1*5516b540SKumar Gala /* 2*5516b540SKumar Gala * Contains common pci routines for ALL ppc platform 3*5516b540SKumar Gala * 4*5516b540SKumar Gala * This program is free software; you can redistribute it and/or 5*5516b540SKumar Gala * modify it under the terms of the GNU General Public License 6*5516b540SKumar Gala * as published by the Free Software Foundation; either version 7*5516b540SKumar Gala * 2 of the License, or (at your option) any later version. 8*5516b540SKumar Gala */ 9*5516b540SKumar Gala 10*5516b540SKumar Gala #undef DEBUG 11*5516b540SKumar Gala 12*5516b540SKumar Gala #include <linux/kernel.h> 13*5516b540SKumar Gala #include <linux/pci.h> 14*5516b540SKumar Gala #include <linux/string.h> 15*5516b540SKumar Gala #include <linux/init.h> 16*5516b540SKumar Gala #include <linux/bootmem.h> 17*5516b540SKumar Gala #include <linux/mm.h> 18*5516b540SKumar Gala #include <linux/list.h> 19*5516b540SKumar Gala #include <linux/syscalls.h> 20*5516b540SKumar Gala #include <linux/irq.h> 21*5516b540SKumar Gala #include <linux/vmalloc.h> 22*5516b540SKumar Gala 23*5516b540SKumar Gala #include <asm/processor.h> 24*5516b540SKumar Gala #include <asm/io.h> 25*5516b540SKumar Gala #include <asm/prom.h> 26*5516b540SKumar Gala #include <asm/pci-bridge.h> 27*5516b540SKumar Gala #include <asm/byteorder.h> 28*5516b540SKumar Gala #include <asm/machdep.h> 29*5516b540SKumar Gala #include <asm/ppc-pci.h> 30*5516b540SKumar Gala #include <asm/firmware.h> 31*5516b540SKumar Gala 32*5516b540SKumar Gala #ifdef DEBUG 33*5516b540SKumar Gala #include <asm/udbg.h> 34*5516b540SKumar Gala #define DBG(fmt...) printk(fmt) 35*5516b540SKumar Gala #else 36*5516b540SKumar Gala #define DBG(fmt...) 37*5516b540SKumar Gala #endif 38*5516b540SKumar Gala 39*5516b540SKumar Gala /* 40*5516b540SKumar Gala * Return the domain number for this bus. 41*5516b540SKumar Gala */ 42*5516b540SKumar Gala int pci_domain_nr(struct pci_bus *bus) 43*5516b540SKumar Gala { 44*5516b540SKumar Gala if (firmware_has_feature(FW_FEATURE_ISERIES)) 45*5516b540SKumar Gala return 0; 46*5516b540SKumar Gala else { 47*5516b540SKumar Gala struct pci_controller *hose = pci_bus_to_host(bus); 48*5516b540SKumar Gala 49*5516b540SKumar Gala return hose->global_number; 50*5516b540SKumar Gala } 51*5516b540SKumar Gala } 52*5516b540SKumar Gala 53*5516b540SKumar Gala EXPORT_SYMBOL(pci_domain_nr); 54