--- arch/arm/dts/rk3399-sdram-ddr3-1600.dtsi.orig	2020-07-06 22:22:53.000000000 +0300
+++ arch/arm/dts/rk3399-sdram-ddr3-1600.dtsi	2021-04-17 08:23:09.095793000 +0300
@@ -4,7 +4,9 @@
  */
 
 &dmc {
-        rockchip,sdram-params = <
+	ddr3-1600 {
+	u-boot,dm-pre-reloc;
+	rockchip,sdram-params = <
 		0x1
 		0xa
 		0x3
@@ -1536,4 +1538,5 @@
 		0x01010000
 		0x00000000
 	>;
+	};
 };