diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index f5c99fea8b3..8027b53636a 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -66,6 +66,7 @@ struct sdram_base_params {
  * [1:0]	dbw_ch0
 */
 #define SYS_REG_DDRTYPE_SHIFT		13
+#define DDR_SYS_REG_VERSION		2
 #define SYS_REG_DDRTYPE_MASK		7
 #define SYS_REG_NUM_CH_SHIFT		12
 #define SYS_REG_NUM_CH_MASK		1
@@ -99,6 +100,7 @@ struct sdram_base_params {
 #define SYS_REG_DBW_MASK		3
 #define SYS_REG_ENC_DBW(n, ch)		((2 >> (n)) << SYS_REG_DBW_SHIFT(ch))
 
+#define SYS_REG_ENC_VERSION(n)		((n) << 28)
 #define SYS_REG_ENC_CS0_ROW(n, os_reg2, os_reg3, ch) do { \
 			(os_reg2) |= (((n) - 13) & 0x3) << (6 + 16 * (ch)); \
 			(os_reg3) |= ((((n) - 13) & 0x4) >> 2) << \
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index fed9f948408..750219921bb 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1102,6 +1102,7 @@ static void dram_all_config(struct dram_info *dram,
 			SYS_REG_ENC_CS1_ROW(info->cap_info.cs1_row, sys_reg2,
 					    sys_reg3, channel);
 		sys_reg3 |= SYS_REG_ENC_CS1_COL(info->cap_info.col, channel);
+		sys_reg3 |= SYS_REG_ENC_VERSION(DDR_SYS_REG_VERSION);
 
 		ddr_msch_regs = dram->chan[channel].msch;
 		noc_timing = &params->ch[channel].noc_timings;