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mach-smdk2440.c

/* linux/arch/arm/mach-s3c2440/mach-smdk2440.c
 *
 * Copyright (c) 2004,2005 Simtec Electronics
 *    Ben Dooks <ben@simtec.co.uk>
 *
 * http://www.fluff.org/ben/smdk2440/
 *
 * Thanks to Dimity Andric and TomTom for the loan of an 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/serial_core.h>
#include <linux/platform_device.h>

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

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

#include <asm/plat-s3c/regs-serial.h>
#include <asm/arch/regs-gpio.h>
#include <asm/arch/regs-lcd.h>

#include <asm/arch/idle.h>
#include <asm/arch/fb.h>

#include <asm/plat-s3c24xx/s3c2410.h>
#include <asm/plat-s3c24xx/s3c2440.h>
#include <asm/plat-s3c24xx/clock.h>
#include <asm/plat-s3c24xx/devs.h>
#include <asm/plat-s3c24xx/cpu.h>

#include <asm/plat-s3c24xx/common-smdk.h>

static struct map_desc smdk2440_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 | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
      [0] = {
            .hwport          = 0,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x03,
            .ufcon           = 0x51,
      },
      [1] = {
            .hwport          = 1,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x03,
            .ufcon           = 0x51,
      },
      /* IR port */
      [2] = {
            .hwport          = 2,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x43,
            .ufcon           = 0x51,
      }
};

/* LCD driver info */

static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {

      .lcdcon5    = S3C2410_LCDCON5_FRM565 |
                    S3C2410_LCDCON5_INVVLINE |
                    S3C2410_LCDCON5_INVVFRAME |
                    S3C2410_LCDCON5_PWREN |
                    S3C2410_LCDCON5_HWSWP,

      .type       = S3C2410_LCDCON1_TFT,

      .width            = 240,
      .height           = 320,

      .pixclock   = 166667, /* HCLK 60 MHz, divisor 10 */
      .xres       = 240,
      .yres       = 320,
      .bpp        = 16,
      .left_margin      = 20,
      .right_margin     = 8,
      .hsync_len  = 4,
      .upper_margin     = 8,
      .lower_margin     = 7,
      .vsync_len  = 4,
};

static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
      .displays   = &smdk2440_lcd_cfg,
      .num_displays     = 1,
      .default_display = 0,

#if 0
      /* currently setup by downloader */
      .gpccon           = 0xaa940659,
      .gpccon_mask      = 0xffffffff,
      .gpcup            = 0x0000ffff,
      .gpcup_mask = 0xffffffff,
      .gpdcon           = 0xaa84aaa0,
      .gpdcon_mask      = 0xffffffff,
      .gpdup            = 0x0000faff,
      .gpdup_mask = 0xffffffff,
#endif

      .lpcsel           = ((0xCE6) & ~7) | 1<<4,
};

static struct platform_device *smdk2440_devices[] __initdata = {
      &s3c_device_usb,
      &s3c_device_lcd,
      &s3c_device_wdt,
      &s3c_device_i2c,
      &s3c_device_iis,
};

static void __init smdk2440_map_io(void)
{
      s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
      s3c24xx_init_clocks(16934400);
      s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
}

static void __init smdk2440_machine_init(void)
{
      s3c24xx_fb_set_platdata(&smdk2440_fb_info);

      platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
      smdk_machine_init();
}

MACHINE_START(S3C2440, "SMDK2440")
      /* Maintainer: Ben Dooks <ben@fluff.org> */
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,

      .init_irq   = s3c24xx_init_irq,
      .map_io           = smdk2440_map_io,
      .init_machine     = smdk2440_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

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