diff options
author | John Crispin <john@openwrt.org> | 2014-03-18 19:21:56 +0000 |
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committer | John Crispin <john@openwrt.org> | 2014-03-18 19:21:56 +0000 |
commit | 332b94fbd524b944d2296b8ae0bf3db90a64ac90 (patch) | |
tree | 4eef4c2285c01b870a57a2f663612a4fe53df534 /target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch | |
parent | 8a97da18e00ac36bdb5871d903044fc9b0826bfd (diff) | |
download | upstream-332b94fbd524b944d2296b8ae0bf3db90a64ac90.tar.gz upstream-332b94fbd524b944d2296b8ae0bf3db90a64ac90.tar.bz2 upstream-332b94fbd524b944d2296b8ae0bf3db90a64ac90.zip |
ralink: refresh patches
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 39949
Diffstat (limited to 'target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch')
-rw-r--r-- | target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch | 669 |
1 files changed, 0 insertions, 669 deletions
diff --git a/target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch b/target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch deleted file mode 100644 index 83a48f37c1..0000000000 --- a/target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch +++ /dev/null @@ -1,669 +0,0 @@ -From 99342a0481d49b6e1ade90fdb02f597cb75f103f Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 2 Dec 2013 16:11:09 +0100 -Subject: [PATCH 502/507] MIPS: ralink: add MT7621 support - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/include/asm/mach-ralink/mt7621.h | 39 +++++ - arch/mips/ralink/Kconfig | 18 ++ - arch/mips/ralink/Makefile | 7 +- - arch/mips/ralink/Platform | 5 + - arch/mips/ralink/irq-gic.c | 255 ++++++++++++++++++++++++++++ - arch/mips/ralink/malta-amon.c | 81 +++++++++ - arch/mips/ralink/mt7621.c | 186 ++++++++++++++++++++ - 7 files changed, 590 insertions(+), 1 deletion(-) - 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/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/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -1,5 +1,10 @@ - if RALINK - -+config IRQ_INTC -+ bool -+ default y -+ depends on !SOC_MT7621 -+ - config CLKEVT_RT3352 - bool "Systick Clockevent source" - depends on SOC_RT305X || SOC_MT7620 -@@ -35,6 +40,15 @@ choice - select USB_ARCH_HAS_EHCI - select HW_HAS_PCI - -+ 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 -@@ -62,6 +76,10 @@ choice - bool "MT7620A eval kit" - depends on SOC_MT7620 - -+ config DTB_MT7621_EVAL -+ bool "MT7621 eval kit" -+ depends on SOC_MT7621 -+ - endchoice - - endif ---- a/arch/mips/ralink/Makefile -+++ b/arch/mips/ralink/Makefile -@@ -6,7 +6,11 @@ - # 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-$(CONFIG_IRQ_INTC) += irq.o -+obj-$(CONFIG_IRQ_GIC) += irq-gic.o -+obj-$(CONFIG_MIPS_MT_SMP) += malta-amon.o - - obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o - -@@ -16,6 +20,7 @@ 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 -@@ -26,3 +26,10 @@ cflags-$(CONFIG_SOC_RT3883) += -I$(srctr - # Ralink MT7620 - # - 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-$(CONFIG_SOC_MT7620) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7621 ---- /dev/null -+++ b/arch/mips/ralink/irq-gic.c -@@ -0,0 +1,255 @@ -+#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> -+ -+static unsigned long _gcmp_base; -+static int gic_resched_int_base = 56; -+static int gic_call_int_base = 60; -+static struct irq_chip *irq_gic; -+ -+#define GIC_RESCHED_INT(cpu) (gic_resched_int_base+(cpu)) -+#define GIC_CALL_INT(cpu) (gic_call_int_base+(cpu)) -+ -+static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //0 -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { GIC_UNUSED }, -+ { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //FE -+ { 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //PCIE0 -+ { GIC_UNUSED}, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //10 -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { GIC_UNUSED }, -+ { GIC_UNUSED }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //20 -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { GIC_UNUSED }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //25 -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },//30 -+ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, -+}; -+ -+static struct gic_intr_map ipi_intr_map[8] = { -+ { 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 1, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 2, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 3, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 1, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 2, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+ { 3, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, -+}; -+ -+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" -+}; -+ -+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 -+vi_gic_irqdispatch(void) -+{ -+ int irq = gic_get_int(); -+ -+ if (irq >= 0) -+ do_IRQ(MIPS_GIC_IRQ_BASE + irq); -+} -+ -+static void -+vi_timer_irqdispatch(void) -+{ -+ do_IRQ(cp0_compare_irq); -+} -+ -+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); -+} -+ -+asmlinkage void -+plat_irq_dispatch(void) -+{ -+ unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; -+ -+ if (pending & CAUSEF_IP7) -+ do_IRQ(cp0_compare_irq); -+ else if (pending & (CAUSEF_IP4 | CAUSEF_IP3)) -+ vi_gic_irqdispatch(); -+ else -+ spurious_interrupt(); -+} -+ -+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, handle_percpu_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(3, vi_gic_irqdispatch); -+ set_vi_handler(4, vi_gic_irqdispatch); -+ set_vi_handler(7, vi_timer_irqdispatch); -+ } -+ -+ memcpy(&gic_intr_map[gic_resched_int_base], ipi_intr_map, sizeof(ipi_intr_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"); -+ -+ for (i = 0; i < NR_CPUS; 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); -+ } -+ -+ change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 | STATUSF_IP6 | -+ STATUSF_IP7); -+ 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 +1,186 @@ -+/* -+ * 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/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("uart1", 0, 1, 2) }; -+static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 3, 2) }; -+static struct rt2880_pmx_func uart3_grp[] = { FUNC("uart3", 0, 5, 4) }; -+static struct rt2880_pmx_func uart2_grp[] = { FUNC("uart2", 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("rgmii2", 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("rgmii1", 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; -+ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); -+ break; -+ -+ case 1: -+ fbdiv = ((rt_sysc_r32(0x648) >> 4) & 0x7F) + 1; -+ syscfg = rt_sysc_r32(SYSC_REG_SYSCFG); -+ xtal_mode = (syscfg >> 6) & 0x7; -+ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); -+ if(xtal_mode >= 6) { //25Mhz Xtal -+ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); -+ cpu_clk = 25 * fbdiv * 1000 * 1000; -+ } else if(xtal_mode >=3) { //40Mhz Xtal -+ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); -+ cpu_clk = 40 * fbdiv * 1000 * 1000; -+ } else { // 20Mhz Xtal -+ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); -+ 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); -+} -+ -+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()"); -+} |