git://bbs.cooldavid.org / net-next-2.6.git / blame
| 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 | { | |
| 8d3fdf31 KH |
35 | set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW); |
| 36 | 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); |