diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index 6af4b84..c1777df 100644
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -136,6 +136,14 @@
 #define  LPDDR2_DATA2_IOCTRL_VALUE   0x20000294
 #define  LPDDR2_DATA3_IOCTRL_VALUE   0x20000294
 
+#define  DDR3_ADDRCTRL_WD0_IOCTRL_VALUE 0x00000000
+#define  DDR3_ADDRCTRL_WD1_IOCTRL_VALUE 0x00000000
+#define  DDR3_ADDRCTRL_IOCTRL_VALUE   0x84
+#define  DDR3_DATA0_IOCTRL_VALUE   0x84
+#define  DDR3_DATA1_IOCTRL_VALUE   0x84
+#define  DDR3_DATA2_IOCTRL_VALUE   0x84
+#define  DDR3_DATA3_IOCTRL_VALUE   0x84
+
 /**
  * Configure DMM
  */
diff --git a/arch/arm/include/asm/arch-am33xx/gpio.h b/arch/arm/include/asm/arch-am33xx/gpio.h
index 13a047fd..a1ffd49 100644
--- a/arch/arm/include/asm/arch-am33xx/gpio.h
+++ b/arch/arm/include/asm/arch-am33xx/gpio.h
@@ -13,4 +13,16 @@
 #define AM33XX_GPIO2_BASE       0x481AC000
 #define AM33XX_GPIO3_BASE       0x481AE000
 
+#define GPIO_22			22
+
+/* GPIO CTRL register */
+#define GPIO_CTRL_DISABLEMODULE_SHIFT	0
+#define GPIO_CTRL_DISABLEMODULE_MASK	(1 << 0)
+#define GPIO_CTRL_ENABLEMODULE		GPIO_CTRL_DISABLEMODULE_MASK
+
+/* GPIO OUTPUT ENABLE register */
+#define GPIO_OE_ENABLE(x)		(1 << x)
+
+/* GPIO SETDATAOUT register */
+#define GPIO_SETDATAOUT(x)		(1 << x)
 #endif /* _GPIO_AM33xx_H */
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index e68c113..45668ca 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -1160,6 +1160,20 @@
 		>> EMIF_REG_MAJOR_REVISION_SHIFT;
 }
 
+/*
+ * Get SDRAM type connected to EMIF.
+ * Assuming similar SDRAM parts are connected to both EMIF's
+ * which is typically the case. So it is sufficient to get
+ * SDRAM type from EMIF1.
+ */
+static inline u32 emif_sdram_type(void)
+{
+	struct emif_reg_struct *emif = (struct emif_reg_struct *)EMIF1_BASE;
+
+	return (readl(&emif->emif_sdram_config) &
+		EMIF_REG_SDRAM_TYPE_MASK) >> EMIF_REG_SDRAM_TYPE_SHIFT;
+}
+
 /* assert macros */
 #if defined(DEBUG)
 #define emif_assert(c)	({ if (!(c)) for (;;); })