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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Uwe Zeisbergerf30c2262006-10-03 23:01:26 +02002 * arch/arm/mach-ixp4xx/coyote-pci.c
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * PCI setup routines for ADI Engineering Coyote platform
5 *
6 * Copyright (C) 2002 Jungo Software Technologies.
7 * Copyright (C) 2003 MontaVista Softwrae, Inc.
8 *
9 * Maintainer: Deepak Saxena <dsaxena@mvista.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 *
15 */
16
17#include <linux/kernel.h>
18#include <linux/pci.h>
19#include <linux/init.h>
Thomas Gleixner698dfe22006-07-01 23:01:49 +010020#include <linux/irq.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070021
22#include <asm/mach-types.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010023#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include <asm/irq.h>
25
26#include <asm/mach/pci.h>
27
Linus Torvalds1da177e2005-04-16 15:20:36 -070028void __init coyote_pci_preinit(void)
29{
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +010030 set_irq_type(IRQ_COYOTE_PCI_SLOT0, IRQ_TYPE_LEVEL_LOW);
31 set_irq_type(IRQ_COYOTE_PCI_SLOT1, IRQ_TYPE_LEVEL_LOW);
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
Linus Torvalds1da177e2005-04-16 15:20:36 -070033 ixp4xx_pci_preinit();
34}
35
36static int __init coyote_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
37{
38 if (slot == COYOTE_PCI_SLOT0_DEVID)
39 return IRQ_COYOTE_PCI_SLOT0;
40 else if (slot == COYOTE_PCI_SLOT1_DEVID)
41 return IRQ_COYOTE_PCI_SLOT1;
42 else return -1;
43}
44
45struct hw_pci coyote_pci __initdata = {
46 .nr_controllers = 1,
47 .preinit = coyote_pci_preinit,
48 .swizzle = pci_std_swizzle,
49 .setup = ixp4xx_setup,
50 .scan = ixp4xx_scan_bus,
51 .map_irq = coyote_map_irq,
52};
53
54int __init coyote_pci_init(void)
55{
56 if (machine_is_adi_coyote())
57 pci_common_init(&coyote_pci);
58 return 0;
59}
60
61subsys_initcall(coyote_pci_init);