1 /*
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>
26 #include <mach/hardware.h>
27
28 #include <asm/mach/pci.h>
29
gateway7001_pci_preinit(void)30 void __init gateway7001_pci_preinit(void)
31 {
32 irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
33 irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
34
35 ixp4xx_pci_preinit();
36 }
37
gateway7001_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)38 static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot,
39 u8 pin)
40 {
41 if (slot == 1)
42 return IRQ_IXP4XX_GPIO11;
43 else if (slot == 2)
44 return IRQ_IXP4XX_GPIO10;
45 else return -1;
46 }
47
48 struct hw_pci gateway7001_pci __initdata = {
49 .nr_controllers = 1,
50 .ops = &ixp4xx_ops,
51 .preinit = gateway7001_pci_preinit,
52 .setup = ixp4xx_setup,
53 .map_irq = gateway7001_map_irq,
54 };
55
gateway7001_pci_init(void)56 int __init gateway7001_pci_init(void)
57 {
58 if (machine_is_gateway7001())
59 pci_common_init(&gateway7001_pci);
60 return 0;
61 }
62
63 subsys_initcall(gateway7001_pci_init);
64
