210 строки
4.4 KiB
C
210 строки
4.4 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/gpio.h>
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#include <linux/device.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 <linux/io.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-types.h>
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#include <mach/hardware.h>
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#include <asm/irq.h>
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#include <mach/regs-gpio.h>
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#include <linux/platform_data/leds-s3c24xx.h>
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#include <linux/platform_data/mtd-nand-s3c2410.h>
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#include <plat/common-smdk.h>
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#include <plat/gpio-cfg.h>
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#include <plat/devs.h>
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#include <plat/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_GPF(4),
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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_GPF(5),
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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_GPF(6),
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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_GPF(7),
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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 = MTDPART_SIZ_FULL,
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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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&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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static const struct gpio smdk_led_gpios[] = {
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{ S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL },
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{ S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL },
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{ S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL },
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{ S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL },
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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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int ret = gpio_request_array(smdk_led_gpios,
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ARRAY_SIZE(smdk_led_gpios));
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if (!WARN_ON(ret < 0))
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gpio_free_array(smdk_led_gpios, ARRAY_SIZE(smdk_led_gpios));
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if (machine_is_smdk2443())
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smdk_nand_info.twrph0 = 50;
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s3c_nand_set_platdata(&smdk_nand_info);
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platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));
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s3c_pm_init();
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}
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