diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/wg302v2-pci.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/wg302v2-pci.c | 64 |
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 | |||
31 | void __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 | |||
39 | static 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 | |||
48 | struct 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 | |||
57 | int __init wg302v2_pci_init(void) | ||
58 | { | ||
59 | if (machine_is_wg302v2()) | ||
60 | pci_common_init(&wg302v2_pci); | ||
61 | return 0; | ||
62 | } | ||
63 | |||
64 | subsys_initcall(wg302v2_pci_init); | ||