diff --git a/arch/powerpc/kernel/cpu_setup_pa6t.S b/arch/powerpc/kernel/cpu_setup_pa6t.S
index 4047be25c4d2e9a4a00639dc12c05dca3362c543..d62cb9cae4e9dcfe5d2834c7b70ea5ad7fe5ee16 100644
--- a/arch/powerpc/kernel/cpu_setup_pa6t.S
+++ b/arch/powerpc/kernel/cpu_setup_pa6t.S
@@ -34,7 +34,7 @@ _GLOBAL(__setup_cpu_pa6t)
 	beqlr
 
 	mfspr	r0,SPRN_HID5
-	ori	r0,r0,0x30
+	ori	r0,r0,0x38
 	mtspr	SPRN_HID5,r0
 
 	mfspr	r0,SPRN_LPCR