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STiRoT Provisioning of STM32H573 over SPI

RomThi
Visitor

Hi all,

we are developing a product with the STM32H573. The idea is to use the STiRoT for secure firmware update. The MCU is connected to a Linux CPU via SPI. Now we plan to do the provisioning during the production using the Linux CPU that has a ethrnet connection to the outside world. 

The question is: Is that possible?

I have modified the provisioning scripts to use UART and I have tested it using the H573DK eval board, but it failed. This is because after programming the option bytes the bootloader is not starting again, as STiRoT gets activated. Maybe the sequence can be modified? 

 

Thx,

Roman

 

    

 

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