Hello,
We are working with two different hardware boards with the i.Mx8M Nano processor. We have successfully enabled secure boot on both boards using the following command:
$ fuse prog 1 3 0x02000000
Both boards successfully booted up with signed images.
Issue: While we were able to flash the new signed firmware onto Board 1 via USB using the UUU command, we were not able to do so on Board 2
Query: We used the same UUU tool to flash both boards. Could there be any hardware pin configurations (e.g., GPIO HIGH/LOW) that need to be adjusted to enable USB flashing via the UUU tool on Board 2?