imagefrompetalinux.md

Prepare boot image from PetaLinux

1. install PetaLinux

a. Download the petalinux installer 2019.1

b. Execute the installer

c. Export the petalinux setting

2. Generate board specific project from BSP

a. Download the zcu106 BSP 2019.1

b. genereate the project

3. Configure kernel

a. Disable "General setup -> Initial RAM filesystem and RAM disk"

b. Enable CPU govenors at "CPU Power Management -> CPU Frequency scaling"

c. Enable DVFS at "Device Drivers -> Adaptive Voltage Scaling class support" and "Device Drivers -> Generic Dynamic Voltage and Frequency Scaling (DVFS) support"

d. Save configuration

e. Import HDF and configure SD card booting

Using command "petalinux-config --get-hw-description=<*.hdf>" where *.hdf noramlly is in the vivado project sdk forder. Then select "Image Packaging Configuration->Root file system type->SD card".

4. Configure u-boot

a. Enable boot from SD

b. Add boot arguments: "earlycon clk_ignore_unused root=/dev/mmcblk0p2 rootfstype=ext4 rw rootwait"

5. Configure root file system (rootfs)

a. Enable ARM mali kernel library and user driver

b. Enable HDMI kernel module

c. Add boot arguments to "xilinx-zcu106-2019.1/project-spec/meta-user/recipes-bsp/device-tree/files/system-user.dtsi"

6. Build PetaLinux Project

7. Create "Boot.bin"

8. The bootable files are "BOOT.bin" and "Image.ub" at "image/linux/" folder.