diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-2430sdp.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-2430sdp.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c new file mode 100644 index 00000000..5de6eac0 --- /dev/null +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -0,0 +1,266 @@ +/* + * linux/arch/arm/mach-omap2/board-2430sdp.c + * + * Copyright (C) 2006 Texas Instruments + * + * Modified from mach-omap2/board-generic.c + * + * Initial Code : Based on a patch from Komal Shah and Richard Woodruff + * Updated the Code for 2430 SDP : Syed Mohammed Khasim + * + * 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/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/mmc/host.h> +#include <linux/delay.h> +#include <linux/i2c/twl.h> +#include <linux/regulator/machine.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <mach/hardware.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> +#include <plat/usb.h> +#include <plat/gpmc-smc91x.h> + +#include "mux.h" +#include "hsmmc.h" +#include "common-board-devices.h" + +#define SDP2430_CS0_BASE 0x04000000 +#define SECONDARY_LCD_GPIO 147 + +static struct mtd_partition sdp2430_partitions[] = { + /* bootloader (U-Boot, etc) in first sector */ + { + .name = "bootloader", + .offset = 0, + .size = SZ_256K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* bootloader params in the next sector */ + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = SZ_128K, + .mask_flags = 0, + }, + /* kernel */ + { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M, + .mask_flags = 0 + }, + /* file system */ + { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } +}; + +static struct physmap_flash_data sdp2430_flash_data = { + .width = 2, + .parts = sdp2430_partitions, + .nr_parts = ARRAY_SIZE(sdp2430_partitions), +}; + +static struct resource sdp2430_flash_resource = { + .start = SDP2430_CS0_BASE, + .end = SDP2430_CS0_BASE + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device sdp2430_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &sdp2430_flash_data, + }, + .num_resources = 1, + .resource = &sdp2430_flash_resource, +}; + +static struct platform_device sdp2430_lcd_device = { + .name = "sdp2430_lcd", + .id = -1, +}; + +static struct platform_device *sdp2430_devices[] __initdata = { + &sdp2430_flash_device, + &sdp2430_lcd_device, +}; + +static struct omap_lcd_config sdp2430_lcd_config __initdata = { + .ctrl_name = "internal", +}; + +#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE) + +static struct omap_smc91x_platform_data board_smc91x_data = { + .cs = 5, + .gpio_irq = 149, + .flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 | + IORESOURCE_IRQ_LOWLEVEL, + +}; + +static void __init board_smc91x_init(void) +{ + omap_mux_init_gpio(149, OMAP_PIN_INPUT); + gpmc_smc91x_init(&board_smc91x_data); +} + +#else + +static inline void board_smc91x_init(void) +{ +} + +#endif + +static struct omap_board_config_kernel sdp2430_config[] __initdata = { + {OMAP_TAG_LCD, &sdp2430_lcd_config}, +}; + +static void __init omap_2430sdp_init_early(void) +{ + omap2_init_common_infrastructure(); + omap2_init_common_devices(NULL, NULL); +} + +static struct regulator_consumer_supply sdp2430_vmmc1_supplies[] = { + REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), +}; + +/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ +static struct regulator_init_data sdp2430_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 = ARRAY_SIZE(sdp2430_vmmc1_supplies), + .consumer_supplies = &sdp2430_vmmc1_supplies[0], +}; + +static struct twl4030_gpio_platform_data sdp2430_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, +}; + +static struct twl4030_platform_data sdp2430_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .gpio = &sdp2430_gpio_data, + .vmmc1 = &sdp2430_vmmc1, +}; + +static struct i2c_board_info __initdata sdp2430_i2c1_boardinfo[] = { + { + I2C_BOARD_INFO("isp1301_omap", 0x2D), + .flags = I2C_CLIENT_WAKE, + .irq = OMAP_GPIO_IRQ(78), + }, +}; + +static int __init omap2430_i2c_init(void) +{ + omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo, + ARRAY_SIZE(sdp2430_i2c1_boardinfo)); + omap2_pmic_init("twl4030", &sdp2430_twldata); + return 0; +} + +static struct omap2_hsmmc_info mmc[] __initdata = { + { + .mmc = 1, + .caps = MMC_CAP_4_BIT_DATA, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + .ext_clock = 1, + }, + {} /* Terminator */ +}; + +static struct omap_usb_config sdp2430_usb_config __initdata = { + .otg = 1, +#ifdef CONFIG_USB_GADGET_OMAP + .hmc_mode = 0x0, +#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) + .hmc_mode = 0x1, +#endif + .pins[0] = 3, +}; + +#ifdef CONFIG_OMAP_MUX +static struct omap_board_mux board_mux[] __initdata = { + { .reg_offset = OMAP_MUX_TERMINATOR }, +}; +#endif + +static void __init omap_2430sdp_init(void) +{ + omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC); + + omap_board_config = sdp2430_config; + omap_board_config_size = ARRAY_SIZE(sdp2430_config); + + omap2430_i2c_init(); + + platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices)); + omap_serial_init(); + omap2_hsmmc_init(mmc); + omap2_usbfs_init(&sdp2430_usb_config); + + omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP); + usb_musb_init(NULL); + + board_smc91x_init(); + + /* Turn off secondary LCD backlight */ + gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW, + "Secondary LCD backlight"); +} + +static void __init omap_2430sdp_map_io(void) +{ + omap2_set_globals_243x(); + omap243x_map_common_io(); +} + +MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") + /* Maintainer: Syed Khasim - Texas Instruments Inc */ + .boot_params = 0x80000100, + .reserve = omap_reserve, + .map_io = omap_2430sdp_map_io, + .init_early = omap_2430sdp_init_early, + .init_irq = omap_init_irq, + .init_machine = omap_2430sdp_init, + .timer = &omap_timer, +MACHINE_END |