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i.MX8MQ serial debug console port change

Question asked by NIRMAL LUHANA on Nov 8, 2019
Latest reply on Nov 27, 2019 by Diego Adrian Cuevas



Release: Yocto-Sumo (4.14.78_1.0.0_GA)

Board: i.MX8MQ based custom board


I want to change the debug console from UART1 to UART3 on iMX8MQ based board. I have updated header, source and dts files at U-boot source and did necessary changes in the kernel sources. But, I was not able to get data over other UART3 port.


I have attached a patch that I applied to the U-boot source.

Is anything I am missing to do that? If any working solution is available then provide the same.


Thanks and regards,