linux-sg2042/arch/arm/mach-ixp4xx/gateway7001-pci.c

66 lines
1.4 KiB
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 <mach/hardware.h>
#include <asm/mach/pci.h>
#include "irqs.h"
void __init gateway7001_pci_preinit(void)
{
irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
ixp4xx_pci_preinit();
}
static int __init gateway7001_map_irq(const 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,
.ops = &ixp4xx_ops,
.preinit = gateway7001_pci_preinit,
.setup = ixp4xx_setup,
.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);