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STM32MP2 Secure boot

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Duyvnhd
Associate II

‎2025-08-18 4:19 AM

Hi ST community 

I wanted to ask if I could check if secure boot is on or off. I use STM32MP257F-EV1

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Gregory PLANCHON
ST Employee

‎2025-08-18 5:41 AM

Hi @Duyvnhd,

 

You can use the DYN_DISABLE_AUTH flag to view the trace, as shown on this wiki page:

https://wiki.st.com/stm32mpu/wiki/How_to_enable_secure_boot_on_STM32_MPU#On_STM32MP2_series

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.

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Gregory PLANCHON
ST Employee

‎2025-08-18 5:41 AM

Hi @Duyvnhd,

 

You can use the DYN_DISABLE_AUTH flag to view the trace, as shown on this wiki page:

https://wiki.st.com/stm32mpu/wiki/How_to_enable_secure_boot_on_STM32_MPU#On_STM32MP2_series

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.
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Duyvnhd
Associate II
In response to Gregory PLANCHON

‎2025-08-19 1:51 AM - edited ‎2025-08-19 3:42 AM

I started ssp but now my board is having a problem that I can't connect to openST linux anymore so what should I do to fix it? 

And can i Enable secure boot on M33

 

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