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board-carmeva.c

/*
 * 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/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.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 carmeva_map_io(void)
{
      /* Initialize processor: 20.000 MHz crystal */
      at91rm9200_initialize(20000000, AT91RM9200_BGA);

      /* 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);

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

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

static struct at91_eth_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,
};

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

/* FIXME: user dependant */
// static struct at91_cf_data __initdata carmeva_cf_data = {
//    .det_pin    = AT91_PIN_PB0,
//    .rst_pin    = AT91_PIN_PC5,
      // .irq_pin = ... not connected
      // .vcc_pin = ... always powered
// };

static struct at91_mmc_data __initdata carmeva_mmc_data = {
      .slot_b           = 0,
      .wire4            = 1,
      .det_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 void __init carmeva_board_init(void)
{
      /* Serial */
      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_mmc(0, &carmeva_mmc_data);
}

MACHINE_START(CARMEVA, "Carmeva")
      /* Maintainer: Conitec Datasystems */
      .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           = carmeva_map_io,
      .init_irq   = carmeva_init_irq,
      .init_machine     = carmeva_board_init,
MACHINE_END

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