1 files changed, 12 insertions, 1 deletions

diff --git a/arch/microblaze/include/asm/mmu.h b/arch/microblaze/include/asm/mmu.h
index 5198de8b1224..1f9edddf7f4b 100644
--- a/arch/microblaze/include/asm/mmu.h
+++ b/arch/microblaze/include/asm/mmu.h
@@ -56,6 +56,12 @@ typedef struct _SEGREG {
 
 extern void _tlbie(unsigned long va);   /* invalidate a TLB entry */
 extern void _tlbia(void);               /* invalidate all TLB entries */
+
+/*
+ * tlb_skip size stores actual number skipped TLBs from TLB0 - every directy TLB
+ * mapping has to increase tlb_skip size.
+ */
+extern u32 tlb_skip;
 #   endif /* __ASSEMBLY__ */
 
 /*
@@ -68,7 +74,12 @@ extern void _tlbia(void);		/* invalidate all TLB entries */
  */
 
 #  define MICROBLAZE_TLB_SIZE 64
-#  define MICROBLAZE_TLB_SKIP 2
+
+/* For cases when you want to skip some TLB entries */
+#  define MICROBLAZE_TLB_SKIP 0
+
+/* Use the last TLB for temporary access to LMB */
+#  define MICROBLAZE_LMB_TLB_ID 63
 
 /*
  * TLB entries are defined by a "high" tag portion and a "low" data