Resolved! STM32MP157F-EV1 - No boot log via ST-LINK.
tl,dr: No boot log or root term via ST-LINK connector on STM32MP157F-EV1. Haven't tried UART 4 yet.This is related to:https://community.st.com/t5/stm32-mpus-products/i-get-output-via-uart4-but-not-via-st-link-and-i-cannot-input/m-p/135067 Reference: ...