Add DDR3 support for IGEP COM AQUILA/CYGNUS.

These boards uses Samsung K4B2G1646E-BIH9 a 2Gb E-die DDR3 SDRAM.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>

arch/arm/include/asm/arch-am33xx/ddr_defs.h

@@ -117,6 +117,23 @@
 #define MT41J512M8RH125_PHY_WR_DATA		0x74
 #define MT41J512M8RH125_IOCTRL_VALUE		0x18B
 
+/* Samsung K4B2G1646E-BIH9 */
+#define K4B2G1646EBIH9_EMIF_READ_LATENCY	0x06
+#define K4B2G1646EBIH9_EMIF_TIM1		0x0888A39B
+#define K4B2G1646EBIH9_EMIF_TIM2		0x2A04011A
+#define K4B2G1646EBIH9_EMIF_TIM3		0x501F820F
+#define K4B2G1646EBIH9_EMIF_SDCFG		0x61C24AB2
+#define K4B2G1646EBIH9_EMIF_SDREF		0x0000093B
+#define K4B2G1646EBIH9_ZQ_CFG			0x50074BE4
+#define K4B2G1646EBIH9_DLL_LOCK_DIFF		0x1
+#define K4B2G1646EBIH9_RATIO			0x40
+#define K4B2G1646EBIH9_INVERT_CLKOUT		0x1
+#define K4B2G1646EBIH9_RD_DQS			0x3B
+#define K4B2G1646EBIH9_WR_DQS			0x85
+#define K4B2G1646EBIH9_PHY_FIFO_WE		0x100
+#define K4B2G1646EBIH9_PHY_WR_DATA		0xC1
+#define K4B2G1646EBIH9_IOCTRL_VALUE		0x18B
+
 /**
  * Configure DMM
  */