diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c
index fa697c7..5b0454c 100644
--- a/arch/arm/cpu/armv7/am33xx/ddr.c
+++ b/arch/arm/cpu/armv7/am33xx/ddr.c
@@ -89,15 +89,12 @@
 void config_cmd_ctrl(const struct cmd_control *cmd, int nr)
 {
 	writel(cmd->cmd0csratio, &ddr_cmd_reg[nr]->cm0csratio);
-	writel(cmd->cmd0dldiff, &ddr_cmd_reg[nr]->cm0dldiff);
 	writel(cmd->cmd0iclkout, &ddr_cmd_reg[nr]->cm0iclkout);
 
 	writel(cmd->cmd1csratio, &ddr_cmd_reg[nr]->cm1csratio);
-	writel(cmd->cmd1dldiff, &ddr_cmd_reg[nr]->cm1dldiff);
 	writel(cmd->cmd1iclkout, &ddr_cmd_reg[nr]->cm1iclkout);
 
 	writel(cmd->cmd2csratio, &ddr_cmd_reg[nr]->cm2csratio);
-	writel(cmd->cmd2dldiff, &ddr_cmd_reg[nr]->cm2dldiff);
 	writel(cmd->cmd2iclkout, &ddr_cmd_reg[nr]->cm2iclkout);
 }
 
@@ -121,10 +118,6 @@
 			&(ddr_data_reg[nr]+i)->dt0fwsratio0);
 		writel(data->datawrsratio0,
 			&(ddr_data_reg[nr]+i)->dt0wrsratio0);
-		writel(data->datauserank0delay,
-			&(ddr_data_reg[nr]+i)->dt0rdelays0);
-		writel(data->datadldiff0,
-			&(ddr_data_reg[nr]+i)->dt0dldiff0);
 	}
 }
 
diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index f56d1e0..2278358 100644
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -18,7 +18,6 @@
 #define VTP_CTRL_READY		(0x1 << 5)
 #define VTP_CTRL_ENABLE		(0x1 << 6)
 #define VTP_CTRL_START_EN	(0x1)
-#define PHY_DLL_LOCK_DIFF	0x0
 #define DDR_CKE_CTRL_NORMAL	0x1
 #define PHY_EN_DYN_PWRDN	(0x1 << 20)
 
@@ -29,7 +28,6 @@
 #define MT47H128M16RT25E_EMIF_TIM3		0x0000033F
 #define MT47H128M16RT25E_EMIF_SDCFG		0x41805332
 #define MT47H128M16RT25E_EMIF_SDREF		0x0000081a
-#define MT47H128M16RT25E_DLL_LOCK_DIFF		0x0
 #define MT47H128M16RT25E_RATIO			0x80
 #define MT47H128M16RT25E_INVERT_CLKOUT		0x00
 #define MT47H128M16RT25E_RD_DQS			0x12
@@ -38,7 +36,6 @@
 #define MT47H128M16RT25E_PHY_GATELVL		0x00
 #define MT47H128M16RT25E_PHY_WR_DATA		0x40
 #define MT47H128M16RT25E_PHY_FIFO_WE		0x80
-#define MT47H128M16RT25E_PHY_RANK0_DELAY		0x1
 #define MT47H128M16RT25E_IOCTRL_VALUE		0x18B
 
 /* Micron MT41J128M16JT-125 */
@@ -49,7 +46,6 @@
 #define MT41J128MJT125_EMIF_SDCFG		0x61C04AB2
 #define MT41J128MJT125_EMIF_SDREF		0x0000093B
 #define MT41J128MJT125_ZQ_CFG			0x50074BE4
-#define MT41J128MJT125_DLL_LOCK_DIFF		0x1
 #define MT41J128MJT125_RATIO			0x40
 #define MT41J128MJT125_INVERT_CLKOUT		0x1
 #define MT41J128MJT125_RD_DQS			0x3B
@@ -72,7 +68,6 @@
 #define MT41J256M8HX15E_EMIF_SDCFG		0x61C04B32
 #define MT41J256M8HX15E_EMIF_SDREF		0x0000093B
 #define MT41J256M8HX15E_ZQ_CFG			0x50074BE4
-#define MT41J256M8HX15E_DLL_LOCK_DIFF		0x1
 #define MT41J256M8HX15E_RATIO			0x40
 #define MT41J256M8HX15E_INVERT_CLKOUT		0x1
 #define MT41J256M8HX15E_RD_DQS			0x3B
@@ -89,7 +84,6 @@
 #define MT41K256M16HA125E_EMIF_SDCFG		0x61C05332
 #define MT41K256M16HA125E_EMIF_SDREF		0xC30
 #define MT41K256M16HA125E_ZQ_CFG		0x50074BE4
-#define MT41K256M16HA125E_DLL_LOCK_DIFF		0x1
 #define MT41K256M16HA125E_RATIO			0x80
 #define MT41K256M16HA125E_INVERT_CLKOUT		0x0
 #define MT41K256M16HA125E_RD_DQS		0x38
@@ -106,7 +100,6 @@
 #define MT41J512M8RH125_EMIF_SDCFG		0x61C04BB2
 #define MT41J512M8RH125_EMIF_SDREF		0x0000093B
 #define MT41J512M8RH125_ZQ_CFG			0x50074BE4
-#define MT41J512M8RH125_DLL_LOCK_DIFF		0x1
 #define MT41J512M8RH125_RATIO			0x80
 #define MT41J512M8RH125_INVERT_CLKOUT		0x0
 #define MT41J512M8RH125_RD_DQS			0x3B
@@ -123,7 +116,6 @@
 #define K4B2G1646EBIH9_EMIF_SDCFG		0x61C052B2
 #define K4B2G1646EBIH9_EMIF_SDREF		0x00000C30
 #define K4B2G1646EBIH9_ZQ_CFG			0x50074BE4
-#define K4B2G1646EBIH9_DLL_LOCK_DIFF		0x1
 #define K4B2G1646EBIH9_RATIO			0x80
 #define K4B2G1646EBIH9_INVERT_CLKOUT		0x0
 #define K4B2G1646EBIH9_RD_DQS			0x35
@@ -155,18 +147,15 @@
 struct ddr_cmd_regs {
 	unsigned int resv0[7];
 	unsigned int cm0csratio;	/* offset 0x01C */
-	unsigned int resv1[2];
-	unsigned int cm0dldiff;		/* offset 0x028 */
+	unsigned int resv1[3];
 	unsigned int cm0iclkout;	/* offset 0x02C */
 	unsigned int resv2[8];
 	unsigned int cm1csratio;	/* offset 0x050 */
-	unsigned int resv3[2];
-	unsigned int cm1dldiff;		/* offset 0x05C */
+	unsigned int resv3[3];
 	unsigned int cm1iclkout;	/* offset 0x060 */
 	unsigned int resv4[8];
 	unsigned int cm2csratio;	/* offset 0x084 */
-	unsigned int resv5[2];
-	unsigned int cm2dldiff;		/* offset 0x090 */
+	unsigned int resv5[3];
 	unsigned int cm2iclkout;	/* offset 0x094 */
 	unsigned int resv6[3];
 };
@@ -203,24 +192,21 @@
 	unsigned int cm0configclk;	/* offset 0x010 */
 	unsigned int resv1[2];
 	unsigned int cm0csratio;	/* offset 0x01C */
-	unsigned int resv2[2];
-	unsigned int cm0dldiff;		/* offset 0x028 */
+	unsigned int resv2[3];
 	unsigned int cm0iclkout;	/* offset 0x02C */
 	unsigned int resv3[4];
 	unsigned int cm1config;		/* offset 0x040 */
 	unsigned int cm1configclk;	/* offset 0x044 */
 	unsigned int resv4[2];
 	unsigned int cm1csratio;	/* offset 0x050 */
-	unsigned int resv5[2];
-	unsigned int cm1dldiff;		/* offset 0x05C */
+	unsigned int resv5[3];
 	unsigned int cm1iclkout;	/* offset 0x060 */
 	unsigned int resv6[4];
 	unsigned int cm2config;		/* offset 0x074 */
 	unsigned int cm2configclk;	/* offset 0x078 */
 	unsigned int resv7[2];
 	unsigned int cm2csratio;	/* offset 0x084 */
-	unsigned int resv8[2];
-	unsigned int cm2dldiff;		/* offset 0x090 */
+	unsigned int resv8[3];
 	unsigned int cm2iclkout;	/* offset 0x094 */
 	unsigned int resv9[12];
 	unsigned int dt0rdsratio0;	/* offset 0x0C8 */
@@ -249,17 +235,14 @@
 	unsigned long cmd0csratio;
 	unsigned long cmd0csforce;
 	unsigned long cmd0csdelay;
-	unsigned long cmd0dldiff;
 	unsigned long cmd0iclkout;
 	unsigned long cmd1csratio;
 	unsigned long cmd1csforce;
 	unsigned long cmd1csdelay;
-	unsigned long cmd1dldiff;
 	unsigned long cmd1iclkout;
 	unsigned long cmd2csratio;
 	unsigned long cmd2csforce;
 	unsigned long cmd2csdelay;
-	unsigned long cmd2dldiff;
 	unsigned long cmd2iclkout;
 };
 
@@ -273,8 +256,6 @@
 	unsigned long datagiratio0;
 	unsigned long datafwsratio0;
 	unsigned long datawrsratio0;
-	unsigned long datauserank0delay;
-	unsigned long datadldiff0;
 };
 
 /**