linux-xlnx-v2020.1-zynqmp-fpga.md

Build Linux Kernel

There are two ways

1. run scripts/build-linux-xlnx-v2020.1-zynqmp-fpga.sh (easy)
2. run this chapter step-by-step (annoying)

Download ATWILC3000 Linux Driver for Ultra96-V2

shell$ git clone https://github.com/Avnet/u96v2-wilc-driver.git

Download Linux Kernel Source

Clone from linux-xlnx.git

shell$ git clone --depth 1 -b xilinx-v2020.1 https://github.com/Xilinx/linux-xlnx.git linux-xlnx-v2020.1-zynqmp-fpga

Make Branch linux-xlnx-v2020.1-zynqmp-fpga

shell$ cd linux-xlnx-v2020.1-zynqmp-fpga
shell$ git checkout -b linux-xlnx-v2020.1-zynqmp-fpga refs/tags/xilinx-v2020.1

Patch for linux-xlnx-v2020.1-zynqmp-fpga

shell$ patch -p1 < ../files/linux-xlnx-v2020.1-zynqmp-fpga.diff
shell$ git add --update
shell$ git add arch/arm64/boot/dts/xilinx/zynqmp-uz3eg-iocc.dts
shell$ git commit -m "[patch] for linux-xlnx-v2020.1-zynqmp-fpga."

Patch for linux-xlnx-v2020.1-builddeb

shell$ patch -p1 < ../files/linux-xlnx-v2020.1-builddeb.diff
shell$ git add --update
shell$ git commit -m "[update] scripts/package/builddeb to add tools/include and postinst script to header package."

Patch for drivers/drivers/tty/serial/xilinx_uartps.c

shell$ patch -p1 < ../files/linux-xlnx-v2020.1-zynqmp-fpga-xilinx_uartps.diff
shell$ git add --update
shell$ git commit -m "[fix] the problem that only the first port that xilinx_uartps.c found was the console."

Add ATWILC3000 Linux Driver for Ultra96-V2

shell$ cp -r ../u96v2-wilc-driver/wilc drivers/staging/wilc3000/
shell$ patch -p1 < ../files/linux-xlnx-v2020.1-zynqmp-fpga-wilc3000.diff
shell$ git add --update
shell$ git add drivers/staging/wilc3000
shell$ git commit -m "[add] drivers/staging/wilc3000"

Patch for Ultra96-V2

shell$ patch -p1 < ../files/linux-xlnx-v2020.1-zynqmp-fpga-ultra96v2.diff
shell$ git add --update
shell$ git add arch/arm64/boot/dts/xilinx/avnet-ultra96v2-rev1.dts 
shell$ git commit -m "[add] devicetree for Ultra96-V2."

Patch for Xilinx APF Driver

shell$ patch -p1 < ../files/linux-xlnx-v2020.1-zynqmp-fpga-apf.diff
shell$ git add --update
shell$ git commit -m "[add] Xilinx APF driver."

Create tag and .version

shell$ git tag -a xilinx-v2020.1-zynqmp-fpga-1 -m "release xilinx-v2020.1-zynqmp-fpga-1"
shell$ echo 1 > .version

Setup for Build

shell$ cd linux-xlnx-v2020.1-zynqmp-fpga
shell$ export ARCH=arm64
shell$ export CROSS_COMPILE=aarch64-linux-gnu-
shell$ make xilinx_zynqmp_defconfig

Build Linux Kernel and device tree

shell$ export DTC_FLAGS=--symbols
shell$ make deb-pkg

Build kernel image and devicetree to target/UltraZed-EG-IOCC/boot/

shell$ cp arch/arm64/boot/Image ../target/UltraZed-EG-IOCC/boot/image-5.4.0-xlnx-v2020.1-zynqmp-fpga
shell$ cp arch/arm64/boot/dts/xilinx/zynqmp-uz3eg-iocc.dtb ../target/UltraZed-EG-IOCC/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-uz3eg-iocc.dtb
shell$ ./scripts/dtc/dtc -I dtb -O dts --symbols -o ../target/UltraZed-EG-IOCC/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-uz3eg-iocc.dts ../target/UltraZed-EG-IOCC/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-uz3eg-iocc.dtb

Build kernel image and devicetree to target/Ultra96/boot/

shell$ cp arch/arm64/boot/Image ../target/Ultra96/boot/image-5.4.0-xlnx-v2020.1-zynqmp-fpga
shell$ cp arch/arm64/boot/dts/xilinx/avnet-ultra96-rev1.dtb ../target/Ultra96/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-ultra96.dtb
shell$ ./scripts/dtc/dtc -I dtb -O dts --symbols -o ../target/Ultra96/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-ultra96.dts ../target/Ultra96/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-ultra96.dtb

Build kernel image and devicetree to target/Ultra96-V2/boot/

shell$ cp arch/arm64/boot/Image ../target/Ultra96-V2/boot/image-5.4.0-xlnx-v2020.1-zynqmp-fpga
shell$ cp arch/arm64/boot/dts/xilinx/avnet-ultra96v2-rev1.dtb ../target/Ultra96-V2/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-ultra96v2.dtb
shell$ ./scripts/dtc/dtc -I dtb -O dts --symbols -o ../target/Ultra96-V2/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-ultra96v2.dts ../target/Ultra96-V2/boot/devicetree-5.4.0-xlnx-v2020.1-zynqmp-fpga-ultra96v2.dtb