mach-vstms.c

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/* linux/arch/arm/mach-s3c2412/mach-vstms.c
 *
 * (C) 2006 Thomas Gleixner <[email protected]>
 *
 * Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
 *
 * 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/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>

#include <mach/idle.h>
#include <mach/fb.h>

#include <linux/platform_data/i2c-s3c2410.h>
#include <linux/platform_data/mtd-nand-s3c2410.h>

#include <plat/s3c2410.h>
#include <plat/s3c2412.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>


static struct map_desc vstms_iodesc[] __initdata = {
};

static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
    [0] = {
        .hwport      = 0,
        .flags       = 0,
        .ucon        = 0x3c5,
        .ulcon       = 0x03,
        .ufcon       = 0x51,
    },
    [1] = {
        .hwport      = 1,
        .flags       = 0,
        .ucon        = 0x3c5,
        .ulcon       = 0x03,
        .ufcon       = 0x51,
    },
    [2] = {
        .hwport      = 2,
        .flags       = 0,
        .ucon        = 0x3c5,
        .ulcon       = 0x03,
        .ufcon       = 0x51,
    }
};

static struct mtd_partition __initdata vstms_nand_part[] = {
    [0] = {
        .name   = "Boot Agent",
        .size   = 0x7C000,
        .offset = 0,
    },
    [1] = {
        .name   = "UBoot Config",
        .offset = 0x7C000,
        .size   = 0x4000,
    },
    [2] = {
        .name   = "Kernel",
        .offset = 0x80000,
        .size   = 0x200000,
    },
    [3] = {
        .name   = "RFS",
        .offset = 0x280000,
        .size   = 0x3d80000,
    },
};

static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
    [0] = {
        .name       = "NAND",
        .nr_chips   = 1,
        .nr_partitions  = ARRAY_SIZE(vstms_nand_part),
        .partitions = vstms_nand_part,
    },
};

/* choose a set of timings which should suit most 512Mbit
 * chips and beyond.
*/

static struct s3c2410_platform_nand __initdata vstms_nand_info = {
    .tacls      = 20,
    .twrph0     = 60,
    .twrph1     = 20,
    .nr_sets    = ARRAY_SIZE(vstms_nand_sets),
    .sets       = vstms_nand_sets,
};

static struct platform_device *vstms_devices[] __initdata = {
    &s3c_device_ohci,
    &s3c_device_wdt,
    &s3c_device_i2c0,
    &s3c_device_iis,
    &s3c_device_rtc,
    &s3c_device_nand,
};

static void __init vstms_fixup(struct tag *tags, char **cmdline,
                   struct meminfo *mi)
{
    if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
        mi->nr_banks=1;
        mi->bank[0].start = 0x30000000;
        mi->bank[0].size = SZ_64M;
    }
}

static void __init vstms_map_io(void)
{
    s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
    s3c24xx_init_clocks(12000000);
    s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
}

static void __init vstms_init(void)
{
    s3c_i2c0_set_platdata(NULL);
    s3c_nand_set_platdata(&vstms_nand_info);

    platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
}

MACHINE_START(VSTMS, "VSTMS")
    .atag_offset    = 0x100,

    .fixup      = vstms_fixup,
    .init_irq   = s3c24xx_init_irq,
    .init_machine   = vstms_init,
    .map_io     = vstms_map_io,
    .timer      = &s3c24xx_timer,
    .restart    = s3c2412_restart,
MACHINE_END