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2248487_en-US

IMX8MN Flashing Fuses / Secure Boot

Hi ,


Im in the process of enabling secure boot (hab) on a customboard with an IMX8MN.
I followed the CST_UG.pdf and AN4581.pdf . With most of the steps im done, i got my signed images for spl and u-boot. 

Next step would be flashing my 4 generated SRK keys/hashes to the nano.
In the Application Node and here(which i found sadly really late) I learned that you can use u-boot to program the fuses. I was wondering if there isnt a way to program the fuses using uuu.
Some searches later I think there should be a way by using uuu with an "auxiliary"-binary and a scritp but i couldnt find much more then this bit of information. Is there a way to do it with uuu and is there some documentation for this available ?


thanks in advance

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Last update:
‎11-26-2025 05:49 AM
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