armv8: ls1046ardb: Add LS1046ARDB board support

LS1046ARDB Specification:
-------------------------
Memory subsystem:
 * 8GByte DDR4 SDRAM (64bit bus)
 * 512 Mbyte NAND flash
 * Two 64 Mbyte high-speed SPI flash
 * SD connector to interface with the SD memory card
 * On-board 4G eMMC

Ethernet:
 * Two XFI 10G ports
 * Two SGMII ports
 * Two RGMII ports

PCIe:
 * PCIe1 (SerDes2 Lane0) to miniPCIe slot
 * PCIe2 (SerDes2 Lane1) to x2 PCIe slot
 * PCIe3 (SerDes2 Lane2) to x4 PCIe slot

SATA:
 * SerDes2 Lane3 to SATA port

USB 3.0: one super speed USB 3.0 type A port
	 one Micro-AB port

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1046ardb/cpld.h b/board/freescale/ls1046ardb/cpld.h
new file mode 100644
index 0000000..458da7e
--- /dev/null
+++ b/board/freescale/ls1046ardb/cpld.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2016 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CPLD_H__
+#define __CPLD_H__
+
+/*
+ * CPLD register set of LS1046ARDB board-specific.
+ * CPLD Revision:  V2.1
+ */
+struct cpld_data {
+	u8 cpld_ver;		/* 0x0 - CPLD Major Revision Register */
+	u8 cpld_ver_sub;	/* 0x1 - CPLD Minor Revision Register */
+	u8 pcba_ver;		/* 0x2 - PCBA Revision Register */
+	u8 system_rst;		/* 0x3 - system reset register */
+	u8 soft_mux_on;		/* 0x4 - Switch Control Enable Register */
+	u8 cfg_rcw_src1;	/* 0x5 - RCW Source Location POR Regsiter 1 */
+	u8 cfg_rcw_src2;	/* 0x6 - RCW Source Location POR Regsiter 2 */
+	u8 vbank;		/* 0x7 - QSPI Flash Bank Setting Register */
+	u8 sysclk_sel;		/* 0x8 - System clock POR Register */
+	u8 uart_sel;		/* 0x9 - UART1 Connection Control Register */
+	u8 sd1refclk_sel;	/* 0xA - */
+	u8 rgmii_1588_sel;	/* 0xB - */
+	u8 reg_1588_clk_sel;	/* 0xC - */
+	u8 status_led;		/* 0xD - */
+	u8 global_rst;		/* 0xE - */
+	u8 sd_emmc;             /* 0xF - SD/EMMC Interface Control Regsiter */
+	u8 vdd_en;              /* 0x10 - VDD Voltage Control Enable Register */
+	u8 vdd_sel;             /* 0x11 - VDD Voltage Control Register */
+};
+
+u8 cpld_read(unsigned int reg);
+void cpld_write(unsigned int reg, u8 value);
+void cpld_rev_bit(unsigned char *value);
+
+#define CPLD_READ(reg) cpld_read(offsetof(struct cpld_data, reg))
+#define CPLD_WRITE(reg, value)  \
+	cpld_write(offsetof(struct cpld_data, reg), value)
+
+/* CPLD on IFC */
+#define CPLD_SW_MUX_BANK_SEL	0x40
+#define CPLD_BANK_SEL_MASK	0x07
+#define CPLD_BANK_SEL_ALTBANK	0x04
+#define CPLD_CFG_RCW_SRC_QSPI	0x044
+#define CPLD_CFG_RCW_SRC_SD	0x040
+#endif