Currently the Device Tree Blob (DTB) is located in the flat tree image file image.ub.
rock
September 21, 2020, 4:16pm
2
AFAIK, that is not well supported (I am not sure though). But you have a way to modify it on the board:
pynq-boot.md
# Quick Steps to Modify Device Tree
This document covers the simple steps to modify an existing device tree
in a Petalinux-generated boot partition. For detailed information, you can
refer to
[the steps on Xilinx Wiki page](https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18842374/U-Boot+Images).
Note starting from image v2.3, the customized boot steps are no longer supported
by the PYNQ SD build flow. Instead, Petalinux will be used to generate the boot
partition. Petalinux has certain requirements on the boot files; the resultingshow original
