diff options
Diffstat (limited to 'arch/arc/include/asm/mmu.h')
| -rw-r--r-- | arch/arc/include/asm/mmu.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arc/include/asm/mmu.h b/arch/arc/include/asm/mmu.h index 98cadf1a09ac..26b731d32a2b 100644 --- a/arch/arc/include/asm/mmu.h +++ b/arch/arc/include/asm/mmu.h @@ -40,6 +40,10 @@ #define ARC_REG_SCRATCH_DATA0 0x46c #endif +#if defined(CONFIG_ISA_ARCV2) || !defined(CONFIG_SMP) +#define ARC_USE_SCRATCH_REG +#endif + /* Bits in MMU PID register */ #define __TLB_ENABLE (1 << 31) #define __PROG_ENABLE (1 << 30) @@ -63,6 +67,8 @@ #if (CONFIG_ARC_MMU_VER >= 2) #define TLBWriteNI 0x5 /* write JTLB without inv uTLBs */ #define TLBIVUTLB 0x6 /* explicitly inv uTLBs */ +#else +#define TLBWriteNI TLBWrite /* Not present in hardware, fallback */ #endif #if (CONFIG_ARC_MMU_VER >= 4) |