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Diffstat (limited to 'arch/powerpc/kernel/misc_32.S')
-rw-r--r--arch/powerpc/kernel/misc_32.S54
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 7a6dfbca768..e9c8ab6eabf 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -274,6 +274,10 @@ _GLOBAL(real_writeb)
/*
* Flush MMU TLB
*/
+#ifndef CONFIG_FSL_BOOKE
+_GLOBAL(_tlbil_all)
+_GLOBAL(_tlbil_pid)
+#endif
_GLOBAL(_tlbia)
#if defined(CONFIG_40x)
sync /* Flush to memory before changing mapping */
@@ -344,6 +348,9 @@ _GLOBAL(_tlbia)
/*
* Flush MMU TLB for a particular address
*/
+#ifndef CONFIG_FSL_BOOKE
+_GLOBAL(_tlbil_va)
+#endif
_GLOBAL(_tlbie)
#if defined(CONFIG_40x)
/* We run the search with interrupts disabled because we have to change
@@ -436,6 +443,53 @@ _GLOBAL(_tlbie)
#endif /* ! CONFIG_40x */
blr
+#if defined(CONFIG_FSL_BOOKE)
+/*
+ * Flush MMU TLB, but only on the local processor (no broadcast)
+ */
+_GLOBAL(_tlbil_all)
+#define MMUCSR0_TLBFI (MMUCSR0_TLB0FI | MMUCSR0_TLB1FI | \
+ MMUCSR0_TLB2FI | MMUCSR0_TLB3FI)
+ li r3,(MMUCSR0_TLBFI)@l
+ mtspr SPRN_MMUCSR0, r3
+1:
+ mfspr r3,SPRN_MMUCSR0
+ andi. r3,r3,MMUCSR0_TLBFI@l
+ bne 1b
+ blr
+
+/*
+ * Flush MMU TLB for a particular process id, but only on the local processor
+ * (no broadcast)
+ */
+_GLOBAL(_tlbil_pid)
+/* we currently do an invalidate all since we don't have per pid invalidate */
+ li r3,(MMUCSR0_TLBFI)@l
+ mtspr SPRN_MMUCSR0, r3
+1:
+ mfspr r3,SPRN_MMUCSR0
+ andi. r3,r3,MMUCSR0_TLBFI@l
+ bne 1b
+ blr
+
+/*
+ * Flush MMU TLB for a particular address, but only on the local processor
+ * (no broadcast)
+ */
+_GLOBAL(_tlbil_va)
+ slwi r4,r4,16
+ mtspr SPRN_MAS6,r4 /* assume AS=0 for now */
+ tlbsx 0,r3
+ mfspr r4,SPRN_MAS1 /* check valid */
+ andis. r3,r4,MAS1_VALID@h
+ beqlr
+ rlwinm r4,r4,0,1,31
+ mtspr SPRN_MAS1,r4
+ tlbwe
+ blr
+#endif /* CONFIG_FSL_BOOKE */
+
+
/*
* Flush instruction cache.
* This is a no-op on the 601.