| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | * This file is subject to the terms and conditions of the GNU General Public | 
|  | 3 | * License.  See the file "COPYING" in the main directory of this archive | 
|  | 4 | * for more details. | 
|  | 5 | * | 
|  | 6 | * Copyright (C) 2004 Montavista Software Inc. | 
|  | 7 | * Author: Manish Lachwani (mlachwani@mvista.com) | 
|  | 8 | * | 
|  | 9 | * Looking at the schematics for the Ocelot-3 board, there are | 
|  | 10 | * two PCI busses and each bus has two PCI slots. | 
|  | 11 | */ | 
|  | 12 | #include <linux/kernel.h> | 
|  | 13 | #include <linux/init.h> | 
|  | 14 | #include <linux/pci.h> | 
|  | 15 | #include <asm/mipsregs.h> | 
|  | 16 |  | 
|  | 17 | /* | 
|  | 18 | * Do platform specific device initialization at | 
|  | 19 | * pci_enable_device() time | 
|  | 20 | */ | 
|  | 21 | int pcibios_plat_dev_init(struct pci_dev *dev) | 
|  | 22 | { | 
|  | 23 | return 0; | 
|  | 24 | } | 
|  | 25 |  | 
|  | 26 | int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | 
|  | 27 | { | 
|  | 28 | int bus = dev->bus->number; | 
|  | 29 |  | 
|  | 30 | if (bus == 0 && slot == 1) | 
|  | 31 | return 2;	/* PCI-X A */ | 
|  | 32 | if (bus == 0 && slot == 2) | 
|  | 33 | return 3;	/* PCI-X B */ | 
|  | 34 | if (bus == 1 && slot == 1) | 
|  | 35 | return 4;	/* PCI A */ | 
|  | 36 | if (bus == 1 && slot == 2) | 
|  | 37 | return 5;	/* PCI B */ | 
|  | 38 |  | 
|  | 39 | return 0; | 
|  | 40 | panic("Whooops in pcibios_map_irq"); | 
|  | 41 | } |