[U-Boot,v2] ARM: zynq: Add support for SYZYGY Hub board

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 762429c..1a6a8ff 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -135,7 +135,8 @@  dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb \
 	zynq-zc770-xm010.dtb \
 	zynq-zc770-xm011.dtb \
 	zynq-zc770-xm012.dtb \
-	zynq-zc770-xm013.dtb
+	zynq-zc770-xm013.dtb \
+	zynq-syzygy-hub.dtb
 dtb-$(CONFIG_ARCH_ZYNQMP) += \
 	zynqmp-ep108.dtb			\
 	zynqmp-zcu102-revA.dtb			\
diff --git a/arch/arm/dts/zynq-syzygy-hub.dts b/arch/arm/dts/zynq-syzygy-hub.dts
new file mode 100644
index 0000000..ebd08b4
--- /dev/null
+++ b/arch/arm/dts/zynq-syzygy-hub.dts
@@ -0,0 +1,72 @@ 
+/*
+ * SYZYGY Hub DTS
+ *
+ *  Copyright (C) 2011 - 2015 Xilinx
+ *  Copyright (C) 2017 Opal Kelly Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+/dts-v1/;
+/include/ "zynq-7000.dtsi"
+
+/ {
+	model = "SYZYGY Hub";
+	compatible = "opalkelly,syzygy-hub", "xlnx,zynq-7000";
+
+	aliases {
+		ethernet0 = &gem0;
+		serial0 = &uart0;
+		mmc0 = &sdhci0;
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x40000000>;
+	};
+
+	chosen {
+		bootargs = "";
+		stdout-path = "serial0:115200n8";
+	};
+
+	usb_phy0: phy0 {
+		#phy-cells = <0>;
+		compatible = "usb-nop-xceiv";
+		reset-gpios = <&gpio0 47 1>;
+	};
+};
+
+&clkc {
+	ps-clk-frequency = <50000000>;
+};
+
+&gem0 {
+	status = "okay";
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethernet_phy>;
+
+	ethernet_phy: ethernet-phy@0 {
+		reg = <0>;
+		device_type = "ethernet-phy";
+	};
+};
+
+&i2c1 {
+	status = "okay";
+};
+
+&sdhci0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&uart0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+	dr_mode = "otg";
+	usb-phy = <&usb_phy0>;
+};
diff --git a/board/opalkelly/zynq/MAINTAINERS b/board/opalkelly/zynq/MAINTAINERS
new file mode 100644
index 0000000..df4b9b6
--- /dev/null
+++ b/board/opalkelly/zynq/MAINTAINERS
@@ -0,0 +1,6 @@ 
+ZYNQ BOARD
+M:	Tom McLeod <tom.mcleod@opalkelly.com>
+S:	Maintained
+F:	board/opalkelly/zynq/
+F:	include/configs/syzygy_hub.h
+F:	configs/syzygy_hub_defconfig
diff --git a/board/opalkelly/zynq/Makefile b/board/opalkelly/zynq/Makefile
new file mode 100644
index 0000000..09fc788
--- /dev/null
+++ b/board/opalkelly/zynq/Makefile
@@ -0,0 +1,9 @@ 
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y	:= board.o
+
+hw-platform-y :=$(shell echo $(CONFIG_DEFAULT_DEVICE_TREE))
+
+obj-$(CONFIG_SPL_BUILD) += $(hw-platform-y)/ps7_init_gpl.o
diff --git a/board/opalkelly/zynq/board.c b/board/opalkelly/zynq/board.c
new file mode 100644
index 0000000..a95c9d1
--- /dev/null
+++ b/board/opalkelly/zynq/board.c
@@ -0,0 +1 @@ 
+#include "../../xilinx/zynq/board.c"
diff --git a/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.c b/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.c
new file mode 100644
index 0000000..7ae0475
--- /dev/null
+++ b/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.c
@@ -0,0 +1,431 @@ 
+/******************************************************************************
+* (c) Copyright 2010-2014 Xilinx, Inc. All rights reserved.
+* (c) Copyright 2017 Opal Kelly Inc.
+*
+* SPDX-License-Identifier: GPL-2.0+
+ *****************************************************************************/
+
+#include "ps7_init_gpl.h"
+#include "asm/io.h"
+
+unsigned long ps7_pll_init_data_3_0[] = {
+	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
+	EMIT_MASKWRITE(0XF8000110, 0x003FFFF0U, 0x001772C0U),
+	EMIT_MASKWRITE(0XF8000100, 0x0007F000U, 0x0001A000U),
+	EMIT_MASKWRITE(0XF8000100, 0x00000010U, 0x00000010U),
+	EMIT_MASKWRITE(0XF8000100, 0x00000001U, 0x00000001U),
+	EMIT_MASKWRITE(0XF8000100, 0x00000001U, 0x00000000U),
+	EMIT_MASKPOLL(0XF800010C, 0x00000001U),
+	EMIT_MASKWRITE(0XF8000100, 0x00000010U, 0x00000000U),
+	EMIT_MASKWRITE(0XF8000120, 0x1F003F30U, 0x1F000200U),
+	EMIT_MASKWRITE(0XF8000114, 0x003FFFF0U, 0x001DB2C0U),
+	EMIT_MASKWRITE(0XF8000104, 0x0007F000U, 0x00015000U),
+	EMIT_MASKWRITE(0XF8000104, 0x00000010U, 0x00000010U),
+	EMIT_MASKWRITE(0XF8000104, 0x00000001U, 0x00000001U),
+	EMIT_MASKWRITE(0XF8000104, 0x00000001U, 0x00000000U),
+	EMIT_MASKPOLL(0XF800010C, 0x00000002U),
+	EMIT_MASKWRITE(0XF8000104, 0x00000010U, 0x00000000U),
+	EMIT_MASKWRITE(0XF8000124, 0xFFF00003U, 0x0C200003U),
+	EMIT_MASKWRITE(0XF8000118, 0x003FFFF0U, 0x001F42C0U),
+	EMIT_MASKWRITE(0XF8000108, 0x0007F000U, 0x00014000U),
+	EMIT_MASKWRITE(0XF8000108, 0x00000010U, 0x00000010U),
+	EMIT_MASKWRITE(0XF8000108, 0x00000001U, 0x00000001U),
+	EMIT_MASKWRITE(0XF8000108, 0x00000001U, 0x00000000U),
+	EMIT_MASKPOLL(0XF800010C, 0x00000004U),
+	EMIT_MASKWRITE(0XF8000108, 0x00000010U, 0x00000000U),
+	EMIT_WRITE(0XF8000004, 0x0000767BU),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_clock_init_data_3_0[] = {
+	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
+	EMIT_MASKWRITE(0XF8000128, 0x03F03F01U, 0x00203401U),
+	EMIT_MASKWRITE(0XF8000138, 0x00000011U, 0x00000001U),
+	EMIT_MASKWRITE(0XF8000140, 0x03F03F71U, 0x00100801U),
+	EMIT_MASKWRITE(0XF800014C, 0x00003F31U, 0x00000501U),
+	EMIT_MASKWRITE(0XF8000150, 0x00003F33U, 0x00000A01U),
+	EMIT_MASKWRITE(0XF8000154, 0x00003F33U, 0x00000A01U),
+	EMIT_MASKWRITE(0XF8000168, 0x00003F31U, 0x00000501U),
+	EMIT_MASKWRITE(0XF8000170, 0x03F03F30U, 0x00400500U),
+	EMIT_MASKWRITE(0XF80001C4, 0x00000001U, 0x00000001U),
+	EMIT_MASKWRITE(0XF800012C, 0x01FFCCCDU, 0x01DC044DU),
+	EMIT_WRITE(0XF8000004, 0x0000767BU),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_ddr_init_data_3_0[] = {
+	EMIT_MASKWRITE(0XF8006000, 0x0001FFFFU, 0x00000080U),
+	EMIT_MASKWRITE(0XF8006004, 0x0007FFFFU, 0x00001081U),
+	EMIT_MASKWRITE(0XF8006008, 0x03FFFFFFU, 0x03C0780FU),
+	EMIT_MASKWRITE(0XF800600C, 0x03FFFFFFU, 0x02001001U),
+	EMIT_MASKWRITE(0XF8006010, 0x03FFFFFFU, 0x00014001U),
+	EMIT_MASKWRITE(0XF8006014, 0x001FFFFFU, 0x0004281AU),
+	EMIT_MASKWRITE(0XF8006018, 0xF7FFFFFFU, 0x44E458D2U),
+	EMIT_MASKWRITE(0XF800601C, 0xFFFFFFFFU, 0x720238E5U),
+	EMIT_MASKWRITE(0XF8006020, 0x7FDFFFFCU, 0x270872D0U),
+	EMIT_MASKWRITE(0XF8006024, 0x0FFFFFC3U, 0x00000000U),
+	EMIT_MASKWRITE(0XF8006028, 0x00003FFFU, 0x00002007U),
+	EMIT_MASKWRITE(0XF800602C, 0xFFFFFFFFU, 0x00000008U),
+	EMIT_MASKWRITE(0XF8006030, 0xFFFFFFFFU, 0x00040930U),
+	EMIT_MASKWRITE(0XF8006034, 0x13FF3FFFU, 0x000116D4U),
+	EMIT_MASKWRITE(0XF8006038, 0x00000003U, 0x00000000U),
+	EMIT_MASKWRITE(0XF800603C, 0x000FFFFFU, 0x00000777U),
+	EMIT_MASKWRITE(0XF8006040, 0xFFFFFFFFU, 0xFFF00000U),
+	EMIT_MASKWRITE(0XF8006044, 0x0FFFFFFFU, 0x0F666666U),
+	EMIT_MASKWRITE(0XF8006048, 0x0003F03FU, 0x0003C008U),
+	EMIT_MASKWRITE(0XF8006050, 0xFF0F8FFFU, 0x77010800U),
+	EMIT_MASKWRITE(0XF8006058, 0x00010000U, 0x00000000U),
+	EMIT_MASKWRITE(0XF800605C, 0x0000FFFFU, 0x00005003U),
+	EMIT_MASKWRITE(0XF8006060, 0x000017FFU, 0x0000003EU),
+	EMIT_MASKWRITE(0XF8006064, 0x00021FE0U, 0x00020000U),
+	EMIT_MASKWRITE(0XF8006068, 0x03FFFFFFU, 0x00284141U),
+	EMIT_MASKWRITE(0XF800606C, 0x0000FFFFU, 0x00001610U),
+	EMIT_MASKWRITE(0XF8006078, 0x03FFFFFFU, 0x00466111U),
+	EMIT_MASKWRITE(0XF800607C, 0x000FFFFFU, 0x00032222U),
+	EMIT_MASKWRITE(0XF80060A4, 0xFFFFFFFFU, 0x10200802U),
+	EMIT_MASKWRITE(0XF80060A8, 0x0FFFFFFFU, 0x0690CB73U),
+	EMIT_MASKWRITE(0XF80060AC, 0x000001FFU, 0x000001FEU),
+	EMIT_MASKWRITE(0XF80060B0, 0x1FFFFFFFU, 0x1CFFFFFFU),
+	EMIT_MASKWRITE(0XF80060B4, 0x00000200U, 0x00000200U),
+	EMIT_MASKWRITE(0XF80060B8, 0x01FFFFFFU, 0x00200066U),
+	EMIT_MASKWRITE(0XF80060C4, 0x00000003U, 0x00000000U),
+	EMIT_MASKWRITE(0XF80060C8, 0x000000FFU, 0x00000000U),
+	EMIT_MASKWRITE(0XF80060DC, 0x00000001U, 0x00000000U),
+	EMIT_MASKWRITE(0XF80060F0, 0x0000FFFFU, 0x00000000U),
+	EMIT_MASKWRITE(0XF80060F4, 0x0000000FU, 0x00000008U),
+	EMIT_MASKWRITE(0XF8006114, 0x000000FFU, 0x00000000U),
+	EMIT_MASKWRITE(0XF8006118, 0x7FFFFFCFU, 0x40000001U),
+	EMIT_MASKWRITE(0XF800611C, 0x7FFFFFCFU, 0x40000001U),
+	EMIT_MASKWRITE(0XF8006120, 0x7FFFFFCFU, 0x40000001U),
+	EMIT_MASKWRITE(0XF8006124, 0x7FFFFFCFU, 0x40000001U),
+	EMIT_MASKWRITE(0XF800612C, 0x000FFFFFU, 0x00029000U),
+	EMIT_MASKWRITE(0XF8006130, 0x000FFFFFU, 0x00029000U),
+	EMIT_MASKWRITE(0XF8006134, 0x000FFFFFU, 0x00029000U),
+	EMIT_MASKWRITE(0XF8006138, 0x000FFFFFU, 0x00029000U),
+	EMIT_MASKWRITE(0XF8006140, 0x000FFFFFU, 0x00000035U),
+	EMIT_MASKWRITE(0XF8006144, 0x000FFFFFU, 0x00000035U),
+	EMIT_MASKWRITE(0XF8006148, 0x000FFFFFU, 0x00000035U),
+	EMIT_MASKWRITE(0XF800614C, 0x000FFFFFU, 0x00000035U),
+	EMIT_MASKWRITE(0XF8006154, 0x000FFFFFU, 0x00000080U),
+	EMIT_MASKWRITE(0XF8006158, 0x000FFFFFU, 0x00000080U),
+	EMIT_MASKWRITE(0XF800615C, 0x000FFFFFU, 0x00000080U),
+	EMIT_MASKWRITE(0XF8006160, 0x000FFFFFU, 0x00000080U),
+	EMIT_MASKWRITE(0XF8006168, 0x001FFFFFU, 0x000000F9U),
+	EMIT_MASKWRITE(0XF800616C, 0x001FFFFFU, 0x000000F9U),
+	EMIT_MASKWRITE(0XF8006170, 0x001FFFFFU, 0x000000F9U),
+	EMIT_MASKWRITE(0XF8006174, 0x001FFFFFU, 0x000000F9U),
+	EMIT_MASKWRITE(0XF800617C, 0x000FFFFFU, 0x000000C0U),
+	EMIT_MASKWRITE(0XF8006180, 0x000FFFFFU, 0x000000C0U),
+	EMIT_MASKWRITE(0XF8006184, 0x000FFFFFU, 0x000000C0U),
+	EMIT_MASKWRITE(0XF8006188, 0x000FFFFFU, 0x000000C0U),
+	EMIT_MASKWRITE(0XF8006190, 0x6FFFFEFEU, 0x00040080U),
+	EMIT_MASKWRITE(0XF8006194, 0x000FFFFFU, 0x0001FC82U),
+	EMIT_MASKWRITE(0XF8006204, 0xFFFFFFFFU, 0x00000000U),
+	EMIT_MASKWRITE(0XF8006208, 0x000703FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF800620C, 0x000703FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF8006210, 0x000703FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF8006214, 0x000703FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF8006218, 0x000F03FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF800621C, 0x000F03FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF8006220, 0x000F03FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF8006224, 0x000F03FFU, 0x000003FFU),
+	EMIT_MASKWRITE(0XF80062A8, 0x00000FF5U, 0x00000000U),
+	EMIT_MASKWRITE(0XF80062AC, 0xFFFFFFFFU, 0x00000000U),
+	EMIT_MASKWRITE(0XF80062B0, 0x003FFFFFU, 0x00005125U),
+	EMIT_MASKWRITE(0XF80062B4, 0x0003FFFFU, 0x000012A8U),
+	EMIT_MASKPOLL(0XF8000B74, 0x00002000U),
+	EMIT_MASKWRITE(0XF8006000, 0x0001FFFFU, 0x00000081U),
+	EMIT_MASKPOLL(0XF8006054, 0x00000007U),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_mio_init_data_3_0[] = {
+	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
+	EMIT_MASKWRITE(0XF8000B40, 0x00000FFFU, 0x00000600U),
+	EMIT_MASKWRITE(0XF8000B44, 0x00000FFFU, 0x00000600U),
+	EMIT_MASKWRITE(0XF8000B48, 0x00000FFFU, 0x00000672U),
+	EMIT_MASKWRITE(0XF8000B4C, 0x00000FFFU, 0x00000672U),
+	EMIT_MASKWRITE(0XF8000B50, 0x00000FFFU, 0x00000674U),
+	EMIT_MASKWRITE(0XF8000B54, 0x00000FFFU, 0x00000674U),
+	EMIT_MASKWRITE(0XF8000B58, 0x00000FFFU, 0x00000600U),
+	EMIT_MASKWRITE(0XF8000B5C, 0xFFFFFFFFU, 0x0018C61CU),
+	EMIT_MASKWRITE(0XF8000B60, 0xFFFFFFFFU, 0x00F9861CU),
+	EMIT_MASKWRITE(0XF8000B64, 0xFFFFFFFFU, 0x00F9861CU),
+	EMIT_MASKWRITE(0XF8000B68, 0xFFFFFFFFU, 0x00F9861CU),
+	EMIT_MASKWRITE(0XF8000B6C, 0x00007FFFU, 0x00000260U),
+	EMIT_MASKWRITE(0XF8000B70, 0x00000001U, 0x00000001U),
+	EMIT_MASKWRITE(0XF8000B70, 0x00000021U, 0x00000020U),
+	EMIT_MASKWRITE(0XF8000B70, 0x07FEFFFFU, 0x00000823U),
+	EMIT_MASKWRITE(0XF8000700, 0x00003FFFU, 0x00001600U),
+	EMIT_MASKWRITE(0XF8000704, 0x00003FFFU, 0x00001602U),
+	EMIT_MASKWRITE(0XF8000708, 0x00003FFFU, 0x00000602U),
+	EMIT_MASKWRITE(0XF800070C, 0x00003FFFU, 0x00000602U),
+	EMIT_MASKWRITE(0XF8000710, 0x00003FFFU, 0x00000602U),
+	EMIT_MASKWRITE(0XF8000714, 0x00003FFFU, 0x00000602U),
+	EMIT_MASKWRITE(0XF8000718, 0x00003FFFU, 0x00000602U),
+	EMIT_MASKWRITE(0XF800071C, 0x00003FFFU, 0x00000600U),
+	EMIT_MASKWRITE(0XF8000720, 0x00003FFFU, 0x00000600U),
+	EMIT_MASKWRITE(0XF8000724, 0x00003FFFU, 0x00001600U),
+	EMIT_MASKWRITE(0XF8000728, 0x00003FFFU, 0x00001600U),
+	EMIT_MASKWRITE(0XF800072C, 0x00003FFFU, 0x00001600U),
+	EMIT_MASKWRITE(0XF8000730, 0x00003FFFU, 0x00001640U),
+	EMIT_MASKWRITE(0XF8000734, 0x00003FFFU, 0x00001640U),
+	EMIT_MASKWRITE(0XF8000738, 0x00003FFFU, 0x000016E1U),
+	EMIT_MASKWRITE(0XF800073C, 0x00003FFFU, 0x000016E0U),
+	EMIT_MASKWRITE(0XF8000740, 0x00003FFFU, 0x00001202U),
+	EMIT_MASKWRITE(0XF8000744, 0x00003FFFU, 0x00001202U),
+	EMIT_MASKWRITE(0XF8000748, 0x00003FFFU, 0x00001202U),
+	EMIT_MASKWRITE(0XF800074C, 0x00003FFFU, 0x00001202U),
+	EMIT_MASKWRITE(0XF8000750, 0x00003FFFU, 0x00001202U),
+	EMIT_MASKWRITE(0XF8000754, 0x00003FFFU, 0x00001202U),
+	EMIT_MASKWRITE(0XF8000758, 0x00003FFFU, 0x00001203U),
+	EMIT_MASKWRITE(0XF800075C, 0x00003FFFU, 0x00001203U),
+	EMIT_MASKWRITE(0XF8000760, 0x00003FFFU, 0x00001203U),
+	EMIT_MASKWRITE(0XF8000764, 0x00003FFFU, 0x00001203U),
+	EMIT_MASKWRITE(0XF8000768, 0x00003FFFU, 0x00001203U),
+	EMIT_MASKWRITE(0XF800076C, 0x00003FFFU, 0x00001203U),
+	EMIT_MASKWRITE(0XF8000770, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF8000774, 0x00003FFFU, 0x00001205U),
+	EMIT_MASKWRITE(0XF8000778, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF800077C, 0x00003FFFU, 0x00001205U),
+	EMIT_MASKWRITE(0XF8000780, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF8000784, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF8000788, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF800078C, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF8000790, 0x00003FFFU, 0x00001205U),
+	EMIT_MASKWRITE(0XF8000794, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF8000798, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF800079C, 0x00003FFFU, 0x00001204U),
+	EMIT_MASKWRITE(0XF80007A0, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007A4, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007A8, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007AC, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007B0, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007B4, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007B8, 0x00003F01U, 0x00001201U),
+	EMIT_MASKWRITE(0XF80007BC, 0x00003FFFU, 0x00001200U),
+	EMIT_MASKWRITE(0XF80007C0, 0x00003FFFU, 0x00001200U),
+	EMIT_MASKWRITE(0XF80007C4, 0x00003FFFU, 0x00001200U),
+	EMIT_MASKWRITE(0XF80007C8, 0x00003FFFU, 0x00001200U),
+	EMIT_MASKWRITE(0XF80007CC, 0x00003FFFU, 0x00001200U),
+	EMIT_MASKWRITE(0XF80007D0, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF80007D4, 0x00003FFFU, 0x00001280U),
+	EMIT_MASKWRITE(0XF8000830, 0x003F003FU, 0x002E0037U),
+	EMIT_WRITE(0XF8000004, 0x0000767BU),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_peripherals_init_data_3_0[] = {
+	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
+	EMIT_MASKWRITE(0XF8000B48, 0x00000180U, 0x00000180U),
+	EMIT_MASKWRITE(0XF8000B4C, 0x00000180U, 0x00000180U),
+	EMIT_MASKWRITE(0XF8000B50, 0x00000180U, 0x00000180U),
+	EMIT_MASKWRITE(0XF8000B54, 0x00000180U, 0x00000180U),
+	EMIT_WRITE(0XF8000004, 0x0000767BU),
+	EMIT_MASKWRITE(0XE0000034, 0x000000FFU, 0x00000006U),
+	EMIT_MASKWRITE(0XE0000018, 0x0000FFFFU, 0x0000007CU),
+	EMIT_MASKWRITE(0XE0000000, 0x000001FFU, 0x00000017U),
+	EMIT_MASKWRITE(0XE0000004, 0x000003FFU, 0x00000020U),
+	EMIT_MASKWRITE(0XE000D000, 0x00080000U, 0x00080000U),
+	EMIT_MASKWRITE(0XF8007000, 0x20000000U, 0x00000000U),
+	EMIT_MASKWRITE(0XE000A244, 0x003FFFFFU, 0x00088000U),
+	EMIT_MASKWRITE(0XE000A008, 0xFFFFFFFFU, 0x7FFF8000U),
+	EMIT_MASKWRITE(0XE000A248, 0x003FFFFFU, 0x00088000U),
+	EMIT_MASKWRITE(0XE000A008, 0xFFFFFFFFU, 0x7FFF0000U),
+	EMIT_MASKDELAY(0XF8F00200, 1),
+	EMIT_MASKWRITE(0XE000A008, 0xFFFFFFFFU, 0x7FFF8000U),
+	EMIT_MASKDELAY(0XF8F00200, 1),
+	EMIT_MASKWRITE(0XE000A244, 0x003FFFFFU, 0x00088000U),
+	EMIT_MASKWRITE(0XE000A00C, 0x003F003FU, 0x00370008U),
+	EMIT_MASKWRITE(0XE000A248, 0x003FFFFFU, 0x00088000U),
+	EMIT_MASKWRITE(0XE000A00C, 0x003F003FU, 0x00370000U),
+	EMIT_MASKDELAY(0XF8F00200, 1),
+	EMIT_MASKWRITE(0XE000A00C, 0x003F003FU, 0x00370008U),
+	EMIT_MASKDELAY(0XF8F00200, 1),
+	EMIT_MASKDELAY(0XF8F00200, 1),
+	EMIT_MASKDELAY(0XF8F00200, 1),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_post_config_3_0[] = {
+	EMIT_WRITE(0XF8000008, 0x0000DF0DU),
+	EMIT_MASKWRITE(0XF8000900, 0x0000000FU, 0x0000000FU),
+	EMIT_MASKWRITE(0XF8000240, 0xFFFFFFFFU, 0x00000000U),
+	EMIT_WRITE(0XF8000004, 0x0000767BU),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_debug_3_0[] = {
+	EMIT_WRITE(0XF8898FB0, 0xC5ACCE55U),
+	EMIT_WRITE(0XF8899FB0, 0xC5ACCE55U),
+	EMIT_WRITE(0XF8809FB0, 0xC5ACCE55U),
+	EMIT_EXIT(),
+};
+
+unsigned long ps7_reset_apu_3_0[] = {
+	EMIT_MASKWRITE(0xF8000244, 0x00000022U, 0x00000022U),
+	EMIT_EXIT(),
+};
+
+#define PS7_MASK_POLL_TIME 100000000
+
+static inline void iowrite(unsigned long val, unsigned long addr)
+{
+	__raw_writel(val, addr);
+}
+
+static inline unsigned long ioread(unsigned long addr)
+{
+	return __raw_readl(addr);
+}
+
+int ps7_config(unsigned long *ps7_config_init)
+{
+	unsigned long *ptr = ps7_config_init;
+
+	unsigned long opcode;	/* current instruction .. */
+	unsigned long args[16];	/* no opcode has so many args ... */
+	int numargs;		/* number of arguments of this instruction */
+	int j;			/* general purpose index */
+
+	unsigned long addr;
+	unsigned long val, mask;
+
+	int finish = -1;	/* loop while this is negative ! */
+	int i = 0;		/* Timeout variable */
+
+	while (finish < 0) {
+		numargs = ptr[0] & 0xF;
+		opcode = ptr[0] >> 4;
+
+		for (j = 0; j < numargs; j++)
+			args[j] = ptr[j + 1];
+		ptr += numargs + 1;
+
+		switch (opcode) {
+		case OPCODE_EXIT:
+			finish = PS7_INIT_SUCCESS;
+			break;
+
+		case OPCODE_WRITE:
+			addr = args[0];
+			val = args[1];
+			iowrite(val, addr);
+			break;
+
+		case OPCODE_MASKWRITE:
+			addr = args[0];
+			mask = args[1];
+			val = args[2];
+			iowrite((val & mask) | (ioread(addr) & ~mask) , addr);
+			break;
+
+		case OPCODE_MASKPOLL:
+			addr = args[0];
+			mask = args[1];
+			i = 0;
+			while (!(ioread(addr) & mask)) {
+				if (i == PS7_MASK_POLL_TIME) {
+					finish = PS7_INIT_TIMEOUT;
+					break;
+				}
+				i++;
+			}
+			break;
+		case OPCODE_MASKDELAY:
+			addr = args[0];
+			mask = args[1];
+			int delay = get_number_of_cycles_for_delay(mask);
+			perf_reset_and_start_timer();
+			while (ioread(addr) < delay)
+				;
+			break;
+		default:
+			finish = PS7_INIT_CORRUPT;
+			break;
+		}
+	}
+	return finish;
+}
+
+int ps7_post_config(void)
+{
+	return ps7_config(ps7_post_config_3_0);
+}
+
+int ps7_debug(void)
+{
+	return ps7_config(ps7_debug_3_0);
+}
+
+int ps7_reset_apu(void)
+{
+	return ps7_config(ps7_reset_apu_3_0);
+}
+
+int ps7_init(void)
+{
+	int ret;
+
+	ret = ps7_reset_apu();
+	if (ret != PS7_INIT_SUCCESS)
+		return ret;
+
+	ret = ps7_config(ps7_mio_init_data_3_0);
+	if (ret != PS7_INIT_SUCCESS)
+		return ret;
+
+	ret = ps7_config(ps7_pll_init_data_3_0);
+	if (ret != PS7_INIT_SUCCESS)
+		return ret;
+
+	ret = ps7_config(ps7_clock_init_data_3_0);
+	if (ret != PS7_INIT_SUCCESS)
+		return ret;
+
+	ret = ps7_config(ps7_ddr_init_data_3_0);
+	if (ret != PS7_INIT_SUCCESS)
+		return ret;
+
+	ret = ps7_config(ps7_peripherals_init_data_3_0);
+	if (ret != PS7_INIT_SUCCESS)
+		return ret;
+	return PS7_INIT_SUCCESS;
+}
+
+/* For delay calculation using global timer */
+
+/* start timer */
+void perf_start_clock(void)
+{
+	iowrite((1 << 0) | /* Timer Enable */
+		(1 << 3) | /* Auto-increment */
+		(0 << 8),  /* Pre-scale */
+		SCU_GLOBAL_TIMER_CONTROL);
+}
+
+/* stop timer and reset timer count regs */
+void perf_reset_clock(void)
+{
+	perf_disable_clock();
+	iowrite(0, SCU_GLOBAL_TIMER_COUNT_L32);
+	iowrite(0, SCU_GLOBAL_TIMER_COUNT_U32);
+}
+
+/* Compute mask for given delay in miliseconds*/
+int get_number_of_cycles_for_delay(unsigned int delay)
+{
+	return APU_FREQ * delay / (2 * 1000);
+}
+
+/* stop timer */
+void perf_disable_clock(void)
+{
+	iowrite(0, SCU_GLOBAL_TIMER_CONTROL);
+}
+
+void perf_reset_and_start_timer(void)
+{
+	perf_reset_clock();
+	perf_start_clock();
+}
diff --git a/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.h b/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.h
new file mode 100644
index 0000000..ebb4773
--- /dev/null
+++ b/board/opalkelly/zynq/zynq-syzygy-hub/ps7_init_gpl.h
@@ -0,0 +1,82 @@ 
+/******************************************************************************
+*
+* (c) Copyright 2010-2014 Xilinx, Inc. All rights reserved.
+*
+* SPDX-License-Identifier: GPL-2.0+
+*****************************************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define OPCODE_EXIT       0U
+#define OPCODE_CLEAR      1U
+#define OPCODE_WRITE      2U
+#define OPCODE_MASKWRITE  3U
+#define OPCODE_MASKPOLL   4U
+#define OPCODE_MASKDELAY  5U
+
+/* Encode number of arguments in last nibble */
+#define EMIT_EXIT()                   ((OPCODE_EXIT      << 4) | 0)
+#define EMIT_WRITE(addr, val)          ((OPCODE_WRITE     << 4) | 2) , addr, val
+#define EMIT_MASKWRITE(addr, mask, val) ((OPCODE_MASKWRITE << 4) | 3) ,\
+					addr, mask, val
+#define EMIT_MASKPOLL(addr, mask)      ((OPCODE_MASKPOLL  << 4) | 2) ,\
+					addr, mask
+#define EMIT_MASKDELAY(addr, mask)      ((OPCODE_MASKDELAY << 4) | 2) ,\
+					addr, mask
+
+/* Returns codes  of PS7_Init */
+#define PS7_INIT_SUCCESS   (0)
+#define PS7_INIT_CORRUPT   (1)
+#define PS7_INIT_TIMEOUT   (2)
+#define PS7_POLL_FAILED_DDR_INIT (3)
+#define PS7_POLL_FAILED_DMA      (4)
+#define PS7_POLL_FAILED_PLL      (5)
+
+/* Freq of all peripherals */
+
+#define APU_FREQ  650000000
+#define DDR_FREQ  525000000
+#define DCI_FREQ  10096154
+#define QSPI_FREQ  200000000
+#define SMC_FREQ  10000000
+#define ENET0_FREQ  125000000
+#define ENET1_FREQ  10000000
+#define USB0_FREQ  60000000
+#define USB1_FREQ  60000000
+#define SDIO_FREQ  100000000
+#define UART_FREQ  100000000
+#define SPI_FREQ  10000000
+#define I2C_FREQ  108333336
+#define WDT_FREQ  108333336
+#define TTC_FREQ  50000000
+#define CAN_FREQ  10000000
+#define PCAP_FREQ  200000000
+#define TPIU_FREQ  200000000
+#define FPGA0_FREQ  50000000
+#define FPGA1_FREQ  10000000
+#define FPGA2_FREQ  10000000
+#define FPGA3_FREQ  10000000
+
+
+/* For delay calculation using global registers*/
+#define SCU_GLOBAL_TIMER_COUNT_L32	0xF8F00200
+#define SCU_GLOBAL_TIMER_COUNT_U32	0xF8F00204
+#define SCU_GLOBAL_TIMER_CONTROL	0xF8F00208
+#define SCU_GLOBAL_TIMER_AUTO_INC	0xF8F00218
+
+int ps7_config(unsigned long *);
+int ps7_init(void);
+int ps7_post_config(void);
+int ps7_debug(void);
+
+void perf_start_clock(void);
+void perf_disable_clock(void);
+void perf_reset_clock(void);
+void perf_reset_and_start_timer(void);
+int get_number_of_cycles_for_delay(unsigned int delay);
+#ifdef __cplusplus
+}
+#endif
+
diff --git a/configs/syzygy_hub_defconfig b/configs/syzygy_hub_defconfig
new file mode 100644
index 0000000..28adf87
--- /dev/null
+++ b/configs/syzygy_hub_defconfig
@@ -0,0 +1,57 @@ 
+CONFIG_ARM=y
+CONFIG_SYS_VENDOR="opalkelly"
+CONFIG_SYS_CONFIG_NAME="syzygy_hub"
+CONFIG_ARCH_ZYNQ=y
+CONFIG_SYS_TEXT_BASE=0x4000000
+CONFIG_DEFAULT_DEVICE_TREE="zynq-syzygy-hub"
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_FIT_VERBOSE=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL=y
+CONFIG_SPL_OS_BOOT=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="Zynq> "
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_EEPROM=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_FPGA_LOADBP=y
+CONFIG_CMD_FPGA_LOADFS=y
+CONFIG_CMD_FPGA_LOADMK=y
+CONFIG_CMD_FPGA_LOADP=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TFTPPUT=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_EMBED=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ZYNQ=y
+CONFIG_ZYNQ_GEM=y
+CONFIG_DEBUG_UART_ZYNQ=y
+CONFIG_DEBUG_UART_BASE=0xe0000000
+CONFIG_DEBUG_UART_CLOCK=50000000
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_ULPI_VIEWPORT=y
+CONFIG_USB_ULPI=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_CI_UDC=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Xilinx"
+CONFIG_G_DNL_VENDOR_NUM=0x03FD
+CONFIG_G_DNL_PRODUCT_NUM=0x0300
diff --git a/include/configs/syzygy_hub.h b/include/configs/syzygy_hub.h
new file mode 100644
index 0000000..4147b45
--- /dev/null
+++ b/include/configs/syzygy_hub.h
@@ -0,0 +1,72 @@ 
+/*
+ * (C) Copyright 2012 Xilinx
+ * (C) Copyright 2017 Opal Kelly Inc.
+ *
+ * Configuration settings for the SYZYGY Hub development board
+ * See zynq-common.h for Zynq common configs
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_SYZYGY_HUB_H
+#define __CONFIG_SYZYGY_HUB_H
+
+#define CONFIG_ZYNQ_I2C1
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
+#define CONFIG_ZYNQ_GEM_EEPROM_ADDR    0x57
+#define CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET 0xFA
+
+#define CONFIG_EXTRA_ENV_SETTINGS       \
+	"fit_image=fit.itb\0"		\
+	"bitstream_image=download.bit\0"    \
+	"loadbit_addr=0x1000000\0"      \
+	"load_addr=0x2000000\0"		\
+	"fit_size=0x800000\0"		\
+	"flash_off=0x100000\0"		\
+	"nor_flash_off=0xE2100000\0"	\
+	"fdt_high=0x20000000\0"		\
+	"initrd_high=0x20000000\0"	\
+	"loadbootenv_addr=0x2000000\0"  \
+	"fdt_addr_r=0x1f00000\0"        \
+	"pxefile_addr_r=0x2000000\0"    \
+	"kernel_addr_r=0x2000000\0"     \
+	"scriptaddr=0x3000000\0"        \
+	"ramdisk_addr_r=0x3100000\0"    \
+	"bootenv=uEnv.txt\0" \
+	"bootenv_dev=mmc\0" \
+	"loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
+	"importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
+		"env import -t ${loadbootenv_addr} $filesize\0" \
+	"bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
+	"setbootenv=if env run bootenv_existence_test; then " \
+			"if env run loadbootenv; then " \
+				"env run importbootenv; " \
+			"fi; " \
+		"fi; \0" \
+	"sd_loadbootenv=set bootenv_dev mmc && " \
+			"run setbootenv \0" \
+	"usb_loadbootenv=set bootenv_dev usb && usb start && run setbootenv\0" \
+	"preboot=if test $modeboot = sdboot; then " \
+			"run sd_loadbootenv; " \
+			"echo Checking if uenvcmd is set ...; " \
+			"if test -n $uenvcmd; then " \
+				"echo Running uenvcmd ...; " \
+				"run uenvcmd; " \
+			"fi; " \
+		"fi; \0" \
+	"sdboot=echo Copying FPGA Bitstream from SD to RAM... && " \
+		"load mmc 0 ${loadbit_addr} ${bitstream_image} && " \
+		"echo Programming FPGA... && " \
+		"fpga loadb 0 ${loadbit_addr} ${filesize} && " \
+		"echo Copying FIT from SD to RAM... && " \
+		"load mmc 0 ${load_addr} ${fit_image} && " \
+		"bootm ${load_addr}\0" \
+	"jtagboot=echo TFTPing FIT to RAM... && " \
+		"tftpboot ${load_addr} ${fit_image} && " \
+		"bootm ${load_addr}\0" \
+		DFU_ALT_INFO \
+		BOOTENV
+
+#include <configs/zynq-common.h>
+
+#endif /* __CONFIG_SYZYGY_HUB_H */