301 lines
7.3 KiB
C
301 lines
7.3 KiB
C
/* linux/arch/arm/plat-s3c24xx/common-smdk.c
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*
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* Copyright (c) 2006 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Common code for SMDK2410 and SMDK2440 boards
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*
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* http://www.fluff.org/ben/smdk2440/
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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/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.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/nand.h>
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#include <linux/mtd/nand_ecc.h>
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#include <linux/mtd/partitions.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/irq.h>
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#include <asm/mach/flash.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/arch/regs-gpio.h>
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#include <asm/arch/leds-gpio.h>
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#include <asm/arch/nand.h>
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#include <asm/plat-s3c24xx/common-smdk.h>
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#include <asm/plat-s3c24xx/devs.h>
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#include <asm/plat-s3c24xx/pm.h>
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/* LED devices */
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static struct s3c24xx_led_platdata smdk_pdata_led4 = {
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.gpio = S3C2410_GPF4,
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.flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
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.name = "led4",
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.def_trigger = "timer",
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};
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static struct s3c24xx_led_platdata smdk_pdata_led5 = {
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.gpio = S3C2410_GPF5,
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.flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
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.name = "led5",
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.def_trigger = "nand-disk",
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};
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static struct s3c24xx_led_platdata smdk_pdata_led6 = {
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.gpio = S3C2410_GPF6,
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.flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
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.name = "led6",
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};
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static struct s3c24xx_led_platdata smdk_pdata_led7 = {
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.gpio = S3C2410_GPF7,
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.flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
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.name = "led7",
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};
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static struct platform_device smdk_led4 = {
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.name = "s3c24xx_led",
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.id = 0,
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.dev = {
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.platform_data = &smdk_pdata_led4,
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},
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};
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static struct platform_device smdk_led5 = {
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.name = "s3c24xx_led",
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.id = 1,
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.dev = {
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.platform_data = &smdk_pdata_led5,
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},
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};
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static struct platform_device smdk_led6 = {
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.name = "s3c24xx_led",
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.id = 2,
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.dev = {
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.platform_data = &smdk_pdata_led6,
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},
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};
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static struct platform_device smdk_led7 = {
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.name = "s3c24xx_led",
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.id = 3,
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.dev = {
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.platform_data = &smdk_pdata_led7,
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},
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};
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/* NAND parititon from 2.4.18-swl5 */
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static struct mtd_partition smdk_default_nand_part[] = {
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[0] = {
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.name = "Boot Agent",
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.size = SZ_16K,
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.offset = 0,
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},
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[1] = {
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.name = "S3C2410 flash partition 1",
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.offset = 0,
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.size = SZ_2M,
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},
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[2] = {
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.name = "S3C2410 flash partition 2",
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.offset = SZ_4M,
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.size = SZ_4M,
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},
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[3] = {
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.name = "S3C2410 flash partition 3",
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.offset = SZ_8M,
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.size = SZ_2M,
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},
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[4] = {
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.name = "S3C2410 flash partition 4",
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.offset = SZ_1M * 10,
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.size = SZ_4M,
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},
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[5] = {
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.name = "S3C2410 flash partition 5",
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.offset = SZ_1M * 14,
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.size = SZ_1M * 10,
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},
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[6] = {
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.name = "S3C2410 flash partition 6",
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.offset = SZ_1M * 24,
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.size = SZ_1M * 24,
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},
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[7] = {
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.name = "S3C2410 flash partition 7",
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.offset = SZ_1M * 48,
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.size = SZ_16M,
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}
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};
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/* ----------------S3C NAND partition information ---------------------*/
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struct mtd_partition s3c_partition_info[] = {
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{
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.name = "Bootloader",
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.offset = 0,
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.size = (256*SZ_1K),
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.mask_flags = MTD_CAP_NANDFLASH,
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},
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/*Qisda Qube for change partition table*/
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{
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.name = "Kernel",
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.offset = (256*SZ_1K), /* Block number is 0x10 */
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//.size = (2*SZ_1M) - (256*SZ_1K),
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.size = (2*SZ_1M),
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.mask_flags = MTD_CAP_NANDFLASH,
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},
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#ifdef CONFIG_SPLIT_ROOT_FILESYSTEM
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{
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.name = "Root - Cramfs",
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.offset = (2*SZ_1M+256*SZ_1K), /* Block number is 0x80 */
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.size = (80*SZ_1M),
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},
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#endif
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{
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.name = "ODM - reserved",
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.offset = (2*SZ_1M+256*SZ_1K+80*SZ_1M), /* Block number is 0x80 */
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.size = (SZ_1M),
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},
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/*Qisda Qube for change partition table*/
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{
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.name = "File System",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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}
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};
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struct s3c_nand_mtd_info nand_mtd_info = {
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.chip_nr = 1,
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.mtd_part_nr = ARRAY_SIZE(s3c_partition_info),
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.partition = s3c_partition_info,
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};
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struct s3c_nand_mtd_info * get_board_nand_mtd_info (void)
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{
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return &nand_mtd_info;
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}
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struct flash_platform_data s3c_onenand_data = {
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.parts = s3c_partition_info,
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.nr_parts = ARRAY_SIZE(s3c_partition_info),
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};
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/* ---------------------------------------------------------------------*/
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static struct s3c2410_nand_set smdk_nand_sets[] = {
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[0] = {
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.name = "NAND",
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.nr_chips = 1,
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.nr_partitions = ARRAY_SIZE(smdk_default_nand_part),
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.partitions = smdk_default_nand_part,
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},
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};
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/* choose a set of timings which should suit most 512Mbit
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* chips and beyond.
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*/
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static struct s3c2410_platform_nand smdk_nand_info = {
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.tacls = 20,
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.twrph0 = 60,
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.twrph1 = 20,
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.nr_sets = ARRAY_SIZE(smdk_nand_sets),
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.sets = smdk_nand_sets,
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};
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/* devices we initialise */
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static struct platform_device __initdata *smdk_devs[] = {
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&s3c_device_nand,
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&s3c_device_onenand,
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&smdk_led4,
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&smdk_led5,
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&smdk_led6,
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&smdk_led7,
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};
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void __init smdk_machine_init(void)
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{
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/* Configure the LEDs (even if we have no LED support)*/
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//Qisda, Leo SJ Yang, 2009/08/14, re{
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// remove gpio configuration that doesn't need in EVT2
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#ifdef CONFIG_QISDA_E600_EVT0
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s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
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s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
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s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
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s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
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s3c2410_gpio_setpin(S3C2410_GPF4, 1);
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s3c2410_gpio_setpin(S3C2410_GPF5, 1);
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s3c2410_gpio_setpin(S3C2410_GPF6, 1);
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s3c2410_gpio_setpin(S3C2410_GPF7, 1);
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#endif
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//}Qisda, Leo SJ Yang, 2009/08/14,
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// remove gpio configuration that doesn't need in EVT2
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//Qisda, Asaku Chen, 2009/07/31, audio codec enable {
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#ifdef CONFIG_SND_S3C24XX_SOC_SMDK2416_RT5624
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// rt5624_power(true);
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// msleep(10);
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#endif
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//Qisda, Asaku Chen, 2009/07/31, audio codec enable }
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//Qisda, Asaku Chen, 2009/07/16, touch panel enable {
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#ifdef CONFIG_TOUCHSCREEN_IIC_QISDA
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//Qisda, Leo SJ Yang, 2009/08/14,{
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// //Set GPF5 as touch enable pin for evt2
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#ifdef CONFIG_QISDA_E600_EVT0
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writel((readl(S3C2416_GPKCON) & ~(1<<5) | (1<<4)), S3C2416_GPKCON);
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writel((readl(S3C2416_GPKDAT) | (1<<2)), S3C2416_GPKDAT);
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#else
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s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
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s3c2410_gpio_setpin(S3C2410_GPF5, 1);
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#endif
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#endif
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//}Qisda, Leo SJ Yang, 2009/08/14,
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////Set GPF5 as touch enable pin for evt2
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//Qisda, Asaku Chen, 2009/07/16, touch panel enable }
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#ifdef CONFIG_QISDA_AS090B00_EVT1_1
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s3c2410_gpio_cfgpin(S3C2410_GPA1, S3C2410_GPA1_OUT);
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s3c2410_gpio_setpin(S3C2410_GPA1, 1);
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#else
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//Qisda, Asaku Chen, 2009/07/16, I2C enable {
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s3c2410_gpio_cfgpin(S3C2410_GPG3, S3C2410_GPG3_OUTP);
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s3c2410_gpio_setpin(S3C2410_GPG3, 1);
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//Qisda, Asaku Chen, 2009/07/16, I2C enable }
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#endif //!CONFIG_QISDA_AS090B00_EVT1_1
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s3c_device_nand.dev.platform_data = &smdk_nand_info;
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//For s3c nand partition
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s3c_device_nand.dev.platform_data = &nand_mtd_info;
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platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
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s3c2410_pm_init();
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}
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