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board-picotux200.c

/*
 * linux/arch/arm/mach-at91/board-picotux200.c
 *
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2007 Kleinhenz Elektronik GmbH
 *
 * 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/mtd/physmap.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 <mach/at91rm9200_mc.h>

#include "generic.h"


/*
 * Serial port configuration.
 *    0 .. 3 = USART0 .. USART3
 *    4      = DBGU
 */
static struct at91_uart_config __initdata picotux200_uart_config = {
      .console_tty      = 0,                    /* ttyS0 */
      .nr_tty           = 2,
      .tty_map    = { 4, 1, -1, -1, -1 }        /* ttyS0, ..., ttyS4 */
};

static void __init picotux200_map_io(void)
{
      /* Initialize processor: 18.432 MHz crystal */
      at91rm9200_initialize(18432000, AT91RM9200_BGA);

      /* Setup the serial ports and console */
      at91_init_serial(&picotux200_uart_config);
}

static void __init picotux200_init_irq(void)
{
      at91rm9200_init_interrupts(NULL);
}

static struct at91_eth_data __initdata picotux200_eth_data = {
      .phy_irq_pin      = AT91_PIN_PC4,
      .is_rmii    = 1,
};

static struct at91_usbh_data __initdata picotux200_usbh_data = {
      .ports            = 1,
};

// static struct at91_udc_data __initdata picotux200_udc_data = {
//    .vbus_pin   = AT91_PIN_PD4,
//    .pullup_pin = AT91_PIN_PD5,
// };

static struct at91_mmc_data __initdata picotux200_mmc_data = {
      .det_pin    = AT91_PIN_PB27,
      .slot_b           = 0,
      .wire4            = 1,
      .wp_pin           = AT91_PIN_PA17,
};

// static struct spi_board_info picotux200_spi_devices[] = {
//    {     /* DataFlash chip */
//          .modalias   = "mtd_dataflash",
//          .chip_select      = 0,
//          .max_speed_hz     = 15 * 1000 * 1000,
//    },
// #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
//    {     /* DataFlash card */
//          .modalias   = "mtd_dataflash",
//          .chip_select      = 3,
//          .max_speed_hz     = 15 * 1000 * 1000,
//    },
// #endif
// };

#define PICOTUX200_FLASH_BASE AT91_CHIPSELECT_0
#define PICOTUX200_FLASH_SIZE 0x400000

static struct physmap_flash_data picotux200_flash_data = {
      .width      = 2,
};

static struct resource picotux200_flash_resource = {
      .start            = PICOTUX200_FLASH_BASE,
      .end        = PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
      .flags            = IORESOURCE_MEM,
};

static struct platform_device picotux200_flash = {
      .name       = "physmap-flash",
      .id         = 0,
      .dev        = {
                        .platform_data    = &picotux200_flash_data,
                  },
      .resource   = &picotux200_flash_resource,
      .num_resources    = 1,
};

static void __init picotux200_board_init(void)
{
      /* Serial */
      at91_add_device_serial();
      /* Ethernet */
      at91_add_device_eth(&picotux200_eth_data);
      /* USB Host */
      at91_add_device_usbh(&picotux200_usbh_data);
      /* USB Device */
      // at91_add_device_udc(&picotux200_udc_data);
      // at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
      /* I2C */
      at91_add_device_i2c(NULL, 0);
      /* SPI */
      // at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
      /* DataFlash card */
      at91_set_gpio_output(AT91_PIN_PB22, 0);
#else
      /* MMC */
      at91_set_gpio_output(AT91_PIN_PB22, 1);   /* this MMC card slot can optionally use SPI signaling (CS3). */
      at91_add_device_mmc(0, &picotux200_mmc_data);
#endif
      /* NOR Flash */
      platform_device_register(&picotux200_flash);
}

MACHINE_START(PICOTUX2XX, "picotux 200")
      /* Maintainer: Kleinhenz Elektronik GmbH */
      .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           = picotux200_map_io,
      .init_irq   = picotux200_init_irq,
      .init_machine     = picotux200_board_init,
MACHINE_END

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