DFU bootloader wont start. Using STM32_Programmer_CLI and u-boot-2020.01 built with stm32mp15_trusted_defconfig.

[AHahn.17]

I guess, it has something to do with the secure monitor inited by TF-A, since GPIOZ is protected.

Maybe there is something wrong with the default device tree using the GPIOZ?

What can I do?

[Olivier GALLIEN]

Hi @Community member​ 

uboot2020.01 is not a delivered/supported version by ST.

Lot of context is missing to understand you issue and help.

I suggest you contact your dedicated local ST FAE for further support.

BR,

Olivier