| 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 | } |