diff --git a/arch/arm/mach-rockchip/rk3399/Makefile b/arch/arm/mach-rockchip/rk3399/Makefile
index 793ce31c12c553f6568cfee65dbaa773e063cec9..98ebeac340d8ccdebaafa003b3a8127ad21b3ce1 100644
--- a/arch/arm/mach-rockchip/rk3399/Makefile
+++ b/arch/arm/mach-rockchip/rk3399/Makefile
@@ -6,5 +6,4 @@
 
 obj-y += clk_rk3399.o
 obj-y += rk3399.o
-obj-y += sdram_rk3399.o
 obj-y += syscon_rk3399.o
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile
index b09d03c2c9d09bfbdf44d0f7afdebfd5c9139333..bfc016fd5451f4a8a7da2c8796166a84ffe0ea0c 100644
--- a/drivers/ram/rockchip/Makefile
+++ b/drivers/ram/rockchip/Makefile
@@ -5,3 +5,4 @@
 #
 
 obj-$(CONFIG_ROCKCHIP_RK3368) = dmc-rk3368.o
+obj-$(CONFIG_ROCKCHIP_RK3399) = sdram_rk3399.o
diff --git a/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
similarity index 100%
rename from arch/arm/mach-rockchip/rk3399/sdram_rk3399.c
rename to drivers/ram/rockchip/sdram_rk3399.c