diff --git a/[refs] b/[refs]
index bdf3fcff4413..3c2d84a3edb1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 573bff5ab9437b4e59ba9be34a7b08bca5ff054a
+refs/heads/master: c7b66698122796623f1838c0ee6a8e12ec832468
diff --git a/trunk/arch/powerpc/mm/40x_mmu.c b/trunk/arch/powerpc/mm/40x_mmu.c
index 08dfa8e6d86f..65abfcfaaa9e 100644
--- a/trunk/arch/powerpc/mm/40x_mmu.c
+++ b/trunk/arch/powerpc/mm/40x_mmu.c
@@ -84,8 +84,8 @@ void __init MMU_init_hw(void)
 	 * vectors and the kernel live in real-mode.
 	 */
 
-        mtspr(SPRN_DCCR, 0xF0000000);	/* 512 MB of data space at 0x0. */
-        mtspr(SPRN_ICCR, 0xF0000000);	/* 512 MB of instr. space at 0x0. */
+        mtspr(SPRN_DCCR, 0xFFFF0000);	/* 2GByte of data space at 0x0. */
+        mtspr(SPRN_ICCR, 0xFFFF0000);	/* 2GByte of instr. space at 0x0. */
 }
 
 #define LARGE_PAGE_SIZE_16M	(1<<24)