diff options
Diffstat (limited to 'include/asm-powerpc/mmu-hash32.h')
-rw-r--r-- | include/asm-powerpc/mmu-hash32.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/include/asm-powerpc/mmu-hash32.h b/include/asm-powerpc/mmu-hash32.h deleted file mode 100644 index 16b1a1e77e64..000000000000 --- a/include/asm-powerpc/mmu-hash32.h +++ /dev/null | |||
@@ -1,83 +0,0 @@ | |||
1 | #ifndef _ASM_POWERPC_MMU_HASH32_H_ | ||
2 | #define _ASM_POWERPC_MMU_HASH32_H_ | ||
3 | /* | ||
4 | * 32-bit hash table MMU support | ||
5 | */ | ||
6 | |||
7 | /* | ||
8 | * BATs | ||
9 | */ | ||
10 | |||
11 | /* Block size masks */ | ||
12 | #define BL_128K 0x000 | ||
13 | #define BL_256K 0x001 | ||
14 | #define BL_512K 0x003 | ||
15 | #define BL_1M 0x007 | ||
16 | #define BL_2M 0x00F | ||
17 | #define BL_4M 0x01F | ||
18 | #define BL_8M 0x03F | ||
19 | #define BL_16M 0x07F | ||
20 | #define BL_32M 0x0FF | ||
21 | #define BL_64M 0x1FF | ||
22 | #define BL_128M 0x3FF | ||
23 | #define BL_256M 0x7FF | ||
24 | |||
25 | /* BAT Access Protection */ | ||
26 | #define BPP_XX 0x00 /* No access */ | ||
27 | #define BPP_RX 0x01 /* Read only */ | ||
28 | #define BPP_RW 0x02 /* Read/write */ | ||
29 | |||
30 | #ifndef __ASSEMBLY__ | ||
31 | /* Contort a phys_addr_t into the right format/bits for a BAT */ | ||
32 | #ifdef CONFIG_PHYS_64BIT | ||
33 | #define BAT_PHYS_ADDR(x) ((u32)((x & 0x00000000fffe0000ULL) | \ | ||
34 | ((x & 0x0000000e00000000ULL) >> 24) | \ | ||
35 | ((x & 0x0000000100000000ULL) >> 30))) | ||
36 | #else | ||
37 | #define BAT_PHYS_ADDR(x) (x) | ||
38 | #endif | ||
39 | |||
40 | struct ppc_bat { | ||
41 | u32 batu; | ||
42 | u32 batl; | ||
43 | }; | ||
44 | #endif /* !__ASSEMBLY__ */ | ||
45 | |||
46 | /* | ||
47 | * Hash table | ||
48 | */ | ||
49 | |||
50 | /* Values for PP (assumes Ks=0, Kp=1) */ | ||
51 | #define PP_RWXX 0 /* Supervisor read/write, User none */ | ||
52 | #define PP_RWRX 1 /* Supervisor read/write, User read */ | ||
53 | #define PP_RWRW 2 /* Supervisor read/write, User read/write */ | ||
54 | #define PP_RXRX 3 /* Supervisor read, User read */ | ||
55 | |||
56 | #ifndef __ASSEMBLY__ | ||
57 | |||
58 | /* Hardware Page Table Entry */ | ||
59 | struct hash_pte { | ||
60 | unsigned long v:1; /* Entry is valid */ | ||
61 | unsigned long vsid:24; /* Virtual segment identifier */ | ||
62 | unsigned long h:1; /* Hash algorithm indicator */ | ||
63 | unsigned long api:6; /* Abbreviated page index */ | ||
64 | unsigned long rpn:20; /* Real (physical) page number */ | ||
65 | unsigned long :3; /* Unused */ | ||
66 | unsigned long r:1; /* Referenced */ | ||
67 | unsigned long c:1; /* Changed */ | ||
68 | unsigned long w:1; /* Write-thru cache mode */ | ||
69 | unsigned long i:1; /* Cache inhibited */ | ||
70 | unsigned long m:1; /* Memory coherence */ | ||
71 | unsigned long g:1; /* Guarded */ | ||
72 | unsigned long :1; /* Unused */ | ||
73 | unsigned long pp:2; /* Page protection */ | ||
74 | }; | ||
75 | |||
76 | typedef struct { | ||
77 | unsigned long id; | ||
78 | unsigned long vdso_base; | ||
79 | } mm_context_t; | ||
80 | |||
81 | #endif /* !__ASSEMBLY__ */ | ||
82 | |||
83 | #endif /* _ASM_POWERPC_MMU_HASH32_H_ */ | ||