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/arch/arm/mach-ixp4xx/wg302v2-pci.c

https://github.com/AICP/kernel_google_msm
C | 63 lines | 36 code | 9 blank | 18 comment | 7 complexity | e5d0c7e5470c76f2b33023e963d0329e MD5 | raw file
 1/*
 2 * arch/arch/mach-ixp4xx/wg302v2-pci.c
 3 *
 4 * PCI setup routines for the Netgear WG302 v2 and WAG302 v2
 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 Software, 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 wg302v2_pci_preinit(void)
31{
32	irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
33	irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
34
35	ixp4xx_pci_preinit();
36}
37
38static int __init wg302v2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
39{
40	if (slot == 1)
41		return IRQ_IXP4XX_GPIO8;
42	else if (slot == 2)
43		return IRQ_IXP4XX_GPIO9;
44	else return -1;
45}
46
47struct hw_pci wg302v2_pci __initdata = {
48	.nr_controllers = 1,
49	.preinit =        wg302v2_pci_preinit,
50	.swizzle =        pci_std_swizzle,
51	.setup =          ixp4xx_setup,
52	.scan =           ixp4xx_scan_bus,
53	.map_irq =        wg302v2_map_irq,
54};
55
56int __init wg302v2_pci_init(void)
57{
58	if (machine_is_wg302v2())
59		pci_common_init(&wg302v2_pci);
60	return 0;
61}
62
63subsys_initcall(wg302v2_pci_init);