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

https://github.com/AICP/kernel_google_msm
C | 64 lines | 37 code | 9 blank | 18 comment | 7 complexity | 6e2bb27a9e35a6a591f4a9a09400f6c9 MD5 | raw file
 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
30void __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
38static 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
48struct hw_pci gateway7001_pci __initdata = {
49	.nr_controllers = 1,
50	.preinit =        gateway7001_pci_preinit,
51	.swizzle =        pci_std_swizzle,
52	.setup =          ixp4xx_setup,
53	.scan =           ixp4xx_scan_bus,
54	.map_irq =        gateway7001_map_irq,
55};
56
57int __init gateway7001_pci_init(void)
58{
59	if (machine_is_gateway7001())
60		pci_common_init(&gateway7001_pci);
61	return 0;
62}
63
64subsys_initcall(gateway7001_pci_init);