diff options
| author | John Crispin <john@openwrt.org> | 2015-02-09 12:13:55 +0000 |
|---|---|---|
| committer | John Crispin <john@openwrt.org> | 2015-02-09 12:13:55 +0000 |
| commit | 654bc380ec549e3cdcc2c286ef7d67fea9509609 (patch) | |
| tree | f25bfc6c0b5a8a9d50c13d0b9df290f25db9112a /target/linux/ramips/patches-3.18 | |
| parent | 826b461427fa2abe634e652a05dfc86fc8a6c609 (diff) | |
| download | upstream-654bc380ec549e3cdcc2c286ef7d67fea9509609.tar.gz upstream-654bc380ec549e3cdcc2c286ef7d67fea9509609.tar.bz2 upstream-654bc380ec549e3cdcc2c286ef7d67fea9509609.zip | |
ralink: add 3.18 support
keep default as 3.14, mt7621 gic need to be ported to 3.18
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 44349
Diffstat (limited to 'target/linux/ramips/patches-3.18')
61 files changed, 22574 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.18/0001-MIPS-ralink-add-verbose-pmu-info.patch b/target/linux/ramips/patches-3.18/0001-MIPS-ralink-add-verbose-pmu-info.patch new file mode 100644 index 0000000000..5bf90c6fee --- /dev/null +++ b/target/linux/ramips/patches-3.18/0001-MIPS-ralink-add-verbose-pmu-info.patch @@ -0,0 +1,59 @@ +From 453850d315070678245f61202ae343153589e5a6 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:16:50 +0100 +Subject: [PATCH 01/57] MIPS: ralink: add verbose pmu info + +Print the PMU and LDO settings on boot. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/mt7620.c | 26 ++++++++++++++++++++++++++ + 1 file changed, 26 insertions(+) + +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -20,6 +20,22 @@ + + #include "common.h" + ++/* analog */ ++#define PMU0_CFG 0x88 ++#define PMU_SW_SET BIT(28) ++#define A_DCDC_EN BIT(24) ++#define A_SSC_PERI BIT(19) ++#define A_SSC_GEN BIT(18) ++#define A_SSC_M 0x3 ++#define A_SSC_S 16 ++#define A_DLY_M 0x7 ++#define A_DLY_S 8 ++#define A_VTUNE_M 0xff ++ ++/* digital */ ++#define PMU1_CFG 0x8C ++#define DIG_SW_SEL BIT(25) ++ + /* does the board have sdram or ddram */ + static int dram_type; + +@@ -339,6 +355,8 @@ void prom_soc_init(struct ralink_soc_inf + u32 n1; + u32 rev; + u32 cfg0; ++ u32 pmu0; ++ u32 pmu1; + + n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); + n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); +@@ -386,4 +404,12 @@ void prom_soc_init(struct ralink_soc_inf + BUG(); + } + soc_info->mem_base = MT7620_DRAM_BASE; ++ ++ pmu0 = __raw_readl(sysc + PMU0_CFG); ++ pmu1 = __raw_readl(sysc + PMU1_CFG); ++ ++ pr_info("Analog PMU set to %s control\n", ++ (pmu0 & PMU_SW_SET) ? ("sw") : ("hw")); ++ pr_info("Digital PMU set to %s control\n", ++ (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw")); + } diff --git a/target/linux/ramips/patches-3.18/0002-MIPS-ralink-add-a-helper-for-reading-the-ECO-version.patch b/target/linux/ramips/patches-3.18/0002-MIPS-ralink-add-a-helper-for-reading-the-ECO-version.patch new file mode 100644 index 0000000000..237ba00a5a --- /dev/null +++ b/target/linux/ramips/patches-3.18/0002-MIPS-ralink-add-a-helper-for-reading-the-ECO-version.patch @@ -0,0 +1,22 @@ +From 1751f28d4779df83cc793c9d7ff75485c0ceaa23 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 16 Mar 2014 04:53:02 +0000 +Subject: [PATCH 02/57] MIPS: ralink: add a helper for reading the ECO version + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/mach-ralink/mt7620.h | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -105,4 +105,9 @@ + #define MT7620_GPIO_MODE_EPHY BIT(15) + #define MT7620_GPIO_MODE_WDT BIT(22) + ++static inline int mt7620_get_eco(void) ++{ ++ return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK; ++} ++ + #endif diff --git a/target/linux/ramips/patches-3.18/0003-MIPS-ralink-add-rt_sysc_m32-helper.patch b/target/linux/ramips/patches-3.18/0003-MIPS-ralink-add-rt_sysc_m32-helper.patch new file mode 100644 index 0000000000..66126e6889 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0003-MIPS-ralink-add-rt_sysc_m32-helper.patch @@ -0,0 +1,26 @@ +From 0f0f041cd6a05eb865e391155d3299bb55ff00e3 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 19 May 2013 00:42:23 +0200 +Subject: [PATCH 03/57] MIPS: ralink: add rt_sysc_m32 helper + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/mach-ralink/ralink_regs.h | 7 +++++++ + 1 file changed, 7 insertions(+) + +--- a/arch/mips/include/asm/mach-ralink/ralink_regs.h ++++ b/arch/mips/include/asm/mach-ralink/ralink_regs.h +@@ -26,6 +26,13 @@ static inline u32 rt_sysc_r32(unsigned r + return __raw_readl(rt_sysc_membase + reg); + } + ++static inline void rt_sysc_m32(u32 clr, u32 set, unsigned reg) ++{ ++ u32 val = rt_sysc_r32(reg) & ~clr; ++ ++ __raw_writel(val | set, rt_sysc_membase + reg); ++} ++ + static inline void rt_memc_w32(u32 val, unsigned reg) + { + __raw_writel(val, rt_memc_membase + reg); diff --git a/target/linux/ramips/patches-3.18/0004-MIPS-ralink-adds-a-bootrom-dumper-module.patch b/target/linux/ramips/patches-3.18/0004-MIPS-ralink-adds-a-bootrom-dumper-module.patch new file mode 100644 index 0000000000..049a876961 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0004-MIPS-ralink-adds-a-bootrom-dumper-module.patch @@ -0,0 +1,74 @@ +From af03898c74172ab16d610f3eeaa65f66401eb7db Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Tue, 21 May 2013 15:50:31 +0200 +Subject: [PATCH 04/57] MIPS: ralink: adds a bootrom dumper module + +This patch adds a trivial driver that allows userland to extract the bootrom of +a SoC via debugfs. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/Makefile | 2 ++ + arch/mips/ralink/bootrom.c | 48 ++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 50 insertions(+) + create mode 100644 arch/mips/ralink/bootrom.c + +--- a/arch/mips/ralink/Makefile ++++ b/arch/mips/ralink/Makefile +@@ -16,3 +16,5 @@ obj-$(CONFIG_SOC_RT3883) += rt3883.o + obj-$(CONFIG_SOC_MT7620) += mt7620.o + + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o ++ ++obj-$(CONFIG_DEBUG_FS) += bootrom.o +--- /dev/null ++++ b/arch/mips/ralink/bootrom.c +@@ -0,0 +1,48 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/debugfs.h> ++#include <linux/seq_file.h> ++ ++#define BOOTROM_OFFSET 0x10118000 ++#define BOOTROM_SIZE 0x8000 ++ ++static void __iomem *membase = (void __iomem*) KSEG1ADDR(BOOTROM_OFFSET); ++ ++static int bootrom_show(struct seq_file *s, void *unused) ++{ ++ seq_write(s, membase, BOOTROM_SIZE); ++ ++ return 0; ++} ++ ++static int bootrom_open(struct inode *inode, struct file *file) ++{ ++ return single_open(file, bootrom_show, NULL); ++} ++ ++static const struct file_operations bootrom_file_ops = { ++ .open = bootrom_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = single_release, ++}; ++ ++static int bootrom_setup(void) ++{ ++ if (!debugfs_create_file("bootrom", 0444, ++ NULL, NULL, &bootrom_file_ops)) { ++ pr_err("Failed to create bootrom debugfs file\n"); ++ ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++postcore_initcall(bootrom_setup); diff --git a/target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch b/target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch new file mode 100644 index 0000000000..fa9cd21b03 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0005-MIPS-ralink-add-illegal-access-driver.patch @@ -0,0 +1,115 @@ +From 60999174904c731e55992a4087999bbd4e5f2051 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 16 May 2013 23:28:23 +0200 +Subject: [PATCH 05/57] MIPS: ralink: add illegal access driver + +these SoCs have a special irq that fires upon an illegal memmory access. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/Makefile | 2 + + arch/mips/ralink/ill_acc.c | 87 ++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 89 insertions(+) + create mode 100644 arch/mips/ralink/ill_acc.c + +--- a/arch/mips/ralink/Makefile ++++ b/arch/mips/ralink/Makefile +@@ -10,6 +10,8 @@ obj-y := prom.o of.o reset.o clk.o irq.o + + obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o + ++obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o ++ + obj-$(CONFIG_SOC_RT288X) += rt288x.o + obj-$(CONFIG_SOC_RT305X) += rt305x.o + obj-$(CONFIG_SOC_RT3883) += rt3883.o +--- /dev/null ++++ b/arch/mips/ralink/ill_acc.c +@@ -0,0 +1,87 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/interrupt.h> ++#include <linux/of_platform.h> ++#include <linux/of_irq.h> ++ ++#include <asm/mach-ralink/ralink_regs.h> ++ ++#define REG_ILL_ACC_ADDR 0x10 ++#define REG_ILL_ACC_TYPE 0x14 ++ ++#define ILL_INT_STATUS BIT(31) ++#define ILL_ACC_WRITE BIT(30) ++#define ILL_ACC_LEN_M 0xff ++#define ILL_ACC_OFF_M 0xf ++#define ILL_ACC_OFF_S 16 ++#define ILL_ACC_ID_M 0x7 ++#define ILL_ACC_ID_S 8 ++ ++#define DRV_NAME "ill_acc" ++ ++static const char *ill_acc_ids[] = { ++ "cpu", "dma", "ppe", "pdma rx","pdma tx", "pci/e", "wmac", "usb", ++}; ++ ++static irqreturn_t ill_acc_irq_handler(int irq, void *_priv) ++{ ++ struct device *dev = (struct device *) _priv; ++ u32 addr = rt_memc_r32(REG_ILL_ACC_ADDR); ++ u32 type = rt_memc_r32(REG_ILL_ACC_TYPE); ++ ++ dev_err(dev, "illegal %s access from %s - addr:0x%08x offset:%d len:%d\n", ++ (type & ILL_ACC_WRITE) ? ("write") : ("read"), ++ ill_acc_ids[(type >> ILL_ACC_ID_S) & ILL_ACC_ID_M], ++ addr, (type >> ILL_ACC_OFF_S) & ILL_ACC_OFF_M, ++ type & ILL_ACC_LEN_M); ++ ++ rt_memc_w32(REG_ILL_ACC_TYPE, REG_ILL_ACC_TYPE); ++ ++ return IRQ_HANDLED; ++} ++ ++static int __init ill_acc_of_setup(void) ++{ ++ struct platform_device *pdev; ++ struct device_node *np; ++ int irq; ++ ++ /* somehow this driver breaks on RT5350 */ ++ if (of_machine_is_compatible("ralink,rt5350-soc")) ++ return -EINVAL; ++ ++ np = of_find_compatible_node(NULL, NULL, "ralink,rt3050-memc"); ++ if (!np) ++ return -EINVAL; ++ ++ pdev = of_find_device_by_node(np); ++ if (!pdev) { ++ pr_err("%s: failed to lookup pdev\n", np->name); ++ return -EINVAL; ++ } ++ ++ irq = irq_of_parse_and_map(np, 0); ++ if (!irq) { ++ dev_err(&pdev->dev, "failed to get irq\n"); ++ return -EINVAL; ++ } ++ ++ if (request_irq(irq, ill_acc_irq_handler, 0, "ill_acc", &pdev->dev)) { ++ dev_err(&pdev->dev, "failed to request irq\n"); ++ return -EINVAL; ++ } ++ ++ rt_memc_w32(ILL_INT_STATUS, REG_ILL_ACC_TYPE); ++ ++ dev_info(&pdev->dev, "irq registered\n"); ++ ++ return 0; ++} ++ ++arch_initcall(ill_acc_of_setup); diff --git a/target/linux/ramips/patches-3.18/0006-MIPS-ralink-add-missing-clk_set_rate-to-clk.c.patch b/target/linux/ramips/patches-3.18/0006-MIPS-ralink-add-missing-clk_set_rate-to-clk.c.patch new file mode 100644 index 0000000000..8085e4be68 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0006-MIPS-ralink-add-missing-clk_set_rate-to-clk.c.patch @@ -0,0 +1,27 @@ +From 979ad9f0324ad8fa5eb4a00b57d9feb061aa3200 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 16 Mar 2014 04:38:07 +0000 +Subject: [PATCH 06/57] MIPS: ralink: add missing clk_set_rate() to clk.c + +This function was missing causing allmod to fail. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/clk.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/arch/mips/ralink/clk.c ++++ b/arch/mips/ralink/clk.c +@@ -56,6 +56,12 @@ unsigned long clk_get_rate(struct clk *c + } + EXPORT_SYMBOL_GPL(clk_get_rate); + ++int clk_set_rate(struct clk *clk, unsigned long rate) ++{ ++ return -1; ++} ++EXPORT_SYMBOL_GPL(clk_set_rate); ++ + void __init plat_time_init(void) + { + struct clk *clk; diff --git a/target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch b/target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch new file mode 100644 index 0000000000..1d507101f3 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0007-MIPS-ralink-add-support-for-MT7620n.patch @@ -0,0 +1,66 @@ +From efc0f99cebcab21dbabcc634b9dbb963bbbbcab8 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:23:36 +0100 +Subject: [PATCH 07/57] MIPS: ralink: add support for MT7620n + +This is the small version of MT7620a. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/mach-ralink/mt7620.h | 7 ++----- + arch/mips/ralink/mt7620.c | 19 ++++++++++++------- + 2 files changed, 14 insertions(+), 12 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -25,11 +25,8 @@ + #define SYSC_REG_CPLL_CONFIG0 0x54 + #define SYSC_REG_CPLL_CONFIG1 0x58 + +-#define MT7620N_CHIP_NAME0 0x33365452 +-#define MT7620N_CHIP_NAME1 0x20203235 +- +-#define MT7620A_CHIP_NAME0 0x3637544d +-#define MT7620A_CHIP_NAME1 0x20203032 ++#define MT7620_CHIP_NAME0 0x3637544d ++#define MT7620_CHIP_NAME1 0x20203032 + + #define SYSCFG0_XTAL_FREQ_SEL BIT(6) + +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -357,22 +357,27 @@ void prom_soc_init(struct ralink_soc_inf + u32 cfg0; + u32 pmu0; + u32 pmu1; ++ u32 bga; + + n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); + n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); ++ rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); ++ bga = (rev >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK; + +- if (n0 == MT7620N_CHIP_NAME0 && n1 == MT7620N_CHIP_NAME1) { +- name = "MT7620N"; +- soc_info->compatible = "ralink,mt7620n-soc"; +- } else if (n0 == MT7620A_CHIP_NAME0 && n1 == MT7620A_CHIP_NAME1) { ++ if (n0 != MT7620_CHIP_NAME0 || n1 != MT7620_CHIP_NAME1) ++ panic("mt7620: unknown SoC, n0:%08x n1:%08x\n", n0, n1); ++ ++ if (bga) { + name = "MT7620A"; + soc_info->compatible = "ralink,mt7620a-soc"; + } else { +- panic("mt7620: unknown SoC, n0:%08x n1:%08x", n0, n1); ++ name = "MT7620N"; ++ soc_info->compatible = "ralink,mt7620n-soc"; ++#ifdef CONFIG_PCI ++ panic("mt7620n is only supported for non pci kernels"); ++#endif + } + +- rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); +- + snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, + "Ralink %s ver:%u eco:%u", + name, diff --git a/target/linux/ramips/patches-3.18/0008-MIPS-ralink-allow-manual-memory-override.patch b/target/linux/ramips/patches-3.18/0008-MIPS-ralink-allow-manual-memory-override.patch new file mode 100644 index 0000000000..1870d13efc --- /dev/null +++ b/target/linux/ramips/patches-3.18/0008-MIPS-ralink-allow-manual-memory-override.patch @@ -0,0 +1,45 @@ +From 071e97587a291d3a5bbd614a425f46b7f90310aa Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 16 Mar 2014 04:40:48 +0000 +Subject: [PATCH 08/57] MIPS: ralink: allow manual memory override + +RT5350 relies on the bootloader setting up the memc correctly. +On sme boards the setup is incorrect leading to 32 MB being available but only 16 being recognized. Allow these boards to manually override the memory range +. +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/of.c | 16 +++++++++++++++- + 1 file changed, 15 insertions(+), 1 deletion(-) + +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -53,6 +53,17 @@ void __init device_tree_init(void) + unflatten_and_copy_device_tree(); + } + ++static int memory_dtb; ++ ++static int __init early_init_dt_find_memory(unsigned long node, const char *uname, ++ int depth, void *data) ++{ ++ if (depth == 1 && !strcmp(uname, "memory@0")) ++ memory_dtb = 1; ++ ++ return 0; ++} ++ + void __init plat_mem_setup(void) + { + set_io_port_base(KSEG1); +@@ -63,7 +74,10 @@ void __init plat_mem_setup(void) + */ + __dt_setup_arch(__dtb_start); + +- if (soc_info.mem_size) ++ of_scan_flat_dt(early_init_dt_find_memory, NULL); ++ if (memory_dtb) ++ of_scan_flat_dt(early_init_dt_scan_memory, NULL); ++ else if (soc_info.mem_size) + add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M, + BOOT_MEM_RAM); + else diff --git a/target/linux/ramips/patches-3.18/0009-MIPS-ralink-define-the-wmac-clock-on-mt7620.patch b/target/linux/ramips/patches-3.18/0009-MIPS-ralink-define-the-wmac-clock-on-mt7620.patch new file mode 100644 index 0000000000..225afd503c --- /dev/null +++ b/target/linux/ramips/patches-3.18/0009-MIPS-ralink-define-the-wmac-clock-on-mt7620.patch @@ -0,0 +1,20 @@ +From 1cb19fe02c830e278b91498edea09fbda37c4a21 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 10:13:43 +0100 +Subject: [PATCH 09/57] MIPS: ralink: define the wmac clock on mt7620 + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/mt7620.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -336,6 +336,7 @@ void __init ralink_clk_init(void) + ralink_clk_add("10000500.uart", periph_rate); + ralink_clk_add("10000b00.spi", sys_rate); + ralink_clk_add("10000c00.uartlite", periph_rate); ++ ralink_clk_add("10180000.wmac", xtal_rate); + } + + void __init ralink_of_remap(void) diff --git a/target/linux/ramips/patches-3.18/0010-MIPS-ralink-define-the-wmac-clock-on-rt3883.patch b/target/linux/ramips/patches-3.18/0010-MIPS-ralink-define-the-wmac-clock-on-rt3883.patch new file mode 100644 index 0000000000..2de066be4b --- /dev/null +++ b/target/linux/ramips/patches-3.18/0010-MIPS-ralink-define-the-wmac-clock-on-rt3883.patch @@ -0,0 +1,20 @@ +From 1f17cf131fc2ae7fa2651dbe6a622dd125939718 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 10:14:30 +0100 +Subject: [PATCH 10/57] MIPS: ralink: define the wmac clock on rt3883 + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/rt3883.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/arch/mips/ralink/rt3883.c ++++ b/arch/mips/ralink/rt3883.c +@@ -204,6 +204,7 @@ void __init ralink_clk_init(void) + ralink_clk_add("10000b00.spi", sys_rate); + ralink_clk_add("10000c00.uartlite", 40000000); + ralink_clk_add("10100000.ethernet", sys_rate); ++ ralink_clk_add("10180000.wmac", 40000000); + } + + void __init ralink_of_remap(void) diff --git a/target/linux/ramips/patches-3.18/0011-MIPS-ralink-add-rt2880-wmac-clock.patch b/target/linux/ramips/patches-3.18/0011-MIPS-ralink-add-rt2880-wmac-clock.patch new file mode 100644 index 0000000000..76d2f6a354 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0011-MIPS-ralink-add-rt2880-wmac-clock.patch @@ -0,0 +1,29 @@ +From bf4f5250117cd65a78903b8ce302499806416ed1 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 4 Aug 2014 09:52:22 +0200 +Subject: [PATCH 11/57] MIPS: ralink: add rt2880 wmac clock + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/rt288x.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +--- a/arch/mips/ralink/rt288x.c ++++ b/arch/mips/ralink/rt288x.c +@@ -76,7 +76,7 @@ struct ralink_pinmux rt_gpio_pinmux = { + + void __init ralink_clk_init(void) + { +- unsigned long cpu_rate; ++ unsigned long cpu_rate, wmac_rate = 40000000; + u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG); + t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK); + +@@ -101,6 +101,7 @@ void __init ralink_clk_init(void) + ralink_clk_add("300500.uart", cpu_rate / 2); + ralink_clk_add("300c00.uartlite", cpu_rate / 2); + ralink_clk_add("400000.ethernet", cpu_rate / 2); ++ ralink_clk_add("480000.wmac", wmac_rate); + } + + void __init ralink_of_remap(void) diff --git a/target/linux/ramips/patches-3.18/0012-MIPS-ralink-add-MT7621-support.patch b/target/linux/ramips/patches-3.18/0012-MIPS-ralink-add-MT7621-support.patch new file mode 100644 index 0000000000..699c71c866 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0012-MIPS-ralink-add-MT7621-support.patch @@ -0,0 +1,709 @@ +From c8c69923236f2f3f184ddcc7eb41c113b5cc3223 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 10:57:40 +0100 +Subject: [PATCH 12/57] MIPS: ralink: add MT7621 support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/gic.h | 4 + + arch/mips/include/asm/mach-ralink/irq.h | 9 + + arch/mips/include/asm/mach-ralink/mt7621.h | 39 ++++ + arch/mips/kernel/vmlinux.lds.S | 1 + + arch/mips/ralink/Kconfig | 18 ++ + arch/mips/ralink/Makefile | 7 +- + arch/mips/ralink/Platform | 5 + + arch/mips/ralink/irq-gic.c | 271 ++++++++++++++++++++++++++++ + arch/mips/ralink/malta-amon.c | 81 +++++++++ + arch/mips/ralink/mt7621.c | 183 +++++++++++++++++++ + 10 files changed, 617 insertions(+), 1 deletion(-) + create mode 100644 arch/mips/include/asm/mach-ralink/irq.h + create mode 100644 arch/mips/include/asm/mach-ralink/mt7621.h + create mode 100644 arch/mips/ralink/irq-gic.c + create mode 100644 arch/mips/ralink/malta-amon.c + create mode 100644 arch/mips/ralink/mt7621.c + +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/irq.h +@@ -0,0 +1,9 @@ ++#ifndef __ASM_MACH_RALINK_IRQ_H ++#define __ASM_MACH_RALINK_IRQ_H ++ ++#define GIC_NUM_INTRS 64 ++#define NR_IRQS 256 ++ ++#include_next <irq.h> ++ ++#endif +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/mt7621.h +@@ -0,0 +1,39 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Parts of this file are based on Ralink's 2.6.21 BSP ++ * ++ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#ifndef _MT7621_REGS_H_ ++#define _MT7621_REGS_H_ ++ ++#define MT7621_SYSC_BASE 0x1E000000 ++ ++#define SYSC_REG_CHIP_NAME0 0x00 ++#define SYSC_REG_CHIP_NAME1 0x04 ++#define SYSC_REG_CHIP_REV 0x0c ++#define SYSC_REG_SYSTEM_CONFIG0 0x10 ++#define SYSC_REG_SYSTEM_CONFIG1 0x14 ++ ++#define CHIP_REV_PKG_MASK 0x1 ++#define CHIP_REV_PKG_SHIFT 16 ++#define CHIP_REV_VER_MASK 0xf ++#define CHIP_REV_VER_SHIFT 8 ++#define CHIP_REV_ECO_MASK 0xf ++ ++#define MT7621_DRAM_BASE 0x0 ++#define MT7621_DDR2_SIZE_MIN 32 ++#define MT7621_DDR2_SIZE_MAX 256 ++ ++#define MT7621_CHIP_NAME0 0x3637544D ++#define MT7621_CHIP_NAME1 0x20203132 ++ ++#define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8) ++ ++#endif +--- a/arch/mips/kernel/vmlinux.lds.S ++++ b/arch/mips/kernel/vmlinux.lds.S +@@ -51,6 +51,7 @@ SECTIONS + /* read-only */ + _text = .; /* Text and read-only data */ + .text : { ++ /*. = . + 0x8000; */ + TEXT_TEXT + SCHED_TEXT + LOCK_TEXT +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -7,6 +7,11 @@ config CLKEVT_RT3352 + select CLKSRC_OF + select CLKSRC_MMIO + ++config IRQ_INTC ++ bool ++ default y ++ depends on !SOC_MT7621 ++ + choice + prompt "Ralink SoC selection" + default SOC_RT305X +@@ -28,6 +33,15 @@ choice + config SOC_MT7620 + bool "MT7620" + ++ config SOC_MT7621 ++ bool "MT7621" ++ select MIPS_CPU_SCACHE ++ select SYS_SUPPORTS_MULTITHREADING ++ select SYS_SUPPORTS_SMP ++ select SYS_SUPPORTS_MIPS_CMP ++ select IRQ_GIC ++ select HW_HAS_PCI ++ + endchoice + + choice +@@ -59,6 +73,10 @@ choice + depends on SOC_MT7620 + select BUILTIN_DTB + ++ config DTB_MT7621_EVAL ++ bool "MT7621 eval kit" ++ depends on SOC_MT7621 ++ + endchoice + + endif +--- a/arch/mips/ralink/Makefile ++++ b/arch/mips/ralink/Makefile +@@ -6,16 +6,21 @@ + # Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> + # Copyright (C) 2013 John Crispin <blogic@openwrt.org> + +-obj-y := prom.o of.o reset.o clk.o irq.o timer.o ++obj-y := prom.o of.o reset.o clk.o timer.o + + obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o + + obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o + ++obj-$(CONFIG_IRQ_INTC) += irq.o ++obj-$(CONFIG_IRQ_GIC) += irq-gic.o ++obj-$(CONFIG_MIPS_MT_SMP) += malta-amon.o ++ + obj-$(CONFIG_SOC_RT288X) += rt288x.o + obj-$(CONFIG_SOC_RT305X) += rt305x.o + obj-$(CONFIG_SOC_RT3883) += rt3883.o + obj-$(CONFIG_SOC_MT7620) += mt7620.o ++obj-$(CONFIG_SOC_MT7621) += mt7621.o + + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + +--- a/arch/mips/ralink/Platform ++++ b/arch/mips/ralink/Platform +@@ -27,3 +27,8 @@ cflags-$(CONFIG_SOC_RT3883) += -I$(srctr + # + load-$(CONFIG_SOC_MT7620) += 0xffffffff80000000 + cflags-$(CONFIG_SOC_MT7620) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7620 ++ ++# Ralink MT7621 ++# ++load-$(CONFIG_SOC_MT7621) += 0xffffffff80001000 ++cflags-$(CONFIG_SOC_MT7621) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7621 +--- /dev/null ++++ b/arch/mips/ralink/irq-gic.c +@@ -0,0 +1,271 @@ ++#include <linux/init.h> ++#include <linux/sched.h> ++#include <linux/slab.h> ++#include <linux/interrupt.h> ++#include <linux/kernel_stat.h> ++#include <linux/hardirq.h> ++#include <linux/preempt.h> ++#include <linux/irqdomain.h> ++#include <linux/of_platform.h> ++#include <linux/of_address.h> ++#include <linux/of_irq.h> ++ ++#include <asm/irq_cpu.h> ++#include <asm/mipsregs.h> ++ ++#include <asm/irq.h> ++#include <asm/setup.h> ++ ++#include <asm/gic.h> ++#include <asm/gcmpregs.h> ++ ++#include <asm/mach-ralink/mt7621.h> ++ ++unsigned long _gcmp_base; ++static int gic_resched_int_base = 56; ++static int gic_call_int_base = 60; ++static struct irq_chip *irq_gic; ++static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS]; ++ ++#if defined(CONFIG_MIPS_MT_SMP) ++static int gic_resched_int_base; ++static int gic_call_int_base; ++ ++#define GIC_RESCHED_INT(cpu) (gic_resched_int_base+(cpu)) ++#define GIC_CALL_INT(cpu) (gic_call_int_base+(cpu)) ++ ++static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) ++{ ++ scheduler_ipi(); ++ ++ return IRQ_HANDLED; ++} ++ ++static irqreturn_t ++ipi_call_interrupt(int irq, void *dev_id) ++{ ++ smp_call_function_interrupt(); ++ ++ return IRQ_HANDLED; ++} ++ ++static struct irqaction irq_resched = { ++ .handler = ipi_resched_interrupt, ++ .flags = IRQF_DISABLED|IRQF_PERCPU, ++ .name = "ipi resched" ++}; ++ ++static struct irqaction irq_call = { ++ .handler = ipi_call_interrupt, ++ .flags = IRQF_DISABLED|IRQF_PERCPU, ++ .name = "ipi call" ++}; ++ ++#endif ++ ++static void __init ++gic_fill_map(void) ++{ ++ int i; ++ ++ for (i = 0; i < ARRAY_SIZE(gic_intr_map); i++) { ++ gic_intr_map[i].cpunum = 0; ++ gic_intr_map[i].pin = GIC_CPU_INT0; ++ gic_intr_map[i].polarity = GIC_POL_POS; ++ gic_intr_map[i].trigtype = GIC_TRIG_LEVEL; ++ gic_intr_map[i].flags = GIC_FLAG_IPI; ++ } ++ ++#if defined(CONFIG_MIPS_MT_SMP) ++ { ++ int cpu; ++ ++ gic_call_int_base = ARRAY_SIZE(gic_intr_map) - nr_cpu_ids; ++ gic_resched_int_base = gic_call_int_base - nr_cpu_ids; ++ ++ i = gic_resched_int_base; ++ ++ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { ++ gic_intr_map[i + cpu].cpunum = cpu; ++ gic_intr_map[i + cpu].pin = GIC_CPU_INT1; ++ gic_intr_map[i + cpu].trigtype = GIC_TRIG_EDGE; ++ ++ gic_intr_map[i + cpu + nr_cpu_ids].cpunum = cpu; ++ gic_intr_map[i + cpu + nr_cpu_ids].pin = GIC_CPU_INT2; ++ gic_intr_map[i + cpu + nr_cpu_ids].trigtype = GIC_TRIG_EDGE; ++ } ++ } ++#endif ++} ++ ++void ++gic_irq_ack(struct irq_data *d) ++{ ++ int irq = (d->irq - gic_irq_base); ++ ++ GIC_CLR_INTR_MASK(irq); ++ ++ if (gic_irq_flags[irq] & GIC_TRIG_EDGE) ++ GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq); ++} ++ ++void ++gic_finish_irq(struct irq_data *d) ++{ ++ GIC_SET_INTR_MASK(d->irq - gic_irq_base); ++} ++ ++void __init ++gic_platform_init(int irqs, struct irq_chip *irq_controller) ++{ ++ irq_gic = irq_controller; ++} ++ ++static void ++gic_irqdispatch(void) ++{ ++ unsigned int irq = gic_get_int(); ++ ++ if (likely(irq < GIC_NUM_INTRS)) ++ do_IRQ(MIPS_GIC_IRQ_BASE + irq); ++ else { ++ pr_debug("Spurious GIC Interrupt!\n"); ++ spurious_interrupt(); ++ } ++ ++} ++ ++static void ++vi_timer_irqdispatch(void) ++{ ++ do_IRQ(cp0_compare_irq); ++} ++ ++#if defined(CONFIG_MIPS_MT_SMP) ++unsigned int ++plat_ipi_call_int_xlate(unsigned int cpu) ++{ ++ return GIC_CALL_INT(cpu); ++} ++ ++unsigned int ++plat_ipi_resched_int_xlate(unsigned int cpu) ++{ ++ return GIC_RESCHED_INT(cpu); ++} ++#endif ++ ++asmlinkage void ++plat_irq_dispatch(void) ++{ ++ unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; ++ ++ if (unlikely(!pending)) { ++ pr_err("Spurious CP0 Interrupt!\n"); ++ spurious_interrupt(); ++ } else { ++ if (pending & CAUSEF_IP7) ++ do_IRQ(cp0_compare_irq); ++ ++ if (pending & (CAUSEF_IP4 | CAUSEF_IP3 | CAUSEF_IP2)) ++ gic_irqdispatch(); ++ } ++} ++ ++unsigned int __cpuinit ++get_c0_compare_int(void) ++{ ++ return CP0_LEGACY_COMPARE_IRQ; ++} ++ ++static int ++gic_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) ++{ ++ irq_set_chip_and_handler(irq, irq_gic, ++#if defined(CONFIG_MIPS_MT_SMP) ++ (hw >= gic_resched_int_base) ? ++ handle_percpu_irq : ++#endif ++ handle_level_irq); ++ ++ return 0; ++} ++ ++static const struct irq_domain_ops irq_domain_ops = { ++ .xlate = irq_domain_xlate_onecell, ++ .map = gic_map, ++}; ++ ++static int __init ++of_gic_init(struct device_node *node, ++ struct device_node *parent) ++{ ++ struct irq_domain *domain; ++ struct resource gcmp = { 0 }, gic = { 0 }; ++ unsigned int gic_rev; ++ int i; ++ ++ if (of_address_to_resource(node, 0, &gic)) ++ panic("Failed to get gic memory range"); ++ if (request_mem_region(gic.start, resource_size(&gic), ++ gic.name) < 0) ++ panic("Failed to request gic memory"); ++ if (of_address_to_resource(node, 2, &gcmp)) ++ panic("Failed to get gic memory range"); ++ if (request_mem_region(gcmp.start, resource_size(&gcmp), ++ gcmp.name) < 0) ++ panic("Failed to request gcmp memory"); ++ ++ _gcmp_base = (unsigned long) ioremap_nocache(gcmp.start, resource_size(&gcmp)); ++ if (!_gcmp_base) ++ panic("Failed to remap gcmp memory\n"); ++ ++ if ((GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) != gcmp.start) ++ panic("Failed to find gcmp core\n"); ++ ++ /* tell the gcmp where to find the gic */ ++ GCMPGCB(GICBA) = gic.start | GCMP_GCB_GICBA_EN_MSK; ++ gic_present = 1; ++ if (cpu_has_vint) { ++ set_vi_handler(2, gic_irqdispatch); ++ set_vi_handler(3, gic_irqdispatch); ++ set_vi_handler(4, gic_irqdispatch); ++ set_vi_handler(7, vi_timer_irqdispatch); ++ } ++ ++ gic_fill_map(); ++ ++ gic_init(gic.start, resource_size(&gic), gic_intr_map, ++ ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); ++ ++ GICREAD(GIC_REG(SHARED, GIC_SH_REVISIONID), gic_rev); ++ pr_info("gic: revision %d.%d\n", (gic_rev >> 8) & 0xff, gic_rev & 0xff); ++ ++ domain = irq_domain_add_legacy(node, GIC_NUM_INTRS, MIPS_GIC_IRQ_BASE, ++ 0, &irq_domain_ops, NULL); ++ if (!domain) ++ panic("Failed to add irqdomain"); ++ ++#if defined(CONFIG_MIPS_MT_SMP) ++ for (i = 0; i < nr_cpu_ids; i++) { ++ setup_irq(MIPS_GIC_IRQ_BASE + GIC_RESCHED_INT(i), &irq_resched); ++ setup_irq(MIPS_GIC_IRQ_BASE + GIC_CALL_INT(i), &irq_call); ++ } ++#endif ++ ++ change_c0_status(ST0_IM, STATUSF_IP7 | STATUSF_IP4 | STATUSF_IP3 | ++ STATUSF_IP2); ++ return 0; ++} ++ ++static struct of_device_id __initdata of_irq_ids[] = { ++ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init }, ++ { .compatible = "ralink,mt7621-gic", .data = of_gic_init }, ++ {}, ++}; ++ ++void __init ++arch_init_irq(void) ++{ ++ of_irq_init(of_irq_ids); ++} +--- /dev/null ++++ b/arch/mips/ralink/malta-amon.c +@@ -0,0 +1,81 @@ ++/* ++ * Copyright (C) 2007 MIPS Technologies, Inc. ++ * All rights reserved. ++ ++ * This program is free software; you can distribute it and/or modify it ++ * under the terms of the GNU General Public License (Version 2) as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++ * ++ * Arbitrary Monitor interface ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/smp.h> ++ ++#include <asm/addrspace.h> ++#include <asm/mips-boards/launch.h> ++#include <asm/mipsmtregs.h> ++ ++int amon_cpu_avail(int cpu) ++{ ++ struct cpulaunch *launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); ++ ++ if (cpu < 0 || cpu >= NCPULAUNCH) { ++ pr_debug("avail: cpu%d is out of range\n", cpu); ++ return 0; ++ } ++ ++ launch += cpu; ++ if (!(launch->flags & LAUNCH_FREADY)) { ++ pr_debug("avail: cpu%d is not ready\n", cpu); ++ return 0; ++ } ++ if (launch->flags & (LAUNCH_FGO|LAUNCH_FGONE)) { ++ pr_debug("avail: too late.. cpu%d is already gone\n", cpu); ++ return 0; ++ } ++ ++ return 1; ++} ++ ++void amon_cpu_start(int cpu, ++ unsigned long pc, unsigned long sp, ++ unsigned long gp, unsigned long a0) ++{ ++ volatile struct cpulaunch *launch = ++ (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); ++ ++ if (!amon_cpu_avail(cpu)) ++ return; ++ if (cpu == smp_processor_id()) { ++ pr_debug("launch: I am cpu%d!\n", cpu); ++ return; ++ } ++ launch += cpu; ++ ++ pr_debug("launch: starting cpu%d\n", cpu); ++ ++ launch->pc = pc; ++ launch->gp = gp; ++ launch->sp = sp; ++ launch->a0 = a0; ++ ++ smp_wmb(); /* Target must see parameters before go */ ++ launch->flags |= LAUNCH_FGO; ++ smp_wmb(); /* Target must see go before we poll */ ++ ++ while ((launch->flags & LAUNCH_FGONE) == 0) ++ ; ++ smp_rmb(); /* Target will be updating flags soon */ ++ pr_debug("launch: cpu%d gone!\n", cpu); ++} +--- /dev/null ++++ b/arch/mips/ralink/mt7621.c +@@ -0,0 +1,183 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Parts of this file are based on Ralink's 2.6.21 BSP ++ * ++ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <asm/gcmpregs.h> ++ ++#include <asm/mipsregs.h> ++#include <asm/smp-ops.h> ++#include <asm/mach-ralink/ralink_regs.h> ++#include <asm/mach-ralink/mt7621.h> ++ ++#include <pinmux.h> ++ ++#include "common.h" ++ ++#define SYSC_REG_SYSCFG 0x10 ++#define SYSC_REG_CPLL_CLKCFG0 0x2c ++#define SYSC_REG_CUR_CLK_STS 0x44 ++#define CPU_CLK_SEL (BIT(30) | BIT(31)) ++ ++#define MT7621_GPIO_MODE_UART1 1 ++#define MT7621_GPIO_MODE_I2C 2 ++#define MT7621_GPIO_MODE_UART2 3 ++#define MT7621_GPIO_MODE_UART3 5 ++#define MT7621_GPIO_MODE_JTAG 7 ++#define MT7621_GPIO_MODE_WDT_MASK 0x3 ++#define MT7621_GPIO_MODE_WDT_SHIFT 8 ++#define MT7621_GPIO_MODE_WDT_GPIO 1 ++#define MT7621_GPIO_MODE_PCIE_RST 0 ++#define MT7621_GPIO_MODE_PCIE_REF 2 ++#define MT7621_GPIO_MODE_PCIE_MASK 0x3 ++#define MT7621_GPIO_MODE_PCIE_SHIFT 10 ++#define MT7621_GPIO_MODE_PCIE_GPIO 1 ++#define MT7621_GPIO_MODE_MDIO 12 ++#define MT7621_GPIO_MODE_RGMII1 14 ++#define MT7621_GPIO_MODE_RGMII2 15 ++#define MT7621_GPIO_MODE_SPI_MASK 0x3 ++#define MT7621_GPIO_MODE_SPI_SHIFT 16 ++#define MT7621_GPIO_MODE_SPI_GPIO 1 ++#define MT7621_GPIO_MODE_SDHCI_MASK 0x3 ++#define MT7621_GPIO_MODE_SDHCI_SHIFT 18 ++#define MT7621_GPIO_MODE_SDHCI_GPIO 1 ++ ++static struct rt2880_pmx_func uart1_grp[] = { FUNC("uart", 0, 1, 2) }; ++static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 3, 2) }; ++static struct rt2880_pmx_func uart3_grp[] = { FUNC("uart", 0, 5, 4) }; ++static struct rt2880_pmx_func uart2_grp[] = { FUNC("uart", 0, 9, 4) }; ++static struct rt2880_pmx_func jtag_grp[] = { FUNC("jtag", 0, 13, 5) }; ++static struct rt2880_pmx_func wdt_grp[] = { ++ FUNC("wdt rst", 0, 18, 1), ++ FUNC("wdt refclk", 2, 18, 1), ++}; ++static struct rt2880_pmx_func pcie_rst_grp[] = { ++ FUNC("pcie rst", MT7621_GPIO_MODE_PCIE_RST, 19, 1), ++ FUNC("pcie refclk", MT7621_GPIO_MODE_PCIE_REF, 19, 1) ++}; ++static struct rt2880_pmx_func mdio_grp[] = { FUNC("mdio", 0, 20, 2) }; ++static struct rt2880_pmx_func rgmii2_grp[] = { FUNC("rgmii", 0, 22, 12) }; ++static struct rt2880_pmx_func spi_grp[] = { ++ FUNC("spi", 0, 34, 7), ++ FUNC("nand", 2, 34, 8), ++}; ++static struct rt2880_pmx_func sdhci_grp[] = { ++ FUNC("sdhci", 0, 41, 8), ++ FUNC("nand", 2, 41, 8), ++}; ++static struct rt2880_pmx_func rgmii1_grp[] = { FUNC("rgmii", 0, 49, 12) }; ++ ++static struct rt2880_pmx_group mt7621_pinmux_data[] = { ++ GRP("uart1", uart1_grp, 1, MT7621_GPIO_MODE_UART1), ++ GRP("i2c", i2c_grp, 1, MT7621_GPIO_MODE_I2C), ++ GRP("uart3", uart2_grp, 1, MT7621_GPIO_MODE_UART2), ++ GRP("uart2", uart3_grp, 1, MT7621_GPIO_MODE_UART3), ++ GRP("jtag", jtag_grp, 1, MT7621_GPIO_MODE_JTAG), ++ GRP_G("wdt", wdt_grp, MT7621_GPIO_MODE_WDT_MASK, ++ MT7621_GPIO_MODE_WDT_GPIO, MT7621_GPIO_MODE_WDT_SHIFT), ++ GRP_G("pcie", pcie_rst_grp, MT7621_GPIO_MODE_PCIE_MASK, ++ MT7621_GPIO_MODE_PCIE_GPIO, MT7621_GPIO_MODE_PCIE_SHIFT), ++ GRP("mdio", mdio_grp, 1, MT7621_GPIO_MODE_MDIO), ++ GRP("rgmii2", rgmii2_grp, 1, MT7621_GPIO_MODE_RGMII2), ++ GRP_G("spi", spi_grp, MT7621_GPIO_MODE_SPI_MASK, ++ MT7621_GPIO_MODE_SPI_GPIO, MT7621_GPIO_MODE_SPI_SHIFT), ++ GRP_G("sdhci", sdhci_grp, MT7621_GPIO_MODE_SDHCI_MASK, ++ MT7621_GPIO_MODE_SDHCI_GPIO, MT7621_GPIO_MODE_SDHCI_SHIFT), ++ GRP("rgmii1", rgmii1_grp, 1, MT7621_GPIO_MODE_RGMII1), ++ { 0 } ++}; ++ ++void __init ralink_clk_init(void) ++{ ++ int cpu_fdiv = 0; ++ int cpu_ffrac = 0; ++ int fbdiv = 0; ++ u32 clk_sts, syscfg; ++ u8 clk_sel = 0, xtal_mode; ++ u32 cpu_clk; ++ ++ if ((rt_sysc_r32(SYSC_REG_CPLL_CLKCFG0) & CPU_CLK_SEL) != 0) ++ clk_sel = 1; ++ ++ switch (clk_sel) { ++ case 0: ++ clk_sts = rt_sysc_r32(SYSC_REG_CUR_CLK_STS); ++ cpu_fdiv = ((clk_sts >> 8) & 0x1F); ++ cpu_ffrac = (clk_sts & 0x1F); ++ cpu_clk = (500 * cpu_ffrac / cpu_fdiv) * 1000 * 1000; ++ break; ++ ++ case 1: ++ fbdiv = ((rt_sysc_r32(0x648) >> 4) & 0x7F) + 1; ++ syscfg = rt_sysc_r32(SYSC_REG_SYSCFG); ++ xtal_mode = (syscfg >> 6) & 0x7; ++ if(xtal_mode >= 6) { //25Mhz Xtal ++ cpu_clk = 25 * fbdiv * 1000 * 1000; ++ } else if(xtal_mode >=3) { //40Mhz Xtal ++ cpu_clk = 40 * fbdiv * 1000 * 1000; ++ } else { // 20Mhz Xtal ++ cpu_clk = 20 * fbdiv * 1000 * 1000; ++ } ++ break; ++ } ++ cpu_clk = 880000000; ++ ralink_clk_add("cpu", cpu_clk); ++ ralink_clk_add("1e000b00.spi", 50000000); ++ ralink_clk_add("1e000c00.uartlite", 50000000); ++ ralink_clk_add("1e000d00.uart", 50000000); ++} ++ ++void __init ralink_of_remap(void) ++{ ++ rt_sysc_membase = plat_of_remap_node("mtk,mt7621-sysc"); ++ rt_memc_membase = plat_of_remap_node("mtk,mt7621-memc"); ++ ++ if (!rt_sysc_membase || !rt_memc_membase) ++ panic("Failed to remap core resources"); ++} ++ ++void prom_soc_init(struct ralink_soc_info *soc_info) ++{ ++ void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE); ++ unsigned char *name = NULL; ++ u32 n0; ++ u32 n1; ++ u32 rev; ++ ++ n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); ++ n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); ++ ++ if (n0 == MT7621_CHIP_NAME0 && n1 == MT7621_CHIP_NAME1) { ++ name = "MT7621"; ++ soc_info->compatible = "mtk,mt7621-soc"; ++ } else { ++ panic("mt7621: unknown SoC, n0:%08x n1:%08x\n", n0, n1); ++ } ++ ++ rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); ++ ++ snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, ++ "Mediatek %s ver:%u eco:%u", ++ name, ++ (rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK, ++ (rev & CHIP_REV_ECO_MASK)); ++ ++ soc_info->mem_size_min = MT7621_DDR2_SIZE_MIN; ++ soc_info->mem_size_max = MT7621_DDR2_SIZE_MAX; ++ soc_info->mem_base = MT7621_DRAM_BASE; ++ ++ rt2880_pinmux_data = mt7621_pinmux_data; ++ ++ if (register_cmp_smp_ops()) ++ panic("failed to register_vsmp_smp_ops()"); ++} diff --git a/target/linux/ramips/patches-3.18/0013-MIPS-ralink-add-MT7621-defconfig.patch b/target/linux/ramips/patches-3.18/0013-MIPS-ralink-add-MT7621-defconfig.patch new file mode 100644 index 0000000000..daf27c168d --- /dev/null +++ b/target/linux/ramips/patches-3.18/0013-MIPS-ralink-add-MT7621-defconfig.patch @@ -0,0 +1,211 @@ +From 8f92eac5ace0f834ec069b4bb8e9ad38f162de0e Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 27 Jan 2014 13:12:41 +0000 +Subject: [PATCH 13/57] MIPS: ralink: add MT7621 defconfig + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/configs/mt7621_defconfig | 197 ++++++++++++++++++++++++++++++++++++ + 1 file changed, 197 insertions(+) + create mode 100644 arch/mips/configs/mt7621_defconfig + +--- /dev/null ++++ b/arch/mips/configs/mt7621_defconfig +@@ -0,0 +1,197 @@ ++# CONFIG_LOCALVERSION_AUTO is not set ++CONFIG_SYSVIPC=y ++CONFIG_HIGH_RES_TIMERS=y ++CONFIG_RCU_FANOUT=32 ++CONFIG_UIDGID_STRICT_TYPE_CHECKS=y ++CONFIG_BLK_DEV_INITRD=y ++CONFIG_INITRAMFS_SOURCE="/openwrt/trunk/build_dir/target-mipsel_24kec+dsp_uClibc-0.9.33.2/root-ramips /openwrt/trunk/target/linux/generic/image/initramfs-base-files.txt" ++CONFIG_INITRAMFS_ROOT_UID=1000 ++CONFIG_INITRAMFS_ROOT_GID=1000 ++# CONFIG_RD_GZIP is not set ++CONFIG_CC_OPTIMIZE_FOR_SIZE=y ++# CONFIG_AIO is not set ++CONFIG_EMBEDDED=y ++# CONFIG_VM_EVENT_COUNTERS is not set ++# CONFIG_SLUB_DEBUG is not set ++# CONFIG_COMPAT_BRK is not set ++CONFIG_MODULES=y ++CONFIG_MODULE_UNLOAD=y ++# CONFIG_BLK_DEV_BSG is not set ++CONFIG_PARTITION_ADVANCED=y ++# CONFIG_IOSCHED_CFQ is not set ++CONFIG_SMP=y ++CONFIG_NR_CPUS=4 ++CONFIG_SCHED_SMT=y ++# CONFIG_COMPACTION is not set ++# CONFIG_CROSS_MEMORY_ATTACH is not set ++# CONFIG_SECCOMP is not set ++CONFIG_HZ_100=y ++CONFIG_CMDLINE_BOOL=y ++CONFIG_CMDLINE="rootfstype=squashfs,jffs2" ++# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set ++CONFIG_NET=y ++CONFIG_PACKET=y ++CONFIG_UNIX=y ++CONFIG_INET=y ++CONFIG_IP_MULTICAST=y ++CONFIG_IP_ADVANCED_ROUTER=y ++CONFIG_IP_MULTIPLE_TABLES=y ++CONFIG_IP_ROUTE_MULTIPATH=y ++CONFIG_IP_ROUTE_VERBOSE=y ++CONFIG_IP_MROUTE=y ++CONFIG_IP_MROUTE_MULTIPLE_TABLES=y ++CONFIG_ARPD=y ++CONFIG_SYN_COOKIES=y ++# CONFIG_INET_XFRM_MODE_TRANSPORT is not set ++# CONFIG_INET_XFRM_MODE_TUNNEL is not set ++# CONFIG_INET_XFRM_MODE_BEET is not set ++# CONFIG_INET_LRO is not set ++# CONFIG_INET_DIAG is not set ++CONFIG_TCP_CONG_ADVANCED=y ++# CONFIG_TCP_CONG_BIC is not set ++# CONFIG_TCP_CONG_WESTWOOD is not set ++# CONFIG_TCP_CONG_HTCP is not set ++CONFIG_IPV6_PRIVACY=y ++# CONFIG_INET6_XFRM_MODE_TRANSPORT is not set ++# CONFIG_INET6_XFRM_MODE_TUNNEL is not set ++# CONFIG_INET6_XFRM_MODE_BEET is not set ++# CONFIG_IPV6_SIT is not set ++CONFIG_IPV6_MULTIPLE_TABLES=y ++CONFIG_IPV6_SUBTREES=y ++CONFIG_IPV6_MROUTE=y ++CONFIG_NETFILTER=y ++# CONFIG_BRIDGE_NETFILTER is not set ++CONFIG_NF_CONNTRACK=m ++CONFIG_NF_CONNTRACK_FTP=m ++CONFIG_NF_CONNTRACK_IRC=m ++CONFIG_NETFILTER_XT_MARK=m ++CONFIG_NETFILTER_XT_TARGET_LOG=m ++CONFIG_NETFILTER_XT_TARGET_NOTRACK=m ++CONFIG_NETFILTER_XT_TARGET_TCPMSS=m ++CONFIG_NETFILTER_XT_MATCH_COMMENT=m ++CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m ++CONFIG_NETFILTER_XT_MATCH_LIMIT=m ++CONFIG_NETFILTER_XT_MATCH_MAC=m ++CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m ++CONFIG_NETFILTER_XT_MATCH_STATE=m ++CONFIG_NETFILTER_XT_MATCH_TIME=m ++CONFIG_NF_CONNTRACK_IPV4=m ++# CONFIG_NF_CONNTRACK_PROC_COMPAT is not set ++CONFIG_IP_NF_IPTABLES=m ++CONFIG_IP_NF_FILTER=m ++CONFIG_IP_NF_TARGET_REJECT=m ++CONFIG_NF_NAT_IPV4=m ++CONFIG_IP_NF_TARGET_MASQUERADE=m ++CONFIG_IP_NF_TARGET_REDIRECT=m ++CONFIG_IP_NF_MANGLE=m ++CONFIG_IP_NF_RAW=m ++CONFIG_NF_CONNTRACK_IPV6=m ++CONFIG_IP6_NF_IPTABLES=m ++CONFIG_IP6_NF_MATCH_AH=m ++CONFIG_IP6_NF_MATCH_EUI64=m ++CONFIG_IP6_NF_MATCH_FRAG=m ++CONFIG_IP6_NF_MATCH_OPTS=m ++CONFIG_IP6_NF_MATCH_IPV6HEADER=m ++CONFIG_IP6_NF_MATCH_MH=m ++CONFIG_IP6_NF_MATCH_RT=m ++CONFIG_IP6_NF_FILTER=m ++CONFIG_IP6_NF_TARGET_REJECT=m ++CONFIG_IP6_NF_MANGLE=m ++CONFIG_IP6_NF_RAW=m ++CONFIG_BRIDGE=m ++# CONFIG_BRIDGE_IGMP_SNOOPING is not set ++CONFIG_VLAN_8021Q=y ++CONFIG_NET_SCHED=y ++CONFIG_NET_SCH_FQ_CODEL=y ++CONFIG_HAMRADIO=y ++CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" ++# CONFIG_FIRMWARE_IN_KERNEL is not set ++CONFIG_MTD=y ++CONFIG_MTD_CMDLINE_PARTS=y ++CONFIG_MTD_BLOCK=y ++CONFIG_MTD_CFI=y ++CONFIG_MTD_CFI_AMDSTD=y ++CONFIG_MTD_COMPLEX_MAPPINGS=y ++CONFIG_MTD_PHYSMAP=y ++CONFIG_MTD_M25P80=y ++CONFIG_EEPROM_93CX6=m ++CONFIG_SCSI=y ++CONFIG_BLK_DEV_SD=y ++CONFIG_NETDEVICES=y ++# CONFIG_NET_PACKET_ENGINE is not set ++# CONFIG_NET_VENDOR_WIZNET is not set ++CONFIG_PHYLIB=y ++CONFIG_SWCONFIG=y ++CONFIG_PPP=m ++CONFIG_PPP_FILTER=y ++CONFIG_PPP_MULTILINK=y ++CONFIG_PPPOE=m ++CONFIG_PPP_ASYNC=m ++CONFIG_ISDN=y ++# CONFIG_INPUT is not set ++# CONFIG_SERIO is not set ++# CONFIG_VT is not set ++# CONFIG_LEGACY_PTYS is not set ++# CONFIG_DEVKMEM is not set ++CONFIG_SERIAL_8250=y ++# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set ++CONFIG_SERIAL_8250_CONSOLE=y ++# CONFIG_SERIAL_8250_PCI is not set ++CONFIG_SERIAL_8250_RUNTIME_UARTS=2 ++CONFIG_SPI=y ++CONFIG_GPIOLIB=y ++CONFIG_GPIO_SYSFS=y ++# CONFIG_HWMON is not set ++CONFIG_WATCHDOG=y ++CONFIG_WATCHDOG_CORE=y ++# CONFIG_VGA_ARB is not set ++CONFIG_USB=y ++CONFIG_USB_XHCI_HCD=y ++CONFIG_USB_XHCI_PLATFORM=y ++CONFIG_USB_MT7621_XHCI_PLATFORM=y ++CONFIG_USB_STORAGE=y ++CONFIG_USB_PHY=y ++CONFIG_NEW_LEDS=y ++CONFIG_LEDS_CLASS=y ++CONFIG_LEDS_GPIO=m ++CONFIG_LEDS_TRIGGERS=y ++CONFIG_LEDS_TRIGGER_TIMER=y ++CONFIG_LEDS_TRIGGER_DEFAULT_ON=y ++CONFIG_STAGING=y ++CONFIG_USB_DWC2=m ++# CONFIG_IOMMU_SUPPORT is not set ++CONFIG_RESET_CONTROLLER=y ++# CONFIG_FIRMWARE_MEMMAP is not set ++# CONFIG_DNOTIFY is not set ++# CONFIG_PROC_PAGE_MONITOR is not set ++CONFIG_TMPFS=y ++CONFIG_TMPFS_XATTR=y ++CONFIG_JFFS2_FS=y ++CONFIG_JFFS2_SUMMARY=y ++CONFIG_JFFS2_FS_XATTR=y ++# CONFIG_JFFS2_FS_POSIX_ACL is not set ++# CONFIG_JFFS2_FS_SECURITY is not set ++CONFIG_JFFS2_COMPRESSION_OPTIONS=y ++# CONFIG_JFFS2_ZLIB is not set ++CONFIG_SQUASHFS=y ++# CONFIG_SQUASHFS_ZLIB is not set ++CONFIG_SQUASHFS_XZ=y ++CONFIG_PRINTK_TIME=y ++# CONFIG_ENABLE_MUST_CHECK is not set ++CONFIG_FRAME_WARN=1024 ++CONFIG_MAGIC_SYSRQ=y ++CONFIG_STRIP_ASM_SYMS=y ++# CONFIG_UNUSED_SYMBOLS is not set ++CONFIG_DEBUG_FS=y ++# CONFIG_SCHED_DEBUG is not set ++CONFIG_DEBUG_INFO=y ++CONFIG_DEBUG_INFO_REDUCED=y ++CONFIG_RCU_CPU_STALL_TIMEOUT=60 ++# CONFIG_FTRACE is not set ++CONFIG_CRYPTO_ARC4=m ++# CONFIG_CRYPTO_ANSI_CPRNG is not set ++# CONFIG_VIRTUALIZATION is not set ++CONFIG_CRC_ITU_T=m ++CONFIG_CRC32_SARWATE=y ++# CONFIG_XZ_DEC_X86 is not set ++CONFIG_AVERAGE=y diff --git a/target/linux/ramips/patches-3.18/0015-MIPS-ralink-cleanup-early_printk.patch b/target/linux/ramips/patches-3.18/0015-MIPS-ralink-cleanup-early_printk.patch new file mode 100644 index 0000000000..d139139322 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0015-MIPS-ralink-cleanup-early_printk.patch @@ -0,0 +1,79 @@ +From e410b0069ee7c318a5b556f39b8b16814330a208 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Fri, 24 Jan 2014 17:01:17 +0100 +Subject: [PATCH 15/57] MIPS: ralink: cleanup early_printk + +Add support for the new MT7621/8 SoC and kill ifdefs. +Cleanup some whitespace error while we are at it. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/early_printk.c | 45 ++++++++++++++++++++++++++------------- + 1 file changed, 30 insertions(+), 15 deletions(-) + +--- a/arch/mips/ralink/early_printk.c ++++ b/arch/mips/ralink/early_printk.c +@@ -12,21 +12,24 @@ + #include <asm/addrspace.h> + + #ifdef CONFIG_SOC_RT288X +-#define EARLY_UART_BASE 0x300c00 ++#define EARLY_UART_BASE 0x300c00 ++#define CHIPID_BASE 0x300004 ++#elif defined(CONFIG_SOC_MT7621) ++#define EARLY_UART_BASE 0x1E000c00 ++#define CHIPID_BASE 0x1E000004 + #else +-#define EARLY_UART_BASE 0x10000c00 ++#define EARLY_UART_BASE 0x10000c00 ++#define CHIPID_BASE 0x10000004 + #endif + +-#define UART_REG_RX 0x00 +-#define UART_REG_TX 0x04 +-#define UART_REG_IER 0x08 +-#define UART_REG_IIR 0x0c +-#define UART_REG_FCR 0x10 +-#define UART_REG_LCR 0x14 +-#define UART_REG_MCR 0x18 +-#define UART_REG_LSR 0x1c ++#define MT7628_CHIP_NAME1 0x20203832 ++ ++#define UART_REG_TX 0x04 ++#define UART_REG_LSR 0x14 ++#define UART_REG_LSR_RT2880 0x1c + + static __iomem void *uart_membase = (__iomem void *) KSEG1ADDR(EARLY_UART_BASE); ++static __iomem void *chipid_membase = (__iomem void *) KSEG1ADDR(CHIPID_BASE); + + static inline void uart_w32(u32 val, unsigned reg) + { +@@ -38,11 +41,23 @@ static inline u32 uart_r32(unsigned reg) + return __raw_readl(uart_membase + reg); + } + ++static inline int soc_is_mt7628(void) ++{ ++ return IS_ENABLED(CONFIG_SOC_MT7620) && ++ (__raw_readl(chipid_membase) == MT7628_CHIP_NAME1); ++} ++ + void prom_putchar(unsigned char ch) + { +- while ((uart_r32(UART_REG_LSR) & UART_LSR_THRE) == 0) +- ; +- uart_w32(ch, UART_REG_TX); +- while ((uart_r32(UART_REG_LSR) & UART_LSR_THRE) == 0) +- ; ++ if (IS_ENABLED(CONFIG_SOC_MT7621) || soc_is_mt7628()) { ++ uart_w32(ch, UART_TX); ++ while ((uart_r32(UART_REG_LSR) & UART_LSR_THRE) == 0) ++ ; ++ } else { ++ while ((uart_r32(UART_REG_LSR_RT2880) & UART_LSR_THRE) == 0) ++ ; ++ uart_w32(ch, UART_REG_TX); ++ while ((uart_r32(UART_REG_LSR_RT2880) & UART_LSR_THRE) == 0) ++ ; ++ } + } diff --git a/target/linux/ramips/patches-3.18/0016-MIPS-ralink-add-MT7621-pcie-driver.patch b/target/linux/ramips/patches-3.18/0016-MIPS-ralink-add-MT7621-pcie-driver.patch new file mode 100644 index 0000000000..2154e8a319 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0016-MIPS-ralink-add-MT7621-pcie-driver.patch @@ -0,0 +1,838 @@ +From 95d7eb13a864ef666cea7f0e86349e86d80d28ce Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 16 Mar 2014 05:22:39 +0000 +Subject: [PATCH 16/57] MIPS: ralink: add MT7621 pcie driver + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/pci/Makefile | 1 + + arch/mips/pci/pci-mt7621.c | 797 ++++++++++++++++++++++++++++++++++++++++++++ + 2 files changed, 798 insertions(+) + create mode 100644 arch/mips/pci/pci-mt7621.c + +--- a/arch/mips/pci/Makefile ++++ b/arch/mips/pci/Makefile +@@ -42,6 +42,7 @@ obj-$(CONFIG_SIBYTE_BCM1x80) += pci-bcm1 + obj-$(CONFIG_SNI_RM) += fixup-sni.o ops-sni.o + obj-$(CONFIG_LANTIQ) += fixup-lantiq.o + obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o ++obj-$(CONFIG_SOC_MT7621) += pci-mt7621.o + obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o + obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o + obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o +--- /dev/null ++++ b/arch/mips/pci/pci-mt7621.c +@@ -0,0 +1,813 @@ ++/************************************************************************** ++ * ++ * BRIEF MODULE DESCRIPTION ++ * PCI init for Ralink RT2880 solution ++ * ++ * Copyright 2007 Ralink Inc. (bruce_chang@ralinktech.com.tw) ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED ++ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN ++ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, ++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT ++ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF ++ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ++ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF ++ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 675 Mass Ave, Cambridge, MA 02139, USA. ++ * ++ * ++ ************************************************************************** ++ * May 2007 Bruce Chang ++ * Initial Release ++ * ++ * May 2009 Bruce Chang ++ * support RT2880/RT3883 PCIe ++ * ++ * May 2011 Bruce Chang ++ * support RT6855/MT7620 PCIe ++ * ++ ************************************************************************** ++ */ ++ ++#include <linux/types.h> ++#include <linux/pci.h> ++#include <linux/kernel.h> ++#include <linux/slab.h> ++#include <linux/version.h> ++#include <asm/pci.h> ++#include <asm/io.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/delay.h> ++#include <linux/of.h> ++#include <linux/of_pci.h> ++#include <linux/platform_device.h> ++ ++#include <ralink_regs.h> ++ ++extern void pcie_phy_init(void); ++extern void chk_phy_pll(void); ++ ++/* ++ * These functions and structures provide the BIOS scan and mapping of the PCI ++ * devices. ++ */ ++ ++#define CONFIG_PCIE_PORT0 ++#define CONFIG_PCIE_PORT1 ++#define CONFIG_PCIE_PORT2 ++#define RALINK_PCIE0_CLK_EN (1<<24) ++#define RALINK_PCIE1_CLK_EN (1<<25) ++#define RALINK_PCIE2_CLK_EN (1<<26) ++ ++#define RALINK_PCI_CONFIG_ADDR 0x20 ++#define RALINK_PCI_CONFIG_DATA_VIRTUAL_REG 0x24 ++#define SURFBOARDINT_PCIE0 12 /* PCIE0 */ ++#define RALINK_INT_PCIE0 SURFBOARDINT_PCIE0 ++#define RALINK_INT_PCIE1 SURFBOARDINT_PCIE1 ++#define RALINK_INT_PCIE2 SURFBOARDINT_PCIE2 ++#define SURFBOARDINT_PCIE1 32 /* PCIE1 */ ++#define SURFBOARDINT_PCIE2 33 /* PCIE2 */ ++#define RALINK_PCI_MEMBASE *(volatile u32 *)(RALINK_PCI_BASE + 0x0028) ++#define RALINK_PCI_IOBASE *(volatile u32 *)(RALINK_PCI_BASE + 0x002C) ++#define RALINK_PCIE0_RST (1<<24) ++#define RALINK_PCIE1_RST (1<<25) ++#define RALINK_PCIE2_RST (1<<26) ++#define RALINK_SYSCTL_BASE 0xBE000000 ++ ++#define RALINK_PCI_PCICFG_ADDR *(volatile u32 *)(RALINK_PCI_BASE + 0x0000) ++#define RALINK_PCI_PCIMSK_ADDR *(volatile u32 *)(RALINK_PCI_BASE + 0x000C) ++#define RALINK_PCI_BASE 0xBE140000 ++ ++#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000) ++#define RT6855_PCIE0_OFFSET 0x2000 ++#define RT6855_PCIE1_OFFSET 0x3000 ++#define RT6855_PCIE2_OFFSET 0x4000 ++ ++#define RALINK_PCI0_BAR0SETUP_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0010) ++#define RALINK_PCI0_IMBASEBAR0_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0018) ++#define RALINK_PCI0_ID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0030) ++#define RALINK_PCI0_CLASS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0034) ++#define RALINK_PCI0_SUBID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0038) ++#define RALINK_PCI0_STATUS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0050) ++#define RALINK_PCI0_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0060) ++#define RALINK_PCI0_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0064) ++ ++#define RALINK_PCI1_BAR0SETUP_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0010) ++#define RALINK_PCI1_IMBASEBAR0_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0018) ++#define RALINK_PCI1_ID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0030) ++#define RALINK_PCI1_CLASS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0034) ++#define RALINK_PCI1_SUBID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0038) ++#define RALINK_PCI1_STATUS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0050) ++#define RALINK_PCI1_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0060) ++#define RALINK_PCI1_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0064) ++ ++#define RALINK_PCI2_BAR0SETUP_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0010) ++#define RALINK_PCI2_IMBASEBAR0_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0018) ++#define RALINK_PCI2_ID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0030) ++#define RALINK_PCI2_CLASS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0034) ++#define RALINK_PCI2_SUBID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0038) ++#define RALINK_PCI2_STATUS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0050) ++#define RALINK_PCI2_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0060) ++#define RALINK_PCI2_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0064) ++ ++#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000) ++#define RALINK_PCIEPHY_P2_CTL_OFFSET (RALINK_PCI_BASE + 0xA000) ++ ++ ++#define MV_WRITE(ofs, data) \ ++ *(volatile u32 *)(RALINK_PCI_BASE+(ofs)) = cpu_to_le32(data) ++#define MV_READ(ofs, data) \ ++ *(data) = le32_to_cpu(*(volatile u32 *)(RALINK_PCI_BASE+(ofs))) ++#define MV_READ_DATA(ofs) \ ++ le32_to_cpu(*(volatile u32 *)(RALINK_PCI_BASE+(ofs))) ++ ++#define MV_WRITE_16(ofs, data) \ ++ *(volatile u16 *)(RALINK_PCI_BASE+(ofs)) = cpu_to_le16(data) ++#define MV_READ_16(ofs, data) \ ++ *(data) = le16_to_cpu(*(volatile u16 *)(RALINK_PCI_BASE+(ofs))) ++ ++#define MV_WRITE_8(ofs, data) \ ++ *(volatile u8 *)(RALINK_PCI_BASE+(ofs)) = data ++#define MV_READ_8(ofs, data) \ ++ *(data) = *(volatile u8 *)(RALINK_PCI_BASE+(ofs)) ++ ++ ++ ++#define RALINK_PCI_MM_MAP_BASE 0x60000000 ++#define RALINK_PCI_IO_MAP_BASE 0x1e160000 ++ ++#define RALINK_SYSTEM_CONTROL_BASE 0xbe000000 ++#define GPIO_PERST ++#define ASSERT_SYSRST_PCIE(val) do { \ ++ if (*(unsigned int *)(0xbe00000c) == 0x00030101) \ ++ RALINK_RSTCTRL |= val; \ ++ else \ ++ RALINK_RSTCTRL &= ~val; \ ++ } while(0) ++#define DEASSERT_SYSRST_PCIE(val) do { \ ++ if (*(unsigned int *)(0xbe00000c) == 0x00030101) \ ++ RALINK_RSTCTRL &= ~val; \ ++ else \ ++ RALINK_RSTCTRL |= val; \ ++ } while(0) ++#define RALINK_SYSCFG1 *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x14) ++#define RALINK_CLKCFG1 *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x30) ++#define RALINK_RSTCTRL *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x34) ++#define RALINK_GPIOMODE *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x60) ++#define RALINK_PCIE_CLK_GEN *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x7c) ++#define RALINK_PCIE_CLK_GEN1 *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x80) ++#define PPLL_CFG1 *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x9c) ++#define PPLL_DRV *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0xa0) ++//RALINK_SYSCFG1 bit ++#define RALINK_PCI_HOST_MODE_EN (1<<7) ++#define RALINK_PCIE_RC_MODE_EN (1<<8) ++//RALINK_RSTCTRL bit ++#define RALINK_PCIE_RST (1<<23) ++#define RALINK_PCI_RST (1<<24) ++//RALINK_CLKCFG1 bit ++#define RALINK_PCI_CLK_EN (1<<19) ++#define RALINK_PCIE_CLK_EN (1<<21) ++//RALINK_GPIOMODE bit ++#define PCI_SLOTx2 (1<<11) ++#define PCI_SLOTx1 (2<<11) ++//MTK PCIE PLL bit ++#define PDRV_SW_SET (1<<31) ++#define LC_CKDRVPD_ (1<<19) ++ ++#define MEMORY_BASE 0x0 ++static int pcie_link_status = 0; ++ ++#define PCI_ACCESS_READ_1 0 ++#define PCI_ACCESS_READ_2 1 ++#define PCI_ACCESS_READ_4 2 ++#define PCI_ACCESS_WRITE_1 3 ++#define PCI_ACCESS_WRITE_2 4 ++#define PCI_ACCESS_WRITE_4 5 ++ ++static int config_access(unsigned char access_type, struct pci_bus *bus, ++ unsigned int devfn, unsigned int where, u32 * data) ++{ ++ unsigned int slot = PCI_SLOT(devfn); ++ u8 func = PCI_FUNC(devfn); ++ uint32_t address_reg, data_reg; ++ unsigned int address; ++ ++ address_reg = RALINK_PCI_CONFIG_ADDR; ++ data_reg = RALINK_PCI_CONFIG_DATA_VIRTUAL_REG; ++ ++ address = (((where&0xF00)>>8)<<24) |(bus->number << 16) | (slot << 11) | (func << 8) | (where & 0xfc) | 0x80000000; ++ MV_WRITE(address_reg, address); ++ ++ switch(access_type) { ++ case PCI_ACCESS_WRITE_1: ++ MV_WRITE_8(data_reg+(where&0x3), *data); ++ break; ++ case PCI_ACCESS_WRITE_2: ++ MV_WRITE_16(data_reg+(where&0x3), *data); ++ break; ++ case PCI_ACCESS_WRITE_4: ++ MV_WRITE(data_reg, *data); ++ break; ++ case PCI_ACCESS_READ_1: ++ MV_READ_8( data_reg+(where&0x3), data); ++ break; ++ case PCI_ACCESS_READ_2: ++ MV_READ_16(data_reg+(where&0x3), data); ++ break; ++ case PCI_ACCESS_READ_4: ++ MV_READ(data_reg, data); ++ break; ++ default: ++ printk("no specify access type\n"); ++ break; ++ } ++ return 0; ++} ++ ++static int ++read_config_byte(struct pci_bus *bus, unsigned int devfn, int where, u8 * val) ++{ ++ return config_access(PCI_ACCESS_READ_1, bus, devfn, (unsigned int)where, (u32 *)val); ++} ++ ++static int ++read_config_word(struct pci_bus *bus, unsigned int devfn, int where, u16 * val) ++{ ++ return config_access(PCI_ACCESS_READ_2, bus, devfn, (unsigned int)where, (u32 *)val); ++} ++ ++static int ++read_config_dword(struct pci_bus *bus, unsigned int devfn, int where, u32 * val) ++{ ++ return config_access(PCI_ACCESS_READ_4, bus, devfn, (unsigned int)where, (u32 *)val); ++} ++ ++static int ++write_config_byte(struct pci_bus *bus, unsigned int devfn, int where, u8 val) ++{ ++ if (config_access(PCI_ACCESS_WRITE_1, bus, devfn, (unsigned int)where, (u32 *)&val)) ++ return -1; ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static int ++write_config_word(struct pci_bus *bus, unsigned int devfn, int where, u16 val) ++{ ++ if (config_access(PCI_ACCESS_WRITE_2, bus, devfn, where, (u32 *)&val)) ++ return -1; ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static int ++write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, u32 val) ++{ ++ if (config_access(PCI_ACCESS_WRITE_4, bus, devfn, where, &val)) ++ return -1; ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++ ++static int ++pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) ++{ ++ switch (size) { ++ case 1: ++ return read_config_byte(bus, devfn, where, (u8 *) val); ++ case 2: ++ return read_config_word(bus, devfn, where, (u16 *) val); ++ default: ++ return read_config_dword(bus, devfn, where, val); ++ } ++} ++ ++static int ++pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) ++{ ++ switch (size) { ++ case 1: ++ return write_config_byte(bus, devfn, where, (u8) val); ++ case 2: ++ return write_config_word(bus, devfn, where, (u16) val); ++ default: ++ return write_config_dword(bus, devfn, where, val); ++ } ++} ++ ++struct pci_ops mt7621_pci_ops= { ++ .read = pci_config_read, ++ .write = pci_config_write, ++}; ++ ++static struct resource mt7621_res_pci_mem1 = { ++ .name = "PCI MEM1", ++ .start = RALINK_PCI_MM_MAP_BASE, ++ .end = (u32)((RALINK_PCI_MM_MAP_BASE + (unsigned char *)0x0fffffff)), ++ .flags = IORESOURCE_MEM, ++}; ++static struct resource mt7621_res_pci_io1 = { ++ .name = "PCI I/O1", ++ .start = RALINK_PCI_IO_MAP_BASE, ++ .end = (u32)((RALINK_PCI_IO_MAP_BASE + (unsigned char *)0x0ffff)), ++ .flags = IORESOURCE_IO, ++}; ++ ++static struct pci_controller mt7621_controller = { ++ .pci_ops = &mt7621_pci_ops, ++ .mem_resource = &mt7621_res_pci_mem1, ++ .io_resource = &mt7621_res_pci_io1, ++ .mem_offset = 0x00000000UL, ++ .io_offset = 0x00000000UL, ++ .io_map_base = 0xa0000000, ++}; ++ ++static void ++read_config(unsigned long bus, unsigned long dev, unsigned long func, unsigned long reg, unsigned long *val) ++{ ++ unsigned int address_reg, data_reg, address; ++ ++ address_reg = RALINK_PCI_CONFIG_ADDR; ++ data_reg = RALINK_PCI_CONFIG_DATA_VIRTUAL_REG; ++ address = (((reg & 0xF00)>>8)<<24) | (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) | 0x80000000 ; ++ MV_WRITE(address_reg, address); ++ MV_READ(data_reg, val); ++ return; ++} ++ ++static void ++write_config(unsigned long bus, unsigned long dev, unsigned long func, unsigned long reg, unsigned long val) ++{ ++ unsigned int address_reg, data_reg, address; ++ ++ address_reg = RALINK_PCI_CONFIG_ADDR; ++ data_reg = RALINK_PCI_CONFIG_DATA_VIRTUAL_REG; ++ address = (((reg & 0xF00)>>8)<<24) | (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) | 0x80000000 ; ++ MV_WRITE(address_reg, address); ++ MV_WRITE(data_reg, val); ++ return; ++} ++ ++ ++int __init ++pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ u16 cmd; ++ u32 val; ++ int irq = 0; ++ ++ if ((dev->bus->number == 0) && (slot == 0)) { ++ write_config(0, 0, 0, PCI_BASE_ADDRESS_0, MEMORY_BASE); ++ read_config(0, 0, 0, PCI_BASE_ADDRESS_0, (unsigned long *)&val); ++ printk("BAR0 at slot 0 = %x\n", val); ++ printk("bus=0x%x, slot = 0x%x\n",dev->bus->number, slot); ++ } else if((dev->bus->number == 0) && (slot == 0x1)) { ++ write_config(0, 1, 0, PCI_BASE_ADDRESS_0, MEMORY_BASE); ++ read_config(0, 1, 0, PCI_BASE_ADDRESS_0, (unsigned long *)&val); ++ printk("BAR0 at slot 1 = %x\n", val); ++ printk("bus=0x%x, slot = 0x%x\n",dev->bus->number, slot); ++ } else if((dev->bus->number == 0) && (slot == 0x2)) { ++ write_config(0, 2, 0, PCI_BASE_ADDRESS_0, MEMORY_BASE); ++ read_config(0, 2, 0, PCI_BASE_ADDRESS_0, (unsigned long *)&val); ++ printk("BAR0 at slot 2 = %x\n", val); ++ printk("bus=0x%x, slot = 0x%x\n",dev->bus->number, slot); ++ } else if ((dev->bus->number == 1) && (slot == 0x0)) { ++ switch (pcie_link_status) { ++ case 2: ++ case 6: ++ irq = RALINK_INT_PCIE1; ++ break; ++ case 4: ++ irq = RALINK_INT_PCIE2; ++ break; ++ default: ++ irq = RALINK_INT_PCIE0; ++ } ++ printk("bus=0x%x, slot = 0x%x, irq=0x%x\n",dev->bus->number, slot, dev->irq); ++ } else if ((dev->bus->number == 2) && (slot == 0x0)) { ++ switch (pcie_link_status) { ++ case 5: ++ case 6: ++ irq = RALINK_INT_PCIE2; ++ break; ++ default: ++ irq = RALINK_INT_PCIE1; ++ } ++ printk("bus=0x%x, slot = 0x%x, irq=0x%x\n",dev->bus->number, slot, dev->irq); ++ } else if ((dev->bus->number == 2) && (slot == 0x1)) { ++ switch (pcie_link_status) { ++ case 5: ++ case 6: ++ irq = RALINK_INT_PCIE2; ++ break; ++ default: ++ irq = RALINK_INT_PCIE1; ++ } ++ printk("bus=0x%x, slot = 0x%x, irq=0x%x\n",dev->bus->number, slot, dev->irq); ++ } else if ((dev->bus->number ==3) && (slot == 0x0)) { ++ irq = RALINK_INT_PCIE2; ++ printk("bus=0x%x, slot = 0x%x, irq=0x%x\n",dev->bus->number, slot, dev->irq); ++ } else if ((dev->bus->number ==3) && (slot == 0x1)) { ++ irq = RALINK_INT_PCIE2; ++ printk("bus=0x%x, slot = 0x%x, irq=0x%x\n",dev->bus->number, slot, dev->irq); ++ } else if ((dev->bus->number ==3) && (slot == 0x2)) { ++ irq = RALINK_INT_PCIE2; ++ printk("bus=0x%x, slot = 0x%x, irq=0x%x\n",dev->bus->number, slot, dev->irq); ++ } else { ++ printk("bus=0x%x, slot = 0x%x\n",dev->bus->number, slot); ++ return 0; ++ } ++ ++ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0x14); //configure cache line size 0x14 ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xFF); //configure latency timer 0x10 ++ pci_read_config_word(dev, PCI_COMMAND, &cmd); ++ cmd = cmd | PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY; ++ pci_write_config_word(dev, PCI_COMMAND, cmd); ++ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); ++ return irq; ++} ++ ++void ++set_pcie_phy(u32 *addr, int start_b, int bits, int val) ++{ ++// printk("0x%p:", addr); ++// printk(" %x", *addr); ++ *(unsigned int *)(addr) &= ~(((1<<bits) - 1)<<start_b); ++ *(unsigned int *)(addr) |= val << start_b; ++// printk(" -> %x\n", *addr); ++} ++ ++void ++bypass_pipe_rst(void) ++{ ++#if defined (CONFIG_PCIE_PORT0) ++ /* PCIe Port 0 */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x02c), 12, 1, 0x01); // rg_pe1_pipe_rst_b ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x02c), 4, 1, 0x01); // rg_pe1_pipe_cmd_frc[4] ++#endif ++#if defined (CONFIG_PCIE_PORT1) ++ /* PCIe Port 1 */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x12c), 12, 1, 0x01); // rg_pe1_pipe_rst_b ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x12c), 4, 1, 0x01); // rg_pe1_pipe_cmd_frc[4] ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ /* PCIe Port 2 */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x02c), 12, 1, 0x01); // rg_pe1_pipe_rst_b ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x02c), 4, 1, 0x01); // rg_pe1_pipe_cmd_frc[4] ++#endif ++} ++ ++void ++set_phy_for_ssc(void) ++{ ++ unsigned long reg = (*(volatile u32 *)(RALINK_SYSCTL_BASE + 0x10)); ++ ++ reg = (reg >> 6) & 0x7; ++#if defined (CONFIG_PCIE_PORT0) || defined (CONFIG_PCIE_PORT1) ++ /* Set PCIe Port0 & Port1 PHY to disable SSC */ ++ /* Debug Xtal Type */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x400), 8, 1, 0x01); // rg_pe1_frc_h_xtal_type ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x400), 9, 2, 0x00); // rg_pe1_h_xtal_type ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 0 enable control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 1 enable control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 5, 1, 0x00); // rg_pe1_phy_en //Port 0 disable ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 5, 1, 0x00); // rg_pe1_phy_en //Port 1 disable ++ if(reg <= 5 && reg >= 3) { // 40MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 6, 2, 0x01); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode) ++ printk("***** Xtal 40MHz *****\n"); ++ } else { // 25MHz | 20MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 6, 2, 0x00); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode) ++ if (reg >= 6) { ++ printk("***** Xtal 25MHz *****\n"); ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4bc), 4, 2, 0x01); // RG_PE1_H_PLL_FBKSEL //Feedback clock select ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x49c), 0,31, 0x18000000); // RG_PE1_H_LCDDS_PCW_NCPO //DDS NCPO PCW (for host mode) ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a4), 0,16, 0x18d); // RG_PE1_H_LCDDS_SSC_PRD //DDS SSC dither period control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a8), 0,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA //DDS SSC dither amplitude control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a8), 16,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA1 //DDS SSC dither amplitude control for initial ++ } else { ++ printk("***** Xtal 20MHz *****\n"); ++ } ++ } ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a0), 5, 1, 0x01); // RG_PE1_LCDDS_CLK_PH_INV //DDS clock inversion ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 22, 2, 0x02); // RG_PE1_H_PLL_BC ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 18, 4, 0x06); // RG_PE1_H_PLL_BP ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 12, 4, 0x02); // RG_PE1_H_PLL_IR ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 8, 4, 0x01); // RG_PE1_H_PLL_IC ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4ac), 16, 3, 0x00); // RG_PE1_H_PLL_BR ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 1, 3, 0x02); // RG_PE1_PLL_DIVEN ++ if(reg <= 5 && reg >= 3) { // 40MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x414), 6, 2, 0x01); // rg_pe1_mstckdiv //value of da_pe1_mstckdiv when force mode enable ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x414), 5, 1, 0x01); // rg_pe1_frc_mstckdiv //force mode enable of da_pe1_mstckdiv ++ } ++ /* Enable PHY and disable force mode */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 5, 1, 0x01); // rg_pe1_phy_en //Port 0 enable ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 5, 1, 0x01); // rg_pe1_phy_en //Port 1 enable ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 0 disable control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 1 disable control ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ /* Set PCIe Port2 PHY to disable SSC */ ++ /* Debug Xtal Type */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x400), 8, 1, 0x01); // rg_pe1_frc_h_xtal_type ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x400), 9, 2, 0x00); // rg_pe1_h_xtal_type ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 0 enable control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 5, 1, 0x00); // rg_pe1_phy_en //Port 0 disable ++ if(reg <= 5 && reg >= 3) { // 40MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 6, 2, 0x01); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode) ++ } else { // 25MHz | 20MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 6, 2, 0x00); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode) ++ if (reg >= 6) { // 25MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4bc), 4, 2, 0x01); // RG_PE1_H_PLL_FBKSEL //Feedback clock select ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x49c), 0,31, 0x18000000); // RG_PE1_H_LCDDS_PCW_NCPO //DDS NCPO PCW (for host mode) ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a4), 0,16, 0x18d); // RG_PE1_H_LCDDS_SSC_PRD //DDS SSC dither period control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a8), 0,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA //DDS SSC dither amplitude control ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a8), 16,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA1 //DDS SSC dither amplitude control for initial ++ } ++ } ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a0), 5, 1, 0x01); // RG_PE1_LCDDS_CLK_PH_INV //DDS clock inversion ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 22, 2, 0x02); // RG_PE1_H_PLL_BC ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 18, 4, 0x06); // RG_PE1_H_PLL_BP ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 12, 4, 0x02); // RG_PE1_H_PLL_IR ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 8, 4, 0x01); // RG_PE1_H_PLL_IC ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4ac), 16, 3, 0x00); // RG_PE1_H_PLL_BR ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 1, 3, 0x02); // RG_PE1_PLL_DIVEN ++ if(reg <= 5 && reg >= 3) { // 40MHz Xtal ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x414), 6, 2, 0x01); // rg_pe1_mstckdiv //value of da_pe1_mstckdiv when force mode enable ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x414), 5, 1, 0x01); // rg_pe1_frc_mstckdiv //force mode enable of da_pe1_mstckdiv ++ } ++ /* Enable PHY and disable force mode */ ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 5, 1, 0x01); // rg_pe1_phy_en //Port 0 enable ++ set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 0 disable control ++#endif ++} ++ ++static int mt7621_pci_probe(struct platform_device *pdev) ++{ ++ unsigned long val = 0; ++ ++ iomem_resource.start = 0; ++ iomem_resource.end= ~0; ++ ioport_resource.start= 0; ++ ioport_resource.end = ~0; ++ ++#if defined (CONFIG_PCIE_PORT0) ++ val = RALINK_PCIE0_RST; ++#endif ++#if defined (CONFIG_PCIE_PORT1) ++ val |= RALINK_PCIE1_RST; ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ val |= RALINK_PCIE2_RST; ++#endif ++ ASSERT_SYSRST_PCIE(RALINK_PCIE0_RST | RALINK_PCIE1_RST | RALINK_PCIE2_RST); ++ printk("pull PCIe RST: RALINK_RSTCTRL = %x\n", RALINK_RSTCTRL); ++#if defined GPIO_PERST /* add GPIO control instead of PERST_N */ /*chhung*/ ++ *(unsigned int *)(0xbe000060) &= ~(0x3<<10 | 0x3<<3); ++ *(unsigned int *)(0xbe000060) |= 0x1<<10 | 0x1<<3; ++ mdelay(100); ++ *(unsigned int *)(0xbe000600) |= 0x1<<19 | 0x1<<8 | 0x1<<7; // use GPIO19/GPIO8/GPIO7 (PERST_N/UART_RXD3/UART_TXD3) ++ mdelay(100); ++ *(unsigned int *)(0xbe000620) &= ~(0x1<<19 | 0x1<<8 | 0x1<<7); // clear DATA ++ ++ mdelay(100); ++#else ++ *(unsigned int *)(0xbe000060) &= ~0x00000c00; ++#endif ++#if defined (CONFIG_PCIE_PORT0) ++ val = RALINK_PCIE0_RST; ++#endif ++#if defined (CONFIG_PCIE_PORT1) ++ val |= RALINK_PCIE1_RST; ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ val |= RALINK_PCIE2_RST; ++#endif ++ DEASSERT_SYSRST_PCIE(val); ++ printk("release PCIe RST: RALINK_RSTCTRL = %x\n", RALINK_RSTCTRL); ++ ++ if ((*(unsigned int *)(0xbe00000c)&0xFFFF) == 0x0101) // MT7621 E2 ++ bypass_pipe_rst(); ++ set_phy_for_ssc(); ++ printk("release PCIe RST: RALINK_RSTCTRL = %x\n", RALINK_RSTCTRL); ++ ++#if defined (CONFIG_PCIE_PORT0) ++ read_config(0, 0, 0, 0x70c, &val); ++ printk("Port 0 N_FTS = %x\n", (unsigned int)val); ++#endif ++#if defined (CONFIG_PCIE_PORT1) ++ read_config(0, 1, 0, 0x70c, &val); ++ printk("Port 1 N_FTS = %x\n", (unsigned int)val); ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ read_config(0, 2, 0, 0x70c, &val); ++ printk("Port 2 N_FTS = %x\n", (unsigned int)val); ++#endif ++ ++ RALINK_RSTCTRL = (RALINK_RSTCTRL | RALINK_PCIE_RST); ++ RALINK_SYSCFG1 &= ~(0x30); ++ RALINK_SYSCFG1 |= (2<<4); ++ RALINK_PCIE_CLK_GEN &= 0x7fffffff; ++ RALINK_PCIE_CLK_GEN1 &= 0x80ffffff; ++ RALINK_PCIE_CLK_GEN1 |= 0xa << 24; ++ RALINK_PCIE_CLK_GEN |= 0x80000000; ++ mdelay(50); ++ RALINK_RSTCTRL = (RALINK_RSTCTRL & ~RALINK_PCIE_RST); ++ ++ ++#if defined GPIO_PERST /* add GPIO control instead of PERST_N */ /*chhung*/ ++ *(unsigned int *)(0xbe000620) |= 0x1<<19 | 0x1<<8 | 0x1<<7; // set DATA ++ mdelay(100); ++#else ++ RALINK_PCI_PCICFG_ADDR &= ~(1<<1); //de-assert PERST ++#endif ++ mdelay(500); ++ ++ ++ mdelay(500); ++#if defined (CONFIG_PCIE_PORT0) ++ if(( RALINK_PCI0_STATUS & 0x1) == 0) ++ { ++ printk("PCIE0 no card, disable it(RST&CLK)\n"); ++ ASSERT_SYSRST_PCIE(RALINK_PCIE0_RST); ++ RALINK_CLKCFG1 = (RALINK_CLKCFG1 & ~RALINK_PCIE0_CLK_EN); ++ pcie_link_status &= ~(1<<0); ++ } else { ++ pcie_link_status |= 1<<0; ++ RALINK_PCI_PCIMSK_ADDR |= (1<<20); // enable pcie1 interrupt ++ } ++#endif ++#if defined (CONFIG_PCIE_PORT1) ++ if(( RALINK_PCI1_STATUS & 0x1) == 0) ++ { ++ printk("PCIE1 no card, disable it(RST&CLK)\n"); ++ ASSERT_SYSRST_PCIE(RALINK_PCIE1_RST); ++ RALINK_CLKCFG1 = (RALINK_CLKCFG1 & ~RALINK_PCIE1_CLK_EN); ++ pcie_link_status &= ~(1<<1); ++ } else { ++ pcie_link_status |= 1<<1; ++ RALINK_PCI_PCIMSK_ADDR |= (1<<21); // enable pcie1 interrupt ++ } ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ if (( RALINK_PCI2_STATUS & 0x1) == 0) { ++ printk("PCIE2 no card, disable it(RST&CLK)\n"); ++ ASSERT_SYSRST_PCIE(RALINK_PCIE2_RST); ++ RALINK_CLKCFG1 = (RALINK_CLKCFG1 & ~RALINK_PCIE2_CLK_EN); ++ pcie_link_status &= ~(1<<2); ++ } else { ++ pcie_link_status |= 1<<2; ++ RALINK_PCI_PCIMSK_ADDR |= (1<<22); // enable pcie2 interrupt ++ } ++#endif ++ if (pcie_link_status == 0) ++ return 0; ++ ++/* ++pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num ++3'b000 x x x ++3'b001 x x 0 ++3'b010 x 0 x ++3'b011 x 1 0 ++3'b100 0 x x ++3'b101 1 x 0 ++3'b110 1 0 x ++3'b111 2 1 0 ++*/ ++ switch(pcie_link_status) { ++ case 2: ++ RALINK_PCI_PCICFG_ADDR &= ~0x00ff0000; ++ RALINK_PCI_PCICFG_ADDR |= 0x1 << 16; //port0 ++ RALINK_PCI_PCICFG_ADDR |= 0x0 << 20; //port1 ++ break; ++ case 4: ++ RALINK_PCI_PCICFG_ADDR &= ~0x0fff0000; ++ RALINK_PCI_PCICFG_ADDR |= 0x1 << 16; //port0 ++ RALINK_PCI_PCICFG_ADDR |= 0x2 << 20; //port1 ++ RALINK_PCI_PCICFG_ADDR |= 0x0 << 24; //port2 ++ break; ++ case 5: ++ RALINK_PCI_PCICFG_ADDR &= ~0x0fff0000; ++ RALINK_PCI_PCICFG_ADDR |= 0x0 << 16; //port0 ++ RALINK_PCI_PCICFG_ADDR |= 0x2 << 20; //port1 ++ RALINK_PCI_PCICFG_ADDR |= 0x1 << 24; //port2 ++ break; ++ case 6: ++ RALINK_PCI_PCICFG_ADDR &= ~0x0fff0000; ++ RALINK_PCI_PCICFG_ADDR |= 0x2 << 16; //port0 ++ RALINK_PCI_PCICFG_ADDR |= 0x0 << 20; //port1 ++ RALINK_PCI_PCICFG_ADDR |= 0x1 << 24; //port2 ++ break; ++ } ++ printk(" -> %x\n", RALINK_PCI_PCICFG_ADDR); ++ //printk(" RALINK_PCI_ARBCTL = %x\n", RALINK_PCI_ARBCTL); ++ ++/* ++ ioport_resource.start = mt7621_res_pci_io1.start; ++ ioport_resource.end = mt7621_res_pci_io1.end; ++*/ ++ ++ RALINK_PCI_MEMBASE = 0xffffffff; //RALINK_PCI_MM_MAP_BASE; ++ RALINK_PCI_IOBASE = RALINK_PCI_IO_MAP_BASE; ++ ++#if defined (CONFIG_PCIE_PORT0) ++ //PCIe0 ++ if((pcie_link_status & 0x1) != 0) { ++ RALINK_PCI0_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE ++ RALINK_PCI0_IMBASEBAR0_ADDR = MEMORY_BASE; ++ RALINK_PCI0_CLASS = 0x06040001; ++ printk("PCIE0 enabled\n"); ++ } ++#endif ++#if defined (CONFIG_PCIE_PORT1) ++ //PCIe1 ++ if ((pcie_link_status & 0x2) != 0) { ++ RALINK_PCI1_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE ++ RALINK_PCI1_IMBASEBAR0_ADDR = MEMORY_BASE; ++ RALINK_PCI1_CLASS = 0x06040001; ++ printk("PCIE1 enabled\n"); ++ } ++#endif ++#if defined (CONFIG_PCIE_PORT2) ++ //PCIe2 ++ if ((pcie_link_status & 0x4) != 0) { ++ RALINK_PCI2_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE ++ RALINK_PCI2_IMBASEBAR0_ADDR = MEMORY_BASE; ++ RALINK_PCI2_CLASS = 0x06040001; ++ printk("PCIE2 enabled\n"); ++ } ++#endif ++ ++ ++ switch(pcie_link_status) { ++ case 7: ++ read_config(0, 2, 0, 0x4, &val); ++ write_config(0, 2, 0, 0x4, val|0x4); ++ // write_config(0, 1, 0, 0x4, val|0x7); ++ read_config(0, 2, 0, 0x70c, &val); ++ val &= ~(0xff)<<8; ++ val |= 0x50<<8; ++ write_config(0, 2, 0, 0x70c, val); ++ case 3: ++ case 5: ++ case 6: ++ read_config(0, 1, 0, 0x4, &val); ++ write_config(0, 1, 0, 0x4, val|0x4); ++ // write_config(0, 1, 0, 0x4, val|0x7); ++ read_config(0, 1, 0, 0x70c, &val); ++ val &= ~(0xff)<<8; ++ val |= 0x50<<8; ++ write_config(0, 1, 0, 0x70c, val); ++ default: ++ read_config(0, 0, 0, 0x4, &val); ++ write_config(0, 0, 0, 0x4, val|0x4); //bus master enable ++ // write_config(0, 0, 0, 0x4, val|0x7); //bus master enable ++ read_config(0, 0, 0, 0x70c, &val); ++ val &= ~(0xff)<<8; ++ val |= 0x50<<8; ++ write_config(0, 0, 0, 0x70c, val); ++ } ++ ++ pci_load_of_ranges(&mt7621_controller, pdev->dev.of_node); ++ register_pci_controller(&mt7621_controller); ++ return 0; ++ ++} ++ ++int pcibios_plat_dev_init(struct pci_dev *dev) ++{ ++ return 0; ++} ++ ++static const struct of_device_id mt7621_pci_ids[] = { ++ { .compatible = "mediatek,mt7621-pci" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mt7621_pci_ids); ++ ++static struct platform_driver mt7621_pci_driver = { ++ .probe = mt7621_pci_probe, ++ .driver = { ++ .name = "mt7621-pci", ++ .owner = THIS_MODULE, ++ .of_match_table = of_match_ptr(mt7621_pci_ids), ++ }, ++}; ++ ++static int __init mt7621_pci_init(void) ++{ ++ return platform_driver_register(&mt7621_pci_driver); ++} ++ ++arch_initcall(mt7621_pci_init); diff --git a/target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch new file mode 100644 index 0000000000..4e3d962e86 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0017-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch @@ -0,0 +1,80 @@ +From f8da5caf65926d44581d4e7914b28ceab3d28a7c Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 14 Jul 2013 23:08:11 +0200 +Subject: [PATCH 17/57] MIPS: use set_mode() to enable/disable the cevt-r4k + irq + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/kernel/cevt-r4k.c | 37 +++++++++++++++++++++++++++++++------ + 1 file changed, 31 insertions(+), 6 deletions(-) + +--- a/arch/mips/kernel/cevt-r4k.c ++++ b/arch/mips/kernel/cevt-r4k.c +@@ -29,12 +29,6 @@ static int mips_next_event(unsigned long + return res; + } + +-void mips_set_clock_mode(enum clock_event_mode mode, +- struct clock_event_device *evt) +-{ +- /* Nothing to do ... */ +-} +- + DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device); + int cp0_timer_irq_installed; + +@@ -75,9 +69,38 @@ struct irqaction c0_compare_irqaction = + .name = "timer", + }; + ++void mips_set_clock_mode(enum clock_event_mode mode, ++ struct clock_event_device *evt) ++{ ++#ifdef CONFIG_CEVT_SYSTICK_QUIRK ++ switch (mode) { ++ case CLOCK_EVT_MODE_ONESHOT: ++ if (cp0_timer_irq_installed) ++ break; ++ ++ cp0_timer_irq_installed = 1; ++ ++ setup_irq(evt->irq, &c0_compare_irqaction); ++ break; ++ ++ case CLOCK_EVT_MODE_SHUTDOWN: ++ if (!cp0_timer_irq_installed) ++ break; ++ ++ cp0_timer_irq_installed = 0; ++ free_irq(evt->irq, &c0_compare_irqaction); ++ break; ++ ++ default: ++ pr_err("Unhandeled mips clock_mode\n"); ++ break; ++ } ++#endif ++} + + void mips_event_handler(struct clock_event_device *dev) + { ++ + } + + /* +@@ -198,12 +221,14 @@ int r4k_clockevent_init(void) + + clockevents_register_device(cd); + ++#ifndef CONFIG_CEVT_SYSTICK_QUIRK + if (cp0_timer_irq_installed) + return 0; + + cp0_timer_irq_installed = 1; + + setup_irq(irq, &c0_compare_irqaction); ++#endif + + return 0; + } diff --git a/target/linux/ramips/patches-3.18/0019-MIPS-ralink-add-pseudo-pwm-led-trigger-based-on-time.patch b/target/linux/ramips/patches-3.18/0019-MIPS-ralink-add-pseudo-pwm-led-trigger-based-on-time.patch new file mode 100644 index 0000000000..eff7cda72f --- /dev/null +++ b/target/linux/ramips/patches-3.18/0019-MIPS-ralink-add-pseudo-pwm-led-trigger-based-on-time.patch @@ -0,0 +1,300 @@ +From 9de00286e20a5f5edc419698373010f1cb6ff0ce Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:25:02 +0100 +Subject: [PATCH 19/57] MIPS: ralink: add pseudo pwm led trigger based on + timer0 + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/timer.c | 213 ++++++++++++++++++++++++++++++++++++++++++---- + 1 file changed, 197 insertions(+), 16 deletions(-) + +--- a/arch/mips/ralink/timer.c ++++ b/arch/mips/ralink/timer.c +@@ -12,6 +12,8 @@ + #include <linux/timer.h> + #include <linux/of_gpio.h> + #include <linux/clk.h> ++#include <linux/leds.h> ++#include <linux/slab.h> + + #include <asm/mach-ralink/ralink_regs.h> + +@@ -23,16 +25,34 @@ + + #define TMR0CTL_ENABLE BIT(7) + #define TMR0CTL_MODE_PERIODIC BIT(4) +-#define TMR0CTL_PRESCALER 1 ++#define TMR0CTL_PRESCALER 2 + #define TMR0CTL_PRESCALE_VAL (0xf - TMR0CTL_PRESCALER) + #define TMR0CTL_PRESCALE_DIV (65536 / BIT(TMR0CTL_PRESCALER)) + ++struct rt_timer_gpio { ++ struct list_head list; ++ struct led_classdev *led; ++}; ++ + struct rt_timer { +- struct device *dev; +- void __iomem *membase; +- int irq; +- unsigned long timer_freq; +- unsigned long timer_div; ++ struct device *dev; ++ void __iomem *membase; ++ int irq; ++ ++ unsigned long timer_freq; ++ unsigned long timer_div; ++ ++ struct list_head gpios; ++ struct led_trigger led_trigger; ++ unsigned int duty_cycle; ++ unsigned int duty; ++ ++ unsigned int fade; ++ unsigned int fade_min; ++ unsigned int fade_max; ++ unsigned int fade_speed; ++ unsigned int fade_dir; ++ unsigned int fade_count; + }; + + static inline void rt_timer_w32(struct rt_timer *rt, u8 reg, u32 val) +@@ -48,8 +68,37 @@ static inline u32 rt_timer_r32(struct rt + static irqreturn_t rt_timer_irq(int irq, void *_rt) + { + struct rt_timer *rt = (struct rt_timer *) _rt; ++ struct rt_timer_gpio *gpio; ++ unsigned int val; + +- rt_timer_w32(rt, TIMER_REG_TMR0LOAD, rt->timer_freq / rt->timer_div); ++ if (rt->fade && (rt->fade_count++ > rt->fade_speed)) { ++ rt->fade_count = 0; ++ if (rt->duty_cycle <= rt->fade_min) ++ rt->fade_dir = 1; ++ else if (rt->duty_cycle >= rt->fade_max) ++ rt->fade_dir = 0; ++ ++ if (rt->fade_dir) ++ rt->duty_cycle += 1; ++ else ++ rt->duty_cycle -= 1; ++ ++ } ++ ++ val = rt->timer_freq / rt->timer_div; ++ if (rt->duty) ++ val *= rt->duty_cycle; ++ else ++ val *= (100 - rt->duty_cycle); ++ val /= 100; ++ ++ if (!list_empty(&rt->gpios)) ++ list_for_each_entry(gpio, &rt->gpios, list) ++ led_set_brightness(gpio->led, !!rt->duty); ++ ++ rt->duty = !rt->duty; ++ ++ rt_timer_w32(rt, TIMER_REG_TMR0LOAD, val + 1); + rt_timer_w32(rt, TIMER_REG_TMRSTAT, TMRSTAT_TMR0INT); + + return IRQ_HANDLED; +@@ -58,8 +107,8 @@ static irqreturn_t rt_timer_irq(int irq, + + static int rt_timer_request(struct rt_timer *rt) + { +- int err = request_irq(rt->irq, rt_timer_irq, 0, +- dev_name(rt->dev), rt); ++ int err = devm_request_irq(rt->dev, rt->irq, rt_timer_irq, ++ 0, dev_name(rt->dev), rt); + if (err) { + dev_err(rt->dev, "failed to request irq\n"); + } else { +@@ -81,8 +130,6 @@ static int rt_timer_config(struct rt_tim + else + rt->timer_div = divisor; + +- rt_timer_w32(rt, TIMER_REG_TMR0LOAD, rt->timer_freq / rt->timer_div); +- + return 0; + } + +@@ -108,11 +155,128 @@ static void rt_timer_disable(struct rt_t + rt_timer_w32(rt, TIMER_REG_TMR0CTL, t); + } + ++static ssize_t led_fade_show(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ struct led_classdev *led_cdev = dev_get_drvdata(dev); ++ struct rt_timer *rt = container_of(led_cdev->trigger, struct rt_timer, led_trigger); ++ ++ return sprintf(buf, "speed: %d, min: %d, max: %d\n", rt->fade_speed, rt->fade_min, rt->fade_max); ++} ++ ++static ssize_t led_fade_store(struct device *dev, ++ struct device_attribute *attr, const char *buf, size_t size) ++{ ++ struct led_classdev *led_cdev = dev_get_drvdata(dev); ++ struct rt_timer *rt = container_of(led_cdev->trigger, struct rt_timer, led_trigger); ++ unsigned int speed = 0, min = 0, max = 0; ++ ssize_t ret = -EINVAL; ++ ++ ret = sscanf(buf, "%u %u %u", &speed, &min, &max); ++ ++ if (ret == 3) { ++ rt->fade_speed = speed; ++ rt->fade_min = min; ++ rt->fade_max = max; ++ rt->fade = 1; ++ } else { ++ rt->fade = 0; ++ } ++ ++ return size; ++} ++ ++static DEVICE_ATTR(fade, 0644, led_fade_show, led_fade_store); ++ ++static ssize_t led_duty_cycle_show(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ struct led_classdev *led_cdev = dev_get_drvdata(dev); ++ struct rt_timer *rt = container_of(led_cdev->trigger, struct rt_timer, led_trigger); ++ ++ return sprintf(buf, "%u\n", rt->duty_cycle); ++} ++ ++static ssize_t led_duty_cycle_store(struct device *dev, ++ struct device_attribute *attr, const char *buf, size_t size) ++{ ++ struct led_classdev *led_cdev = dev_get_drvdata(dev); ++ struct rt_timer *rt = container_of(led_cdev->trigger, struct rt_timer, led_trigger); ++ unsigned long state; ++ ssize_t ret = -EINVAL; ++ ++ ret = kstrtoul(buf, 10, &state); ++ if (ret) ++ return ret; ++ ++ if (state <= 100) ++ rt->duty_cycle = state; ++ else ++ rt->duty_cycle = 100; ++ ++ rt->fade = 0; ++ ++ return size; ++} ++ ++static DEVICE_ATTR(duty_cycle, 0644, led_duty_cycle_show, led_duty_cycle_store); ++ ++static void rt_timer_trig_activate(struct led_classdev *led_cdev) ++{ ++ struct rt_timer *rt = container_of(led_cdev->trigger, struct rt_timer, led_trigger); ++ struct rt_timer_gpio *gpio_data; ++ int rc; ++ ++ led_cdev->trigger_data = NULL; ++ gpio_data = kzalloc(sizeof(*gpio_data), GFP_KERNEL); ++ if (!gpio_data) ++ return; ++ ++ rc = device_create_file(led_cdev->dev, &dev_attr_duty_cycle); ++ if (rc) ++ goto err_gpio; ++ rc = device_create_file(led_cdev->dev, &dev_attr_fade); ++ if (rc) ++ goto err_out_duty_cycle; ++ ++ led_cdev->activated = true; ++ led_cdev->trigger_data = gpio_data; ++ gpio_data->led = led_cdev; ++ list_add(&gpio_data->list, &rt->gpios); ++ led_cdev->trigger_data = gpio_data; ++ rt_timer_enable(rt); ++ return; ++ ++err_out_duty_cycle: ++ device_remove_file(led_cdev->dev, &dev_attr_duty_cycle); ++ ++err_gpio: ++ kfree(gpio_data); ++} ++ ++static void rt_timer_trig_deactivate(struct led_classdev *led_cdev) ++{ ++ struct rt_timer *rt = container_of(led_cdev->trigger, struct rt_timer, led_trigger); ++ struct rt_timer_gpio *gpio_data = (struct rt_timer_gpio*) led_cdev->trigger_data; ++ ++ if (led_cdev->activated) { ++ device_remove_file(led_cdev->dev, &dev_attr_duty_cycle); ++ device_remove_file(led_cdev->dev, &dev_attr_fade); ++ led_cdev->activated = false; ++ } ++ ++ list_del(&gpio_data->list); ++ rt_timer_disable(rt); ++ led_set_brightness(led_cdev, LED_OFF); ++} ++ + static int rt_timer_probe(struct platform_device *pdev) + { + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ const __be32 *divisor; + struct rt_timer *rt; + struct clk *clk; ++ int ret; + + rt = devm_kzalloc(&pdev->dev, sizeof(*rt), GFP_KERNEL); + if (!rt) { +@@ -140,12 +304,29 @@ static int rt_timer_probe(struct platfor + if (!rt->timer_freq) + return -EINVAL; + ++ rt->duty_cycle = 100; + rt->dev = &pdev->dev; + platform_set_drvdata(pdev, rt); + +- rt_timer_request(rt); +- rt_timer_config(rt, 2); +- rt_timer_enable(rt); ++ ret = rt_timer_request(rt); ++ if (ret) ++ return ret; ++ ++ divisor = of_get_property(pdev->dev.of_node, "ralink,divisor", NULL); ++ if (divisor) ++ rt_timer_config(rt, be32_to_cpu(*divisor)); ++ else ++ rt_timer_config(rt, 200); ++ ++ rt->led_trigger.name = "pwmtimer", ++ rt->led_trigger.activate = rt_timer_trig_activate, ++ rt->led_trigger.deactivate = rt_timer_trig_deactivate, ++ ++ ret = led_trigger_register(&rt->led_trigger); ++ if (ret) ++ return ret; ++ ++ INIT_LIST_HEAD(&rt->gpios); + + dev_info(&pdev->dev, "maximum frequency is %luHz\n", rt->timer_freq); + +@@ -156,6 +337,7 @@ static int rt_timer_remove(struct platfo + { + struct rt_timer *rt = platform_get_drvdata(pdev); + ++ led_trigger_unregister(&rt->led_trigger); + rt_timer_disable(rt); + rt_timer_free(rt); + +@@ -180,6 +362,6 @@ static struct platform_driver rt_timer_d + + module_platform_driver(rt_timer_driver); + +-MODULE_DESCRIPTION("Ralink RT2880 timer"); ++MODULE_DESCRIPTION("Ralink RT2880 timer / pseudo pwm"); + MODULE_AUTHOR("John Crispin <blogic@openwrt.org"); + MODULE_LICENSE("GPL"); diff --git a/target/linux/ramips/patches-3.18/0021-MIPS-ralink-add-cpu-frequency-scaling.patch b/target/linux/ramips/patches-3.18/0021-MIPS-ralink-add-cpu-frequency-scaling.patch new file mode 100644 index 0000000000..0e567cb2f0 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0021-MIPS-ralink-add-cpu-frequency-scaling.patch @@ -0,0 +1,95 @@ +From e76ecd496c9b074ab21b17f12494d823a407e89a Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 28 Jul 2013 16:26:41 +0200 +Subject: [PATCH 21/57] MIPS: ralink: add cpu frequency scaling + +This feature will break udelay() and cause the delay loop to have longer delays +when the frequency is scaled causing a performance hit. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/cevt-rt3352.c | 36 ++++++++++++++++++++++++++++++++++++ + 1 file changed, 36 insertions(+) + +--- a/arch/mips/ralink/cevt-rt3352.c ++++ b/arch/mips/ralink/cevt-rt3352.c +@@ -29,6 +29,10 @@ + /* enable the counter */ + #define CFG_CNT_EN 0x1 + ++/* mt7620 frequency scaling defines */ ++#define CLK_LUT_CFG 0x40 ++#define SLEEP_EN BIT(31) ++ + struct systick_device { + void __iomem *membase; + struct clock_event_device dev; +@@ -36,6 +40,8 @@ struct systick_device { + int freq_scale; + }; + ++static void (*systick_freq_scaling)(struct systick_device *sdev, int status); ++ + static void systick_set_clock_mode(enum clock_event_mode mode, + struct clock_event_device *evt); + +@@ -87,6 +93,21 @@ static struct irqaction systick_irqactio + .dev_id = &systick.dev, + }; + ++static inline void mt7620_freq_scaling(struct systick_device *sdev, int status) ++{ ++ if (sdev->freq_scale == status) ++ return; ++ ++ sdev->freq_scale = status; ++ ++ pr_info("%s: %s autosleep mode\n", systick.dev.name, ++ (status) ? ("enable") : ("disable")); ++ if (status) ++ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) | SLEEP_EN, CLK_LUT_CFG); ++ else ++ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) & ~SLEEP_EN, CLK_LUT_CFG); ++} ++ + static void systick_set_clock_mode(enum clock_event_mode mode, + struct clock_event_device *evt) + { +@@ -101,9 +122,13 @@ static void systick_set_clock_mode(enum + sdev->irq_requested = 1; + iowrite32(CFG_EXT_STK_EN | CFG_CNT_EN, + systick.membase + SYSTICK_CONFIG); ++ if (systick_freq_scaling) ++ systick_freq_scaling(sdev, 1); + break; + + case CLOCK_EVT_MODE_SHUTDOWN: ++ if (systick_freq_scaling) ++ systick_freq_scaling(sdev, 0); + if (sdev->irq_requested) + free_irq(systick.dev.irq, &systick_irqaction); + sdev->irq_requested = 0; +@@ -116,12 +141,23 @@ static void systick_set_clock_mode(enum + } + } + ++static const struct of_device_id systick_match[] = { ++ { .compatible = "ralink,mt7620-systick", .data = mt7620_freq_scaling}, ++ {}, ++}; ++ + static void __init ralink_systick_init(struct device_node *np) + { ++ const struct of_device_id *match; ++ + systick.membase = of_iomap(np, 0); + if (!systick.membase) + return; + ++ match = of_match_node(systick_match, np); ++ if (match) ++ systick_freq_scaling = match->data; ++ + systick_irqaction.name = np->name; + systick.dev.name = np->name; + clockevents_calc_mult_shift(&systick.dev, SYSTICK_FREQ, 60); diff --git a/target/linux/ramips/patches-3.18/0022-MIPS-ralink-copy-the-commandline-from-the-devicetree.patch b/target/linux/ramips/patches-3.18/0022-MIPS-ralink-copy-the-commandline-from-the-devicetree.patch new file mode 100644 index 0000000000..96617e8e65 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0022-MIPS-ralink-copy-the-commandline-from-the-devicetree.patch @@ -0,0 +1,21 @@ +From ec26251ea980b1ee88733f178a4e86e3c70fd244 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 4 Aug 2014 18:46:02 +0200 +Subject: [PATCH 22/57] MIPS: ralink: copy the commandline from the devicetree + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/of.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -74,6 +74,8 @@ void __init plat_mem_setup(void) + */ + __dt_setup_arch(__dtb_start); + ++ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); ++ + of_scan_flat_dt(early_init_dt_find_memory, NULL); + if (memory_dtb) + of_scan_flat_dt(early_init_dt_scan_memory, NULL); diff --git a/target/linux/ramips/patches-3.18/0023-MIPS-ralink-mt7620-fix-usb-issue-during-frequency-sc.patch b/target/linux/ramips/patches-3.18/0023-MIPS-ralink-mt7620-fix-usb-issue-during-frequency-sc.patch new file mode 100644 index 0000000000..f3dead3859 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0023-MIPS-ralink-mt7620-fix-usb-issue-during-frequency-sc.patch @@ -0,0 +1,52 @@ +From 1f1c12e85defba9459b41ec95b86f23b4791f1ab Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 4 Aug 2014 20:43:25 +0200 +Subject: [PATCH 23/57] MIPS: ralink: mt7620: fix usb issue during frequency + scaling + + If the USB HCD is running and the cpu is scaled too low, then the USB stops + working. Increase the idle speed of the core to fix this if the kernel is + built with USB support. + + The values are taken from the Ralink SDK Kernel. + + Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/mt7620.c | 19 +++++++++++++++++++ + 1 file changed, 19 insertions(+) + +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -36,6 +36,12 @@ + #define PMU1_CFG 0x8C + #define DIG_SW_SEL BIT(25) + ++/* clock scaling */ ++#define CLKCFG_FDIV_MASK 0x1f00 ++#define CLKCFG_FDIV_USB_VAL 0x0300 ++#define CLKCFG_FFRAC_MASK 0x001f ++#define CLKCFG_FFRAC_USB_VAL 0x0003 ++ + /* does the board have sdram or ddram */ + static int dram_type; + +@@ -337,6 +343,19 @@ void __init ralink_clk_init(void) + ralink_clk_add("10000b00.spi", sys_rate); + ralink_clk_add("10000c00.uartlite", periph_rate); + ralink_clk_add("10180000.wmac", xtal_rate); ++ ++ if (IS_ENABLED(CONFIG_USB)) { ++ /* ++ * When the CPU goes into sleep mode, the BUS clock will be too low for ++ * USB to function properly ++ */ ++ u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); ++ ++ val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK); ++ val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL; ++ ++ rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG); ++ } + } + + void __init ralink_of_remap(void) diff --git a/target/linux/ramips/patches-3.18/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch b/target/linux/ramips/patches-3.18/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch new file mode 100644 index 0000000000..f21ca3c7de --- /dev/null +++ b/target/linux/ramips/patches-3.18/0025-MIPS-ralink-allow-loading-irq-registers-from-the-dev.patch @@ -0,0 +1,75 @@ +From b1cc9a15f6ead8dbd849257e42d69a5799fb7597 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Wed, 6 Aug 2014 18:24:36 +0200 +Subject: [PATCH 25/57] MIPS: ralink: allow loading irq registers from the + devicetree + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/irq.c | 33 +++++++++++++++++++++++---------- + 1 file changed, 23 insertions(+), 10 deletions(-) + +--- a/arch/mips/ralink/irq.c ++++ b/arch/mips/ralink/irq.c +@@ -20,14 +20,6 @@ + + #include "common.h" + +-/* INTC register offsets */ +-#define INTC_REG_STATUS0 0x00 +-#define INTC_REG_STATUS1 0x04 +-#define INTC_REG_TYPE 0x20 +-#define INTC_REG_RAW_STATUS 0x30 +-#define INTC_REG_ENABLE 0x34 +-#define INTC_REG_DISABLE 0x38 +- + #define INTC_INT_GLOBAL BIT(31) + + #define RALINK_CPU_IRQ_INTC (MIPS_CPU_IRQ_BASE + 2) +@@ -44,16 +36,34 @@ + + #define RALINK_INTC_IRQ_PERFC (RALINK_INTC_IRQ_BASE + 9) + ++enum rt_intc_regs_enum { ++ INTC_REG_STATUS0 = 0, ++ INTC_REG_STATUS1, ++ INTC_REG_TYPE, ++ INTC_REG_RAW_STATUS, ++ INTC_REG_ENABLE, ++ INTC_REG_DISABLE, ++}; ++ ++static u32 rt_intc_regs[] = { ++ [INTC_REG_STATUS0] = 0x00, ++ [INTC_REG_STATUS1] = 0x04, ++ [INTC_REG_TYPE] = 0x20, ++ [INTC_REG_RAW_STATUS] = 0x30, ++ [INTC_REG_ENABLE] = 0x34, ++ [INTC_REG_DISABLE] = 0x38, ++}; ++ + static void __iomem *rt_intc_membase; + + static inline void rt_intc_w32(u32 val, unsigned reg) + { +- __raw_writel(val, rt_intc_membase + reg); ++ __raw_writel(val, rt_intc_membase + rt_intc_regs[reg]); + } + + static inline u32 rt_intc_r32(unsigned reg) + { +- return __raw_readl(rt_intc_membase + reg); ++ return __raw_readl(rt_intc_membase + rt_intc_regs[reg]); + } + + static void ralink_intc_irq_unmask(struct irq_data *d) +@@ -134,6 +144,9 @@ static int __init intc_of_init(struct de + struct irq_domain *domain; + int irq; + ++ if (!of_property_read_u32_array(node, "ralink,intc-registers", rt_intc_regs, 6)) ++ pr_info("intc: using register map from devicetree\n"); ++ + irq = irq_of_parse_and_map(node, 0); + if (!irq) + panic("Failed to get INTC IRQ"); diff --git a/target/linux/ramips/patches-3.18/0026-MIPS-ralink-add-mt7628an-support.patch b/target/linux/ramips/patches-3.18/0026-MIPS-ralink-add-mt7628an-support.patch new file mode 100644 index 0000000000..043e4a39e2 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0026-MIPS-ralink-add-mt7628an-support.patch @@ -0,0 +1,396 @@ +From a375beba066516ecafddebc765454ac6ec599f3d Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Wed, 6 Aug 2014 18:26:08 +0200 +Subject: [PATCH 26/57] MIPS: ralink: add mt7628an support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/mach-ralink/mt7620.h | 11 ++ + arch/mips/ralink/Kconfig | 2 +- + arch/mips/ralink/mt7620.c | 266 +++++++++++++++++++++++----- + 3 files changed, 232 insertions(+), 47 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -13,6 +13,13 @@ + #ifndef _MT7620_REGS_H_ + #define _MT7620_REGS_H_ + ++enum mt762x_soc_type { ++ MT762X_SOC_UNKNOWN = 0, ++ MT762X_SOC_MT7620A, ++ MT762X_SOC_MT7620N, ++ MT762X_SOC_MT7628AN, ++}; ++ + #define MT7620_SYSC_BASE 0x10000000 + + #define SYSC_REG_CHIP_NAME0 0x00 +@@ -27,6 +34,7 @@ + + #define MT7620_CHIP_NAME0 0x3637544d + #define MT7620_CHIP_NAME1 0x20203032 ++#define MT7628_CHIP_NAME1 0x20203832 + + #define SYSCFG0_XTAL_FREQ_SEL BIT(6) + +@@ -71,6 +79,9 @@ + #define SYSCFG0_DRAM_TYPE_DDR1 1 + #define SYSCFG0_DRAM_TYPE_DDR2 2 + ++#define SYSCFG0_DRAM_TYPE_DDR2_MT7628 0 ++#define SYSCFG0_DRAM_TYPE_DDR1_MT7628 1 ++ + #define MT7620_DRAM_BASE 0x0 + #define MT7620_SDRAM_SIZE_MIN 2 + #define MT7620_SDRAM_SIZE_MAX 64 +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -31,7 +31,7 @@ choice + select HW_HAS_PCI + + config SOC_MT7620 +- bool "MT7620" ++ bool "MT7620/8" + + config SOC_MT7621 + bool "MT7621" +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -42,6 +42,8 @@ + #define CLKCFG_FFRAC_MASK 0x001f + #define CLKCFG_FFRAC_USB_VAL 0x0003 + ++enum mt762x_soc_type mt762x_soc; ++ + /* does the board have sdram or ddram */ + static int dram_type; + +@@ -159,6 +161,125 @@ struct ralink_pinmux rt_gpio_pinmux = { + .uart_mask = MT7620_GPIO_MODE_UART0_MASK, + }; + ++static struct rt2880_pmx_func pwm1_grp_mt7628[] = { ++ FUNC("sdcx", 3, 19, 1), ++ FUNC("utif", 2, 19, 1), ++ FUNC("gpio", 1, 19, 1), ++ FUNC("pwm", 0, 19, 1), ++}; ++ ++static struct rt2880_pmx_func pwm0_grp_mt7628[] = { ++ FUNC("sdcx", 3, 18, 1), ++ FUNC("utif", 2, 18, 1), ++ FUNC("gpio", 1, 18, 1), ++ FUNC("pwm", 0, 18, 1), ++}; ++ ++static struct rt2880_pmx_func uart2_grp_mt7628[] = { ++ FUNC("sdcx", 3, 20, 2), ++ FUNC("pwm", 2, 20, 2), ++ FUNC("gpio", 1, 20, 2), ++ FUNC("uart", 0, 20, 2), ++}; ++ ++static struct rt2880_pmx_func uart1_grp_mt7628[] = { ++ FUNC("sdcx", 3, 45, 2), ++ FUNC("pwm", 2, 45, 2), ++ FUNC("gpio", 1, 45, 2), ++ FUNC("uart", 0, 45, 2), ++}; ++ ++static struct rt2880_pmx_func i2c_grp_mt7628[] = { ++ FUNC("-", 3, 4, 2), ++ FUNC("debug", 2, 4, 2), ++ FUNC("gpio", 1, 4, 2), ++ FUNC("i2c", 0, 4, 2), ++}; ++ ++static struct rt2880_pmx_func refclk_grp_mt7628[] = { FUNC("reclk", 0, 36, 1) }; ++static struct rt2880_pmx_func perst_grp_mt7628[] = { FUNC("perst", 0, 37, 1) }; ++static struct rt2880_pmx_func wdt_grp_mt7628[] = { FUNC("wdt", 0, 15, 38) }; ++static struct rt2880_pmx_func spi_grp_mt7628[] = { FUNC("spi", 0, 7, 4) }; ++ ++static struct rt2880_pmx_func sd_mode_grp_mt7628[] = { ++ FUNC("jtag", 3, 22, 8), ++ FUNC("utif", 2, 22, 8), ++ FUNC("gpio", 1, 22, 8), ++ FUNC("sdcx", 0, 22, 8), ++}; ++ ++static struct rt2880_pmx_func uart0_grp_mt7628[] = { ++ FUNC("-", 3, 12, 2), ++ FUNC("-", 2, 12, 2), ++ FUNC("gpio", 1, 12, 2), ++ FUNC("uart", 0, 12, 2), ++}; ++ ++static struct rt2880_pmx_func i2s_grp_mt7628[] = { ++ FUNC("antenna", 3, 0, 4), ++ FUNC("pcm", 2, 0, 4), ++ FUNC("gpio", 1, 0, 4), ++ FUNC("i2s", 0, 0, 4), ++}; ++ ++static struct rt2880_pmx_func spi_cs1_grp_mt7628[] = { ++ FUNC("-", 3, 6, 1), ++ FUNC("refclk", 2, 6, 1), ++ FUNC("gpio", 1, 6, 1), ++ FUNC("spi", 0, 6, 1), ++}; ++ ++static struct rt2880_pmx_func spis_grp_mt7628[] = { ++ FUNC("pwm", 3, 14, 4), ++ FUNC("util", 2, 14, 4), ++ FUNC("gpio", 1, 14, 4), ++ FUNC("spis", 0, 14, 4), ++}; ++ ++static struct rt2880_pmx_func gpio_grp_mt7628[] = { ++ FUNC("pcie", 3, 11, 1), ++ FUNC("refclk", 2, 11, 1), ++ FUNC("gpio", 1, 11, 1), ++ FUNC("gpio", 0, 11, 1), ++}; ++ ++#define MT7628_GPIO_MODE_MASK 0x3 ++ ++#define MT7628_GPIO_MODE_PWM1 30 ++#define MT7628_GPIO_MODE_PWM0 28 ++#define MT7628_GPIO_MODE_UART2 26 ++#define MT7628_GPIO_MODE_UART1 24 ++#define MT7628_GPIO_MODE_I2C 20 ++#define MT7628_GPIO_MODE_REFCLK 18 ++#define MT7628_GPIO_MODE_PERST 16 ++#define MT7628_GPIO_MODE_WDT 14 ++#define MT7628_GPIO_MODE_SPI 12 ++#define MT7628_GPIO_MODE_SDMODE 10 ++#define MT7628_GPIO_MODE_UART0 8 ++#define MT7628_GPIO_MODE_I2S 6 ++#define MT7628_GPIO_MODE_CS1 4 ++#define MT7628_GPIO_MODE_SPIS 2 ++#define MT7628_GPIO_MODE_GPIO 0 ++ ++static struct rt2880_pmx_group mt7628an_pinmux_data[] = { ++ GRP_G("pmw1", pwm1_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_PWM1), ++ GRP_G("pmw1", pwm0_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_PWM0), ++ GRP_G("uart2", uart2_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_UART2), ++ GRP_G("uart1", uart1_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_UART1), ++ GRP_G("i2c", i2c_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_I2C), ++ GRP("refclk", refclk_grp_mt7628, 1, MT7628_GPIO_MODE_REFCLK), ++ GRP("perst", perst_grp_mt7628, 1, MT7628_GPIO_MODE_PERST), ++ GRP("wdt", wdt_grp_mt7628, 1, MT7628_GPIO_MODE_WDT), ++ GRP("spi", spi_grp_mt7628, 1, MT7628_GPIO_MODE_SPI), ++ GRP_G("sdmode", sd_mode_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_SDMODE), ++ GRP_G("uart0", uart0_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_UART0), ++ GRP_G("i2s", i2s_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_I2S), ++ GRP_G("spi cs1", spi_cs1_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_CS1), ++ GRP_G("spis", spis_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_SPIS), ++ GRP_G("gpio", gpio_grp_mt7628, MT7628_GPIO_MODE_MASK, 1, MT7628_GPIO_MODE_GPIO), ++ { 0 } ++}; ++ + static __init u32 + mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div) + { +@@ -309,29 +430,42 @@ void __init ralink_clk_init(void) + + xtal_rate = mt7620_get_xtal_rate(); + +- cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate); +- pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate); +- +- cpu_rate = mt7620_get_cpu_rate(pll_rate); +- dram_rate = mt7620_get_dram_rate(pll_rate); +- sys_rate = mt7620_get_sys_rate(cpu_rate); +- periph_rate = mt7620_get_periph_rate(xtal_rate); +- + #define RFMT(label) label ":%lu.%03luMHz " + #define RINT(x) ((x) / 1000000) + #define RFRAC(x) (((x) / 1000) % 1000) + +- pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"), +- RINT(xtal_rate), RFRAC(xtal_rate), +- RINT(cpu_pll_rate), RFRAC(cpu_pll_rate), +- RINT(pll_rate), RFRAC(pll_rate)); ++ if (mt762x_soc == MT762X_SOC_MT7628AN) { ++ if (xtal_rate == MHZ(40)) ++ cpu_rate = MHZ(580); ++ else ++ cpu_rate = MHZ(575); ++ dram_rate = sys_rate = cpu_rate / 3; ++ periph_rate = MHZ(40); ++ ++ ralink_clk_add("10000d00.uartlite", periph_rate); ++ ralink_clk_add("10000e00.uartlite", periph_rate); ++ } else { ++ cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate); ++ pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate); ++ ++ cpu_rate = mt7620_get_cpu_rate(pll_rate); ++ dram_rate = mt7620_get_dram_rate(pll_rate); ++ sys_rate = mt7620_get_sys_rate(cpu_rate); ++ periph_rate = mt7620_get_periph_rate(xtal_rate); ++ ++ pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"), ++ RINT(xtal_rate), RFRAC(xtal_rate), ++ RINT(cpu_pll_rate), RFRAC(cpu_pll_rate), ++ RINT(pll_rate), RFRAC(pll_rate)); ++ ++ ralink_clk_add("10000500.uart", periph_rate); ++ } + + pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"), + RINT(cpu_rate), RFRAC(cpu_rate), + RINT(dram_rate), RFRAC(dram_rate), + RINT(sys_rate), RFRAC(sys_rate), + RINT(periph_rate), RFRAC(periph_rate)); +- + #undef RFRAC + #undef RINT + #undef RFMT +@@ -339,12 +473,11 @@ void __init ralink_clk_init(void) + ralink_clk_add("cpu", cpu_rate); + ralink_clk_add("10000100.timer", periph_rate); + ralink_clk_add("10000120.watchdog", periph_rate); +- ralink_clk_add("10000500.uart", periph_rate); + ralink_clk_add("10000b00.spi", sys_rate); + ralink_clk_add("10000c00.uartlite", periph_rate); + ralink_clk_add("10180000.wmac", xtal_rate); + +- if (IS_ENABLED(CONFIG_USB)) { ++ if (IS_ENABLED(CONFIG_USB) && mt762x_soc != MT762X_SOC_MT7628AN) { + /* + * When the CPU goes into sleep mode, the BUS clock will be too low for + * USB to function properly +@@ -367,6 +500,52 @@ void __init ralink_of_remap(void) + panic("Failed to remap core resources"); + } + ++static __init void ++mt7620_dram_init(struct ralink_soc_info *soc_info) ++{ ++ switch (dram_type) { ++ case SYSCFG0_DRAM_TYPE_SDRAM: ++ pr_info("Board has SDRAM\n"); ++ soc_info->mem_size_min = MT7620_SDRAM_SIZE_MIN; ++ soc_info->mem_size_max = MT7620_SDRAM_SIZE_MAX; ++ break; ++ ++ case SYSCFG0_DRAM_TYPE_DDR1: ++ pr_info("Board has DDR1\n"); ++ soc_info->mem_size_min = MT7620_DDR1_SIZE_MIN; ++ soc_info->mem_size_max = MT7620_DDR1_SIZE_MAX; ++ break; ++ ++ case SYSCFG0_DRAM_TYPE_DDR2: ++ pr_info("Board has DDR2\n"); ++ soc_info->mem_size_min = MT7620_DDR2_SIZE_MIN; ++ soc_info->mem_size_max = MT7620_DDR2_SIZE_MAX; ++ break; ++ default: ++ BUG(); ++ } ++} ++ ++static __init void ++mt7628_dram_init(struct ralink_soc_info *soc_info) ++{ ++ switch (dram_type) { ++ case SYSCFG0_DRAM_TYPE_DDR1_MT7628: ++ pr_info("Board has DDR1\n"); ++ soc_info->mem_size_min = MT7620_DDR1_SIZE_MIN; ++ soc_info->mem_size_max = MT7620_DDR1_SIZE_MAX; ++ break; ++ ++ case SYSCFG0_DRAM_TYPE_DDR2_MT7628: ++ pr_info("Board has DDR2\n"); ++ soc_info->mem_size_min = MT7620_DDR2_SIZE_MIN; ++ soc_info->mem_size_max = MT7620_DDR2_SIZE_MAX; ++ break; ++ default: ++ BUG(); ++ } ++} ++ + void prom_soc_init(struct ralink_soc_info *soc_info) + { + void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7620_SYSC_BASE); +@@ -384,18 +563,25 @@ void prom_soc_init(struct ralink_soc_inf + rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); + bga = (rev >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK; + +- if (n0 != MT7620_CHIP_NAME0 || n1 != MT7620_CHIP_NAME1) +- panic("mt7620: unknown SoC, n0:%08x n1:%08x\n", n0, n1); +- +- if (bga) { +- name = "MT7620A"; +- soc_info->compatible = "ralink,mt7620a-soc"; +- } else { +- name = "MT7620N"; +- soc_info->compatible = "ralink,mt7620n-soc"; ++ if (n0 == MT7620_CHIP_NAME0 && n1 == MT7620_CHIP_NAME1) { ++ if (bga) { ++ mt762x_soc = MT762X_SOC_MT7620A; ++ name = "MT7620A"; ++ soc_info->compatible = "ralink,mt7620a-soc"; ++ } else { ++ mt762x_soc = MT762X_SOC_MT7620N; ++ name = "MT7620N"; ++ soc_info->compatible = "ralink,mt7620n-soc"; + #ifdef CONFIG_PCI +- panic("mt7620n is only supported for non pci kernels"); ++ panic("mt7620n is only supported for non pci kernels"); + #endif ++ } ++ } else if (n0 == MT7620_CHIP_NAME0 && n1 == MT7628_CHIP_NAME1) { ++ mt762x_soc = MT762X_SOC_MT7628AN; ++ name = "MT7628AN"; ++ soc_info->compatible = "ralink,mt7628an-soc"; ++ } else { ++ panic("mt762x: unknown SoC, n0:%08x n1:%08x\n", n0, n1); + } + + snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, +@@ -407,28 +593,11 @@ void prom_soc_init(struct ralink_soc_inf + cfg0 = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG0); + dram_type = (cfg0 >> SYSCFG0_DRAM_TYPE_SHIFT) & SYSCFG0_DRAM_TYPE_MASK; + +- switch (dram_type) { +- case SYSCFG0_DRAM_TYPE_SDRAM: +- pr_info("Board has SDRAM\n"); +- soc_info->mem_size_min = MT7620_SDRAM_SIZE_MIN; +- soc_info->mem_size_max = MT7620_SDRAM_SIZE_MAX; +- break; +- +- case SYSCFG0_DRAM_TYPE_DDR1: +- pr_info("Board has DDR1\n"); +- soc_info->mem_size_min = MT7620_DDR1_SIZE_MIN; +- soc_info->mem_size_max = MT7620_DDR1_SIZE_MAX; +- break; +- +- case SYSCFG0_DRAM_TYPE_DDR2: +- pr_info("Board has DDR2\n"); +- soc_info->mem_size_min = MT7620_DDR2_SIZE_MIN; +- soc_info->mem_size_max = MT7620_DDR2_SIZE_MAX; +- break; +- default: +- BUG(); +- } + soc_info->mem_base = MT7620_DRAM_BASE; ++ if (mt762x_soc == MT762X_SOC_MT7628AN) ++ mt7628_dram_init(soc_info); ++ else ++ mt7620_dram_init(soc_info); + + pmu0 = __raw_readl(sysc + PMU0_CFG); + pmu1 = __raw_readl(sysc + PMU1_CFG); +@@ -437,4 +606,9 @@ void prom_soc_init(struct ralink_soc_inf + (pmu0 & PMU_SW_SET) ? ("sw") : ("hw")); + pr_info("Digital PMU set to %s control\n", + (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw")); ++ ++ if (mt762x_soc == MT762X_SOC_MT7628AN) ++ rt2880_pinmux_data = mt7628an_pinmux_data; ++ else ++ rt2880_pinmux_data = mt7620a_pinmux_data; + } diff --git a/target/linux/ramips/patches-3.18/0027-serial-ralink-adds-mt7620-serial.patch b/target/linux/ramips/patches-3.18/0027-serial-ralink-adds-mt7620-serial.patch new file mode 100644 index 0000000000..c7f59c1638 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0027-serial-ralink-adds-mt7620-serial.patch @@ -0,0 +1,23 @@ +From 0b24e0e6bf2d9a1ca5f95446bc025dafc226998c Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Fri, 15 Mar 2013 18:16:01 +0100 +Subject: [PATCH 27/57] serial: ralink: adds mt7620 serial + +Add the config symbol for Mediatek7620 SoC to SERIAL_8250_RT288X + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/tty/serial/8250/Kconfig | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/tty/serial/8250/Kconfig ++++ b/drivers/tty/serial/8250/Kconfig +@@ -297,7 +297,7 @@ config SERIAL_8250_EM + + config SERIAL_8250_RT288X + bool "Ralink RT288x/RT305x/RT3662/RT3883 serial port support" +- depends on SERIAL_8250 && (SOC_RT288X || SOC_RT305X || SOC_RT3883) ++ depends on SERIAL_8250 && (SOC_RT288X || SOC_RT305X || SOC_RT3883 || SOC_MT7620) + help + If you have a Ralink RT288x/RT305x SoC based board and want to use the + serial port, say Y to this option. The driver can handle up to 2 serial diff --git a/target/linux/ramips/patches-3.18/0028-serial-ralink-the-core-has-a-size-of-0x100-and-not-0.patch b/target/linux/ramips/patches-3.18/0028-serial-ralink-the-core-has-a-size-of-0x100-and-not-0.patch new file mode 100644 index 0000000000..82473d2f53 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0028-serial-ralink-the-core-has-a-size-of-0x100-and-not-0.patch @@ -0,0 +1,22 @@ +From b9ba09038dab4d824176ea2c2f2b73f49b567217 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 16 Mar 2014 04:52:01 +0000 +Subject: [PATCH 28/57] serial: ralink: the core has a size of 0x100 and not + 0x1000 + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/tty/serial/8250/8250_core.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/tty/serial/8250/8250_core.c ++++ b/drivers/tty/serial/8250/8250_core.c +@@ -2635,7 +2635,7 @@ serial8250_pm(struct uart_port *port, un + static unsigned int serial8250_port_size(struct uart_8250_port *pt) + { + if (pt->port.iotype == UPIO_AU) +- return 0x1000; ++ return 0x100; + if (is_omap1_8250(pt)) + return 0x16 << pt->port.regshift; + diff --git a/target/linux/ramips/patches-3.18/0029-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch b/target/linux/ramips/patches-3.18/0029-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch new file mode 100644 index 0000000000..ef29697e20 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0029-serial-of-allow-au1x00-and-rt288x-to-load-from-OF.patch @@ -0,0 +1,27 @@ +From 49b47dfcef1353cd28eac8f64170e75d28ce4311 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 14 Jul 2013 23:18:57 +0200 +Subject: [PATCH 29/57] serial: of: allow au1x00 and rt288x to load from OF + +In order to make serial_8250 loadable via OF on Au1x00 and Ralink WiSoC we need +to default the iotype to UPIO_AU. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/tty/serial/of_serial.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/tty/serial/of_serial.c ++++ b/drivers/tty/serial/of_serial.c +@@ -102,7 +102,10 @@ static int of_platform_serial_setup(stru + port->fifosize = prop; + + port->irq = irq_of_parse_and_map(np, 0); +- port->iotype = UPIO_MEM; ++ if (of_device_is_compatible(np, "ralink,rt2880-uart")) ++ port->iotype = UPIO_AU; ++ else ++ port->iotype = UPIO_MEM; + if (of_property_read_u32(np, "reg-io-width", &prop) == 0) { + switch (prop) { + case 1: diff --git a/target/linux/ramips/patches-3.18/0030-GPIO-add-named-gpio-exports.patch b/target/linux/ramips/patches-3.18/0030-GPIO-add-named-gpio-exports.patch new file mode 100644 index 0000000000..534d8c18fc --- /dev/null +++ b/target/linux/ramips/patches-3.18/0030-GPIO-add-named-gpio-exports.patch @@ -0,0 +1,166 @@ +From cc809a441d8f2924f785eb863dfa6aef47a25b0b Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Tue, 12 Aug 2014 20:49:27 +0200 +Subject: [PATCH 30/36] GPIO: add named gpio exports + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/gpio/gpiolib-of.c | 68 +++++++++++++++++++++++++++++++++++++++++ + drivers/gpio/gpiolib.c | 11 +++++-- + include/asm-generic/gpio.h | 5 +++ + include/linux/gpio/consumer.h | 8 +++++ + 4 files changed, 90 insertions(+), 2 deletions(-) + +--- a/drivers/gpio/gpiolib-of.c ++++ b/drivers/gpio/gpiolib-of.c +@@ -22,6 +22,8 @@ + #include <linux/of_gpio.h> + #include <linux/pinctrl/pinctrl.h> + #include <linux/slab.h> ++#include <linux/init.h> ++#include <linux/platform_device.h> + + #include "gpiolib.h" + +@@ -315,3 +317,69 @@ void of_gpiochip_remove(struct gpio_chip + gpiochip_remove_pin_ranges(chip); + of_node_put(chip->of_node); + } ++ ++static struct of_device_id gpio_export_ids[] = { ++ { .compatible = "gpio-export" }, ++ { /* sentinel */ } ++}; ++ ++static int __init of_gpio_export_probe(struct platform_device *pdev) ++{ ++ struct device_node *np = pdev->dev.of_node; ++ struct device_node *cnp; ++ u32 val; ++ int nb = 0; ++ ++ for_each_child_of_node(np, cnp) { ++ const char *name = NULL; ++ int gpio; ++ bool dmc; ++ int max_gpio = 1; ++ int i; ++ ++ of_property_read_string(cnp, "gpio-export,name", &name); ++ ++ if (!name) ++ max_gpio = of_gpio_count(cnp); ++ ++ for (i = 0; i < max_gpio; i++) { ++ unsigned flags = 0; ++ enum of_gpio_flags of_flags; ++ ++ gpio = of_get_gpio_flags(cnp, i, &of_flags); ++ ++ if (of_flags == OF_GPIO_ACTIVE_LOW) ++ flags |= GPIOF_ACTIVE_LOW; ++ ++ if (!of_property_read_u32(cnp, "gpio-export,output", &val)) ++ flags |= val ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW; ++ else ++ flags |= GPIOF_IN; ++ ++ if (devm_gpio_request_one(&pdev->dev, gpio, flags, name ? name : of_node_full_name(np))) ++ continue; ++ ++ dmc = of_property_read_bool(cnp, "gpio-export,direction_may_change"); ++ gpio_export_with_name(gpio, dmc, name); ++ nb++; ++ } ++ } ++ ++ dev_info(&pdev->dev, "%d gpio(s) exported\n", nb); ++ ++ return 0; ++} ++ ++static struct platform_driver gpio_export_driver = { ++ .driver = { ++ .name = "gpio-export", ++ .owner = THIS_MODULE, ++ .of_match_table = of_match_ptr(gpio_export_ids), ++ }, ++}; ++ ++static int __init of_gpio_export_init(void) ++{ ++ return platform_driver_probe(&gpio_export_driver, of_gpio_export_probe); ++} ++device_initcall(of_gpio_export_init); +--- a/include/asm-generic/gpio.h ++++ b/include/asm-generic/gpio.h +@@ -123,6 +123,12 @@ static inline int gpio_export(unsigned g + return gpiod_export(gpio_to_desc(gpio), direction_may_change); + } + ++int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name); ++static inline int gpio_export_with_name(unsigned gpio, bool direction_may_change, const char *name) ++{ ++ return __gpiod_export(gpio_to_desc(gpio), direction_may_change, name); ++} ++ + static inline int gpio_export_link(struct device *dev, const char *name, + unsigned gpio) + { +--- a/include/linux/gpio/consumer.h ++++ b/include/linux/gpio/consumer.h +@@ -323,6 +323,7 @@ static inline int desc_to_gpio(const str + + #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS) + ++int _gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name); + int gpiod_export(struct gpio_desc *desc, bool direction_may_change); + int gpiod_export_link(struct device *dev, const char *name, + struct gpio_desc *desc); +@@ -331,6 +332,13 @@ void gpiod_unexport(struct gpio_desc *de + + #else /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */ + ++static inline int _gpiod_export(struct gpio_desc *desc, ++ bool direction_may_change, ++ const char *name) ++{ ++ return -ENOSYS; ++} ++ + static inline int gpiod_export(struct gpio_desc *desc, + bool direction_may_change) + { +--- a/drivers/gpio/gpiolib-sysfs.c ++++ b/drivers/gpio/gpiolib-sysfs.c +@@ -517,7 +517,7 @@ static struct class gpio_class = { + * + * Returns zero on success, else an error. + */ +-int gpiod_export(struct gpio_desc *desc, bool direction_may_change) ++int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name) + { + unsigned long flags; + int status; +@@ -557,6 +557,8 @@ int gpiod_export(struct gpio_desc *desc, + offset = gpio_chip_hwgpio(desc); + if (desc->chip->names && desc->chip->names[offset]) + ioname = desc->chip->names[offset]; ++ if (name) ++ ioname = name; + + dev = device_create_with_groups(&gpio_class, desc->chip->dev, + MKDEV(0, 0), desc, gpio_groups, +@@ -593,6 +595,12 @@ fail_unlock: + gpiod_dbg(desc, "%s: status %d\n", __func__, status); + return status; + } ++EXPORT_SYMBOL_GPL(__gpiod_export); ++ ++int gpiod_export(struct gpio_desc *desc, bool direction_may_change) ++{ ++ return __gpiod_export(desc, direction_may_change, NULL); ++} + EXPORT_SYMBOL_GPL(gpiod_export); + + static int match_export(struct device *dev, const void *data) diff --git a/target/linux/ramips/patches-3.18/0030-pinctrl-ralink-add-pinctrl-driver.patch b/target/linux/ramips/patches-3.18/0030-pinctrl-ralink-add-pinctrl-driver.patch new file mode 100644 index 0000000000..fcc66ff007 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0030-pinctrl-ralink-add-pinctrl-driver.patch @@ -0,0 +1,1397 @@ +From 675c6ddd9432c39f508f9d6bdda17d9c675788cf Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:34:05 +0100 +Subject: [PATCH 30/57] pinctrl: ralink: add pinctrl driver + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/Kconfig | 2 + + arch/mips/include/asm/mach-ralink/mt7620.h | 41 ++- + arch/mips/include/asm/mach-ralink/pinmux.h | 53 ++++ + arch/mips/include/asm/mach-ralink/rt305x.h | 35 ++- + arch/mips/include/asm/mach-ralink/rt3883.h | 16 +- + arch/mips/ralink/common.h | 19 -- + arch/mips/ralink/mt7620.c | 159 +++------- + arch/mips/ralink/rt288x.c | 62 ++-- + arch/mips/ralink/rt305x.c | 151 ++++----- + arch/mips/ralink/rt3883.c | 173 +++-------- + drivers/pinctrl/Kconfig | 5 + + drivers/pinctrl/Makefile | 1 + + drivers/pinctrl/pinctrl-rt2880.c | 467 ++++++++++++++++++++++++++++ + 13 files changed, 764 insertions(+), 420 deletions(-) + create mode 100644 arch/mips/include/asm/mach-ralink/pinmux.h + create mode 100644 drivers/pinctrl/pinctrl-rt2880.c + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -453,6 +453,8 @@ config RALINK + select CLKDEV_LOOKUP + select ARCH_HAS_RESET_CONTROLLER + select RESET_CONTROLLER ++ select PINCTRL ++ select PINCTRL_RT2880 + + config SGI_IP22 + bool "SGI IP22 (Indy/Indigo2)" +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -90,7 +90,6 @@ enum mt762x_soc_type { + #define MT7620_DDR2_SIZE_MIN 32 + #define MT7620_DDR2_SIZE_MAX 256 + +-#define MT7620_GPIO_MODE_I2C BIT(0) + #define MT7620_GPIO_MODE_UART0_SHIFT 2 + #define MT7620_GPIO_MODE_UART0_MASK 0x7 + #define MT7620_GPIO_MODE_UART0(x) ((x) << MT7620_GPIO_MODE_UART0_SHIFT) +@@ -102,16 +101,36 @@ enum mt762x_soc_type { + #define MT7620_GPIO_MODE_GPIO_UARTF 0x5 + #define MT7620_GPIO_MODE_GPIO_I2S 0x6 + #define MT7620_GPIO_MODE_GPIO 0x7 +-#define MT7620_GPIO_MODE_UART1 BIT(5) +-#define MT7620_GPIO_MODE_MDIO BIT(8) +-#define MT7620_GPIO_MODE_RGMII1 BIT(9) +-#define MT7620_GPIO_MODE_RGMII2 BIT(10) +-#define MT7620_GPIO_MODE_SPI BIT(11) +-#define MT7620_GPIO_MODE_SPI_REF_CLK BIT(12) +-#define MT7620_GPIO_MODE_WLED BIT(13) +-#define MT7620_GPIO_MODE_JTAG BIT(15) +-#define MT7620_GPIO_MODE_EPHY BIT(15) +-#define MT7620_GPIO_MODE_WDT BIT(22) ++ ++#define MT7620_GPIO_MODE_NAND 0 ++#define MT7620_GPIO_MODE_SD 1 ++#define MT7620_GPIO_MODE_ND_SD_GPIO 2 ++#define MT7620_GPIO_MODE_ND_SD_MASK 0x3 ++#define MT7620_GPIO_MODE_ND_SD_SHIFT 18 ++ ++#define MT7620_GPIO_MODE_PCIE_RST 0 ++#define MT7620_GPIO_MODE_PCIE_REF 1 ++#define MT7620_GPIO_MODE_PCIE_GPIO 2 ++#define MT7620_GPIO_MODE_PCIE_MASK 0x3 ++#define MT7620_GPIO_MODE_PCIE_SHIFT 16 ++ ++#define MT7620_GPIO_MODE_WDT_RST 0 ++#define MT7620_GPIO_MODE_WDT_REF 1 ++#define MT7620_GPIO_MODE_WDT_GPIO 2 ++#define MT7620_GPIO_MODE_WDT_MASK 0x3 ++#define MT7620_GPIO_MODE_WDT_SHIFT 21 ++ ++#define MT7620_GPIO_MODE_I2C 0 ++#define MT7620_GPIO_MODE_UART1 5 ++#define MT7620_GPIO_MODE_MDIO 8 ++#define MT7620_GPIO_MODE_RGMII1 9 ++#define MT7620_GPIO_MODE_RGMII2 10 ++#define MT7620_GPIO_MODE_SPI 11 ++#define MT7620_GPIO_MODE_SPI_REF_CLK 12 ++#define MT7620_GPIO_MODE_WLED 13 ++#define MT7620_GPIO_MODE_JTAG 15 ++#define MT7620_GPIO_MODE_EPHY 15 ++#define MT7620_GPIO_MODE_PA 20 + + static inline int mt7620_get_eco(void) + { +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/pinmux.h +@@ -0,0 +1,53 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * publishhed by the Free Software Foundation. ++ * ++ * Copyright (C) 2012 John Crispin <blogic@openwrt.org> ++ */ ++ ++#ifndef _RT288X_PINMUX_H__ ++#define _RT288X_PINMUX_H__ ++ ++#define FUNC(name, value, pin_first, pin_count) { name, value, pin_first, pin_count } ++#define GRP(_name, _func, _mask, _shift) \ ++ { .name = _name, .mask = _mask, .shift = _shift, \ ++ .func = _func, .gpio = _mask, \ ++ .func_count = ARRAY_SIZE(_func) } ++ ++#define GRP_G(_name, _func, _mask, _gpio, _shift) \ ++ { .name = _name, .mask = _mask, .shift = _shift, \ ++ .func = _func, .gpio = _gpio, \ ++ .func_count = ARRAY_SIZE(_func) } ++ ++struct rt2880_pmx_group; ++ ++struct rt2880_pmx_func { ++ const char *name; ++ const char value; ++ ++ int pin_first; ++ int pin_count; ++ int *pins; ++ ++ int *groups; ++ int group_count; ++ ++ int enabled; ++}; ++ ++struct rt2880_pmx_group { ++ const char *name; ++ int enabled; ++ ++ const u32 shift; ++ const char mask; ++ const char gpio; ++ ++ struct rt2880_pmx_func *func; ++ int func_count; ++}; ++ ++extern struct rt2880_pmx_group *rt2880_pinmux_data; ++ ++#endif +--- a/arch/mips/include/asm/mach-ralink/rt305x.h ++++ b/arch/mips/include/asm/mach-ralink/rt305x.h +@@ -125,24 +125,29 @@ static inline int soc_is_rt5350(void) + #define RT305X_GPIO_GE0_TXD0 40 + #define RT305X_GPIO_GE0_RXCLK 51 + +-#define RT305X_GPIO_MODE_I2C BIT(0) +-#define RT305X_GPIO_MODE_SPI BIT(1) + #define RT305X_GPIO_MODE_UART0_SHIFT 2 + #define RT305X_GPIO_MODE_UART0_MASK 0x7 + #define RT305X_GPIO_MODE_UART0(x) ((x) << RT305X_GPIO_MODE_UART0_SHIFT) +-#define RT305X_GPIO_MODE_UARTF 0x0 +-#define RT305X_GPIO_MODE_PCM_UARTF 0x1 +-#define RT305X_GPIO_MODE_PCM_I2S 0x2 +-#define RT305X_GPIO_MODE_I2S_UARTF 0x3 +-#define RT305X_GPIO_MODE_PCM_GPIO 0x4 +-#define RT305X_GPIO_MODE_GPIO_UARTF 0x5 +-#define RT305X_GPIO_MODE_GPIO_I2S 0x6 +-#define RT305X_GPIO_MODE_GPIO 0x7 +-#define RT305X_GPIO_MODE_UART1 BIT(5) +-#define RT305X_GPIO_MODE_JTAG BIT(6) +-#define RT305X_GPIO_MODE_MDIO BIT(7) +-#define RT305X_GPIO_MODE_SDRAM BIT(8) +-#define RT305X_GPIO_MODE_RGMII BIT(9) ++#define RT305X_GPIO_MODE_UARTF 0 ++#define RT305X_GPIO_MODE_PCM_UARTF 1 ++#define RT305X_GPIO_MODE_PCM_I2S 2 ++#define RT305X_GPIO_MODE_I2S_UARTF 3 ++#define RT305X_GPIO_MODE_PCM_GPIO 4 ++#define RT305X_GPIO_MODE_GPIO_UARTF 5 ++#define RT305X_GPIO_MODE_GPIO_I2S 6 ++#define RT305X_GPIO_MODE_GPIO 7 ++ ++#define RT305X_GPIO_MODE_I2C 0 ++#define RT305X_GPIO_MODE_SPI 1 ++#define RT305X_GPIO_MODE_UART1 5 ++#define RT305X_GPIO_MODE_JTAG 6 ++#define RT305X_GPIO_MODE_MDIO 7 ++#define RT305X_GPIO_MODE_SDRAM 8 ++#define RT305X_GPIO_MODE_RGMII 9 ++#define RT5350_GPIO_MODE_PHY_LED 14 ++#define RT5350_GPIO_MODE_SPI_CS1 21 ++#define RT3352_GPIO_MODE_LNA 18 ++#define RT3352_GPIO_MODE_PA 20 + + #define RT3352_SYSC_REG_SYSCFG0 0x010 + #define RT3352_SYSC_REG_SYSCFG1 0x014 +--- a/arch/mips/include/asm/mach-ralink/rt3883.h ++++ b/arch/mips/include/asm/mach-ralink/rt3883.h +@@ -112,8 +112,6 @@ + #define RT3883_CLKCFG1_PCI_CLK_EN BIT(19) + #define RT3883_CLKCFG1_UPHY0_CLK_EN BIT(18) + +-#define RT3883_GPIO_MODE_I2C BIT(0) +-#define RT3883_GPIO_MODE_SPI BIT(1) + #define RT3883_GPIO_MODE_UART0_SHIFT 2 + #define RT3883_GPIO_MODE_UART0_MASK 0x7 + #define RT3883_GPIO_MODE_UART0(x) ((x) << RT3883_GPIO_MODE_UART0_SHIFT) +@@ -125,11 +123,15 @@ + #define RT3883_GPIO_MODE_GPIO_UARTF 0x5 + #define RT3883_GPIO_MODE_GPIO_I2S 0x6 + #define RT3883_GPIO_MODE_GPIO 0x7 +-#define RT3883_GPIO_MODE_UART1 BIT(5) +-#define RT3883_GPIO_MODE_JTAG BIT(6) +-#define RT3883_GPIO_MODE_MDIO BIT(7) +-#define RT3883_GPIO_MODE_GE1 BIT(9) +-#define RT3883_GPIO_MODE_GE2 BIT(10) ++ ++#define RT3883_GPIO_MODE_I2C 0 ++#define RT3883_GPIO_MODE_SPI 1 ++#define RT3883_GPIO_MODE_UART1 5 ++#define RT3883_GPIO_MODE_JTAG 6 ++#define RT3883_GPIO_MODE_MDIO 7 ++#define RT3883_GPIO_MODE_GE1 9 ++#define RT3883_GPIO_MODE_GE2 10 ++ + #define RT3883_GPIO_MODE_PCI_SHIFT 11 + #define RT3883_GPIO_MODE_PCI_MASK 0x7 + #define RT3883_GPIO_MODE_PCI (RT3883_GPIO_MODE_PCI_MASK << RT3883_GPIO_MODE_PCI_SHIFT) +--- a/arch/mips/ralink/common.h ++++ b/arch/mips/ralink/common.h +@@ -11,25 +11,6 @@ + + #define RAMIPS_SYS_TYPE_LEN 32 + +-struct ralink_pinmux_grp { +- const char *name; +- u32 mask; +- int gpio_first; +- int gpio_last; +-}; +- +-struct ralink_pinmux { +- struct ralink_pinmux_grp *mode; +- struct ralink_pinmux_grp *uart; +- int uart_shift; +- u32 uart_mask; +- void (*wdt_reset)(void); +- struct ralink_pinmux_grp *pci; +- int pci_shift; +- u32 pci_mask; +-}; +-extern struct ralink_pinmux rt_gpio_pinmux; +- + struct ralink_soc_info { + unsigned char sys_type[RAMIPS_SYS_TYPE_LEN]; + unsigned char *compatible; +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -17,6 +17,7 @@ + #include <asm/mipsregs.h> + #include <asm/mach-ralink/ralink_regs.h> + #include <asm/mach-ralink/mt7620.h> ++#include <asm/mach-ralink/pinmux.h> + + #include "common.h" + +@@ -47,118 +48,58 @@ enum mt762x_soc_type mt762x_soc; + /* does the board have sdram or ddram */ + static int dram_type; + +-static struct ralink_pinmux_grp mode_mux[] = { +- { +- .name = "i2c", +- .mask = MT7620_GPIO_MODE_I2C, +- .gpio_first = 1, +- .gpio_last = 2, +- }, { +- .name = "spi", +- .mask = MT7620_GPIO_MODE_SPI, +- .gpio_first = 3, +- .gpio_last = 6, +- }, { +- .name = "uartlite", +- .mask = MT7620_GPIO_MODE_UART1, +- .gpio_first = 15, +- .gpio_last = 16, +- }, { +- .name = "wdt", +- .mask = MT7620_GPIO_MODE_WDT, +- .gpio_first = 17, +- .gpio_last = 17, +- }, { +- .name = "mdio", +- .mask = MT7620_GPIO_MODE_MDIO, +- .gpio_first = 22, +- .gpio_last = 23, +- }, { +- .name = "rgmii1", +- .mask = MT7620_GPIO_MODE_RGMII1, +- .gpio_first = 24, +- .gpio_last = 35, +- }, { +- .name = "spi refclk", +- .mask = MT7620_GPIO_MODE_SPI_REF_CLK, +- .gpio_first = 37, +- .gpio_last = 39, +- }, { +- .name = "jtag", +- .mask = MT7620_GPIO_MODE_JTAG, +- .gpio_first = 40, +- .gpio_last = 44, +- }, { +- /* shared lines with jtag */ +- .name = "ephy", +- .mask = MT7620_GPIO_MODE_EPHY, +- .gpio_first = 40, +- .gpio_last = 44, +- }, { +- .name = "nand", +- .mask = MT7620_GPIO_MODE_JTAG, +- .gpio_first = 45, +- .gpio_last = 59, +- }, { +- .name = "rgmii2", +- .mask = MT7620_GPIO_MODE_RGMII2, +- .gpio_first = 60, +- .gpio_last = 71, +- }, { +- .name = "wled", +- .mask = MT7620_GPIO_MODE_WLED, +- .gpio_first = 72, +- .gpio_last = 72, +- }, {0} ++static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) }; ++static struct rt2880_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) }; ++static struct rt2880_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 15, 2) }; ++static struct rt2880_pmx_func mdio_grp[] = { FUNC("mdio", 0, 22, 2) }; ++static struct rt2880_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 24, 12) }; ++static struct rt2880_pmx_func refclk_grp[] = { FUNC("spi refclk", 0, 37, 3) }; ++static struct rt2880_pmx_func ephy_grp[] = { FUNC("ephy", 0, 40, 5) }; ++static struct rt2880_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 60, 12) }; ++static struct rt2880_pmx_func wled_grp[] = { FUNC("wled", 0, 72, 1) }; ++static struct rt2880_pmx_func pa_grp[] = { FUNC("pa", 0, 18, 4) }; ++static struct rt2880_pmx_func uartf_grp[] = { ++ FUNC("uartf", MT7620_GPIO_MODE_UARTF, 7, 8), ++ FUNC("pcm uartf", MT7620_GPIO_MODE_PCM_UARTF, 7, 8), ++ FUNC("pcm i2s", MT7620_GPIO_MODE_PCM_I2S, 7, 8), ++ FUNC("i2s uartf", MT7620_GPIO_MODE_I2S_UARTF, 7, 8), ++ FUNC("pcm gpio", MT7620_GPIO_MODE_PCM_GPIO, 11, 4), ++ FUNC("gpio uartf", MT7620_GPIO_MODE_GPIO_UARTF, 7, 4), ++ FUNC("gpio i2s", MT7620_GPIO_MODE_GPIO_I2S, 7, 4), + }; +- +-static struct ralink_pinmux_grp uart_mux[] = { +- { +- .name = "uartf", +- .mask = MT7620_GPIO_MODE_UARTF, +- .gpio_first = 7, +- .gpio_last = 14, +- }, { +- .name = "pcm uartf", +- .mask = MT7620_GPIO_MODE_PCM_UARTF, +- .gpio_first = 7, +- .gpio_last = 14, +- }, { +- .name = "pcm i2s", +- .mask = MT7620_GPIO_MODE_PCM_I2S, +- .gpio_first = 7, +- .gpio_last = 14, +- }, { +- .name = "i2s uartf", +- .mask = MT7620_GPIO_MODE_I2S_UARTF, +- .gpio_first = 7, +- .gpio_last = 14, +- }, { +- .name = "pcm gpio", +- .mask = MT7620_GPIO_MODE_PCM_GPIO, +- .gpio_first = 11, +- .gpio_last = 14, +- }, { +- .name = "gpio uartf", +- .mask = MT7620_GPIO_MODE_GPIO_UARTF, +- .gpio_first = 7, +- .gpio_last = 10, +- }, { +- .name = "gpio i2s", +- .mask = MT7620_GPIO_MODE_GPIO_I2S, +- .gpio_first = 7, +- .gpio_last = 10, +- }, { +- .name = "gpio", +- .mask = MT7620_GPIO_MODE_GPIO, +- }, {0} ++static struct rt2880_pmx_func wdt_grp[] = { ++ FUNC("wdt rst", 0, 17, 1), ++ FUNC("wdt refclk", 0, 17, 1), ++ }; ++static struct rt2880_pmx_func pcie_rst_grp[] = { ++ FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1), ++ FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1) ++}; ++static struct rt2880_pmx_func nd_sd_grp[] = { ++ FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15), ++ FUNC("sd", MT7620_GPIO_MODE_SD, 45, 15) + }; + +-struct ralink_pinmux rt_gpio_pinmux = { +- .mode = mode_mux, +- .uart = uart_mux, +- .uart_shift = MT7620_GPIO_MODE_UART0_SHIFT, +- .uart_mask = MT7620_GPIO_MODE_UART0_MASK, ++static struct rt2880_pmx_group mt7620a_pinmux_data[] = { ++ GRP("i2c", i2c_grp, 1, MT7620_GPIO_MODE_I2C), ++ GRP("uartf", uartf_grp, MT7620_GPIO_MODE_UART0_MASK, ++ MT7620_GPIO_MODE_UART0_SHIFT), ++ GRP("spi", spi_grp, 1, MT7620_GPIO_MODE_SPI), ++ GRP("uartlite", uartlite_grp, 1, MT7620_GPIO_MODE_UART1), ++ GRP_G("wdt", wdt_grp, MT7620_GPIO_MODE_WDT_MASK, ++ MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT), ++ GRP("mdio", mdio_grp, 1, MT7620_GPIO_MODE_MDIO), ++ GRP("rgmii1", rgmii1_grp, 1, MT7620_GPIO_MODE_RGMII1), ++ GRP("spi refclk", refclk_grp, 1, MT7620_GPIO_MODE_SPI_REF_CLK), ++ GRP_G("pcie", pcie_rst_grp, MT7620_GPIO_MODE_PCIE_MASK, ++ MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT), ++ GRP_G("nd_sd", nd_sd_grp, MT7620_GPIO_MODE_ND_SD_MASK, ++ MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT), ++ GRP("rgmii2", rgmii2_grp, 1, MT7620_GPIO_MODE_RGMII2), ++ GRP("wled", wled_grp, 1, MT7620_GPIO_MODE_WLED), ++ GRP("ephy", ephy_grp, 1, MT7620_GPIO_MODE_EPHY), ++ GRP("pa", pa_grp, 1, MT7620_GPIO_MODE_PA), ++ { 0 } + }; + + static struct rt2880_pmx_func pwm1_grp_mt7628[] = { +--- a/arch/mips/ralink/rt288x.c ++++ b/arch/mips/ralink/rt288x.c +@@ -17,46 +17,27 @@ + #include <asm/mipsregs.h> + #include <asm/mach-ralink/ralink_regs.h> + #include <asm/mach-ralink/rt288x.h> ++#include <asm/mach-ralink/pinmux.h> + + #include "common.h" + +-static struct ralink_pinmux_grp mode_mux[] = { +- { +- .name = "i2c", +- .mask = RT2880_GPIO_MODE_I2C, +- .gpio_first = 1, +- .gpio_last = 2, +- }, { +- .name = "spi", +- .mask = RT2880_GPIO_MODE_SPI, +- .gpio_first = 3, +- .gpio_last = 6, +- }, { +- .name = "uartlite", +- .mask = RT2880_GPIO_MODE_UART0, +- .gpio_first = 7, +- .gpio_last = 14, +- }, { +- .name = "jtag", +- .mask = RT2880_GPIO_MODE_JTAG, +- .gpio_first = 17, +- .gpio_last = 21, +- }, { +- .name = "mdio", +- .mask = RT2880_GPIO_MODE_MDIO, +- .gpio_first = 22, +- .gpio_last = 23, +- }, { +- .name = "sdram", +- .mask = RT2880_GPIO_MODE_SDRAM, +- .gpio_first = 24, +- .gpio_last = 39, +- }, { +- .name = "pci", +- .mask = RT2880_GPIO_MODE_PCI, +- .gpio_first = 40, +- .gpio_last = 71, +- }, {0} ++static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; ++static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; ++static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 7, 8) }; ++static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; ++static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; ++static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; ++static struct rt2880_pmx_func pci_func[] = { FUNC("pci", 0, 40, 32) }; ++ ++static struct rt2880_pmx_group rt2880_pinmux_data_act[] = { ++ GRP("i2c", i2c_func, 1, RT2880_GPIO_MODE_I2C), ++ GRP("spi", spi_func, 1, RT2880_GPIO_MODE_SPI), ++ GRP("uartlite", uartlite_func, 1, RT2880_GPIO_MODE_UART0), ++ GRP("jtag", jtag_func, 1, RT2880_GPIO_MODE_JTAG), ++ GRP("mdio", mdio_func, 1, RT2880_GPIO_MODE_MDIO), ++ GRP("sdram", sdram_func, 1, RT2880_GPIO_MODE_SDRAM), ++ GRP("pci", pci_func, 1, RT2880_GPIO_MODE_PCI), ++ { 0 } + }; + + static void rt288x_wdt_reset(void) +@@ -69,11 +50,6 @@ static void rt288x_wdt_reset(void) + rt_sysc_w32(t, SYSC_REG_CLKCFG); + } + +-struct ralink_pinmux rt_gpio_pinmux = { +- .mode = mode_mux, +- .wdt_reset = rt288x_wdt_reset, +-}; +- + void __init ralink_clk_init(void) + { + unsigned long cpu_rate, wmac_rate = 40000000; +@@ -141,4 +117,6 @@ void prom_soc_init(struct ralink_soc_inf + soc_info->mem_base = RT2880_SDRAM_BASE; + soc_info->mem_size_min = RT2880_MEM_SIZE_MIN; + soc_info->mem_size_max = RT2880_MEM_SIZE_MAX; ++ ++ rt2880_pinmux_data = rt2880_pinmux_data_act; + } +--- a/arch/mips/ralink/rt305x.c ++++ b/arch/mips/ralink/rt305x.c +@@ -17,90 +17,76 @@ + #include <asm/mipsregs.h> + #include <asm/mach-ralink/ralink_regs.h> + #include <asm/mach-ralink/rt305x.h> ++#include <asm/mach-ralink/pinmux.h> + + #include "common.h" + + enum rt305x_soc_type rt305x_soc; + +-static struct ralink_pinmux_grp mode_mux[] = { +- { +- .name = "i2c", +- .mask = RT305X_GPIO_MODE_I2C, +- .gpio_first = RT305X_GPIO_I2C_SD, +- .gpio_last = RT305X_GPIO_I2C_SCLK, +- }, { +- .name = "spi", +- .mask = RT305X_GPIO_MODE_SPI, +- .gpio_first = RT305X_GPIO_SPI_EN, +- .gpio_last = RT305X_GPIO_SPI_CLK, +- }, { +- .name = "uartlite", +- .mask = RT305X_GPIO_MODE_UART1, +- .gpio_first = RT305X_GPIO_UART1_TXD, +- .gpio_last = RT305X_GPIO_UART1_RXD, +- }, { +- .name = "jtag", +- .mask = RT305X_GPIO_MODE_JTAG, +- .gpio_first = RT305X_GPIO_JTAG_TDO, +- .gpio_last = RT305X_GPIO_JTAG_TDI, +- }, { +- .name = "mdio", +- .mask = RT305X_GPIO_MODE_MDIO, +- .gpio_first = RT305X_GPIO_MDIO_MDC, +- .gpio_last = RT305X_GPIO_MDIO_MDIO, +- }, { +- .name = "sdram", +- .mask = RT305X_GPIO_MODE_SDRAM, +- .gpio_first = RT305X_GPIO_SDRAM_MD16, +- .gpio_last = RT305X_GPIO_SDRAM_MD31, +- }, { +- .name = "rgmii", +- .mask = RT305X_GPIO_MODE_RGMII, +- .gpio_first = RT305X_GPIO_GE0_TXD0, +- .gpio_last = RT305X_GPIO_GE0_RXCLK, +- }, {0} ++static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; ++static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; ++static struct rt2880_pmx_func uartf_func[] = { ++ FUNC("uartf", RT305X_GPIO_MODE_UARTF, 7, 8), ++ FUNC("pcm uartf", RT305X_GPIO_MODE_PCM_UARTF, 7, 8), ++ FUNC("pcm i2s", RT305X_GPIO_MODE_PCM_I2S, 7, 8), ++ FUNC("i2s uartf", RT305X_GPIO_MODE_I2S_UARTF, 7, 8), ++ FUNC("pcm gpio", RT305X_GPIO_MODE_PCM_GPIO, 11, 4), ++ FUNC("gpio uartf", RT305X_GPIO_MODE_GPIO_UARTF, 7, 4), ++ FUNC("gpio i2s", RT305X_GPIO_MODE_GPIO_I2S, 7, 4), ++}; ++static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; ++static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; ++static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; ++static struct rt2880_pmx_func rt5350_led_func[] = { FUNC("led", 0, 22, 5) }; ++static struct rt2880_pmx_func rt5350_cs1_func[] = { ++ FUNC("spi_cs1", 0, 27, 1), ++ FUNC("wdg_cs1", 1, 27, 1), ++}; ++static struct rt2880_pmx_func sdram_func[] = { FUNC("sdram", 0, 24, 16) }; ++static struct rt2880_pmx_func rt3352_rgmii_func[] = { FUNC("rgmii", 0, 24, 12) }; ++static struct rt2880_pmx_func rgmii_func[] = { FUNC("rgmii", 0, 40, 12) }; ++static struct rt2880_pmx_func rt3352_lna_func[] = { FUNC("lna", 0, 36, 2) }; ++static struct rt2880_pmx_func rt3352_pa_func[] = { FUNC("pa", 0, 38, 2) }; ++static struct rt2880_pmx_func rt3352_led_func[] = { FUNC("led", 0, 40, 5) }; ++ ++static struct rt2880_pmx_group rt3050_pinmux_data[] = { ++ GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), ++ GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), ++ GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, ++ RT305X_GPIO_MODE_UART0_SHIFT), ++ GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), ++ GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), ++ GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO), ++ GRP("rgmii", rgmii_func, 1, RT305X_GPIO_MODE_RGMII), ++ GRP("sdram", sdram_func, 1, RT305X_GPIO_MODE_SDRAM), ++ { 0 } ++}; ++ ++static struct rt2880_pmx_group rt3352_pinmux_data[] = { ++ GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), ++ GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), ++ GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, ++ RT305X_GPIO_MODE_UART0_SHIFT), ++ GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), ++ GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), ++ GRP("mdio", mdio_func, 1, RT305X_GPIO_MODE_MDIO), ++ GRP("rgmii", rt3352_rgmii_func, 1, RT305X_GPIO_MODE_RGMII), ++ GRP("lna", rt3352_lna_func, 1, RT3352_GPIO_MODE_LNA), ++ GRP("pa", rt3352_pa_func, 1, RT3352_GPIO_MODE_PA), ++ GRP("led", rt3352_led_func, 1, RT5350_GPIO_MODE_PHY_LED), ++ { 0 } + }; + +-static struct ralink_pinmux_grp uart_mux[] = { +- { +- .name = "uartf", +- .mask = RT305X_GPIO_MODE_UARTF, +- .gpio_first = RT305X_GPIO_7, +- .gpio_last = RT305X_GPIO_14, +- }, { +- .name = "pcm uartf", +- .mask = RT305X_GPIO_MODE_PCM_UARTF, +- .gpio_first = RT305X_GPIO_7, +- .gpio_last = RT305X_GPIO_14, +- }, { +- .name = "pcm i2s", +- .mask = RT305X_GPIO_MODE_PCM_I2S, +- .gpio_first = RT305X_GPIO_7, +- .gpio_last = RT305X_GPIO_14, +- }, { +- .name = "i2s uartf", +- .mask = RT305X_GPIO_MODE_I2S_UARTF, +- .gpio_first = RT305X_GPIO_7, +- .gpio_last = RT305X_GPIO_14, +- }, { +- .name = "pcm gpio", +- .mask = RT305X_GPIO_MODE_PCM_GPIO, +- .gpio_first = RT305X_GPIO_10, +- .gpio_last = RT305X_GPIO_14, +- }, { +- .name = "gpio uartf", +- .mask = RT305X_GPIO_MODE_GPIO_UARTF, +- .gpio_first = RT305X_GPIO_7, +- .gpio_last = RT305X_GPIO_10, +- }, { +- .name = "gpio i2s", +- .mask = RT305X_GPIO_MODE_GPIO_I2S, +- .gpio_first = RT305X_GPIO_7, +- .gpio_last = RT305X_GPIO_10, +- }, { +- .name = "gpio", +- .mask = RT305X_GPIO_MODE_GPIO, +- }, {0} ++static struct rt2880_pmx_group rt5350_pinmux_data[] = { ++ GRP("i2c", i2c_func, 1, RT305X_GPIO_MODE_I2C), ++ GRP("spi", spi_func, 1, RT305X_GPIO_MODE_SPI), ++ GRP("uartf", uartf_func, RT305X_GPIO_MODE_UART0_MASK, ++ RT305X_GPIO_MODE_UART0_SHIFT), ++ GRP("uartlite", uartlite_func, 1, RT305X_GPIO_MODE_UART1), ++ GRP("jtag", jtag_func, 1, RT305X_GPIO_MODE_JTAG), ++ GRP("led", rt5350_led_func, 1, RT5350_GPIO_MODE_PHY_LED), ++ GRP("spi_cs1", rt5350_cs1_func, 2, RT5350_GPIO_MODE_SPI_CS1), ++ { 0 } + }; + + static void rt305x_wdt_reset(void) +@@ -114,14 +100,6 @@ static void rt305x_wdt_reset(void) + rt_sysc_w32(t, SYSC_REG_SYSTEM_CONFIG); + } + +-struct ralink_pinmux rt_gpio_pinmux = { +- .mode = mode_mux, +- .uart = uart_mux, +- .uart_shift = RT305X_GPIO_MODE_UART0_SHIFT, +- .uart_mask = RT305X_GPIO_MODE_UART0_MASK, +- .wdt_reset = rt305x_wdt_reset, +-}; +- + static unsigned long rt5350_get_mem_size(void) + { + void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE); +@@ -290,11 +268,14 @@ void prom_soc_init(struct ralink_soc_inf + soc_info->mem_base = RT305X_SDRAM_BASE; + if (soc_is_rt5350()) { + soc_info->mem_size = rt5350_get_mem_size(); ++ rt2880_pinmux_data = rt5350_pinmux_data; + } else if (soc_is_rt305x() || soc_is_rt3350()) { + soc_info->mem_size_min = RT305X_MEM_SIZE_MIN; + soc_info->mem_size_max = RT305X_MEM_SIZE_MAX; ++ rt2880_pinmux_data = rt3050_pinmux_data; + } else if (soc_is_rt3352()) { + soc_info->mem_size_min = RT3352_MEM_SIZE_MIN; + soc_info->mem_size_max = RT3352_MEM_SIZE_MAX; ++ rt2880_pinmux_data = rt3352_pinmux_data; + } + } +--- a/arch/mips/ralink/rt3883.c ++++ b/arch/mips/ralink/rt3883.c +@@ -17,132 +17,50 @@ + #include <asm/mipsregs.h> + #include <asm/mach-ralink/ralink_regs.h> + #include <asm/mach-ralink/rt3883.h> ++#include <asm/mach-ralink/pinmux.h> + + #include "common.h" + +-static struct ralink_pinmux_grp mode_mux[] = { +- { +- .name = "i2c", +- .mask = RT3883_GPIO_MODE_I2C, +- .gpio_first = RT3883_GPIO_I2C_SD, +- .gpio_last = RT3883_GPIO_I2C_SCLK, +- }, { +- .name = "spi", +- .mask = RT3883_GPIO_MODE_SPI, +- .gpio_first = RT3883_GPIO_SPI_CS0, +- .gpio_last = RT3883_GPIO_SPI_MISO, +- }, { +- .name = "uartlite", +- .mask = RT3883_GPIO_MODE_UART1, +- .gpio_first = RT3883_GPIO_UART1_TXD, +- .gpio_last = RT3883_GPIO_UART1_RXD, +- }, { +- .name = "jtag", +- .mask = RT3883_GPIO_MODE_JTAG, +- .gpio_first = RT3883_GPIO_JTAG_TDO, +- .gpio_last = RT3883_GPIO_JTAG_TCLK, +- }, { +- .name = "mdio", +- .mask = RT3883_GPIO_MODE_MDIO, +- .gpio_first = RT3883_GPIO_MDIO_MDC, +- .gpio_last = RT3883_GPIO_MDIO_MDIO, +- }, { +- .name = "ge1", +- .mask = RT3883_GPIO_MODE_GE1, +- .gpio_first = RT3883_GPIO_GE1_TXD0, +- .gpio_last = RT3883_GPIO_GE1_RXCLK, +- }, { +- .name = "ge2", +- .mask = RT3883_GPIO_MODE_GE2, +- .gpio_first = RT3883_GPIO_GE2_TXD0, +- .gpio_last = RT3883_GPIO_GE2_RXCLK, +- }, { +- .name = "pci", +- .mask = RT3883_GPIO_MODE_PCI, +- .gpio_first = RT3883_GPIO_PCI_AD0, +- .gpio_last = RT3883_GPIO_PCI_AD31, +- }, { +- .name = "lna a", +- .mask = RT3883_GPIO_MODE_LNA_A, +- .gpio_first = RT3883_GPIO_LNA_PE_A0, +- .gpio_last = RT3883_GPIO_LNA_PE_A2, +- }, { +- .name = "lna g", +- .mask = RT3883_GPIO_MODE_LNA_G, +- .gpio_first = RT3883_GPIO_LNA_PE_G0, +- .gpio_last = RT3883_GPIO_LNA_PE_G2, +- }, {0} ++static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; ++static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; ++static struct rt2880_pmx_func uartf_func[] = { ++ FUNC("uartf", RT3883_GPIO_MODE_UARTF, 7, 8), ++ FUNC("pcm uartf", RT3883_GPIO_MODE_PCM_UARTF, 7, 8), ++ FUNC("pcm i2s", RT3883_GPIO_MODE_PCM_I2S, 7, 8), ++ FUNC("i2s uartf", RT3883_GPIO_MODE_I2S_UARTF, 7, 8), ++ FUNC("pcm gpio", RT3883_GPIO_MODE_PCM_GPIO, 11, 4), ++ FUNC("gpio uartf", RT3883_GPIO_MODE_GPIO_UARTF, 7, 4), ++ FUNC("gpio i2s", RT3883_GPIO_MODE_GPIO_I2S, 7, 4), + }; +- +-static struct ralink_pinmux_grp uart_mux[] = { +- { +- .name = "uartf", +- .mask = RT3883_GPIO_MODE_UARTF, +- .gpio_first = RT3883_GPIO_7, +- .gpio_last = RT3883_GPIO_14, +- }, { +- .name = "pcm uartf", +- .mask = RT3883_GPIO_MODE_PCM_UARTF, +- .gpio_first = RT3883_GPIO_7, +- .gpio_last = RT3883_GPIO_14, +- }, { +- .name = "pcm i2s", +- .mask = RT3883_GPIO_MODE_PCM_I2S, +- .gpio_first = RT3883_GPIO_7, +- .gpio_last = RT3883_GPIO_14, +- }, { +- .name = "i2s uartf", +- .mask = RT3883_GPIO_MODE_I2S_UARTF, +- .gpio_first = RT3883_GPIO_7, +- .gpio_last = RT3883_GPIO_14, +- }, { +- .name = "pcm gpio", +- .mask = RT3883_GPIO_MODE_PCM_GPIO, +- .gpio_first = RT3883_GPIO_11, +- .gpio_last = RT3883_GPIO_14, +- }, { +- .name = "gpio uartf", +- .mask = RT3883_GPIO_MODE_GPIO_UARTF, +- .gpio_first = RT3883_GPIO_7, +- .gpio_last = RT3883_GPIO_10, +- }, { +- .name = "gpio i2s", +- .mask = RT3883_GPIO_MODE_GPIO_I2S, +- .gpio_first = RT3883_GPIO_7, +- .gpio_last = RT3883_GPIO_10, +- }, { +- .name = "gpio", +- .mask = RT3883_GPIO_MODE_GPIO, +- }, {0} ++static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; ++static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; ++static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; ++static struct rt2880_pmx_func lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; ++static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna a", 0, 35, 3) }; ++static struct rt2880_pmx_func pci_func[] = { ++ FUNC("pci-dev", 0, 40, 32), ++ FUNC("pci-host2", 1, 40, 32), ++ FUNC("pci-host1", 2, 40, 32), ++ FUNC("pci-fnc", 3, 40, 32) + }; ++static struct rt2880_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; ++static struct rt2880_pmx_func ge2_func[] = { FUNC("ge1", 0, 84, 12) }; + +-static struct ralink_pinmux_grp pci_mux[] = { +- { +- .name = "pci-dev", +- .mask = 0, +- .gpio_first = RT3883_GPIO_PCI_AD0, +- .gpio_last = RT3883_GPIO_PCI_AD31, +- }, { +- .name = "pci-host2", +- .mask = 1, +- .gpio_first = RT3883_GPIO_PCI_AD0, +- .gpio_last = RT3883_GPIO_PCI_AD31, +- }, { +- .name = "pci-host1", +- .mask = 2, +- .gpio_first = RT3883_GPIO_PCI_AD0, +- .gpio_last = RT3883_GPIO_PCI_AD31, +- }, { +- .name = "pci-fnc", +- .mask = 3, +- .gpio_first = RT3883_GPIO_PCI_AD0, +- .gpio_last = RT3883_GPIO_PCI_AD31, +- }, { +- .name = "pci-gpio", +- .mask = 7, +- .gpio_first = RT3883_GPIO_PCI_AD0, +- .gpio_last = RT3883_GPIO_PCI_AD31, +- }, {0} ++static struct rt2880_pmx_group rt3883_pinmux_data[] = { ++ GRP("i2c", i2c_func, 1, RT3883_GPIO_MODE_I2C), ++ GRP("spi", spi_func, 1, RT3883_GPIO_MODE_SPI), ++ GRP("uartf", uartf_func, RT3883_GPIO_MODE_UART0_MASK, ++ RT3883_GPIO_MODE_UART0_SHIFT), ++ GRP("uartlite", uartlite_func, 1, RT3883_GPIO_MODE_UART1), ++ GRP("jtag", jtag_func, 1, RT3883_GPIO_MODE_JTAG), ++ GRP("mdio", mdio_func, 1, RT3883_GPIO_MODE_MDIO), ++ GRP("lna a", lna_a_func, 1, RT3883_GPIO_MODE_LNA_A), ++ GRP("lna g", lna_g_func, 1, RT3883_GPIO_MODE_LNA_G), ++ GRP("pci", pci_func, RT3883_GPIO_MODE_PCI_MASK, ++ RT3883_GPIO_MODE_PCI_SHIFT), ++ GRP("ge1", ge1_func, 1, RT3883_GPIO_MODE_GE1), ++ GRP("ge2", ge2_func, 1, RT3883_GPIO_MODE_GE2), ++ { 0 } + }; + + static void rt3883_wdt_reset(void) +@@ -155,17 +73,6 @@ static void rt3883_wdt_reset(void) + rt_sysc_w32(t, RT3883_SYSC_REG_SYSCFG1); + } + +-struct ralink_pinmux rt_gpio_pinmux = { +- .mode = mode_mux, +- .uart = uart_mux, +- .uart_shift = RT3883_GPIO_MODE_UART0_SHIFT, +- .uart_mask = RT3883_GPIO_MODE_UART0_MASK, +- .wdt_reset = rt3883_wdt_reset, +- .pci = pci_mux, +- .pci_shift = RT3883_GPIO_MODE_PCI_SHIFT, +- .pci_mask = RT3883_GPIO_MODE_PCI_MASK, +-}; +- + void __init ralink_clk_init(void) + { + unsigned long cpu_rate, sys_rate; +@@ -244,4 +151,6 @@ void prom_soc_init(struct ralink_soc_inf + soc_info->mem_base = RT3883_SDRAM_BASE; + soc_info->mem_size_min = RT3883_MEM_SIZE_MIN; + soc_info->mem_size_max = RT3883_MEM_SIZE_MAX; ++ ++ rt2880_pinmux_data = rt3883_pinmux_data; + } +--- a/drivers/pinctrl/Kconfig ++++ b/drivers/pinctrl/Kconfig +@@ -103,6 +103,11 @@ config PINCTRL_LANTIQ + select PINMUX + select PINCONF + ++config PINCTRL_RT2880 ++ bool ++ depends on RALINK ++ select PINMUX ++ + config PINCTRL_FALCON + bool + depends on SOC_FALCON +--- a/drivers/pinctrl/Makefile ++++ b/drivers/pinctrl/Makefile +@@ -20,6 +20,7 @@ obj-$(CONFIG_PINCTRL_BCM281XX) += pinctr + obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o + obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o + obj-$(CONFIG_PINCTRL_ROCKCHIP) += pinctrl-rockchip.o ++obj-$(CONFIG_PINCTRL_RT2880) += pinctrl-rt2880.o + obj-$(CONFIG_PINCTRL_SINGLE) += pinctrl-single.o + obj-$(CONFIG_PINCTRL_SIRF) += sirf/ + obj-$(CONFIG_PINCTRL_TEGRA) += pinctrl-tegra.o +--- /dev/null ++++ b/drivers/pinctrl/pinctrl-rt2880.c +@@ -0,0 +1,467 @@ ++/* ++ * linux/drivers/pinctrl/pinctrl-rt2880.c ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * publishhed by the Free Software Foundation. ++ * ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/module.h> ++#include <linux/device.h> ++#include <linux/io.h> ++#include <linux/platform_device.h> ++#include <linux/slab.h> ++#include <linux/of.h> ++#include <linux/pinctrl/pinctrl.h> ++#include <linux/pinctrl/pinconf.h> ++#include <linux/pinctrl/pinmux.h> ++#include <linux/pinctrl/consumer.h> ++#include <linux/pinctrl/machine.h> ++ ++#include <asm/mach-ralink/ralink_regs.h> ++#include <asm/mach-ralink/pinmux.h> ++#include <asm/mach-ralink/mt7620.h> ++ ++#include "core.h" ++ ++#define SYSC_REG_GPIO_MODE 0x60 ++ ++struct rt2880_priv { ++ struct device *dev; ++ ++ struct pinctrl_pin_desc *pads; ++ struct pinctrl_desc *desc; ++ ++ struct rt2880_pmx_func **func; ++ int func_count; ++ ++ struct rt2880_pmx_group *groups; ++ const char **group_names; ++ int group_count; ++ ++ uint8_t *gpio; ++ int max_pins; ++}; ++ ++struct rt2880_pmx_group *rt2880_pinmux_data = NULL; ++ ++static int rt2880_get_group_count(struct pinctrl_dev *pctrldev) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ return p->group_count; ++} ++ ++static const char *rt2880_get_group_name(struct pinctrl_dev *pctrldev, ++ unsigned group) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ if (group >= p->group_count) ++ return NULL; ++ ++ return p->group_names[group]; ++} ++ ++static int rt2880_get_group_pins(struct pinctrl_dev *pctrldev, ++ unsigned group, ++ const unsigned **pins, ++ unsigned *num_pins) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ if (group >= p->group_count) ++ return -EINVAL; ++ ++ *pins = p->groups[group].func[0].pins; ++ *num_pins = p->groups[group].func[0].pin_count; ++ ++ return 0; ++} ++ ++static void rt2880_pinctrl_dt_free_map(struct pinctrl_dev *pctrldev, ++ struct pinctrl_map *map, unsigned num_maps) ++{ ++ int i; ++ ++ for (i = 0; i < num_maps; i++) ++ if (map[i].type == PIN_MAP_TYPE_CONFIGS_PIN || ++ map[i].type == PIN_MAP_TYPE_CONFIGS_GROUP) ++ kfree(map[i].data.configs.configs); ++ kfree(map); ++} ++ ++static void rt2880_pinctrl_pin_dbg_show(struct pinctrl_dev *pctrldev, ++ struct seq_file *s, ++ unsigned offset) ++{ ++ seq_printf(s, "ralink pio"); ++} ++ ++static void rt2880_pinctrl_dt_subnode_to_map(struct pinctrl_dev *pctrldev, ++ struct device_node *np, ++ struct pinctrl_map **map) ++{ ++ const char *function; ++ int func = of_property_read_string(np, "ralink,function", &function); ++ int grps = of_property_count_strings(np, "ralink,group"); ++ int i; ++ ++ if (func || !grps) ++ return; ++ ++ for (i = 0; i < grps; i++) { ++ const char *group; ++ ++ of_property_read_string_index(np, "ralink,group", i, &group); ++ ++ (*map)->type = PIN_MAP_TYPE_MUX_GROUP; ++ (*map)->name = function; ++ (*map)->data.mux.group = group; ++ (*map)->data.mux.function = function; ++ (*map)++; ++ } ++} ++ ++static int rt2880_pinctrl_dt_node_to_map(struct pinctrl_dev *pctrldev, ++ struct device_node *np_config, ++ struct pinctrl_map **map, ++ unsigned *num_maps) ++{ ++ int max_maps = 0; ++ struct pinctrl_map *tmp; ++ struct device_node *np; ++ ++ for_each_child_of_node(np_config, np) { ++ int ret = of_property_count_strings(np, "ralink,group"); ++ ++ if (ret >= 0) ++ max_maps += ret; ++ } ++ ++ if (!max_maps) ++ return max_maps; ++ ++ *map = kzalloc(max_maps * sizeof(struct pinctrl_map), GFP_KERNEL); ++ if (!*map) ++ return -ENOMEM; ++ ++ tmp = *map; ++ ++ for_each_child_of_node(np_config, np) ++ rt2880_pinctrl_dt_subnode_to_map(pctrldev, np, &tmp); ++ *num_maps = max_maps; ++ ++ return 0; ++} ++ ++static const struct pinctrl_ops rt2880_pctrl_ops = { ++ .get_groups_count = rt2880_get_group_count, ++ .get_group_name = rt2880_get_group_name, ++ .get_group_pins = rt2880_get_group_pins, ++ .pin_dbg_show = rt2880_pinctrl_pin_dbg_show, ++ .dt_node_to_map = rt2880_pinctrl_dt_node_to_map, ++ .dt_free_map = rt2880_pinctrl_dt_free_map, ++}; ++ ++static int rt2880_pmx_func_count(struct pinctrl_dev *pctrldev) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ return p->func_count; ++} ++ ++static const char *rt2880_pmx_func_name(struct pinctrl_dev *pctrldev, ++ unsigned func) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ return p->func[func]->name; ++} ++ ++static int rt2880_pmx_group_get_groups(struct pinctrl_dev *pctrldev, ++ unsigned func, ++ const char * const **groups, ++ unsigned * const num_groups) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ if (p->func[func]->group_count == 1) ++ *groups = &p->group_names[p->func[func]->groups[0]]; ++ else ++ *groups = p->group_names; ++ ++ *num_groups = p->func[func]->group_count; ++ ++ return 0; ++} ++ ++static int rt2880_pmx_group_enable(struct pinctrl_dev *pctrldev, ++ unsigned func, ++ unsigned group) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ u32 mode = 0; ++ int i; ++ ++ /* dont allow double use */ ++ if (p->groups[group].enabled) { ++ dev_err(p->dev, "%s is already enabled\n", p->groups[group].name); ++ return -EBUSY; ++ } ++ ++ p->groups[group].enabled = 1; ++ p->func[func]->enabled = 1; ++ ++ mode = rt_sysc_r32(SYSC_REG_GPIO_MODE); ++ mode &= ~(p->groups[group].mask << p->groups[group].shift); ++ ++ /* mark the pins as gpio */ ++ for (i = 0; i < p->groups[group].func[0].pin_count; i++) ++ p->gpio[p->groups[group].func[0].pins[i]] = 1; ++ ++ /* function 0 is gpio and needs special handling */ ++ if (func == 0) { ++ mode |= p->groups[group].gpio << p->groups[group].shift; ++ } else { ++ for (i = 0; i < p->func[func]->pin_count; i++) ++ p->gpio[p->func[func]->pins[i]] = 0; ++ mode |= p->func[func]->value << p->groups[group].shift; ++ } ++ rt_sysc_w32(mode, SYSC_REG_GPIO_MODE); ++ ++ ++ return 0; ++} ++ ++static int rt2880_pmx_group_gpio_request_enable(struct pinctrl_dev *pctrldev, ++ struct pinctrl_gpio_range *range, ++ unsigned pin) ++{ ++ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev); ++ ++ if (!p->gpio[pin]) { ++ dev_err(p->dev, "pin %d is not set to gpio mux\n", pin); ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++static const struct pinmux_ops rt2880_pmx_group_ops = { ++ .get_functions_count = rt2880_pmx_func_count, ++ .get_function_name = rt2880_pmx_func_name, ++ .get_function_groups = rt2880_pmx_group_get_groups, ++ .set_mux = rt2880_pmx_group_enable, ++ .gpio_request_enable = rt2880_pmx_group_gpio_request_enable, ++}; ++ ++static struct pinctrl_desc rt2880_pctrl_desc = { ++ .owner = THIS_MODULE, ++ .name = "rt2880-pinmux", ++ .pctlops = &rt2880_pctrl_ops, ++ .pmxops = &rt2880_pmx_group_ops, ++}; ++ ++static struct rt2880_pmx_func gpio_func = { ++ .name = "gpio", ++}; ++ ++static int rt2880_pinmux_index(struct rt2880_priv *p) ++{ ++ struct rt2880_pmx_func **f; ++ struct rt2880_pmx_group *mux = p->groups; ++ int i, j, c = 0; ++ ++ /* count the mux functions */ ++ while (mux->name) { ++ p->group_count++; ++ mux++; ++ } ++ ++ /* allocate the group names array needed by the gpio function */ ++ p->group_names = devm_kzalloc(p->dev, sizeof(char *) * p->group_count, GFP_KERNEL); ++ if (!p->group_names) ++ return -1; ++ ++ for (i = 0; i < p->group_count; i++) { ++ p->group_names[i] = p->groups[i].name; ++ p->func_count += p->groups[i].func_count; ++ } ++ ++ /* we have a dummy function[0] for gpio */ ++ p->func_count++; ++ ++ /* allocate our function and group mapping index buffers */ ++ f = p->func = devm_kzalloc(p->dev, sizeof(struct rt2880_pmx_func) * p->func_count, GFP_KERNEL); ++ gpio_func.groups = devm_kzalloc(p->dev, sizeof(int) * p->group_count, GFP_KERNEL); ++ if (!f || !gpio_func.groups) ++ return -1; ++ ++ /* add a backpointer to the function so it knows its group */ ++ gpio_func.group_count = p->group_count; ++ for (i = 0; i < gpio_func.group_count; i++) ++ gpio_func.groups[i] = i; ++ ++ f[c] = &gpio_func; ++ c++; ++ ++ /* add remaining functions */ ++ for (i = 0; i < p->group_count; i++) { ++ for (j = 0; j < p->groups[i].func_count; j++) { ++ f[c] = &p->groups[i].func[j]; ++ f[c]->groups = devm_kzalloc(p->dev, sizeof(int), GFP_KERNEL); ++ f[c]->groups[0] = i; ++ f[c]->group_count = 1; ++ c++; ++ } ++ } ++ return 0; ++} ++ ++static int rt2880_pinmux_pins(struct rt2880_priv *p) ++{ ++ int i, j; ++ ++ /* loop over the functions and initialize the pins array. also work out the highest pin used */ ++ for (i = 0; i < p->func_count; i++) { ++ int pin; ++ ++ if (!p->func[i]->pin_count) ++ continue; ++ ++ p->func[i]->pins = devm_kzalloc(p->dev, sizeof(int) * p->func[i]->pin_count, GFP_KERNEL); ++ for (j = 0; j < p->func[i]->pin_count; j++) ++ p->func[i]->pins[j] = p->func[i]->pin_first + j; ++ ++ pin = p->func[i]->pin_first + p->func[i]->pin_count; ++ if (pin > p->max_pins) ++ p->max_pins = pin; ++ } ++ ++ /* the buffer that tells us which pins are gpio */ ++ p->gpio = devm_kzalloc(p->dev,sizeof(uint8_t) * p->max_pins, ++ GFP_KERNEL); ++ /* the pads needed to tell pinctrl about our pins */ ++ p->pads = devm_kzalloc(p->dev, ++ sizeof(struct pinctrl_pin_desc) * p->max_pins, ++ GFP_KERNEL); ++ if (!p->pads || !p->gpio ) { ++ dev_err(p->dev, "Failed to allocate gpio data\n"); ++ return -ENOMEM; ++ } ++ ++ memset(p->gpio, 1, sizeof(uint8_t) * p->max_pins); ++ for (i = 0; i < p->func_count; i++) { ++ if (!p->func[i]->pin_count) ++ continue; ++ ++ for (j = 0; j < p->func[i]->pin_count; j++) ++ p->gpio[p->func[i]->pins[j]] = 0; ++ } ++ ++ /* pin 0 is always a gpio */ ++ p->gpio[0] = 1; ++ ++ /* set the pads */ ++ for (i = 0; i < p->max_pins; i++) { ++ /* strlen("ioXY") + 1 = 5 */ ++ char *name = devm_kzalloc(p->dev, 5, GFP_KERNEL); ++ ++ if (!name) { ++ dev_err(p->dev, "Failed to allocate pad name\n"); ++ return -ENOMEM; ++ } ++ snprintf(name, 5, "io%d", i); ++ p->pads[i].number = i; ++ p->pads[i].name = name; ++ } ++ p->desc->pins = p->pads; ++ p->desc->npins = p->max_pins; ++ ++ return 0; ++} ++ ++static int rt2880_pinmux_probe(struct platform_device *pdev) ++{ ++ struct rt2880_priv *p; ++ struct pinctrl_dev *dev; ++ struct device_node *np; ++ ++ if (!rt2880_pinmux_data) ++ return -ENOSYS; ++ ++ /* setup the private data */ ++ p = devm_kzalloc(&pdev->dev, sizeof(struct rt2880_priv), GFP_KERNEL); ++ if (!p) ++ return -ENOMEM; ++ ++ p->dev = &pdev->dev; ++ p->desc = &rt2880_pctrl_desc; ++ p->groups = rt2880_pinmux_data; ++ platform_set_drvdata(pdev, p); ++ ++ /* init the device */ ++ if (rt2880_pinmux_index(p)) { ++ dev_err(&pdev->dev, "failed to load index\n"); ++ return -EINVAL; ++ } ++ if (rt2880_pinmux_pins(p)) { ++ dev_err(&pdev->dev, "failed to load pins\n"); ++ return -EINVAL; ++ } ++ dev = pinctrl_register(p->desc, &pdev->dev, p); ++ if (IS_ERR(dev)) ++ return PTR_ERR(dev); ++ ++ /* finalize by adding gpio ranges for enables gpio controllers */ ++ for_each_compatible_node(np, NULL, "ralink,rt2880-gpio") { ++ const __be32 *ngpio, *gpiobase; ++ struct pinctrl_gpio_range *range; ++ char *name; ++ ++ if (!of_device_is_available(np)) ++ continue; ++ ++ ngpio = of_get_property(np, "ralink,num-gpios", NULL); ++ gpiobase = of_get_property(np, "ralink,gpio-base", NULL); ++ if (!ngpio || !gpiobase) { ++ dev_err(&pdev->dev, "failed to load chip info\n"); ++ return -EINVAL; ++ } ++ ++ range = devm_kzalloc(p->dev, sizeof(struct pinctrl_gpio_range) + 4, GFP_KERNEL); ++ range->name = name = (char *) &range[1]; ++ sprintf(name, "pio"); ++ range->npins = __be32_to_cpu(*ngpio); ++ range->base = __be32_to_cpu(*gpiobase); ++ range->pin_base = range->base; ++ pinctrl_add_gpio_range(dev, range); ++ } ++ ++ return 0; ++} ++ ++static const struct of_device_id rt2880_pinmux_match[] = { ++ { .compatible = "ralink,rt2880-pinmux" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, rt2880_pinmux_match); ++ ++static struct platform_driver rt2880_pinmux_driver = { ++ .probe = rt2880_pinmux_probe, ++ .driver = { ++ .name = "rt2880-pinmux", ++ .owner = THIS_MODULE, ++ .of_match_table = rt2880_pinmux_match, ++ }, ++}; ++ ++int __init rt2880_pinmux_init(void) ++{ ++ return platform_driver_register(&rt2880_pinmux_driver); ++} ++ ++core_initcall_sync(rt2880_pinmux_init); diff --git a/target/linux/ramips/patches-3.18/0031-PCI-MIPS-adds-rt2880-pci-support.patch b/target/linux/ramips/patches-3.18/0031-PCI-MIPS-adds-rt2880-pci-support.patch new file mode 100644 index 0000000000..d3f16f4fac --- /dev/null +++ b/target/linux/ramips/patches-3.18/0031-PCI-MIPS-adds-rt2880-pci-support.patch @@ -0,0 +1,319 @@ +From 5b0bcc314005dd14eeae190948165a81eef7da1f Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:36:02 +0100 +Subject: [PATCH 31/57] PCI: MIPS: adds rt2880 pci support + +Add support for the pci found on the rt2880 SoC. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/pci/Makefile | 1 + + arch/mips/pci/pci-rt2880.c | 281 ++++++++++++++++++++++++++++++++++++++++++++ + arch/mips/ralink/Kconfig | 1 + + 3 files changed, 283 insertions(+) + create mode 100644 arch/mips/pci/pci-rt2880.c + +--- a/arch/mips/pci/Makefile ++++ b/arch/mips/pci/Makefile +@@ -43,6 +43,7 @@ obj-$(CONFIG_SNI_RM) += fixup-sni.o ops + obj-$(CONFIG_LANTIQ) += fixup-lantiq.o + obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o + obj-$(CONFIG_SOC_MT7621) += pci-mt7621.o ++obj-$(CONFIG_SOC_RT2880) += pci-rt2880.o + obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o + obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o + obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o +--- /dev/null ++++ b/arch/mips/pci/pci-rt2880.c +@@ -0,0 +1,281 @@ ++/* ++ * Ralink RT288x SoC PCI register definitions ++ * ++ * Copyright (C) 2009 John Crispin <blogic@openwrt.org> ++ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> ++ * ++ * Parts of this file are based on Ralink's 2.6.21 BSP ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ */ ++ ++#include <linux/types.h> ++#include <linux/pci.h> ++#include <linux/io.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/of_platform.h> ++#include <linux/of_irq.h> ++#include <linux/of_pci.h> ++ ++#include <asm/mach-ralink/rt288x.h> ++ ++#define RT2880_PCI_BASE 0x00440000 ++#define RT288X_CPU_IRQ_PCI 4 ++ ++#define RT2880_PCI_MEM_BASE 0x20000000 ++#define RT2880_PCI_MEM_SIZE 0x10000000 ++#define RT2880_PCI_IO_BASE 0x00460000 ++#define RT2880_PCI_IO_SIZE 0x00010000 ++ ++#define RT2880_PCI_REG_PCICFG_ADDR 0x00 ++#define RT2880_PCI_REG_PCIMSK_ADDR 0x0c ++#define RT2880_PCI_REG_BAR0SETUP_ADDR 0x10 ++#define RT2880_PCI_REG_IMBASEBAR0_ADDR 0x18 ++#define RT2880_PCI_REG_CONFIG_ADDR 0x20 ++#define RT2880_PCI_REG_CONFIG_DATA 0x24 ++#define RT2880_PCI_REG_MEMBASE 0x28 ++#define RT2880_PCI_REG_IOBASE 0x2c ++#define RT2880_PCI_REG_ID 0x30 ++#define RT2880_PCI_REG_CLASS 0x34 ++#define RT2880_PCI_REG_SUBID 0x38 ++#define RT2880_PCI_REG_ARBCTL 0x80 ++ ++static void __iomem *rt2880_pci_base; ++static DEFINE_SPINLOCK(rt2880_pci_lock); ++ ++static u32 rt2880_pci_reg_read(u32 reg) ++{ ++ return readl(rt2880_pci_base + reg); ++} ++ ++static void rt2880_pci_reg_write(u32 val, u32 reg) ++{ ++ writel(val, rt2880_pci_base + reg); ++} ++ ++static inline u32 rt2880_pci_get_cfgaddr(unsigned int bus, unsigned int slot, ++ unsigned int func, unsigned int where) ++{ ++ return ((bus << 16) | (slot << 11) | (func << 8) | (where & 0xfc) | ++ 0x80000000); ++} ++ ++static int rt2880_pci_config_read(struct pci_bus *bus, unsigned int devfn, ++ int where, int size, u32 *val) ++{ ++ unsigned long flags; ++ u32 address; ++ u32 data; ++ ++ address = rt2880_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn), ++ PCI_FUNC(devfn), where); ++ ++ spin_lock_irqsave(&rt2880_pci_lock, flags); ++ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); ++ data = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); ++ spin_unlock_irqrestore(&rt2880_pci_lock, flags); ++ ++ switch (size) { ++ case 1: ++ *val = (data >> ((where & 3) << 3)) & 0xff; ++ break; ++ case 2: ++ *val = (data >> ((where & 3) << 3)) & 0xffff; ++ break; ++ case 4: ++ *val = data; ++ break; ++ } ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static int rt2880_pci_config_write(struct pci_bus *bus, unsigned int devfn, ++ int where, int size, u32 val) ++{ ++ unsigned long flags; ++ u32 address; ++ u32 data; ++ ++ address = rt2880_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn), ++ PCI_FUNC(devfn), where); ++ ++ spin_lock_irqsave(&rt2880_pci_lock, flags); ++ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); ++ data = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); ++ ++ switch (size) { ++ case 1: ++ data = (data & ~(0xff << ((where & 3) << 3))) | ++ (val << ((where & 3) << 3)); ++ break; ++ case 2: ++ data = (data & ~(0xffff << ((where & 3) << 3))) | ++ (val << ((where & 3) << 3)); ++ break; ++ case 4: ++ data = val; ++ break; ++ } ++ ++ rt2880_pci_reg_write(data, RT2880_PCI_REG_CONFIG_DATA); ++ spin_unlock_irqrestore(&rt2880_pci_lock, flags); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static struct pci_ops rt2880_pci_ops = { ++ .read = rt2880_pci_config_read, ++ .write = rt2880_pci_config_write, ++}; ++ ++static struct resource rt2880_pci_mem_resource = { ++ .name = "PCI MEM space", ++ .start = RT2880_PCI_MEM_BASE, ++ .end = RT2880_PCI_MEM_BASE + RT2880_PCI_MEM_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct resource rt2880_pci_io_resource = { ++ .name = "PCI IO space", ++ .start = RT2880_PCI_IO_BASE, ++ .end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1, ++ .flags = IORESOURCE_IO, ++}; ++ ++static struct pci_controller rt2880_pci_controller = { ++ .pci_ops = &rt2880_pci_ops, ++ .mem_resource = &rt2880_pci_mem_resource, ++ .io_resource = &rt2880_pci_io_resource, ++}; ++ ++static inline u32 rt2880_pci_read_u32(unsigned long reg) ++{ ++ unsigned long flags; ++ u32 address; ++ u32 ret; ++ ++ address = rt2880_pci_get_cfgaddr(0, 0, 0, reg); ++ ++ spin_lock_irqsave(&rt2880_pci_lock, flags); ++ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); ++ ret = rt2880_pci_reg_read(RT2880_PCI_REG_CONFIG_DATA); ++ spin_unlock_irqrestore(&rt2880_pci_lock, flags); ++ ++ return ret; ++} ++ ++static inline void rt2880_pci_write_u32(unsigned long reg, u32 val) ++{ ++ unsigned long flags; ++ u32 address; ++ ++ address = rt2880_pci_get_cfgaddr(0, 0, 0, reg); ++ ++ spin_lock_irqsave(&rt2880_pci_lock, flags); ++ rt2880_pci_reg_write(address, RT2880_PCI_REG_CONFIG_ADDR); ++ rt2880_pci_reg_write(val, RT2880_PCI_REG_CONFIG_DATA); ++ spin_unlock_irqrestore(&rt2880_pci_lock, flags); ++} ++ ++int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ u16 cmd; ++ int irq = -1; ++ ++ if (dev->bus->number != 0) ++ return irq; ++ ++ switch (PCI_SLOT(dev->devfn)) { ++ case 0x00: ++ rt2880_pci_write_u32(PCI_BASE_ADDRESS_0, 0x08000000); ++ (void) rt2880_pci_read_u32(PCI_BASE_ADDRESS_0); ++ break; ++ case 0x11: ++ irq = RT288X_CPU_IRQ_PCI; ++ break; ++ default: ++ printk("%s:%s[%d] trying to alloc unknown pci irq\n", ++ __FILE__, __func__, __LINE__); ++ BUG(); ++ break; ++ } ++ ++ pci_write_config_byte((struct pci_dev*)dev, PCI_CACHE_LINE_SIZE, 0x14); ++ pci_write_config_byte((struct pci_dev*)dev, PCI_LATENCY_TIMER, 0xFF); ++ pci_read_config_word((struct pci_dev*)dev, PCI_COMMAND, &cmd); ++ cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | ++ PCI_COMMAND_INVALIDATE | PCI_COMMAND_FAST_BACK | ++ PCI_COMMAND_SERR | PCI_COMMAND_WAIT | PCI_COMMAND_PARITY; ++ pci_write_config_word((struct pci_dev*)dev, PCI_COMMAND, cmd); ++ pci_write_config_byte((struct pci_dev*)dev, PCI_INTERRUPT_LINE, ++ dev->irq); ++ return irq; ++} ++ ++static int rt288x_pci_probe(struct platform_device *pdev) ++{ ++ void __iomem *io_map_base; ++ int i; ++ ++ rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE); ++ ++ io_map_base = ioremap(RT2880_PCI_IO_BASE, RT2880_PCI_IO_SIZE); ++ rt2880_pci_controller.io_map_base = (unsigned long) io_map_base; ++ set_io_port_base((unsigned long) io_map_base); ++ ++ ioport_resource.start = RT2880_PCI_IO_BASE; ++ ioport_resource.end = RT2880_PCI_IO_BASE + RT2880_PCI_IO_SIZE - 1; ++ ++ rt2880_pci_reg_write(0, RT2880_PCI_REG_PCICFG_ADDR); ++ for(i = 0; i < 0xfffff; i++) {} ++ ++ rt2880_pci_reg_write(0x79, RT2880_PCI_REG_ARBCTL); ++ rt2880_pci_reg_write(0x07FF0001, RT2880_PCI_REG_BAR0SETUP_ADDR); ++ rt2880_pci_reg_write(RT2880_PCI_MEM_BASE, RT2880_PCI_REG_MEMBASE); ++ rt2880_pci_reg_write(RT2880_PCI_IO_BASE, RT2880_PCI_REG_IOBASE); ++ rt2880_pci_reg_write(0x08000000, RT2880_PCI_REG_IMBASEBAR0_ADDR); ++ rt2880_pci_reg_write(0x08021814, RT2880_PCI_REG_ID); ++ rt2880_pci_reg_write(0x00800001, RT2880_PCI_REG_CLASS); ++ rt2880_pci_reg_write(0x28801814, RT2880_PCI_REG_SUBID); ++ rt2880_pci_reg_write(0x000c0000, RT2880_PCI_REG_PCIMSK_ADDR); ++ ++ rt2880_pci_write_u32(PCI_BASE_ADDRESS_0, 0x08000000); ++ (void) rt2880_pci_read_u32(PCI_BASE_ADDRESS_0); ++ ++ register_pci_controller(&rt2880_pci_controller); ++ return 0; ++} ++ ++int pcibios_plat_dev_init(struct pci_dev *dev) ++{ ++ return 0; ++} ++ ++static const struct of_device_id rt288x_pci_match[] = { ++ { .compatible = "ralink,rt288x-pci" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, rt288x_pci_match); ++ ++static struct platform_driver rt288x_pci_driver = { ++ .probe = rt288x_pci_probe, ++ .driver = { ++ .name = "rt288x-pci", ++ .owner = THIS_MODULE, ++ .of_match_table = rt288x_pci_match, ++ }, ++}; ++ ++int __init pcibios_init(void) ++{ ++ int ret = platform_driver_register(&rt288x_pci_driver); ++ if (ret) ++ pr_info("rt288x-pci: Error registering platform driver!"); ++ return ret; ++} ++ ++arch_initcall(pcibios_init); +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -21,6 +21,7 @@ choice + config SOC_RT288X + bool "RT288x" + select MIPS_L1_CACHE_SHIFT_4 ++ select HW_HAS_PCI + + config SOC_RT305X + bool "RT305x" diff --git a/target/linux/ramips/patches-3.18/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch b/target/linux/ramips/patches-3.18/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch new file mode 100644 index 0000000000..03f8a92c8d --- /dev/null +++ b/target/linux/ramips/patches-3.18/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch @@ -0,0 +1,442 @@ +From 307b7a71a634ae3848fb7c5c05759d647e140e12 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sat, 18 May 2013 22:06:15 +0200 +Subject: [PATCH 32/57] PCI: MIPS: adds mt7620a pcie driver + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/pci/Makefile | 1 + + arch/mips/pci/pci-mt7620.c | 363 +++++++++++++++++++++++++++++++++++++++++++ + arch/mips/ralink/Kconfig | 1 + + 3 files changed, 365 insertions(+) + create mode 100644 arch/mips/pci/pci-mt7620.c + +--- a/arch/mips/pci/Makefile ++++ b/arch/mips/pci/Makefile +@@ -43,6 +43,7 @@ obj-$(CONFIG_SNI_RM) += fixup-sni.o ops + obj-$(CONFIG_LANTIQ) += fixup-lantiq.o + obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o + obj-$(CONFIG_SOC_MT7621) += pci-mt7621.o ++obj-$(CONFIG_SOC_MT7620) += pci-mt7620.o + obj-$(CONFIG_SOC_RT2880) += pci-rt2880.o + obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o + obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o +--- /dev/null ++++ b/arch/mips/pci/pci-mt7620.c +@@ -0,0 +1,396 @@ ++/* ++ * Ralink MT7620A SoC PCI support ++ * ++ * Copyright (C) 2007-2013 Bruce Chang ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ */ ++ ++#include <linux/types.h> ++#include <linux/pci.h> ++#include <linux/io.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++#include <linux/interrupt.h> ++#include <linux/module.h> ++#include <linux/of.h> ++#include <linux/of_irq.h> ++#include <linux/of_pci.h> ++#include <linux/reset.h> ++#include <linux/platform_device.h> ++ ++#include <asm/mach-ralink/ralink_regs.h> ++#include <asm/mach-ralink/mt7620.h> ++ ++#define RALINK_PCI_MM_MAP_BASE 0x20000000 ++#define RALINK_PCI_IO_MAP_BASE 0x10160000 ++ ++#define RALINK_INT_PCIE0 4 ++#define RALINK_SYSCFG1 0x14 ++#define RALINK_CLKCFG1 0x30 ++#define RALINK_GPIOMODE 0x60 ++#define RALINK_PCIE_CLK_GEN 0x7c ++#define RALINK_PCIE_CLK_GEN1 0x80 ++#define PCIEPHY0_CFG 0x90 ++#define PPLL_CFG1 0x9c ++#define PPLL_DRV 0xa0 ++#define PDRV_SW_SET (1<<31) ++#define LC_CKDRVPD_ (1<<19) ++ ++#define RALINK_PCI_CONFIG_ADDR 0x20 ++#define RALINK_PCI_CONFIG_DATA_VIRT_REG 0x24 ++#define MEMORY_BASE 0x0 ++#define RALINK_PCIE0_RST (1<<26) ++#define RALINK_PCI_BASE 0xB0140000 ++#define RALINK_PCI_MEMBASE 0x28 ++#define RALINK_PCI_IOBASE 0x2C ++ ++#define RT6855_PCIE0_OFFSET 0x2000 ++ ++#define RALINK_PCI_PCICFG_ADDR 0x00 ++#define RALINK_PCI0_BAR0SETUP_ADDR 0x10 ++#define RALINK_PCI0_IMBASEBAR0_ADDR 0x18 ++#define RALINK_PCI0_ID 0x30 ++#define RALINK_PCI0_CLASS 0x34 ++#define RALINK_PCI0_SUBID 0x38 ++#define RALINK_PCI0_STATUS 0x50 ++#define RALINK_PCI_PCIMSK_ADDR 0x0C ++ ++#define RALINK_PCIEPHY_P0_CTL_OFFSET 0x7498 ++#define RALINK_PCIE0_CLK_EN (1 << 26) ++ ++#define BUSY 0x80000000 ++#define WAITRETRY_MAX 10 ++#define WRITE_MODE (1UL << 23) ++#define DATA_SHIFT 0 ++#define ADDR_SHIFT 8 ++ ++static void __iomem *bridge_base; ++static void __iomem *pcie_base; ++ ++static struct reset_control *rstpcie0; ++ ++static inline void bridge_w32(u32 val, unsigned reg) ++{ ++ iowrite32(val, bridge_base + reg); ++} ++ ++static inline u32 bridge_r32(unsigned reg) ++{ ++ return ioread32(bridge_base + reg); ++} ++ ++static inline void pcie_w32(u32 val, unsigned reg) ++{ ++ iowrite32(val, pcie_base + reg); ++} ++ ++static inline u32 pcie_r32(unsigned reg) ++{ ++ return ioread32(pcie_base + reg); ++} ++ ++static inline void pcie_m32(u32 clr, u32 set, unsigned reg) ++{ ++ u32 val = pcie_r32(reg); ++ ++ val &= ~clr; ++ val |= set; ++ pcie_w32(val, reg); ++} ++ ++static int wait_pciephy_busy(void) ++{ ++ unsigned long reg_value = 0x0, retry = 0; ++ ++ while (1) { ++ reg_value = pcie_r32(PCIEPHY0_CFG); ++ ++ if (reg_value & BUSY) ++ mdelay(100); ++ else ++ break; ++ if (retry++ > WAITRETRY_MAX){ ++ printk("PCIE-PHY retry failed.\n"); ++ return -1; ++ } ++ } ++ return 0; ++} ++ ++static void pcie_phy(unsigned long addr, unsigned long val) ++{ ++ wait_pciephy_busy(); ++ pcie_w32(WRITE_MODE | (val << DATA_SHIFT) | (addr << ADDR_SHIFT), PCIEPHY0_CFG); ++ mdelay(1); ++ wait_pciephy_busy(); ++} ++ ++static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) ++{ ++ unsigned int slot = PCI_SLOT(devfn); ++ u8 func = PCI_FUNC(devfn); ++ u32 address; ++ u32 data; ++ u32 num = 0; ++ ++ if (bus) ++ num = bus->number; ++ ++ address = (((where & 0xF00) >> 8) << 24) | (num << 16) | (slot << 11) | (func << 8) | (where & 0xfc) | 0x80000000; ++ bridge_w32(address, RALINK_PCI_CONFIG_ADDR); ++ data = bridge_r32(RALINK_PCI_CONFIG_DATA_VIRT_REG); ++ ++ switch (size) { ++ case 1: ++ *val = (data >> ((where & 3) << 3)) & 0xff; ++ break; ++ case 2: ++ *val = (data >> ((where & 3) << 3)) & 0xffff; ++ break; ++ case 4: ++ *val = data; ++ break; ++ } ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) ++{ ++ unsigned int slot = PCI_SLOT(devfn); ++ u8 func = PCI_FUNC(devfn); ++ u32 address; ++ u32 data; ++ u32 num = 0; ++ ++ if (bus) ++ num = bus->number; ++ ++ address = (((where & 0xF00) >> 8) << 24) | (num << 16) | (slot << 11) | (func << 8) | (where & 0xfc) | 0x80000000; ++ bridge_w32(address, RALINK_PCI_CONFIG_ADDR); ++ data = bridge_r32(RALINK_PCI_CONFIG_DATA_VIRT_REG); ++ ++ switch (size) { ++ case 1: ++ data = (data & ~(0xff << ((where & 3) << 3))) | ++ (val << ((where & 3) << 3)); ++ break; ++ case 2: ++ data = (data & ~(0xffff << ((where & 3) << 3))) | ++ (val << ((where & 3) << 3)); ++ break; ++ case 4: ++ data = val; ++ break; ++ } ++ ++ bridge_w32(data, RALINK_PCI_CONFIG_DATA_VIRT_REG); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++struct pci_ops mt7620_pci_ops= { ++ .read = pci_config_read, ++ .write = pci_config_write, ++}; ++ ++static struct resource mt7620_res_pci_mem1; ++static struct resource mt7620_res_pci_io1; ++struct pci_controller mt7620_controller = { ++ .pci_ops = &mt7620_pci_ops, ++ .mem_resource = &mt7620_res_pci_mem1, ++ .mem_offset = 0x00000000UL, ++ .io_resource = &mt7620_res_pci_io1, ++ .io_offset = 0x00000000UL, ++ .io_map_base = 0xa0000000, ++}; ++ ++static int mt7620_pci_hw_init(struct platform_device *pdev) { ++ /* PCIE: bypass PCIe DLL */ ++ pcie_phy(0x0, 0x80); ++ pcie_phy(0x1, 0x04); ++ ++ /* PCIE: Elastic buffer control */ ++ pcie_phy(0x68, 0xB4); ++ ++ pcie_m32(0, BIT(1), RALINK_PCI_PCICFG_ADDR); ++ ++ reset_control_assert(rstpcie0); ++ ++ rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1); ++ rt_sysc_m32(BIT(19), BIT(31), PPLL_DRV); ++ ++ reset_control_deassert(rstpcie0); ++ rt_sysc_m32(0, RALINK_PCIE0_CLK_EN, RALINK_CLKCFG1); ++ ++ mdelay(100); ++ ++ if (!(rt_sysc_r32(PPLL_CFG1) & BIT(23))) { ++ dev_err(&pdev->dev, "MT7620 PPLL unlock\n"); ++ reset_control_assert(rstpcie0); ++ rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1); ++ return -1; ++ } ++ rt_sysc_m32(BIT(18) | BIT(17), BIT(19) | BIT(31), PPLL_DRV); ++ ++ return 0; ++} ++ ++static int mt7628_pci_hw_init(struct platform_device *pdev) { ++ u32 val = 0; ++ ++ rt_sysc_m32(BIT(16), 0, RALINK_GPIOMODE); ++ reset_control_deassert(rstpcie0); ++ rt_sysc_m32(0, RALINK_PCIE0_CLK_EN, RALINK_CLKCFG1); ++ mdelay(100); ++ ++ pcie_m32(~0xff, 0x5, RALINK_PCIEPHY_P0_CTL_OFFSET); ++ ++ pci_config_read(NULL, 0, 0x70c, 4, &val); ++ val &= ~(0xff) << 8; ++ val |= 0x50 << 8; ++ pci_config_write(NULL, 0, 0x70c, 4, val); ++ ++ pci_config_read(NULL, 0, 0x70c, 4, &val); ++ dev_err(&pdev->dev, "Port 0 N_FTS = %x\n", (unsigned int) val); ++ ++ return 0; ++} ++ ++static int mt7620_pci_probe(struct platform_device *pdev) ++{ ++ struct resource *bridge_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ struct resource *pcie_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); ++ u32 val = 0; ++ ++ rstpcie0 = devm_reset_control_get(&pdev->dev, "pcie0"); ++ if (IS_ERR(rstpcie0)) ++ return PTR_ERR(rstpcie0); ++ ++ bridge_base = devm_ioremap_resource(&pdev->dev, bridge_res); ++ if (!bridge_base) ++ return -ENOMEM; ++ ++ pcie_base = devm_ioremap_resource(&pdev->dev, pcie_res); ++ if (!pcie_base) ++ return -ENOMEM; ++ ++ iomem_resource.start = 0; ++ iomem_resource.end = ~0; ++ ioport_resource.start = 0; ++ ioport_resource.end = ~0; ++ ++ /* bring up the pci core */ ++ switch (ralink_soc) { ++ case MT762X_SOC_MT7620A: ++ if (mt7620_pci_hw_init(pdev)) ++ return -1; ++ break; ++ ++ case MT762X_SOC_MT7628AN: ++ if (mt7628_pci_hw_init(pdev)) ++ return -1; ++ break; ++ ++ default: ++ dev_err(&pdev->dev, "pcie is not supported on this hardware\n"); ++ return -1; ++ } ++ mdelay(50); ++ ++ /* enable write access */ ++ pcie_m32(BIT(1), 0, RALINK_PCI_PCICFG_ADDR); ++ mdelay(100); ++ ++ /* check if there is a card present */ ++ if ((pcie_r32(RALINK_PCI0_STATUS) & 0x1) == 0) { ++ reset_control_assert(rstpcie0); ++ rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1); ++ if (ralink_soc == MT762X_SOC_MT7620A) ++ rt_sysc_m32(LC_CKDRVPD_, PDRV_SW_SET, PPLL_DRV); ++ dev_err(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n"); ++ return -1; ++ } ++ ++ /* setup ranges */ ++ bridge_w32(0xffffffff, RALINK_PCI_MEMBASE); ++ bridge_w32(RALINK_PCI_IO_MAP_BASE, RALINK_PCI_IOBASE); ++ ++ pcie_w32(0x7FFF0001, RALINK_PCI0_BAR0SETUP_ADDR); ++ pcie_w32(MEMORY_BASE, RALINK_PCI0_IMBASEBAR0_ADDR); ++ pcie_w32(0x06040001, RALINK_PCI0_CLASS); ++ ++ /* enable interrupts */ ++ pcie_m32(0, BIT(20), RALINK_PCI_PCIMSK_ADDR); ++ ++ /* voodoo from the SDK driver */ ++ pci_config_read(NULL, 0, 4, 4, &val); ++ pci_config_write(NULL, 0, 4, 4, val | 0x7); ++ ++ pci_load_of_ranges(&mt7620_controller, pdev->dev.of_node); ++ register_pci_controller(&mt7620_controller); ++ ++ return 0; ++} ++ ++int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ u16 cmd; ++ u32 val; ++ int irq = 0; ++ ++ if ((dev->bus->number == 0) && (slot == 0)) { ++ pcie_w32(0x7FFF0001, RALINK_PCI0_BAR0SETUP_ADDR); //open 7FFF:2G; ENABLE ++ pci_config_write(dev->bus, 0, PCI_BASE_ADDRESS_0, 4, MEMORY_BASE); ++ pci_config_read(dev->bus, 0, PCI_BASE_ADDRESS_0, 4, &val); ++ } else if ((dev->bus->number == 1) && (slot == 0x0)) { ++ irq = RALINK_INT_PCIE0; ++ } else { ++ dev_err(&dev->dev, "no irq found - bus=0x%x, slot = 0x%x\n", dev->bus->number, slot); ++ return 0; ++ } ++ dev_err(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n", dev->bus->number, slot, irq); ++ ++ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0x14); //configure cache line size 0x14 ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xFF); //configure latency timer 0x10 ++ pci_read_config_word(dev, PCI_COMMAND, &cmd); ++ ++ // FIXME ++ cmd = cmd | PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY; ++ pci_write_config_word(dev, PCI_COMMAND, cmd); ++ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); ++ //pci_write_config_byte(dev, PCI_INTERRUPT_PIN, dev->irq); ++ ++ return irq; ++} ++ ++int pcibios_plat_dev_init(struct pci_dev *dev) ++{ ++ return 0; ++} ++ ++static const struct of_device_id mt7620_pci_ids[] = { ++ { .compatible = "mediatek,mt7620-pci" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mt7620_pci_ids); ++ ++static struct platform_driver mt7620_pci_driver = { ++ .probe = mt7620_pci_probe, ++ .driver = { ++ .name = "mt7620-pci", ++ .owner = THIS_MODULE, ++ .of_match_table = of_match_ptr(mt7620_pci_ids), ++ }, ++}; ++ ++static int __init mt7620_pci_init(void) ++{ ++ return platform_driver_register(&mt7620_pci_driver); ++} ++ ++arch_initcall(mt7620_pci_init); +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -33,6 +33,7 @@ choice + + config SOC_MT7620 + bool "MT7620/8" ++ select HW_HAS_PCI + + config SOC_MT7621 + bool "MT7621" +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -19,6 +19,7 @@ enum mt762x_soc_type { + MT762X_SOC_MT7620N, + MT762X_SOC_MT7628AN, + }; ++extern enum mt762x_soc_type mt762x_soc; + + #define MT7620_SYSC_BASE 0x10000000 + diff --git a/target/linux/ramips/patches-3.18/0033-NET-multi-phy-support.patch b/target/linux/ramips/patches-3.18/0033-NET-multi-phy-support.patch new file mode 100644 index 0000000000..2cd8633288 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0033-NET-multi-phy-support.patch @@ -0,0 +1,53 @@ +From 9c34372c25519234add1cfdfe2b69c0847f2037e Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:38:50 +0100 +Subject: [PATCH 33/57] NET: multi phy support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/net/phy/phy.c | 9 ++++++--- + include/linux/phy.h | 1 + + 2 files changed, 7 insertions(+), 3 deletions(-) + +--- a/drivers/net/phy/phy.c ++++ b/drivers/net/phy/phy.c +@@ -819,7 +819,8 @@ void phy_state_machine(struct work_struc + /* If the link is down, give up on negotiation for now */ + if (!phydev->link) { + phydev->state = PHY_NOLINK; +- netif_carrier_off(phydev->attached_dev); ++ if (!phydev->no_auto_carrier_off) ++ netif_carrier_off(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + break; + } +@@ -892,7 +893,8 @@ void phy_state_machine(struct work_struc + netif_carrier_on(phydev->attached_dev); + } else { + phydev->state = PHY_NOLINK; +- netif_carrier_off(phydev->attached_dev); ++ if (!phydev->no_auto_carrier_off) ++ netif_carrier_off(phydev->attached_dev); + } + + phydev->adjust_link(phydev->attached_dev); +@@ -904,7 +906,8 @@ void phy_state_machine(struct work_struc + case PHY_HALTED: + if (phydev->link) { + phydev->link = 0; +- netif_carrier_off(phydev->attached_dev); ++ if (!phydev->no_auto_carrier_off) ++ netif_carrier_off(phydev->attached_dev); + phydev->adjust_link(phydev->attached_dev); + do_suspend = true; + } +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -363,6 +363,7 @@ struct phy_device { + struct phy_c45_device_ids c45_ids; + bool is_c45; + bool is_internal; ++ bool no_auto_carrier_off; + bool has_fixups; + + enum phy_state state; diff --git a/target/linux/ramips/patches-3.18/0034-NET-add-of_get_mac_address_mtd.patch b/target/linux/ramips/patches-3.18/0034-NET-add-of_get_mac_address_mtd.patch new file mode 100644 index 0000000000..cf66726f18 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0034-NET-add-of_get_mac_address_mtd.patch @@ -0,0 +1,76 @@ +From 92f38460229a8816404408f036f0a374f1013d0e Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:40:01 +0100 +Subject: [PATCH 34/57] NET: add of_get_mac_address_mtd() + +Many embedded devices have information such as mac addresses stored inside mtd +devices. This patch allows us to add a property inside a node describing a +network interface. The new property points at a mtd partition with an offset +where the mac address can be found. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/of/of_net.c | 37 +++++++++++++++++++++++++++++++++++++ + include/linux/of_net.h | 1 + + 2 files changed, 38 insertions(+) + +--- a/drivers/of/of_net.c ++++ b/drivers/of/of_net.c +@@ -10,6 +10,7 @@ + #include <linux/of_net.h> + #include <linux/phy.h> + #include <linux/export.h> ++#include <linux/mtd/mtd.h> + + /** + * of_get_phy_mode - Get phy mode for given device_node +@@ -75,3 +76,39 @@ const void *of_get_mac_address(struct de + return NULL; + } + EXPORT_SYMBOL(of_get_mac_address); ++ ++int of_get_mac_address_mtd(struct device_node *np, void *mac) ++{ ++ struct device_node *mtd_np = NULL; ++ size_t retlen; ++ int size, ret; ++ struct mtd_info *mtd; ++ const char *part; ++ const __be32 *list; ++ phandle phandle; ++ ++ list = of_get_property(np, "mtd-mac-address", &size); ++ if (!list || (size != (2 * sizeof(*list)))) ++ return -ENOENT; ++ ++ phandle = be32_to_cpup(list++); ++ if (phandle) ++ mtd_np = of_find_node_by_phandle(phandle); ++ ++ if (!mtd_np) ++ return -ENOENT; ++ ++ part = of_get_property(mtd_np, "label", NULL); ++ if (!part) ++ part = mtd_np->name; ++ ++ mtd = get_mtd_device_nm(part); ++ if (IS_ERR(mtd)) ++ return PTR_ERR(mtd); ++ ++ ret = mtd_read(mtd, be32_to_cpup(list), 6, &retlen, (u_char *) mac); ++ put_mtd_device(mtd); ++ ++ return ret; ++} ++EXPORT_SYMBOL_GPL(of_get_mac_address_mtd); +--- a/include/linux/of_net.h ++++ b/include/linux/of_net.h +@@ -11,6 +11,7 @@ + #include <linux/of.h> + extern int of_get_phy_mode(struct device_node *np); + extern const void *of_get_mac_address(struct device_node *np); ++extern int of_get_mac_address_mtd(struct device_node *np, void *mac); + #else + static inline int of_get_phy_mode(struct device_node *np) + { diff --git a/target/linux/ramips/patches-3.18/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch b/target/linux/ramips/patches-3.18/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch new file mode 100644 index 0000000000..ede6d7d476 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0035-NET-MIPS-add-ralink-SoC-ethernet-driver.patch @@ -0,0 +1,39 @@ +From c55d6cf3e2c593bf7d228c6532ec9bd8da82e09d Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 22 Apr 2013 23:20:03 +0200 +Subject: [PATCH 35/57] NET: MIPS: add ralink SoC ethernet driver + +Add support for Ralink FE and ESW. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- +--- a/arch/mips/ralink/rt305x.c ++++ b/arch/mips/ralink/rt305x.c +@@ -199,6 +199,7 @@ void __init ralink_clk_init(void) + } + + ralink_clk_add("cpu", cpu_rate); ++ ralink_clk_add("sys", sys_rate); + ralink_clk_add("10000b00.spi", sys_rate); + ralink_clk_add("10000100.timer", wdt_rate); + ralink_clk_add("10000120.watchdog", wdt_rate); +--- a/drivers/net/ethernet/Kconfig ++++ b/drivers/net/ethernet/Kconfig +@@ -152,6 +152,7 @@ source "drivers/net/ethernet/packetengin + source "drivers/net/ethernet/pasemi/Kconfig" + source "drivers/net/ethernet/qlogic/Kconfig" + source "drivers/net/ethernet/qualcomm/Kconfig" ++source "drivers/net/ethernet/ralink/Kconfig" + source "drivers/net/ethernet/realtek/Kconfig" + source "drivers/net/ethernet/renesas/Kconfig" + source "drivers/net/ethernet/rdc/Kconfig" +--- a/drivers/net/ethernet/Makefile ++++ b/drivers/net/ethernet/Makefile +@@ -62,6 +62,7 @@ obj-$(CONFIG_NET_PACKET_ENGINE) += packe + obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/ + obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/ + obj-$(CONFIG_NET_VENDOR_QUALCOMM) += qualcomm/ ++obj-$(CONFIG_NET_RALINK) += ralink/ + obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/ + obj-$(CONFIG_SH_ETH) += renesas/ + obj-$(CONFIG_NET_VENDOR_RDC) += rdc/ diff --git a/target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch b/target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch new file mode 100644 index 0000000000..a27002a769 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0037-USB-phy-add-ralink-SoC-driver.patch @@ -0,0 +1,201 @@ +--- a/drivers/phy/Kconfig ++++ b/drivers/phy/Kconfig +@@ -239,6 +239,11 @@ + help + This option enables support for APM X-Gene SoC multi-purpose PHY. + ++config PHY_RALINK_USB ++ tristate "Ralink USB PHY driver" ++ select GENERIC_PHY ++ depends on RALINK ++ + config PHY_STIH407_USB + tristate "STMicroelectronics USB2 picoPHY driver for STiH407 family" + depends on RESET_CONTROLLER +--- a/drivers/phy/Makefile ++++ b/drivers/phy/Makefile +@@ -31,3 +31,4 @@ + obj-$(CONFIG_PHY_XGENE) += phy-xgene.o + obj-$(CONFIG_PHY_STIH407_USB) += phy-stih407-usb.o + obj-$(CONFIG_PHY_STIH41X_USB) += phy-stih41x-usb.o ++obj-$(CONFIG_PHY_RALINK_USB) += phy-ralink-usb.o +--- /dev/null ++++ b/drivers/phy/phy-ralink-usb.c +@@ -0,0 +1,177 @@ ++/* ++ * Allwinner ralink USB phy driver ++ * ++ * Copyright (C) 2014 John Crispin <blogic@openwrt.org> ++ * ++ * Based on code from ++ * Allwinner Technology Co., Ltd. <www.allwinnertech.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ */ ++ ++#include <linux/delay.h> ++#include <linux/err.h> ++#include <linux/io.h> ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/mutex.h> ++#include <linux/phy/phy.h> ++#include <linux/platform_device.h> ++#include <linux/reset.h> ++#include <linux/of_platform.h> ++ ++#include <asm/mach-ralink/ralink_regs.h> ++ ++#define RT_SYSC_REG_SYSCFG1 0x014 ++#define RT_SYSC_REG_CLKCFG1 0x030 ++#define RT_SYSC_REG_USB_PHY_CFG 0x05c ++ ++#define RT_RSTCTRL_UDEV BIT(25) ++#define RT_RSTCTRL_UHST BIT(22) ++#define RT_SYSCFG1_USB0_HOST_MODE BIT(10) ++ ++#define MT7620_CLKCFG1_UPHY0_CLK_EN BIT(25) ++#define MT7620_CLKCFG1_UPHY1_CLK_EN BIT(22) ++#define RT_CLKCFG1_UPHY1_CLK_EN BIT(20) ++#define RT_CLKCFG1_UPHY0_CLK_EN BIT(18) ++ ++#define USB_PHY_UTMI_8B60M BIT(1) ++#define UDEV_WAKEUP BIT(0) ++ ++static atomic_t usb_pwr_ref = ATOMIC_INIT(0); ++static struct reset_control *rstdev; ++static struct reset_control *rsthost; ++static u32 phy_clk; ++static struct phy *rt_phy; ++ ++static void usb_phy_enable(int state) ++{ ++ if (state) ++ rt_sysc_m32(0, phy_clk, RT_SYSC_REG_CLKCFG1); ++ else ++ rt_sysc_m32(phy_clk, 0, RT_SYSC_REG_CLKCFG1); ++ mdelay(100); ++} ++ ++static int ralink_usb_phy_init(struct phy *_phy) ++{ ++ return 0; ++} ++ ++static int ralink_usb_phy_exit(struct phy *_phy) ++{ ++ return 0; ++} ++ ++static int ralink_usb_phy_power_on(struct phy *_phy) ++{ ++ if (atomic_inc_return(&usb_pwr_ref) == 1) { ++ int host = 1; ++ u32 t; ++ ++ usb_phy_enable(1); ++ ++ if (host) { ++ rt_sysc_m32(0, RT_SYSCFG1_USB0_HOST_MODE, RT_SYSC_REG_SYSCFG1); ++ if (!IS_ERR(rsthost)) ++ reset_control_deassert(rsthost); ++ if (!IS_ERR(rstdev)) ++ reset_control_deassert(rstdev); ++ } else { ++ rt_sysc_m32(RT_SYSCFG1_USB0_HOST_MODE, 0, RT_SYSC_REG_SYSCFG1); ++ if (!IS_ERR(rstdev)) ++ reset_control_deassert(rstdev); ++ } ++ mdelay(100); ++ ++ t = rt_sysc_r32(RT_SYSC_REG_USB_PHY_CFG); ++ dev_info(&_phy->dev, "remote usb device wakeup %s\n", ++ (t & UDEV_WAKEUP) ? ("enabbled") : ("disabled")); ++ if (t & USB_PHY_UTMI_8B60M) ++ dev_info(&_phy->dev, "UTMI 8bit 60MHz\n"); ++ else ++ dev_info(&_phy->dev, "UTMI 16bit 30MHz\n"); ++ } ++ ++ return 0; ++} ++ ++static int ralink_usb_phy_power_off(struct phy *_phy) ++{ ++ if (atomic_dec_return(&usb_pwr_ref) == 0) { ++ usb_phy_enable(0); ++ if (!IS_ERR(rstdev)) ++ reset_control_assert(rstdev); ++ if (!IS_ERR(rsthost)) ++ reset_control_assert(rsthost); ++ } ++ ++ return 0; ++} ++ ++static struct phy_ops ralink_usb_phy_ops = { ++ .init = ralink_usb_phy_init, ++ .exit = ralink_usb_phy_exit, ++ .power_on = ralink_usb_phy_power_on, ++ .power_off = ralink_usb_phy_power_off, ++ .owner = THIS_MODULE, ++}; ++ ++static struct phy *ralink_usb_phy_xlate(struct device *dev, ++ struct of_phandle_args *args) ++{ ++ return rt_phy; ++} ++ ++static const struct of_device_id ralink_usb_phy_of_match[] = { ++ { .compatible = "ralink,rt3xxx-usbphy", .data = (void *) (RT_CLKCFG1_UPHY1_CLK_EN | RT_CLKCFG1_UPHY0_CLK_EN) }, ++ { .compatible = "ralink,mt7620a-usbphy", .data = (void *) (MT7620_CLKCFG1_UPHY1_CLK_EN | MT7620_CLKCFG1_UPHY0_CLK_EN) }, ++ { }, ++}; ++MODULE_DEVICE_TABLE(of, ralink_usb_phy_of_match); ++ ++static int ralink_usb_phy_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct phy_provider *phy_provider; ++ const struct of_device_id *match; ++ ++ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ match = of_match_device(ralink_usb_phy_of_match, &pdev->dev); ++ phy_clk = (int) match->data; ++ ++ rsthost = devm_reset_control_get(&pdev->dev, "host"); ++ rstdev = devm_reset_control_get(&pdev->dev, "device"); ++ ++ rt_phy = devm_phy_create(dev, NULL, &ralink_usb_phy_ops, NULL); ++ if (IS_ERR(rt_phy)) { ++ dev_err(dev, "failed to create PHY\n"); ++ return PTR_ERR(rt_phy); ++ } ++ ++ phy_provider = devm_of_phy_provider_register(dev, ralink_usb_phy_xlate); ++printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ ++ return PTR_ERR_OR_ZERO(phy_provider); ++} ++ ++static struct platform_driver ralink_usb_phy_driver = { ++ .probe = ralink_usb_phy_probe, ++ .driver = { ++ .of_match_table = ralink_usb_phy_of_match, ++ .name = "ralink-usb-phy", ++ } ++}; ++module_platform_driver(ralink_usb_phy_driver); ++ ++MODULE_DESCRIPTION("Ralink USB phy driver"); ++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); ++MODULE_LICENSE("GPL v2"); diff --git a/target/linux/ramips/patches-3.18/0038-USB-add-OHCI-EHCI-OF-binding.patch b/target/linux/ramips/patches-3.18/0038-USB-add-OHCI-EHCI-OF-binding.patch new file mode 100644 index 0000000000..3012c1c9b5 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0038-USB-add-OHCI-EHCI-OF-binding.patch @@ -0,0 +1,34 @@ +From ffb27de4760595c356ef619c97f25722c8db28e7 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:49:07 +0100 +Subject: [PATCH 38/57] USB: add OHCI/EHCI OF binding + +based on f3bc64d6d1f21c1b92d75f233a37b75d77af6963 + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/usb/Makefile | 3 ++- + drivers/usb/host/ehci-platform.c | 21 +++++++++++++++++---- + drivers/usb/host/ohci-platform.c | 37 +++++++++++++++++++++++++++++++------ + 3 files changed, 50 insertions(+), 11 deletions(-) + +--- a/drivers/usb/host/ehci-platform.c ++++ b/drivers/usb/host/ehci-platform.c +@@ -359,6 +373,7 @@ static int ehci_platform_resume(struct d + static const struct of_device_id vt8500_ehci_ids[] = { + { .compatible = "via,vt8500-ehci", }, + { .compatible = "wm,prizm-ehci", }, ++ { .compatible = "ralink,rt3xxx-ehci", }, + { .compatible = "generic-ehci", }, + {} + }; +--- a/drivers/usb/host/ohci-platform.c ++++ b/drivers/usb/host/ohci-platform.c +@@ -342,6 +358,7 @@ static int ohci_platform_resume(struct d + #endif /* CONFIG_PM */ + + static const struct of_device_id ohci_platform_ids[] = { ++ { .compatible = "ralink,rt3xxx-ohci", }, + { .compatible = "generic-ohci", }, + { } + }; diff --git a/target/linux/ramips/patches-3.18/0041-mtd-fix-cfi-cmdset-0002-erase-status-check.patch b/target/linux/ramips/patches-3.18/0041-mtd-fix-cfi-cmdset-0002-erase-status-check.patch new file mode 100644 index 0000000000..b51756dbfa --- /dev/null +++ b/target/linux/ramips/patches-3.18/0041-mtd-fix-cfi-cmdset-0002-erase-status-check.patch @@ -0,0 +1,29 @@ +From f0df443ca7d5d0e4d31aa6769ea12a8cf24d2cd8 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 15 Jul 2013 00:38:51 +0200 +Subject: [PATCH 41/57] mtd: fix cfi cmdset 0002 erase status check + +--- + drivers/mtd/chips/cfi_cmdset_0002.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -2291,7 +2291,7 @@ static int __xipram do_erase_chip(struct + chip->erase_suspended = 0; + } + +- if (chip_ready(map, adr)) ++ if (chip_good(map, adr, map_word_ff(map))) + break; + + if (time_after(jiffies, timeo)) { +@@ -2380,7 +2380,7 @@ static int __xipram do_erase_oneblock(st + chip->erase_suspended = 0; + } + +- if (chip_ready(map, adr)) { ++ if (chip_good(map, adr, map_word_ff(map))) { + xip_enable(map, chip, adr); + break; + } diff --git a/target/linux/ramips/patches-3.18/0042-mtd-cfi-cmdset-0002-force-word-write.patch b/target/linux/ramips/patches-3.18/0042-mtd-cfi-cmdset-0002-force-word-write.patch new file mode 100644 index 0000000000..971738c19a --- /dev/null +++ b/target/linux/ramips/patches-3.18/0042-mtd-cfi-cmdset-0002-force-word-write.patch @@ -0,0 +1,70 @@ +From 39010a26a34a56a7928f9217ac23e5138c5ea952 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 15 Jul 2013 00:39:21 +0200 +Subject: [PATCH 42/57] mtd: cfi cmdset 0002 force word write + +--- + drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++++-- + 1 file changed, 7 insertions(+), 2 deletions(-) + +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -40,7 +40,7 @@ + #include <linux/mtd/xip.h> + + #define AMD_BOOTLOC_BUG +-#define FORCE_WORD_WRITE 0 ++#define FORCE_WORD_WRITE 1 + + #define MAX_WORD_RETRIES 3 + +@@ -51,7 +51,9 @@ + + static int cfi_amdstd_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); + static int cfi_amdstd_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); ++#if !FORCE_WORD_WRITE + static int cfi_amdstd_write_buffers(struct mtd_info *, loff_t, size_t, size_t *, const u_char *); ++#endif + static int cfi_amdstd_erase_chip(struct mtd_info *, struct erase_info *); + static int cfi_amdstd_erase_varsize(struct mtd_info *, struct erase_info *); + static void cfi_amdstd_sync (struct mtd_info *); +@@ -202,6 +204,7 @@ static void fixup_amd_bootblock(struct m + } + #endif + ++#if !FORCE_WORD_WRITE + static void fixup_use_write_buffers(struct mtd_info *mtd) + { + struct map_info *map = mtd->priv; +@@ -211,6 +214,7 @@ static void fixup_use_write_buffers(stru + mtd->_write = cfi_amdstd_write_buffers; + } + } ++#endif /* !FORCE_WORD_WRITE */ + + /* Atmel chips don't use the same PRI format as AMD chips */ + static void fixup_convert_atmel_pri(struct mtd_info *mtd) +@@ -1789,6 +1793,7 @@ static int cfi_amdstd_write_words(struct + /* + * FIXME: interleaved mode not tested, and probably not supported! + */ ++#if !FORCE_WORD_WRITE + static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, + unsigned long adr, const u_char *buf, + int len) +@@ -1917,7 +1922,6 @@ static int __xipram do_write_buffer(stru + return ret; + } + +- + static int cfi_amdstd_write_buffers(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const u_char *buf) + { +@@ -1992,6 +1996,7 @@ static int cfi_amdstd_write_buffers(stru + + return 0; + } ++#endif /* !FORCE_WORD_WRITE */ + + /* + * Wait for the flash chip to become ready to write data diff --git a/target/linux/ramips/patches-3.18/0043-mtd-ralink-add-mt7620-nand-driver.patch b/target/linux/ramips/patches-3.18/0043-mtd-ralink-add-mt7620-nand-driver.patch new file mode 100644 index 0000000000..8ee26d5182 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0043-mtd-ralink-add-mt7620-nand-driver.patch @@ -0,0 +1,2408 @@ +From b915fe7cd934160bfaf2cd52f03c118abcae2419 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 17 Nov 2013 17:41:46 +0100 +Subject: [PATCH 43/57] mtd: ralink: add mt7620 nand driver + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/mtd/maps/Kconfig | 4 + + drivers/mtd/maps/Makefile | 2 + + drivers/mtd/maps/ralink_nand.c | 2136 ++++++++++++++++++++++++++++++++++++++++ + drivers/mtd/maps/ralink_nand.h | 232 +++++ + 4 files changed, 2374 insertions(+) + create mode 100644 drivers/mtd/maps/ralink_nand.c + create mode 100644 drivers/mtd/maps/ralink_nand.h + +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -399,4 +399,8 @@ config MTD_LATCH_ADDR + + If compiled as a module, it will be called latch-addr-flash. + ++config MTD_NAND_MT7620 ++ tristate "Support for NAND on Mediatek MT7620" ++ depends on RALINK && SOC_MT7620 ++ + endmenu +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -43,3 +43,5 @@ obj-$(CONFIG_MTD_VMU) += vmu-flash.o + obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o + obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o + obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o ++obj-$(CONFIG_MTD_NAND_MT7620) += ralink_nand.o ++ +--- /dev/null ++++ b/drivers/mtd/maps/ralink_nand.c +@@ -0,0 +1,2136 @@ ++#define DEBUG ++#include <linux/device.h> ++#undef DEBUG ++#include <linux/slab.h> ++#include <linux/mtd/mtd.h> ++#include <linux/delay.h> ++#include <linux/module.h> ++#include <linux/interrupt.h> ++#include <linux/dma-mapping.h> ++#include <linux/mtd/partitions.h> ++#include <asm/io.h> ++#include <linux/delay.h> ++#include <linux/sched.h> ++#include <linux/of.h> ++#include <linux/platform_device.h> ++ ++#include "ralink_nand.h" ++#ifdef RANDOM_GEN_BAD_BLOCK ++#include <linux/random.h> ++#endif ++ ++#define LARGE_MTD_BOOT_PART_SIZE (CFG_BLOCKSIZE<<2) ++#define LARGE_MTD_CONFIG_PART_SIZE (CFG_BLOCKSIZE<<2) ++#define LARGE_MTD_FACTORY_PART_SIZE (CFG_BLOCKSIZE<<1) ++ ++ ++#define BLOCK_ALIGNED(a) ((a) & (CFG_BLOCKSIZE - 1)) ++ ++#define READ_STATUS_RETRY 1000 ++ ++struct mtd_info *ranfc_mtd = NULL; ++ ++int skipbbt = 0; ++int ranfc_debug = 1; ++static int ranfc_bbt = 1; ++#if defined (WORKAROUND_RX_BUF_OV) ++static int ranfc_verify = 1; ++#endif ++static u32 nand_addrlen; ++ ++#if 0 ++module_param(ranfc_debug, int, 0644); ++module_param(ranfc_bbt, int, 0644); ++module_param(ranfc_verify, int, 0644); ++#endif ++ ++#if 0 ++#define ra_dbg(args...) do { if (ranfc_debug) printk(args); } while(0) ++#else ++#define ra_dbg(args...) ++#endif ++ ++#define CLEAR_INT_STATUS() ra_outl(NFC_INT_ST, ra_inl(NFC_INT_ST)) ++#define NFC_TRANS_DONE() (ra_inl(NFC_INT_ST) & INT_ST_ND_DONE) ++ ++int is_nand_page_2048 = 0; ++const unsigned int nand_size_map[2][3] = {{25, 30, 30}, {20, 27, 30}}; ++ ++static int nfc_wait_ready(int snooze_ms); ++ ++static const char * const mtk_probe_types[] = { "cmdlinepart", "ofpart", NULL }; ++ ++/** ++ * reset nand chip ++ */ ++static int nfc_chip_reset(void) ++{ ++ int status; ++ ++ //ra_dbg("%s:\n", __func__); ++ ++ // reset nand flash ++ ra_outl(NFC_CMD1, 0x0); ++ ra_outl(NFC_CMD2, 0xff); ++ ra_outl(NFC_ADDR, 0x0); ++ ra_outl(NFC_CONF, 0x0411); ++ ++ status = nfc_wait_ready(5); //erase wait 5us ++ if (status & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ } ++ ++ return (int)(status & NAND_STATUS_FAIL); ++ ++} ++ ++ ++ ++/** ++ * clear NFC and flash chip. ++ */ ++static int nfc_all_reset(void) ++{ ++ int retry; ++ ++ ra_dbg("%s: \n", __func__); ++ ++ // reset controller ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) | 0x02); //clear data buffer ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) & ~0x02); //clear data buffer ++ ++ CLEAR_INT_STATUS(); ++ ++ retry = READ_STATUS_RETRY; ++ while ((ra_inl(NFC_INT_ST) & 0x02) != 0x02 && retry--); ++ if (retry <= 0) { ++ printk("nfc_all_reset: clean buffer fail \n"); ++ return -1; ++ } ++ ++ retry = READ_STATUS_RETRY; ++ while ((ra_inl(NFC_STATUS) & 0x1) != 0x0 && retry--) { //fixme, controller is busy ? ++ udelay(1); ++ } ++ ++ nfc_chip_reset(); ++ ++ return 0; ++} ++ ++/** NOTICE: only called by nfc_wait_ready(). ++ * @return -1, nfc can not get transction done ++ * @return 0, ok. ++ */ ++static int _nfc_read_status(char *status) ++{ ++ unsigned long cmd1, conf; ++ int int_st, nfc_st; ++ int retry; ++ ++ cmd1 = 0x70; ++ conf = 0x000101 | (1 << 20); ++ ++ //fixme, should we check nfc status? ++ CLEAR_INT_STATUS(); ++ ++ ra_outl(NFC_CMD1, cmd1); ++ ra_outl(NFC_CONF, conf); ++ ++ /* FIXME, ++ * 1. since we have no wired ready signal, directly ++ * calling this function is not gurantee to read right status under ready state. ++ * 2. the other side, we can not determine how long to become ready, this timeout retry is nonsense. ++ * 3. SUGGESTION: call nfc_read_status() from nfc_wait_ready(), ++ * that is aware about caller (in sementics) and has snooze plused nfc ND_DONE. ++ */ ++ retry = READ_STATUS_RETRY; ++ do { ++ nfc_st = ra_inl(NFC_STATUS); ++ int_st = ra_inl(NFC_INT_ST); ++ ++ ndelay(10); ++ } while (!(int_st & INT_ST_RX_BUF_RDY) && retry--); ++ ++ if (!(int_st & INT_ST_RX_BUF_RDY)) { ++ printk("nfc_read_status: NFC fail, int_st(%x), retry:%x. nfc:%x, reset nfc and flash. \n", ++ int_st, retry, nfc_st); ++ nfc_all_reset(); ++ *status = NAND_STATUS_FAIL; ++ return -1; ++ } ++ ++ *status = (char)(le32_to_cpu(ra_inl(NFC_DATA)) & 0x0ff); ++ return 0; ++} ++ ++/** ++ * @return !0, chip protect. ++ * @return 0, chip not protected. ++ */ ++static int nfc_check_wp(void) ++{ ++ /* Check the WP bit */ ++#if !defined CONFIG_NOT_SUPPORT_WP ++ return !!(ra_inl(NFC_CTRL) & 0x01); ++#else ++ char result = 0; ++ int ret; ++ ++ ret = _nfc_read_status(&result); ++ //FIXME, if ret < 0 ++ ++ return !(result & NAND_STATUS_WP); ++#endif ++} ++ ++#if !defined CONFIG_NOT_SUPPORT_RB ++/* ++ * @return !0, chip ready. ++ * @return 0, chip busy. ++ */ ++static int nfc_device_ready(void) ++{ ++ /* Check the ready */ ++ return !!(ra_inl(NFC_STATUS) & 0x04); ++} ++#endif ++ ++ ++/** ++ * generic function to get data from flash. ++ * @return data length reading from flash. ++ */ ++static int _ra_nand_pull_data(char *buf, int len, int use_gdma) ++{ ++#ifdef RW_DATA_BY_BYTE ++ char *p = buf; ++#else ++ __u32 *p = (__u32 *)buf; ++#endif ++ int retry, int_st; ++ unsigned int ret_data; ++ int ret_size; ++ ++ // receive data by use_gdma ++ if (use_gdma) { ++ //if (_ra_nand_dma_pull((unsigned long)p, len)) { ++ if (1) { ++ printk("%s: fail \n", __func__); ++ len = -1; //return error ++ } ++ ++ return len; ++ } ++ ++ //fixme: retry count size? ++ retry = READ_STATUS_RETRY; ++ // no gdma ++ while (len > 0) { ++ int_st = ra_inl(NFC_INT_ST); ++ if (int_st & INT_ST_RX_BUF_RDY) { ++ ++ ret_data = ra_inl(NFC_DATA); ++ ra_outl(NFC_INT_ST, INT_ST_RX_BUF_RDY); ++#ifdef RW_DATA_BY_BYTE ++ ret_size = sizeof(unsigned int); ++ ret_size = min(ret_size, len); ++ len -= ret_size; ++ while (ret_size-- > 0) { ++ //nfc is little endian ++ *p++ = ret_data & 0x0ff; ++ ret_data >>= 8; ++ } ++#else ++ ret_size = min(len, 4); ++ len -= ret_size; ++ if (ret_size == 4) ++ *p++ = ret_data; ++ else { ++ __u8 *q = (__u8 *)p; ++ while (ret_size-- > 0) { ++ *q++ = ret_data & 0x0ff; ++ ret_data >>= 8; ++ } ++ p = (__u32 *)q; ++ } ++#endif ++ retry = READ_STATUS_RETRY; ++ } ++ else if (int_st & INT_ST_ND_DONE) { ++ break; ++ } ++ else { ++ udelay(1); ++ if (retry-- < 0) ++ break; ++ } ++ } ++ ++#ifdef RW_DATA_BY_BYTE ++ return (int)(p - buf); ++#else ++ return ((int)p - (int)buf); ++#endif ++} ++ ++/** ++ * generic function to put data into flash. ++ * @return data length writing into flash. ++ */ ++static int _ra_nand_push_data(char *buf, int len, int use_gdma) ++{ ++#ifdef RW_DATA_BY_BYTE ++ char *p = buf; ++#else ++ __u32 *p = (__u32 *)buf; ++#endif ++ int retry, int_st; ++ unsigned int tx_data = 0; ++ int tx_size, iter = 0; ++ ++ // receive data by use_gdma ++ if (use_gdma) { ++ //if (_ra_nand_dma_push((unsigned long)p, len)) ++ if (1) ++ len = 0; ++ printk("%s: fail \n", __func__); ++ return len; ++ } ++ ++ // no gdma ++ retry = READ_STATUS_RETRY; ++ while (len > 0) { ++ int_st = ra_inl(NFC_INT_ST); ++ if (int_st & INT_ST_TX_BUF_RDY) { ++#ifdef RW_DATA_BY_BYTE ++ tx_size = min(len, (int)sizeof(unsigned long)); ++ for (iter = 0; iter < tx_size; iter++) { ++ tx_data |= (*p++ << (8*iter)); ++ } ++#else ++ tx_size = min(len, 4); ++ if (tx_size == 4) ++ tx_data = (*p++); ++ else { ++ __u8 *q = (__u8 *)p; ++ for (iter = 0; iter < tx_size; iter++) ++ tx_data |= (*q++ << (8*iter)); ++ p = (__u32 *)q; ++ } ++#endif ++ ra_outl(NFC_INT_ST, INT_ST_TX_BUF_RDY); ++ ra_outl(NFC_DATA, tx_data); ++ len -= tx_size; ++ retry = READ_STATUS_RETRY; ++ } ++ else if (int_st & INT_ST_ND_DONE) { ++ break; ++ } ++ else { ++ udelay(1); ++ if (retry-- < 0) { ++ ra_dbg("%s p:%p buf:%p \n", __func__, p, buf); ++ break; ++ } ++ } ++ } ++ ++ ++#ifdef RW_DATA_BY_BYTE ++ return (int)(p - buf); ++#else ++ return ((int)p - (int)buf); ++#endif ++ ++} ++ ++static int nfc_select_chip(struct ra_nand_chip *ra, int chipnr) ++{ ++#if (CONFIG_NUMCHIPS == 1) ++ if (!(chipnr < CONFIG_NUMCHIPS)) ++ return -1; ++ return 0; ++#else ++ BUG(); ++#endif ++} ++ ++/** @return -1: chip_select fail ++ * 0 : both CE and WP==0 are OK ++ * 1 : CE OK and WP==1 ++ */ ++static int nfc_enable_chip(struct ra_nand_chip *ra, unsigned int offs, int read_only) ++{ ++ int chipnr = offs >> ra->chip_shift; ++ ++ ra_dbg("%s: offs:%x read_only:%x \n", __func__, offs, read_only); ++ ++ chipnr = nfc_select_chip(ra, chipnr); ++ if (chipnr < 0) { ++ printk("%s: chip select error, offs(%x)\n", __func__, offs); ++ return -1; ++ } ++ ++ if (!read_only) ++ return nfc_check_wp(); ++ ++ return 0; ++} ++ ++/** wait nand chip becomeing ready and return queried status. ++ * @param snooze: sleep time in ms unit before polling device ready. ++ * @return status of nand chip ++ * @return NAN_STATUS_FAIL if something unexpected. ++ */ ++static int nfc_wait_ready(int snooze_ms) ++{ ++ int retry; ++ char status; ++ ++ // wait nfc idle, ++ if (snooze_ms == 0) ++ snooze_ms = 1; ++ else ++ schedule_timeout(snooze_ms * HZ / 1000); ++ ++ snooze_ms = retry = snooze_ms *1000000 / 100 ; // ndelay(100) ++ ++ while (!NFC_TRANS_DONE() && retry--) { ++ if (!cond_resched()) ++ ndelay(100); ++ } ++ ++ if (!NFC_TRANS_DONE()) { ++ printk("nfc_wait_ready: no transaction done \n"); ++ return NAND_STATUS_FAIL; ++ } ++ ++#if !defined (CONFIG_NOT_SUPPORT_RB) ++ //fixme ++ while(!(status = nfc_device_ready()) && retry--) { ++ ndelay(100); ++ } ++ ++ if (status == 0) { ++ printk("nfc_wait_ready: no device ready. \n"); ++ return NAND_STATUS_FAIL; ++ } ++ ++ _nfc_read_status(&status); ++ return status; ++#else ++ ++ while(retry--) { ++ _nfc_read_status(&status); ++ if (status & NAND_STATUS_READY) ++ break; ++ ndelay(100); ++ } ++ if (retry<0) ++ printk("nfc_wait_ready 2: no device ready, status(%x). \n", status); ++ ++ return status; ++#endif ++} ++ ++/** ++ * return 0: erase OK ++ * return -EIO: fail ++ */ ++int nfc_erase_block(struct ra_nand_chip *ra, int row_addr) ++{ ++ unsigned long cmd1, cmd2, bus_addr, conf; ++ char status; ++ ++ cmd1 = 0x60; ++ cmd2 = 0xd0; ++ bus_addr = row_addr; ++ conf = 0x00511 | ((CFG_ROW_ADDR_CYCLE)<<16); ++ ++ // set NFC ++ ra_dbg("%s: cmd1: %lx, cmd2:%lx bus_addr: %lx, conf: %lx \n", ++ __func__, cmd1, cmd2, bus_addr, conf); ++ ++ //fixme, should we check nfc status? ++ CLEAR_INT_STATUS(); ++ ++ ra_outl(NFC_CMD1, cmd1); ++ ra_outl(NFC_CMD2, cmd2); ++ ra_outl(NFC_ADDR, bus_addr); ++ ra_outl(NFC_CONF, conf); ++ ++ status = nfc_wait_ready(3); //erase wait 3ms ++ if (status & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ return -EIO; ++ } ++ ++ return 0; ++ ++} ++ ++static inline int _nfc_read_raw_data(int cmd1, int cmd2, int bus_addr, int bus_addr2, int conf, char *buf, int len, int flags) ++{ ++ int ret; ++ ++ CLEAR_INT_STATUS(); ++ ra_outl(NFC_CMD1, cmd1); ++ ra_outl(NFC_CMD2, cmd2); ++ ra_outl(NFC_ADDR, bus_addr); ++#if defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || \ ++ defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) ++ ra_outl(NFC_ADDR2, bus_addr2); ++#endif ++ ra_outl(NFC_CONF, conf); ++ ++ ret = _ra_nand_pull_data(buf, len, 0); ++ if (ret != len) { ++ ra_dbg("%s: ret:%x (%x) \n", __func__, ret, len); ++ return NAND_STATUS_FAIL; ++ } ++ ++ //FIXME, this section is not necessary ++ ret = nfc_wait_ready(0); //wait ready ++ /* to prevent the DATA FIFO 's old data from next operation */ ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) | 0x02); //clear data buffer ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) & ~0x02); //clear data buffer ++ ++ if (ret & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ return NAND_STATUS_FAIL; ++ } ++ ++ return 0; ++} ++ ++static inline int _nfc_write_raw_data(int cmd1, int cmd3, int bus_addr, int bus_addr2, int conf, char *buf, int len, int flags) ++{ ++ int ret; ++ ++ CLEAR_INT_STATUS(); ++ ra_outl(NFC_CMD1, cmd1); ++ ra_outl(NFC_CMD3, cmd3); ++ ra_outl(NFC_ADDR, bus_addr); ++#if defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || \ ++ defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) ++ ra_outl(NFC_ADDR2, bus_addr2); ++#endif ++ ra_outl(NFC_CONF, conf); ++ ++ ret = _ra_nand_push_data(buf, len, 0); ++ if (ret != len) { ++ ra_dbg("%s: ret:%x (%x) \n", __func__, ret, len); ++ return NAND_STATUS_FAIL; ++ } ++ ++ ret = nfc_wait_ready(1); //write wait 1ms ++ /* to prevent the DATA FIFO 's old data from next operation */ ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) | 0x02); //clear data buffer ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) & ~0x02); //clear data buffer ++ ++ if (ret & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ return NAND_STATUS_FAIL; ++ } ++ ++ return 0; ++} ++ ++/** ++ * @return !0: fail ++ * @return 0: OK ++ */ ++int nfc_read_oob(struct ra_nand_chip *ra, int page, unsigned int offs, char *buf, int len, int flags) ++{ ++ unsigned int cmd1 = 0, cmd2 = 0, conf = 0; ++ unsigned int bus_addr = 0, bus_addr2 = 0; ++ unsigned int ecc_en; ++ int use_gdma; ++ int status; ++ ++ int pages_perblock = 1<<(ra->erase_shift - ra->page_shift); ++ // constrain of nfc read function ++ ++#if defined (WORKAROUND_RX_BUF_OV) ++ BUG_ON (len > 60); //problem of rx-buffer overrun ++#endif ++ BUG_ON (offs >> ra->oob_shift); //page boundry ++ BUG_ON ((unsigned int)(((offs + len) >> ra->oob_shift) + page) > ++ ((page + pages_perblock) & ~(pages_perblock-1))); //block boundry ++ ++ use_gdma = flags & FLAG_USE_GDMA; ++ ecc_en = flags & FLAG_ECC_EN; ++ bus_addr = (page << (CFG_COLUMN_ADDR_CYCLE*8)) | (offs & ((1<<CFG_COLUMN_ADDR_CYCLE*8) - 1)); ++ ++ if (is_nand_page_2048) { ++ bus_addr += CFG_PAGESIZE; ++ bus_addr2 = page >> (CFG_COLUMN_ADDR_CYCLE*8); ++ cmd1 = 0x0; ++ cmd2 = 0x30; ++ conf = 0x000511| ((CFG_ADDR_CYCLE)<<16) | (len << 20); ++ } ++ else { ++ cmd1 = 0x50; ++ conf = 0x000141| ((CFG_ADDR_CYCLE)<<16) | (len << 20); ++ } ++ if (ecc_en) ++ conf |= (1<<3); ++ if (use_gdma) ++ conf |= (1<<2); ++ ++ ra_dbg("%s: cmd1:%x, bus_addr:%x, conf:%x, len:%x, flag:%x\n", ++ __func__, cmd1, bus_addr, conf, len, flags); ++ ++ status = _nfc_read_raw_data(cmd1, cmd2, bus_addr, bus_addr2, conf, buf, len, flags); ++ if (status & NAND_STATUS_FAIL) { ++ printk("%s: fail\n", __func__); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++/** ++ * @return !0: fail ++ * @return 0: OK ++ */ ++int nfc_write_oob(struct ra_nand_chip *ra, int page, unsigned int offs, char *buf, int len, int flags) ++{ ++ unsigned int cmd1 = 0, cmd3=0, conf = 0; ++ unsigned int bus_addr = 0, bus_addr2 = 0; ++ int use_gdma; ++ int status; ++ ++ int pages_perblock = 1<<(ra->erase_shift - ra->page_shift); ++ // constrain of nfc read function ++ ++ BUG_ON (offs >> ra->oob_shift); //page boundry ++ BUG_ON ((unsigned int)(((offs + len) >> ra->oob_shift) + page) > ++ ((page + pages_perblock) & ~(pages_perblock-1))); //block boundry ++ ++ use_gdma = flags & FLAG_USE_GDMA; ++ bus_addr = (page << (CFG_COLUMN_ADDR_CYCLE*8)) | (offs & ((1<<CFG_COLUMN_ADDR_CYCLE*8) - 1)); ++ ++ if (is_nand_page_2048) { ++ cmd1 = 0x80; ++ cmd3 = 0x10; ++ bus_addr += CFG_PAGESIZE; ++ bus_addr2 = page >> (CFG_COLUMN_ADDR_CYCLE*8); ++ conf = 0x001123 | ((CFG_ADDR_CYCLE)<<16) | ((len) << 20); ++ } ++ else { ++ cmd1 = 0x08050; ++ cmd3 = 0x10; ++ conf = 0x001223 | ((CFG_ADDR_CYCLE)<<16) | ((len) << 20); ++ } ++ if (use_gdma) ++ conf |= (1<<2); ++ ++ // set NFC ++ ra_dbg("%s: cmd1: %x, cmd3: %x bus_addr: %x, conf: %x, len:%x\n", ++ __func__, cmd1, cmd3, bus_addr, conf, len); ++ ++ status = _nfc_write_raw_data(cmd1, cmd3, bus_addr, bus_addr2, conf, buf, len, flags); ++ if (status & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++ ++int nfc_read_page(struct ra_nand_chip *ra, char *buf, int page, int flags); ++int nfc_write_page(struct ra_nand_chip *ra, char *buf, int page, int flags); ++ ++ ++#if !defined (WORKAROUND_RX_BUF_OV) ++static int one_bit_correction(char *ecc, char *expected, int *bytes, int *bits); ++int nfc_ecc_verify(struct ra_nand_chip *ra, char *buf, int page, int mode) ++{ ++ int ret, i; ++ char *p, *e; ++ int ecc; ++ ++ //ra_dbg("%s, page:%x mode:%d\n", __func__, page, mode); ++ ++ if (mode == FL_WRITING) { ++ int len = CFG_PAGESIZE + CFG_PAGE_OOBSIZE; ++ int conf = 0x000141| ((CFG_ADDR_CYCLE)<<16) | (len << 20); ++ conf |= (1<<3); //(ecc_en) ++ //conf |= (1<<2); // (use_gdma) ++ ++ p = ra->readback_buffers; ++ ret = nfc_read_page(ra, ra->readback_buffers, page, FLAG_ECC_EN); ++ if (ret == 0) ++ goto ecc_check; ++ ++ //FIXME, double comfirm ++ printk("%s: read back fail, try again \n",__func__); ++ ret = nfc_read_page(ra, ra->readback_buffers, page, FLAG_ECC_EN); ++ if (ret != 0) { ++ printk("\t%s: read back fail agian \n",__func__); ++ goto bad_block; ++ } ++ } ++ else if (mode == FL_READING) { ++ p = buf; ++ } ++ else ++ return -2; ++ ++ecc_check: ++ p += CFG_PAGESIZE; ++ if (!is_nand_page_2048) { ++ ecc = ra_inl(NFC_ECC); ++ if (ecc == 0) //clean page. ++ return 0; ++ e = (char*)&ecc; ++ for (i=0; i<CONFIG_ECC_BYTES; i++) { ++ int eccpos = CONFIG_ECC_OFFSET + i; ++ if (*(p + eccpos) != (char)0xff) ++ break; ++ if (i == CONFIG_ECC_BYTES - 1) { ++ printk("skip ecc 0xff at page %x\n", page); ++ return 0; ++ } ++ } ++ for (i=0; i<CONFIG_ECC_BYTES; i++) { ++ int eccpos = CONFIG_ECC_OFFSET + i; ++ if (*(p + eccpos) != *(e + i)) { ++ printk("%s mode:%s, invalid ecc, page: %x read:%x %x %x, ecc:%x \n", ++ __func__, (mode == FL_READING)?"read":"write", page, ++ *(p+ CONFIG_ECC_OFFSET), *(p+ CONFIG_ECC_OFFSET+1), *(p+ CONFIG_ECC_OFFSET +2), ecc); ++ return -1; ++ } ++ } ++ } ++#if defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || \ ++ defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) ++ else { ++ int ecc2, ecc3, ecc4, qsz; ++ char *e2, *e3, *e4; ++ int correction_flag = 0; ++ ecc = ra_inl(NFC_ECC_P1); ++ ecc2 = ra_inl(NFC_ECC_P2); ++ ecc3 = ra_inl(NFC_ECC_P3); ++ ecc4 = ra_inl(NFC_ECC_P4); ++ e = (char*)&ecc; ++ e2 = (char*)&ecc2; ++ e3 = (char*)&ecc3; ++ e4 = (char*)&ecc4; ++ qsz = CFG_PAGE_OOBSIZE / 4; ++ if (ecc == 0 && ecc2 == 0 && ecc3 == 0 && ecc4 == 0) ++ return 0; ++ for (i=0; i<CONFIG_ECC_BYTES; i++) { ++ int eccpos = CONFIG_ECC_OFFSET + i; ++ if (*(p + eccpos) != (char)0xff) ++ break; ++ else if (*(p + eccpos + qsz) != (char)0xff) ++ break; ++ else if (*(p + eccpos + qsz*2) != (char)0xff) ++ break; ++ else if (*(p + eccpos + qsz*3) != (char)0xff) ++ break; ++ if (i == CONFIG_ECC_BYTES - 1) { ++ printk("skip ecc 0xff at page %x\n", page); ++ return 0; ++ } ++ } ++ for (i=0; i<CONFIG_ECC_BYTES; i++) { ++ int eccpos = CONFIG_ECC_OFFSET + i; ++ if (*(p + eccpos) != *(e + i)) { ++ printk("%s mode:%s, invalid ecc, page: %x read:%x %x %x, ecc:%x \n", ++ __func__, (mode == FL_READING)?"read":"write", page, ++ *(p+ CONFIG_ECC_OFFSET), *(p+ CONFIG_ECC_OFFSET+1), *(p+ CONFIG_ECC_OFFSET +2), ecc); ++ correction_flag |= 0x1; ++ } ++ if (*(p + eccpos + qsz) != *(e2 + i)) { ++ printk("%s mode:%s, invalid ecc2, page: %x read:%x %x %x, ecc2:%x \n", ++ __func__, (mode == FL_READING)?"read":"write", page, ++ *(p+CONFIG_ECC_OFFSET+qsz), *(p+ CONFIG_ECC_OFFSET+1+qsz), *(p+ CONFIG_ECC_OFFSET+2+qsz), ecc2); ++ correction_flag |= 0x2; ++ } ++ if (*(p + eccpos + qsz*2) != *(e3 + i)) { ++ printk("%s mode:%s, invalid ecc3, page: %x read:%x %x %x, ecc3:%x \n", ++ __func__, (mode == FL_READING)?"read":"write", page, ++ *(p+CONFIG_ECC_OFFSET+qsz*2), *(p+ CONFIG_ECC_OFFSET+1+qsz*2), *(p+ CONFIG_ECC_OFFSET+2+qsz*2), ecc3); ++ correction_flag |= 0x4; ++ } ++ if (*(p + eccpos + qsz*3) != *(e4 + i)) { ++ printk("%s mode:%s, invalid ecc4, page: %x read:%x %x %x, ecc4:%x \n", ++ __func__, (mode == FL_READING)?"read":"write", page, ++ *(p+CONFIG_ECC_OFFSET+qsz*3), *(p+ CONFIG_ECC_OFFSET+1+qsz*3), *(p+ CONFIG_ECC_OFFSET+2+qsz*3), ecc4); ++ correction_flag |= 0x8; ++ } ++ } ++ ++ if (correction_flag) ++ { ++ printk("trying to do correction!\n"); ++ if (correction_flag & 0x1) ++ { ++ int bytes, bits; ++ char *pBuf = p - CFG_PAGESIZE; ++ ++ if (one_bit_correction(p + CONFIG_ECC_OFFSET, e, &bytes, &bits) == 0) ++ { ++ pBuf[bytes] = pBuf[bytes] ^ (1 << bits); ++ printk("1. correct byte %d, bit %d!\n", bytes, bits); ++ } ++ else ++ { ++ printk("failed to correct!\n"); ++ return -1; ++ } ++ } ++ ++ if (correction_flag & 0x2) ++ { ++ int bytes, bits; ++ char *pBuf = (p - CFG_PAGESIZE) + CFG_PAGESIZE/4; ++ ++ if (one_bit_correction((p + CONFIG_ECC_OFFSET + qsz), e2, &bytes, &bits) == 0) ++ { ++ pBuf[bytes] = pBuf[bytes] ^ (1 << bits); ++ printk("2. correct byte %d, bit %d!\n", bytes, bits); ++ } ++ else ++ { ++ printk("failed to correct!\n"); ++ return -1; ++ } ++ } ++ if (correction_flag & 0x4) ++ { ++ int bytes, bits; ++ char *pBuf = (p - CFG_PAGESIZE) + CFG_PAGESIZE/2; ++ ++ if (one_bit_correction((p + CONFIG_ECC_OFFSET + qsz * 2), e3, &bytes, &bits) == 0) ++ { ++ pBuf[bytes] = pBuf[bytes] ^ (1 << bits); ++ printk("3. correct byte %d, bit %d!\n", bytes, bits); ++ } ++ else ++ { ++ printk("failed to correct!\n"); ++ return -1; ++ } ++ } ++ if (correction_flag & 0x8) ++ { ++ int bytes, bits; ++ char *pBuf = (p - CFG_PAGESIZE) + CFG_PAGESIZE*3/4; ++ ++ if (one_bit_correction((p + CONFIG_ECC_OFFSET + qsz * 3), e4, &bytes, &bits) == 0) ++ { ++ pBuf[bytes] = pBuf[bytes] ^ (1 << bits); ++ printk("4. correct byte %d, bit %d!\n", bytes, bits); ++ } ++ else ++ { ++ printk("failed to correct!\n"); ++ return -1; ++ } ++ } ++ } ++ ++ } ++#endif ++ return 0; ++ ++bad_block: ++ return -1; ++} ++ ++#else ++ ++void ranfc_dump(void) ++{ ++ int i; ++ for (i=0; i<11; i++) { ++ if (i==6) ++ continue; ++ printk("%x: %x \n", NFC_BASE + i*4, ra_inl(NFC_BASE + i*4)); ++ } ++} ++ ++/** ++ * @return 0, ecc OK or corrected. ++ * @return NAND_STATUS_FAIL, ecc fail. ++ */ ++ ++int nfc_ecc_verify(struct ra_nand_chip *ra, char *buf, int page, int mode) ++{ ++ int ret, i; ++ char *p, *e; ++ int ecc; ++ ++ if (ranfc_verify == 0) ++ return 0; ++ ++ ra_dbg("%s, page:%x mode:%d\n", __func__, page, mode); ++ ++ if (mode == FL_WRITING) { // read back and memcmp ++ ret = nfc_read_page(ra, ra->readback_buffers, page, FLAG_NONE); ++ if (ret != 0) //double comfirm ++ ret = nfc_read_page(ra, ra->readback_buffers, page, FLAG_NONE); ++ ++ if (ret != 0) { ++ printk("%s: mode:%x read back fail \n", __func__, mode); ++ return -1; ++ } ++ return memcmp(buf, ra->readback_buffers, 1<<ra->page_shift); ++ } ++ ++ if (mode == FL_READING) { ++#if 0 ++ if (ra->sandbox_page == 0) ++ return 0; ++ ++ ret = nfc_write_page(ra, buf, ra->sandbox_page, FLAG_USE_GDMA | FLAG_ECC_EN); ++ if (ret != 0) { ++ printk("%s, fail write sandbox_page \n", __func__); ++ return -1; ++ } ++#else ++ /** @note: ++ * The following command is actually not 'write' command to drive NFC to write flash. ++ * However, it can make NFC to calculate ECC, that will be used to compare with original ones. ++ * --YT ++ */ ++ unsigned int conf = 0x001223| (CFG_ADDR_CYCLE<<16) | (0x200 << 20) | (1<<3) | (1<<2); ++ _nfc_write_raw_data(0xff, 0xff, ra->sandbox_page<<ra->page_shift, conf, buf, 0x200, FLAG_USE_GDMA); ++#endif ++ ++ ecc = ra_inl(NFC_ECC); ++ if (ecc == 0) //clean page. ++ return 0; ++ e = (char*)&ecc; ++ p = buf + (1<<ra->page_shift); ++ for (i=0; i<CONFIG_ECC_BYTES; i++) { ++ int eccpos = CONFIG_ECC_OFFSET + i; ++ if (*(p + eccpos) != *(e + i)) { ++ printk("%s mode:%s, invalid ecc, page: %x read:%x %x %x, write:%x \n", ++ __func__, (mode == FL_READING)?"read":"write", page, ++ *(p+ CONFIG_ECC_OFFSET), *(p+ CONFIG_ECC_OFFSET+1), *(p+ CONFIG_ECC_OFFSET +2), ecc); ++ ++ for (i=0; i<528; i++) ++ printk("%-2x \n", *(buf + i)); ++ return -1; ++ } ++ } ++ return 0; ++ } ++ ++ return -1; ++ ++} ++ ++#endif ++ ++ ++/** ++ * @return -EIO, writing size is less than a page ++ * @return 0, OK ++ */ ++int nfc_read_page(struct ra_nand_chip *ra, char *buf, int page, int flags) ++{ ++ unsigned int cmd1 = 0, cmd2 = 0, conf = 0; ++ unsigned int bus_addr = 0, bus_addr2 = 0; ++ unsigned int ecc_en; ++ int use_gdma; ++ int size, offs; ++ int status = 0; ++ ++ use_gdma = flags & FLAG_USE_GDMA; ++ ecc_en = flags & FLAG_ECC_EN; ++ ++ page = page & (CFG_CHIPSIZE - 1); // chip boundary ++ size = CFG_PAGESIZE + CFG_PAGE_OOBSIZE; //add oobsize ++ offs = 0; ++ ++ while (size > 0) { ++ int len; ++#if defined (WORKAROUND_RX_BUF_OV) ++ len = min(60, size); ++#else ++ len = size; ++#endif ++ bus_addr = (page << (CFG_COLUMN_ADDR_CYCLE*8)) | (offs & ((1<<CFG_COLUMN_ADDR_CYCLE*8)-1)); ++ if (is_nand_page_2048) { ++ bus_addr2 = page >> (CFG_COLUMN_ADDR_CYCLE*8); ++ cmd1 = 0x0; ++ cmd2 = 0x30; ++ conf = 0x000511| ((CFG_ADDR_CYCLE)<<16) | (len << 20); ++ } ++ else { ++ if (offs & ~(CFG_PAGESIZE-1)) ++ cmd1 = 0x50; ++ else if (offs & ~((1<<CFG_COLUMN_ADDR_CYCLE*8)-1)) ++ cmd1 = 0x01; ++ else ++ cmd1 = 0; ++ ++ conf = 0x000141| ((CFG_ADDR_CYCLE)<<16) | (len << 20); ++ } ++#if !defined (WORKAROUND_RX_BUF_OV) ++ if (ecc_en) ++ conf |= (1<<3); ++#endif ++ if (use_gdma) ++ conf |= (1<<2); ++ ++ status = _nfc_read_raw_data(cmd1, cmd2, bus_addr, bus_addr2, conf, buf+offs, len, flags); ++ if (status & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ return -EIO; ++ } ++ ++ offs += len; ++ size -= len; ++ } ++ ++ // verify and correct ecc ++ if ((flags & (FLAG_VERIFY | FLAG_ECC_EN)) == (FLAG_VERIFY | FLAG_ECC_EN)) { ++ status = nfc_ecc_verify(ra, buf, page, FL_READING); ++ if (status != 0) { ++ printk("%s: fail, buf:%x, page:%x, flag:%x\n", ++ __func__, (unsigned int)buf, page, flags); ++ return -EBADMSG; ++ } ++ } ++ else { ++ // fix,e not yet support ++ ra->buffers_page = -1; //cached ++ } ++ ++ return 0; ++} ++ ++ ++/** ++ * @return -EIO, fail to write ++ * @return 0, OK ++ */ ++int nfc_write_page(struct ra_nand_chip *ra, char *buf, int page, int flags) ++{ ++ unsigned int cmd1 = 0, cmd3, conf = 0; ++ unsigned int bus_addr = 0, bus_addr2 = 0; ++ unsigned int ecc_en; ++ int use_gdma; ++ int size; ++ char status; ++ uint8_t *oob = buf + (1<<ra->page_shift); ++ ++ use_gdma = flags & FLAG_USE_GDMA; ++ ecc_en = flags & FLAG_ECC_EN; ++ ++ oob[ra->badblockpos] = 0xff; //tag as good block. ++ ra->buffers_page = -1; //cached ++ ++ page = page & (CFG_CHIPSIZE-1); //chip boundary ++ size = CFG_PAGESIZE + CFG_PAGE_OOBSIZE; //add oobsize ++ bus_addr = (page << (CFG_COLUMN_ADDR_CYCLE*8)); //write_page always write from offset 0. ++ ++ if (is_nand_page_2048) { ++ bus_addr2 = page >> (CFG_COLUMN_ADDR_CYCLE*8); ++ cmd1 = 0x80; ++ cmd3 = 0x10; ++ conf = 0x001123| ((CFG_ADDR_CYCLE)<<16) | (size << 20); ++ } ++ else { ++ cmd1 = 0x8000; ++ cmd3 = 0x10; ++ conf = 0x001223| ((CFG_ADDR_CYCLE)<<16) | (size << 20); ++} ++ if (ecc_en) ++ conf |= (1<<3); //enable ecc ++ if (use_gdma) ++ conf |= (1<<2); ++ ++ // set NFC ++ ra_dbg("nfc_write_page: cmd1: %x, cmd3: %x bus_addr: %x, conf: %x, len:%x\n", ++ cmd1, cmd3, bus_addr, conf, size); ++ ++ status = _nfc_write_raw_data(cmd1, cmd3, bus_addr, bus_addr2, conf, buf, size, flags); ++ if (status & NAND_STATUS_FAIL) { ++ printk("%s: fail \n", __func__); ++ return -EIO; ++ } ++ ++ ++ if (flags & FLAG_VERIFY) { // verify and correct ecc ++ status = nfc_ecc_verify(ra, buf, page, FL_WRITING); ++ ++#ifdef RANDOM_GEN_BAD_BLOCK ++ if (((random32() & 0x1ff) == 0x0) && (page >= 0x100)) // randomly create bad block ++ { ++ printk("hmm... create a bad block at page %x\n", (bus_addr >> 16)); ++ status = -1; ++ } ++#endif ++ ++ if (status != 0) { ++ printk("%s: ecc_verify fail: ret:%x \n", __func__, status); ++ oob[ra->badblockpos] = 0x33; ++ page -= page % (CFG_BLOCKSIZE/CFG_PAGESIZE); ++ printk("create a bad block at page %x\n", page); ++ if (!is_nand_page_2048) ++ status = nfc_write_oob(ra, page, ra->badblockpos, oob+ra->badblockpos, 1, flags); ++ else ++ { ++ status = _nfc_write_raw_data(cmd1, cmd3, bus_addr, bus_addr2, conf, buf, size, flags); ++ nfc_write_oob(ra, page, 0, oob, 16, FLAG_NONE); ++ } ++ return -EBADMSG; ++ } ++ } ++ ++ ++ ra->buffers_page = page; //cached ++ return 0; ++} ++ ++ ++ ++/************************************************************* ++ * nand internal process ++ *************************************************************/ ++ ++/** ++ * nand_release_device - [GENERIC] release chip ++ * @mtd: MTD device structure ++ * ++ * Deselect, release chip lock and wake up anyone waiting on the device ++ */ ++static void nand_release_device(struct ra_nand_chip *ra) ++{ ++ /* De-select the NAND device */ ++ nfc_select_chip(ra, -1); ++ ++ /* Release the controller and the chip */ ++ ra->state = FL_READY; ++ ++ mutex_unlock(ra->controller); ++} ++ ++/** ++ * nand_get_device - [GENERIC] Get chip for selected access ++ * @chip: the nand chip descriptor ++ * @mtd: MTD device structure ++ * @new_state: the state which is requested ++ * ++ * Get the device and lock it for exclusive access ++ */ ++static int ++nand_get_device(struct ra_nand_chip *ra, int new_state) ++{ ++ int ret = 0; ++ ++ ret = mutex_lock_interruptible(ra->controller); ++ if (!ret) ++ ra->state = new_state; ++ ++ return ret; ++ ++} ++ ++ ++ ++/************************************************************* ++ * nand internal process ++ *************************************************************/ ++ ++int nand_bbt_get(struct ra_nand_chip *ra, int block) ++{ ++ int byte, bits; ++ bits = block * BBTTAG_BITS; ++ ++ byte = bits / 8; ++ bits = bits % 8; ++ ++ return (ra->bbt[byte] >> bits) & BBTTAG_BITS_MASK; ++} ++ ++int nand_bbt_set(struct ra_nand_chip *ra, int block, int tag) ++{ ++ int byte, bits; ++ bits = block * BBTTAG_BITS; ++ ++ byte = bits / 8; ++ bits = bits % 8; ++ ++ // If previous tag is bad, dont overwrite it ++ if (((ra->bbt[byte] >> bits) & BBTTAG_BITS_MASK) == BBT_TAG_BAD) ++ { ++ return BBT_TAG_BAD; ++ } ++ ++ ra->bbt[byte] = (ra->bbt[byte] & ~(BBTTAG_BITS_MASK << bits)) | ((tag & BBTTAG_BITS_MASK) << bits); ++ ++ return tag; ++} ++ ++/** ++ * nand_block_checkbad - [GENERIC] Check if a block is marked bad ++ * @mtd: MTD device structure ++ * @ofs: offset from device start ++ * ++ * Check, if the block is bad. Either by reading the bad block table or ++ * calling of the scan function. ++ */ ++int nand_block_checkbad(struct ra_nand_chip *ra, loff_t offs) ++{ ++ int page, block; ++ int ret = 4; ++ unsigned int tag; ++ char *str[]= {"UNK", "RES", "BAD", "GOOD"}; ++ ++ if (ranfc_bbt == 0) ++ return 0; ++ ++ { ++ // align with chip ++ ++ offs = offs & ((1<<ra->chip_shift) -1); ++ ++ page = offs >> ra->page_shift; ++ block = offs >> ra->erase_shift; ++ } ++ ++ tag = nand_bbt_get(ra, block); ++ ++ if (tag == BBT_TAG_UNKNOWN) { ++ ret = nfc_read_oob(ra, page, ra->badblockpos, (char*)&tag, 1, FLAG_NONE); ++ if (ret == 0) ++ tag = ((le32_to_cpu(tag) & 0x0ff) == 0x0ff) ? BBT_TAG_GOOD : BBT_TAG_BAD; ++ else ++ tag = BBT_TAG_BAD; ++ ++ nand_bbt_set(ra, block, tag); ++ } ++ ++ if (tag != BBT_TAG_GOOD) { ++ printk("%s: offs:%x tag: %s \n", __func__, (unsigned int)offs, str[tag]); ++ return 1; ++ } ++ else ++ return 0; ++ ++} ++ ++ ++ ++/** ++ * nand_block_markbad - ++ */ ++int nand_block_markbad(struct ra_nand_chip *ra, loff_t offs) ++{ ++ int page, block; ++ int ret = 4; ++ unsigned int tag; ++ char *ecc; ++ ++ // align with chip ++ ra_dbg("%s offs: %x \n", __func__, (int)offs); ++ ++ offs = offs & ((1<<ra->chip_shift) -1); ++ ++ page = offs >> ra->page_shift; ++ block = offs >> ra->erase_shift; ++ ++ tag = nand_bbt_get(ra, block); ++ ++ if (tag == BBT_TAG_BAD) { ++ printk("%s: mark repeatedly \n", __func__); ++ return 0; ++ } ++ ++ // new tag as bad ++ tag =BBT_TAG_BAD; ++ ret = nfc_read_page(ra, ra->buffers, page, FLAG_NONE); ++ if (ret != 0) { ++ printk("%s: fail to read bad block tag \n", __func__); ++ goto tag_bbt; ++ } ++ ++ ecc = &ra->buffers[(1<<ra->page_shift)+ra->badblockpos]; ++ if (*ecc == (char)0x0ff) { ++ //tag into flash ++ *ecc = (char)tag; ++ ret = nfc_write_page(ra, ra->buffers, page, FLAG_USE_GDMA); ++ if (ret) ++ printk("%s: fail to write bad block tag \n", __func__); ++ ++ } ++ ++tag_bbt: ++ //update bbt ++ nand_bbt_set(ra, block, tag); ++ ++ return 0; ++} ++ ++ ++#if defined (WORKAROUND_RX_BUF_OV) ++/** ++ * to find a bad block for ecc verify of read_page ++ */ ++unsigned int nand_bbt_find_sandbox(struct ra_nand_chip *ra) ++{ ++ loff_t offs = 0; ++ int chipsize = 1 << ra->chip_shift; ++ int blocksize = 1 << ra->erase_shift; ++ ++ ++ while (offs < chipsize) { ++ if (nand_block_checkbad(ra, offs)) //scan and verify the unknown tag ++ break; ++ offs += blocksize; ++ } ++ ++ if (offs >= chipsize) { ++ offs = chipsize - blocksize; ++ } ++ ++ nand_bbt_set(ra, (unsigned int)offs>>ra->erase_shift, BBT_TAG_RES); // tag bbt only, instead of update badblockpos of flash. ++ return (offs >> ra->page_shift); ++} ++#endif ++ ++ ++ ++/** ++ * nand_erase_nand - [Internal] erase block(s) ++ * @mtd: MTD device structure ++ * @instr: erase instruction ++ * @allowbbt: allow erasing the bbt area ++ * ++ * Erase one ore more blocks ++ */ ++int _nand_erase_nand(struct ra_nand_chip *ra, struct erase_info *instr) ++{ ++ int page, len, status, ret; ++ unsigned int addr, blocksize = 1<<ra->erase_shift; ++ ++ ra_dbg("%s: start:%x, len:%x \n", __func__, ++ (unsigned int)instr->addr, (unsigned int)instr->len); ++ ++//#define BLOCK_ALIGNED(a) ((a) & (blocksize - 1)) // already defined ++ ++ if (BLOCK_ALIGNED(instr->addr) || BLOCK_ALIGNED(instr->len)) { ++ ra_dbg("%s: erase block not aligned, addr:%x len:%x\n", __func__, instr->addr, instr->len); ++ return -EINVAL; ++ } ++ ++ instr->fail_addr = 0xffffffff; ++ ++ len = instr->len; ++ addr = instr->addr; ++ instr->state = MTD_ERASING; ++ ++ while (len) { ++ ++ page = (int)(addr >> ra->page_shift); ++ ++ /* select device and check wp */ ++ if (nfc_enable_chip(ra, addr, 0)) { ++ printk("%s: nand is write protected \n", __func__); ++ instr->state = MTD_ERASE_FAILED; ++ goto erase_exit; ++ } ++ ++ /* if we have a bad block, we do not erase bad blocks */ ++ if (nand_block_checkbad(ra, addr)) { ++ printk(KERN_WARNING "nand_erase: attempt to erase a " ++ "bad block at 0x%08x\n", addr); ++ instr->state = MTD_ERASE_FAILED; ++ goto erase_exit; ++ } ++ ++ /* ++ * Invalidate the page cache, if we erase the block which ++ * contains the current cached page ++ */ ++ if (BLOCK_ALIGNED(addr) == BLOCK_ALIGNED(ra->buffers_page << ra->page_shift)) ++ ra->buffers_page = -1; ++ ++ status = nfc_erase_block(ra, page); ++ /* See if block erase succeeded */ ++ if (status) { ++ printk("%s: failed erase, page 0x%08x\n", __func__, page); ++ instr->state = MTD_ERASE_FAILED; ++ instr->fail_addr = (page << ra->page_shift); ++ goto erase_exit; ++ } ++ ++ ++ /* Increment page address and decrement length */ ++ len -= blocksize; ++ addr += blocksize; ++ ++ } ++ instr->state = MTD_ERASE_DONE; ++ ++erase_exit: ++ ++ ret = ((instr->state == MTD_ERASE_DONE) ? 0 : -EIO); ++ /* Do call back function */ ++ if (!ret) ++ mtd_erase_callback(instr); ++ ++ if (ret) { ++ nand_bbt_set(ra, addr >> ra->erase_shift, BBT_TAG_BAD); ++ } ++ ++ /* Return more or less happy */ ++ return ret; ++} ++ ++static int ++nand_write_oob_buf(struct ra_nand_chip *ra, uint8_t *buf, uint8_t *oob, size_t size, ++ int mode, int ooboffs) ++{ ++ size_t oobsize = 1<<ra->oob_shift; ++ struct nand_oobfree *free; ++ uint32_t woffs = ooboffs; ++ int retsize = 0; ++ ++ ra_dbg("%s: size:%x, mode:%x, offs:%x \n", __func__, size, mode, ooboffs); ++ ++ switch(mode) { ++ case MTD_OPS_PLACE_OOB: ++ case MTD_OPS_RAW: ++ if (ooboffs > oobsize) ++ return -1; ++ ++ size = min(size, oobsize - ooboffs); ++ memcpy(buf + ooboffs, oob, size); ++ retsize = size; ++ break; ++ ++ case MTD_OPS_AUTO_OOB: ++ if (ooboffs > ra->oob->oobavail) ++ return -1; ++ ++ while (size) { ++ for(free = ra->oob->oobfree; free->length && size; free++) { ++ int wlen = free->length - woffs; ++ int bytes = 0; ++ ++ /* Write request not from offset 0 ? */ ++ if (wlen <= 0) { ++ woffs = -wlen; ++ continue; ++ } ++ ++ bytes = min_t(size_t, size, wlen); ++ memcpy (buf + free->offset + woffs, oob, bytes); ++ woffs = 0; ++ oob += bytes; ++ size -= bytes; ++ retsize += bytes; ++ } ++ buf += oobsize; ++ } ++ break; ++ ++ default: ++ BUG(); ++ } ++ ++ return retsize; ++} ++ ++static int nand_read_oob_buf(struct ra_nand_chip *ra, uint8_t *oob, size_t size, ++ int mode, int ooboffs) ++{ ++ size_t oobsize = 1<<ra->oob_shift; ++ uint8_t *buf = ra->buffers + (1<<ra->page_shift); ++ int retsize=0; ++ ++ ra_dbg("%s: size:%x, mode:%x, offs:%x \n", __func__, size, mode, ooboffs); ++ ++ switch(mode) { ++ case MTD_OPS_PLACE_OOB: ++ case MTD_OPS_RAW: ++ if (ooboffs > oobsize) ++ return -1; ++ ++ size = min(size, oobsize - ooboffs); ++ memcpy(oob, buf + ooboffs, size); ++ return size; ++ ++ case MTD_OPS_AUTO_OOB: { ++ struct nand_oobfree *free; ++ uint32_t woffs = ooboffs; ++ ++ if (ooboffs > ra->oob->oobavail) ++ return -1; ++ ++ size = min(size, ra->oob->oobavail - ooboffs); ++ for(free = ra->oob->oobfree; free->length && size; free++) { ++ int wlen = free->length - woffs; ++ int bytes = 0; ++ ++ /* Write request not from offset 0 ? */ ++ if (wlen <= 0) { ++ woffs = -wlen; ++ continue; ++ } ++ ++ bytes = min_t(size_t, size, wlen); ++ memcpy (oob, buf + free->offset + woffs, bytes); ++ woffs = 0; ++ oob += bytes; ++ size -= bytes; ++ retsize += bytes; ++ } ++ return retsize; ++ } ++ default: ++ BUG(); ++ } ++ ++ return -1; ++} ++ ++/** ++ * nand_do_write_ops - [Internal] NAND write with ECC ++ * @mtd: MTD device structure ++ * @to: offset to write to ++ * @ops: oob operations description structure ++ * ++ * NAND write with ECC ++ */ ++static int nand_do_write_ops(struct ra_nand_chip *ra, loff_t to, ++ struct mtd_oob_ops *ops) ++{ ++ int page; ++ uint32_t datalen = ops->len; ++ uint32_t ooblen = ops->ooblen; ++ uint8_t *oob = ops->oobbuf; ++ uint8_t *data = ops->datbuf; ++ int pagesize = (1<<ra->page_shift); ++ int pagemask = (pagesize -1); ++ int oobsize = 1<<ra->oob_shift; ++ loff_t addr = to; ++ //int i = 0; //for ra_dbg only ++ ++ ra_dbg("%s: to:%x, ops data:%p, oob:%p datalen:%x ooblen:%x, ooboffs:%x oobmode:%x \n", ++ __func__, (unsigned int)to, data, oob, datalen, ooblen, ops->ooboffs, ops->mode); ++ ++ ops->retlen = 0; ++ ops->oobretlen = 0; ++ ++ ++ /* Invalidate the page cache, when we write to the cached page */ ++ ra->buffers_page = -1; ++ ++ ++ if (data ==0) ++ datalen = 0; ++ ++ // oob sequential (burst) write ++ if (datalen == 0 && ooblen) { ++ int len = ((ooblen + ops->ooboffs) + (ra->oob->oobavail - 1)) / ra->oob->oobavail * oobsize; ++ ++ /* select chip, and check if it is write protected */ ++ if (nfc_enable_chip(ra, addr, 0)) ++ return -EIO; ++ ++ //FIXME, need sanity check of block boundary ++ page = (int)((to & ((1<<ra->chip_shift)-1)) >> ra->page_shift); //chip boundary ++ memset(ra->buffers, 0x0ff, pagesize); ++ //fixme, should we reserve the original content? ++ if (ops->mode == MTD_OPS_AUTO_OOB) { ++ nfc_read_oob(ra, page, 0, ra->buffers, len, FLAG_NONE); ++ } ++ //prepare buffers ++ if (ooblen != 8) ++ { ++ nand_write_oob_buf(ra, ra->buffers, oob, ooblen, ops->mode, ops->ooboffs); ++ // write out buffer to chip ++ nfc_write_oob(ra, page, 0, ra->buffers, len, FLAG_USE_GDMA); ++ } ++ ++ ops->oobretlen = ooblen; ++ ooblen = 0; ++ } ++ ++ // data sequential (burst) write ++ if (datalen && ooblen == 0) { ++ // ranfc can not support write_data_burst, since hw-ecc and fifo constraints.. ++ } ++ ++ // page write ++ while(datalen || ooblen) { ++ int len; ++ int ret; ++ int offs; ++ int ecc_en = 0; ++ ++ ra_dbg("%s (%d): addr:%x, ops data:%p, oob:%p datalen:%x ooblen:%x, ooboffs:%x \n", ++ __func__, i++, (unsigned int)addr, data, oob, datalen, ooblen, ops->ooboffs); ++ ++ page = (int)((addr & ((1<<ra->chip_shift)-1)) >> ra->page_shift); //chip boundary ++ ++ /* select chip, and check if it is write protected */ ++ if (nfc_enable_chip(ra, addr, 0)) ++ return -EIO; ++ ++ // oob write ++ if (ops->mode == MTD_OPS_AUTO_OOB) { ++ //fixme, this path is not yet varified ++ nfc_read_oob(ra, page, 0, ra->buffers + pagesize, oobsize, FLAG_NONE); ++ } ++ if (oob && ooblen > 0) { ++ len = nand_write_oob_buf(ra, ra->buffers + pagesize, oob, ooblen, ops->mode, ops->ooboffs); ++ if (len < 0) ++ return -EINVAL; ++ ++ oob += len; ++ ops->oobretlen += len; ++ ooblen -= len; ++ } ++ ++ // data write ++ offs = addr & pagemask; ++ len = min_t(size_t, datalen, pagesize - offs); ++ if (data && len > 0) { ++ memcpy(ra->buffers + offs, data, len); // we can not sure ops->buf wether is DMA-able. ++ ++ data += len; ++ datalen -= len; ++ ops->retlen += len; ++ ++ ecc_en = FLAG_ECC_EN; ++ } ++ ret = nfc_write_page(ra, ra->buffers, page, FLAG_USE_GDMA | FLAG_VERIFY | ++ ((ops->mode == MTD_OPS_RAW || ops->mode == MTD_OPS_PLACE_OOB) ? 0 : ecc_en )); ++ if (ret) { ++ nand_bbt_set(ra, addr >> ra->erase_shift, BBT_TAG_BAD); ++ return ret; ++ } ++ ++ nand_bbt_set(ra, addr >> ra->erase_shift, BBT_TAG_GOOD); ++ ++ addr = (page+1) << ra->page_shift; ++ ++ } ++ return 0; ++} ++ ++/** ++ * nand_do_read_ops - [Internal] Read data with ECC ++ * ++ * @mtd: MTD device structure ++ * @from: offset to read from ++ * @ops: oob ops structure ++ * ++ * Internal function. Called with chip held. ++ */ ++static int nand_do_read_ops(struct ra_nand_chip *ra, loff_t from, ++ struct mtd_oob_ops *ops) ++{ ++ int page; ++ uint32_t datalen = ops->len; ++ uint32_t ooblen = ops->ooblen; ++ uint8_t *oob = ops->oobbuf; ++ uint8_t *data = ops->datbuf; ++ int pagesize = (1<<ra->page_shift); ++ int pagemask = (pagesize -1); ++ loff_t addr = from; ++ //int i = 0; //for ra_dbg only ++ ++ ra_dbg("%s: addr:%x, ops data:%p, oob:%p datalen:%x ooblen:%x, ooboffs:%x \n", ++ __func__, (unsigned int)addr, data, oob, datalen, ooblen, ops->ooboffs); ++ ++ ops->retlen = 0; ++ ops->oobretlen = 0; ++ if (data == 0) ++ datalen = 0; ++ ++ ++ while(datalen || ooblen) { ++ int len; ++ int ret; ++ int offs; ++ ++ ra_dbg("%s (%d): addr:%x, ops data:%p, oob:%p datalen:%x ooblen:%x, ooboffs:%x \n", ++ __func__, i++, (unsigned int)addr, data, oob, datalen, ooblen, ops->ooboffs); ++ /* select chip */ ++ if (nfc_enable_chip(ra, addr, 1) < 0) ++ return -EIO; ++ ++ page = (int)((addr & ((1<<ra->chip_shift)-1)) >> ra->page_shift); ++ ++ ret = nfc_read_page(ra, ra->buffers, page, FLAG_VERIFY | ++ ((ops->mode == MTD_OPS_RAW || ops->mode == MTD_OPS_PLACE_OOB) ? 0: FLAG_ECC_EN )); ++ //FIXME, something strange here, some page needs 2 more tries to guarantee read success. ++ if (ret) { ++ printk("read again:\n"); ++ ret = nfc_read_page(ra, ra->buffers, page, FLAG_VERIFY | ++ ((ops->mode == MTD_OPS_RAW || ops->mode == MTD_OPS_PLACE_OOB) ? 0: FLAG_ECC_EN )); ++ ++ if (ret) { ++ printk("read again fail \n"); ++ nand_bbt_set(ra, addr >> ra->erase_shift, BBT_TAG_BAD); ++ if ((ret != -EUCLEAN) && (ret != -EBADMSG)) { ++ return ret; ++ } ++ else { ++ /* ecc verification fail, but data need to be returned. */ ++ } ++ } ++ else { ++ printk(" read agian susccess \n"); ++ } ++ } ++ ++ // oob read ++ if (oob && ooblen > 0) { ++ len = nand_read_oob_buf(ra, oob, ooblen, ops->mode, ops->ooboffs); ++ if (len < 0) { ++ printk("nand_read_oob_buf: fail return %x \n", len); ++ return -EINVAL; ++ } ++ ++ oob += len; ++ ops->oobretlen += len; ++ ooblen -= len; ++ } ++ ++ // data read ++ offs = addr & pagemask; ++ len = min_t(size_t, datalen, pagesize - offs); ++ if (data && len > 0) { ++ memcpy(data, ra->buffers + offs, len); // we can not sure ops->buf wether is DMA-able. ++ ++ data += len; ++ datalen -= len; ++ ops->retlen += len; ++ if (ret) ++ return ret; ++ } ++ ++ ++ nand_bbt_set(ra, addr >> ra->erase_shift, BBT_TAG_GOOD); ++ // address go further to next page, instead of increasing of length of write. This avoids some special cases wrong. ++ addr = (page+1) << ra->page_shift; ++ } ++ return 0; ++} ++ ++static int ++ramtd_nand_erase(struct mtd_info *mtd, struct erase_info *instr) ++{ ++ struct ra_nand_chip *ra = (struct ra_nand_chip *)mtd->priv; ++ int ret; ++ ++ ra_dbg("%s: start:%x, len:%x \n", __func__, ++ (unsigned int)instr->addr, (unsigned int)instr->len); ++ ++ nand_get_device(ra, FL_ERASING); ++ ret = _nand_erase_nand((struct ra_nand_chip *)mtd->priv, instr); ++ nand_release_device(ra); ++ ++ return ret; ++} ++ ++static int ++ramtd_nand_write(struct mtd_info *mtd, loff_t to, size_t len, ++ size_t *retlen, const uint8_t *buf) ++{ ++ struct ra_nand_chip *ra = mtd->priv; ++ struct mtd_oob_ops ops; ++ int ret; ++ ++ ra_dbg("%s: to 0x%x len=0x%x\n", __func__, to, len); ++ ++ if ((to + len) > mtd->size) ++ return -EINVAL; ++ ++ if (!len) ++ return 0; ++ ++ nand_get_device(ra, FL_WRITING); ++ ++ memset(&ops, 0, sizeof(ops)); ++ ops.len = len; ++ ops.datbuf = (uint8_t *)buf; ++ ops.oobbuf = NULL; ++ ops.mode = MTD_OPS_AUTO_OOB; ++ ++ ret = nand_do_write_ops(ra, to, &ops); ++ ++ *retlen = ops.retlen; ++ ++ nand_release_device(ra); ++ ++ return ret; ++} ++ ++static int ++ramtd_nand_read(struct mtd_info *mtd, loff_t from, size_t len, ++ size_t *retlen, uint8_t *buf) ++{ ++ ++ struct ra_nand_chip *ra = mtd->priv; ++ int ret; ++ struct mtd_oob_ops ops; ++ ++ ra_dbg("%s: mtd:%p from:%x, len:%x, buf:%p \n", __func__, mtd, (unsigned int)from, len, buf); ++ ++ /* Do not allow reads past end of device */ ++ if ((from + len) > mtd->size) ++ return -EINVAL; ++ if (!len) ++ return 0; ++ ++ nand_get_device(ra, FL_READING); ++ ++ memset(&ops, 0, sizeof(ops)); ++ ops.len = len; ++ ops.datbuf = buf; ++ ops.oobbuf = NULL; ++ ops.mode = MTD_OPS_AUTO_OOB; ++ ++ ret = nand_do_read_ops(ra, from, &ops); ++ ++ *retlen = ops.retlen; ++ ++ nand_release_device(ra); ++ ++ return ret; ++ ++} ++ ++static int ++ramtd_nand_readoob(struct mtd_info *mtd, loff_t from, ++ struct mtd_oob_ops *ops) ++{ ++ struct ra_nand_chip *ra = mtd->priv; ++ int ret; ++ ++ ra_dbg("%s: \n", __func__); ++ ++ nand_get_device(ra, FL_READING); ++ ++ ret = nand_do_read_ops(ra, from, ops); ++ ++ nand_release_device(ra); ++ ++ return ret; ++} ++ ++static int ++ramtd_nand_writeoob(struct mtd_info *mtd, loff_t to, ++ struct mtd_oob_ops *ops) ++{ ++ struct ra_nand_chip *ra = mtd->priv; ++ int ret; ++ ++ nand_get_device(ra, FL_READING); ++ ret = nand_do_write_ops(ra, to, ops); ++ nand_release_device(ra); ++ ++ return ret; ++} ++ ++static int ++ramtd_nand_block_isbad(struct mtd_info *mtd, loff_t offs) ++{ ++ if (offs > mtd->size) ++ return -EINVAL; ++ ++ return nand_block_checkbad((struct ra_nand_chip *)mtd->priv, offs); ++} ++ ++static int ++ramtd_nand_block_markbad(struct mtd_info *mtd, loff_t ofs) ++{ ++ struct ra_nand_chip *ra = mtd->priv; ++ int ret; ++ ++ ra_dbg("%s: \n", __func__); ++ nand_get_device(ra, FL_WRITING); ++ ret = nand_block_markbad(ra, ofs); ++ nand_release_device(ra); ++ ++ return ret; ++} ++ ++// 1-bit error detection ++static int one_bit_correction(char *ecc1, char *ecc2, int *bytes, int *bits) ++{ ++ // check if ecc and expected are all valid ++ char *p, nibble, crumb; ++ int i, xor, iecc1 = 0, iecc2 = 0; ++ ++ printk("correction : %x %x %x\n", ecc1[0], ecc1[1], ecc1[2]); ++ printk("correction : %x %x %x\n", ecc2[0], ecc2[1], ecc2[2]); ++ ++ p = (char *)ecc1; ++ for (i = 0; i < CONFIG_ECC_BYTES; i++) ++ { ++ nibble = *(p+i) & 0xf; ++ if ((nibble != 0x0) && (nibble != 0xf) && (nibble != 0x3) && (nibble != 0xc) && ++ (nibble != 0x5) && (nibble != 0xa) && (nibble != 0x6) && (nibble != 0x9)) ++ return -1; ++ nibble = ((*(p+i)) >> 4) & 0xf; ++ if ((nibble != 0x0) && (nibble != 0xf) && (nibble != 0x3) && (nibble != 0xc) && ++ (nibble != 0x5) && (nibble != 0xa) && (nibble != 0x6) && (nibble != 0x9)) ++ return -1; ++ } ++ ++ p = (char *)ecc2; ++ for (i = 0; i < CONFIG_ECC_BYTES; i++) ++ { ++ nibble = *(p+i) & 0xf; ++ if ((nibble != 0x0) && (nibble != 0xf) && (nibble != 0x3) && (nibble != 0xc) && ++ (nibble != 0x5) && (nibble != 0xa) && (nibble != 0x6) && (nibble != 0x9)) ++ return -1; ++ nibble = ((*(p+i)) >> 4) & 0xf; ++ if ((nibble != 0x0) && (nibble != 0xf) && (nibble != 0x3) && (nibble != 0xc) && ++ (nibble != 0x5) && (nibble != 0xa) && (nibble != 0x6) && (nibble != 0x9)) ++ return -1; ++ } ++ ++ memcpy(&iecc1, ecc1, 3); ++ memcpy(&iecc2, ecc2, 3); ++ ++ xor = iecc1 ^ iecc2; ++ printk("xor = %x (%x %x)\n", xor, iecc1, iecc2); ++ ++ *bytes = 0; ++ for (i = 0; i < 9; i++) ++ { ++ crumb = (xor >> (2*i)) & 0x3; ++ if ((crumb == 0x0) || (crumb == 0x3)) ++ return -1; ++ if (crumb == 0x2) ++ *bytes += (1 << i); ++ } ++ ++ *bits = 0; ++ for (i = 0; i < 3; i++) ++ { ++ crumb = (xor >> (18 + 2*i)) & 0x3; ++ if ((crumb == 0x0) || (crumb == 0x3)) ++ return -1; ++ if (crumb == 0x2) ++ *bits += (1 << i); ++ } ++ ++ return 0; ++} ++ ++ ++ ++/************************************************************ ++ * the init/exit section. ++ */ ++ ++static struct nand_ecclayout ra_oob_layout = { ++ .eccbytes = CONFIG_ECC_BYTES, ++ .eccpos = {5, 6, 7}, ++ .oobfree = { ++ {.offset = 0, .length = 4}, ++ {.offset = 8, .length = 8}, ++ {.offset = 0, .length = 0} ++ }, ++#define RA_CHIP_OOB_AVAIL (4+8) ++ .oobavail = RA_CHIP_OOB_AVAIL, ++ // 5th byte is bad-block flag. ++}; ++ ++static int ++mtk_nand_probe(struct platform_device *pdev) ++{ ++ struct mtd_part_parser_data ppdata; ++ struct ra_nand_chip *ra; ++ int alloc_size, bbt_size, buffers_size, reg, err; ++ unsigned char chip_mode = 12; ++ ++/* if(ra_check_flash_type()!=BOOT_FROM_NAND) { ++ return 0; ++ }*/ ++ ++ //FIXME: config 512 or 2048-byte page according to HWCONF ++#if defined (CONFIG_RALINK_RT6855A) ++ reg = ra_inl(RALINK_SYSCTL_BASE+0x8c); ++ chip_mode = ((reg>>28) & 0x3)|(((reg>>22) & 0x3)<<2); ++ if (chip_mode == 1) { ++ printk("! nand 2048\n"); ++ ra_or(NFC_CONF1, 1); ++ is_nand_page_2048 = 1; ++ nand_addrlen = 5; ++ } ++ else { ++ printk("! nand 512\n"); ++ ra_and(NFC_CONF1, ~1); ++ is_nand_page_2048 = 0; ++ nand_addrlen = 4; ++ } ++#elif (defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_RT6855)) ++ ra_outl(RALINK_SYSCTL_BASE+0x60, ra_inl(RALINK_SYSCTL_BASE+0x60) & ~(0x3<<18)); ++ reg = ra_inl(RALINK_SYSCTL_BASE+0x10); ++ chip_mode = (reg & 0x0F); ++ if((chip_mode==1)||(chip_mode==11)) { ++ ra_or(NFC_CONF1, 1); ++ is_nand_page_2048 = 1; ++ nand_addrlen = ((chip_mode!=11) ? 4 : 5); ++ printk("!!! nand page size = 2048, addr len=%d\n", nand_addrlen); ++ } ++ else { ++ ra_and(NFC_CONF1, ~1); ++ is_nand_page_2048 = 0; ++ nand_addrlen = ((chip_mode!=10) ? 3 : 4); ++ printk("!!! nand page size = 512, addr len=%d\n", nand_addrlen); ++ } ++#else ++ is_nand_page_2048 = 0; ++ nand_addrlen = 3; ++ printk("!!! nand page size = 512, addr len=%d\n", nand_addrlen); ++#endif ++ ++#if defined (CONFIG_RALINK_RT6855A) || defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_RT6855) ++ //config ECC location ++ ra_and(NFC_CONF1, 0xfff000ff); ++ ra_or(NFC_CONF1, ((CONFIG_ECC_OFFSET + 2) << 16) + ++ ((CONFIG_ECC_OFFSET + 1) << 12) + ++ (CONFIG_ECC_OFFSET << 8)); ++#endif ++ ++#define ALIGNE_16(a) (((unsigned long)(a)+15) & ~15) ++ buffers_size = ALIGNE_16((1<<CONFIG_PAGE_SIZE_BIT) + (1<<CONFIG_OOBSIZE_PER_PAGE_BIT)); //ra->buffers ++ bbt_size = BBTTAG_BITS * (1<<(CONFIG_CHIP_SIZE_BIT - (CONFIG_PAGE_SIZE_BIT + CONFIG_NUMPAGE_PER_BLOCK_BIT))) / 8; //ra->bbt ++ bbt_size = ALIGNE_16(bbt_size); ++ ++ alloc_size = buffers_size + bbt_size; ++ alloc_size += buffers_size; //for ra->readback_buffers ++ alloc_size += sizeof(*ra); ++ alloc_size += sizeof(*ranfc_mtd); ++ ++ //make sure gpio-0 is input ++ ra_outl(RALINK_PIO_BASE+0x24, ra_inl(RALINK_PIO_BASE+0x24) & ~0x01); ++ ++ ra = (struct ra_nand_chip *)kzalloc(alloc_size, GFP_KERNEL | GFP_DMA); ++ if (!ra) { ++ printk("%s: mem alloc fail \n", __func__); ++ return -ENOMEM; ++ } ++ memset(ra, 0, alloc_size); ++ ++ //dynamic ++ ra->buffers = (char *)((char *)ra + sizeof(*ra)); ++ ra->readback_buffers = ra->buffers + buffers_size; ++ ra->bbt = ra->readback_buffers + buffers_size; ++ ranfc_mtd = (struct mtd_info *)(ra->bbt + bbt_size); ++ ++ //static ++ ra->numchips = CONFIG_NUMCHIPS; ++ ra->chip_shift = CONFIG_CHIP_SIZE_BIT; ++ ra->page_shift = CONFIG_PAGE_SIZE_BIT; ++ ra->oob_shift = CONFIG_OOBSIZE_PER_PAGE_BIT; ++ ra->erase_shift = (CONFIG_PAGE_SIZE_BIT + CONFIG_NUMPAGE_PER_BLOCK_BIT); ++ ra->badblockpos = CONFIG_BAD_BLOCK_POS; ++ ra_oob_layout.eccpos[0] = CONFIG_ECC_OFFSET; ++ ra_oob_layout.eccpos[1] = CONFIG_ECC_OFFSET + 1; ++ ra_oob_layout.eccpos[2] = CONFIG_ECC_OFFSET + 2; ++ ra->oob = &ra_oob_layout; ++ ra->buffers_page = -1; ++ ++#if defined (WORKAROUND_RX_BUF_OV) ++ if (ranfc_verify) { ++ ra->sandbox_page = nand_bbt_find_sandbox(ra); ++ } ++#endif ++ ra_outl(NFC_CTRL, ra_inl(NFC_CTRL) | 0x01); //set wp to high ++ nfc_all_reset(); ++ ++ ranfc_mtd->type = MTD_NANDFLASH; ++ ranfc_mtd->flags = MTD_CAP_NANDFLASH; ++ ranfc_mtd->size = CONFIG_NUMCHIPS * CFG_CHIPSIZE; ++ ranfc_mtd->erasesize = CFG_BLOCKSIZE; ++ ranfc_mtd->writesize = CFG_PAGESIZE; ++ ranfc_mtd->oobsize = CFG_PAGE_OOBSIZE; ++ ranfc_mtd->oobavail = RA_CHIP_OOB_AVAIL; ++ ranfc_mtd->name = "ra_nfc"; ++ //ranfc_mtd->index ++ ranfc_mtd->ecclayout = &ra_oob_layout; ++ //ranfc_mtd->numberaseregions ++ //ranfc_mtd->eraseregions ++ //ranfc_mtd->bansize ++ ranfc_mtd->_erase = ramtd_nand_erase; ++ //ranfc_mtd->point ++ //ranfc_mtd->unpoint ++ ranfc_mtd->_read = ramtd_nand_read; ++ ranfc_mtd->_write = ramtd_nand_write; ++ ranfc_mtd->_read_oob = ramtd_nand_readoob; ++ ranfc_mtd->_write_oob = ramtd_nand_writeoob; ++ //ranfc_mtd->get_fact_prot_info; ranfc_mtd->read_fact_prot_reg; ++ //ranfc_mtd->get_user_prot_info; ranfc_mtd->read_user_prot_reg; ++ //ranfc_mtd->write_user_prot_reg; ranfc_mtd->lock_user_prot_reg; ++ //ranfc_mtd->writev; ranfc_mtd->sync; ranfc_mtd->lock; ranfc_mtd->unlock; ranfc_mtd->suspend; ranfc_mtd->resume; ++ ranfc_mtd->_block_isbad = ramtd_nand_block_isbad; ++ ranfc_mtd->_block_markbad = ramtd_nand_block_markbad; ++ //ranfc_mtd->reboot_notifier ++ //ranfc_mtd->ecc_stats; ++ // subpage_sht; ++ ++ //ranfc_mtd->get_device; ranfc_mtd->put_device ++ ranfc_mtd->priv = ra; ++ ++ ranfc_mtd->owner = THIS_MODULE; ++ ra->controller = &ra->hwcontrol; ++ mutex_init(ra->controller); ++ ++ printk("%s: alloc %x, at %p , btt(%p, %x), ranfc_mtd:%p\n", ++ __func__ , alloc_size, ra, ra->bbt, bbt_size, ranfc_mtd); ++ ++ ppdata.of_node = pdev->dev.of_node; ++ err = mtd_device_parse_register(ranfc_mtd, mtk_probe_types, ++ &ppdata, NULL, 0); ++ ++ return err; ++} ++ ++static int ++mtk_nand_remove(struct platform_device *pdev) ++{ ++ struct ra_nand_chip *ra; ++ ++ if (ranfc_mtd) { ++ ra = (struct ra_nand_chip *)ranfc_mtd->priv; ++ ++ /* Deregister partitions */ ++ //del_mtd_partitions(ranfc_mtd); ++ kfree(ra); ++ } ++ return 0; ++} ++ ++static const struct of_device_id mtk_nand_match[] = { ++ { .compatible = "mtk,mt7620-nand" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mtk_nand_match); ++ ++static struct platform_driver mtk_nand_driver = { ++ .probe = mtk_nand_probe, ++ .remove = mtk_nand_remove, ++ .driver = { ++ .name = "mt7620_nand", ++ .owner = THIS_MODULE, ++ .of_match_table = mtk_nand_match, ++ }, ++}; ++ ++module_platform_driver(mtk_nand_driver); ++ ++ ++MODULE_LICENSE("GPL"); +--- /dev/null ++++ b/drivers/mtd/maps/ralink_nand.h +@@ -0,0 +1,232 @@ ++#ifndef RT2880_NAND_H ++#define RT2880_NAND_H ++ ++#include <linux/mtd/mtd.h> ++ ++//#include "gdma.h" ++ ++#define RALINK_SYSCTL_BASE 0xB0000000 ++#define RALINK_PIO_BASE 0xB0000600 ++#define RALINK_NAND_CTRL_BASE 0xB0000810 ++#define CONFIG_RALINK_MT7620 ++ ++#define SKIP_BAD_BLOCK ++//#define RANDOM_GEN_BAD_BLOCK ++ ++#define ra_inl(addr) (*(volatile unsigned int *)(addr)) ++#define ra_outl(addr, value) (*(volatile unsigned int *)(addr) = (value)) ++#define ra_aor(addr, a_mask, o_value) ra_outl(addr, (ra_inl(addr) & (a_mask)) | (o_value)) ++#define ra_and(addr, a_mask) ra_aor(addr, a_mask, 0) ++#define ra_or(addr, o_value) ra_aor(addr, -1, o_value) ++ ++ ++#define CONFIG_NUMCHIPS 1 ++#define CONFIG_NOT_SUPPORT_WP //rt3052 has no WP signal for chip. ++//#define CONFIG_NOT_SUPPORT_RB ++ ++extern int is_nand_page_2048; ++extern const unsigned int nand_size_map[2][3]; ++ ++//chip ++// chip geometry: SAMSUNG small size 32MB. ++#define CONFIG_CHIP_SIZE_BIT (nand_size_map[is_nand_page_2048][nand_addrlen-3]) //! (1<<NAND_SIZE_BYTE) MB ++//#define CONFIG_CHIP_SIZE_BIT (is_nand_page_2048? 29 : 25) //! (1<<NAND_SIZE_BYTE) MB ++#define CONFIG_PAGE_SIZE_BIT (is_nand_page_2048? 11 : 9) //! (1<<PAGE_SIZE) MB ++//#define CONFIG_SUBPAGE_BIT 1 //! these bits will be compensate by command cycle ++#define CONFIG_NUMPAGE_PER_BLOCK_BIT (is_nand_page_2048? 6 : 5) //! order of number of pages a block. ++#define CONFIG_OOBSIZE_PER_PAGE_BIT (is_nand_page_2048? 6 : 4) //! byte number of oob a page. ++#define CONFIG_BAD_BLOCK_POS (is_nand_page_2048? 0 : 4) //! offset of byte to denote bad block. ++#define CONFIG_ECC_BYTES 3 //! ecc has 3 bytes ++#define CONFIG_ECC_OFFSET (is_nand_page_2048? 6 : 5) //! ecc starts from offset 5. ++ ++//this section should not be modified. ++//#define CFG_COLUMN_ADDR_MASK ((1 << (CONFIG_PAGE_SIZE_BIT - CONFIG_SUBPAGE_BIT)) - 1) ++//#define CFG_COLUMN_ADDR_CYCLE (((CONFIG_PAGE_SIZE_BIT - CONFIG_SUBPAGE_BIT) + 7)/8) ++//#define CFG_ROW_ADDR_CYCLE ((CONFIG_CHIP_SIZE_BIT - CONFIG_PAGE_SIZE_BIT + 7)/8) ++//#define CFG_ADDR_CYCLE (CFG_COLUMN_ADDR_CYCLE + CFG_ROW_ADDR_CYCLE) ++ ++#define CFG_COLUMN_ADDR_CYCLE (is_nand_page_2048? 2 : 1) ++#define CFG_ROW_ADDR_CYCLE (nand_addrlen - CFG_COLUMN_ADDR_CYCLE) ++#define CFG_ADDR_CYCLE (CFG_COLUMN_ADDR_CYCLE + CFG_ROW_ADDR_CYCLE) ++ ++#define CFG_CHIPSIZE (1 << ((CONFIG_CHIP_SIZE_BIT>=32)? 31 : CONFIG_CHIP_SIZE_BIT)) ++//#define CFG_CHIPSIZE (1 << CONFIG_CHIP_SIZE_BIT) ++#define CFG_PAGESIZE (1 << CONFIG_PAGE_SIZE_BIT) ++#define CFG_BLOCKSIZE (CFG_PAGESIZE << CONFIG_NUMPAGE_PER_BLOCK_BIT) ++#define CFG_NUMPAGE (1 << (CONFIG_CHIP_SIZE_BIT - CONFIG_PAGE_SIZE_BIT)) ++#define CFG_NUMBLOCK (CFG_NUMPAGE >> CONFIG_NUMPAGE_PER_BLOCK_BIT) ++#define CFG_BLOCK_OOBSIZE (1 << (CONFIG_OOBSIZE_PER_PAGE_BIT + CONFIG_NUMPAGE_PER_BLOCK_BIT)) ++#define CFG_PAGE_OOBSIZE (1 << CONFIG_OOBSIZE_PER_PAGE_BIT) ++ ++#define NAND_BLOCK_ALIGN(addr) ((addr) & (CFG_BLOCKSIZE-1)) ++#define NAND_PAGE_ALIGN(addr) ((addr) & (CFG_PAGESIZE-1)) ++ ++ ++#define NFC_BASE RALINK_NAND_CTRL_BASE ++#define NFC_CTRL (NFC_BASE + 0x0) ++#define NFC_CONF (NFC_BASE + 0x4) ++#define NFC_CMD1 (NFC_BASE + 0x8) ++#define NFC_CMD2 (NFC_BASE + 0xc) ++#define NFC_CMD3 (NFC_BASE + 0x10) ++#define NFC_ADDR (NFC_BASE + 0x14) ++#define NFC_DATA (NFC_BASE + 0x18) ++#if defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || \ ++ defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) ++#define NFC_ECC (NFC_BASE + 0x30) ++#else ++#define NFC_ECC (NFC_BASE + 0x1c) ++#endif ++#define NFC_STATUS (NFC_BASE + 0x20) ++#define NFC_INT_EN (NFC_BASE + 0x24) ++#define NFC_INT_ST (NFC_BASE + 0x28) ++#if defined (CONFIG_RALINK_RT6855) || defined (CONFIG_RALINK_RT6855A) || \ ++ defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) ++#define NFC_CONF1 (NFC_BASE + 0x2c) ++#define NFC_ECC_P1 (NFC_BASE + 0x30) ++#define NFC_ECC_P2 (NFC_BASE + 0x34) ++#define NFC_ECC_P3 (NFC_BASE + 0x38) ++#define NFC_ECC_P4 (NFC_BASE + 0x3c) ++#define NFC_ECC_ERR1 (NFC_BASE + 0x40) ++#define NFC_ECC_ERR2 (NFC_BASE + 0x44) ++#define NFC_ECC_ERR3 (NFC_BASE + 0x48) ++#define NFC_ECC_ERR4 (NFC_BASE + 0x4c) ++#define NFC_ADDR2 (NFC_BASE + 0x50) ++#endif ++ ++enum _int_stat { ++ INT_ST_ND_DONE = 1<<0, ++ INT_ST_TX_BUF_RDY = 1<<1, ++ INT_ST_RX_BUF_RDY = 1<<2, ++ INT_ST_ECC_ERR = 1<<3, ++ INT_ST_TX_TRAS_ERR = 1<<4, ++ INT_ST_RX_TRAS_ERR = 1<<5, ++ INT_ST_TX_KICK_ERR = 1<<6, ++ INT_ST_RX_KICK_ERR = 1<<7 ++}; ++ ++ ++//#define WORKAROUND_RX_BUF_OV 1 ++ ++ ++/************************************************************* ++ * stolen from nand.h ++ *************************************************************/ ++ ++/* ++ * Standard NAND flash commands ++ */ ++#define NAND_CMD_READ0 0 ++#define NAND_CMD_READ1 1 ++#define NAND_CMD_RNDOUT 5 ++#define NAND_CMD_PAGEPROG 0x10 ++#define NAND_CMD_READOOB 0x50 ++#define NAND_CMD_ERASE1 0x60 ++#define NAND_CMD_STATUS 0x70 ++#define NAND_CMD_STATUS_MULTI 0x71 ++#define NAND_CMD_SEQIN 0x80 ++#define NAND_CMD_RNDIN 0x85 ++#define NAND_CMD_READID 0x90 ++#define NAND_CMD_ERASE2 0xd0 ++#define NAND_CMD_RESET 0xff ++ ++/* Extended commands for large page devices */ ++#define NAND_CMD_READSTART 0x30 ++#define NAND_CMD_RNDOUTSTART 0xE0 ++#define NAND_CMD_CACHEDPROG 0x15 ++ ++/* Extended commands for AG-AND device */ ++/* ++ * Note: the command for NAND_CMD_DEPLETE1 is really 0x00 but ++ * there is no way to distinguish that from NAND_CMD_READ0 ++ * until the remaining sequence of commands has been completed ++ * so add a high order bit and mask it off in the command. ++ */ ++#define NAND_CMD_DEPLETE1 0x100 ++#define NAND_CMD_DEPLETE2 0x38 ++#define NAND_CMD_STATUS_MULTI 0x71 ++#define NAND_CMD_STATUS_ERROR 0x72 ++/* multi-bank error status (banks 0-3) */ ++#define NAND_CMD_STATUS_ERROR0 0x73 ++#define NAND_CMD_STATUS_ERROR1 0x74 ++#define NAND_CMD_STATUS_ERROR2 0x75 ++#define NAND_CMD_STATUS_ERROR3 0x76 ++#define NAND_CMD_STATUS_RESET 0x7f ++#define NAND_CMD_STATUS_CLEAR 0xff ++ ++#define NAND_CMD_NONE -1 ++ ++/* Status bits */ ++#define NAND_STATUS_FAIL 0x01 ++#define NAND_STATUS_FAIL_N1 0x02 ++#define NAND_STATUS_TRUE_READY 0x20 ++#define NAND_STATUS_READY 0x40 ++#define NAND_STATUS_WP 0x80 ++ ++typedef enum { ++ FL_READY, ++ FL_READING, ++ FL_WRITING, ++ FL_ERASING, ++ FL_SYNCING, ++ FL_CACHEDPRG, ++ FL_PM_SUSPENDED, ++} nand_state_t; ++ ++/*************************************************************/ ++ ++ ++ ++typedef enum _ra_flags { ++ FLAG_NONE = 0, ++ FLAG_ECC_EN = (1<<0), ++ FLAG_USE_GDMA = (1<<1), ++ FLAG_VERIFY = (1<<2), ++} RA_FLAGS; ++ ++ ++#define BBTTAG_BITS 2 ++#define BBTTAG_BITS_MASK ((1<<BBTTAG_BITS) -1) ++enum BBT_TAG { ++ BBT_TAG_UNKNOWN = 0, //2'b01 ++ BBT_TAG_GOOD = 3, //2'b11 ++ BBT_TAG_BAD = 2, //2'b10 ++ BBT_TAG_RES = 1, //2'b01 ++}; ++ ++struct ra_nand_chip { ++ int numchips; ++ int chip_shift; ++ int page_shift; ++ int erase_shift; ++ int oob_shift; ++ int badblockpos; ++#if !defined (__UBOOT__) ++ struct mutex hwcontrol; ++ struct mutex *controller; ++#endif ++ struct nand_ecclayout *oob; ++ int state; ++ unsigned int buffers_page; ++ char *buffers; //[CFG_PAGESIZE + CFG_PAGE_OOBSIZE]; ++ char *readback_buffers; ++ unsigned char *bbt; ++#if defined (WORKAROUND_RX_BUF_OV) ++ unsigned int sandbox_page; // steal a page (block) for read ECC verification ++#endif ++ ++}; ++ ++ ++ ++//fixme, gdma api ++int nand_dma_sync(void); ++void release_dma_buf(void); ++int set_gdma_ch(unsigned long dst, ++ unsigned long src, unsigned int len, int burst_size, ++ int soft_mode, int src_req_type, int dst_req_type, ++ int src_burst_mode, int dst_burst_mode); ++ ++ ++ ++ ++#endif diff --git a/target/linux/ramips/patches-3.18/0045-mtd-add-mt7621-nand-support.patch b/target/linux/ramips/patches-3.18/0045-mtd-add-mt7621-nand-support.patch new file mode 100644 index 0000000000..3999f54d7a --- /dev/null +++ b/target/linux/ramips/patches-3.18/0045-mtd-add-mt7621-nand-support.patch @@ -0,0 +1,4417 @@ +From 5db075c5dd038fbf4b5a0196e10f4f9658236372 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 11:05:17 +0100 +Subject: [PATCH 45/57] mtd: add mt7621 nand support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/mtd/nand/Kconfig | 6 + + drivers/mtd/nand/Makefile | 1 + + drivers/mtd/nand/bmt.c | 750 ++++++++++++ + drivers/mtd/nand/bmt.h | 80 ++ + drivers/mtd/nand/dev-nand.c | 63 + + drivers/mtd/nand/mt6575_typedefs.h | 340 ++++++ + drivers/mtd/nand/mtk_nand.c | 2304 +++++++++++++++++++++++++++++++++++ + drivers/mtd/nand/mtk_nand.h | 452 +++++++ + drivers/mtd/nand/nand_base.c | 6 +- + drivers/mtd/nand/nand_bbt.c | 19 + + drivers/mtd/nand/nand_def.h | 123 ++ + drivers/mtd/nand/nand_device_list.h | 55 + + drivers/mtd/nand/partition.h | 115 ++ + 13 files changed, 4311 insertions(+), 3 deletions(-) + create mode 100644 drivers/mtd/nand/bmt.c + create mode 100644 drivers/mtd/nand/bmt.h + create mode 100644 drivers/mtd/nand/dev-nand.c + create mode 100644 drivers/mtd/nand/mt6575_typedefs.h + create mode 100644 drivers/mtd/nand/mtk_nand.c + create mode 100644 drivers/mtd/nand/mtk_nand.h + create mode 100644 drivers/mtd/nand/nand_def.h + create mode 100644 drivers/mtd/nand/nand_device_list.h + create mode 100644 drivers/mtd/nand/partition.h + +--- a/drivers/mtd/nand/Kconfig ++++ b/drivers/mtd/nand/Kconfig +@@ -516,4 +516,10 @@ config MTD_NAND_XWAY + Enables support for NAND Flash chips on Lantiq XWAY SoCs. NAND is attached + to the External Bus Unit (EBU). + ++config MTK_MTD_NAND ++ tristate "Support for MTK SoC NAND controller" ++ depends on SOC_MT7621 ++ select MTD_NAND_IDS ++ select MTD_NAND_ECC ++ + endif # MTD_NAND +--- a/drivers/mtd/nand/Makefile ++++ b/drivers/mtd/nand/Makefile +@@ -50,5 +50,6 @@ obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740 + obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/ + obj-$(CONFIG_MTD_NAND_XWAY) += xway_nand.o + obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash/ ++obj-$(CONFIG_MTK_MTD_NAND) += mtk_nand.o bmt.o + + nand-objs := nand_base.o nand_bbt.o nand_timings.o +--- /dev/null ++++ b/drivers/mtd/nand/bmt.c +@@ -0,0 +1,750 @@ ++#include "bmt.h" ++ ++typedef struct ++{ ++ char signature[3]; ++ u8 version; ++ u8 bad_count; // bad block count in pool ++ u8 mapped_count; // mapped block count in pool ++ u8 checksum; ++ u8 reseverd[13]; ++} phys_bmt_header; ++ ++typedef struct ++{ ++ phys_bmt_header header; ++ bmt_entry table[MAX_BMT_SIZE]; ++} phys_bmt_struct; ++ ++typedef struct ++{ ++ char signature[3]; ++} bmt_oob_data; ++ ++static char MAIN_SIGNATURE[] = "BMT"; ++static char OOB_SIGNATURE[] = "bmt"; ++#define SIGNATURE_SIZE (3) ++ ++#define MAX_DAT_SIZE 0x1000 ++#define MAX_OOB_SIZE 0x80 ++ ++static struct mtd_info *mtd_bmt; ++static struct nand_chip *nand_chip_bmt; ++#define BLOCK_SIZE_BMT (1 << nand_chip_bmt->phys_erase_shift) ++#define PAGE_SIZE_BMT (1 << nand_chip_bmt->page_shift) ++ ++#define OFFSET(block) ((block) * BLOCK_SIZE_BMT) ++#define PAGE_ADDR(block) ((block) * BLOCK_SIZE_BMT / PAGE_SIZE_BMT) ++ ++/********************************************************************* ++* Flash is splited into 2 parts, system part is for normal system * ++* system usage, size is system_block_count, another is replace pool * ++* +-------------------------------------------------+ * ++* | system_block_count | bmt_block_count | * ++* +-------------------------------------------------+ * ++*********************************************************************/ ++static u32 total_block_count; // block number in flash ++static u32 system_block_count; ++static int bmt_block_count; // bmt table size ++// static int bmt_count; // block used in bmt ++static int page_per_block; // page per count ++ ++static u32 bmt_block_index; // bmt block index ++static bmt_struct bmt; // dynamic created global bmt table ++ ++static u8 dat_buf[MAX_DAT_SIZE]; ++static u8 oob_buf[MAX_OOB_SIZE]; ++static bool pool_erased; ++ ++/*************************************************************** ++* ++* Interface adaptor for preloader/uboot/kernel ++* These interfaces operate on physical address, read/write ++* physical data. ++* ++***************************************************************/ ++int nand_read_page_bmt(u32 page, u8 * dat, u8 * oob) ++{ ++ return mtk_nand_exec_read_page(mtd_bmt, page, PAGE_SIZE_BMT, dat, oob); ++} ++ ++bool nand_block_bad_bmt(u32 offset) ++{ ++ return mtk_nand_block_bad_hw(mtd_bmt, offset); ++} ++ ++bool nand_erase_bmt(u32 offset) ++{ ++ int status; ++ if (offset < 0x20000) ++ { ++ MSG(INIT, "erase offset: 0x%x\n", offset); ++ } ++ ++ status = mtk_nand_erase_hw(mtd_bmt, offset / PAGE_SIZE_BMT); // as nand_chip structure doesn't have a erase function defined ++ if (status & NAND_STATUS_FAIL) ++ return false; ++ else ++ return true; ++} ++ ++int mark_block_bad_bmt(u32 offset) ++{ ++ return mtk_nand_block_markbad_hw(mtd_bmt, offset); //mark_block_bad_hw(offset); ++} ++ ++bool nand_write_page_bmt(u32 page, u8 * dat, u8 * oob) ++{ ++ if (mtk_nand_exec_write_page(mtd_bmt, page, PAGE_SIZE_BMT, dat, oob)) ++ return false; ++ else ++ return true; ++} ++ ++/*************************************************************** ++* * ++* static internal function * ++* * ++***************************************************************/ ++static void dump_bmt_info(bmt_struct * bmt) ++{ ++ int i; ++ ++ MSG(INIT, "BMT v%d. total %d mapping:\n", bmt->version, bmt->mapped_count); ++ for (i = 0; i < bmt->mapped_count; i++) ++ { ++ MSG(INIT, "\t0x%x -> 0x%x\n", bmt->table[i].bad_index, bmt->table[i].mapped_index); ++ } ++} ++ ++static bool match_bmt_signature(u8 * dat, u8 * oob) ++{ ++ ++ if (memcmp(dat + MAIN_SIGNATURE_OFFSET, MAIN_SIGNATURE, SIGNATURE_SIZE)) ++ { ++ return false; ++ } ++ ++ if (memcmp(oob + OOB_SIGNATURE_OFFSET, OOB_SIGNATURE, SIGNATURE_SIZE)) ++ { ++ MSG(INIT, "main signature match, oob signature doesn't match, but ignore\n"); ++ } ++ return true; ++} ++ ++static u8 cal_bmt_checksum(phys_bmt_struct * phys_table, int bmt_size) ++{ ++ int i; ++ u8 checksum = 0; ++ u8 *dat = (u8 *) phys_table; ++ ++ checksum += phys_table->header.version; ++ checksum += phys_table->header.mapped_count; ++ ++ dat += sizeof(phys_bmt_header); ++ for (i = 0; i < bmt_size * sizeof(bmt_entry); i++) ++ { ++ checksum += dat[i]; ++ } ++ ++ return checksum; ++} ++ ++ ++static int is_block_mapped(int index) ++{ ++ int i; ++ for (i = 0; i < bmt.mapped_count; i++) ++ { ++ if (index == bmt.table[i].mapped_index) ++ return i; ++ } ++ return -1; ++} ++ ++static bool is_page_used(u8 * dat, u8 * oob) ++{ ++ return ((oob[OOB_INDEX_OFFSET] != 0xFF) || (oob[OOB_INDEX_OFFSET + 1] != 0xFF)); ++} ++ ++static bool valid_bmt_data(phys_bmt_struct * phys_table) ++{ ++ int i; ++ u8 checksum = cal_bmt_checksum(phys_table, bmt_block_count); ++ ++ // checksum correct? ++ if (phys_table->header.checksum != checksum) ++ { ++ MSG(INIT, "BMT Data checksum error: %x %x\n", phys_table->header.checksum, checksum); ++ return false; ++ } ++ ++ MSG(INIT, "BMT Checksum is: 0x%x\n", phys_table->header.checksum); ++ ++ // block index correct? ++ for (i = 0; i < phys_table->header.mapped_count; i++) ++ { ++ if (phys_table->table[i].bad_index >= total_block_count || phys_table->table[i].mapped_index >= total_block_count || phys_table->table[i].mapped_index < system_block_count) ++ { ++ MSG(INIT, "index error: bad_index: %d, mapped_index: %d\n", phys_table->table[i].bad_index, phys_table->table[i].mapped_index); ++ return false; ++ } ++ } ++ ++ // pass check, valid bmt. ++ MSG(INIT, "Valid BMT, version v%d\n", phys_table->header.version); ++ return true; ++} ++ ++static void fill_nand_bmt_buffer(bmt_struct * bmt, u8 * dat, u8 * oob) ++{ ++ phys_bmt_struct phys_bmt; ++ ++ dump_bmt_info(bmt); ++ ++ // fill phys_bmt_struct structure with bmt_struct ++ memset(&phys_bmt, 0xFF, sizeof(phys_bmt)); ++ ++ memcpy(phys_bmt.header.signature, MAIN_SIGNATURE, SIGNATURE_SIZE); ++ phys_bmt.header.version = BMT_VERSION; ++ // phys_bmt.header.bad_count = bmt->bad_count; ++ phys_bmt.header.mapped_count = bmt->mapped_count; ++ memcpy(phys_bmt.table, bmt->table, sizeof(bmt_entry) * bmt_block_count); ++ ++ phys_bmt.header.checksum = cal_bmt_checksum(&phys_bmt, bmt_block_count); ++ ++ memcpy(dat + MAIN_SIGNATURE_OFFSET, &phys_bmt, sizeof(phys_bmt)); ++ memcpy(oob + OOB_SIGNATURE_OFFSET, OOB_SIGNATURE, SIGNATURE_SIZE); ++} ++ ++// return valid index if found BMT, else return 0 ++static int load_bmt_data(int start, int pool_size) ++{ ++ int bmt_index = start + pool_size - 1; // find from the end ++ phys_bmt_struct phys_table; ++ int i; ++ ++ MSG(INIT, "[%s]: begin to search BMT from block 0x%x\n", __FUNCTION__, bmt_index); ++ ++ for (bmt_index = start + pool_size - 1; bmt_index >= start; bmt_index--) ++ { ++ if (nand_block_bad_bmt(OFFSET(bmt_index))) ++ { ++ MSG(INIT, "Skip bad block: %d\n", bmt_index); ++ continue; ++ } ++ ++ if (!nand_read_page_bmt(PAGE_ADDR(bmt_index), dat_buf, oob_buf)) ++ { ++ MSG(INIT, "Error found when read block %d\n", bmt_index); ++ continue; ++ } ++ ++ if (!match_bmt_signature(dat_buf, oob_buf)) ++ { ++ continue; ++ } ++ ++ MSG(INIT, "Match bmt signature @ block: 0x%x\n", bmt_index); ++ ++ memcpy(&phys_table, dat_buf + MAIN_SIGNATURE_OFFSET, sizeof(phys_table)); ++ ++ if (!valid_bmt_data(&phys_table)) ++ { ++ MSG(INIT, "BMT data is not correct %d\n", bmt_index); ++ continue; ++ } else ++ { ++ bmt.mapped_count = phys_table.header.mapped_count; ++ bmt.version = phys_table.header.version; ++ // bmt.bad_count = phys_table.header.bad_count; ++ memcpy(bmt.table, phys_table.table, bmt.mapped_count * sizeof(bmt_entry)); ++ ++ MSG(INIT, "bmt found at block: %d, mapped block: %d\n", bmt_index, bmt.mapped_count); ++ ++ for (i = 0; i < bmt.mapped_count; i++) ++ { ++ if (!nand_block_bad_bmt(OFFSET(bmt.table[i].bad_index))) ++ { ++ MSG(INIT, "block 0x%x is not mark bad, should be power lost last time\n", bmt.table[i].bad_index); ++ mark_block_bad_bmt(OFFSET(bmt.table[i].bad_index)); ++ } ++ } ++ ++ return bmt_index; ++ } ++ } ++ ++ MSG(INIT, "bmt block not found!\n"); ++ return 0; ++} ++ ++/************************************************************************* ++* Find an available block and erase. * ++* start_from_end: if true, find available block from end of flash. * ++* else, find from the beginning of the pool * ++* need_erase: if true, all unmapped blocks in the pool will be erased * ++*************************************************************************/ ++static int find_available_block(bool start_from_end) ++{ ++ int i; // , j; ++ int block = system_block_count; ++ int direction; ++ // int avail_index = 0; ++ MSG(INIT, "Try to find_available_block, pool_erase: %d\n", pool_erased); ++ ++ // erase all un-mapped blocks in pool when finding avaliable block ++ if (!pool_erased) ++ { ++ MSG(INIT, "Erase all un-mapped blocks in pool\n"); ++ for (i = 0; i < bmt_block_count; i++) ++ { ++ if (block == bmt_block_index) ++ { ++ MSG(INIT, "Skip bmt block 0x%x\n", block); ++ continue; ++ } ++ ++ if (nand_block_bad_bmt(OFFSET(block + i))) ++ { ++ MSG(INIT, "Skip bad block 0x%x\n", block + i); ++ continue; ++ } ++//if(block==4095) ++//{ ++// continue; ++//} ++ ++ if (is_block_mapped(block + i) >= 0) ++ { ++ MSG(INIT, "Skip mapped block 0x%x\n", block + i); ++ continue; ++ } ++ ++ if (!nand_erase_bmt(OFFSET(block + i))) ++ { ++ MSG(INIT, "Erase block 0x%x failed\n", block + i); ++ mark_block_bad_bmt(OFFSET(block + i)); ++ } ++ } ++ ++ pool_erased = 1; ++ } ++ ++ if (start_from_end) ++ { ++ block = total_block_count - 1; ++ direction = -1; ++ } else ++ { ++ block = system_block_count; ++ direction = 1; ++ } ++ ++ for (i = 0; i < bmt_block_count; i++, block += direction) ++ { ++ if (block == bmt_block_index) ++ { ++ MSG(INIT, "Skip bmt block 0x%x\n", block); ++ continue; ++ } ++ ++ if (nand_block_bad_bmt(OFFSET(block))) ++ { ++ MSG(INIT, "Skip bad block 0x%x\n", block); ++ continue; ++ } ++ ++ if (is_block_mapped(block) >= 0) ++ { ++ MSG(INIT, "Skip mapped block 0x%x\n", block); ++ continue; ++ } ++ ++ MSG(INIT, "Find block 0x%x available\n", block); ++ return block; ++ } ++ ++ return 0; ++} ++ ++static unsigned short get_bad_index_from_oob(u8 * oob_buf) ++{ ++ unsigned short index; ++ memcpy(&index, oob_buf + OOB_INDEX_OFFSET, OOB_INDEX_SIZE); ++ ++ return index; ++} ++ ++void set_bad_index_to_oob(u8 * oob, u16 index) ++{ ++ memcpy(oob + OOB_INDEX_OFFSET, &index, sizeof(index)); ++} ++ ++static int migrate_from_bad(int offset, u8 * write_dat, u8 * write_oob) ++{ ++ int page; ++ int error_block = offset / BLOCK_SIZE_BMT; ++ int error_page = (offset / PAGE_SIZE_BMT) % page_per_block; ++ int to_index; ++ ++ memcpy(oob_buf, write_oob, MAX_OOB_SIZE); ++ ++ to_index = find_available_block(false); ++ ++ if (!to_index) ++ { ++ MSG(INIT, "Cannot find an available block for BMT\n"); ++ return 0; ++ } ++ ++ { // migrate error page first ++ MSG(INIT, "Write error page: 0x%x\n", error_page); ++ if (!write_dat) ++ { ++ nand_read_page_bmt(PAGE_ADDR(error_block) + error_page, dat_buf, NULL); ++ write_dat = dat_buf; ++ } ++ // memcpy(oob_buf, write_oob, MAX_OOB_SIZE); ++ ++ if (error_block < system_block_count) ++ set_bad_index_to_oob(oob_buf, error_block); // if error_block is already a mapped block, original mapping index is in OOB. ++ ++ if (!nand_write_page_bmt(PAGE_ADDR(to_index) + error_page, write_dat, oob_buf)) ++ { ++ MSG(INIT, "Write to page 0x%x fail\n", PAGE_ADDR(to_index) + error_page); ++ mark_block_bad_bmt(to_index); ++ return migrate_from_bad(offset, write_dat, write_oob); ++ } ++ } ++ ++ for (page = 0; page < page_per_block; page++) ++ { ++ if (page != error_page) ++ { ++ nand_read_page_bmt(PAGE_ADDR(error_block) + page, dat_buf, oob_buf); ++ if (is_page_used(dat_buf, oob_buf)) ++ { ++ if (error_block < system_block_count) ++ { ++ set_bad_index_to_oob(oob_buf, error_block); ++ } ++ MSG(INIT, "\tmigrate page 0x%x to page 0x%x\n", PAGE_ADDR(error_block) + page, PAGE_ADDR(to_index) + page); ++ if (!nand_write_page_bmt(PAGE_ADDR(to_index) + page, dat_buf, oob_buf)) ++ { ++ MSG(INIT, "Write to page 0x%x fail\n", PAGE_ADDR(to_index) + page); ++ mark_block_bad_bmt(to_index); ++ return migrate_from_bad(offset, write_dat, write_oob); ++ } ++ } ++ } ++ } ++ ++ MSG(INIT, "Migrate from 0x%x to 0x%x done!\n", error_block, to_index); ++ ++ return to_index; ++} ++ ++static bool write_bmt_to_flash(u8 * dat, u8 * oob) ++{ ++ bool need_erase = true; ++ MSG(INIT, "Try to write BMT\n"); ++ ++ if (bmt_block_index == 0) ++ { ++ // if we don't have index, we don't need to erase found block as it has been erased in find_available_block() ++ need_erase = false; ++ if (!(bmt_block_index = find_available_block(true))) ++ { ++ MSG(INIT, "Cannot find an available block for BMT\n"); ++ return false; ++ } ++ } ++ ++ MSG(INIT, "Find BMT block: 0x%x\n", bmt_block_index); ++ ++ // write bmt to flash ++ if (need_erase) ++ { ++ if (!nand_erase_bmt(OFFSET(bmt_block_index))) ++ { ++ MSG(INIT, "BMT block erase fail, mark bad: 0x%x\n", bmt_block_index); ++ mark_block_bad_bmt(OFFSET(bmt_block_index)); ++ // bmt.bad_count++; ++ ++ bmt_block_index = 0; ++ return write_bmt_to_flash(dat, oob); // recursive call ++ } ++ } ++ ++ if (!nand_write_page_bmt(PAGE_ADDR(bmt_block_index), dat, oob)) ++ { ++ MSG(INIT, "Write BMT data fail, need to write again\n"); ++ mark_block_bad_bmt(OFFSET(bmt_block_index)); ++ // bmt.bad_count++; ++ ++ bmt_block_index = 0; ++ return write_bmt_to_flash(dat, oob); // recursive call ++ } ++ ++ MSG(INIT, "Write BMT data to block 0x%x success\n", bmt_block_index); ++ return true; ++} ++ ++/******************************************************************* ++* Reconstruct bmt, called when found bmt info doesn't match bad ++* block info in flash. ++* ++* Return NULL for failure ++*******************************************************************/ ++bmt_struct *reconstruct_bmt(bmt_struct * bmt) ++{ ++ int i; ++ int index = system_block_count; ++ unsigned short bad_index; ++ int mapped; ++ ++ // init everything in BMT struct ++ bmt->version = BMT_VERSION; ++ bmt->bad_count = 0; ++ bmt->mapped_count = 0; ++ ++ memset(bmt->table, 0, bmt_block_count * sizeof(bmt_entry)); ++ ++ for (i = 0; i < bmt_block_count; i++, index++) ++ { ++ if (nand_block_bad_bmt(OFFSET(index))) ++ { ++ MSG(INIT, "Skip bad block: 0x%x\n", index); ++ // bmt->bad_count++; ++ continue; ++ } ++ ++ MSG(INIT, "read page: 0x%x\n", PAGE_ADDR(index)); ++ nand_read_page_bmt(PAGE_ADDR(index), dat_buf, oob_buf); ++ /* if (mtk_nand_read_page_hw(PAGE_ADDR(index), dat_buf)) ++ { ++ MSG(INIT, "Error when read block %d\n", bmt_block_index); ++ continue; ++ } */ ++ ++ if ((bad_index = get_bad_index_from_oob(oob_buf)) >= system_block_count) ++ { ++ MSG(INIT, "get bad index: 0x%x\n", bad_index); ++ if (bad_index != 0xFFFF) ++ MSG(INIT, "Invalid bad index found in block 0x%x, bad index 0x%x\n", index, bad_index); ++ continue; ++ } ++ ++ MSG(INIT, "Block 0x%x is mapped to bad block: 0x%x\n", index, bad_index); ++ ++ if (!nand_block_bad_bmt(OFFSET(bad_index))) ++ { ++ MSG(INIT, "\tbut block 0x%x is not marked as bad, invalid mapping\n", bad_index); ++ continue; // no need to erase here, it will be erased later when trying to write BMT ++ } ++ ++ if ((mapped = is_block_mapped(bad_index)) >= 0) ++ { ++ MSG(INIT, "bad block 0x%x is mapped to 0x%x, should be caused by power lost, replace with one\n", bmt->table[mapped].bad_index, bmt->table[mapped].mapped_index); ++ bmt->table[mapped].mapped_index = index; // use new one instead. ++ } else ++ { ++ // add mapping to BMT ++ bmt->table[bmt->mapped_count].bad_index = bad_index; ++ bmt->table[bmt->mapped_count].mapped_index = index; ++ bmt->mapped_count++; ++ } ++ ++ MSG(INIT, "Add mapping: 0x%x -> 0x%x to BMT\n", bad_index, index); ++ ++ } ++ ++ MSG(INIT, "Scan replace pool done, mapped block: %d\n", bmt->mapped_count); ++ // dump_bmt_info(bmt); ++ ++ // fill NAND BMT buffer ++ memset(oob_buf, 0xFF, sizeof(oob_buf)); ++ fill_nand_bmt_buffer(bmt, dat_buf, oob_buf); ++ ++ // write BMT back ++ if (!write_bmt_to_flash(dat_buf, oob_buf)) ++ { ++ MSG(INIT, "TRAGEDY: cannot find a place to write BMT!!!!\n"); ++ } ++ ++ return bmt; ++} ++ ++/******************************************************************* ++* [BMT Interface] ++* ++* Description: ++* Init bmt from nand. Reconstruct if not found or data error ++* ++* Parameter: ++* size: size of bmt and replace pool ++* ++* Return: ++* NULL for failure, and a bmt struct for success ++*******************************************************************/ ++bmt_struct *init_bmt(struct nand_chip * chip, int size) ++{ ++ struct mtk_nand_host *host; ++ ++ if (size > 0 && size < MAX_BMT_SIZE) ++ { ++ MSG(INIT, "Init bmt table, size: %d\n", size); ++ bmt_block_count = size; ++ } else ++ { ++ MSG(INIT, "Invalid bmt table size: %d\n", size); ++ return NULL; ++ } ++ nand_chip_bmt = chip; ++ system_block_count = chip->chipsize >> chip->phys_erase_shift; ++ total_block_count = bmt_block_count + system_block_count; ++ page_per_block = BLOCK_SIZE_BMT / PAGE_SIZE_BMT; ++ host = (struct mtk_nand_host *)chip->priv; ++ mtd_bmt = &host->mtd; ++ ++ MSG(INIT, "mtd_bmt: %p, nand_chip_bmt: %p\n", mtd_bmt, nand_chip_bmt); ++ MSG(INIT, "bmt count: %d, system count: %d\n", bmt_block_count, system_block_count); ++ ++ // set this flag, and unmapped block in pool will be erased. ++ pool_erased = 0; ++ memset(bmt.table, 0, size * sizeof(bmt_entry)); ++ if ((bmt_block_index = load_bmt_data(system_block_count, size))) ++ { ++ MSG(INIT, "Load bmt data success @ block 0x%x\n", bmt_block_index); ++ dump_bmt_info(&bmt); ++ return &bmt; ++ } else ++ { ++ MSG(INIT, "Load bmt data fail, need re-construct!\n"); ++#ifndef __UBOOT_NAND__ // BMT is not re-constructed in UBOOT. ++ if (reconstruct_bmt(&bmt)) ++ return &bmt; ++ else ++#endif ++ return NULL; ++ } ++} ++ ++/******************************************************************* ++* [BMT Interface] ++* ++* Description: ++* Update BMT. ++* ++* Parameter: ++* offset: update block/page offset. ++* reason: update reason, see update_reason_t for reason. ++* dat/oob: data and oob buffer for write fail. ++* ++* Return: ++* Return true for success, and false for failure. ++*******************************************************************/ ++bool update_bmt(u32 offset, update_reason_t reason, u8 * dat, u8 * oob) ++{ ++ int map_index; ++ int orig_bad_block = -1; ++ // int bmt_update_index; ++ int i; ++ int bad_index = offset / BLOCK_SIZE_BMT; ++ ++#ifndef MTK_NAND_BMT ++ return false; ++#endif ++ if (reason == UPDATE_WRITE_FAIL) ++ { ++ MSG(INIT, "Write fail, need to migrate\n"); ++ if (!(map_index = migrate_from_bad(offset, dat, oob))) ++ { ++ MSG(INIT, "migrate fail\n"); ++ return false; ++ } ++ } else ++ { ++ if (!(map_index = find_available_block(false))) ++ { ++ MSG(INIT, "Cannot find block in pool\n"); ++ return false; ++ } ++ } ++ ++ // now let's update BMT ++ if (bad_index >= system_block_count) // mapped block become bad, find original bad block ++ { ++ for (i = 0; i < bmt_block_count; i++) ++ { ++ if (bmt.table[i].mapped_index == bad_index) ++ { ++ orig_bad_block = bmt.table[i].bad_index; ++ break; ++ } ++ } ++ // bmt.bad_count++; ++ MSG(INIT, "Mapped block becomes bad, orig bad block is 0x%x\n", orig_bad_block); ++ ++ bmt.table[i].mapped_index = map_index; ++ } else ++ { ++ bmt.table[bmt.mapped_count].mapped_index = map_index; ++ bmt.table[bmt.mapped_count].bad_index = bad_index; ++ bmt.mapped_count++; ++ } ++ ++ memset(oob_buf, 0xFF, sizeof(oob_buf)); ++ fill_nand_bmt_buffer(&bmt, dat_buf, oob_buf); ++ if (!write_bmt_to_flash(dat_buf, oob_buf)) ++ return false; ++ ++ mark_block_bad_bmt(offset); ++ ++ return true; ++} ++ ++/******************************************************************* ++* [BMT Interface] ++* ++* Description: ++* Given an block index, return mapped index if it's mapped, else ++* return given index. ++* ++* Parameter: ++* index: given an block index. This value cannot exceed ++* system_block_count. ++* ++* Return NULL for failure ++*******************************************************************/ ++u16 get_mapping_block_index(int index) ++{ ++ int i; ++#ifndef MTK_NAND_BMT ++ return index; ++#endif ++ if (index > system_block_count) ++ { ++ return index; ++ } ++ ++ for (i = 0; i < bmt.mapped_count; i++) ++ { ++ if (bmt.table[i].bad_index == index) ++ { ++ return bmt.table[i].mapped_index; ++ } ++ } ++ ++ return index; ++} ++#ifdef __KERNEL_NAND__ ++EXPORT_SYMBOL_GPL(init_bmt); ++EXPORT_SYMBOL_GPL(update_bmt); ++EXPORT_SYMBOL_GPL(get_mapping_block_index); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("MediaTek"); ++MODULE_DESCRIPTION("Bad Block mapping management for MediaTek NAND Flash Driver"); ++#endif +--- /dev/null ++++ b/drivers/mtd/nand/bmt.h +@@ -0,0 +1,80 @@ ++#ifndef __BMT_H__ ++#define __BMT_H__ ++ ++#include "nand_def.h" ++ ++#if defined(__PRELOADER_NAND__) ++ ++#include "nand.h" ++ ++#elif defined(__UBOOT_NAND__) ++ ++#include <linux/mtd/nand.h> ++#include "mtk_nand.h" ++ ++#elif defined(__KERNEL_NAND__) ++ ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/nand.h> ++#include <linux/module.h> ++#include "mtk_nand.h" ++ ++#endif ++ ++ ++#define MAX_BMT_SIZE (0x80) ++#define BMT_VERSION (1) // initial version ++ ++#define MAIN_SIGNATURE_OFFSET (0) ++#define OOB_SIGNATURE_OFFSET (1) ++#define OOB_INDEX_OFFSET (29) ++#define OOB_INDEX_SIZE (2) ++#define FAKE_INDEX (0xAAAA) ++ ++typedef struct _bmt_entry_ ++{ ++ u16 bad_index; // bad block index ++ u16 mapped_index; // mapping block index in the replace pool ++} bmt_entry; ++ ++typedef enum ++{ ++ UPDATE_ERASE_FAIL, ++ UPDATE_WRITE_FAIL, ++ UPDATE_UNMAPPED_BLOCK, ++ UPDATE_REASON_COUNT, ++} update_reason_t; ++ ++typedef struct ++{ ++ bmt_entry table[MAX_BMT_SIZE]; ++ u8 version; ++ u8 mapped_count; // mapped block count in pool ++ u8 bad_count; // bad block count in pool. Not used in V1 ++} bmt_struct; ++ ++/*************************************************************** ++* * ++* Interface BMT need to use * ++* * ++***************************************************************/ ++extern bool mtk_nand_exec_read_page(struct mtd_info *mtd, u32 row, u32 page_size, u8 * dat, u8 * oob); ++extern int mtk_nand_block_bad_hw(struct mtd_info *mtd, loff_t ofs); ++extern int mtk_nand_erase_hw(struct mtd_info *mtd, int page); ++extern int mtk_nand_block_markbad_hw(struct mtd_info *mtd, loff_t ofs); ++extern int mtk_nand_exec_write_page(struct mtd_info *mtd, u32 row, u32 page_size, u8 * dat, u8 * oob); ++ ++ ++/*************************************************************** ++* * ++* Different function interface for preloader/uboot/kernel * ++* * ++***************************************************************/ ++void set_bad_index_to_oob(u8 * oob, u16 index); ++ ++ ++bmt_struct *init_bmt(struct nand_chip *nand, int size); ++bool update_bmt(u32 offset, update_reason_t reason, u8 * dat, u8 * oob); ++unsigned short get_mapping_block_index(int index); ++ ++#endif // #ifndef __BMT_H__ +--- /dev/null ++++ b/drivers/mtd/nand/dev-nand.c +@@ -0,0 +1,63 @@ ++#include <linux/init.h> ++#include <linux/kernel.h> ++#include <linux/platform_device.h> ++ ++#include "mt6575_typedefs.h" ++ ++#define RALINK_NAND_CTRL_BASE 0xBE003000 ++#define NFI_base RALINK_NAND_CTRL_BASE ++#define RALINK_NANDECC_CTRL_BASE 0xBE003800 ++#define NFIECC_base RALINK_NANDECC_CTRL_BASE ++#define MT7621_NFI_IRQ_ID SURFBOARDINT_NAND ++#define MT7621_NFIECC_IRQ_ID SURFBOARDINT_NAND_ECC ++ ++#define SURFBOARDINT_NAND 22 ++#define SURFBOARDINT_NAND_ECC 23 ++ ++static struct resource MT7621_resource_nand[] = { ++ { ++ .start = NFI_base, ++ .end = NFI_base + 0x1A0, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = NFIECC_base, ++ .end = NFIECC_base + 0x150, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = MT7621_NFI_IRQ_ID, ++ .flags = IORESOURCE_IRQ, ++ }, ++ { ++ .start = MT7621_NFIECC_IRQ_ID, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device MT7621_nand_dev = { ++ .name = "MT7621-NAND", ++ .id = 0, ++ .num_resources = ARRAY_SIZE(MT7621_resource_nand), ++ .resource = MT7621_resource_nand, ++ .dev = { ++ .platform_data = &mt7621_nand_hw, ++ }, ++}; ++ ++ ++int __init mtk_nand_register(void) ++{ ++ ++ int retval = 0; ++ ++ retval = platform_device_register(&MT7621_nand_dev); ++ if (retval != 0) { ++ printk(KERN_ERR "register nand device fail\n"); ++ return retval; ++ } ++ ++ ++ return retval; ++} ++arch_initcall(mtk_nand_register); +--- /dev/null ++++ b/drivers/mtd/nand/mt6575_typedefs.h +@@ -0,0 +1,340 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ */ ++/* MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++/***************************************************************************** ++* Copyright Statement: ++* -------------------- ++* This software is protected by Copyright and the information contained ++* herein is confidential. The software may not be copied and the information ++* contained herein may not be used or disclosed except with the written ++* permission of MediaTek Inc. (C) 2008 ++* ++* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON ++* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH ++* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO ++* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S ++* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM. ++* ++* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE ++* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO ++* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++* ++* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE ++* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF ++* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND ++* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER ++* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC). ++* ++*****************************************************************************/ ++ ++#ifndef _MT6575_TYPEDEFS_H ++#define _MT6575_TYPEDEFS_H ++ ++#if defined (__KERNEL_NAND__) ++#include <linux/bug.h> ++#else ++#define true 1 ++#define false 0 ++#define bool u8 ++#endif ++ ++// --------------------------------------------------------------------------- ++// Basic Type Definitions ++// --------------------------------------------------------------------------- ++ ++typedef volatile unsigned char *P_kal_uint8; ++typedef volatile unsigned short *P_kal_uint16; ++typedef volatile unsigned int *P_kal_uint32; ++ ++typedef long LONG; ++typedef unsigned char UBYTE; ++typedef short SHORT; ++ ++typedef signed char kal_int8; ++typedef signed short kal_int16; ++typedef signed int kal_int32; ++typedef long long kal_int64; ++typedef unsigned char kal_uint8; ++typedef unsigned short kal_uint16; ++typedef unsigned int kal_uint32; ++typedef unsigned long long kal_uint64; ++typedef char kal_char; ++ ++typedef unsigned int *UINT32P; ++typedef volatile unsigned short *UINT16P; ++typedef volatile unsigned char *UINT8P; ++typedef unsigned char *U8P; ++ ++typedef volatile unsigned char *P_U8; ++typedef volatile signed char *P_S8; ++typedef volatile unsigned short *P_U16; ++typedef volatile signed short *P_S16; ++typedef volatile unsigned int *P_U32; ++typedef volatile signed int *P_S32; ++typedef unsigned long long *P_U64; ++typedef signed long long *P_S64; ++ ++typedef unsigned char U8; ++typedef signed char S8; ++typedef unsigned short U16; ++typedef signed short S16; ++typedef unsigned int U32; ++typedef signed int S32; ++typedef unsigned long long U64; ++typedef signed long long S64; ++//typedef unsigned char bool; ++ ++typedef unsigned char UINT8; ++typedef unsigned short UINT16; ++typedef unsigned int UINT32; ++typedef unsigned short USHORT; ++typedef signed char INT8; ++typedef signed short INT16; ++typedef signed int INT32; ++typedef unsigned int DWORD; ++typedef void VOID; ++typedef unsigned char BYTE; ++typedef float FLOAT; ++ ++typedef char *LPCSTR; ++typedef short *LPWSTR; ++ ++ ++// --------------------------------------------------------------------------- ++// Constants ++// --------------------------------------------------------------------------- ++ ++#define IMPORT EXTERN ++#ifndef __cplusplus ++ #define EXTERN extern ++#else ++ #define EXTERN extern "C" ++#endif ++#define LOCAL static ++#define GLOBAL ++#define EXPORT GLOBAL ++ ++#define EQ == ++#define NEQ != ++#define AND && ++#define OR || ++#define XOR(A,B) ((!(A) AND (B)) OR ((A) AND !(B))) ++ ++#ifndef FALSE ++ #define FALSE (0) ++#endif ++ ++#ifndef TRUE ++ #define TRUE (1) ++#endif ++ ++#ifndef NULL ++ #define NULL (0) ++#endif ++ ++//enum boolean {false, true}; ++enum {RX, TX, NONE}; ++ ++#ifndef BOOL ++typedef unsigned char BOOL; ++#endif ++ ++typedef enum { ++ KAL_FALSE = 0, ++ KAL_TRUE = 1, ++} kal_bool; ++ ++ ++// --------------------------------------------------------------------------- ++// Type Casting ++// --------------------------------------------------------------------------- ++ ++#define AS_INT32(x) (*(INT32 *)((void*)x)) ++#define AS_INT16(x) (*(INT16 *)((void*)x)) ++#define AS_INT8(x) (*(INT8 *)((void*)x)) ++ ++#define AS_UINT32(x) (*(UINT32 *)((void*)x)) ++#define AS_UINT16(x) (*(UINT16 *)((void*)x)) ++#define AS_UINT8(x) (*(UINT8 *)((void*)x)) ++ ++ ++// --------------------------------------------------------------------------- ++// Register Manipulations ++// --------------------------------------------------------------------------- ++ ++#define READ_REGISTER_UINT32(reg) \ ++ (*(volatile UINT32 * const)(reg)) ++ ++#define WRITE_REGISTER_UINT32(reg, val) \ ++ (*(volatile UINT32 * const)(reg)) = (val) ++ ++#define READ_REGISTER_UINT16(reg) \ ++ (*(volatile UINT16 * const)(reg)) ++ ++#define WRITE_REGISTER_UINT16(reg, val) \ ++ (*(volatile UINT16 * const)(reg)) = (val) ++ ++#define READ_REGISTER_UINT8(reg) \ ++ (*(volatile UINT8 * const)(reg)) ++ ++#define WRITE_REGISTER_UINT8(reg, val) \ ++ (*(volatile UINT8 * const)(reg)) = (val) ++ ++#define INREG8(x) READ_REGISTER_UINT8((UINT8*)((void*)(x))) ++#define OUTREG8(x, y) WRITE_REGISTER_UINT8((UINT8*)((void*)(x)), (UINT8)(y)) ++#define SETREG8(x, y) OUTREG8(x, INREG8(x)|(y)) ++#define CLRREG8(x, y) OUTREG8(x, INREG8(x)&~(y)) ++#define MASKREG8(x, y, z) OUTREG8(x, (INREG8(x)&~(y))|(z)) ++ ++#define INREG16(x) READ_REGISTER_UINT16((UINT16*)((void*)(x))) ++#define OUTREG16(x, y) WRITE_REGISTER_UINT16((UINT16*)((void*)(x)),(UINT16)(y)) ++#define SETREG16(x, y) OUTREG16(x, INREG16(x)|(y)) ++#define CLRREG16(x, y) OUTREG16(x, INREG16(x)&~(y)) ++#define MASKREG16(x, y, z) OUTREG16(x, (INREG16(x)&~(y))|(z)) ++ ++#define INREG32(x) READ_REGISTER_UINT32((UINT32*)((void*)(x))) ++#define OUTREG32(x, y) WRITE_REGISTER_UINT32((UINT32*)((void*)(x)), (UINT32)(y)) ++#define SETREG32(x, y) OUTREG32(x, INREG32(x)|(y)) ++#define CLRREG32(x, y) OUTREG32(x, INREG32(x)&~(y)) ++#define MASKREG32(x, y, z) OUTREG32(x, (INREG32(x)&~(y))|(z)) ++ ++ ++#define DRV_Reg8(addr) INREG8(addr) ++#define DRV_WriteReg8(addr, data) OUTREG8(addr, data) ++#define DRV_SetReg8(addr, data) SETREG8(addr, data) ++#define DRV_ClrReg8(addr, data) CLRREG8(addr, data) ++ ++#define DRV_Reg16(addr) INREG16(addr) ++#define DRV_WriteReg16(addr, data) OUTREG16(addr, data) ++#define DRV_SetReg16(addr, data) SETREG16(addr, data) ++#define DRV_ClrReg16(addr, data) CLRREG16(addr, data) ++ ++#define DRV_Reg32(addr) INREG32(addr) ++#define DRV_WriteReg32(addr, data) OUTREG32(addr, data) ++#define DRV_SetReg32(addr, data) SETREG32(addr, data) ++#define DRV_ClrReg32(addr, data) CLRREG32(addr, data) ++ ++// !!! DEPRECATED, WILL BE REMOVED LATER !!! ++#define DRV_Reg(addr) DRV_Reg16(addr) ++#define DRV_WriteReg(addr, data) DRV_WriteReg16(addr, data) ++#define DRV_SetReg(addr, data) DRV_SetReg16(addr, data) ++#define DRV_ClrReg(addr, data) DRV_ClrReg16(addr, data) ++ ++ ++// --------------------------------------------------------------------------- ++// Compiler Time Deduction Macros ++// --------------------------------------------------------------------------- ++ ++#define _MASK_OFFSET_1(x, n) ((x) & 0x1) ? (n) : ++#define _MASK_OFFSET_2(x, n) _MASK_OFFSET_1((x), (n)) _MASK_OFFSET_1((x) >> 1, (n) + 1) ++#define _MASK_OFFSET_4(x, n) _MASK_OFFSET_2((x), (n)) _MASK_OFFSET_2((x) >> 2, (n) + 2) ++#define _MASK_OFFSET_8(x, n) _MASK_OFFSET_4((x), (n)) _MASK_OFFSET_4((x) >> 4, (n) + 4) ++#define _MASK_OFFSET_16(x, n) _MASK_OFFSET_8((x), (n)) _MASK_OFFSET_8((x) >> 8, (n) + 8) ++#define _MASK_OFFSET_32(x, n) _MASK_OFFSET_16((x), (n)) _MASK_OFFSET_16((x) >> 16, (n) + 16) ++ ++#define MASK_OFFSET_ERROR (0xFFFFFFFF) ++ ++#define MASK_OFFSET(x) (_MASK_OFFSET_32(x, 0) MASK_OFFSET_ERROR) ++ ++ ++// --------------------------------------------------------------------------- ++// Assertions ++// --------------------------------------------------------------------------- ++ ++#ifndef ASSERT ++ #define ASSERT(expr) BUG_ON(!(expr)) ++#endif ++ ++#ifndef NOT_IMPLEMENTED ++ #define NOT_IMPLEMENTED() BUG_ON(1) ++#endif ++ ++#define STATIC_ASSERT(pred) STATIC_ASSERT_X(pred, __LINE__) ++#define STATIC_ASSERT_X(pred, line) STATIC_ASSERT_XX(pred, line) ++#define STATIC_ASSERT_XX(pred, line) \ ++ extern char assertion_failed_at_##line[(pred) ? 1 : -1] ++ ++// --------------------------------------------------------------------------- ++// Resolve Compiler Warnings ++// --------------------------------------------------------------------------- ++ ++#define NOT_REFERENCED(x) { (x) = (x); } ++ ++ ++// --------------------------------------------------------------------------- ++// Utilities ++// --------------------------------------------------------------------------- ++ ++#define MAXIMUM(A,B) (((A)>(B))?(A):(B)) ++#define MINIMUM(A,B) (((A)<(B))?(A):(B)) ++ ++#define ARY_SIZE(x) (sizeof((x)) / sizeof((x[0]))) ++#define DVT_DELAYMACRO(u4Num) \ ++{ \ ++ UINT32 u4Count = 0 ; \ ++ for (u4Count = 0; u4Count < u4Num; u4Count++ ); \ ++} \ ++ ++#define A68351B 0 ++#define B68351B 1 ++#define B68351D 2 ++#define B68351E 3 ++#define UNKNOWN_IC_VERSION 0xFF ++ ++/* NAND driver */ ++struct mtk_nand_host_hw { ++ unsigned int nfi_bus_width; /* NFI_BUS_WIDTH */ ++ unsigned int nfi_access_timing; /* NFI_ACCESS_TIMING */ ++ unsigned int nfi_cs_num; /* NFI_CS_NUM */ ++ unsigned int nand_sec_size; /* NAND_SECTOR_SIZE */ ++ unsigned int nand_sec_shift; /* NAND_SECTOR_SHIFT */ ++ unsigned int nand_ecc_size; ++ unsigned int nand_ecc_bytes; ++ unsigned int nand_ecc_mode; ++}; ++extern struct mtk_nand_host_hw mt7621_nand_hw; ++extern unsigned int CFG_BLOCKSIZE; ++ ++#endif // _MT6575_TYPEDEFS_H ++ +--- /dev/null ++++ b/drivers/mtd/nand/mtk_nand.c +@@ -0,0 +1,2304 @@ ++/****************************************************************************** ++* mtk_nand.c - MTK NAND Flash Device Driver ++ * ++* Copyright 2009-2012 MediaTek Co.,Ltd. ++ * ++* DESCRIPTION: ++* This file provid the other drivers nand relative functions ++ * ++* modification history ++* ---------------------------------------- ++* v3.0, 11 Feb 2010, mtk ++* ---------------------------------------- ++******************************************************************************/ ++#include "nand_def.h" ++#include <linux/slab.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/delay.h> ++#include <linux/errno.h> ++#include <linux/sched.h> ++#include <linux/types.h> ++#include <linux/wait.h> ++#include <linux/spinlock.h> ++#include <linux/interrupt.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/nand.h> ++#include <linux/mtd/partitions.h> ++#include <linux/mtd/nand_ecc.h> ++#include <linux/dma-mapping.h> ++#include <linux/jiffies.h> ++#include <linux/platform_device.h> ++#include <linux/proc_fs.h> ++#include <linux/time.h> ++#include <linux/mm.h> ++#include <asm/io.h> ++#include <asm/cacheflush.h> ++#include <asm/uaccess.h> ++#include <linux/miscdevice.h> ++#include "mtk_nand.h" ++#include "nand_device_list.h" ++ ++#include "bmt.h" ++#include "partition.h" ++ ++unsigned int CFG_BLOCKSIZE; ++ ++static int shift_on_bbt = 0; ++extern void nand_bbt_set(struct mtd_info *mtd, int page, int flag); ++extern int nand_bbt_get(struct mtd_info *mtd, int page); ++int mtk_nand_read_oob_hw(struct mtd_info *mtd, struct nand_chip *chip, int page); ++ ++static const char * const probe_types[] = { "cmdlinepart", "ofpart", NULL }; ++ ++#define NAND_CMD_STATUS_MULTI 0x71 ++ ++void show_stack(struct task_struct *tsk, unsigned long *sp); ++extern void mt_irq_set_sens(unsigned int irq, unsigned int sens); ++extern void mt_irq_set_polarity(unsigned int irq,unsigned int polarity); ++ ++struct mtk_nand_host mtk_nand_host; /* include mtd_info and nand_chip structs */ ++struct mtk_nand_host_hw mt7621_nand_hw = { ++ .nfi_bus_width = 8, ++ .nfi_access_timing = NFI_DEFAULT_ACCESS_TIMING, ++ .nfi_cs_num = NFI_CS_NUM, ++ .nand_sec_size = 512, ++ .nand_sec_shift = 9, ++ .nand_ecc_size = 2048, ++ .nand_ecc_bytes = 32, ++ .nand_ecc_mode = NAND_ECC_HW, ++}; ++ ++ ++/******************************************************************************* ++ * Gloable Varible Definition ++ *******************************************************************************/ ++ ++#define NFI_ISSUE_COMMAND(cmd, col_addr, row_addr, col_num, row_num) \ ++ do { \ ++ DRV_WriteReg(NFI_CMD_REG16,cmd);\ ++ while (DRV_Reg32(NFI_STA_REG32) & STA_CMD_STATE);\ ++ DRV_WriteReg32(NFI_COLADDR_REG32, col_addr);\ ++ DRV_WriteReg32(NFI_ROWADDR_REG32, row_addr);\ ++ DRV_WriteReg(NFI_ADDRNOB_REG16, col_num | (row_num<<ADDR_ROW_NOB_SHIFT));\ ++ while (DRV_Reg32(NFI_STA_REG32) & STA_ADDR_STATE);\ ++ }while(0); ++ ++//------------------------------------------------------------------------------- ++static struct NAND_CMD g_kCMD; ++static u32 g_u4ChipVer; ++bool g_bInitDone; ++static bool g_bcmdstatus; ++static u32 g_value = 0; ++static int g_page_size; ++ ++BOOL g_bHwEcc = true; ++ ++ ++static u8 *local_buffer_16_align; // 16 byte aligned buffer, for HW issue ++static u8 local_buffer[4096 + 512]; ++ ++extern void nand_release_device(struct mtd_info *mtd); ++extern int nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state); ++ ++#if defined(MTK_NAND_BMT) ++static bmt_struct *g_bmt; ++#endif ++struct mtk_nand_host *host; ++extern struct mtd_partition g_pasStatic_Partition[]; ++int part_num = NUM_PARTITIONS; ++int manu_id; ++int dev_id; ++ ++static u8 local_oob_buf[NAND_MAX_OOBSIZE]; ++ ++static u8 nand_badblock_offset = 0; ++ ++void nand_enable_clock(void) ++{ ++ //enable_clock(MT65XX_PDN_PERI_NFI, "NAND"); ++} ++ ++void nand_disable_clock(void) ++{ ++ //disable_clock(MT65XX_PDN_PERI_NFI, "NAND"); ++} ++ ++static struct nand_ecclayout nand_oob_16 = { ++ .eccbytes = 8, ++ .eccpos = {8, 9, 10, 11, 12, 13, 14, 15}, ++ .oobfree = {{1, 6}, {0, 0}} ++}; ++ ++struct nand_ecclayout nand_oob_64 = { ++ .eccbytes = 32, ++ .eccpos = {32, 33, 34, 35, 36, 37, 38, 39, ++ 40, 41, 42, 43, 44, 45, 46, 47, ++ 48, 49, 50, 51, 52, 53, 54, 55, ++ 56, 57, 58, 59, 60, 61, 62, 63}, ++ .oobfree = {{1, 7}, {9, 7}, {17, 7}, {25, 6}, {0, 0}} ++}; ++ ++struct nand_ecclayout nand_oob_128 = { ++ .eccbytes = 64, ++ .eccpos = { ++ 64, 65, 66, 67, 68, 69, 70, 71, ++ 72, 73, 74, 75, 76, 77, 78, 79, ++ 80, 81, 82, 83, 84, 85, 86, 86, ++ 88, 89, 90, 91, 92, 93, 94, 95, ++ 96, 97, 98, 99, 100, 101, 102, 103, ++ 104, 105, 106, 107, 108, 109, 110, 111, ++ 112, 113, 114, 115, 116, 117, 118, 119, ++ 120, 121, 122, 123, 124, 125, 126, 127}, ++ .oobfree = {{1, 7}, {9, 7}, {17, 7}, {25, 7}, {33, 7}, {41, 7}, {49, 7}, {57, 6}} ++}; ++ ++flashdev_info devinfo; ++ ++void dump_nfi(void) ++{ ++} ++ ++void dump_ecc(void) ++{ ++} ++ ++u32 ++nand_virt_to_phys_add(u32 va) ++{ ++ u32 pageOffset = (va & (PAGE_SIZE - 1)); ++ pgd_t *pgd; ++ pmd_t *pmd; ++ pte_t *pte; ++ u32 pa; ++ ++ if (virt_addr_valid(va)) ++ return __virt_to_phys(va); ++ ++ if (NULL == current) { ++ printk(KERN_ERR "[nand_virt_to_phys_add] ERROR ,current is NULL! \n"); ++ return 0; ++ } ++ ++ if (NULL == current->mm) { ++ printk(KERN_ERR "[nand_virt_to_phys_add] ERROR current->mm is NULL! tgid=0x%x, name=%s \n", current->tgid, current->comm); ++ return 0; ++ } ++ ++ pgd = pgd_offset(current->mm, va); /* what is tsk->mm */ ++ if (pgd_none(*pgd) || pgd_bad(*pgd)) { ++ printk(KERN_ERR "[nand_virt_to_phys_add] ERROR, va=0x%x, pgd invalid! \n", va); ++ return 0; ++ } ++ ++ pmd = pmd_offset((pud_t *)pgd, va); ++ if (pmd_none(*pmd) || pmd_bad(*pmd)) { ++ printk(KERN_ERR "[nand_virt_to_phys_add] ERROR, va=0x%x, pmd invalid! \n", va); ++ return 0; ++ } ++ ++ pte = pte_offset_map(pmd, va); ++ if (pte_present(*pte)) { ++ pa = (pte_val(*pte) & (PAGE_MASK)) | pageOffset; ++ return pa; ++ } ++ ++ printk(KERN_ERR "[nand_virt_to_phys_add] ERROR va=0x%x, pte invalid! \n", va); ++ return 0; ++} ++EXPORT_SYMBOL(nand_virt_to_phys_add); ++ ++bool ++get_device_info(u16 id, u32 ext_id, flashdev_info * pdevinfo) ++{ ++ u32 index; ++ for (index = 0; gen_FlashTable[index].id != 0; index++) { ++ if (id == gen_FlashTable[index].id && ext_id == gen_FlashTable[index].ext_id) { ++ pdevinfo->id = gen_FlashTable[index].id; ++ pdevinfo->ext_id = gen_FlashTable[index].ext_id; ++ pdevinfo->blocksize = gen_FlashTable[index].blocksize; ++ pdevinfo->addr_cycle = gen_FlashTable[index].addr_cycle; ++ pdevinfo->iowidth = gen_FlashTable[index].iowidth; ++ pdevinfo->timmingsetting = gen_FlashTable[index].timmingsetting; ++ pdevinfo->advancedmode = gen_FlashTable[index].advancedmode; ++ pdevinfo->pagesize = gen_FlashTable[index].pagesize; ++ pdevinfo->sparesize = gen_FlashTable[index].sparesize; ++ pdevinfo->totalsize = gen_FlashTable[index].totalsize; ++ memcpy(pdevinfo->devciename, gen_FlashTable[index].devciename, sizeof(pdevinfo->devciename)); ++ printk(KERN_INFO "Device found in MTK table, ID: %x, EXT_ID: %x\n", id, ext_id); ++ ++ goto find; ++ } ++ } ++ ++find: ++ if (0 == pdevinfo->id) { ++ printk(KERN_INFO "Device not found, ID: %x\n", id); ++ return false; ++ } else { ++ return true; ++ } ++} ++ ++static void ++ECC_Config(struct mtk_nand_host_hw *hw,u32 ecc_bit) ++{ ++ u32 u4ENCODESize; ++ u32 u4DECODESize; ++ u32 ecc_bit_cfg = ECC_CNFG_ECC4; ++ ++ switch(ecc_bit){ ++ case 4: ++ ecc_bit_cfg = ECC_CNFG_ECC4; ++ break; ++ case 8: ++ ecc_bit_cfg = ECC_CNFG_ECC8; ++ break; ++ case 10: ++ ecc_bit_cfg = ECC_CNFG_ECC10; ++ break; ++ case 12: ++ ecc_bit_cfg = ECC_CNFG_ECC12; ++ break; ++ default: ++ break; ++ } ++ DRV_WriteReg16(ECC_DECCON_REG16, DEC_DE); ++ do { ++ } while (!DRV_Reg16(ECC_DECIDLE_REG16)); ++ ++ DRV_WriteReg16(ECC_ENCCON_REG16, ENC_DE); ++ do { ++ } while (!DRV_Reg32(ECC_ENCIDLE_REG32)); ++ ++ /* setup FDM register base */ ++ DRV_WriteReg32(ECC_FDMADDR_REG32, NFI_FDM0L_REG32); ++ ++ /* Sector + FDM */ ++ u4ENCODESize = (hw->nand_sec_size + 8) << 3; ++ /* Sector + FDM + YAFFS2 meta data bits */ ++ u4DECODESize = ((hw->nand_sec_size + 8) << 3) + ecc_bit * 13; ++ ++ /* configure ECC decoder && encoder */ ++ DRV_WriteReg32(ECC_DECCNFG_REG32, ecc_bit_cfg | DEC_CNFG_NFI | DEC_CNFG_EMPTY_EN | (u4DECODESize << DEC_CNFG_CODE_SHIFT)); ++ ++ DRV_WriteReg32(ECC_ENCCNFG_REG32, ecc_bit_cfg | ENC_CNFG_NFI | (u4ENCODESize << ENC_CNFG_MSG_SHIFT)); ++ NFI_SET_REG32(ECC_DECCNFG_REG32, DEC_CNFG_EL); ++} ++ ++static void ++ECC_Decode_Start(void) ++{ ++ while (!(DRV_Reg16(ECC_DECIDLE_REG16) & DEC_IDLE)) ++ ; ++ DRV_WriteReg16(ECC_DECCON_REG16, DEC_EN); ++} ++ ++static void ++ECC_Decode_End(void) ++{ ++ while (!(DRV_Reg16(ECC_DECIDLE_REG16) & DEC_IDLE)) ++ ; ++ DRV_WriteReg16(ECC_DECCON_REG16, DEC_DE); ++} ++ ++static void ++ECC_Encode_Start(void) ++{ ++ while (!(DRV_Reg32(ECC_ENCIDLE_REG32) & ENC_IDLE)) ++ ; ++ mb(); ++ DRV_WriteReg16(ECC_ENCCON_REG16, ENC_EN); ++} ++ ++static void ++ECC_Encode_End(void) ++{ ++ /* wait for device returning idle */ ++ while (!(DRV_Reg32(ECC_ENCIDLE_REG32) & ENC_IDLE)) ; ++ mb(); ++ DRV_WriteReg16(ECC_ENCCON_REG16, ENC_DE); ++} ++ ++static bool ++mtk_nand_check_bch_error(struct mtd_info *mtd, u8 * pDataBuf, u32 u4SecIndex, u32 u4PageAddr) ++{ ++ bool bRet = true; ++ u16 u2SectorDoneMask = 1 << u4SecIndex; ++ u32 u4ErrorNumDebug, i, u4ErrNum; ++ u32 timeout = 0xFFFF; ++ // int el; ++ u32 au4ErrBitLoc[6]; ++ u32 u4ErrByteLoc, u4BitOffset; ++ u32 u4ErrBitLoc1th, u4ErrBitLoc2nd; ++ ++ //4 // Wait for Decode Done ++ while (0 == (u2SectorDoneMask & DRV_Reg16(ECC_DECDONE_REG16))) { ++ timeout--; ++ if (0 == timeout) ++ return false; ++ } ++ /* We will manually correct the error bits in the last sector, not all the sectors of the page! */ ++ memset(au4ErrBitLoc, 0x0, sizeof(au4ErrBitLoc)); ++ u4ErrorNumDebug = DRV_Reg32(ECC_DECENUM_REG32); ++ u4ErrNum = DRV_Reg32(ECC_DECENUM_REG32) >> (u4SecIndex << 2); ++ u4ErrNum &= 0xF; ++ ++ if (u4ErrNum) { ++ if (0xF == u4ErrNum) { ++ mtd->ecc_stats.failed++; ++ bRet = false; ++ //printk(KERN_ERR"UnCorrectable at PageAddr=%d\n", u4PageAddr); ++ } else { ++ for (i = 0; i < ((u4ErrNum + 1) >> 1); ++i) { ++ au4ErrBitLoc[i] = DRV_Reg32(ECC_DECEL0_REG32 + i); ++ u4ErrBitLoc1th = au4ErrBitLoc[i] & 0x1FFF; ++ if (u4ErrBitLoc1th < 0x1000) { ++ u4ErrByteLoc = u4ErrBitLoc1th / 8; ++ u4BitOffset = u4ErrBitLoc1th % 8; ++ pDataBuf[u4ErrByteLoc] = pDataBuf[u4ErrByteLoc] ^ (1 << u4BitOffset); ++ mtd->ecc_stats.corrected++; ++ } else { ++ mtd->ecc_stats.failed++; ++ } ++ u4ErrBitLoc2nd = (au4ErrBitLoc[i] >> 16) & 0x1FFF; ++ if (0 != u4ErrBitLoc2nd) { ++ if (u4ErrBitLoc2nd < 0x1000) { ++ u4ErrByteLoc = u4ErrBitLoc2nd / 8; ++ u4BitOffset = u4ErrBitLoc2nd % 8; ++ pDataBuf[u4ErrByteLoc] = pDataBuf[u4ErrByteLoc] ^ (1 << u4BitOffset); ++ mtd->ecc_stats.corrected++; ++ } else { ++ mtd->ecc_stats.failed++; ++ //printk(KERN_ERR"UnCorrectable High ErrLoc=%d\n", au4ErrBitLoc[i]); ++ } ++ } ++ } ++ } ++ if (0 == (DRV_Reg16(ECC_DECFER_REG16) & (1 << u4SecIndex))) ++ bRet = false; ++ } ++ return bRet; ++} ++ ++static bool ++mtk_nand_RFIFOValidSize(u16 u2Size) ++{ ++ u32 timeout = 0xFFFF; ++ while (FIFO_RD_REMAIN(DRV_Reg16(NFI_FIFOSTA_REG16)) < u2Size) { ++ timeout--; ++ if (0 == timeout) ++ return false; ++ } ++ return true; ++} ++ ++static bool ++mtk_nand_WFIFOValidSize(u16 u2Size) ++{ ++ u32 timeout = 0xFFFF; ++ ++ while (FIFO_WR_REMAIN(DRV_Reg16(NFI_FIFOSTA_REG16)) > u2Size) { ++ timeout--; ++ if (0 == timeout) ++ return false; ++ } ++ return true; ++} ++ ++static bool ++mtk_nand_status_ready(u32 u4Status) ++{ ++ u32 timeout = 0xFFFF; ++ ++ while ((DRV_Reg32(NFI_STA_REG32) & u4Status) != 0) { ++ timeout--; ++ if (0 == timeout) ++ return false; ++ } ++ return true; ++} ++ ++static bool ++mtk_nand_reset(void) ++{ ++ int timeout = 0xFFFF; ++ if (DRV_Reg16(NFI_MASTERSTA_REG16)) { ++ mb(); ++ DRV_WriteReg16(NFI_CON_REG16, CON_FIFO_FLUSH | CON_NFI_RST); ++ while (DRV_Reg16(NFI_MASTERSTA_REG16)) { ++ timeout--; ++ if (!timeout) ++ MSG(INIT, "Wait for NFI_MASTERSTA timeout\n"); ++ } ++ } ++ /* issue reset operation */ ++ mb(); ++ DRV_WriteReg16(NFI_CON_REG16, CON_FIFO_FLUSH | CON_NFI_RST); ++ ++ return mtk_nand_status_ready(STA_NFI_FSM_MASK | STA_NAND_BUSY) && mtk_nand_RFIFOValidSize(0) && mtk_nand_WFIFOValidSize(0); ++} ++ ++static void ++mtk_nand_set_mode(u16 u2OpMode) ++{ ++ u16 u2Mode = DRV_Reg16(NFI_CNFG_REG16); ++ u2Mode &= ~CNFG_OP_MODE_MASK; ++ u2Mode |= u2OpMode; ++ DRV_WriteReg16(NFI_CNFG_REG16, u2Mode); ++} ++ ++static void ++mtk_nand_set_autoformat(bool bEnable) ++{ ++ if (bEnable) ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_AUTO_FMT_EN); ++ else ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AUTO_FMT_EN); ++} ++ ++static void ++mtk_nand_configure_fdm(u16 u2FDMSize) ++{ ++ NFI_CLN_REG16(NFI_PAGEFMT_REG16, PAGEFMT_FDM_MASK | PAGEFMT_FDM_ECC_MASK); ++ NFI_SET_REG16(NFI_PAGEFMT_REG16, u2FDMSize << PAGEFMT_FDM_SHIFT); ++ NFI_SET_REG16(NFI_PAGEFMT_REG16, u2FDMSize << PAGEFMT_FDM_ECC_SHIFT); ++} ++ ++static void ++mtk_nand_configure_lock(void) ++{ ++ u32 u4WriteColNOB = 2; ++ u32 u4WriteRowNOB = 3; ++ u32 u4EraseColNOB = 0; ++ u32 u4EraseRowNOB = 3; ++ DRV_WriteReg16(NFI_LOCKANOB_REG16, ++ (u4WriteColNOB << PROG_CADD_NOB_SHIFT) | (u4WriteRowNOB << PROG_RADD_NOB_SHIFT) | (u4EraseColNOB << ERASE_CADD_NOB_SHIFT) | (u4EraseRowNOB << ERASE_RADD_NOB_SHIFT)); ++ ++ if (CHIPVER_ECO_1 == g_u4ChipVer) { ++ int i; ++ for (i = 0; i < 16; ++i) { ++ DRV_WriteReg32(NFI_LOCK00ADD_REG32 + (i << 1), 0xFFFFFFFF); ++ DRV_WriteReg32(NFI_LOCK00FMT_REG32 + (i << 1), 0xFFFFFFFF); ++ } ++ //DRV_WriteReg16(NFI_LOCKANOB_REG16, 0x0); ++ DRV_WriteReg32(NFI_LOCKCON_REG32, 0xFFFFFFFF); ++ DRV_WriteReg16(NFI_LOCK_REG16, NFI_LOCK_ON); ++ } ++} ++ ++static bool ++mtk_nand_pio_ready(void) ++{ ++ int count = 0; ++ while (!(DRV_Reg16(NFI_PIO_DIRDY_REG16) & 1)) { ++ count++; ++ if (count > 0xffff) { ++ printk("PIO_DIRDY timeout\n"); ++ return false; ++ } ++ } ++ ++ return true; ++} ++ ++static bool ++mtk_nand_set_command(u16 command) ++{ ++ mb(); ++ DRV_WriteReg16(NFI_CMD_REG16, command); ++ return mtk_nand_status_ready(STA_CMD_STATE); ++} ++ ++static bool ++mtk_nand_set_address(u32 u4ColAddr, u32 u4RowAddr, u16 u2ColNOB, u16 u2RowNOB) ++{ ++ mb(); ++ DRV_WriteReg32(NFI_COLADDR_REG32, u4ColAddr); ++ DRV_WriteReg32(NFI_ROWADDR_REG32, u4RowAddr); ++ DRV_WriteReg16(NFI_ADDRNOB_REG16, u2ColNOB | (u2RowNOB << ADDR_ROW_NOB_SHIFT)); ++ return mtk_nand_status_ready(STA_ADDR_STATE); ++} ++ ++static bool ++mtk_nand_check_RW_count(u16 u2WriteSize) ++{ ++ u32 timeout = 0xFFFF; ++ u16 u2SecNum = u2WriteSize >> 9; ++ ++ while (ADDRCNTR_CNTR(DRV_Reg16(NFI_ADDRCNTR_REG16)) < u2SecNum) { ++ timeout--; ++ if (0 == timeout) { ++ printk(KERN_INFO "[%s] timeout\n", __FUNCTION__); ++ return false; ++ } ++ } ++ return true; ++} ++ ++static bool ++mtk_nand_ready_for_read(struct nand_chip *nand, u32 u4RowAddr, u32 u4ColAddr, bool full, u8 * buf) ++{ ++ /* Reset NFI HW internal state machine and flush NFI in/out FIFO */ ++ bool bRet = false; ++ u16 sec_num = 1 << (nand->page_shift - 9); ++ u32 col_addr = u4ColAddr; ++ u32 colnob = 2, rownob = devinfo.addr_cycle - 2; ++ if (nand->options & NAND_BUSWIDTH_16) ++ col_addr /= 2; ++ ++ if (!mtk_nand_reset()) ++ goto cleanup; ++ if (g_bHwEcc) { ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ } else { ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ } ++ ++ mtk_nand_set_mode(CNFG_OP_READ); ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_READ_EN); ++ DRV_WriteReg16(NFI_CON_REG16, sec_num << CON_NFI_SEC_SHIFT); ++ ++ if (full) { ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ ++ if (g_bHwEcc) ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ else ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ } else { ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ } ++ ++ mtk_nand_set_autoformat(full); ++ if (full) ++ if (g_bHwEcc) ++ ECC_Decode_Start(); ++ if (!mtk_nand_set_command(NAND_CMD_READ0)) ++ goto cleanup; ++ if (!mtk_nand_set_address(col_addr, u4RowAddr, colnob, rownob)) ++ goto cleanup; ++ if (!mtk_nand_set_command(NAND_CMD_READSTART)) ++ goto cleanup; ++ if (!mtk_nand_status_ready(STA_NAND_BUSY)) ++ goto cleanup; ++ ++ bRet = true; ++ ++cleanup: ++ return bRet; ++} ++ ++static bool ++mtk_nand_ready_for_write(struct nand_chip *nand, u32 u4RowAddr, u32 col_addr, bool full, u8 * buf) ++{ ++ bool bRet = false; ++ u32 sec_num = 1 << (nand->page_shift - 9); ++ u32 colnob = 2, rownob = devinfo.addr_cycle - 2; ++ if (nand->options & NAND_BUSWIDTH_16) ++ col_addr /= 2; ++ ++ /* Reset NFI HW internal state machine and flush NFI in/out FIFO */ ++ if (!mtk_nand_reset()) ++ return false; ++ ++ mtk_nand_set_mode(CNFG_OP_PRGM); ++ ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_READ_EN); ++ ++ DRV_WriteReg16(NFI_CON_REG16, sec_num << CON_NFI_SEC_SHIFT); ++ ++ if (full) { ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ if (g_bHwEcc) ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ else ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ } else { ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ } ++ ++ mtk_nand_set_autoformat(full); ++ ++ if (full) ++ if (g_bHwEcc) ++ ECC_Encode_Start(); ++ ++ if (!mtk_nand_set_command(NAND_CMD_SEQIN)) ++ goto cleanup; ++ //1 FIXED ME: For Any Kind of AddrCycle ++ if (!mtk_nand_set_address(col_addr, u4RowAddr, colnob, rownob)) ++ goto cleanup; ++ ++ if (!mtk_nand_status_ready(STA_NAND_BUSY)) ++ goto cleanup; ++ ++ bRet = true; ++ ++cleanup: ++ return bRet; ++} ++ ++static bool ++mtk_nand_check_dececc_done(u32 u4SecNum) ++{ ++ u32 timeout, dec_mask; ++ ++ timeout = 0xffff; ++ dec_mask = (1 << u4SecNum) - 1; ++ while ((dec_mask != DRV_Reg(ECC_DECDONE_REG16)) && timeout > 0) ++ timeout--; ++ if (timeout == 0) { ++ MSG(VERIFY, "ECC_DECDONE: timeout\n"); ++ return false; ++ } ++ return true; ++} ++ ++static bool ++mtk_nand_mcu_read_data(u8 * buf, u32 length) ++{ ++ int timeout = 0xffff; ++ u32 i; ++ u32 *buf32 = (u32 *) buf; ++ if ((u32) buf % 4 || length % 4) ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_BYTE_RW); ++ else ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_BYTE_RW); ++ ++ //DRV_WriteReg32(NFI_STRADDR_REG32, 0); ++ mb(); ++ NFI_SET_REG16(NFI_CON_REG16, CON_NFI_BRD); ++ ++ if ((u32) buf % 4 || length % 4) { ++ for (i = 0; (i < (length)) && (timeout > 0);) { ++ if (DRV_Reg16(NFI_PIO_DIRDY_REG16) & 1) { ++ *buf++ = (u8) DRV_Reg32(NFI_DATAR_REG32); ++ i++; ++ } else { ++ timeout--; ++ } ++ if (0 == timeout) { ++ printk(KERN_ERR "[%s] timeout\n", __FUNCTION__); ++ dump_nfi(); ++ return false; ++ } ++ } ++ } else { ++ for (i = 0; (i < (length >> 2)) && (timeout > 0);) { ++ if (DRV_Reg16(NFI_PIO_DIRDY_REG16) & 1) { ++ *buf32++ = DRV_Reg32(NFI_DATAR_REG32); ++ i++; ++ } else { ++ timeout--; ++ } ++ if (0 == timeout) { ++ printk(KERN_ERR "[%s] timeout\n", __FUNCTION__); ++ dump_nfi(); ++ return false; ++ } ++ } ++ } ++ return true; ++} ++ ++static bool ++mtk_nand_read_page_data(struct mtd_info *mtd, u8 * pDataBuf, u32 u4Size) ++{ ++ return mtk_nand_mcu_read_data(pDataBuf, u4Size); ++} ++ ++static bool ++mtk_nand_mcu_write_data(struct mtd_info *mtd, const u8 * buf, u32 length) ++{ ++ u32 timeout = 0xFFFF; ++ u32 i; ++ u32 *pBuf32; ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_BYTE_RW); ++ mb(); ++ NFI_SET_REG16(NFI_CON_REG16, CON_NFI_BWR); ++ pBuf32 = (u32 *) buf; ++ ++ if ((u32) buf % 4 || length % 4) ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_BYTE_RW); ++ else ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_BYTE_RW); ++ ++ if ((u32) buf % 4 || length % 4) { ++ for (i = 0; (i < (length)) && (timeout > 0);) { ++ if (DRV_Reg16(NFI_PIO_DIRDY_REG16) & 1) { ++ DRV_WriteReg32(NFI_DATAW_REG32, *buf++); ++ i++; ++ } else { ++ timeout--; ++ } ++ if (0 == timeout) { ++ printk(KERN_ERR "[%s] timeout\n", __FUNCTION__); ++ dump_nfi(); ++ return false; ++ } ++ } ++ } else { ++ for (i = 0; (i < (length >> 2)) && (timeout > 0);) { ++ if (DRV_Reg16(NFI_PIO_DIRDY_REG16) & 1) { ++ DRV_WriteReg32(NFI_DATAW_REG32, *pBuf32++); ++ i++; ++ } else { ++ timeout--; ++ } ++ if (0 == timeout) { ++ printk(KERN_ERR "[%s] timeout\n", __FUNCTION__); ++ dump_nfi(); ++ return false; ++ } ++ } ++ } ++ ++ return true; ++} ++ ++static bool ++mtk_nand_write_page_data(struct mtd_info *mtd, u8 * buf, u32 size) ++{ ++ return mtk_nand_mcu_write_data(mtd, buf, size); ++} ++ ++static void ++mtk_nand_read_fdm_data(u8 * pDataBuf, u32 u4SecNum) ++{ ++ u32 i; ++ u32 *pBuf32 = (u32 *) pDataBuf; ++ ++ if (pBuf32) { ++ for (i = 0; i < u4SecNum; ++i) { ++ *pBuf32++ = DRV_Reg32(NFI_FDM0L_REG32 + (i << 1)); ++ *pBuf32++ = DRV_Reg32(NFI_FDM0M_REG32 + (i << 1)); ++ } ++ } ++} ++ ++static u8 fdm_buf[64]; ++static void ++mtk_nand_write_fdm_data(struct nand_chip *chip, u8 * pDataBuf, u32 u4SecNum) ++{ ++ u32 i, j; ++ u8 checksum = 0; ++ bool empty = true; ++ struct nand_oobfree *free_entry; ++ u32 *pBuf32; ++ ++ memcpy(fdm_buf, pDataBuf, u4SecNum * 8); ++ ++ free_entry = chip->ecc.layout->oobfree; ++ for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES && free_entry[i].length; i++) { ++ for (j = 0; j < free_entry[i].length; j++) { ++ if (pDataBuf[free_entry[i].offset + j] != 0xFF) ++ empty = false; ++ checksum ^= pDataBuf[free_entry[i].offset + j]; ++ } ++ } ++ ++ if (!empty) { ++ fdm_buf[free_entry[i - 1].offset + free_entry[i - 1].length] = checksum; ++ } ++ ++ pBuf32 = (u32 *) fdm_buf; ++ for (i = 0; i < u4SecNum; ++i) { ++ DRV_WriteReg32(NFI_FDM0L_REG32 + (i << 1), *pBuf32++); ++ DRV_WriteReg32(NFI_FDM0M_REG32 + (i << 1), *pBuf32++); ++ } ++} ++ ++static void ++mtk_nand_stop_read(void) ++{ ++ NFI_CLN_REG16(NFI_CON_REG16, CON_NFI_BRD); ++ mtk_nand_reset(); ++ if (g_bHwEcc) ++ ECC_Decode_End(); ++ DRV_WriteReg16(NFI_INTR_EN_REG16, 0); ++} ++ ++static void ++mtk_nand_stop_write(void) ++{ ++ NFI_CLN_REG16(NFI_CON_REG16, CON_NFI_BWR); ++ if (g_bHwEcc) ++ ECC_Encode_End(); ++ DRV_WriteReg16(NFI_INTR_EN_REG16, 0); ++} ++ ++bool ++mtk_nand_exec_read_page(struct mtd_info *mtd, u32 u4RowAddr, u32 u4PageSize, u8 * pPageBuf, u8 * pFDMBuf) ++{ ++ u8 *buf; ++ bool bRet = true; ++ struct nand_chip *nand = mtd->priv; ++ u32 u4SecNum = u4PageSize >> 9; ++ ++ if (((u32) pPageBuf % 16) && local_buffer_16_align) ++ buf = local_buffer_16_align; ++ else ++ buf = pPageBuf; ++ if (mtk_nand_ready_for_read(nand, u4RowAddr, 0, true, buf)) { ++ int j; ++ for (j = 0 ; j < u4SecNum; j++) { ++ if (!mtk_nand_read_page_data(mtd, buf+j*512, 512)) ++ bRet = false; ++ if(g_bHwEcc && !mtk_nand_check_dececc_done(j+1)) ++ bRet = false; ++ if(g_bHwEcc && !mtk_nand_check_bch_error(mtd, buf+j*512, j, u4RowAddr)) ++ bRet = false; ++ } ++ if (!mtk_nand_status_ready(STA_NAND_BUSY)) ++ bRet = false; ++ ++ mtk_nand_read_fdm_data(pFDMBuf, u4SecNum); ++ mtk_nand_stop_read(); ++ } ++ ++ if (buf == local_buffer_16_align) ++ memcpy(pPageBuf, buf, u4PageSize); ++ ++ return bRet; ++} ++ ++int ++mtk_nand_exec_write_page(struct mtd_info *mtd, u32 u4RowAddr, u32 u4PageSize, u8 * pPageBuf, u8 * pFDMBuf) ++{ ++ struct nand_chip *chip = mtd->priv; ++ u32 u4SecNum = u4PageSize >> 9; ++ u8 *buf; ++ u8 status; ++ ++ MSG(WRITE, "mtk_nand_exec_write_page, page: 0x%x\n", u4RowAddr); ++ ++ if (((u32) pPageBuf % 16) && local_buffer_16_align) { ++ printk(KERN_INFO "Data buffer not 16 bytes aligned: %p\n", pPageBuf); ++ memcpy(local_buffer_16_align, pPageBuf, mtd->writesize); ++ buf = local_buffer_16_align; ++ } else ++ buf = pPageBuf; ++ ++ if (mtk_nand_ready_for_write(chip, u4RowAddr, 0, true, buf)) { ++ mtk_nand_write_fdm_data(chip, pFDMBuf, u4SecNum); ++ (void)mtk_nand_write_page_data(mtd, buf, u4PageSize); ++ (void)mtk_nand_check_RW_count(u4PageSize); ++ mtk_nand_stop_write(); ++ (void)mtk_nand_set_command(NAND_CMD_PAGEPROG); ++ while (DRV_Reg32(NFI_STA_REG32) & STA_NAND_BUSY) ; ++ } ++ ++ status = chip->waitfunc(mtd, chip); ++ if (status & NAND_STATUS_FAIL) ++ return -EIO; ++ return 0; ++} ++ ++static int ++get_start_end_block(struct mtd_info *mtd, int block, int *start_blk, int *end_blk) ++{ ++ struct nand_chip *chip = mtd->priv; ++ int i; ++ ++ *start_blk = 0; ++ for (i = 0; i <= part_num; i++) ++ { ++ if (i == part_num) ++ { ++ // try the last reset partition ++ *end_blk = (chip->chipsize >> chip->phys_erase_shift) - 1; ++ if (*start_blk <= *end_blk) ++ { ++ if ((block >= *start_blk) && (block <= *end_blk)) ++ break; ++ } ++ } ++ // skip All partition entry ++ else if (g_pasStatic_Partition[i].size == MTDPART_SIZ_FULL) ++ { ++ continue; ++ } ++ *end_blk = *start_blk + (g_pasStatic_Partition[i].size >> chip->phys_erase_shift) - 1; ++ if ((block >= *start_blk) && (block <= *end_blk)) ++ break; ++ *start_blk = *end_blk + 1; ++ } ++ if (*start_blk > *end_blk) ++ { ++ return -1; ++ } ++ return 0; ++} ++ ++static int ++block_remap(struct mtd_info *mtd, int block) ++{ ++ struct nand_chip *chip = mtd->priv; ++ int start_blk, end_blk; ++ int j, block_offset; ++ int bad_block = 0; ++ ++ if (chip->bbt == NULL) { ++ printk("ERROR!! no bbt table for block_remap\n"); ++ return -1; ++ } ++ ++ if (get_start_end_block(mtd, block, &start_blk, &end_blk) < 0) { ++ printk("ERROR!! can not find start_blk and end_blk\n"); ++ return -1; ++ } ++ ++ block_offset = block - start_blk; ++ for (j = start_blk; j <= end_blk;j++) { ++ if (((chip->bbt[j >> 2] >> ((j<<1) & 0x6)) & 0x3) == 0x0) { ++ if (!block_offset) ++ break; ++ block_offset--; ++ } else { ++ bad_block++; ++ } ++ } ++ if (j <= end_blk) { ++ return j; ++ } else { ++ // remap to the bad block ++ for (j = end_blk; bad_block > 0; j--) ++ { ++ if (((chip->bbt[j >> 2] >> ((j<<1) & 0x6)) & 0x3) != 0x0) ++ { ++ bad_block--; ++ if (bad_block <= block_offset) ++ return j; ++ } ++ } ++ } ++ ++ printk("Error!! block_remap error\n"); ++ return -1; ++} ++ ++int ++check_block_remap(struct mtd_info *mtd, int block) ++{ ++ if (shift_on_bbt) ++ return block_remap(mtd, block); ++ else ++ return block; ++} ++EXPORT_SYMBOL(check_block_remap); ++ ++ ++static int ++write_next_on_fail(struct mtd_info *mtd, char *write_buf, int page, int * to_blk) ++{ ++ struct nand_chip *chip = mtd->priv; ++ int i, j, to_page = 0, first_page; ++ char *buf, *oob; ++ int start_blk = 0, end_blk; ++ int mapped_block; ++ int page_per_block_bit = chip->phys_erase_shift - chip->page_shift; ++ int block = page >> page_per_block_bit; ++ ++ // find next available block in the same MTD partition ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ ++ get_start_end_block(mtd, block, &start_blk, &end_blk); ++ ++ buf = kzalloc(mtd->writesize + mtd->oobsize, GFP_KERNEL | GFP_DMA); ++ if (buf == NULL) ++ return -1; ++ ++ oob = buf + mtd->writesize; ++ for ((*to_blk) = block + 1; (*to_blk) <= end_blk ; (*to_blk)++) { ++ if (nand_bbt_get(mtd, (*to_blk) << page_per_block_bit) == 0) { ++ int status; ++ status = mtk_nand_erase_hw(mtd, (*to_blk) << page_per_block_bit); ++ if (status & NAND_STATUS_FAIL) { ++ mtk_nand_block_markbad_hw(mtd, (*to_blk) << chip->phys_erase_shift); ++ nand_bbt_set(mtd, (*to_blk) << page_per_block_bit, 0x3); ++ } else { ++ /* good block */ ++ to_page = (*to_blk) << page_per_block_bit; ++ break; ++ } ++ } ++ } ++ ++ if (!to_page) { ++ kfree(buf); ++ return -1; ++ } ++ ++ first_page = (page >> page_per_block_bit) << page_per_block_bit; ++ for (i = 0; i < (1 << page_per_block_bit); i++) { ++ if ((first_page + i) != page) { ++ mtk_nand_read_oob_hw(mtd, chip, (first_page+i)); ++ for (j = 0; j < mtd->oobsize; j++) ++ if (chip->oob_poi[j] != (unsigned char)0xff) ++ break; ++ if (j < mtd->oobsize) { ++ mtk_nand_exec_read_page(mtd, (first_page+i), mtd->writesize, buf, oob); ++ memset(oob, 0xff, mtd->oobsize); ++ if (mtk_nand_exec_write_page(mtd, to_page + i, mtd->writesize, (u8 *)buf, oob) != 0) { ++ int ret, new_blk = 0; ++ nand_bbt_set(mtd, to_page, 0x3); ++ ret = write_next_on_fail(mtd, buf, to_page + i, &new_blk); ++ if (ret) { ++ kfree(buf); ++ mtk_nand_block_markbad_hw(mtd, to_page << chip->page_shift); ++ return ret; ++ } ++ mtk_nand_block_markbad_hw(mtd, to_page << chip->page_shift); ++ *to_blk = new_blk; ++ to_page = ((*to_blk) << page_per_block_bit); ++ } ++ } ++ } else { ++ memset(chip->oob_poi, 0xff, mtd->oobsize); ++ if (mtk_nand_exec_write_page(mtd, to_page + i, mtd->writesize, (u8 *)write_buf, chip->oob_poi) != 0) { ++ int ret, new_blk = 0; ++ nand_bbt_set(mtd, to_page, 0x3); ++ ret = write_next_on_fail(mtd, write_buf, to_page + i, &new_blk); ++ if (ret) { ++ kfree(buf); ++ mtk_nand_block_markbad_hw(mtd, to_page << chip->page_shift); ++ return ret; ++ } ++ mtk_nand_block_markbad_hw(mtd, to_page << chip->page_shift); ++ *to_blk = new_blk; ++ to_page = ((*to_blk) << page_per_block_bit); ++ } ++ } ++ } ++ ++ kfree(buf); ++ ++ return 0; ++} ++ ++static int ++mtk_nand_write_page(struct mtd_info *mtd, struct nand_chip *chip, uint32_t offset, ++ int data_len, const u8 * buf, int oob_required, int page, int cached, int raw) ++{ ++ int page_per_block = 1 << (chip->phys_erase_shift - chip->page_shift); ++ int block = page / page_per_block; ++ u16 page_in_block = page % page_per_block; ++ int mapped_block = block; ++ ++#if defined(MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++ // write bad index into oob ++ if (mapped_block != block) ++ set_bad_index_to_oob(chip->oob_poi, block); ++ else ++ set_bad_index_to_oob(chip->oob_poi, FAKE_INDEX); ++#else ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ if (nand_bbt_get(mtd, mapped_block << (chip->phys_erase_shift - chip->page_shift)) != 0x0) ++ return NAND_STATUS_FAIL; ++ } ++#endif ++ do { ++ if (mtk_nand_exec_write_page(mtd, page_in_block + mapped_block * page_per_block, mtd->writesize, (u8 *)buf, chip->oob_poi)) { ++ MSG(INIT, "write fail at block: 0x%x, page: 0x%x\n", mapped_block, page_in_block); ++#if defined(MTK_NAND_BMT) ++ if (update_bmt((page_in_block + mapped_block * page_per_block) << chip->page_shift, UPDATE_WRITE_FAIL, (u8 *) buf, chip->oob_poi)) { ++ MSG(INIT, "Update BMT success\n"); ++ return 0; ++ } else { ++ MSG(INIT, "Update BMT fail\n"); ++ return -EIO; ++ } ++#else ++ { ++ int new_blk; ++ nand_bbt_set(mtd, page_in_block + mapped_block * page_per_block, 0x3); ++ if (write_next_on_fail(mtd, (char *)buf, page_in_block + mapped_block * page_per_block, &new_blk) != 0) ++ { ++ mtk_nand_block_markbad_hw(mtd, (page_in_block + mapped_block * page_per_block) << chip->page_shift); ++ return NAND_STATUS_FAIL; ++ } ++ mtk_nand_block_markbad_hw(mtd, (page_in_block + mapped_block * page_per_block) << chip->page_shift); ++ break; ++ } ++#endif ++ } else ++ break; ++ } while(1); ++ ++ return 0; ++} ++ ++static void ++mtk_nand_command_bp(struct mtd_info *mtd, unsigned int command, int column, int page_addr) ++{ ++ struct nand_chip *nand = mtd->priv; ++ ++ switch (command) { ++ case NAND_CMD_SEQIN: ++ memset(g_kCMD.au1OOB, 0xFF, sizeof(g_kCMD.au1OOB)); ++ g_kCMD.pDataBuf = NULL; ++ g_kCMD.u4RowAddr = page_addr; ++ g_kCMD.u4ColAddr = column; ++ break; ++ ++ case NAND_CMD_PAGEPROG: ++ if (g_kCMD.pDataBuf || (0xFF != g_kCMD.au1OOB[nand_badblock_offset])) { ++ u8 *pDataBuf = g_kCMD.pDataBuf ? g_kCMD.pDataBuf : nand->buffers->databuf; ++ mtk_nand_exec_write_page(mtd, g_kCMD.u4RowAddr, mtd->writesize, pDataBuf, g_kCMD.au1OOB); ++ g_kCMD.u4RowAddr = (u32) - 1; ++ g_kCMD.u4OOBRowAddr = (u32) - 1; ++ } ++ break; ++ ++ case NAND_CMD_READOOB: ++ g_kCMD.u4RowAddr = page_addr; ++ g_kCMD.u4ColAddr = column + mtd->writesize; ++ break; ++ ++ case NAND_CMD_READ0: ++ g_kCMD.u4RowAddr = page_addr; ++ g_kCMD.u4ColAddr = column; ++ break; ++ ++ case NAND_CMD_ERASE1: ++ nand->state=FL_ERASING; ++ (void)mtk_nand_reset(); ++ mtk_nand_set_mode(CNFG_OP_ERASE); ++ (void)mtk_nand_set_command(NAND_CMD_ERASE1); ++ (void)mtk_nand_set_address(0, page_addr, 0, devinfo.addr_cycle - 2); ++ break; ++ ++ case NAND_CMD_ERASE2: ++ (void)mtk_nand_set_command(NAND_CMD_ERASE2); ++ while (DRV_Reg32(NFI_STA_REG32) & STA_NAND_BUSY) ++ ; ++ break; ++ ++ case NAND_CMD_STATUS: ++ (void)mtk_nand_reset(); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_BYTE_RW); ++ mtk_nand_set_mode(CNFG_OP_SRD); ++ mtk_nand_set_mode(CNFG_READ_EN); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ (void)mtk_nand_set_command(NAND_CMD_STATUS); ++ NFI_CLN_REG16(NFI_CON_REG16, CON_NFI_NOB_MASK); ++ mb(); ++ DRV_WriteReg16(NFI_CON_REG16, CON_NFI_SRD | (1 << CON_NFI_NOB_SHIFT)); ++ g_bcmdstatus = true; ++ break; ++ ++ case NAND_CMD_RESET: ++ (void)mtk_nand_reset(); ++ DRV_WriteReg16(NFI_INTR_EN_REG16, INTR_RST_DONE_EN); ++ (void)mtk_nand_set_command(NAND_CMD_RESET); ++ DRV_WriteReg16(NFI_BASE+0x44, 0xF1); ++ while(!(DRV_Reg16(NFI_INTR_REG16)&INTR_RST_DONE_EN)) ++ ; ++ break; ++ ++ case NAND_CMD_READID: ++ mtk_nand_reset(); ++ /* Disable HW ECC */ ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_READ_EN | CNFG_BYTE_RW); ++ (void)mtk_nand_reset(); ++ mb(); ++ mtk_nand_set_mode(CNFG_OP_SRD); ++ (void)mtk_nand_set_command(NAND_CMD_READID); ++ (void)mtk_nand_set_address(0, 0, 1, 0); ++ DRV_WriteReg16(NFI_CON_REG16, CON_NFI_SRD); ++ while (DRV_Reg32(NFI_STA_REG32) & STA_DATAR_STATE) ++ ; ++ break; ++ ++ default: ++ BUG(); ++ break; ++ } ++} ++ ++static void ++mtk_nand_select_chip(struct mtd_info *mtd, int chip) ++{ ++ if ((chip == -1) && (false == g_bInitDone)) { ++ struct nand_chip *nand = mtd->priv; ++ struct mtk_nand_host *host = nand->priv; ++ struct mtk_nand_host_hw *hw = host->hw; ++ u32 spare_per_sector = mtd->oobsize / (mtd->writesize / 512); ++ u32 ecc_bit = 4; ++ u32 spare_bit = PAGEFMT_SPARE_16; ++ ++ if (spare_per_sector >= 28) { ++ spare_bit = PAGEFMT_SPARE_28; ++ ecc_bit = 12; ++ spare_per_sector = 28; ++ } else if (spare_per_sector >= 27) { ++ spare_bit = PAGEFMT_SPARE_27; ++ ecc_bit = 8; ++ spare_per_sector = 27; ++ } else if (spare_per_sector >= 26) { ++ spare_bit = PAGEFMT_SPARE_26; ++ ecc_bit = 8; ++ spare_per_sector = 26; ++ } else if (spare_per_sector >= 16) { ++ spare_bit = PAGEFMT_SPARE_16; ++ ecc_bit = 4; ++ spare_per_sector = 16; ++ } else { ++ MSG(INIT, "[NAND]: NFI not support oobsize: %x\n", spare_per_sector); ++ ASSERT(0); ++ } ++ mtd->oobsize = spare_per_sector*(mtd->writesize/512); ++ MSG(INIT, "[NAND]select ecc bit:%d, sparesize :%d spare_per_sector=%d\n",ecc_bit,mtd->oobsize,spare_per_sector); ++ /* Setup PageFormat */ ++ if (4096 == mtd->writesize) { ++ NFI_SET_REG16(NFI_PAGEFMT_REG16, (spare_bit << PAGEFMT_SPARE_SHIFT) | PAGEFMT_4K); ++ nand->cmdfunc = mtk_nand_command_bp; ++ } else if (2048 == mtd->writesize) { ++ NFI_SET_REG16(NFI_PAGEFMT_REG16, (spare_bit << PAGEFMT_SPARE_SHIFT) | PAGEFMT_2K); ++ nand->cmdfunc = mtk_nand_command_bp; ++ } ++ ECC_Config(hw,ecc_bit); ++ g_bInitDone = true; ++ } ++ switch (chip) { ++ case -1: ++ break; ++ case 0: ++ case 1: ++ /* Jun Shen, 2011.04.13 */ ++ /* Note: MT6577 EVB NAND is mounted on CS0, but FPGA is CS1 */ ++ DRV_WriteReg16(NFI_CSEL_REG16, chip); ++ /* Jun Shen, 2011.04.13 */ ++ break; ++ } ++} ++ ++static uint8_t ++mtk_nand_read_byte(struct mtd_info *mtd) ++{ ++ uint8_t retval = 0; ++ ++ if (!mtk_nand_pio_ready()) { ++ printk("pio ready timeout\n"); ++ retval = false; ++ } ++ ++ if (g_bcmdstatus) { ++ retval = DRV_Reg8(NFI_DATAR_REG32); ++ NFI_CLN_REG16(NFI_CON_REG16, CON_NFI_NOB_MASK); ++ mtk_nand_reset(); ++ if (g_bHwEcc) { ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ } else { ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ } ++ g_bcmdstatus = false; ++ } else ++ retval = DRV_Reg8(NFI_DATAR_REG32); ++ ++ return retval; ++} ++ ++static void ++mtk_nand_read_buf(struct mtd_info *mtd, uint8_t * buf, int len) ++{ ++ struct nand_chip *nand = (struct nand_chip *)mtd->priv; ++ struct NAND_CMD *pkCMD = &g_kCMD; ++ u32 u4ColAddr = pkCMD->u4ColAddr; ++ u32 u4PageSize = mtd->writesize; ++ ++ if (u4ColAddr < u4PageSize) { ++ if ((u4ColAddr == 0) && (len >= u4PageSize)) { ++ mtk_nand_exec_read_page(mtd, pkCMD->u4RowAddr, u4PageSize, buf, pkCMD->au1OOB); ++ if (len > u4PageSize) { ++ u32 u4Size = min(len - u4PageSize, sizeof(pkCMD->au1OOB)); ++ memcpy(buf + u4PageSize, pkCMD->au1OOB, u4Size); ++ } ++ } else { ++ mtk_nand_exec_read_page(mtd, pkCMD->u4RowAddr, u4PageSize, nand->buffers->databuf, pkCMD->au1OOB); ++ memcpy(buf, nand->buffers->databuf + u4ColAddr, len); ++ } ++ pkCMD->u4OOBRowAddr = pkCMD->u4RowAddr; ++ } else { ++ u32 u4Offset = u4ColAddr - u4PageSize; ++ u32 u4Size = min(len - u4Offset, sizeof(pkCMD->au1OOB)); ++ if (pkCMD->u4OOBRowAddr != pkCMD->u4RowAddr) { ++ mtk_nand_exec_read_page(mtd, pkCMD->u4RowAddr, u4PageSize, nand->buffers->databuf, pkCMD->au1OOB); ++ pkCMD->u4OOBRowAddr = pkCMD->u4RowAddr; ++ } ++ memcpy(buf, pkCMD->au1OOB + u4Offset, u4Size); ++ } ++ pkCMD->u4ColAddr += len; ++} ++ ++static void ++mtk_nand_write_buf(struct mtd_info *mtd, const uint8_t * buf, int len) ++{ ++ struct NAND_CMD *pkCMD = &g_kCMD; ++ u32 u4ColAddr = pkCMD->u4ColAddr; ++ u32 u4PageSize = mtd->writesize; ++ int i4Size, i; ++ ++ if (u4ColAddr >= u4PageSize) { ++ u32 u4Offset = u4ColAddr - u4PageSize; ++ u8 *pOOB = pkCMD->au1OOB + u4Offset; ++ i4Size = min(len, (int)(sizeof(pkCMD->au1OOB) - u4Offset)); ++ for (i = 0; i < i4Size; i++) { ++ pOOB[i] &= buf[i]; ++ } ++ } else { ++ pkCMD->pDataBuf = (u8 *) buf; ++ } ++ ++ pkCMD->u4ColAddr += len; ++} ++ ++static int ++mtk_nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, const uint8_t * buf, int oob_required) ++{ ++ mtk_nand_write_buf(mtd, buf, mtd->writesize); ++ mtk_nand_write_buf(mtd, chip->oob_poi, mtd->oobsize); ++ return 0; ++} ++ ++static int ++mtk_nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t * buf, int oob_required, int page) ++{ ++ struct NAND_CMD *pkCMD = &g_kCMD; ++ u32 u4ColAddr = pkCMD->u4ColAddr; ++ u32 u4PageSize = mtd->writesize; ++ ++ if (u4ColAddr == 0) { ++ mtk_nand_exec_read_page(mtd, pkCMD->u4RowAddr, u4PageSize, buf, chip->oob_poi); ++ pkCMD->u4ColAddr += u4PageSize + mtd->oobsize; ++ } ++ ++ return 0; ++} ++ ++static int ++mtk_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip, u8 * buf, int page) ++{ ++ int page_per_block = 1 << (chip->phys_erase_shift - chip->page_shift); ++ int block = page / page_per_block; ++ u16 page_in_block = page % page_per_block; ++ int mapped_block = block; ++ ++#if defined (MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++ if (mtk_nand_exec_read_page(mtd, page_in_block + mapped_block * page_per_block, ++ mtd->writesize, buf, chip->oob_poi)) ++ return 0; ++#else ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ if (nand_bbt_get(mtd, mapped_block << (chip->phys_erase_shift - chip->page_shift)) != 0x0) ++ return NAND_STATUS_FAIL; ++ } ++ ++ if (mtk_nand_exec_read_page(mtd, page_in_block + mapped_block * page_per_block, mtd->writesize, buf, chip->oob_poi)) ++ return 0; ++ else ++ return -EIO; ++#endif ++} ++ ++int ++mtk_nand_erase_hw(struct mtd_info *mtd, int page) ++{ ++ struct nand_chip *chip = (struct nand_chip *)mtd->priv; ++ ++ chip->erase_cmd(mtd, page); ++ ++ return chip->waitfunc(mtd, chip); ++} ++ ++static int ++mtk_nand_erase(struct mtd_info *mtd, int page) ++{ ++ // get mapping ++ struct nand_chip *chip = mtd->priv; ++ int page_per_block = 1 << (chip->phys_erase_shift - chip->page_shift); ++ int page_in_block = page % page_per_block; ++ int block = page / page_per_block; ++ int mapped_block = block; ++ ++#if defined(MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++#else ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ if (nand_bbt_get(mtd, mapped_block << (chip->phys_erase_shift - chip->page_shift)) != 0x0) ++ return NAND_STATUS_FAIL; ++ } ++#endif ++ ++ do { ++ int status = mtk_nand_erase_hw(mtd, page_in_block + page_per_block * mapped_block); ++ ++ if (status & NAND_STATUS_FAIL) { ++#if defined (MTK_NAND_BMT) ++ if (update_bmt( (page_in_block + mapped_block * page_per_block) << chip->page_shift, ++ UPDATE_ERASE_FAIL, NULL, NULL)) ++ { ++ MSG(INIT, "Erase fail at block: 0x%x, update BMT success\n", mapped_block); ++ return 0; ++ } else { ++ MSG(INIT, "Erase fail at block: 0x%x, update BMT fail\n", mapped_block); ++ return NAND_STATUS_FAIL; ++ } ++#else ++ mtk_nand_block_markbad_hw(mtd, (page_in_block + mapped_block * page_per_block) << chip->page_shift); ++ nand_bbt_set(mtd, page_in_block + mapped_block * page_per_block, 0x3); ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ if (nand_bbt_get(mtd, mapped_block << (chip->phys_erase_shift - chip->page_shift)) != 0x0) ++ return NAND_STATUS_FAIL; ++ } else ++ return NAND_STATUS_FAIL; ++#endif ++ } else ++ break; ++ } while(1); ++ ++ return 0; ++} ++ ++static int ++mtk_nand_read_oob_raw(struct mtd_info *mtd, uint8_t * buf, int page_addr, int len) ++{ ++ struct nand_chip *chip = (struct nand_chip *)mtd->priv; ++ u32 col_addr = 0; ++ u32 sector = 0; ++ int res = 0; ++ u32 colnob = 2, rawnob = devinfo.addr_cycle - 2; ++ int randomread = 0; ++ int read_len = 0; ++ int sec_num = 1<<(chip->page_shift-9); ++ int spare_per_sector = mtd->oobsize/sec_num; ++ ++ if (len > NAND_MAX_OOBSIZE || len % OOB_AVAI_PER_SECTOR || !buf) { ++ printk(KERN_WARNING "[%s] invalid parameter, len: %d, buf: %p\n", __FUNCTION__, len, buf); ++ return -EINVAL; ++ } ++ if (len > spare_per_sector) ++ randomread = 1; ++ if (!randomread || !(devinfo.advancedmode & RAMDOM_READ)) { ++ while (len > 0) { ++ read_len = min(len, spare_per_sector); ++ col_addr = NAND_SECTOR_SIZE + sector * (NAND_SECTOR_SIZE + spare_per_sector); // TODO: Fix this hard-code 16 ++ if (!mtk_nand_ready_for_read(chip, page_addr, col_addr, false, NULL)) { ++ printk(KERN_WARNING "mtk_nand_ready_for_read return failed\n"); ++ res = -EIO; ++ goto error; ++ } ++ if (!mtk_nand_mcu_read_data(buf + spare_per_sector * sector, read_len)) { ++ printk(KERN_WARNING "mtk_nand_mcu_read_data return failed\n"); ++ res = -EIO; ++ goto error; ++ } ++ mtk_nand_check_RW_count(read_len); ++ mtk_nand_stop_read(); ++ sector++; ++ len -= read_len; ++ } ++ } else { ++ col_addr = NAND_SECTOR_SIZE; ++ if (chip->options & NAND_BUSWIDTH_16) ++ col_addr /= 2; ++ if (!mtk_nand_reset()) ++ goto error; ++ mtk_nand_set_mode(0x6000); ++ NFI_SET_REG16(NFI_CNFG_REG16, CNFG_READ_EN); ++ DRV_WriteReg16(NFI_CON_REG16, 4 << CON_NFI_SEC_SHIFT); ++ ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_AHB); ++ NFI_CLN_REG16(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ ++ mtk_nand_set_autoformat(false); ++ ++ if (!mtk_nand_set_command(NAND_CMD_READ0)) ++ goto error; ++ //1 FIXED ME: For Any Kind of AddrCycle ++ if (!mtk_nand_set_address(col_addr, page_addr, colnob, rawnob)) ++ goto error; ++ if (!mtk_nand_set_command(NAND_CMD_READSTART)) ++ goto error; ++ if (!mtk_nand_status_ready(STA_NAND_BUSY)) ++ goto error; ++ read_len = min(len, spare_per_sector); ++ if (!mtk_nand_mcu_read_data(buf + spare_per_sector * sector, read_len)) { ++ printk(KERN_WARNING "mtk_nand_mcu_read_data return failed first 16\n"); ++ res = -EIO; ++ goto error; ++ } ++ sector++; ++ len -= read_len; ++ mtk_nand_stop_read(); ++ while (len > 0) { ++ read_len = min(len, spare_per_sector); ++ if (!mtk_nand_set_command(0x05)) ++ goto error; ++ col_addr = NAND_SECTOR_SIZE + sector * (NAND_SECTOR_SIZE + spare_per_sector); ++ if (chip->options & NAND_BUSWIDTH_16) ++ col_addr /= 2; ++ DRV_WriteReg32(NFI_COLADDR_REG32, col_addr); ++ DRV_WriteReg16(NFI_ADDRNOB_REG16, 2); ++ DRV_WriteReg16(NFI_CON_REG16, 4 << CON_NFI_SEC_SHIFT); ++ if (!mtk_nand_status_ready(STA_ADDR_STATE)) ++ goto error; ++ if (!mtk_nand_set_command(0xE0)) ++ goto error; ++ if (!mtk_nand_status_ready(STA_NAND_BUSY)) ++ goto error; ++ if (!mtk_nand_mcu_read_data(buf + spare_per_sector * sector, read_len)) { ++ printk(KERN_WARNING "mtk_nand_mcu_read_data return failed first 16\n"); ++ res = -EIO; ++ goto error; ++ } ++ mtk_nand_stop_read(); ++ sector++; ++ len -= read_len; ++ } ++ } ++error: ++ NFI_CLN_REG16(NFI_CON_REG16, CON_NFI_BRD); ++ return res; ++} ++ ++static int ++mtk_nand_write_oob_raw(struct mtd_info *mtd, const uint8_t * buf, int page_addr, int len) ++{ ++ struct nand_chip *chip = mtd->priv; ++ u32 col_addr = 0; ++ u32 sector = 0; ++ int write_len = 0; ++ int status; ++ int sec_num = 1<<(chip->page_shift-9); ++ int spare_per_sector = mtd->oobsize/sec_num; ++ ++ if (len > NAND_MAX_OOBSIZE || len % OOB_AVAI_PER_SECTOR || !buf) { ++ printk(KERN_WARNING "[%s] invalid parameter, len: %d, buf: %p\n", __FUNCTION__, len, buf); ++ return -EINVAL; ++ } ++ ++ while (len > 0) { ++ write_len = min(len, spare_per_sector); ++ col_addr = sector * (NAND_SECTOR_SIZE + spare_per_sector) + NAND_SECTOR_SIZE; ++ if (!mtk_nand_ready_for_write(chip, page_addr, col_addr, false, NULL)) ++ return -EIO; ++ if (!mtk_nand_mcu_write_data(mtd, buf + sector * spare_per_sector, write_len)) ++ return -EIO; ++ (void)mtk_nand_check_RW_count(write_len); ++ NFI_CLN_REG16(NFI_CON_REG16, CON_NFI_BWR); ++ (void)mtk_nand_set_command(NAND_CMD_PAGEPROG); ++ while (DRV_Reg32(NFI_STA_REG32) & STA_NAND_BUSY) ++ ; ++ status = chip->waitfunc(mtd, chip); ++ if (status & NAND_STATUS_FAIL) { ++ printk(KERN_INFO "status: %d\n", status); ++ return -EIO; ++ } ++ len -= write_len; ++ sector++; ++ } ++ ++ return 0; ++} ++ ++static int ++mtk_nand_write_oob_hw(struct mtd_info *mtd, struct nand_chip *chip, int page) ++{ ++ int i, iter; ++ int sec_num = 1<<(chip->page_shift-9); ++ int spare_per_sector = mtd->oobsize/sec_num; ++ ++ memcpy(local_oob_buf, chip->oob_poi, mtd->oobsize); ++ ++ // copy ecc data ++ for (i = 0; i < chip->ecc.layout->eccbytes; i++) { ++ iter = (i / (spare_per_sector-OOB_AVAI_PER_SECTOR)) * spare_per_sector + OOB_AVAI_PER_SECTOR + i % (spare_per_sector-OOB_AVAI_PER_SECTOR); ++ local_oob_buf[iter] = chip->oob_poi[chip->ecc.layout->eccpos[i]]; ++ } ++ ++ // copy FDM data ++ for (i = 0; i < sec_num; i++) ++ memcpy(&local_oob_buf[i * spare_per_sector], &chip->oob_poi[i * OOB_AVAI_PER_SECTOR], OOB_AVAI_PER_SECTOR); ++ ++ return mtk_nand_write_oob_raw(mtd, local_oob_buf, page, mtd->oobsize); ++} ++ ++static int mtk_nand_write_oob(struct mtd_info *mtd, struct nand_chip *chip, int page) ++{ ++ int page_per_block = 1 << (chip->phys_erase_shift - chip->page_shift); ++ int block = page / page_per_block; ++ u16 page_in_block = page % page_per_block; ++ int mapped_block = block; ++ ++#if defined(MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++ // write bad index into oob ++ if (mapped_block != block) ++ set_bad_index_to_oob(chip->oob_poi, block); ++ else ++ set_bad_index_to_oob(chip->oob_poi, FAKE_INDEX); ++#else ++ if (shift_on_bbt) ++ { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ if (nand_bbt_get(mtd, mapped_block << (chip->phys_erase_shift - chip->page_shift)) != 0x0) ++ return NAND_STATUS_FAIL; ++ } ++#endif ++ do { ++ if (mtk_nand_write_oob_hw(mtd, chip, page_in_block + mapped_block * page_per_block /* page */)) { ++ MSG(INIT, "write oob fail at block: 0x%x, page: 0x%x\n", mapped_block, page_in_block); ++#if defined(MTK_NAND_BMT) ++ if (update_bmt((page_in_block + mapped_block * page_per_block) << chip->page_shift, ++ UPDATE_WRITE_FAIL, NULL, chip->oob_poi)) ++ { ++ MSG(INIT, "Update BMT success\n"); ++ return 0; ++ } else { ++ MSG(INIT, "Update BMT fail\n"); ++ return -EIO; ++ } ++#else ++ mtk_nand_block_markbad_hw(mtd, (page_in_block + mapped_block * page_per_block) << chip->page_shift); ++ nand_bbt_set(mtd, page_in_block + mapped_block * page_per_block, 0x3); ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, mapped_block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ if (nand_bbt_get(mtd, mapped_block << (chip->phys_erase_shift - chip->page_shift)) != 0x0) ++ return NAND_STATUS_FAIL; ++ } else { ++ return NAND_STATUS_FAIL; ++ } ++#endif ++ } else ++ break; ++ } while (1); ++ ++ return 0; ++} ++ ++int ++mtk_nand_block_markbad_hw(struct mtd_info *mtd, loff_t offset) ++{ ++ struct nand_chip *chip = mtd->priv; ++ int block = (int)offset >> chip->phys_erase_shift; ++ int page = block * (1 << (chip->phys_erase_shift - chip->page_shift)); ++ u8 buf[8]; ++ ++ memset(buf, 0xFF, 8); ++ buf[0] = 0; ++ return mtk_nand_write_oob_raw(mtd, buf, page, 8); ++} ++ ++static int ++mtk_nand_block_markbad(struct mtd_info *mtd, loff_t offset) ++{ ++ struct nand_chip *chip = mtd->priv; ++ int block = (int)offset >> chip->phys_erase_shift; ++ int ret; ++ int mapped_block = block; ++ ++ nand_get_device(chip, mtd, FL_WRITING); ++ ++#if defined(MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++ ret = mtk_nand_block_markbad_hw(mtd, mapped_block << chip->phys_erase_shift); ++#else ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) { ++ printk("NAND mark bad failed\n"); ++ nand_release_device(mtd); ++ return NAND_STATUS_FAIL; ++ } ++ } ++ ret = mtk_nand_block_markbad_hw(mtd, mapped_block << chip->phys_erase_shift); ++#endif ++ nand_release_device(mtd); ++ ++ return ret; ++} ++ ++int ++mtk_nand_read_oob_hw(struct mtd_info *mtd, struct nand_chip *chip, int page) ++{ ++ int i; ++ u8 iter = 0; ++ ++ int sec_num = 1<<(chip->page_shift-9); ++ int spare_per_sector = mtd->oobsize/sec_num; ++ ++ if (mtk_nand_read_oob_raw(mtd, chip->oob_poi, page, mtd->oobsize)) { ++ printk(KERN_ERR "[%s]mtk_nand_read_oob_raw return failed\n", __FUNCTION__); ++ return -EIO; ++ } ++ ++ // adjust to ecc physical layout to memory layout ++ /*********************************************************/ ++ /* FDM0 | ECC0 | FDM1 | ECC1 | FDM2 | ECC2 | FDM3 | ECC3 */ ++ /* 8B | 8B | 8B | 8B | 8B | 8B | 8B | 8B */ ++ /*********************************************************/ ++ ++ memcpy(local_oob_buf, chip->oob_poi, mtd->oobsize); ++ // copy ecc data ++ for (i = 0; i < chip->ecc.layout->eccbytes; i++) { ++ iter = (i / (spare_per_sector-OOB_AVAI_PER_SECTOR)) * spare_per_sector + OOB_AVAI_PER_SECTOR + i % (spare_per_sector-OOB_AVAI_PER_SECTOR); ++ chip->oob_poi[chip->ecc.layout->eccpos[i]] = local_oob_buf[iter]; ++ } ++ ++ // copy FDM data ++ for (i = 0; i < sec_num; i++) { ++ memcpy(&chip->oob_poi[i * OOB_AVAI_PER_SECTOR], &local_oob_buf[i * spare_per_sector], OOB_AVAI_PER_SECTOR); ++ } ++ ++ return 0; ++} ++ ++static int ++mtk_nand_read_oob(struct mtd_info *mtd, struct nand_chip *chip, int page) ++{ ++ int page_per_block = 1 << (chip->phys_erase_shift - chip->page_shift); ++ int block = page / page_per_block; ++ u16 page_in_block = page % page_per_block; ++ int mapped_block = block; ++ ++#if defined (MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++ mtk_nand_read_oob_hw(mtd, chip, page_in_block + mapped_block * page_per_block); ++#else ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) ++ return NAND_STATUS_FAIL; ++ // allow to read oob even if the block is bad ++ } ++ if (mtk_nand_read_oob_hw(mtd, chip, page_in_block + mapped_block * page_per_block)!=0) ++ return -1; ++#endif ++ return 0; ++} ++ ++int ++mtk_nand_block_bad_hw(struct mtd_info *mtd, loff_t ofs) ++{ ++ struct nand_chip *chip = (struct nand_chip *)mtd->priv; ++ int page_addr = (int)(ofs >> chip->page_shift); ++ unsigned int page_per_block = 1 << (chip->phys_erase_shift - chip->page_shift); ++ unsigned char oob_buf[8]; ++ ++ page_addr &= ~(page_per_block - 1); ++ if (mtk_nand_read_oob_raw(mtd, oob_buf, page_addr, sizeof(oob_buf))) { ++ printk(KERN_WARNING "mtk_nand_read_oob_raw return error\n"); ++ return 1; ++ } ++ ++ if (oob_buf[0] != 0xff) { ++ printk(KERN_WARNING "Bad block detected at 0x%x, oob_buf[0] is 0x%x\n", page_addr, oob_buf[0]); ++ // dump_nfi(); ++ return 1; ++ } ++ ++ return 0; ++} ++ ++static int ++mtk_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) ++{ ++ int chipnr = 0; ++ struct nand_chip *chip = (struct nand_chip *)mtd->priv; ++ int block = (int)ofs >> chip->phys_erase_shift; ++ int mapped_block = block; ++ int ret; ++ ++ if (getchip) { ++ chipnr = (int)(ofs >> chip->chip_shift); ++ nand_get_device(chip, mtd, FL_READING); ++ /* Select the NAND device */ ++ chip->select_chip(mtd, chipnr); ++ } ++ ++#if defined(MTK_NAND_BMT) ++ mapped_block = get_mapping_block_index(block); ++#else ++ if (shift_on_bbt) { ++ mapped_block = block_remap(mtd, block); ++ if (mapped_block == -1) { ++ if (getchip) ++ nand_release_device(mtd); ++ return NAND_STATUS_FAIL; ++ } ++ } ++#endif ++ ++ ret = mtk_nand_block_bad_hw(mtd, mapped_block << chip->phys_erase_shift); ++#if defined (MTK_NAND_BMT) ++ if (ret) { ++ MSG(INIT, "Unmapped bad block: 0x%x\n", mapped_block); ++ if (update_bmt(mapped_block << chip->phys_erase_shift, UPDATE_UNMAPPED_BLOCK, NULL, NULL)) { ++ MSG(INIT, "Update BMT success\n"); ++ ret = 0; ++ } else { ++ MSG(INIT, "Update BMT fail\n"); ++ ret = 1; ++ } ++ } ++#endif ++ ++ if (getchip) ++ nand_release_device(mtd); ++ ++ return ret; ++} ++ ++#ifdef CONFIG_MTD_NAND_VERIFY_WRITE ++char gacBuf[4096 + 288]; ++ ++static int ++mtk_nand_verify_buf(struct mtd_info *mtd, const uint8_t * buf, int len) ++{ ++ struct nand_chip *chip = (struct nand_chip *)mtd->priv; ++ struct NAND_CMD *pkCMD = &g_kCMD; ++ u32 u4PageSize = mtd->writesize; ++ u32 *pSrc, *pDst; ++ int i; ++ ++ mtk_nand_exec_read_page(mtd, pkCMD->u4RowAddr, u4PageSize, gacBuf, gacBuf + u4PageSize); ++ ++ pSrc = (u32 *) buf; ++ pDst = (u32 *) gacBuf; ++ len = len / sizeof(u32); ++ for (i = 0; i < len; ++i) { ++ if (*pSrc != *pDst) { ++ MSG(VERIFY, "mtk_nand_verify_buf page fail at page %d\n", pkCMD->u4RowAddr); ++ return -1; ++ } ++ pSrc++; ++ pDst++; ++ } ++ ++ pSrc = (u32 *) chip->oob_poi; ++ pDst = (u32 *) (gacBuf + u4PageSize); ++ ++ if ((pSrc[0] != pDst[0]) || (pSrc[1] != pDst[1]) || (pSrc[2] != pDst[2]) || (pSrc[3] != pDst[3]) || (pSrc[4] != pDst[4]) || (pSrc[5] != pDst[5])) { ++ // TODO: Ask Designer Why? ++ //(pSrc[6] != pDst[6]) || (pSrc[7] != pDst[7])) ++ MSG(VERIFY, "mtk_nand_verify_buf oob fail at page %d\n", pkCMD->u4RowAddr); ++ MSG(VERIFY, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", pSrc[0], pSrc[1], pSrc[2], pSrc[3], pSrc[4], pSrc[5], pSrc[6], pSrc[7]); ++ MSG(VERIFY, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", pDst[0], pDst[1], pDst[2], pDst[3], pDst[4], pDst[5], pDst[6], pDst[7]); ++ return -1; ++ } ++ return 0; ++} ++#endif ++ ++static void ++mtk_nand_init_hw(struct mtk_nand_host *host) { ++ struct mtk_nand_host_hw *hw = host->hw; ++ u32 data; ++ ++ data = DRV_Reg32(RALINK_SYSCTL_BASE+0x60); ++ data &= ~((0x3<<18)|(0x3<<16)); ++ data |= ((0x2<<18) |(0x2<<16)); ++ DRV_WriteReg32(RALINK_SYSCTL_BASE+0x60, data); ++ ++ MSG(INIT, "Enable NFI Clock\n"); ++ nand_enable_clock(); ++ ++ g_bInitDone = false; ++ g_kCMD.u4OOBRowAddr = (u32) - 1; ++ ++ /* Set default NFI access timing control */ ++ DRV_WriteReg32(NFI_ACCCON_REG32, hw->nfi_access_timing); ++ DRV_WriteReg16(NFI_CNFG_REG16, 0); ++ DRV_WriteReg16(NFI_PAGEFMT_REG16, 0); ++ ++ /* Reset the state machine and data FIFO, because flushing FIFO */ ++ (void)mtk_nand_reset(); ++ ++ /* Set the ECC engine */ ++ if (hw->nand_ecc_mode == NAND_ECC_HW) { ++ MSG(INIT, "%s : Use HW ECC\n", MODULE_NAME); ++ if (g_bHwEcc) ++ NFI_SET_REG32(NFI_CNFG_REG16, CNFG_HW_ECC_EN); ++ ECC_Config(host->hw,4); ++ mtk_nand_configure_fdm(8); ++ mtk_nand_configure_lock(); ++ } ++ ++ NFI_SET_REG16(NFI_IOCON_REG16, 0x47); ++} ++ ++static int mtk_nand_dev_ready(struct mtd_info *mtd) ++{ ++ return !(DRV_Reg32(NFI_STA_REG32) & STA_NAND_BUSY); ++} ++ ++#define FACT_BBT_BLOCK_NUM 32 // use the latest 32 BLOCK for factory bbt table ++#define FACT_BBT_OOB_SIGNATURE 1 ++#define FACT_BBT_SIGNATURE_LEN 7 ++const u8 oob_signature[] = "mtknand"; ++static u8 *fact_bbt = 0; ++static u32 bbt_size = 0; ++ ++static int ++read_fact_bbt(struct mtd_info *mtd, unsigned int page) ++{ ++ struct nand_chip *chip = mtd->priv; ++ ++ // read oob ++ if (mtk_nand_read_oob_hw(mtd, chip, page)==0) ++ { ++ if (chip->oob_poi[nand_badblock_offset] != 0xFF) ++ { ++ printk("Bad Block on Page %x\n", page); ++ return -1; ++ } ++ if (memcmp(&chip->oob_poi[FACT_BBT_OOB_SIGNATURE], oob_signature, FACT_BBT_SIGNATURE_LEN) != 0) ++ { ++ printk("compare signature failed %x\n", page); ++ return -1; ++ } ++ if (mtk_nand_exec_read_page(mtd, page, mtd->writesize, chip->buffers->databuf, chip->oob_poi)) ++ { ++ printk("Signature matched and data read!\n"); ++ memcpy(fact_bbt, chip->buffers->databuf, (bbt_size <= mtd->writesize)? bbt_size:mtd->writesize); ++ return 0; ++ } ++ ++ } ++ printk("failed at page %x\n", page); ++ return -1; ++} ++ ++static int ++load_fact_bbt(struct mtd_info *mtd) ++{ ++ struct nand_chip *chip = mtd->priv; ++ int i; ++ u32 total_block; ++ ++ total_block = 1 << (chip->chip_shift - chip->phys_erase_shift); ++ bbt_size = total_block >> 2; ++ ++ if ((!fact_bbt) && (bbt_size)) ++ fact_bbt = (u8 *)kmalloc(bbt_size, GFP_KERNEL); ++ if (!fact_bbt) ++ return -1; ++ ++ for (i = total_block - 1; i >= (total_block - FACT_BBT_BLOCK_NUM); i--) ++ { ++ if (read_fact_bbt(mtd, i << (chip->phys_erase_shift - chip->page_shift)) == 0) ++ { ++ printk("load_fact_bbt success %d\n", i); ++ return 0; ++ } ++ ++ } ++ printk("load_fact_bbt failed\n"); ++ return -1; ++} ++ ++static int ++mtk_nand_probe(struct platform_device *pdev) ++{ ++ struct mtd_part_parser_data ppdata; ++ struct mtk_nand_host_hw *hw; ++ struct mtd_info *mtd; ++ struct nand_chip *nand_chip; ++ u8 ext_id1, ext_id2, ext_id3; ++ int err = 0; ++ int id; ++ u32 ext_id; ++ int i; ++ u32 data; ++ ++ data = DRV_Reg32(RALINK_SYSCTL_BASE+0x60); ++ data &= ~((0x3<<18)|(0x3<<16)); ++ data |= ((0x2<<18) |(0x2<<16)); ++ DRV_WriteReg32(RALINK_SYSCTL_BASE+0x60, data); ++ ++ hw = &mt7621_nand_hw, ++ BUG_ON(!hw); ++ /* Allocate memory for the device structure (and zero it) */ ++ host = kzalloc(sizeof(struct mtk_nand_host), GFP_KERNEL); ++ if (!host) { ++ MSG(INIT, "mtk_nand: failed to allocate device structure.\n"); ++ return -ENOMEM; ++ } ++ ++ /* Allocate memory for 16 byte aligned buffer */ ++ local_buffer_16_align = local_buffer + 16 - ((u32) local_buffer % 16); ++ printk(KERN_INFO "Allocate 16 byte aligned buffer: %p\n", local_buffer_16_align); ++ host->hw = hw; ++ ++ /* init mtd data structure */ ++ nand_chip = &host->nand_chip; ++ nand_chip->priv = host; /* link the private data structures */ ++ ++ mtd = &host->mtd; ++ mtd->priv = nand_chip; ++ mtd->owner = THIS_MODULE; ++ mtd->name = "MT7621-NAND"; ++ ++ hw->nand_ecc_mode = NAND_ECC_HW; ++ ++ /* Set address of NAND IO lines */ ++ nand_chip->IO_ADDR_R = (void __iomem *)NFI_DATAR_REG32; ++ nand_chip->IO_ADDR_W = (void __iomem *)NFI_DATAW_REG32; ++ nand_chip->chip_delay = 20; /* 20us command delay time */ ++ nand_chip->ecc.mode = hw->nand_ecc_mode; /* enable ECC */ ++ nand_chip->ecc.strength = 1; ++ nand_chip->read_byte = mtk_nand_read_byte; ++ nand_chip->read_buf = mtk_nand_read_buf; ++ nand_chip->write_buf = mtk_nand_write_buf; ++#ifdef CONFIG_MTD_NAND_VERIFY_WRITE ++ nand_chip->verify_buf = mtk_nand_verify_buf; ++#endif ++ nand_chip->select_chip = mtk_nand_select_chip; ++ nand_chip->dev_ready = mtk_nand_dev_ready; ++ nand_chip->cmdfunc = mtk_nand_command_bp; ++ nand_chip->ecc.read_page = mtk_nand_read_page_hwecc; ++ nand_chip->ecc.write_page = mtk_nand_write_page_hwecc; ++ ++ nand_chip->ecc.layout = &nand_oob_64; ++ nand_chip->ecc.size = hw->nand_ecc_size; //2048 ++ nand_chip->ecc.bytes = hw->nand_ecc_bytes; //32 ++ ++ // For BMT, we need to revise driver architecture ++ nand_chip->write_page = mtk_nand_write_page; ++ nand_chip->ecc.write_oob = mtk_nand_write_oob; ++ nand_chip->block_markbad = mtk_nand_block_markbad; // need to add nand_get_device()/nand_release_device(). ++ // nand_chip->erase = mtk_nand_erase; ++ // nand_chip->read_page = mtk_nand_read_page; ++ nand_chip->ecc.read_oob = mtk_nand_read_oob; ++ nand_chip->block_bad = mtk_nand_block_bad; ++ ++ //Qwert:Add for Uboot ++ mtk_nand_init_hw(host); ++ /* Select the device */ ++ nand_chip->select_chip(mtd, NFI_DEFAULT_CS); ++ ++ /* ++ * Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx) ++ * after power-up ++ */ ++ nand_chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); ++ ++ memset(&devinfo, 0 , sizeof(flashdev_info)); ++ ++ /* Send the command for reading device ID */ ++ ++ nand_chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); ++ ++ /* Read manufacturer and device IDs */ ++ manu_id = nand_chip->read_byte(mtd); ++ dev_id = nand_chip->read_byte(mtd); ++ id = dev_id | (manu_id << 8); ++ ext_id1 = nand_chip->read_byte(mtd); ++ ext_id2 = nand_chip->read_byte(mtd); ++ ext_id3 = nand_chip->read_byte(mtd); ++ ext_id = ext_id1 << 16 | ext_id2 << 8 | ext_id3; ++ if (!get_device_info(id, ext_id, &devinfo)) { ++ u32 chip_mode = RALINK_REG(RALINK_SYSCTL_BASE+0x010)&0x0F; ++ MSG(INIT, "Not Support this Device! \r\n"); ++ memset(&devinfo, 0 , sizeof(flashdev_info)); ++ MSG(INIT, "chip_mode=%08X\n",chip_mode); ++ ++ /* apply bootstrap first */ ++ devinfo.addr_cycle = 5; ++ devinfo.iowidth = 8; ++ ++ switch (chip_mode) { ++ case 10: ++ devinfo.pagesize = 2048; ++ devinfo.sparesize = 128; ++ devinfo.totalsize = 128; ++ devinfo.blocksize = 128; ++ break; ++ case 11: ++ devinfo.pagesize = 4096; ++ devinfo.sparesize = 128; ++ devinfo.totalsize = 1024; ++ devinfo.blocksize = 256; ++ break; ++ case 12: ++ devinfo.pagesize = 4096; ++ devinfo.sparesize = 224; ++ devinfo.totalsize = 2048; ++ devinfo.blocksize = 512; ++ break; ++ default: ++ case 1: ++ devinfo.pagesize = 2048; ++ devinfo.sparesize = 64; ++ devinfo.totalsize = 128; ++ devinfo.blocksize = 128; ++ break; ++ } ++ ++ devinfo.timmingsetting = NFI_DEFAULT_ACCESS_TIMING; ++ devinfo.devciename[0] = 'U'; ++ devinfo.advancedmode = 0; ++ } ++ mtd->writesize = devinfo.pagesize; ++ mtd->erasesize = (devinfo.blocksize<<10); ++ mtd->oobsize = devinfo.sparesize; ++ ++ nand_chip->chipsize = (devinfo.totalsize<<20); ++ nand_chip->page_shift = ffs(mtd->writesize) - 1; ++ nand_chip->pagemask = (nand_chip->chipsize >> nand_chip->page_shift) - 1; ++ nand_chip->phys_erase_shift = ffs(mtd->erasesize) - 1; ++ nand_chip->chip_shift = ffs(nand_chip->chipsize) - 1;//0x1C;//ffs(nand_chip->chipsize) - 1; ++ nand_chip->oob_poi = nand_chip->buffers->databuf + mtd->writesize; ++ nand_chip->badblockpos = 0; ++ ++ if (devinfo.pagesize == 4096) ++ nand_chip->ecc.layout = &nand_oob_128; ++ else if (devinfo.pagesize == 2048) ++ nand_chip->ecc.layout = &nand_oob_64; ++ else if (devinfo.pagesize == 512) ++ nand_chip->ecc.layout = &nand_oob_16; ++ ++ nand_chip->ecc.layout->eccbytes = devinfo.sparesize-OOB_AVAI_PER_SECTOR*(devinfo.pagesize/NAND_SECTOR_SIZE); ++ for (i = 0; i < nand_chip->ecc.layout->eccbytes; i++) ++ nand_chip->ecc.layout->eccpos[i]=OOB_AVAI_PER_SECTOR*(devinfo.pagesize/NAND_SECTOR_SIZE)+i; ++ ++ MSG(INIT, "Support this Device in MTK table! %x \r\n", id); ++ hw->nfi_bus_width = devinfo.iowidth; ++ DRV_WriteReg32(NFI_ACCCON_REG32, devinfo.timmingsetting); ++ ++ /* 16-bit bus width */ ++ if (hw->nfi_bus_width == 16) { ++ MSG(INIT, "%s : Set the 16-bit I/O settings!\n", MODULE_NAME); ++ nand_chip->options |= NAND_BUSWIDTH_16; ++ } ++ mtd->oobsize = devinfo.sparesize; ++ hw->nfi_cs_num = 1; ++ ++ /* Scan to find existance of the device */ ++ if (nand_scan(mtd, hw->nfi_cs_num)) { ++ MSG(INIT, "%s : nand_scan fail.\n", MODULE_NAME); ++ err = -ENXIO; ++ goto out; ++ } ++ ++ g_page_size = mtd->writesize; ++ platform_set_drvdata(pdev, host); ++ if (hw->nfi_bus_width == 16) { ++ NFI_SET_REG16(NFI_PAGEFMT_REG16, PAGEFMT_DBYTE_EN); ++ } ++ ++ nand_chip->select_chip(mtd, 0); ++#if defined(MTK_NAND_BMT) ++ nand_chip->chipsize -= (BMT_POOL_SIZE) << nand_chip->phys_erase_shift; ++#endif ++ mtd->size = nand_chip->chipsize; ++ ++ CFG_BLOCKSIZE = mtd->erasesize; ++ ++#if defined(MTK_NAND_BMT) ++ if (!g_bmt) { ++ if (!(g_bmt = init_bmt(nand_chip, BMT_POOL_SIZE))) { ++ MSG(INIT, "Error: init bmt failed\n"); ++ return 0; ++ } ++ } ++#endif ++ ++ ppdata.of_node = pdev->dev.of_node; ++ err = mtd_device_parse_register(mtd, probe_types, &ppdata, ++ NULL, 0); ++ if (!err) { ++ MSG(INIT, "[mtk_nand] probe successfully!\n"); ++ nand_disable_clock(); ++ shift_on_bbt = 1; ++ if (load_fact_bbt(mtd) == 0) { ++ int i; ++ for (i = 0; i < 0x100; i++) ++ nand_chip->bbt[i] |= fact_bbt[i]; ++ } ++ ++ return err; ++ } ++ ++out: ++ MSG(INIT, "[NFI] mtk_nand_probe fail, err = %d!\n", err); ++ nand_release(mtd); ++ platform_set_drvdata(pdev, NULL); ++ kfree(host); ++ nand_disable_clock(); ++ return err; ++} ++ ++static int ++mtk_nand_remove(struct platform_device *pdev) ++{ ++ struct mtk_nand_host *host = platform_get_drvdata(pdev); ++ struct mtd_info *mtd = &host->mtd; ++ ++ nand_release(mtd); ++ kfree(host); ++ nand_disable_clock(); ++ ++ return 0; ++} ++ ++static const struct of_device_id mt7621_nand_match[] = { ++ { .compatible = "mtk,mt7621-nand" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mt7621_nand_match); ++ ++static struct platform_driver mtk_nand_driver = { ++ .probe = mtk_nand_probe, ++ .remove = mtk_nand_remove, ++ .driver = { ++ .name = "MT7621-NAND", ++ .owner = THIS_MODULE, ++ .of_match_table = mt7621_nand_match, ++ }, ++}; ++ ++static int __init ++mtk_nand_init(void) ++{ ++ printk("MediaTek Nand driver init, version %s\n", VERSION); ++ ++ return platform_driver_register(&mtk_nand_driver); ++} ++ ++static void __exit ++mtk_nand_exit(void) ++{ ++ platform_driver_unregister(&mtk_nand_driver); ++} ++ ++module_init(mtk_nand_init); ++module_exit(mtk_nand_exit); ++MODULE_LICENSE("GPL"); +--- /dev/null ++++ b/drivers/mtd/nand/mtk_nand.h +@@ -0,0 +1,452 @@ ++#ifndef __MTK_NAND_H ++#define __MTK_NAND_H ++ ++#define RALINK_NAND_CTRL_BASE 0xBE003000 ++#define RALINK_SYSCTL_BASE 0xBE000000 ++#define RALINK_NANDECC_CTRL_BASE 0xBE003800 ++/******************************************************************************* ++ * NFI Register Definition ++ *******************************************************************************/ ++ ++#define NFI_CNFG_REG16 ((volatile P_U16)(NFI_BASE+0x0000)) ++#define NFI_PAGEFMT_REG16 ((volatile P_U16)(NFI_BASE+0x0004)) ++#define NFI_CON_REG16 ((volatile P_U16)(NFI_BASE+0x0008)) ++#define NFI_ACCCON_REG32 ((volatile P_U32)(NFI_BASE+0x000C)) ++#define NFI_INTR_EN_REG16 ((volatile P_U16)(NFI_BASE+0x0010)) ++#define NFI_INTR_REG16 ((volatile P_U16)(NFI_BASE+0x0014)) ++ ++#define NFI_CMD_REG16 ((volatile P_U16)(NFI_BASE+0x0020)) ++ ++#define NFI_ADDRNOB_REG16 ((volatile P_U16)(NFI_BASE+0x0030)) ++#define NFI_COLADDR_REG32 ((volatile P_U32)(NFI_BASE+0x0034)) ++#define NFI_ROWADDR_REG32 ((volatile P_U32)(NFI_BASE+0x0038)) ++ ++#define NFI_STRDATA_REG16 ((volatile P_U16)(NFI_BASE+0x0040)) ++ ++#define NFI_DATAW_REG32 ((volatile P_U32)(NFI_BASE+0x0050)) ++#define NFI_DATAR_REG32 ((volatile P_U32)(NFI_BASE+0x0054)) ++#define NFI_PIO_DIRDY_REG16 ((volatile P_U16)(NFI_BASE+0x0058)) ++ ++#define NFI_STA_REG32 ((volatile P_U32)(NFI_BASE+0x0060)) ++#define NFI_FIFOSTA_REG16 ((volatile P_U16)(NFI_BASE+0x0064)) ++#define NFI_LOCKSTA_REG16 ((volatile P_U16)(NFI_BASE+0x0068)) ++ ++#define NFI_ADDRCNTR_REG16 ((volatile P_U16)(NFI_BASE+0x0070)) ++ ++#define NFI_STRADDR_REG32 ((volatile P_U32)(NFI_BASE+0x0080)) ++#define NFI_BYTELEN_REG16 ((volatile P_U16)(NFI_BASE+0x0084)) ++ ++#define NFI_CSEL_REG16 ((volatile P_U16)(NFI_BASE+0x0090)) ++#define NFI_IOCON_REG16 ((volatile P_U16)(NFI_BASE+0x0094)) ++ ++#define NFI_FDM0L_REG32 ((volatile P_U32)(NFI_BASE+0x00A0)) ++#define NFI_FDM0M_REG32 ((volatile P_U32)(NFI_BASE+0x00A4)) ++ ++#define NFI_LOCK_REG16 ((volatile P_U16)(NFI_BASE+0x0100)) ++#define NFI_LOCKCON_REG32 ((volatile P_U32)(NFI_BASE+0x0104)) ++#define NFI_LOCKANOB_REG16 ((volatile P_U16)(NFI_BASE+0x0108)) ++#define NFI_LOCK00ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0110)) ++#define NFI_LOCK00FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0114)) ++#define NFI_LOCK01ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0118)) ++#define NFI_LOCK01FMT_REG32 ((volatile P_U32)(NFI_BASE+0x011C)) ++#define NFI_LOCK02ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0120)) ++#define NFI_LOCK02FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0124)) ++#define NFI_LOCK03ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0128)) ++#define NFI_LOCK03FMT_REG32 ((volatile P_U32)(NFI_BASE+0x012C)) ++#define NFI_LOCK04ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0130)) ++#define NFI_LOCK04FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0134)) ++#define NFI_LOCK05ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0138)) ++#define NFI_LOCK05FMT_REG32 ((volatile P_U32)(NFI_BASE+0x013C)) ++#define NFI_LOCK06ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0140)) ++#define NFI_LOCK06FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0144)) ++#define NFI_LOCK07ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0148)) ++#define NFI_LOCK07FMT_REG32 ((volatile P_U32)(NFI_BASE+0x014C)) ++#define NFI_LOCK08ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0150)) ++#define NFI_LOCK08FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0154)) ++#define NFI_LOCK09ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0158)) ++#define NFI_LOCK09FMT_REG32 ((volatile P_U32)(NFI_BASE+0x015C)) ++#define NFI_LOCK10ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0160)) ++#define NFI_LOCK10FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0164)) ++#define NFI_LOCK11ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0168)) ++#define NFI_LOCK11FMT_REG32 ((volatile P_U32)(NFI_BASE+0x016C)) ++#define NFI_LOCK12ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0170)) ++#define NFI_LOCK12FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0174)) ++#define NFI_LOCK13ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0178)) ++#define NFI_LOCK13FMT_REG32 ((volatile P_U32)(NFI_BASE+0x017C)) ++#define NFI_LOCK14ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0180)) ++#define NFI_LOCK14FMT_REG32 ((volatile P_U32)(NFI_BASE+0x0184)) ++#define NFI_LOCK15ADD_REG32 ((volatile P_U32)(NFI_BASE+0x0188)) ++#define NFI_LOCK15FMT_REG32 ((volatile P_U32)(NFI_BASE+0x018C)) ++ ++#define NFI_FIFODATA0_REG32 ((volatile P_U32)(NFI_BASE+0x0190)) ++#define NFI_FIFODATA1_REG32 ((volatile P_U32)(NFI_BASE+0x0194)) ++#define NFI_FIFODATA2_REG32 ((volatile P_U32)(NFI_BASE+0x0198)) ++#define NFI_FIFODATA3_REG32 ((volatile P_U32)(NFI_BASE+0x019C)) ++#define NFI_MASTERSTA_REG16 ((volatile P_U16)(NFI_BASE+0x0210)) ++ ++ ++/******************************************************************************* ++ * NFI Register Field Definition ++ *******************************************************************************/ ++ ++/* NFI_CNFG */ ++#define CNFG_AHB (0x0001) ++#define CNFG_READ_EN (0x0002) ++#define CNFG_DMA_BURST_EN (0x0004) ++#define CNFG_BYTE_RW (0x0040) ++#define CNFG_HW_ECC_EN (0x0100) ++#define CNFG_AUTO_FMT_EN (0x0200) ++#define CNFG_OP_IDLE (0x0000) ++#define CNFG_OP_READ (0x1000) ++#define CNFG_OP_SRD (0x2000) ++#define CNFG_OP_PRGM (0x3000) ++#define CNFG_OP_ERASE (0x4000) ++#define CNFG_OP_RESET (0x5000) ++#define CNFG_OP_CUST (0x6000) ++#define CNFG_OP_MODE_MASK (0x7000) ++#define CNFG_OP_MODE_SHIFT (12) ++ ++/* NFI_PAGEFMT */ ++#define PAGEFMT_512 (0x0000) ++#define PAGEFMT_2K (0x0001) ++#define PAGEFMT_4K (0x0002) ++ ++#define PAGEFMT_PAGE_MASK (0x0003) ++ ++#define PAGEFMT_DBYTE_EN (0x0008) ++ ++#define PAGEFMT_SPARE_16 (0x0000) ++#define PAGEFMT_SPARE_26 (0x0001) ++#define PAGEFMT_SPARE_27 (0x0002) ++#define PAGEFMT_SPARE_28 (0x0003) ++#define PAGEFMT_SPARE_MASK (0x0030) ++#define PAGEFMT_SPARE_SHIFT (4) ++ ++#define PAGEFMT_FDM_MASK (0x0F00) ++#define PAGEFMT_FDM_SHIFT (8) ++ ++#define PAGEFMT_FDM_ECC_MASK (0xF000) ++#define PAGEFMT_FDM_ECC_SHIFT (12) ++ ++/* NFI_CON */ ++#define CON_FIFO_FLUSH (0x0001) ++#define CON_NFI_RST (0x0002) ++#define CON_NFI_SRD (0x0010) ++ ++#define CON_NFI_NOB_MASK (0x0060) ++#define CON_NFI_NOB_SHIFT (5) ++ ++#define CON_NFI_BRD (0x0100) ++#define CON_NFI_BWR (0x0200) ++ ++#define CON_NFI_SEC_MASK (0xF000) ++#define CON_NFI_SEC_SHIFT (12) ++ ++/* NFI_ACCCON */ ++#define ACCCON_SETTING () ++ ++/* NFI_INTR_EN */ ++#define INTR_RD_DONE_EN (0x0001) ++#define INTR_WR_DONE_EN (0x0002) ++#define INTR_RST_DONE_EN (0x0004) ++#define INTR_ERASE_DONE_EN (0x0008) ++#define INTR_BSY_RTN_EN (0x0010) ++#define INTR_ACC_LOCK_EN (0x0020) ++#define INTR_AHB_DONE_EN (0x0040) ++#define INTR_ALL_INTR_DE (0x0000) ++#define INTR_ALL_INTR_EN (0x007F) ++ ++/* NFI_INTR */ ++#define INTR_RD_DONE (0x0001) ++#define INTR_WR_DONE (0x0002) ++#define INTR_RST_DONE (0x0004) ++#define INTR_ERASE_DONE (0x0008) ++#define INTR_BSY_RTN (0x0010) ++#define INTR_ACC_LOCK (0x0020) ++#define INTR_AHB_DONE (0x0040) ++ ++/* NFI_ADDRNOB */ ++#define ADDR_COL_NOB_MASK (0x0003) ++#define ADDR_COL_NOB_SHIFT (0) ++#define ADDR_ROW_NOB_MASK (0x0030) ++#define ADDR_ROW_NOB_SHIFT (4) ++ ++/* NFI_STA */ ++#define STA_READ_EMPTY (0x00001000) ++#define STA_ACC_LOCK (0x00000010) ++#define STA_CMD_STATE (0x00000001) ++#define STA_ADDR_STATE (0x00000002) ++#define STA_DATAR_STATE (0x00000004) ++#define STA_DATAW_STATE (0x00000008) ++ ++#define STA_NAND_FSM_MASK (0x1F000000) ++#define STA_NAND_BUSY (0x00000100) ++#define STA_NAND_BUSY_RETURN (0x00000200) ++#define STA_NFI_FSM_MASK (0x000F0000) ++#define STA_NFI_OP_MASK (0x0000000F) ++ ++/* NFI_FIFOSTA */ ++#define FIFO_RD_EMPTY (0x0040) ++#define FIFO_RD_FULL (0x0080) ++#define FIFO_WR_FULL (0x8000) ++#define FIFO_WR_EMPTY (0x4000) ++#define FIFO_RD_REMAIN(x) (0x1F&(x)) ++#define FIFO_WR_REMAIN(x) ((0x1F00&(x))>>8) ++ ++/* NFI_ADDRCNTR */ ++#define ADDRCNTR_CNTR(x) ((0xF000&(x))>>12) ++#define ADDRCNTR_OFFSET(x) (0x03FF&(x)) ++ ++/* NFI_LOCK */ ++#define NFI_LOCK_ON (0x0001) ++ ++/* NFI_LOCKANOB */ ++#define PROG_RADD_NOB_MASK (0x7000) ++#define PROG_RADD_NOB_SHIFT (12) ++#define PROG_CADD_NOB_MASK (0x0300) ++#define PROG_CADD_NOB_SHIFT (8) ++#define ERASE_RADD_NOB_MASK (0x0070) ++#define ERASE_RADD_NOB_SHIFT (4) ++#define ERASE_CADD_NOB_MASK (0x0007) ++#define ERASE_CADD_NOB_SHIFT (0) ++ ++/******************************************************************************* ++ * ECC Register Definition ++ *******************************************************************************/ ++ ++#define ECC_ENCCON_REG16 ((volatile P_U16)(NFIECC_BASE+0x0000)) ++#define ECC_ENCCNFG_REG32 ((volatile P_U32)(NFIECC_BASE+0x0004)) ++#define ECC_ENCDIADDR_REG32 ((volatile P_U32)(NFIECC_BASE+0x0008)) ++#define ECC_ENCIDLE_REG32 ((volatile P_U32)(NFIECC_BASE+0x000C)) ++#define ECC_ENCPAR0_REG32 ((volatile P_U32)(NFIECC_BASE+0x0010)) ++#define ECC_ENCPAR1_REG32 ((volatile P_U32)(NFIECC_BASE+0x0014)) ++#define ECC_ENCPAR2_REG32 ((volatile P_U32)(NFIECC_BASE+0x0018)) ++#define ECC_ENCPAR3_REG32 ((volatile P_U32)(NFIECC_BASE+0x001C)) ++#define ECC_ENCPAR4_REG32 ((volatile P_U32)(NFIECC_BASE+0x0020)) ++#define ECC_ENCSTA_REG32 ((volatile P_U32)(NFIECC_BASE+0x0024)) ++#define ECC_ENCIRQEN_REG16 ((volatile P_U16)(NFIECC_BASE+0x0028)) ++#define ECC_ENCIRQSTA_REG16 ((volatile P_U16)(NFIECC_BASE+0x002C)) ++ ++#define ECC_DECCON_REG16 ((volatile P_U16)(NFIECC_BASE+0x0100)) ++#define ECC_DECCNFG_REG32 ((volatile P_U32)(NFIECC_BASE+0x0104)) ++#define ECC_DECDIADDR_REG32 ((volatile P_U32)(NFIECC_BASE+0x0108)) ++#define ECC_DECIDLE_REG16 ((volatile P_U16)(NFIECC_BASE+0x010C)) ++#define ECC_DECFER_REG16 ((volatile P_U16)(NFIECC_BASE+0x0110)) ++#define ECC_DECENUM_REG32 ((volatile P_U32)(NFIECC_BASE+0x0114)) ++#define ECC_DECDONE_REG16 ((volatile P_U16)(NFIECC_BASE+0x0118)) ++#define ECC_DECEL0_REG32 ((volatile P_U32)(NFIECC_BASE+0x011C)) ++#define ECC_DECEL1_REG32 ((volatile P_U32)(NFIECC_BASE+0x0120)) ++#define ECC_DECEL2_REG32 ((volatile P_U32)(NFIECC_BASE+0x0124)) ++#define ECC_DECEL3_REG32 ((volatile P_U32)(NFIECC_BASE+0x0128)) ++#define ECC_DECEL4_REG32 ((volatile P_U32)(NFIECC_BASE+0x012C)) ++#define ECC_DECEL5_REG32 ((volatile P_U32)(NFIECC_BASE+0x0130)) ++#define ECC_DECIRQEN_REG16 ((volatile P_U16)(NFIECC_BASE+0x0134)) ++#define ECC_DECIRQSTA_REG16 ((volatile P_U16)(NFIECC_BASE+0x0138)) ++#define ECC_FDMADDR_REG32 ((volatile P_U32)(NFIECC_BASE+0x013C)) ++#define ECC_DECFSM_REG32 ((volatile P_U32)(NFIECC_BASE+0x0140)) ++#define ECC_SYNSTA_REG32 ((volatile P_U32)(NFIECC_BASE+0x0144)) ++#define ECC_DECNFIDI_REG32 ((volatile P_U32)(NFIECC_BASE+0x0148)) ++#define ECC_SYN0_REG32 ((volatile P_U32)(NFIECC_BASE+0x014C)) ++ ++/******************************************************************************* ++ * ECC register definition ++ *******************************************************************************/ ++/* ECC_ENCON */ ++#define ENC_EN (0x0001) ++#define ENC_DE (0x0000) ++ ++/* ECC_ENCCNFG */ ++#define ECC_CNFG_ECC4 (0x0000) ++#define ECC_CNFG_ECC6 (0x0001) ++#define ECC_CNFG_ECC8 (0x0002) ++#define ECC_CNFG_ECC10 (0x0003) ++#define ECC_CNFG_ECC12 (0x0004) ++#define ECC_CNFG_ECC_MASK (0x00000007) ++ ++#define ENC_CNFG_NFI (0x0010) ++#define ENC_CNFG_MODE_MASK (0x0010) ++ ++#define ENC_CNFG_META6 (0x10300000) ++#define ENC_CNFG_META8 (0x10400000) ++ ++#define ENC_CNFG_MSG_MASK (0x1FFF0000) ++#define ENC_CNFG_MSG_SHIFT (0x10) ++ ++/* ECC_ENCIDLE */ ++#define ENC_IDLE (0x0001) ++ ++/* ECC_ENCSTA */ ++#define STA_FSM (0x001F) ++#define STA_COUNT_PS (0xFF10) ++#define STA_COUNT_MS (0x3FFF0000) ++ ++/* ECC_ENCIRQEN */ ++#define ENC_IRQEN (0x0001) ++ ++/* ECC_ENCIRQSTA */ ++#define ENC_IRQSTA (0x0001) ++ ++/* ECC_DECCON */ ++#define DEC_EN (0x0001) ++#define DEC_DE (0x0000) ++ ++/* ECC_ENCCNFG */ ++#define DEC_CNFG_ECC4 (0x0000) ++//#define DEC_CNFG_ECC6 (0x0001) ++//#define DEC_CNFG_ECC12 (0x0002) ++#define DEC_CNFG_NFI (0x0010) ++//#define DEC_CNFG_META6 (0x10300000) ++//#define DEC_CNFG_META8 (0x10400000) ++ ++#define DEC_CNFG_FER (0x01000) ++#define DEC_CNFG_EL (0x02000) ++#define DEC_CNFG_CORRECT (0x03000) ++#define DEC_CNFG_TYPE_MASK (0x03000) ++ ++#define DEC_CNFG_EMPTY_EN (0x80000000) ++ ++#define DEC_CNFG_CODE_MASK (0x1FFF0000) ++#define DEC_CNFG_CODE_SHIFT (0x10) ++ ++/* ECC_DECIDLE */ ++#define DEC_IDLE (0x0001) ++ ++/* ECC_DECFER */ ++#define DEC_FER0 (0x0001) ++#define DEC_FER1 (0x0002) ++#define DEC_FER2 (0x0004) ++#define DEC_FER3 (0x0008) ++#define DEC_FER4 (0x0010) ++#define DEC_FER5 (0x0020) ++#define DEC_FER6 (0x0040) ++#define DEC_FER7 (0x0080) ++ ++/* ECC_DECENUM */ ++#define ERR_NUM0 (0x0000000F) ++#define ERR_NUM1 (0x000000F0) ++#define ERR_NUM2 (0x00000F00) ++#define ERR_NUM3 (0x0000F000) ++#define ERR_NUM4 (0x000F0000) ++#define ERR_NUM5 (0x00F00000) ++#define ERR_NUM6 (0x0F000000) ++#define ERR_NUM7 (0xF0000000) ++ ++/* ECC_DECDONE */ ++#define DEC_DONE0 (0x0001) ++#define DEC_DONE1 (0x0002) ++#define DEC_DONE2 (0x0004) ++#define DEC_DONE3 (0x0008) ++#define DEC_DONE4 (0x0010) ++#define DEC_DONE5 (0x0020) ++#define DEC_DONE6 (0x0040) ++#define DEC_DONE7 (0x0080) ++ ++/* ECC_DECIRQEN */ ++#define DEC_IRQEN (0x0001) ++ ++/* ECC_DECIRQSTA */ ++#define DEC_IRQSTA (0x0001) ++ ++#define CHIPVER_ECO_1 (0x8a00) ++#define CHIPVER_ECO_2 (0x8a01) ++ ++//#define NAND_PFM ++ ++/******************************************************************************* ++ * Data Structure Definition ++ *******************************************************************************/ ++struct mtk_nand_host ++{ ++ struct nand_chip nand_chip; ++ struct mtd_info mtd; ++ struct mtk_nand_host_hw *hw; ++}; ++ ++struct NAND_CMD ++{ ++ u32 u4ColAddr; ++ u32 u4RowAddr; ++ u32 u4OOBRowAddr; ++ u8 au1OOB[288]; ++ u8* pDataBuf; ++#ifdef NAND_PFM ++ u32 pureReadOOB; ++ u32 pureReadOOBNum; ++#endif ++}; ++ ++/* ++ * ECC layout control structure. Exported to userspace for ++ * diagnosis and to allow creation of raw images ++struct nand_ecclayout { ++ uint32_t eccbytes; ++ uint32_t eccpos[64]; ++ uint32_t oobavail; ++ struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES]; ++}; ++*/ ++#define __DEBUG_NAND 1 /* Debug information on/off */ ++ ++/* Debug message event */ ++#define DBG_EVT_NONE 0x00000000 /* No event */ ++#define DBG_EVT_INIT 0x00000001 /* Initial related event */ ++#define DBG_EVT_VERIFY 0x00000002 /* Verify buffer related event */ ++#define DBG_EVT_PERFORMANCE 0x00000004 /* Performance related event */ ++#define DBG_EVT_READ 0x00000008 /* Read related event */ ++#define DBG_EVT_WRITE 0x00000010 /* Write related event */ ++#define DBG_EVT_ERASE 0x00000020 /* Erase related event */ ++#define DBG_EVT_BADBLOCK 0x00000040 /* Badblock related event */ ++#define DBG_EVT_POWERCTL 0x00000080 /* Suspend/Resume related event */ ++ ++#define DBG_EVT_ALL 0xffffffff ++ ++#define DBG_EVT_MASK (DBG_EVT_INIT) ++ ++#if __DEBUG_NAND ++#define MSG(evt, fmt, args...) \ ++do { \ ++ if ((DBG_EVT_##evt) & DBG_EVT_MASK) { \ ++ printk(fmt, ##args); \ ++ } \ ++} while(0) ++ ++#define MSG_FUNC_ENTRY(f) MSG(FUC, "<FUN_ENT>: %s\n", __FUNCTION__) ++#else ++#define MSG(evt, fmt, args...) do{}while(0) ++#define MSG_FUNC_ENTRY(f) do{}while(0) ++#endif ++ ++#define RAMDOM_READ 1<<0 ++#define CACHE_READ 1<<1 ++ ++typedef struct ++{ ++ u16 id; //deviceid+menuid ++ u32 ext_id; ++ u8 addr_cycle; ++ u8 iowidth; ++ u16 totalsize; ++ u16 blocksize; ++ u16 pagesize; ++ u16 sparesize; ++ u32 timmingsetting; ++ char devciename[14]; ++ u32 advancedmode; // ++}flashdev_info,*pflashdev_info; ++ ++/* NAND driver */ ++#if 0 ++struct mtk_nand_host_hw { ++ unsigned int nfi_bus_width; /* NFI_BUS_WIDTH */ ++ unsigned int nfi_access_timing; /* NFI_ACCESS_TIMING */ ++ unsigned int nfi_cs_num; /* NFI_CS_NUM */ ++ unsigned int nand_sec_size; /* NAND_SECTOR_SIZE */ ++ unsigned int nand_sec_shift; /* NAND_SECTOR_SHIFT */ ++ unsigned int nand_ecc_size; ++ unsigned int nand_ecc_bytes; ++ unsigned int nand_ecc_mode; ++}; ++extern struct mtk_nand_host_hw mt7621_nand_hw; ++extern u32 CFG_BLOCKSIZE; ++#endif ++#endif +--- a/drivers/mtd/nand/nand_base.c ++++ b/drivers/mtd/nand/nand_base.c +@@ -93,7 +93,7 @@ static struct nand_ecclayout nand_oob_12 + .length = 78} } + }; + +-static int nand_get_device(struct mtd_info *mtd, int new_state); ++int nand_get_device(struct mtd_info *mtd, int new_state); + + static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops); +@@ -131,7 +131,7 @@ static int check_offs_len(struct mtd_inf + * + * Release chip lock and wake up anyone waiting on the device. + */ +-static void nand_release_device(struct mtd_info *mtd) ++void nand_release_device(struct mtd_info *mtd) + { + struct nand_chip *chip = mtd->priv; + +@@ -803,7 +803,7 @@ static void panic_nand_get_device(struct + * + * Get the device and lock it for exclusive access + */ +-static int ++int + nand_get_device(struct mtd_info *mtd, int new_state) + { + struct nand_chip *chip = mtd->priv; +--- a/drivers/mtd/nand/nand_bbt.c ++++ b/drivers/mtd/nand/nand_bbt.c +@@ -1372,4 +1372,23 @@ int nand_markbad_bbt(struct mtd_info *mt + return ret; + } + ++void nand_bbt_set(struct mtd_info *mtd, int page, int flag) ++{ ++ struct nand_chip *this = mtd->priv; ++ int block; ++ ++ block = (int)(page >> (this->bbt_erase_shift - this->page_shift - 1)); ++ this->bbt[block >> 3] &= ~(0x03 << (block & 0x6)); ++ this->bbt[block >> 3] |= (flag & 0x3) << (block & 0x6); ++} ++ ++int nand_bbt_get(struct mtd_info *mtd, int page) ++{ ++ struct nand_chip *this = mtd->priv; ++ int block; ++ ++ block = (int)(page >> (this->bbt_erase_shift - this->page_shift - 1)); ++ return (this->bbt[block >> 3] >> (block & 0x06)) & 0x03; ++} ++ + EXPORT_SYMBOL(nand_scan_bbt); +--- /dev/null ++++ b/drivers/mtd/nand/nand_def.h +@@ -0,0 +1,123 @@ ++#ifndef __NAND_DEF_H__ ++#define __NAND_DEF_H__ ++ ++#define VERSION "v2.1 Fix AHB virt2phys error" ++#define MODULE_NAME "# MTK NAND #" ++#define PROCNAME "driver/nand" ++ ++#undef TESTTIME ++//#define __UBOOT_NAND__ 1 ++#define __KERNEL_NAND__ 1 ++//#define __PRELOADER_NAND__ 1 ++//#define PMT 1 ++//#define _MTK_NAND_DUMMY_DRIVER ++//#define CONFIG_BADBLOCK_CHECK 1 ++//#ifdef CONFIG_BADBLOCK_CHECK ++//#define MTK_NAND_BMT 1 ++//#endif ++#define ECC_ENABLE 1 ++#define MANUAL_CORRECT 1 ++//#define __INTERNAL_USE_AHB_MODE__ (0) ++#define SKIP_BAD_BLOCK ++#define FACT_BBT ++ ++#ifndef NAND_OTP_SUPPORT ++#define NAND_OTP_SUPPORT 0 ++#endif ++ ++/******************************************************************************* ++ * Macro definition ++ *******************************************************************************/ ++//#define NFI_SET_REG32(reg, value) (DRV_WriteReg32(reg, DRV_Reg32(reg) | (value))) ++//#define NFI_SET_REG16(reg, value) (DRV_WriteReg16(reg, DRV_Reg16(reg) | (value))) ++//#define NFI_CLN_REG32(reg, value) (DRV_WriteReg32(reg, DRV_Reg32(reg) & (~(value)))) ++//#define NFI_CLN_REG16(reg, value) (DRV_WriteReg16(reg, DRV_Reg16(reg) & (~(value)))) ++ ++#if defined (__KERNEL_NAND__) ++#define NFI_SET_REG32(reg, value) \ ++do { \ ++ g_value = (DRV_Reg32(reg) | (value));\ ++ DRV_WriteReg32(reg, g_value); \ ++} while(0) ++ ++#define NFI_SET_REG16(reg, value) \ ++do { \ ++ g_value = (DRV_Reg16(reg) | (value));\ ++ DRV_WriteReg16(reg, g_value); \ ++} while(0) ++ ++#define NFI_CLN_REG32(reg, value) \ ++do { \ ++ g_value = (DRV_Reg32(reg) & (~(value)));\ ++ DRV_WriteReg32(reg, g_value); \ ++} while(0) ++ ++#define NFI_CLN_REG16(reg, value) \ ++do { \ ++ g_value = (DRV_Reg16(reg) & (~(value)));\ ++ DRV_WriteReg16(reg, g_value); \ ++} while(0) ++#endif ++ ++#define NFI_WAIT_STATE_DONE(state) do{;}while (__raw_readl(NFI_STA_REG32) & state) ++#define NFI_WAIT_TO_READY() do{;}while (!(__raw_readl(NFI_STA_REG32) & STA_BUSY2READY)) ++ ++ ++#define NAND_SECTOR_SIZE (512) ++#define OOB_PER_SECTOR (16) ++#define OOB_AVAI_PER_SECTOR (8) ++ ++#ifndef PART_SIZE_BMTPOOL ++#define BMT_POOL_SIZE (80) ++#else ++#define BMT_POOL_SIZE (PART_SIZE_BMTPOOL) ++#endif ++ ++#define PMT_POOL_SIZE (2) ++ ++#define TIMEOUT_1 0x1fff ++#define TIMEOUT_2 0x8ff ++#define TIMEOUT_3 0xffff ++#define TIMEOUT_4 0xffff//5000 //PIO ++ ++ ++/* temporarity definiation */ ++#if !defined (__KERNEL_NAND__) ++#define KERN_INFO ++#define KERN_WARNING ++#define KERN_ERR ++#define PAGE_SIZE (4096) ++#endif ++#define AddStorageTrace //AddStorageTrace ++#define STORAGE_LOGGER_MSG_NAND 0 ++#define NFI_BASE RALINK_NAND_CTRL_BASE ++#define NFIECC_BASE RALINK_NANDECC_CTRL_BASE ++ ++#ifdef __INTERNAL_USE_AHB_MODE__ ++#define MT65xx_POLARITY_LOW 0 ++#define MT65XX_PDN_PERI_NFI 0 ++#define MT65xx_EDGE_SENSITIVE 0 ++#define MT6575_NFI_IRQ_ID (58) ++#endif ++ ++#if defined (__KERNEL_NAND__) ++#define RALINK_REG(x) (*((volatile u32 *)(x))) ++#define __virt_to_phys(x) virt_to_phys((volatile void*)x) ++#else ++#define CONFIG_MTD_NAND_VERIFY_WRITE (1) ++#define printk printf ++#define ra_dbg printf ++#define BUG() //BUG() ++#define BUG_ON(x) //BUG_ON() ++#define NUM_PARTITIONS 1 ++#endif ++ ++#define NFI_DEFAULT_ACCESS_TIMING (0x30C77fff) //(0x44333) ++ ++//uboot only support 1 cs ++#define NFI_CS_NUM (1) ++#define NFI_DEFAULT_CS (0) ++ ++#include "mt6575_typedefs.h" ++ ++#endif /* __NAND_DEF_H__ */ +--- /dev/null ++++ b/drivers/mtd/nand/nand_device_list.h +@@ -0,0 +1,55 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ */ ++/* MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++#ifndef __NAND_DEVICE_LIST_H__ ++#define __NAND_DEVICE_LIST_H__ ++ ++static const flashdev_info gen_FlashTable[]={ ++ {0x20BC, 0x105554, 5, 16, 512, 128, 2048, 64, 0x1123, "EHD013151MA_5", 0}, ++ {0xECBC, 0x005554, 5, 16, 512, 128, 2048, 64, 0x1123, "K524G2GACB_A0", 0}, ++ {0x2CBC, 0x905556, 5, 16, 512, 128, 2048, 64, 0x21044333, "MT29C4G96MAZA", 0}, ++ {0xADBC, 0x905554, 5, 16, 512, 128, 2048, 64, 0x10801011, "H9DA4GH4JJAMC", 0}, ++ {0x01F1, 0x801D01, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "S34ML01G100TF", 0}, ++ {0x92F1, 0x8095FF, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81A", 0}, ++ {0xECD3, 0x519558, 5, 8, 1024, 128, 2048, 64, 0x44333, "K9K8G8000", 0}, ++ {0xC2F1, 0x801DC2, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "MX30LF1G08AA", 0}, ++ {0x98D3, 0x902676, 5, 8, 1024, 256, 4096, 224, 0x00C25332, "TC58NVG3S0F", 0}, ++ {0x01DA, 0x909546, 5, 8, 256, 128, 2048, 128, 0x30C77fff, "S34ML02G200TF", 0}, ++ {0x01DC, 0x909556, 5, 8, 512, 128, 2048, 128, 0x30C77fff, "S34ML04G200TF", 0}, ++ {0x0000, 0x000000, 0, 0, 0, 0, 0, 0, 0, "xxxxxxxxxx", 0}, ++}; ++ ++ ++#endif +--- /dev/null ++++ b/drivers/mtd/nand/partition.h +@@ -0,0 +1,115 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ */ ++/* MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/nand.h> ++#include <linux/mtd/partitions.h> ++ ++#define RECONFIG_PARTITION_SIZE 1 ++ ++#define MTD_BOOT_PART_SIZE 0x80000 ++#define MTD_CONFIG_PART_SIZE 0x20000 ++#define MTD_FACTORY_PART_SIZE 0x20000 ++ ++extern unsigned int CFG_BLOCKSIZE; ++#define LARGE_MTD_BOOT_PART_SIZE (CFG_BLOCKSIZE<<2) ++#define LARGE_MTD_CONFIG_PART_SIZE (CFG_BLOCKSIZE<<2) ++#define LARGE_MTD_FACTORY_PART_SIZE (CFG_BLOCKSIZE<<1) ++ ++/*=======================================================================*/ ++/* NAND PARTITION Mapping */ ++/*=======================================================================*/ ++//#ifdef CONFIG_MTD_PARTITIONS ++static struct mtd_partition g_pasStatic_Partition[] = { ++ { ++ name: "ALL", ++ size: MTDPART_SIZ_FULL, ++ offset: 0, ++ }, ++ /* Put your own partition definitions here */ ++ { ++ name: "Bootloader", ++ size: MTD_BOOT_PART_SIZE, ++ offset: 0, ++ }, { ++ name: "Config", ++ size: MTD_CONFIG_PART_SIZE, ++ offset: MTDPART_OFS_APPEND ++ }, { ++ name: "Factory", ++ size: MTD_FACTORY_PART_SIZE, ++ offset: MTDPART_OFS_APPEND ++#ifdef CONFIG_RT2880_ROOTFS_IN_FLASH ++ }, { ++ name: "Kernel", ++ size: MTD_KERN_PART_SIZE, ++ offset: MTDPART_OFS_APPEND, ++ }, { ++ name: "RootFS", ++ size: MTD_ROOTFS_PART_SIZE, ++ offset: MTDPART_OFS_APPEND, ++#ifdef CONFIG_ROOTFS_IN_FLASH_NO_PADDING ++ }, { ++ name: "Kernel_RootFS", ++ size: MTD_KERN_PART_SIZE + MTD_ROOTFS_PART_SIZE, ++ offset: MTD_BOOT_PART_SIZE + MTD_CONFIG_PART_SIZE + MTD_FACTORY_PART_SIZE, ++#endif ++#else //CONFIG_RT2880_ROOTFS_IN_RAM ++ }, { ++ name: "Kernel", ++ size: 0x10000, ++ offset: MTDPART_OFS_APPEND, ++#endif ++#ifdef CONFIG_DUAL_IMAGE ++ }, { ++ name: "Kernel2", ++ size: MTD_KERN2_PART_SIZE, ++ offset: MTD_KERN2_PART_OFFSET, ++#ifdef CONFIG_RT2880_ROOTFS_IN_FLASH ++ }, { ++ name: "RootFS2", ++ size: MTD_ROOTFS2_PART_SIZE, ++ offset: MTD_ROOTFS2_PART_OFFSET, ++#endif ++#endif ++ } ++ ++}; ++ ++#define NUM_PARTITIONS ARRAY_SIZE(g_pasStatic_Partition) ++extern int part_num; // = NUM_PARTITIONS; ++//#endif ++#undef RECONFIG_PARTITION_SIZE ++ diff --git a/target/linux/ramips/patches-3.18/0046-DT-Add-documentation-for-gpio-ralink.patch b/target/linux/ramips/patches-3.18/0046-DT-Add-documentation-for-gpio-ralink.patch new file mode 100644 index 0000000000..4c869eb858 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0046-DT-Add-documentation-for-gpio-ralink.patch @@ -0,0 +1,59 @@ +From 6827bd971fc4f323fc91e4506771a13b827c49a3 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 28 Jul 2013 19:45:30 +0200 +Subject: [PATCH 46/57] DT: Add documentation for gpio-ralink + +Describe gpio-ralink binding. + +Signed-off-by: John Crispin <blogic@openwrt.org> +Cc: linux-mips@linux-mips.org +Cc: devicetree@vger.kernel.org +Cc: linux-gpio@vger.kernel.org +--- + .../devicetree/bindings/gpio/gpio-ralink.txt | 40 ++++++++++++++++++++ + 1 file changed, 40 insertions(+) + create mode 100644 Documentation/devicetree/bindings/gpio/gpio-ralink.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt +@@ -0,0 +1,40 @@ ++Ralink SoC GPIO controller bindings ++ ++Required properties: ++- compatible: ++ - "ralink,rt2880-gpio" for Ralink controllers ++- #gpio-cells : Should be two. ++ - first cell is the pin number ++ - second cell is used to specify optional parameters (unused) ++- gpio-controller : Marks the device node as a GPIO controller ++- reg : Physical base address and length of the controller's registers ++- interrupt-parent: phandle to the INTC device node ++- interrupts : Specify the INTC interrupt number ++- ralink,num-gpios : Specify the number of GPIOs ++- ralink,register-map : The register layout depends on the GPIO bank and actual ++ SoC type. Register offsets need to be in this order. ++ [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ] ++ ++Optional properties: ++- ralink,gpio-base : Specify the GPIO chips base number ++ ++Example: ++ ++ gpio0: gpio@600 { ++ compatible = "ralink,rt5350-gpio", "ralink,rt2880-gpio"; ++ ++ #gpio-cells = <2>; ++ gpio-controller; ++ ++ reg = <0x600 0x34>; ++ ++ interrupt-parent = <&intc>; ++ interrupts = <6>; ++ ++ ralink,gpio-base = <0>; ++ ralink,num-gpios = <24>; ++ ralink,register-map = [ 00 04 08 0c ++ 20 24 28 2c ++ 30 34 ]; ++ ++ }; diff --git a/target/linux/ramips/patches-3.18/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch b/target/linux/ramips/patches-3.18/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch new file mode 100644 index 0000000000..a742e0b10d --- /dev/null +++ b/target/linux/ramips/patches-3.18/0047-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch @@ -0,0 +1,430 @@ +From 4b23ed96930650076caa524ffdde898cb937bdaa Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 4 Aug 2014 20:36:29 +0200 +Subject: [PATCH 47/57] GPIO: MIPS: ralink: add gpio driver for ralink SoC + +Add gpio driver for Ralink SoC. This driver makes the gpio core on +RT2880, RT305x, rt3352, rt3662, rt3883, rt5350 and mt7620 work. + +Signed-off-by: John Crispin <blogic@openwrt.org> +Cc: linux-mips@linux-mips.org +Cc: linux-gpio@vger.kernel.org +--- + arch/mips/include/asm/mach-ralink/gpio.h | 24 +++ + drivers/gpio/Kconfig | 6 + + drivers/gpio/Makefile | 1 + + drivers/gpio/gpio-ralink.c | 345 ++++++++++++++++++++++++++++++ + 4 files changed, 376 insertions(+) + create mode 100644 arch/mips/include/asm/mach-ralink/gpio.h + create mode 100644 drivers/gpio/gpio-ralink.c + +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/gpio.h +@@ -0,0 +1,24 @@ ++/* ++ * Ralink SoC GPIO API support ++ * ++ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ */ ++ ++#ifndef __ASM_MACH_RALINK_GPIO_H ++#define __ASM_MACH_RALINK_GPIO_H ++ ++#define ARCH_NR_GPIOS 128 ++#include <asm-generic/gpio.h> ++ ++#define gpio_get_value __gpio_get_value ++#define gpio_set_value __gpio_set_value ++#define gpio_cansleep __gpio_cansleep ++#define gpio_to_irq __gpio_to_irq ++ ++#endif /* __ASM_MACH_RALINK_GPIO_H */ +--- a/drivers/gpio/Kconfig ++++ b/drivers/gpio/Kconfig +@@ -288,6 +288,12 @@ config GPIO_SCH311X + To compile this driver as a module, choose M here: the module will + be called gpio-sch311x. + ++config GPIO_RALINK ++ bool "Ralink GPIO Support" ++ depends on RALINK ++ help ++ Say yes here to support the Ralink SoC GPIO device ++ + config GPIO_SPEAR_SPICS + bool "ST SPEAr13xx SPI Chip Select as GPIO support" + depends on PLAT_SPEAR +--- a/drivers/gpio/Makefile ++++ b/drivers/gpio/Makefile +@@ -67,6 +67,7 @@ obj-$(CONFIG_GPIO_PCF857X) += gpio-pcf85 + obj-$(CONFIG_GPIO_PCH) += gpio-pch.o + obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o + obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o ++obj-$(CONFIG_GPIO_RALINK) += gpio-ralink.o + obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o + obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o + obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o +--- /dev/null ++++ b/drivers/gpio/gpio-ralink.c +@@ -0,0 +1,355 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/module.h> ++#include <linux/io.h> ++#include <linux/gpio.h> ++#include <linux/spinlock.h> ++#include <linux/platform_device.h> ++#include <linux/of_irq.h> ++#include <linux/irqdomain.h> ++#include <linux/interrupt.h> ++ ++enum ralink_gpio_reg { ++ GPIO_REG_INT = 0, ++ GPIO_REG_EDGE, ++ GPIO_REG_RENA, ++ GPIO_REG_FENA, ++ GPIO_REG_DATA, ++ GPIO_REG_DIR, ++ GPIO_REG_POL, ++ GPIO_REG_SET, ++ GPIO_REG_RESET, ++ GPIO_REG_TOGGLE, ++ GPIO_REG_MAX ++}; ++ ++struct ralink_gpio_chip { ++ struct gpio_chip chip; ++ u8 regs[GPIO_REG_MAX]; ++ ++ spinlock_t lock; ++ void __iomem *membase; ++ struct irq_domain *domain; ++ int irq; ++ ++ u32 rising; ++ u32 falling; ++}; ++ ++#define MAP_MAX 4 ++static struct irq_domain *irq_map[MAP_MAX]; ++static int irq_map_count; ++static atomic_t irq_refcount = ATOMIC_INIT(0); ++ ++static inline struct ralink_gpio_chip *to_ralink_gpio(struct gpio_chip *chip) ++{ ++ struct ralink_gpio_chip *rg; ++ ++ rg = container_of(chip, struct ralink_gpio_chip, chip); ++ ++ return rg; ++} ++ ++static inline void rt_gpio_w32(struct ralink_gpio_chip *rg, u8 reg, u32 val) ++{ ++ iowrite32(val, rg->membase + rg->regs[reg]); ++} ++ ++static inline u32 rt_gpio_r32(struct ralink_gpio_chip *rg, u8 reg) ++{ ++ return ioread32(rg->membase + rg->regs[reg]); ++} ++ ++static void ralink_gpio_set(struct gpio_chip *chip, unsigned offset, int value) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ ++ rt_gpio_w32(rg, (value) ? GPIO_REG_SET : GPIO_REG_RESET, BIT(offset)); ++} ++ ++static int ralink_gpio_get(struct gpio_chip *chip, unsigned offset) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ ++ return !!(rt_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset)); ++} ++ ++static int ralink_gpio_direction_input(struct gpio_chip *chip, unsigned offset) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ unsigned long flags; ++ u32 t; ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ t = rt_gpio_r32(rg, GPIO_REG_DIR); ++ t &= ~BIT(offset); ++ rt_gpio_w32(rg, GPIO_REG_DIR, t); ++ spin_unlock_irqrestore(&rg->lock, flags); ++ ++ return 0; ++} ++ ++static int ralink_gpio_direction_output(struct gpio_chip *chip, ++ unsigned offset, int value) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ unsigned long flags; ++ u32 t; ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ ralink_gpio_set(chip, offset, value); ++ t = rt_gpio_r32(rg, GPIO_REG_DIR); ++ t |= BIT(offset); ++ rt_gpio_w32(rg, GPIO_REG_DIR, t); ++ spin_unlock_irqrestore(&rg->lock, flags); ++ ++ return 0; ++} ++ ++static int ralink_gpio_to_irq(struct gpio_chip *chip, unsigned pin) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ ++ if (rg->irq < 1) ++ return -1; ++ ++ return irq_create_mapping(rg->domain, pin); ++} ++ ++static void ralink_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) ++{ ++ int i; ++ ++ for (i = 0; i < irq_map_count; i++) { ++ struct irq_domain *domain = irq_map[i]; ++ struct ralink_gpio_chip *rg; ++ unsigned long pending; ++ int bit; ++ ++ rg = (struct ralink_gpio_chip *) domain->host_data; ++ pending = rt_gpio_r32(rg, GPIO_REG_INT); ++ ++ for_each_set_bit(bit, &pending, rg->chip.ngpio) { ++ u32 map = irq_find_mapping(domain, bit); ++ generic_handle_irq(map); ++ rt_gpio_w32(rg, GPIO_REG_INT, BIT(bit)); ++ } ++ } ++} ++ ++static void ralink_gpio_irq_unmask(struct irq_data *d) ++{ ++ struct ralink_gpio_chip *rg; ++ unsigned long flags; ++ u32 rise, fall; ++ ++ rg = (struct ralink_gpio_chip *) d->domain->host_data; ++ rise = rt_gpio_r32(rg, GPIO_REG_RENA); ++ fall = rt_gpio_r32(rg, GPIO_REG_FENA); ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ rt_gpio_w32(rg, GPIO_REG_RENA, rise | (BIT(d->hwirq) & rg->rising)); ++ rt_gpio_w32(rg, GPIO_REG_FENA, fall | (BIT(d->hwirq) & rg->falling)); ++ spin_unlock_irqrestore(&rg->lock, flags); ++} ++ ++static void ralink_gpio_irq_mask(struct irq_data *d) ++{ ++ struct ralink_gpio_chip *rg; ++ unsigned long flags; ++ u32 rise, fall; ++ ++ rg = (struct ralink_gpio_chip *) d->domain->host_data; ++ rise = rt_gpio_r32(rg, GPIO_REG_RENA); ++ fall = rt_gpio_r32(rg, GPIO_REG_FENA); ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ rt_gpio_w32(rg, GPIO_REG_FENA, fall & ~BIT(d->hwirq)); ++ rt_gpio_w32(rg, GPIO_REG_RENA, rise & ~BIT(d->hwirq)); ++ spin_unlock_irqrestore(&rg->lock, flags); ++} ++ ++static int ralink_gpio_irq_type(struct irq_data *d, unsigned int type) ++{ ++ struct ralink_gpio_chip *rg; ++ u32 mask = BIT(d->hwirq); ++ ++ rg = (struct ralink_gpio_chip *) d->domain->host_data; ++ ++ if (type == IRQ_TYPE_PROBE) { ++ if ((rg->rising | rg->falling) & mask) ++ return 0; ++ ++ type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING; ++ } ++ ++ if (type & IRQ_TYPE_EDGE_RISING) ++ rg->rising |= mask; ++ else ++ rg->rising &= ~mask; ++ ++ if (type & IRQ_TYPE_EDGE_FALLING) ++ rg->falling |= mask; ++ else ++ rg->falling &= ~mask; ++ ++ return 0; ++} ++ ++static struct irq_chip ralink_gpio_irq_chip = { ++ .name = "GPIO", ++ .irq_unmask = ralink_gpio_irq_unmask, ++ .irq_mask = ralink_gpio_irq_mask, ++ .irq_mask_ack = ralink_gpio_irq_mask, ++ .irq_set_type = ralink_gpio_irq_type, ++}; ++ ++static int gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) ++{ ++ irq_set_chip_and_handler(irq, &ralink_gpio_irq_chip, handle_level_irq); ++ irq_set_handler_data(irq, d); ++ ++ return 0; ++} ++ ++static const struct irq_domain_ops irq_domain_ops = { ++ .xlate = irq_domain_xlate_onecell, ++ .map = gpio_map, ++}; ++ ++static void ralink_gpio_irq_init(struct device_node *np, ++ struct ralink_gpio_chip *rg) ++{ ++ if (irq_map_count >= MAP_MAX) ++ return; ++ ++ rg->irq = irq_of_parse_and_map(np, 0); ++ if (!rg->irq) ++ return; ++ ++ rg->domain = irq_domain_add_linear(np, rg->chip.ngpio, ++ &irq_domain_ops, rg); ++ if (!rg->domain) { ++ dev_err(rg->chip.dev, "irq_domain_add_linear failed\n"); ++ return; ++ } ++ ++ irq_map[irq_map_count++] = rg->domain; ++ ++ rt_gpio_w32(rg, GPIO_REG_RENA, 0x0); ++ rt_gpio_w32(rg, GPIO_REG_FENA, 0x0); ++ ++ if (!atomic_read(&irq_refcount)) ++ irq_set_chained_handler(rg->irq, ralink_gpio_irq_handler); ++ atomic_inc(&irq_refcount); ++ ++ dev_info(rg->chip.dev, "registering %d irq handlers\n", rg->chip.ngpio); ++} ++ ++static int ralink_gpio_request(struct gpio_chip *chip, unsigned offset) ++{ ++ int gpio = chip->base + offset; ++ ++ return pinctrl_request_gpio(gpio); ++} ++ ++static void ralink_gpio_free(struct gpio_chip *chip, unsigned offset) ++{ ++ int gpio = chip->base + offset; ++ ++ pinctrl_free_gpio(gpio); ++} ++ ++static int ralink_gpio_probe(struct platform_device *pdev) ++{ ++ struct device_node *np = pdev->dev.of_node; ++ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ struct ralink_gpio_chip *rg; ++ const __be32 *ngpio, *gpiobase; ++ ++ if (!res) { ++ dev_err(&pdev->dev, "failed to find resource\n"); ++ return -ENOMEM; ++ } ++ ++ rg = devm_kzalloc(&pdev->dev, ++ sizeof(struct ralink_gpio_chip), GFP_KERNEL); ++ if (!rg) ++ return -ENOMEM; ++ ++ rg->membase = devm_ioremap_resource(&pdev->dev, res); ++ if (!rg->membase) { ++ dev_err(&pdev->dev, "cannot remap I/O memory region\n"); ++ return -ENOMEM; ++ } ++ ++ if (of_property_read_u8_array(np, "ralink,register-map", ++ rg->regs, GPIO_REG_MAX)) { ++ dev_err(&pdev->dev, "failed to read register definition\n"); ++ return -EINVAL; ++ } ++ ++ ngpio = of_get_property(np, "ralink,num-gpios", NULL); ++ if (!ngpio) { ++ dev_err(&pdev->dev, "failed to read number of pins\n"); ++ return -EINVAL; ++ } ++ ++ gpiobase = of_get_property(np, "ralink,gpio-base", NULL); ++ if (gpiobase) ++ rg->chip.base = be32_to_cpu(*gpiobase); ++ else ++ rg->chip.base = -1; ++ ++ spin_lock_init(&rg->lock); ++ ++ rg->chip.dev = &pdev->dev; ++ rg->chip.label = dev_name(&pdev->dev); ++ rg->chip.of_node = np; ++ rg->chip.ngpio = be32_to_cpu(*ngpio); ++ rg->chip.direction_input = ralink_gpio_direction_input; ++ rg->chip.direction_output = ralink_gpio_direction_output; ++ rg->chip.get = ralink_gpio_get; ++ rg->chip.set = ralink_gpio_set; ++ rg->chip.request = ralink_gpio_request; ++ rg->chip.to_irq = ralink_gpio_to_irq; ++ rg->chip.free = ralink_gpio_free; ++ ++ /* set polarity to low for all lines */ ++ rt_gpio_w32(rg, GPIO_REG_POL, 0); ++ ++ dev_info(&pdev->dev, "registering %d gpios\n", rg->chip.ngpio); ++ ++ ralink_gpio_irq_init(np, rg); ++ ++ return gpiochip_add(&rg->chip); ++} ++ ++static const struct of_device_id ralink_gpio_match[] = { ++ { .compatible = "ralink,rt2880-gpio" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, ralink_gpio_match); ++ ++static struct platform_driver ralink_gpio_driver = { ++ .probe = ralink_gpio_probe, ++ .driver = { ++ .name = "rt2880_gpio", ++ .owner = THIS_MODULE, ++ .of_match_table = ralink_gpio_match, ++ }, ++}; ++ ++static int __init ralink_gpio_init(void) ++{ ++ return platform_driver_register(&ralink_gpio_driver); ++} ++ ++subsys_initcall(ralink_gpio_init); diff --git a/target/linux/ramips/patches-3.18/0048-GPIO-ralink-add-mt7621-gpio-controller.patch b/target/linux/ramips/patches-3.18/0048-GPIO-ralink-add-mt7621-gpio-controller.patch new file mode 100644 index 0000000000..2f44f98879 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0048-GPIO-ralink-add-mt7621-gpio-controller.patch @@ -0,0 +1,230 @@ +From 8481cdf6f96dc16cbcc129d046c021d17a891274 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 11:00:32 +0100 +Subject: [PATCH 48/57] GPIO: ralink: add mt7621 gpio controller + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/Kconfig | 3 + + drivers/gpio/Kconfig | 6 ++ + drivers/gpio/Makefile | 1 + + drivers/gpio/gpio-mt7621.c | 177 ++++++++++++++++++++++++++++++++++++++++++++ + 4 files changed, 187 insertions(+) + create mode 100644 drivers/gpio/gpio-mt7621.c + +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -455,6 +455,9 @@ config RALINK + select RESET_CONTROLLER + select PINCTRL + select PINCTRL_RT2880 ++ select ARCH_HAS_RESET_CONTROLLER ++ select RESET_CONTROLLER ++ select ARCH_REQUIRE_GPIOLIB + + config SGI_IP22 + bool "SGI IP22 (Indy/Indigo2)" +--- a/drivers/gpio/Kconfig ++++ b/drivers/gpio/Kconfig +@@ -898,6 +898,12 @@ config GPIO_BCM_KONA + help + Turn on GPIO support for Broadcom "Kona" chips. + ++config GPIO_MT7621 ++ bool "Mediatek GPIO Support" ++ depends on SOC_MT7620 || SOC_MT7621 ++ help ++ Say yes here to support the Mediatek SoC GPIO device ++ + comment "USB GPIO expanders:" + + config GPIO_VIPERBOARD +--- a/drivers/gpio/Makefile ++++ b/drivers/gpio/Makefile +@@ -107,3 +107,5 @@ obj-$(CONFIG_GPIO_XILINX) += gpio-xilinx + obj-$(CONFIG_GPIO_XTENSA) += gpio-xtensa.o + obj-$(CONFIG_GPIO_ZEVIO) += gpio-zevio.o + obj-$(CONFIG_GPIO_ZYNQ) += gpio-zynq.o ++obj-$(CONFIG_GPIO_MT7621) += gpio-mt7621.o ++ +--- /dev/null ++++ b/drivers/gpio/gpio-mt7621.c +@@ -0,0 +1,178 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/io.h> ++#include <linux/err.h> ++#include <linux/gpio.h> ++#include <linux/module.h> ++#include <linux/of_irq.h> ++#include <linux/spinlock.h> ++#include <linux/irqdomain.h> ++#include <linux/interrupt.h> ++#include <linux/platform_device.h> ++ ++#define MTK_BANK_WIDTH 32 ++ ++enum mediatek_gpio_reg { ++ GPIO_REG_CTRL = 0, ++ GPIO_REG_POL, ++ GPIO_REG_DATA, ++ GPIO_REG_DSET, ++ GPIO_REG_DCLR, ++}; ++ ++static void __iomem *mtk_gc_membase; ++ ++struct mtk_gc { ++ struct gpio_chip chip; ++ spinlock_t lock; ++ int bank; ++}; ++ ++static inline struct mtk_gc ++*to_mediatek_gpio(struct gpio_chip *chip) ++{ ++ struct mtk_gc *mgc; ++ ++ mgc = container_of(chip, struct mtk_gc, chip); ++ ++ return mgc; ++} ++ ++static inline void ++mtk_gpio_w32(struct mtk_gc *rg, u8 reg, u32 val) ++{ ++ iowrite32(val, mtk_gc_membase + (reg * 0x10) + (rg->bank * 0x4)); ++} ++ ++static inline u32 ++mtk_gpio_r32(struct mtk_gc *rg, u8 reg) ++{ ++ return ioread32(mtk_gc_membase + (reg * 0x10) + (rg->bank * 0x4)); ++} ++ ++static void ++mediatek_gpio_set(struct gpio_chip *chip, unsigned offset, int value) ++{ ++ struct mtk_gc *rg = to_mediatek_gpio(chip); ++ ++ mtk_gpio_w32(rg, (value) ? GPIO_REG_DSET : GPIO_REG_DCLR, BIT(offset)); ++} ++ ++static int ++mediatek_gpio_get(struct gpio_chip *chip, unsigned offset) ++{ ++ struct mtk_gc *rg = to_mediatek_gpio(chip); ++ ++ return !!(mtk_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset)); ++} ++ ++static int ++mediatek_gpio_direction_input(struct gpio_chip *chip, unsigned offset) ++{ ++ struct mtk_gc *rg = to_mediatek_gpio(chip); ++ unsigned long flags; ++ u32 t; ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ t = mtk_gpio_r32(rg, GPIO_REG_CTRL); ++ t &= ~BIT(offset); ++ mtk_gpio_w32(rg, GPIO_REG_CTRL, t); ++ spin_unlock_irqrestore(&rg->lock, flags); ++ ++ return 0; ++} ++ ++static int ++mediatek_gpio_direction_output(struct gpio_chip *chip, ++ unsigned offset, int value) ++{ ++ struct mtk_gc *rg = to_mediatek_gpio(chip); ++ unsigned long flags; ++ u32 t; ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ t = mtk_gpio_r32(rg, GPIO_REG_CTRL); ++ t |= BIT(offset); ++ mtk_gpio_w32(rg, GPIO_REG_CTRL, t); ++ mediatek_gpio_set(chip, offset, value); ++ spin_unlock_irqrestore(&rg->lock, flags); ++ ++ return 0; ++} ++ ++static int ++mediatek_gpio_bank_probe(struct platform_device *pdev, struct device_node *bank) ++{ ++ const __be32 *id = of_get_property(bank, "reg", NULL); ++ struct mtk_gc *rg = devm_kzalloc(&pdev->dev, ++ sizeof(struct mtk_gc), GFP_KERNEL); ++ if (!rg || !id) ++ return -ENOMEM; ++ ++ spin_lock_init(&rg->lock); ++ ++ rg->chip.dev = &pdev->dev; ++ rg->chip.label = dev_name(&pdev->dev); ++ rg->chip.of_node = bank; ++ rg->chip.base = MTK_BANK_WIDTH * be32_to_cpu(*id); ++ rg->chip.ngpio = MTK_BANK_WIDTH; ++ rg->chip.direction_input = mediatek_gpio_direction_input; ++ rg->chip.direction_output = mediatek_gpio_direction_output; ++ rg->chip.get = mediatek_gpio_get; ++ rg->chip.set = mediatek_gpio_set; ++ rg->bank = be32_to_cpu(*id); ++ ++ /* set polarity to low for all gpios */ ++ mtk_gpio_w32(rg, GPIO_REG_POL, 0); ++ ++ dev_info(&pdev->dev, "registering %d gpios\n", rg->chip.ngpio); ++ ++ return gpiochip_add(&rg->chip); ++} ++ ++static int ++mediatek_gpio_probe(struct platform_device *pdev) ++{ ++ struct device_node *bank, *np = pdev->dev.of_node; ++ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ ++ mtk_gc_membase = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(mtk_gc_membase)) ++ return PTR_ERR(mtk_gc_membase); ++ ++ for_each_child_of_node(np, bank) ++ if (of_device_is_compatible(bank, "mtk,mt7621-gpio-bank")) ++ mediatek_gpio_bank_probe(pdev, bank); ++ ++ return 0; ++} ++ ++static const struct of_device_id mediatek_gpio_match[] = { ++ { .compatible = "mtk,mt7621-gpio" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mediatek_gpio_match); ++ ++static struct platform_driver mediatek_gpio_driver = { ++ .probe = mediatek_gpio_probe, ++ .driver = { ++ .name = "mt7621_gpio", ++ .owner = THIS_MODULE, ++ .of_match_table = mediatek_gpio_match, ++ }, ++}; ++ ++static int __init ++mediatek_gpio_init(void) ++{ ++ return platform_driver_register(&mediatek_gpio_driver); ++} ++ ++subsys_initcall(mediatek_gpio_init); diff --git a/target/linux/ramips/patches-3.18/0049-DT-Add-documentation-for-spi-rt2880.patch b/target/linux/ramips/patches-3.18/0049-DT-Add-documentation-for-spi-rt2880.patch new file mode 100644 index 0000000000..23a6b3eadc --- /dev/null +++ b/target/linux/ramips/patches-3.18/0049-DT-Add-documentation-for-spi-rt2880.patch @@ -0,0 +1,44 @@ +From 6ed8d03e5f4283b60dffea5c10ff1484141824e7 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Fri, 9 Aug 2013 20:12:59 +0200 +Subject: [PATCH 49/57] DT: Add documentation for spi-rt2880 + +Describe the SPI master found on the MIPS based Ralink RT2880 SoC. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + .../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++ + 1 file changed, 28 insertions(+) + create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt +@@ -0,0 +1,28 @@ ++Ralink SoC RT2880 SPI master controller. ++ ++This SPI controller is found on most wireless SoCs made by ralink. ++ ++Required properties: ++- compatible : "ralink,rt2880-spi" ++- reg : The register base for the controller. ++- #address-cells : <1>, as required by generic SPI binding. ++- #size-cells : <0>, also as required by generic SPI binding. ++ ++Child nodes as per the generic SPI binding. ++ ++Example: ++ ++ spi@b00 { ++ compatible = "ralink,rt2880-spi"; ++ reg = <0xb00 0x100>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ m25p80@0 { ++ compatible = "m25p80"; ++ reg = <0>; ++ spi-max-frequency = <10000000>; ++ }; ++ }; ++ diff --git a/target/linux/ramips/patches-3.18/0050-SPI-ralink-add-Ralink-SoC-spi-driver.patch b/target/linux/ramips/patches-3.18/0050-SPI-ralink-add-Ralink-SoC-spi-driver.patch new file mode 100644 index 0000000000..cb691f3365 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0050-SPI-ralink-add-Ralink-SoC-spi-driver.patch @@ -0,0 +1,476 @@ +From fc006d0622ab8c43086b2c9018c03012db332033 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 11:15:12 +0100 +Subject: [PATCH 50/57] SPI: ralink: add Ralink SoC spi driver + +Add the driver needed to make SPI work on Ralink SoC. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +Acked-by: John Crispin <blogic@openwrt.org> +--- + drivers/spi/Kconfig | 6 + + drivers/spi/Makefile | 1 + + drivers/spi/spi-rt2880.c | 432 ++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 439 insertions(+) + create mode 100644 drivers/spi/spi-rt2880.c + +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -433,6 +433,12 @@ config SPI_QUP + This driver can also be built as a module. If so, the module + will be called spi_qup. + ++config SPI_RT2880 ++ tristate "Ralink RT288x SPI Controller" ++ depends on RALINK ++ help ++ This selects a driver for the Ralink RT288x/RT305x SPI Controller. ++ + config SPI_S3C24XX + tristate "Samsung S3C24XX series SPI" + depends on ARCH_S3C24XX +--- a/drivers/spi/Makefile ++++ b/drivers/spi/Makefile +@@ -65,6 +65,7 @@ obj-$(CONFIG_SPI_PXA2XX_PCI) += spi-pxa + obj-$(CONFIG_SPI_QUP) += spi-qup.o + obj-$(CONFIG_SPI_ROCKCHIP) += spi-rockchip.o + obj-$(CONFIG_SPI_RSPI) += spi-rspi.o ++obj-$(CONFIG_SPI_RT2880) += spi-rt2880.o + obj-$(CONFIG_SPI_S3C24XX) += spi-s3c24xx-hw.o + spi-s3c24xx-hw-y := spi-s3c24xx.o + spi-s3c24xx-hw-$(CONFIG_SPI_S3C24XX_FIQ) += spi-s3c24xx-fiq.o +--- /dev/null ++++ b/drivers/spi/spi-rt2880.c +@@ -0,0 +1,432 @@ ++/* ++ * spi-rt2880.c -- Ralink RT288x/RT305x SPI controller driver ++ * ++ * Copyright (C) 2011 Sergiy <piratfm@gmail.com> ++ * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org> ++ * ++ * Some parts are based on spi-orion.c: ++ * Author: Shadi Ammouri <shadi@marvell.com> ++ * Copyright (C) 2007-2008 Marvell Ltd. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/clk.h> ++#include <linux/err.h> ++#include <linux/delay.h> ++#include <linux/io.h> ++#include <linux/reset.h> ++#include <linux/spi/spi.h> ++#include <linux/platform_device.h> ++ ++#define DRIVER_NAME "spi-rt2880" ++/* only one slave is supported*/ ++#define RALINK_NUM_CHIPSELECTS 1 ++/* in usec */ ++#define RALINK_SPI_WAIT_MAX_LOOP 2000 ++ ++#define RAMIPS_SPI_STAT 0x00 ++#define RAMIPS_SPI_CFG 0x10 ++#define RAMIPS_SPI_CTL 0x14 ++#define RAMIPS_SPI_DATA 0x20 ++#define RAMIPS_SPI_FIFO_STAT 0x38 ++ ++/* SPISTAT register bit field */ ++#define SPISTAT_BUSY BIT(0) ++ ++/* SPICFG register bit field */ ++#define SPICFG_LSBFIRST 0 ++#define SPICFG_MSBFIRST BIT(8) ++#define SPICFG_SPICLKPOL BIT(6) ++#define SPICFG_RXCLKEDGE_FALLING BIT(5) ++#define SPICFG_TXCLKEDGE_FALLING BIT(4) ++#define SPICFG_SPICLK_PRESCALE_MASK 0x7 ++#define SPICFG_SPICLK_DIV2 0 ++#define SPICFG_SPICLK_DIV4 1 ++#define SPICFG_SPICLK_DIV8 2 ++#define SPICFG_SPICLK_DIV16 3 ++#define SPICFG_SPICLK_DIV32 4 ++#define SPICFG_SPICLK_DIV64 5 ++#define SPICFG_SPICLK_DIV128 6 ++#define SPICFG_SPICLK_DISABLE 7 ++ ++/* SPICTL register bit field */ ++#define SPICTL_HIZSDO BIT(3) ++#define SPICTL_STARTWR BIT(2) ++#define SPICTL_STARTRD BIT(1) ++#define SPICTL_SPIENA BIT(0) ++ ++/* SPIFIFOSTAT register bit field */ ++#define SPIFIFOSTAT_TXFULL BIT(17) ++ ++struct rt2880_spi { ++ struct spi_master *master; ++ void __iomem *base; ++ unsigned int sys_freq; ++ unsigned int speed; ++ struct clk *clk; ++ spinlock_t lock; ++}; ++ ++static inline struct rt2880_spi *spidev_to_rt2880_spi(struct spi_device *spi) ++{ ++ return spi_master_get_devdata(spi->master); ++} ++ ++static inline u32 rt2880_spi_read(struct rt2880_spi *rs, u32 reg) ++{ ++ return ioread32(rs->base + reg); ++} ++ ++static inline void rt2880_spi_write(struct rt2880_spi *rs, u32 reg, u32 val) ++{ ++ iowrite32(val, rs->base + reg); ++} ++ ++static inline void rt2880_spi_setbits(struct rt2880_spi *rs, u32 reg, u32 mask) ++{ ++ void __iomem *addr = rs->base + reg; ++ unsigned long flags; ++ u32 val; ++ ++ spin_lock_irqsave(&rs->lock, flags); ++ val = ioread32(addr); ++ val |= mask; ++ iowrite32(val, addr); ++ spin_unlock_irqrestore(&rs->lock, flags); ++} ++ ++static inline void rt2880_spi_clrbits(struct rt2880_spi *rs, u32 reg, u32 mask) ++{ ++ void __iomem *addr = rs->base + reg; ++ unsigned long flags; ++ u32 val; ++ ++ spin_lock_irqsave(&rs->lock, flags); ++ val = ioread32(addr); ++ val &= ~mask; ++ iowrite32(val, addr); ++ spin_unlock_irqrestore(&rs->lock, flags); ++} ++ ++static int rt2880_spi_baudrate_set(struct spi_device *spi, unsigned int speed) ++{ ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ u32 rate; ++ u32 prescale; ++ u32 reg; ++ ++ dev_dbg(&spi->dev, "speed:%u\n", speed); ++ ++ /* ++ * the supported rates are: 2, 4, 8, ... 128 ++ * round up as we look for equal or less speed ++ */ ++ rate = DIV_ROUND_UP(rs->sys_freq, speed); ++ dev_dbg(&spi->dev, "rate-1:%u\n", rate); ++ rate = roundup_pow_of_two(rate); ++ dev_dbg(&spi->dev, "rate-2:%u\n", rate); ++ ++ /* check if requested speed is too small */ ++ if (rate > 128) ++ return -EINVAL; ++ ++ if (rate < 2) ++ rate = 2; ++ ++ /* Convert the rate to SPI clock divisor value. */ ++ prescale = ilog2(rate / 2); ++ dev_dbg(&spi->dev, "prescale:%u\n", prescale); ++ ++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG); ++ reg = ((reg & ~SPICFG_SPICLK_PRESCALE_MASK) | prescale); ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg); ++ rs->speed = speed; ++ return 0; ++} ++ ++/* ++ * called only when no transfer is active on the bus ++ */ ++static int ++rt2880_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t) ++{ ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ unsigned int speed = spi->max_speed_hz; ++ int rc; ++ ++ if ((t != NULL) && t->speed_hz) ++ speed = t->speed_hz; ++ ++ if (rs->speed != speed) { ++ dev_dbg(&spi->dev, "speed_hz:%u\n", speed); ++ rc = rt2880_spi_baudrate_set(spi, speed); ++ if (rc) ++ return rc; ++ } ++ ++ return 0; ++} ++ ++static void rt2880_spi_set_cs(struct rt2880_spi *rs, int enable) ++{ ++ if (enable) ++ rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); ++ else ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); ++} ++ ++static inline int rt2880_spi_wait_till_ready(struct rt2880_spi *rs) ++{ ++ int i; ++ ++ for (i = 0; i < RALINK_SPI_WAIT_MAX_LOOP; i++) { ++ u32 status; ++ ++ status = rt2880_spi_read(rs, RAMIPS_SPI_STAT); ++ if ((status & SPISTAT_BUSY) == 0) ++ return 0; ++ ++ cpu_relax(); ++ udelay(1); ++ } ++ ++ return -ETIMEDOUT; ++} ++ ++static unsigned int ++rt2880_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer) ++{ ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ unsigned count = 0; ++ u8 *rx = xfer->rx_buf; ++ const u8 *tx = xfer->tx_buf; ++ int err; ++ ++ dev_dbg(&spi->dev, "read (%d): %s %s\n", xfer->len, ++ (tx != NULL) ? "tx" : " ", ++ (rx != NULL) ? "rx" : " "); ++ ++ if (tx) { ++ for (count = 0; count < xfer->len; count++) { ++ rt2880_spi_write(rs, RAMIPS_SPI_DATA, tx[count]); ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTWR); ++ err = rt2880_spi_wait_till_ready(rs); ++ if (err) { ++ dev_err(&spi->dev, "TX failed, err=%d\n", err); ++ goto out; ++ } ++ } ++ } ++ ++ if (rx) { ++ for (count = 0; count < xfer->len; count++) { ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTRD); ++ err = rt2880_spi_wait_till_ready(rs); ++ if (err) { ++ dev_err(&spi->dev, "RX failed, err=%d\n", err); ++ goto out; ++ } ++ rx[count] = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA); ++ } ++ } ++ ++out: ++ return count; ++} ++ ++static int rt2880_spi_transfer_one_message(struct spi_master *master, ++ struct spi_message *m) ++{ ++ struct rt2880_spi *rs = spi_master_get_devdata(master); ++ struct spi_device *spi = m->spi; ++ struct spi_transfer *t = NULL; ++ int par_override = 0; ++ int status = 0; ++ int cs_active = 0; ++ ++ /* Load defaults */ ++ status = rt2880_spi_setup_transfer(spi, NULL); ++ if (status < 0) ++ goto msg_done; ++ ++ list_for_each_entry(t, &m->transfers, transfer_list) { ++ if (t->tx_buf == NULL && t->rx_buf == NULL && t->len) { ++ dev_err(&spi->dev, ++ "message rejected: invalid transfer data buffers\n"); ++ status = -EIO; ++ goto msg_done; ++ } ++ ++ if (t->speed_hz && t->speed_hz < (rs->sys_freq / 128)) { ++ dev_err(&spi->dev, ++ "message rejected: device min speed (%d Hz) exceeds required transfer speed (%d Hz)\n", ++ (rs->sys_freq / 128), t->speed_hz); ++ status = -EIO; ++ goto msg_done; ++ } ++ ++ if (par_override || t->speed_hz || t->bits_per_word) { ++ par_override = 1; ++ status = rt2880_spi_setup_transfer(spi, t); ++ if (status < 0) ++ goto msg_done; ++ if (!t->speed_hz && !t->bits_per_word) ++ par_override = 0; ++ } ++ ++ if (!cs_active) { ++ rt2880_spi_set_cs(rs, 1); ++ cs_active = 1; ++ } ++ ++ if (t->len) ++ m->actual_length += rt2880_spi_write_read(spi, t); ++ ++ if (t->delay_usecs) ++ udelay(t->delay_usecs); ++ ++ if (t->cs_change) { ++ rt2880_spi_set_cs(rs, 0); ++ cs_active = 0; ++ } ++ } ++ ++msg_done: ++ if (cs_active) ++ rt2880_spi_set_cs(rs, 0); ++ ++ m->status = status; ++ spi_finalize_current_message(master); ++ ++ return 0; ++} ++ ++static int rt2880_spi_setup(struct spi_device *spi) ++{ ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ ++ if ((spi->max_speed_hz == 0) || ++ (spi->max_speed_hz > (rs->sys_freq / 2))) ++ spi->max_speed_hz = (rs->sys_freq / 2); ++ ++ if (spi->max_speed_hz < (rs->sys_freq / 128)) { ++ dev_err(&spi->dev, "setup: requested speed is too low %d Hz\n", ++ spi->max_speed_hz); ++ return -EINVAL; ++ } ++ ++ /* ++ * baudrate & width will be set rt2880_spi_setup_transfer ++ */ ++ return 0; ++} ++ ++static void rt2880_spi_reset(struct rt2880_spi *rs) ++{ ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG, ++ SPICFG_MSBFIRST | SPICFG_TXCLKEDGE_FALLING | ++ SPICFG_SPICLK_DIV16 | SPICFG_SPICLKPOL); ++ rt2880_spi_write(rs, RAMIPS_SPI_CTL, SPICTL_HIZSDO | SPICTL_SPIENA); ++} ++ ++static int rt2880_spi_probe(struct platform_device *pdev) ++{ ++ struct spi_master *master; ++ struct rt2880_spi *rs; ++ unsigned long flags; ++ void __iomem *base; ++ struct resource *r; ++ int status = 0; ++ struct clk *clk; ++ ++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ base = devm_ioremap_resource(&pdev->dev, r); ++ if (IS_ERR(base)) ++ return PTR_ERR(base); ++ ++ clk = devm_clk_get(&pdev->dev, NULL); ++ if (IS_ERR(clk)) { ++ dev_err(&pdev->dev, "unable to get SYS clock, err=%d\n", ++ status); ++ return PTR_ERR(clk); ++ } ++ ++ status = clk_prepare_enable(clk); ++ if (status) ++ return status; ++ ++ master = spi_alloc_master(&pdev->dev, sizeof(*rs)); ++ if (master == NULL) { ++ dev_dbg(&pdev->dev, "master allocation failed\n"); ++ return -ENOMEM; ++ } ++ ++ /* we support only mode 0, and no options */ ++ master->mode_bits = 0; ++ ++ master->setup = rt2880_spi_setup; ++ master->transfer_one_message = rt2880_spi_transfer_one_message; ++ master->num_chipselect = RALINK_NUM_CHIPSELECTS; ++ master->bits_per_word_mask = SPI_BPW_MASK(8); ++ master->dev.of_node = pdev->dev.of_node; ++ ++ dev_set_drvdata(&pdev->dev, master); ++ ++ rs = spi_master_get_devdata(master); ++ rs->base = base; ++ rs->clk = clk; ++ rs->master = master; ++ rs->sys_freq = clk_get_rate(rs->clk); ++ dev_dbg(&pdev->dev, "sys_freq: %u\n", rs->sys_freq); ++ spin_lock_irqsave(&rs->lock, flags); ++ ++ device_reset(&pdev->dev); ++ ++ rt2880_spi_reset(rs); ++ ++ return spi_register_master(master); ++} ++ ++static int rt2880_spi_remove(struct platform_device *pdev) ++{ ++ struct spi_master *master; ++ struct rt2880_spi *rs; ++ ++ master = dev_get_drvdata(&pdev->dev); ++ rs = spi_master_get_devdata(master); ++ ++ clk_disable(rs->clk); ++ spi_unregister_master(master); ++ ++ return 0; ++} ++ ++MODULE_ALIAS("platform:" DRIVER_NAME); ++ ++static const struct of_device_id rt2880_spi_match[] = { ++ { .compatible = "ralink,rt2880-spi" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, rt2880_spi_match); ++ ++static struct platform_driver rt2880_spi_driver = { ++ .driver = { ++ .name = DRIVER_NAME, ++ .owner = THIS_MODULE, ++ .of_match_table = rt2880_spi_match, ++ }, ++ .probe = rt2880_spi_probe, ++ .remove = rt2880_spi_remove, ++}; ++ ++module_platform_driver(rt2880_spi_driver); ++ ++MODULE_DESCRIPTION("Ralink SPI driver"); ++MODULE_AUTHOR("Sergiy <piratfm@gmail.com>"); ++MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); ++MODULE_LICENSE("GPL"); diff --git a/target/linux/ramips/patches-3.18/0051-rt5350-spi-second-device.patch b/target/linux/ramips/patches-3.18/0051-rt5350-spi-second-device.patch new file mode 100644 index 0000000000..2da815136a --- /dev/null +++ b/target/linux/ramips/patches-3.18/0051-rt5350-spi-second-device.patch @@ -0,0 +1,368 @@ +From 27b11d4f1888e1a3d6d75b46d4d5a4d86fc03891 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Wed, 6 Aug 2014 10:53:40 +0200 +Subject: [PATCH 51/57] SPI: MIPS: ralink: add rt5350 dual SPI support + +Signed-off-by: John Crispin <blogic@openwrt.org> +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + drivers/spi/spi-rt2880.c | 218 +++++++++++++++++++++++++++++++++++++++++++--- + 1 file changed, 205 insertions(+), 13 deletions(-) + +--- a/drivers/spi/spi-rt2880.c ++++ b/drivers/spi/spi-rt2880.c +@@ -21,19 +21,25 @@ + #include <linux/io.h> + #include <linux/reset.h> + #include <linux/spi/spi.h> ++#include <linux/of_device.h> + #include <linux/platform_device.h> + ++#include <ralink_regs.h> ++ ++#define SPI_BPW_MASK(bits) BIT((bits) - 1) ++ + #define DRIVER_NAME "spi-rt2880" +-/* only one slave is supported*/ +-#define RALINK_NUM_CHIPSELECTS 1 + /* in usec */ + #define RALINK_SPI_WAIT_MAX_LOOP 2000 + +-#define RAMIPS_SPI_STAT 0x00 +-#define RAMIPS_SPI_CFG 0x10 +-#define RAMIPS_SPI_CTL 0x14 +-#define RAMIPS_SPI_DATA 0x20 +-#define RAMIPS_SPI_FIFO_STAT 0x38 ++#define RAMIPS_SPI_DEV_OFFSET 0x40 ++ ++#define RAMIPS_SPI_STAT(cs) (0x00 + (cs * RAMIPS_SPI_DEV_OFFSET)) ++#define RAMIPS_SPI_CFG(cs) (0x10 + (cs * RAMIPS_SPI_DEV_OFFSET)) ++#define RAMIPS_SPI_CTL(cs) (0x14 + (cs * RAMIPS_SPI_DEV_OFFSET)) ++#define RAMIPS_SPI_DATA(cs) (0x20 + (cs * RAMIPS_SPI_DEV_OFFSET)) ++#define RAMIPS_SPI_FIFO_STAT(cs) (0x38 + (cs * RAMIPS_SPI_DEV_OFFSET)) ++#define RAMIPS_SPI_ARBITER 0xF0 + + /* SPISTAT register bit field */ + #define SPISTAT_BUSY BIT(0) +@@ -63,6 +69,19 @@ + /* SPIFIFOSTAT register bit field */ + #define SPIFIFOSTAT_TXFULL BIT(17) + ++#define SPICTL_ARB_EN BIT(31) ++#define SPI1_POR BIT(1) ++#define SPI0_POR BIT(0) ++ ++#define RT2880_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | SPI_CS_HIGH) ++ ++struct rt2880_spi; ++ ++struct rt2880_spi_ops { ++ void (*init_hw)(struct rt2880_spi *rs); ++ int num_cs; ++}; ++ + struct rt2880_spi { + struct spi_master *master; + void __iomem *base; +@@ -70,6 +89,8 @@ struct rt2880_spi { + unsigned int speed; + struct clk *clk; + spinlock_t lock; ++ ++ struct rt2880_spi_ops *ops; + }; + + static inline struct rt2880_spi *spidev_to_rt2880_spi(struct spi_device *spi) +@@ -115,6 +136,7 @@ static inline void rt2880_spi_clrbits(st + + static int rt2880_spi_baudrate_set(struct spi_device *spi, unsigned int speed) + { ++ int cs = spi->chip_select; + struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); + u32 rate; + u32 prescale; +@@ -142,9 +164,9 @@ static int rt2880_spi_baudrate_set(struc + prescale = ilog2(rate / 2); + dev_dbg(&spi->dev, "prescale:%u\n", prescale); + +- reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG); ++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG(cs)); + reg = ((reg & ~SPICFG_SPICLK_PRESCALE_MASK) | prescale); +- rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg); ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG(cs), reg); + rs->speed = speed; + return 0; + } +@@ -157,7 +179,8 @@ rt2880_spi_setup_transfer(struct spi_dev + { + struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); + unsigned int speed = spi->max_speed_hz; +- int rc; ++ int rc, cs = spi->chip_select; ++ u32 reg; + + if ((t != NULL) && t->speed_hz) + speed = t->speed_hz; +@@ -169,25 +192,68 @@ rt2880_spi_setup_transfer(struct spi_dev + return rc; + } + ++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG(cs)); ++ ++ reg = (reg & ~SPICFG_MSBFIRST); ++ if (!(spi->mode & SPI_LSB_FIRST)) ++ reg |= SPICFG_MSBFIRST; ++ ++ reg = (reg & ~(SPICFG_SPICLKPOL | SPICFG_RXCLKEDGE_FALLING |SPICFG_TXCLKEDGE_FALLING)); ++ switch(spi->mode & (SPI_CPOL | SPI_CPHA)) { ++ case SPI_MODE_0: ++ reg |= SPICFG_SPICLKPOL | SPICFG_TXCLKEDGE_FALLING; ++ break; ++ case SPI_MODE_1: ++ reg |= SPICFG_SPICLKPOL | SPICFG_RXCLKEDGE_FALLING; ++ break; ++ case SPI_MODE_2: ++ reg |= SPICFG_RXCLKEDGE_FALLING; ++ break; ++ case SPI_MODE_3: ++ reg |= SPICFG_TXCLKEDGE_FALLING; ++ break; ++ } ++ ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG(cs), reg); ++ ++ reg = SPICTL_ARB_EN; ++ if (spi->mode & SPI_CS_HIGH) { ++ switch(cs) { ++ case 0: ++ reg |= SPI0_POR; ++ break; ++ case 1: ++ reg |= SPI1_POR; ++ break; ++ } ++ } ++ ++ rt2880_spi_write(rs, RAMIPS_SPI_ARBITER, reg); ++ + return 0; + } + +-static void rt2880_spi_set_cs(struct rt2880_spi *rs, int enable) ++static void rt2880_spi_set_cs(struct spi_device *spi, int enable) + { ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ int cs = spi->chip_select; ++ + if (enable) +- rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); ++ rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL(cs), SPICTL_SPIENA); + else +- rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL(cs), SPICTL_SPIENA); + } + +-static inline int rt2880_spi_wait_till_ready(struct rt2880_spi *rs) ++static inline int rt2880_spi_wait_till_ready(struct spi_device *spi) + { ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ int cs = spi->chip_select; + int i; + + for (i = 0; i < RALINK_SPI_WAIT_MAX_LOOP; i++) { + u32 status; + +- status = rt2880_spi_read(rs, RAMIPS_SPI_STAT); ++ status = rt2880_spi_read(rs, RAMIPS_SPI_STAT(cs)); + if ((status & SPISTAT_BUSY) == 0) + return 0; + +@@ -199,9 +265,10 @@ static inline int rt2880_spi_wait_till_r + } + + static unsigned int +-rt2880_spi_write_read(struct spi_device *spi, struct spi_transfer *xfer) ++rt2880_spi_write_read(struct spi_device *spi, struct list_head *list, struct spi_transfer *xfer) + { + struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ int cs = spi->chip_select; + unsigned count = 0; + u8 *rx = xfer->rx_buf; + const u8 *tx = xfer->tx_buf; +@@ -213,9 +280,9 @@ rt2880_spi_write_read(struct spi_device + + if (tx) { + for (count = 0; count < xfer->len; count++) { +- rt2880_spi_write(rs, RAMIPS_SPI_DATA, tx[count]); +- rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTWR); +- err = rt2880_spi_wait_till_ready(rs); ++ rt2880_spi_write(rs, RAMIPS_SPI_DATA(cs), tx[count]); ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL(cs), SPICTL_STARTWR); ++ err = rt2880_spi_wait_till_ready(spi); + if (err) { + dev_err(&spi->dev, "TX failed, err=%d\n", err); + goto out; +@@ -225,13 +292,13 @@ rt2880_spi_write_read(struct spi_device + + if (rx) { + for (count = 0; count < xfer->len; count++) { +- rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTRD); +- err = rt2880_spi_wait_till_ready(rs); ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL(cs), SPICTL_STARTRD); ++ err = rt2880_spi_wait_till_ready(spi); + if (err) { + dev_err(&spi->dev, "RX failed, err=%d\n", err); + goto out; + } +- rx[count] = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA); ++ rx[count] = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA(cs)); + } + } + +@@ -280,25 +347,25 @@ static int rt2880_spi_transfer_one_messa + } + + if (!cs_active) { +- rt2880_spi_set_cs(rs, 1); ++ rt2880_spi_set_cs(spi, 1); + cs_active = 1; + } + + if (t->len) +- m->actual_length += rt2880_spi_write_read(spi, t); ++ m->actual_length += rt2880_spi_write_read(spi, &m->transfers, t); + + if (t->delay_usecs) + udelay(t->delay_usecs); + + if (t->cs_change) { +- rt2880_spi_set_cs(rs, 0); ++ rt2880_spi_set_cs(spi, 0); + cs_active = 0; + } + } + + msg_done: + if (cs_active) +- rt2880_spi_set_cs(rs, 0); ++ rt2880_spi_set_cs(spi, 0); + + m->status = status; + spi_finalize_current_message(master); +@@ -311,7 +378,7 @@ static int rt2880_spi_setup(struct spi_d + struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); + + if ((spi->max_speed_hz == 0) || +- (spi->max_speed_hz > (rs->sys_freq / 2))) ++ (spi->max_speed_hz > (rs->sys_freq / 2))) + spi->max_speed_hz = (rs->sys_freq / 2); + + if (spi->max_speed_hz < (rs->sys_freq / 128)) { +@@ -328,14 +395,47 @@ static int rt2880_spi_setup(struct spi_d + + static void rt2880_spi_reset(struct rt2880_spi *rs) + { +- rt2880_spi_write(rs, RAMIPS_SPI_CFG, ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG(0), + SPICFG_MSBFIRST | SPICFG_TXCLKEDGE_FALLING | + SPICFG_SPICLK_DIV16 | SPICFG_SPICLKPOL); +- rt2880_spi_write(rs, RAMIPS_SPI_CTL, SPICTL_HIZSDO | SPICTL_SPIENA); ++ rt2880_spi_write(rs, RAMIPS_SPI_CTL(0), SPICTL_HIZSDO | SPICTL_SPIENA); + } + ++static void rt5350_spi_reset(struct rt2880_spi *rs) ++{ ++ int cs; ++ ++ rt2880_spi_write(rs, RAMIPS_SPI_ARBITER, ++ SPICTL_ARB_EN); ++ ++ for (cs = 0; cs < rs->ops->num_cs; cs++) { ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG(cs), ++ SPICFG_MSBFIRST | SPICFG_TXCLKEDGE_FALLING | ++ SPICFG_SPICLK_DIV16 | SPICFG_SPICLKPOL); ++ rt2880_spi_write(rs, RAMIPS_SPI_CTL(cs), SPICTL_HIZSDO | SPICTL_SPIENA); ++ } ++} ++ ++static struct rt2880_spi_ops spi_ops[] = { ++ { ++ .init_hw = rt2880_spi_reset, ++ .num_cs = 1, ++ }, { ++ .init_hw = rt5350_spi_reset, ++ .num_cs = 2, ++ }, ++}; ++ ++static const struct of_device_id rt2880_spi_match[] = { ++ { .compatible = "ralink,rt2880-spi", .data = &spi_ops[0]}, ++ { .compatible = "ralink,rt5350-spi", .data = &spi_ops[1]}, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, rt2880_spi_match); ++ + static int rt2880_spi_probe(struct platform_device *pdev) + { ++ const struct of_device_id *match; + struct spi_master *master; + struct rt2880_spi *rs; + unsigned long flags; +@@ -343,6 +443,12 @@ static int rt2880_spi_probe(struct platf + struct resource *r; + int status = 0; + struct clk *clk; ++ struct rt2880_spi_ops *ops; ++ ++ match = of_match_device(rt2880_spi_match, &pdev->dev); ++ if (!match) ++ return -EINVAL; ++ ops = (struct rt2880_spi_ops *)match->data; + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, r); +@@ -366,14 +472,13 @@ static int rt2880_spi_probe(struct platf + return -ENOMEM; + } + +- /* we support only mode 0, and no options */ +- master->mode_bits = 0; ++ master->mode_bits = RT2880_SPI_MODE_BITS; + + master->setup = rt2880_spi_setup; + master->transfer_one_message = rt2880_spi_transfer_one_message; +- master->num_chipselect = RALINK_NUM_CHIPSELECTS; + master->bits_per_word_mask = SPI_BPW_MASK(8); + master->dev.of_node = pdev->dev.of_node; ++ master->num_chipselect = ops->num_cs; + + dev_set_drvdata(&pdev->dev, master); + +@@ -382,12 +487,13 @@ static int rt2880_spi_probe(struct platf + rs->clk = clk; + rs->master = master; + rs->sys_freq = clk_get_rate(rs->clk); ++ rs->ops = ops; + dev_dbg(&pdev->dev, "sys_freq: %u\n", rs->sys_freq); + spin_lock_irqsave(&rs->lock, flags); + + device_reset(&pdev->dev); + +- rt2880_spi_reset(rs); ++ rs->ops->init_hw(rs); + + return spi_register_master(master); + } +@@ -408,12 +514,6 @@ static int rt2880_spi_remove(struct plat + + MODULE_ALIAS("platform:" DRIVER_NAME); + +-static const struct of_device_id rt2880_spi_match[] = { +- { .compatible = "ralink,rt2880-spi" }, +- {}, +-}; +-MODULE_DEVICE_TABLE(of, rt2880_spi_match); +- + static struct platform_driver rt2880_spi_driver = { + .driver = { + .name = DRIVER_NAME, diff --git a/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch b/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch new file mode 100644 index 0000000000..9b7fba8410 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch @@ -0,0 +1,370 @@ +From 225f36695bb07dad9510f9affd79e63f1a44a195 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:52:56 +0100 +Subject: [PATCH 52/57] i2c: MIPS: adds ralink I2C driver + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + .../devicetree/bindings/i2c/i2c-ralink.txt | 27 ++ + drivers/i2c/busses/Kconfig | 4 + + drivers/i2c/busses/Makefile | 1 + + drivers/i2c/busses/i2c-ralink.c | 274 ++++++++++++++++++++ + 4 files changed, 306 insertions(+) + create mode 100644 Documentation/devicetree/bindings/i2c/i2c-ralink.txt + create mode 100644 drivers/i2c/busses/i2c-ralink.c + +--- /dev/null ++++ b/Documentation/devicetree/bindings/i2c/i2c-ralink.txt +@@ -0,0 +1,27 @@ ++I2C for Ralink platforms ++ ++Required properties : ++- compatible : Must be "link,rt3052-i2c" ++- reg: physical base address of the controller and length of memory mapped ++ region. ++- #address-cells = <1>; ++- #size-cells = <0>; ++ ++Optional properties: ++- Child nodes conforming to i2c bus binding ++ ++Example : ++ ++palmbus@10000000 { ++ i2c@900 { ++ compatible = "link,rt3052-i2c"; ++ reg = <0x900 0x100>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ hwmon@4b { ++ compatible = "national,lm92"; ++ reg = <0x4b>; ++ }; ++ }; ++}; +--- a/drivers/i2c/busses/Kconfig ++++ b/drivers/i2c/busses/Kconfig +@@ -710,6 +710,10 @@ config I2C_RK3X + This driver can also be built as a module. If so, the module will + be called i2c-rk3x. + ++config I2C_RALINK ++ tristate "Ralink I2C Controller" ++ select OF_I2C ++ + config HAVE_S3C2410_I2C + bool + help +--- a/drivers/i2c/busses/Makefile ++++ b/drivers/i2c/busses/Makefile +@@ -66,6 +66,7 @@ obj-$(CONFIG_I2C_PNX) += i2c-pnx.o + obj-$(CONFIG_I2C_PUV3) += i2c-puv3.o + obj-$(CONFIG_I2C_PXA) += i2c-pxa.o + obj-$(CONFIG_I2C_PXA_PCI) += i2c-pxa-pci.o ++obj-$(CONFIG_I2C_RALINK) += i2c-ralink.o + obj-$(CONFIG_I2C_QUP) += i2c-qup.o + obj-$(CONFIG_I2C_RIIC) += i2c-riic.o + obj-$(CONFIG_I2C_RK3X) += i2c-rk3x.o +--- /dev/null ++++ b/drivers/i2c/busses/i2c-ralink.c +@@ -0,0 +1,299 @@ ++/* ++ * drivers/i2c/busses/i2c-ralink.c ++ * ++ * Copyright (C) 2013 Steven Liu <steven_liu@mediatek.com> ++ * ++ * Improve driver for i2cdetect from i2c-tools to detect i2c devices on the bus. ++ * (C) 2014 Sittisak <sittisaks@hotmail.com> ++ * ++ * This software is licensed under the terms of the GNU General Public ++ * License version 2, as published by the Free Software Foundation, and ++ * may be copied, distributed, and modified under those terms. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ */ ++ ++#include <linux/interrupt.h> ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/reset.h> ++#include <linux/delay.h> ++#include <linux/slab.h> ++#include <linux/init.h> ++#include <linux/errno.h> ++#include <linux/platform_device.h> ++#include <linux/i2c.h> ++#include <linux/io.h> ++#include <linux/err.h> ++ ++#include <asm/mach-ralink/ralink_regs.h> ++ ++#define REG_CONFIG_REG 0x00 ++#define REG_CLKDIV_REG 0x04 ++#define REG_DEVADDR_REG 0x08 ++#define REG_ADDR_REG 0x0C ++#define REG_DATAOUT_REG 0x10 ++#define REG_DATAIN_REG 0x14 ++#define REG_STATUS_REG 0x18 ++#define REG_STARTXFR_REG 0x1C ++#define REG_BYTECNT_REG 0x20 ++ ++#define I2C_STARTERR BIT(4) ++#define I2C_ACKERR BIT(3) ++#define I2C_DATARDY BIT(2) ++#define I2C_SDOEMPTY BIT(1) ++#define I2C_BUSY BIT(0) ++ ++#define I2C_DEVADLEN_7 (6 << 2) ++#define I2C_ADDRDIS BIT(1) ++ ++#define I2C_RETRY 0x1000 ++ ++#define CLKDIV_VALUE 200 // clock rate is 40M, 40M / (200*2) = 100k (standard i2c bus rate). ++//#define CLKDIV_VALUE 50 // clock rate is 40M, 40M / (50*2) = 400k (fast i2c bus rate). ++ ++#define READ_CMD 0x01 ++#define WRITE_CMD 0x00 ++#define READ_BLOCK 64 ++ ++static void __iomem *membase; ++static struct i2c_adapter *adapter; ++ ++static void rt_i2c_w32(u32 val, unsigned reg) ++{ ++ iowrite32(val, membase + reg); ++} ++ ++static u32 rt_i2c_r32(unsigned reg) ++{ ++ return ioread32(membase + reg); ++} ++ ++static inline int rt_i2c_get_ack(void) ++{ ++ return (rt_i2c_r32(REG_STATUS_REG) & I2C_ACKERR) ? -EIO : 0; ++} ++ ++static inline int rt_i2c_wait_rx_done(void) ++{ ++ int retries = I2C_RETRY; ++ ++ do { ++ if (!retries--) ++ break; ++ } while(!(rt_i2c_r32(REG_STATUS_REG) & I2C_DATARDY)); ++ ++ return (retries < 0) ? -ETIMEDOUT : 0; ++} ++ ++static inline int rt_i2c_wait_idle(void) ++{ ++ int retries = I2C_RETRY; ++ ++ do { ++ if (!retries--) ++ break; ++ } while(rt_i2c_r32(REG_STATUS_REG) & I2C_BUSY); ++ ++ return (retries < 0); ++} ++ ++static inline int rt_i2c_wait_tx_done(void) ++{ ++ int retries = I2C_RETRY; ++ ++ do { ++ if (!retries--) ++ break; ++ } while(!(rt_i2c_r32(REG_STATUS_REG) & I2C_SDOEMPTY)); ++ ++ return (retries < 0) ? -ETIMEDOUT : 0; ++} ++ ++static int rt_i2c_handle_msg(struct i2c_adapter *a, struct i2c_msg* msg) ++{ ++ int i = 0, j = 0, pos = 0; ++ int nblock = msg->len / READ_BLOCK; ++ int rem = msg->len % READ_BLOCK; ++ int ret = 0; ++ ++ if (msg->flags & I2C_M_TEN) { ++ printk("10 bits addr not supported\n"); ++ return -EINVAL; ++ } ++ ++ if (msg->flags & I2C_M_RD) { ++ for (i = 0; i < nblock; i++) { ++ if (rt_i2c_wait_idle()) { ++ printk("i2c-read line busy\n"); ++ return -ETIMEDOUT; ++ } ++ rt_i2c_w32(READ_BLOCK - 1, REG_BYTECNT_REG); ++ rt_i2c_w32(READ_CMD, REG_STARTXFR_REG); ++ for (j = 0; j < READ_BLOCK; j++) { ++ if (rt_i2c_wait_rx_done() < 0) ++ ret = rt_i2c_wait_rx_done(); ++ if (rt_i2c_get_ack() < 0) ++ ret = rt_i2c_get_ack(); ++ msg->buf[pos++] = rt_i2c_r32(REG_DATAIN_REG); ++ } ++ } ++ ++ if (rt_i2c_wait_idle()) { ++ printk("i2c-read line busy\n"); ++ return -ETIMEDOUT; ++ } ++ if (rem) { ++ rt_i2c_w32(rem - 1, REG_BYTECNT_REG); ++ rt_i2c_w32(READ_CMD, REG_STARTXFR_REG); ++ } ++ for (i = 0; i < rem; i++) { ++ if (rt_i2c_wait_rx_done() < 0) ++ ret = rt_i2c_wait_rx_done(); ++ if (rt_i2c_get_ack() < 0) ++ ret = rt_i2c_get_ack(); ++ ++ msg->buf[pos++] = rt_i2c_r32(REG_DATAIN_REG); ++ } ++ } else { ++ if (rt_i2c_wait_idle()) { ++ printk("i2c-write line busy\n"); ++ return -ETIMEDOUT; ++ } ++ rt_i2c_w32(msg->len - 1, REG_BYTECNT_REG); ++ for (i = 0; i < msg->len; i++) { ++ rt_i2c_w32(msg->buf[i], REG_DATAOUT_REG); ++ rt_i2c_w32(WRITE_CMD, REG_STARTXFR_REG); ++ ++ if (rt_i2c_wait_tx_done() < 0) ++ ret = rt_i2c_wait_tx_done(); ++ if (rt_i2c_get_ack() < 0) ++ ret = rt_i2c_get_ack(); ++ } ++ } ++ ++ return ret; ++} ++ ++static int rt_i2c_master_xfer(struct i2c_adapter *a, struct i2c_msg *m, int n) ++{ ++ int i = 0; ++ int ret = 0; ++ ++ if (rt_i2c_wait_idle()) { ++ printk("i2c-master_xfer line busy\n"); ++ return -ETIMEDOUT; ++ } ++ ++ device_reset(a->dev.parent); ++ ++ rt_i2c_w32(m->addr, REG_DEVADDR_REG); ++ rt_i2c_w32(I2C_DEVADLEN_7 | I2C_ADDRDIS, REG_CONFIG_REG); ++ rt_i2c_w32(CLKDIV_VALUE, REG_CLKDIV_REG); ++ ++ for (i = 0; i < n && !ret; i++) { ++ ret = rt_i2c_handle_msg(a, &m[i]); ++ ++ if (ret < 0) { ++ return ret; ++ } ++ } ++ ++ return n; ++} ++ ++static u32 rt_i2c_func(struct i2c_adapter *a) ++{ ++ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; ++} ++ ++static const struct i2c_algorithm rt_i2c_algo = { ++ .master_xfer = rt_i2c_master_xfer, ++ .functionality = rt_i2c_func, ++}; ++ ++static int rt_i2c_probe(struct platform_device *pdev) ++{ ++ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ int ret; ++ ++ if (!res) { ++ dev_err(&pdev->dev, "no memory resource found\n"); ++ return -ENODEV; ++ } ++ ++ adapter = devm_kzalloc(&pdev->dev, sizeof(struct i2c_adapter), GFP_KERNEL); ++ if (!adapter) { ++ dev_err(&pdev->dev, "failed to allocate i2c_adapter\n"); ++ return -ENOMEM; ++ } ++ ++ membase = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(membase)) ++ return PTR_ERR(membase); ++ ++ strlcpy(adapter->name, dev_name(&pdev->dev), sizeof(adapter->name)); ++ adapter->owner = THIS_MODULE; ++ adapter->nr = pdev->id; ++ adapter->timeout = HZ; ++ adapter->algo = &rt_i2c_algo; ++ adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; ++ adapter->dev.parent = &pdev->dev; ++ adapter->dev.of_node = pdev->dev.of_node; ++ ++ ret = i2c_add_numbered_adapter(adapter); ++ if (ret) ++ return ret; ++ ++ platform_set_drvdata(pdev, adapter); ++ ++ dev_info(&pdev->dev, "loaded\n"); ++ ++ return 0; ++} ++ ++static int rt_i2c_remove(struct platform_device *pdev) ++{ ++ platform_set_drvdata(pdev, NULL); ++ ++ return 0; ++} ++ ++static const struct of_device_id i2c_rt_dt_ids[] = { ++ { .compatible = "ralink,rt2880-i2c", }, ++ { /* sentinel */ } ++}; ++ ++MODULE_DEVICE_TABLE(of, i2c_rt_dt_ids); ++ ++static struct platform_driver rt_i2c_driver = { ++ .probe = rt_i2c_probe, ++ .remove = rt_i2c_remove, ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = "i2c-ralink", ++ .of_match_table = i2c_rt_dt_ids, ++ }, ++}; ++ ++static int __init i2c_rt_init (void) ++{ ++ return platform_driver_register(&rt_i2c_driver); ++} ++subsys_initcall(i2c_rt_init); ++ ++static void __exit i2c_rt_exit (void) ++{ ++ platform_driver_unregister(&rt_i2c_driver); ++} ++ ++module_exit (i2c_rt_exit); ++ ++MODULE_AUTHOR("Steven Liu <steven_liu@mediatek.com>"); ++MODULE_DESCRIPTION("Ralink I2c host driver"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:Ralink-I2C"); diff --git a/target/linux/ramips/patches-3.18/0053-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch b/target/linux/ramips/patches-3.18/0053-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch new file mode 100644 index 0000000000..2aab825d6e --- /dev/null +++ b/target/linux/ramips/patches-3.18/0053-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch @@ -0,0 +1,4810 @@ +From f954801c6f48fc291c39ca8a888dbdfda1021415 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 13 Nov 2014 19:08:40 +0100 +Subject: [PATCH] mmc: MIPS: ralink: add sdhci for mt7620a SoC + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/mmc/host/Kconfig | 2 + + drivers/mmc/host/Makefile | 1 + + drivers/mmc/host/mtk-mmc/Kconfig | 16 + + drivers/mmc/host/mtk-mmc/Makefile | 42 + + drivers/mmc/host/mtk-mmc/board.h | 137 ++ + drivers/mmc/host/mtk-mmc/dbg.c | 347 ++++ + drivers/mmc/host/mtk-mmc/dbg.h | 153 ++ + drivers/mmc/host/mtk-mmc/mt6575_sd.h | 1001 +++++++++++ + drivers/mmc/host/mtk-mmc/sd.c | 3041 ++++++++++++++++++++++++++++++++++ + 9 files changed, 4740 insertions(+) + create mode 100644 drivers/mmc/host/mtk-mmc/Kconfig + create mode 100644 drivers/mmc/host/mtk-mmc/Makefile + create mode 100644 drivers/mmc/host/mtk-mmc/board.h + create mode 100644 drivers/mmc/host/mtk-mmc/dbg.c + create mode 100644 drivers/mmc/host/mtk-mmc/dbg.h + create mode 100644 drivers/mmc/host/mtk-mmc/mt6575_sd.h + create mode 100644 drivers/mmc/host/mtk-mmc/sd.c + +--- a/drivers/mmc/host/Kconfig ++++ b/drivers/mmc/host/Kconfig +@@ -773,3 +773,5 @@ config MMC_SUNXI + help + This selects support for the SD/MMC Host Controller on + Allwinner sunxi SoCs. ++ ++source "drivers/mmc/host/mtk-mmc/Kconfig" +--- a/drivers/mmc/host/Makefile ++++ b/drivers/mmc/host/Makefile +@@ -2,6 +2,7 @@ + # Makefile for MMC/SD host controller drivers + # + ++obj-$(CONFIG_MTK_MMC) += mtk-mmc/ + obj-$(CONFIG_MMC_ARMMMCI) += mmci.o + obj-$(CONFIG_MMC_QCOM_DML) += mmci_qcom_dml.o + obj-$(CONFIG_MMC_PXA) += pxamci.o +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/Kconfig +@@ -0,0 +1,16 @@ ++config MTK_MMC ++ tristate "MTK SD/MMC" ++ depends on !MTD_NAND_RALINK ++ ++config MTK_AEE_KDUMP ++ bool "MTK AEE KDUMP" ++ depends on MTK_MMC ++ ++config MTK_MMC_CD_POLL ++ bool "Card Detect with Polling" ++ depends on MTK_MMC ++ ++config MTK_MMC_EMMC_8BIT ++ bool "eMMC 8-bit support" ++ depends on MTK_MMC && RALINK_MT7628 ++ +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/Makefile +@@ -0,0 +1,42 @@ ++# Copyright Statement: ++# ++# This software/firmware and related documentation ("MediaTek Software") are ++# protected under relevant copyright laws. The information contained herein ++# is confidential and proprietary to MediaTek Inc. and/or its licensors. ++# Without the prior written permission of MediaTek inc. and/or its licensors, ++# any reproduction, modification, use or disclosure of MediaTek Software, ++# and information contained herein, in whole or in part, shall be strictly prohibited. ++# ++# MediaTek Inc. (C) 2010. All rights reserved. ++# ++# BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++# THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++# RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++# AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++# NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++# SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++# SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++# THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++# THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++# CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++# SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++# STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++# CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++# AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++# OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++# MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++# ++# The following software/firmware and/or related documentation ("MediaTek Software") ++# have been modified by MediaTek Inc. All revisions are subject to any receiver's ++# applicable license agreements with MediaTek Inc. ++ ++obj-$(CONFIG_MTK_MMC) += mtk_sd.o ++mtk_sd-objs := sd.o dbg.o ++ifeq ($(CONFIG_MTK_AEE_KDUMP),y) ++EXTRA_CFLAGS += -DMT6575_SD_DEBUG ++endif ++ ++clean: ++ @rm -f *.o modules.order .*.cmd +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/board.h +@@ -0,0 +1,137 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ */ ++/* MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++#ifndef __ARCH_ARM_MACH_BOARD_H ++#define __ARCH_ARM_MACH_BOARD_H ++ ++#include <generated/autoconf.h> ++#include <linux/pm.h> ++/* --- chhung */ ++// #include <mach/mt6575.h> ++// #include <board-custom.h> ++/* end of chhung */ ++ ++typedef void (*sdio_irq_handler_t)(void*); /* external irq handler */ ++typedef void (*pm_callback_t)(pm_message_t state, void *data); ++ ++#define MSDC_CD_PIN_EN (1 << 0) /* card detection pin is wired */ ++#define MSDC_WP_PIN_EN (1 << 1) /* write protection pin is wired */ ++#define MSDC_RST_PIN_EN (1 << 2) /* emmc reset pin is wired */ ++#define MSDC_SDIO_IRQ (1 << 3) /* use internal sdio irq (bus) */ ++#define MSDC_EXT_SDIO_IRQ (1 << 4) /* use external sdio irq */ ++#define MSDC_REMOVABLE (1 << 5) /* removable slot */ ++#define MSDC_SYS_SUSPEND (1 << 6) /* suspended by system */ ++#define MSDC_HIGHSPEED (1 << 7) /* high-speed mode support */ ++#define MSDC_UHS1 (1 << 8) /* uhs-1 mode support */ ++#define MSDC_DDR (1 << 9) /* ddr mode support */ ++ ++ ++#define MSDC_SMPL_RISING (0) ++#define MSDC_SMPL_FALLING (1) ++ ++#define MSDC_CMD_PIN (0) ++#define MSDC_DAT_PIN (1) ++#define MSDC_CD_PIN (2) ++#define MSDC_WP_PIN (3) ++#define MSDC_RST_PIN (4) ++ ++enum { ++ MSDC_CLKSRC_48MHZ = 0, ++// MSDC_CLKSRC_26MHZ = 0, ++// MSDC_CLKSRC_197MHZ = 1, ++// MSDC_CLKSRC_208MHZ = 2 ++}; ++ ++struct msdc_hw { ++ unsigned char clk_src; /* host clock source */ ++ unsigned char cmd_edge; /* command latch edge */ ++ unsigned char data_edge; /* data latch edge */ ++ unsigned char clk_drv; /* clock pad driving */ ++ unsigned char cmd_drv; /* command pad driving */ ++ unsigned char dat_drv; /* data pad driving */ ++ unsigned long flags; /* hardware capability flags */ ++ unsigned long data_pins; /* data pins */ ++ unsigned long data_offset; /* data address offset */ ++ ++ /* config gpio pull mode */ ++ void (*config_gpio_pin)(int type, int pull); ++ ++ /* external power control for card */ ++ void (*ext_power_on)(void); ++ void (*ext_power_off)(void); ++ ++ /* external sdio irq operations */ ++ void (*request_sdio_eirq)(sdio_irq_handler_t sdio_irq_handler, void *data); ++ void (*enable_sdio_eirq)(void); ++ void (*disable_sdio_eirq)(void); ++ ++ /* external cd irq operations */ ++ void (*request_cd_eirq)(sdio_irq_handler_t cd_irq_handler, void *data); ++ void (*enable_cd_eirq)(void); ++ void (*disable_cd_eirq)(void); ++ int (*get_cd_status)(void); ++ ++ /* power management callback for external module */ ++ void (*register_pm)(pm_callback_t pm_cb, void *data); ++}; ++ ++extern struct msdc_hw msdc0_hw; ++extern struct msdc_hw msdc1_hw; ++extern struct msdc_hw msdc2_hw; ++extern struct msdc_hw msdc3_hw; ++ ++/*GPS driver*/ ++#define GPS_FLAG_FORCE_OFF 0x0001 ++struct mt3326_gps_hardware { ++ int (*ext_power_on)(int); ++ int (*ext_power_off)(int); ++}; ++extern struct mt3326_gps_hardware mt3326_gps_hw; ++ ++/* NAND driver */ ++struct mt6575_nand_host_hw { ++ unsigned int nfi_bus_width; /* NFI_BUS_WIDTH */ ++ unsigned int nfi_access_timing; /* NFI_ACCESS_TIMING */ ++ unsigned int nfi_cs_num; /* NFI_CS_NUM */ ++ unsigned int nand_sec_size; /* NAND_SECTOR_SIZE */ ++ unsigned int nand_sec_shift; /* NAND_SECTOR_SHIFT */ ++ unsigned int nand_ecc_size; ++ unsigned int nand_ecc_bytes; ++ unsigned int nand_ecc_mode; ++}; ++extern struct mt6575_nand_host_hw mt6575_nand_hw; ++ ++#endif /* __ARCH_ARM_MACH_BOARD_H */ ++ +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/dbg.c +@@ -0,0 +1,347 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ * ++ * MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++#include <linux/version.h> ++#include <linux/kernel.h> ++#include <linux/sched.h> ++#include <linux/kthread.h> ++#include <linux/delay.h> ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/proc_fs.h> ++#include <linux/string.h> ++#include <linux/uaccess.h> ++// #include <mach/mt6575_gpt.h> /* --- by chhung */ ++#include "dbg.h" ++#include "mt6575_sd.h" ++#include <linux/seq_file.h> ++ ++static char cmd_buf[256]; ++ ++/* for debug zone */ ++unsigned int sd_debug_zone[4]={ ++ 0, ++ 0, ++ 0, ++ 0 ++}; ++ ++/* mode select */ ++u32 dma_size[4]={ ++ 512, ++ 512, ++ 512, ++ 512 ++}; ++msdc_mode drv_mode[4]={ ++ MODE_SIZE_DEP, /* using DMA or not depend on the size */ ++ MODE_SIZE_DEP, ++ MODE_SIZE_DEP, ++ MODE_SIZE_DEP ++}; ++ ++#if defined (MT6575_SD_DEBUG) ++/* for driver profile */ ++#define TICKS_ONE_MS (13000) ++u32 gpt_enable = 0; ++u32 sdio_pro_enable = 0; /* make sure gpt is enabled */ ++u32 sdio_pro_time = 0; /* no more than 30s */ ++struct sdio_profile sdio_perfomance = {0}; ++ ++#if 0 /* --- chhung */ ++void msdc_init_gpt(void) ++{ ++ GPT_CONFIG config; ++ ++ config.num = GPT6; ++ config.mode = GPT_FREE_RUN; ++ config.clkSrc = GPT_CLK_SRC_SYS; ++ config.clkDiv = GPT_CLK_DIV_1; /* 13MHz GPT6 */ ++ ++ if (GPT_Config(config) == FALSE ) ++ return; ++ ++ GPT_Start(GPT6); ++} ++#endif /* end of --- */ ++ ++u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32) ++{ ++ u32 ret = 0; ++ ++ if (new_H32 == old_H32) { ++ ret = new_L32 - old_L32; ++ } else if(new_H32 == (old_H32 + 1)) { ++ if (new_L32 > old_L32) { ++ printk("msdc old_L<0x%x> new_L<0x%x>\n", old_L32, new_L32); ++ } ++ ret = (0xffffffff - old_L32); ++ ret += new_L32; ++ } else { ++ printk("msdc old_H<0x%x> new_H<0x%x>\n", old_H32, new_H32); ++ } ++ ++ return ret; ++} ++ ++void msdc_sdio_profile(struct sdio_profile* result) ++{ ++ struct cmd_profile* cmd; ++ u32 i; ++ ++ printk("sdio === performance dump ===\n"); ++ printk("sdio === total execute tick<%d> time<%dms> Tx<%dB> Rx<%dB>\n", ++ result->total_tc, result->total_tc / TICKS_ONE_MS, ++ result->total_tx_bytes, result->total_rx_bytes); ++ ++ /* CMD52 Dump */ ++ cmd = &result->cmd52_rx; ++ printk("sdio === CMD52 Rx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc, ++ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count); ++ cmd = &result->cmd52_tx; ++ printk("sdio === CMD52 Tx <%d>times tick<%d> Max<%d> Min<%d> Aver<%d>\n", cmd->count, cmd->tot_tc, ++ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count); ++ ++ /* CMD53 Rx bytes + block mode */ ++ for (i=0; i<512; i++) { ++ cmd = &result->cmd53_rx_byte[i]; ++ if (cmd->count) { ++ printk("sdio<%6d><%3dB>_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, ++ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, ++ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); ++ } ++ } ++ for (i=0; i<100; i++) { ++ cmd = &result->cmd53_rx_blk[i]; ++ if (cmd->count) { ++ printk("sdio<%6d><%3d>B_Rx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, ++ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, ++ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); ++ } ++ } ++ ++ /* CMD53 Tx bytes + block mode */ ++ for (i=0; i<512; i++) { ++ cmd = &result->cmd53_tx_byte[i]; ++ if (cmd->count) { ++ printk("sdio<%6d><%3dB>_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, ++ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, ++ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); ++ } ++ } ++ for (i=0; i<100; i++) { ++ cmd = &result->cmd53_tx_blk[i]; ++ if (cmd->count) { ++ printk("sdio<%6d><%3d>B_Tx_<%9d><%9d><%6d><%6d>_<%9dB><%2dM>\n", cmd->count, i, cmd->tot_tc, ++ cmd->max_tc, cmd->min_tc, cmd->tot_tc/cmd->count, ++ cmd->tot_bytes, (cmd->tot_bytes/10)*13 / (cmd->tot_tc/10)); ++ } ++ } ++ ++ printk("sdio === performance dump done ===\n"); ++} ++ ++//========= sdio command table =========== ++void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks) ++{ ++ struct sdio_profile* result = &sdio_perfomance; ++ struct cmd_profile* cmd; ++ u32 block; ++ ++ if (sdio_pro_enable == 0) { ++ return; ++ } ++ ++ if (opcode == 52) { ++ cmd = bRx ? &result->cmd52_rx : &result->cmd52_tx; ++ } else if (opcode == 53) { ++ if (sizes < 512) { ++ cmd = bRx ? &result->cmd53_rx_byte[sizes] : &result->cmd53_tx_byte[sizes]; ++ } else { ++ block = sizes / 512; ++ if (block >= 99) { ++ printk("cmd53 error blocks\n"); ++ while(1); ++ } ++ cmd = bRx ? &result->cmd53_rx_blk[block] : &result->cmd53_tx_blk[block]; ++ } ++ } else { ++ return; ++ } ++ ++ /* update the members */ ++ if (ticks > cmd->max_tc){ ++ cmd->max_tc = ticks; ++ } ++ if (cmd->min_tc == 0 || ticks < cmd->min_tc) { ++ cmd->min_tc = ticks; ++ } ++ cmd->tot_tc += ticks; ++ cmd->tot_bytes += sizes; ++ cmd->count ++; ++ ++ if (bRx) { ++ result->total_rx_bytes += sizes; ++ } else { ++ result->total_tx_bytes += sizes; ++ } ++ result->total_tc += ticks; ++ ++ /* dump when total_tc > 30s */ ++ if (result->total_tc >= sdio_pro_time * TICKS_ONE_MS * 1000) { ++ msdc_sdio_profile(result); ++ memset(result, 0 , sizeof(struct sdio_profile)); ++ } ++} ++ ++//========== driver proc interface =========== ++static int msdc_debug_proc_read(struct seq_file *s, void *p) ++{ ++ seq_printf(s, "\n=========================================\n"); ++ seq_printf(s, "Index<0> + Id + Zone\n"); ++ seq_printf(s, "-> PWR<9> WRN<8> | FIO<7> OPS<6> FUN<5> CFG<4> | INT<3> RSP<2> CMD<1> DMA<0>\n"); ++ seq_printf(s, "-> echo 0 3 0x3ff >msdc_bebug -> host[3] debug zone set to 0x3ff\n"); ++ seq_printf(s, "-> MSDC[0] Zone: 0x%.8x\n", sd_debug_zone[0]); ++ seq_printf(s, "-> MSDC[1] Zone: 0x%.8x\n", sd_debug_zone[1]); ++ seq_printf(s, "-> MSDC[2] Zone: 0x%.8x\n", sd_debug_zone[2]); ++ seq_printf(s, "-> MSDC[3] Zone: 0x%.8x\n", sd_debug_zone[3]); ++ ++ seq_printf(s, "Index<1> + ID:4|Mode:4 + DMA_SIZE\n"); ++ seq_printf(s, "-> 0)PIO 1)DMA 2)SIZE\n"); ++ seq_printf(s, "-> echo 1 22 0x200 >msdc_bebug -> host[2] size mode, dma when >= 512\n"); ++ seq_printf(s, "-> MSDC[0] mode<%d> size<%d>\n", drv_mode[0], dma_size[0]); ++ seq_printf(s, "-> MSDC[1] mode<%d> size<%d>\n", drv_mode[1], dma_size[1]); ++ seq_printf(s, "-> MSDC[2] mode<%d> size<%d>\n", drv_mode[2], dma_size[2]); ++ seq_printf(s, "-> MSDC[3] mode<%d> size<%d>\n", drv_mode[3], dma_size[3]); ++ ++ seq_printf(s, "Index<3> + SDIO_PROFILE + TIME\n"); ++ seq_printf(s, "-> echo 3 1 0x1E >msdc_bebug -> enable sdio_profile, 30s\n"); ++ seq_printf(s, "-> SDIO_PROFILE<%d> TIME<%ds>\n", sdio_pro_enable, sdio_pro_time); ++ seq_printf(s, "=========================================\n\n"); ++ ++ return 0; ++} ++ ++static ssize_t msdc_debug_proc_write(struct file *file, ++ const char __user *buf, size_t count, loff_t *data) ++{ ++ int ret; ++ ++ int cmd, p1, p2; ++ int id, zone; ++ int mode, size; ++ ++ if (count == 0)return -1; ++ if(count > 255)count = 255; ++ ++ ret = copy_from_user(cmd_buf, buf, count); ++ if (ret < 0)return -1; ++ ++ cmd_buf[count] = '\0'; ++ printk("msdc Write %s\n", cmd_buf); ++ ++ sscanf(cmd_buf, "%x %x %x", &cmd, &p1, &p2); ++ ++ if(cmd == SD_TOOL_ZONE) { ++ id = p1; zone = p2; zone &= 0x3ff; ++ printk("msdc host_id<%d> zone<0x%.8x>\n", id, zone); ++ if(id >=0 && id<=3){ ++ sd_debug_zone[id] = zone; ++ } ++ else if(id == 4){ ++ sd_debug_zone[0] = sd_debug_zone[1] = zone; ++ sd_debug_zone[2] = sd_debug_zone[3] = zone; ++ } ++ else{ ++ printk("msdc host_id error when set debug zone\n"); ++ } ++ } else if (cmd == SD_TOOL_DMA_SIZE) { ++ id = p1>>4; mode = (p1&0xf); size = p2; ++ if(id >=0 && id<=3){ ++ drv_mode[id] = mode; ++ dma_size[id] = p2; ++ } ++ else if(id == 4){ ++ drv_mode[0] = drv_mode[1] = mode; ++ drv_mode[2] = drv_mode[3] = mode; ++ dma_size[0] = dma_size[1] = p2; ++ dma_size[2] = dma_size[3] = p2; ++ } ++ else{ ++ printk("msdc host_id error when select mode\n"); ++ } ++ } else if (cmd == SD_TOOL_SDIO_PROFILE) { ++ if (p1 == 1) { /* enable profile */ ++ if (gpt_enable == 0) { ++ // msdc_init_gpt(); /* --- by chhung */ ++ gpt_enable = 1; ++ } ++ sdio_pro_enable = 1; ++ if (p2 == 0) p2 = 1; if (p2 >= 30) p2 = 30; ++ sdio_pro_time = p2 ; ++ } else if (p1 == 0) { ++ /* todo */ ++ sdio_pro_enable = 0; ++ } ++ } ++ ++ return count; ++} ++ ++static int msdc_debug_show(struct inode *inode, struct file *file) ++{ ++ return single_open(file, msdc_debug_proc_read, NULL); ++} ++ ++static const struct file_operations msdc_debug_fops = { ++ .owner = THIS_MODULE, ++ .open = msdc_debug_show, ++ .read = seq_read, ++ .write = msdc_debug_proc_write, ++ .llseek = seq_lseek, ++ .release = single_release, ++}; ++ ++int msdc_debug_proc_init(void) ++{ ++ struct proc_dir_entry *de = proc_create("msdc_debug", 0667, NULL, &msdc_debug_fops); ++ ++ if (!de || IS_ERR(de)) ++ printk("!! Create MSDC debug PROC fail !!\n"); ++ ++ return 0 ; ++} ++EXPORT_SYMBOL_GPL(msdc_debug_proc_init); ++#endif +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/dbg.h +@@ -0,0 +1,156 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ * ++ * MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++#ifndef __MT_MSDC_DEUBG__ ++#define __MT_MSDC_DEUBG__ ++ ++//========================== ++extern u32 sdio_pro_enable; ++/* for a type command, e.g. CMD53, 2 blocks */ ++struct cmd_profile { ++ u32 max_tc; /* Max tick count */ ++ u32 min_tc; ++ u32 tot_tc; /* total tick count */ ++ u32 tot_bytes; ++ u32 count; /* the counts of the command */ ++}; ++ ++/* dump when total_tc and total_bytes */ ++struct sdio_profile { ++ u32 total_tc; /* total tick count of CMD52 and CMD53 */ ++ u32 total_tx_bytes; /* total bytes of CMD53 Tx */ ++ u32 total_rx_bytes; /* total bytes of CMD53 Rx */ ++ ++ /*CMD52*/ ++ struct cmd_profile cmd52_tx; ++ struct cmd_profile cmd52_rx; ++ ++ /*CMD53 in byte unit */ ++ struct cmd_profile cmd53_tx_byte[512]; ++ struct cmd_profile cmd53_rx_byte[512]; ++ ++ /*CMD53 in block unit */ ++ struct cmd_profile cmd53_tx_blk[100]; ++ struct cmd_profile cmd53_rx_blk[100]; ++}; ++ ++//========================== ++typedef enum { ++ SD_TOOL_ZONE = 0, ++ SD_TOOL_DMA_SIZE = 1, ++ SD_TOOL_PM_ENABLE = 2, ++ SD_TOOL_SDIO_PROFILE = 3, ++} msdc_dbg; ++ ++typedef enum { ++ MODE_PIO = 0, ++ MODE_DMA = 1, ++ MODE_SIZE_DEP = 2, ++} msdc_mode; ++extern msdc_mode drv_mode[4]; ++extern u32 dma_size[4]; ++ ++/* Debug message event */ ++#define DBG_EVT_NONE (0) /* No event */ ++#define DBG_EVT_DMA (1 << 0) /* DMA related event */ ++#define DBG_EVT_CMD (1 << 1) /* MSDC CMD related event */ ++#define DBG_EVT_RSP (1 << 2) /* MSDC CMD RSP related event */ ++#define DBG_EVT_INT (1 << 3) /* MSDC INT event */ ++#define DBG_EVT_CFG (1 << 4) /* MSDC CFG event */ ++#define DBG_EVT_FUC (1 << 5) /* Function event */ ++#define DBG_EVT_OPS (1 << 6) /* Read/Write operation event */ ++#define DBG_EVT_FIO (1 << 7) /* FIFO operation event */ ++#define DBG_EVT_WRN (1 << 8) /* Warning event */ ++#define DBG_EVT_PWR (1 << 9) /* Power event */ ++#define DBG_EVT_ALL (0xffffffff) ++ ++#define DBG_EVT_MASK (DBG_EVT_ALL) ++ ++extern unsigned int sd_debug_zone[4]; ++#define TAG "msdc" ++#if 0 /* +++ chhung */ ++#define BUG_ON(x) \ ++do { \ ++ if (x) { \ ++ printk("[BUG] %s LINE:%d FILE:%s\n", #x, __LINE__, __FILE__); \ ++ while(1); \ ++ } \ ++}while(0) ++#endif /* end of +++ */ ++ ++#define N_MSG(evt, fmt, args...) ++/* ++do { \ ++ if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \ ++ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \ ++ host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \ ++ } \ ++} while(0) ++*/ ++ ++#define ERR_MSG(fmt, args...) \ ++do { \ ++ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \ ++ host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \ ++} while(0); ++ ++#if 1 ++//defined CONFIG_MTK_MMC_CD_POLL ++#define INIT_MSG(fmt, args...) ++#define IRQ_MSG(fmt, args...) ++#else ++#define INIT_MSG(fmt, args...) \ ++do { \ ++ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \ ++ host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \ ++} while(0); ++ ++/* PID in ISR in not corrent */ ++#define IRQ_MSG(fmt, args...) \ ++do { \ ++ printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d>\n", \ ++ host->id, ##args , __FUNCTION__, __LINE__); \ ++} while(0); ++#endif ++ ++int msdc_debug_proc_init(void); ++ ++#if 0 /* --- chhung */ ++void msdc_init_gpt(void); ++extern void GPT_GetCounter64(UINT32 *cntL32, UINT32 *cntH32); ++#endif /* end of --- */ ++u32 msdc_time_calc(u32 old_L32, u32 old_H32, u32 new_L32, u32 new_H32); ++void msdc_performance(u32 opcode, u32 sizes, u32 bRx, u32 ticks); ++ ++#endif +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/mt6575_sd.h +@@ -0,0 +1,1001 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ */ ++/* MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++#ifndef MT6575_SD_H ++#define MT6575_SD_H ++ ++#include <linux/bitops.h> ++#include <linux/mmc/host.h> ++ ++// #include <mach/mt6575_reg_base.h> /* --- by chhung */ ++ ++/*--------------------------------------------------------------------------*/ ++/* Common Macro */ ++/*--------------------------------------------------------------------------*/ ++#define REG_ADDR(x) ((volatile u32*)(base + OFFSET_##x)) ++ ++/*--------------------------------------------------------------------------*/ ++/* Common Definition */ ++/*--------------------------------------------------------------------------*/ ++#define MSDC_FIFO_SZ (128) ++#define MSDC_FIFO_THD (64) // (128) ++#define MSDC_NUM (4) ++ ++#define MSDC_MS (0) ++#define MSDC_SDMMC (1) ++ ++#define MSDC_MODE_UNKNOWN (0) ++#define MSDC_MODE_PIO (1) ++#define MSDC_MODE_DMA_BASIC (2) ++#define MSDC_MODE_DMA_DESC (3) ++#define MSDC_MODE_DMA_ENHANCED (4) ++#define MSDC_MODE_MMC_STREAM (5) ++ ++#define MSDC_BUS_1BITS (0) ++#define MSDC_BUS_4BITS (1) ++#define MSDC_BUS_8BITS (2) ++ ++#define MSDC_BRUST_8B (3) ++#define MSDC_BRUST_16B (4) ++#define MSDC_BRUST_32B (5) ++#define MSDC_BRUST_64B (6) ++ ++#define MSDC_PIN_PULL_NONE (0) ++#define MSDC_PIN_PULL_DOWN (1) ++#define MSDC_PIN_PULL_UP (2) ++#define MSDC_PIN_KEEP (3) ++ ++#define MSDC_MAX_SCLK (48000000) /* +/- by chhung */ ++#define MSDC_MIN_SCLK (260000) ++ ++#define MSDC_AUTOCMD12 (0x0001) ++#define MSDC_AUTOCMD23 (0x0002) ++#define MSDC_AUTOCMD19 (0x0003) ++ ++#define MSDC_EMMC_BOOTMODE0 (0) /* Pull low CMD mode */ ++#define MSDC_EMMC_BOOTMODE1 (1) /* Reset CMD mode */ ++ ++enum { ++ RESP_NONE = 0, ++ RESP_R1, ++ RESP_R2, ++ RESP_R3, ++ RESP_R4, ++ RESP_R5, ++ RESP_R6, ++ RESP_R7, ++ RESP_R1B ++}; ++ ++/*--------------------------------------------------------------------------*/ ++/* Register Offset */ ++/*--------------------------------------------------------------------------*/ ++#define OFFSET_MSDC_CFG (0x0) ++#define OFFSET_MSDC_IOCON (0x04) ++#define OFFSET_MSDC_PS (0x08) ++#define OFFSET_MSDC_INT (0x0c) ++#define OFFSET_MSDC_INTEN (0x10) ++#define OFFSET_MSDC_FIFOCS (0x14) ++#define OFFSET_MSDC_TXDATA (0x18) ++#define OFFSET_MSDC_RXDATA (0x1c) ++#define OFFSET_SDC_CFG (0x30) ++#define OFFSET_SDC_CMD (0x34) ++#define OFFSET_SDC_ARG (0x38) ++#define OFFSET_SDC_STS (0x3c) ++#define OFFSET_SDC_RESP0 (0x40) ++#define OFFSET_SDC_RESP1 (0x44) ++#define OFFSET_SDC_RESP2 (0x48) ++#define OFFSET_SDC_RESP3 (0x4c) ++#define OFFSET_SDC_BLK_NUM (0x50) ++#define OFFSET_SDC_CSTS (0x58) ++#define OFFSET_SDC_CSTS_EN (0x5c) ++#define OFFSET_SDC_DCRC_STS (0x60) ++#define OFFSET_EMMC_CFG0 (0x70) ++#define OFFSET_EMMC_CFG1 (0x74) ++#define OFFSET_EMMC_STS (0x78) ++#define OFFSET_EMMC_IOCON (0x7c) ++#define OFFSET_SDC_ACMD_RESP (0x80) ++#define OFFSET_SDC_ACMD19_TRG (0x84) ++#define OFFSET_SDC_ACMD19_STS (0x88) ++#define OFFSET_MSDC_DMA_SA (0x90) ++#define OFFSET_MSDC_DMA_CA (0x94) ++#define OFFSET_MSDC_DMA_CTRL (0x98) ++#define OFFSET_MSDC_DMA_CFG (0x9c) ++#define OFFSET_MSDC_DBG_SEL (0xa0) ++#define OFFSET_MSDC_DBG_OUT (0xa4) ++#define OFFSET_MSDC_PATCH_BIT (0xb0) ++#define OFFSET_MSDC_PATCH_BIT1 (0xb4) ++#define OFFSET_MSDC_PAD_CTL0 (0xe0) ++#define OFFSET_MSDC_PAD_CTL1 (0xe4) ++#define OFFSET_MSDC_PAD_CTL2 (0xe8) ++#define OFFSET_MSDC_PAD_TUNE (0xec) ++#define OFFSET_MSDC_DAT_RDDLY0 (0xf0) ++#define OFFSET_MSDC_DAT_RDDLY1 (0xf4) ++#define OFFSET_MSDC_HW_DBG (0xf8) ++#define OFFSET_MSDC_VERSION (0x100) ++#define OFFSET_MSDC_ECO_VER (0x104) ++ ++/*--------------------------------------------------------------------------*/ ++/* Register Address */ ++/*--------------------------------------------------------------------------*/ ++ ++/* common register */ ++#define MSDC_CFG REG_ADDR(MSDC_CFG) ++#define MSDC_IOCON REG_ADDR(MSDC_IOCON) ++#define MSDC_PS REG_ADDR(MSDC_PS) ++#define MSDC_INT REG_ADDR(MSDC_INT) ++#define MSDC_INTEN REG_ADDR(MSDC_INTEN) ++#define MSDC_FIFOCS REG_ADDR(MSDC_FIFOCS) ++#define MSDC_TXDATA REG_ADDR(MSDC_TXDATA) ++#define MSDC_RXDATA REG_ADDR(MSDC_RXDATA) ++#define MSDC_PATCH_BIT0 REG_ADDR(MSDC_PATCH_BIT) ++ ++/* sdmmc register */ ++#define SDC_CFG REG_ADDR(SDC_CFG) ++#define SDC_CMD REG_ADDR(SDC_CMD) ++#define SDC_ARG REG_ADDR(SDC_ARG) ++#define SDC_STS REG_ADDR(SDC_STS) ++#define SDC_RESP0 REG_ADDR(SDC_RESP0) ++#define SDC_RESP1 REG_ADDR(SDC_RESP1) ++#define SDC_RESP2 REG_ADDR(SDC_RESP2) ++#define SDC_RESP3 REG_ADDR(SDC_RESP3) ++#define SDC_BLK_NUM REG_ADDR(SDC_BLK_NUM) ++#define SDC_CSTS REG_ADDR(SDC_CSTS) ++#define SDC_CSTS_EN REG_ADDR(SDC_CSTS_EN) ++#define SDC_DCRC_STS REG_ADDR(SDC_DCRC_STS) ++ ++/* emmc register*/ ++#define EMMC_CFG0 REG_ADDR(EMMC_CFG0) ++#define EMMC_CFG1 REG_ADDR(EMMC_CFG1) ++#define EMMC_STS REG_ADDR(EMMC_STS) ++#define EMMC_IOCON REG_ADDR(EMMC_IOCON) ++ ++/* auto command register */ ++#define SDC_ACMD_RESP REG_ADDR(SDC_ACMD_RESP) ++#define SDC_ACMD19_TRG REG_ADDR(SDC_ACMD19_TRG) ++#define SDC_ACMD19_STS REG_ADDR(SDC_ACMD19_STS) ++ ++/* dma register */ ++#define MSDC_DMA_SA REG_ADDR(MSDC_DMA_SA) ++#define MSDC_DMA_CA REG_ADDR(MSDC_DMA_CA) ++#define MSDC_DMA_CTRL REG_ADDR(MSDC_DMA_CTRL) ++#define MSDC_DMA_CFG REG_ADDR(MSDC_DMA_CFG) ++ ++/* pad ctrl register */ ++#define MSDC_PAD_CTL0 REG_ADDR(MSDC_PAD_CTL0) ++#define MSDC_PAD_CTL1 REG_ADDR(MSDC_PAD_CTL1) ++#define MSDC_PAD_CTL2 REG_ADDR(MSDC_PAD_CTL2) ++ ++/* data read delay */ ++#define MSDC_DAT_RDDLY0 REG_ADDR(MSDC_DAT_RDDLY0) ++#define MSDC_DAT_RDDLY1 REG_ADDR(MSDC_DAT_RDDLY1) ++ ++/* debug register */ ++#define MSDC_DBG_SEL REG_ADDR(MSDC_DBG_SEL) ++#define MSDC_DBG_OUT REG_ADDR(MSDC_DBG_OUT) ++ ++/* misc register */ ++#define MSDC_PATCH_BIT REG_ADDR(MSDC_PATCH_BIT) ++#define MSDC_PATCH_BIT1 REG_ADDR(MSDC_PATCH_BIT1) ++#define MSDC_PAD_TUNE REG_ADDR(MSDC_PAD_TUNE) ++#define MSDC_HW_DBG REG_ADDR(MSDC_HW_DBG) ++#define MSDC_VERSION REG_ADDR(MSDC_VERSION) ++#define MSDC_ECO_VER REG_ADDR(MSDC_ECO_VER) /* ECO Version */ ++ ++/*--------------------------------------------------------------------------*/ ++/* Register Mask */ ++/*--------------------------------------------------------------------------*/ ++ ++/* MSDC_CFG mask */ ++#define MSDC_CFG_MODE (0x1 << 0) /* RW */ ++#define MSDC_CFG_CKPDN (0x1 << 1) /* RW */ ++#define MSDC_CFG_RST (0x1 << 2) /* RW */ ++#define MSDC_CFG_PIO (0x1 << 3) /* RW */ ++#define MSDC_CFG_CKDRVEN (0x1 << 4) /* RW */ ++#define MSDC_CFG_BV18SDT (0x1 << 5) /* RW */ ++#define MSDC_CFG_BV18PSS (0x1 << 6) /* R */ ++#define MSDC_CFG_CKSTB (0x1 << 7) /* R */ ++#define MSDC_CFG_CKDIV (0xff << 8) /* RW */ ++#define MSDC_CFG_CKMOD (0x3 << 16) /* RW */ ++ ++/* MSDC_IOCON mask */ ++#define MSDC_IOCON_SDR104CKS (0x1 << 0) /* RW */ ++#define MSDC_IOCON_RSPL (0x1 << 1) /* RW */ ++#define MSDC_IOCON_DSPL (0x1 << 2) /* RW */ ++#define MSDC_IOCON_DDLSEL (0x1 << 3) /* RW */ ++#define MSDC_IOCON_DDR50CKD (0x1 << 4) /* RW */ ++#define MSDC_IOCON_DSPLSEL (0x1 << 5) /* RW */ ++#define MSDC_IOCON_D0SPL (0x1 << 16) /* RW */ ++#define MSDC_IOCON_D1SPL (0x1 << 17) /* RW */ ++#define MSDC_IOCON_D2SPL (0x1 << 18) /* RW */ ++#define MSDC_IOCON_D3SPL (0x1 << 19) /* RW */ ++#define MSDC_IOCON_D4SPL (0x1 << 20) /* RW */ ++#define MSDC_IOCON_D5SPL (0x1 << 21) /* RW */ ++#define MSDC_IOCON_D6SPL (0x1 << 22) /* RW */ ++#define MSDC_IOCON_D7SPL (0x1 << 23) /* RW */ ++#define MSDC_IOCON_RISCSZ (0x3 << 24) /* RW */ ++ ++/* MSDC_PS mask */ ++#define MSDC_PS_CDEN (0x1 << 0) /* RW */ ++#define MSDC_PS_CDSTS (0x1 << 1) /* R */ ++#define MSDC_PS_CDDEBOUNCE (0xf << 12) /* RW */ ++#define MSDC_PS_DAT (0xff << 16) /* R */ ++#define MSDC_PS_CMD (0x1 << 24) /* R */ ++#define MSDC_PS_WP (0x1UL<< 31) /* R */ ++ ++/* MSDC_INT mask */ ++#define MSDC_INT_MMCIRQ (0x1 << 0) /* W1C */ ++#define MSDC_INT_CDSC (0x1 << 1) /* W1C */ ++#define MSDC_INT_ACMDRDY (0x1 << 3) /* W1C */ ++#define MSDC_INT_ACMDTMO (0x1 << 4) /* W1C */ ++#define MSDC_INT_ACMDCRCERR (0x1 << 5) /* W1C */ ++#define MSDC_INT_DMAQ_EMPTY (0x1 << 6) /* W1C */ ++#define MSDC_INT_SDIOIRQ (0x1 << 7) /* W1C */ ++#define MSDC_INT_CMDRDY (0x1 << 8) /* W1C */ ++#define MSDC_INT_CMDTMO (0x1 << 9) /* W1C */ ++#define MSDC_INT_RSPCRCERR (0x1 << 10) /* W1C */ ++#define MSDC_INT_CSTA (0x1 << 11) /* R */ ++#define MSDC_INT_XFER_COMPL (0x1 << 12) /* W1C */ ++#define MSDC_INT_DXFER_DONE (0x1 << 13) /* W1C */ ++#define MSDC_INT_DATTMO (0x1 << 14) /* W1C */ ++#define MSDC_INT_DATCRCERR (0x1 << 15) /* W1C */ ++#define MSDC_INT_ACMD19_DONE (0x1 << 16) /* W1C */ ++ ++/* MSDC_INTEN mask */ ++#define MSDC_INTEN_MMCIRQ (0x1 << 0) /* RW */ ++#define MSDC_INTEN_CDSC (0x1 << 1) /* RW */ ++#define MSDC_INTEN_ACMDRDY (0x1 << 3) /* RW */ ++#define MSDC_INTEN_ACMDTMO (0x1 << 4) /* RW */ ++#define MSDC_INTEN_ACMDCRCERR (0x1 << 5) /* RW */ ++#define MSDC_INTEN_DMAQ_EMPTY (0x1 << 6) /* RW */ ++#define MSDC_INTEN_SDIOIRQ (0x1 << 7) /* RW */ ++#define MSDC_INTEN_CMDRDY (0x1 << 8) /* RW */ ++#define MSDC_INTEN_CMDTMO (0x1 << 9) /* RW */ ++#define MSDC_INTEN_RSPCRCERR (0x1 << 10) /* RW */ ++#define MSDC_INTEN_CSTA (0x1 << 11) /* RW */ ++#define MSDC_INTEN_XFER_COMPL (0x1 << 12) /* RW */ ++#define MSDC_INTEN_DXFER_DONE (0x1 << 13) /* RW */ ++#define MSDC_INTEN_DATTMO (0x1 << 14) /* RW */ ++#define MSDC_INTEN_DATCRCERR (0x1 << 15) /* RW */ ++#define MSDC_INTEN_ACMD19_DONE (0x1 << 16) /* RW */ ++ ++/* MSDC_FIFOCS mask */ ++#define MSDC_FIFOCS_RXCNT (0xff << 0) /* R */ ++#define MSDC_FIFOCS_TXCNT (0xff << 16) /* R */ ++#define MSDC_FIFOCS_CLR (0x1UL<< 31) /* RW */ ++ ++/* SDC_CFG mask */ ++#define SDC_CFG_SDIOINTWKUP (0x1 << 0) /* RW */ ++#define SDC_CFG_INSWKUP (0x1 << 1) /* RW */ ++#define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */ ++#define SDC_CFG_SDIO (0x1 << 19) /* RW */ ++#define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */ ++#define SDC_CFG_INTATGAP (0x1 << 21) /* RW */ ++#define SDC_CFG_DTOC (0xffUL << 24) /* RW */ ++ ++/* SDC_CMD mask */ ++#define SDC_CMD_OPC (0x3f << 0) /* RW */ ++#define SDC_CMD_BRK (0x1 << 6) /* RW */ ++#define SDC_CMD_RSPTYP (0x7 << 7) /* RW */ ++#define SDC_CMD_DTYP (0x3 << 11) /* RW */ ++#define SDC_CMD_DTYP (0x3 << 11) /* RW */ ++#define SDC_CMD_RW (0x1 << 13) /* RW */ ++#define SDC_CMD_STOP (0x1 << 14) /* RW */ ++#define SDC_CMD_GOIRQ (0x1 << 15) /* RW */ ++#define SDC_CMD_BLKLEN (0xfff<< 16) /* RW */ ++#define SDC_CMD_AUTOCMD (0x3 << 28) /* RW */ ++#define SDC_CMD_VOLSWTH (0x1 << 30) /* RW */ ++ ++/* SDC_STS mask */ ++#define SDC_STS_SDCBUSY (0x1 << 0) /* RW */ ++#define SDC_STS_CMDBUSY (0x1 << 1) /* RW */ ++#define SDC_STS_SWR_COMPL (0x1 << 31) /* RW */ ++ ++/* SDC_DCRC_STS mask */ ++#define SDC_DCRC_STS_NEG (0xf << 8) /* RO */ ++#define SDC_DCRC_STS_POS (0xff << 0) /* RO */ ++ ++/* EMMC_CFG0 mask */ ++#define EMMC_CFG0_BOOTSTART (0x1 << 0) /* W */ ++#define EMMC_CFG0_BOOTSTOP (0x1 << 1) /* W */ ++#define EMMC_CFG0_BOOTMODE (0x1 << 2) /* RW */ ++#define EMMC_CFG0_BOOTACKDIS (0x1 << 3) /* RW */ ++#define EMMC_CFG0_BOOTWDLY (0x7 << 12) /* RW */ ++#define EMMC_CFG0_BOOTSUPP (0x1 << 15) /* RW */ ++ ++/* EMMC_CFG1 mask */ ++#define EMMC_CFG1_BOOTDATTMC (0xfffff << 0) /* RW */ ++#define EMMC_CFG1_BOOTACKTMC (0xfffUL << 20) /* RW */ ++ ++/* EMMC_STS mask */ ++#define EMMC_STS_BOOTCRCERR (0x1 << 0) /* W1C */ ++#define EMMC_STS_BOOTACKERR (0x1 << 1) /* W1C */ ++#define EMMC_STS_BOOTDATTMO (0x1 << 2) /* W1C */ ++#define EMMC_STS_BOOTACKTMO (0x1 << 3) /* W1C */ ++#define EMMC_STS_BOOTUPSTATE (0x1 << 4) /* R */ ++#define EMMC_STS_BOOTACKRCV (0x1 << 5) /* W1C */ ++#define EMMC_STS_BOOTDATRCV (0x1 << 6) /* R */ ++ ++/* EMMC_IOCON mask */ ++#define EMMC_IOCON_BOOTRST (0x1 << 0) /* RW */ ++ ++/* SDC_ACMD19_TRG mask */ ++#define SDC_ACMD19_TRG_TUNESEL (0xf << 0) /* RW */ ++ ++/* MSDC_DMA_CTRL mask */ ++#define MSDC_DMA_CTRL_START (0x1 << 0) /* W */ ++#define MSDC_DMA_CTRL_STOP (0x1 << 1) /* W */ ++#define MSDC_DMA_CTRL_RESUME (0x1 << 2) /* W */ ++#define MSDC_DMA_CTRL_MODE (0x1 << 8) /* RW */ ++#define MSDC_DMA_CTRL_LASTBUF (0x1 << 10) /* RW */ ++#define MSDC_DMA_CTRL_BRUSTSZ (0x7 << 12) /* RW */ ++#define MSDC_DMA_CTRL_XFERSZ (0xffffUL << 16)/* RW */ ++ ++/* MSDC_DMA_CFG mask */ ++#define MSDC_DMA_CFG_STS (0x1 << 0) /* R */ ++#define MSDC_DMA_CFG_DECSEN (0x1 << 1) /* RW */ ++#define MSDC_DMA_CFG_BDCSERR (0x1 << 4) /* R */ ++#define MSDC_DMA_CFG_GPDCSERR (0x1 << 5) /* R */ ++ ++/* MSDC_PATCH_BIT mask */ ++#define MSDC_PATCH_BIT_WFLSMODE (0x1 << 0) /* RW */ ++#define MSDC_PATCH_BIT_ODDSUPP (0x1 << 1) /* RW */ ++#define MSDC_PATCH_BIT_CKGEN_CK (0x1 << 6) /* E2: Fixed to 1 */ ++#define MSDC_PATCH_BIT_IODSSEL (0x1 << 16) /* RW */ ++#define MSDC_PATCH_BIT_IOINTSEL (0x1 << 17) /* RW */ ++#define MSDC_PATCH_BIT_BUSYDLY (0xf << 18) /* RW */ ++#define MSDC_PATCH_BIT_WDOD (0xf << 22) /* RW */ ++#define MSDC_PATCH_BIT_IDRTSEL (0x1 << 26) /* RW */ ++#define MSDC_PATCH_BIT_CMDFSEL (0x1 << 27) /* RW */ ++#define MSDC_PATCH_BIT_INTDLSEL (0x1 << 28) /* RW */ ++#define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */ ++#define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */ ++ ++/* MSDC_PATCH_BIT1 mask */ ++#define MSDC_PATCH_BIT1_WRDAT_CRCS (0x7 << 3) ++#define MSDC_PATCH_BIT1_CMD_RSP (0x7 << 0) ++ ++/* MSDC_PAD_CTL0 mask */ ++#define MSDC_PAD_CTL0_CLKDRVN (0x7 << 0) /* RW */ ++#define MSDC_PAD_CTL0_CLKDRVP (0x7 << 4) /* RW */ ++#define MSDC_PAD_CTL0_CLKSR (0x1 << 8) /* RW */ ++#define MSDC_PAD_CTL0_CLKPD (0x1 << 16) /* RW */ ++#define MSDC_PAD_CTL0_CLKPU (0x1 << 17) /* RW */ ++#define MSDC_PAD_CTL0_CLKSMT (0x1 << 18) /* RW */ ++#define MSDC_PAD_CTL0_CLKIES (0x1 << 19) /* RW */ ++#define MSDC_PAD_CTL0_CLKTDSEL (0xf << 20) /* RW */ ++#define MSDC_PAD_CTL0_CLKRDSEL (0xffUL<< 24) /* RW */ ++ ++/* MSDC_PAD_CTL1 mask */ ++#define MSDC_PAD_CTL1_CMDDRVN (0x7 << 0) /* RW */ ++#define MSDC_PAD_CTL1_CMDDRVP (0x7 << 4) /* RW */ ++#define MSDC_PAD_CTL1_CMDSR (0x1 << 8) /* RW */ ++#define MSDC_PAD_CTL1_CMDPD (0x1 << 16) /* RW */ ++#define MSDC_PAD_CTL1_CMDPU (0x1 << 17) /* RW */ ++#define MSDC_PAD_CTL1_CMDSMT (0x1 << 18) /* RW */ ++#define MSDC_PAD_CTL1_CMDIES (0x1 << 19) /* RW */ ++#define MSDC_PAD_CTL1_CMDTDSEL (0xf << 20) /* RW */ ++#define MSDC_PAD_CTL1_CMDRDSEL (0xffUL<< 24) /* RW */ ++ ++/* MSDC_PAD_CTL2 mask */ ++#define MSDC_PAD_CTL2_DATDRVN (0x7 << 0) /* RW */ ++#define MSDC_PAD_CTL2_DATDRVP (0x7 << 4) /* RW */ ++#define MSDC_PAD_CTL2_DATSR (0x1 << 8) /* RW */ ++#define MSDC_PAD_CTL2_DATPD (0x1 << 16) /* RW */ ++#define MSDC_PAD_CTL2_DATPU (0x1 << 17) /* RW */ ++#define MSDC_PAD_CTL2_DATIES (0x1 << 19) /* RW */ ++#define MSDC_PAD_CTL2_DATSMT (0x1 << 18) /* RW */ ++#define MSDC_PAD_CTL2_DATTDSEL (0xf << 20) /* RW */ ++#define MSDC_PAD_CTL2_DATRDSEL (0xffUL<< 24) /* RW */ ++ ++/* MSDC_PAD_TUNE mask */ ++#define MSDC_PAD_TUNE_DATWRDLY (0x1F << 0) /* RW */ ++#define MSDC_PAD_TUNE_DATRRDLY (0x1F << 8) /* RW */ ++#define MSDC_PAD_TUNE_CMDRDLY (0x1F << 16) /* RW */ ++#define MSDC_PAD_TUNE_CMDRRDLY (0x1FUL << 22) /* RW */ ++#define MSDC_PAD_TUNE_CLKTXDLY (0x1FUL << 27) /* RW */ ++ ++/* MSDC_DAT_RDDLY0/1 mask */ ++#define MSDC_DAT_RDDLY0_D0 (0x1F << 0) /* RW */ ++#define MSDC_DAT_RDDLY0_D1 (0x1F << 8) /* RW */ ++#define MSDC_DAT_RDDLY0_D2 (0x1F << 16) /* RW */ ++#define MSDC_DAT_RDDLY0_D3 (0x1F << 24) /* RW */ ++ ++#define MSDC_DAT_RDDLY1_D4 (0x1F << 0) /* RW */ ++#define MSDC_DAT_RDDLY1_D5 (0x1F << 8) /* RW */ ++#define MSDC_DAT_RDDLY1_D6 (0x1F << 16) /* RW */ ++#define MSDC_DAT_RDDLY1_D7 (0x1F << 24) /* RW */ ++ ++#define MSDC_CKGEN_MSDC_DLY_SEL (0x1F<<10) ++#define MSDC_INT_DAT_LATCH_CK_SEL (0x7<<7) ++#define MSDC_CKGEN_MSDC_CK_SEL (0x1<<6) ++#define CARD_READY_FOR_DATA (1<<8) ++#define CARD_CURRENT_STATE(x) ((x&0x00001E00)>>9) ++ ++/*--------------------------------------------------------------------------*/ ++/* Descriptor Structure */ ++/*--------------------------------------------------------------------------*/ ++typedef struct { ++ u32 hwo:1; /* could be changed by hw */ ++ u32 bdp:1; ++ u32 rsv0:6; ++ u32 chksum:8; ++ u32 intr:1; ++ u32 rsv1:15; ++ void *next; ++ void *ptr; ++ u32 buflen:16; ++ u32 extlen:8; ++ u32 rsv2:8; ++ u32 arg; ++ u32 blknum; ++ u32 cmd; ++} gpd_t; ++ ++typedef struct { ++ u32 eol:1; ++ u32 rsv0:7; ++ u32 chksum:8; ++ u32 rsv1:1; ++ u32 blkpad:1; ++ u32 dwpad:1; ++ u32 rsv2:13; ++ void *next; ++ void *ptr; ++ u32 buflen:16; ++ u32 rsv3:16; ++} bd_t; ++ ++/*--------------------------------------------------------------------------*/ ++/* Register Debugging Structure */ ++/*--------------------------------------------------------------------------*/ ++ ++typedef struct { ++ u32 msdc:1; ++ u32 ckpwn:1; ++ u32 rst:1; ++ u32 pio:1; ++ u32 ckdrven:1; ++ u32 start18v:1; ++ u32 pass18v:1; ++ u32 ckstb:1; ++ u32 ckdiv:8; ++ u32 ckmod:2; ++ u32 pad:14; ++} msdc_cfg_reg; ++typedef struct { ++ u32 sdr104cksel:1; ++ u32 rsmpl:1; ++ u32 dsmpl:1; ++ u32 ddlysel:1; ++ u32 ddr50ckd:1; ++ u32 dsplsel:1; ++ u32 pad1:10; ++ u32 d0spl:1; ++ u32 d1spl:1; ++ u32 d2spl:1; ++ u32 d3spl:1; ++ u32 d4spl:1; ++ u32 d5spl:1; ++ u32 d6spl:1; ++ u32 d7spl:1; ++ u32 riscsz:1; ++ u32 pad2:7; ++} msdc_iocon_reg; ++typedef struct { ++ u32 cden:1; ++ u32 cdsts:1; ++ u32 pad1:10; ++ u32 cddebounce:4; ++ u32 dat:8; ++ u32 cmd:1; ++ u32 pad2:6; ++ u32 wp:1; ++} msdc_ps_reg; ++typedef struct { ++ u32 mmcirq:1; ++ u32 cdsc:1; ++ u32 pad1:1; ++ u32 atocmdrdy:1; ++ u32 atocmdtmo:1; ++ u32 atocmdcrc:1; ++ u32 dmaqempty:1; ++ u32 sdioirq:1; ++ u32 cmdrdy:1; ++ u32 cmdtmo:1; ++ u32 rspcrc:1; ++ u32 csta:1; ++ u32 xfercomp:1; ++ u32 dxferdone:1; ++ u32 dattmo:1; ++ u32 datcrc:1; ++ u32 atocmd19done:1; ++ u32 pad2:15; ++} msdc_int_reg; ++typedef struct { ++ u32 mmcirq:1; ++ u32 cdsc:1; ++ u32 pad1:1; ++ u32 atocmdrdy:1; ++ u32 atocmdtmo:1; ++ u32 atocmdcrc:1; ++ u32 dmaqempty:1; ++ u32 sdioirq:1; ++ u32 cmdrdy:1; ++ u32 cmdtmo:1; ++ u32 rspcrc:1; ++ u32 csta:1; ++ u32 xfercomp:1; ++ u32 dxferdone:1; ++ u32 dattmo:1; ++ u32 datcrc:1; ++ u32 atocmd19done:1; ++ u32 pad2:15; ++} msdc_inten_reg; ++typedef struct { ++ u32 rxcnt:8; ++ u32 pad1:8; ++ u32 txcnt:8; ++ u32 pad2:7; ++ u32 clr:1; ++} msdc_fifocs_reg; ++typedef struct { ++ u32 val; ++} msdc_txdat_reg; ++typedef struct { ++ u32 val; ++} msdc_rxdat_reg; ++typedef struct { ++ u32 sdiowkup:1; ++ u32 inswkup:1; ++ u32 pad1:14; ++ u32 buswidth:2; ++ u32 pad2:1; ++ u32 sdio:1; ++ u32 sdioide:1; ++ u32 intblkgap:1; ++ u32 pad4:2; ++ u32 dtoc:8; ++} sdc_cfg_reg; ++typedef struct { ++ u32 cmd:6; ++ u32 brk:1; ++ u32 rsptyp:3; ++ u32 pad1:1; ++ u32 dtype:2; ++ u32 rw:1; ++ u32 stop:1; ++ u32 goirq:1; ++ u32 blklen:12; ++ u32 atocmd:2; ++ u32 volswth:1; ++ u32 pad2:1; ++} sdc_cmd_reg; ++typedef struct { ++ u32 arg; ++} sdc_arg_reg; ++typedef struct { ++ u32 sdcbusy:1; ++ u32 cmdbusy:1; ++ u32 pad:29; ++ u32 swrcmpl:1; ++} sdc_sts_reg; ++typedef struct { ++ u32 val; ++} sdc_resp0_reg; ++typedef struct { ++ u32 val; ++} sdc_resp1_reg; ++typedef struct { ++ u32 val; ++} sdc_resp2_reg; ++typedef struct { ++ u32 val; ++} sdc_resp3_reg; ++typedef struct { ++ u32 num; ++} sdc_blknum_reg; ++typedef struct { ++ u32 sts; ++} sdc_csts_reg; ++typedef struct { ++ u32 sts; ++} sdc_cstsen_reg; ++typedef struct { ++ u32 datcrcsts:8; ++ u32 ddrcrcsts:4; ++ u32 pad:20; ++} sdc_datcrcsts_reg; ++typedef struct { ++ u32 bootstart:1; ++ u32 bootstop:1; ++ u32 bootmode:1; ++ u32 pad1:9; ++ u32 bootwaidly:3; ++ u32 bootsupp:1; ++ u32 pad2:16; ++} emmc_cfg0_reg; ++typedef struct { ++ u32 bootcrctmc:16; ++ u32 pad:4; ++ u32 bootacktmc:12; ++} emmc_cfg1_reg; ++typedef struct { ++ u32 bootcrcerr:1; ++ u32 bootackerr:1; ++ u32 bootdattmo:1; ++ u32 bootacktmo:1; ++ u32 bootupstate:1; ++ u32 bootackrcv:1; ++ u32 bootdatrcv:1; ++ u32 pad:25; ++} emmc_sts_reg; ++typedef struct { ++ u32 bootrst:1; ++ u32 pad:31; ++} emmc_iocon_reg; ++typedef struct { ++ u32 val; ++} msdc_acmd_resp_reg; ++typedef struct { ++ u32 tunesel:4; ++ u32 pad:28; ++} msdc_acmd19_trg_reg; ++typedef struct { ++ u32 val; ++} msdc_acmd19_sts_reg; ++typedef struct { ++ u32 addr; ++} msdc_dma_sa_reg; ++typedef struct { ++ u32 addr; ++} msdc_dma_ca_reg; ++typedef struct { ++ u32 start:1; ++ u32 stop:1; ++ u32 resume:1; ++ u32 pad1:5; ++ u32 mode:1; ++ u32 pad2:1; ++ u32 lastbuf:1; ++ u32 pad3:1; ++ u32 brustsz:3; ++ u32 pad4:1; ++ u32 xfersz:16; ++} msdc_dma_ctrl_reg; ++typedef struct { ++ u32 status:1; ++ u32 decsen:1; ++ u32 pad1:2; ++ u32 bdcsen:1; ++ u32 gpdcsen:1; ++ u32 pad2:26; ++} msdc_dma_cfg_reg; ++typedef struct { ++ u32 sel:16; ++ u32 pad2:16; ++} msdc_dbg_sel_reg; ++typedef struct { ++ u32 val; ++} msdc_dbg_out_reg; ++typedef struct { ++ u32 clkdrvn:3; ++ u32 rsv0:1; ++ u32 clkdrvp:3; ++ u32 rsv1:1; ++ u32 clksr:1; ++ u32 rsv2:7; ++ u32 clkpd:1; ++ u32 clkpu:1; ++ u32 clksmt:1; ++ u32 clkies:1; ++ u32 clktdsel:4; ++ u32 clkrdsel:8; ++} msdc_pad_ctl0_reg; ++typedef struct { ++ u32 cmddrvn:3; ++ u32 rsv0:1; ++ u32 cmddrvp:3; ++ u32 rsv1:1; ++ u32 cmdsr:1; ++ u32 rsv2:7; ++ u32 cmdpd:1; ++ u32 cmdpu:1; ++ u32 cmdsmt:1; ++ u32 cmdies:1; ++ u32 cmdtdsel:4; ++ u32 cmdrdsel:8; ++} msdc_pad_ctl1_reg; ++typedef struct { ++ u32 datdrvn:3; ++ u32 rsv0:1; ++ u32 datdrvp:3; ++ u32 rsv1:1; ++ u32 datsr:1; ++ u32 rsv2:7; ++ u32 datpd:1; ++ u32 datpu:1; ++ u32 datsmt:1; ++ u32 daties:1; ++ u32 dattdsel:4; ++ u32 datrdsel:8; ++} msdc_pad_ctl2_reg; ++typedef struct { ++ u32 wrrxdly:3; ++ u32 pad1:5; ++ u32 rdrxdly:8; ++ u32 pad2:16; ++} msdc_pad_tune_reg; ++typedef struct { ++ u32 dat0:5; ++ u32 rsv0:3; ++ u32 dat1:5; ++ u32 rsv1:3; ++ u32 dat2:5; ++ u32 rsv2:3; ++ u32 dat3:5; ++ u32 rsv3:3; ++} msdc_dat_rddly0; ++typedef struct { ++ u32 dat4:5; ++ u32 rsv4:3; ++ u32 dat5:5; ++ u32 rsv5:3; ++ u32 dat6:5; ++ u32 rsv6:3; ++ u32 dat7:5; ++ u32 rsv7:3; ++} msdc_dat_rddly1; ++typedef struct { ++ u32 dbg0sel:8; ++ u32 dbg1sel:6; ++ u32 pad1:2; ++ u32 dbg2sel:6; ++ u32 pad2:2; ++ u32 dbg3sel:6; ++ u32 pad3:2; ++} msdc_hw_dbg_reg; ++typedef struct { ++ u32 val; ++} msdc_version_reg; ++typedef struct { ++ u32 val; ++} msdc_eco_ver_reg; ++ ++struct msdc_regs { ++ msdc_cfg_reg msdc_cfg; /* base+0x00h */ ++ msdc_iocon_reg msdc_iocon; /* base+0x04h */ ++ msdc_ps_reg msdc_ps; /* base+0x08h */ ++ msdc_int_reg msdc_int; /* base+0x0ch */ ++ msdc_inten_reg msdc_inten; /* base+0x10h */ ++ msdc_fifocs_reg msdc_fifocs; /* base+0x14h */ ++ msdc_txdat_reg msdc_txdat; /* base+0x18h */ ++ msdc_rxdat_reg msdc_rxdat; /* base+0x1ch */ ++ u32 rsv1[4]; ++ sdc_cfg_reg sdc_cfg; /* base+0x30h */ ++ sdc_cmd_reg sdc_cmd; /* base+0x34h */ ++ sdc_arg_reg sdc_arg; /* base+0x38h */ ++ sdc_sts_reg sdc_sts; /* base+0x3ch */ ++ sdc_resp0_reg sdc_resp0; /* base+0x40h */ ++ sdc_resp1_reg sdc_resp1; /* base+0x44h */ ++ sdc_resp2_reg sdc_resp2; /* base+0x48h */ ++ sdc_resp3_reg sdc_resp3; /* base+0x4ch */ ++ sdc_blknum_reg sdc_blknum; /* base+0x50h */ ++ u32 rsv2[1]; ++ sdc_csts_reg sdc_csts; /* base+0x58h */ ++ sdc_cstsen_reg sdc_cstsen; /* base+0x5ch */ ++ sdc_datcrcsts_reg sdc_dcrcsta; /* base+0x60h */ ++ u32 rsv3[3]; ++ emmc_cfg0_reg emmc_cfg0; /* base+0x70h */ ++ emmc_cfg1_reg emmc_cfg1; /* base+0x74h */ ++ emmc_sts_reg emmc_sts; /* base+0x78h */ ++ emmc_iocon_reg emmc_iocon; /* base+0x7ch */ ++ msdc_acmd_resp_reg acmd_resp; /* base+0x80h */ ++ msdc_acmd19_trg_reg acmd19_trg; /* base+0x84h */ ++ msdc_acmd19_sts_reg acmd19_sts; /* base+0x88h */ ++ u32 rsv4[1]; ++ msdc_dma_sa_reg dma_sa; /* base+0x90h */ ++ msdc_dma_ca_reg dma_ca; /* base+0x94h */ ++ msdc_dma_ctrl_reg dma_ctrl; /* base+0x98h */ ++ msdc_dma_cfg_reg dma_cfg; /* base+0x9ch */ ++ msdc_dbg_sel_reg dbg_sel; /* base+0xa0h */ ++ msdc_dbg_out_reg dbg_out; /* base+0xa4h */ ++ u32 rsv5[2]; ++ u32 patch0; /* base+0xb0h */ ++ u32 patch1; /* base+0xb4h */ ++ u32 rsv6[10]; ++ msdc_pad_ctl0_reg pad_ctl0; /* base+0xe0h */ ++ msdc_pad_ctl1_reg pad_ctl1; /* base+0xe4h */ ++ msdc_pad_ctl2_reg pad_ctl2; /* base+0xe8h */ ++ msdc_pad_tune_reg pad_tune; /* base+0xech */ ++ msdc_dat_rddly0 dat_rddly0; /* base+0xf0h */ ++ msdc_dat_rddly1 dat_rddly1; /* base+0xf4h */ ++ msdc_hw_dbg_reg hw_dbg; /* base+0xf8h */ ++ u32 rsv7[1]; ++ msdc_version_reg version; /* base+0x100h */ ++ msdc_eco_ver_reg eco_ver; /* base+0x104h */ ++}; ++ ++struct scatterlist_ex { ++ u32 cmd; ++ u32 arg; ++ u32 sglen; ++ struct scatterlist *sg; ++}; ++ ++#define DMA_FLAG_NONE (0x00000000) ++#define DMA_FLAG_EN_CHKSUM (0x00000001) ++#define DMA_FLAG_PAD_BLOCK (0x00000002) ++#define DMA_FLAG_PAD_DWORD (0x00000004) ++ ++struct msdc_dma { ++ u32 flags; /* flags */ ++ u32 xfersz; /* xfer size in bytes */ ++ u32 sglen; /* size of scatter list */ ++ u32 blklen; /* block size */ ++ struct scatterlist *sg; /* I/O scatter list */ ++ struct scatterlist_ex *esg; /* extended I/O scatter list */ ++ u8 mode; /* dma mode */ ++ u8 burstsz; /* burst size */ ++ u8 intr; /* dma done interrupt */ ++ u8 padding; /* padding */ ++ u32 cmd; /* enhanced mode command */ ++ u32 arg; /* enhanced mode arg */ ++ u32 rsp; /* enhanced mode command response */ ++ u32 autorsp; /* auto command response */ ++ ++ gpd_t *gpd; /* pointer to gpd array */ ++ bd_t *bd; /* pointer to bd array */ ++ dma_addr_t gpd_addr; /* the physical address of gpd array */ ++ dma_addr_t bd_addr; /* the physical address of bd array */ ++ u32 used_gpd; /* the number of used gpd elements */ ++ u32 used_bd; /* the number of used bd elements */ ++}; ++ ++struct msdc_host ++{ ++ struct msdc_hw *hw; ++ ++ struct mmc_host *mmc; /* mmc structure */ ++ struct mmc_command *cmd; ++ struct mmc_data *data; ++ struct mmc_request *mrq; ++ int cmd_rsp; ++ int cmd_rsp_done; ++ int cmd_r1b_done; ++ ++ int error; ++ spinlock_t lock; /* mutex */ ++ struct semaphore sem; ++ ++ u32 blksz; /* host block size */ ++ u32 base; /* host base address */ ++ int id; /* host id */ ++ int pwr_ref; /* core power reference count */ ++ ++ u32 xfer_size; /* total transferred size */ ++ ++ struct msdc_dma dma; /* dma channel */ ++ u32 dma_addr; /* dma transfer address */ ++ u32 dma_left_size; /* dma transfer left size */ ++ u32 dma_xfer_size; /* dma transfer size in bytes */ ++ int dma_xfer; /* dma transfer mode */ ++ ++ u32 timeout_ns; /* data timeout ns */ ++ u32 timeout_clks; /* data timeout clks */ ++ ++ atomic_t abort; /* abort transfer */ ++ ++ int irq; /* host interrupt */ ++ ++ struct tasklet_struct card_tasklet; ++#if 0 ++ struct work_struct card_workqueue; ++#else ++ struct delayed_work card_delaywork; ++#endif ++ ++ struct completion cmd_done; ++ struct completion xfer_done; ++ struct pm_message pm_state; ++ ++ u32 mclk; /* mmc subsystem clock */ ++ u32 hclk; /* host clock speed */ ++ u32 sclk; /* SD/MS clock speed */ ++ u8 core_clkon; /* Host core clock on ? */ ++ u8 card_clkon; /* Card clock on ? */ ++ u8 core_power; /* core power */ ++ u8 power_mode; /* host power mode */ ++ u8 card_inserted; /* card inserted ? */ ++ u8 suspend; /* host suspended ? */ ++ u8 reserved; ++ u8 app_cmd; /* for app command */ ++ u32 app_cmd_arg; ++ u64 starttime; ++}; ++ ++static inline unsigned int uffs(unsigned int x) ++{ ++ unsigned int r = 1; ++ ++ if (!x) ++ return 0; ++ if (!(x & 0xffff)) { ++ x >>= 16; ++ r += 16; ++ } ++ if (!(x & 0xff)) { ++ x >>= 8; ++ r += 8; ++ } ++ if (!(x & 0xf)) { ++ x >>= 4; ++ r += 4; ++ } ++ if (!(x & 3)) { ++ x >>= 2; ++ r += 2; ++ } ++ if (!(x & 1)) { ++ x >>= 1; ++ r += 1; ++ } ++ return r; ++} ++#define sdr_read8(reg) __raw_readb(reg) ++#define sdr_read16(reg) __raw_readw(reg) ++#define sdr_read32(reg) __raw_readl(reg) ++#define sdr_write8(reg,val) __raw_writeb(val,reg) ++#define sdr_write16(reg,val) __raw_writew(val,reg) ++#define sdr_write32(reg,val) __raw_writel(val,reg) ++ ++#define sdr_set_bits(reg,bs) ((*(volatile u32*)(reg)) |= (u32)(bs)) ++#define sdr_clr_bits(reg,bs) ((*(volatile u32*)(reg)) &= ~((u32)(bs))) ++ ++#define sdr_set_field(reg,field,val) \ ++ do { \ ++ volatile unsigned int tv = sdr_read32(reg); \ ++ tv &= ~(field); \ ++ tv |= ((val) << (uffs((unsigned int)field) - 1)); \ ++ sdr_write32(reg,tv); \ ++ } while(0) ++#define sdr_get_field(reg,field,val) \ ++ do { \ ++ volatile unsigned int tv = sdr_read32(reg); \ ++ val = ((tv & (field)) >> (uffs((unsigned int)field) - 1)); \ ++ } while(0) ++ ++#endif ++ +--- /dev/null ++++ b/drivers/mmc/host/mtk-mmc/sd.c +@@ -0,0 +1,3047 @@ ++/* Copyright Statement: ++ * ++ * This software/firmware and related documentation ("MediaTek Software") are ++ * protected under relevant copyright laws. The information contained herein ++ * is confidential and proprietary to MediaTek Inc. and/or its licensors. ++ * Without the prior written permission of MediaTek inc. and/or its licensors, ++ * any reproduction, modification, use or disclosure of MediaTek Software, ++ * and information contained herein, in whole or in part, shall be strictly prohibited. ++ * ++ * MediaTek Inc. (C) 2010. All rights reserved. ++ * ++ * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES ++ * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE") ++ * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON ++ * AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES, ++ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF ++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT. ++ * NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE ++ * SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR ++ * SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH ++ * THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES ++ * THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES ++ * CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK ++ * SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR ++ * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND ++ * CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE, ++ * AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE, ++ * OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO ++ * MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. ++ * ++ * The following software/firmware and/or related documentation ("MediaTek Software") ++ * have been modified by MediaTek Inc. All revisions are subject to any receiver's ++ * applicable license agreements with MediaTek Inc. ++ */ ++ ++#include <linux/module.h> ++#include <linux/moduleparam.h> ++#include <linux/init.h> ++#include <linux/spinlock.h> ++#include <linux/timer.h> ++#include <linux/ioport.h> ++#include <linux/device.h> ++#include <linux/platform_device.h> ++#include <linux/interrupt.h> ++#include <linux/delay.h> ++#include <linux/blkdev.h> ++#include <linux/slab.h> ++#include <linux/mmc/host.h> ++#include <linux/mmc/card.h> ++#include <linux/mmc/core.h> ++#include <linux/mmc/mmc.h> ++#include <linux/mmc/sd.h> ++#include <linux/mmc/sdio.h> ++#include <linux/dma-mapping.h> ++ ++/* +++ by chhung */ ++#include <linux/types.h> ++#include <linux/kernel.h> ++#include <linux/version.h> ++#include <linux/pm.h> ++ ++#define MSDC_SMPL_FALLING (1) ++#define MSDC_CD_PIN_EN (1 << 0) /* card detection pin is wired */ ++#define MSDC_WP_PIN_EN (1 << 1) /* write protection pin is wired */ ++#define MSDC_REMOVABLE (1 << 5) /* removable slot */ ++#define MSDC_SYS_SUSPEND (1 << 6) /* suspended by system */ ++#define MSDC_HIGHSPEED (1 << 7) ++ ++//#define IRQ_SDC 14 //MT7620 /*FIXME*/ ++#ifdef CONFIG_SOC_MT7621 ++#define RALINK_SYSCTL_BASE 0xbe000000 ++#define RALINK_MSDC_BASE 0xbe130000 ++#else ++#define RALINK_SYSCTL_BASE 0xb0000000 ++#define RALINK_MSDC_BASE 0xb0130000 ++#endif ++#define IRQ_SDC 22 /*FIXME*/ ++ ++#include <asm/dma.h> ++/* end of +++ */ ++ ++ ++#include <asm/mach-ralink/ralink_regs.h> ++ ++#if 0 /* --- by chhung */ ++#include <mach/board.h> ++#include <mach/mt6575_devs.h> ++#include <mach/mt6575_typedefs.h> ++#include <mach/mt6575_clock_manager.h> ++#include <mach/mt6575_pm_ldo.h> ++//#include <mach/mt6575_pll.h> ++//#include <mach/mt6575_gpio.h> ++//#include <mach/mt6575_gpt_sw.h> ++#include <asm/tcm.h> ++// #include <mach/mt6575_gpt.h> ++#endif /* end of --- */ ++ ++#include "mt6575_sd.h" ++#include "dbg.h" ++ ++/* +++ by chhung */ ++#include "board.h" ++/* end of +++ */ ++ ++#if 0 /* --- by chhung */ ++#define isb() __asm__ __volatile__ ("" : : : "memory") ++#define dsb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 4" \ ++ : : "r" (0) : "memory") ++#define dmb() __asm__ __volatile__ ("" : : : "memory") ++#endif /* end of --- */ ++ ++#define DRV_NAME "mtk-sd" ++ ++#define HOST_MAX_NUM (1) /* +/- by chhung */ ++ ++#if defined (CONFIG_SOC_MT7620) ++#define HOST_MAX_MCLK (48000000) /* +/- by chhung */ ++#elif defined (CONFIG_SOC_MT7621) ++#define HOST_MAX_MCLK (50000000) /* +/- by chhung */ ++#endif ++#define HOST_MIN_MCLK (260000) ++ ++#define HOST_MAX_BLKSZ (2048) ++ ++#define MSDC_OCR_AVAIL (MMC_VDD_28_29 | MMC_VDD_29_30 | MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33) ++ ++#define GPIO_PULL_DOWN (0) ++#define GPIO_PULL_UP (1) ++ ++#if 0 /* --- by chhung */ ++#define MSDC_CLKSRC_REG (0xf100000C) ++#define PDN_REG (0xF1000010) ++#endif /* end of --- */ ++ ++#define DEFAULT_DEBOUNCE (8) /* 8 cycles */ ++#define DEFAULT_DTOC (40) /* data timeout counter. 65536x40 sclk. */ ++ ++#define CMD_TIMEOUT (HZ/10) /* 100ms */ ++#define DAT_TIMEOUT (HZ/2 * 5) /* 500ms x5 */ ++ ++#define MAX_DMA_CNT (64 * 1024 - 512) /* a single transaction for WIFI may be 50K*/ ++ ++#define MAX_GPD_NUM (1 + 1) /* one null gpd */ ++#define MAX_BD_NUM (1024) ++#define MAX_BD_PER_GPD (MAX_BD_NUM) ++ ++#define MAX_HW_SGMTS (MAX_BD_NUM) ++#define MAX_PHY_SGMTS (MAX_BD_NUM) ++#define MAX_SGMT_SZ (MAX_DMA_CNT) ++#define MAX_REQ_SZ (MAX_SGMT_SZ * 8) ++ ++#ifdef MT6575_SD_DEBUG ++static struct msdc_regs *msdc_reg[HOST_MAX_NUM]; ++#endif ++ ++//================================= ++#define PERI_MSDC0_PDN (15) ++//#define PERI_MSDC1_PDN (16) ++//#define PERI_MSDC2_PDN (17) ++//#define PERI_MSDC3_PDN (18) ++ ++struct msdc_host *msdc_6575_host[] = {NULL,NULL,NULL,NULL}; ++#if 0 /* --- by chhung */ ++/* gate means clock power down */ ++static int g_clk_gate = 0; ++#define msdc_gate_clock(id) \ ++ do { \ ++ g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)); \ ++ } while(0) ++/* not like power down register. 1 means clock on. */ ++#define msdc_ungate_clock(id) \ ++ do { \ ++ g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN); \ ++ } while(0) ++ ++// do we need sync object or not ++void msdc_clk_status(int * status) ++{ ++ *status = g_clk_gate; ++} ++#endif /* end of --- */ ++ ++/* +++ by chhung */ ++struct msdc_hw msdc0_hw = { ++ .clk_src = 0, ++ .cmd_edge = MSDC_SMPL_FALLING, ++ .data_edge = MSDC_SMPL_FALLING, ++ .clk_drv = 4, ++ .cmd_drv = 4, ++ .dat_drv = 4, ++ .data_pins = 4, ++ .data_offset = 0, ++ .flags = MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED, ++// .flags = MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE, ++}; ++ ++static struct resource mtk_sd_resources[] = { ++ [0] = { ++ .start = RALINK_MSDC_BASE, ++ .end = RALINK_MSDC_BASE+0x3fff, ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = IRQ_SDC, /*FIXME*/ ++ .end = IRQ_SDC, /*FIXME*/ ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static struct platform_device mtk_sd_device = { ++ .name = "mtk-sd", ++ .id = 0, ++ .num_resources = ARRAY_SIZE(mtk_sd_resources), ++ .resource = mtk_sd_resources, ++}; ++/* end of +++ */ ++ ++static int msdc_rsp[] = { ++ 0, /* RESP_NONE */ ++ 1, /* RESP_R1 */ ++ 2, /* RESP_R2 */ ++ 3, /* RESP_R3 */ ++ 4, /* RESP_R4 */ ++ 1, /* RESP_R5 */ ++ 1, /* RESP_R6 */ ++ 1, /* RESP_R7 */ ++ 7, /* RESP_R1b */ ++}; ++ ++/* For Inhanced DMA */ ++#define msdc_init_gpd_ex(gpd,extlen,cmd,arg,blknum) \ ++ do { \ ++ ((gpd_t*)gpd)->extlen = extlen; \ ++ ((gpd_t*)gpd)->cmd = cmd; \ ++ ((gpd_t*)gpd)->arg = arg; \ ++ ((gpd_t*)gpd)->blknum = blknum; \ ++ }while(0) ++ ++#define msdc_init_bd(bd, blkpad, dwpad, dptr, dlen) \ ++ do { \ ++ BUG_ON(dlen > 0xFFFFUL); \ ++ ((bd_t*)bd)->blkpad = blkpad; \ ++ ((bd_t*)bd)->dwpad = dwpad; \ ++ ((bd_t*)bd)->ptr = (void*)dptr; \ ++ ((bd_t*)bd)->buflen = dlen; \ ++ }while(0) ++ ++#define msdc_txfifocnt() ((sdr_read32(MSDC_FIFOCS) & MSDC_FIFOCS_TXCNT) >> 16) ++#define msdc_rxfifocnt() ((sdr_read32(MSDC_FIFOCS) & MSDC_FIFOCS_RXCNT) >> 0) ++#define msdc_fifo_write32(v) sdr_write32(MSDC_TXDATA, (v)) ++#define msdc_fifo_write8(v) sdr_write8(MSDC_TXDATA, (v)) ++#define msdc_fifo_read32() sdr_read32(MSDC_RXDATA) ++#define msdc_fifo_read8() sdr_read8(MSDC_RXDATA) ++ ++ ++#define msdc_dma_on() sdr_clr_bits(MSDC_CFG, MSDC_CFG_PIO) ++#define msdc_dma_off() sdr_set_bits(MSDC_CFG, MSDC_CFG_PIO) ++ ++#define msdc_retry(expr,retry,cnt) \ ++ do { \ ++ int backup = cnt; \ ++ while (retry) { \ ++ if (!(expr)) break; \ ++ if (cnt-- == 0) { \ ++ retry--; mdelay(1); cnt = backup; \ ++ } \ ++ } \ ++ WARN_ON(retry == 0); \ ++ } while(0) ++ ++#if 0 /* --- by chhung */ ++#define msdc_reset() \ ++ do { \ ++ int retry = 3, cnt = 1000; \ ++ sdr_set_bits(MSDC_CFG, MSDC_CFG_RST); \ ++ dsb(); \ ++ msdc_retry(sdr_read32(MSDC_CFG) & MSDC_CFG_RST, retry, cnt); \ ++ } while(0) ++#else ++#define msdc_reset() \ ++ do { \ ++ int retry = 3, cnt = 1000; \ ++ sdr_set_bits(MSDC_CFG, MSDC_CFG_RST); \ ++ msdc_retry(sdr_read32(MSDC_CFG) & MSDC_CFG_RST, retry, cnt); \ ++ } while(0) ++#endif /* end of +/- */ ++ ++#define msdc_clr_int() \ ++ do { \ ++ volatile u32 val = sdr_read32(MSDC_INT); \ ++ sdr_write32(MSDC_INT, val); \ ++ } while(0) ++ ++#define msdc_clr_fifo() \ ++ do { \ ++ int retry = 3, cnt = 1000; \ ++ sdr_set_bits(MSDC_FIFOCS, MSDC_FIFOCS_CLR); \ ++ msdc_retry(sdr_read32(MSDC_FIFOCS) & MSDC_FIFOCS_CLR, retry, cnt); \ ++ } while(0) ++ ++#define msdc_irq_save(val) \ ++ do { \ ++ val = sdr_read32(MSDC_INTEN); \ ++ sdr_clr_bits(MSDC_INTEN, val); \ ++ } while(0) ++ ++#define msdc_irq_restore(val) \ ++ do { \ ++ sdr_set_bits(MSDC_INTEN, val); \ ++ } while(0) ++ ++/* clock source for host: global */ ++#if defined (CONFIG_SOC_MT7620) ++static u32 hclks[] = {48000000}; /* +/- by chhung */ ++#elif defined (CONFIG_SOC_MT7621) ++static u32 hclks[] = {50000000}; /* +/- by chhung */ ++#endif ++ ++//============================================ ++// the power for msdc host controller: global ++// always keep the VMC on. ++//============================================ ++#define msdc_vcore_on(host) \ ++ do { \ ++ INIT_MSG("[+]VMC ref. count<%d>", ++host->pwr_ref); \ ++ (void)hwPowerOn(MT65XX_POWER_LDO_VMC, VOL_3300, "SD"); \ ++ } while (0) ++#define msdc_vcore_off(host) \ ++ do { \ ++ INIT_MSG("[-]VMC ref. count<%d>", --host->pwr_ref); \ ++ (void)hwPowerDown(MT65XX_POWER_LDO_VMC, "SD"); \ ++ } while (0) ++ ++//==================================== ++// the vdd output for card: global ++// always keep the VMCH on. ++//==================================== ++#define msdc_vdd_on(host) \ ++ do { \ ++ (void)hwPowerOn(MT65XX_POWER_LDO_VMCH, VOL_3300, "SD"); \ ++ } while (0) ++#define msdc_vdd_off(host) \ ++ do { \ ++ (void)hwPowerDown(MT65XX_POWER_LDO_VMCH, "SD"); \ ++ } while (0) ++ ++#define sdc_is_busy() (sdr_read32(SDC_STS) & SDC_STS_SDCBUSY) ++#define sdc_is_cmd_busy() (sdr_read32(SDC_STS) & SDC_STS_CMDBUSY) ++ ++#define sdc_send_cmd(cmd,arg) \ ++ do { \ ++ sdr_write32(SDC_ARG, (arg)); \ ++ sdr_write32(SDC_CMD, (cmd)); \ ++ } while(0) ++ ++// can modify to read h/w register. ++//#define is_card_present(h) ((sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1); ++#define is_card_present(h) (((struct msdc_host*)(h))->card_inserted) ++ ++/* +++ by chhung */ ++#ifndef __ASSEMBLY__ ++#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) ++#else ++#define PHYSADDR(a) ((a) & 0x1fffffff) ++#endif ++/* end of +++ */ ++static unsigned int msdc_do_command(struct msdc_host *host, ++ struct mmc_command *cmd, ++ int tune, ++ unsigned long timeout); ++ ++static int msdc_tune_cmdrsp(struct msdc_host*host,struct mmc_command *cmd); ++ ++#ifdef MT6575_SD_DEBUG ++static void msdc_dump_card_status(struct msdc_host *host, u32 status) ++{ ++ static char *state[] = { ++ "Idle", /* 0 */ ++ "Ready", /* 1 */ ++ "Ident", /* 2 */ ++ "Stby", /* 3 */ ++ "Tran", /* 4 */ ++ "Data", /* 5 */ ++ "Rcv", /* 6 */ ++ "Prg", /* 7 */ ++ "Dis", /* 8 */ ++ "Reserved", /* 9 */ ++ "Reserved", /* 10 */ ++ "Reserved", /* 11 */ ++ "Reserved", /* 12 */ ++ "Reserved", /* 13 */ ++ "Reserved", /* 14 */ ++ "I/O mode", /* 15 */ ++ }; ++ if (status & R1_OUT_OF_RANGE) ++ N_MSG(RSP, "[CARD_STATUS] Out of Range"); ++ if (status & R1_ADDRESS_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] Address Error"); ++ if (status & R1_BLOCK_LEN_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] Block Len Error"); ++ if (status & R1_ERASE_SEQ_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] Erase Seq Error"); ++ if (status & R1_ERASE_PARAM) ++ N_MSG(RSP, "[CARD_STATUS] Erase Param"); ++ if (status & R1_WP_VIOLATION) ++ N_MSG(RSP, "[CARD_STATUS] WP Violation"); ++ if (status & R1_CARD_IS_LOCKED) ++ N_MSG(RSP, "[CARD_STATUS] Card is Locked"); ++ if (status & R1_LOCK_UNLOCK_FAILED) ++ N_MSG(RSP, "[CARD_STATUS] Lock/Unlock Failed"); ++ if (status & R1_COM_CRC_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] Command CRC Error"); ++ if (status & R1_ILLEGAL_COMMAND) ++ N_MSG(RSP, "[CARD_STATUS] Illegal Command"); ++ if (status & R1_CARD_ECC_FAILED) ++ N_MSG(RSP, "[CARD_STATUS] Card ECC Failed"); ++ if (status & R1_CC_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] CC Error"); ++ if (status & R1_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] Error"); ++ if (status & R1_UNDERRUN) ++ N_MSG(RSP, "[CARD_STATUS] Underrun"); ++ if (status & R1_OVERRUN) ++ N_MSG(RSP, "[CARD_STATUS] Overrun"); ++ if (status & R1_CID_CSD_OVERWRITE) ++ N_MSG(RSP, "[CARD_STATUS] CID/CSD Overwrite"); ++ if (status & R1_WP_ERASE_SKIP) ++ N_MSG(RSP, "[CARD_STATUS] WP Eraser Skip"); ++ if (status & R1_CARD_ECC_DISABLED) ++ N_MSG(RSP, "[CARD_STATUS] Card ECC Disabled"); ++ if (status & R1_ERASE_RESET) ++ N_MSG(RSP, "[CARD_STATUS] Erase Reset"); ++ if (status & R1_READY_FOR_DATA) ++ N_MSG(RSP, "[CARD_STATUS] Ready for Data"); ++ if (status & R1_SWITCH_ERROR) ++ N_MSG(RSP, "[CARD_STATUS] Switch error"); ++ if (status & R1_APP_CMD) ++ N_MSG(RSP, "[CARD_STATUS] App Command"); ++ ++ N_MSG(RSP, "[CARD_STATUS] '%s' State", state[R1_CURRENT_STATE(status)]); ++} ++ ++static void msdc_dump_ocr_reg(struct msdc_host *host, u32 resp) ++{ ++ if (resp & (1 << 7)) ++ N_MSG(RSP, "[OCR] Low Voltage Range"); ++ if (resp & (1 << 15)) ++ N_MSG(RSP, "[OCR] 2.7-2.8 volt"); ++ if (resp & (1 << 16)) ++ N_MSG(RSP, "[OCR] 2.8-2.9 volt"); ++ if (resp & (1 << 17)) ++ N_MSG(RSP, "[OCR] 2.9-3.0 volt"); ++ if (resp & (1 << 18)) ++ N_MSG(RSP, "[OCR] 3.0-3.1 volt"); ++ if (resp & (1 << 19)) ++ N_MSG(RSP, "[OCR] 3.1-3.2 volt"); ++ if (resp & (1 << 20)) ++ N_MSG(RSP, "[OCR] 3.2-3.3 volt"); ++ if (resp & (1 << 21)) ++ N_MSG(RSP, "[OCR] 3.3-3.4 volt"); ++ if (resp & (1 << 22)) ++ N_MSG(RSP, "[OCR] 3.4-3.5 volt"); ++ if (resp & (1 << 23)) ++ N_MSG(RSP, "[OCR] 3.5-3.6 volt"); ++ if (resp & (1 << 24)) ++ N_MSG(RSP, "[OCR] Switching to 1.8V Accepted (S18A)"); ++ if (resp & (1 << 30)) ++ N_MSG(RSP, "[OCR] Card Capacity Status (CCS)"); ++ if (resp & (1 << 31)) ++ N_MSG(RSP, "[OCR] Card Power Up Status (Idle)"); ++ else ++ N_MSG(RSP, "[OCR] Card Power Up Status (Busy)"); ++} ++ ++static void msdc_dump_rca_resp(struct msdc_host *host, u32 resp) ++{ ++ u32 status = (((resp >> 15) & 0x1) << 23) | ++ (((resp >> 14) & 0x1) << 22) | ++ (((resp >> 13) & 0x1) << 19) | ++ (resp & 0x1fff); ++ ++ N_MSG(RSP, "[RCA] 0x%.4x", resp >> 16); ++ msdc_dump_card_status(host, status); ++} ++ ++static void msdc_dump_io_resp(struct msdc_host *host, u32 resp) ++{ ++ u32 flags = (resp >> 8) & 0xFF; ++ char *state[] = {"DIS", "CMD", "TRN", "RFU"}; ++ ++ if (flags & (1 << 7)) ++ N_MSG(RSP, "[IO] COM_CRC_ERR"); ++ if (flags & (1 << 6)) ++ N_MSG(RSP, "[IO] Illgal command"); ++ if (flags & (1 << 3)) ++ N_MSG(RSP, "[IO] Error"); ++ if (flags & (1 << 2)) ++ N_MSG(RSP, "[IO] RFU"); ++ if (flags & (1 << 1)) ++ N_MSG(RSP, "[IO] Function number error"); ++ if (flags & (1 << 0)) ++ N_MSG(RSP, "[IO] Out of range"); ++ ++ N_MSG(RSP, "[IO] State: %s, Data:0x%x", state[(resp >> 12) & 0x3], resp & 0xFF); ++} ++#endif ++ ++static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) ++{ ++ u32 base = host->base; ++ u32 timeout, clk_ns; ++ ++ host->timeout_ns = ns; ++ host->timeout_clks = clks; ++ ++ clk_ns = 1000000000UL / host->sclk; ++ timeout = ns / clk_ns + clks; ++ timeout = timeout >> 16; /* in 65536 sclk cycle unit */ ++ timeout = timeout > 1 ? timeout - 1 : 0; ++ timeout = timeout > 255 ? 255 : timeout; ++ ++ sdr_set_field(SDC_CFG, SDC_CFG_DTOC, timeout); ++ ++ N_MSG(OPS, "Set read data timeout: %dns %dclks -> %d x 65536 cycles", ++ ns, clks, timeout + 1); ++} ++ ++/* msdc_eirq_sdio() will be called when EIRQ(for WIFI) */ ++static void msdc_eirq_sdio(void *data) ++{ ++ struct msdc_host *host = (struct msdc_host *)data; ++ ++ N_MSG(INT, "SDIO EINT"); ++ ++ mmc_signal_sdio_irq(host->mmc); ++} ++ ++/* msdc_eirq_cd will not be used! We not using EINT for card detection. */ ++static void msdc_eirq_cd(void *data) ++{ ++ struct msdc_host *host = (struct msdc_host *)data; ++ ++ N_MSG(INT, "CD EINT"); ++ ++#if 0 ++ tasklet_hi_schedule(&host->card_tasklet); ++#else ++ schedule_delayed_work(&host->card_delaywork, HZ); ++#endif ++} ++ ++#if 0 ++static void msdc_tasklet_card(unsigned long arg) ++{ ++ struct msdc_host *host = (struct msdc_host *)arg; ++#else ++static void msdc_tasklet_card(struct work_struct *work) ++{ ++ struct msdc_host *host = (struct msdc_host *)container_of(work, ++ struct msdc_host, card_delaywork.work); ++#endif ++ struct msdc_hw *hw = host->hw; ++ u32 base = host->base; ++ u32 inserted; ++ u32 status = 0; ++ //u32 change = 0; ++ ++ spin_lock(&host->lock); ++ ++ if (hw->get_cd_status) { // NULL ++ inserted = hw->get_cd_status(); ++ } else { ++ status = sdr_read32(MSDC_PS); ++ inserted = (status & MSDC_PS_CDSTS) ? 0 : 1; ++ } ++ ++#if 0 ++ change = host->card_inserted ^ inserted; ++ host->card_inserted = inserted; ++ ++ if (change && !host->suspend) { ++ if (inserted) { ++ host->mmc->f_max = HOST_MAX_MCLK; // work around ++ } ++ mmc_detect_change(host->mmc, msecs_to_jiffies(20)); ++ } ++#else /* Make sure: handle the last interrupt */ ++ host->card_inserted = inserted; ++ ++ if (!host->suspend) { ++ host->mmc->f_max = HOST_MAX_MCLK; ++ mmc_detect_change(host->mmc, msecs_to_jiffies(20)); ++ } ++ ++ IRQ_MSG("card found<%s>", inserted ? "inserted" : "removed"); ++#endif ++ ++ spin_unlock(&host->lock); ++} ++ ++#if 0 /* --- by chhung */ ++/* For E2 only */ ++static u8 clk_src_bit[4] = { ++ 0, 3, 5, 7 ++}; ++ ++static void msdc_select_clksrc(struct msdc_host* host, unsigned char clksrc) ++{ ++ u32 val; ++ u32 base = host->base; ++ ++ BUG_ON(clksrc > 3); ++ INIT_MSG("set clock source to <%d>", clksrc); ++ ++ val = sdr_read32(MSDC_CLKSRC_REG); ++ if (sdr_read32(MSDC_ECO_VER) >= 4) { ++ val &= ~(0x3 << clk_src_bit[host->id]); ++ val |= clksrc << clk_src_bit[host->id]; ++ } else { ++ val &= ~0x3; val |= clksrc; ++ } ++ sdr_write32(MSDC_CLKSRC_REG, val); ++ ++ host->hclk = hclks[clksrc]; ++ host->hw->clk_src = clksrc; ++} ++#endif /* end of --- */ ++ ++static void msdc_set_mclk(struct msdc_host *host, int ddr, unsigned int hz) ++{ ++ //struct msdc_hw *hw = host->hw; ++ u32 base = host->base; ++ u32 mode; ++ u32 flags; ++ u32 div; ++ u32 sclk; ++ u32 hclk = host->hclk; ++ //u8 clksrc = hw->clk_src; ++ ++ if (!hz) { // set mmc system clock to 0 ? ++ ERR_MSG("set mclk to 0!!!"); ++ msdc_reset(); ++ return; ++ } ++ ++ msdc_irq_save(flags); ++ ++#if defined (CONFIG_MT7621_FPGA) || defined (CONFIG_MT7628_FPGA) ++ mode = 0x0; /* use divisor */ ++ if (hz >= (hclk >> 1)) { ++ div = 0; /* mean div = 1/2 */ ++ sclk = hclk >> 1; /* sclk = clk / 2 */ ++ } else { ++ div = (hclk + ((hz << 2) - 1)) / (hz << 2); ++ sclk = (hclk >> 2) / div; ++ } ++#else ++ if (ddr) { ++ mode = 0x2; /* ddr mode and use divisor */ ++ if (hz >= (hclk >> 2)) { ++ div = 1; /* mean div = 1/4 */ ++ sclk = hclk >> 2; /* sclk = clk / 4 */ ++ } else { ++ div = (hclk + ((hz << 2) - 1)) / (hz << 2); ++ sclk = (hclk >> 2) / div; ++ } ++ } else if (hz >= hclk) { /* bug fix */ ++ mode = 0x1; /* no divisor and divisor is ignored */ ++ div = 0; ++ sclk = hclk; ++ } else { ++ mode = 0x0; /* use divisor */ ++ if (hz >= (hclk >> 1)) { ++ div = 0; /* mean div = 1/2 */ ++ sclk = hclk >> 1; /* sclk = clk / 2 */ ++ } else { ++ div = (hclk + ((hz << 2) - 1)) / (hz << 2); ++ sclk = (hclk >> 2) / div; ++ } ++ } ++#endif ++ /* set clock mode and divisor */ ++ sdr_set_field(MSDC_CFG, MSDC_CFG_CKMOD, mode); ++ sdr_set_field(MSDC_CFG, MSDC_CFG_CKDIV, div); ++ ++ /* wait clock stable */ ++ while (!(sdr_read32(MSDC_CFG) & MSDC_CFG_CKSTB)); ++ ++ host->sclk = sclk; ++ host->mclk = hz; ++ msdc_set_timeout(host, host->timeout_ns, host->timeout_clks); // need? ++ ++ INIT_MSG("================"); ++ INIT_MSG("!!! Set<%dKHz> Source<%dKHz> -> sclk<%dKHz>", hz/1000, hclk/1000, sclk/1000); ++ INIT_MSG("================"); ++ ++ msdc_irq_restore(flags); ++} ++ ++/* Fix me. when need to abort */ ++static void msdc_abort_data(struct msdc_host *host) ++{ ++ u32 base = host->base; ++ struct mmc_command *stop = host->mrq->stop; ++ ++ ERR_MSG("Need to Abort. dma<%d>", host->dma_xfer); ++ ++ msdc_reset(); ++ msdc_clr_fifo(); ++ msdc_clr_int(); ++ ++ // need to check FIFO count 0 ? ++ ++ if (stop) { /* try to stop, but may not success */ ++ ERR_MSG("stop when abort CMD<%d>", stop->opcode); ++ (void)msdc_do_command(host, stop, 0, CMD_TIMEOUT); ++ } ++ ++ //if (host->mclk >= 25000000) { ++ // msdc_set_mclk(host, 0, host->mclk >> 1); ++ //} ++} ++ ++#if 0 /* --- by chhung */ ++static void msdc_pin_config(struct msdc_host *host, int mode) ++{ ++ struct msdc_hw *hw = host->hw; ++ u32 base = host->base; ++ int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN; ++ ++ /* Config WP pin */ ++ if (hw->flags & MSDC_WP_PIN_EN) { ++ if (hw->config_gpio_pin) /* NULL */ ++ hw->config_gpio_pin(MSDC_WP_PIN, pull); ++ } ++ ++ switch (mode) { ++ case MSDC_PIN_PULL_UP: ++ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 1); /* Check & FIXME */ ++ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */ ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 1); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 1); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0); ++ break; ++ case MSDC_PIN_PULL_DOWN: ++ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */ ++ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 1); /* Check & FIXME */ ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 1); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 1); ++ break; ++ case MSDC_PIN_PULL_NONE: ++ default: ++ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */ ++ //sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */ ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0); ++ break; ++ } ++ ++ N_MSG(CFG, "Pins mode(%d), down(%d), up(%d)", ++ mode, MSDC_PIN_PULL_DOWN, MSDC_PIN_PULL_UP); ++} ++ ++void msdc_pin_reset(struct msdc_host *host, int mode) ++{ ++ struct msdc_hw *hw = (struct msdc_hw *)host->hw; ++ u32 base = host->base; ++ int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN; ++ ++ /* Config reset pin */ ++ if (hw->flags & MSDC_RST_PIN_EN) { ++ if (hw->config_gpio_pin) /* NULL */ ++ hw->config_gpio_pin(MSDC_RST_PIN, pull); ++ ++ if (mode == MSDC_PIN_PULL_UP) { ++ sdr_clr_bits(EMMC_IOCON, EMMC_IOCON_BOOTRST); ++ } else { ++ sdr_set_bits(EMMC_IOCON, EMMC_IOCON_BOOTRST); ++ } ++ } ++} ++ ++static void msdc_core_power(struct msdc_host *host, int on) ++{ ++ N_MSG(CFG, "Turn %s %s power (copower: %d -> %d)", ++ on ? "on" : "off", "core", host->core_power, on); ++ ++ if (on && host->core_power == 0) { ++ msdc_vcore_on(host); ++ host->core_power = 1; ++ msleep(1); ++ } else if (!on && host->core_power == 1) { ++ msdc_vcore_off(host); ++ host->core_power = 0; ++ msleep(1); ++ } ++} ++ ++static void msdc_host_power(struct msdc_host *host, int on) ++{ ++ N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "host"); ++ ++ if (on) { ++ //msdc_core_power(host, 1); // need do card detection. ++ msdc_pin_reset(host, MSDC_PIN_PULL_UP); ++ } else { ++ msdc_pin_reset(host, MSDC_PIN_PULL_DOWN); ++ //msdc_core_power(host, 0); ++ } ++} ++ ++static void msdc_card_power(struct msdc_host *host, int on) ++{ ++ N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "card"); ++ ++ if (on) { ++ msdc_pin_config(host, MSDC_PIN_PULL_UP); ++ if (host->hw->ext_power_on) { ++ host->hw->ext_power_on(); ++ } else { ++ //msdc_vdd_on(host); // need todo card detection. ++ } ++ msleep(1); ++ } else { ++ if (host->hw->ext_power_off) { ++ host->hw->ext_power_off(); ++ } else { ++ //msdc_vdd_off(host); ++ } ++ msdc_pin_config(host, MSDC_PIN_PULL_DOWN); ++ msleep(1); ++ } ++} ++ ++static void msdc_set_power_mode(struct msdc_host *host, u8 mode) ++{ ++ N_MSG(CFG, "Set power mode(%d)", mode); ++ ++ if (host->power_mode == MMC_POWER_OFF && mode != MMC_POWER_OFF) { ++ msdc_host_power(host, 1); ++ msdc_card_power(host, 1); ++ } else if (host->power_mode != MMC_POWER_OFF && mode == MMC_POWER_OFF) { ++ msdc_card_power(host, 0); ++ msdc_host_power(host, 0); ++ } ++ host->power_mode = mode; ++} ++#endif /* end of --- */ ++ ++#ifdef CONFIG_PM ++/* ++ register as callback function of WIFI(combo_sdio_register_pm) . ++ can called by msdc_drv_suspend/resume too. ++*/ ++static void msdc_pm(pm_message_t state, void *data) ++{ ++ struct msdc_host *host = (struct msdc_host *)data; ++ int evt = state.event; ++ ++ if (evt == PM_EVENT_USER_RESUME || evt == PM_EVENT_USER_SUSPEND) { ++ INIT_MSG("USR_%s: suspend<%d> power<%d>", ++ evt == PM_EVENT_USER_RESUME ? "EVENT_USER_RESUME" : "EVENT_USER_SUSPEND", ++ host->suspend, host->power_mode); ++ } ++ ++ if (evt == PM_EVENT_SUSPEND || evt == PM_EVENT_USER_SUSPEND) { ++ if (host->suspend) /* already suspend */ /* default 0*/ ++ return; ++ ++ /* for memory card. already power off by mmc */ ++ if (evt == PM_EVENT_SUSPEND && host->power_mode == MMC_POWER_OFF) ++ return; ++ ++ host->suspend = 1; ++ host->pm_state = state; /* default PMSG_RESUME */ ++ ++ INIT_MSG("%s Suspend", evt == PM_EVENT_SUSPEND ? "PM" : "USR"); ++ if(host->hw->flags & MSDC_SYS_SUSPEND) /* set for card */ ++ (void)mmc_suspend_host(host->mmc); ++ else { ++ // host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* just for double confirm */ /* --- by chhung */ ++ mmc_remove_host(host->mmc); ++ } ++ } else if (evt == PM_EVENT_RESUME || evt == PM_EVENT_USER_RESUME) { ++ if (!host->suspend){ ++ //ERR_MSG("warning: already resume"); ++ return; ++ } ++ ++ /* No PM resume when USR suspend */ ++ if (evt == PM_EVENT_RESUME && host->pm_state.event == PM_EVENT_USER_SUSPEND) { ++ ERR_MSG("PM Resume when in USR Suspend"); /* won't happen. */ ++ return; ++ } ++ ++ host->suspend = 0; ++ host->pm_state = state; ++ ++ INIT_MSG("%s Resume", evt == PM_EVENT_RESUME ? "PM" : "USR"); ++ if(host->hw->flags & MSDC_SYS_SUSPEND) { /* will not set for WIFI */ ++ (void)mmc_resume_host(host->mmc); ++ } ++ else { ++ // host->mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* --- by chhung */ ++ mmc_add_host(host->mmc); ++ } ++ } ++} ++#endif ++ ++/*--------------------------------------------------------------------------*/ ++/* mmc_host_ops members */ ++/*--------------------------------------------------------------------------*/ ++static unsigned int msdc_command_start(struct msdc_host *host, ++ struct mmc_command *cmd, ++ int tune, /* not used */ ++ unsigned long timeout) ++{ ++ u32 base = host->base; ++ u32 opcode = cmd->opcode; ++ u32 rawcmd; ++ u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | ++ MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | ++ MSDC_INT_ACMD19_DONE; ++ ++ u32 resp; ++ unsigned long tmo; ++ ++ /* Protocol layer does not provide response type, but our hardware needs ++ * to know exact type, not just size! ++ */ ++ if (opcode == MMC_SEND_OP_COND || opcode == SD_APP_OP_COND) ++ resp = RESP_R3; ++ else if (opcode == MMC_SET_RELATIVE_ADDR || opcode == SD_SEND_RELATIVE_ADDR) ++ resp = (mmc_cmd_type(cmd) == MMC_CMD_BCR) ? RESP_R6 : RESP_R1; ++ else if (opcode == MMC_FAST_IO) ++ resp = RESP_R4; ++ else if (opcode == MMC_GO_IRQ_STATE) ++ resp = RESP_R5; ++ else if (opcode == MMC_SELECT_CARD) ++ resp = (cmd->arg != 0) ? RESP_R1B : RESP_NONE; ++ else if (opcode == SD_IO_RW_DIRECT || opcode == SD_IO_RW_EXTENDED) ++ resp = RESP_R1; /* SDIO workaround. */ ++ else if (opcode == SD_SEND_IF_COND && (mmc_cmd_type(cmd) == MMC_CMD_BCR)) ++ resp = RESP_R1; ++ else { ++ switch (mmc_resp_type(cmd)) { ++ case MMC_RSP_R1: ++ resp = RESP_R1; ++ break; ++ case MMC_RSP_R1B: ++ resp = RESP_R1B; ++ break; ++ case MMC_RSP_R2: ++ resp = RESP_R2; ++ break; ++ case MMC_RSP_R3: ++ resp = RESP_R3; ++ break; ++ case MMC_RSP_NONE: ++ default: ++ resp = RESP_NONE; ++ break; ++ } ++ } ++ ++ cmd->error = 0; ++ /* rawcmd : ++ * vol_swt << 30 | auto_cmd << 28 | blklen << 16 | go_irq << 15 | ++ * stop << 14 | rw << 13 | dtype << 11 | rsptyp << 7 | brk << 6 | opcode ++ */ ++ rawcmd = opcode | msdc_rsp[resp] << 7 | host->blksz << 16; ++ ++ if (opcode == MMC_READ_MULTIPLE_BLOCK) { ++ rawcmd |= (2 << 11); ++ } else if (opcode == MMC_READ_SINGLE_BLOCK) { ++ rawcmd |= (1 << 11); ++ } else if (opcode == MMC_WRITE_MULTIPLE_BLOCK) { ++ rawcmd |= ((2 << 11) | (1 << 13)); ++ } else if (opcode == MMC_WRITE_BLOCK) { ++ rawcmd |= ((1 << 11) | (1 << 13)); ++ } else if (opcode == SD_IO_RW_EXTENDED) { ++ if (cmd->data->flags & MMC_DATA_WRITE) ++ rawcmd |= (1 << 13); ++ if (cmd->data->blocks > 1) ++ rawcmd |= (2 << 11); ++ else ++ rawcmd |= (1 << 11); ++ } else if (opcode == SD_IO_RW_DIRECT && cmd->flags == (unsigned int)-1) { ++ rawcmd |= (1 << 14); ++ } else if ((opcode == SD_APP_SEND_SCR) || ++ (opcode == SD_APP_SEND_NUM_WR_BLKS) || ++ (opcode == SD_SWITCH && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) || ++ (opcode == SD_APP_SD_STATUS && (mmc_cmd_type(cmd) == MMC_CMD_ADTC)) || ++ (opcode == MMC_SEND_EXT_CSD && (mmc_cmd_type(cmd) == MMC_CMD_ADTC))) { ++ rawcmd |= (1 << 11); ++ } else if (opcode == MMC_STOP_TRANSMISSION) { ++ rawcmd |= (1 << 14); ++ rawcmd &= ~(0x0FFF << 16); ++ } ++ ++ N_MSG(CMD, "CMD<%d><0x%.8x> Arg<0x%.8x>", opcode , rawcmd, cmd->arg); ++ ++ tmo = jiffies + timeout; ++ ++ if (opcode == MMC_SEND_STATUS) { ++ for (;;) { ++ if (!sdc_is_cmd_busy()) ++ break; ++ ++ if (time_after(jiffies, tmo)) { ++ ERR_MSG("XXX cmd_busy timeout: before CMD<%d>", opcode); ++ cmd->error = (unsigned int)-ETIMEDOUT; ++ msdc_reset(); ++ goto end; ++ } ++ } ++ }else { ++ for (;;) { ++ if (!sdc_is_busy()) ++ break; ++ if (time_after(jiffies, tmo)) { ++ ERR_MSG("XXX sdc_busy timeout: before CMD<%d>", opcode); ++ cmd->error = (unsigned int)-ETIMEDOUT; ++ msdc_reset(); ++ goto end; ++ } ++ } ++ } ++ ++ //BUG_ON(in_interrupt()); ++ host->cmd = cmd; ++ host->cmd_rsp = resp; ++ ++ init_completion(&host->cmd_done); ++ ++ sdr_set_bits(MSDC_INTEN, wints); ++ sdc_send_cmd(rawcmd, cmd->arg); ++ ++end: ++ return cmd->error; ++} ++ ++static unsigned int msdc_command_resp(struct msdc_host *host, ++ struct mmc_command *cmd, ++ int tune, ++ unsigned long timeout) ++{ ++ u32 base = host->base; ++ u32 opcode = cmd->opcode; ++ //u32 rawcmd; ++ u32 resp; ++ u32 wints = MSDC_INT_CMDRDY | MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | ++ MSDC_INT_ACMDRDY | MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | ++ MSDC_INT_ACMD19_DONE; ++ ++ resp = host->cmd_rsp; ++ ++ BUG_ON(in_interrupt()); ++ //init_completion(&host->cmd_done); ++ //sdr_set_bits(MSDC_INTEN, wints); ++ ++ spin_unlock(&host->lock); ++ if(!wait_for_completion_timeout(&host->cmd_done, 10*timeout)){ ++ ERR_MSG("XXX CMD<%d> wait_for_completion timeout ARG<0x%.8x>", opcode, cmd->arg); ++ cmd->error = (unsigned int)-ETIMEDOUT; ++ msdc_reset(); ++ } ++ spin_lock(&host->lock); ++ ++ sdr_clr_bits(MSDC_INTEN, wints); ++ host->cmd = NULL; ++ ++//end: ++#ifdef MT6575_SD_DEBUG ++ switch (resp) { ++ case RESP_NONE: ++ N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)", opcode, cmd->error, resp); ++ break; ++ case RESP_R2: ++ N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= %.8x %.8x %.8x %.8x", ++ opcode, cmd->error, resp, cmd->resp[0], cmd->resp[1], ++ cmd->resp[2], cmd->resp[3]); ++ break; ++ default: /* Response types 1, 3, 4, 5, 6, 7(1b) */ ++ N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= 0x%.8x", ++ opcode, cmd->error, resp, cmd->resp[0]); ++ if (cmd->error == 0) { ++ switch (resp) { ++ case RESP_R1: ++ case RESP_R1B: ++ msdc_dump_card_status(host, cmd->resp[0]); ++ break; ++ case RESP_R3: ++ msdc_dump_ocr_reg(host, cmd->resp[0]); ++ break; ++ case RESP_R5: ++ msdc_dump_io_resp(host, cmd->resp[0]); ++ break; ++ case RESP_R6: ++ msdc_dump_rca_resp(host, cmd->resp[0]); ++ break; ++ } ++ } ++ break; ++ } ++#endif ++ ++ /* do we need to save card's RCA when SD_SEND_RELATIVE_ADDR */ ++ ++ if (!tune) { ++ return cmd->error; ++ } ++ ++ /* memory card CRC */ ++ if(host->hw->flags & MSDC_REMOVABLE && cmd->error == (unsigned int)(-EIO) ) { ++ if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */ ++ msdc_abort_data(host); ++ } else { ++ /* do basic: reset*/ ++ msdc_reset(); ++ msdc_clr_fifo(); ++ msdc_clr_int(); ++ } ++ cmd->error = msdc_tune_cmdrsp(host,cmd); ++ } ++ ++ // check DAT0 ++ /* if (resp == RESP_R1B) { ++ while ((sdr_read32(MSDC_PS) & 0x10000) != 0x10000); ++ } */ ++ /* CMD12 Error Handle */ ++ ++ return cmd->error; ++} ++ ++static unsigned int msdc_do_command(struct msdc_host *host, ++ struct mmc_command *cmd, ++ int tune, ++ unsigned long timeout) ++{ ++ if (msdc_command_start(host, cmd, tune, timeout)) ++ goto end; ++ ++ if (msdc_command_resp(host, cmd, tune, timeout)) ++ goto end; ++ ++end: ++ ++ N_MSG(CMD, " return<%d> resp<0x%.8x>", cmd->error, cmd->resp[0]); ++ return cmd->error; ++} ++ ++/* The abort condition when PIO read/write ++ tmo: ++*/ ++static int msdc_pio_abort(struct msdc_host *host, struct mmc_data *data, unsigned long tmo) ++{ ++ int ret = 0; ++ u32 base = host->base; ++ ++ if (atomic_read(&host->abort)) { ++ ret = 1; ++ } ++ ++ if (time_after(jiffies, tmo)) { ++ data->error = (unsigned int)-ETIMEDOUT; ++ ERR_MSG("XXX PIO Data Timeout: CMD<%d>", host->mrq->cmd->opcode); ++ ret = 1; ++ } ++ ++ if(ret) { ++ msdc_reset(); ++ msdc_clr_fifo(); ++ msdc_clr_int(); ++ ERR_MSG("msdc pio find abort"); ++ } ++ return ret; ++} ++ ++/* ++ Need to add a timeout, or WDT timeout, system reboot. ++*/ ++// pio mode data read/write ++static int msdc_pio_read(struct msdc_host *host, struct mmc_data *data) ++{ ++ struct scatterlist *sg = data->sg; ++ u32 base = host->base; ++ u32 num = data->sg_len; ++ u32 *ptr; ++ u8 *u8ptr; ++ u32 left = 0; ++ u32 count, size = 0; ++ u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; ++ unsigned long tmo = jiffies + DAT_TIMEOUT; ++ ++ sdr_set_bits(MSDC_INTEN, wints); ++ while (num) { ++ left = sg_dma_len(sg); ++ ptr = sg_virt(sg); ++ while (left) { ++ if ((left >= MSDC_FIFO_THD) && (msdc_rxfifocnt() >= MSDC_FIFO_THD)) { ++ count = MSDC_FIFO_THD >> 2; ++ do { ++ *ptr++ = msdc_fifo_read32(); ++ } while (--count); ++ left -= MSDC_FIFO_THD; ++ } else if ((left < MSDC_FIFO_THD) && msdc_rxfifocnt() >= left) { ++ while (left > 3) { ++ *ptr++ = msdc_fifo_read32(); ++ left -= 4; ++ } ++ ++ u8ptr = (u8 *)ptr; ++ while(left) { ++ * u8ptr++ = msdc_fifo_read8(); ++ left--; ++ } ++ } ++ ++ if (msdc_pio_abort(host, data, tmo)) { ++ goto end; ++ } ++ } ++ size += sg_dma_len(sg); ++ sg = sg_next(sg); num--; ++ } ++end: ++ data->bytes_xfered += size; ++ N_MSG(FIO, " PIO Read<%d>bytes", size); ++ ++ sdr_clr_bits(MSDC_INTEN, wints); ++ if(data->error) ERR_MSG("read pio data->error<%d> left<%d> size<%d>", data->error, left, size); ++ return data->error; ++} ++ ++/* please make sure won't using PIO when size >= 512 ++ which means, memory card block read/write won't using pio ++ then don't need to handle the CMD12 when data error. ++*/ ++static int msdc_pio_write(struct msdc_host* host, struct mmc_data *data) ++{ ++ u32 base = host->base; ++ struct scatterlist *sg = data->sg; ++ u32 num = data->sg_len; ++ u32 *ptr; ++ u8 *u8ptr; ++ u32 left; ++ u32 count, size = 0; ++ u32 wints = MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; ++ unsigned long tmo = jiffies + DAT_TIMEOUT; ++ ++ sdr_set_bits(MSDC_INTEN, wints); ++ while (num) { ++ left = sg_dma_len(sg); ++ ptr = sg_virt(sg); ++ ++ while (left) { ++ if (left >= MSDC_FIFO_SZ && msdc_txfifocnt() == 0) { ++ count = MSDC_FIFO_SZ >> 2; ++ do { ++ msdc_fifo_write32(*ptr); ptr++; ++ } while (--count); ++ left -= MSDC_FIFO_SZ; ++ } else if (left < MSDC_FIFO_SZ && msdc_txfifocnt() == 0) { ++ while (left > 3) { ++ msdc_fifo_write32(*ptr); ptr++; ++ left -= 4; ++ } ++ ++ u8ptr = (u8*)ptr; ++ while(left){ ++ msdc_fifo_write8(*u8ptr); u8ptr++; ++ left--; ++ } ++ } ++ ++ if (msdc_pio_abort(host, data, tmo)) { ++ goto end; ++ } ++ } ++ size += sg_dma_len(sg); ++ sg = sg_next(sg); num--; ++ } ++end: ++ data->bytes_xfered += size; ++ N_MSG(FIO, " PIO Write<%d>bytes", size); ++ if(data->error) ERR_MSG("write pio data->error<%d>", data->error); ++ ++ sdr_clr_bits(MSDC_INTEN, wints); ++ return data->error; ++} ++ ++#if 0 /* --- by chhung */ ++// DMA resume / start / stop ++static void msdc_dma_resume(struct msdc_host *host) ++{ ++ u32 base = host->base; ++ ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_RESUME, 1); ++ ++ N_MSG(DMA, "DMA resume"); ++} ++#endif /* end of --- */ ++ ++static void msdc_dma_start(struct msdc_host *host) ++{ ++ u32 base = host->base; ++ u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; ++ ++ sdr_set_bits(MSDC_INTEN, wints); ++ //dsb(); /* --- by chhung */ ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1); ++ ++ N_MSG(DMA, "DMA start"); ++} ++ ++static void msdc_dma_stop(struct msdc_host *host) ++{ ++ u32 base = host->base; ++ //u32 retries=500; ++ u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR ; ++ ++ N_MSG(DMA, "DMA status: 0x%.8x",sdr_read32(MSDC_DMA_CFG)); ++ //while (sdr_read32(MSDC_DMA_CFG) & MSDC_DMA_CFG_STS); ++ ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, 1); ++ while (sdr_read32(MSDC_DMA_CFG) & MSDC_DMA_CFG_STS); ++ ++ //dsb(); /* --- by chhung */ ++ sdr_clr_bits(MSDC_INTEN, wints); /* Not just xfer_comp */ ++ ++ N_MSG(DMA, "DMA stop"); ++} ++ ++#if 0 /* --- by chhung */ ++/* dump a gpd list */ ++static void msdc_dma_dump(struct msdc_host *host, struct msdc_dma *dma) ++{ ++ gpd_t *gpd = dma->gpd; ++ bd_t *bd = dma->bd; ++ bd_t *ptr; ++ int i = 0; ++ int p_to_v; ++ ++ if (dma->mode != MSDC_MODE_DMA_DESC) { ++ return; ++ } ++ ++ ERR_MSG("try to dump gpd and bd"); ++ ++ /* dump gpd */ ++ ERR_MSG(".gpd<0x%.8x> gpd_phy<0x%.8x>", (int)gpd, (int)dma->gpd_addr); ++ ERR_MSG("...hwo <%d>", gpd->hwo ); ++ ERR_MSG("...bdp <%d>", gpd->bdp ); ++ ERR_MSG("...chksum<0x%.8x>", gpd->chksum ); ++ //ERR_MSG("...intr <0x%.8x>", gpd->intr ); ++ ERR_MSG("...next <0x%.8x>", (int)gpd->next ); ++ ERR_MSG("...ptr <0x%.8x>", (int)gpd->ptr ); ++ ERR_MSG("...buflen<0x%.8x>", gpd->buflen ); ++ //ERR_MSG("...extlen<0x%.8x>", gpd->extlen ); ++ //ERR_MSG("...arg <0x%.8x>", gpd->arg ); ++ //ERR_MSG("...blknum<0x%.8x>", gpd->blknum ); ++ //ERR_MSG("...cmd <0x%.8x>", gpd->cmd ); ++ ++ /* dump bd */ ++ ERR_MSG(".bd<0x%.8x> bd_phy<0x%.8x> gpd_ptr<0x%.8x>", (int)bd, (int)dma->bd_addr, (int)gpd->ptr); ++ ptr = bd; ++ p_to_v = ((u32)bd - (u32)dma->bd_addr); ++ while (1) { ++ ERR_MSG(".bd[%d]", i); i++; ++ ERR_MSG("...eol <%d>", ptr->eol ); ++ ERR_MSG("...chksum<0x%.8x>", ptr->chksum ); ++ //ERR_MSG("...blkpad<0x%.8x>", ptr->blkpad ); ++ //ERR_MSG("...dwpad <0x%.8x>", ptr->dwpad ); ++ ERR_MSG("...next <0x%.8x>", (int)ptr->next ); ++ ERR_MSG("...ptr <0x%.8x>", (int)ptr->ptr ); ++ ERR_MSG("...buflen<0x%.8x>", (int)ptr->buflen ); ++ ++ if (ptr->eol == 1) { ++ break; ++ } ++ ++ /* find the next bd, virtual address of ptr->next */ ++ /* don't need to enable when use malloc */ ++ //BUG_ON( (ptr->next + p_to_v)!=(ptr+1) ); ++ //ERR_MSG(".next bd<0x%.8x><0x%.8x>", (ptr->next + p_to_v), (ptr+1)); ++ ptr++; ++ } ++ ++ ERR_MSG("dump gpd and bd finished"); ++} ++#endif /* end of --- */ ++ ++/* calc checksum */ ++static u8 msdc_dma_calcs(u8 *buf, u32 len) ++{ ++ u32 i, sum = 0; ++ for (i = 0; i < len; i++) { ++ sum += buf[i]; ++ } ++ return 0xFF - (u8)sum; ++} ++ ++/* gpd bd setup + dma registers */ ++static int msdc_dma_config(struct msdc_host *host, struct msdc_dma *dma) ++{ ++ u32 base = host->base; ++ u32 sglen = dma->sglen; ++ //u32 i, j, num, bdlen, arg, xfersz; ++ u32 j, num, bdlen; ++ u8 blkpad, dwpad, chksum; ++ struct scatterlist *sg = dma->sg; ++ gpd_t *gpd; ++ bd_t *bd; ++ ++ switch (dma->mode) { ++ case MSDC_MODE_DMA_BASIC: ++ BUG_ON(dma->xfersz > 65535); ++ BUG_ON(dma->sglen != 1); ++ sdr_write32(MSDC_DMA_SA, PHYSADDR(sg_dma_address(sg))); ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_LASTBUF, 1); ++//#if defined (CONFIG_RALINK_MT7620) ++ if (ralink_soc == MT762X_SOC_MT7620A) ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_XFERSZ, sg_dma_len(sg)); ++//#elif defined (CONFIG_RALINK_MT7621) || defined (CONFIG_RALINK_MT7628) ++ else ++ sdr_write32((volatile u32*)(RALINK_MSDC_BASE+0xa8), sg_dma_len(sg)); ++//#endif ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz); ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 0); ++ break; ++ case MSDC_MODE_DMA_DESC: ++ blkpad = (dma->flags & DMA_FLAG_PAD_BLOCK) ? 1 : 0; ++ dwpad = (dma->flags & DMA_FLAG_PAD_DWORD) ? 1 : 0; ++ chksum = (dma->flags & DMA_FLAG_EN_CHKSUM) ? 1 : 0; ++ ++ /* calculate the required number of gpd */ ++ num = (sglen + MAX_BD_PER_GPD - 1) / MAX_BD_PER_GPD; ++ BUG_ON(num !=1 ); ++ ++ gpd = dma->gpd; ++ bd = dma->bd; ++ bdlen = sglen; ++ ++ /* modify gpd*/ ++ //gpd->intr = 0; ++ gpd->hwo = 1; /* hw will clear it */ ++ gpd->bdp = 1; ++ gpd->chksum = 0; /* need to clear first. */ ++ gpd->chksum = (chksum ? msdc_dma_calcs((u8 *)gpd, 16) : 0); ++ ++ /* modify bd*/ ++ for (j = 0; j < bdlen; j++) { ++ msdc_init_bd(&bd[j], blkpad, dwpad, sg_dma_address(sg), sg_dma_len(sg)); ++ if(j == bdlen - 1) { ++ bd[j].eol = 1; /* the last bd */ ++ } else { ++ bd[j].eol = 0; ++ } ++ bd[j].chksum = 0; /* checksume need to clear first */ ++ bd[j].chksum = (chksum ? msdc_dma_calcs((u8 *)(&bd[j]), 16) : 0); ++ sg++; ++ } ++ ++ dma->used_gpd += 2; ++ dma->used_bd += bdlen; ++ ++ sdr_set_field(MSDC_DMA_CFG, MSDC_DMA_CFG_DECSEN, chksum); ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_BRUSTSZ, dma->burstsz); ++ sdr_set_field(MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1); ++ ++ sdr_write32(MSDC_DMA_SA, PHYSADDR((u32)dma->gpd_addr)); ++ break; ++ ++ default: ++ break; ++ } ++ ++ N_MSG(DMA, "DMA_CTRL = 0x%x", sdr_read32(MSDC_DMA_CTRL)); ++ N_MSG(DMA, "DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG)); ++ N_MSG(DMA, "DMA_SA = 0x%x", sdr_read32(MSDC_DMA_SA)); ++ ++ return 0; ++} ++ ++static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma, ++ struct scatterlist *sg, unsigned int sglen) ++{ ++ BUG_ON(sglen > MAX_BD_NUM); /* not support currently */ ++ ++ dma->sg = sg; ++ dma->flags = DMA_FLAG_EN_CHKSUM; ++ //dma->flags = DMA_FLAG_NONE; /* CHECKME */ ++ dma->sglen = sglen; ++ dma->xfersz = host->xfer_size; ++ dma->burstsz = MSDC_BRUST_64B; ++ ++ if (sglen == 1 && sg_dma_len(sg) <= MAX_DMA_CNT) ++ dma->mode = MSDC_MODE_DMA_BASIC; ++ else ++ dma->mode = MSDC_MODE_DMA_DESC; ++ ++ N_MSG(DMA, "DMA mode<%d> sglen<%d> xfersz<%d>", dma->mode, dma->sglen, dma->xfersz); ++ ++ msdc_dma_config(host, dma); ++ ++ /*if (dma->mode == MSDC_MODE_DMA_DESC) { ++ //msdc_dma_dump(host, dma); ++ } */ ++} ++ ++/* set block number before send command */ ++static void msdc_set_blknum(struct msdc_host *host, u32 blknum) ++{ ++ u32 base = host->base; ++ ++ sdr_write32(SDC_BLK_NUM, blknum); ++} ++ ++static int msdc_do_request(struct mmc_host*mmc, struct mmc_request*mrq) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ struct mmc_command *cmd; ++ struct mmc_data *data; ++ u32 base = host->base; ++ //u32 intsts = 0; ++ unsigned int left=0; ++ int dma = 0, read = 1, dir = DMA_FROM_DEVICE, send_type=0; ++ ++ #define SND_DAT 0 ++ #define SND_CMD 1 ++ ++ BUG_ON(mmc == NULL); ++ BUG_ON(mrq == NULL); ++ ++ host->error = 0; ++ atomic_set(&host->abort, 0); ++ ++ cmd = mrq->cmd; ++ data = mrq->cmd->data; ++ ++#if 0 /* --- by chhung */ ++ //if(host->id ==1){ ++ N_MSG(OPS, "enable clock!"); ++ msdc_ungate_clock(host->id); ++ //} ++#endif /* end of --- */ ++ ++ if (!data) { ++ send_type=SND_CMD; ++ if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0) { ++ goto done; ++ } ++ } else { ++ BUG_ON(data->blksz > HOST_MAX_BLKSZ); ++ send_type=SND_DAT; ++ ++ data->error = 0; ++ read = data->flags & MMC_DATA_READ ? 1 : 0; ++ host->data = data; ++ host->xfer_size = data->blocks * data->blksz; ++ host->blksz = data->blksz; ++ ++ /* deside the transfer mode */ ++ if (drv_mode[host->id] == MODE_PIO) { ++ host->dma_xfer = dma = 0; ++ } else if (drv_mode[host->id] == MODE_DMA) { ++ host->dma_xfer = dma = 1; ++ } else if (drv_mode[host->id] == MODE_SIZE_DEP) { ++ host->dma_xfer = dma = ((host->xfer_size >= dma_size[host->id]) ? 1 : 0); ++ } ++ ++ if (read) { ++ if ((host->timeout_ns != data->timeout_ns) || ++ (host->timeout_clks != data->timeout_clks)) { ++ msdc_set_timeout(host, data->timeout_ns, data->timeout_clks); ++ } ++ } ++ ++ msdc_set_blknum(host, data->blocks); ++ //msdc_clr_fifo(); /* no need */ ++ ++ if (dma) { ++ msdc_dma_on(); /* enable DMA mode first!! */ ++ init_completion(&host->xfer_done); ++ ++ /* start the command first*/ ++ if (msdc_command_start(host, cmd, 1, CMD_TIMEOUT) != 0) ++ goto done; ++ ++ dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE; ++ (void)dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len, dir); ++ msdc_dma_setup(host, &host->dma, data->sg, data->sg_len); ++ ++ /* then wait command done */ ++ if (msdc_command_resp(host, cmd, 1, CMD_TIMEOUT) != 0) ++ goto done; ++ ++ /* for read, the data coming too fast, then CRC error ++ start DMA no business with CRC. */ ++ //init_completion(&host->xfer_done); ++ msdc_dma_start(host); ++ ++ spin_unlock(&host->lock); ++ if(!wait_for_completion_timeout(&host->xfer_done, DAT_TIMEOUT)){ ++ ERR_MSG("XXX CMD<%d> wait xfer_done<%d> timeout!!", cmd->opcode, data->blocks * data->blksz); ++ ERR_MSG(" DMA_SA = 0x%x", sdr_read32(MSDC_DMA_SA)); ++ ERR_MSG(" DMA_CA = 0x%x", sdr_read32(MSDC_DMA_CA)); ++ ERR_MSG(" DMA_CTRL = 0x%x", sdr_read32(MSDC_DMA_CTRL)); ++ ERR_MSG(" DMA_CFG = 0x%x", sdr_read32(MSDC_DMA_CFG)); ++ data->error = (unsigned int)-ETIMEDOUT; ++ ++ msdc_reset(); ++ msdc_clr_fifo(); ++ msdc_clr_int(); ++ } ++ spin_lock(&host->lock); ++ msdc_dma_stop(host); ++ } else { ++ /* Firstly: send command */ ++ if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0) { ++ goto done; ++ } ++ ++ /* Secondly: pio data phase */ ++ if (read) { ++ if (msdc_pio_read(host, data)){ ++ goto done; ++ } ++ } else { ++ if (msdc_pio_write(host, data)) { ++ goto done; ++ } ++ } ++ ++ /* For write case: make sure contents in fifo flushed to device */ ++ if (!read) { ++ while (1) { ++ left=msdc_txfifocnt(); ++ if (left == 0) { ++ break; ++ } ++ if (msdc_pio_abort(host, data, jiffies + DAT_TIMEOUT)) { ++ break; ++ /* Fix me: what about if data error, when stop ? how to? */ ++ } ++ } ++ } else { ++ /* Fix me: read case: need to check CRC error */ ++ } ++ ++ /* For write case: SDCBUSY and Xfer_Comp will assert when DAT0 not busy. ++ For read case : SDCBUSY and Xfer_Comp will assert when last byte read out from FIFO. ++ */ ++ ++ /* try not to wait xfer_comp interrupt. ++ the next command will check SDC_BUSY. ++ SDC_BUSY means xfer_comp assert ++ */ ++ ++ } // PIO mode ++ ++ /* Last: stop transfer */ ++ if (data->stop){ ++ if (msdc_do_command(host, data->stop, 0, CMD_TIMEOUT) != 0) { ++ goto done; ++ } ++ } ++ } ++ ++done: ++ if (data != NULL) { ++ host->data = NULL; ++ host->dma_xfer = 0; ++ if (dma != 0) { ++ msdc_dma_off(); ++ host->dma.used_bd = 0; ++ host->dma.used_gpd = 0; ++ dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len, dir); ++ } ++ host->blksz = 0; ++ ++#if 0 // don't stop twice! ++ if(host->hw->flags & MSDC_REMOVABLE && data->error) { ++ msdc_abort_data(host); ++ /* reset in IRQ, stop command has issued. -> No need */ ++ } ++#endif ++ ++ N_MSG(OPS, "CMD<%d> data<%s %s> blksz<%d> block<%d> error<%d>",cmd->opcode, (dma? "dma":"pio"), ++ (read ? "read ":"write") ,data->blksz, data->blocks, data->error); ++ } ++ ++#if 0 /* --- by chhung */ ++#if 1 ++ //if(host->id==1) { ++ if(send_type==SND_CMD) { ++ if(cmd->opcode == MMC_SEND_STATUS) { ++ if((cmd->resp[0] & CARD_READY_FOR_DATA) ||(CARD_CURRENT_STATE(cmd->resp[0]) != 7)){ ++ N_MSG(OPS,"disable clock, CMD13 IDLE"); ++ msdc_gate_clock(host->id); ++ } ++ } else { ++ N_MSG(OPS,"disable clock, CMD<%d>", cmd->opcode); ++ msdc_gate_clock(host->id); ++ } ++ } else { ++ if(read) { ++ N_MSG(OPS,"disable clock!!! Read CMD<%d>",cmd->opcode); ++ msdc_gate_clock(host->id); ++ } ++ } ++ //} ++#else ++ msdc_gate_clock(host->id); ++#endif ++#endif /* end of --- */ ++ ++ if (mrq->cmd->error) host->error = 0x001; ++ if (mrq->data && mrq->data->error) host->error |= 0x010; ++ if (mrq->stop && mrq->stop->error) host->error |= 0x100; ++ ++ //if (host->error) ERR_MSG("host->error<%d>", host->error); ++ ++ return host->error; ++} ++ ++static int msdc_app_cmd(struct mmc_host *mmc, struct msdc_host *host) ++{ ++ struct mmc_command cmd; ++ struct mmc_request mrq; ++ u32 err; ++ ++ memset(&cmd, 0, sizeof(struct mmc_command)); ++ cmd.opcode = MMC_APP_CMD; ++#if 0 /* bug: we meet mmc->card is null when ACMD6 */ ++ cmd.arg = mmc->card->rca << 16; ++#else ++ cmd.arg = host->app_cmd_arg; ++#endif ++ cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC; ++ ++ memset(&mrq, 0, sizeof(struct mmc_request)); ++ mrq.cmd = &cmd; cmd.mrq = &mrq; ++ cmd.data = NULL; ++ ++ err = msdc_do_command(host, &cmd, 0, CMD_TIMEOUT); ++ return err; ++} ++ ++static int msdc_tune_cmdrsp(struct msdc_host*host, struct mmc_command *cmd) ++{ ++ int result = -1; ++ u32 base = host->base; ++ u32 rsmpl, cur_rsmpl, orig_rsmpl; ++ u32 rrdly, cur_rrdly = 0xffffffff, orig_rrdly; ++ u32 skip = 1; ++ ++ /* ==== don't support 3.0 now ==== ++ 1: R_SMPL[1] ++ 2: PAD_CMD_RESP_RXDLY[26:22] ++ ==========================*/ ++ ++ // save the previous tune result ++ sdr_get_field(MSDC_IOCON, MSDC_IOCON_RSPL, orig_rsmpl); ++ sdr_get_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, orig_rrdly); ++ ++ rrdly = 0; ++ do { ++ for (rsmpl = 0; rsmpl < 2; rsmpl++) { ++ /* Lv1: R_SMPL[1] */ ++ cur_rsmpl = (orig_rsmpl + rsmpl) % 2; ++ if (skip == 1) { ++ skip = 0; ++ continue; ++ } ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, cur_rsmpl); ++ ++ if (host->app_cmd) { ++ result = msdc_app_cmd(host->mmc, host); ++ if (result) { ++ ERR_MSG("TUNE_CMD app_cmd<%d> failed: RESP_RXDLY<%d>,R_SMPL<%d>", ++ host->mrq->cmd->opcode, cur_rrdly, cur_rsmpl); ++ continue; ++ } ++ } ++ result = msdc_do_command(host, cmd, 0, CMD_TIMEOUT); // not tune. ++ ERR_MSG("TUNE_CMD<%d> %s PAD_CMD_RESP_RXDLY[26:22]<%d> R_SMPL[1]<%d>", cmd->opcode, ++ (result == 0) ? "PASS" : "FAIL", cur_rrdly, cur_rsmpl); ++ ++ if (result == 0) { ++ return 0; ++ } ++ if (result != (unsigned int)(-EIO)) { ++ ERR_MSG("TUNE_CMD<%d> Error<%d> not -EIO", cmd->opcode, result); ++ return result; ++ } ++ ++ /* should be EIO */ ++ if (sdr_read32(SDC_CMD) & 0x1800) { /* check if has data phase */ ++ msdc_abort_data(host); ++ } ++ } ++ ++ /* Lv2: PAD_CMD_RESP_RXDLY[26:22] */ ++ cur_rrdly = (orig_rrdly + rrdly + 1) % 32; ++ sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, cur_rrdly); ++ }while (++rrdly < 32); ++ ++ return result; ++} ++ ++/* Support SD2.0 Only */ ++static int msdc_tune_bread(struct mmc_host *mmc, struct mmc_request *mrq) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ u32 base = host->base; ++ u32 ddr=0; ++ u32 dcrc=0; ++ u32 rxdly, cur_rxdly0, cur_rxdly1; ++ u32 dsmpl, cur_dsmpl, orig_dsmpl; ++ u32 cur_dat0, cur_dat1, cur_dat2, cur_dat3; ++ u32 cur_dat4, cur_dat5, cur_dat6, cur_dat7; ++ u32 orig_dat0, orig_dat1, orig_dat2, orig_dat3; ++ u32 orig_dat4, orig_dat5, orig_dat6, orig_dat7; ++ int result = -1; ++ u32 skip = 1; ++ ++ sdr_get_field(MSDC_IOCON, MSDC_IOCON_DSPL, orig_dsmpl); ++ ++ /* Tune Method 2. */ ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DDLSEL, 1); ++ ++ rxdly = 0; ++ do { ++ for (dsmpl = 0; dsmpl < 2; dsmpl++) { ++ cur_dsmpl = (orig_dsmpl + dsmpl) % 2; ++ if (skip == 1) { ++ skip = 0; ++ continue; ++ } ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, cur_dsmpl); ++ ++ if (host->app_cmd) { ++ result = msdc_app_cmd(host->mmc, host); ++ if (result) { ++ ERR_MSG("TUNE_BREAD app_cmd<%d> failed", host->mrq->cmd->opcode); ++ continue; ++ } ++ } ++ result = msdc_do_request(mmc,mrq); ++ ++ sdr_get_field(SDC_DCRC_STS, SDC_DCRC_STS_POS|SDC_DCRC_STS_NEG, dcrc); /* RO */ ++ if (!ddr) dcrc &= ~SDC_DCRC_STS_NEG; ++ ERR_MSG("TUNE_BREAD<%s> dcrc<0x%x> DATRDDLY0/1<0x%x><0x%x> dsmpl<0x%x>", ++ (result == 0 && dcrc == 0) ? "PASS" : "FAIL", dcrc, ++ sdr_read32(MSDC_DAT_RDDLY0), sdr_read32(MSDC_DAT_RDDLY1), cur_dsmpl); ++ ++ /* Fix me: result is 0, but dcrc is still exist */ ++ if (result == 0 && dcrc == 0) { ++ goto done; ++ } else { ++ /* there is a case: command timeout, and data phase not processed */ ++ if (mrq->data->error != 0 && mrq->data->error != (unsigned int)(-EIO)) { ++ ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>", ++ result, mrq->cmd->error, mrq->data->error); ++ goto done; ++ } ++ } ++ } ++ ++ cur_rxdly0 = sdr_read32(MSDC_DAT_RDDLY0); ++ cur_rxdly1 = sdr_read32(MSDC_DAT_RDDLY1); ++ ++ /* E1 ECO. YD: Reverse */ ++ if (sdr_read32(MSDC_ECO_VER) >= 4) { ++ orig_dat0 = (cur_rxdly0 >> 24) & 0x1F; ++ orig_dat1 = (cur_rxdly0 >> 16) & 0x1F; ++ orig_dat2 = (cur_rxdly0 >> 8) & 0x1F; ++ orig_dat3 = (cur_rxdly0 >> 0) & 0x1F; ++ orig_dat4 = (cur_rxdly1 >> 24) & 0x1F; ++ orig_dat5 = (cur_rxdly1 >> 16) & 0x1F; ++ orig_dat6 = (cur_rxdly1 >> 8) & 0x1F; ++ orig_dat7 = (cur_rxdly1 >> 0) & 0x1F; ++ } else { ++ orig_dat0 = (cur_rxdly0 >> 0) & 0x1F; ++ orig_dat1 = (cur_rxdly0 >> 8) & 0x1F; ++ orig_dat2 = (cur_rxdly0 >> 16) & 0x1F; ++ orig_dat3 = (cur_rxdly0 >> 24) & 0x1F; ++ orig_dat4 = (cur_rxdly1 >> 0) & 0x1F; ++ orig_dat5 = (cur_rxdly1 >> 8) & 0x1F; ++ orig_dat6 = (cur_rxdly1 >> 16) & 0x1F; ++ orig_dat7 = (cur_rxdly1 >> 24) & 0x1F; ++ } ++ ++ if (ddr) { ++ cur_dat0 = (dcrc & (1 << 0) || dcrc & (1 << 8)) ? ((orig_dat0 + 1) % 32) : orig_dat0; ++ cur_dat1 = (dcrc & (1 << 1) || dcrc & (1 << 9)) ? ((orig_dat1 + 1) % 32) : orig_dat1; ++ cur_dat2 = (dcrc & (1 << 2) || dcrc & (1 << 10)) ? ((orig_dat2 + 1) % 32) : orig_dat2; ++ cur_dat3 = (dcrc & (1 << 3) || dcrc & (1 << 11)) ? ((orig_dat3 + 1) % 32) : orig_dat3; ++ } else { ++ cur_dat0 = (dcrc & (1 << 0)) ? ((orig_dat0 + 1) % 32) : orig_dat0; ++ cur_dat1 = (dcrc & (1 << 1)) ? ((orig_dat1 + 1) % 32) : orig_dat1; ++ cur_dat2 = (dcrc & (1 << 2)) ? ((orig_dat2 + 1) % 32) : orig_dat2; ++ cur_dat3 = (dcrc & (1 << 3)) ? ((orig_dat3 + 1) % 32) : orig_dat3; ++ } ++ cur_dat4 = (dcrc & (1 << 4)) ? ((orig_dat4 + 1) % 32) : orig_dat4; ++ cur_dat5 = (dcrc & (1 << 5)) ? ((orig_dat5 + 1) % 32) : orig_dat5; ++ cur_dat6 = (dcrc & (1 << 6)) ? ((orig_dat6 + 1) % 32) : orig_dat6; ++ cur_dat7 = (dcrc & (1 << 7)) ? ((orig_dat7 + 1) % 32) : orig_dat7; ++ ++ cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0); ++ cur_rxdly1 = (cur_dat4 << 24) | (cur_dat5 << 16) | (cur_dat6 << 8) | (cur_dat7 << 0); ++ ++ sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0); ++ sdr_write32(MSDC_DAT_RDDLY1, cur_rxdly1); ++ ++ } while (++rxdly < 32); ++ ++done: ++ return result; ++} ++ ++static int msdc_tune_bwrite(struct mmc_host *mmc,struct mmc_request *mrq) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ u32 base = host->base; ++ ++ u32 wrrdly, cur_wrrdly = 0xffffffff, orig_wrrdly; ++ u32 dsmpl, cur_dsmpl, orig_dsmpl; ++ u32 rxdly, cur_rxdly0; ++ u32 orig_dat0, orig_dat1, orig_dat2, orig_dat3; ++ u32 cur_dat0, cur_dat1, cur_dat2, cur_dat3; ++ int result = -1; ++ u32 skip = 1; ++ ++ // MSDC_IOCON_DDR50CKD need to check. [Fix me] ++ ++ sdr_get_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, orig_wrrdly); ++ sdr_get_field(MSDC_IOCON, MSDC_IOCON_DSPL, orig_dsmpl ); ++ ++ /* Tune Method 2. just DAT0 */ ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DDLSEL, 1); ++ cur_rxdly0 = sdr_read32(MSDC_DAT_RDDLY0); ++ ++ /* E1 ECO. YD: Reverse */ ++ if (sdr_read32(MSDC_ECO_VER) >= 4) { ++ orig_dat0 = (cur_rxdly0 >> 24) & 0x1F; ++ orig_dat1 = (cur_rxdly0 >> 16) & 0x1F; ++ orig_dat2 = (cur_rxdly0 >> 8) & 0x1F; ++ orig_dat3 = (cur_rxdly0 >> 0) & 0x1F; ++ } else { ++ orig_dat0 = (cur_rxdly0 >> 0) & 0x1F; ++ orig_dat1 = (cur_rxdly0 >> 8) & 0x1F; ++ orig_dat2 = (cur_rxdly0 >> 16) & 0x1F; ++ orig_dat3 = (cur_rxdly0 >> 24) & 0x1F; ++ } ++ ++ rxdly = 0; ++ do { ++ wrrdly = 0; ++ do { ++ for (dsmpl = 0; dsmpl < 2; dsmpl++) { ++ cur_dsmpl = (orig_dsmpl + dsmpl) % 2; ++ if (skip == 1) { ++ skip = 0; ++ continue; ++ } ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, cur_dsmpl); ++ ++ if (host->app_cmd) { ++ result = msdc_app_cmd(host->mmc, host); ++ if (result) { ++ ERR_MSG("TUNE_BWRITE app_cmd<%d> failed", host->mrq->cmd->opcode); ++ continue; ++ } ++ } ++ result = msdc_do_request(mmc,mrq); ++ ++ ERR_MSG("TUNE_BWRITE<%s> DSPL<%d> DATWRDLY<%d> MSDC_DAT_RDDLY0<0x%x>", ++ result == 0 ? "PASS" : "FAIL", ++ cur_dsmpl, cur_wrrdly, cur_rxdly0); ++ ++ if (result == 0) { ++ goto done; ++ } ++ else { ++ /* there is a case: command timeout, and data phase not processed */ ++ if (mrq->data->error != (unsigned int)(-EIO)) { ++ ERR_MSG("TUNE_READ: result<0x%x> cmd_error<%d> data_error<%d>", ++ result, mrq->cmd->error, mrq->data->error); ++ goto done; ++ } ++ } ++ } ++ cur_wrrdly = (orig_wrrdly + wrrdly + 1) % 32; ++ sdr_set_field(MSDC_PAD_TUNE, MSDC_PAD_TUNE_DATWRDLY, cur_wrrdly); ++ } while (++wrrdly < 32); ++ ++ cur_dat0 = (orig_dat0 + rxdly) % 32; /* only adjust bit-1 for crc */ ++ cur_dat1 = orig_dat1; ++ cur_dat2 = orig_dat2; ++ cur_dat3 = orig_dat3; ++ ++ cur_rxdly0 = (cur_dat0 << 24) | (cur_dat1 << 16) | (cur_dat2 << 8) | (cur_dat3 << 0); ++ sdr_write32(MSDC_DAT_RDDLY0, cur_rxdly0); ++ } while (++rxdly < 32); ++ ++done: ++ return result; ++} ++ ++static int msdc_get_card_status(struct mmc_host *mmc, struct msdc_host *host, u32 *status) ++{ ++ struct mmc_command cmd; ++ struct mmc_request mrq; ++ u32 err; ++ ++ memset(&cmd, 0, sizeof(struct mmc_command)); ++ cmd.opcode = MMC_SEND_STATUS; ++ if (mmc->card) { ++ cmd.arg = mmc->card->rca << 16; ++ } else { ++ ERR_MSG("cmd13 mmc card is null"); ++ cmd.arg = host->app_cmd_arg; ++ } ++ cmd.flags = MMC_RSP_SPI_R2 | MMC_RSP_R1 | MMC_CMD_AC; ++ ++ memset(&mrq, 0, sizeof(struct mmc_request)); ++ mrq.cmd = &cmd; cmd.mrq = &mrq; ++ cmd.data = NULL; ++ ++ err = msdc_do_command(host, &cmd, 1, CMD_TIMEOUT); ++ ++ if (status) { ++ *status = cmd.resp[0]; ++ } ++ ++ return err; ++} ++ ++static int msdc_check_busy(struct mmc_host *mmc, struct msdc_host *host) ++{ ++ u32 err = 0; ++ u32 status = 0; ++ ++ do { ++ err = msdc_get_card_status(mmc, host, &status); ++ if (err) return err; ++ /* need cmd12? */ ++ ERR_MSG("cmd<13> resp<0x%x>", status); ++ } while (R1_CURRENT_STATE(status) == 7); ++ ++ return err; ++} ++ ++/* failed when msdc_do_request */ ++static int msdc_tune_request(struct mmc_host *mmc, struct mmc_request *mrq) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ struct mmc_command *cmd; ++ struct mmc_data *data; ++ //u32 base = host->base; ++ int ret=0, read; ++ ++ cmd = mrq->cmd; ++ data = mrq->cmd->data; ++ ++ read = data->flags & MMC_DATA_READ ? 1 : 0; ++ ++ if (read) { ++ if (data->error == (unsigned int)(-EIO)) { ++ ret = msdc_tune_bread(mmc,mrq); ++ } ++ } else { ++ ret = msdc_check_busy(mmc, host); ++ if (ret){ ++ ERR_MSG("XXX cmd13 wait program done failed"); ++ return ret; ++ } ++ /* CRC and TO */ ++ /* Fix me: don't care card status? */ ++ ret = msdc_tune_bwrite(mmc,mrq); ++ } ++ ++ return ret; ++} ++ ++/* ops.request */ ++static void msdc_ops_request(struct mmc_host *mmc,struct mmc_request *mrq) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ ++ //=== for sdio profile === ++#if 0 /* --- by chhung */ ++ u32 old_H32, old_L32, new_H32, new_L32; ++ u32 ticks = 0, opcode = 0, sizes = 0, bRx = 0; ++#endif /* end of --- */ ++ ++ if(host->mrq){ ++ ERR_MSG("XXX host->mrq<0x%.8x>", (int)host->mrq); ++ BUG(); ++ } ++ ++ if (!is_card_present(host) || host->power_mode == MMC_POWER_OFF) { ++ ERR_MSG("cmd<%d> card<%d> power<%d>", mrq->cmd->opcode, is_card_present(host), host->power_mode); ++ mrq->cmd->error = (unsigned int)-ENOMEDIUM; ++ ++#if 1 ++ mrq->done(mrq); // call done directly. ++#else ++ mrq->cmd->retries = 0; // please don't retry. ++ mmc_request_done(mmc, mrq); ++#endif ++ ++ return; ++ } ++ ++ /* start to process */ ++ spin_lock(&host->lock); ++#if 0 /* --- by chhung */ ++ if (sdio_pro_enable) { //=== for sdio profile === ++ if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) { ++ GPT_GetCounter64(&old_L32, &old_H32); ++ } ++ } ++#endif /* end of --- */ ++ ++ host->mrq = mrq; ++ ++ if (msdc_do_request(mmc,mrq)) { ++ if(host->hw->flags & MSDC_REMOVABLE && mrq->data && mrq->data->error) { ++ msdc_tune_request(mmc,mrq); ++ } ++ } ++ ++ /* ==== when request done, check if app_cmd ==== */ ++ if (mrq->cmd->opcode == MMC_APP_CMD) { ++ host->app_cmd = 1; ++ host->app_cmd_arg = mrq->cmd->arg; /* save the RCA */ ++ } else { ++ host->app_cmd = 0; ++ //host->app_cmd_arg = 0; ++ } ++ ++ host->mrq = NULL; ++ ++#if 0 /* --- by chhung */ ++ //=== for sdio profile === ++ if (sdio_pro_enable) { ++ if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) { ++ GPT_GetCounter64(&new_L32, &new_H32); ++ ticks = msdc_time_calc(old_L32, old_H32, new_L32, new_H32); ++ ++ opcode = mrq->cmd->opcode; ++ if (mrq->cmd->data) { ++ sizes = mrq->cmd->data->blocks * mrq->cmd->data->blksz; ++ bRx = mrq->cmd->data->flags & MMC_DATA_READ ? 1 : 0 ; ++ } else { ++ bRx = mrq->cmd->arg & 0x80000000 ? 1 : 0; ++ } ++ ++ if (!mrq->cmd->error) { ++ msdc_performance(opcode, sizes, bRx, ticks); ++ } ++ } ++ } ++#endif /* end of --- */ ++ spin_unlock(&host->lock); ++ ++ mmc_request_done(mmc, mrq); ++ ++ return; ++} ++ ++/* called by ops.set_ios */ ++static void msdc_set_buswidth(struct msdc_host *host, u32 width) ++{ ++ u32 base = host->base; ++ u32 val = sdr_read32(SDC_CFG); ++ ++ val &= ~SDC_CFG_BUSWIDTH; ++ ++ switch (width) { ++ default: ++ case MMC_BUS_WIDTH_1: ++ width = 1; ++ val |= (MSDC_BUS_1BITS << 16); ++ break; ++ case MMC_BUS_WIDTH_4: ++ val |= (MSDC_BUS_4BITS << 16); ++ break; ++ case MMC_BUS_WIDTH_8: ++ val |= (MSDC_BUS_8BITS << 16); ++ break; ++ } ++ ++ sdr_write32(SDC_CFG, val); ++ ++ N_MSG(CFG, "Bus Width = %d", width); ++} ++ ++/* ops.set_ios */ ++static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ struct msdc_hw *hw=host->hw; ++ u32 base = host->base; ++ u32 ddr = 0; ++ ++#ifdef MT6575_SD_DEBUG ++ static char *vdd[] = { ++ "1.50v", "1.55v", "1.60v", "1.65v", "1.70v", "1.80v", "1.90v", ++ "2.00v", "2.10v", "2.20v", "2.30v", "2.40v", "2.50v", "2.60v", ++ "2.70v", "2.80v", "2.90v", "3.00v", "3.10v", "3.20v", "3.30v", ++ "3.40v", "3.50v", "3.60v" ++ }; ++ static char *power_mode[] = { ++ "OFF", "UP", "ON" ++ }; ++ static char *bus_mode[] = { ++ "UNKNOWN", "OPENDRAIN", "PUSHPULL" ++ }; ++ static char *timing[] = { ++ "LEGACY", "MMC_HS", "SD_HS" ++ }; ++ ++ printk("SET_IOS: CLK(%dkHz), BUS(%s), BW(%u), PWR(%s), VDD(%s), TIMING(%s)", ++ ios->clock / 1000, bus_mode[ios->bus_mode], ++ (ios->bus_width == MMC_BUS_WIDTH_4) ? 4 : 1, ++ power_mode[ios->power_mode], vdd[ios->vdd], timing[ios->timing]); ++#endif ++ ++ msdc_set_buswidth(host, ios->bus_width); ++ ++ /* Power control ??? */ ++ switch (ios->power_mode) { ++ case MMC_POWER_OFF: ++ case MMC_POWER_UP: ++ // msdc_set_power_mode(host, ios->power_mode); /* --- by chhung */ ++ break; ++ case MMC_POWER_ON: ++ host->power_mode = MMC_POWER_ON; ++ break; ++ default: ++ break; ++ } ++ ++ /* Clock control */ ++ if (host->mclk != ios->clock) { ++ if(ios->clock > 25000000) { ++ //if (!(host->hw->flags & MSDC_REMOVABLE)) { ++ INIT_MSG("SD data latch edge<%d>", hw->data_edge); ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL, hw->cmd_edge); ++ sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, hw->data_edge); ++ //} /* for tuning debug */ ++ } else { /* default value */ ++ sdr_write32(MSDC_IOCON, 0x00000000); ++ // sdr_write32(MSDC_DAT_RDDLY0, 0x00000000); ++ sdr_write32(MSDC_DAT_RDDLY0, 0x10101010); // for MT7620 E2 and afterward ++ sdr_write32(MSDC_DAT_RDDLY1, 0x00000000); ++ // sdr_write32(MSDC_PAD_TUNE, 0x00000000); ++ sdr_write32(MSDC_PAD_TUNE, 0x84101010); // for MT7620 E2 and afterward ++ } ++ msdc_set_mclk(host, ddr, ios->clock); ++ } ++} ++ ++/* ops.get_ro */ ++static int msdc_ops_get_ro(struct mmc_host *mmc) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ u32 base = host->base; ++ unsigned long flags; ++ int ro = 0; ++ ++ if (host->hw->flags & MSDC_WP_PIN_EN) { /* set for card */ ++ spin_lock_irqsave(&host->lock, flags); ++ ro = (sdr_read32(MSDC_PS) >> 31); ++ spin_unlock_irqrestore(&host->lock, flags); ++ } ++ return ro; ++} ++ ++/* ops.get_cd */ ++static int msdc_ops_get_cd(struct mmc_host *mmc) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ u32 base = host->base; ++ unsigned long flags; ++ int present = 1; ++ ++ /* for sdio, MSDC_REMOVABLE not set, always return 1 */ ++ if (!(host->hw->flags & MSDC_REMOVABLE)) { ++ /* For sdio, read H/W always get<1>, but may timeout some times */ ++#if 1 ++ host->card_inserted = 1; ++ return 1; ++#else ++ host->card_inserted = (host->pm_state.event == PM_EVENT_USER_RESUME) ? 1 : 0; ++ INIT_MSG("sdio ops_get_cd<%d>", host->card_inserted); ++ return host->card_inserted; ++#endif ++ } ++ ++ /* MSDC_CD_PIN_EN set for card */ ++ if (host->hw->flags & MSDC_CD_PIN_EN) { ++ spin_lock_irqsave(&host->lock, flags); ++#if 0 ++ present = host->card_inserted; /* why not read from H/W: Fix me*/ ++#else ++ present = (sdr_read32(MSDC_PS) & MSDC_PS_CDSTS) ? 0 : 1; ++ host->card_inserted = present; ++#endif ++ spin_unlock_irqrestore(&host->lock, flags); ++ } else { ++ present = 0; /* TODO? Check DAT3 pins for card detection */ ++ } ++ ++ INIT_MSG("ops_get_cd return<%d>", present); ++ return present; ++} ++ ++/* ops.enable_sdio_irq */ ++static void msdc_ops_enable_sdio_irq(struct mmc_host *mmc, int enable) ++{ ++ struct msdc_host *host = mmc_priv(mmc); ++ struct msdc_hw *hw = host->hw; ++ u32 base = host->base; ++ u32 tmp; ++ ++ if (hw->flags & MSDC_EXT_SDIO_IRQ) { /* yes for sdio */ ++ if (enable) { ++ hw->enable_sdio_eirq(); /* combo_sdio_enable_eirq */ ++ } else { ++ hw->disable_sdio_eirq(); /* combo_sdio_disable_eirq */ ++ } ++ } else { ++ ERR_MSG("XXX "); /* so never enter here */ ++ tmp = sdr_read32(SDC_CFG); ++ /* FIXME. Need to interrupt gap detection */ ++ if (enable) { ++ tmp |= (SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP); ++ } else { ++ tmp &= ~(SDC_CFG_SDIOIDE | SDC_CFG_SDIOINTWKUP); ++ } ++ sdr_write32(SDC_CFG, tmp); ++ } ++} ++ ++static struct mmc_host_ops mt_msdc_ops = { ++ .request = msdc_ops_request, ++ .set_ios = msdc_ops_set_ios, ++ .get_ro = msdc_ops_get_ro, ++ .get_cd = msdc_ops_get_cd, ++ .enable_sdio_irq = msdc_ops_enable_sdio_irq, ++}; ++ ++/*--------------------------------------------------------------------------*/ ++/* interrupt handler */ ++/*--------------------------------------------------------------------------*/ ++static irqreturn_t msdc_irq(int irq, void *dev_id) ++{ ++ struct msdc_host *host = (struct msdc_host *)dev_id; ++ struct mmc_data *data = host->data; ++ struct mmc_command *cmd = host->cmd; ++ u32 base = host->base; ++ ++ u32 cmdsts = MSDC_INT_RSPCRCERR | MSDC_INT_CMDTMO | MSDC_INT_CMDRDY | ++ MSDC_INT_ACMDCRCERR | MSDC_INT_ACMDTMO | MSDC_INT_ACMDRDY | ++ MSDC_INT_ACMD19_DONE; ++ u32 datsts = MSDC_INT_DATCRCERR |MSDC_INT_DATTMO; ++ ++ u32 intsts = sdr_read32(MSDC_INT); ++ u32 inten = sdr_read32(MSDC_INTEN); inten &= intsts; ++ ++ sdr_write32(MSDC_INT, intsts); /* clear interrupts */ ++ /* MSG will cause fatal error */ ++ ++ /* card change interrupt */ ++ if (intsts & MSDC_INT_CDSC){ ++#if defined CONFIG_MTK_MMC_CD_POLL ++ return IRQ_HANDLED; ++#endif ++ IRQ_MSG("MSDC_INT_CDSC irq<0x%.8x>", intsts); ++#if 0 /* ---/+++ by chhung: fix slot mechanical bounce issue */ ++ tasklet_hi_schedule(&host->card_tasklet); ++#else ++ schedule_delayed_work(&host->card_delaywork, HZ); ++#endif ++ /* tuning when plug card ? */ ++ } ++ ++ /* sdio interrupt */ ++ if (intsts & MSDC_INT_SDIOIRQ){ ++ IRQ_MSG("XXX MSDC_INT_SDIOIRQ"); /* seems not sdio irq */ ++ //mmc_signal_sdio_irq(host->mmc); ++ } ++ ++ /* transfer complete interrupt */ ++ if (data != NULL) { ++ if (inten & MSDC_INT_XFER_COMPL) { ++ data->bytes_xfered = host->dma.xfersz; ++ complete(&host->xfer_done); ++ } ++ ++ if (intsts & datsts) { ++ /* do basic reset, or stop command will sdc_busy */ ++ msdc_reset(); ++ msdc_clr_fifo(); ++ msdc_clr_int(); ++ atomic_set(&host->abort, 1); /* For PIO mode exit */ ++ ++ if (intsts & MSDC_INT_DATTMO){ ++ IRQ_MSG("XXX CMD<%d> MSDC_INT_DATTMO", host->mrq->cmd->opcode); ++ data->error = (unsigned int)-ETIMEDOUT; ++ } ++ else if (intsts & MSDC_INT_DATCRCERR){ ++ IRQ_MSG("XXX CMD<%d> MSDC_INT_DATCRCERR, SDC_DCRC_STS<0x%x>", host->mrq->cmd->opcode, sdr_read32(SDC_DCRC_STS)); ++ data->error = (unsigned int)-EIO; ++ } ++ ++ //if(sdr_read32(MSDC_INTEN) & MSDC_INT_XFER_COMPL) { ++ if (host->dma_xfer) { ++ complete(&host->xfer_done); /* Read CRC come fast, XFER_COMPL not enabled */ ++ } /* PIO mode can't do complete, because not init */ ++ } ++ } ++ ++ /* command interrupts */ ++ if ((cmd != NULL) && (intsts & cmdsts)) { ++ if ((intsts & MSDC_INT_CMDRDY) || (intsts & MSDC_INT_ACMDRDY) || ++ (intsts & MSDC_INT_ACMD19_DONE)) { ++ u32 *rsp = &cmd->resp[0]; ++ ++ switch (host->cmd_rsp) { ++ case RESP_NONE: ++ break; ++ case RESP_R2: ++ *rsp++ = sdr_read32(SDC_RESP3); *rsp++ = sdr_read32(SDC_RESP2); ++ *rsp++ = sdr_read32(SDC_RESP1); *rsp++ = sdr_read32(SDC_RESP0); ++ break; ++ default: /* Response types 1, 3, 4, 5, 6, 7(1b) */ ++ if ((intsts & MSDC_INT_ACMDRDY) || (intsts & MSDC_INT_ACMD19_DONE)) { ++ *rsp = sdr_read32(SDC_ACMD_RESP); ++ } else { ++ *rsp = sdr_read32(SDC_RESP0); ++ } ++ break; ++ } ++ } else if ((intsts & MSDC_INT_RSPCRCERR) || (intsts & MSDC_INT_ACMDCRCERR)) { ++ if(intsts & MSDC_INT_ACMDCRCERR){ ++ IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDCRCERR",cmd->opcode); ++ } ++ else { ++ IRQ_MSG("XXX CMD<%d> MSDC_INT_RSPCRCERR",cmd->opcode); ++ } ++ cmd->error = (unsigned int)-EIO; ++ } else if ((intsts & MSDC_INT_CMDTMO) || (intsts & MSDC_INT_ACMDTMO)) { ++ if(intsts & MSDC_INT_ACMDTMO){ ++ IRQ_MSG("XXX CMD<%d> MSDC_INT_ACMDTMO",cmd->opcode); ++ } ++ else { ++ IRQ_MSG("XXX CMD<%d> MSDC_INT_CMDTMO",cmd->opcode); ++ } ++ cmd->error = (unsigned int)-ETIMEDOUT; ++ msdc_reset(); ++ msdc_clr_fifo(); ++ msdc_clr_int(); ++ } ++ complete(&host->cmd_done); ++ } ++ ++ /* mmc irq interrupts */ ++ if (intsts & MSDC_INT_MMCIRQ) { ++ printk(KERN_INFO "msdc[%d] MMCIRQ: SDC_CSTS=0x%.8x\r\n", host->id, sdr_read32(SDC_CSTS)); ++ } ++ ++#ifdef MT6575_SD_DEBUG ++ { ++ msdc_int_reg *int_reg = (msdc_int_reg*)&intsts; ++ N_MSG(INT, "IRQ_EVT(0x%x): MMCIRQ(%d) CDSC(%d), ACRDY(%d), ACTMO(%d), ACCRE(%d) AC19DN(%d)", ++ intsts, ++ int_reg->mmcirq, ++ int_reg->cdsc, ++ int_reg->atocmdrdy, ++ int_reg->atocmdtmo, ++ int_reg->atocmdcrc, ++ int_reg->atocmd19done); ++ N_MSG(INT, "IRQ_EVT(0x%x): SDIO(%d) CMDRDY(%d), CMDTMO(%d), RSPCRC(%d), CSTA(%d)", ++ intsts, ++ int_reg->sdioirq, ++ int_reg->cmdrdy, ++ int_reg->cmdtmo, ++ int_reg->rspcrc, ++ int_reg->csta); ++ N_MSG(INT, "IRQ_EVT(0x%x): XFCMP(%d) DXDONE(%d), DATTMO(%d), DATCRC(%d), DMAEMP(%d)", ++ intsts, ++ int_reg->xfercomp, ++ int_reg->dxferdone, ++ int_reg->dattmo, ++ int_reg->datcrc, ++ int_reg->dmaqempty); ++ ++ } ++#endif ++ ++ return IRQ_HANDLED; ++} ++ ++/*--------------------------------------------------------------------------*/ ++/* platform_driver members */ ++/*--------------------------------------------------------------------------*/ ++/* called by msdc_drv_probe/remove */ ++static void msdc_enable_cd_irq(struct msdc_host *host, int enable) ++{ ++ struct msdc_hw *hw = host->hw; ++ u32 base = host->base; ++ ++ /* for sdio, not set */ ++ if ((hw->flags & MSDC_CD_PIN_EN) == 0) { ++ /* Pull down card detection pin since it is not avaiable */ ++ /* ++ if (hw->config_gpio_pin) ++ hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN); ++ */ ++ sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN); ++ sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC); ++ sdr_clr_bits(SDC_CFG, SDC_CFG_INSWKUP); ++ return; ++ } ++ ++ N_MSG(CFG, "CD IRQ Eanable(%d)", enable); ++ ++ if (enable) { ++ if (hw->enable_cd_eirq) { /* not set, never enter */ ++ hw->enable_cd_eirq(); ++ } else { ++ /* card detection circuit relies on the core power so that the core power ++ * shouldn't be turned off. Here adds a reference count to keep ++ * the core power alive. ++ */ ++ //msdc_vcore_on(host); //did in msdc_init_hw() ++ ++ if (hw->config_gpio_pin) /* NULL */ ++ hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_UP); ++ ++ sdr_set_field(MSDC_PS, MSDC_PS_CDDEBOUNCE, DEFAULT_DEBOUNCE); ++ sdr_set_bits(MSDC_PS, MSDC_PS_CDEN); ++ sdr_set_bits(MSDC_INTEN, MSDC_INTEN_CDSC); ++ sdr_set_bits(SDC_CFG, SDC_CFG_INSWKUP); /* not in document! Fix me */ ++ } ++ } else { ++ if (hw->disable_cd_eirq) { ++ hw->disable_cd_eirq(); ++ } else { ++ if (hw->config_gpio_pin) /* NULL */ ++ hw->config_gpio_pin(MSDC_CD_PIN, GPIO_PULL_DOWN); ++ ++ sdr_clr_bits(SDC_CFG, SDC_CFG_INSWKUP); ++ sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN); ++ sdr_clr_bits(MSDC_INTEN, MSDC_INTEN_CDSC); ++ ++ /* Here decreases a reference count to core power since card ++ * detection circuit is shutdown. ++ */ ++ //msdc_vcore_off(host); ++ } ++ } ++} ++ ++/* called by msdc_drv_probe */ ++static void msdc_init_hw(struct msdc_host *host) ++{ ++ u32 base = host->base; ++ struct msdc_hw *hw = host->hw; ++ ++#ifdef MT6575_SD_DEBUG ++ msdc_reg[host->id] = (struct msdc_regs *)host->base; ++#endif ++ ++ /* Power on */ ++#if 0 /* --- by chhung */ ++ msdc_vcore_on(host); ++ msdc_pin_reset(host, MSDC_PIN_PULL_UP); ++ msdc_select_clksrc(host, hw->clk_src); ++ enable_clock(PERI_MSDC0_PDN + host->id, "SD"); ++ msdc_vdd_on(host); ++#endif /* end of --- */ ++ /* Configure to MMC/SD mode */ ++ sdr_set_field(MSDC_CFG, MSDC_CFG_MODE, MSDC_SDMMC); ++ ++ /* Reset */ ++ msdc_reset(); ++ msdc_clr_fifo(); ++ ++ /* Disable card detection */ ++ sdr_clr_bits(MSDC_PS, MSDC_PS_CDEN); ++ ++ /* Disable and clear all interrupts */ ++ sdr_clr_bits(MSDC_INTEN, sdr_read32(MSDC_INTEN)); ++ sdr_write32(MSDC_INT, sdr_read32(MSDC_INT)); ++ ++#if 1 ++ /* reset tuning parameter */ ++ sdr_write32(MSDC_PAD_CTL0, 0x00090000); ++ sdr_write32(MSDC_PAD_CTL1, 0x000A0000); ++ sdr_write32(MSDC_PAD_CTL2, 0x000A0000); ++ // sdr_write32(MSDC_PAD_TUNE, 0x00000000); ++ sdr_write32(MSDC_PAD_TUNE, 0x84101010); // for MT7620 E2 and afterward ++ // sdr_write32(MSDC_DAT_RDDLY0, 0x00000000); ++ sdr_write32(MSDC_DAT_RDDLY0, 0x10101010); // for MT7620 E2 and afterward ++ sdr_write32(MSDC_DAT_RDDLY1, 0x00000000); ++ sdr_write32(MSDC_IOCON, 0x00000000); ++#if 0 // use MT7620 default value: 0x403c004f ++ sdr_write32(MSDC_PATCH_BIT0, 0x003C000F); /* bit0 modified: Rx Data Clock Source: 1 -> 2.0*/ ++#endif ++ ++ if (sdr_read32(MSDC_ECO_VER) >= 4) { ++ if (host->id == 1) { ++ sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_WRDAT_CRCS, 1); ++ sdr_set_field(MSDC_PATCH_BIT1, MSDC_PATCH_BIT1_CMD_RSP, 1); ++ ++ /* internal clock: latch read data */ ++ sdr_set_bits(MSDC_PATCH_BIT0, MSDC_PATCH_BIT_CKGEN_CK); ++ } ++ } ++#endif ++ ++ /* for safety, should clear SDC_CFG.SDIO_INT_DET_EN & set SDC_CFG.SDIO in ++ pre-loader,uboot,kernel drivers. and SDC_CFG.SDIO_INT_DET_EN will be only ++ set when kernel driver wants to use SDIO bus interrupt */ ++ /* Configure to enable SDIO mode. it's must otherwise sdio cmd5 failed */ ++ sdr_set_bits(SDC_CFG, SDC_CFG_SDIO); ++ ++ /* disable detect SDIO device interupt function */ ++ sdr_clr_bits(SDC_CFG, SDC_CFG_SDIOIDE); ++ ++ /* eneable SMT for glitch filter */ ++ sdr_set_bits(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKSMT); ++ sdr_set_bits(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDSMT); ++ sdr_set_bits(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATSMT); ++ ++#if 1 ++ /* set clk, cmd, dat pad driving */ ++ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, hw->clk_drv); ++ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, hw->clk_drv); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, hw->cmd_drv); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, hw->cmd_drv); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, hw->dat_drv); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, hw->dat_drv); ++#else ++ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVN, 0); ++ sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKDRVP, 0); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVN, 0); ++ sdr_set_field(MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDDRVP, 0); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVN, 0); ++ sdr_set_field(MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATDRVP, 0); ++#endif ++ ++ /* set sampling edge */ ++ ++ /* write crc timeout detection */ ++ sdr_set_field(MSDC_PATCH_BIT0, 1 << 30, 1); ++ ++ /* Configure to default data timeout */ ++ sdr_set_field(SDC_CFG, SDC_CFG_DTOC, DEFAULT_DTOC); ++ ++ msdc_set_buswidth(host, MMC_BUS_WIDTH_1); ++ ++ N_MSG(FUC, "init hardware done!"); ++} ++ ++/* called by msdc_drv_remove */ ++static void msdc_deinit_hw(struct msdc_host *host) ++{ ++ u32 base = host->base; ++ ++ /* Disable and clear all interrupts */ ++ sdr_clr_bits(MSDC_INTEN, sdr_read32(MSDC_INTEN)); ++ sdr_write32(MSDC_INT, sdr_read32(MSDC_INT)); ++ ++ /* Disable card detection */ ++ msdc_enable_cd_irq(host, 0); ++ // msdc_set_power_mode(host, MMC_POWER_OFF); /* make sure power down */ /* --- by chhung */ ++} ++ ++/* init gpd and bd list in msdc_drv_probe */ ++static void msdc_init_gpd_bd(struct msdc_host *host, struct msdc_dma *dma) ++{ ++ gpd_t *gpd = dma->gpd; ++ bd_t *bd = dma->bd; ++ bd_t *ptr, *prev; ++ ++ /* we just support one gpd */ ++ int bdlen = MAX_BD_PER_GPD; ++ ++ /* init the 2 gpd */ ++ memset(gpd, 0, sizeof(gpd_t) * 2); ++ //gpd->next = (void *)virt_to_phys(gpd + 1); /* pointer to a null gpd, bug! kmalloc <-> virt_to_phys */ ++ //gpd->next = (dma->gpd_addr + 1); /* bug */ ++ gpd->next = (void *)((u32)dma->gpd_addr + sizeof(gpd_t)); ++ ++ //gpd->intr = 0; ++ gpd->bdp = 1; /* hwo, cs, bd pointer */ ++ //gpd->ptr = (void*)virt_to_phys(bd); ++ gpd->ptr = (void *)dma->bd_addr; /* physical address */ ++ ++ memset(bd, 0, sizeof(bd_t) * bdlen); ++ ptr = bd + bdlen - 1; ++ //ptr->eol = 1; /* 0 or 1 [Fix me]*/ ++ //ptr->next = 0; ++ ++ while (ptr != bd) { ++ prev = ptr - 1; ++ prev->next = (void *)(dma->bd_addr + sizeof(bd_t) *(ptr - bd)); ++ ptr = prev; ++ } ++} ++ ++static int msdc_drv_probe(struct platform_device *pdev) ++{ ++ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ __iomem void *base; ++ struct mmc_host *mmc; ++ struct resource *mem; ++ struct msdc_host *host; ++ struct msdc_hw *hw; ++ int ret, irq; ++ ++ pdev->dev.platform_data = &msdc0_hw; ++ ++ /* Allocate MMC host for this device */ ++ mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev); ++ if (!mmc) return -ENOMEM; ++ ++ hw = (struct msdc_hw*)pdev->dev.platform_data; ++ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ irq = platform_get_irq(pdev, 0); ++ ++ //BUG_ON((!hw) || (!mem) || (irq < 0)); /* --- by chhung */ ++ ++ base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(base)) ++ return PTR_ERR(base); ++ ++ /* Set host parameters to mmc */ ++ mmc->ops = &mt_msdc_ops; ++ mmc->f_min = HOST_MIN_MCLK; ++ mmc->f_max = HOST_MAX_MCLK; ++ mmc->ocr_avail = MSDC_OCR_AVAIL; ++ ++ /* For sd card: MSDC_SYS_SUSPEND | MSDC_WP_PIN_EN | MSDC_CD_PIN_EN | MSDC_REMOVABLE | MSDC_HIGHSPEED, ++ For sdio : MSDC_EXT_SDIO_IRQ | MSDC_HIGHSPEED */ ++ if (hw->flags & MSDC_HIGHSPEED) { ++ mmc->caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED; ++ } ++ if (hw->data_pins == 4) { /* current data_pins are all 4*/ ++ mmc->caps |= MMC_CAP_4_BIT_DATA; ++ } else if (hw->data_pins == 8) { ++ mmc->caps |= MMC_CAP_8_BIT_DATA; ++ } ++ if ((hw->flags & MSDC_SDIO_IRQ) || (hw->flags & MSDC_EXT_SDIO_IRQ)) ++ mmc->caps |= MMC_CAP_SDIO_IRQ; /* yes for sdio */ ++ ++#if defined CONFIG_MTK_MMC_CD_POLL ++ mmc->caps |= MMC_CAP_NEEDS_POLL; ++#endif ++ ++ /* MMC core transfer sizes tunable parameters */ ++#if LINUX_VERSION_CODE > KERNEL_VERSION(3,10,0) ++ mmc->max_segs = MAX_HW_SGMTS; ++#else ++ mmc->max_hw_segs = MAX_HW_SGMTS; ++ mmc->max_phys_segs = MAX_PHY_SGMTS; ++#endif ++ mmc->max_seg_size = MAX_SGMT_SZ; ++ mmc->max_blk_size = HOST_MAX_BLKSZ; ++ mmc->max_req_size = MAX_REQ_SZ; ++ mmc->max_blk_count = mmc->max_req_size; ++ ++ host = mmc_priv(mmc); ++ host->hw = hw; ++ host->mmc = mmc; ++ host->id = pdev->id; ++ host->error = 0; ++ host->irq = irq; ++ host->base = (unsigned long) base; ++ host->mclk = 0; /* mclk: the request clock of mmc sub-system */ ++ host->hclk = hclks[hw->clk_src]; /* hclk: clock of clock source to msdc controller */ ++ host->sclk = 0; /* sclk: the really clock after divition */ ++ host->pm_state = PMSG_RESUME; ++ host->suspend = 0; ++ host->core_clkon = 0; ++ host->card_clkon = 0; ++ host->core_power = 0; ++ host->power_mode = MMC_POWER_OFF; ++// host->card_inserted = hw->flags & MSDC_REMOVABLE ? 0 : 1; ++ host->timeout_ns = 0; ++ host->timeout_clks = DEFAULT_DTOC * 65536; ++ ++ host->mrq = NULL; ++ //init_MUTEX(&host->sem); /* we don't need to support multiple threads access */ ++ ++ host->dma.used_gpd = 0; ++ host->dma.used_bd = 0; ++ ++ /* using dma_alloc_coherent*/ /* todo: using 1, for all 4 slots */ ++ host->dma.gpd = dma_alloc_coherent(NULL, MAX_GPD_NUM * sizeof(gpd_t), &host->dma.gpd_addr, GFP_KERNEL); ++ host->dma.bd = dma_alloc_coherent(NULL, MAX_BD_NUM * sizeof(bd_t), &host->dma.bd_addr, GFP_KERNEL); ++ BUG_ON((!host->dma.gpd) || (!host->dma.bd)); ++ msdc_init_gpd_bd(host, &host->dma); ++ /*for emmc*/ ++ msdc_6575_host[pdev->id] = host; ++ ++#if 0 ++ tasklet_init(&host->card_tasklet, msdc_tasklet_card, (ulong)host); ++#else ++ INIT_DELAYED_WORK(&host->card_delaywork, msdc_tasklet_card); ++#endif ++ spin_lock_init(&host->lock); ++ msdc_init_hw(host); ++ ++ ret = request_irq((unsigned int)irq, msdc_irq, IRQF_TRIGGER_LOW, dev_name(&pdev->dev), host); ++ if (ret) goto release; ++ // mt65xx_irq_unmask(irq); /* --- by chhung */ ++ ++ if (hw->flags & MSDC_CD_PIN_EN) { /* not set for sdio */ ++ if (hw->request_cd_eirq) { /* not set for MT6575 */ ++ hw->request_cd_eirq(msdc_eirq_cd, (void*)host); /* msdc_eirq_cd will not be used! */ ++ } ++ } ++ ++ if (hw->request_sdio_eirq) /* set to combo_sdio_request_eirq() for WIFI */ ++ hw->request_sdio_eirq(msdc_eirq_sdio, (void*)host); /* msdc_eirq_sdio() will be called when EIRQ */ ++ ++ if (hw->register_pm) {/* yes for sdio */ ++#ifdef CONFIG_PM ++ hw->register_pm(msdc_pm, (void*)host); /* combo_sdio_register_pm() */ ++#endif ++ if(hw->flags & MSDC_SYS_SUSPEND) { /* will not set for WIFI */ ++ ERR_MSG("MSDC_SYS_SUSPEND and register_pm both set"); ++ } ++ //mmc->pm_flags |= MMC_PM_IGNORE_PM_NOTIFY; /* pm not controlled by system but by client. */ /* --- by chhung */ ++ } ++ ++ platform_set_drvdata(pdev, mmc); ++ ++ ret = mmc_add_host(mmc); ++ if (ret) goto free_irq; ++ ++ /* Config card detection pin and enable interrupts */ ++ if (hw->flags & MSDC_CD_PIN_EN) { /* set for card */ ++ msdc_enable_cd_irq(host, 1); ++ } else { ++ msdc_enable_cd_irq(host, 0); ++ } ++ ++ return 0; ++ ++free_irq: ++ free_irq(irq, host); ++release: ++ platform_set_drvdata(pdev, NULL); ++ msdc_deinit_hw(host); ++ ++#if 0 ++ tasklet_kill(&host->card_tasklet); ++#else ++ cancel_delayed_work_sync(&host->card_delaywork); ++#endif ++ ++ if (mem) ++ release_mem_region(mem->start, mem->end - mem->start + 1); ++ ++ mmc_free_host(mmc); ++ ++ return ret; ++} ++ ++/* 4 device share one driver, using "drvdata" to show difference */ ++static int msdc_drv_remove(struct platform_device *pdev) ++{ ++ struct mmc_host *mmc; ++ struct msdc_host *host; ++ struct resource *mem; ++ ++ mmc = platform_get_drvdata(pdev); ++ BUG_ON(!mmc); ++ ++ host = mmc_priv(mmc); ++ BUG_ON(!host); ++ ++ ERR_MSG("removed !!!"); ++ ++ platform_set_drvdata(pdev, NULL); ++ mmc_remove_host(host->mmc); ++ msdc_deinit_hw(host); ++ ++#if 0 ++ tasklet_kill(&host->card_tasklet); ++#else ++ cancel_delayed_work_sync(&host->card_delaywork); ++#endif ++ free_irq(host->irq, host); ++ ++ dma_free_coherent(NULL, MAX_GPD_NUM * sizeof(gpd_t), host->dma.gpd, host->dma.gpd_addr); ++ dma_free_coherent(NULL, MAX_BD_NUM * sizeof(bd_t), host->dma.bd, host->dma.bd_addr); ++ ++ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ ++ if (mem) ++ release_mem_region(mem->start, mem->end - mem->start + 1); ++ ++ mmc_free_host(host->mmc); ++ ++ return 0; ++} ++ ++/* Fix me: Power Flow */ ++#ifdef CONFIG_PM ++static int msdc_drv_suspend(struct platform_device *pdev, pm_message_t state) ++{ ++ int ret = 0; ++ struct mmc_host *mmc = platform_get_drvdata(pdev); ++ struct msdc_host *host = mmc_priv(mmc); ++ ++ if (mmc && state.event == PM_EVENT_SUSPEND && (host->hw->flags & MSDC_SYS_SUSPEND)) { /* will set for card */ ++ msdc_pm(state, (void*)host); ++ } ++ ++ return ret; ++} ++ ++static int msdc_drv_resume(struct platform_device *pdev) ++{ ++ int ret = 0; ++ struct mmc_host *mmc = platform_get_drvdata(pdev); ++ struct msdc_host *host = mmc_priv(mmc); ++ struct pm_message state; ++ ++ state.event = PM_EVENT_RESUME; ++ if (mmc && (host->hw->flags & MSDC_SYS_SUSPEND)) {/* will set for card */ ++ msdc_pm(state, (void*)host); ++ } ++ ++ /* This mean WIFI not controller by PM */ ++ ++ return ret; ++} ++#endif ++ ++static const struct of_device_id mt7620_sdhci_match[] = { ++ { .compatible = "ralink,mt7620-sdhci" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, rt288x_wdt_match); ++ ++static struct platform_driver mt_msdc_driver = { ++ .probe = msdc_drv_probe, ++ .remove = msdc_drv_remove, ++#ifdef CONFIG_PM ++ .suspend = msdc_drv_suspend, ++ .resume = msdc_drv_resume, ++#endif ++ .driver = { ++ .name = DRV_NAME, ++ .owner = THIS_MODULE, ++ .of_match_table = mt7620_sdhci_match, ++ }, ++}; ++ ++/*--------------------------------------------------------------------------*/ ++/* module init/exit */ ++/*--------------------------------------------------------------------------*/ ++static int __init mt_msdc_init(void) ++{ ++ int ret; ++/* +++ by chhung */ ++ u32 reg; ++ ++#if defined (CONFIG_MTD_ANY_RALINK) ++ extern int ra_check_flash_type(void); ++ if(ra_check_flash_type() == 2) { /* NAND */ ++ printk("%s: !!!!! SDXC Module Initialize Fail !!!!!", __func__); ++ return 0; ++ } ++#endif ++ printk("MTK MSDC device init.\n"); ++ mtk_sd_device.dev.platform_data = &msdc0_hw; ++if (ralink_soc == MT762X_SOC_MT7620A || ralink_soc == MT762X_SOC_MT7621AT) { ++//#if defined (CONFIG_RALINK_MT7620) || defined (CONFIG_RALINK_MT7621) ++ reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<18); ++//#if defined (CONFIG_RALINK_MT7620) ++ if (ralink_soc == MT762X_SOC_MT7620A) ++ reg |= 0x1<<18; ++//#endif ++} else { ++//#elif defined (CONFIG_RALINK_MT7628) ++ /* TODO: maybe omitted when RAether already toggle AGPIO_CFG */ ++ reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c)); ++ reg |= 0x1e << 16; ++ sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x3c), reg); ++ ++ reg = sdr_read32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60)) & ~(0x3<<10); ++#if defined (CONFIG_MTK_MMC_EMMC_8BIT) ++ reg |= 0x3<<26 | 0x3<<28 | 0x3<<30; ++ msdc0_hw.data_pins = 8, ++#endif ++//#endif ++} ++ sdr_write32((volatile u32*)(RALINK_SYSCTL_BASE + 0x60), reg); ++ //platform_device_register(&mtk_sd_device); ++/* end of +++ */ ++ ++ ret = platform_driver_register(&mt_msdc_driver); ++ if (ret) { ++ printk(KERN_ERR DRV_NAME ": Can't register driver"); ++ return ret; ++ } ++ printk(KERN_INFO DRV_NAME ": MediaTek MT6575 MSDC Driver\n"); ++ ++#if defined (MT6575_SD_DEBUG) ++ msdc_debug_proc_init(); ++#endif ++ return 0; ++} ++ ++static void __exit mt_msdc_exit(void) ++{ ++// platform_device_unregister(&mtk_sd_device); ++ platform_driver_unregister(&mt_msdc_driver); ++} ++ ++module_init(mt_msdc_init); ++module_exit(mt_msdc_exit); ++MODULE_LICENSE("GPL"); ++MODULE_DESCRIPTION("MediaTek MT6575 SD/MMC Card Driver"); ++MODULE_AUTHOR("Infinity Chen <infinity.chen@mediatek.com>"); ++ ++EXPORT_SYMBOL(msdc_6575_host); diff --git a/target/linux/ramips/patches-3.18/0054-DMA-ralink-add-rt2880-dma-engine.patch b/target/linux/ramips/patches-3.18/0054-DMA-ralink-add-rt2880-dma-engine.patch new file mode 100644 index 0000000000..fa0f42f108 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0054-DMA-ralink-add-rt2880-dma-engine.patch @@ -0,0 +1,627 @@ +From cf93418a4bd5e69f069a65da92537bd4d6191223 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:29:51 +0100 +Subject: [PATCH 54/57] DMA: ralink: add rt2880 dma engine + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/dma/Kconfig | 6 + + drivers/dma/Makefile | 1 + + drivers/dma/dmaengine.c | 26 ++ + drivers/dma/ralink-gdma.c | 577 +++++++++++++++++++++++++++++++++++++++++++++ + include/linux/dmaengine.h | 1 + + 5 files changed, 611 insertions(+) + create mode 100644 drivers/dma/ralink-gdma.c + +--- a/drivers/dma/Kconfig ++++ b/drivers/dma/Kconfig +@@ -409,6 +409,12 @@ config NBPFAXI_DMA + help + Support for "Type-AXI" NBPF DMA IPs from Renesas + ++config DMA_RALINK ++ tristate "RALINK DMA support" ++ depends on RALINK && SOC_MT7620 ++ select DMA_ENGINE ++ select DMA_VIRTUAL_CHANNELS ++ + config DMA_ENGINE + bool + +--- a/drivers/dma/Makefile ++++ b/drivers/dma/Makefile +@@ -49,3 +49,4 @@ obj-y += xilinx/ + obj-$(CONFIG_INTEL_MIC_X100_DMA) += mic_x100_dma.o + obj-$(CONFIG_NBPFAXI_DMA) += nbpfaxi.o + obj-$(CONFIG_DMA_SUN6I) += sun6i-dma.o ++obj-$(CONFIG_DMA_RALINK) += ralink-gdma.o +--- /dev/null ++++ b/drivers/dma/ralink-gdma.c +@@ -0,0 +1,577 @@ ++/* ++ * Copyright (C) 2013, Lars-Peter Clausen <lars@metafoo.de> ++ * GDMA4740 DMAC support ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 675 Mass Ave, Cambridge, MA 02139, USA. ++ * ++ */ ++ ++#include <linux/dmaengine.h> ++#include <linux/dma-mapping.h> ++#include <linux/err.h> ++#include <linux/init.h> ++#include <linux/list.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/slab.h> ++#include <linux/spinlock.h> ++#include <linux/irq.h> ++#include <linux/of_dma.h> ++ ++#include "virt-dma.h" ++ ++#define GDMA_NR_CHANS 16 ++ ++#define GDMA_REG_SRC_ADDR(x) (0x00 + (x) * 0x10) ++#define GDMA_REG_DST_ADDR(x) (0x04 + (x) * 0x10) ++ ++#define GDMA_REG_CTRL0(x) (0x08 + (x) * 0x10) ++#define GDMA_REG_CTRL0_TX_MASK 0xffff ++#define GDMA_REG_CTRL0_TX_SHIFT 16 ++#define GDMA_REG_CTRL0_CURR_MASK 0xff ++#define GDMA_REG_CTRL0_CURR_SHIFT 8 ++#define GDMA_REG_CTRL0_SRC_ADDR_FIXED BIT(7) ++#define GDMA_REG_CTRL0_DST_ADDR_FIXED BIT(6) ++#define GDMA_REG_CTRL0_BURST_MASK 0x7 ++#define GDMA_REG_CTRL0_BURST_SHIFT 3 ++#define GDMA_REG_CTRL0_DONE_INT BIT(2) ++#define GDMA_REG_CTRL0_ENABLE BIT(1) ++#define GDMA_REG_CTRL0_HW_MODE 0 ++ ++#define GDMA_REG_CTRL1(x) (0x0c + (x) * 0x10) ++#define GDMA_REG_CTRL1_SEG_MASK 0xf ++#define GDMA_REG_CTRL1_SEG_SHIFT 22 ++#define GDMA_REG_CTRL1_REQ_MASK 0x3f ++#define GDMA_REG_CTRL1_SRC_REQ_SHIFT 16 ++#define GDMA_REG_CTRL1_DST_REQ_SHIFT 8 ++#define GDMA_REG_CTRL1_CONTINOUS BIT(14) ++#define GDMA_REG_CTRL1_NEXT_MASK 0x1f ++#define GDMA_REG_CTRL1_NEXT_SHIFT 3 ++#define GDMA_REG_CTRL1_COHERENT BIT(2) ++#define GDMA_REG_CTRL1_FAIL BIT(1) ++#define GDMA_REG_CTRL1_MASK BIT(0) ++ ++#define GDMA_REG_UNMASK_INT 0x200 ++#define GDMA_REG_DONE_INT 0x204 ++ ++#define GDMA_REG_GCT 0x220 ++#define GDMA_REG_GCT_CHAN_MASK 0x3 ++#define GDMA_REG_GCT_CHAN_SHIFT 3 ++#define GDMA_REG_GCT_VER_MASK 0x3 ++#define GDMA_REG_GCT_VER_SHIFT 1 ++#define GDMA_REG_GCT_ARBIT_RR BIT(0) ++ ++enum gdma_dma_transfer_size { ++ GDMA_TRANSFER_SIZE_4BYTE = 0, ++ GDMA_TRANSFER_SIZE_8BYTE = 1, ++ GDMA_TRANSFER_SIZE_16BYTE = 2, ++ GDMA_TRANSFER_SIZE_32BYTE = 3, ++}; ++ ++struct gdma_dma_sg { ++ dma_addr_t addr; ++ unsigned int len; ++}; ++ ++struct gdma_dma_desc { ++ struct virt_dma_desc vdesc; ++ ++ enum dma_transfer_direction direction; ++ bool cyclic; ++ ++ unsigned int num_sgs; ++ struct gdma_dma_sg sg[]; ++}; ++ ++struct gdma_dmaengine_chan { ++ struct virt_dma_chan vchan; ++ unsigned int id; ++ ++ dma_addr_t fifo_addr; ++ unsigned int transfer_shift; ++ ++ struct gdma_dma_desc *desc; ++ unsigned int next_sg; ++}; ++ ++struct gdma_dma_dev { ++ struct dma_device ddev; ++ void __iomem *base; ++ struct clk *clk; ++ ++ struct gdma_dmaengine_chan chan[GDMA_NR_CHANS]; ++}; ++ ++static struct gdma_dma_dev *gdma_dma_chan_get_dev( ++ struct gdma_dmaengine_chan *chan) ++{ ++ return container_of(chan->vchan.chan.device, struct gdma_dma_dev, ++ ddev); ++} ++ ++static struct gdma_dmaengine_chan *to_gdma_dma_chan(struct dma_chan *c) ++{ ++ return container_of(c, struct gdma_dmaengine_chan, vchan.chan); ++} ++ ++static struct gdma_dma_desc *to_gdma_dma_desc(struct virt_dma_desc *vdesc) ++{ ++ return container_of(vdesc, struct gdma_dma_desc, vdesc); ++} ++ ++static inline uint32_t gdma_dma_read(struct gdma_dma_dev *dma_dev, ++ unsigned int reg) ++{ ++ return readl(dma_dev->base + reg); ++} ++ ++static inline void gdma_dma_write(struct gdma_dma_dev *dma_dev, ++ unsigned reg, uint32_t val) ++{ ++ //printk("gdma --> %p = 0x%08X\n", dma_dev->base + reg, val); ++ writel(val, dma_dev->base + reg); ++} ++ ++static inline void gdma_dma_write_mask(struct gdma_dma_dev *dma_dev, ++ unsigned int reg, uint32_t val, uint32_t mask) ++{ ++ uint32_t tmp; ++ ++ tmp = gdma_dma_read(dma_dev, reg); ++ tmp &= ~mask; ++ tmp |= val; ++ gdma_dma_write(dma_dev, reg, tmp); ++} ++ ++static struct gdma_dma_desc *gdma_dma_alloc_desc(unsigned int num_sgs) ++{ ++ return kzalloc(sizeof(struct gdma_dma_desc) + ++ sizeof(struct gdma_dma_sg) * num_sgs, GFP_ATOMIC); ++} ++ ++static enum gdma_dma_transfer_size gdma_dma_maxburst(u32 maxburst) ++{ ++ if (maxburst <= 7) ++ return GDMA_TRANSFER_SIZE_4BYTE; ++ else if (maxburst <= 15) ++ return GDMA_TRANSFER_SIZE_8BYTE; ++ else if (maxburst <= 31) ++ return GDMA_TRANSFER_SIZE_16BYTE; ++ ++ return GDMA_TRANSFER_SIZE_32BYTE; ++} ++ ++static int gdma_dma_slave_config(struct dma_chan *c, ++ const struct dma_slave_config *config) ++{ ++ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); ++ struct gdma_dma_dev *dma_dev = gdma_dma_chan_get_dev(chan); ++ enum gdma_dma_transfer_size transfer_size; ++ uint32_t flags; ++ uint32_t ctrl0, ctrl1; ++ ++ switch (config->direction) { ++ case DMA_MEM_TO_DEV: ++ ctrl1 = 32 << GDMA_REG_CTRL1_SRC_REQ_SHIFT; ++ ctrl1 |= config->slave_id << GDMA_REG_CTRL1_DST_REQ_SHIFT; ++ flags = GDMA_REG_CTRL0_DST_ADDR_FIXED; ++ transfer_size = gdma_dma_maxburst(config->dst_maxburst); ++ chan->fifo_addr = config->dst_addr; ++ break; ++ ++ case DMA_DEV_TO_MEM: ++ ctrl1 = config->slave_id << GDMA_REG_CTRL1_SRC_REQ_SHIFT; ++ ctrl1 |= 32 << GDMA_REG_CTRL1_DST_REQ_SHIFT; ++ flags = GDMA_REG_CTRL0_SRC_ADDR_FIXED; ++ transfer_size = gdma_dma_maxburst(config->src_maxburst); ++ chan->fifo_addr = config->src_addr; ++ break; ++ ++ default: ++ return -EINVAL; ++ } ++ ++ chan->transfer_shift = 1 + transfer_size; ++ ++ ctrl0 = flags | GDMA_REG_CTRL0_HW_MODE; ++ ctrl0 |= GDMA_REG_CTRL0_DONE_INT; ++ ++ ctrl1 &= ~(GDMA_REG_CTRL1_NEXT_MASK << GDMA_REG_CTRL1_NEXT_SHIFT); ++ ctrl1 |= chan->id << GDMA_REG_CTRL1_NEXT_SHIFT; ++ ctrl1 |= GDMA_REG_CTRL1_FAIL; ++ ctrl1 &= ~GDMA_REG_CTRL1_CONTINOUS; ++ gdma_dma_write(dma_dev, GDMA_REG_CTRL0(chan->id), ctrl0); ++ gdma_dma_write(dma_dev, GDMA_REG_CTRL1(chan->id), ctrl1); ++ ++ return 0; ++} ++ ++static int gdma_dma_terminate_all(struct dma_chan *c) ++{ ++ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); ++ struct gdma_dma_dev *dma_dev = gdma_dma_chan_get_dev(chan); ++ unsigned long flags; ++ LIST_HEAD(head); ++ ++ spin_lock_irqsave(&chan->vchan.lock, flags); ++ gdma_dma_write_mask(dma_dev, GDMA_REG_CTRL0(chan->id), 0, ++ GDMA_REG_CTRL0_ENABLE); ++ chan->desc = NULL; ++ vchan_get_all_descriptors(&chan->vchan, &head); ++ spin_unlock_irqrestore(&chan->vchan.lock, flags); ++ ++ vchan_dma_desc_free_list(&chan->vchan, &head); ++ ++ return 0; ++} ++ ++static int gdma_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, ++ unsigned long arg) ++{ ++ struct dma_slave_config *config = (struct dma_slave_config *)arg; ++ ++ switch (cmd) { ++ case DMA_SLAVE_CONFIG: ++ return gdma_dma_slave_config(chan, config); ++ case DMA_TERMINATE_ALL: ++ return gdma_dma_terminate_all(chan); ++ default: ++ return -ENOSYS; ++ } ++} ++ ++static int gdma_dma_start_transfer(struct gdma_dmaengine_chan *chan) ++{ ++ struct gdma_dma_dev *dma_dev = gdma_dma_chan_get_dev(chan); ++ dma_addr_t src_addr, dst_addr; ++ struct virt_dma_desc *vdesc; ++ struct gdma_dma_sg *sg; ++ ++ gdma_dma_write_mask(dma_dev, GDMA_REG_CTRL0(chan->id), 0, ++ GDMA_REG_CTRL0_ENABLE); ++ ++ if (!chan->desc) { ++ vdesc = vchan_next_desc(&chan->vchan); ++ if (!vdesc) ++ return 0; ++ chan->desc = to_gdma_dma_desc(vdesc); ++ chan->next_sg = 0; ++ } ++ ++ if (chan->next_sg == chan->desc->num_sgs) ++ chan->next_sg = 0; ++ ++ sg = &chan->desc->sg[chan->next_sg]; ++ ++ if (chan->desc->direction == DMA_MEM_TO_DEV) { ++ src_addr = sg->addr; ++ dst_addr = chan->fifo_addr; ++ } else { ++ src_addr = chan->fifo_addr; ++ dst_addr = sg->addr; ++ } ++ gdma_dma_write(dma_dev, GDMA_REG_SRC_ADDR(chan->id), src_addr); ++ gdma_dma_write(dma_dev, GDMA_REG_DST_ADDR(chan->id), dst_addr); ++ gdma_dma_write_mask(dma_dev, GDMA_REG_CTRL0(chan->id), ++ (sg->len << GDMA_REG_CTRL0_TX_SHIFT) | GDMA_REG_CTRL0_ENABLE, ++ GDMA_REG_CTRL0_TX_MASK << GDMA_REG_CTRL0_TX_SHIFT); ++ chan->next_sg++; ++ gdma_dma_write_mask(dma_dev, GDMA_REG_CTRL1(chan->id), 0, GDMA_REG_CTRL1_MASK); ++ ++ return 0; ++} ++ ++static void gdma_dma_chan_irq(struct gdma_dmaengine_chan *chan) ++{ ++ spin_lock(&chan->vchan.lock); ++ if (chan->desc) { ++ if (chan->desc && chan->desc->cyclic) { ++ vchan_cyclic_callback(&chan->desc->vdesc); ++ } else { ++ if (chan->next_sg == chan->desc->num_sgs) { ++ chan->desc = NULL; ++ vchan_cookie_complete(&chan->desc->vdesc); ++ } ++ } ++ } ++ gdma_dma_start_transfer(chan); ++ spin_unlock(&chan->vchan.lock); ++} ++ ++static irqreturn_t gdma_dma_irq(int irq, void *devid) ++{ ++ struct gdma_dma_dev *dma_dev = devid; ++ uint32_t unmask, done; ++ unsigned int i; ++ ++ unmask = gdma_dma_read(dma_dev, GDMA_REG_UNMASK_INT); ++ gdma_dma_write(dma_dev, GDMA_REG_UNMASK_INT, unmask); ++ done = gdma_dma_read(dma_dev, GDMA_REG_DONE_INT); ++ ++ for (i = 0; i < GDMA_NR_CHANS; ++i) ++ if (done & BIT(i)) ++ gdma_dma_chan_irq(&dma_dev->chan[i]); ++ gdma_dma_write(dma_dev, GDMA_REG_DONE_INT, done); ++ ++ return IRQ_HANDLED; ++} ++ ++static void gdma_dma_issue_pending(struct dma_chan *c) ++{ ++ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); ++ unsigned long flags; ++ ++ spin_lock_irqsave(&chan->vchan.lock, flags); ++ if (vchan_issue_pending(&chan->vchan) && !chan->desc) ++ gdma_dma_start_transfer(chan); ++ spin_unlock_irqrestore(&chan->vchan.lock, flags); ++} ++ ++static struct dma_async_tx_descriptor *gdma_dma_prep_slave_sg( ++ struct dma_chan *c, struct scatterlist *sgl, ++ unsigned int sg_len, enum dma_transfer_direction direction, ++ unsigned long flags, void *context) ++{ ++ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); ++ struct gdma_dma_desc *desc; ++ struct scatterlist *sg; ++ unsigned int i; ++ ++ desc = gdma_dma_alloc_desc(sg_len); ++ if (!desc) ++ return NULL; ++ ++ for_each_sg(sgl, sg, sg_len, i) { ++ desc->sg[i].addr = sg_dma_address(sg); ++ desc->sg[i].len = sg_dma_len(sg); ++ } ++ ++ desc->num_sgs = sg_len; ++ desc->direction = direction; ++ desc->cyclic = false; ++ ++ return vchan_tx_prep(&chan->vchan, &desc->vdesc, flags); ++} ++ ++static struct dma_async_tx_descriptor *gdma_dma_prep_dma_cyclic( ++ struct dma_chan *c, dma_addr_t buf_addr, size_t buf_len, ++ size_t period_len, enum dma_transfer_direction direction, ++ unsigned long flags, void *context) ++{ ++ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); ++ struct gdma_dma_desc *desc; ++ unsigned int num_periods, i; ++ ++ if (buf_len % period_len) ++ return NULL; ++ ++ num_periods = buf_len / period_len; ++ ++ desc = gdma_dma_alloc_desc(num_periods); ++ if (!desc) ++ return NULL; ++ ++ for (i = 0; i < num_periods; i++) { ++ desc->sg[i].addr = buf_addr; ++ desc->sg[i].len = period_len; ++ buf_addr += period_len; ++ } ++ ++ desc->num_sgs = num_periods; ++ desc->direction = direction; ++ desc->cyclic = true; ++ ++ return vchan_tx_prep(&chan->vchan, &desc->vdesc, flags); ++} ++ ++static size_t gdma_dma_desc_residue(struct gdma_dmaengine_chan *chan, ++ struct gdma_dma_desc *desc, unsigned int next_sg) ++{ ++ struct gdma_dma_dev *dma_dev = gdma_dma_chan_get_dev(chan); ++ unsigned int residue, count; ++ unsigned int i; ++ ++ residue = 0; ++ ++ for (i = next_sg; i < desc->num_sgs; i++) ++ residue += desc->sg[i].len; ++ ++ if (next_sg != 0) { ++ count = gdma_dma_read(dma_dev, GDMA_REG_CTRL0(chan->id)); ++ count >>= GDMA_REG_CTRL0_CURR_SHIFT; ++ count &= GDMA_REG_CTRL0_CURR_MASK; ++ residue += count << chan->transfer_shift; ++ } ++ ++ return residue; ++} ++ ++static enum dma_status gdma_dma_tx_status(struct dma_chan *c, ++ dma_cookie_t cookie, struct dma_tx_state *state) ++{ ++ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); ++ struct virt_dma_desc *vdesc; ++ enum dma_status status; ++ unsigned long flags; ++ ++ status = dma_cookie_status(c, cookie, state); ++ if (status == DMA_SUCCESS || !state) ++ return status; ++ ++ spin_lock_irqsave(&chan->vchan.lock, flags); ++ vdesc = vchan_find_desc(&chan->vchan, cookie); ++ if (cookie == chan->desc->vdesc.tx.cookie) { ++ state->residue = gdma_dma_desc_residue(chan, chan->desc, ++ chan->next_sg); ++ } else if (vdesc) { ++ state->residue = gdma_dma_desc_residue(chan, ++ to_gdma_dma_desc(vdesc), 0); ++ } else { ++ state->residue = 0; ++ } ++ spin_unlock_irqrestore(&chan->vchan.lock, flags); ++ ++ return status; ++} ++ ++static int gdma_dma_alloc_chan_resources(struct dma_chan *c) ++{ ++ return 0; ++} ++ ++static void gdma_dma_free_chan_resources(struct dma_chan *c) ++{ ++ vchan_free_chan_resources(to_virt_chan(c)); ++} ++ ++static void gdma_dma_desc_free(struct virt_dma_desc *vdesc) ++{ ++ kfree(container_of(vdesc, struct gdma_dma_desc, vdesc)); ++} ++ ++static struct dma_chan * ++of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec, ++ struct of_dma *ofdma) ++{ ++ struct gdma_dma_dev *dma_dev = ofdma->of_dma_data; ++ unsigned int request = dma_spec->args[0]; ++ ++ if (request >= GDMA_NR_CHANS) ++ return NULL; ++ ++ return dma_get_slave_channel(&(dma_dev->chan[request].vchan.chan)); ++} ++ ++static int gdma_dma_probe(struct platform_device *pdev) ++{ ++ struct gdma_dmaengine_chan *chan; ++ struct gdma_dma_dev *dma_dev; ++ struct dma_device *dd; ++ unsigned int i; ++ struct resource *res; ++ uint32_t gct; ++ int ret; ++ int irq; ++ ++ ++ dma_dev = devm_kzalloc(&pdev->dev, sizeof(*dma_dev), GFP_KERNEL); ++ if (!dma_dev) ++ return -EINVAL; ++ ++ dd = &dma_dev->ddev; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ dma_dev->base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(dma_dev->base)) ++ return PTR_ERR(dma_dev->base); ++ ++ dma_cap_set(DMA_SLAVE, dd->cap_mask); ++ dma_cap_set(DMA_CYCLIC, dd->cap_mask); ++ dd->device_alloc_chan_resources = gdma_dma_alloc_chan_resources; ++ dd->device_free_chan_resources = gdma_dma_free_chan_resources; ++ dd->device_tx_status = gdma_dma_tx_status; ++ dd->device_issue_pending = gdma_dma_issue_pending; ++ dd->device_prep_slave_sg = gdma_dma_prep_slave_sg; ++ dd->device_prep_dma_cyclic = gdma_dma_prep_dma_cyclic; ++ dd->device_control = gdma_dma_control; ++ dd->dev = &pdev->dev; ++ dd->chancnt = GDMA_NR_CHANS; ++ INIT_LIST_HEAD(&dd->channels); ++ ++ for (i = 0; i < dd->chancnt; i++) { ++ chan = &dma_dev->chan[i]; ++ chan->id = i; ++ chan->vchan.desc_free = gdma_dma_desc_free; ++ vchan_init(&chan->vchan, dd); ++ } ++ ++ ret = dma_async_device_register(dd); ++ if (ret) ++ return ret; ++ ++ ret = of_dma_controller_register(pdev->dev.of_node, ++ of_dma_xlate_by_chan_id, dma_dev); ++ if (ret) ++ goto err_unregister; ++ ++ irq = platform_get_irq(pdev, 0); ++ ret = request_irq(irq, gdma_dma_irq, 0, dev_name(&pdev->dev), dma_dev); ++ if (ret) ++ goto err_unregister; ++ ++ gdma_dma_write(dma_dev, GDMA_REG_UNMASK_INT, 0); ++ gdma_dma_write(dma_dev, GDMA_REG_DONE_INT, BIT(dd->chancnt) - 1); ++ ++ gct = gdma_dma_read(dma_dev, GDMA_REG_GCT); ++ dev_info(&pdev->dev, "revision: %d, channels: %d\n", ++ (gct >> GDMA_REG_GCT_VER_SHIFT) & GDMA_REG_GCT_VER_MASK, ++ 8 << ((gct >> GDMA_REG_GCT_CHAN_SHIFT) & GDMA_REG_GCT_CHAN_MASK)); ++ platform_set_drvdata(pdev, dma_dev); ++ ++ gdma_dma_write(dma_dev, GDMA_REG_GCT, GDMA_REG_GCT_ARBIT_RR); ++ ++ return 0; ++ ++err_unregister: ++ dma_async_device_unregister(dd); ++ return ret; ++} ++ ++static int gdma_dma_remove(struct platform_device *pdev) ++{ ++ struct gdma_dma_dev *dma_dev = platform_get_drvdata(pdev); ++ int irq = platform_get_irq(pdev, 0); ++ ++ free_irq(irq, dma_dev); ++ of_dma_controller_free(pdev->dev.of_node); ++ dma_async_device_unregister(&dma_dev->ddev); ++ ++ return 0; ++} ++ ++static const struct of_device_id gdma_of_match_table[] = { ++ { .compatible = "ralink,rt2880-gdma" }, ++ { }, ++}; ++ ++static struct platform_driver gdma_dma_driver = { ++ .probe = gdma_dma_probe, ++ .remove = gdma_dma_remove, ++ .driver = { ++ .name = "gdma-rt2880", ++ .owner = THIS_MODULE, ++ .of_match_table = gdma_of_match_table, ++ }, ++}; ++module_platform_driver(gdma_dma_driver); ++ ++MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); ++MODULE_DESCRIPTION("GDMA4740 DMA driver"); ++MODULE_LICENSE("GPLv2"); +--- a/include/linux/dmaengine.h ++++ b/include/linux/dmaengine.h +@@ -1058,6 +1058,7 @@ struct dma_chan *dma_request_slave_chann + const char *name); + struct dma_chan *dma_request_slave_channel(struct device *dev, const char *name); + void dma_release_channel(struct dma_chan *chan); ++struct dma_chan *dma_get_slave_channel(struct dma_chan *chan); + #else + static inline struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type) + { diff --git a/target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch b/target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch new file mode 100644 index 0000000000..b439b9d3b8 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch @@ -0,0 +1,766 @@ +From 241188942603dc73f62cf2553c53cae2235c9957 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 27 Jul 2014 09:31:47 +0100 +Subject: [PATCH 55/57] asoc: add mt7620 support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/ralink/of.c | 2 + + sound/soc/Kconfig | 1 + + sound/soc/Makefile | 1 + + sound/soc/ralink/Kconfig | 15 ++ + sound/soc/ralink/Makefile | 11 + + sound/soc/ralink/mt7620-i2s.c | 466 ++++++++++++++++++++++++++++++++++++++ + sound/soc/ralink/mt7620-wm8960.c | 125 ++++++++++ + sound/soc/soc-io.c | 10 - + 8 files changed, 621 insertions(+), 10 deletions(-) + create mode 100644 sound/soc/ralink/Kconfig + create mode 100644 sound/soc/ralink/Makefile + create mode 100644 sound/soc/ralink/mt7620-i2s.c + create mode 100644 sound/soc/ralink/mt7620-wm8960.c + +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -15,6 +15,7 @@ + #include <linux/of_fdt.h> + #include <linux/kernel.h> + #include <linux/bootmem.h> ++#include <linux/module.h> + #include <linux/of_platform.h> + #include <linux/of_address.h> + +@@ -26,6 +27,7 @@ + #include "common.h" + + __iomem void *rt_sysc_membase; ++EXPORT_SYMBOL(rt_sysc_membase); + __iomem void *rt_memc_membase; + + __iomem void *plat_of_remap_node(const char *node) +--- a/sound/soc/Kconfig ++++ b/sound/soc/Kconfig +@@ -48,6 +48,7 @@ source "sound/soc/intel/Kconfig" + source "sound/soc/mxs/Kconfig" + source "sound/soc/pxa/Kconfig" + source "sound/soc/rockchip/Kconfig" ++source "sound/soc/ralink/Kconfig" + source "sound/soc/samsung/Kconfig" + source "sound/soc/sh/Kconfig" + source "sound/soc/sirf/Kconfig" +--- a/sound/soc/Makefile ++++ b/sound/soc/Makefile +@@ -25,6 +25,7 @@ obj-$(CONFIG_SND_SOC) += omap/ + obj-$(CONFIG_SND_SOC) += kirkwood/ + obj-$(CONFIG_SND_SOC) += pxa/ + obj-$(CONFIG_SND_SOC) += rockchip/ ++obj-$(CONFIG_SND_SOC) += ralink/ + obj-$(CONFIG_SND_SOC) += samsung/ + obj-$(CONFIG_SND_SOC) += sh/ + obj-$(CONFIG_SND_SOC) += sirf/ +--- /dev/null ++++ b/sound/soc/ralink/Kconfig +@@ -0,0 +1,15 @@ ++config SND_MT7620_SOC_I2S ++ depends on SOC_MT7620 && SND_SOC ++ select SND_SOC_GENERIC_DMAENGINE_PCM ++ tristate "SoC Audio (I2S protocol) for Ralink MT7620 SoC" ++ help ++ Say Y if you want to use I2S protocol and I2S codec on Ingenic MT7620 ++ based boards. ++ ++config SND_MT7620_SOC_WM8960 ++ tristate "SoC Audio support for Ralink WM8960" ++ select SND_MT7620_SOC_I2S ++ select SND_SOC_WM8960 ++ help ++ Say Y if you want to add support for ASoC audio on the Qi LB60 board ++ a.k.a Qi Ben NanoNote. +--- /dev/null ++++ b/sound/soc/ralink/Makefile +@@ -0,0 +1,11 @@ ++# ++# Jz4740 Platform Support ++# ++snd-soc-mt7620-i2s-objs := mt7620-i2s.o ++ ++obj-$(CONFIG_SND_MT7620_SOC_I2S) += snd-soc-mt7620-i2s.o ++ ++# Jz4740 Machine Support ++snd-soc-mt7620-wm8960-objs := mt7620-wm8960.o ++ ++obj-$(CONFIG_SND_MT7620_SOC_WM8960) += snd-soc-mt7620-wm8960.o +--- /dev/null ++++ b/sound/soc/ralink/mt7620-i2s.c +@@ -0,0 +1,436 @@ ++/* ++ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 675 Mass Ave, Cambridge, MA 02139, USA. ++ * ++ */ ++ ++#include <linux/init.h> ++#include <linux/io.h> ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/slab.h> ++ ++#include <linux/delay.h> ++ ++#include <linux/dma-mapping.h> ++ ++#include <sound/core.h> ++#include <sound/pcm.h> ++#include <sound/pcm_params.h> ++#include <sound/soc.h> ++#include <sound/initval.h> ++#include <sound/dmaengine_pcm.h> ++ ++#include <ralink_regs.h> ++ ++#define I2S_REG_CFG0 0x00 ++#define I2S_REG_CFG0_EN BIT(31) ++#define I2S_REG_CFG0_DMA_EN BIT(30) ++#define I2S_REG_CFG0_BYTE_SWAP BIT(28) ++#define I2S_REG_CFG0_TX_EN BIT(24) ++#define I2S_REG_CFG0_RX_EN BIT(20) ++#define I2S_REG_CFG0_SLAVE BIT(16) ++#define I2S_REG_CFG0_RX_THRES 12 ++#define I2S_REG_CFG0_TX_THRES 4 ++#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \ ++ (4 << I2S_REG_CFG0_TX_THRES) ++ ++#define I2S_REG_INT_STATUS 0x04 ++#define I2S_REG_INT_EN 0x08 ++#define I2S_REG_FF_STATUS 0x0c ++#define I2S_REG_WREG 0x10 ++#define I2S_REG_RREG 0x14 ++#define I2S_REG_CFG1 0x18 ++ ++#define I2S_REG_DIVCMP 0x20 ++#define I2S_REG_DIVINT 0x24 ++#define I2S_REG_CLK_EN BIT(31) ++ ++struct mt7620_i2s { ++ struct resource *mem; ++ void __iomem *base; ++ dma_addr_t phys_base; ++ ++ struct snd_dmaengine_dai_dma_data playback_dma_data; ++ struct snd_dmaengine_dai_dma_data capture_dma_data; ++}; ++ ++static inline uint32_t mt7620_i2s_read(const struct mt7620_i2s *i2s, ++ unsigned int reg) ++{ ++ return readl(i2s->base + reg); ++} ++ ++static inline void mt7620_i2s_write(const struct mt7620_i2s *i2s, ++ unsigned int reg, uint32_t value) ++{ ++ //printk("i2s --> %p = 0x%08X\n", i2s->base + reg, value); ++ writel(value, i2s->base + reg); ++} ++ ++static int mt7620_i2s_startup(struct snd_pcm_substream *substream, ++ struct snd_soc_dai *dai) ++{ ++ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ uint32_t cfg; ++ ++ if (dai->active) ++ return 0; ++ ++ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0); ++ cfg |= I2S_REG_CFG0_EN; ++ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg); ++ ++ return 0; ++} ++ ++static void mt7620_i2s_shutdown(struct snd_pcm_substream *substream, ++ struct snd_soc_dai *dai) ++{ ++ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ uint32_t cfg; ++ ++ if (dai->active) ++ return; ++ ++ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0); ++ cfg &= ~I2S_REG_CFG0_EN; ++ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg); ++} ++ ++static int mt7620_i2s_trigger(struct snd_pcm_substream *substream, int cmd, ++ struct snd_soc_dai *dai) ++{ ++ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ ++ uint32_t cfg; ++ uint32_t mask; ++ ++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ++ mask = I2S_REG_CFG0_TX_EN; ++ else ++ mask = I2S_REG_CFG0_RX_EN; ++ ++ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0); ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_START: ++ case SNDRV_PCM_TRIGGER_RESUME: ++ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ++ cfg |= mask; ++ break; ++ case SNDRV_PCM_TRIGGER_STOP: ++ case SNDRV_PCM_TRIGGER_SUSPEND: ++ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: ++ cfg &= ~mask; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ if (cfg & (I2S_REG_CFG0_TX_EN | I2S_REG_CFG0_RX_EN)) ++ cfg |= I2S_REG_CFG0_DMA_EN; ++ else ++ cfg &= ~I2S_REG_CFG0_DMA_EN; ++ ++ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg); ++ ++ return 0; ++} ++ ++static int mt7620_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) ++{ ++ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ uint32_t cfg; ++ ++ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0); ++ ++ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { ++ case SND_SOC_DAIFMT_CBS_CFS: ++ cfg |= I2S_REG_CFG0_SLAVE; ++ break; ++ case SND_SOC_DAIFMT_CBM_CFM: ++ cfg &= ~I2S_REG_CFG0_SLAVE; ++ break; ++ case SND_SOC_DAIFMT_CBM_CFS: ++ default: ++ return -EINVAL; ++ } ++ ++ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { ++ case SND_SOC_DAIFMT_I2S: ++ case SND_SOC_DAIFMT_MSB: ++ cfg &= ~I2S_REG_CFG0_BYTE_SWAP; ++ break; ++ case SND_SOC_DAIFMT_LSB: ++ cfg |= I2S_REG_CFG0_BYTE_SWAP; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { ++ case SND_SOC_DAIFMT_NB_NF: ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg); ++ ++ return 0; ++} ++ ++static int mt7620_i2s_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) ++{ ++ ++ return 0; ++} ++ ++unsigned long i2sMaster_inclk_int[11] = { ++ 78, 56, 52, 39, 28, 26, 19, 14, 13, 9, 6}; ++unsigned long i2sMaster_inclk_comp[11] = { ++ 64, 352, 42, 32, 176, 21, 272, 88, 10, 455, 261}; ++ ++ ++static int mt7620_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, ++ unsigned int freq, int dir) ++{ ++ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ ++ printk("Internal REFCLK with fractional division\n"); ++ ++ mt7620_i2s_write(i2s, I2S_REG_DIVINT, i2sMaster_inclk_int[7]); ++ mt7620_i2s_write(i2s, I2S_REG_DIVCMP, ++ i2sMaster_inclk_comp[7] | I2S_REG_CLK_EN); ++ ++/* struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ struct clk *parent; ++ int ret = 0; ++ ++ switch (clk_id) { ++ case JZ4740_I2S_CLKSRC_EXT: ++ parent = clk_get(NULL, "ext"); ++ clk_set_parent(i2s->clk_i2s, parent); ++ break; ++ case JZ4740_I2S_CLKSRC_PLL: ++ parent = clk_get(NULL, "pll half"); ++ clk_set_parent(i2s->clk_i2s, parent); ++ ret = clk_set_rate(i2s->clk_i2s, freq); ++ break; ++ default: ++ return -EINVAL; ++ } ++ clk_put(parent); ++ ++ return ret;*/ ++ return 0; ++} ++ ++static void mt7620_i2c_init_pcm_config(struct mt7620_i2s *i2s) ++{ ++ struct snd_dmaengine_dai_dma_data *dma_data; ++ ++ /* Playback */ ++ dma_data = &i2s->playback_dma_data; ++ dma_data->maxburst = 16; ++ dma_data->slave_id = 2; //JZ4740_DMA_TYPE_AIC_TRANSMIT; ++ dma_data->addr = i2s->phys_base + I2S_REG_WREG; ++ ++ /* Capture */ ++ dma_data = &i2s->capture_dma_data; ++ dma_data->maxburst = 16; ++ dma_data->slave_id = 3; //JZ4740_DMA_TYPE_AIC_RECEIVE; ++ dma_data->addr = i2s->phys_base + I2S_REG_RREG; ++} ++ ++static int mt7620_i2s_dai_probe(struct snd_soc_dai *dai) ++{ ++ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ uint32_t data; ++ ++ mt7620_i2c_init_pcm_config(i2s); ++ dai->playback_dma_data = &i2s->playback_dma_data; ++ dai->capture_dma_data = &i2s->capture_dma_data; ++ ++ /* set share pins to i2s/gpio mode and i2c mode */ ++ data = rt_sysc_r32(0x60); ++ data &= 0xFFFFFFE2; ++ data |= 0x00000018; ++ rt_sysc_w32(data, 0x60); ++ ++ printk("Internal REFCLK with fractional division\n"); ++ ++ mt7620_i2s_write(i2s, I2S_REG_CFG0, I2S_REG_CFG0_DFT_THRES); ++ mt7620_i2s_write(i2s, I2S_REG_CFG1, 0); ++ mt7620_i2s_write(i2s, I2S_REG_INT_EN, 0); ++ ++ mt7620_i2s_write(i2s, I2S_REG_DIVINT, i2sMaster_inclk_int[7]); ++ mt7620_i2s_write(i2s, I2S_REG_DIVCMP, ++ i2sMaster_inclk_comp[7] | I2S_REG_CLK_EN); ++ ++ return 0; ++} ++ ++static int mt7620_i2s_dai_remove(struct snd_soc_dai *dai) ++{ ++ return 0; ++} ++ ++static const struct snd_soc_dai_ops mt7620_i2s_dai_ops = { ++ .startup = mt7620_i2s_startup, ++ .shutdown = mt7620_i2s_shutdown, ++ .trigger = mt7620_i2s_trigger, ++ .hw_params = mt7620_i2s_hw_params, ++ .set_fmt = mt7620_i2s_set_fmt, ++ .set_sysclk = mt7620_i2s_set_sysclk, ++}; ++ ++#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ ++ SNDRV_PCM_FMTBIT_S24_LE) ++ ++static struct snd_soc_dai_driver mt7620_i2s_dai = { ++ .probe = mt7620_i2s_dai_probe, ++ .remove = mt7620_i2s_dai_remove, ++ .playback = { ++ .channels_min = 1, ++ .channels_max = 2, ++ .rates = SNDRV_PCM_RATE_8000_48000, ++ .formats = JZ4740_I2S_FMTS, ++ }, ++ .capture = { ++ .channels_min = 2, ++ .channels_max = 2, ++ .rates = SNDRV_PCM_RATE_8000_48000, ++ .formats = JZ4740_I2S_FMTS, ++ }, ++ .symmetric_rates = 1, ++ .ops = &mt7620_i2s_dai_ops, ++}; ++ ++static const struct snd_pcm_hardware mt7620_pcm_hardware = { ++ .info = SNDRV_PCM_INFO_MMAP | ++ SNDRV_PCM_INFO_MMAP_VALID | ++ SNDRV_PCM_INFO_INTERLEAVED | ++ SNDRV_PCM_INFO_BLOCK_TRANSFER, ++ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8, ++ .period_bytes_min = PAGE_SIZE, ++ .period_bytes_max = 64 * 1024, ++ .periods_min = 2, ++ .periods_max = 128, ++ .buffer_bytes_max = 128 * 1024, ++ .fifo_size = 32, ++}; ++ ++static const struct snd_dmaengine_pcm_config mt7620_dmaengine_pcm_config = { ++ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, ++ .pcm_hardware = &mt7620_pcm_hardware, ++ .prealloc_buffer_size = 256 * PAGE_SIZE, ++}; ++ ++static const struct snd_soc_component_driver mt7620_i2s_component = { ++ .name = "mt7620-i2s", ++}; ++ ++static int mt7620_i2s_dev_probe(struct platform_device *pdev) ++{ ++ struct mt7620_i2s *i2s; ++ int ret; ++ ++ snd_dmaengine_pcm_register(&pdev->dev, ++ &mt7620_dmaengine_pcm_config, ++ SND_DMAENGINE_PCM_FLAG_COMPAT); ++ ++ i2s = kzalloc(sizeof(*i2s), GFP_KERNEL); ++ if (!i2s) ++ return -ENOMEM; ++ ++ i2s->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!i2s->mem) { ++ ret = -ENOENT; ++ goto err_free; ++ } ++ ++ i2s->mem = request_mem_region(i2s->mem->start, resource_size(i2s->mem), ++ pdev->name); ++ if (!i2s->mem) { ++ ret = -EBUSY; ++ goto err_free; ++ } ++ ++ i2s->base = ioremap_nocache(i2s->mem->start, resource_size(i2s->mem)); ++ if (!i2s->base) { ++ ret = -EBUSY; ++ goto err_release_mem_region; ++ } ++ ++ i2s->phys_base = i2s->mem->start; ++ ++ platform_set_drvdata(pdev, i2s); ++ ret = snd_soc_register_component(&pdev->dev, &mt7620_i2s_component, ++ &mt7620_i2s_dai, 1); ++ ++ if (!ret) { ++ dev_err(&pdev->dev, "loaded\n"); ++ return ret; ++ } ++ ++ dev_err(&pdev->dev, "Failed to register DAI\n"); ++ iounmap(i2s->base); ++ ++err_release_mem_region: ++ release_mem_region(i2s->mem->start, resource_size(i2s->mem)); ++err_free: ++ kfree(i2s); ++ ++ return ret; ++} ++ ++static int mt7620_i2s_dev_remove(struct platform_device *pdev) ++{ ++ struct mt7620_i2s *i2s = platform_get_drvdata(pdev); ++ ++ snd_soc_unregister_component(&pdev->dev); ++ ++ iounmap(i2s->base); ++ release_mem_region(i2s->mem->start, resource_size(i2s->mem)); ++ ++ kfree(i2s); ++ ++ snd_dmaengine_pcm_unregister(&pdev->dev); ++ ++ return 0; ++} ++ ++static const struct of_device_id mt7620_i2s_match[] = { ++ { .compatible = "ralink,mt7620a-i2s" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mt7620_i2s_match); ++ ++static struct platform_driver mt7620_i2s_driver = { ++ .probe = mt7620_i2s_dev_probe, ++ .remove = mt7620_i2s_dev_remove, ++ .driver = { ++ .name = "mt7620-i2s", ++ .owner = THIS_MODULE, ++ .of_match_table = mt7620_i2s_match, ++ }, ++}; ++ ++module_platform_driver(mt7620_i2s_driver); ++ ++MODULE_AUTHOR("Lars-Peter Clausen, <lars@metafoo.de>"); ++MODULE_DESCRIPTION("Ingenic JZ4740 SoC I2S driver"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:mt7620-i2s"); +--- /dev/null ++++ b/sound/soc/ralink/mt7620-wm8960.c +@@ -0,0 +1,233 @@ ++/* ++ * Copyright 2013 Freescale Semiconductor, Inc. ++ * ++ * Based on mt7620-sgtl5000.c ++ * Copyright 2012 Freescale Semiconductor, Inc. ++ * Copyright 2012 Linaro Ltd. ++ * ++ * The code contained herein is licensed under the GNU General Public ++ * License. You may obtain a copy of the GNU General Public License ++ * Version 2 or later at the following locations: ++ * ++ * http://www.opensource.org/licenses/gpl-license.html ++ * http://www.gnu.org/copyleft/gpl.html ++ */ ++ ++#include <linux/module.h> ++#include <linux/of_platform.h> ++#include <linux/i2c.h> ++#include <linux/slab.h> ++#include <sound/soc.h> ++#include <sound/pcm_params.h> ++#include <sound/soc-dapm.h> ++#include <linux/pinctrl/consumer.h> ++ ++#include "../codecs/wm8960.h" ++ ++#define DAI_NAME_SIZE 32 ++ ++struct mt7620_wm8960_data { ++ struct snd_soc_dai_link dai; ++ struct snd_soc_card card; ++ char codec_dai_name[DAI_NAME_SIZE]; ++ char platform_name[DAI_NAME_SIZE]; ++ unsigned int clk_frequency; ++}; ++ ++struct mt7620_priv { ++ struct platform_device *pdev; ++}; ++static struct mt7620_priv card_priv; ++ ++static const struct snd_soc_dapm_widget mt7620_wm8960_dapm_widgets[] = { ++ SND_SOC_DAPM_HP("Headphone Jack", NULL), ++ SND_SOC_DAPM_SPK("Ext Spk", NULL), ++ SND_SOC_DAPM_MIC("AMIC", NULL), ++ SND_SOC_DAPM_MIC("DMIC", NULL), ++}; ++ ++static int sample_rate = 44100; ++static snd_pcm_format_t sample_format = SNDRV_PCM_FORMAT_S16_LE; ++ ++static int mt7620_hifi_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params) ++{ ++ sample_rate = params_rate(params); ++ sample_format = params_format(params); ++ ++ return 0; ++} ++ ++static struct snd_soc_ops mt7620_hifi_ops = { ++ .hw_params = mt7620_hifi_hw_params, ++}; ++ ++static int mt7620_wm8960_set_bias_level(struct snd_soc_card *card, ++ struct snd_soc_dapm_context *dapm, ++ enum snd_soc_bias_level level) ++{ ++ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; ++ struct mt7620_priv *priv = &card_priv; ++ struct mt7620_wm8960_data *data = snd_soc_card_get_drvdata(card); ++ struct device *dev = &priv->pdev->dev; ++ int ret; ++ ++ if (dapm->dev != codec_dai->dev) ++ return 0; ++ ++ switch (level) { ++ case SND_SOC_BIAS_PREPARE: ++ if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { ++ } ++ break; ++ ++ case SND_SOC_BIAS_STANDBY: ++ if (dapm->bias_level == SND_SOC_BIAS_PREPARE) { ++ ret = snd_soc_dai_set_sysclk(codec_dai, ++ WM8960_SYSCLK_MCLK, data->clk_frequency, ++ SND_SOC_CLOCK_IN); ++ if (ret < 0) { ++ dev_err(dev, ++ "failed to switch away from FLL: %d\n", ++ ret); ++ return ret; ++ } ++ } ++ break; ++ ++ default: ++ break; ++ } ++ ++ return 0; ++} ++ ++static int mt7620_wm8960_late_probe(struct snd_soc_card *card) ++{ ++ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai; ++ struct mt7620_priv *priv = &card_priv; ++ struct mt7620_wm8960_data *data = snd_soc_card_get_drvdata(card); ++ struct device *dev = &priv->pdev->dev; ++ int ret; ++ ++ ret = snd_soc_dai_set_sysclk(codec_dai, WM8960_SYSCLK_MCLK, ++ data->clk_frequency, SND_SOC_CLOCK_IN); ++ if (ret < 0) ++ dev_err(dev, "failed to set sysclk in %s\n", __func__); ++ ++ return ret; ++} ++ ++static int mt7620_wm8960_probe(struct platform_device *pdev) ++{ ++ struct device_node *i2s_np, *codec_np; ++ struct platform_device *i2s_pdev; ++ struct mt7620_priv *priv = &card_priv; ++ struct i2c_client *codec_dev; ++ struct mt7620_wm8960_data *data; ++ int ret; ++ ++ priv->pdev = pdev; ++ ++ i2s_np = of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0); ++ codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0); ++ if (!i2s_np || !codec_np) { ++ dev_err(&pdev->dev, "phandle missing or invalid\n"); ++ ret = -EINVAL; ++ goto fail; ++ } ++ ++ i2s_pdev = of_find_device_by_node(i2s_np); ++ if (!i2s_pdev) { ++ dev_err(&pdev->dev, "failed to find SSI platform device\n"); ++ ret = -EINVAL; ++ goto fail; ++ } ++ codec_dev = of_find_i2c_device_by_node(codec_np); ++ if (!codec_dev || !codec_dev->dev.driver) { ++ dev_err(&pdev->dev, "failed to find codec platform device\n"); ++ ret = -EINVAL; ++ goto fail; ++ } ++ ++ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); ++ if (!data) { ++ ret = -ENOMEM; ++ goto fail; ++ } ++ ++ data->clk_frequency = 12000000; ++ data->dai.name = "HiFi"; ++ data->dai.stream_name = "HiFi"; ++ data->dai.codec_dai_name = "wm8960-hifi"; ++ data->dai.codec_of_node = codec_np; ++ data->dai.cpu_dai_name = dev_name(&i2s_pdev->dev); ++ data->dai.platform_of_node = i2s_np; ++ data->dai.ops = &mt7620_hifi_ops; ++ data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | ++ SND_SOC_DAIFMT_CBM_CFM; ++ ++ data->card.dev = &pdev->dev; ++ ret = snd_soc_of_parse_card_name(&data->card, "model"); ++ if (ret) ++ goto fail; ++ ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing"); ++ if (ret) ++ goto fail; ++ data->card.num_links = 1; ++ data->card.dai_link = &data->dai; ++ data->card.dapm_widgets = mt7620_wm8960_dapm_widgets; ++ data->card.num_dapm_widgets = ARRAY_SIZE(mt7620_wm8960_dapm_widgets); ++ ++ data->card.late_probe = mt7620_wm8960_late_probe; ++ data->card.set_bias_level = mt7620_wm8960_set_bias_level; ++ ++ platform_set_drvdata(pdev, &data->card); ++ snd_soc_card_set_drvdata(&data->card, data); ++ ++ ret = devm_snd_soc_register_card(&pdev->dev, &data->card); ++ if (ret) { ++ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); ++ goto fail; ++ } ++ ++ of_node_put(i2s_np); ++ of_node_put(codec_np); ++ ++ return 0; ++fail: ++ if (i2s_np) ++ of_node_put(i2s_np); ++ if (codec_np) ++ of_node_put(codec_np); ++ ++ return ret; ++} ++ ++static int mt7620_wm8960_remove(struct platform_device *pdev) ++{ ++ return 0; ++} ++ ++static const struct of_device_id mt7620_wm8960_dt_ids[] = { ++ { .compatible = "mediatek,mt7620-audio-wm8960", }, ++ { /* sentinel */ } ++}; ++MODULE_DEVICE_TABLE(of, mt7620_wm8960_dt_ids); ++ ++static struct platform_driver mt7620_wm8960_driver = { ++ .driver = { ++ .name = "mt7620-wm8960", ++ .owner = THIS_MODULE, ++ .pm = &snd_soc_pm_ops, ++ .of_match_table = mt7620_wm8960_dt_ids, ++ }, ++ .probe = mt7620_wm8960_probe, ++ .remove = mt7620_wm8960_remove, ++}; ++module_platform_driver(mt7620_wm8960_driver); ++ ++MODULE_AUTHOR("Freescale Semiconductor, Inc."); ++MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver"); ++MODULE_LICENSE("GPL v2"); ++MODULE_ALIAS("platform:mt7620-wm8962"); diff --git a/target/linux/ramips/patches-3.18/0056-watchdog-add-MT7621-support.patch b/target/linux/ramips/patches-3.18/0056-watchdog-add-MT7621-support.patch new file mode 100644 index 0000000000..9a079d8e38 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0056-watchdog-add-MT7621-support.patch @@ -0,0 +1,227 @@ +From 6a42dd698ddf91b6e9902b17e21dc13c6ae412ff Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Sun, 16 Mar 2014 05:24:42 +0000 +Subject: [PATCH 56/57] watchdog: add MT7621 support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/watchdog/Kconfig | 7 ++ + drivers/watchdog/Makefile | 1 + + drivers/watchdog/mt7621_wdt.c | 185 +++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 193 insertions(+) + create mode 100644 drivers/watchdog/mt7621_wdt.c + +--- a/drivers/watchdog/Kconfig ++++ b/drivers/watchdog/Kconfig +@@ -1257,6 +1257,13 @@ config RALINK_WDT + help + Hardware driver for the Ralink SoC Watchdog Timer. + ++config MT7621_WDT ++ tristate "Mediatek SoC watchdog" ++ select WATCHDOG_CORE ++ depends on SOC_MT7620 || SOC_MT7621 ++ help ++ Hardware driver for the Ralink SoC Watchdog Timer. ++ + # PARISC Architecture + + # POWERPC Architecture +--- a/drivers/watchdog/Makefile ++++ b/drivers/watchdog/Makefile +@@ -143,6 +143,7 @@ obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o + octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o + obj-$(CONFIG_LANTIQ_WDT) += lantiq_wdt.o + obj-$(CONFIG_RALINK_WDT) += rt2880_wdt.o ++obj-$(CONFIG_MT7621_WDT) += mt7621_wdt.o + + # PARISC Architecture + +--- /dev/null ++++ b/drivers/watchdog/mt7621_wdt.c +@@ -0,0 +1,185 @@ ++/* ++ * Ralink RT288x/RT3xxx/MT76xx built-in hardware watchdog timer ++ * ++ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ * ++ * This driver was based on: drivers/watchdog/softdog.c ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ */ ++ ++#include <linux/clk.h> ++#include <linux/reset.h> ++#include <linux/module.h> ++#include <linux/kernel.h> ++#include <linux/watchdog.h> ++#include <linux/miscdevice.h> ++#include <linux/moduleparam.h> ++#include <linux/platform_device.h> ++ ++#include <asm/mach-ralink/ralink_regs.h> ++ ++#define SYSC_RSTSTAT 0x38 ++#define WDT_RST_CAUSE BIT(1) ++ ++#define RALINK_WDT_TIMEOUT 30 ++ ++#define TIMER_REG_TMRSTAT 0x00 ++#define TIMER_REG_TMR1LOAD 0x24 ++#define TIMER_REG_TMR1CTL 0x20 ++ ++#define TMR1CTL_ENABLE BIT(7) ++#define TMR1CTL_RESTART BIT(9) ++ ++static void __iomem *mt762x_wdt_base; ++ ++static bool nowayout = WATCHDOG_NOWAYOUT; ++module_param(nowayout, bool, 0); ++MODULE_PARM_DESC(nowayout, ++ "Watchdog cannot be stopped once started (default=" ++ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); ++ ++static inline void rt_wdt_w32(unsigned reg, u32 val) ++{ ++ iowrite32(val, mt762x_wdt_base + reg); ++} ++ ++static inline u32 rt_wdt_r32(unsigned reg) ++{ ++ return ioread32(mt762x_wdt_base + reg); ++} ++ ++static int mt762x_wdt_ping(struct watchdog_device *w) ++{ ++ rt_wdt_w32(TIMER_REG_TMRSTAT, TMR1CTL_RESTART); ++ ++ return 0; ++} ++ ++static int mt762x_wdt_set_timeout(struct watchdog_device *w, unsigned int t) ++{ ++ w->timeout = t; ++ rt_wdt_w32(TIMER_REG_TMR1LOAD, t * 1000); ++ mt762x_wdt_ping(w); ++ ++ return 0; ++} ++ ++static int mt762x_wdt_start(struct watchdog_device *w) ++{ ++ u32 t; ++ ++ rt_wdt_w32(TIMER_REG_TMR1CTL, 1000 << 16); ++ mt762x_wdt_set_timeout(w, w->timeout); ++ ++ t = rt_wdt_r32(TIMER_REG_TMR1CTL); ++ t |= TMR1CTL_ENABLE; ++ rt_wdt_w32(TIMER_REG_TMR1CTL, t); ++ ++ return 0; ++} ++ ++static int mt762x_wdt_stop(struct watchdog_device *w) ++{ ++ u32 t; ++ ++ mt762x_wdt_ping(w); ++ ++ t = rt_wdt_r32(TIMER_REG_TMR1CTL); ++ t &= ~TMR1CTL_ENABLE; ++ rt_wdt_w32(TIMER_REG_TMR1CTL, t); ++ ++ return 0; ++} ++ ++static int mt762x_wdt_bootcause(void) ++{ ++ if (rt_sysc_r32(SYSC_RSTSTAT) & WDT_RST_CAUSE) ++ return WDIOF_CARDRESET; ++ ++ return 0; ++} ++ ++static struct watchdog_info mt762x_wdt_info = { ++ .identity = "Mediatek Watchdog", ++ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE, ++}; ++ ++static struct watchdog_ops mt762x_wdt_ops = { ++ .owner = THIS_MODULE, ++ .start = mt762x_wdt_start, ++ .stop = mt762x_wdt_stop, ++ .ping = mt762x_wdt_ping, ++ .set_timeout = mt762x_wdt_set_timeout, ++}; ++ ++static struct watchdog_device mt762x_wdt_dev = { ++ .info = &mt762x_wdt_info, ++ .ops = &mt762x_wdt_ops, ++ .min_timeout = 1, ++}; ++ ++static int mt762x_wdt_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ int ret; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ mt762x_wdt_base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(mt762x_wdt_base)) ++ return PTR_ERR(mt762x_wdt_base); ++ ++ device_reset(&pdev->dev); ++ ++ mt762x_wdt_dev.dev = &pdev->dev; ++ mt762x_wdt_dev.bootstatus = mt762x_wdt_bootcause(); ++ mt762x_wdt_dev.max_timeout = (0xfffful / 1000); ++ mt762x_wdt_dev.timeout = mt762x_wdt_dev.max_timeout; ++ ++ watchdog_set_nowayout(&mt762x_wdt_dev, nowayout); ++ ++ ret = watchdog_register_device(&mt762x_wdt_dev); ++ if (!ret) ++ dev_info(&pdev->dev, "Initialized\n"); ++ ++ return 0; ++} ++ ++static int mt762x_wdt_remove(struct platform_device *pdev) ++{ ++ watchdog_unregister_device(&mt762x_wdt_dev); ++ ++ return 0; ++} ++ ++static void mt762x_wdt_shutdown(struct platform_device *pdev) ++{ ++ mt762x_wdt_stop(&mt762x_wdt_dev); ++} ++ ++static const struct of_device_id mt762x_wdt_match[] = { ++ { .compatible = "mtk,mt7621-wdt" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mt762x_wdt_match); ++ ++static struct platform_driver mt762x_wdt_driver = { ++ .probe = mt762x_wdt_probe, ++ .remove = mt762x_wdt_remove, ++ .shutdown = mt762x_wdt_shutdown, ++ .driver = { ++ .name = KBUILD_MODNAME, ++ .owner = THIS_MODULE, ++ .of_match_table = mt762x_wdt_match, ++ }, ++}; ++ ++module_platform_driver(mt762x_wdt_driver); ++ ++MODULE_DESCRIPTION("MediaTek MT762x hardware watchdog driver"); ++MODULE_AUTHOR("John Crispin <blogic@openwrt.org"); ++MODULE_LICENSE("GPL v2"); ++MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/target/linux/ramips/patches-3.18/0057-uvc-add-iPassion-iP2970-support.patch b/target/linux/ramips/patches-3.18/0057-uvc-add-iPassion-iP2970-support.patch new file mode 100644 index 0000000000..0828cc51b1 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0057-uvc-add-iPassion-iP2970-support.patch @@ -0,0 +1,246 @@ +From 0d3e92b4d3e2160873b610aabd46bbc4853ff82e Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 19 Sep 2013 01:50:59 +0200 +Subject: [PATCH 57/57] uvc: add iPassion iP2970 support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/media/usb/uvc/uvc_driver.c | 14 ++++ + drivers/media/usb/uvc/uvc_status.c | 2 + + drivers/media/usb/uvc/uvc_video.c | 147 ++++++++++++++++++++++++++++++++++++ + drivers/media/usb/uvc/uvcvideo.h | 3 + + 4 files changed, 166 insertions(+) + +--- a/drivers/media/usb/uvc/uvc_driver.c ++++ b/drivers/media/usb/uvc/uvc_driver.c +@@ -2504,6 +2504,20 @@ static struct usb_device_id uvc_ids[] = + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_PROBE_MINMAX + | UVC_QUIRK_IGNORE_SELECTOR_UNIT }, ++ ++/* iPassion iP2970 */ ++ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE ++ | USB_DEVICE_ID_MATCH_INT_INFO, ++ .idVendor = 0x1B3B, ++ .idProduct = 0x2970, ++ .bInterfaceClass = USB_CLASS_VIDEO, ++ .bInterfaceSubClass = 1, ++ .bInterfaceProtocol = 0, ++ .driver_info = UVC_QUIRK_PROBE_MINMAX ++ | UVC_QUIRK_STREAM_NO_FID ++ | UVC_QUIRK_MOTION ++ | UVC_QUIRK_SINGLE_ISO }, ++ + /* Generic USB Video Class */ + { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, 0) }, + {} +--- a/drivers/media/usb/uvc/uvc_status.c ++++ b/drivers/media/usb/uvc/uvc_status.c +@@ -139,6 +139,7 @@ static void uvc_status_complete(struct u + switch (dev->status[0] & 0x0f) { + case UVC_STATUS_TYPE_CONTROL: + uvc_event_control(dev, dev->status, len); ++ dev->motion = 1; + break; + + case UVC_STATUS_TYPE_STREAMING: +@@ -182,6 +183,7 @@ int uvc_status_init(struct uvc_device *d + } + + pipe = usb_rcvintpipe(dev->udev, ep->desc.bEndpointAddress); ++ dev->motion = 0; + + /* For high-speed interrupt endpoints, the bInterval value is used as + * an exponent of two. Some developers forgot about it. +--- a/drivers/media/usb/uvc/uvc_video.c ++++ b/drivers/media/usb/uvc/uvc_video.c +@@ -21,6 +21,11 @@ + #include <linux/wait.h> + #include <linux/atomic.h> + #include <asm/unaligned.h> ++#include <linux/skbuff.h> ++#include <linux/kobject.h> ++#include <linux/netlink.h> ++#include <linux/kobject.h> ++#include <linux/workqueue.h> + + #include <media/v4l2-common.h> + +@@ -1080,9 +1085,149 @@ static void uvc_video_decode_data(struct + } + } + ++struct bh_priv { ++ unsigned long seen; ++}; ++ ++struct bh_event { ++ const char *name; ++ struct sk_buff *skb; ++ struct work_struct work; ++}; ++ ++#define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, "webcam", ##args ) ++#define BH_DBG(fmt, args...) do {} while (0) ++#define BH_SKB_SIZE 2048 ++ ++extern u64 uevent_next_seqnum(void); ++static int seen = 0; ++ ++static int bh_event_add_var(struct bh_event *event, int argv, ++ const char *format, ...) ++{ ++ static char buf[128]; ++ char *s; ++ va_list args; ++ int len; ++ ++ if (argv) ++ return 0; ++ ++ va_start(args, format); ++ len = vsnprintf(buf, sizeof(buf), format, args); ++ va_end(args); ++ ++ if (len >= sizeof(buf)) { ++ BH_ERR("buffer size too small\n"); ++ WARN_ON(1); ++ return -ENOMEM; ++ } ++ ++ s = skb_put(event->skb, len + 1); ++ strcpy(s, buf); ++ ++ BH_DBG("added variable '%s'\n", s); ++ ++ return 0; ++} ++ ++static int motion_hotplug_fill_event(struct bh_event *event) ++{ ++ int s = jiffies; ++ int ret; ++ ++ if (!seen) ++ seen = jiffies; ++ ++ ret = bh_event_add_var(event, 0, "HOME=%s", "/"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "PATH=%s", ++ "/sbin:/bin:/usr/sbin:/usr/bin"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "SUBSYSTEM=usb"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "ACTION=motion"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "SEEN=%d", s - seen); ++ if (ret) ++ return ret; ++ seen = s; ++ ++ ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum()); ++ ++ return ret; ++} ++ ++static void motion_hotplug_work(struct work_struct *work) ++{ ++ struct bh_event *event = container_of(work, struct bh_event, work); ++ int ret = 0; ++ ++ event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL); ++ if (!event->skb) ++ goto out_free_event; ++ ++ ret = bh_event_add_var(event, 0, "%s@", "add"); ++ if (ret) ++ goto out_free_skb; ++ ++ ret = motion_hotplug_fill_event(event); ++ if (ret) ++ goto out_free_skb; ++ ++ NETLINK_CB(event->skb).dst_group = 1; ++ broadcast_uevent(event->skb, 0, 1, GFP_KERNEL); ++ ++out_free_skb: ++ if (ret) { ++ BH_ERR("work error %d\n", ret); ++ kfree_skb(event->skb); ++ } ++out_free_event: ++ kfree(event); ++} ++ ++static int motion_hotplug_create_event(void) ++{ ++ struct bh_event *event; ++ ++ event = kzalloc(sizeof(*event), GFP_KERNEL); ++ if (!event) ++ return -ENOMEM; ++ ++ event->name = "motion"; ++ ++ INIT_WORK(&event->work, (void *)(void *)motion_hotplug_work); ++ schedule_work(&event->work); ++ ++ return 0; ++} ++ ++#define MOTION_FLAG_OFFSET 4 + static void uvc_video_decode_end(struct uvc_streaming *stream, + struct uvc_buffer *buf, const __u8 *data, int len) + { ++ if ((stream->dev->quirks & UVC_QUIRK_MOTION) && ++ (data[len - 2] == 0xff) && (data[len - 1] == 0xd9)) { ++ u8 *mem; ++ buf->state = UVC_BUF_STATE_READY; ++ mem = (u8 *) (buf->mem + MOTION_FLAG_OFFSET); ++ if ( stream->dev->motion ) { ++ stream->dev->motion = 0; ++ motion_hotplug_create_event(); ++ } else { ++ *mem &= 0x7f; ++ } ++ } ++ + /* Mark the buffer as done if the EOF marker is set. */ + if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) { + uvc_trace(UVC_TRACE_FRAME, "Frame complete (EOF found).\n"); +@@ -1495,6 +1640,8 @@ static int uvc_init_video_isoc(struct uv + if (npackets == 0) + return -ENOMEM; + ++ if (stream->dev->quirks & UVC_QUIRK_SINGLE_ISO) ++ npackets = 1; + size = npackets * psize; + + for (i = 0; i < UVC_URBS; ++i) { +--- a/drivers/media/usb/uvc/uvcvideo.h ++++ b/drivers/media/usb/uvc/uvcvideo.h +@@ -148,6 +148,8 @@ + #define UVC_QUIRK_PROBE_DEF 0x00000100 + #define UVC_QUIRK_RESTRICT_FRAME_RATE 0x00000200 + #define UVC_QUIRK_RESTORE_CTRLS_ON_INIT 0x00000400 ++#define UVC_QUIRK_MOTION 0x00000800 ++#define UVC_QUIRK_SINGLE_ISO 0x00001000 + + /* Format flags */ + #define UVC_FMT_FLAG_COMPRESSED 0x00000001 +@@ -551,6 +553,7 @@ struct uvc_device { + __u8 *status; + struct input_dev *input; + char input_phys[64]; ++ int motion; + }; + + enum uvc_handle_state { diff --git a/target/linux/ramips/patches-3.18/0059-USB-fix-dwc2.patch b/target/linux/ramips/patches-3.18/0059-USB-fix-dwc2.patch new file mode 100644 index 0000000000..92e4dc00b1 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0059-USB-fix-dwc2.patch @@ -0,0 +1,19 @@ +--- a/drivers/usb/dwc2/hcd.c ++++ b/drivers/usb/dwc2/hcd.c +@@ -47,6 +47,7 @@ + #include <linux/io.h> + #include <linux/slab.h> + #include <linux/usb.h> ++#include <linux/reset.h> + + #include <linux/usb/hcd.h> + #include <linux/usb/ch11.h> +@@ -2780,6 +2781,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hso + + dev_dbg(hsotg->dev, "DWC OTG HCD INIT\n"); + ++ device_reset(hsotg->dev); ++ + /* Detect config values from hardware */ + retval = dwc2_get_hwparams(hsotg); + diff --git a/target/linux/ramips/patches-3.18/0060-soc_type.patch b/target/linux/ramips/patches-3.18/0060-soc_type.patch new file mode 100644 index 0000000000..23ce6cf121 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0060-soc_type.patch @@ -0,0 +1,229 @@ +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -13,14 +13,6 @@ + #ifndef _MT7620_REGS_H_ + #define _MT7620_REGS_H_ + +-enum mt762x_soc_type { +- MT762X_SOC_UNKNOWN = 0, +- MT762X_SOC_MT7620A, +- MT762X_SOC_MT7620N, +- MT762X_SOC_MT7628AN, +-}; +-extern enum mt762x_soc_type mt762x_soc; +- + #define MT7620_SYSC_BASE 0x10000000 + + #define SYSC_REG_CHIP_NAME0 0x00 +--- a/arch/mips/include/asm/mach-ralink/ralink_regs.h ++++ b/arch/mips/include/asm/mach-ralink/ralink_regs.h +@@ -13,6 +13,20 @@ + #ifndef _RALINK_REGS_H_ + #define _RALINK_REGS_H_ + ++enum ralink_soc_type { ++ RALINK_UNKNOWN = 0, ++ RT305X_SOC_RT3050, ++ RT305X_SOC_RT3052, ++ RT305X_SOC_RT3350, ++ RT305X_SOC_RT3352, ++ RT305X_SOC_RT5350, ++ MT762X_SOC_MT7620A, ++ MT762X_SOC_MT7620N, ++ MT762X_SOC_MT7621AT, ++ MT762X_SOC_MT7628AN, ++}; ++extern enum ralink_soc_type ralink_soc; ++ + extern __iomem void *rt_sysc_membase; + extern __iomem void *rt_memc_membase; + +--- a/arch/mips/include/asm/mach-ralink/rt305x.h ++++ b/arch/mips/include/asm/mach-ralink/rt305x.h +@@ -13,25 +13,16 @@ + #ifndef _RT305X_REGS_H_ + #define _RT305X_REGS_H_ + +-enum rt305x_soc_type { +- RT305X_SOC_UNKNOWN = 0, +- RT305X_SOC_RT3050, +- RT305X_SOC_RT3052, +- RT305X_SOC_RT3350, +- RT305X_SOC_RT3352, +- RT305X_SOC_RT5350, +-}; +- +-extern enum rt305x_soc_type rt305x_soc; ++extern enum ralink_soc_type ralink_soc; + + static inline int soc_is_rt3050(void) + { +- return rt305x_soc == RT305X_SOC_RT3050; ++ return ralink_soc == RT305X_SOC_RT3050; + } + + static inline int soc_is_rt3052(void) + { +- return rt305x_soc == RT305X_SOC_RT3052; ++ return ralink_soc == RT305X_SOC_RT3052; + } + + static inline int soc_is_rt305x(void) +@@ -41,17 +32,17 @@ static inline int soc_is_rt305x(void) + + static inline int soc_is_rt3350(void) + { +- return rt305x_soc == RT305X_SOC_RT3350; ++ return ralink_soc == RT305X_SOC_RT3350; + } + + static inline int soc_is_rt3352(void) + { +- return rt305x_soc == RT305X_SOC_RT3352; ++ return ralink_soc == RT305X_SOC_RT3352; + } + + static inline int soc_is_rt5350(void) + { +- return rt305x_soc == RT305X_SOC_RT5350; ++ return ralink_soc == RT305X_SOC_RT5350; + } + + #define RT305X_SYSC_BASE 0x10000000 +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -43,8 +43,6 @@ + #define CLKCFG_FFRAC_MASK 0x001f + #define CLKCFG_FFRAC_USB_VAL 0x0003 + +-enum mt762x_soc_type mt762x_soc; +- + /* does the board have sdram or ddram */ + static int dram_type; + +@@ -375,7 +373,7 @@ void __init ralink_clk_init(void) + #define RINT(x) ((x) / 1000000) + #define RFRAC(x) (((x) / 1000) % 1000) + +- if (mt762x_soc == MT762X_SOC_MT7628AN) { ++ if (ralink_soc == MT762X_SOC_MT7628AN) { + if (xtal_rate == MHZ(40)) + cpu_rate = MHZ(580); + else +@@ -418,7 +416,7 @@ void __init ralink_clk_init(void) + ralink_clk_add("10000c00.uartlite", periph_rate); + ralink_clk_add("10180000.wmac", xtal_rate); + +- if (IS_ENABLED(CONFIG_USB) && mt762x_soc != MT762X_SOC_MT7628AN) { ++ if (IS_ENABLED(CONFIG_USB) && ralink_soc != MT762X_SOC_MT7628AN) { + /* + * When the CPU goes into sleep mode, the BUS clock will be too low for + * USB to function properly +@@ -506,11 +504,11 @@ void prom_soc_init(struct ralink_soc_inf + + if (n0 == MT7620_CHIP_NAME0 && n1 == MT7620_CHIP_NAME1) { + if (bga) { +- mt762x_soc = MT762X_SOC_MT7620A; ++ ralink_soc = MT762X_SOC_MT7620A; + name = "MT7620A"; + soc_info->compatible = "ralink,mt7620a-soc"; + } else { +- mt762x_soc = MT762X_SOC_MT7620N; ++ ralink_soc = MT762X_SOC_MT7620N; + name = "MT7620N"; + soc_info->compatible = "ralink,mt7620n-soc"; + #ifdef CONFIG_PCI +@@ -518,7 +516,7 @@ void prom_soc_init(struct ralink_soc_inf + #endif + } + } else if (n0 == MT7620_CHIP_NAME0 && n1 == MT7628_CHIP_NAME1) { +- mt762x_soc = MT762X_SOC_MT7628AN; ++ ralink_soc = MT762X_SOC_MT7628AN; + name = "MT7628AN"; + soc_info->compatible = "ralink,mt7628an-soc"; + } else { +@@ -535,7 +533,7 @@ void prom_soc_init(struct ralink_soc_inf + dram_type = (cfg0 >> SYSCFG0_DRAM_TYPE_SHIFT) & SYSCFG0_DRAM_TYPE_MASK; + + soc_info->mem_base = MT7620_DRAM_BASE; +- if (mt762x_soc == MT762X_SOC_MT7628AN) ++ if (ralink_soc == MT762X_SOC_MT7628AN) + mt7628_dram_init(soc_info); + else + mt7620_dram_init(soc_info); +@@ -548,7 +546,7 @@ void prom_soc_init(struct ralink_soc_inf + pr_info("Digital PMU set to %s control\n", + (pmu1 & DIG_SW_SEL) ? ("sw") : ("hw")); + +- if (mt762x_soc == MT762X_SOC_MT7628AN) ++ if (ralink_soc == MT762X_SOC_MT7628AN) + rt2880_pinmux_data = mt7628an_pinmux_data; + else + rt2880_pinmux_data = mt7620a_pinmux_data; +--- a/arch/mips/ralink/rt305x.c ++++ b/arch/mips/ralink/rt305x.c +@@ -21,8 +21,6 @@ + + #include "common.h" + +-enum rt305x_soc_type rt305x_soc; +- + static struct rt2880_pmx_func i2c_func[] = { FUNC("i2c", 0, 1, 2) }; + static struct rt2880_pmx_func spi_func[] = { FUNC("spi", 0, 3, 4) }; + static struct rt2880_pmx_func uartf_func[] = { +@@ -234,24 +232,24 @@ void prom_soc_init(struct ralink_soc_inf + + icache_sets = (read_c0_config1() >> 22) & 7; + if (icache_sets == 1) { +- rt305x_soc = RT305X_SOC_RT3050; ++ ralink_soc = RT305X_SOC_RT3050; + name = "RT3050"; + soc_info->compatible = "ralink,rt3050-soc"; + } else { +- rt305x_soc = RT305X_SOC_RT3052; ++ ralink_soc = RT305X_SOC_RT3052; + name = "RT3052"; + soc_info->compatible = "ralink,rt3052-soc"; + } + } else if (n0 == RT3350_CHIP_NAME0 && n1 == RT3350_CHIP_NAME1) { +- rt305x_soc = RT305X_SOC_RT3350; ++ ralink_soc = RT305X_SOC_RT3350; + name = "RT3350"; + soc_info->compatible = "ralink,rt3350-soc"; + } else if (n0 == RT3352_CHIP_NAME0 && n1 == RT3352_CHIP_NAME1) { +- rt305x_soc = RT305X_SOC_RT3352; ++ ralink_soc = RT305X_SOC_RT3352; + name = "RT3352"; + soc_info->compatible = "ralink,rt3352-soc"; + } else if (n0 == RT5350_CHIP_NAME0 && n1 == RT5350_CHIP_NAME1) { +- rt305x_soc = RT305X_SOC_RT5350; ++ ralink_soc = RT305X_SOC_RT5350; + name = "RT5350"; + soc_info->compatible = "ralink,rt5350-soc"; + } else { +--- a/arch/mips/ralink/prom.c ++++ b/arch/mips/ralink/prom.c +@@ -15,9 +15,13 @@ + #include <asm/bootinfo.h> + #include <asm/addrspace.h> + ++#include <asm/mach-ralink/ralink_regs.h> ++ + #include "common.h" + + struct ralink_soc_info soc_info; ++enum ralink_soc_type ralink_soc; ++EXPORT_SYMBOL_GPL(ralink_soc); + + const char *get_system_type(void) + { +--- a/arch/mips/ralink/mt7621.c ++++ b/arch/mips/ralink/mt7621.c +@@ -175,6 +175,7 @@ void prom_soc_init(struct ralink_soc_inf + soc_info->mem_size_min = MT7621_DDR2_SIZE_MIN; + soc_info->mem_size_max = MT7621_DDR2_SIZE_MAX; + soc_info->mem_base = MT7621_DRAM_BASE; ++ ralink_soc = MT762X_SOC_MT7621AT; + + rt2880_pinmux_data = mt7621_pinmux_data; + diff --git a/target/linux/ramips/patches-3.18/0061-SPI-ralink-add-mt7621-SoC-spi-driver.patch b/target/linux/ramips/patches-3.18/0061-SPI-ralink-add-mt7621-SoC-spi-driver.patch new file mode 100644 index 0000000000..9ee8893550 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0061-SPI-ralink-add-mt7621-SoC-spi-driver.patch @@ -0,0 +1,343 @@ +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -439,6 +439,12 @@ config SPI_RT2880 + help + This selects a driver for the Ralink RT288x/RT305x SPI Controller. + ++config SPI_MT7621 ++ tristate "MediaTek MT7621 SPI Controller" ++ depends on RALINK ++ help ++ This selects a driver for the MediaTek MT7621 SPI Controller. ++ + config SPI_S3C24XX + tristate "Samsung S3C24XX series SPI" + depends on ARCH_S3C24XX +--- a/drivers/spi/Makefile ++++ b/drivers/spi/Makefile +@@ -46,6 +46,7 @@ obj-$(CONFIG_SPI_LM70_LLP) += spi-lm70l + obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o + obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o + obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o ++obj-$(CONFIG_SPI_MT7621) += spi-mt7621.o + obj-$(CONFIG_SPI_MXS) += spi-mxs.o + obj-$(CONFIG_SPI_NUC900) += spi-nuc900.o + obj-$(CONFIG_SPI_OC_TINY) += spi-oc-tiny.o +--- /dev/null ++++ b/drivers/spi/spi-mt7621.c +@@ -0,0 +1,315 @@ ++/* ++ * spi-mt7621.c -- MediaTek MT7621 SPI controller driver ++ * ++ * Copyright (C) 2011 Sergiy <piratfm@gmail.com> ++ * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2014-2015 Felix Fietkau <nbd@openwrt.org> ++ * ++ * Some parts are based on spi-orion.c: ++ * Author: Shadi Ammouri <shadi@marvell.com> ++ * Copyright (C) 2007-2008 Marvell Ltd. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include <linux/init.h> ++#include <linux/module.h> ++#include <linux/clk.h> ++#include <linux/err.h> ++#include <linux/delay.h> ++#include <linux/io.h> ++#include <linux/reset.h> ++#include <linux/spi/spi.h> ++#include <linux/of_device.h> ++#include <linux/platform_device.h> ++#include <linux/swab.h> ++ ++#include <ralink_regs.h> ++ ++#define SPI_BPW_MASK(bits) BIT((bits) - 1) ++ ++#define DRIVER_NAME "spi-mt7621" ++/* in usec */ ++#define RALINK_SPI_WAIT_MAX_LOOP 2000 ++ ++/* SPISTAT register bit field */ ++#define SPISTAT_BUSY BIT(0) ++ ++#define MT7621_SPI_TRANS 0x00 ++#define SPITRANS_BUSY BIT(16) ++ ++#define MT7621_SPI_OPCODE 0x04 ++#define MT7621_SPI_DATA0 0x08 ++#define SPI_CTL_TX_RX_CNT_MASK 0xff ++#define SPI_CTL_START BIT(8) ++ ++#define MT7621_SPI_POLAR 0x38 ++#define MT7621_SPI_MASTER 0x28 ++#define MT7621_SPI_MOREBUF 0x2c ++#define MT7621_SPI_SPACE 0x3c ++ ++#define RT2880_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | SPI_CS_HIGH) ++ ++struct mt7621_spi; ++ ++struct mt7621_spi { ++ struct spi_master *master; ++ void __iomem *base; ++ unsigned int sys_freq; ++ unsigned int speed; ++ struct clk *clk; ++ spinlock_t lock; ++ ++ struct mt7621_spi_ops *ops; ++}; ++ ++static inline struct mt7621_spi *spidev_to_mt7621_spi(struct spi_device *spi) ++{ ++ return spi_master_get_devdata(spi->master); ++} ++ ++static inline u32 mt7621_spi_read(struct mt7621_spi *rs, u32 reg) ++{ ++ return ioread32(rs->base + reg); ++} ++ ++static inline void mt7621_spi_write(struct mt7621_spi *rs, u32 reg, u32 val) ++{ ++ iowrite32(val, rs->base + reg); ++} ++ ++static void mt7621_spi_set_cs(struct spi_device *spi, int enable) ++{ ++ struct mt7621_spi *rs = spidev_to_mt7621_spi(spi); ++ u32 polar = mt7621_spi_read(rs, MT7621_SPI_POLAR); ++ ++ if (enable) ++ polar |= 1; ++ else ++ polar &= ~1; ++ mt7621_spi_write(rs, MT7621_SPI_POLAR, polar); ++} ++ ++static inline int mt7621_spi_wait_till_ready(struct spi_device *spi) ++{ ++ struct mt7621_spi *rs = spidev_to_mt7621_spi(spi); ++ int i; ++ ++ for (i = 0; i < RALINK_SPI_WAIT_MAX_LOOP; i++) { ++ u32 status; ++ ++ status = mt7621_spi_read(rs, MT7621_SPI_TRANS); ++ if ((status & SPITRANS_BUSY) == 0) { ++ return 0; ++ } ++ cpu_relax(); ++ udelay(1); ++ } ++ ++ return -ETIMEDOUT; ++} ++ ++static int mt7621_spi_transfer_one_message(struct spi_master *master, ++ struct spi_message *m) ++{ ++ struct mt7621_spi *rs = spi_master_get_devdata(master); ++ struct spi_device *spi = m->spi; ++ struct spi_transfer *t = NULL; ++ int status = 0; ++ int i, len = 0; ++ int rx_len = 0; ++ u32 data[9] = { 0 }; ++ u32 val; ++ ++ mt7621_spi_wait_till_ready(spi); ++ ++ list_for_each_entry(t, &m->transfers, transfer_list) { ++ const u8 *buf = t->tx_buf; ++ ++ if (t->rx_buf) ++ rx_len += t->len; ++ ++ if (!buf) ++ continue; ++ ++ if (WARN_ON(len + t->len > 36)) { ++ status = -EIO; ++ goto msg_done; ++ } ++ ++ for (i = 0; i < t->len; i++, len++) ++ data[len / 4] |= buf[i] << (8 * (len & 3)); ++ } ++ ++ if (WARN_ON(rx_len > 32)) { ++ status = -EIO; ++ goto msg_done; ++ } ++ ++ data[0] = swab32(data[0]); ++ if (len < 4) ++ data[0] >>= (4 - len) * 8; ++ ++ for (i = 0; i < len; i += 4) ++ mt7621_spi_write(rs, MT7621_SPI_OPCODE + i, data[i / 4]); ++ ++ val = (min_t(int, len, 4) * 8) << 24; ++ if (len > 4) ++ val |= (len - 4) * 8; ++ val |= (rx_len * 8) << 12; ++ mt7621_spi_write(rs, MT7621_SPI_MOREBUF, val); ++ ++ mt7621_spi_set_cs(spi, 1); ++ ++ val = mt7621_spi_read(rs, MT7621_SPI_TRANS); ++ val |= SPI_CTL_START; ++ mt7621_spi_write(rs, MT7621_SPI_TRANS, val); ++ ++ mt7621_spi_wait_till_ready(spi); ++ ++ mt7621_spi_set_cs(spi, 0); ++ ++ for (i = 0; i < rx_len; i += 4) ++ data[i / 4] = mt7621_spi_read(rs, MT7621_SPI_DATA0 + i); ++ ++ m->actual_length = len + rx_len; ++ ++ len = 0; ++ list_for_each_entry(t, &m->transfers, transfer_list) { ++ u8 *buf = t->rx_buf; ++ ++ if (!buf) ++ continue; ++ ++ for (i = 0; i < t->len; i++, len++) ++ buf[i] = data[len / 4] >> (8 * (len & 3)); ++ } ++ ++msg_done: ++ m->status = status; ++ spi_finalize_current_message(master); ++ ++ return 0; ++} ++ ++static int mt7621_spi_setup(struct spi_device *spi) ++{ ++ return 0; ++} ++ ++static void mt7621_spi_reset(struct mt7621_spi *rs) ++{ ++ u32 master = mt7621_spi_read(rs, MT7621_SPI_MASTER); ++ ++ master &= ~(0xfff << 16); ++ master |= 13 << 16; ++ master |= 7 << 29; ++ master |= 1 << 2; ++ ++ mt7621_spi_write(rs, MT7621_SPI_MASTER, master); ++} ++ ++static const struct of_device_id mt7621_spi_match[] = { ++ { .compatible = "ralink,mt7621-spi" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, mt7621_spi_match); ++ ++static int mt7621_spi_probe(struct platform_device *pdev) ++{ ++ const struct of_device_id *match; ++ struct spi_master *master; ++ struct mt7621_spi *rs; ++ unsigned long flags; ++ void __iomem *base; ++ struct resource *r; ++ int status = 0; ++ struct clk *clk; ++ struct mt7621_spi_ops *ops; ++ ++ match = of_match_device(mt7621_spi_match, &pdev->dev); ++ if (!match) ++ return -EINVAL; ++ ops = (struct mt7621_spi_ops *)match->data; ++ ++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ base = devm_ioremap_resource(&pdev->dev, r); ++ if (IS_ERR(base)) ++ return PTR_ERR(base); ++ ++ clk = devm_clk_get(&pdev->dev, NULL); ++ if (IS_ERR(clk)) { ++ dev_err(&pdev->dev, "unable to get SYS clock, err=%d\n", ++ status); ++ return PTR_ERR(clk); ++ } ++ ++ status = clk_prepare_enable(clk); ++ if (status) ++ return status; ++ ++ master = spi_alloc_master(&pdev->dev, sizeof(*rs)); ++ if (master == NULL) { ++ dev_dbg(&pdev->dev, "master allocation failed\n"); ++ return -ENOMEM; ++ } ++ ++ master->mode_bits = RT2880_SPI_MODE_BITS; ++ ++ master->setup = mt7621_spi_setup; ++ master->transfer_one_message = mt7621_spi_transfer_one_message; ++ master->bits_per_word_mask = SPI_BPW_MASK(8); ++ master->dev.of_node = pdev->dev.of_node; ++ master->num_chipselect = 1; ++ ++ dev_set_drvdata(&pdev->dev, master); ++ ++ rs = spi_master_get_devdata(master); ++ rs->base = base; ++ rs->clk = clk; ++ rs->master = master; ++ rs->sys_freq = clk_get_rate(rs->clk); ++ rs->ops = ops; ++ dev_dbg(&pdev->dev, "sys_freq: %u\n", rs->sys_freq); ++ spin_lock_irqsave(&rs->lock, flags); ++ ++ device_reset(&pdev->dev); ++ ++ mt7621_spi_reset(rs); ++ ++ return spi_register_master(master); ++} ++ ++static int mt7621_spi_remove(struct platform_device *pdev) ++{ ++ struct spi_master *master; ++ struct mt7621_spi *rs; ++ ++ master = dev_get_drvdata(&pdev->dev); ++ rs = spi_master_get_devdata(master); ++ ++ clk_disable(rs->clk); ++ spi_unregister_master(master); ++ ++ return 0; ++} ++ ++MODULE_ALIAS("platform:" DRIVER_NAME); ++ ++static struct platform_driver mt7621_spi_driver = { ++ .driver = { ++ .name = DRIVER_NAME, ++ .owner = THIS_MODULE, ++ .of_match_table = mt7621_spi_match, ++ }, ++ .probe = mt7621_spi_probe, ++ .remove = mt7621_spi_remove, ++}; ++ ++module_platform_driver(mt7621_spi_driver); ++ ++MODULE_DESCRIPTION("MT7621 SPI driver"); ++MODULE_AUTHOR("Felix Fietkau <nbd@openwrt.org>"); ++MODULE_LICENSE("GPL"); diff --git a/target/linux/ramips/patches-3.18/0100-mtd-split-remove-padding.patch b/target/linux/ramips/patches-3.18/0100-mtd-split-remove-padding.patch new file mode 100644 index 0000000000..9ee55d5d4d --- /dev/null +++ b/target/linux/ramips/patches-3.18/0100-mtd-split-remove-padding.patch @@ -0,0 +1,12 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -821,9 +821,6 @@ static void split_uimage(struct mtd_info + return; + + len = be32_to_cpu(hdr.size) + 0x40; +- len = mtd_pad_erasesize(master, part->offset, len); +- if (len + master->erasesize > part->mtd.size) +- return; + + if (config_enabled(CONFIG_MTD_SPLIT_UIMAGE_FW)) + pr_err("Dedicated partitioner didn't split firmware partition, please fill a bug report!\n"); diff --git a/target/linux/ramips/patches-3.18/0101-mtd-add-rtn56u-support.patch b/target/linux/ramips/patches-3.18/0101-mtd-add-rtn56u-support.patch new file mode 100644 index 0000000000..c3012fb933 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0101-mtd-add-rtn56u-support.patch @@ -0,0 +1,27 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -809,8 +809,11 @@ static void split_uimage(struct mtd_info + { + struct { + __be32 magic; +- __be32 pad[2]; ++ __be32 pad0[2]; + __be32 size; ++ __be32 pad1[4]; ++ __be32 name[7]; ++ __be32 kern_size; + } hdr; + size_t len; + +@@ -820,7 +823,10 @@ static void split_uimage(struct mtd_info + if (len != sizeof(hdr) || hdr.magic != cpu_to_be32(UBOOT_MAGIC)) + return; + +- len = be32_to_cpu(hdr.size) + 0x40; ++ if (hdr.kern_size != 0 && hdr.name[0] == 0) ++ len = be32_to_cpu(hdr.kern_size); ++ else ++ len = be32_to_cpu(hdr.size) + 0x40; + + if (config_enabled(CONFIG_MTD_SPLIT_UIMAGE_FW)) + pr_err("Dedicated partitioner didn't split firmware partition, please fill a bug report!\n"); diff --git a/target/linux/ramips/patches-3.18/0103-MIPS-OWRTDTB.patch b/target/linux/ramips/patches-3.18/0103-MIPS-OWRTDTB.patch new file mode 100644 index 0000000000..b90138317b --- /dev/null +++ b/target/linux/ramips/patches-3.18/0103-MIPS-OWRTDTB.patch @@ -0,0 +1,44 @@ +From c174d2250e402399ad7dbdd57d51883d8804bba0 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 15 Jul 2013 00:40:37 +0200 +Subject: [PATCH 31/33] owrt: MIPS: add OWRTDTB secion + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/kernel/head.S | 3 +++ + arch/mips/ralink/Makefile | 2 +- + arch/mips/ralink/of.c | 4 +++- + 3 files changed, 7 insertions(+), 2 deletions(-) + +--- a/arch/mips/kernel/head.S ++++ b/arch/mips/kernel/head.S +@@ -86,6 +86,9 @@ EXPORT(__image_cmdline) + .fill 0x400 + #endif /* CONFIG_IMAGE_CMDLINE_HACK */ + ++ .ascii "OWRTDTB:" ++ EXPORT(__image_dtb) ++ .fill 0x4000 + __REF + + NESTED(kernel_entry, 16, sp) # kernel entry point +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -66,6 +66,8 @@ static int __init early_init_dt_find_mem + return 0; + } + ++extern struct boot_param_header __image_dtb; ++ + void __init plat_mem_setup(void) + { + set_io_port_base(KSEG1); +@@ -74,7 +76,7 @@ void __init plat_mem_setup(void) + * Load the builtin devicetree. This causes the chosen node to be + * parsed resulting in our memory appearing + */ +- __dt_setup_arch(__dtb_start); ++ __dt_setup_arch(&__image_dtb); + + strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); + diff --git a/target/linux/ramips/patches-3.18/0110-fix_bootargs_handling.patch b/target/linux/ramips/patches-3.18/0110-fix_bootargs_handling.patch new file mode 100644 index 0000000000..9f76aa1f5b --- /dev/null +++ b/target/linux/ramips/patches-3.18/0110-fix_bootargs_handling.patch @@ -0,0 +1,40 @@ +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -3,7 +3,7 @@ + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * +- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2008-2014 Imre Kaloz <kaloz@openwrt.org> + * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2013 John Crispin <blogic@openwrt.org> + */ +@@ -66,6 +66,17 @@ static int __init early_init_dt_find_mem + return 0; + } + ++static int chosen_dtb; ++ ++static int __init early_init_dt_find_chosen(unsigned long node, const char *uname, ++ int depth, void *data) ++{ ++ if (depth == 1 && !strcmp(uname, "chosen")) ++ chosen_dtb = 1; ++ ++ return 0; ++} ++ + extern struct boot_param_header __image_dtb; + + void __init plat_mem_setup(void) +@@ -78,7 +89,9 @@ void __init plat_mem_setup(void) + */ + __dt_setup_arch(&__image_dtb); + +- strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); ++ of_scan_flat_dt(early_init_dt_find_chosen, NULL); ++ if (chosen_dtb) ++ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); + + of_scan_flat_dt(early_init_dt_find_memory, NULL); + if (memory_dtb) diff --git a/target/linux/ramips/patches-3.18/100-mt7621-add-cpu-feature-overrides.patch b/target/linux/ramips/patches-3.18/100-mt7621-add-cpu-feature-overrides.patch new file mode 100644 index 0000000000..f6f94f0383 --- /dev/null +++ b/target/linux/ramips/patches-3.18/100-mt7621-add-cpu-feature-overrides.patch @@ -0,0 +1,68 @@ +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h +@@ -0,0 +1,65 @@ ++/* ++ * Ralink MT7621 specific CPU feature overrides ++ * ++ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2015 Felix Fietkau <nbd@openwrt.org> ++ * ++ * This file was derived from: include/asm-mips/cpu-features.h ++ * Copyright (C) 2003, 2004 Ralf Baechle ++ * Copyright (C) 2004 Maciej W. Rozycki ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ */ ++#ifndef _MT7621_CPU_FEATURE_OVERRIDES_H ++#define _MT7621_CPU_FEATURE_OVERRIDES_H ++ ++#define cpu_has_tlb 1 ++#define cpu_has_4kex 1 ++#define cpu_has_3k_cache 0 ++#define cpu_has_4k_cache 1 ++#define cpu_has_tx39_cache 0 ++#define cpu_has_sb1_cache 0 ++#define cpu_has_fpu 0 ++#define cpu_has_32fpr 0 ++#define cpu_has_counter 1 ++#define cpu_has_watch 1 ++#define cpu_has_divec 1 ++ ++#define cpu_has_prefetch 1 ++#define cpu_has_ejtag 1 ++#define cpu_has_llsc 1 ++ ++#define cpu_has_mips16 1 ++#define cpu_has_mdmx 0 ++#define cpu_has_mips3d 0 ++#define cpu_has_smartmips 0 ++ ++#define cpu_has_mips32r1 1 ++#define cpu_has_mips32r2 1 ++#define cpu_has_mips64r1 0 ++#define cpu_has_mips64r2 0 ++ ++#define cpu_has_dsp 1 ++#define cpu_has_dsp2 0 ++#define cpu_has_mipsmt 1 ++ ++#define cpu_has_64bits 0 ++#define cpu_has_64bit_zero_reg 0 ++#define cpu_has_64bit_gp_regs 0 ++#define cpu_has_64bit_addresses 0 ++ ++#define cpu_dcache_line_size() 32 ++#define cpu_icache_line_size() 32 ++ ++#define cpu_has_dc_aliases 0 ++#define cpu_has_vtag_icache 0 ++ ++#define cpu_has_rixi 0 ++#define cpu_has_tlbinv 0 ++#define cpu_has_userlocal 1 ++ ++#endif /* _MT7621_CPU_FEATURE_OVERRIDES_H */ diff --git a/target/linux/ramips/patches-3.18/999-no-pm_poweroff.patch b/target/linux/ramips/patches-3.18/999-no-pm_poweroff.patch new file mode 100644 index 0000000000..fedfe37154 --- /dev/null +++ b/target/linux/ramips/patches-3.18/999-no-pm_poweroff.patch @@ -0,0 +1,10 @@ +--- a/arch/mips/ralink/reset.c ++++ b/arch/mips/ralink/reset.c +@@ -98,7 +98,6 @@ static int __init mips_reboot_setup(void + { + _machine_restart = ralink_restart; + _machine_halt = ralink_halt; +- pm_power_off = ralink_halt; + + return 0; + } diff --git a/target/linux/ramips/patches-3.18/999-non-pci-mt7620.patch b/target/linux/ramips/patches-3.18/999-non-pci-mt7620.patch new file mode 100644 index 0000000000..815b1c7447 --- /dev/null +++ b/target/linux/ramips/patches-3.18/999-non-pci-mt7620.patch @@ -0,0 +1,12 @@ +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -511,9 +511,6 @@ void prom_soc_init(struct ralink_soc_inf + ralink_soc = MT762X_SOC_MT7620N; + name = "MT7620N"; + soc_info->compatible = "ralink,mt7620n-soc"; +-#ifdef CONFIG_PCI +- panic("mt7620n is only supported for non pci kernels"); +-#endif + } + } else if (n0 == MT7620_CHIP_NAME0 && n1 == MT7628_CHIP_NAME1) { + ralink_soc = MT762X_SOC_MT7628AN; diff --git a/target/linux/ramips/patches-3.18/999-pci-reset.patch b/target/linux/ramips/patches-3.18/999-pci-reset.patch new file mode 100644 index 0000000000..6055731822 --- /dev/null +++ b/target/linux/ramips/patches-3.18/999-pci-reset.patch @@ -0,0 +1,35 @@ +--- a/arch/mips/ralink/reset.c ++++ b/arch/mips/ralink/reset.c +@@ -11,6 +11,7 @@ + #include <linux/pm.h> + #include <linux/io.h> + #include <linux/of.h> ++#include <linux/delay.h> + #include <linux/reset-controller.h> + + #include <asm/reboot.h> +@@ -18,8 +19,10 @@ + #include <asm/mach-ralink/ralink_regs.h> + + /* Reset Control */ +-#define SYSC_REG_RESET_CTRL 0x034 +-#define RSTCTL_RESET_SYSTEM BIT(0) ++#define SYSC_REG_RESET_CTRL 0x034 ++ ++#define RSTCTL_RESET_PCI BIT(26) ++#define RSTCTL_RESET_SYSTEM BIT(0) + + static int ralink_assert_device(struct reset_controller_dev *rcdev, + unsigned long id) +@@ -83,6 +86,11 @@ void ralink_rst_init(void) + + static void ralink_restart(char *command) + { ++ if (IS_ENABLED(CONFIG_PCI)) { ++ rt_sysc_m32(0, RSTCTL_RESET_PCI, SYSC_REG_RESET_CTRL); ++ mdelay(50); ++ } ++ + local_irq_disable(); + rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL); + unreachable(); |