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imx6ulsbc based solution from Digi Custom Engineering

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We had a board designed by Digi Custom Engineering. For some odd reason, they changed the pins used to interface to the ethernet and as a result, when we get SOMs with the factory default uboot on them, the we can't tftp to install our custom kernel/rootfs at EOL. I had to cobble together some lamo-serial script in conjuction with a master SD card to get our code onto the device. That was find for the first 500 piece run of devices for field trial, but won't fly for the 2-3 thousand. I need to figure out what they changed so I know what to look for in the code.

Unfortunately I can't find a schematic for the imx6ulsbc pro eval board to use as a reference. I think a comparison between that and our custom schematic would be enlightening. Is it available publicly? Any other advice for running this one down?
asked Apr 6, 2020 in Linux by dallas.noregon New to the Community (1 point)

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cc6ul documentation is here:

cc6ul SBC pro schematics is here:

Do you have a USB OTG port? We recommend to always keep it for recovery. It can now be used to program all images not just u-boot using the latest nxp manufacturing tools - uuu (Universal Update Utility).
It will become the official programming method starting with the next release of DEY of cc6ul.
answered Apr 6, 2020 by LeonidM Veteran of the Digi Community (4,445 points)