diff --git a/[refs] b/[refs]
index 7e2fcd84ec94..0de35b4aac50 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c1b14a7545e26fc08ea524b58ac590304484ce4f
+refs/heads/master: 659da2ba3ebf53dc49f7f9a357a1aef046bf3139
diff --git a/trunk/arch/mips/loongson/common/mem.c b/trunk/arch/mips/loongson/common/mem.c
index e94ef158f980..3f7f153b1974 100644
--- a/trunk/arch/mips/loongson/common/mem.c
+++ b/trunk/arch/mips/loongson/common/mem.c
@@ -12,14 +12,22 @@
 
 #include <loongson.h>
 #include <mem.h>
+#include <pci.h>
 
 void __init prom_init_memory(void)
 {
     add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
+
+    add_memory_region(memsize << 20, LOONGSON_PCI_MEM_START - (memsize <<
+			    20), BOOT_MEM_RESERVED);
 #ifdef CONFIG_64BIT
     if (highmemsize > 0)
 	add_memory_region(LOONGSON_HIGHMEM_START,
 		highmemsize << 20, BOOT_MEM_RAM);
+
+    add_memory_region(LOONGSON_PCI_MEM_END + 1, LOONGSON_HIGHMEM_START -
+		    LOONGSON_PCI_MEM_END - 1, BOOT_MEM_RESERVED);
+
 #endif /* CONFIG_64BIT */
 }