diff --git a/package/boot/rbcfg/src/main.c b/package/boot/rbcfg/src/main.c
index b7cf79ffaefe102efacf2bbbdb215d96028b9c30..9aedcc55a87d0bec95cf1bb79117ff30f94db881 100644
--- a/package/boot/rbcfg/src/main.c
+++ b/package/boot/rbcfg/src/main.c
@@ -101,6 +101,10 @@ static const struct rbcfg_value rbcfg_boot_device[] = {
 		RB_BOOT_DEVICE_ETHONCE),
 	CFG_U32("nand", "boot from NAND only",
 		RB_BOOT_DEVICE_NANDONLY),
+	CFG_U32("flash", "boot in flash configuration mode",
+		RB_BOOT_DEVICE_FLASHCFG),
+	CFG_U32("flashnand", "boot in flash configuration mode once, then NAND",
+		RB_BOOT_DEVICE_FLSHONCE),
 };
 
 static const struct rbcfg_value rbcfg_boot_key[] = {
diff --git a/package/boot/rbcfg/src/rbcfg.h b/package/boot/rbcfg/src/rbcfg.h
index 899161a10d3a72c27ddb808cfaf70301ab97448e..864bc821725a46e7021cd86cba3a109ef269bd68 100644
--- a/package/boot/rbcfg/src/rbcfg.h
+++ b/package/boot/rbcfg/src/rbcfg.h
@@ -59,6 +59,8 @@
 #define RB_BOOT_DEVICE_CFCARD	2
 #define RB_BOOT_DEVICE_ETHONCE	3
 #define RB_BOOT_DEVICE_NANDONLY	5
+#define RB_BOOT_DEVICE_FLASHCFG	7
+#define RB_BOOT_DEVICE_FLSHONCE	8
 
 #define RB_BOOT_KEY_ANY		0
 #define RB_BOOT_KEY_DEL		1