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// 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 <asm/irq.h>
#include "regs-gpio.h"
#include "gpio-samsung.h"
#include <linux/platform_data/leds-s3c24xx.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>
#include "gpio-cfg.h"
#include "devs.h"
#include "pm.h"
#include "common-smdk-s3c24xx.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();
}
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