projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| f30c2269 | 2 | * arch/arm/mach-ixp4xx/ixdpg425-pci.c |
| 1da177e4 LT |
3 | * |
| 4 | * PCI setup routines for Intel IXDPG425 Platform | |
| 5 | * | |
| 6 | * Copyright (C) 2004 MontaVista Softwrae, Inc. | |
| 7 | * | |
| 8 | * Maintainer: Deepak Saxena <dsaxena@plexity.net> | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License version 2 as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | * | |
| 14 | */ | |
| 15 | ||
| 16 | #include <linux/kernel.h> | |
| 17 | #include <linux/pci.h> | |
| 18 | #include <linux/init.h> | |
| 698dfe2b | 19 | #include <linux/irq.h> |
| 1da177e4 LT |
20 | |
| 21 | #include <asm/mach-types.h> | |
| 22 | #include <asm/hardware.h> | |
| 1da177e4 LT |
23 | |
| 24 | #include <asm/mach/pci.h> | |
| 25 | ||
| 26 | extern void ixp4xx_pci_preinit(void); | |
| 27 | extern int ixp4xx_setup(int nr, struct pci_sys_data *sys); | |
| 28 | extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys); | |
| 29 | ||
| 30 | void __init ixdpg425_pci_preinit(void) | |
| 31 | { | |
| bdf82b59 DS |
32 | set_irq_type(IRQ_IXP4XX_GPIO6, IRQT_LOW); |
| 33 | set_irq_type(IRQ_IXP4XX_GPIO7, IRQT_LOW); | |
| 1da177e4 | 34 | |
| 1da177e4 LT |
35 | ixp4xx_pci_preinit(); |
| 36 | } | |
| 37 | ||
| 38 | static int __init ixdpg425_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
| 39 | { | |
| 40 | if (slot == 12 || slot == 13) | |
| 41 | return IRQ_IXP4XX_GPIO7; | |
| 42 | else if (slot == 14) | |
| 43 | return IRQ_IXP4XX_GPIO6; | |
| 44 | else return -1; | |
| 45 | } | |
| 46 | ||
| 47 | struct hw_pci ixdpg425_pci __initdata = { | |
| 48 | .nr_controllers = 1, | |
| 49 | .preinit = ixdpg425_pci_preinit, | |
| 50 | .swizzle = pci_std_swizzle, | |
| 51 | .setup = ixp4xx_setup, | |
| 52 | .scan = ixp4xx_scan_bus, | |
| 53 | .map_irq = ixdpg425_map_irq, | |
| 54 | }; | |
| 55 | ||
| 56 | int __init ixdpg425_pci_init(void) | |
| 57 | { | |
| 58 | if (machine_is_ixdpg425()) | |
| 59 | pci_common_init(&ixdpg425_pci); | |
| 60 | return 0; | |
| 61 | } | |
| 62 | ||
| 63 | subsys_initcall(ixdpg425_pci_init); |