projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 23ac4ae8 AH |
1 | #ifndef _ASM_X86_AMD_NB_H |
| 2 | #define _ASM_X86_AMD_NB_H | |
| a32073bf AK |
3 | |
| 4 | #include <linux/pci.h> | |
| 5 | ||
| 24d9b70b JB |
6 | struct amd_nb_bus_dev_range { |
| 7 | u8 bus; | |
| 8 | u8 dev_base; | |
| 9 | u8 dev_limit; | |
| 10 | }; | |
| 11 | ||
| 691269f0 | 12 | extern const struct pci_device_id amd_nb_misc_ids[]; |
| 24d9b70b | 13 | extern const struct amd_nb_bus_dev_range amd_nb_bus_dev_ranges[]; |
| 0420101c | 14 | struct bootnode; |
| a32073bf | 15 | |
| 84fd1d35 | 16 | extern bool early_is_amd_nb(u32 value); |
| 9653a5c7 | 17 | extern int amd_cache_northbridges(void); |
| eec1d4fa | 18 | extern void amd_flush_garts(void); |
| 940fed2e | 19 | extern int amd_numa_init(void); |
| cabb5bd7 HR |
20 | extern int amd_get_subcaches(int); |
| 21 | extern int amd_set_subcaches(int, int); | |
| a32073bf | 22 | |
| 9653a5c7 HR |
23 | struct amd_northbridge { |
| 24 | struct pci_dev *misc; | |
| 41b2610c | 25 | struct pci_dev *link; |
| 9653a5c7 HR |
26 | }; |
| 27 | ||
| eec1d4fa | 28 | struct amd_northbridge_info { |
| 900f9ac9 | 29 | u16 num; |
| 9653a5c7 HR |
30 | u64 flags; |
| 31 | struct amd_northbridge *nb; | |
| 900f9ac9 | 32 | }; |
| eec1d4fa | 33 | extern struct amd_northbridge_info amd_northbridges; |
| 900f9ac9 | 34 | |
| 84fd1d35 BP |
35 | #define AMD_NB_GART BIT(0) |
| 36 | #define AMD_NB_L3_INDEX_DISABLE BIT(1) | |
| 37 | #define AMD_NB_L3_PARTITIONING BIT(2) | |
| 9653a5c7 | 38 | |
| 23ac4ae8 | 39 | #ifdef CONFIG_AMD_NB |
| ade029e2 | 40 | |
| 84fd1d35 | 41 | static inline u16 amd_nb_num(void) |
| b206525a | 42 | { |
| 9653a5c7 | 43 | return amd_northbridges.num; |
| b206525a | 44 | } |
| ade029e2 | 45 | |
| 84fd1d35 | 46 | static inline bool amd_nb_has_feature(unsigned feature) |
| 9653a5c7 HR |
47 | { |
| 48 | return ((amd_northbridges.flags & feature) == feature); | |
| 49 | } | |
| ade029e2 | 50 | |
| 9653a5c7 | 51 | static inline struct amd_northbridge *node_to_amd_nb(int node) |
| b206525a | 52 | { |
| 9653a5c7 | 53 | return (node < amd_northbridges.num) ? &amd_northbridges.nb[node] : NULL; |
| b206525a | 54 | } |
| 9653a5c7 HR |
55 | |
| 56 | #else | |
| 57 | ||
| 58 | #define amd_nb_num(x) 0 | |
| 59 | #define amd_nb_has_feature(x) false | |
| 60 | #define node_to_amd_nb(x) NULL | |
| 61 | ||
| afd9fcee AH |
62 | #endif |
| 63 | ||
| 64 | ||
| 23ac4ae8 | 65 | #endif /* _ASM_X86_AMD_NB_H */ |