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228 lines
4.7 KiB
228 lines
4.7 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// Copyright (c) 2006 Simtec Electronics |
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// Ben Dooks <[email protected]> |
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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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#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/gpio/machine.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/rawnand.h> |
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#include <linux/mtd/nand-ecc-sw-hamming.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 <asm/irq.h> |
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#include "regs-gpio.h" |
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#include "gpio-samsung.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 "gpio-cfg.h" |
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#include "devs.h" |
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#include "pm.h" |
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#include "common-smdk-s3c24xx.h" |
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/* LED devices */ |
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static struct gpiod_lookup_table smdk_led4_gpio_table = { |
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.dev_id = "s3c24xx_led.0", |
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.table = { |
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GPIO_LOOKUP("GPF", 4, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
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{ }, |
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}, |
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}; |
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static struct gpiod_lookup_table smdk_led5_gpio_table = { |
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.dev_id = "s3c24xx_led.1", |
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.table = { |
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GPIO_LOOKUP("GPF", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
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{ }, |
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}, |
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}; |
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static struct gpiod_lookup_table smdk_led6_gpio_table = { |
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.dev_id = "s3c24xx_led.2", |
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.table = { |
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GPIO_LOOKUP("GPF", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
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{ }, |
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}, |
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}; |
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static struct gpiod_lookup_table smdk_led7_gpio_table = { |
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.dev_id = "s3c24xx_led.3", |
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.table = { |
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GPIO_LOOKUP("GPF", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
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{ }, |
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}, |
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}; |
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static struct s3c24xx_led_platdata smdk_pdata_led4 = { |
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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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.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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.name = "led6", |
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}; |
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static struct s3c24xx_led_platdata smdk_pdata_led7 = { |
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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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.engine_type = NAND_ECC_ENGINE_TYPE_SOFT, |
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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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void __init smdk_machine_init(void) |
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{ |
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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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/* Disable pull-up on the LED lines */ |
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s3c_gpio_setpull(S3C2410_GPF(4), S3C_GPIO_PULL_NONE); |
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s3c_gpio_setpull(S3C2410_GPF(5), S3C_GPIO_PULL_NONE); |
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s3c_gpio_setpull(S3C2410_GPF(6), S3C_GPIO_PULL_NONE); |
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s3c_gpio_setpull(S3C2410_GPF(7), S3C_GPIO_PULL_NONE); |
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/* Add lookups for the lines */ |
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gpiod_add_lookup_table(&smdk_led4_gpio_table); |
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gpiod_add_lookup_table(&smdk_led5_gpio_table); |
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gpiod_add_lookup_table(&smdk_led6_gpio_table); |
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gpiod_add_lookup_table(&smdk_led7_gpio_table); |
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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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