diff --git a/Config.in b/Config.in
index e0afbf09d2..47a7d66616 100644
--- a/Config.in
+++ b/Config.in
@@ -74,6 +74,8 @@ config BR2_sa1100
 	bool "sa1100"
 config BR2_xscale
 	bool "xscale"
+config BR2_IWMMXT
+	bool "iwmmxt"
 endchoice
 
 config BR2_ARM_TYPE
@@ -88,6 +90,7 @@ config BR2_ARM_TYPE
 	default ARM_SA110	if BR2_sa110
 	default ARM_SA1100	if BR2_sa1100
 	default ARM_XSCALE	if BR2_xscale
+	default ARM_IWMMXT	if BR2_IWMMXT
 	default GENERIC_ARM	if BR2_generic_arm
 
 choice