board-carmeva.c

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/*
 * linux/arch/arm/mach-at91/board-carmeva.c
 *
 *  Copyright (c) 2005 Peer Georgi
 *                 Conitec Datasystems
 *
 * 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 <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/hardware.h>
#include <mach/board.h>
#include <mach/at91_aic.h>

#include "generic.h"


static void __init carmeva_init_early(void)
{
    /* Initialize processor: 20.000 MHz crystal */
    at91_initialize(20000000);
}

static struct macb_platform_data __initdata carmeva_eth_data = {
    .phy_irq_pin    = AT91_PIN_PC4,
    .is_rmii    = 1,
};

static struct at91_usbh_data __initdata carmeva_usbh_data = {
    .ports      = 2,
    .vbus_pin   = {-EINVAL, -EINVAL},
    .overcurrent_pin= {-EINVAL, -EINVAL},
};

static struct at91_udc_data __initdata carmeva_udc_data = {
    .vbus_pin   = AT91_PIN_PD12,
    .pullup_pin = AT91_PIN_PD9,
};

/* FIXME: user dependent */
// static struct at91_cf_data __initdata carmeva_cf_data = {
//  .det_pin    = AT91_PIN_PB0,
//  .rst_pin    = AT91_PIN_PC5,
    // .irq_pin = -EINVAL,
    // .vcc_pin = -EINVAL,
// };

static struct mci_platform_data __initdata carmeva_mci0_data = {
    .slot[0] = {
        .bus_width  = 4,
        .detect_pin = AT91_PIN_PB10,
        .wp_pin     = AT91_PIN_PC14,
    },
};

static struct spi_board_info carmeva_spi_devices[] = {
    { /* DataFlash chip */
        .modalias = "mtd_dataflash",
        .chip_select  = 0,
        .max_speed_hz = 10 * 1000 * 1000,
    },
    { /* 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,
    },
};

static struct gpio_led carmeva_leds[] = {
    { /* "user led 1", LED9 */
        .name           = "led9",
        .gpio           = AT91_PIN_PA21,
        .active_low     = 1,
        .default_trigger    = "heartbeat",
    },
    { /* "user led 2", LED10 */
        .name           = "led10",
        .gpio           = AT91_PIN_PA25,
        .active_low     = 1,
    },
    { /* "user led 3", LED11 */
        .name           = "led11",
        .gpio           = AT91_PIN_PA26,
        .active_low     = 1,
    },
    { /* "user led 4", LED12 */
        .name           = "led12",
        .gpio           = AT91_PIN_PA18,
        .active_low     = 1,
    }
};

static void __init carmeva_board_init(void)
{
    /* Serial */
    /* DBGU on ttyS0. (Rx & Tx only) */
    at91_register_uart(0, 0, 0);

    /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
    at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
               | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
               | ATMEL_UART_RI);
    at91_add_device_serial();
    /* Ethernet */
    at91_add_device_eth(&carmeva_eth_data);
    /* USB Host */
    at91_add_device_usbh(&carmeva_usbh_data);
    /* USB Device */
    at91_add_device_udc(&carmeva_udc_data);
    /* I2C */
    at91_add_device_i2c(NULL, 0);
    /* SPI */
    at91_add_device_spi(carmeva_spi_devices, ARRAY_SIZE(carmeva_spi_devices));
    /* Compact Flash */
//  at91_add_device_cf(&carmeva_cf_data);
    /* MMC */
    at91_add_device_mci(0, &carmeva_mci0_data);
    /* LEDs */
    at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
}

MACHINE_START(CARMEVA, "Carmeva")
    /* Maintainer: Conitec Datasystems */
    .timer      = &at91rm9200_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = carmeva_init_early,
    .init_irq   = at91_init_irq_default,
    .init_machine   = carmeva_board_init,
MACHINE_END