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Andreas Herrmann23ac4ae2010-09-17 18:03:43 +02001#ifndef _ASM_X86_AMD_NB_H
2#define _ASM_X86_AMD_NB_H
Andi Kleena32073b2006-06-26 13:56:40 +02003
4#include <linux/pci.h>
5
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +02006extern struct pci_device_id amd_nb_ids[];
Randy Dunlap04201012009-10-28 16:09:55 -07007struct bootnode;
Andi Kleena32073b2006-06-26 13:56:40 +02008
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +02009extern int early_is_amd_nb(u32 value);
10extern int cache_amd_northbridges(void);
11extern void amd_flush_garts(void);
12extern int amd_get_nodes(struct bootnode *nodes);
13extern int amd_numa_init(unsigned long start_pfn, unsigned long end_pfn);
14extern int amd_scan_nodes(void);
Andi Kleena32073b2006-06-26 13:56:40 +020015
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +020016struct amd_northbridge_info {
Andreas Herrmann900f9ac2010-09-17 18:02:54 +020017 u16 num;
18 u8 gart_supported;
19 struct pci_dev **nb_misc;
20};
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +020021extern struct amd_northbridge_info amd_northbridges;
Andreas Herrmann900f9ac2010-09-17 18:02:54 +020022
Andreas Herrmann23ac4ae2010-09-17 18:03:43 +020023#ifdef CONFIG_AMD_NB
Borislav Petkovade029e2010-04-24 09:56:53 +020024
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +020025static inline struct pci_dev *node_to_amd_nb_misc(int node)
Jaswinder Singh Rajputb2065252009-04-14 23:04:37 +053026{
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +020027 return (node < amd_northbridges.num) ? amd_northbridges.nb_misc[node] : NULL;
Jaswinder Singh Rajputb2065252009-04-14 23:04:37 +053028}
Borislav Petkovade029e2010-04-24 09:56:53 +020029
Andreas Herrmannafd9fce2009-04-09 15:16:17 +020030#else
Borislav Petkovade029e2010-04-24 09:56:53 +020031
Hans Rosenfeldeec1d4f2010-10-29 17:14:30 +020032static inline struct pci_dev *node_to_amd_nb_misc(int node)
Jaswinder Singh Rajputb2065252009-04-14 23:04:37 +053033{
34 return NULL;
35}
Andreas Herrmannafd9fce2009-04-09 15:16:17 +020036#endif
37
38
Andreas Herrmann23ac4ae2010-09-17 18:03:43 +020039#endif /* _ASM_X86_AMD_NB_H */