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board-ecbat91.c

/*
 * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
 * Copyright (C) 2007 emQbit.com.
 *
 * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
 *
 * 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/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>

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

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

#include <mach/board.h>
#include <mach/gpio.h>

#include "generic.h"


static void __init ecb_at91map_io(void)
{
      /* Initialize processor: 18.432 MHz crystal */
      at91rm9200_initialize(18432000, AT91RM9200_PQFP);

      /* Setup the LEDs */
      at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);

      /* DBGU on ttyS0. (Rx & Tx only) */
      at91_register_uart(0, 0, 0);

      /* USART0 on ttyS1. (Rx & Tx only) */
      at91_register_uart(AT91RM9200_ID_US0, 1, 0);

      /* set serial console to ttyS0 (ie, DBGU) */
      at91_set_serial_console(0);
}

static void __init ecb_at91init_irq(void)
{
      at91rm9200_init_interrupts(NULL);
}

static struct at91_eth_data __initdata ecb_at91eth_data = {
      .phy_irq_pin      = AT91_PIN_PC4,
      .is_rmii    = 0,
};

static struct at91_usbh_data __initdata ecb_at91usbh_data = {
      .ports            = 1,
};

static struct at91_mmc_data __initdata ecb_at91mmc_data = {
      .slot_b           = 0,
      .wire4            = 1,
};


#if defined(CONFIG_MTD_DATAFLASH)
static struct mtd_partition __initdata my_flash0_partitions[] =
{
      {     /* 0x8400 */
            .name = "Darrell-loader",
            .offset     = 0,
            .size = 12* 1056,
      },
      {
            .name = "U-boot",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = 110 * 1056,
      },
      {     /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
            .name = "UBoot-env",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = 8 * 1056,
      },
      {     /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
            .name = "Kernel",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = 1534 * 1056,
      },
      {     /* 190200 - jffs2 root filesystem */
            .name = "Filesystem",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = MTDPART_SIZ_FULL,     /* 26 sectors */
      }
};

static struct flash_platform_data __initdata my_flash0_platform = {
      .name       = "Removable flash card",
      .parts            = my_flash0_partitions,
      .nr_parts   = ARRAY_SIZE(my_flash0_partitions)
};

#endif

static struct spi_board_info __initdata ecb_at91spi_devices[] = {
      {     /* DataFlash chip */
            .modalias   = "mtd_dataflash",
            .chip_select      = 0,
            .max_speed_hz     = 10 * 1000 * 1000,
            .bus_num    = 0,
#if defined(CONFIG_MTD_DATAFLASH)
            .platform_data    = &my_flash0_platform,
#endif
      },
      {     /* User accessable spi - cs1 (250KHz) */
            .modalias   = "spi-cs1",
            .chip_select      = 1,
            .max_speed_hz     = 250 * 1000,
      },
      {     /* User accessable spi - cs2 (1MHz) */
            .modalias   = "spi-cs2",
            .chip_select      = 2,
            .max_speed_hz     = 1 * 1000 * 1000,
      },
      {     /* User accessable spi - cs3 (10MHz) */
            .modalias   = "spi-cs3",
            .chip_select      = 3,
            .max_speed_hz     = 10 * 1000 * 1000,
      },
};

static void __init ecb_at91board_init(void)
{
      /* Serial */
      at91_add_device_serial();

      /* Ethernet */
      at91_add_device_eth(&ecb_at91eth_data);

      /* USB Host */
      at91_add_device_usbh(&ecb_at91usbh_data);

      /* I2C */
      at91_add_device_i2c(NULL, 0);

      /* MMC */
      at91_add_device_mmc(0, &ecb_at91mmc_data);

      /* SPI */
      at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
}

MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
      /* Maintainer: emQbit.com */
      .phys_io    = AT91_BASE_SYS,
      .io_pg_offst      = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
      .boot_params      = AT91_SDRAM_BASE + 0x100,
      .timer            = &at91rm9200_timer,
      .map_io           = ecb_at91map_io,
      .init_irq   = ecb_at91init_irq,
      .init_machine     = ecb_at91board_init,
MACHINE_END

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