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gateway7001-pci.c

/*
 * arch/arch/mach-ixp4xx/gateway7001-pci.c
 *
 * PCI setup routines for Gateway 7001
 *
 * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
 *
 * based on coyote-pci.c:
 *    Copyright (C) 2002 Jungo Software Technologies.
 *    Copyright (C) 2003 MontaVista Softwrae, Inc.
 *
 * Maintainer: Imre Kaloz <kaloz@openwrt.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>

#include <asm/mach-types.h>
#include <asm/hardware.h>

#include <asm/mach/pci.h>

void __init gateway7001_pci_preinit(void)
{
      set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
      set_irq_type(IRQ_IXP4XX_GPIO11, IRQT_LOW);

      ixp4xx_pci_preinit();
}

static int __init gateway7001_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
      if (slot == 1)
            return IRQ_IXP4XX_GPIO11;
      else if (slot == 2)
            return IRQ_IXP4XX_GPIO10;
      else return -1;
}

struct hw_pci gateway7001_pci __initdata = {
      .nr_controllers = 1,
      .preinit =        gateway7001_pci_preinit,
      .swizzle =        pci_std_swizzle,
      .setup =          ixp4xx_setup,
      .scan =           ixp4xx_scan_bus,
      .map_irq =        gateway7001_map_irq,
};

int __init gateway7001_pci_init(void)
{
      if (machine_is_gateway7001())
            pci_common_init(&gateway7001_pci);
      return 0;
}

subsys_initcall(gateway7001_pci_init);

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