Add Avnet MicroZed

config/boards/microzed.wip

@@ -0,0 +1,8 @@
+# Xilinx Zynq 7000 dual core 1 GB RAM Gbe
+BOARD_NAME="MicroZed"
+BOARDFAMILY="zynq"
+KERNEL_TARGET="legacy"
+FULL_DESKTOP="no"
+BOOT_FDT_FILE="zynq-microzed.dtb"
+BOOTSIZE="128"
+BOOTFS_TYPE="fat"

config/bootenv/zynq.txt

@@ -0,0 +1,3 @@
+verbosity=1
+bootlogo=false
+fpga_bin=system_wrapper.bin

config/bootscripts/boot-zynq.cmd

@@ -0,0 +1,38 @@
+# DO NOT EDIT THIS FILE
+#
+# Please edit /boot/armbianEnv.txt to set supported parameters
+#
+
+setenv load_addr "0x9000000"
+setenv loadbit_addr "0x100000"
+# default values
+setenv rootdev "/dev/mmcblk0p2"
+setenv verbosity "1"
+setenv consoleargs "console=ttyPS0,115200n8"
+setenv bootlogo "false"
+setenv rootfstype "ext4"
+setenv earlycon "off"
+
+echo "Boot script loaded from ${devtype} ${devnum}"
+
+if test -e ${devtype} ${devnum} ${prefix}armbianEnv.txt; then
+	load ${devtype} ${devnum} ${load_addr} ${prefix}armbianEnv.txt
+	env import -t ${load_addr} ${filesize}
+fi
+
+if test -e ${devtype} ${devnum} ${prefix}${fpga_bin}; then
+	echo "Loading FPGA Bitstream from ${prefix}${fpga_bin}"
+	load ${devtype} ${devnum} ${loadbit_addr} ${prefix}${fpga_bin}
+	fpga load 0 ${loadbit_addr} ${filesize}
+fi
+
+setenv bootargs "root=${rootdev} rootwait rootfstype=${rootfstype} ${consoleargs} consoleblank=0 loglevel=${verbosity} ubootpart=${partuuid} usb-storage.quirks=${usbstoragequirks} ${extraargs} ${extraboardargs}"
+
+load ${devtype} ${devnum} ${ramdisk_addr_r} ${prefix}uInitrd
+load ${devtype} ${devnum} ${kernel_addr_r} ${prefix}zImage
+load ${devtype} ${devnum} ${fdt_addr_r} ${prefix}dtb/${fdtfile}
+
+bootz ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
+
+# Recompile with:
+# mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr

config/sources/families/zynq.conf

@@ -0,0 +1,62 @@
+ARCH=armhf
+SERIALCON='ttyPS0'
+LINUXFAMILY=zynq
+
+KERNELSOURCE='https://github.com/Xilinx/linux-xlnx.git'
+KERNELBRANCH='tag:xilinx-v2020.2'
+KERNELDIR='linux-xlnx'
+KERNELPATCHDIR='zynq-'$BRANCH
+
+BOOTSOURCE='https://github.com/Xilinx/u-boot-xlnx.git'
+BOOTBRANCH='tag:xilinx-v2020.2'
+BOOTCONFIG="xilinx_zynq_virt_defconfig"
+BOOTDIR='u-boot-xlnx'
+BOOTSCRIPT='boot-zynq.cmd:boot.cmd'
+BOOTENV_FILE='zynq.txt'
+UBOOT_TARGET_MAP=';;u-boot.elf'
+
+family_tweaks()
+{
+	true
+}
+
+uboot_custom_postprocess()
+{
+	# Precompiled first stage bootloader
+	cp ${SRC}/cache/sources/xilinx-fsbl/zynq/fsbl.elf .
+
+	# Create a bootgen build instruction file
+    	cat > build.bif <<EOF
+the_ROM_image : {
+  [bootloader]fsbl.elf
+  u-boot.elf
+}
+EOF
+
+	# Regenerate boot.bin
+	rm -f boot.bin
+	bootgen -image build.bif -o i boot.bin
+
+	# And a simple README for users
+	cat > README <<EOF
+# Regenerate Zynq boot.bin from fsbl.elf, u-boot.elf
+bootgen -image build.bif -o i boot.bin
+EOF
+
+	# Package build components into u-boot lib dir
+	cp fsbl.elf "$uboottempdir/${uboot_name}/usr/lib/${uboot_name}/${f_dst}"
+	cp build.bif "$uboottempdir/${uboot_name}/usr/lib/${uboot_name}/${f_dst}"
+	cp README "$uboottempdir/${uboot_name}/usr/lib/${uboot_name}/${f_dst}"
+
+	# Package boot.bin as a u-boot "config file", so package manager
+	# won't fight end users who update this themselves ...
+	mkdir -p "$uboottempdir/${uboot_name}/boot"
+	cp boot.bin "$uboottempdir/${uboot_name}/boot"
+	mkdir -p "$uboottempdir/${uboot_name}/DEBIAN"
+	echo "/boot/boot.bin" > "$uboottempdir/${uboot_name}/DEBIAN/conffiles"
+}
+
+write_uboot_platform()
+{
+	:
+}

patch/kernel/archive/zynq-5.4/microzed-status-led.patch

@@ -0,0 +1,20 @@
+diff --git a/arch/arm/boot/dts/zynq-microzed.dts b/arch/arm/boot/dts/zynq-microzed.dts
+index 6ed84fb15..4d7ba65c2 100644
+--- a/arch/arm/boot/dts/zynq-microzed.dts
++++ b/arch/arm/boot/dts/zynq-microzed.dts
+@@ -29,6 +29,15 @@
+ 		compatible = "usb-nop-xceiv";
+ 		#phy-cells = <0>;
+ 	};
++
++	leds {
++		compatible = "gpio-leds";
++		status {
++			label = "status";
++			gpios = <&gpio0 0x2f 0x0>;
++			linux,default-trigger = "heartbeat";
++		};
++	};
+ };
+ 
+ &clkc {

patch/kernel/zynq-legacy

@@ -0,0 +1 @@
+archive/zynq-5.4/