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-rw-r--r--arch/powerpc/kernel/head_44x.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index c2b9dc4fce5d..22b5d2c459a3 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -368,7 +368,12 @@ interrupt_base:
rlwimi r11,r13,0,26,31 /* Insert static perms */
- rlwinm r11,r11,0,20,15 /* Clear U0-U3 */
+ /*
+ * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added
+ * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see
+ * include/asm-powerpc/pgtable-ppc32.h for details).
+ */
+ rlwinm r11,r11,0,20,10
/* find the TLB index that caused the fault. It has to be here. */
tlbsx r10, 0, r10