board-eco920.c

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/*
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>

#include <asm/mach-types.h>

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

#include <mach/board.h>
#include <mach/at91_aic.h>
#include <mach/at91rm9200_mc.h>
#include <mach/at91_ramc.h>
#include <mach/cpu.h>

#include "generic.h"

static void __init eco920_init_early(void)
{
    /* Set cpu type: PQFP */
    at91rm9200_set_type(ARCH_REVISON_9200_PQFP);

    at91_initialize(18432000);
}

static struct macb_platform_data __initdata eco920_eth_data = {
    .phy_irq_pin    = AT91_PIN_PC2,
    .is_rmii    = 1,
};

static struct at91_usbh_data __initdata eco920_usbh_data = {
    .ports      = 1,
    .vbus_pin   = {-EINVAL, -EINVAL},
    .overcurrent_pin= {-EINVAL, -EINVAL},
};

static struct at91_udc_data __initdata eco920_udc_data = {
    .vbus_pin   = AT91_PIN_PB12,
    .pullup_pin = AT91_PIN_PB13,
};

static struct mci_platform_data __initdata eco920_mci0_data = {
    .slot[0] = {
        .bus_width  = 1,
        .detect_pin = -EINVAL,
        .wp_pin     = -EINVAL,
    },
};

static struct physmap_flash_data eco920_flash_data = {
    .width  = 2,
};

static struct resource eco920_flash_resource = {
    .start          = 0x11000000,
    .end            = 0x11ffffff,
    .flags          = IORESOURCE_MEM,
};

static struct platform_device eco920_flash = {
    .name           = "physmap-flash",
    .id             = 0,
    .dev            = {
        .platform_data  = &eco920_flash_data,
    },
    .resource       = &eco920_flash_resource,
    .num_resources  = 1,
};

static struct spi_board_info eco920_spi_devices[] = {
    {   /* CAN controller */
        .modalias   = "tlv5638",
        .chip_select    = 3,
        .max_speed_hz   = 20 * 1000 * 1000,
        .mode       = SPI_CPHA,
    },
};

/*
 * LEDs
 */
static struct gpio_led eco920_leds[] = {
    {       /* D1 */
        .name                   = "led1",
        .gpio                   = AT91_PIN_PB0,
        .active_low             = 1,
        .default_trigger        = "heartbeat",
    },
    {       /* D2 */
        .name                   = "led2",
        .gpio                   = AT91_PIN_PB1,
        .active_low             = 1,
        .default_trigger        = "timer",
    }
};

static void __init eco920_board_init(void)
{
    /* DBGU on ttyS0. (Rx & Tx only */
    at91_register_uart(0, 0, 0);
    at91_add_device_serial();
    at91_add_device_eth(&eco920_eth_data);
    at91_add_device_usbh(&eco920_usbh_data);
    at91_add_device_udc(&eco920_udc_data);

    at91_add_device_mci(0, &eco920_mci0_data);
    platform_device_register(&eco920_flash);

    at91_ramc_write(0, AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
                | AT91_SMC_RWSETUP_(1)
                | AT91_SMC_DBW_8
                | AT91_SMC_WSEN
                | AT91_SMC_NWS_(15));

    at91_set_A_periph(AT91_PIN_PC6, 1);

    at91_set_gpio_input(AT91_PIN_PA23, 0);
    at91_set_deglitch(AT91_PIN_PA23, 1);

/* Initialization of the Static Memory Controller for Chip Select 3 */
    at91_ramc_write(0, AT91_SMC_CSR(3),
        AT91_SMC_DBW_16  |  /* 16 bit */
        AT91_SMC_WSEN    |
        AT91_SMC_NWS_(5) |  /* wait states */
        AT91_SMC_TDF_(1)    /* float time */
    );

    at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
    /* LEDs */
    at91_gpio_leds(eco920_leds, ARRAY_SIZE(eco920_leds));
}

MACHINE_START(ECO920, "eco920")
    /* Maintainer: Sascha Hauer */
    .timer      = &at91rm9200_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = eco920_init_early,
    .init_irq   = at91_init_irq_default,
    .init_machine   = eco920_board_init,
MACHINE_END