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WHe.1
Visitor II
September 30, 2022
Question

STM32MP157C Bring up

  • September 30, 2022
  • 2 replies
  • 762 views

Hello

My borad can bring up from SD card. But can not boot from eMMC. When boot from eMMC. I can't get any message from the console. How can I find the trouble?

Thanks

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    2 replies

    O
    Olivier GALLIEN
    Technical Moderator
    September 30, 2022

    Hi @WHe.1​ ,

    Can you share exact reference of STM32MP15 sample and eMMC please ?

    I understand you succeed to flash the eMMC with CubeProg right ?

    Please share the log from SD Card boot .. it might provide us some insight about your platfom configuration setup.

    Olivier

    P
    PatrickF
    Technical Moderator
    October 4, 2022

    Hi @WHe.1​ 

    In case of low level boot failure, please share Bootrom log. Please have a look to https://wiki.st.com/stm32mpu/wiki/STM32_MPU_ROM_code_overview#Debug_and_Error_messages

    and

    https://wiki.st.com/stm32mpu/wiki/STM32_MPU_ROM_trace_analyzer

    If you don't use default eMMC pins, please share OTP3 and OTP5-7 values you setup.

    Note that some eMMC won't boot with silicon Rev.B. See ES0438 for details.

    Regards.

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