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mach-smdk2416.c

/* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
 *
 * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
 *    as part of OpenInkpot project
 * Copyright (c) 2009 Promwad Innovation Company
 *    Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
 *
 * 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/partitions.h>
#include <linux/gpio.h>
#include <linux/fb.h>

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

#include <mach/hardware.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/leds-gpio.h>
#include <plat/iic.h>

#include <plat/s3c2416.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/nand.h>
#include <plat/sdhci.h>

#include <plat/regs-fb-v4.h>
#include <plat/fb.h>

#include <plat/common-smdk.h>

static struct map_desc smdk2416_iodesc[] __initdata = {
      /* ISA IO Space map (memory space selected by A24) */

      {
            .virtual    = (u32)S3C24XX_VA_ISA_WORD,
            .pfn        = __phys_to_pfn(S3C2410_CS2),
            .length           = 0x10000,
            .type       = MT_DEVICE,
      }, {
            .virtual    = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
            .pfn        = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
            .length           = SZ_4M,
            .type       = MT_DEVICE,
      }, {
            .virtual    = (u32)S3C24XX_VA_ISA_BYTE,
            .pfn        = __phys_to_pfn(S3C2410_CS2),
            .length           = 0x10000,
            .type       = MT_DEVICE,
      }, {
            .virtual    = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
            .pfn        = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
            .length           = SZ_4M,
            .type       = MT_DEVICE,
      }
};

#define UCON (S3C2410_UCON_DEFAULT  | \
            S3C2440_UCON_PCLK | \
            S3C2443_UCON_RXERR_IRQEN)

#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)

#define UFCON (S3C2410_UFCON_RXTRIG8      | \
            S3C2410_UFCON_FIFOMODE  | \
            S3C2440_UFCON_TXTRIG16)

static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
      [0] = {
            .hwport          = 0,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON,
            .ufcon           = UFCON,
      },
      [1] = {
            .hwport          = 1,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON,
            .ufcon           = UFCON,
      },
      /* IR port */
      [2] = {
            .hwport          = 2,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON | 0x50,
            .ufcon           = UFCON,
      },
      [3] = {
            .hwport          = 3,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON,
            .ufcon           = UFCON,
      }
};

struct s3c_fb_pd_win smdk2416_fb_win[] = {
      [0] = {
            /* think this is the same as the smdk6410 */
            .win_mode   = {
                  .pixclock   = 41094,
                  .left_margin      = 8,
                  .right_margin     = 13,
                  .upper_margin     = 7,
                  .lower_margin     = 5,
                  .hsync_len  = 3,
                  .vsync_len  = 1,
                  .xres           = 800,
                  .yres           = 480,
            },
            .default_bpp      = 16,
            .max_bpp    = 32,
      },
};

static void s3c2416_fb_gpio_setup_24bpp(void)
{
      unsigned int gpio;

      for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
            s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
            s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
      }

      for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
            s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
            s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
      }

      for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
            s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
            s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
      }
}

static struct s3c_fb_platdata smdk2416_fb_platdata = {
      .win[0]           = &smdk2416_fb_win[0],
      .setup_gpio = s3c2416_fb_gpio_setup_24bpp,
      .vidcon0    = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
      .vidcon1    = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};

static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
      .max_width        = 4,
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .ext_cd_gpio            = S3C2410_GPF(1),
      .ext_cd_gpio_invert     = 1,
};

static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
      .max_width        = 4,
      .cd_type          = S3C_SDHCI_CD_NONE,
};

static struct platform_device *smdk2416_devices[] __initdata = {
      &s3c_device_fb,
      &s3c_device_wdt,
      &s3c_device_ohci,
      &s3c_device_i2c0,
      &s3c_device_hsmmc0,
      &s3c_device_hsmmc1,
};

static void __init smdk2416_map_io(void)
{
      s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
      s3c24xx_init_clocks(12000000);
      s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
}

static void __init smdk2416_machine_init(void)
{
      s3c_i2c0_set_platdata(NULL);
      s3c_fb_set_platdata(&smdk2416_fb_platdata);

      s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
      s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);

      gpio_request(S3C2410_GPB(4), "USBHost Power");
      gpio_direction_output(S3C2410_GPB(4), 1);

      gpio_request(S3C2410_GPB(3), "Display Power");
      gpio_direction_output(S3C2410_GPB(3), 1);

      gpio_request(S3C2410_GPB(1), "Display Reset");
      gpio_direction_output(S3C2410_GPB(1), 1);

      platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
      smdk_machine_init();
}

MACHINE_START(SMDK2416, "SMDK2416")
      /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
      .boot_params      = S3C2410_SDRAM_PA + 0x100,

      .init_irq   = s3c24xx_init_irq,
      .map_io           = smdk2416_map_io,
      .init_machine     = smdk2416_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

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