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Diffstat (limited to 'arch/arm/mach-ixp4xx/wg302v2-pci.c')
-rw-r--r--arch/arm/mach-ixp4xx/wg302v2-pci.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/wg302v2-pci.c b/arch/arm/mach-ixp4xx/wg302v2-pci.c
new file mode 100644
index 000000000000..7c0e3aa4ef5d
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/wg302v2-pci.c
@@ -0,0 +1,64 @@
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 <asm/hardware.h>
27#include <asm/irq.h>
28
29#include <asm/mach/pci.h>
30
31void __init wg302v2_pci_preinit(void)
32{
33 set_irq_type(IRQ_IXP4XX_GPIO8, IRQT_LOW);
34 set_irq_type(IRQ_IXP4XX_GPIO9, IRQT_LOW);
35
36 ixp4xx_pci_preinit();
37}
38
39static int __init wg302v2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
40{
41 if (slot == 1)
42 return IRQ_IXP4XX_GPIO8;
43 else if (slot == 2)
44 return IRQ_IXP4XX_GPIO9;
45 else return -1;
46}
47
48struct hw_pci wg302v2_pci __initdata = {
49 .nr_controllers = 1,
50 .preinit = wg302v2_pci_preinit,
51 .swizzle = pci_std_swizzle,
52 .setup = ixp4xx_setup,
53 .scan = ixp4xx_scan_bus,
54 .map_irq = wg302v2_map_irq,
55};
56
57int __init wg302v2_pci_init(void)
58{
59 if (machine_is_wg302v2())
60 pci_common_init(&wg302v2_pci);
61 return 0;
62}
63
64subsys_initcall(wg302v2_pci_init);