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| author | Felix Fietkau <nbd@nbd.name> | 2018-04-06 18:20:46 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2018-04-06 18:21:45 +0200 |
| commit | dea9922acd290b37a784d354892a44684a8fb696 (patch) | |
| tree | 6882d6c6a6b0166ed11842edea35ace83c7e592d /target/linux/ramips/patches-4.9 | |
| parent | 804952e7ef045e2ed68a1434dbc7371057495968 (diff) | |
| download | upstream-dea9922acd290b37a784d354892a44684a8fb696.tar.gz upstream-dea9922acd290b37a784d354892a44684a8fb696.tar.bz2 upstream-dea9922acd290b37a784d354892a44684a8fb696.zip | |
ramips: drop linux 4.9 support
4.14 has been tested a lot by a number of users, and we want to use it
for the release.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/ramips/patches-4.9')
49 files changed, 0 insertions, 14305 deletions
diff --git a/target/linux/ramips/patches-4.9/0004-MIPS-ralink-add-MT7621-pcie-driver.patch b/target/linux/ramips/patches-4.9/0004-MIPS-ralink-add-MT7621-pcie-driver.patch deleted file mode 100644 index da5239abb1..0000000000 --- a/target/linux/ramips/patches-4.9/0004-MIPS-ralink-add-MT7621-pcie-driver.patch +++ /dev/null @@ -1,861 +0,0 @@ -From fec11d4e8dc5cc79bcd7c8fd55038ac21ac39965 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 16 Mar 2014 05:22:39 +0000 -Subject: [PATCH 04/53] 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 | 813 ++++++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 814 insertions(+) - create mode 100644 arch/mips/pci/pci-mt7621.c - ---- a/arch/mips/pci/Makefile -+++ b/arch/mips/pci/Makefile -@@ -46,6 +46,7 @@ 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_MT7620) += pci-mt7620.o -+obj-$(CONFIG_SOC_MT7621) += pci-mt7621.o - obj-$(CONFIG_SOC_RT288X) += pci-rt2880.o - obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o - obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o ---- /dev/null -+++ b/arch/mips/pci/pci-mt7621.c -@@ -0,0 +1,836 @@ -+/************************************************************************** -+ * -+ * 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 <asm/mips-cm.h> -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/delay.h> -+#include <linux/of.h> -+#include <linux/of_pci.h> -+#include <linux/of_irq.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 RALINK_INT_PCIE0 pcie_irq[0] -+#define RALINK_INT_PCIE1 pcie_irq[1] -+#define RALINK_INT_PCIE2 pcie_irq[2] -+#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 pcie_irq[3]; -+ -+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 -+} -+ -+void setup_cm_memory_region(struct resource *mem_resource) -+{ -+ resource_size_t mask; -+ if (mips_cm_numiocu()) { -+ /* FIXME: hardware doesn't accept mask values with 1s after -+ 0s (e.g. 0xffef), so it would be great to warn if that's -+ about to happen */ -+ mask = ~(mem_resource->end - mem_resource->start); -+ -+ write_gcr_reg1_base(mem_resource->start); -+ write_gcr_reg1_mask(mask | CM_GCR_REGn_MASK_CMTGT_IOCU0); -+ printk("PCI coherence region base: 0x%08lx, mask/settings: 0x%08lx\n", -+ read_gcr_reg1_base(), -+ read_gcr_reg1_mask()); -+ } -+} -+ -+static int mt7621_pci_probe(struct platform_device *pdev) -+{ -+ unsigned long val = 0; -+ int i; -+ -+ for (i = 0; i < 3; i++) -+ pcie_irq[i] = irq_of_parse_and_map(pdev->dev.of_node, i); -+ -+ 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); -+ setup_cm_memory_region(mt7621_controller.mem_resource); -+ 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-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch deleted file mode 100644 index cfe84bacca..0000000000 --- a/target/linux/ramips/patches-4.9/0005-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch +++ /dev/null @@ -1,81 +0,0 @@ -From ce3d4a4111a5f7e6b4e74bceae5faa6ce388e8ec Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 14 Jul 2013 23:08:11 +0200 -Subject: [PATCH 05/53] MIPS: use set_mode() to enable/disable the cevt-r4k - irq - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/ralink/Kconfig | 5 +++++ - 1 file changed, 5 insertions(+) - ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -1,11 +1,16 @@ - if RALINK - -+config CEVT_SYSTICK_QUIRK -+ bool -+ default n -+ - config CLKEVT_RT3352 - bool - depends on SOC_RT305X || SOC_MT7620 - default y - select CLKSRC_OF - select CLKSRC_MMIO -+ select CEVT_SYSTICK_QUIRK - - config RALINK_ILL_ACC - bool ---- a/arch/mips/kernel/cevt-r4k.c -+++ b/arch/mips/kernel/cevt-r4k.c -@@ -15,6 +15,26 @@ - #include <asm/time.h> - #include <asm/cevt-r4k.h> - -+static int mips_state_oneshot(struct clock_event_device *evt) -+{ -+ if (!cp0_timer_irq_installed) { -+ cp0_timer_irq_installed = 1; -+ setup_irq(evt->irq, &c0_compare_irqaction); -+ } -+ -+ return 0; -+} -+ -+static int mips_state_shutdown(struct clock_event_device *evt) -+{ -+ if (cp0_timer_irq_installed) { -+ cp0_timer_irq_installed = 0; -+ remove_irq(evt->irq, &c0_compare_irqaction); -+ } -+ -+ return 0; -+} -+ - static int mips_next_event(unsigned long delta, - struct clock_event_device *evt) - { -@@ -281,17 +301,21 @@ int r4k_clockevent_init(void) - cd->rating = 300; - cd->irq = irq; - cd->cpumask = cpumask_of(cpu); -+ cd->set_state_shutdown = mips_state_shutdown; -+ cd->set_state_oneshot = mips_state_oneshot; - cd->set_next_event = mips_next_event; - cd->event_handler = mips_event_handler; - - clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff); - -+#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-4.9/0006-MIPS-ralink-add-cpu-frequency-scaling.patch b/target/linux/ramips/patches-4.9/0006-MIPS-ralink-add-cpu-frequency-scaling.patch deleted file mode 100644 index 8c144b1e48..0000000000 --- a/target/linux/ramips/patches-4.9/0006-MIPS-ralink-add-cpu-frequency-scaling.patch +++ /dev/null @@ -1,198 +0,0 @@ -From bd30f19a006fb52bac80c6463c49dd2f4159f4ac Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 28 Jul 2013 16:26:41 +0200 -Subject: [PATCH 06/53] 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 | 38 ++++++++++++++++++++++++++++++++++++++ - 1 file changed, 38 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; -@@ -36,21 +40,53 @@ struct systick_device { - int freq_scale; - }; - -+static void (*systick_freq_scaling)(struct systick_device *sdev, int status); -+ - static int systick_set_oneshot(struct clock_event_device *evt); - static int systick_shutdown(struct clock_event_device *evt); - -+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", sdev->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 inline unsigned int read_count(struct systick_device *sdev) -+{ -+ return ioread32(sdev->membase + SYSTICK_COUNT); -+} -+ -+static inline unsigned int read_compare(struct systick_device *sdev) -+{ -+ return ioread32(sdev->membase + SYSTICK_COMPARE); -+} -+ -+static inline void write_compare(struct systick_device *sdev, unsigned int val) -+{ -+ iowrite32(val, sdev->membase + SYSTICK_COMPARE); -+} -+ - static int systick_next_event(unsigned long delta, - struct clock_event_device *evt) - { - struct systick_device *sdev; -- u32 count; -+ int res; - - sdev = container_of(evt, struct systick_device, dev); -- count = ioread32(sdev->membase + SYSTICK_COUNT); -- count = (count + delta) % SYSTICK_FREQ; -- iowrite32(count, sdev->membase + SYSTICK_COMPARE); -+ delta += read_count(sdev); -+ write_compare(sdev, delta); -+ res = ((int)(read_count(sdev) - delta) >= 0) ? -ETIME : 0; - -- return 0; -+ return res; - } - - static void systick_event_handler(struct clock_event_device *dev) -@@ -60,20 +96,25 @@ static void systick_event_handler(struct - - static irqreturn_t systick_interrupt(int irq, void *dev_id) - { -- struct clock_event_device *dev = (struct clock_event_device *) dev_id; -+ int ret = 0; -+ struct clock_event_device *cdev; -+ struct systick_device *sdev; - -- dev->event_handler(dev); -+ if (read_c0_cause() & STATUSF_IP7) { -+ cdev = (struct clock_event_device *) dev_id; -+ sdev = container_of(cdev, struct systick_device, dev); -+ -+ /* Clear Count/Compare Interrupt */ -+ write_compare(sdev, read_compare(sdev)); -+ cdev->event_handler(cdev); -+ ret = 1; -+ } - -- return IRQ_HANDLED; -+ return IRQ_RETVAL(ret); - } - - static struct systick_device systick = { - .dev = { -- /* -- * cevt-r4k uses 300, make sure systick -- * gets used if available -- */ -- .rating = 310, - .features = CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = systick_next_event, - .set_state_shutdown = systick_shutdown, -@@ -95,9 +136,15 @@ static int systick_shutdown(struct clock - sdev = container_of(evt, struct systick_device, dev); - - if (sdev->irq_requested) -- free_irq(systick.dev.irq, &systick_irqaction); -+ remove_irq(systick.dev.irq, &systick_irqaction); - sdev->irq_requested = 0; -- iowrite32(0, systick.membase + SYSTICK_CONFIG); -+ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG); -+ -+ if (systick_freq_scaling) -+ systick_freq_scaling(sdev, 0); -+ -+ if (systick_freq_scaling) -+ systick_freq_scaling(sdev, 1); - - return 0; - } -@@ -117,32 +164,48 @@ static int systick_set_oneshot(struct cl - return 0; - } - -+static const struct of_device_id systick_match[] = { -+ { .compatible = "ralink,mt7620a-systick", .data = mt7620_freq_scaling}, -+ {}, -+}; -+ - static int __init ralink_systick_init(struct device_node *np) - { -+ const struct of_device_id *match; -+ int rating = 200; - int ret; - - systick.membase = of_iomap(np, 0); - if (!systick.membase) - return -ENXIO; - -- systick_irqaction.name = np->name; -- systick.dev.name = np->name; -- clockevents_calc_mult_shift(&systick.dev, SYSTICK_FREQ, 60); -- systick.dev.max_delta_ns = clockevent_delta2ns(0x7fff, &systick.dev); -- systick.dev.min_delta_ns = clockevent_delta2ns(0x3, &systick.dev); -+ match = of_match_node(systick_match, np); -+ if (match) { -+ systick_freq_scaling = match->data; -+ /* -+ * cevt-r4k uses 300, make sure systick -+ * gets used if available -+ */ -+ rating = 310; -+ } -+ -+ /* enable counter than register clock source */ -+ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG); -+ clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name, -+ SYSTICK_FREQ, rating, 16, clocksource_mmio_readl_up); -+ -+ /* register clock event */ - systick.dev.irq = irq_of_parse_and_map(np, 0); - if (!systick.dev.irq) { - pr_err("%s: request_irq failed", np->name); - return -EINVAL; - } - -- ret = clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name, -- SYSTICK_FREQ, 301, 16, -- clocksource_mmio_readl_up); -- if (ret) -- return ret; -- -- clockevents_register_device(&systick.dev); -+ systick_irqaction.name = np->name; -+ systick.dev.name = np->name; -+ systick.dev.rating = rating; -+ systick.dev.cpumask = cpumask_of(0); -+ clockevents_config_and_register(&systick.dev, SYSTICK_FREQ, 0x3, 0x7fff); - - pr_info("%s: running - mult: %d, shift: %d\n", - np->name, systick.dev.mult, systick.dev.shift); diff --git a/target/linux/ramips/patches-4.9/0007-MIPS-ralink-copy-the-commandline-from-the-devicetree.patch b/target/linux/ramips/patches-4.9/0007-MIPS-ralink-copy-the-commandline-from-the-devicetree.patch deleted file mode 100644 index 4035a14373..0000000000 --- a/target/linux/ramips/patches-4.9/0007-MIPS-ralink-copy-the-commandline-from-the-devicetree.patch +++ /dev/null @@ -1,21 +0,0 @@ -From 67b7bff0fd364c194e653f69baa623ba2141bd4c Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 4 Aug 2014 18:46:02 +0200 -Subject: [PATCH 07/53] 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-4.9/0009-PCI-MIPS-enable-PCIe-on-MT7688.patch b/target/linux/ramips/patches-4.9/0009-PCI-MIPS-enable-PCIe-on-MT7688.patch deleted file mode 100644 index 6ca15fe32e..0000000000 --- a/target/linux/ramips/patches-4.9/0009-PCI-MIPS-enable-PCIe-on-MT7688.patch +++ /dev/null @@ -1,28 +0,0 @@ -From 7768798964eb0e4f95eaecffb93b5d0ca28a38af Mon Sep 17 00:00:00 2001 -From: Daniel Golle <daniel@makrotopia.org> -Date: Sat, 3 Jun 2017 20:00:03 +0200 -Subject: [PATCH] MIPS: pci-mt7620: enabled PCIe on MT7688 -To: linux-mips@linux-mips.org, - John Crispin <john@phrozen.org> -Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>, - Ralf Baechle <ralf@linux-mips.org>, - linux-mediatek@lists.infradead.org - -Use PCIe support for MT7628AN also on MT7688. -Tested on WRTNODE2R. - -Signed-off-by: Daniel Golle <daniel@makrotopia.org> ---- - arch/mips/pci/pci-mt7620.c | 1 + - 1 file changed, 1 insertion(+) - ---- a/arch/mips/pci/pci-mt7620.c -+++ b/arch/mips/pci/pci-mt7620.c -@@ -316,6 +316,7 @@ static int mt7620_pci_probe(struct platf - break; - - case MT762X_SOC_MT7628AN: -+ case MT762X_SOC_MT7688: - if (mt7628_pci_hw_init(pdev)) - return -1; - break; diff --git a/target/linux/ramips/patches-4.9/0013-owrt-hack-fix-mt7688-cache-issue.patch b/target/linux/ramips/patches-4.9/0013-owrt-hack-fix-mt7688-cache-issue.patch deleted file mode 100644 index 0a3ef365fa..0000000000 --- a/target/linux/ramips/patches-4.9/0013-owrt-hack-fix-mt7688-cache-issue.patch +++ /dev/null @@ -1,28 +0,0 @@ -From 5ede027f6c4a57ed25da872420508b7f1168b36b Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 7 Dec 2015 17:15:32 +0100 -Subject: [PATCH 13/53] owrt: hack: fix mt7688 cache issue - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/kernel/setup.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/mips/kernel/setup.c -+++ b/arch/mips/kernel/setup.c -@@ -846,7 +846,6 @@ static void __init arch_mem_init(char ** - crashk_res.end - crashk_res.start + 1, - BOOTMEM_DEFAULT); - #endif -- device_tree_init(); - sparse_init(); - plat_swiotlb_setup(); - -@@ -962,6 +961,7 @@ void __init setup_arch(char **cmdline_p) - - cpu_cache_init(); - paging_init(); -+ device_tree_init(); - } - - unsigned long kernelsp[NR_CPUS]; diff --git a/target/linux/ramips/patches-4.9/0015-arch-mips-do-not-select-illegal-access-driver-by-def.patch b/target/linux/ramips/patches-4.9/0015-arch-mips-do-not-select-illegal-access-driver-by-def.patch deleted file mode 100644 index 6f5a6f4b94..0000000000 --- a/target/linux/ramips/patches-4.9/0015-arch-mips-do-not-select-illegal-access-driver-by-def.patch +++ /dev/null @@ -1,25 +0,0 @@ -From 9e6ce539092a1dd605a20bf73c655a9de58d8641 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 7 Dec 2015 17:18:05 +0100 -Subject: [PATCH 15/53] arch: mips: do not select illegal access driver by - default - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/ralink/Kconfig | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -13,9 +13,9 @@ config CLKEVT_RT3352 - select CEVT_SYSTICK_QUIRK - - config RALINK_ILL_ACC -- bool -+ bool "illegal access irq" - depends on SOC_RT305X -- default y -+ default n - - config IRQ_INTC - bool diff --git a/target/linux/ramips/patches-4.9/0024-GPIO-add-named-gpio-exports.patch b/target/linux/ramips/patches-4.9/0024-GPIO-add-named-gpio-exports.patch deleted file mode 100644 index 3434864d26..0000000000 --- a/target/linux/ramips/patches-4.9/0024-GPIO-add-named-gpio-exports.patch +++ /dev/null @@ -1,166 +0,0 @@ -From 4267880319bc1a2270d352e0ded6d6386242a7ef Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Tue, 12 Aug 2014 20:49:27 +0200 -Subject: [PATCH 24/53] GPIO: add named gpio exports - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/gpio/gpiolib-of.c | 68 +++++++++++++++++++++++++++++++++++++++++ - drivers/gpio/gpiolib-sysfs.c | 10 +++++- - include/asm-generic/gpio.h | 6 ++++ - include/linux/gpio/consumer.h | 8 +++++ - 4 files changed, 91 insertions(+), 1 deletion(-) - ---- a/drivers/gpio/gpiolib-of.c -+++ b/drivers/gpio/gpiolib-of.c -@@ -23,6 +23,8 @@ - #include <linux/pinctrl/pinctrl.h> - #include <linux/slab.h> - #include <linux/gpio/machine.h> -+#include <linux/init.h> -+#include <linux/platform_device.h> - - #include "gpiolib.h" - -@@ -538,3 +540,69 @@ 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/drivers/gpio/gpiolib-sysfs.c -+++ b/drivers/gpio/gpiolib-sysfs.c -@@ -544,7 +544,7 @@ 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) - { - struct gpio_chip *chip; - struct gpio_device *gdev; -@@ -606,6 +606,8 @@ int gpiod_export(struct gpio_desc *desc, - offset = gpio_chip_hwgpio(desc); - if (chip->names && chip->names[offset]) - ioname = chip->names[offset]; -+ if (name) -+ ioname = name; - - dev = device_create_with_groups(&gpio_class, &gdev->dev, - MKDEV(0, 0), data, gpio_groups, -@@ -627,6 +629,12 @@ err_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 *desc) ---- a/include/asm-generic/gpio.h -+++ b/include/asm-generic/gpio.h -@@ -126,6 +126,12 @@ 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 -@@ -427,6 +427,7 @@ static inline struct gpio_desc *devm_get - - #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); -@@ -434,6 +435,13 @@ 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) - { diff --git a/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch b/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch deleted file mode 100644 index 0dfd4c233c..0000000000 --- a/target/linux/ramips/patches-4.9/0025-pinctrl-ralink-add-pinctrl-driver.patch +++ /dev/null @@ -1,524 +0,0 @@ -From 7adbe9a88c33c6e362a10b109d963b5500a21f00 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:34:05 +0100 -Subject: [PATCH 25/53] pinctrl: ralink: add pinctrl driver - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/Kconfig | 2 + - drivers/pinctrl/Kconfig | 5 + - drivers/pinctrl/Makefile | 1 + - drivers/pinctrl/pinctrl-rt2880.c | 474 ++++++++++++++++++++++++++++++++++++++ - 4 files changed, 482 insertions(+) - create mode 100644 drivers/pinctrl/pinctrl-rt2880.c - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -619,6 +619,8 @@ 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/drivers/pinctrl/Kconfig -+++ b/drivers/pinctrl/Kconfig -@@ -116,6 +116,11 @@ config PINCTRL_LPC18XX - help - Pinctrl driver for NXP LPC18xx/43xx System Control Unit (SCU). - -+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 -@@ -23,6 +23,7 @@ obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl- - obj-$(CONFIG_PINCTRL_PIC32) += pinctrl-pic32.o - obj-$(CONFIG_PINCTRL_PISTACHIO) += pinctrl-pistachio.o - obj-$(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_ARCH_TEGRA) += tegra/ ---- /dev/null -+++ b/drivers/pinctrl/pinctrl-rt2880.c -@@ -0,0 +1,472 @@ -+/* -+ * 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 -+#define SYSC_REG_GPIO_MODE2 0x64 -+ -+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; -+}; -+ -+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 -EINVAL; -+ -+ *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; -+ u32 reg = SYSC_REG_GPIO_MODE; -+ int i; -+ int shift; -+ -+ /* 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; -+ -+ shift = p->groups[group].shift; -+ if (shift >= 32) { -+ shift -= 32; -+ reg = SYSC_REG_GPIO_MODE2; -+ } -+ mode = rt_sysc_r32(reg); -+ mode &= ~(p->groups[group].mask << 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 << 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 << shift; -+ } -+ rt_sysc_w32(mode, reg); -+ -+ 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-4.9/0026-DT-Add-documentation-for-gpio-ralink.patch b/target/linux/ramips/patches-4.9/0026-DT-Add-documentation-for-gpio-ralink.patch deleted file mode 100644 index 7d5f98f647..0000000000 --- a/target/linux/ramips/patches-4.9/0026-DT-Add-documentation-for-gpio-ralink.patch +++ /dev/null @@ -1,59 +0,0 @@ -From d410e5478c622c01fcf31427533df5f433df9146 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 28 Jul 2013 19:45:30 +0200 -Subject: [PATCH 26/53] 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-4.9/0027-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch b/target/linux/ramips/patches-4.9/0027-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch deleted file mode 100644 index 83f0d9769b..0000000000 --- a/target/linux/ramips/patches-4.9/0027-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch +++ /dev/null @@ -1,430 +0,0 @@ -From 69fdd2c4f937796b934e89c33acde9d082e27bfd Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 4 Aug 2014 20:36:29 +0200 -Subject: [PATCH 27/53] 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 | 355 ++++++++++++++++++++++++++++++ - 4 files changed, 386 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 -@@ -369,6 +369,12 @@ config GPIO_RCAR - help - Say yes here to support GPIO on Renesas R-Car SoCs. - -+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 -@@ -91,6 +91,7 @@ obj-$(CONFIG_GPIO_PCH) += gpio-pch.o - obj-$(CONFIG_GPIO_PISOSR) += gpio-pisosr.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(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.parent, "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.parent, "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.parent = &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-4.9/0028-GPIO-ralink-add-mt7621-gpio-controller.patch b/target/linux/ramips/patches-4.9/0028-GPIO-ralink-add-mt7621-gpio-controller.patch deleted file mode 100644 index 3b84aefd08..0000000000 --- a/target/linux/ramips/patches-4.9/0028-GPIO-ralink-add-mt7621-gpio-controller.patch +++ /dev/null @@ -1,405 +0,0 @@ -From 61ac7d9b4228de8c332900902c2b93189b042eab Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 11:00:32 +0100 -Subject: [PATCH 28/53] 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 | 354 ++++++++++++++++++++++++++++++++++++++++++++ - 4 files changed, 364 insertions(+) - create mode 100644 drivers/gpio/gpio-mt7621.c - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -621,6 +621,9 @@ 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 -@@ -270,6 +270,12 @@ config GPIO_MENZ127 - help - Say yes here to support the MEN 16Z127 GPIO Controller - -+config GPIO_MT7621 -+ bool "Mediatek GPIO Support" -+ depends on SOC_MT7620 || SOC_MT7621 -+ help -+ Say yes here to support the Mediatek SoC GPIO device -+ - config GPIO_MM_LANTIQ - bool "Lantiq Memory mapped GPIOs" - depends on LANTIQ && SOC_XWAY ---- a/drivers/gpio/Makefile -+++ b/drivers/gpio/Makefile -@@ -142,3 +142,4 @@ obj-$(CONFIG_GPIO_ZEVIO) += gpio-zevio.o - obj-$(CONFIG_GPIO_ZYNQ) += gpio-zynq.o - obj-$(CONFIG_GPIO_ZX) += gpio-zx.o - obj-$(CONFIG_GPIO_LOONGSON1) += gpio-loongson1.o -+obj-$(CONFIG_GPIO_MT7621) += gpio-mt7621.o ---- /dev/null -+++ b/drivers/gpio/gpio-mt7621.c -@@ -0,0 +1,354 @@ -+/* -+ * 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_MAX_BANK 3 -+#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, -+ GPIO_REG_REDGE, -+ GPIO_REG_FEDGE, -+ GPIO_REG_HLVL, -+ GPIO_REG_LLVL, -+ GPIO_REG_STAT, -+ GPIO_REG_EDGE, -+}; -+ -+static void __iomem *mediatek_gpio_membase; -+static int mediatek_gpio_irq; -+static struct irq_domain *mediatek_gpio_irq_domain; -+static atomic_t irq_refcount = ATOMIC_INIT(0); -+ -+struct mtk_gc { -+ struct gpio_chip chip; -+ spinlock_t lock; -+ int bank; -+ u32 rising; -+ u32 falling; -+} *gc_map[MTK_MAX_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, mediatek_gpio_membase + (reg * 0x10) + (rg->bank * 0x4)); -+} -+ -+static inline u32 -+mtk_gpio_r32(struct mtk_gc *rg, u8 reg) -+{ -+ return ioread32(mediatek_gpio_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_get_direction(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); -+ spin_unlock_irqrestore(&rg->lock, flags); -+ -+ if (t & BIT(offset)) -+ return 0; -+ -+ return 1; -+} -+ -+static int -+mediatek_gpio_to_irq(struct gpio_chip *chip, unsigned pin) -+{ -+ struct mtk_gc *rg = to_mediatek_gpio(chip); -+ -+ return irq_create_mapping(mediatek_gpio_irq_domain, pin + (rg->bank * MTK_BANK_WIDTH)); -+} -+ -+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 || be32_to_cpu(*id) > MTK_MAX_BANK) -+ return -ENOMEM; -+ -+ gc_map[be32_to_cpu(*id)] = rg; -+ -+ memset(rg, 0, sizeof(struct mtk_gc)); -+ -+ spin_lock_init(&rg->lock); -+ -+ rg->chip.parent = &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_direction = mediatek_gpio_get_direction; -+ rg->chip.get = mediatek_gpio_get; -+ rg->chip.set = mediatek_gpio_set; -+ if (mediatek_gpio_irq_domain) -+ rg->chip.to_irq = mediatek_gpio_to_irq; -+ 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 void -+mediatek_gpio_irq_handler(struct irq_desc *desc) -+{ -+ int i; -+ -+ for (i = 0; i < MTK_MAX_BANK; i++) { -+ struct mtk_gc *rg = gc_map[i]; -+ unsigned long pending; -+ int bit; -+ -+ if (!rg) -+ continue; -+ -+ pending = mtk_gpio_r32(rg, GPIO_REG_STAT); -+ -+ for_each_set_bit(bit, &pending, MTK_BANK_WIDTH) { -+ u32 map = irq_find_mapping(mediatek_gpio_irq_domain, (MTK_BANK_WIDTH * i) + bit); -+ -+ generic_handle_irq(map); -+ mtk_gpio_w32(rg, GPIO_REG_STAT, BIT(bit)); -+ } -+ } -+} -+ -+static void -+mediatek_gpio_irq_unmask(struct irq_data *d) -+{ -+ int pin = d->hwirq; -+ int bank = pin / 32; -+ struct mtk_gc *rg = gc_map[bank]; -+ unsigned long flags; -+ u32 rise, fall; -+ -+ if (!rg) -+ return; -+ -+ rise = mtk_gpio_r32(rg, GPIO_REG_REDGE); -+ fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE); -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ mtk_gpio_w32(rg, GPIO_REG_REDGE, rise | (BIT(d->hwirq) & rg->rising)); -+ mtk_gpio_w32(rg, GPIO_REG_FEDGE, fall | (BIT(d->hwirq) & rg->falling)); -+ spin_unlock_irqrestore(&rg->lock, flags); -+} -+ -+static void -+mediatek_gpio_irq_mask(struct irq_data *d) -+{ -+ int pin = d->hwirq; -+ int bank = pin / 32; -+ struct mtk_gc *rg = gc_map[bank]; -+ unsigned long flags; -+ u32 rise, fall; -+ -+ if (!rg) -+ return; -+ -+ rise = mtk_gpio_r32(rg, GPIO_REG_REDGE); -+ fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE); -+ -+ spin_lock_irqsave(&rg->lock, flags); -+ mtk_gpio_w32(rg, GPIO_REG_FEDGE, fall & ~BIT(d->hwirq)); -+ mtk_gpio_w32(rg, GPIO_REG_REDGE, rise & ~BIT(d->hwirq)); -+ spin_unlock_irqrestore(&rg->lock, flags); -+} -+ -+static int -+mediatek_gpio_irq_type(struct irq_data *d, unsigned int type) -+{ -+ int pin = d->hwirq; -+ int bank = pin / 32; -+ struct mtk_gc *rg = gc_map[bank]; -+ u32 mask = BIT(d->hwirq); -+ -+ if (!rg) -+ return -1; -+ -+ 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 mediatek_gpio_irq_chip = { -+ .name = "GPIO", -+ .irq_unmask = mediatek_gpio_irq_unmask, -+ .irq_mask = mediatek_gpio_irq_mask, -+ .irq_mask_ack = mediatek_gpio_irq_mask, -+ .irq_set_type = mediatek_gpio_irq_type, -+}; -+ -+static int -+mediatek_gpio_gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) -+{ -+ irq_set_chip_and_handler(irq, &mediatek_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 = mediatek_gpio_gpio_map, -+}; -+ -+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); -+ -+ mediatek_gpio_membase = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(mediatek_gpio_membase)) -+ return PTR_ERR(mediatek_gpio_membase); -+ -+ mediatek_gpio_irq = irq_of_parse_and_map(np, 0); -+ if (mediatek_gpio_irq) { -+ mediatek_gpio_irq_domain = irq_domain_add_linear(np, -+ MTK_MAX_BANK * MTK_BANK_WIDTH, -+ &irq_domain_ops, NULL); -+ if (!mediatek_gpio_irq_domain) -+ dev_err(&pdev->dev, "irq_domain_add_linear failed\n"); -+ } -+ -+ for_each_child_of_node(np, bank) -+ if (of_device_is_compatible(bank, "mtk,mt7621-gpio-bank")) -+ mediatek_gpio_bank_probe(pdev, bank); -+ -+ if (mediatek_gpio_irq_domain) -+ irq_set_chained_handler(mediatek_gpio_irq, mediatek_gpio_irq_handler); -+ -+ 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-4.9/0029-phy-usb-add-ralink-phy.patch b/target/linux/ramips/patches-4.9/0029-phy-usb-add-ralink-phy.patch deleted file mode 100644 index 95ba1afb79..0000000000 --- a/target/linux/ramips/patches-4.9/0029-phy-usb-add-ralink-phy.patch +++ /dev/null @@ -1,293 +0,0 @@ -From b00b5eafa7e8d059bd0ce844e66f648916953270 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 3 Jan 2016 19:11:22 +0100 -Subject: [PATCH 2/3] phy: ralink-usb: add driver for Mediatek/Ralink - -Add a driver to setup the USB phy on Mediatek/Ralink SoCs. -The driver is trivial and only sets up power and host mode. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - .../devicetree/bindings/phy/ralink-usb-phy.txt | 17 ++ - drivers/phy/Kconfig | 8 + - drivers/phy/Makefile | 1 + - drivers/phy/phy-ralink-usb.c | 171 ++++++++++++++++++++ - 4 files changed, 197 insertions(+) - create mode 100644 Documentation/devicetree/bindings/phy/ralink-usb-phy.txt - create mode 100644 drivers/phy/phy-ralink-usb.c - ---- /dev/null -+++ b/Documentation/devicetree/bindings/phy/ralink-usb-phy.txt -@@ -0,0 +1,17 @@ -+Mediatek/Ralink USB PHY -+ -+Required properties: -+ - compatible: ralink,rt3352-usbphy or mediatek,mt7620-usbphy -+ - #phy-cells: should be 0 -+ - resets: the two reset controllers for host and device -+ - reset-names: the names of the 2 reset controllers -+ -+Example: -+ -+usbphy: phy { -+ compatible = "mediatek,mt7620-usbphy"; -+ #phy-cells = <0>; -+ -+ resets = <&rstctrl 22 &rstctrl 25>; -+ reset-names = "host", "device"; -+}; ---- a/drivers/phy/Kconfig -+++ b/drivers/phy/Kconfig -@@ -429,6 +429,14 @@ config PHY_XGENE - 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 -+ help -+ This option enables support for the Ralink USB PHY found inside -+ RT3352 and MT7620. -+ - config PHY_STIH407_USB - tristate "STMicroelectronics USB2 picoPHY driver for STiH407 family" - depends on RESET_CONTROLLER ---- a/drivers/phy/Makefile -+++ b/drivers/phy/Makefile -@@ -60,3 +60,4 @@ obj-$(CONFIG_PHY_PISTACHIO_USB) += phy- - obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o - obj-$(CONFIG_ARCH_TEGRA) += tegra/ - obj-$(CONFIG_PHY_NS2_PCIE) += phy-bcm-ns2-pcie.o -+obj-$(CONFIG_PHY_RALINK_USB) += phy-ralink-usb.o ---- /dev/null -+++ b/drivers/phy/phy-ralink-usb.c -@@ -0,0 +1,228 @@ -+/* -+ * Allwinner ralink USB phy driver -+ * -+ * Copyright (C) 2016 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 OFS_U2_PHY_AC0 0x800 -+#define OFS_U2_PHY_AC1 0x804 -+#define OFS_U2_PHY_AC2 0x808 -+#define OFS_U2_PHY_ACR0 0x810 -+#define OFS_U2_PHY_ACR1 0x814 -+#define OFS_U2_PHY_ACR2 0x818 -+#define OFS_U2_PHY_ACR3 0x81C -+#define OFS_U2_PHY_ACR4 0x820 -+#define OFS_U2_PHY_AMON0 0x824 -+#define OFS_U2_PHY_DCR0 0x860 -+#define OFS_U2_PHY_DCR1 0x864 -+#define OFS_U2_PHY_DTM0 0x868 -+#define OFS_U2_PHY_DTM1 0x86C -+ -+#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) -+ -+struct ralink_usb_phy { -+ struct reset_control *rstdev; -+ struct reset_control *rsthost; -+ u32 clk; -+ struct phy *phy; -+ void __iomem *base; -+}; -+ -+static void u2_phy_w32(struct ralink_usb_phy *phy, u32 val, u32 reg) -+{ -+ iowrite32(val, phy->base + reg); -+} -+ -+static u32 u2_phy_r32(struct ralink_usb_phy *phy, u32 reg) -+{ -+ return ioread32(phy->base + reg); -+} -+ -+static void -+u2_phy_init(struct ralink_usb_phy *phy) -+{ -+ u2_phy_r32(phy, OFS_U2_PHY_AC2); -+ u2_phy_r32(phy, OFS_U2_PHY_ACR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ -+ u2_phy_w32(phy, 0x00ffff02, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x00555502, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x00aaaa02, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x00000402, OFS_U2_PHY_DCR0); -+ u2_phy_r32(phy, OFS_U2_PHY_DCR0); -+ u2_phy_w32(phy, 0x0048086a, OFS_U2_PHY_AC0); -+ u2_phy_w32(phy, 0x4400001c, OFS_U2_PHY_AC1); -+ u2_phy_w32(phy, 0xc0200000, OFS_U2_PHY_ACR3); -+ u2_phy_w32(phy, 0x02000000, OFS_U2_PHY_DTM0); -+} -+ -+static int ralink_usb_phy_power_on(struct phy *_phy) -+{ -+ struct ralink_usb_phy *phy = phy_get_drvdata(_phy); -+ u32 t; -+ -+ /* enable the phy */ -+ rt_sysc_m32(0, phy->clk, RT_SYSC_REG_CLKCFG1); -+ -+ /* setup host mode */ -+ rt_sysc_m32(0, RT_SYSCFG1_USB0_HOST_MODE, RT_SYSC_REG_SYSCFG1); -+ -+ /* deassert the reset lines */ -+ reset_control_deassert(phy->rsthost); -+ reset_control_deassert(phy->rstdev); -+ -+ /* -+ * The SDK kernel had a delay of 100ms. however on device -+ * testing showed that 10ms is enough -+ */ -+ mdelay(10); -+ -+ if (!IS_ERR(phy->base)) -+ u2_phy_init(phy); -+ -+ /* print some status info */ -+ t = rt_sysc_r32(RT_SYSC_REG_USB_PHY_CFG); -+ dev_info(&phy->phy->dev, "remote usb device wakeup %s\n", -+ (t & UDEV_WAKEUP) ? ("enabled") : ("disabled")); -+ if (t & USB_PHY_UTMI_8B60M) -+ dev_info(&phy->phy->dev, "UTMI 8bit 60MHz\n"); -+ else -+ dev_info(&phy->phy->dev, "UTMI 16bit 30MHz\n"); -+ -+ return 0; -+} -+ -+static int ralink_usb_phy_power_off(struct phy *_phy) -+{ -+ struct ralink_usb_phy *phy = phy_get_drvdata(_phy); -+ -+ /* assert the reset lines */ -+ reset_control_assert(phy->rstdev); -+ reset_control_assert(phy->rsthost); -+ -+ /* disable the phy */ -+ rt_sysc_m32(phy->clk, 0, RT_SYSC_REG_CLKCFG1); -+ -+ return 0; -+} -+ -+static struct phy_ops ralink_usb_phy_ops = { -+ .power_on = ralink_usb_phy_power_on, -+ .power_off = ralink_usb_phy_power_off, -+ .owner = THIS_MODULE, -+}; -+ -+static const struct of_device_id ralink_usb_phy_of_match[] = { -+ { -+ .compatible = "ralink,rt3352-usbphy", -+ .data = (void *) (RT_CLKCFG1_UPHY1_CLK_EN | -+ RT_CLKCFG1_UPHY0_CLK_EN) -+ }, -+ { -+ .compatible = "mediatek,mt7620-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 resource *res; -+ struct device *dev = &pdev->dev; -+ struct phy_provider *phy_provider; -+ const struct of_device_id *match; -+ struct ralink_usb_phy *phy; -+ -+ phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); -+ if (!phy) -+ return -ENOMEM; -+ -+ match = of_match_device(ralink_usb_phy_of_match, &pdev->dev); -+ if (!match) -+ return -ENODEV; -+ -+ phy->clk = (int) match->data; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ phy->base = devm_ioremap_resource(&pdev->dev, res); -+ -+ phy->rsthost = devm_reset_control_get(&pdev->dev, "host"); -+ if (IS_ERR(phy->rsthost)) { -+ dev_err(dev, "host reset is missing\n"); -+ return PTR_ERR(phy->rsthost); -+ } -+ -+ phy->rstdev = devm_reset_control_get(&pdev->dev, "device"); -+ if (IS_ERR(phy->rstdev)) { -+ dev_err(dev, "device reset is missing\n"); -+ return PTR_ERR(phy->rstdev); -+ } -+ -+ phy->phy = devm_phy_create(dev, NULL, &ralink_usb_phy_ops); -+ if (IS_ERR(phy->phy)) { -+ dev_err(dev, "failed to create PHY\n"); -+ return PTR_ERR(phy->phy); -+ } -+ phy_set_drvdata(phy->phy, phy); -+ -+ phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); -+ -+ 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-4.9/0031-uvc-add-iPassion-iP2970-support.patch b/target/linux/ramips/patches-4.9/0031-uvc-add-iPassion-iP2970-support.patch deleted file mode 100644 index 2a0d57571f..0000000000 --- a/target/linux/ramips/patches-4.9/0031-uvc-add-iPassion-iP2970-support.patch +++ /dev/null @@ -1,246 +0,0 @@ -From 975e76214cd2516eb6cfff4c3eec581872645e88 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 19 Sep 2013 01:50:59 +0200 -Subject: [PATCH 31/53] uvc: add iPassion iP2970 support - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/media/usb/uvc/uvc_driver.c | 12 +++ - drivers/media/usb/uvc/uvc_status.c | 2 + - drivers/media/usb/uvc/uvc_video.c | 147 ++++++++++++++++++++++++++++++++++++ - drivers/media/usb/uvc/uvcvideo.h | 5 +- - 4 files changed, 165 insertions(+), 1 deletion(-) - ---- a/drivers/media/usb/uvc/uvc_driver.c -+++ b/drivers/media/usb/uvc/uvc_driver.c -@@ -2670,6 +2670,18 @@ static struct usb_device_id uvc_ids[] = - .bInterfaceSubClass = 1, - .bInterfaceProtocol = 0, - .driver_info = UVC_QUIRK_FORCE_Y8 }, -+ /* 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, UVC_PC_PROTOCOL_UNDEFINED) }, - { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) }, ---- 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> - -@@ -1087,9 +1092,149 @@ 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"); -@@ -1503,6 +1648,8 @@ 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 -@@ -164,7 +164,9 @@ - #define UVC_QUIRK_RESTRICT_FRAME_RATE 0x00000200 - #define UVC_QUIRK_RESTORE_CTRLS_ON_INIT 0x00000400 - #define UVC_QUIRK_FORCE_Y8 0x00000800 -- -+#define UVC_QUIRK_MOTION 0x00001000 -+#define UVC_QUIRK_SINGLE_ISO 0x00002000 -+ - /* Format flags */ - #define UVC_FMT_FLAG_COMPRESSED 0x00000001 - #define UVC_FMT_FLAG_STREAM 0x00000002 -@@ -562,6 +564,7 @@ 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-4.9/0032-USB-dwc2-add-device_reset.patch b/target/linux/ramips/patches-4.9/0032-USB-dwc2-add-device_reset.patch deleted file mode 100644 index 6f7bffc65f..0000000000 --- a/target/linux/ramips/patches-4.9/0032-USB-dwc2-add-device_reset.patch +++ /dev/null @@ -1,29 +0,0 @@ -From a758e0870c6d1e4b0272f6e7f9efa9face5534bb Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:49:07 +0100 -Subject: [PATCH 32/53] USB: dwc2: add device_reset() - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/usb/dwc2/hcd.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- 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> -@@ -4983,6 +4984,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hso - - retval = -ENOMEM; - -+ device_reset(hsotg->dev); -+ - hcfg = dwc2_readl(hsotg->regs + HCFG); - dev_dbg(hsotg->dev, "hcfg=%08x\n", hcfg); - diff --git a/target/linux/ramips/patches-4.9/0034-NET-multi-phy-support.patch b/target/linux/ramips/patches-4.9/0034-NET-multi-phy-support.patch deleted file mode 100644 index 4d7f590285..0000000000 --- a/target/linux/ramips/patches-4.9/0034-NET-multi-phy-support.patch +++ /dev/null @@ -1,53 +0,0 @@ -From 0b6eb1e68290243d439ee330ea8d0b239a5aec69 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:38:50 +0100 -Subject: [PATCH 34/53] 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 -@@ -1032,7 +1032,8 @@ 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; - } -@@ -1124,7 +1125,8 @@ 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); -@@ -1136,7 +1138,8 @@ 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 -@@ -369,6 +369,7 @@ struct phy_device { - bool is_pseudo_fixed_link; - bool has_fixups; - bool suspended; -+ bool no_auto_carrier_off; - - enum phy_state state; - diff --git a/target/linux/ramips/patches-4.9/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch b/target/linux/ramips/patches-4.9/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch deleted file mode 100644 index 22e56be546..0000000000 --- a/target/linux/ramips/patches-4.9/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch +++ /dev/null @@ -1,29 +0,0 @@ -From 8e72a3a1be8f6328bd7ef491332ba541547b6086 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 15 Jul 2013 00:38:51 +0200 -Subject: [PATCH 36/53] 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 -@@ -2289,7 +2289,7 @@ 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)) { -@@ -2378,7 +2378,7 @@ 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-4.9/0037-mtd-cfi-cmdset-0002-force-word-write.patch b/target/linux/ramips/patches-4.9/0037-mtd-cfi-cmdset-0002-force-word-write.patch deleted file mode 100644 index ed3b36e586..0000000000 --- a/target/linux/ramips/patches-4.9/0037-mtd-cfi-cmdset-0002-force-word-write.patch +++ /dev/null @@ -1,70 +0,0 @@ -From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 15 Jul 2013 00:39:21 +0200 -Subject: [PATCH 37/53] 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) -@@ -1787,6 +1791,7 @@ 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) -@@ -1915,7 +1920,6 @@ 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) - { -@@ -1990,6 +1994,7 @@ 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-4.9/0039-mtd-add-mt7621-nand-support.patch b/target/linux/ramips/patches-4.9/0039-mtd-add-mt7621-nand-support.patch deleted file mode 100644 index 9239581cd7..0000000000 --- a/target/linux/ramips/patches-4.9/0039-mtd-add-mt7621-nand-support.patch +++ /dev/null @@ -1,4479 +0,0 @@ -From 0e1c4e3c97b83b4e7da65b1c56f0a7d40736ac53 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 11:05:17 +0100 -Subject: [PATCH 39/53] 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_nand2.c | 2304 +++++++++++++++++++++++++++++++++++ - drivers/mtd/nand/mtk_nand2.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_nand2.c - create mode 100644 drivers/mtd/nand/mtk_nand2.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 -@@ -569,4 +569,10 @@ config MTD_NAND_MTK - Enables support for NAND controller on MTK SoCs. - This controller is found on mt27xx, mt81xx, mt65xx SoCs. - -+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 -@@ -58,5 +58,6 @@ obj-$(CONFIG_MTD_NAND_HISI504) + - obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/ - obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nandc.o - obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o mtk_ecc.o -+obj-$(CONFIG_MTK_MTD_NAND) += mtk_nand2.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_nand2.h" -+ -+#elif defined(__KERNEL_NAND__) -+ -+#include <linux/mtd/mtd.h> -+#include <linux/mtd/nand.h> -+#include <linux/module.h> -+#include "mtk_nand2.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_nand2.c -@@ -0,0 +1,2363 @@ -+/****************************************************************************** -+* mtk_nand2.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_nand2.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; -+ -+/* this constant was taken from linux/nand/nand.h v 3.14 -+ * in later versions it seems it was removed in order to save a bit of space -+ */ -+#define NAND_MAX_OOBSIZE 774 -+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"); -+} -+ -+struct nand_ecclayout { -+ __u32 eccbytes; -+ __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE]; -+ __u32 oobavail; -+ struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE]; -+}; -+ -+static struct nand_ecclayout *layout; -+ -+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"mtk_nand: 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 void mtk_nfc_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl) -+{ -+ if (ctrl & NAND_ALE) { -+ mtk_nand_set_address(dat, 0, 1, 0); -+ } else if (ctrl & NAND_CLE) { -+ mtk_nand_reset(); -+ mtk_nand_set_mode(0x6000); -+ mtk_nand_set_command(dat); -+ } -+} -+ -+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 = 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, int page) -+{ -+ 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(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 < 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[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 < 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[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) -+{ -+ struct nand_chip *chip = (struct nand_chip *)mtd->priv; -+ int block = (int)ofs >> chip->phys_erase_shift; -+ int mapped_block = block; -+ int ret; -+ -+#if defined(MTK_NAND_BMT) -+ mapped_block = get_mapping_block_index(block); -+#else -+ if (shift_on_bbt) { -+ mapped_block = block_remap(mtd, block); -+ } -+#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 -+ -+ 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 oob_mtk_ooblayout_ecc(struct mtd_info *mtd, int section, -+ struct mtd_oob_region *oobregion) -+{ -+ oobregion->length = 8; -+ oobregion->offset = layout->eccpos[section * 8]; -+ -+ return 0; -+} -+ -+static int oob_mtk_ooblayout_free(struct mtd_info *mtd, int section, -+ struct mtd_oob_region *oobregion) -+{ -+ if (section >= (layout->eccbytes / 8)) { -+ return -ERANGE; -+ } -+ oobregion->offset = layout->oobfree[section].offset; -+ oobregion->length = layout->oobfree[section].length; -+ -+ return 0; -+} -+ -+ -+static const struct mtd_ooblayout_ops oob_mtk_ops = { -+ .ecc = oob_mtk_ooblayout_ecc, -+ .free = oob_mtk_ooblayout_free, -+}; -+ -+static int -+mtk_nand_probe(struct platform_device *pdev) -+{ -+ struct mtd_part_parser_data ppdata; -+ struct mtk_nand_host_hw *hw; -+ struct nand_chip *nand_chip; -+ struct mtd_info *mtd; -+ 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 = &nand_chip->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; -+ -+ mtd_set_ooblayout(mtd, &oob_mtk_ops); -+ 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 = 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; -+ nand_chip->cmd_ctrl = mtk_nfc_cmd_ctrl; -+ -+ //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->cmd_ctrl = mtk_nfc_cmd_ctrl; -+ -+ /* allocate buffers or call select_chip here or a bit earlier*/ -+ { -+ struct nand_buffers *nbuf = kzalloc(sizeof(*nbuf) + mtd->writesize + mtd->oobsize * 3, GFP_KERNEL); -+ if (!nbuf) { -+ return -ENOMEM; -+ } -+ nbuf->ecccalc = (uint8_t *)(nbuf + 1); -+ nbuf->ecccode = nbuf->ecccalc + mtd->oobsize; -+ nbuf->databuf = nbuf->ecccode + mtd->oobsize; -+ -+ nand_chip->buffers = nbuf; -+ nand_chip->options |= NAND_OWN_BUFFERS; -+ } -+ -+ nand_chip->oob_poi = nand_chip->buffers->databuf + mtd->writesize; -+ nand_chip->badblockpos = 0; -+ -+ if (devinfo.pagesize == 4096) -+ layout = &nand_oob_128; -+ else if (devinfo.pagesize == 2048) -+ layout = &nand_oob_64; -+ else if (devinfo.pagesize == 512) -+ layout = &nand_oob_16; -+ -+ layout->eccbytes = devinfo.sparesize-OOB_AVAI_PER_SECTOR*(devinfo.pagesize/NAND_SECTOR_SIZE); -+ for (i = 0; i < layout->eccbytes; i++) -+ 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 -+ -+ nand_set_flash_node(nand_chip, 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); -+ if ( NULL != nand_chip->buffers) { -+ kfree(nand_chip->buffers); -+ } -+ 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; -+ struct nand_chip *nand_chip = &host->nand_chip; -+ -+ nand_release(mtd); -+ if ( NULL != nand_chip->buffers) { -+ kfree(nand_chip->buffers); -+ } -+ 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_nand2.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 -@@ -47,7 +47,7 @@ - #include <linux/mtd/partitions.h> - #include <linux/of.h> - --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); -@@ -239,7 +239,7 @@ 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_to_nand(mtd); - -@@ -926,7 +926,7 @@ 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_to_nand(mtd); ---- a/drivers/mtd/nand/nand_bbt.c -+++ b/drivers/mtd/nand/nand_bbt.c -@@ -1215,6 +1215,25 @@ err: - return res; - } - -+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; -+} -+ - /** - * nand_update_bbt - update bad block table(s) - * @mtd: MTD device structure ---- /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 +1,56 @@ -+/* 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}, -+ {0x2CDA, 0x909506, 5, 8, 256, 128, 2048, 64, 0x30C77fff, "MT29F2G08ABAE", 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-4.9/0040-nand-hack.patch b/target/linux/ramips/patches-4.9/0040-nand-hack.patch deleted file mode 100644 index c3e358cd0b..0000000000 --- a/target/linux/ramips/patches-4.9/0040-nand-hack.patch +++ /dev/null @@ -1,65 +0,0 @@ ---- a/drivers/mtd/nand/nand_base.c -+++ b/drivers/mtd/nand/nand_base.c -@@ -2027,6 +2027,9 @@ static int nand_do_read_ops(struct mtd_i - __func__, buf); - - read_retry: -+#ifdef CONFIG_MTK_MTD_NAND -+ ret = chip->read_page(mtd, chip, bufpoi, page); -+#else - chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page); - - /* -@@ -2045,6 +2048,7 @@ read_retry: - else - ret = chip->ecc.read_page(mtd, chip, bufpoi, - oob_required, page); -+#endif - if (ret < 0) { - if (use_bufpoi) - /* Invalidate page cache */ -@@ -3214,8 +3218,11 @@ int nand_erase_nand(struct mtd_info *mtd - (page + pages_per_block)) - chip->pagebuf = -1; - -+#ifdef CONFIG_MTK_MTD_NAND -+ status = chip->erase_mtk(mtd, page & chip->pagemask); -+#else - status = chip->erase(mtd, page & chip->pagemask); -- -+#endif - /* - * See if operation failed and additional status checks are - * available -@@ -4409,6 +4416,7 @@ int nand_scan_ident(struct mtd_info *mtd - * cmdfunc() both expect cmd_ctrl() to be populated, - * so we need to check that that's the case - */ -+ printk("%s:%s[%d]%p %p %p\n", __FILE__, __func__, __LINE__, chip->cmdfunc, chip->select_chip, chip->cmd_ctrl); - pr_err("chip.cmd_ctrl() callback is not provided"); - return -EINVAL; - } ---- a/drivers/mtd/nand/nand_device_list.h -+++ b/drivers/mtd/nand/nand_device_list.h -@@ -44,6 +44,8 @@ static const flashdev_info gen_FlashTabl - {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}, -+ {0xC8DA, 0x909544, 5, 8, 256, 128, 2048, 64, 0x30C77fff, "F59L2G81A", 0}, -+ {0xC8DC, 0x909554, 5, 8, 512, 128, 2048, 64, 0x30C77fff, "F59L4G81A", 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}, ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -825,6 +825,10 @@ struct nand_chip { - const struct nand_data_interface *conf, - bool check_only); - -+#ifdef CONFIG_MTK_MTD_NAND -+ int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip, u8 *buf, int page); -+ int (*erase_mtk)(struct mtd_info *mtd, int page); -+#endif /* CONFIG_MTK_MTD_NAND */ - - int chip_delay; - unsigned int options; diff --git a/target/linux/ramips/patches-4.9/0041-DT-Add-documentation-for-spi-rt2880.patch b/target/linux/ramips/patches-4.9/0041-DT-Add-documentation-for-spi-rt2880.patch deleted file mode 100644 index e2643e3f25..0000000000 --- a/target/linux/ramips/patches-4.9/0041-DT-Add-documentation-for-spi-rt2880.patch +++ /dev/null @@ -1,44 +0,0 @@ -From da6015e7f19d749f135f7ac55c4ec47b06faa868 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 9 Aug 2013 20:12:59 +0200 -Subject: [PATCH 41/53] 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-4.9/0042-SPI-ralink-add-Ralink-SoC-spi-driver.patch b/target/linux/ramips/patches-4.9/0042-SPI-ralink-add-Ralink-SoC-spi-driver.patch deleted file mode 100644 index 3150dd8382..0000000000 --- a/target/linux/ramips/patches-4.9/0042-SPI-ralink-add-Ralink-SoC-spi-driver.patch +++ /dev/null @@ -1,574 +0,0 @@ -From 683af4ebb91a1600df1946ac4769d916b8a1be65 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 11:15:12 +0100 -Subject: [PATCH 42/53] 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 | 530 ++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 537 insertions(+) - create mode 100644 drivers/spi/spi-rt2880.c - ---- a/drivers/spi/Kconfig -+++ b/drivers/spi/Kconfig -@@ -534,6 +534,12 @@ 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 -@@ -76,6 +76,7 @@ obj-$(CONFIG_SPI_QUP) += spi-qup.o - obj-$(CONFIG_SPI_ROCKCHIP) += spi-rockchip.o - obj-$(CONFIG_SPI_RB4XX) += spi-rb4xx.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 +1,530 @@ -+/* -+ * 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> -+#include <linux/gpio.h> -+ -+#define DRIVER_NAME "spi-rt2880" -+ -+#define RAMIPS_SPI_STAT 0x00 -+#define RAMIPS_SPI_CFG 0x10 -+#define RAMIPS_SPI_CTL 0x14 -+#define RAMIPS_SPI_DATA 0x20 -+#define RAMIPS_SPI_ADDR 0x24 -+#define RAMIPS_SPI_BS 0x28 -+#define RAMIPS_SPI_USER 0x2C -+#define RAMIPS_SPI_TXFIFO 0x30 -+#define RAMIPS_SPI_RXFIFO 0x34 -+#define RAMIPS_SPI_FIFO_STAT 0x38 -+#define RAMIPS_SPI_MODE 0x3C -+#define RAMIPS_SPI_DEV_OFFSET 0x40 -+#define RAMIPS_SPI_DMA 0x80 -+#define RAMIPS_SPI_DMASTAT 0x84 -+#define RAMIPS_SPI_ARBITER 0xF0 -+ -+/* SPISTAT register bit field */ -+#define SPISTAT_BUSY BIT(0) -+ -+/* SPICFG register bit field */ -+#define SPICFG_ADDRMODE BIT(12) -+#define SPICFG_RXENVDIS BIT(11) -+#define SPICFG_RXCAP BIT(10) -+#define SPICFG_SPIENMODE BIT(9) -+#define SPICFG_MSBFIRST BIT(8) -+#define SPICFG_SPICLKPOL BIT(6) -+#define SPICFG_RXCLKEDGE_FALLING BIT(5) -+#define SPICFG_TXCLKEDGE_FALLING BIT(4) -+#define SPICFG_HIZSPI BIT(3) -+#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_START BIT(4) -+#define SPICTL_HIZSDO BIT(3) -+#define SPICTL_STARTWR BIT(2) -+#define SPICTL_STARTRD BIT(1) -+#define SPICTL_SPIENA BIT(0) -+ -+/* SPIUSER register bit field */ -+#define SPIUSER_USERMODE BIT(21) -+#define SPIUSER_INSTR_PHASE BIT(20) -+#define SPIUSER_ADDR_PHASE_MASK 0x7 -+#define SPIUSER_ADDR_PHASE_OFFSET 17 -+#define SPIUSER_MODE_PHASE BIT(16) -+#define SPIUSER_DUMMY_PHASE_MASK 0x3 -+#define SPIUSER_DUMMY_PHASE_OFFSET 14 -+#define SPIUSER_DATA_PHASE_MASK 0x3 -+#define SPIUSER_DATA_PHASE_OFFSET 12 -+#define SPIUSER_DATA_READ (BIT(0) << SPIUSER_DATA_PHASE_OFFSET) -+#define SPIUSER_DATA_WRITE (BIT(1) << SPIUSER_DATA_PHASE_OFFSET) -+#define SPIUSER_ADDR_TYPE_OFFSET 9 -+#define SPIUSER_MODE_TYPE_OFFSET 6 -+#define SPIUSER_DUMMY_TYPE_OFFSET 3 -+#define SPIUSER_DATA_TYPE_OFFSET 0 -+#define SPIUSER_TRANSFER_MASK 0x7 -+#define SPIUSER_TRANSFER_SINGLE BIT(0) -+#define SPIUSER_TRANSFER_DUAL BIT(1) -+#define SPIUSER_TRANSFER_QUAD BIT(2) -+ -+#define SPIUSER_TRANSFER_TYPE(type) ( \ -+ (type << SPIUSER_ADDR_TYPE_OFFSET) | \ -+ (type << SPIUSER_MODE_TYPE_OFFSET) | \ -+ (type << SPIUSER_DUMMY_TYPE_OFFSET) | \ -+ (type << SPIUSER_DATA_TYPE_OFFSET) \ -+) -+ -+/* SPIFIFOSTAT register bit field */ -+#define SPIFIFOSTAT_TXEMPTY BIT(19) -+#define SPIFIFOSTAT_RXEMPTY BIT(18) -+#define SPIFIFOSTAT_TXFULL BIT(17) -+#define SPIFIFOSTAT_RXFULL BIT(16) -+#define SPIFIFOSTAT_FIFO_MASK 0xff -+#define SPIFIFOSTAT_TX_OFFSET 8 -+#define SPIFIFOSTAT_RX_OFFSET 0 -+ -+#define SPI_FIFO_DEPTH 16 -+ -+/* SPIMODE register bit field */ -+#define SPIMODE_MODE_OFFSET 24 -+#define SPIMODE_DUMMY_OFFSET 0 -+ -+/* SPIARB register bit field */ -+#define SPICTL_ARB_EN BIT(31) -+#define SPICTL_CSCTL1 BIT(16) -+#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) -+ -+static atomic_t hw_reset_count = ATOMIC_INIT(0); -+ -+struct rt2880_spi { -+ struct spi_master *master; -+ void __iomem *base; -+ u32 speed; -+ u16 wait_loops; -+ u16 mode; -+ struct clk *clk; -+}; -+ -+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, -+ const 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; -+ -+ iowrite32((ioread32(addr) | mask), addr); -+} -+ -+static inline void rt2880_spi_clrbits(struct rt2880_spi *rs, u32 reg, u32 mask) -+{ -+ void __iomem *addr = rs->base + reg; -+ -+ iowrite32((ioread32(addr) & ~mask), addr); -+} -+ -+static u32 rt2880_spi_baudrate_get(struct spi_device *spi, unsigned int speed) -+{ -+ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); -+ u32 rate; -+ u32 prescale; -+ -+ /* -+ * the supported rates are: 2, 4, 8, ... 128 -+ * round up as we look for equal or less speed -+ */ -+ rate = DIV_ROUND_UP(clk_get_rate(rs->clk), speed); -+ rate = roundup_pow_of_two(rate); -+ -+ /* Convert the rate to SPI clock divisor value. */ -+ prescale = ilog2(rate / 2); -+ -+ /* some tolerance. double and add 100 */ -+ rs->wait_loops = (8 * HZ * loops_per_jiffy) / -+ (clk_get_rate(rs->clk) / rate); -+ rs->wait_loops = (rs->wait_loops << 1) + 100; -+ rs->speed = speed; -+ -+ dev_dbg(&spi->dev, "speed: %lu/%u, rate: %u, prescal: %u, loops: %hu\n", -+ clk_get_rate(rs->clk) / rate, speed, rate, prescale, -+ rs->wait_loops); -+ -+ return prescale; -+} -+ -+static u32 get_arbiter_offset(struct spi_master *master) -+{ -+ u32 offset; -+ -+ offset = RAMIPS_SPI_ARBITER; -+ if (master->bus_num == 1) -+ offset -= RAMIPS_SPI_DEV_OFFSET; -+ -+ return offset; -+} -+ -+static void rt2880_spi_set_cs(struct spi_device *spi, bool enable) -+{ -+ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); -+ -+ if (enable) -+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); -+ else -+ rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); -+} -+ -+static int rt2880_spi_wait_ready(struct rt2880_spi *rs, int len) -+{ -+ int loop = rs->wait_loops * len; -+ -+ while ((rt2880_spi_read(rs, RAMIPS_SPI_STAT) & SPISTAT_BUSY) && --loop) -+ cpu_relax(); -+ -+ if (loop) -+ return 0; -+ -+ return -ETIMEDOUT; -+} -+ -+static void rt2880_dump_reg(struct spi_master *master) -+{ -+ struct rt2880_spi *rs = spi_master_get_devdata(master); -+ -+ dev_dbg(&master->dev, "stat: %08x, cfg: %08x, ctl: %08x, " \ -+ "data: %08x, arb: %08x\n", -+ rt2880_spi_read(rs, RAMIPS_SPI_STAT), -+ rt2880_spi_read(rs, RAMIPS_SPI_CFG), -+ rt2880_spi_read(rs, RAMIPS_SPI_CTL), -+ rt2880_spi_read(rs, RAMIPS_SPI_DATA), -+ rt2880_spi_read(rs, get_arbiter_offset(master))); -+} -+ -+static int rt2880_spi_transfer_one(struct spi_master *master, -+ struct spi_device *spi, struct spi_transfer *xfer) -+{ -+ struct rt2880_spi *rs = spi_master_get_devdata(master); -+ unsigned len; -+ const u8 *tx = xfer->tx_buf; -+ u8 *rx = xfer->rx_buf; -+ int err = 0; -+ -+ /* change clock speed */ -+ if (unlikely(rs->speed != xfer->speed_hz)) { -+ u32 reg; -+ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG); -+ reg &= ~SPICFG_SPICLK_PRESCALE_MASK; -+ reg |= rt2880_spi_baudrate_get(spi, xfer->speed_hz); -+ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg); -+ } -+ -+ if (tx) { -+ len = xfer->len; -+ while (len-- > 0) { -+ rt2880_spi_write(rs, RAMIPS_SPI_DATA, *tx++); -+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTWR); -+ err = rt2880_spi_wait_ready(rs, 1); -+ if (err) { -+ dev_err(&spi->dev, "TX failed, err=%d\n", err); -+ goto out; -+ } -+ } -+ } -+ -+ if (rx) { -+ len = xfer->len; -+ while (len-- > 0) { -+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTRD); -+ err = rt2880_spi_wait_ready(rs, 1); -+ if (err) { -+ dev_err(&spi->dev, "RX failed, err=%d\n", err); -+ goto out; -+ } -+ *rx++ = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA); -+ } -+ } -+ -+out: -+ return err; -+} -+ -+/* copy from spi.c */ -+static void spi_set_cs(struct spi_device *spi, bool enable) -+{ -+ if (spi->mode & SPI_CS_HIGH) -+ enable = !enable; -+ -+ if (spi->cs_gpio >= 0) -+ gpio_set_value(spi->cs_gpio, !enable); -+ else if (spi->master->set_cs) -+ spi->master->set_cs(spi, !enable); -+} -+ -+static int rt2880_spi_setup(struct spi_device *spi) -+{ -+ struct spi_master *master = spi->master; -+ struct rt2880_spi *rs = spi_master_get_devdata(master); -+ u32 reg, old_reg, arbit_off; -+ -+ if ((spi->max_speed_hz > master->max_speed_hz) || -+ (spi->max_speed_hz < master->min_speed_hz)) { -+ dev_err(&spi->dev, "invalide requested speed %d Hz\n", -+ spi->max_speed_hz); -+ return -EINVAL; -+ } -+ -+ if (!(master->bits_per_word_mask & -+ BIT(spi->bits_per_word - 1))) { -+ dev_err(&spi->dev, "invalide bits_per_word %d\n", -+ spi->bits_per_word); -+ return -EINVAL; -+ } -+ -+ /* the hardware seems can't work on mode0 force it to mode3 */ -+ if ((spi->mode & (SPI_CPOL | SPI_CPHA)) == SPI_MODE_0) { -+ dev_warn(&spi->dev, "force spi mode3\n"); -+ spi->mode |= SPI_MODE_3; -+ } -+ -+ /* chip polarity */ -+ arbit_off = get_arbiter_offset(master); -+ reg = old_reg = rt2880_spi_read(rs, arbit_off); -+ if (spi->mode & SPI_CS_HIGH) { -+ switch (master->bus_num) { -+ case 1: -+ reg |= SPI1_POR; -+ break; -+ default: -+ reg |= SPI0_POR; -+ break; -+ } -+ } else { -+ switch (master->bus_num) { -+ case 1: -+ reg &= ~SPI1_POR; -+ break; -+ default: -+ reg &= ~SPI0_POR; -+ break; -+ } -+ } -+ -+ /* enable spi1 */ -+ if (master->bus_num == 1) -+ reg |= SPICTL_ARB_EN; -+ -+ if (reg != old_reg) -+ rt2880_spi_write(rs, arbit_off, reg); -+ -+ /* deselected the spi device */ -+ spi_set_cs(spi, false); -+ -+ rt2880_dump_reg(master); -+ -+ return 0; -+} -+ -+static int rt2880_spi_prepare_message(struct spi_master *master, -+ struct spi_message *msg) -+{ -+ struct rt2880_spi *rs = spi_master_get_devdata(master); -+ struct spi_device *spi = msg->spi; -+ u32 reg; -+ -+ if ((rs->mode == spi->mode) && (rs->speed == spi->max_speed_hz)) -+ return 0; -+ -+#if 0 -+ /* set spido to tri-state */ -+ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_HIZSDO); -+#endif -+ -+ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG); -+ -+ reg &= ~(SPICFG_MSBFIRST | SPICFG_SPICLKPOL | -+ SPICFG_RXCLKEDGE_FALLING | -+ SPICFG_TXCLKEDGE_FALLING | -+ SPICFG_SPICLK_PRESCALE_MASK); -+ -+ /* MSB */ -+ if (!(spi->mode & SPI_LSB_FIRST)) -+ reg |= SPICFG_MSBFIRST; -+ -+ /* spi mode */ -+ switch (spi->mode & (SPI_CPOL | SPI_CPHA)) { -+ case SPI_MODE_0: -+ reg |= SPICFG_TXCLKEDGE_FALLING; -+ break; -+ case SPI_MODE_1: -+ reg |= SPICFG_RXCLKEDGE_FALLING; -+ break; -+ case SPI_MODE_2: -+ reg |= SPICFG_SPICLKPOL | SPICFG_RXCLKEDGE_FALLING; -+ break; -+ case SPI_MODE_3: -+ reg |= SPICFG_SPICLKPOL | SPICFG_TXCLKEDGE_FALLING; -+ break; -+ } -+ rs->mode = spi->mode; -+ -+#if 0 -+ /* set spiclk and spiena to tri-state */ -+ reg |= SPICFG_HIZSPI; -+#endif -+ -+ /* clock divide */ -+ reg |= rt2880_spi_baudrate_get(spi, spi->max_speed_hz); -+ -+ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg); -+ -+ return 0; -+} -+ -+static int rt2880_spi_probe(struct platform_device *pdev) -+{ -+ struct spi_master *master; -+ struct rt2880_spi *rs; -+ void __iomem *base; -+ struct resource *r; -+ struct clk *clk; -+ int ret; -+ -+ 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\n"); -+ return PTR_ERR(clk); -+ } -+ -+ ret = clk_prepare_enable(clk); -+ if (ret) -+ goto err_clk; -+ -+ master = spi_alloc_master(&pdev->dev, sizeof(*rs)); -+ if (master == NULL) { -+ dev_dbg(&pdev->dev, "master allocation failed\n"); -+ ret = -ENOMEM; -+ goto err_clk; -+ } -+ -+ master->dev.of_node = pdev->dev.of_node; -+ master->mode_bits = RT2880_SPI_MODE_BITS; -+ master->bits_per_word_mask = SPI_BPW_MASK(8); -+ master->min_speed_hz = clk_get_rate(clk) / 128; -+ master->max_speed_hz = clk_get_rate(clk) / 2; -+ master->flags = SPI_MASTER_HALF_DUPLEX; -+ master->setup = rt2880_spi_setup; -+ master->prepare_message = rt2880_spi_prepare_message; -+ master->set_cs = rt2880_spi_set_cs; -+ master->transfer_one = rt2880_spi_transfer_one, -+ -+ dev_set_drvdata(&pdev->dev, master); -+ -+ rs = spi_master_get_devdata(master); -+ rs->master = master; -+ rs->base = base; -+ rs->clk = clk; -+ -+ if (atomic_inc_return(&hw_reset_count) == 1) -+ device_reset(&pdev->dev); -+ -+ ret = devm_spi_register_master(&pdev->dev, master); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "devm_spi_register_master error.\n"); -+ goto err_master; -+ } -+ -+ return ret; -+ -+err_master: -+ spi_master_put(master); -+ kfree(master); -+err_clk: -+ clk_disable_unprepare(clk); -+ -+ return ret; -+} -+ -+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_unprepare(rs->clk); -+ atomic_dec(&hw_reset_count); -+ -+ 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-4.9/0043-spi-add-mt7621-support.patch b/target/linux/ramips/patches-4.9/0043-spi-add-mt7621-support.patch deleted file mode 100644 index 984f4ada9e..0000000000 --- a/target/linux/ramips/patches-4.9/0043-spi-add-mt7621-support.patch +++ /dev/null @@ -1,524 +0,0 @@ -From 87a5fcd57c577cd94b5b080deb98885077c13a42 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:49:07 +0100 -Subject: [PATCH 43/53] spi: add mt7621 support - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/spi/Kconfig | 6 + - drivers/spi/Makefile | 1 + - drivers/spi/spi-mt7621.c | 480 ++++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 487 insertions(+) - create mode 100644 drivers/spi/spi-mt7621.c - ---- a/drivers/spi/Kconfig -+++ b/drivers/spi/Kconfig -@@ -540,6 +540,12 @@ 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 -@@ -55,6 +55,7 @@ obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mp - obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o - obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o - obj-$(CONFIG_SPI_MT65XX) += spi-mt65xx.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 +1,483 @@ -+/* -+ * 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@nbd.name> -+ * -+ * 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 MT7621_SPI_DATA4 0x18 -+#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 MT7621_CPHA BIT(5) -+#define MT7621_CPOL BIT(4) -+#define MT7621_LSB_FIRST BIT(3) -+ -+#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_reset(struct mt7621_spi *rs, int duplex) -+{ -+ u32 master = mt7621_spi_read(rs, MT7621_SPI_MASTER); -+ -+ master |= 7 << 29; -+ master |= 1 << 2; -+ if (duplex) -+ master |= 1 << 10; -+ else -+ master &= ~(1 << 10); -+ -+ mt7621_spi_write(rs, MT7621_SPI_MASTER, master); -+} -+ -+static void mt7621_spi_set_cs(struct spi_device *spi, int enable) -+{ -+ struct mt7621_spi *rs = spidev_to_mt7621_spi(spi); -+ int cs = spi->chip_select; -+ u32 polar = 0; -+ -+ mt7621_spi_reset(rs, cs); -+ if (enable) -+ polar = BIT(cs); -+ mt7621_spi_write(rs, MT7621_SPI_POLAR, polar); -+} -+ -+static int mt7621_spi_prepare(struct spi_device *spi, unsigned int speed) -+{ -+ struct mt7621_spi *rs = spidev_to_mt7621_spi(spi); -+ u32 rate; -+ u32 reg; -+ -+ dev_dbg(&spi->dev, "speed:%u\n", speed); -+ -+ rate = DIV_ROUND_UP(rs->sys_freq, speed); -+ dev_dbg(&spi->dev, "rate-1:%u\n", rate); -+ -+ if (rate > 4097) -+ return -EINVAL; -+ -+ if (rate < 2) -+ rate = 2; -+ -+ reg = mt7621_spi_read(rs, MT7621_SPI_MASTER); -+ reg &= ~(0xfff << 16); -+ reg |= (rate - 2) << 16; -+ rs->speed = speed; -+ -+ reg &= ~MT7621_LSB_FIRST; -+ if (spi->mode & SPI_LSB_FIRST) -+ reg |= MT7621_LSB_FIRST; -+ -+ reg &= ~(MT7621_CPHA | MT7621_CPOL); -+ switch(spi->mode & (SPI_CPOL | SPI_CPHA)) { -+ case SPI_MODE_0: -+ break; -+ case SPI_MODE_1: -+ reg |= MT7621_CPHA; -+ break; -+ case SPI_MODE_2: -+ reg |= MT7621_CPOL; -+ break; -+ case SPI_MODE_3: -+ reg |= MT7621_CPOL | MT7621_CPHA; -+ break; -+ } -+ mt7621_spi_write(rs, MT7621_SPI_MASTER, reg); -+ -+ return 0; -+} -+ -+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_half_duplex(struct spi_master *master, -+ struct spi_message *m) -+{ -+ struct mt7621_spi *rs = spi_master_get_devdata(master); -+ struct spi_device *spi = m->spi; -+ unsigned int speed = spi->max_speed_hz; -+ 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 (t->speed_hz < speed) -+ speed = t->speed_hz; -+ -+ 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; -+ } -+ -+ if (mt7621_spi_prepare(spi, speed)) { -+ 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_transfer_full_duplex(struct spi_master *master, -+ struct spi_message *m) -+{ -+ struct mt7621_spi *rs = spi_master_get_devdata(master); -+ struct spi_device *spi = m->spi; -+ unsigned int speed = spi->max_speed_hz; -+ struct spi_transfer *t = NULL; -+ int status = 0; -+ int i, len = 0; -+ int rx_len = 0; -+ u32 data[9] = { 0 }; -+ u32 val = 0; -+ -+ 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 > 16)) { -+ status = -EIO; -+ goto msg_done; -+ } -+ -+ for (i = 0; i < t->len; i++, len++) -+ data[len / 4] |= buf[i] << (8 * (len & 3)); -+ if (speed > t->speed_hz) -+ speed = t->speed_hz; -+ } -+ -+ if (WARN_ON(rx_len > 16)) { -+ status = -EIO; -+ goto msg_done; -+ } -+ -+ if (mt7621_spi_prepare(spi, speed)) { -+ status = -EIO; -+ goto msg_done; -+ } -+ -+ for (i = 0; i < len; i += 4) -+ mt7621_spi_write(rs, MT7621_SPI_DATA0 + i, data[i / 4]); -+ -+ val |= len * 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_DATA4 + i); -+ -+ m->actual_length = 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_transfer_one_message(struct spi_master *master, -+ struct spi_message *m) -+{ -+ struct spi_device *spi = m->spi; -+ int cs = spi->chip_select; -+ -+ if (cs) -+ return mt7621_spi_transfer_full_duplex(master, m); -+ return mt7621_spi_transfer_half_duplex(master, m); -+} -+ -+static int mt7621_spi_setup(struct spi_device *spi) -+{ -+ struct mt7621_spi *rs = spidev_to_mt7621_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 / 4097)) { -+ dev_err(&spi->dev, "setup: requested speed is too low %d Hz\n", -+ spi->max_speed_hz); -+ return -EINVAL; -+ } -+ -+ return 0; -+} -+ -+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_info(&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 = 2; -+ -+ 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_info(&pdev->dev, "sys_freq: %u\n", rs->sys_freq); -+ spin_lock_irqsave(&rs->lock, flags); -+ -+ device_reset(&pdev->dev); -+ -+ mt7621_spi_reset(rs, 0); -+ -+ 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@nbd.name>"); -+MODULE_LICENSE("GPL"); diff --git a/target/linux/ramips/patches-4.9/0044-i2c-MIPS-adds-ralink-I2C-driver.patch b/target/linux/ramips/patches-4.9/0044-i2c-MIPS-adds-ralink-I2C-driver.patch deleted file mode 100644 index b198acb4ad..0000000000 --- a/target/linux/ramips/patches-4.9/0044-i2c-MIPS-adds-ralink-I2C-driver.patch +++ /dev/null @@ -1,507 +0,0 @@ -From 723b8beaabf3c3c4b1ce69480141f1e926f3f3b2 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:52:56 +0100 -Subject: [PATCH 44/53] 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 | 327 ++++++++++++++++++++ - 4 files changed, 359 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 -@@ -810,6 +810,11 @@ 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" -+ depends on RALINK && !SOC_MT7621 -+ select OF_I2C -+ - config HAVE_S3C2410_I2C - bool - help ---- a/drivers/i2c/busses/Makefile -+++ b/drivers/i2c/busses/Makefile -@@ -75,6 +75,7 @@ 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 +1,435 @@ -+/* -+ * drivers/i2c/busses/i2c-ralink.c -+ * -+ * Copyright (C) 2013 Steven Liu <steven_liu@mediatek.com> -+ * Copyright (C) 2016 Michael Lee <igvtee@gmail.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/of_platform.h> -+#include <linux/i2c.h> -+#include <linux/io.h> -+#include <linux/err.h> -+#include <linux/clk.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 -+ -+/* REG_CONFIG_REG */ -+#define I2C_ADDRLEN_OFFSET 5 -+#define I2C_DEVADLEN_OFFSET 2 -+#define I2C_ADDRLEN_MASK 0x3 -+#define I2C_ADDR_DIS BIT(1) -+#define I2C_DEVADDR_DIS BIT(0) -+#define I2C_ADDRLEN_8 (7 << I2C_ADDRLEN_OFFSET) -+#define I2C_DEVADLEN_7 (6 << I2C_DEVADLEN_OFFSET) -+#define I2C_CONF_DEFAULT (I2C_ADDRLEN_8 | I2C_DEVADLEN_7) -+ -+/* REG_CLKDIV_REG */ -+#define I2C_CLKDIV_MASK 0xffff -+ -+/* REG_DEVADDR_REG */ -+#define I2C_DEVADDR_MASK 0x7f -+ -+/* REG_ADDR_REG */ -+#define I2C_ADDR_MASK 0xff -+ -+/* REG_STATUS_REG */ -+#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) -+ -+/* REG_STARTXFR_REG */ -+#define NOSTOP_CMD BIT(2) -+#define NODATA_CMD BIT(1) -+#define READ_CMD BIT(0) -+ -+/* REG_BYTECNT_REG */ -+#define BYTECNT_MAX 64 -+#define SET_BYTECNT(x) (x - 1) -+ -+/* timeout waiting for I2C devices to respond (clock streching) */ -+#define TIMEOUT_MS 1000 -+#define DELAY_INTERVAL_US 100 -+ -+struct rt_i2c { -+ void __iomem *base; -+ struct clk *clk; -+ struct device *dev; -+ struct i2c_adapter adap; -+ u32 cur_clk; -+ u32 clk_div; -+ u32 flags; -+}; -+ -+static void rt_i2c_w32(struct rt_i2c *i2c, u32 val, unsigned reg) -+{ -+ iowrite32(val, i2c->base + reg); -+} -+ -+static u32 rt_i2c_r32(struct rt_i2c *i2c, unsigned reg) -+{ -+ return ioread32(i2c->base + reg); -+} -+ -+static int poll_down_timeout(void __iomem *addr, u32 mask) -+{ -+ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); -+ -+ do { -+ if (!(readl_relaxed(addr) & mask)) -+ return 0; -+ -+ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); -+ } while (time_before(jiffies, timeout)); -+ -+ return (readl_relaxed(addr) & mask) ? -EAGAIN : 0; -+} -+ -+static int rt_i2c_wait_idle(struct rt_i2c *i2c) -+{ -+ int ret; -+ -+ ret = poll_down_timeout(i2c->base + REG_STATUS_REG, I2C_BUSY); -+ if (ret < 0) -+ dev_dbg(i2c->dev, "idle err(%d)\n", ret); -+ -+ return ret; -+} -+ -+static int poll_up_timeout(void __iomem *addr, u32 mask) -+{ -+ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); -+ u32 status; -+ -+ do { -+ status = readl_relaxed(addr); -+ -+ /* check error status */ -+ if (status & I2C_STARTERR) -+ return -EAGAIN; -+ else if (status & I2C_ACKERR) -+ return -ENXIO; -+ else if (status & mask) -+ return 0; -+ -+ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); -+ } while (time_before(jiffies, timeout)); -+ -+ return -ETIMEDOUT; -+} -+ -+static int rt_i2c_wait_rx_done(struct rt_i2c *i2c) -+{ -+ int ret; -+ -+ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_DATARDY); -+ if (ret < 0) -+ dev_dbg(i2c->dev, "rx err(%d)\n", ret); -+ -+ return ret; -+} -+ -+static int rt_i2c_wait_tx_done(struct rt_i2c *i2c) -+{ -+ int ret; -+ -+ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_SDOEMPTY); -+ if (ret < 0) -+ dev_dbg(i2c->dev, "tx err(%d)\n", ret); -+ -+ return ret; -+} -+ -+static void rt_i2c_reset(struct rt_i2c *i2c) -+{ -+ device_reset(i2c->adap.dev.parent); -+ barrier(); -+ rt_i2c_w32(i2c, i2c->clk_div, REG_CLKDIV_REG); -+} -+ -+static void rt_i2c_dump_reg(struct rt_i2c *i2c) -+{ -+ dev_dbg(i2c->dev, "conf %08x, clkdiv %08x, devaddr %08x, " \ -+ "addr %08x, dataout %08x, datain %08x, " \ -+ "status %08x, startxfr %08x, bytecnt %08x\n", -+ rt_i2c_r32(i2c, REG_CONFIG_REG), -+ rt_i2c_r32(i2c, REG_CLKDIV_REG), -+ rt_i2c_r32(i2c, REG_DEVADDR_REG), -+ rt_i2c_r32(i2c, REG_ADDR_REG), -+ rt_i2c_r32(i2c, REG_DATAOUT_REG), -+ rt_i2c_r32(i2c, REG_DATAIN_REG), -+ rt_i2c_r32(i2c, REG_STATUS_REG), -+ rt_i2c_r32(i2c, REG_STARTXFR_REG), -+ rt_i2c_r32(i2c, REG_BYTECNT_REG)); -+} -+ -+static int rt_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, -+ int num) -+{ -+ struct rt_i2c *i2c; -+ struct i2c_msg *pmsg; -+ unsigned char addr; -+ int i, j, ret; -+ u32 cmd; -+ -+ i2c = i2c_get_adapdata(adap); -+ -+ for (i = 0; i < num; i++) { -+ pmsg = &msgs[i]; -+ if (i == (num - 1)) -+ cmd = 0; -+ else -+ cmd = NOSTOP_CMD; -+ -+ dev_dbg(i2c->dev, "addr: 0x%x, len: %d, flags: 0x%x, stop: %d\n", -+ pmsg->addr, pmsg->len, pmsg->flags, -+ (cmd == 0)? 1 : 0); -+ -+ /* wait hardware idle */ -+ if ((ret = rt_i2c_wait_idle(i2c))) -+ goto err_timeout; -+ -+ if (pmsg->flags & I2C_M_TEN) { -+ rt_i2c_w32(i2c, I2C_CONF_DEFAULT, REG_CONFIG_REG); -+ /* 10 bits address */ -+ addr = 0x78 | ((pmsg->addr >> 8) & 0x03); -+ rt_i2c_w32(i2c, addr & I2C_DEVADDR_MASK, -+ REG_DEVADDR_REG); -+ rt_i2c_w32(i2c, pmsg->addr & I2C_ADDR_MASK, -+ REG_ADDR_REG); -+ } else { -+ rt_i2c_w32(i2c, I2C_CONF_DEFAULT | I2C_ADDR_DIS, -+ REG_CONFIG_REG); -+ /* 7 bits address */ -+ rt_i2c_w32(i2c, pmsg->addr & I2C_DEVADDR_MASK, -+ REG_DEVADDR_REG); -+ } -+ -+ /* buffer length */ -+ if (pmsg->len == 0) -+ cmd |= NODATA_CMD; -+ else -+ rt_i2c_w32(i2c, SET_BYTECNT(pmsg->len), -+ REG_BYTECNT_REG); -+ -+ j = 0; -+ if (pmsg->flags & I2C_M_RD) { -+ cmd |= READ_CMD; -+ /* start transfer */ -+ barrier(); -+ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG); -+ do { -+ /* wait */ -+ if ((ret = rt_i2c_wait_rx_done(i2c))) -+ goto err_timeout; -+ /* read data */ -+ if (pmsg->len) -+ pmsg->buf[j] = rt_i2c_r32(i2c, -+ REG_DATAIN_REG); -+ j++; -+ } while (j < pmsg->len); -+ } else { -+ do { -+ /* write data */ -+ if (pmsg->len) -+ rt_i2c_w32(i2c, pmsg->buf[j], -+ REG_DATAOUT_REG); -+ /* start transfer */ -+ if (j == 0) { -+ barrier(); -+ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG); -+ } -+ /* wait */ -+ if ((ret = rt_i2c_wait_tx_done(i2c))) -+ goto err_timeout; -+ j++; -+ } while (j < pmsg->len); -+ } -+ } -+ /* the return value is number of executed messages */ -+ ret = i; -+ -+ return ret; -+ -+err_timeout: -+ rt_i2c_dump_reg(i2c); -+ rt_i2c_reset(i2c); -+ return ret; -+} -+ -+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 const struct of_device_id i2c_rt_dt_ids[] = { -+ { .compatible = "ralink,rt2880-i2c" }, -+ { /* sentinel */ } -+}; -+ -+MODULE_DEVICE_TABLE(of, i2c_rt_dt_ids); -+ -+static struct i2c_adapter_quirks rt_i2c_quirks = { -+ .max_write_len = BYTECNT_MAX, -+ .max_read_len = BYTECNT_MAX, -+}; -+ -+static int rt_i2c_init(struct rt_i2c *i2c) -+{ -+ u32 reg; -+ -+ /* i2c_sclk = periph_clk / ((2 * clk_div) + 5) */ -+ i2c->clk_div = (clk_get_rate(i2c->clk) - (5 * i2c->cur_clk)) / -+ (2 * i2c->cur_clk); -+ if (i2c->clk_div < 8) -+ i2c->clk_div = 8; -+ if (i2c->clk_div > I2C_CLKDIV_MASK) -+ i2c->clk_div = I2C_CLKDIV_MASK; -+ -+ /* check support combinde/repeated start message */ -+ rt_i2c_w32(i2c, NOSTOP_CMD, REG_STARTXFR_REG); -+ reg = rt_i2c_r32(i2c, REG_STARTXFR_REG) & NOSTOP_CMD; -+ -+ rt_i2c_reset(i2c); -+ -+ return reg; -+} -+ -+static int rt_i2c_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ struct rt_i2c *i2c; -+ struct i2c_adapter *adap; -+ const struct of_device_id *match; -+ int ret, restart; -+ -+ match = of_match_device(i2c_rt_dt_ids, &pdev->dev); -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res) { -+ dev_err(&pdev->dev, "no memory resource found\n"); -+ return -ENODEV; -+ } -+ -+ i2c = devm_kzalloc(&pdev->dev, sizeof(struct rt_i2c), GFP_KERNEL); -+ if (!i2c) { -+ dev_err(&pdev->dev, "failed to allocate i2c_adapter\n"); -+ return -ENOMEM; -+ } -+ -+ i2c->base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(i2c->base)) -+ return PTR_ERR(i2c->base); -+ -+ i2c->clk = devm_clk_get(&pdev->dev, NULL); -+ if (IS_ERR(i2c->clk)) { -+ dev_err(&pdev->dev, "no clock defined\n"); -+ return -ENODEV; -+ } -+ clk_prepare_enable(i2c->clk); -+ i2c->dev = &pdev->dev; -+ -+ if (of_property_read_u32(pdev->dev.of_node, -+ "clock-frequency", &i2c->cur_clk)) -+ i2c->cur_clk = 100000; -+ -+ adap = &i2c->adap; -+ adap->owner = THIS_MODULE; -+ adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; -+ adap->algo = &rt_i2c_algo; -+ adap->retries = 3; -+ adap->dev.parent = &pdev->dev; -+ i2c_set_adapdata(adap, i2c); -+ adap->dev.of_node = pdev->dev.of_node; -+ strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name)); -+ adap->quirks = &rt_i2c_quirks; -+ -+ platform_set_drvdata(pdev, i2c); -+ -+ restart = rt_i2c_init(i2c); -+ -+ ret = i2c_add_adapter(adap); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "failed to add adapter\n"); -+ clk_disable_unprepare(i2c->clk); -+ return ret; -+ } -+ -+ dev_info(&pdev->dev, "clock %uKHz, re-start %ssupport\n", -+ i2c->cur_clk/1000, restart ? "" : "not "); -+ -+ return ret; -+} -+ -+static int rt_i2c_remove(struct platform_device *pdev) -+{ -+ struct rt_i2c *i2c = platform_get_drvdata(pdev); -+ -+ i2c_del_adapter(&i2c->adap); -+ clk_disable_unprepare(i2c->clk); -+ -+ return 0; -+} -+ -+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-4.9/0045-i2c-add-mt7621-driver.patch b/target/linux/ramips/patches-4.9/0045-i2c-add-mt7621-driver.patch deleted file mode 100644 index 98ebf01843..0000000000 --- a/target/linux/ramips/patches-4.9/0045-i2c-add-mt7621-driver.patch +++ /dev/null @@ -1,473 +0,0 @@ -From d5c54ff3d1db0a4348fa04d8e78f3bf6063e3afc Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 7 Dec 2015 17:21:27 +0100 -Subject: [PATCH 45/53] i2c: add mt7621 driver - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/i2c/busses/Kconfig | 4 + - drivers/i2c/busses/Makefile | 1 + - drivers/i2c/busses/i2c-mt7621.c | 303 +++++++++++++++++++++++++++++++++++++++ - 3 files changed, 308 insertions(+) - create mode 100644 drivers/i2c/busses/i2c-mt7621.c - ---- a/drivers/i2c/busses/Kconfig -+++ b/drivers/i2c/busses/Kconfig -@@ -815,6 +815,11 @@ config I2C_RALINK - depends on RALINK && !SOC_MT7621 - select OF_I2C - -+config I2C_MT7621 -+ tristate "MT7621/MT7628 I2C Controller" -+ depends on RALINK && (SOC_MT7620 || SOC_MT7621) -+ select OF_I2C -+ - config HAVE_S3C2410_I2C - bool - help ---- a/drivers/i2c/busses/Makefile -+++ b/drivers/i2c/busses/Makefile -@@ -76,6 +76,7 @@ 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-$(CONFIG_I2C_MT7621) += i2c-mt7621.o - obj-$(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-mt7621.c -@@ -0,0 +1,433 @@ -+/* -+ * drivers/i2c/busses/i2c-mt7621.c -+ * -+ * Copyright (C) 2013 Steven Liu <steven_liu@mediatek.com> -+ * Copyright (C) 2016 Michael Lee <igvtee@gmail.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/of_platform.h> -+#include <linux/i2c.h> -+#include <linux/io.h> -+#include <linux/err.h> -+#include <linux/clk.h> -+ -+#define REG_SM0CFG0 0x08 -+#define REG_SM0DOUT 0x10 -+#define REG_SM0DIN 0x14 -+#define REG_SM0ST 0x18 -+#define REG_SM0AUTO 0x1C -+#define REG_SM0CFG1 0x20 -+#define REG_SM0CFG2 0x28 -+#define REG_SM0CTL0 0x40 -+#define REG_SM0CTL1 0x44 -+#define REG_SM0D0 0x50 -+#define REG_SM0D1 0x54 -+#define REG_PINTEN 0x5C -+#define REG_PINTST 0x60 -+#define REG_PINTCL 0x64 -+ -+/* REG_SM0CFG0 */ -+#define I2C_DEVADDR_MASK 0x7f -+ -+/* REG_SM0ST */ -+#define I2C_DATARDY BIT(2) -+#define I2C_SDOEMPTY BIT(1) -+#define I2C_BUSY BIT(0) -+ -+/* REG_SM0AUTO */ -+#define READ_CMD BIT(0) -+ -+/* REG_SM0CFG1 */ -+#define BYTECNT_MAX 64 -+#define SET_BYTECNT(x) (x - 1) -+ -+/* REG_SM0CFG2 */ -+#define AUTOMODE_EN BIT(0) -+ -+/* REG_SM0CTL0 */ -+#define ODRAIN_HIGH_SM0 BIT(31) -+#define VSYNC_SHIFT 28 -+#define VSYNC_MASK 0x3 -+#define VSYNC_PULSE (0x1 << VSYNC_SHIFT) -+#define VSYNC_RISING (0x2 << VSYNC_SHIFT) -+#define CLK_DIV_SHIFT 16 -+#define CLK_DIV_MASK 0xfff -+#define DEG_CNT_SHIFT 8 -+#define DEG_CNT_MASK 0xff -+#define WAIT_HIGH BIT(6) -+#define DEG_EN BIT(5) -+#define CS_STATUA BIT(4) -+#define SCL_STATUS BIT(3) -+#define SDA_STATUS BIT(2) -+#define SM0_EN BIT(1) -+#define SCL_STRECH BIT(0) -+ -+/* REG_SM0CTL1 */ -+#define ACK_SHIFT 16 -+#define ACK_MASK 0xff -+#define PGLEN_SHIFT 8 -+#define PGLEN_MASK 0x7 -+#define SM0_MODE_SHIFT 4 -+#define SM0_MODE_MASK 0x7 -+#define SM0_MODE_START 0x1 -+#define SM0_MODE_WRITE 0x2 -+#define SM0_MODE_STOP 0x3 -+#define SM0_MODE_READ_NACK 0x4 -+#define SM0_MODE_READ_ACK 0x5 -+#define SM0_TRI_BUSY BIT(0) -+ -+/* timeout waiting for I2C devices to respond (clock streching) */ -+#define TIMEOUT_MS 1000 -+#define DELAY_INTERVAL_US 100 -+ -+struct mtk_i2c { -+ void __iomem *base; -+ struct clk *clk; -+ struct device *dev; -+ struct i2c_adapter adap; -+ u32 cur_clk; -+ u32 clk_div; -+ u32 flags; -+}; -+ -+static void mtk_i2c_w32(struct mtk_i2c *i2c, u32 val, unsigned reg) -+{ -+ iowrite32(val, i2c->base + reg); -+} -+ -+static u32 mtk_i2c_r32(struct mtk_i2c *i2c, unsigned reg) -+{ -+ return ioread32(i2c->base + reg); -+} -+ -+static int poll_down_timeout(void __iomem *addr, u32 mask) -+{ -+ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); -+ -+ do { -+ if (!(readl_relaxed(addr) & mask)) -+ return 0; -+ -+ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); -+ } while (time_before(jiffies, timeout)); -+ -+ return (readl_relaxed(addr) & mask) ? -EAGAIN : 0; -+} -+ -+static int mtk_i2c_wait_idle(struct mtk_i2c *i2c) -+{ -+ int ret; -+ -+ ret = poll_down_timeout(i2c->base + REG_SM0ST, I2C_BUSY); -+ if (ret < 0) -+ dev_dbg(i2c->dev, "idle err(%d)\n", ret); -+ -+ return ret; -+} -+ -+static int poll_up_timeout(void __iomem *addr, u32 mask) -+{ -+ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); -+ u32 status; -+ -+ do { -+ status = readl_relaxed(addr); -+ if (status & mask) -+ return 0; -+ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); -+ } while (time_before(jiffies, timeout)); -+ -+ return -ETIMEDOUT; -+} -+ -+static int mtk_i2c_wait_rx_done(struct mtk_i2c *i2c) -+{ -+ int ret; -+ -+ ret = poll_up_timeout(i2c->base + REG_SM0ST, I2C_DATARDY); -+ if (ret < 0) -+ dev_dbg(i2c->dev, "rx err(%d)\n", ret); -+ -+ return ret; -+} -+ -+static int mtk_i2c_wait_tx_done(struct mtk_i2c *i2c) -+{ -+ int ret; -+ -+ ret = poll_up_timeout(i2c->base + REG_SM0ST, I2C_SDOEMPTY); -+ if (ret < 0) -+ dev_dbg(i2c->dev, "tx err(%d)\n", ret); -+ -+ return ret; -+} -+ -+static void mtk_i2c_reset(struct mtk_i2c *i2c) -+{ -+ u32 reg; -+ device_reset(i2c->adap.dev.parent); -+ barrier(); -+ -+ /* ctrl0 */ -+ reg = ODRAIN_HIGH_SM0 | VSYNC_PULSE | (i2c->clk_div << CLK_DIV_SHIFT) | -+ WAIT_HIGH | SM0_EN; -+ mtk_i2c_w32(i2c, reg, REG_SM0CTL0); -+ -+ /* auto mode */ -+ mtk_i2c_w32(i2c, AUTOMODE_EN, REG_SM0CFG2); -+} -+ -+static void mtk_i2c_dump_reg(struct mtk_i2c *i2c) -+{ -+ dev_dbg(i2c->dev, "cfg0 %08x, dout %08x, din %08x, " \ -+ "status %08x, auto %08x, cfg1 %08x, " \ -+ "cfg2 %08x, ctl0 %08x, ctl1 %08x\n", -+ mtk_i2c_r32(i2c, REG_SM0CFG0), -+ mtk_i2c_r32(i2c, REG_SM0DOUT), -+ mtk_i2c_r32(i2c, REG_SM0DIN), -+ mtk_i2c_r32(i2c, REG_SM0ST), -+ mtk_i2c_r32(i2c, REG_SM0AUTO), -+ mtk_i2c_r32(i2c, REG_SM0CFG1), -+ mtk_i2c_r32(i2c, REG_SM0CFG2), -+ mtk_i2c_r32(i2c, REG_SM0CTL0), -+ mtk_i2c_r32(i2c, REG_SM0CTL1)); -+} -+ -+static int mtk_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, -+ int num) -+{ -+ struct mtk_i2c *i2c; -+ struct i2c_msg *pmsg; -+ int i, j, ret; -+ u32 cmd; -+ -+ i2c = i2c_get_adapdata(adap); -+ -+ for (i = 0; i < num; i++) { -+ pmsg = &msgs[i]; -+ cmd = 0; -+ -+ dev_dbg(i2c->dev, "addr: 0x%x, len: %d, flags: 0x%x\n", -+ pmsg->addr, pmsg->len, pmsg->flags); -+ -+ /* wait hardware idle */ -+ if ((ret = mtk_i2c_wait_idle(i2c))) -+ goto err_timeout; -+ -+ if (pmsg->flags & I2C_M_TEN) { -+ dev_dbg(i2c->dev, "10 bits addr not supported\n"); -+ return -EINVAL; -+ } else { -+ /* 7 bits address */ -+ mtk_i2c_w32(i2c, pmsg->addr & I2C_DEVADDR_MASK, -+ REG_SM0CFG0); -+ } -+ -+ /* buffer length */ -+ if (pmsg->len == 0) { -+ dev_dbg(i2c->dev, "length is 0\n"); -+ return -EINVAL; -+ } else -+ mtk_i2c_w32(i2c, SET_BYTECNT(pmsg->len), -+ REG_SM0CFG1); -+ -+ j = 0; -+ if (pmsg->flags & I2C_M_RD) { -+ cmd |= READ_CMD; -+ /* start transfer */ -+ barrier(); -+ mtk_i2c_w32(i2c, cmd, REG_SM0AUTO); -+ do { -+ /* wait */ -+ if ((ret = mtk_i2c_wait_rx_done(i2c))) -+ goto err_timeout; -+ /* read data */ -+ if (pmsg->len) -+ pmsg->buf[j] = mtk_i2c_r32(i2c, -+ REG_SM0DIN); -+ j++; -+ } while (j < pmsg->len); -+ } else { -+ do { -+ /* write data */ -+ if (pmsg->len) -+ mtk_i2c_w32(i2c, pmsg->buf[j], -+ REG_SM0DOUT); -+ /* start transfer */ -+ if (j == 0) { -+ barrier(); -+ mtk_i2c_w32(i2c, cmd, REG_SM0AUTO); -+ } -+ /* wait */ -+ if ((ret = mtk_i2c_wait_tx_done(i2c))) -+ goto err_timeout; -+ j++; -+ } while (j < pmsg->len); -+ } -+ } -+ /* the return value is number of executed messages */ -+ ret = i; -+ -+ return ret; -+ -+err_timeout: -+ mtk_i2c_dump_reg(i2c); -+ mtk_i2c_reset(i2c); -+ return ret; -+} -+ -+static u32 mtk_i2c_func(struct i2c_adapter *a) -+{ -+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; -+} -+ -+static const struct i2c_algorithm mtk_i2c_algo = { -+ .master_xfer = mtk_i2c_master_xfer, -+ .functionality = mtk_i2c_func, -+}; -+ -+static const struct of_device_id i2c_mtk_dt_ids[] = { -+ { .compatible = "mediatek,mt7621-i2c" }, -+ { /* sentinel */ } -+}; -+ -+MODULE_DEVICE_TABLE(of, i2c_mtk_dt_ids); -+ -+static struct i2c_adapter_quirks mtk_i2c_quirks = { -+ .max_write_len = BYTECNT_MAX, -+ .max_read_len = BYTECNT_MAX, -+}; -+ -+static void mtk_i2c_init(struct mtk_i2c *i2c) -+{ -+ i2c->clk_div = clk_get_rate(i2c->clk) / i2c->cur_clk; -+ if (i2c->clk_div > CLK_DIV_MASK) -+ i2c->clk_div = CLK_DIV_MASK; -+ -+ mtk_i2c_reset(i2c); -+} -+ -+static int mtk_i2c_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ struct mtk_i2c *i2c; -+ struct i2c_adapter *adap; -+ const struct of_device_id *match; -+ int ret; -+ -+ match = of_match_device(i2c_mtk_dt_ids, &pdev->dev); -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res) { -+ dev_err(&pdev->dev, "no memory resource found\n"); -+ return -ENODEV; -+ } -+ -+ i2c = devm_kzalloc(&pdev->dev, sizeof(struct mtk_i2c), GFP_KERNEL); -+ if (!i2c) { -+ dev_err(&pdev->dev, "failed to allocate i2c_adapter\n"); -+ return -ENOMEM; -+ } -+ -+ i2c->base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(i2c->base)) -+ return PTR_ERR(i2c->base); -+ -+ i2c->clk = devm_clk_get(&pdev->dev, NULL); -+ if (IS_ERR(i2c->clk)) { -+ dev_err(&pdev->dev, "no clock defined\n"); -+ return -ENODEV; -+ } -+ clk_prepare_enable(i2c->clk); -+ i2c->dev = &pdev->dev; -+ -+ if (of_property_read_u32(pdev->dev.of_node, -+ "clock-frequency", &i2c->cur_clk)) -+ i2c->cur_clk = 100000; -+ -+ adap = &i2c->adap; -+ adap->owner = THIS_MODULE; -+ adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; -+ adap->algo = &mtk_i2c_algo; -+ adap->retries = 3; -+ adap->dev.parent = &pdev->dev; -+ i2c_set_adapdata(adap, i2c); -+ adap->dev.of_node = pdev->dev.of_node; -+ strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name)); -+ adap->quirks = &mtk_i2c_quirks; -+ -+ platform_set_drvdata(pdev, i2c); -+ -+ mtk_i2c_init(i2c); -+ -+ ret = i2c_add_adapter(adap); -+ if (ret < 0) { -+ dev_err(&pdev->dev, "failed to add adapter\n"); -+ clk_disable_unprepare(i2c->clk); -+ return ret; -+ } -+ -+ dev_info(&pdev->dev, "clock %uKHz, re-start not support\n", -+ i2c->cur_clk/1000); -+ -+ return ret; -+} -+ -+static int mtk_i2c_remove(struct platform_device *pdev) -+{ -+ struct mtk_i2c *i2c = platform_get_drvdata(pdev); -+ -+ i2c_del_adapter(&i2c->adap); -+ clk_disable_unprepare(i2c->clk); -+ -+ return 0; -+} -+ -+static struct platform_driver mtk_i2c_driver = { -+ .probe = mtk_i2c_probe, -+ .remove = mtk_i2c_remove, -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "i2c-mt7621", -+ .of_match_table = i2c_mtk_dt_ids, -+ }, -+}; -+ -+static int __init i2c_mtk_init (void) -+{ -+ return platform_driver_register(&mtk_i2c_driver); -+} -+subsys_initcall(i2c_mtk_init); -+ -+static void __exit i2c_mtk_exit (void) -+{ -+ platform_driver_unregister(&mtk_i2c_driver); -+} -+module_exit(i2c_mtk_exit); -+ -+MODULE_AUTHOR("Steven Liu <steven_liu@mediatek.com>"); -+MODULE_DESCRIPTION("MT7621 I2c host driver"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("platform:MT7621-I2C"); diff --git a/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch b/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch deleted file mode 100644 index 6c34d45207..0000000000 --- a/target/linux/ramips/patches-4.9/0046-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 23147af14531cbdada194b94120ef8774f46292d Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 13 Nov 2014 19:08:40 +0100 -Subject: [PATCH 46/53] 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 | 156 ++ - drivers/mmc/host/mtk-mmc/mt6575_sd.h | 1001 +++++++++++ - drivers/mmc/host/mtk-mmc/sd.c | 3060 ++++++++++++++++++++++++++++++++++ - 9 files changed, 4762 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 -@@ -798,3 +798,6 @@ config MMC_SDHCI_BRCMSTB - Broadcom STB SoCs. - - If unsure, say Y. -+ -+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 diff --git a/target/linux/ramips/patches-4.9/0047-DMA-ralink-add-rt2880-dma-engine.patch b/target/linux/ramips/patches-4.9/0047-DMA-ralink-add-rt2880-dma-engine.patch deleted file mode 100644 index 9b45cf4573..0000000000 --- a/target/linux/ramips/patches-4.9/0047-DMA-ralink-add-rt2880-dma-engine.patch +++ /dev/null @@ -1,1757 +0,0 @@ -From f1c4d9e622c800e1f38b3818f933ec7597d1ccfb Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:29:51 +0100 -Subject: [PATCH 47/53] DMA: ralink: add rt2880 dma engine - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/dma/Kconfig | 6 + - drivers/dma/Makefile | 1 + - drivers/dma/ralink-gdma.c | 577 +++++++++++++++++++++++++++++++++++++++++++++ - include/linux/dmaengine.h | 1 + - 4 files changed, 585 insertions(+) - create mode 100644 drivers/dma/ralink-gdma.c - ---- a/drivers/dma/Kconfig -+++ b/drivers/dma/Kconfig -@@ -40,6 +40,18 @@ config ASYNC_TX_ENABLE_CHANNEL_SWITCH - config ARCH_HAS_ASYNC_TX_FIND_CHANNEL - bool - -+config DMA_RALINK -+ tristate "RALINK DMA support" -+ depends on RALINK && !SOC_RT288X -+ select DMA_ENGINE -+ select DMA_VIRTUAL_CHANNELS -+ -+config MTK_HSDMA -+ tristate "MTK HSDMA support" -+ depends on RALINK && SOC_MT7621 -+ select DMA_ENGINE -+ select DMA_VIRTUAL_CHANNELS -+ - config DMA_ENGINE - bool - ---- a/drivers/dma/Makefile -+++ b/drivers/dma/Makefile -@@ -67,6 +67,8 @@ obj-$(CONFIG_TI_DMA_CROSSBAR) += ti-dma- - obj-$(CONFIG_TI_EDMA) += edma.o - obj-$(CONFIG_XGENE_DMA) += xgene-dma.o - obj-$(CONFIG_ZX_DMA) += zx296702_dma.o -+obj-$(CONFIG_DMA_RALINK) += ralink-gdma.o -+obj-$(CONFIG_MTK_HSDMA) += mtk-hsdma.o - - obj-y += qcom/ - obj-y += xilinx/ ---- /dev/null -+++ b/drivers/dma/ralink-gdma.c -@@ -0,0 +1,928 @@ -+/* -+ * 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. -+ * -+ */ -+ -+#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 <linux/reset.h> -+#include <linux/of_device.h> -+ -+#include "virt-dma.h" -+ -+#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_SW_MODE BIT(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) -+ -+#define GDMA_REG_REQSTS 0x2a0 -+#define GDMA_REG_ACKSTS 0x2a4 -+#define GDMA_REG_FINSTS 0x2a8 -+ -+/* for RT305X gdma registers */ -+#define GDMA_RT305X_CTRL0_REQ_MASK 0xf -+#define GDMA_RT305X_CTRL0_SRC_REQ_SHIFT 12 -+#define GDMA_RT305X_CTRL0_DST_REQ_SHIFT 8 -+ -+#define GDMA_RT305X_CTRL1_FAIL BIT(4) -+#define GDMA_RT305X_CTRL1_NEXT_MASK 0x7 -+#define GDMA_RT305X_CTRL1_NEXT_SHIFT 1 -+ -+#define GDMA_RT305X_STATUS_INT 0x80 -+#define GDMA_RT305X_STATUS_SIGNAL 0x84 -+#define GDMA_RT305X_GCT 0x88 -+ -+/* for MT7621 gdma registers */ -+#define GDMA_REG_PERF_START(x) (0x230 + (x) * 0x8) -+#define GDMA_REG_PERF_END(x) (0x234 + (x) * 0x8) -+ -+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, -+ GDMA_TRANSFER_SIZE_64BYTE = 4, -+}; -+ -+struct gdma_dma_sg { -+ dma_addr_t src_addr; -+ dma_addr_t dst_addr; -+ u32 len; -+}; -+ -+struct gdma_dma_desc { -+ struct virt_dma_desc vdesc; -+ -+ enum dma_transfer_direction direction; -+ bool cyclic; -+ -+ u32 residue; -+ unsigned int num_sgs; -+ struct gdma_dma_sg sg[]; -+}; -+ -+struct gdma_dmaengine_chan { -+ struct virt_dma_chan vchan; -+ unsigned int id; -+ unsigned int slave_id; -+ -+ dma_addr_t fifo_addr; -+ enum gdma_dma_transfer_size burst_size; -+ -+ struct gdma_dma_desc *desc; -+ unsigned int next_sg; -+}; -+ -+struct gdma_dma_dev { -+ struct dma_device ddev; -+ struct device_dma_parameters dma_parms; -+ struct gdma_data *data; -+ void __iomem *base; -+ struct tasklet_struct task; -+ volatile unsigned long chan_issued; -+ atomic_t cnt; -+ -+ struct gdma_dmaengine_chan chan[]; -+}; -+ -+struct gdma_data -+{ -+ int chancnt; -+ u32 done_int_reg; -+ void (*init)(struct gdma_dma_dev *dma_dev); -+ int (*start_transfer)(struct gdma_dmaengine_chan *chan); -+}; -+ -+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) -+{ -+ writel(val, dma_dev->base + reg); -+} -+ -+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 < 2) -+ return GDMA_TRANSFER_SIZE_4BYTE; -+ else if (maxburst < 4) -+ return GDMA_TRANSFER_SIZE_8BYTE; -+ else if (maxburst < 8) -+ return GDMA_TRANSFER_SIZE_16BYTE; -+ else if (maxburst < 16) -+ return GDMA_TRANSFER_SIZE_32BYTE; -+ else -+ return GDMA_TRANSFER_SIZE_64BYTE; -+} -+ -+static int gdma_dma_config(struct dma_chan *c, -+ 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); -+ -+ if (config->device_fc) { -+ dev_err(dma_dev->ddev.dev, "not support flow controller\n"); -+ return -EINVAL; -+ } -+ -+ switch (config->direction) { -+ case DMA_MEM_TO_DEV: -+ if (config->dst_addr_width != DMA_SLAVE_BUSWIDTH_4_BYTES) { -+ dev_err(dma_dev->ddev.dev, "only support 4 byte buswidth\n"); -+ return -EINVAL; -+ } -+ chan->slave_id = config->slave_id; -+ chan->fifo_addr = config->dst_addr; -+ chan->burst_size = gdma_dma_maxburst(config->dst_maxburst); -+ break; -+ case DMA_DEV_TO_MEM: -+ if (config->src_addr_width != DMA_SLAVE_BUSWIDTH_4_BYTES) { -+ dev_err(dma_dev->ddev.dev, "only support 4 byte buswidth\n"); -+ return -EINVAL; -+ } -+ chan->slave_id = config->slave_id; -+ chan->fifo_addr = config->src_addr; -+ chan->burst_size = gdma_dma_maxburst(config->src_maxburst); -+ break; -+ default: -+ dev_err(dma_dev->ddev.dev, "direction type %d error\n", -+ config->direction); -+ return -EINVAL; -+ } -+ -+ 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, timeout; -+ LIST_HEAD(head); -+ int i = 0; -+ -+ spin_lock_irqsave(&chan->vchan.lock, flags); -+ chan->desc = NULL; -+ clear_bit(chan->id, &dma_dev->chan_issued); -+ vchan_get_all_descriptors(&chan->vchan, &head); -+ spin_unlock_irqrestore(&chan->vchan.lock, flags); -+ -+ vchan_dma_desc_free_list(&chan->vchan, &head); -+ -+ /* wait dma transfer complete */ -+ timeout = jiffies + msecs_to_jiffies(5000); -+ while (gdma_dma_read(dma_dev, GDMA_REG_CTRL0(chan->id)) & -+ GDMA_REG_CTRL0_ENABLE) { -+ if (time_after_eq(jiffies, timeout)) { -+ dev_err(dma_dev->ddev.dev, "chan %d wait timeout\n", -+ chan->id); -+ /* restore to init value */ -+ gdma_dma_write(dma_dev, GDMA_REG_CTRL0(chan->id), 0); -+ break; -+ } -+ cpu_relax(); -+ i++; -+ } -+ -+ if (i) -+ dev_dbg(dma_dev->ddev.dev, "terminate chan %d loops %d\n", -+ chan->id, i); -+ -+ return 0; -+} -+ -+static void rt305x_dump_reg(struct gdma_dma_dev *dma_dev, int id) -+{ -+ dev_dbg(dma_dev->ddev.dev, "chan %d, src %08x, dst %08x, ctr0 %08x, " \ -+ "ctr1 %08x, intr %08x, signal %08x\n", id, -+ gdma_dma_read(dma_dev, GDMA_REG_SRC_ADDR(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_DST_ADDR(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_CTRL0(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_CTRL1(id)), -+ gdma_dma_read(dma_dev, GDMA_RT305X_STATUS_INT), -+ gdma_dma_read(dma_dev, GDMA_RT305X_STATUS_SIGNAL)); -+} -+ -+static int rt305x_gdma_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 gdma_dma_sg *sg; -+ uint32_t ctrl0, ctrl1; -+ -+ /* verify chan is already stopped */ -+ ctrl0 = gdma_dma_read(dma_dev, GDMA_REG_CTRL0(chan->id)); -+ if (unlikely(ctrl0 & GDMA_REG_CTRL0_ENABLE)) { -+ dev_err(dma_dev->ddev.dev, "chan %d is start(%08x).\n", -+ chan->id, ctrl0); -+ rt305x_dump_reg(dma_dev, chan->id); -+ return -EINVAL; -+ } -+ -+ sg = &chan->desc->sg[chan->next_sg]; -+ if (chan->desc->direction == DMA_MEM_TO_DEV) { -+ src_addr = sg->src_addr; -+ dst_addr = chan->fifo_addr; -+ ctrl0 = GDMA_REG_CTRL0_DST_ADDR_FIXED | \ -+ (8 << GDMA_RT305X_CTRL0_SRC_REQ_SHIFT) | \ -+ (chan->slave_id << GDMA_RT305X_CTRL0_DST_REQ_SHIFT); -+ } else if (chan->desc->direction == DMA_DEV_TO_MEM) { -+ src_addr = chan->fifo_addr; -+ dst_addr = sg->dst_addr; -+ ctrl0 = GDMA_REG_CTRL0_SRC_ADDR_FIXED | \ -+ (chan->slave_id << GDMA_RT305X_CTRL0_SRC_REQ_SHIFT) | \ -+ (8 << GDMA_RT305X_CTRL0_DST_REQ_SHIFT); -+ } else if (chan->desc->direction == DMA_MEM_TO_MEM) { -+ /* -+ * TODO: memcpy function have bugs. sometime it will copy -+ * more 8 bytes data when using dmatest verify. -+ */ -+ src_addr = sg->src_addr; -+ dst_addr = sg->dst_addr; -+ ctrl0 = GDMA_REG_CTRL0_SW_MODE | \ -+ (8 << GDMA_REG_CTRL1_SRC_REQ_SHIFT) | \ -+ (8 << GDMA_REG_CTRL1_DST_REQ_SHIFT); -+ } else { -+ dev_err(dma_dev->ddev.dev, "direction type %d error\n", -+ chan->desc->direction); -+ return -EINVAL; -+ } -+ -+ ctrl0 |= (sg->len << GDMA_REG_CTRL0_TX_SHIFT) | \ -+ (chan->burst_size << GDMA_REG_CTRL0_BURST_SHIFT) | \ -+ GDMA_REG_CTRL0_DONE_INT | GDMA_REG_CTRL0_ENABLE; -+ ctrl1 = chan->id << GDMA_REG_CTRL1_NEXT_SHIFT; -+ -+ chan->next_sg++; -+ 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(dma_dev, GDMA_REG_CTRL1(chan->id), ctrl1); -+ -+ /* make sure next_sg is update */ -+ wmb(); -+ gdma_dma_write(dma_dev, GDMA_REG_CTRL0(chan->id), ctrl0); -+ -+ return 0; -+} -+ -+static void rt3883_dump_reg(struct gdma_dma_dev *dma_dev, int id) -+{ -+ dev_dbg(dma_dev->ddev.dev, "chan %d, src %08x, dst %08x, ctr0 %08x, " \ -+ "ctr1 %08x, unmask %08x, done %08x, " \ -+ "req %08x, ack %08x, fin %08x\n", id, -+ gdma_dma_read(dma_dev, GDMA_REG_SRC_ADDR(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_DST_ADDR(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_CTRL0(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_CTRL1(id)), -+ gdma_dma_read(dma_dev, GDMA_REG_UNMASK_INT), -+ gdma_dma_read(dma_dev, GDMA_REG_DONE_INT), -+ gdma_dma_read(dma_dev, GDMA_REG_REQSTS), -+ gdma_dma_read(dma_dev, GDMA_REG_ACKSTS), -+ gdma_dma_read(dma_dev, GDMA_REG_FINSTS)); -+} -+ -+static int rt3883_gdma_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 gdma_dma_sg *sg; -+ uint32_t ctrl0, ctrl1; -+ -+ /* verify chan is already stopped */ -+ ctrl0 = gdma_dma_read(dma_dev, GDMA_REG_CTRL0(chan->id)); -+ if (unlikely(ctrl0 & GDMA_REG_CTRL0_ENABLE)) { -+ dev_err(dma_dev->ddev.dev, "chan %d is start(%08x).\n", -+ chan->id, ctrl0); -+ rt3883_dump_reg(dma_dev, chan->id); -+ return -EINVAL; -+ } -+ -+ sg = &chan->desc->sg[chan->next_sg]; -+ if (chan->desc->direction == DMA_MEM_TO_DEV) { -+ src_addr = sg->src_addr; -+ dst_addr = chan->fifo_addr; -+ ctrl0 = GDMA_REG_CTRL0_DST_ADDR_FIXED; -+ ctrl1 = (32 << GDMA_REG_CTRL1_SRC_REQ_SHIFT) | \ -+ (chan->slave_id << GDMA_REG_CTRL1_DST_REQ_SHIFT); -+ } else if (chan->desc->direction == DMA_DEV_TO_MEM) { -+ src_addr = chan->fifo_addr; -+ dst_addr = sg->dst_addr; -+ ctrl0 = GDMA_REG_CTRL0_SRC_ADDR_FIXED; -+ ctrl1 = (chan->slave_id << GDMA_REG_CTRL1_SRC_REQ_SHIFT) | \ -+ (32 << GDMA_REG_CTRL1_DST_REQ_SHIFT) | \ -+ GDMA_REG_CTRL1_COHERENT; -+ } else if (chan->desc->direction == DMA_MEM_TO_MEM) { -+ src_addr = sg->src_addr; -+ dst_addr = sg->dst_addr; -+ ctrl0 = GDMA_REG_CTRL0_SW_MODE; -+ ctrl1 = (32 << GDMA_REG_CTRL1_SRC_REQ_SHIFT) | \ -+ (32 << GDMA_REG_CTRL1_DST_REQ_SHIFT) | \ -+ GDMA_REG_CTRL1_COHERENT; -+ } else { -+ dev_err(dma_dev->ddev.dev, "direction type %d error\n", -+ chan->desc->direction); -+ return -EINVAL; -+ } -+ -+ ctrl0 |= (sg->len << GDMA_REG_CTRL0_TX_SHIFT) | \ -+ (chan->burst_size << GDMA_REG_CTRL0_BURST_SHIFT) | \ -+ GDMA_REG_CTRL0_DONE_INT | GDMA_REG_CTRL0_ENABLE; -+ ctrl1 |= chan->id << GDMA_REG_CTRL1_NEXT_SHIFT; -+ -+ chan->next_sg++; -+ 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(dma_dev, GDMA_REG_CTRL1(chan->id), ctrl1); -+ -+ /* make sure next_sg is update */ -+ wmb(); -+ gdma_dma_write(dma_dev, GDMA_REG_CTRL0(chan->id), ctrl0); -+ -+ return 0; -+} -+ -+static inline int gdma_start_transfer(struct gdma_dma_dev *dma_dev, -+ struct gdma_dmaengine_chan *chan) -+{ -+ return dma_dev->data->start_transfer(chan); -+} -+ -+static int gdma_next_desc(struct gdma_dmaengine_chan *chan) -+{ -+ struct virt_dma_desc *vdesc; -+ -+ vdesc = vchan_next_desc(&chan->vchan); -+ if (!vdesc) { -+ chan->desc = NULL; -+ return 0; -+ } -+ chan->desc = to_gdma_dma_desc(vdesc); -+ chan->next_sg = 0; -+ -+ return 1; -+} -+ -+static void gdma_dma_chan_irq(struct gdma_dma_dev *dma_dev, -+ struct gdma_dmaengine_chan *chan) -+{ -+ struct gdma_dma_desc *desc; -+ unsigned long flags; -+ int chan_issued; -+ -+ chan_issued = 0; -+ spin_lock_irqsave(&chan->vchan.lock, flags); -+ desc = chan->desc; -+ if (desc) { -+ if (desc->cyclic) { -+ vchan_cyclic_callback(&desc->vdesc); -+ if (chan->next_sg == desc->num_sgs) -+ chan->next_sg = 0; -+ chan_issued = 1; -+ } else { -+ desc->residue -= desc->sg[chan->next_sg - 1].len; -+ if (chan->next_sg == desc->num_sgs) { -+ list_del(&desc->vdesc.node); -+ vchan_cookie_complete(&desc->vdesc); -+ chan_issued = gdma_next_desc(chan); -+ } else -+ chan_issued = 1; -+ } -+ } else -+ dev_dbg(dma_dev->ddev.dev, "chan %d no desc to complete\n", -+ chan->id); -+ if (chan_issued) -+ set_bit(chan->id, &dma_dev->chan_issued); -+ spin_unlock_irqrestore(&chan->vchan.lock, flags); -+} -+ -+static irqreturn_t gdma_dma_irq(int irq, void *devid) -+{ -+ struct gdma_dma_dev *dma_dev = devid; -+ u32 done, done_reg; -+ unsigned int i; -+ -+ done_reg = dma_dev->data->done_int_reg; -+ done = gdma_dma_read(dma_dev, done_reg); -+ if (unlikely(!done)) -+ return IRQ_NONE; -+ -+ /* clean done bits */ -+ gdma_dma_write(dma_dev, done_reg, done); -+ -+ i = 0; -+ while (done) { -+ if (done & 0x1) { -+ gdma_dma_chan_irq(dma_dev, &dma_dev->chan[i]); -+ atomic_dec(&dma_dev->cnt); -+ } -+ done >>= 1; -+ i++; -+ } -+ -+ /* start only have work to do */ -+ if (dma_dev->chan_issued) -+ tasklet_schedule(&dma_dev->task); -+ -+ return IRQ_HANDLED; -+} -+ -+static void gdma_dma_issue_pending(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; -+ -+ spin_lock_irqsave(&chan->vchan.lock, flags); -+ if (vchan_issue_pending(&chan->vchan) && !chan->desc) { -+ if (gdma_next_desc(chan)) { -+ set_bit(chan->id, &dma_dev->chan_issued); -+ tasklet_schedule(&dma_dev->task); -+ } else -+ dev_dbg(dma_dev->ddev.dev, "chan %d no desc to issue\n", -+ chan->id); -+ } -+ 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) { -+ dev_err(c->device->dev, "alloc sg decs error\n"); -+ return NULL; -+ } -+ desc->residue = 0; -+ -+ for_each_sg(sgl, sg, sg_len, i) { -+ if (direction == DMA_MEM_TO_DEV) -+ desc->sg[i].src_addr = sg_dma_address(sg); -+ else if (direction == DMA_DEV_TO_MEM) -+ desc->sg[i].dst_addr = sg_dma_address(sg); -+ else { -+ dev_err(c->device->dev, "direction type %d error\n", -+ direction); -+ goto free_desc; -+ } -+ -+ if (unlikely(sg_dma_len(sg) > GDMA_REG_CTRL0_TX_MASK)) { -+ dev_err(c->device->dev, "sg len too large %d\n", -+ sg_dma_len(sg)); -+ goto free_desc; -+ } -+ desc->sg[i].len = sg_dma_len(sg); -+ desc->residue += sg_dma_len(sg); -+ } -+ -+ desc->num_sgs = sg_len; -+ desc->direction = direction; -+ desc->cyclic = false; -+ -+ return vchan_tx_prep(&chan->vchan, &desc->vdesc, flags); -+ -+free_desc: -+ kfree(desc); -+ return NULL; -+} -+ -+static struct dma_async_tx_descriptor * gdma_dma_prep_dma_memcpy( -+ struct dma_chan *c, dma_addr_t dest, dma_addr_t src, -+ size_t len, unsigned long flags) -+{ -+ struct gdma_dmaengine_chan *chan = to_gdma_dma_chan(c); -+ struct gdma_dma_desc *desc; -+ unsigned int num_periods, i; -+ size_t xfer_count; -+ -+ if (len <= 0) -+ return NULL; -+ -+ chan->burst_size = gdma_dma_maxburst(len >> 2); -+ -+ xfer_count = GDMA_REG_CTRL0_TX_MASK; -+ num_periods = DIV_ROUND_UP(len, xfer_count); -+ -+ desc = gdma_dma_alloc_desc(num_periods); -+ if (!desc) { -+ dev_err(c->device->dev, "alloc memcpy decs error\n"); -+ return NULL; -+ } -+ desc->residue = len; -+ -+ for (i = 0; i < num_periods; i++) { -+ desc->sg[i].src_addr = src; -+ desc->sg[i].dst_addr = dest; -+ if (len > xfer_count) { -+ desc->sg[i].len = xfer_count; -+ } else { -+ desc->sg[i].len = len; -+ } -+ src += desc->sg[i].len; -+ dest += desc->sg[i].len; -+ len -= desc->sg[i].len; -+ } -+ -+ desc->num_sgs = num_periods; -+ desc->direction = DMA_MEM_TO_MEM; -+ 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) -+{ -+ 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; -+ -+ if (period_len > GDMA_REG_CTRL0_TX_MASK) { -+ dev_err(c->device->dev, "cyclic len too large %d\n", -+ period_len); -+ return NULL; -+ } -+ -+ num_periods = buf_len / period_len; -+ desc = gdma_dma_alloc_desc(num_periods); -+ if (!desc) { -+ dev_err(c->device->dev, "alloc cyclic decs error\n"); -+ return NULL; -+ } -+ desc->residue = buf_len; -+ -+ for (i = 0; i < num_periods; i++) { -+ if (direction == DMA_MEM_TO_DEV) -+ desc->sg[i].src_addr = buf_addr; -+ else if (direction == DMA_DEV_TO_MEM) -+ desc->sg[i].dst_addr = buf_addr; -+ else { -+ dev_err(c->device->dev, "direction type %d error\n", -+ direction); -+ goto free_desc; -+ } -+ 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); -+ -+free_desc: -+ kfree(desc); -+ return NULL; -+} -+ -+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; -+ struct gdma_dma_desc *desc; -+ -+ status = dma_cookie_status(c, cookie, state); -+ if (status == DMA_COMPLETE || !state) -+ return status; -+ -+ spin_lock_irqsave(&chan->vchan.lock, flags); -+ desc = chan->desc; -+ if (desc && (cookie == desc->vdesc.tx.cookie)) { -+ /* -+ * We never update edesc->residue in the cyclic case, so we -+ * can tell the remaining room to the end of the circular -+ * buffer. -+ */ -+ if (desc->cyclic) -+ state->residue = desc->residue - -+ ((chan->next_sg - 1) * desc->sg[0].len); -+ else -+ state->residue = desc->residue; -+ } else if ((vdesc = vchan_find_desc(&chan->vchan, cookie))) -+ state->residue = to_gdma_dma_desc(vdesc)->residue; -+ spin_unlock_irqrestore(&chan->vchan.lock, flags); -+ -+ dev_dbg(c->device->dev, "tx residue %d bytes\n", state->residue); -+ -+ return status; -+} -+ -+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 void gdma_dma_tasklet(unsigned long arg) -+{ -+ struct gdma_dma_dev *dma_dev = (struct gdma_dma_dev *)arg; -+ struct gdma_dmaengine_chan *chan; -+ static unsigned int last_chan; -+ unsigned int i, chan_mask; -+ -+ /* record last chan to round robin all chans */ -+ i = last_chan; -+ chan_mask = dma_dev->data->chancnt - 1; -+ do { -+ /* -+ * on mt7621. when verify with dmatest with all -+ * channel is enable. we need to limit only two -+ * channel is working at the same time. otherwise the -+ * data will have problem. -+ */ -+ if (atomic_read(&dma_dev->cnt) >= 2) { -+ last_chan = i; -+ break; -+ } -+ -+ if (test_and_clear_bit(i, &dma_dev->chan_issued)) { -+ chan = &dma_dev->chan[i]; -+ if (chan->desc) { -+ atomic_inc(&dma_dev->cnt); -+ gdma_start_transfer(dma_dev, chan); -+ } else -+ dev_dbg(dma_dev->ddev.dev, "chan %d no desc to issue\n", chan->id); -+ -+ if (!dma_dev->chan_issued) -+ break; -+ } -+ -+ i = (i + 1) & chan_mask; -+ } while (i != last_chan); -+} -+ -+static void rt305x_gdma_init(struct gdma_dma_dev *dma_dev) -+{ -+ uint32_t gct; -+ -+ /* all chans round robin */ -+ gdma_dma_write(dma_dev, GDMA_RT305X_GCT, GDMA_REG_GCT_ARBIT_RR); -+ -+ gct = gdma_dma_read(dma_dev, GDMA_RT305X_GCT); -+ dev_info(dma_dev->ddev.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)); -+} -+ -+static void rt3883_gdma_init(struct gdma_dma_dev *dma_dev) -+{ -+ uint32_t gct; -+ -+ /* all chans round robin */ -+ gdma_dma_write(dma_dev, GDMA_REG_GCT, GDMA_REG_GCT_ARBIT_RR); -+ -+ gct = gdma_dma_read(dma_dev, GDMA_REG_GCT); -+ dev_info(dma_dev->ddev.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)); -+} -+ -+static struct gdma_data rt305x_gdma_data = { -+ .chancnt = 8, -+ .done_int_reg = GDMA_RT305X_STATUS_INT, -+ .init = rt305x_gdma_init, -+ .start_transfer = rt305x_gdma_start_transfer, -+}; -+ -+static struct gdma_data rt3883_gdma_data = { -+ .chancnt = 16, -+ .done_int_reg = GDMA_REG_DONE_INT, -+ .init = rt3883_gdma_init, -+ .start_transfer = rt3883_gdma_start_transfer, -+}; -+ -+static const struct of_device_id gdma_of_match_table[] = { -+ { .compatible = "ralink,rt305x-gdma", .data = &rt305x_gdma_data }, -+ { .compatible = "ralink,rt3883-gdma", .data = &rt3883_gdma_data }, -+ { }, -+}; -+ -+static int gdma_dma_probe(struct platform_device *pdev) -+{ -+ const struct of_device_id *match; -+ struct gdma_dmaengine_chan *chan; -+ struct gdma_dma_dev *dma_dev; -+ struct dma_device *dd; -+ unsigned int i; -+ struct resource *res; -+ int ret; -+ int irq; -+ void __iomem *base; -+ struct gdma_data *data; -+ -+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); -+ if (ret) -+ return ret; -+ -+ match = of_match_device(gdma_of_match_table, &pdev->dev); -+ if (!match) -+ return -EINVAL; -+ data = (struct gdma_data *) match->data; -+ -+ dma_dev = devm_kzalloc(&pdev->dev, sizeof(*dma_dev) + -+ (sizeof(struct gdma_dmaengine_chan) * data->chancnt), -+ GFP_KERNEL); -+ if (!dma_dev) { -+ dev_err(&pdev->dev, "alloc dma device failed\n"); -+ return -EINVAL; -+ } -+ dma_dev->data = data; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ dma_dev->base = base; -+ tasklet_init(&dma_dev->task, gdma_dma_tasklet, (unsigned long)dma_dev); -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) { -+ dev_err(&pdev->dev, "failed to get irq\n"); -+ return -EINVAL; -+ } -+ ret = devm_request_irq(&pdev->dev, irq, gdma_dma_irq, -+ 0, dev_name(&pdev->dev), dma_dev); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to request irq\n"); -+ return ret; -+ } -+ -+ device_reset(&pdev->dev); -+ -+ dd = &dma_dev->ddev; -+ dma_cap_set(DMA_MEMCPY, dd->cap_mask); -+ dma_cap_set(DMA_SLAVE, dd->cap_mask); -+ dma_cap_set(DMA_CYCLIC, dd->cap_mask); -+ dd->device_free_chan_resources = gdma_dma_free_chan_resources; -+ dd->device_prep_dma_memcpy = gdma_dma_prep_dma_memcpy; -+ dd->device_prep_slave_sg = gdma_dma_prep_slave_sg; -+ dd->device_prep_dma_cyclic = gdma_dma_prep_dma_cyclic; -+ dd->device_config = gdma_dma_config; -+ dd->device_terminate_all = gdma_dma_terminate_all; -+ dd->device_tx_status = gdma_dma_tx_status; -+ dd->device_issue_pending = gdma_dma_issue_pending; -+ -+ dd->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); -+ dd->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); -+ dd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); -+ dd->residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT; -+ -+ dd->dev = &pdev->dev; -+ dd->dev->dma_parms = &dma_dev->dma_parms; -+ dma_set_max_seg_size(dd->dev, GDMA_REG_CTRL0_TX_MASK); -+ INIT_LIST_HEAD(&dd->channels); -+ -+ for (i = 0; i < data->chancnt; i++) { -+ chan = &dma_dev->chan[i]; -+ chan->id = i; -+ chan->vchan.desc_free = gdma_dma_desc_free; -+ vchan_init(&chan->vchan, dd); -+ } -+ -+ /* init hardware */ -+ data->init(dma_dev); -+ -+ ret = dma_async_device_register(dd); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to register dma device\n"); -+ return ret; -+ } -+ -+ ret = of_dma_controller_register(pdev->dev.of_node, -+ of_dma_xlate_by_chan_id, dma_dev); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to register of dma controller\n"); -+ goto err_unregister; -+ } -+ -+ platform_set_drvdata(pdev, dma_dev); -+ -+ 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); -+ -+ tasklet_kill(&dma_dev->task); -+ of_dma_controller_free(pdev->dev.of_node); -+ dma_async_device_unregister(&dma_dev->ddev); -+ -+ return 0; -+} -+ -+static struct platform_driver gdma_dma_driver = { -+ .probe = gdma_dma_probe, -+ .remove = gdma_dma_remove, -+ .driver = { -+ .name = "gdma-rt2880", -+ .of_match_table = gdma_of_match_table, -+ }, -+}; -+module_platform_driver(gdma_dma_driver); -+ -+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); -+MODULE_DESCRIPTION("Ralink/MTK DMA driver"); -+MODULE_LICENSE("GPL v2"); ---- a/include/linux/dmaengine.h -+++ b/include/linux/dmaengine.h -@@ -514,6 +514,7 @@ static inline void dma_set_unmap(struct - struct dmaengine_unmap_data * - dmaengine_get_unmap_data(struct device *dev, int nr, gfp_t flags); - void dmaengine_unmap_put(struct dmaengine_unmap_data *unmap); -+struct dma_chan *dma_get_slave_channel(struct dma_chan *chan); - #else - static inline void dma_set_unmap(struct dma_async_tx_descriptor *tx, - struct dmaengine_unmap_data *unmap) ---- /dev/null -+++ b/drivers/dma/mtk-hsdma.c -@@ -0,0 +1,767 @@ -+/* -+ * Copyright (C) 2015, Michael Lee <igvtee@gmail.com> -+ * MTK HSDMA 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. -+ * -+ */ -+ -+#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 <linux/reset.h> -+#include <linux/of_device.h> -+ -+#include "virt-dma.h" -+ -+#define HSDMA_BASE_OFFSET 0x800 -+ -+#define HSDMA_REG_TX_BASE 0x00 -+#define HSDMA_REG_TX_CNT 0x04 -+#define HSDMA_REG_TX_CTX 0x08 -+#define HSDMA_REG_TX_DTX 0x0c -+#define HSDMA_REG_RX_BASE 0x100 -+#define HSDMA_REG_RX_CNT 0x104 -+#define HSDMA_REG_RX_CRX 0x108 -+#define HSDMA_REG_RX_DRX 0x10c -+#define HSDMA_REG_INFO 0x200 -+#define HSDMA_REG_GLO_CFG 0x204 -+#define HSDMA_REG_RST_CFG 0x208 -+#define HSDMA_REG_DELAY_INT 0x20c -+#define HSDMA_REG_FREEQ_THRES 0x210 -+#define HSDMA_REG_INT_STATUS 0x220 -+#define HSDMA_REG_INT_MASK 0x228 -+#define HSDMA_REG_SCH_Q01 0x280 -+#define HSDMA_REG_SCH_Q23 0x284 -+ -+#define HSDMA_DESCS_MAX 0xfff -+#define HSDMA_DESCS_NUM 8 -+#define HSDMA_DESCS_MASK (HSDMA_DESCS_NUM - 1) -+#define HSDMA_NEXT_DESC(x) (((x) + 1) & HSDMA_DESCS_MASK) -+ -+/* HSDMA_REG_INFO */ -+#define HSDMA_INFO_INDEX_MASK 0xf -+#define HSDMA_INFO_INDEX_SHIFT 24 -+#define HSDMA_INFO_BASE_MASK 0xff -+#define HSDMA_INFO_BASE_SHIFT 16 -+#define HSDMA_INFO_RX_MASK 0xff -+#define HSDMA_INFO_RX_SHIFT 8 -+#define HSDMA_INFO_TX_MASK 0xff -+#define HSDMA_INFO_TX_SHIFT 0 -+ -+/* HSDMA_REG_GLO_CFG */ -+#define HSDMA_GLO_TX_2B_OFFSET BIT(31) -+#define HSDMA_GLO_CLK_GATE BIT(30) -+#define HSDMA_GLO_BYTE_SWAP BIT(29) -+#define HSDMA_GLO_MULTI_DMA BIT(10) -+#define HSDMA_GLO_TWO_BUF BIT(9) -+#define HSDMA_GLO_32B_DESC BIT(8) -+#define HSDMA_GLO_BIG_ENDIAN BIT(7) -+#define HSDMA_GLO_TX_DONE BIT(6) -+#define HSDMA_GLO_BT_MASK 0x3 -+#define HSDMA_GLO_BT_SHIFT 4 -+#define HSDMA_GLO_RX_BUSY BIT(3) -+#define HSDMA_GLO_RX_DMA BIT(2) -+#define HSDMA_GLO_TX_BUSY BIT(1) -+#define HSDMA_GLO_TX_DMA BIT(0) -+ -+#define HSDMA_BT_SIZE_16BYTES (0 << HSDMA_GLO_BT_SHIFT) -+#define HSDMA_BT_SIZE_32BYTES (1 << HSDMA_GLO_BT_SHIFT) -+#define HSDMA_BT_SIZE_64BYTES (2 << HSDMA_GLO_BT_SHIFT) -+#define HSDMA_BT_SIZE_128BYTES (3 << HSDMA_GLO_BT_SHIFT) -+ -+#define HSDMA_GLO_DEFAULT (HSDMA_GLO_MULTI_DMA | \ -+ HSDMA_GLO_RX_DMA | HSDMA_GLO_TX_DMA | HSDMA_BT_SIZE_32BYTES) -+ -+/* HSDMA_REG_RST_CFG */ -+#define HSDMA_RST_RX_SHIFT 16 -+#define HSDMA_RST_TX_SHIFT 0 -+ -+/* HSDMA_REG_DELAY_INT */ -+#define HSDMA_DELAY_INT_EN BIT(15) -+#define HSDMA_DELAY_PEND_OFFSET 8 -+#define HSDMA_DELAY_TIME_OFFSET 0 -+#define HSDMA_DELAY_TX_OFFSET 16 -+#define HSDMA_DELAY_RX_OFFSET 0 -+ -+#define HSDMA_DELAY_INIT(x) (HSDMA_DELAY_INT_EN | \ -+ ((x) << HSDMA_DELAY_PEND_OFFSET)) -+#define HSDMA_DELAY(x) ((HSDMA_DELAY_INIT(x) << \ -+ HSDMA_DELAY_TX_OFFSET) | HSDMA_DELAY_INIT(x)) -+ -+/* HSDMA_REG_INT_STATUS */ -+#define HSDMA_INT_DELAY_RX_COH BIT(31) -+#define HSDMA_INT_DELAY_RX_INT BIT(30) -+#define HSDMA_INT_DELAY_TX_COH BIT(29) -+#define HSDMA_INT_DELAY_TX_INT BIT(28) -+#define HSDMA_INT_RX_MASK 0x3 -+#define HSDMA_INT_RX_SHIFT 16 -+#define HSDMA_INT_RX_Q0 BIT(16) -+#define HSDMA_INT_TX_MASK 0xf -+#define HSDMA_INT_TX_SHIFT 0 -+#define HSDMA_INT_TX_Q0 BIT(0) -+ -+/* tx/rx dma desc flags */ -+#define HSDMA_PLEN_MASK 0x3fff -+#define HSDMA_DESC_DONE BIT(31) -+#define HSDMA_DESC_LS0 BIT(30) -+#define HSDMA_DESC_PLEN0(_x) (((_x) & HSDMA_PLEN_MASK) << 16) -+#define HSDMA_DESC_TAG BIT(15) -+#define HSDMA_DESC_LS1 BIT(14) -+#define HSDMA_DESC_PLEN1(_x) ((_x) & HSDMA_PLEN_MASK) -+ -+/* align 4 bytes */ -+#define HSDMA_ALIGN_SIZE 3 -+/* align size 128bytes */ -+#define HSDMA_MAX_PLEN 0x3f80 -+ -+struct hsdma_desc { -+ u32 addr0; -+ u32 flags; -+ u32 addr1; -+ u32 unused; -+}; -+ -+struct mtk_hsdma_sg { -+ dma_addr_t src_addr; -+ dma_addr_t dst_addr; -+ u32 len; -+}; -+ -+struct mtk_hsdma_desc { -+ struct virt_dma_desc vdesc; -+ unsigned int num_sgs; -+ struct mtk_hsdma_sg sg[1]; -+}; -+ -+struct mtk_hsdma_chan { -+ struct virt_dma_chan vchan; -+ unsigned int id; -+ dma_addr_t desc_addr; -+ int tx_idx; -+ int rx_idx; -+ struct hsdma_desc *tx_ring; -+ struct hsdma_desc *rx_ring; -+ struct mtk_hsdma_desc *desc; -+ unsigned int next_sg; -+}; -+ -+struct mtk_hsdam_engine { -+ struct dma_device ddev; -+ struct device_dma_parameters dma_parms; -+ void __iomem *base; -+ struct tasklet_struct task; -+ volatile unsigned long chan_issued; -+ -+ struct mtk_hsdma_chan chan[1]; -+}; -+ -+static inline struct mtk_hsdam_engine *mtk_hsdma_chan_get_dev( -+ struct mtk_hsdma_chan *chan) -+{ -+ return container_of(chan->vchan.chan.device, struct mtk_hsdam_engine, -+ ddev); -+} -+ -+static inline struct mtk_hsdma_chan *to_mtk_hsdma_chan(struct dma_chan *c) -+{ -+ return container_of(c, struct mtk_hsdma_chan, vchan.chan); -+} -+ -+static inline struct mtk_hsdma_desc *to_mtk_hsdma_desc( -+ struct virt_dma_desc *vdesc) -+{ -+ return container_of(vdesc, struct mtk_hsdma_desc, vdesc); -+} -+ -+static inline u32 mtk_hsdma_read(struct mtk_hsdam_engine *hsdma, u32 reg) -+{ -+ return readl(hsdma->base + reg); -+} -+ -+static inline void mtk_hsdma_write(struct mtk_hsdam_engine *hsdma, -+ unsigned reg, u32 val) -+{ -+ writel(val, hsdma->base + reg); -+} -+ -+static void mtk_hsdma_reset_chan(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ chan->tx_idx = 0; -+ chan->rx_idx = HSDMA_DESCS_NUM - 1; -+ -+ mtk_hsdma_write(hsdma, HSDMA_REG_TX_CTX, chan->tx_idx); -+ mtk_hsdma_write(hsdma, HSDMA_REG_RX_CRX, chan->rx_idx); -+ -+ mtk_hsdma_write(hsdma, HSDMA_REG_RST_CFG, -+ 0x1 << (chan->id + HSDMA_RST_TX_SHIFT)); -+ mtk_hsdma_write(hsdma, HSDMA_REG_RST_CFG, -+ 0x1 << (chan->id + HSDMA_RST_RX_SHIFT)); -+} -+ -+static void hsdma_dump_reg(struct mtk_hsdam_engine *hsdma) -+{ -+ dev_dbg(hsdma->ddev.dev, "tbase %08x, tcnt %08x, " \ -+ "tctx %08x, tdtx: %08x, rbase %08x, " \ -+ "rcnt %08x, rctx %08x, rdtx %08x\n", -+ mtk_hsdma_read(hsdma, HSDMA_REG_TX_BASE), -+ mtk_hsdma_read(hsdma, HSDMA_REG_TX_CNT), -+ mtk_hsdma_read(hsdma, HSDMA_REG_TX_CTX), -+ mtk_hsdma_read(hsdma, HSDMA_REG_TX_DTX), -+ mtk_hsdma_read(hsdma, HSDMA_REG_RX_BASE), -+ mtk_hsdma_read(hsdma, HSDMA_REG_RX_CNT), -+ mtk_hsdma_read(hsdma, HSDMA_REG_RX_CRX), -+ mtk_hsdma_read(hsdma, HSDMA_REG_RX_DRX)); -+ -+ dev_dbg(hsdma->ddev.dev, "info %08x, glo %08x, delay %08x, " \ -+ "intr_stat %08x, intr_mask %08x\n", -+ mtk_hsdma_read(hsdma, HSDMA_REG_INFO), -+ mtk_hsdma_read(hsdma, HSDMA_REG_GLO_CFG), -+ mtk_hsdma_read(hsdma, HSDMA_REG_DELAY_INT), -+ mtk_hsdma_read(hsdma, HSDMA_REG_INT_STATUS), -+ mtk_hsdma_read(hsdma, HSDMA_REG_INT_MASK)); -+} -+ -+static void hsdma_dump_desc(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ struct hsdma_desc *tx_desc; -+ struct hsdma_desc *rx_desc; -+ int i; -+ -+ dev_dbg(hsdma->ddev.dev, "tx idx: %d, rx idx: %d\n", -+ chan->tx_idx, chan->rx_idx); -+ -+ for (i = 0; i < HSDMA_DESCS_NUM; i++) { -+ tx_desc = &chan->tx_ring[i]; -+ rx_desc = &chan->rx_ring[i]; -+ -+ dev_dbg(hsdma->ddev.dev, "%d tx addr0: %08x, flags %08x, " \ -+ "tx addr1: %08x, rx addr0 %08x, flags %08x\n", -+ i, tx_desc->addr0, tx_desc->flags, \ -+ tx_desc->addr1, rx_desc->addr0, rx_desc->flags); -+ } -+} -+ -+static void mtk_hsdma_reset(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ int i; -+ -+ /* disable dma */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_GLO_CFG, 0); -+ -+ /* disable intr */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_INT_MASK, 0); -+ -+ /* init desc value */ -+ for (i = 0; i < HSDMA_DESCS_NUM; i++) { -+ chan->tx_ring[i].addr0 = 0; -+ chan->tx_ring[i].flags = HSDMA_DESC_LS0 | -+ HSDMA_DESC_DONE; -+ } -+ for (i = 0; i < HSDMA_DESCS_NUM; i++) { -+ chan->rx_ring[i].addr0 = 0; -+ chan->rx_ring[i].flags = 0; -+ } -+ -+ /* reset */ -+ mtk_hsdma_reset_chan(hsdma, chan); -+ -+ /* enable intr */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_INT_MASK, HSDMA_INT_RX_Q0); -+ -+ /* enable dma */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_GLO_CFG, HSDMA_GLO_DEFAULT); -+} -+ -+static int mtk_hsdma_terminate_all(struct dma_chan *c) -+{ -+ struct mtk_hsdma_chan *chan = to_mtk_hsdma_chan(c); -+ struct mtk_hsdam_engine *hsdma = mtk_hsdma_chan_get_dev(chan); -+ unsigned long timeout; -+ LIST_HEAD(head); -+ -+ spin_lock_bh(&chan->vchan.lock); -+ chan->desc = NULL; -+ clear_bit(chan->id, &hsdma->chan_issued); -+ vchan_get_all_descriptors(&chan->vchan, &head); -+ spin_unlock_bh(&chan->vchan.lock); -+ -+ vchan_dma_desc_free_list(&chan->vchan, &head); -+ -+ /* wait dma transfer complete */ -+ timeout = jiffies + msecs_to_jiffies(2000); -+ while (mtk_hsdma_read(hsdma, HSDMA_REG_GLO_CFG) & -+ (HSDMA_GLO_RX_BUSY | HSDMA_GLO_TX_BUSY)) { -+ if (time_after_eq(jiffies, timeout)) { -+ hsdma_dump_desc(hsdma, chan); -+ mtk_hsdma_reset(hsdma, chan); -+ dev_err(hsdma->ddev.dev, "timeout, reset it\n"); -+ break; -+ } -+ cpu_relax(); -+ } -+ -+ return 0; -+} -+ -+static int mtk_hsdma_start_transfer(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ dma_addr_t src, dst; -+ size_t len, tlen; -+ struct hsdma_desc *tx_desc, *rx_desc; -+ struct mtk_hsdma_sg *sg; -+ unsigned int i; -+ int rx_idx; -+ -+ sg = &chan->desc->sg[0]; -+ len = sg->len; -+ chan->desc->num_sgs = DIV_ROUND_UP(len, HSDMA_MAX_PLEN); -+ -+ /* tx desc */ -+ src = sg->src_addr; -+ for (i = 0; i < chan->desc->num_sgs; i++) { -+ if (len > HSDMA_MAX_PLEN) -+ tlen = HSDMA_MAX_PLEN; -+ else -+ tlen = len; -+ -+ if (i & 0x1) { -+ tx_desc->addr1 = src; -+ tx_desc->flags |= HSDMA_DESC_PLEN1(tlen); -+ } else { -+ tx_desc = &chan->tx_ring[chan->tx_idx]; -+ tx_desc->addr0 = src; -+ tx_desc->flags = HSDMA_DESC_PLEN0(tlen); -+ -+ /* update index */ -+ chan->tx_idx = HSDMA_NEXT_DESC(chan->tx_idx); -+ } -+ -+ src += tlen; -+ len -= tlen; -+ } -+ if (i & 0x1) -+ tx_desc->flags |= HSDMA_DESC_LS0; -+ else -+ tx_desc->flags |= HSDMA_DESC_LS1; -+ -+ /* rx desc */ -+ rx_idx = HSDMA_NEXT_DESC(chan->rx_idx); -+ len = sg->len; -+ dst = sg->dst_addr; -+ for (i = 0; i < chan->desc->num_sgs; i++) { -+ rx_desc = &chan->rx_ring[rx_idx]; -+ if (len > HSDMA_MAX_PLEN) -+ tlen = HSDMA_MAX_PLEN; -+ else -+ tlen = len; -+ -+ rx_desc->addr0 = dst; -+ rx_desc->flags = HSDMA_DESC_PLEN0(tlen); -+ -+ dst += tlen; -+ len -= tlen; -+ -+ /* update index */ -+ rx_idx = HSDMA_NEXT_DESC(rx_idx); -+ } -+ -+ /* make sure desc and index all up to date */ -+ wmb(); -+ mtk_hsdma_write(hsdma, HSDMA_REG_TX_CTX, chan->tx_idx); -+ -+ return 0; -+} -+ -+static int gdma_next_desc(struct mtk_hsdma_chan *chan) -+{ -+ struct virt_dma_desc *vdesc; -+ -+ vdesc = vchan_next_desc(&chan->vchan); -+ if (!vdesc) { -+ chan->desc = NULL; -+ return 0; -+ } -+ chan->desc = to_mtk_hsdma_desc(vdesc); -+ chan->next_sg = 0; -+ -+ return 1; -+} -+ -+static void mtk_hsdma_chan_done(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ struct mtk_hsdma_desc *desc; -+ int chan_issued; -+ -+ chan_issued = 0; -+ spin_lock_bh(&chan->vchan.lock); -+ desc = chan->desc; -+ if (likely(desc)) { -+ if (chan->next_sg == desc->num_sgs) { -+ list_del(&desc->vdesc.node); -+ vchan_cookie_complete(&desc->vdesc); -+ chan_issued = gdma_next_desc(chan); -+ } -+ } else -+ dev_dbg(hsdma->ddev.dev, "no desc to complete\n"); -+ -+ if (chan_issued) -+ set_bit(chan->id, &hsdma->chan_issued); -+ spin_unlock_bh(&chan->vchan.lock); -+} -+ -+static irqreturn_t mtk_hsdma_irq(int irq, void *devid) -+{ -+ struct mtk_hsdam_engine *hsdma = devid; -+ u32 status; -+ -+ status = mtk_hsdma_read(hsdma, HSDMA_REG_INT_STATUS); -+ if (unlikely(!status)) -+ return IRQ_NONE; -+ -+ if (likely(status & HSDMA_INT_RX_Q0)) -+ tasklet_schedule(&hsdma->task); -+ else -+ dev_dbg(hsdma->ddev.dev, "unhandle irq status %08x\n", -+ status); -+ /* clean intr bits */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_INT_STATUS, status); -+ -+ return IRQ_HANDLED; -+} -+ -+static void mtk_hsdma_issue_pending(struct dma_chan *c) -+{ -+ struct mtk_hsdma_chan *chan = to_mtk_hsdma_chan(c); -+ struct mtk_hsdam_engine *hsdma = mtk_hsdma_chan_get_dev(chan); -+ -+ spin_lock_bh(&chan->vchan.lock); -+ if (vchan_issue_pending(&chan->vchan) && !chan->desc) { -+ if (gdma_next_desc(chan)) { -+ set_bit(chan->id, &hsdma->chan_issued); -+ tasklet_schedule(&hsdma->task); -+ } else -+ dev_dbg(hsdma->ddev.dev, "no desc to issue\n"); -+ } -+ spin_unlock_bh(&chan->vchan.lock); -+} -+ -+static struct dma_async_tx_descriptor * mtk_hsdma_prep_dma_memcpy( -+ struct dma_chan *c, dma_addr_t dest, dma_addr_t src, -+ size_t len, unsigned long flags) -+{ -+ struct mtk_hsdma_chan *chan = to_mtk_hsdma_chan(c); -+ struct mtk_hsdma_desc *desc; -+ -+ if (len <= 0) -+ return NULL; -+ -+ desc = kzalloc(sizeof(struct mtk_hsdma_desc), GFP_ATOMIC); -+ if (!desc) { -+ dev_err(c->device->dev, "alloc memcpy decs error\n"); -+ return NULL; -+ } -+ -+ desc->sg[0].src_addr = src; -+ desc->sg[0].dst_addr = dest; -+ desc->sg[0].len = len; -+ -+ return vchan_tx_prep(&chan->vchan, &desc->vdesc, flags); -+} -+ -+static enum dma_status mtk_hsdma_tx_status(struct dma_chan *c, -+ dma_cookie_t cookie, struct dma_tx_state *state) -+{ -+ return dma_cookie_status(c, cookie, state); -+} -+ -+static void mtk_hsdma_free_chan_resources(struct dma_chan *c) -+{ -+ vchan_free_chan_resources(to_virt_chan(c)); -+} -+ -+static void mtk_hsdma_desc_free(struct virt_dma_desc *vdesc) -+{ -+ kfree(container_of(vdesc, struct mtk_hsdma_desc, vdesc)); -+} -+ -+static void mtk_hsdma_tx(struct mtk_hsdam_engine *hsdma) -+{ -+ struct mtk_hsdma_chan *chan; -+ -+ if (test_and_clear_bit(0, &hsdma->chan_issued)) { -+ chan = &hsdma->chan[0]; -+ if (chan->desc) { -+ mtk_hsdma_start_transfer(hsdma, chan); -+ } else -+ dev_dbg(hsdma->ddev.dev,"chan 0 no desc to issue\n"); -+ } -+} -+ -+static void mtk_hsdma_rx(struct mtk_hsdam_engine *hsdma) -+{ -+ struct mtk_hsdma_chan *chan; -+ int next_idx, drx_idx, cnt; -+ -+ chan = &hsdma->chan[0]; -+ next_idx = HSDMA_NEXT_DESC(chan->rx_idx); -+ drx_idx = mtk_hsdma_read(hsdma, HSDMA_REG_RX_DRX); -+ -+ cnt = (drx_idx - next_idx) & HSDMA_DESCS_MASK; -+ if (!cnt) -+ return; -+ -+ chan->next_sg += cnt; -+ chan->rx_idx = (chan->rx_idx + cnt) & HSDMA_DESCS_MASK; -+ -+ /* update rx crx */ -+ wmb(); -+ mtk_hsdma_write(hsdma, HSDMA_REG_RX_CRX, chan->rx_idx); -+ -+ mtk_hsdma_chan_done(hsdma, chan); -+} -+ -+static void mtk_hsdma_tasklet(unsigned long arg) -+{ -+ struct mtk_hsdam_engine *hsdma = (struct mtk_hsdam_engine *)arg; -+ -+ mtk_hsdma_rx(hsdma); -+ mtk_hsdma_tx(hsdma); -+} -+ -+static int mtk_hsdam_alloc_desc(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ int i; -+ -+ chan->tx_ring = dma_alloc_coherent(hsdma->ddev.dev, -+ 2 * HSDMA_DESCS_NUM * sizeof(*chan->tx_ring), -+ &chan->desc_addr, GFP_ATOMIC | __GFP_ZERO); -+ if (!chan->tx_ring) -+ goto no_mem; -+ -+ chan->rx_ring = &chan->tx_ring[HSDMA_DESCS_NUM]; -+ -+ /* init tx ring value */ -+ for (i = 0; i < HSDMA_DESCS_NUM; i++) -+ chan->tx_ring[i].flags = HSDMA_DESC_LS0 | HSDMA_DESC_DONE; -+ -+ return 0; -+no_mem: -+ return -ENOMEM; -+} -+ -+static void mtk_hsdam_free_desc(struct mtk_hsdam_engine *hsdma, -+ struct mtk_hsdma_chan *chan) -+{ -+ if (chan->tx_ring) { -+ dma_free_coherent(hsdma->ddev.dev, -+ 2 * HSDMA_DESCS_NUM * sizeof(*chan->tx_ring), -+ chan->tx_ring, chan->desc_addr); -+ chan->tx_ring = NULL; -+ chan->rx_ring = NULL; -+ } -+} -+ -+static int mtk_hsdma_init(struct mtk_hsdam_engine *hsdma) -+{ -+ struct mtk_hsdma_chan *chan; -+ int ret; -+ u32 reg; -+ -+ /* init desc */ -+ chan = &hsdma->chan[0]; -+ ret = mtk_hsdam_alloc_desc(hsdma, chan); -+ if (ret) -+ return ret; -+ -+ /* tx */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_TX_BASE, chan->desc_addr); -+ mtk_hsdma_write(hsdma, HSDMA_REG_TX_CNT, HSDMA_DESCS_NUM); -+ /* rx */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_RX_BASE, chan->desc_addr + -+ (sizeof(struct hsdma_desc) * HSDMA_DESCS_NUM)); -+ mtk_hsdma_write(hsdma, HSDMA_REG_RX_CNT, HSDMA_DESCS_NUM); -+ /* reset */ -+ mtk_hsdma_reset_chan(hsdma, chan); -+ -+ /* enable rx intr */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_INT_MASK, HSDMA_INT_RX_Q0); -+ -+ /* enable dma */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_GLO_CFG, HSDMA_GLO_DEFAULT); -+ -+ /* hardware info */ -+ reg = mtk_hsdma_read(hsdma, HSDMA_REG_INFO); -+ dev_info(hsdma->ddev.dev, "rx: %d, tx: %d\n", -+ (reg >> HSDMA_INFO_RX_SHIFT) & HSDMA_INFO_RX_MASK, -+ (reg >> HSDMA_INFO_TX_SHIFT) & HSDMA_INFO_TX_MASK); -+ -+ hsdma_dump_reg(hsdma); -+ -+ return ret; -+} -+ -+static void mtk_hsdma_uninit(struct mtk_hsdam_engine *hsdma) -+{ -+ struct mtk_hsdma_chan *chan; -+ -+ /* disable dma */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_GLO_CFG, 0); -+ -+ /* disable intr */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_INT_MASK, 0); -+ -+ /* free desc */ -+ chan = &hsdma->chan[0]; -+ mtk_hsdam_free_desc(hsdma, chan); -+ -+ /* tx */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_TX_BASE, 0); -+ mtk_hsdma_write(hsdma, HSDMA_REG_TX_CNT, 0); -+ /* rx */ -+ mtk_hsdma_write(hsdma, HSDMA_REG_RX_BASE, 0); -+ mtk_hsdma_write(hsdma, HSDMA_REG_RX_CNT, 0); -+ /* reset */ -+ mtk_hsdma_reset_chan(hsdma, chan); -+} -+ -+static const struct of_device_id mtk_hsdma_of_match[] = { -+ { .compatible = "mediatek,mt7621-hsdma" }, -+ { }, -+}; -+ -+static int mtk_hsdma_probe(struct platform_device *pdev) -+{ -+ const struct of_device_id *match; -+ struct mtk_hsdma_chan *chan; -+ struct mtk_hsdam_engine *hsdma; -+ struct dma_device *dd; -+ struct resource *res; -+ int ret; -+ int irq; -+ void __iomem *base; -+ -+ ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); -+ if (ret) -+ return ret; -+ -+ match = of_match_device(mtk_hsdma_of_match, &pdev->dev); -+ if (!match) -+ return -EINVAL; -+ -+ hsdma = devm_kzalloc(&pdev->dev, sizeof(*hsdma), GFP_KERNEL); -+ if (!hsdma) { -+ dev_err(&pdev->dev, "alloc dma device failed\n"); -+ return -EINVAL; -+ } -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ base = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(base)) -+ return PTR_ERR(base); -+ hsdma->base = base + HSDMA_BASE_OFFSET; -+ tasklet_init(&hsdma->task, mtk_hsdma_tasklet, (unsigned long)hsdma); -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) { -+ dev_err(&pdev->dev, "failed to get irq\n"); -+ return -EINVAL; -+ } -+ ret = devm_request_irq(&pdev->dev, irq, mtk_hsdma_irq, -+ 0, dev_name(&pdev->dev), hsdma); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to request irq\n"); -+ return ret; -+ } -+ -+ device_reset(&pdev->dev); -+ -+ dd = &hsdma->ddev; -+ dma_cap_set(DMA_MEMCPY, dd->cap_mask); -+ dd->copy_align = HSDMA_ALIGN_SIZE; -+ dd->device_free_chan_resources = mtk_hsdma_free_chan_resources; -+ dd->device_prep_dma_memcpy = mtk_hsdma_prep_dma_memcpy; -+ dd->device_terminate_all = mtk_hsdma_terminate_all; -+ dd->device_tx_status = mtk_hsdma_tx_status; -+ dd->device_issue_pending = mtk_hsdma_issue_pending; -+ dd->dev = &pdev->dev; -+ dd->dev->dma_parms = &hsdma->dma_parms; -+ dma_set_max_seg_size(dd->dev, HSDMA_MAX_PLEN); -+ INIT_LIST_HEAD(&dd->channels); -+ -+ chan = &hsdma->chan[0]; -+ chan->id = 0; -+ chan->vchan.desc_free = mtk_hsdma_desc_free; -+ vchan_init(&chan->vchan, dd); -+ -+ /* init hardware */ -+ ret = mtk_hsdma_init(hsdma); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to alloc ring descs\n"); -+ return ret; -+ } -+ -+ ret = dma_async_device_register(dd); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to register dma device\n"); -+ return ret; -+ } -+ -+ ret = of_dma_controller_register(pdev->dev.of_node, -+ of_dma_xlate_by_chan_id, hsdma); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to register of dma controller\n"); -+ goto err_unregister; -+ } -+ -+ platform_set_drvdata(pdev, hsdma); -+ -+ return 0; -+ -+err_unregister: -+ dma_async_device_unregister(dd); -+ return ret; -+} -+ -+static int mtk_hsdma_remove(struct platform_device *pdev) -+{ -+ struct mtk_hsdam_engine *hsdma = platform_get_drvdata(pdev); -+ -+ mtk_hsdma_uninit(hsdma); -+ -+ of_dma_controller_free(pdev->dev.of_node); -+ dma_async_device_unregister(&hsdma->ddev); -+ -+ return 0; -+} -+ -+static struct platform_driver mtk_hsdma_driver = { -+ .probe = mtk_hsdma_probe, -+ .remove = mtk_hsdma_remove, -+ .driver = { -+ .name = "hsdma-mt7621", -+ .of_match_table = mtk_hsdma_of_match, -+ }, -+}; -+module_platform_driver(mtk_hsdma_driver); -+ -+MODULE_AUTHOR("Michael Lee <igvtee@gmail.com>"); -+MODULE_DESCRIPTION("MTK HSDMA driver"); -+MODULE_LICENSE("GPL v2"); diff --git a/target/linux/ramips/patches-4.9/0048-asoc-add-mt7620-support.patch b/target/linux/ramips/patches-4.9/0048-asoc-add-mt7620-support.patch deleted file mode 100644 index 720ebd3476..0000000000 --- a/target/linux/ramips/patches-4.9/0048-asoc-add-mt7620-support.patch +++ /dev/null @@ -1,1046 +0,0 @@ -From 7f29222b1731e8182ba94a331531dec18865a1e4 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sun, 27 Jul 2014 09:31:47 +0100 -Subject: [PATCH 48/53] 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 | 436 ++++++++++++++++++++++++++++++++++++++ - sound/soc/ralink/mt7620-wm8960.c | 233 ++++++++++++++++++++ - 7 files changed, 699 insertions(+) - 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 -@@ -58,6 +58,7 @@ source "sound/soc/mxs/Kconfig" - source "sound/soc/pxa/Kconfig" - source "sound/soc/qcom/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 -@@ -38,6 +38,7 @@ obj-$(CONFIG_SND_SOC) += kirkwood/ - obj-$(CONFIG_SND_SOC) += pxa/ - obj-$(CONFIG_SND_SOC) += qcom/ - obj-$(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 +1,8 @@ -+config SND_RALINK_SOC_I2S -+ depends on RALINK && SND_SOC && !SOC_RT288X -+ select SND_SOC_GENERIC_DMAENGINE_PCM -+ select REGMAP_MMIO -+ tristate "SoC Audio (I2S protocol) for Ralink SoC" -+ help -+ Say Y if you want to use I2S protocol and I2S codec on Ralink/MediaTek -+ based boards. ---- /dev/null -+++ b/sound/soc/ralink/Makefile -@@ -0,0 +1,6 @@ -+# -+# Ralink/MediaTek Platform Support -+# -+snd-soc-ralink-i2s-objs := ralink-i2s.o -+ -+obj-$(CONFIG_SND_RALINK_SOC_I2S) += snd-soc-ralink-i2s.o ---- /dev/null -+++ b/sound/soc/ralink/ralink-i2s.c -@@ -0,0 +1,965 @@ -+/* -+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de> -+ * Copyright (C) 2016 Michael Lee <igvtee@gmail.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. -+ * -+ * 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/module.h> -+#include <linux/platform_device.h> -+#include <linux/clk.h> -+#include <linux/regmap.h> -+#include <linux/reset.h> -+#include <linux/debugfs.h> -+#include <linux/of_device.h> -+#include <sound/pcm_params.h> -+#include <sound/dmaengine_pcm.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#define DRV_NAME "ralink-i2s" -+ -+#define I2S_REG_CFG0 0x00 -+#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 -+ -+/* I2S_REG_CFG0 */ -+#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_THRES_MASK (0xf << I2S_REG_CFG0_RX_THRES) | \ -+ (4 << I2S_REG_CFG0_TX_THRES) -+#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \ -+ (4 << I2S_REG_CFG0_TX_THRES) -+/* RT305x */ -+#define I2S_REG_CFG0_CLK_DIS BIT(8) -+#define I2S_REG_CFG0_TXCH_SWAP BIT(3) -+#define I2S_REG_CFG0_TXCH1_OFF BIT(2) -+#define I2S_REG_CFG0_TXCH0_OFF BIT(1) -+#define I2S_REG_CFG0_SLAVE_EN BIT(0) -+/* RT3883 */ -+#define I2S_REG_CFG0_RXCH_SWAP BIT(11) -+#define I2S_REG_CFG0_RXCH1_OFF BIT(10) -+#define I2S_REG_CFG0_RXCH0_OFF BIT(9) -+#define I2S_REG_CFG0_WS_INV BIT(0) -+/* MT7628 */ -+#define I2S_REG_CFG0_FMT_LE BIT(29) -+#define I2S_REG_CFG0_SYS_BE BIT(28) -+#define I2S_REG_CFG0_NORM_24 BIT(18) -+#define I2S_REG_CFG0_DATA_24 BIT(17) -+ -+/* I2S_REG_INT_STATUS */ -+#define I2S_REG_INT_RX_FAULT BIT(7) -+#define I2S_REG_INT_RX_OVRUN BIT(6) -+#define I2S_REG_INT_RX_UNRUN BIT(5) -+#define I2S_REG_INT_RX_THRES BIT(4) -+#define I2S_REG_INT_TX_FAULT BIT(3) -+#define I2S_REG_INT_TX_OVRUN BIT(2) -+#define I2S_REG_INT_TX_UNRUN BIT(1) -+#define I2S_REG_INT_TX_THRES BIT(0) -+#define I2S_REG_INT_TX_MASK 0xf -+#define I2S_REG_INT_RX_MASK 0xf0 -+ -+/* I2S_REG_INT_STATUS */ -+#define I2S_RX_AVCNT(x) ((x >> 4) & 0xf) -+#define I2S_TX_AVCNT(x) (x & 0xf) -+/* MT7628 */ -+#define MT7628_I2S_RX_AVCNT(x) ((x >> 8) & 0x1f) -+#define MT7628_I2S_TX_AVCNT(x) (x & 0x1f) -+ -+/* I2S_REG_CFG1 */ -+#define I2S_REG_CFG1_LBK BIT(31) -+#define I2S_REG_CFG1_EXTLBK BIT(30) -+/* RT3883 */ -+#define I2S_REG_CFG1_LEFT_J BIT(0) -+#define I2S_REG_CFG1_RIGHT_J BIT(1) -+#define I2S_REG_CFG1_FMT_MASK 0x3 -+ -+/* I2S_REG_DIVCMP */ -+#define I2S_REG_DIVCMP_CLKEN BIT(31) -+#define I2S_REG_DIVCMP_DIVCOMP_MASK 0x1ff -+ -+/* I2S_REG_DIVINT */ -+#define I2S_REG_DIVINT_MASK 0x3ff -+ -+/* BCLK dividers */ -+#define RALINK_I2S_DIVCMP 0 -+#define RALINK_I2S_DIVINT 1 -+ -+/* FIFO */ -+#define RALINK_I2S_FIFO_SIZE 32 -+ -+/* feature flags */ -+#define RALINK_FLAGS_TXONLY BIT(0) -+#define RALINK_FLAGS_LEFT_J BIT(1) -+#define RALINK_FLAGS_RIGHT_J BIT(2) -+#define RALINK_FLAGS_ENDIAN BIT(3) -+#define RALINK_FLAGS_24BIT BIT(4) -+ -+#define RALINK_I2S_INT_EN 0 -+ -+struct ralink_i2s_stats { -+ u32 dmafault; -+ u32 overrun; -+ u32 underrun; -+ u32 belowthres; -+}; -+ -+struct ralink_i2s { -+ struct device *dev; -+ void __iomem *regs; -+ struct clk *clk; -+ struct regmap *regmap; -+ u32 flags; -+ unsigned int fmt; -+ u16 txdma_req; -+ u16 rxdma_req; -+ -+ struct snd_dmaengine_dai_dma_data playback_dma_data; -+ struct snd_dmaengine_dai_dma_data capture_dma_data; -+ -+ struct dentry *dbg_dir; -+ struct dentry *dbg_stats; -+ struct ralink_i2s_stats txstats; -+ struct ralink_i2s_stats rxstats; -+}; -+ -+static void ralink_i2s_dump_regs(struct ralink_i2s *i2s) -+{ -+ u32 buf[10]; -+ int ret; -+ -+ ret = regmap_bulk_read(i2s->regmap, I2S_REG_CFG0, -+ buf, ARRAY_SIZE(buf)); -+ -+ dev_dbg(i2s->dev, "CFG0: %08x, INTSTAT: %08x, INTEN: %08x, " \ -+ "FFSTAT: %08x, WREG: %08x, RREG: %08x, " \ -+ "CFG1: %08x, DIVCMP: %08x, DIVINT: %08x\n", -+ buf[0], buf[1], buf[2], buf[3], buf[4], -+ buf[5], buf[6], buf[8], buf[9]); -+} -+ -+static int ralink_i2s_set_sysclk(struct snd_soc_dai *dai, -+ int clk_id, unsigned int freq, int dir) -+{ -+ return 0; -+} -+ -+static int ralink_i2s_set_sys_bclk(struct snd_soc_dai *dai, int width, int rate) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ unsigned long clk = clk_get_rate(i2s->clk); -+ int div; -+ uint32_t data; -+ -+ /* disable clock at slave mode */ -+ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) == -+ SND_SOC_DAIFMT_CBM_CFM) { -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_CLK_DIS, -+ I2S_REG_CFG0_CLK_DIS); -+ return 0; -+ } -+ -+ /* FREQOUT = FREQIN / (I2S_CLK_DIV + 1) */ -+ div = (clk / rate ) - 1; -+ -+ data = rt_sysc_r32(0x30); -+ data &= (0xff << 8); -+ data |= (0x1 << 15) | (div << 8); -+ rt_sysc_w32(data, 0x30); -+ -+ /* enable clock */ -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_CLK_DIS, 0); -+ -+ dev_dbg(i2s->dev, "clk: %lu, rate: %u, div: %d\n", -+ clk, rate, div); -+ -+ return 0; -+} -+ -+static int ralink_i2s_set_bclk(struct snd_soc_dai *dai, int width, int rate) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ unsigned long clk = clk_get_rate(i2s->clk); -+ int divint, divcomp; -+ -+ /* disable clock at slave mode */ -+ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) == -+ SND_SOC_DAIFMT_CBM_CFM) { -+ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, -+ I2S_REG_DIVCMP_CLKEN, 0); -+ return 0; -+ } -+ -+ /* FREQOUT = FREQIN * (1/2) * (1/(DIVINT + DIVCOMP/512)) */ -+ clk = clk / (2 * 2 * width); -+ divint = clk / rate; -+ divcomp = ((clk % rate) * 512) / rate; -+ -+ if ((divint > I2S_REG_DIVINT_MASK) || -+ (divcomp > I2S_REG_DIVCMP_DIVCOMP_MASK)) -+ return -EINVAL; -+ -+ regmap_update_bits(i2s->regmap, I2S_REG_DIVINT, -+ I2S_REG_DIVINT_MASK, divint); -+ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, -+ I2S_REG_DIVCMP_DIVCOMP_MASK, divcomp); -+ -+ /* enable clock */ -+ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, I2S_REG_DIVCMP_CLKEN, -+ I2S_REG_DIVCMP_CLKEN); -+ -+ dev_dbg(i2s->dev, "clk: %lu, rate: %u, int: %d, comp: %d\n", -+ clk_get_rate(i2s->clk), rate, divint, divcomp); -+ -+ return 0; -+} -+ -+static int ralink_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ unsigned int cfg0 = 0, cfg1 = 0; -+ -+ /* set master/slave audio interface */ -+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { -+ case SND_SOC_DAIFMT_CBM_CFM: -+ if (i2s->flags & RALINK_FLAGS_TXONLY) -+ cfg0 |= I2S_REG_CFG0_SLAVE_EN; -+ else -+ cfg0 |= I2S_REG_CFG0_SLAVE; -+ break; -+ case SND_SOC_DAIFMT_CBS_CFS: -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ /* interface format */ -+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { -+ case SND_SOC_DAIFMT_I2S: -+ break; -+ case SND_SOC_DAIFMT_RIGHT_J: -+ if (i2s->flags & RALINK_FLAGS_RIGHT_J) { -+ cfg1 |= I2S_REG_CFG1_RIGHT_J; -+ break; -+ } -+ return -EINVAL; -+ case SND_SOC_DAIFMT_LEFT_J: -+ if (i2s->flags & RALINK_FLAGS_LEFT_J) { -+ cfg1 |= I2S_REG_CFG1_LEFT_J; -+ break; -+ } -+ return -EINVAL; -+ default: -+ return -EINVAL; -+ } -+ -+ /* clock inversion */ -+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { -+ case SND_SOC_DAIFMT_NB_NF: -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ if (i2s->flags & RALINK_FLAGS_TXONLY) { -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_SLAVE_EN, cfg0); -+ } else { -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_SLAVE, cfg0); -+ } -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG1, -+ I2S_REG_CFG1_FMT_MASK, cfg1); -+ i2s->fmt = fmt; -+ -+ return 0; -+} -+ -+static int ralink_i2s_startup(struct snd_pcm_substream *substream, -+ struct snd_soc_dai *dai) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ -+ if (dai->active) -+ return 0; -+ -+ /* setup status interrupt */ -+#if (RALINK_I2S_INT_EN) -+ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0xff); -+#else -+ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0x0); -+#endif -+ -+ /* enable */ -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN | -+ I2S_REG_CFG0_THRES_MASK, -+ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN | -+ I2S_REG_CFG0_DFT_THRES); -+ -+ return 0; -+} -+ -+static void ralink_i2s_shutdown(struct snd_pcm_substream *substream, -+ struct snd_soc_dai *dai) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ -+ /* If both streams are stopped, disable module and clock */ -+ if (dai->active) -+ return; -+ -+ /* -+ * datasheet mention when disable all control regs are cleared -+ * to initial values. need reinit at startup. -+ */ -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_EN, 0); -+} -+ -+static int ralink_i2s_hw_params(struct snd_pcm_substream *substream, -+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ int width; -+ int ret; -+ -+ width = params_width(params); -+ switch (width) { -+ case 16: -+ if (i2s->flags & RALINK_FLAGS_24BIT) -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_DATA_24, 0); -+ break; -+ case 24: -+ if (i2s->flags & RALINK_FLAGS_24BIT) { -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_DATA_24, -+ I2S_REG_CFG0_DATA_24); -+ break; -+ } -+ return -EINVAL; -+ default: -+ return -EINVAL; -+ } -+ -+ switch (params_channels(params)) { -+ case 2: -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ if (i2s->flags & RALINK_FLAGS_ENDIAN) { -+ /* system endian */ -+#ifdef SNDRV_LITTLE_ENDIAN -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_SYS_BE, 0); -+#else -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_SYS_BE, -+ I2S_REG_CFG0_SYS_BE); -+#endif -+ -+ /* data endian */ -+ switch (params_format(params)) { -+ case SNDRV_PCM_FORMAT_S16_LE: -+ case SNDRV_PCM_FORMAT_S24_LE: -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_FMT_LE, -+ I2S_REG_CFG0_FMT_LE); -+ break; -+ case SNDRV_PCM_FORMAT_S16_BE: -+ case SNDRV_PCM_FORMAT_S24_BE: -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, -+ I2S_REG_CFG0_FMT_LE, 0); -+ break; -+ default: -+ return -EINVAL; -+ } -+ } -+ -+ /* setup bclk rate */ -+ if (i2s->flags & RALINK_FLAGS_TXONLY) -+ ret = ralink_i2s_set_sys_bclk(dai, width, params_rate(params)); -+ else -+ ret = ralink_i2s_set_bclk(dai, width, params_rate(params)); -+ -+ return ret; -+} -+ -+static int ralink_i2s_trigger(struct snd_pcm_substream *substream, int cmd, -+ struct snd_soc_dai *dai) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ unsigned int mask, val; -+ -+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) -+ mask = I2S_REG_CFG0_TX_EN; -+ else -+ mask = I2S_REG_CFG0_RX_EN; -+ -+ switch (cmd) { -+ case SNDRV_PCM_TRIGGER_START: -+ case SNDRV_PCM_TRIGGER_RESUME: -+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: -+ val = mask; -+ break; -+ case SNDRV_PCM_TRIGGER_STOP: -+ case SNDRV_PCM_TRIGGER_SUSPEND: -+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: -+ val = 0; -+ break; -+ default: -+ return -EINVAL; -+ } -+ -+ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, mask, val); -+ -+ return 0; -+} -+ -+static void ralink_i2s_init_dma_data(struct ralink_i2s *i2s, -+ struct resource *res) -+{ -+ struct snd_dmaengine_dai_dma_data *dma_data; -+ -+ /* Playback */ -+ dma_data = &i2s->playback_dma_data; -+ dma_data->addr = res->start + I2S_REG_WREG; -+ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; -+ dma_data->maxburst = 1; -+ dma_data->slave_id = i2s->txdma_req; -+ -+ if (i2s->flags & RALINK_FLAGS_TXONLY) -+ return; -+ -+ /* Capture */ -+ dma_data = &i2s->capture_dma_data; -+ dma_data->addr = res->start + I2S_REG_RREG; -+ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; -+ dma_data->maxburst = 1; -+ dma_data->slave_id = i2s->rxdma_req; -+} -+ -+static int ralink_i2s_dai_probe(struct snd_soc_dai *dai) -+{ -+ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); -+ -+ snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data, -+ &i2s->capture_dma_data); -+ -+ return 0; -+} -+ -+static int ralink_i2s_dai_remove(struct snd_soc_dai *dai) -+{ -+ return 0; -+} -+ -+static const struct snd_soc_dai_ops ralink_i2s_dai_ops = { -+ .set_sysclk = ralink_i2s_set_sysclk, -+ .set_fmt = ralink_i2s_set_fmt, -+ .startup = ralink_i2s_startup, -+ .shutdown = ralink_i2s_shutdown, -+ .hw_params = ralink_i2s_hw_params, -+ .trigger = ralink_i2s_trigger, -+}; -+ -+static struct snd_soc_dai_driver ralink_i2s_dai = { -+ .name = DRV_NAME, -+ .probe = ralink_i2s_dai_probe, -+ .remove = ralink_i2s_dai_remove, -+ .ops = &ralink_i2s_dai_ops, -+ .capture = { -+ .stream_name = "I2S Capture", -+ .channels_min = 2, -+ .channels_max = 2, -+ .rate_min = 5512, -+ .rate_max = 192000, -+ .rates = SNDRV_PCM_RATE_CONTINUOUS, -+ .formats = SNDRV_PCM_FMTBIT_S16_LE, -+ }, -+ .playback = { -+ .stream_name = "I2S Playback", -+ .channels_min = 2, -+ .channels_max = 2, -+ .rate_min = 5512, -+ .rate_max = 192000, -+ .rates = SNDRV_PCM_RATE_CONTINUOUS, -+ .formats = SNDRV_PCM_FMTBIT_S16_LE, -+ }, -+ .symmetric_rates = 1, -+}; -+ -+static struct snd_pcm_hardware ralink_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, -+ .channels_min = 2, -+ .channels_max = 2, -+ .period_bytes_min = PAGE_SIZE, -+ .period_bytes_max = PAGE_SIZE * 2, -+ .periods_min = 2, -+ .periods_max = 128, -+ .buffer_bytes_max = 128 * 1024, -+ .fifo_size = RALINK_I2S_FIFO_SIZE, -+}; -+ -+static const struct snd_dmaengine_pcm_config ralink_dmaengine_pcm_config = { -+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, -+ .pcm_hardware = &ralink_pcm_hardware, -+ .prealloc_buffer_size = 256 * PAGE_SIZE, -+}; -+ -+static const struct snd_soc_component_driver ralink_i2s_component = { -+ .name = DRV_NAME, -+}; -+ -+static bool ralink_i2s_readable_reg(struct device *dev, unsigned int reg) -+{ -+ return true; -+} -+ -+static bool ralink_i2s_volatile_reg(struct device *dev, unsigned int reg) -+{ -+ switch (reg) { -+ case I2S_REG_INT_STATUS: -+ case I2S_REG_FF_STATUS: -+ return true; -+ } -+ return false; -+} -+ -+static bool ralink_i2s_writeable_reg(struct device *dev, unsigned int reg) -+{ -+ switch (reg) { -+ case I2S_REG_FF_STATUS: -+ case I2S_REG_RREG: -+ return false; -+ } -+ return true; -+} -+ -+static const struct regmap_config ralink_i2s_regmap_config = { -+ .reg_bits = 32, -+ .reg_stride = 4, -+ .val_bits = 32, -+ .writeable_reg = ralink_i2s_writeable_reg, -+ .readable_reg = ralink_i2s_readable_reg, -+ .volatile_reg = ralink_i2s_volatile_reg, -+ .max_register = I2S_REG_DIVINT, -+}; -+ -+#if (RALINK_I2S_INT_EN) -+static irqreturn_t ralink_i2s_irq(int irq, void *devid) -+{ -+ struct ralink_i2s *i2s = devid; -+ u32 status; -+ -+ regmap_read(i2s->regmap, I2S_REG_INT_STATUS, &status); -+ if (unlikely(!status)) -+ return IRQ_NONE; -+ -+ /* tx stats */ -+ if (status & I2S_REG_INT_TX_MASK) { -+ if (status & I2S_REG_INT_TX_THRES) -+ i2s->txstats.belowthres++; -+ if (status & I2S_REG_INT_TX_UNRUN) -+ i2s->txstats.underrun++; -+ if (status & I2S_REG_INT_TX_OVRUN) -+ i2s->txstats.overrun++; -+ if (status & I2S_REG_INT_TX_FAULT) -+ i2s->txstats.dmafault++; -+ } -+ -+ /* rx stats */ -+ if (status & I2S_REG_INT_RX_MASK) { -+ if (status & I2S_REG_INT_RX_THRES) -+ i2s->rxstats.belowthres++; -+ if (status & I2S_REG_INT_RX_UNRUN) -+ i2s->rxstats.underrun++; -+ if (status & I2S_REG_INT_RX_OVRUN) -+ i2s->rxstats.overrun++; -+ if (status & I2S_REG_INT_RX_FAULT) -+ i2s->rxstats.dmafault++; -+ } -+ -+ /* clean status bits */ -+ regmap_write(i2s->regmap, I2S_REG_INT_STATUS, status); -+ -+ return IRQ_HANDLED; -+} -+#endif -+ -+#if IS_ENABLED(CONFIG_DEBUG_FS) -+static int ralink_i2s_stats_show(struct seq_file *s, void *unused) -+{ -+ struct ralink_i2s *i2s = s->private; -+ -+ seq_printf(s, "tx stats\n"); -+ seq_printf(s, "\tbelow threshold\t%u\n", i2s->txstats.belowthres); -+ seq_printf(s, "\tunder run\t%u\n", i2s->txstats.underrun); -+ seq_printf(s, "\tover run\t%u\n", i2s->txstats.overrun); -+ seq_printf(s, "\tdma fault\t%u\n", i2s->txstats.dmafault); -+ -+ seq_printf(s, "rx stats\n"); -+ seq_printf(s, "\tbelow threshold\t%u\n", i2s->rxstats.belowthres); -+ seq_printf(s, "\tunder run\t%u\n", i2s->rxstats.underrun); -+ seq_printf(s, "\tover run\t%u\n", i2s->rxstats.overrun); -+ seq_printf(s, "\tdma fault\t%u\n", i2s->rxstats.dmafault); -+ -+ ralink_i2s_dump_regs(i2s); -+ -+ return 0; -+} -+ -+static int ralink_i2s_stats_open(struct inode *inode, struct file *file) -+{ -+ return single_open(file, ralink_i2s_stats_show, inode->i_private); -+} -+ -+static const struct file_operations ralink_i2s_stats_ops = { -+ .open = ralink_i2s_stats_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = single_release, -+}; -+ -+static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s) -+{ -+ i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL); -+ if (!i2s->dbg_dir) -+ return -ENOMEM; -+ -+ i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO, -+ i2s->dbg_dir, i2s, &ralink_i2s_stats_ops); -+ if (!i2s->dbg_stats) { -+ debugfs_remove(i2s->dbg_dir); -+ return -ENOMEM; -+ } -+ -+ return 0; -+} -+ -+static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s) -+{ -+ debugfs_remove(i2s->dbg_stats); -+ debugfs_remove(i2s->dbg_dir); -+} -+#else -+static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s) -+{ -+ return 0; -+} -+ -+static inline void ralink_i2s_debugfs_remove(struct fsl_ssi_dbg *ssi_dbg) -+{ -+} -+#endif -+ -+/* -+ * TODO: these refclk setup functions should use -+ * clock framework instead. hardcode it now. -+ */ -+static void rt3350_refclk_setup(void) -+{ -+ uint32_t data; -+ -+ /* set refclk output 12Mhz clock */ -+ data = rt_sysc_r32(0x2c); -+ data |= (0x1 << 8); -+ rt_sysc_w32(data, 0x2c); -+} -+ -+static void rt3883_refclk_setup(void) -+{ -+ uint32_t data; -+ -+ /* set refclk output 12Mhz clock */ -+ data = rt_sysc_r32(0x2c); -+ data &= ~(0x3 << 13); -+ data |= (0x1 << 13); -+ rt_sysc_w32(data, 0x2c); -+} -+ -+static void rt3552_refclk_setup(void) -+{ -+ uint32_t data; -+ -+ /* set refclk output 12Mhz clock */ -+ data = rt_sysc_r32(0x2c); -+ data &= ~(0xf << 8); -+ data |= (0x3 << 8); -+ rt_sysc_w32(data, 0x2c); -+} -+ -+static void mt7620_refclk_setup(void) -+{ -+ uint32_t data; -+ -+ /* set refclk output 12Mhz clock */ -+ data = rt_sysc_r32(0x2c); -+ data &= ~(0x7 << 9); -+ data |= 0x1 << 9; -+ rt_sysc_w32(data, 0x2c); -+} -+ -+static void mt7621_refclk_setup(void) -+{ -+ uint32_t data; -+ -+ /* set refclk output 12Mhz clock */ -+ data = rt_sysc_r32(0x2c); -+ data &= ~(0x1f << 18); -+ data |= (0x19 << 18); -+ data &= ~(0x1f << 12); -+ data |= (0x1 << 12); -+ data &= ~(0x7 << 9); -+ data |= (0x5 << 9); -+ rt_sysc_w32(data, 0x2c); -+} -+ -+static void mt7628_refclk_setup(void) -+{ -+ uint32_t data; -+ -+ /* set i2s and refclk digital pad */ -+ data = rt_sysc_r32(0x3c); -+ data |= 0x1f; -+ rt_sysc_w32(data, 0x3c); -+ -+ /* Adjust REFCLK0's driving strength */ -+ data = rt_sysc_r32(0x1354); -+ data &= ~(0x1 << 5); -+ rt_sysc_w32(data, 0x1354); -+ data = rt_sysc_r32(0x1364); -+ data |= ~(0x1 << 5); -+ rt_sysc_w32(data, 0x1364); -+ -+ /* set refclk output 12Mhz clock */ -+ data = rt_sysc_r32(0x2c); -+ data &= ~(0x7 << 9); -+ data |= 0x1 << 9; -+ rt_sysc_w32(data, 0x2c); -+} -+ -+struct rt_i2s_data { -+ u32 flags; -+ void (*refclk_setup)(void); -+}; -+ -+struct rt_i2s_data rt3050_i2s_data = { .flags = RALINK_FLAGS_TXONLY }; -+struct rt_i2s_data rt3350_i2s_data = { .flags = RALINK_FLAGS_TXONLY, -+ .refclk_setup = rt3350_refclk_setup }; -+struct rt_i2s_data rt3883_i2s_data = { -+ .flags = (RALINK_FLAGS_LEFT_J | RALINK_FLAGS_RIGHT_J), -+ .refclk_setup = rt3883_refclk_setup }; -+struct rt_i2s_data rt3352_i2s_data = { .refclk_setup = rt3552_refclk_setup}; -+struct rt_i2s_data mt7620_i2s_data = { .refclk_setup = mt7620_refclk_setup}; -+struct rt_i2s_data mt7621_i2s_data = { .refclk_setup = mt7621_refclk_setup}; -+struct rt_i2s_data mt7628_i2s_data = { -+ .flags = (RALINK_FLAGS_ENDIAN | RALINK_FLAGS_24BIT | -+ RALINK_FLAGS_LEFT_J), -+ .refclk_setup = mt7628_refclk_setup}; -+ -+static const struct of_device_id ralink_i2s_match_table[] = { -+ { .compatible = "ralink,rt3050-i2s", -+ .data = (void *)&rt3050_i2s_data }, -+ { .compatible = "ralink,rt3350-i2s", -+ .data = (void *)&rt3350_i2s_data }, -+ { .compatible = "ralink,rt3883-i2s", -+ .data = (void *)&rt3883_i2s_data }, -+ { .compatible = "ralink,rt3352-i2s", -+ .data = (void *)&rt3352_i2s_data }, -+ { .compatible = "mediatek,mt7620-i2s", -+ .data = (void *)&mt7620_i2s_data }, -+ { .compatible = "mediatek,mt7621-i2s", -+ .data = (void *)&mt7621_i2s_data }, -+ { .compatible = "mediatek,mt7628-i2s", -+ .data = (void *)&mt7628_i2s_data }, -+}; -+MODULE_DEVICE_TABLE(of, ralink_i2s_match_table); -+ -+static int ralink_i2s_probe(struct platform_device *pdev) -+{ -+ const struct of_device_id *match; -+ struct device_node *np = pdev->dev.of_node; -+ struct ralink_i2s *i2s; -+ struct resource *res; -+ int irq, ret; -+ u32 dma_req; -+ struct rt_i2s_data *data; -+ -+ i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL); -+ if (!i2s) -+ return -ENOMEM; -+ -+ platform_set_drvdata(pdev, i2s); -+ i2s->dev = &pdev->dev; -+ -+ match = of_match_device(ralink_i2s_match_table, &pdev->dev); -+ if (!match) -+ return -EINVAL; -+ data = (struct rt_i2s_data *)match->data; -+ i2s->flags = data->flags; -+ /* setup out 12Mhz refclk to codec as mclk */ -+ if (data->refclk_setup) -+ data->refclk_setup(); -+ -+ if (of_property_read_u32(np, "txdma-req", &dma_req)) { -+ dev_err(&pdev->dev, "no txdma-req define\n"); -+ return -EINVAL; -+ } -+ i2s->txdma_req = (u16)dma_req; -+ if (!(i2s->flags & RALINK_FLAGS_TXONLY)) { -+ if (of_property_read_u32(np, "rxdma-req", &dma_req)) { -+ dev_err(&pdev->dev, "no rxdma-req define\n"); -+ return -EINVAL; -+ } -+ i2s->rxdma_req = (u16)dma_req; -+ } -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ i2s->regs = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(i2s->regs)) -+ return PTR_ERR(i2s->regs); -+ -+ i2s->regmap = devm_regmap_init_mmio(&pdev->dev, i2s->regs, -+ &ralink_i2s_regmap_config); -+ if (IS_ERR(i2s->regmap)) { -+ dev_err(&pdev->dev, "regmap init failed\n"); -+ return PTR_ERR(i2s->regmap); -+ } -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) { -+ dev_err(&pdev->dev, "failed to get irq\n"); -+ return -EINVAL; -+ } -+ -+#if (RALINK_I2S_INT_EN) -+ ret = devm_request_irq(&pdev->dev, irq, ralink_i2s_irq, -+ 0, dev_name(&pdev->dev), i2s); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to request irq\n"); -+ return ret; -+ } -+#endif -+ -+ i2s->clk = devm_clk_get(&pdev->dev, NULL); -+ if (IS_ERR(i2s->clk)) { -+ dev_err(&pdev->dev, "no clock defined\n"); -+ return PTR_ERR(i2s->clk); -+ } -+ -+ ret = clk_prepare_enable(i2s->clk); -+ if (ret) -+ return ret; -+ -+ ralink_i2s_init_dma_data(i2s, res); -+ -+ device_reset(&pdev->dev); -+ -+ ret = ralink_i2s_debugfs_create(i2s); -+ if (ret) { -+ dev_err(&pdev->dev, "create debugfs failed\n"); -+ goto err_clk_disable; -+ } -+ -+ /* enable 24bits support */ -+ if (i2s->flags & RALINK_FLAGS_24BIT) { -+ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S24_LE; -+ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S24_LE; -+ } -+ -+ /* enable big endian support */ -+ if (i2s->flags & RALINK_FLAGS_ENDIAN) { -+ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S16_BE; -+ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S16_BE; -+ ralink_pcm_hardware.formats |= SNDRV_PCM_FMTBIT_S16_BE; -+ if (i2s->flags & RALINK_FLAGS_24BIT) { -+ ralink_i2s_dai.capture.formats |= -+ SNDRV_PCM_FMTBIT_S24_BE; -+ ralink_i2s_dai.playback.formats |= -+ SNDRV_PCM_FMTBIT_S24_BE; -+ ralink_pcm_hardware.formats |= -+ SNDRV_PCM_FMTBIT_S24_BE; -+ } -+ } -+ -+ /* disable capture support */ -+ if (i2s->flags & RALINK_FLAGS_TXONLY) -+ memset(&ralink_i2s_dai.capture, sizeof(ralink_i2s_dai.capture), -+ 0); -+ -+ ret = devm_snd_soc_register_component(&pdev->dev, &ralink_i2s_component, -+ &ralink_i2s_dai, 1); -+ if (ret) -+ goto err_debugfs; -+ -+ ret = devm_snd_dmaengine_pcm_register(&pdev->dev, -+ &ralink_dmaengine_pcm_config, -+ SND_DMAENGINE_PCM_FLAG_COMPAT); -+ if (ret) -+ goto err_debugfs; -+ -+ dev_info(i2s->dev, "mclk %luKHz\n", clk_get_rate(i2s->clk) / 1000000); -+ -+ return 0; -+ -+err_debugfs: -+ ralink_i2s_debugfs_remove(i2s); -+ -+err_clk_disable: -+ clk_disable_unprepare(i2s->clk); -+ -+ return ret; -+} -+ -+static int ralink_i2s_remove(struct platform_device *pdev) -+{ -+ struct ralink_i2s *i2s = platform_get_drvdata(pdev); -+ -+ ralink_i2s_debugfs_remove(i2s); -+ clk_disable_unprepare(i2s->clk); -+ -+ return 0; -+} -+ -+static struct platform_driver ralink_i2s_driver = { -+ .probe = ralink_i2s_probe, -+ .remove = ralink_i2s_remove, -+ .driver = { -+ .name = DRV_NAME, -+ .of_match_table = ralink_i2s_match_table, -+ }, -+}; -+module_platform_driver(ralink_i2s_driver); -+ -+MODULE_AUTHOR("Lars-Peter Clausen, <lars@metafoo.de>"); -+MODULE_DESCRIPTION("Ralink/MediaTek I2S driver"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("platform:" DRV_NAME); diff --git a/target/linux/ramips/patches-4.9/0051-serial-add-ugly-custom-baud-rate-hack.patch b/target/linux/ramips/patches-4.9/0051-serial-add-ugly-custom-baud-rate-hack.patch deleted file mode 100644 index 054db506e7..0000000000 --- a/target/linux/ramips/patches-4.9/0051-serial-add-ugly-custom-baud-rate-hack.patch +++ /dev/null @@ -1,22 +0,0 @@ -From a7eb46e0ea4a11e4dfb56ab129bf816d1059a6c5 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 7 Dec 2015 17:31:08 +0100 -Subject: [PATCH 51/53] serial: add ugly custom baud rate hack - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/tty/serial/serial_core.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/drivers/tty/serial/serial_core.c -+++ b/drivers/tty/serial/serial_core.c -@@ -388,6 +388,9 @@ uart_get_baud_rate(struct uart_port *por - break; - } - -+ if (tty_termios_baud_rate(termios) == 2500000) -+ return 250000; -+ - for (try = 0; try < 2; try++) { - baud = tty_termios_baud_rate(termios); - diff --git a/target/linux/ramips/patches-4.9/0052-pwm-add-mediatek-support.patch b/target/linux/ramips/patches-4.9/0052-pwm-add-mediatek-support.patch deleted file mode 100644 index c19b83271a..0000000000 --- a/target/linux/ramips/patches-4.9/0052-pwm-add-mediatek-support.patch +++ /dev/null @@ -1,217 +0,0 @@ -From fc8f96309c21c1bc3276427309cd7d361347d66e Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 7 Dec 2015 17:16:50 +0100 -Subject: [PATCH 52/53] pwm: add mediatek support - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/pwm/Kconfig | 9 +++ - drivers/pwm/Makefile | 1 + - drivers/pwm/pwm-mediatek.c | 173 ++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 183 insertions(+) - create mode 100644 drivers/pwm/pwm-mediatek.c - ---- a/drivers/pwm/Kconfig -+++ b/drivers/pwm/Kconfig -@@ -282,6 +282,15 @@ config PWM_MTK_DISP - To compile this driver as a module, choose M here: the module - will be called pwm-mtk-disp. - -+config PWM_MEDIATEK -+ tristate "Mediatek PWM support" -+ depends on RALINK && OF -+ help -+ Generic PWM framework driver for Mediatek ARM SoC. -+ -+ To compile this driver as a module, choose M here: the module -+ will be called pwm-mxs. -+ - config PWM_MXS - tristate "Freescale MXS PWM support" - depends on ARCH_MXS && OF ---- a/drivers/pwm/Makefile -+++ b/drivers/pwm/Makefile -@@ -25,6 +25,7 @@ obj-$(CONFIG_PWM_LPSS) += pwm-lpss.o - obj-$(CONFIG_PWM_LPSS_PCI) += pwm-lpss-pci.o - obj-$(CONFIG_PWM_LPSS_PLATFORM) += pwm-lpss-platform.o - obj-$(CONFIG_PWM_MESON) += pwm-meson.o -+obj-$(CONFIG_PWM_MEDIATEK) += pwm-mediatek.o - obj-$(CONFIG_PWM_MTK_DISP) += pwm-mtk-disp.o - obj-$(CONFIG_PWM_MXS) += pwm-mxs.o - obj-$(CONFIG_PWM_OMAP_DMTIMER) += pwm-omap-dmtimer.o ---- /dev/null -+++ b/drivers/pwm/pwm-mediatek.c -@@ -0,0 +1,173 @@ -+/* -+ * Mediatek Pulse Width Modulator driver -+ * -+ * Copyright (C) 2015 John Crispin <blogic@openwrt.org> -+ * -+ * This file is licensed under the terms of the GNU General Public -+ * License version 2. This program is licensed "as is" without any -+ * warranty of any kind, whether express or implied. -+ */ -+ -+#include <linux/err.h> -+#include <linux/io.h> -+#include <linux/ioport.h> -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/of.h> -+#include <linux/platform_device.h> -+#include <linux/pwm.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+ -+#define NUM_PWM 4 -+ -+/* PWM registers and bits definitions */ -+#define PWMCON 0x00 -+#define PWMHDUR 0x04 -+#define PWMLDUR 0x08 -+#define PWMGDUR 0x0c -+#define PWMWAVENUM 0x28 -+#define PWMDWIDTH 0x2c -+#define PWMTHRES 0x30 -+ -+/** -+ * struct mtk_pwm_chip - struct representing pwm chip -+ * -+ * @mmio_base: base address of pwm chip -+ * @chip: linux pwm chip representation -+ */ -+struct mtk_pwm_chip { -+ void __iomem *mmio_base; -+ struct pwm_chip chip; -+}; -+ -+static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip) -+{ -+ return container_of(chip, struct mtk_pwm_chip, chip); -+} -+ -+static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num, -+ unsigned long offset) -+{ -+ return ioread32(chip->mmio_base + 0x10 + (num * 0x40) + offset); -+} -+ -+static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip, -+ unsigned int num, unsigned long offset, -+ unsigned long val) -+{ -+ iowrite32(val, chip->mmio_base + 0x10 + (num * 0x40) + offset); -+} -+ -+static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, -+ int duty_ns, int period_ns) -+{ -+ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); -+ u32 resolution = 100 / 4; -+ u32 clkdiv = 0; -+ -+ while (period_ns / resolution > 8191) { -+ clkdiv++; -+ resolution *= 2; -+ } -+ -+ if (clkdiv > 7) -+ return -1; -+ -+ mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | BIT(3) | clkdiv); -+ mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution); -+ mtk_pwm_writel(pc, pwm->hwpwm, PWMTHRES, duty_ns / resolution); -+ return 0; -+} -+ -+static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) -+{ -+ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); -+ u32 val; -+ -+ val = ioread32(pc->mmio_base); -+ val |= BIT(pwm->hwpwm); -+ iowrite32(val, pc->mmio_base); -+ -+ return 0; -+} -+ -+static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) -+{ -+ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); -+ u32 val; -+ -+ val = ioread32(pc->mmio_base); -+ val &= ~BIT(pwm->hwpwm); -+ iowrite32(val, pc->mmio_base); -+} -+ -+static const struct pwm_ops mtk_pwm_ops = { -+ .config = mtk_pwm_config, -+ .enable = mtk_pwm_enable, -+ .disable = mtk_pwm_disable, -+ .owner = THIS_MODULE, -+}; -+ -+static int mtk_pwm_probe(struct platform_device *pdev) -+{ -+ struct mtk_pwm_chip *pc; -+ struct resource *r; -+ int ret; -+ -+ pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); -+ if (!pc) -+ return -ENOMEM; -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ pc->mmio_base = devm_ioremap_resource(&pdev->dev, r); -+ if (IS_ERR(pc->mmio_base)) -+ return PTR_ERR(pc->mmio_base); -+ -+ platform_set_drvdata(pdev, pc); -+ -+ pc->chip.dev = &pdev->dev; -+ pc->chip.ops = &mtk_pwm_ops; -+ pc->chip.base = -1; -+ pc->chip.npwm = NUM_PWM; -+ -+ ret = pwmchip_add(&pc->chip); -+ if (ret < 0) -+ dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static int mtk_pwm_remove(struct platform_device *pdev) -+{ -+ struct mtk_pwm_chip *pc = platform_get_drvdata(pdev); -+ int i; -+ -+ for (i = 0; i < NUM_PWM; i++) -+ pwm_disable(&pc->chip.pwms[i]); -+ -+ return pwmchip_remove(&pc->chip); -+} -+ -+static const struct of_device_id mtk_pwm_of_match[] = { -+ { .compatible = "mediatek,mt7628-pwm" }, -+ { } -+}; -+ -+MODULE_DEVICE_TABLE(of, mtk_pwm_of_match); -+ -+static struct platform_driver mtk_pwm_driver = { -+ .driver = { -+ .name = "mtk-pwm", -+ .owner = THIS_MODULE, -+ .of_match_table = mtk_pwm_of_match, -+ }, -+ .probe = mtk_pwm_probe, -+ .remove = mtk_pwm_remove, -+}; -+ -+module_platform_driver(mtk_pwm_driver); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -+MODULE_ALIAS("platform:mtk-pwm"); diff --git a/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch b/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch deleted file mode 100644 index c43dd03eeb..0000000000 --- a/target/linux/ramips/patches-4.9/0053-mtd-spi-nor-add-w25q256-3b-mode-switch.patch +++ /dev/null @@ -1,214 +0,0 @@ -mtd: spi-nor: add support for switching between 3-byte and 4-byte addressing on w25q256 flash - -On some devices the flash chip needs to be in 3-byte addressing mode during -reboot, otherwise the boot loader will fail to start. -This mode however does not allow regular reads/writes onto the upper 16M -half. W25Q256 has separate read commands for reading from >16M, however -it does not have any separate write commands. -This patch changes the code to leave the chip in 3-byte mode most of the -time and only switch during erase/write cycles that go to >16M -addresses. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- ---- a/drivers/mtd/spi-nor/spi-nor.c -+++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -85,6 +85,10 @@ struct flash_info { - * Use dedicated 4byte address op codes - * to support memory size above 128Mib. - */ -+#define SPI_NOR_4B_READ_OP BIT(12) /* -+ * Like SPI_NOR_4B_OPCODES, but for read -+ * op code only. -+ */ - }; - - #define JEDEC_MFR(info) ((info)->id[0]) -@@ -250,6 +254,15 @@ static inline u8 spi_nor_convert_3to4_er - ARRAY_SIZE(spi_nor_3to4_erase)); - } - -+static void spi_nor_set_4byte_read(struct spi_nor *nor, -+ const struct flash_info *info) -+{ -+ nor->addr_width = 3; -+ nor->ext_addr = 0; -+ nor->read_opcode = spi_nor_convert_3to4_read(nor->read_opcode); -+ nor->flags |= SNOR_F_4B_EXT_ADDR; -+} -+ - static void spi_nor_set_4byte_opcodes(struct spi_nor *nor, - const struct flash_info *info) - { -@@ -467,6 +480,36 @@ static int spi_nor_erase_sector(struct s - return nor->write_reg(nor, nor->erase_opcode, buf, nor->addr_width); - } - -+static int spi_nor_check_ext_addr(struct spi_nor *nor, u32 addr) -+{ -+ bool ext_addr; -+ int ret; -+ u8 cmd; -+ -+ if (!(nor->flags & SNOR_F_4B_EXT_ADDR)) -+ return 0; -+ -+ ext_addr = !!(addr & 0xff000000); -+ if (nor->ext_addr == ext_addr) -+ return 0; -+ -+ cmd = ext_addr ? SPINOR_OP_EN4B : SPINOR_OP_EX4B; -+ write_enable(nor); -+ ret = nor->write_reg(nor, cmd, NULL, 0); -+ if (ret) -+ return ret; -+ -+ cmd = 0; -+ ret = nor->write_reg(nor, SPINOR_OP_WREAR, &cmd, 1); -+ if (ret) -+ return ret; -+ -+ nor->addr_width = 3 + ext_addr; -+ nor->ext_addr = ext_addr; -+ write_disable(nor); -+ return 0; -+} -+ - /* - * Erase an address range on the nor chip. The address range may extend - * one or more erase sectors. Return an error is there is a problem erasing. -@@ -492,6 +535,10 @@ static int spi_nor_erase(struct mtd_info - if (ret) - return ret; - -+ ret = spi_nor_check_ext_addr(nor, addr + len); -+ if (ret) -+ return ret; -+ - /* whole-chip erase? */ - if (len == mtd->size && !(nor->flags & SNOR_F_NO_OP_CHIP_ERASE)) { - unsigned long timeout; -@@ -542,6 +589,7 @@ static int spi_nor_erase(struct mtd_info - write_disable(nor); - - erase_err: -+ spi_nor_check_ext_addr(nor, 0); - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_ERASE); - - instr->state = ret ? MTD_ERASE_FAILED : MTD_ERASE_DONE; -@@ -834,7 +882,9 @@ static int spi_nor_lock(struct mtd_info - if (ret) - return ret; - -+ spi_nor_check_ext_addr(nor, ofs + len); - ret = nor->flash_lock(nor, ofs, len); -+ spi_nor_check_ext_addr(nor, 0); - - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_UNLOCK); - return ret; -@@ -849,7 +899,9 @@ static int spi_nor_unlock(struct mtd_inf - if (ret) - return ret; - -+ spi_nor_check_ext_addr(nor, ofs + len); - ret = nor->flash_unlock(nor, ofs, len); -+ spi_nor_check_ext_addr(nor, 0); - - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_LOCK); - return ret; -@@ -1151,7 +1203,7 @@ static const struct flash_info spi_nor_i - { "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) }, - { "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) }, - { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) }, -- { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K) }, -+ { "w25q256", INFO(0xef4019, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_4B_READ_OP) }, - - /* Catalyst / On Semiconductor -- non-JEDEC */ - { "cat25c11", CAT25_INFO( 16, 8, 16, 1, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) }, -@@ -1205,6 +1257,9 @@ static int spi_nor_read(struct mtd_info - if (ret) - return ret; - -+ if (nor->flags & SNOR_F_4B_EXT_ADDR) -+ nor->addr_width = 4; -+ - while (len) { - loff_t addr = from; - -@@ -1229,6 +1284,18 @@ static int spi_nor_read(struct mtd_info - ret = 0; - - read_err: -+ if (nor->flags & SNOR_F_4B_EXT_ADDR) { -+ u8 val = 0; -+ -+ if ((from + len) & 0xff000000) { -+ write_enable(nor); -+ nor->write_reg(nor, SPINOR_OP_WREAR, &val, 1); -+ write_disable(nor); -+ } -+ -+ nor->addr_width = 3; -+ } -+ - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ); - return ret; - } -@@ -1330,6 +1397,10 @@ static int spi_nor_write(struct mtd_info - if (ret) - return ret; - -+ ret = spi_nor_check_ext_addr(nor, to + len); -+ if (ret < 0) -+ return ret; -+ - for (i = 0; i < len; ) { - ssize_t written; - loff_t addr = to + i; -@@ -1377,6 +1448,7 @@ static int spi_nor_write(struct mtd_info - } - - write_err: -+ spi_nor_check_ext_addr(nor, 0); - spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_WRITE); - return ret; - } -@@ -1719,8 +1791,10 @@ int spi_nor_scan(struct spi_nor *nor, co - else if (mtd->size > 0x1000000) { - /* enable 4-byte addressing if the device exceeds 16MiB */ - nor->addr_width = 4; -- if (JEDEC_MFR(info) == SNOR_MFR_SPANSION || -- info->flags & SPI_NOR_4B_OPCODES) -+ if (info->flags & SPI_NOR_4B_READ_OP) -+ spi_nor_set_4byte_read(nor, info); -+ else if (JEDEC_MFR(info) == SNOR_MFR_SPANSION || -+ info->flags & SPI_NOR_4B_OPCODES) - spi_nor_set_4byte_opcodes(nor, info); - else - set_4byte(nor, info, 1); ---- a/include/linux/mtd/spi-nor.h -+++ b/include/linux/mtd/spi-nor.h -@@ -90,6 +90,7 @@ - /* Used for Macronix and Winbond flashes. */ - #define SPINOR_OP_EN4B 0xb7 /* Enter 4-byte mode */ - #define SPINOR_OP_EX4B 0xe9 /* Exit 4-byte mode */ -+#define SPINOR_OP_WREAR 0xc5 /* Write extended address register */ - - /* Used for Spansion flashes only. */ - #define SPINOR_OP_BRWR 0x17 /* Bank register write */ -@@ -141,6 +142,7 @@ enum spi_nor_option_flags { - SNOR_F_NO_OP_CHIP_ERASE = BIT(2), - SNOR_F_S3AN_ADDR_DEFAULT = BIT(3), - SNOR_F_READY_XSR_RDY = BIT(4), -+ SNOR_F_4B_EXT_ADDR = BIT(5), - }; - - /** -@@ -188,6 +190,7 @@ struct spi_nor { - enum read_mode flash_read; - bool sst_write_second; - u32 flags; -+ u8 ext_addr; - u8 cmd_buf[SPI_NOR_MAX_CMD_SIZE]; - - int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops); diff --git a/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch b/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch deleted file mode 100644 index d6133e1596..0000000000 --- a/target/linux/ramips/patches-4.9/0054-mtd-add-chunked-read-io-to-m25p80.patch +++ /dev/null @@ -1,124 +0,0 @@ ---- a/drivers/mtd/spi-nor/spi-nor.c -+++ b/drivers/mtd/spi-nor/spi-nor.c -@@ -1453,6 +1453,67 @@ write_err: - return ret; - } - -+static int spi_nor_chunked_write(struct mtd_info *mtd, loff_t _to, size_t _len, -+ size_t *_retlen, const u_char *_buf) -+{ -+ struct spi_nor *nor = mtd_to_spi_nor(mtd); -+ u32 addr_width = nor->addr_width + !!(nor->flags & SNOR_F_4B_EXT_ADDR); -+ int chunk_size; -+ int retlen = 0; -+ int ret; -+ -+ chunk_size = nor->chunk_size; -+ if (!chunk_size) -+ chunk_size = _len; -+ -+ if (addr_width > 3) -+ chunk_size -= addr_width - 3; -+ -+ while (retlen < _len) { -+ size_t len = min_t(int, chunk_size, _len - retlen); -+ const u_char *buf = _buf + retlen; -+ loff_t to = _to + retlen; -+ -+ if (nor->flags & SNOR_F_SST) -+ ret = sst_write(mtd, to, len, &retlen, buf); -+ else -+ ret = spi_nor_write(mtd, to, len, &retlen, buf); -+ if (ret) -+ return ret; -+ } -+ -+ *_retlen += retlen; -+ return 0; -+} -+ -+static int spi_nor_chunked_read(struct mtd_info *mtd, loff_t _from, size_t _len, -+ size_t *_retlen, u_char *_buf) -+{ -+ struct spi_nor *nor = mtd_to_spi_nor(mtd); -+ int chunk_size; -+ int ret; -+ -+ chunk_size = nor->chunk_size; -+ if (!chunk_size) -+ chunk_size = _len; -+ -+ *_retlen = 0; -+ while (*_retlen < _len) { -+ size_t len = min_t(int, chunk_size, _len - *_retlen); -+ u_char *buf = _buf + *_retlen; -+ loff_t from = _from + *_retlen; -+ int retlen = 0; -+ -+ ret = spi_nor_read(mtd, from, len, &retlen, buf); -+ if (ret) -+ return ret; -+ -+ *_retlen += retlen; -+ } -+ -+ return 0; -+} -+ - static int macronix_quad_enable(struct spi_nor *nor) - { - int ret, val; -@@ -1704,10 +1765,12 @@ int spi_nor_scan(struct spi_nor *nor, co - } - - /* sst nor chips use AAI word program */ -- if (info->flags & SST_WRITE) -+ if (info->flags & SST_WRITE) { - mtd->_write = sst_write; -- else -+ nor->flags |= SNOR_F_SST; -+ } else { - mtd->_write = spi_nor_write; -+ } - - if (info->flags & USE_FSR) - nor->flags |= SNOR_F_USE_FSR; -@@ -1739,11 +1802,20 @@ int spi_nor_scan(struct spi_nor *nor, co - mtd->writebufsize = nor->page_size; - - if (np) { -+ u32 val; -+ - /* If we were instantiated by DT, use it */ - if (of_property_read_bool(np, "m25p,fast-read")) - nor->flash_read = SPI_NOR_FAST; - else - nor->flash_read = SPI_NOR_NORMAL; -+ -+ if (!of_property_read_u32(np, "m25p,chunked-io", &val)) { -+ dev_info(dev, "using chunked io (size=%d)\n", val); -+ mtd->_read = spi_nor_chunked_read; -+ mtd->_write = spi_nor_chunked_write; -+ nor->chunk_size = val; -+ } - } else { - /* If we weren't instantiated by DT, default to fast-read */ - nor->flash_read = SPI_NOR_FAST; ---- a/include/linux/mtd/spi-nor.h -+++ b/include/linux/mtd/spi-nor.h -@@ -143,6 +143,7 @@ enum spi_nor_option_flags { - SNOR_F_S3AN_ADDR_DEFAULT = BIT(3), - SNOR_F_READY_XSR_RDY = BIT(4), - SNOR_F_4B_EXT_ADDR = BIT(5), -+ SNOR_F_SST = BIT(6), - }; - - /** -@@ -182,6 +183,7 @@ struct spi_nor { - struct mutex lock; - struct device *dev; - u32 page_size; -+ u16 chunk_size; - u8 addr_width; - u8 erase_opcode; - u8 read_opcode; diff --git a/target/linux/ramips/patches-4.9/0064-add_clk_round_rate.patch b/target/linux/ramips/patches-4.9/0064-add_clk_round_rate.patch deleted file mode 100644 index 86d98b087c..0000000000 --- a/target/linux/ramips/patches-4.9/0064-add_clk_round_rate.patch +++ /dev/null @@ -1,15 +0,0 @@ ---- a/arch/mips/ralink/clk.c -+++ b/arch/mips/ralink/clk.c -@@ -62,6 +62,12 @@ int clk_set_rate(struct clk *clk, unsign - } - EXPORT_SYMBOL_GPL(clk_set_rate); - -+long clk_round_rate(struct clk *clk, unsigned long rate) -+{ -+ return -1; -+} -+EXPORT_SYMBOL_GPL(clk_round_rate); -+ - void __init plat_time_init(void) - { - struct clk *clk; diff --git a/target/linux/ramips/patches-4.9/0066-mt7621-enable-highmem.patch b/target/linux/ramips/patches-4.9/0066-mt7621-enable-highmem.patch deleted file mode 100644 index 50f32da629..0000000000 --- a/target/linux/ramips/patches-4.9/0066-mt7621-enable-highmem.patch +++ /dev/null @@ -1,10 +0,0 @@ ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -51,6 +51,7 @@ choice - select SYS_SUPPORTS_MULTITHREADING - select SYS_SUPPORTS_SMP - select SYS_SUPPORTS_MIPS_CPS -+ select SYS_SUPPORTS_HIGHMEM - select MIPS_GIC - select COMMON_CLK - select CLKSRC_MIPS_GIC diff --git a/target/linux/ramips/patches-4.9/0069-awake-rt305x-dwc2-controller.patch b/target/linux/ramips/patches-4.9/0069-awake-rt305x-dwc2-controller.patch deleted file mode 100644 index 1d885fbd32..0000000000 --- a/target/linux/ramips/patches-4.9/0069-awake-rt305x-dwc2-controller.patch +++ /dev/null @@ -1,15 +0,0 @@ ---- a/drivers/usb/dwc2/platform.c -+++ b/drivers/usb/dwc2/platform.c -@@ -616,6 +616,12 @@ static int dwc2_driver_probe(struct plat - if (retval) - return retval; - -+ /* Enable USB port before any regs access */ -+ if (dwc2_readl(hsotg->regs + PCGCTL) & 0x0f) { -+ dwc2_writel(0x00, hsotg->regs + PCGCTL); -+ /* TODO: mdelay(25) here? vendor driver don't use it */ -+ } -+ - retval = dwc2_get_dr_mode(hsotg); - if (retval) - goto error; diff --git a/target/linux/ramips/patches-4.9/0070-weak_reordering.patch b/target/linux/ramips/patches-4.9/0070-weak_reordering.patch deleted file mode 100644 index 5a4b6cb668..0000000000 --- a/target/linux/ramips/patches-4.9/0070-weak_reordering.patch +++ /dev/null @@ -1,10 +0,0 @@ ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -56,6 +56,7 @@ choice - select COMMON_CLK - select CLKSRC_MIPS_GIC - select HW_HAS_PCI -+ select WEAK_REORDERING_BEYOND_LLSC - endchoice - - choice diff --git a/target/linux/ramips/patches-4.9/0090-ethernet.patch b/target/linux/ramips/patches-4.9/0090-ethernet.patch deleted file mode 100644 index b163d59d20..0000000000 --- a/target/linux/ramips/patches-4.9/0090-ethernet.patch +++ /dev/null @@ -1,41 +0,0 @@ -From b6f779ea9c329451b89404583b45b9eb00155b32 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Wed, 18 Nov 2015 03:58:26 +0100 -Subject: [PATCH 510/513] net-next: mediatek: add Kconfig and Makefile - -This patch adds the Makefile and Kconfig required to make the driver build. - -Signed-off-by: John Crispin <blogic@openwrt.org> -Signed-off-by: Felix Fietkau <nbd@nbd.name> -Signed-off-by: Michael Lee <igvtee@gmail.com> ---- - drivers/net/ethernet/Kconfig | 1 + - drivers/net/ethernet/Makefile | 1 + - drivers/net/ethernet/mtk/Kconfig | 62 ++++++++++++++++++++++++++++++++ - drivers/net/ethernet/mtk/Makefile | 20 +++++++++++ - 4 files changed, 84 insertions(+) - create mode 100644 drivers/net/ethernet/mtk/Kconfig - create mode 100644 drivers/net/ethernet/mtk/Makefile - ---- a/drivers/net/ethernet/Kconfig -+++ b/drivers/net/ethernet/Kconfig -@@ -107,7 +107,7 @@ config LANTIQ_ETOP - Support for the MII0 inside the Lantiq SoC - - source "drivers/net/ethernet/marvell/Kconfig" --source "drivers/net/ethernet/mediatek/Kconfig" -+source "drivers/net/ethernet/mtk/Kconfig" - source "drivers/net/ethernet/mellanox/Kconfig" - source "drivers/net/ethernet/micrel/Kconfig" - source "drivers/net/ethernet/microchip/Kconfig" ---- a/drivers/net/ethernet/Makefile -+++ b/drivers/net/ethernet/Makefile -@@ -47,7 +47,7 @@ obj-$(CONFIG_JME) += jme.o - obj-$(CONFIG_KORINA) += korina.o - obj-$(CONFIG_LANTIQ_ETOP) += lantiq_etop.o - obj-$(CONFIG_NET_VENDOR_MARVELL) += marvell/ --obj-$(CONFIG_NET_VENDOR_MEDIATEK) += mediatek/ -+obj-$(CONFIG_NET_VENDOR_MEDIATEK) += mtk/ - obj-$(CONFIG_NET_VENDOR_MELLANOX) += mellanox/ - obj-$(CONFIG_NET_VENDOR_MICREL) += micrel/ - obj-$(CONFIG_NET_VENDOR_MICROCHIP) += microchip/ diff --git a/target/linux/ramips/patches-4.9/0098-disable_cm.patch b/target/linux/ramips/patches-4.9/0098-disable_cm.patch deleted file mode 100644 index 9695e04aa5..0000000000 --- a/target/linux/ramips/patches-4.9/0098-disable_cm.patch +++ /dev/null @@ -1,19 +0,0 @@ ---- a/arch/mips/kernel/mips-cm.c -+++ b/arch/mips/kernel/mips-cm.c -@@ -239,6 +239,7 @@ int mips_cm_probe(void) - - /* disable CM regions */ - write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK); -+ /* - write_gcr_reg0_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK); - write_gcr_reg1_base(CM_GCR_REGn_BASE_BASEADDR_MSK); - write_gcr_reg1_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK); -@@ -246,7 +247,7 @@ int mips_cm_probe(void) - write_gcr_reg2_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK); - write_gcr_reg3_base(CM_GCR_REGn_BASE_BASEADDR_MSK); - write_gcr_reg3_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK); -- -+*/ - /* probe for an L2-only sync region */ - mips_cm_probe_l2sync(); - diff --git a/target/linux/ramips/patches-4.9/0099-pci-mt7620.patch b/target/linux/ramips/patches-4.9/0099-pci-mt7620.patch deleted file mode 100644 index 997fb6a2b3..0000000000 --- a/target/linux/ramips/patches-4.9/0099-pci-mt7620.patch +++ /dev/null @@ -1,10 +0,0 @@ ---- a/arch/mips/pci/pci-mt7620.c -+++ b/arch/mips/pci/pci-mt7620.c -@@ -33,7 +33,6 @@ - #define RALINK_GPIOMODE 0x60 - - #define PPLL_CFG1 0x9c --#define PDRV_SW_SET BIT(23) - - #define PPLL_DRV 0xa0 - #define PDRV_SW_SET (1<<31) diff --git a/target/linux/ramips/patches-4.9/0100-prom_fixes.patch b/target/linux/ramips/patches-4.9/0100-prom_fixes.patch deleted file mode 100644 index 07042f89b1..0000000000 --- a/target/linux/ramips/patches-4.9/0100-prom_fixes.patch +++ /dev/null @@ -1,66 +0,0 @@ -From 67b7bff0fd364c194e653f69baa623ba2141bd4c Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 4 Aug 2014 18:46:02 +0200 -Subject: [PATCH 07/53] 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 -@@ -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 <john@phrozen.org> - */ -@@ -66,6 +66,19 @@ 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) - { - set_io_port_base(KSEG1); -@@ -74,7 +87,11 @@ 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); -+ -+ of_scan_flat_dt(early_init_dt_find_chosen, NULL); -+ if (chosen_dtb) -+ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); - - strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE); - ---- a/arch/mips/kernel/head.S -+++ b/arch/mips/kernel/head.S -@@ -85,6 +85,9 @@ 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 diff --git a/target/linux/ramips/patches-4.9/0101-MIPS-ralink-allow-NULL-clock-for-clk_get_rate.patch b/target/linux/ramips/patches-4.9/0101-MIPS-ralink-allow-NULL-clock-for-clk_get_rate.patch deleted file mode 100644 index 998b0e451d..0000000000 --- a/target/linux/ramips/patches-4.9/0101-MIPS-ralink-allow-NULL-clock-for-clk_get_rate.patch +++ /dev/null @@ -1,43 +0,0 @@ -From patchwork Tue Jul 18 10:17:29 2017 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [8/9] MIPS: ralink: allow NULL clock for clk_get_rate -X-Patchwork-Submitter: Jonas Gorski <jonas.gorski@gmail.com> -X-Patchwork-Id: 16778 -Message-Id: <20170718101730.2541-9-jonas.gorski@gmail.com> -To: unlisted-recipients:; (no To-header on input) -Cc: John Crispin <john@phrozen.org>, - Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org, - linux-kernel@vger.kernel.org -Date: Tue, 18 Jul 2017 12:17:29 +0200 -From: Jonas Gorski <jonas.gorski@gmail.com> -List-Id: linux-mips <linux-mips.eddie.linux-mips.org> - -Make the behaviour of clk_get_rate consistent with common clk's -clk_get_rate by accepting NULL clocks as parameter. Some device -drivers rely on this, and will cause an OOPS otherwise. - -Fixes: 3f0a06b0368d ("MIPS: ralink: adds clkdev code") -Cc: John Crispin <john@phrozen.org> -Cc: Ralf Baechle <ralf@linux-mips.org> -Cc: linux-mips@linux-mips.org -Cc: linux-kernel@vger.kernel.org -Reported-by: Mathias Kresin <dev@kresin.me> -Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> ---- - arch/mips/ralink/clk.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/arch/mips/ralink/clk.c -+++ b/arch/mips/ralink/clk.c -@@ -52,6 +52,9 @@ EXPORT_SYMBOL_GPL(clk_disable); - - unsigned long clk_get_rate(struct clk *clk) - { -+ if (!clk) -+ return 0; -+ - return clk->rate; - } - EXPORT_SYMBOL_GPL(clk_get_rate); diff --git a/target/linux/ramips/patches-4.9/0105-set_mt7621_soc_type.patch b/target/linux/ramips/patches-4.9/0105-set_mt7621_soc_type.patch deleted file mode 100644 index 68c56faa40..0000000000 --- a/target/linux/ramips/patches-4.9/0105-set_mt7621_soc_type.patch +++ /dev/null @@ -1,11 +0,0 @@ ---- a/arch/mips/ralink/mt7621.c -+++ b/arch/mips/ralink/mt7621.c -@@ -181,7 +181,7 @@ void prom_soc_init(struct ralink_soc_inf - } else { - panic("mt7621: unknown SoC, n0:%08x n1:%08x\n", n0, n1); - } -- -+ ralink_soc = MT762X_SOC_MT7621AT; - rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); - - snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, diff --git a/target/linux/ramips/patches-4.9/0200-linkit_bootstrap.patch b/target/linux/ramips/patches-4.9/0200-linkit_bootstrap.patch deleted file mode 100644 index 4fd5448e92..0000000000 --- a/target/linux/ramips/patches-4.9/0200-linkit_bootstrap.patch +++ /dev/null @@ -1,97 +0,0 @@ ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -54,6 +54,7 @@ obj-$(CONFIG_ECHO) += echo/ - obj-$(CONFIG_VEXPRESS_SYSCFG) += vexpress-syscfg.o - obj-$(CONFIG_CXL_BASE) += cxl/ - obj-$(CONFIG_PANEL) += panel.o -+obj-$(CONFIG_SOC_MT7620) += linkit.o - - lkdtm-$(CONFIG_LKDTM) += lkdtm_core.o - lkdtm-$(CONFIG_LKDTM) += lkdtm_bugs.o ---- /dev/null -+++ b/drivers/misc/linkit.c -@@ -0,0 +1,84 @@ -+/* -+ * 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) 2015 John Crispin <blogic@openwrt.org> -+ */ -+ -+#include <linux/module.h> -+#include <linux/platform_device.h> -+#include <linux/of.h> -+#include <linux/mtd/mtd.h> -+#include <linux/gpio.h> -+ -+#define LINKIT_LATCH_GPIO 11 -+ -+struct linkit_hw_data { -+ char board[16]; -+ char rev[16]; -+}; -+ -+static void sanify_string(char *s) -+{ -+ int i; -+ -+ for (i = 0; i < 15; i++) -+ if (s[i] <= 0x20) -+ s[i] = '\0'; -+ s[15] = '\0'; -+} -+ -+static int linkit_probe(struct platform_device *pdev) -+{ -+ struct linkit_hw_data hw; -+ struct mtd_info *mtd; -+ size_t retlen; -+ int ret; -+ -+ mtd = get_mtd_device_nm("factory"); -+ if (IS_ERR(mtd)) -+ return PTR_ERR(mtd); -+ -+ ret = mtd_read(mtd, 0x400, sizeof(hw), &retlen, (u_char *) &hw); -+ put_mtd_device(mtd); -+ -+ sanify_string(hw.board); -+ sanify_string(hw.rev); -+ -+ dev_info(&pdev->dev, "Version : %s\n", hw.board); -+ dev_info(&pdev->dev, "Revision : %s\n", hw.rev); -+ -+ if (!strcmp(hw.board, "LINKITS7688")) { -+ dev_info(&pdev->dev, "setting up bootstrap latch\n"); -+ -+ if (devm_gpio_request(&pdev->dev, LINKIT_LATCH_GPIO, "bootstrap")) { -+ dev_err(&pdev->dev, "failed to setup bootstrap gpio\n"); -+ return -1; -+ } -+ gpio_direction_output(LINKIT_LATCH_GPIO, 0); -+ } -+ -+ return 0; -+} -+ -+static const struct of_device_id linkit_match[] = { -+ { .compatible = "mediatek,linkit" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, linkit_match); -+ -+static struct platform_driver linkit_driver = { -+ .probe = linkit_probe, -+ .driver = { -+ .name = "mtk-linkit", -+ .owner = THIS_MODULE, -+ .of_match_table = linkit_match, -+ }, -+}; -+ -+int __init linkit_init(void) -+{ -+ return platform_driver_register(&linkit_driver); -+} -+late_initcall_sync(linkit_init); diff --git a/target/linux/ramips/patches-4.9/0700-pinctrl-mt7620-mdio-as-refclk.patch b/target/linux/ramips/patches-4.9/0700-pinctrl-mt7620-mdio-as-refclk.patch deleted file mode 100644 index e87e979a85..0000000000 --- a/target/linux/ramips/patches-4.9/0700-pinctrl-mt7620-mdio-as-refclk.patch +++ /dev/null @@ -1,42 +0,0 @@ ---- a/arch/mips/include/asm/mach-ralink/mt7620.h -+++ b/arch/mips/include/asm/mach-ralink/mt7620.h -@@ -115,9 +115,14 @@ - #define MT7620_GPIO_MODE_WDT_MASK 0x3 - #define MT7620_GPIO_MODE_WDT_SHIFT 21 - -+#define MT7620_GPIO_MODE_MDIO 0 -+#define MT7620_GPIO_MODE_MDIO_REFCLK 1 -+#define MT7620_GPIO_MODE_MDIO_GPIO 2 -+#define MT7620_GPIO_MODE_MDIO_MASK 0x3 -+#define MT7620_GPIO_MODE_MDIO_SHIFT 7 -+ - #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 ---- a/arch/mips/ralink/mt7620.c -+++ b/arch/mips/ralink/mt7620.c -@@ -55,7 +55,10 @@ static int dram_type; - 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 mdio_grp[] = { -+ FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2), -+ FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 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) }; -@@ -92,7 +95,8 @@ static struct rt2880_pmx_group mt7620a_p - 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_G("mdio", mdio_grp, MT7620_GPIO_MODE_MDIO_MASK, -+ MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT), - 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, diff --git a/target/linux/ramips/patches-4.9/0720-arch-mips-ralink-add-i2c-clocks.patch b/target/linux/ramips/patches-4.9/0720-arch-mips-ralink-add-i2c-clocks.patch deleted file mode 100644 index d711f579d2..0000000000 --- a/target/linux/ramips/patches-4.9/0720-arch-mips-ralink-add-i2c-clocks.patch +++ /dev/null @@ -1,67 +0,0 @@ ---- a/arch/mips/ralink/mt7620.c -+++ b/arch/mips/ralink/mt7620.c -@@ -513,6 +513,7 @@ void __init ralink_clk_init(void) - unsigned long sys_rate; - unsigned long dram_rate; - unsigned long periph_rate; -+ unsigned long pcmi2s_rate; - - xtal_rate = mt7620_get_xtal_rate(); - -@@ -527,6 +528,7 @@ void __init ralink_clk_init(void) - cpu_rate = MHZ(575); - dram_rate = sys_rate = cpu_rate / 3; - periph_rate = MHZ(40); -+ pcmi2s_rate = MHZ(480); - - ralink_clk_add("10000d00.uartlite", periph_rate); - ralink_clk_add("10000e00.uartlite", periph_rate); -@@ -538,6 +540,7 @@ void __init ralink_clk_init(void) - dram_rate = mt7620_get_dram_rate(pll_rate); - sys_rate = mt7620_get_sys_rate(cpu_rate); - periph_rate = mt7620_get_periph_rate(xtal_rate); -+ pcmi2s_rate = periph_rate; - - pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"), - RINT(xtal_rate), RFRAC(xtal_rate), -@@ -559,6 +562,8 @@ 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("10000900.i2c", periph_rate); -+ ralink_clk_add("10000a00.i2s", pcmi2s_rate); - ralink_clk_add("10000b00.spi", sys_rate); - ralink_clk_add("10000b40.spi", sys_rate); - ralink_clk_add("10000c00.uartlite", periph_rate); ---- a/arch/mips/ralink/rt288x.c -+++ b/arch/mips/ralink/rt288x.c -@@ -65,6 +65,7 @@ void __init ralink_clk_init(void) - ralink_clk_add("300100.timer", cpu_rate / 2); - ralink_clk_add("300120.watchdog", cpu_rate / 2); - ralink_clk_add("300500.uart", cpu_rate / 2); -+ ralink_clk_add("300900.i2c", 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); ---- a/arch/mips/ralink/rt305x.c -+++ b/arch/mips/ralink/rt305x.c -@@ -189,6 +189,8 @@ void __init ralink_clk_init(void) - - ralink_clk_add("cpu", cpu_rate); - ralink_clk_add("sys", sys_rate); -+ ralink_clk_add("10000900.i2c", uart_rate); -+ ralink_clk_add("10000a00.i2s", uart_rate); - ralink_clk_add("10000b00.spi", sys_rate); - ralink_clk_add("10000b40.spi", sys_rate); - ralink_clk_add("10000100.timer", wdt_rate); ---- a/arch/mips/ralink/rt3883.c -+++ b/arch/mips/ralink/rt3883.c -@@ -98,6 +98,8 @@ void __init ralink_clk_init(void) - ralink_clk_add("10000100.timer", sys_rate); - ralink_clk_add("10000120.watchdog", sys_rate); - ralink_clk_add("10000500.uart", 40000000); -+ ralink_clk_add("10000900.i2c", 40000000); -+ ralink_clk_add("10000a00.i2s", 40000000); - ralink_clk_add("10000b00.spi", sys_rate); - ralink_clk_add("10000b40.spi", sys_rate); - ralink_clk_add("10000c00.uartlite", 40000000); diff --git a/target/linux/ramips/patches-4.9/0901-spansion_nand_id_fix.patch b/target/linux/ramips/patches-4.9/0901-spansion_nand_id_fix.patch deleted file mode 100644 index d57e65c56c..0000000000 --- a/target/linux/ramips/patches-4.9/0901-spansion_nand_id_fix.patch +++ /dev/null @@ -1,43 +0,0 @@ -From 8b61a1a33e41456ebeafa0ebe7ec0fccf859861e Mon Sep 17 00:00:00 2001 -From: Nikolay Martynov <mar.kolya@gmail.com> -Date: Wed, 25 Nov 2015 20:43:46 -0500 -Subject: [PATCH] mtd: nand: Fix Spansion sparearea size detection - -According to datasheet S34ML02G2 and S34ML04G2 have -larger sparea area size than was detected. - -Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> ---- - drivers/mtd/nand/nand_base.c | 9 +++++++++ - 1 file changed, 9 insertions(+) - ---- a/drivers/mtd/nand/nand_base.c -+++ b/drivers/mtd/nand/nand_base.c -@@ -3861,6 +3861,7 @@ static void nand_decode_ext_id(struct mt - /* - * Field definitions are in the following datasheets: - * Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32) -+ * Spansion S34ML02G2 (p.33) - * New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44) - * Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22) - * -@@ -3958,6 +3959,19 @@ static void nand_decode_ext_id(struct mt - *busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0; - - /* -+ * Spansion S34ML0[24]G2 have oobsize twice as large -+ * as S34ML01G2 encoded in the same bit. We -+ * differinciate them by their ID length -+ */ -+ if (id_data[0] == NAND_MFR_AMD -+ && (id_data[1] == 0xda -+ || id_data[1] == 0xdc -+ || id_data[1] == 0xca -+ || id_data[1] == 0xcc)) { -+ mtd->oobsize *= 2; -+ } -+ -+ /* - * Toshiba 24nm raw SLC (i.e., not BENAND) have 32B OOB per - * 512B page. For Toshiba SLC, we decode the 5th/6th byte as - * follows: diff --git a/target/linux/ramips/patches-4.9/100-mt7621-core-detect-hack.patch b/target/linux/ramips/patches-4.9/100-mt7621-core-detect-hack.patch deleted file mode 100644 index a3224fd72f..0000000000 --- a/target/linux/ramips/patches-4.9/100-mt7621-core-detect-hack.patch +++ /dev/null @@ -1,61 +0,0 @@ -There is a variant of MT7621 which contains only one CPU core instead of 2. -This is not reflected in the config register, so the kernel detects more -physical cores, which leads to a hang on SMP bringup. -Add a hack to detect missing cores. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> - ---- a/arch/mips/kernel/smp-cps.c -+++ b/arch/mips/kernel/smp-cps.c -@@ -56,6 +56,11 @@ static unsigned core_vpe_count(unsigned - return (cfg >> CM_GCR_Cx_CONFIG_PVPE_SHF) + 1; - } - -+bool __weak plat_cpu_core_present(int core) -+{ -+ return true; -+} -+ - static void __init cps_smp_setup(void) - { - unsigned int ncores, nvpes, core_vpes; -@@ -66,6 +71,8 @@ static void __init cps_smp_setup(void) - ncores = mips_cm_numcores(); - pr_info("%s topology ", cpu_has_mips_r6 ? "VP" : "VPE"); - for (c = nvpes = 0; c < ncores; c++) { -+ if (!plat_cpu_core_present(c)) -+ continue; - core_vpes = core_vpe_count(c); - pr_cont("%c%u", c ? ',' : '{', core_vpes); - ---- a/arch/mips/ralink/mt7621.c -+++ b/arch/mips/ralink/mt7621.c -@@ -17,6 +17,7 @@ - #include <asm/mips-cpc.h> - #include <asm/mach-ralink/ralink_regs.h> - #include <asm/mach-ralink/mt7621.h> -+#include <asm/mips-boards/launch.h> - - #include <pinmux.h> - -@@ -164,6 +165,20 @@ void __init ralink_of_remap(void) - panic("Failed to remap core resources"); - } - -+bool plat_cpu_core_present(int core) -+{ -+ struct cpulaunch *launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); -+ -+ if (!core) -+ return true; -+ launch += core * 2; /* 2 VPEs per core */ -+ if (!(launch->flags & LAUNCH_FREADY)) -+ return false; -+ if (launch->flags & (LAUNCH_FGO | LAUNCH_FGONE)) -+ return false; -+ return true; -+} -+ - void prom_soc_init(struct ralink_soc_info *soc_info) - { - void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE); diff --git a/target/linux/ramips/patches-4.9/101-mt7621-timer.patch b/target/linux/ramips/patches-4.9/101-mt7621-timer.patch deleted file mode 100644 index 552716a21d..0000000000 --- a/target/linux/ramips/patches-4.9/101-mt7621-timer.patch +++ /dev/null @@ -1,98 +0,0 @@ ---- a/arch/mips/ralink/mt7621.c -+++ b/arch/mips/ralink/mt7621.c -@@ -18,6 +18,7 @@ - #include <asm/mach-ralink/ralink_regs.h> - #include <asm/mach-ralink/mt7621.h> - #include <asm/mips-boards/launch.h> -+#include <asm/delay.h> - - #include <pinmux.h> - -@@ -179,6 +180,58 @@ bool plat_cpu_core_present(int core) - return true; - } - -+#define LPS_PREC 8 -+/* -+* Re-calibration lpj(loop-per-jiffy). -+* (derived from kernel/calibrate.c) -+*/ -+static int udelay_recal(void) -+{ -+ unsigned int i, lpj = 0; -+ unsigned long ticks, loopbit; -+ int lps_precision = LPS_PREC; -+ -+ lpj = (1<<12); -+ -+ while ((lpj <<= 1) != 0) { -+ /* wait for "start of" clock tick */ -+ ticks = jiffies; -+ while (ticks == jiffies) -+ /* nothing */; -+ -+ /* Go .. */ -+ ticks = jiffies; -+ __delay(lpj); -+ ticks = jiffies - ticks; -+ if (ticks) -+ break; -+ } -+ -+ /* -+ * Do a binary approximation to get lpj set to -+ * equal one clock (up to lps_precision bits) -+ */ -+ lpj >>= 1; -+ loopbit = lpj; -+ while (lps_precision-- && (loopbit >>= 1)) { -+ lpj |= loopbit; -+ ticks = jiffies; -+ while (ticks == jiffies) -+ /* nothing */; -+ ticks = jiffies; -+ __delay(lpj); -+ if (jiffies != ticks) /* longer than 1 tick */ -+ lpj &= ~loopbit; -+ } -+ printk(KERN_INFO "%d CPUs re-calibrate udelay(lpj = %d)\n", NR_CPUS, lpj); -+ -+ for(i=0; i< NR_CPUS; i++) -+ cpu_data[i].udelay_val = lpj; -+ -+ return 0; -+} -+device_initcall(udelay_recal); -+ - void prom_soc_init(struct ralink_soc_info *soc_info) - { - void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE); ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -57,6 +57,7 @@ choice - select CLKSRC_MIPS_GIC - select HW_HAS_PCI - select WEAK_REORDERING_BEYOND_LLSC -+ select GENERIC_CLOCKEVENTS_BROADCAST - endchoice - - choice ---- a/arch/mips/ralink/timer-gic.c -+++ b/arch/mips/ralink/timer-gic.c -@@ -12,6 +12,7 @@ - #include <linux/of.h> - #include <linux/clk-provider.h> - #include <linux/clocksource.h> -+#include <asm/time.h> - - #include "common.h" - -@@ -19,6 +20,8 @@ void __init plat_time_init(void) - { - ralink_of_remap(); - -+ mips_hpt_frequency = 880000000 / 2; -+ - of_clk_init(NULL); - clocksource_probe(); - } diff --git a/target/linux/ramips/patches-4.9/999-fix-pci-init-mt7620.patch b/target/linux/ramips/patches-4.9/999-fix-pci-init-mt7620.patch deleted file mode 100644 index 3310a6bdba..0000000000 --- a/target/linux/ramips/patches-4.9/999-fix-pci-init-mt7620.patch +++ /dev/null @@ -1,21 +0,0 @@ ---- a/arch/mips/pci/pci-mt7620.c -+++ b/arch/mips/pci/pci-mt7620.c -@@ -35,6 +35,7 @@ - #define PPLL_CFG1 0x9c - - #define PPLL_DRV 0xa0 -+#define PPLL_LD (1<<23) - #define PDRV_SW_SET (1<<31) - #define LC_CKDRVPD (1<<19) - #define LC_CKDRVOHZ (1<<18) -@@ -242,8 +243,8 @@ static int mt7620_pci_hw_init(struct pla - rt_sysc_m32(0, RALINK_PCIE0_CLK_EN, RALINK_CLKCFG1); - mdelay(100); - -- if (!(rt_sysc_r32(PPLL_CFG1) & PDRV_SW_SET)) { -- dev_err(&pdev->dev, "MT7620 PPLL unlock\n"); -+ if (!(rt_sysc_r32(PPLL_CFG1) & PPLL_LD)) { -+ dev_err(&pdev->dev, "MT7620 PPLL is unlocked, aborting init\n"); - reset_control_assert(rstpcie0); - rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1); - return -1; |