armv8/ls1043aqds: add LS1043AQDS board support

LS1043AQDS Specification:
-------------------------
Memory subsystem:
 * 2GByte DDR4 DIMM
 * 128 Mbyte NOR flash single-chip memory
 * 512 Mbyte NAND flash
 * 16 Mbyte high-speed SPI flash
 * SD connector to interface with the SD memory card

Ethernet:
 * Two RGMII ports
 * XFI 10G port
 * SGMII
 * QSGMII with 4x 1G ports

PCIe: supports Gen 1 and Gen 2

SATA 3.0: one SATA 3.0 port

USB 3.0: two micro AB connector and one type A connector

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Signed-off-by: Hou Zhiqiang <B48286@freescale.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
[York Sun: Add CONFIG_SYS_NS16550=y in defconfig]
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/ls1043aqds/ls1043aqds_qixis.h b/board/freescale/ls1043aqds/ls1043aqds_qixis.h
new file mode 100644
index 0000000..8783be8
--- /dev/null
+++ b/board/freescale/ls1043aqds/ls1043aqds_qixis.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __LS1043AQDS_QIXIS_H__
+#define __LS1043AQDS_QIXIS_H__
+
+/* Definitions of QIXIS Registers for LS1043AQDS */
+
+/* BRDCFG4[4:7] select EC1 and EC2 as a pair */
+#define BRDCFG4_EMISEL_MASK		0xe0
+#define BRDCFG4_EMISEL_SHIFT		5
+
+/* SYSCLK */
+#define QIXIS_SYSCLK_66			0x0
+#define QIXIS_SYSCLK_83			0x1
+#define QIXIS_SYSCLK_100		0x2
+#define QIXIS_SYSCLK_125		0x3
+#define QIXIS_SYSCLK_133		0x4
+#define QIXIS_SYSCLK_150		0x5
+#define QIXIS_SYSCLK_160		0x6
+#define QIXIS_SYSCLK_166		0x7
+#define QIXIS_SYSCLK_64			0x8
+
+/* DDRCLK */
+#define QIXIS_DDRCLK_66			0x0
+#define QIXIS_DDRCLK_100		0x1
+#define QIXIS_DDRCLK_125		0x2
+#define QIXIS_DDRCLK_133		0x3
+
+/* BRDCFG2 - SD clock*/
+#define QIXIS_SDCLK1_100		0x0
+#define QIXIS_SDCLK1_125		0x1
+#define QIXIS_SDCLK1_165		0x2
+#define QIXIS_SDCLK1_100_SP		0x3
+
+#endif