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GPIO initialisation

Question asked by Eby Jayan on Dec 20, 2018
Latest reply on Dec 21, 2018 by ufedor

This is with regarding to processor P2040.
Is it possible to make any GPIO accessible at PBL stage only, that is, we can toggle the GPIO when we are at PBL booting stage and after PBL stage no one can access that GPIO.
Also, NOR (GPCM) doesn't has any dedicated Write protect signal, which GPIO can be used to achieve this (write protect) functionality.