| // SPDX-License-Identifier: GPL-2.0 |
| // |
| // Copyright (c) 2006 Simtec Electronics |
| // Ben Dooks <ben@simtec.co.uk> |
| // |
| // Common code for SMDK2410 and SMDK2440 boards |
| // |
| // http://www.fluff.org/ben/smdk2440/ |
| |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/interrupt.h> |
| #include <linux/list.h> |
| #include <linux/timer.h> |
| #include <linux/init.h> |
| #include <linux/gpio.h> |
| #include <linux/gpio/machine.h> |
| #include <linux/device.h> |
| #include <linux/platform_device.h> |
| |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/rawnand.h> |
| #include <linux/mtd/nand_ecc.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/io.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/irq.h> |
| |
| #include <asm/mach-types.h> |
| #include <mach/hardware.h> |
| #include <asm/irq.h> |
| |
| #include <mach/regs-gpio.h> |
| #include <mach/gpio-samsung.h> |
| #include <linux/platform_data/leds-s3c24xx.h> |
| #include <linux/platform_data/mtd-nand-s3c2410.h> |
| |
| #include <plat/gpio-cfg.h> |
| #include <plat/devs.h> |
| #include <plat/pm.h> |
| |
| #include "common-smdk.h" |
| |
| /* LED devices */ |
| |
| static struct gpiod_lookup_table smdk_led4_gpio_table = { |
| .dev_id = "s3c24xx_led.0", |
| .table = { |
| GPIO_LOOKUP("GPF", 4, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
| { }, |
| }, |
| }; |
| |
| static struct gpiod_lookup_table smdk_led5_gpio_table = { |
| .dev_id = "s3c24xx_led.1", |
| .table = { |
| GPIO_LOOKUP("GPF", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
| { }, |
| }, |
| }; |
| |
| static struct gpiod_lookup_table smdk_led6_gpio_table = { |
| .dev_id = "s3c24xx_led.2", |
| .table = { |
| GPIO_LOOKUP("GPF", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
| { }, |
| }, |
| }; |
| |
| static struct gpiod_lookup_table smdk_led7_gpio_table = { |
| .dev_id = "s3c24xx_led.3", |
| .table = { |
| GPIO_LOOKUP("GPF", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
| { }, |
| }, |
| }; |
| |
| static struct s3c24xx_led_platdata smdk_pdata_led4 = { |
| .name = "led4", |
| .def_trigger = "timer", |
| }; |
| |
| static struct s3c24xx_led_platdata smdk_pdata_led5 = { |
| .name = "led5", |
| .def_trigger = "nand-disk", |
| }; |
| |
| static struct s3c24xx_led_platdata smdk_pdata_led6 = { |
| .name = "led6", |
| }; |
| |
| static struct s3c24xx_led_platdata smdk_pdata_led7 = { |
| .name = "led7", |
| }; |
| |
| static struct platform_device smdk_led4 = { |
| .name = "s3c24xx_led", |
| .id = 0, |
| .dev = { |
| .platform_data = &smdk_pdata_led4, |
| }, |
| }; |
| |
| static struct platform_device smdk_led5 = { |
| .name = "s3c24xx_led", |
| .id = 1, |
| .dev = { |
| .platform_data = &smdk_pdata_led5, |
| }, |
| }; |
| |
| static struct platform_device smdk_led6 = { |
| .name = "s3c24xx_led", |
| .id = 2, |
| .dev = { |
| .platform_data = &smdk_pdata_led6, |
| }, |
| }; |
| |
| static struct platform_device smdk_led7 = { |
| .name = "s3c24xx_led", |
| .id = 3, |
| .dev = { |
| .platform_data = &smdk_pdata_led7, |
| }, |
| }; |
| |
| /* NAND parititon from 2.4.18-swl5 */ |
| |
| static struct mtd_partition smdk_default_nand_part[] = { |
| [0] = { |
| .name = "Boot Agent", |
| .size = SZ_16K, |
| .offset = 0, |
| }, |
| [1] = { |
| .name = "S3C2410 flash partition 1", |
| .offset = 0, |
| .size = SZ_2M, |
| }, |
| [2] = { |
| .name = "S3C2410 flash partition 2", |
| .offset = SZ_4M, |
| .size = SZ_4M, |
| }, |
| [3] = { |
| .name = "S3C2410 flash partition 3", |
| .offset = SZ_8M, |
| .size = SZ_2M, |
| }, |
| [4] = { |
| .name = "S3C2410 flash partition 4", |
| .offset = SZ_1M * 10, |
| .size = SZ_4M, |
| }, |
| [5] = { |
| .name = "S3C2410 flash partition 5", |
| .offset = SZ_1M * 14, |
| .size = SZ_1M * 10, |
| }, |
| [6] = { |
| .name = "S3C2410 flash partition 6", |
| .offset = SZ_1M * 24, |
| .size = SZ_1M * 24, |
| }, |
| [7] = { |
| .name = "S3C2410 flash partition 7", |
| .offset = SZ_1M * 48, |
| .size = MTDPART_SIZ_FULL, |
| } |
| }; |
| |
| static struct s3c2410_nand_set smdk_nand_sets[] = { |
| [0] = { |
| .name = "NAND", |
| .nr_chips = 1, |
| .nr_partitions = ARRAY_SIZE(smdk_default_nand_part), |
| .partitions = smdk_default_nand_part, |
| }, |
| }; |
| |
| /* choose a set of timings which should suit most 512Mbit |
| * chips and beyond. |
| */ |
| |
| static struct s3c2410_platform_nand smdk_nand_info = { |
| .tacls = 20, |
| .twrph0 = 60, |
| .twrph1 = 20, |
| .nr_sets = ARRAY_SIZE(smdk_nand_sets), |
| .sets = smdk_nand_sets, |
| .engine_type = NAND_ECC_ENGINE_TYPE_SOFT, |
| }; |
| |
| /* devices we initialise */ |
| |
| static struct platform_device __initdata *smdk_devs[] = { |
| &s3c_device_nand, |
| &smdk_led4, |
| &smdk_led5, |
| &smdk_led6, |
| &smdk_led7, |
| }; |
| |
| void __init smdk_machine_init(void) |
| { |
| if (machine_is_smdk2443()) |
| smdk_nand_info.twrph0 = 50; |
| |
| s3c_nand_set_platdata(&smdk_nand_info); |
| |
| /* Disable pull-up on the LED lines */ |
| s3c_gpio_setpull(S3C2410_GPF(4), S3C_GPIO_PULL_NONE); |
| s3c_gpio_setpull(S3C2410_GPF(5), S3C_GPIO_PULL_NONE); |
| s3c_gpio_setpull(S3C2410_GPF(6), S3C_GPIO_PULL_NONE); |
| s3c_gpio_setpull(S3C2410_GPF(7), S3C_GPIO_PULL_NONE); |
| |
| /* Add lookups for the lines */ |
| gpiod_add_lookup_table(&smdk_led4_gpio_table); |
| gpiod_add_lookup_table(&smdk_led5_gpio_table); |
| gpiod_add_lookup_table(&smdk_led6_gpio_table); |
| gpiod_add_lookup_table(&smdk_led7_gpio_table); |
| |
| platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs)); |
| |
| s3c_pm_init(); |
| } |