| /* |
| * linux/arch/arm/mach-nomadik/board-8815nhk.c |
| * |
| * Copyright (C) STMicroelectronics |
| * |
| * 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. |
| * |
| * NHK15 board specifc driver definition |
| */ |
| #include <linux/types.h> |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/amba/bus.h> |
| #include <linux/amba/mmci.h> |
| #include <linux/interrupt.h> |
| #include <linux/gpio.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/nand.h> |
| #include <linux/mtd/fsmc.h> |
| #include <linux/mtd/onenand.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/i2c.h> |
| #include <linux/io.h> |
| #include <linux/pinctrl/machine.h> |
| #include <linux/platform_data/pinctrl-nomadik.h> |
| #include <linux/platform_data/clocksource-nomadik-mtu.h> |
| #include <linux/platform_data/mtd-nomadik-nand.h> |
| #include <asm/hardware/vic.h> |
| #include <asm/sizes.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/flash.h> |
| #include <asm/mach/time.h> |
| #include <mach/irqs.h> |
| |
| #include "cpu-8815.h" |
| |
| /* Initial value for SRC control register: all timers use MXTAL/8 source */ |
| #define SRC_CR_INIT_MASK 0x00007fff |
| #define SRC_CR_INIT_VAL 0x2aaa8000 |
| |
| #define ALE_OFF 0x1000000 |
| #define CLE_OFF 0x800000 |
| |
| /* These addresses span 16MB, so use three individual pages */ |
| static struct resource nhk8815_nand_resources[] = { |
| { |
| .name = "nand_data", |
| .start = 0x40000000, |
| .end = 0x40000000 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .name = "nand_addr", |
| .start = 0x40000000 + ALE_OFF, |
| .end = 0x40000000 +ALE_OFF + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .name = "nand_cmd", |
| .start = 0x40000000 + CLE_OFF, |
| .end = 0x40000000 + CLE_OFF + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .name = "fsmc_regs", |
| .start = NOMADIK_FSMC_BASE, |
| .end = NOMADIK_FSMC_BASE + SZ_4K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| /* |
| * These partitions are the same as those used in the 2.6.20 release |
| * shipped by the vendor; the first two partitions are mandated |
| * by the boot ROM, and the bootloader area is somehow oversized... |
| */ |
| static struct mtd_partition nhk8815_partitions[] = { |
| { |
| .name = "X-Loader(NAND)", |
| .offset = 0, |
| .size = SZ_256K, |
| }, { |
| .name = "MemInit(NAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_256K, |
| }, { |
| .name = "BootLoader(NAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_2M, |
| }, { |
| .name = "Kernel zImage(NAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 3 * SZ_1M, |
| }, { |
| .name = "Root Filesystem(NAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 22 * SZ_1M, |
| }, { |
| .name = "User Filesystem(NAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = MTDPART_SIZ_FULL, |
| } |
| }; |
| |
| static struct fsmc_nand_timings nhk8815_nand_timings = { |
| .thiz = 0, |
| .thold = 0x10, |
| .twait = 0x0A, |
| .tset = 0, |
| }; |
| |
| static struct fsmc_nand_platform_data nhk8815_nand_platform_data = { |
| .nand_timings = &nhk8815_nand_timings, |
| .partitions = nhk8815_partitions, |
| .nr_partitions = ARRAY_SIZE(nhk8815_partitions), |
| .width = FSMC_NAND_BW8, |
| }; |
| |
| static struct platform_device nhk8815_nand_device = { |
| .name = "fsmc-nand", |
| .id = -1, |
| .resource = nhk8815_nand_resources, |
| .num_resources = ARRAY_SIZE(nhk8815_nand_resources), |
| .dev = { |
| .platform_data = &nhk8815_nand_platform_data, |
| }, |
| }; |
| |
| /* These are the partitions for the OneNand device, different from above */ |
| static struct mtd_partition nhk8815_onenand_partitions[] = { |
| { |
| .name = "X-Loader(OneNAND)", |
| .offset = 0, |
| .size = SZ_256K, |
| }, { |
| .name = "MemInit(OneNAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_256K, |
| }, { |
| .name = "BootLoader(OneNAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = SZ_2M-SZ_256K, |
| }, { |
| .name = "SysImage(OneNAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 4 * SZ_1M, |
| }, { |
| .name = "Root Filesystem(OneNAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 22 * SZ_1M, |
| }, { |
| .name = "User Filesystem(OneNAND)", |
| .offset = MTDPART_OFS_APPEND, |
| .size = MTDPART_SIZ_FULL, |
| } |
| }; |
| |
| static struct onenand_platform_data nhk8815_onenand_data = { |
| .parts = nhk8815_onenand_partitions, |
| .nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions), |
| }; |
| |
| static struct resource nhk8815_onenand_resource[] = { |
| { |
| .start = 0x30000000, |
| .end = 0x30000000 + SZ_128K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| }; |
| |
| static struct platform_device nhk8815_onenand_device = { |
| .name = "onenand-flash", |
| .id = -1, |
| .dev = { |
| .platform_data = &nhk8815_onenand_data, |
| }, |
| .resource = nhk8815_onenand_resource, |
| .num_resources = ARRAY_SIZE(nhk8815_onenand_resource), |
| }; |
| |
| /* bus control reg. and bus timing reg. for CS0..CS3 */ |
| #define FSMC_BCR(x) (NOMADIK_FSMC_VA + (x << 3)) |
| #define FSMC_BTR(x) (NOMADIK_FSMC_VA + (x << 3) + 0x04) |
| |
| static void __init nhk8815_onenand_init(void) |
| { |
| #ifdef CONFIG_MTD_ONENAND |
| /* Set up SMCS0 for OneNand */ |
| writel(0x000030db, FSMC_BCR(0)); |
| writel(0x02100551, FSMC_BTR(0)); |
| #endif |
| } |
| |
| static struct mmci_platform_data mmcsd_plat_data = { |
| .ocr_mask = MMC_VDD_29_30, |
| .f_max = 48000000, |
| .gpio_wp = -1, |
| .gpio_cd = 111, |
| .cd_invert = true, |
| .capabilities = MMC_CAP_MMC_HIGHSPEED | |
| MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA, |
| }; |
| |
| static int __init nhk8815_mmcsd_init(void) |
| { |
| int ret; |
| |
| ret = gpio_request(112, "card detect bias"); |
| if (ret) |
| return ret; |
| gpio_direction_output(112, 0); |
| amba_apb_device_add(NULL, "mmci", NOMADIK_SDI_BASE, SZ_4K, IRQ_SDMMC, 0, &mmcsd_plat_data, 0x10180180); |
| return 0; |
| } |
| module_init(nhk8815_mmcsd_init); |
| |
| static struct resource nhk8815_eth_resources[] = { |
| { |
| .name = "smc91x-regs", |
| .start = 0x34000000 + 0x300, |
| .end = 0x34000000 + SZ_64K - 1, |
| .flags = IORESOURCE_MEM, |
| }, { |
| .start = NOMADIK_GPIO_TO_IRQ(115), |
| .end = NOMADIK_GPIO_TO_IRQ(115), |
| .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, |
| } |
| }; |
| |
| static struct platform_device nhk8815_eth_device = { |
| .name = "smc91x", |
| .resource = nhk8815_eth_resources, |
| .num_resources = ARRAY_SIZE(nhk8815_eth_resources), |
| }; |
| |
| static int __init nhk8815_eth_init(void) |
| { |
| int gpio_nr = 115; /* hardwired in the board */ |
| int err; |
| |
| err = gpio_request(gpio_nr, "eth_irq"); |
| if (!err) err = nmk_gpio_set_mode(gpio_nr, NMK_GPIO_ALT_GPIO); |
| if (!err) err = gpio_direction_input(gpio_nr); |
| if (err) |
| pr_err("Error %i in %s\n", err, __func__); |
| return err; |
| } |
| device_initcall(nhk8815_eth_init); |
| |
| static struct platform_device *nhk8815_platform_devices[] __initdata = { |
| &nhk8815_nand_device, |
| &nhk8815_onenand_device, |
| &nhk8815_eth_device, |
| /* will add more devices */ |
| }; |
| |
| static void __init nomadik_timer_init(void) |
| { |
| u32 src_cr; |
| |
| /* Configure timer sources in "system reset controller" ctrl reg */ |
| src_cr = readl(io_p2v(NOMADIK_SRC_BASE)); |
| src_cr &= SRC_CR_INIT_MASK; |
| src_cr |= SRC_CR_INIT_VAL; |
| writel(src_cr, io_p2v(NOMADIK_SRC_BASE)); |
| |
| nmdk_timer_init(io_p2v(NOMADIK_MTU0_BASE), IRQ_MTU0); |
| } |
| |
| static struct i2c_board_info __initdata nhk8815_i2c0_devices[] = { |
| { |
| I2C_BOARD_INFO("stw4811", 0x2d), |
| }, |
| }; |
| |
| static struct i2c_board_info __initdata nhk8815_i2c1_devices[] = { |
| { |
| I2C_BOARD_INFO("camera", 0x10), |
| }, |
| { |
| I2C_BOARD_INFO("stw5095", 0x1a), |
| }, |
| { |
| I2C_BOARD_INFO("lis3lv02dl", 0x1d), |
| }, |
| }; |
| |
| static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = { |
| { |
| I2C_BOARD_INFO("stw4811-usb", 0x2d), |
| }, |
| }; |
| |
| static unsigned long out_low[] = { PIN_OUTPUT_LOW }; |
| static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; |
| static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; |
| static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; |
| |
| static struct pinctrl_map __initdata nhk8815_pinmap[] = { |
| PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), |
| PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), |
| /* Hog in MMC/SD card mux */ |
| PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), |
| /* MCCLK */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), |
| /* MCCMD */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), |
| /* MCCMDDIR */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), |
| /* MCDAT3-0 */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), |
| /* MCDAT0DIR */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), |
| /* MCDAT31DIR */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), |
| /* MCMSFBCLK */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), |
| /* CD input GPIO */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), |
| /* CD bias drive */ |
| PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), |
| }; |
| |
| static void __init nhk8815_platform_init(void) |
| { |
| pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); |
| cpu8815_platform_init(); |
| nhk8815_onenand_init(); |
| platform_add_devices(nhk8815_platform_devices, |
| ARRAY_SIZE(nhk8815_platform_devices)); |
| |
| amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0); |
| amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0); |
| |
| i2c_register_board_info(0, nhk8815_i2c0_devices, |
| ARRAY_SIZE(nhk8815_i2c0_devices)); |
| i2c_register_board_info(1, nhk8815_i2c1_devices, |
| ARRAY_SIZE(nhk8815_i2c1_devices)); |
| i2c_register_board_info(2, nhk8815_i2c2_devices, |
| ARRAY_SIZE(nhk8815_i2c2_devices)); |
| } |
| |
| MACHINE_START(NOMADIK, "NHK8815") |
| /* Maintainer: ST MicroElectronics */ |
| .atag_offset = 0x100, |
| .map_io = cpu8815_map_io, |
| .init_irq = cpu8815_init_irq, |
| .handle_irq = vic_handle_irq, |
| .init_time = nomadik_timer_init, |
| .init_machine = nhk8815_platform_init, |
| .restart = cpu8815_restart, |
| MACHINE_END |