blob: e64f6d04148866fe321ee5e9c91c29baa07a6495 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Uwe Zeisbergerf30c2262006-10-03 23:01:26 +02002 * arch/arm/mach-ixp4xx/ixdpg425-pci.c
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * PCI setup routines for Intel IXDPG425 Platform
5 *
6 * Copyright (C) 2004 MontaVista Softwrae, Inc.
7 *
8 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 */
15
16#include <linux/kernel.h>
17#include <linux/pci.h>
18#include <linux/init.h>
Thomas Gleixner698dfe22006-07-01 23:01:49 +010019#include <linux/irq.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020
21#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010022#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
24#include <asm/mach/pci.h>
25
Linus Torvalds1da177e2005-04-16 15:20:36 -070026void __init ixdpg425_pci_preinit(void)
27{
Thomas Gleixner6845664a2011-03-24 13:25:22 +010028 irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
29 irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW);
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 ixp4xx_pci_preinit();
32}
33
34static int __init ixdpg425_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
35{
36 if (slot == 12 || slot == 13)
37 return IRQ_IXP4XX_GPIO7;
38 else if (slot == 14)
39 return IRQ_IXP4XX_GPIO6;
40 else return -1;
41}
42
43struct hw_pci ixdpg425_pci __initdata = {
44 .nr_controllers = 1,
45 .preinit = ixdpg425_pci_preinit,
46 .swizzle = pci_std_swizzle,
47 .setup = ixp4xx_setup,
48 .scan = ixp4xx_scan_bus,
49 .map_irq = ixdpg425_map_irq,
50};
51
52int __init ixdpg425_pci_init(void)
53{
54 if (machine_is_ixdpg425())
55 pci_common_init(&ixdpg425_pci);
56 return 0;
57}
58
59subsys_initcall(ixdpg425_pci_init);