diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index 5d2649e..c2ad877 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -471,6 +471,49 @@
 #define EMIF_REG_DDR_PHY_CTRL_2_SHIFT		0
 #define EMIF_REG_DDR_PHY_CTRL_2_MASK		(0xffffffff << 0)
 
+/*EMIF_READ_WRITE_LEVELING_CONTROL*/
+#define EMIF_REG_RDWRLVLFULL_START_SHIFT	31
+#define EMIF_REG_RDWRLVLFULL_START_MASK		(1 << 31)
+#define EMIF_REG_RDWRLVLINC_PRE_SHIFT		24
+#define EMIF_REG_RDWRLVLINC_PRE_MASK		(0x7F << 24)
+#define EMIF_REG_RDLVLINC_INT_SHIFT		16
+#define EMIF_REG_RDLVLINC_INT_MASK		(0xFF << 16)
+#define EMIF_REG_RDLVLGATEINC_INT_SHIFT		8
+#define EMIF_REG_RDLVLGATEINC_INT_MASK		(0xFF << 8)
+#define EMIF_REG_WRLVLINC_INT_SHIFT		0
+#define EMIF_REG_WRLVLINC_INT_MASK		(0xFF << 0)
+
+/*EMIF_READ_WRITE_LEVELING_RAMP_CONTROL*/
+#define EMIF_REG_RDWRLVL_EN_SHIFT		31
+#define EMIF_REG_RDWRLVL_EN_MASK		(1 << 31)
+#define EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT	24
+#define EMIF_REG_RDWRLVLINC_RMP_PRE_MASK	(0x7F << 24)
+#define EMIF_REG_RDLVLINC_RMP_INT_SHIFT		16
+#define EMIF_REG_RDLVLINC_RMP_INT_MASK		(0xFF << 16)
+#define EMIF_REG_RDLVLGATEINC_RMP_INT_SHIFT	8
+#define EMIF_REG_RDLVLGATEINC_RMP_INT_MASK	(0xFF << 8)
+#define EMIF_REG_WRLVLINC_RMP_INT_SHIFT		0
+#define EMIF_REG_WRLVLINC_RMP_INT_MASK		(0xFF << 0)
+
+/*EMIF_READ_WRITE_LEVELING_RAMP_WINDOW*/
+#define EMIF_REG_RDWRLVLINC_RMP_WIN_SHIFT	0
+#define EMIF_REG_RDWRLVLINC_RMP_WIN_MASK	(0x1FFF << 0)
+
+/*Leveling Fields */
+#define DDR3_WR_LVL_INT		0x73
+#define DDR3_RD_LVL_INT		0x33
+#define DDR3_RD_LVL_GATE_INT	0x59
+#define RD_RW_LVL_INC_PRE	0x0
+#define DDR3_FULL_LVL		(1 << EMIF_REG_RDWRLVL_EN_SHIFT)
+
+#define DDR3_INC_LVL	((DDR3_WR_LVL_INT << EMIF_REG_WRLVLINC_INT_SHIFT)   \
+		| (DDR3_RD_LVL_GATE_INT << EMIF_REG_RDLVLGATEINC_INT_SHIFT) \
+		| (DDR3_RD_LVL_INT << EMIF_REG_RDLVLINC_RMP_INT_SHIFT)      \
+		| (RD_RW_LVL_INC_PRE << EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT))
+
+#define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES	0x0000C1A7
+#define SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES	0x000001A7
+
 /* DMM */
 #define DMM_BASE			0x4E000040
 
@@ -1104,5 +1147,5 @@
 extern u32 *const emif_sizes;
 #endif
 
-
+void config_data_eye_leveling_samples(u32 emif_base);
 #endif