diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx')
| -rw-r--r-- | arch/arm/mach-s3c24xx/Kconfig | 19 | ||||
| -rw-r--r-- | arch/arm/mach-s3c24xx/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-s3c24xx/common-smdk.c | 207 |
3 files changed, 222 insertions, 5 deletions
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index 48af6fcb8acd..7dede0742daa 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -81,6 +81,15 @@ config CPU_S3C2443 help Support for the S3C2443 SoC from the S3C24XX line +# common code + +config S3C24XX_SMDK + bool + help + Common machine code for SMDK2410 and SMDK2440 + +# cpu-specific sections + if CPU_S3C2410 config S3C2410_DMA @@ -192,7 +201,7 @@ config MACH_QT2410 config ARCH_SMDK2410 bool "SMDK2410/A9M2410" - select MACH_SMDK + select S3C24XX_SMDK help Say Y here if you are using the SMDK2410 or the derived module A9M2410 <http://www.fsforth.de> @@ -279,7 +288,7 @@ config MACH_SMDK2412 config MACH_SMDK2413 bool "SMDK2413" select MACH_S3C2413 - select MACH_SMDK + select S3C24XX_SMDK select S3C_DEV_USB_HOST select S3C_DEV_NAND help @@ -317,7 +326,7 @@ comment "S3C2416 Boards" config MACH_SMDK2416 bool "SMDK2416" - select MACH_SMDK + select S3C24XX_SMDK select S3C_DEV_FB select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 @@ -420,7 +429,7 @@ config MACH_RX3715 config ARCH_S3C2440 bool "SMDK2440" select S3C2440_XTAL_16934400 - select MACH_SMDK + select S3C24XX_SMDK select S3C_DEV_USB_HOST select S3C_DEV_NAND help @@ -492,7 +501,7 @@ comment "S3C2443 Boards" config MACH_SMDK2443 bool "SMDK2443" - select MACH_SMDK + select S3C24XX_SMDK select S3C_DEV_HSMMC1 help Say Y here if you are using an SMDK2443 diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index 876e5e54d976..b1c3c6f7c2eb 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -77,6 +77,7 @@ obj-$(CONFIG_MACH_SMDK2443) += mach-smdk2443.o # common bits of machine support +obj-$(CONFIG_S3C24XX_SMDK) += common-smdk.o obj-$(CONFIG_SIMTEC_NOR) += nor-simtec.o # machine additions diff --git a/arch/arm/mach-s3c24xx/common-smdk.c b/arch/arm/mach-s3c24xx/common-smdk.c new file mode 100644 index 000000000000..084604be6ad1 --- /dev/null +++ b/arch/arm/mach-s3c24xx/common-smdk.c @@ -0,0 +1,207 @@ +/* linux/arch/arm/plat-s3c24xx/common-smdk.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Common code for SMDK2410 and SMDK2440 boards + * + * http://www.fluff.org/ben/smdk2440/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#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/nand.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/leds-gpio.h> + +#include <plat/nand.h> + +#include <plat/common-smdk.h> +#include <plat/gpio-cfg.h> +#include <plat/devs.h> +#include <plat/pm.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, +}; + +/* 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) +{ + /* Configure the LEDs (even if we have no LED support)*/ + + s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT); + s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT); + + s3c2410_gpio_setpin(S3C2410_GPF(4), 1); + s3c2410_gpio_setpin(S3C2410_GPF(5), 1); + s3c2410_gpio_setpin(S3C2410_GPF(6), 1); + s3c2410_gpio_setpin(S3C2410_GPF(7), 1); + + 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(); +} |