| Kumar Gala | 5516b54 | 2007-06-27 01:17:57 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * Contains common pci routines for ALL ppc platform |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | */ |
| 9 | |
| 10 | #undef DEBUG |
| 11 | |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/pci.h> |
| 14 | #include <linux/string.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/bootmem.h> |
| 17 | #include <linux/mm.h> |
| 18 | #include <linux/list.h> |
| 19 | #include <linux/syscalls.h> |
| 20 | #include <linux/irq.h> |
| 21 | #include <linux/vmalloc.h> |
| 22 | |
| 23 | #include <asm/processor.h> |
| 24 | #include <asm/io.h> |
| 25 | #include <asm/prom.h> |
| 26 | #include <asm/pci-bridge.h> |
| 27 | #include <asm/byteorder.h> |
| 28 | #include <asm/machdep.h> |
| 29 | #include <asm/ppc-pci.h> |
| 30 | #include <asm/firmware.h> |
| 31 | |
| 32 | #ifdef DEBUG |
| 33 | #include <asm/udbg.h> |
| 34 | #define DBG(fmt...) printk(fmt) |
| 35 | #else |
| 36 | #define DBG(fmt...) |
| 37 | #endif |
| 38 | |
| 39 | /* |
| 40 | * Return the domain number for this bus. |
| 41 | */ |
| 42 | int pci_domain_nr(struct pci_bus *bus) |
| 43 | { |
| 44 | if (firmware_has_feature(FW_FEATURE_ISERIES)) |
| 45 | return 0; |
| 46 | else { |
| 47 | struct pci_controller *hose = pci_bus_to_host(bus); |
| 48 | |
| 49 | return hose->global_number; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | EXPORT_SYMBOL(pci_domain_nr); |