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board-eco920.c

/*
 * 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/at91rm9200_mc.h>
#include "generic.h"

static void __init eco920_map_io(void)
{
      at91rm9200_initialize(18432000, AT91RM9200_PQFP);

      /* Setup the LEDs */
      at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);

      /* DBGU on ttyS0. (Rx & Tx only */
      at91_register_uart(0, 0, 0);

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

static void __init eco920_init_irq(void)
{
      at91rm9200_init_interrupts(NULL);
}

static struct at91_eth_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,
};

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

static struct at91_mmc_data __initdata eco920_mmc_data = {
      .slot_b           = 0,
      .wire4            = 0,
};

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 resource at91_beeper_resources[] = {
      [0] = {
            .start          = AT91RM9200_BASE_TC3,
            .end            = AT91RM9200_BASE_TC3 + 0x39,
            .flags          = IORESOURCE_MEM,
      },
};

static struct platform_device at91_beeper = {
      .name           = "at91_beeper",
      .id             = 0,
      .resource       = at91_beeper_resources,
      .num_resources  = ARRAY_SIZE(at91_beeper_resources),
};

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

static void __init eco920_board_init(void)
{
      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_mmc(0, &eco920_mmc_data);
      platform_device_register(&eco920_flash);

      at91_sys_write(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_sys_write(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_clock_associate("tc3_clk", &at91_beeper.dev, "at91_beeper");
      at91_set_B_periph(AT91_PIN_PB6, 0);
      platform_device_register(&at91_beeper);

      at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
}

MACHINE_START(ECO920, "eco920")
      /* Maintainer: Sascha Hauer */
      .boot_params      = AT91_SDRAM_BASE + 0x100,
      .timer            = &at91rm9200_timer,
      .map_io           = eco920_map_io,
      .init_irq   = eco920_init_irq,
      .init_machine     = eco920_board_init,
MACHINE_END

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