If your product uses U-Boot 2020.04, generate the PDF from that exact tag ( git checkout v2020.04 ), because commands and APIs change.
: Users can configure the boot process via a set of flexible environment variables (e.g., bootargs , bootcmd ). u boot manual pdf
Before diving into where to find the PDF, it is crucial to understand the complexity of the tool. If your product uses U-Boot 2020
After completion, you will find a file named U-Boot.pdf — your . If your product uses U-Boot 2020.04
Consult the manual’s NETWORK section. You’ll learn to set ipaddr , serverip , and use tftpboot to load uImage and devicetree.dtb .