diff --git a/[refs] b/[refs]
index 55676289161f..e186e1af83c7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7401685242fbcbf4b0660726372c77a88c4af17d
+refs/heads/master: 544cdabe642e5508e784de709530a74d0775d070
diff --git a/trunk/arch/powerpc/mm/init_32.c b/trunk/arch/powerpc/mm/init_32.c
index 27c234fb5118..977cb1ee5e72 100644
--- a/trunk/arch/powerpc/mm/init_32.c
+++ b/trunk/arch/powerpc/mm/init_32.c
@@ -132,6 +132,9 @@ void __init MMU_init(void)
 	/* 601 can only access 16MB at the moment */
 	if (PVR_VER(mfspr(SPRN_PVR)) == 1)
 		__initial_memory_limit = 0x01000000;
+	/* 8xx can only access 8MB at the moment */
+	if (PVR_VER(mfspr(SPRN_PVR)) == 0x50)
+		__initial_memory_limit = 0x00800000;
 
 	/* parse args from command line */
 	MMU_setup();