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i.MX8QXP SCU reset cause & retention

Question asked by Davor Bogavac on Mar 16, 2020

Device i.mx8QXP, Linux BSP 4.19.35, customer Actia.


1) The SCU allows enable/disable of retention during KS1, what does retention mean in this context?


2) The SCU supports 3 different types of reset, Warm, Cold, Board. When can each type of reset occur with default settings? Assuming a NXP Linux BSP 4.19.35 system.