diff options
| author | Vineet Gupta <vgupta@synopsys.com> | 2015-04-06 17:22:39 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-06-22 14:06:55 +0530 |
| commit | d7a512bfe0be3790bae8465b4cb6c1bbca03c616 (patch) | |
| tree | fd9a859c1e104ffa9032720ffd99dac0c4213478 /arch/arc/include/asm/mmu.h | |
| parent | 4de0e52867d831057676340271d21cfb920eac1c (diff) | |
ARCv2: MMUv4: TLB programming Model changes
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm/mmu.h')
| -rw-r--r-- | arch/arc/include/asm/mmu.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/arc/include/asm/mmu.h b/arch/arc/include/asm/mmu.h index 8c84ae98c337..0f9c3eb5327e 100644 --- a/arch/arc/include/asm/mmu.h +++ b/arch/arc/include/asm/mmu.h @@ -15,24 +15,41 @@ #define CONFIG_ARC_MMU_VER 2 #elif defined(CONFIG_ARC_MMU_V3) #define CONFIG_ARC_MMU_VER 3 +#elif defined(CONFIG_ARC_MMU_V4) +#define CONFIG_ARC_MMU_VER 4 #endif /* MMU Management regs */ #define ARC_REG_MMU_BCR 0x06f +#if (CONFIG_ARC_MMU_VER < 4) #define ARC_REG_TLBPD0 0x405 #define ARC_REG_TLBPD1 0x406 #define ARC_REG_TLBINDEX 0x407 #define ARC_REG_TLBCOMMAND 0x408 #define ARC_REG_PID 0x409 #define ARC_REG_SCRATCH_DATA0 0x418 +#else +#define ARC_REG_TLBPD0 0x460 +#define ARC_REG_TLBPD1 0x461 +#define ARC_REG_TLBINDEX 0x464 +#define ARC_REG_TLBCOMMAND 0x465 +#define ARC_REG_PID 0x468 +#define ARC_REG_SCRATCH_DATA0 0x46c +#endif /* Bits in MMU PID register */ -#define MMU_ENABLE (1 << 31) /* Enable MMU for process */ +#define __TLB_ENABLE (1 << 31) +#define __PROG_ENABLE (1 << 30) +#define MMU_ENABLE (__TLB_ENABLE | __PROG_ENABLE) /* Error code if probe fails */ #define TLB_LKUP_ERR 0x80000000 +#if (CONFIG_ARC_MMU_VER < 4) #define TLB_DUP_ERR (TLB_LKUP_ERR | 0x00000001) +#else +#define TLB_DUP_ERR (TLB_LKUP_ERR | 0x40000000) +#endif /* TLB Commands */ #define TLBWrite 0x1 @@ -45,6 +62,11 @@ #define TLBIVUTLB 0x6 /* explicitly inv uTLBs */ #endif +#if (CONFIG_ARC_MMU_VER >= 4) +#define TLBInsertEntry 0x7 +#define TLBDeleteEntry 0x8 +#endif + #ifndef __ASSEMBLY__ typedef struct { |