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mach-vstms.c

/* linux/arch/arm/mach-s3c2412/mach-vstms.c
 *
 * (C) 2006 Thomas Gleixner <tglx@linutronix.de>
 *
 * 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 <asm/plat-s3c/nand.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 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 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 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_usb,
      &s3c_device_wdt,
      &s3c_device_i2c,
      &s3c_device_iis,
      &s3c_device_rtc,
      &s3c_device_nand,
};

static void __init vstms_fixup(struct machine_desc *desc,
                          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;
            mi->bank[0].node = 0;
      }
}

static void __init vstms_map_io(void)
{
      s3c_device_nand.dev.platform_data = &vstms_nand_info;

      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)
{
      platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
}

MACHINE_START(VSTMS, "VSTMS")
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,

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

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