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-rw-r--r--arch/powerpc/kernel/head_64.S9
-rw-r--r--arch/powerpc/platforms/powermac/smp.c2
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index b4bcf5a930f..ebaedafc8e6 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1518,6 +1518,15 @@ _GLOBAL(pmac_secondary_start)
/* turn on 64-bit mode */
bl .enable_64b_mode
+ li r0,0
+ mfspr r3,SPRN_HID4
+ rldimi r3,r0,40,23 /* clear bit 23 (rm_ci) */
+ sync
+ mtspr SPRN_HID4,r3
+ isync
+ sync
+ slbia
+
/* get TOC pointer (real address) */
bl .relative_toc
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 6b0711c15ec..bd8817b00fa 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -53,7 +53,7 @@
#include <asm/pmac_low_i2c.h>
#include <asm/pmac_pfunc.h>
-#define DEBUG
+#undef DEBUG
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)