| /* |
| * Copyright (C) 2010 - ISEE 2007 SL |
| * |
| * Modified from mach-omap2/board-generic.c |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/delay.h> |
| #include <linux/err.h> |
| #include <linux/clk.h> |
| #include <linux/io.h> |
| #include <linux/gpio.h> |
| #include <linux/interrupt.h> |
| |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/fixed.h> |
| #include <linux/i2c/twl.h> |
| #include <linux/mmc/host.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include <plat/board.h> |
| #include <plat/common.h> |
| #include <plat/gpmc.h> |
| #include <plat/usb.h> |
| #include <plat/onenand.h> |
| |
| #include "mux.h" |
| #include "hsmmc.h" |
| #include "sdram-numonyx-m65kxxxxam.h" |
| |
| #define IGEP3_GPIO_LED0_GREEN 54 |
| #define IGEP3_GPIO_LED0_RED 53 |
| #define IGEP3_GPIO_LED1_RED 16 |
| |
| #define IGEP3_GPIO_WIFI_NPD 138 |
| #define IGEP3_GPIO_WIFI_NRESET 139 |
| #define IGEP3_GPIO_BT_NRESET 137 |
| |
| #define IGEP3_GPIO_USBH_NRESET 183 |
| |
| |
| #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ |
| defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) |
| |
| #define ONENAND_MAP 0x20000000 |
| |
| /* |
| * x2 Flash built-in COMBO POP MEMORY |
| * Since the device is equipped with two DataRAMs, and two-plane NAND |
| * Flash memory array, these two component enables simultaneous program |
| * of 4KiB. Plane1 has only even blocks such as block0, block2, block4 |
| * while Plane2 has only odd blocks such as block1, block3, block5. |
| * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048) |
| */ |
| |
| static struct mtd_partition igep3_onenand_partitions[] = { |
| { |
| .name = "X-Loader", |
| .offset = 0, |
| .size = 2 * (64*(2*2048)) |
| }, |
| { |
| .name = "U-Boot", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 6 * (64*(2*2048)), |
| }, |
| { |
| .name = "Environment", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 2 * (64*(2*2048)), |
| }, |
| { |
| .name = "Kernel", |
| .offset = MTDPART_OFS_APPEND, |
| .size = 12 * (64*(2*2048)), |
| }, |
| { |
| .name = "File System", |
| .offset = MTDPART_OFS_APPEND, |
| .size = MTDPART_SIZ_FULL, |
| }, |
| }; |
| |
| static struct omap_onenand_platform_data igep3_onenand_pdata = { |
| .parts = igep3_onenand_partitions, |
| .nr_parts = ARRAY_SIZE(igep3_onenand_partitions), |
| .onenand_setup = NULL, |
| .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */ |
| }; |
| |
| static struct platform_device igep3_onenand_device = { |
| .name = "omap2-onenand", |
| .id = -1, |
| .dev = { |
| .platform_data = &igep3_onenand_pdata, |
| }, |
| }; |
| |
| static void __init igep3_flash_init(void) |
| { |
| u8 cs = 0; |
| u8 onenandcs = GPMC_CS_NUM + 1; |
| |
| for (cs = 0; cs < GPMC_CS_NUM; cs++) { |
| u32 ret; |
| ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1); |
| |
| /* Check if NAND/oneNAND is configured */ |
| if ((ret & 0xC00) == 0x800) |
| /* NAND found */ |
| pr_err("IGEP3: Unsupported NAND found\n"); |
| else { |
| ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7); |
| |
| if ((ret & 0x3F) == (ONENAND_MAP >> 24)) |
| /* OneNAND found */ |
| onenandcs = cs; |
| } |
| } |
| |
| if (onenandcs > GPMC_CS_NUM) { |
| pr_err("IGEP3: Unable to find configuration in GPMC\n"); |
| return; |
| } |
| |
| igep3_onenand_pdata.cs = onenandcs; |
| |
| if (platform_device_register(&igep3_onenand_device) < 0) |
| pr_err("IGEP3: Unable to register OneNAND device\n"); |
| } |
| |
| #else |
| static void __init igep3_flash_init(void) {} |
| #endif |
| |
| static struct regulator_consumer_supply igep3_vmmc1_supply = |
| REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"); |
| |
| /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ |
| static struct regulator_init_data igep3_vmmc1 = { |
| .constraints = { |
| .min_uV = 1850000, |
| .max_uV = 3150000, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| .num_consumer_supplies = 1, |
| .consumer_supplies = &igep3_vmmc1_supply, |
| }; |
| |
| static struct regulator_consumer_supply igep3_vio_supply = |
| REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"); |
| |
| static struct regulator_init_data igep3_vio = { |
| .constraints = { |
| .min_uV = 1800000, |
| .max_uV = 1800000, |
| .apply_uV = 1, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| .num_consumer_supplies = 1, |
| .consumer_supplies = &igep3_vio_supply, |
| }; |
| |
| static struct regulator_consumer_supply igep3_vmmc2_supply = |
| REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"); |
| |
| static struct regulator_init_data igep3_vmmc2 = { |
| .constraints = { |
| .valid_modes_mask = REGULATOR_MODE_NORMAL, |
| .always_on = 1, |
| }, |
| .num_consumer_supplies = 1, |
| .consumer_supplies = &igep3_vmmc2_supply, |
| }; |
| |
| static struct fixed_voltage_config igep3_vwlan = { |
| .supply_name = "vwlan", |
| .microvolts = 3300000, |
| .gpio = -EINVAL, |
| .enabled_at_boot = 1, |
| .init_data = &igep3_vmmc2, |
| }; |
| |
| static struct platform_device igep3_vwlan_device = { |
| .name = "reg-fixed-voltage", |
| .id = 0, |
| .dev = { |
| .platform_data = &igep3_vwlan, |
| }, |
| }; |
| |
| static struct omap2_hsmmc_info mmc[] = { |
| [0] = { |
| .mmc = 1, |
| .caps = MMC_CAP_4_BIT_DATA, |
| .gpio_cd = -EINVAL, |
| .gpio_wp = -EINVAL, |
| }, |
| #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE) |
| [1] = { |
| .mmc = 2, |
| .caps = MMC_CAP_4_BIT_DATA, |
| .gpio_cd = -EINVAL, |
| .gpio_wp = -EINVAL, |
| }, |
| #endif |
| {} /* Terminator */ |
| }; |
| |
| #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
| #include <linux/leds.h> |
| |
| static struct gpio_led igep3_gpio_leds[] = { |
| [0] = { |
| .name = "gpio-led:red:d0", |
| .gpio = IGEP3_GPIO_LED0_RED, |
| .default_trigger = "default-off" |
| }, |
| [1] = { |
| .name = "gpio-led:green:d0", |
| .gpio = IGEP3_GPIO_LED0_GREEN, |
| .default_trigger = "default-off", |
| }, |
| [2] = { |
| .name = "gpio-led:red:d1", |
| .gpio = IGEP3_GPIO_LED1_RED, |
| .default_trigger = "default-off", |
| }, |
| [3] = { |
| .name = "gpio-led:green:d1", |
| .default_trigger = "heartbeat", |
| .gpio = -EINVAL, /* gets replaced */ |
| }, |
| }; |
| |
| static struct gpio_led_platform_data igep3_led_pdata = { |
| .leds = igep3_gpio_leds, |
| .num_leds = ARRAY_SIZE(igep3_gpio_leds), |
| }; |
| |
| static struct platform_device igep3_led_device = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &igep3_led_pdata, |
| }, |
| }; |
| |
| static void __init igep3_leds_init(void) |
| { |
| platform_device_register(&igep3_led_device); |
| } |
| |
| #else |
| static inline void igep3_leds_init(void) |
| { |
| if ((gpio_request(IGEP3_GPIO_LED0_RED, "gpio-led:red:d0") == 0) && |
| (gpio_direction_output(IGEP3_GPIO_LED0_RED, 1) == 0)) { |
| gpio_export(IGEP3_GPIO_LED0_RED, 0); |
| gpio_set_value(IGEP3_GPIO_LED0_RED, 1); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_RED\n"); |
| |
| if ((gpio_request(IGEP3_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) && |
| (gpio_direction_output(IGEP3_GPIO_LED0_GREEN, 1) == 0)) { |
| gpio_export(IGEP3_GPIO_LED0_GREEN, 0); |
| gpio_set_value(IGEP3_GPIO_LED0_GREEN, 1); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_GREEN\n"); |
| |
| if ((gpio_request(IGEP3_GPIO_LED1_RED, "gpio-led:red:d1") == 0) && |
| (gpio_direction_output(IGEP3_GPIO_LED1_RED, 1) == 0)) { |
| gpio_export(IGEP3_GPIO_LED1_RED, 0); |
| gpio_set_value(IGEP3_GPIO_LED1_RED, 1); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_RED\n"); |
| } |
| #endif |
| |
| static int igep3_twl4030_gpio_setup(struct device *dev, |
| unsigned gpio, unsigned ngpio) |
| { |
| /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
| mmc[0].gpio_cd = gpio + 0; |
| omap2_hsmmc_init(mmc); |
| |
| /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */ |
| #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE) |
| if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0) |
| && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) { |
| gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0); |
| gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n"); |
| #else |
| igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1; |
| #endif |
| |
| return 0; |
| }; |
| |
| static struct twl4030_gpio_platform_data igep3_twl4030_gpio_pdata = { |
| .gpio_base = OMAP_MAX_GPIO_LINES, |
| .irq_base = TWL4030_GPIO_IRQ_BASE, |
| .irq_end = TWL4030_GPIO_IRQ_END, |
| .use_leds = true, |
| .setup = igep3_twl4030_gpio_setup, |
| }; |
| |
| static struct twl4030_usb_data igep3_twl4030_usb_data = { |
| .usb_mode = T2_USB_MODE_ULPI, |
| }; |
| |
| static struct platform_device *igep3_devices[] __initdata = { |
| &igep3_vwlan_device, |
| }; |
| |
| static void __init igep3_init_early(void) |
| { |
| omap2_init_common_infrastructure(); |
| omap2_init_common_devices(m65kxxxxam_sdrc_params, |
| m65kxxxxam_sdrc_params); |
| } |
| |
| static struct twl4030_platform_data igep3_twl4030_pdata = { |
| .irq_base = TWL4030_IRQ_BASE, |
| .irq_end = TWL4030_IRQ_END, |
| |
| /* platform_data for children goes here */ |
| .usb = &igep3_twl4030_usb_data, |
| .gpio = &igep3_twl4030_gpio_pdata, |
| .vmmc1 = &igep3_vmmc1, |
| .vio = &igep3_vio, |
| }; |
| |
| static struct i2c_board_info __initdata igep3_i2c_boardinfo[] = { |
| { |
| I2C_BOARD_INFO("twl4030", 0x48), |
| .flags = I2C_CLIENT_WAKE, |
| .irq = INT_34XX_SYS_NIRQ, |
| .platform_data = &igep3_twl4030_pdata, |
| }, |
| }; |
| |
| static int __init igep3_i2c_init(void) |
| { |
| omap_register_i2c_bus(1, 2600, igep3_i2c_boardinfo, |
| ARRAY_SIZE(igep3_i2c_boardinfo)); |
| |
| return 0; |
| } |
| |
| static struct omap_musb_board_data musb_board_data = { |
| .interface_type = MUSB_INTERFACE_ULPI, |
| .mode = MUSB_OTG, |
| .power = 100, |
| }; |
| |
| #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE) |
| |
| static void __init igep3_wifi_bt_init(void) |
| { |
| /* Configure MUX values for W-LAN + Bluetooth GPIO's */ |
| omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT); |
| omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT); |
| omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT); |
| |
| /* Set GPIO's for W-LAN + Bluetooth combo module */ |
| if ((gpio_request(IGEP3_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) && |
| (gpio_direction_output(IGEP3_GPIO_WIFI_NPD, 1) == 0)) { |
| gpio_export(IGEP3_GPIO_WIFI_NPD, 0); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NPD\n"); |
| |
| if ((gpio_request(IGEP3_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) && |
| (gpio_direction_output(IGEP3_GPIO_WIFI_NRESET, 1) == 0)) { |
| gpio_export(IGEP3_GPIO_WIFI_NRESET, 0); |
| gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0); |
| udelay(10); |
| gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NRESET\n"); |
| |
| if ((gpio_request(IGEP3_GPIO_BT_NRESET, "GPIO_BT_NRESET") == 0) && |
| (gpio_direction_output(IGEP3_GPIO_BT_NRESET, 1) == 0)) { |
| gpio_export(IGEP3_GPIO_BT_NRESET, 0); |
| } else |
| pr_warning("IGEP3: Could not obtain gpio GPIO_BT_NRESET\n"); |
| } |
| #else |
| void __init igep3_wifi_bt_init(void) {} |
| #endif |
| |
| static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
| .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, |
| .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| |
| .phy_reset = true, |
| .reset_gpio_port[0] = -EINVAL, |
| .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET, |
| .reset_gpio_port[2] = -EINVAL, |
| }; |
| |
| #ifdef CONFIG_OMAP_MUX |
| static struct omap_board_mux board_mux[] __initdata = { |
| OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), |
| { .reg_offset = OMAP_MUX_TERMINATOR }, |
| }; |
| #endif |
| |
| static void __init igep3_init(void) |
| { |
| omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
| |
| /* Register I2C busses and drivers */ |
| igep3_i2c_init(); |
| platform_add_devices(igep3_devices, ARRAY_SIZE(igep3_devices)); |
| omap_serial_init(); |
| usb_musb_init(&musb_board_data); |
| usb_ehci_init(&ehci_pdata); |
| |
| igep3_flash_init(); |
| igep3_leds_init(); |
| |
| /* |
| * WLAN-BT combo module from MuRata wich has a Marvell WLAN |
| * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface. |
| */ |
| igep3_wifi_bt_init(); |
| |
| } |
| |
| MACHINE_START(IGEP0030, "IGEP OMAP3 module") |
| .boot_params = 0x80000100, |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = igep3_init_early, |
| .init_irq = omap_init_irq, |
| .init_machine = igep3_init, |
| .timer = &omap_timer, |
| MACHINE_END |