Custom boot logic with Orin NX

Hi, I am looking into the Orin NX board.

I would like to have some custom logic in the boot process of the board, in other systems I have
achieved this by using uboot commands, customizing the default bootcmd

It is my understanding that uboot is not used in the Orin NX board but I can’t find more details on
the bootloader being used and how to achieve similar results.

Is there any standard way of doing this? Any resource I missed in the documentation?

Thank you

Hi lorenzo.ruffati,

We’ve used UEFI as bootloader instead of uboot after Jetpack 5.

You could refer to the following instruction for customization.
UEFI Adaptation — Jetson Linux Developer Guide documentation (

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