diff options
Diffstat (limited to 'arch/powerpc/include/asm/mmu-44x.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu-44x.h | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/mmu-44x.h b/arch/powerpc/include/asm/mmu-44x.h index 0372669383a8..bf52d704fc47 100644 --- a/arch/powerpc/include/asm/mmu-44x.h +++ b/arch/powerpc/include/asm/mmu-44x.h @@ -40,7 +40,7 @@ #define PPC44x_TLB_I 0x00000400 /* Caching is inhibited */ #define PPC44x_TLB_M 0x00000200 /* Memory is coherent */ #define PPC44x_TLB_G 0x00000100 /* Memory is guarded */ -#define PPC44x_TLB_E 0x00000080 /* Memory is guarded */ +#define PPC44x_TLB_E 0x00000080 /* Memory is little endian */ #define PPC44x_TLB_PERM_MASK 0x0000003f #define PPC44x_TLB_UX 0x00000020 /* User execution */ @@ -53,6 +53,52 @@ /* Number of TLB entries */ #define PPC44x_TLB_SIZE 64 +/* 47x bits */ +#define PPC47x_MMUCR_TID 0x0000ffff +#define PPC47x_MMUCR_STS 0x00010000 + +/* Page identification fields */ +#define PPC47x_TLB0_EPN_MASK 0xfffff000 /* Effective Page Number */ +#define PPC47x_TLB0_VALID 0x00000800 /* Valid flag */ +#define PPC47x_TLB0_TS 0x00000400 /* Translation address space */ +#define PPC47x_TLB0_4K 0x00000000 +#define PPC47x_TLB0_16K 0x00000010 +#define PPC47x_TLB0_64K 0x00000030 +#define PPC47x_TLB0_1M 0x00000070 +#define PPC47x_TLB0_16M 0x000000f0 +#define PPC47x_TLB0_256M 0x000001f0 +#define PPC47x_TLB0_1G 0x000003f0 +#define PPC47x_TLB0_BOLTED_R 0x00000008 /* tlbre only */ + +/* Translation fields */ +#define PPC47x_TLB1_RPN_MASK 0xfffff000 /* Real Page Number */ +#define PPC47x_TLB1_ERPN_MASK 0x000003ff + +/* Storage attribute and access control fields */ +#define PPC47x_TLB2_ATTR_MASK 0x0003ff80 +#define PPC47x_TLB2_IL1I 0x00020000 /* Memory is guarded */ +#define PPC47x_TLB2_IL1D 0x00010000 /* Memory is guarded */ +#define PPC47x_TLB2_U0 0x00008000 /* User 0 */ +#define PPC47x_TLB2_U1 0x00004000 /* User 1 */ +#define PPC47x_TLB2_U2 0x00002000 /* User 2 */ +#define PPC47x_TLB2_U3 0x00001000 /* User 3 */ +#define PPC47x_TLB2_W 0x00000800 /* Caching is write-through */ +#define PPC47x_TLB2_I 0x00000400 /* Caching is inhibited */ +#define PPC47x_TLB2_M 0x00000200 /* Memory is coherent */ +#define PPC47x_TLB2_G 0x00000100 /* Memory is guarded */ +#define PPC47x_TLB2_E 0x00000080 /* Memory is little endian */ +#define PPC47x_TLB2_PERM_MASK 0x0000003f +#define PPC47x_TLB2_UX 0x00000020 /* User execution */ +#define PPC47x_TLB2_UW 0x00000010 /* User write */ +#define PPC47x_TLB2_UR 0x00000008 /* User read */ +#define PPC47x_TLB2_SX 0x00000004 /* Super execution */ +#define PPC47x_TLB2_SW 0x00000002 /* Super write */ +#define PPC47x_TLB2_SR 0x00000001 /* Super read */ +#define PPC47x_TLB2_U_RWX (PPC47x_TLB2_UX|PPC47x_TLB2_UW|PPC47x_TLB2_UR) +#define PPC47x_TLB2_S_RWX (PPC47x_TLB2_SX|PPC47x_TLB2_SW|PPC47x_TLB2_SR) +#define PPC47x_TLB2_S_RW (PPC47x_TLB2_SW | PPC47x_TLB2_SR) +#define PPC47x_TLB2_IMG (PPC47x_TLB2_I | PPC47x_TLB2_M | PPC47x_TLB2_G) + #ifndef __ASSEMBLY__ extern unsigned int tlb_44x_hwater; @@ -79,12 +125,15 @@ typedef struct { #if (PAGE_SHIFT == 12) #define PPC44x_TLBE_SIZE PPC44x_TLB_4K +#define PPC47x_TLBE_SIZE PPC47x_TLB0_4K #define mmu_virtual_psize MMU_PAGE_4K #elif (PAGE_SHIFT == 14) #define PPC44x_TLBE_SIZE PPC44x_TLB_16K +#define PPC47x_TLBE_SIZE PPC47x_TLB0_16K #define mmu_virtual_psize MMU_PAGE_16K #elif (PAGE_SHIFT == 16) #define PPC44x_TLBE_SIZE PPC44x_TLB_64K +#define PPC47x_TLBE_SIZE PPC47x_TLB0_64K #define mmu_virtual_psize MMU_PAGE_64K #elif (PAGE_SHIFT == 18) #define PPC44x_TLBE_SIZE PPC44x_TLB_256K |