temporary working setup, not everything tested, planning to update

u-boot-tree/arch/arm/dts/elphel393.dts

+/*
+ * Elphel 10393 board DTS
+ *
+ * Copyright (C) 2016 Elphel, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-3.0+
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+
+/ {
+	model = "Elphel 10393 Board";
+	compatible = "xlnx,zynq-7000";
+
+	aliases {
+		serial0 = &uart0;
+                mmc0 = &sdhci0;
+	};
+
+        chosen {
+                stdout-path = "serial0:115200n8";
+        };
+        
+	memory {
+		device_type = "memory";
+		reg = <0 0x40000000>;
+	};
+};
+
+&uart0 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&sdhci0 {
+        u-boot,dm-pre-reloc;
+        status = "okay";
+};

u-boot-tree/arch/arm/dts/zynq-microzed.dts

@@ -4,6 +4,8 @@
  * Copyright (C) 2013 Xilinx, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
+ * 
+ * Modified: Oleg Dzhimiev <oleg@elphel.com>, Elphel Inc., 2016
  */
 /dts-v1/;
 #include "zynq-7000.dtsi"

u-boot-tree/arch/arm/dts/zynq-zc706.dts

+/*
+ * Xilinx ZC706 board DTS
+ *
+ *  Copyright (C) 2011 - 2015 Xilinx
+ *  Copyright (C) 2012 National Instruments Corp.
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ * Modified: Oleg Dzhimiev <oleg@elphel.com>, Elphel Inc., 2016
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+
+/ {
+        model = "Zynq ZC706 Development Board";
+        compatible = "xlnx,zynq-zc706", "xlnx,zynq-7000";
+
+	aliases {
+		serial0 = &uart1;
+		spi0 = &qspi;
+                mmc0 = &sdhci0;
+	};
+
+        chosen {
+                stdout-path = "serial0:115200n8";
+        };
+        
+	memory {
+		device_type = "memory";
+		reg = <0 0x40000000>;
+	};
+};
+
+&qspi {
+	status = "okay";
+};
+
+&uart1 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&sdhci0 {
+        u-boot,dm-pre-reloc;
+        status = "okay";
+};

u-boot-tree/arch/arm/dts/zynq-zed.dts

+/*
+ * Xilinx ZED board DTS
+ *
+ * Copyright (C) 2013 Xilinx, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ * 
+ * Modified: Oleg Dzhimiev <oleg@elphel.com>, Elphel Inc., 2016
+ */
+/dts-v1/;
+#include "zynq-7000.dtsi"
+
+/ {
+	model = "Zynq Zed Development Board";
+	compatible = "xlnx,zynq-zed", "xlnx,zynq-7000";
+
+	aliases {
+		serial0 = &uart1;
+		spi0 = &qspi;
+                mmc0 = &sdhci0;
+	};
+
+        chosen {
+                stdout-path = "serial0:115200n8";
+        };
+        
+	memory {
+		device_type = "memory";
+		reg = <0 0x40000000>;
+	};
+};
+
+&qspi {
+	status = "okay";
+};
+
+&uart1 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&sdhci0 {
+        u-boot,dm-pre-reloc;
+        status = "okay";
+};

u-boot-tree/arch/arm/mach-zynq/Kconfig

+if ARCH_ZYNQ
+
+config ZYNQ_CUSTOM_INIT
+	bool "Use custom ps7_init provided by Xilinx tool"
+	help
+	  U-Boot includes ps7_init_gpl.[ch] for some Zynq board variants.
+	  If you want to override them with customized ones
+	  or ps7_init code for your board is missing, please say Y here
+	  and add ones into board/xilinx/zynq/custom_hw_platform/ directory.
+
+choice
+	prompt "Xilinx Zynq board select"
+	default TARGET_ZYNQ_ZC702
+
+config TARGET_ZYNQ_ZED
+	bool "Zynq ZedBoard"
+
+config TARGET_ZYNQ_MICROZED
+	bool "Zynq MicroZed"
+
+config TARGET_ZYNQ_PICOZED
+	bool "Zynq PicoZed"
+
+config TARGET_ZYNQ_ZC702
+	bool "Zynq ZC702 Board"
+
+config TARGET_ZYNQ_ZC706
+	bool "Zynq ZC706 Board"
+
+config TARGET_ZYNQ_ZC770
+	bool "Zynq ZC770 Board"
+	select ZYNQ_CUSTOM_INIT
+
+config TARGET_ZYNQ_ZYBO
+	bool "Zynq Zybo Board"
+
+config TARGET_ELPHEL393
+        bool "Zynq Elphel 10393 Board"
+	
+endchoice
+
+config SYS_BOARD
+	default "zynq"
+
+config SYS_VENDOR
+	default "xilinx"
+
+config SYS_SOC
+	default "zynq"
+
+config SYS_CONFIG_NAME
+	default "zynq_zed" if TARGET_ZYNQ_ZED
+	default "zynq_microzed" if TARGET_ZYNQ_MICROZED
+	default "zynq_picozed" if TARGET_ZYNQ_PICOZED
+	default "zynq_zc70x" if TARGET_ZYNQ_ZC702 || TARGET_ZYNQ_ZC706
+	default "zynq_zc770" if TARGET_ZYNQ_ZC770
+	default "zynq_zybo" if TARGET_ZYNQ_ZYBO
+	default "elphel393" if TARGET_ELPHEL393
+
+endif

u-boot-tree/configs/elphel393_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_ZYNQ=y
+CONFIG_TARGET_ZYNQ_ELPHEL393=y
+CONFIG_DEFAULT_DEVICE_TREE="elphel393"
+CONFIG_SPL=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_FIT_SIGNATURE=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_ZYNQ_GEM=y
+CONFIG_ZYNQ_QSPI=y