X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=arch%2Farc%2Finclude%2Fasm%2Fmmu.h;h=26b731d32a2b9ccd0d876ed43e61e8d1072be98c;hb=b61c56227bf5a2ca5e146cebcdf50b2e15e4c973;hp=98cadf1a09acfd9a6d4b0ca4900140d4054cef6a;hpb=2ef459167adb5d7cf76df403b4fcf79347056824;p=linux-2.6-microblaze.git

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)