diff --git a/arch/arm/mach-uniphier/dram/umc-ld20.c b/arch/arm/mach-uniphier/dram/umc-ld20.c
index 33cd48733b..186a398a60 100644
--- a/arch/arm/mach-uniphier/dram/umc-ld20.c
+++ b/arch/arm/mach-uniphier/dram/umc-ld20.c
@@ -200,9 +200,9 @@ static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq,
 	writel(umc_dataset[freq], dc_base + UMC_DATASET);
 
 	writel(0x00400020, dc_base + UMC_DCCGCTL);
-	writel(0x00000003, dc_base + UMC_ACSCTLA);
+	writel(0x00000003, dc_base + UMC_ACSSETA);
 	writel(0x00000103, dc_base + UMC_FLOWCTLG);
-	writel(0x00010200, dc_base + UMC_ACSSETA);
+	writel(0x00010200, dc_base + UMC_ACSSETB);
 
 	writel(umc_flowctla[freq], dc_base + UMC_FLOWCTLA);
 	writel(0x00004444, dc_base + UMC_FLOWCTLC);
diff --git a/arch/arm/mach-uniphier/dram/umc64-regs.h b/arch/arm/mach-uniphier/dram/umc64-regs.h
index 46e513cd09..1b6a838a4c 100644
--- a/arch/arm/mach-uniphier/dram/umc64-regs.h
+++ b/arch/arm/mach-uniphier/dram/umc64-regs.h
@@ -23,8 +23,8 @@
 #define   UMC_SPCSETB_AREFMD_ARB	(0x0)	/* control by arbitor */
 #define   UMC_SPCSETB_AREFMD_CONT	(0x1)	/* control by DRAMCONT */
 #define   UMC_SPCSETB_AREFMD_REG	(0x2)	/* control by register */
-#define UMC_ACSCTLA		0x000000C0
-#define UMC_ACSSETA		0x000000C4
+#define UMC_ACSSETA		0x000000C0
+#define UMC_ACSSETB		0x000000C4
 #define UMC_MEMCONF0A		0x00000200
 #define UMC_MEMCONF0B		0x00000204
 #define UMC_MEMCONFCH		0x00000240