diff --git a/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c b/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
index aa3bc24..8d002de 100644
--- a/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
+++ b/drivers/renesas/common/ddr/ddr_b/boot_init_dram.c
@@ -4147,7 +4147,13 @@
 	}
 
 	/* THCTR Bit6: PONM=0 , Bit0: THSST=0   */
-	data_l = mmio_read_32(THS1_THCTR) & 0xFFFFFFBE;
+	data_l = mmio_read_32(THS1_THCTR);
+	if (data_l & 0x00000040U) {
+		data_l = data_l & 0xFFFFFFBEU;
+	} else {
+		data_l = data_l | BIT(1);
+	}
+
 	mmio_write_32(THS1_THCTR, data_l);
 
 	/* Judge product and cut */
diff --git a/drivers/renesas/common/ddr/ddr_b/boot_init_dram_regdef.h b/drivers/renesas/common/ddr/ddr_b/boot_init_dram_regdef.h
index 56363eb..3cb1975 100644
--- a/drivers/renesas/common/ddr/ddr_b/boot_init_dram_regdef.h
+++ b/drivers/renesas/common/ddr/ddr_b/boot_init_dram_regdef.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2015-2020, Renesas Electronics Corporation.
+ * Copyright (c) 2015-2021, Renesas Electronics Corporation.
  * All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#define RCAR_DDR_VERSION	"rev.0.40"
+#define RCAR_DDR_VERSION	"rev.0.41"
 #define DRAM_CH_CNT		0x04
 #define SLICE_CNT		0x04
 #define CS_CNT			0x02