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mach-qt2410.c

/* linux/arch/arm/mach-s3c2410/mach-qt2410.c
 *
 * Copyright (C) 2006 by OpenMoko, Inc.
 * Author: Harald Welte <laforge@openmoko.org>
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 */

#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/sysdev.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.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 <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

#include <asm/arch/regs-gpio.h>
#include <asm/arch/leds-gpio.h>
#include <asm/plat-s3c/regs-serial.h>
#include <asm/arch/fb.h>
#include <asm/plat-s3c/nand.h>
#include <asm/plat-s3c24xx/udc.h>
#include <asm/arch/spi.h>
#include <asm/arch/spi-gpio.h>

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

static struct map_desc qt2410_iodesc[] __initdata = {
      { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
};

#define UCON S3C2410_UCON_DEFAULT
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
      [0] = {
            .hwport          = 0,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON,
            .ufcon           = UFCON,
      },
      [1] = {
            .hwport          = 1,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON,
            .ufcon           = UFCON,
      },
      [2] = {
            .hwport          = 2,
            .flags           = 0,
            .ucon      = UCON,
            .ulcon           = ULCON,
            .ufcon           = UFCON,
      }
};

/* LCD driver info */

static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
      {
            /* Configuration for 640x480 SHARP LQ080V3DG01 */
            .lcdcon5 = S3C2410_LCDCON5_FRM565 |
                     S3C2410_LCDCON5_INVVLINE |
                     S3C2410_LCDCON5_INVVFRAME |
                     S3C2410_LCDCON5_PWREN |
                     S3C2410_LCDCON5_HWSWP,

            .type       = S3C2410_LCDCON1_TFT,
            .width            = 640,
            .height           = 480,

            .pixclock   = 40000, /* HCLK/4 */
            .xres       = 640,
            .yres       = 480,
            .bpp        = 16,
            .left_margin      = 44,
            .right_margin     = 116,
            .hsync_len  = 96,
            .upper_margin     = 19,
            .lower_margin     = 11,
            .vsync_len  = 15,
      },
      {
            /* Configuration for 480x640 toppoly TD028TTEC1 */
            .lcdcon5 = S3C2410_LCDCON5_FRM565 |
                     S3C2410_LCDCON5_INVVLINE |
                     S3C2410_LCDCON5_INVVFRAME |
                     S3C2410_LCDCON5_PWREN |
                     S3C2410_LCDCON5_HWSWP,

            .type       = S3C2410_LCDCON1_TFT,
            .width            = 480,
            .height           = 640,
            .pixclock   = 40000, /* HCLK/4 */
            .xres       = 480,
            .yres       = 640,
            .bpp        = 16,
            .left_margin      = 8,
            .right_margin     = 24,
            .hsync_len  = 8,
            .upper_margin     = 2,
            .lower_margin     = 4,
            .vsync_len  = 2,
      },
      {
            /* Config for 240x320 LCD */
            .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   = 100000, /* HCLK/10 */
            .xres       = 240,
            .yres       = 320,
            .bpp        = 16,
            .left_margin      = 13,
            .right_margin     = 8,
            .hsync_len  = 4,
            .upper_margin     = 2,
            .lower_margin     = 7,
            .vsync_len  = 4,
      },
};


static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
      .displays   = qt2410_lcd_cfg,
      .num_displays     = ARRAY_SIZE(qt2410_lcd_cfg),
      .default_display = 0,

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

/* CS8900 */

static struct resource qt2410_cs89x0_resources[] = {
      [0] = {
            .start      = 0x19000000,
            .end  = 0x19000000 + 16,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = IRQ_EINT9,
            .end  = IRQ_EINT9,
            .flags      = IORESOURCE_IRQ,
      },
};

static struct platform_device qt2410_cs89x0 = {
      .name       = "cirrus-cs89x0",
      .num_resources    = ARRAY_SIZE(qt2410_cs89x0_resources),
      .resource   = qt2410_cs89x0_resources,
};

/* LED */

static struct s3c24xx_led_platdata qt2410_pdata_led = {
      .gpio       = S3C2410_GPB0,
      .flags            = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
      .name       = "led",
      .def_trigger      = "timer",
};

static struct platform_device qt2410_led = {
      .name       = "s3c24xx_led",
      .id         = 0,
      .dev        = {
            .platform_data = &qt2410_pdata_led,
      },
};

/* SPI */

static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
{
      switch (cs) {
      case BITBANG_CS_ACTIVE:
            s3c2410_gpio_setpin(S3C2410_GPB5, 0);
            break;
      case BITBANG_CS_INACTIVE:
            s3c2410_gpio_setpin(S3C2410_GPB5, 1);
            break;
      }
}

static struct s3c2410_spigpio_info spi_gpio_cfg = {
      .pin_clk    = S3C2410_GPG7,
      .pin_mosi   = S3C2410_GPG6,
      .pin_miso   = S3C2410_GPG5,
      .chip_select      = &spi_gpio_cs,
};


static struct platform_device qt2410_spi = {
      .name         = "s3c24xx-spi-gpio",
      .id           = 1,
      .dev = {
            .platform_data = &spi_gpio_cfg,
      },
};

/* Board devices */

static struct platform_device *qt2410_devices[] __initdata = {
      &s3c_device_usb,
      &s3c_device_lcd,
      &s3c_device_wdt,
      &s3c_device_i2c,
      &s3c_device_iis,
      &s3c_device_sdi,
      &s3c_device_usbgadget,
      &qt2410_spi,
      &qt2410_cs89x0,
      &qt2410_led,
};

static struct mtd_partition qt2410_nand_part[] = {
      [0] = {
            .name = "U-Boot",
            .size = 0x30000,
            .offset     = 0,
      },
      [1] = {
            .name = "U-Boot environment",
            .offset = 0x30000,
            .size = 0x4000,
      },
      [2] = {
            .name = "kernel",
            .offset = 0x34000,
            .size = SZ_2M,
      },
      [3] = {
            .name = "initrd",
            .offset     = 0x234000,
            .size = SZ_4M,
      },
      [4] = {
            .name = "jffs2",
            .offset = 0x634000,
            .size = 0x39cc000,
      },
};

static struct s3c2410_nand_set qt2410_nand_sets[] = {
      [0] = {
            .name       = "NAND",
            .nr_chips   = 1,
            .nr_partitions    = ARRAY_SIZE(qt2410_nand_part),
            .partitions = qt2410_nand_part,
      },
};

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

static struct s3c2410_platform_nand qt2410_nand_info = {
      .tacls            = 20,
      .twrph0           = 60,
      .twrph1           = 20,
      .nr_sets    = ARRAY_SIZE(qt2410_nand_sets),
      .sets       = qt2410_nand_sets,
};

/* UDC */

static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
};

static char tft_type = 's';

static int __init qt2410_tft_setup(char *str)
{
      tft_type = str[0];
      return 1;
}

__setup("tft=", qt2410_tft_setup);

static void __init qt2410_map_io(void)
{
      s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
      s3c24xx_init_clocks(12*1000*1000);
      s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
}

static void __init qt2410_machine_init(void)
{
      s3c_device_nand.dev.platform_data = &qt2410_nand_info;

      switch (tft_type) {
      case 'p': /* production */
            qt2410_fb_info.default_display = 1;
            break;
      case 'b': /* big */
            qt2410_fb_info.default_display = 0;
            break;
      case 's': /* small */
      default:
            qt2410_fb_info.default_display = 2;
            break;
      }
      s3c24xx_fb_set_platdata(&qt2410_fb_info);

      s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
      s3c2410_gpio_setpin(S3C2410_GPB0, 1);

      s3c24xx_udc_set_platdata(&qt2410_udc_cfg);

      s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);

      platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
      s3c2410_pm_init();
}

MACHINE_START(QT2410, "QT2410")
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,
      .map_io           = qt2410_map_io,
      .init_irq   = s3c24xx_init_irq,
      .init_machine     = qt2410_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END



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