231 lines
5.1 KiB
C
231 lines
5.1 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-2430sdp.c
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*
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* Copyright (C) 2006 Texas Instruments
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*
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* Modified from mach-omap2/board-generic.c
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*
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* Initial Code : Based on a patch from Komal Shah and Richard Woodruff
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* Updated the Code for 2430 SDP : Syed Mohammed Khasim
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/delay.h>
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#include <linux/i2c/twl4030.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/flash.h>
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#include <mach/gpio.h>
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#include <mach/mux.h>
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#include <mach/board.h>
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#include <mach/common.h>
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#include <mach/gpmc.h>
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#include <mach/usb.h>
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#include <mach/gpmc-smc91x.h>
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#include "mmc-twl4030.h"
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#define SDP2430_CS0_BASE 0x04000000
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#define SECONDARY_LCD_GPIO 147
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static struct mtd_partition sdp2430_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_256K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0,
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0
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},
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/* file system */
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct flash_platform_data sdp2430_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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.parts = sdp2430_partitions,
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.nr_parts = ARRAY_SIZE(sdp2430_partitions),
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};
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static struct resource sdp2430_flash_resource = {
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.start = SDP2430_CS0_BASE,
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.end = SDP2430_CS0_BASE + SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device sdp2430_flash_device = {
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.name = "omapflash",
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.id = 0,
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.dev = {
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.platform_data = &sdp2430_flash_data,
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},
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.num_resources = 1,
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.resource = &sdp2430_flash_resource,
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};
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static struct platform_device sdp2430_lcd_device = {
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.name = "sdp2430_lcd",
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.id = -1,
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};
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static struct platform_device *sdp2430_devices[] __initdata = {
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&sdp2430_flash_device,
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&sdp2430_lcd_device,
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};
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static struct omap_lcd_config sdp2430_lcd_config __initdata = {
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.ctrl_name = "internal",
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};
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91x_MODULE)
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static struct omap_smc91x_platform_data board_smc91x_data = {
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.cs = 5,
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.gpio_irq = 149,
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.flags = GPMC_MUX_ADD_DATA | GPMC_TIMINGS_SMC91C96 |
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IORESOURCE_IRQ_LOWLEVEL,
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};
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static void __init board_smc91x_init(void)
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{
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if (omap_rev() > OMAP3430_REV_ES1_0)
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board_smc91x_data.gpio_irq = 6;
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else
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board_smc91x_data.gpio_irq = 29;
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gpmc_smc91x_init(&board_smc91x_data);
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}
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#else
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static inline void board_smc91x_init(void)
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{
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}
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#endif
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static struct omap_board_config_kernel sdp2430_config[] = {
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{OMAP_TAG_LCD, &sdp2430_lcd_config},
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};
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static void __init omap_2430sdp_init_irq(void)
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{
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omap_board_config = sdp2430_config;
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omap_board_config_size = ARRAY_SIZE(sdp2430_config);
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omap2_init_common_hw(NULL, NULL);
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omap_init_irq();
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omap_gpio_init();
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}
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static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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};
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static struct twl4030_platform_data sdp2430_twldata = {
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.irq_base = TWL4030_IRQ_BASE,
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.irq_end = TWL4030_IRQ_END,
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/* platform_data for children goes here */
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.gpio = &sdp2430_gpio_data,
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};
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static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
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{
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I2C_BOARD_INFO("twl4030", 0x48),
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.flags = I2C_CLIENT_WAKE,
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.irq = INT_24XX_SYS_NIRQ,
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.platform_data = &sdp2430_twldata,
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},
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};
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static int __init omap2430_i2c_init(void)
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{
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omap_register_i2c_bus(1, 400, NULL, 0);
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omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
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ARRAY_SIZE(sdp2430_i2c_boardinfo));
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return 0;
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}
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static struct twl4030_hsmmc_info mmc[] __initdata = {
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{
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.mmc = 1,
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.wires = 4,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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.ext_clock = 1,
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},
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{} /* Terminator */
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};
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static void __init omap_2430sdp_init(void)
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{
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int ret;
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omap2430_i2c_init();
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platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
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omap_serial_init();
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twl4030_mmc_init(mmc);
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usb_musb_init();
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board_smc91x_init();
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/* Turn off secondary LCD backlight */
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ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
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if (ret == 0)
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gpio_direction_output(SECONDARY_LCD_GPIO, 0);
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}
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static void __init omap_2430sdp_map_io(void)
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{
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omap2_set_globals_243x();
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omap2_map_common_io();
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}
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MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board")
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/* Maintainer: Syed Khasim - Texas Instruments Inc */
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.phys_io = 0x48000000,
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.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
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.boot_params = 0x80000100,
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.map_io = omap_2430sdp_map_io,
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.init_irq = omap_2430sdp_init_irq,
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.init_machine = omap_2430sdp_init,
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.timer = &omap_timer,
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MACHINE_END
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