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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world. And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download (registration required) various documents highlighting:

System Workbench for STM32


ST Link V2 on STM32L0538-DISCO not woking

Hello,

At least the stlink can change its freq so the fw update is ok.

I can see some stuff about protections ?
Can you check the option bytes and remove write protections or other protections to debug.
You can use STM32 STLink utility to manage option bytes.

Then, i don’t know what can cause the other messages.
Is it a custom board or a nucleo board ?
If it is a custom board, did you connect the reset line from STLink to the mcu reset pin ?

If reset is not connected, you can choose the “software system reset” in debug config (debugger tab).
But it would be preferable to connect reset to avoid issues if you’ll use low power modes or SWD as GPIOs.

Rgds,
Laurent