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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-05-14 11:58:17 +0400 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-06-22 12:16:42 +0400 |
| commit | da1677b02d3ef674dfd8a4ba1ed32153dc717fa2 (patch) | |
| tree | 109d07ee350a94a85f9447af3f488623f989b6fa /arch/arc/include/asm/mmu.h | |
| parent | 18437347b976b81e616a57fb36922a240e71a6de (diff) | |
| download | linux-da1677b02d3ef674dfd8a4ba1ed32153dc717fa2.tar.xz | |
ARC: Disintegrate arcregs.h
* Move the various sub-system defines/types into relevant files/functions
(reduces compilation time)
* move CPU specific stuff out of asm/tlb.h into asm/mmu.h
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 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arc/include/asm/mmu.h b/arch/arc/include/asm/mmu.h index 33548f975cd2..7c03fe61759c 100644 --- a/arch/arc/include/asm/mmu.h +++ b/arch/arc/include/asm/mmu.h @@ -17,6 +17,32 @@ #define CONFIG_ARC_MMU_VER 3 #endif +/* MMU Management regs */ +#define ARC_REG_MMU_BCR 0x06f +#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 + +/* Bits in MMU PID register */ +#define MMU_ENABLE (1 << 31) /* Enable MMU for process */ + +/* Error code if probe fails */ +#define TLB_LKUP_ERR 0x80000000 + +/* TLB Commands */ +#define TLBWrite 0x1 +#define TLBRead 0x2 +#define TLBGetIndex 0x3 +#define TLBProbe 0x4 + +#if (CONFIG_ARC_MMU_VER >= 2) +#define TLBWriteNI 0x5 /* write JTLB without inv uTLBs */ +#define TLBIVUTLB 0x6 /* explicitly inv uTLBs */ +#endif + #ifndef __ASSEMBLY__ typedef struct { @@ -26,6 +52,16 @@ typedef struct { #endif } mm_context_t; +#ifdef CONFIG_ARC_DBG_TLB_PARANOIA +void tlb_paranoid_check(unsigned int pid_sw, unsigned long address); +#else +#define tlb_paranoid_check(a, b) #endif +void arc_mmu_init(void); +extern char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len); +void __init read_decode_mmu_bcr(void); + +#endif /* !__ASSEMBLY__ */ + #endif |