Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
f30c2269 | 2 | * arch/arm/mach-ixp4xx/coyote-pci.c |
1da177e4 LT |
3 | * |
4 | * PCI setup routines for ADI Engineering Coyote platform | |
5 | * | |
6 | * Copyright (C) 2002 Jungo Software Technologies. | |
7 | * Copyright (C) 2003 MontaVista Softwrae, Inc. | |
8 | * | |
9 | * Maintainer: Deepak Saxena <dsaxena@mvista.com> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/pci.h> | |
19 | #include <linux/init.h> | |
698dfe2b | 20 | #include <linux/irq.h> |
1da177e4 | 21 | #include <asm/mach-types.h> |
a09e64fb | 22 | #include <mach/hardware.h> |
1da177e4 | 23 | #include <asm/irq.h> |
1da177e4 LT |
24 | #include <asm/mach/pci.h> |
25 | ||
8d3fdf31 KH |
26 | #define SLOT0_DEVID 14 |
27 | #define SLOT1_DEVID 15 | |
f89f4490 KH |
28 | |
29 | /* PCI controller GPIO to IRQ pin mappings */ | |
8d3fdf31 KH |
30 | #define SLOT0_INTA 6 |
31 | #define SLOT1_INTA 11 | |
f89f4490 | 32 | |
1da177e4 LT |
33 | void __init coyote_pci_preinit(void) |
34 | { | |
6845664a TG |
35 | irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW); |
36 | irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW); | |
1da177e4 LT |
37 | ixp4xx_pci_preinit(); |
38 | } | |
39 | ||
40 | static int __init coyote_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
41 | { | |
8d3fdf31 KH |
42 | if (slot == SLOT0_DEVID) |
43 | return IXP4XX_GPIO_IRQ(SLOT0_INTA); | |
44 | else if (slot == SLOT1_DEVID) | |
45 | return IXP4XX_GPIO_IRQ(SLOT1_INTA); | |
1da177e4 LT |
46 | else return -1; |
47 | } | |
48 | ||
49 | struct hw_pci coyote_pci __initdata = { | |
50 | .nr_controllers = 1, | |
51 | .preinit = coyote_pci_preinit, | |
52 | .swizzle = pci_std_swizzle, | |
53 | .setup = ixp4xx_setup, | |
54 | .scan = ixp4xx_scan_bus, | |
55 | .map_irq = coyote_map_irq, | |
56 | }; | |
57 | ||
58 | int __init coyote_pci_init(void) | |
59 | { | |
60 | if (machine_is_adi_coyote()) | |
61 | pci_common_init(&coyote_pci); | |
62 | return 0; | |
63 | } | |
64 | ||
65 | subsys_initcall(coyote_pci_init); |