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IWR6843ISK: Is there a version of UniFlash that supports Ubuntu 20.04 aarch64?

Thomas Grounds
Prodigy 90 points
Part Number: IWR6843ISK
Other Parts Discussed in Thread: UNIFLASH,

We'd like to be able download TI IWR6843ISK board binaries to our end product and have it update the software in the field if possible.  But we'd need a UniFlash or Flashing system to run on a single board Ubuntu aarch64 system.  We don't need any debug probe support or CCS on the device.  If there is a different app we can use for the same purpose on the target product, let us know.

-TomG.

  • 0
    TI__Mastermind 21581 points

    Hi Tom,

    I don't believe there is any Uniflash build that runs on aarch64. For programming the device after it's been deployed, we reccomend using the secondary bootloader (SBL). 

    Please find the SBL and all of its documentation in the mmWave SDK. 

    <SDK_INSTALL>\packages\ti\utils\sbl 

    Best Regards,

    Josh

  • 0 in reply to Josh Dye
    Prodigy 90 points

    We need the ability to update the SDK, MSS, and DSS.  I believe the SBL will only let us update the MSS.  Let me know if that is correct.

    Regards,

    -TomG.

  • 0 in reply to Thomas Grounds
    TI__Mastermind 21581 points

    Tom,

    SBL will allow you to update the entire image (MSS+DSS) as well as revert to a factory default image. I believe this should suit your needs.

    Regards,

    Josh

  • 0 in reply to Josh Dye
    Prodigy 90 points

    I initially thought this thread was locked, but it was just the TI thinks this is resolved status. 

    There was a section in the SBL_design.pdf that initially made me think only the MSS could be re-flashed:

    "4.10 Running the application

    The meta image for SBL application will be created automatically along with the out file upon compiling this application. Note that this image will contain only the MSS binary (no BSS or DSS binary)."

    However, it sounds like that has a different context, so we'll look at this again as we are able.

    Thanks for the clarification.

    -TomG.