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Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-s3c24xx/common-smdk.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/common-smdk.c b/arch/arm/mach-s3c24xx/common-smdk.c new file mode 100644 index 000000000..58e30cad3 --- /dev/null +++ b/arch/arm/mach-s3c24xx/common-smdk.c @@ -0,0 +1,206 @@ +// 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/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 s3c24xx_led_platdata smdk_pdata_led4 = { + .gpio = S3C2410_GPF(4), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led4", + .def_trigger = "timer", +}; + +static struct s3c24xx_led_platdata smdk_pdata_led5 = { + .gpio = S3C2410_GPF(5), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led5", + .def_trigger = "nand-disk", +}; + +static struct s3c24xx_led_platdata smdk_pdata_led6 = { + .gpio = S3C2410_GPF(6), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led6", +}; + +static struct s3c24xx_led_platdata smdk_pdata_led7 = { + .gpio = S3C2410_GPF(7), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .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, + .ecc_mode = NAND_ECC_SOFT, +}; + +/* devices we initialise */ + +static struct platform_device __initdata *smdk_devs[] = { + &s3c_device_nand, + &smdk_led4, + &smdk_led5, + &smdk_led6, + &smdk_led7, +}; + +static const struct gpio smdk_led_gpios[] = { + { S3C2410_GPF(4), GPIOF_OUT_INIT_HIGH, NULL }, + { S3C2410_GPF(5), GPIOF_OUT_INIT_HIGH, NULL }, + { S3C2410_GPF(6), GPIOF_OUT_INIT_HIGH, NULL }, + { S3C2410_GPF(7), GPIOF_OUT_INIT_HIGH, NULL }, +}; + +void __init smdk_machine_init(void) +{ + /* Configure the LEDs (even if we have no LED support)*/ + + int ret = gpio_request_array(smdk_led_gpios, + ARRAY_SIZE(smdk_led_gpios)); + if (!WARN_ON(ret < 0)) + gpio_free_array(smdk_led_gpios, ARRAY_SIZE(smdk_led_gpios)); + + if (machine_is_smdk2443()) + smdk_nand_info.twrph0 = 50; + + s3c_nand_set_platdata(&smdk_nand_info); + + platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs)); + + s3c_pm_init(); +} |