rockchip: arm64: rk3399: add ddr controller driver
RK3399 support DDR3, LPDDR3, DDR4 sdram, this patch is porting from
coreboot, support 4GB lpddr3 in this version.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Added rockchip: tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-rockchip/rk3399/Makefile b/arch/arm/mach-rockchip/rk3399/Makefile
index 98ebeac..793ce31 100644
--- a/arch/arm/mach-rockchip/rk3399/Makefile
+++ b/arch/arm/mach-rockchip/rk3399/Makefile
@@ -6,4 +6,5 @@
obj-y += clk_rk3399.o
obj-y += rk3399.o
+obj-y += sdram_rk3399.o
obj-y += syscon_rk3399.o