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How to configure U-boot for LPUART2 for LS1020?

Question asked by Victor Mazin on Apr 7, 2016
Latest reply on Apr 8, 2016 by Victor Mazin



We have built a custom board using Rev 2.0 of the LS1020. We would like to use the LPUART2 port as the U-boot console. We used the LS1021A-IOT board as the reference board in our design.


How should we modify the U-boot configuration in order to use the LPUART2 port as the console?


We modified the RCW : UART_EXT = 001.

We added the line  #define CONFIG_LPUART in the include/configs/ls1021aiot.h file.

But we still do not receive any response from U-boot application.