board-rm9200ek.c

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/*
 * linux/arch/arm/mach-at91/board-rm9200ek.c
 *
 *  Copyright (C) 2005 SAN People
 *
 *  Epson S1D framebuffer glue code is:
 *     Copyright (C) 2005 Thibaut VARENE <[email protected]>
 *
 * 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 <linux/spi/spi.h>
#include <linux/mtd/physmap.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 <mach/at91rm9200_mc.h>
#include <mach/at91_ramc.h>

#include "generic.h"


static void __init ek_init_early(void)
{
    /* Initialize processor: 18.432 MHz crystal */
    at91_initialize(18432000);
}

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

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

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

#ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
static struct mci_platform_data __initdata ek_mci0_data = {
    .slot[0] = {
        .bus_width  = 4,
        .detect_pin = AT91_PIN_PB27,
        .wp_pin     = AT91_PIN_PA17,
    }
};
#endif

static struct spi_board_info ek_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
};

static struct i2c_board_info __initdata ek_i2c_devices[] = {
    {
        I2C_BOARD_INFO("ics1523", 0x26),
    },
    {
        I2C_BOARD_INFO("dac3550", 0x4d),
    }
};

#define EK_FLASH_BASE   AT91_CHIPSELECT_0
#define EK_FLASH_SIZE   SZ_8M

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

static struct resource ek_flash_resource = {
    .start      = EK_FLASH_BASE,
    .end        = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
    .flags      = IORESOURCE_MEM,
};

static struct platform_device ek_flash = {
    .name       = "physmap-flash",
    .id     = 0,
    .dev        = {
                .platform_data  = &ek_flash_data,
            },
    .resource   = &ek_flash_resource,
    .num_resources  = 1,
};

static struct gpio_led ek_leds[] = {
    {   /* "user led 1", DS2 */
        .name           = "green",
        .gpio           = AT91_PIN_PB0,
        .active_low     = 1,
        .default_trigger    = "mmc0",
    },
    {   /* "user led 2", DS4 */
        .name           = "yellow",
        .gpio           = AT91_PIN_PB1,
        .active_low     = 1,
        .default_trigger    = "heartbeat",
    },
    {   /* "user led 3", DS6 */
        .name           = "red",
        .gpio           = AT91_PIN_PB2,
        .active_low     = 1,
    }
};

static void __init ek_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(&ek_eth_data);
    /* USB Host */
    at91_add_device_usbh(&ek_usbh_data);
    /* USB Device */
    at91_add_device_udc(&ek_udc_data);
    at91_set_multi_drive(ek_udc_data.pullup_pin, 1);    /* pullup_pin is connected to reset */
    /* I2C */
    at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
    /* SPI */
    at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_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_mci(0, &ek_mci0_data);
#endif
    /* NOR Flash */
    platform_device_register(&ek_flash);
    /* LEDs */
    at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
    /* VGA */
//  ek_add_device_video();
}

MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
    /* Maintainer: SAN People/Atmel */
    .timer      = &at91rm9200_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = ek_init_early,
    .init_irq   = at91_init_irq_default,
    .init_machine   = ek_board_init,
MACHINE_END