diff --git a/include/configs/PLU405.h b/include/configs/PLU405.h
index 2e41526afe..955e0a8d8d 100644
--- a/include/configs/PLU405.h
+++ b/include/configs/PLU405.h
@@ -266,10 +266,10 @@
  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  */
 #define CONFIG_SYS_SDRAM_BASE		0x00000000
-#define CONFIG_SYS_FLASH_BASE		0xFFFA0000
-#define CONFIG_SYS_MONITOR_BASE	TEXT_BASE
-#define CONFIG_SYS_MONITOR_LEN		(384 * 1024)	/* Reserve 384kB for Monitor */
-#define CONFIG_SYS_MALLOC_LEN		(384 * 1024)	/* Reserve 384kB for malloc() */
+#define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_MONITOR_BASE
+#define CONFIG_SYS_MONITOR_BASE		TEXT_BASE
+#define CONFIG_SYS_MONITOR_LEN		(~(TEXT_BASE) + 1)
+#define CONFIG_SYS_MALLOC_LEN		(1024 << 10)
 
 /*
  * Environment Variable setup
@@ -427,4 +427,14 @@
 #define CONFIG_SYS_USB_OHCI_SLOT_NAME	"ohci_pci"
 #define CONFIG_USB_STORAGE	1
 
+/*
+ * UBI
+ */
+#define CONFIG_CMD_UBI
+#define CONFIG_RBTREE
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_LZO
+
 #endif	/* __CONFIG_H */