board-ecbat91.c

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/*
 * 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/gpio.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/cpu.h>
#include <mach/at91_aic.h>

#include "generic.h"


static void __init ecb_at91init_early(void)
{
    /* Set cpu type: PQFP */
    at91rm9200_set_type(ARCH_REVISON_9200_PQFP);

    /* Initialize processor: 18.432 MHz crystal */
    at91_initialize(18432000);
}

static struct macb_platform_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,
    .vbus_pin   = {-EINVAL, -EINVAL},
    .overcurrent_pin= {-EINVAL, -EINVAL},
};

static struct mci_platform_data __initdata ecbat91_mci0_data = {
    .slot[0] = {
        .bus_width  = 4,
        .detect_pin = -EINVAL,
        .wp_pin     = -EINVAL,
    },
};


#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 accessible spi - cs1 (250KHz) */
        .modalias   = "spi-cs1",
        .chip_select    = 1,
        .max_speed_hz   = 250 * 1000,
    },
    {   /* User accessible spi - cs2 (1MHz) */
        .modalias   = "spi-cs2",
        .chip_select    = 2,
        .max_speed_hz   = 1 * 1000 * 1000,
    },
    {   /* User accessible spi - cs3 (10MHz) */
        .modalias   = "spi-cs3",
        .chip_select    = 3,
        .max_speed_hz   = 10 * 1000 * 1000,
    },
};

/*
 * LEDs
 */
static struct gpio_led ecb_leds[] = {
    {   /* D1 */
        .name           = "led1",
        .gpio           = AT91_PIN_PC7,
        .active_low     = 1,
        .default_trigger    = "heartbeat",
    }
};

static void __init ecb_at91board_init(void)
{
    /* Serial */
    /* 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);
    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_mci(0, &ecbat91_mci0_data);

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

    /* LEDs */
    at91_gpio_leds(ecb_leds, ARRAY_SIZE(ecb_leds));
}

MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
    /* Maintainer: emQbit.com */
    .timer      = &at91rm9200_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = ecb_at91init_early,
    .init_irq   = at91_init_irq_default,
    .init_machine   = ecb_at91board_init,
MACHINE_END