diff --git a/arch/arm/mach-imx/mx7/Makefile b/arch/arm/mach-imx/mx7/Makefile
index d21f87f..ce289c1 100644
--- a/arch/arm/mach-imx/mx7/Makefile
+++ b/arch/arm/mach-imx/mx7/Makefile
@@ -5,7 +5,7 @@
 #
 #
 
-obj-y	:= soc.o clock.o clock_slice.o
+obj-y	:= soc.o clock.o clock_slice.o ddr.o
 
 ifdef CONFIG_ARMV7_PSCI
 obj-y  += psci-mx7.o psci.o