5516b540e9
Make the pci_controller struct use global_number for the PHB domain number instead of index to match what ppc64 does and reuse its pci_domain_nr code. Introduced a pci-common.c to handle shared code between ppc32 & ppc64. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
|
|
* Contains common pci routines for ALL ppc platform
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#undef DEBUG
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/string.h>
|
|
#include <linux/init.h>
|
|
#include <linux/bootmem.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/list.h>
|
|
#include <linux/syscalls.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/vmalloc.h>
|
|
|
|
#include <asm/processor.h>
|
|
#include <asm/io.h>
|
|
#include <asm/prom.h>
|
|
#include <asm/pci-bridge.h>
|
|
#include <asm/byteorder.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/ppc-pci.h>
|
|
#include <asm/firmware.h>
|
|
|
|
#ifdef DEBUG
|
|
#include <asm/udbg.h>
|
|
#define DBG(fmt...) printk(fmt)
|
|
#else
|
|
#define DBG(fmt...)
|
|
#endif
|
|
|
|
/*
|
|
* Return the domain number for this bus.
|
|
*/
|
|
int pci_domain_nr(struct pci_bus *bus)
|
|
{
|
|
if (firmware_has_feature(FW_FEATURE_ISERIES))
|
|
return 0;
|
|
else {
|
|
struct pci_controller *hose = pci_bus_to_host(bus);
|
|
|
|
return hose->global_number;
|
|
}
|
|
}
|
|
|
|
EXPORT_SYMBOL(pci_domain_nr);
|