See U-Boot overview for generic information.
For other information, which depends on the microprocessor device and to manage this diversity, several articles have been created.
Please browse the one corresponding to the STM32MPU you use.
STM32 MPU devices | Associated articles |
---|---|
STM32MP13x | STM32MP13 U-Boot |
STM32MP15x | STM32MP15 U-Boot |