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espresso.c

/*
 * arch/arm/mach-ixp23xx/espresso.c
 *
 * Double Espresso-specific routines
 *
 * Author: Lennert Buytenhek <buytenh@wantstofly.org>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/bitops.h>
#include <linux/ioport.h>
#include <linux/serial_8250.h>
#include <linux/serial_core.h>
#include <linux/device.h>
#include <linux/mm.h>
#include <linux/pci.h>
#include <linux/mtd/physmap.h>

#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/system.h>
#include <asm/tlbflush.h>
#include <asm/pgtable.h>

#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>

static int __init espresso_pci_init(void)
{
      if (machine_is_espresso())
            ixp23xx_pci_slave_init();

      return 0;
};
subsys_initcall(espresso_pci_init);

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

static struct resource espresso_flash_resource = {
      .start            = 0x90000000,
      .end        = 0x91ffffff,
      .flags            = IORESOURCE_MEM,
};

static struct platform_device espresso_flash = {
      .name       = "physmap-flash",
      .id         = 0,
      .dev        = {
            .platform_data    = &espresso_flash_data,
      },
      .num_resources    = 1,
      .resource   = &espresso_flash_resource,
};

static void __init espresso_init(void)
{
      platform_device_register(&espresso_flash);

      /*
       * Mark flash as writeable.
       */
      IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
      IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;

      ixp23xx_sys_init();
}

MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
      /* Maintainer: Lennert Buytenhek */
      .map_io           = ixp23xx_map_io,
      .init_irq   = ixp23xx_init_irq,
      .timer            = &ixp23xx_timer,
      .boot_params      = 0x00000100,
      .init_machine     = espresso_init,
MACHINE_END

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