blob: fc11241688740df0077c036f1cc4f46574d3ff74 [file] [log] [blame]
Imre Kaloz46918bd2007-06-02 15:44:08 +01001/*
2 * arch/arch/mach-ixp4xx/gateway7001-pci.c
3 *
4 * PCI setup routines for Gateway 7001
5 *
6 * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
7 *
8 * based on coyote-pci.c:
9 * Copyright (C) 2002 Jungo Software Technologies.
10 * Copyright (C) 2003 MontaVista Softwrae, Inc.
11 *
12 * Maintainer: Imre Kaloz <kaloz@openwrt.org>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 *
18 */
19
20#include <linux/kernel.h>
21#include <linux/pci.h>
22#include <linux/init.h>
23#include <linux/irq.h>
24
25#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010026#include <mach/hardware.h>
Imre Kaloz46918bd2007-06-02 15:44:08 +010027
28#include <asm/mach/pci.h>
29
30void __init gateway7001_pci_preinit(void)
31{
Thomas Gleixner6845664a2011-03-24 13:25:22 +010032 irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
33 irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
Imre Kaloz46918bd2007-06-02 15:44:08 +010034
35 ixp4xx_pci_preinit();
36}
37
38static int __init gateway7001_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
39{
40 if (slot == 1)
41 return IRQ_IXP4XX_GPIO11;
42 else if (slot == 2)
43 return IRQ_IXP4XX_GPIO10;
44 else return -1;
45}
46
47struct hw_pci gateway7001_pci __initdata = {
48 .nr_controllers = 1,
49 .preinit = gateway7001_pci_preinit,
50 .swizzle = pci_std_swizzle,
51 .setup = ixp4xx_setup,
52 .scan = ixp4xx_scan_bus,
53 .map_irq = gateway7001_map_irq,
54};
55
56int __init gateway7001_pci_init(void)
57{
58 if (machine_is_gateway7001())
59 pci_common_init(&gateway7001_pci);
60 return 0;
61}
62
63subsys_initcall(gateway7001_pci_init);