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board-cam60.c

/*
 * KwikByte CAM60 (KB9260)
 *
 * based on board-sam9260ek.c
 *   Copyright (C) 2005 SAN People
 *   Copyright (C) 2006 Atmel
 *
 * 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/spi/flash.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 cam60_map_io(void)
{
      /* Initialize processor: 10 MHz crystal */
      at91sam9260_initialize(10000000);

      /* DGBU 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 cam60_init_irq(void)
{
      at91sam9260_init_interrupts(NULL);
}


/*
 * USB Host
 */
static struct at91_usbh_data __initdata cam60_usbh_data = {
      .ports            = 1,
};


/*
 * SPI devices.
 */
#if defined(CONFIG_MTD_DATAFLASH)
static struct mtd_partition __initdata cam60_spi_partitions[] = {
      {
            .name = "BOOT1",
            .offset     = 0,
            .size = 4 * 1056,
      },
      {
            .name = "BOOT2",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = 256 * 1056,
      },
      {
            .name = "kernel",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = 2222 * 1056,
      },
      {
            .name = "file system",
            .offset     = MTDPART_OFS_NXTBLK,
            .size = MTDPART_SIZ_FULL,
      },
};

static struct flash_platform_data __initdata cam60_spi_flash_platform_data = {
      .name       = "spi_flash",
      .parts            = cam60_spi_partitions,
      .nr_parts   = ARRAY_SIZE(cam60_spi_partitions)
};
#endif

static struct spi_board_info cam60_spi_devices[] = {
#if defined(CONFIG_MTD_DATAFLASH)
      {     /* DataFlash chip */
            .modalias   = "mtd_dataflash",
            .chip_select      = 0,
            .max_speed_hz     = 15 * 1000 * 1000,
            .bus_num    = 0,
            .platform_data    = &cam60_spi_flash_platform_data
      },
#endif
};


/*
 * MACB Ethernet device
 */
static struct __initdata at91_eth_data cam60_macb_data = {
      .phy_irq_pin      = AT91_PIN_PB5,
      .is_rmii    = 0,
};


/*
 * NAND Flash
 */
static struct mtd_partition __initdata cam60_nand_partition[] = {
      {
            .name = "nand_fs",
            .offset     = 0,
            .size = MTDPART_SIZ_FULL,
      },
};

static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
{
      *num_partitions = ARRAY_SIZE(cam60_nand_partition);
      return cam60_nand_partition;
}

static struct atmel_nand_data __initdata cam60_nand_data = {
      .ale        = 21,
      .cle        = 22,
      // .det_pin = ... not there
      .rdy_pin    = AT91_PIN_PA9,
      .enable_pin = AT91_PIN_PA7,
      .partition_info   = nand_partitions,
};


static void __init cam60_board_init(void)
{
      /* Serial */
      at91_add_device_serial();
      /* SPI */
      at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
      /* Ethernet */
      at91_add_device_eth(&cam60_macb_data);
      /* USB Host */
      /* enable USB power supply circuit */
      at91_set_gpio_output(AT91_PIN_PB18, 1);
      at91_add_device_usbh(&cam60_usbh_data);
      /* NAND */
      at91_add_device_nand(&cam60_nand_data);
}

MACHINE_START(CAM60, "KwikByte CAM60")
      /* Maintainer: KwikByte */
      .phys_io    = AT91_BASE_SYS,
      .io_pg_offst      = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
      .boot_params      = AT91_SDRAM_BASE + 0x100,
      .timer            = &at91sam926x_timer,
      .map_io           = cam60_map_io,
      .init_irq   = cam60_init_irq,
      .init_machine     = cam60_board_init,
MACHINE_END

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