Resolved! Serial boot via the TAMP_REG[20] howto
Hi,My bellow question is based on info read from:https://wiki.st.com/stm32mpu/wiki/STM32MP15_ROM_code_overview#Configurationandhttps://wiki.st.com/stm32mpu/wiki/STM32MP15_backup_registers#Boot_mode_selection_featureFrom those two links I understand t...