diff options
Diffstat (limited to 'arch/powerpc/mm/mmu_decl.h')
-rw-r--r-- | arch/powerpc/mm/mmu_decl.h | 65 |
1 files changed, 48 insertions, 17 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index fab3cfad4099..4314b39b6faf 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h | |||
@@ -22,10 +22,58 @@ | |||
22 | #include <asm/tlbflush.h> | 22 | #include <asm/tlbflush.h> |
23 | #include <asm/mmu.h> | 23 | #include <asm/mmu.h> |
24 | 24 | ||
25 | #ifdef CONFIG_PPC_MMU_NOHASH | ||
26 | |||
27 | /* | ||
28 | * On 40x and 8xx, we directly inline tlbia and tlbivax | ||
29 | */ | ||
30 | #if defined(CONFIG_40x) || defined(CONFIG_8xx) | ||
31 | static inline void _tlbil_all(void) | ||
32 | { | ||
33 | asm volatile ("sync; tlbia; isync" : : : "memory") | ||
34 | } | ||
35 | static inline void _tlbil_pid(unsigned int pid) | ||
36 | { | ||
37 | asm volatile ("sync; tlbia; isync" : : : "memory") | ||
38 | } | ||
39 | #else /* CONFIG_40x || CONFIG_8xx */ | ||
40 | extern void _tlbil_all(void); | ||
41 | extern void _tlbil_pid(unsigned int pid); | ||
42 | #endif /* !(CONFIG_40x || CONFIG_8xx) */ | ||
43 | |||
44 | /* | ||
45 | * On 8xx, we directly inline tlbie, on others, it's extern | ||
46 | */ | ||
47 | #ifdef CONFIG_8xx | ||
48 | static inline void _tlbil_va(unsigned long address, unsigned int pid) | ||
49 | { | ||
50 | asm volatile ("tlbie %0; sync" : : "r" (address) : "memory") | ||
51 | } | ||
52 | #else /* CONFIG_8xx */ | ||
53 | extern void _tlbil_va(unsigned long address, unsigned int pid); | ||
54 | #endif /* CONIFG_8xx */ | ||
55 | |||
56 | /* | ||
57 | * As of today, we don't support tlbivax broadcast on any | ||
58 | * implementation. When that becomes the case, this will be | ||
59 | * an extern. | ||
60 | */ | ||
61 | static inline void _tlbivax_bcast(unsigned long address, unsigned int pid) | ||
62 | { | ||
63 | BUG(); | ||
64 | } | ||
65 | |||
66 | #else /* CONFIG_PPC_MMU_NOHASH */ | ||
67 | |||
25 | extern void hash_preload(struct mm_struct *mm, unsigned long ea, | 68 | extern void hash_preload(struct mm_struct *mm, unsigned long ea, |
26 | unsigned long access, unsigned long trap); | 69 | unsigned long access, unsigned long trap); |
27 | 70 | ||
28 | 71 | ||
72 | extern void _tlbie(unsigned long address); | ||
73 | extern void _tlbia(void); | ||
74 | |||
75 | #endif /* CONFIG_PPC_MMU_NOHASH */ | ||
76 | |||
29 | #ifdef CONFIG_PPC32 | 77 | #ifdef CONFIG_PPC32 |
30 | extern void mapin_ram(void); | 78 | extern void mapin_ram(void); |
31 | extern int map_page(unsigned long va, phys_addr_t pa, int flags); | 79 | extern int map_page(unsigned long va, phys_addr_t pa, int flags); |
@@ -58,17 +106,14 @@ extern phys_addr_t lowmem_end_addr; | |||
58 | * architectures. -- Dan | 106 | * architectures. -- Dan |
59 | */ | 107 | */ |
60 | #if defined(CONFIG_8xx) | 108 | #if defined(CONFIG_8xx) |
61 | #define flush_HPTE(X, va, pg) _tlbie(va, 0 /* 8xx doesn't care about PID */) | ||
62 | #define MMU_init_hw() do { } while(0) | 109 | #define MMU_init_hw() do { } while(0) |
63 | #define mmu_mapin_ram() (0UL) | 110 | #define mmu_mapin_ram() (0UL) |
64 | 111 | ||
65 | #elif defined(CONFIG_4xx) | 112 | #elif defined(CONFIG_4xx) |
66 | #define flush_HPTE(pid, va, pg) _tlbie(va, pid) | ||
67 | extern void MMU_init_hw(void); | 113 | extern void MMU_init_hw(void); |
68 | extern unsigned long mmu_mapin_ram(void); | 114 | extern unsigned long mmu_mapin_ram(void); |
69 | 115 | ||
70 | #elif defined(CONFIG_FSL_BOOKE) | 116 | #elif defined(CONFIG_FSL_BOOKE) |
71 | #define flush_HPTE(pid, va, pg) _tlbie(va, pid) | ||
72 | extern void MMU_init_hw(void); | 117 | extern void MMU_init_hw(void); |
73 | extern unsigned long mmu_mapin_ram(void); | 118 | extern unsigned long mmu_mapin_ram(void); |
74 | extern void adjust_total_lowmem(void); | 119 | extern void adjust_total_lowmem(void); |
@@ -77,18 +122,4 @@ extern void adjust_total_lowmem(void); | |||
77 | /* anything 32-bit except 4xx or 8xx */ | 122 | /* anything 32-bit except 4xx or 8xx */ |
78 | extern void MMU_init_hw(void); | 123 | extern void MMU_init_hw(void); |
79 | extern unsigned long mmu_mapin_ram(void); | 124 | extern unsigned long mmu_mapin_ram(void); |
80 | |||
81 | /* Be careful....this needs to be updated if we ever encounter 603 SMPs, | ||
82 | * which includes all new 82xx processors. We need tlbie/tlbsync here | ||
83 | * in that case (I think). -- Dan. | ||
84 | */ | ||
85 | static inline void flush_HPTE(unsigned context, unsigned long va, | ||
86 | unsigned long pdval) | ||
87 | { | ||
88 | if ((Hash != 0) && | ||
89 | cpu_has_feature(CPU_FTR_HPTE_TABLE)) | ||
90 | flush_hash_pages(0, va, pdval, 1); | ||
91 | else | ||
92 | _tlbie(va); | ||
93 | } | ||
94 | #endif | 125 | #endif |