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TDA4VM: How to confirm whether boot0 or boot1 is being started during the SBL phase?

xuekun dai
Prodigy 30 points
Part Number: TDA4VM

Hi, TI expert：

    I want to know how to confirm whether boot0 or boot1 is being started in SBL. I couldn't find the eMMC EXTCSD non-volatile register in SBL.

    In addition, if the register is modified during the uboot stage to enable RBL to choose boot1 startup, Is there anything that needs to be modified in rtos-sdk-0900 sbl?

    Does rtos sdk-0900 sbl only support boot0 startup? Do I need to adapt again when starting from boot1?

Thanks!

  • 0
    TI__Guru 56505 points

    Hi xuekun 

    xuekun dai said:
    Does rtos sdk-0900 sbl only support boot0 startup? Do I need to adapt again when starting from boot1?

    Currently only BOOT 0 is supported in the SDK, we may need to make the changes inside the SBL to make it work, apart from changing the partconf inside the emmc excsd register.

    Regards
    Diwakar