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board-csb337.c

/*
 * linux/arch/arm/mach-at91/board-csb337.c
 *
 *  Copyright (C) 2005 SAN People
 *
 * 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 <asm/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 <asm/arch/board.h>
#include <asm/arch/gpio.h>

#include "generic.h"


/*
 * Serial port configuration.
 *    0 .. 3 = USART0 .. USART3
 *    4      = DBGU
 */
static struct at91_uart_config __initdata csb337_uart_config = {
      .console_tty      = 0,                    /* ttyS0 */
      .nr_tty           = 2,
      .tty_map    = { 4, 1, -1, -1, -1 }        /* ttyS0, ..., ttyS4 */
};

static void __init csb337_map_io(void)
{
      /* Initialize processor: 3.6864 MHz crystal */
      at91rm9200_initialize(3686400, AT91RM9200_BGA);

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

      /* Setup the serial ports and console */
      at91_init_serial(&csb337_uart_config);
}

static void __init csb337_init_irq(void)
{
      at91rm9200_init_interrupts(NULL);
}

static struct at91_eth_data __initdata csb337_eth_data = {
      .phy_irq_pin      = AT91_PIN_PC2,
      .is_rmii    = 0,
};

static struct at91_usbh_data __initdata csb337_usbh_data = {
      .ports            = 2,
};

static struct at91_udc_data __initdata csb337_udc_data = {
      // this has no VBUS sensing pin
      .pullup_pin = AT91_PIN_PA24,
};

static struct i2c_board_info __initdata csb337_i2c_devices[] = {
      {
            I2C_BOARD_INFO("rtc-ds1307", 0x68),
            .type = "ds1307",
      },
};

static struct at91_cf_data __initdata csb337_cf_data = {
      /*
       * connector P4 on the CSB 337 mates to
       * connector P8 on the CSB 300CF
       */

      /* CSB337 specific */
      .det_pin    = AT91_PIN_PC3,

      /* CSB300CF specific */
      .irq_pin    = AT91_PIN_PA19,
      .vcc_pin    = AT91_PIN_PD0,
      .rst_pin    = AT91_PIN_PD2,
};

static struct at91_mmc_data __initdata csb337_mmc_data = {
      .det_pin    = AT91_PIN_PD5,
      .slot_b           = 0,
      .wire4            = 1,
      .wp_pin           = AT91_PIN_PD6,
};

static struct spi_board_info csb337_spi_devices[] = {
      {     /* CAN controller */
            .modalias   = "sak82c900",
            .chip_select      = 0,
            .max_speed_hz     = 6 * 1000 * 1000,
      },
};

#define CSB_FLASH_BASE  AT91_CHIPSELECT_0
#define CSB_FLASH_SIZE  0x800000

static struct mtd_partition csb_flash_partitions[] = {
      {
            .name       = "uMON flash",
            .offset           = 0,
            .size       = MTDPART_SIZ_FULL,
            .mask_flags = MTD_WRITEABLE,  /* read only */
      }
};

static struct physmap_flash_data csb_flash_data = {
      .width            = 2,
      .parts            = csb_flash_partitions,
      .nr_parts   = ARRAY_SIZE(csb_flash_partitions),
};

static struct resource csb_flash_resources[] = {
      {
            .start      = CSB_FLASH_BASE,
            .end  = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
            .flags      = IORESOURCE_MEM,
      }
};

static struct platform_device csb_flash = {
      .name       = "physmap-flash",
      .id         = 0,
      .dev        = {
                        .platform_data = &csb_flash_data,
                  },
      .resource   = csb_flash_resources,
      .num_resources    = ARRAY_SIZE(csb_flash_resources),
};

static void __init csb337_board_init(void)
{
      /* Serial */
      at91_add_device_serial();
      /* Ethernet */
      at91_add_device_eth(&csb337_eth_data);
      /* USB Host */
      at91_add_device_usbh(&csb337_usbh_data);
      /* USB Device */
      at91_add_device_udc(&csb337_udc_data);
      /* I2C */
      at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
      /* Compact Flash */
      at91_set_gpio_input(AT91_PIN_PB22, 1);          /* IOIS16 */
      at91_add_device_cf(&csb337_cf_data);
      /* SPI */
      at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
      /* MMC */
      at91_add_device_mmc(0, &csb337_mmc_data);
      /* NOR flash */
      platform_device_register(&csb_flash);
}

MACHINE_START(CSB337, "Cogent CSB337")
      /* Maintainer: Bill Gatliff */
      .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           = csb337_map_io,
      .init_irq   = csb337_init_irq,
      .init_machine     = csb337_board_init,
MACHINE_END

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