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AM625: USB Host Boot Mode for Am625 Custom Board

Murali Chikkanna
Prodigy 145 points
Part Number: AM625

Hi TI,

We are currently using an Am625-based Custom Board and are interested in trying out the USB Host Boot Mode.

Could you please provide guidance on how to enable this mode? Additionally, could you point us to the relevant

documentation that outlines the steps for initiating USB Host Boot Mode on our custom board?

Regards,

Murali Chikkanna

  • 0
    TI__Guru**** 155441 points

    Hi Murali,

    Are you looking for details on hardware or software guidelines? What OS do you run on your custom AM62x board?

  • 0 in reply to Bin Liu
    Prodigy 145 points

    Hi Bin Liu,

    Thanks for the reply. We are trying to get details on the software part. I am trying to boot Am62x based custom Board using USB stick. To do this I need to know the details below.

    1. How to partition the USB Stick.
    2. How many partitions do we need to make. whether it is same as SD card Partition. (boor & root)

    3. If it is same how to copy the files tiboot3,tispl and u-boot and root fs to partition.

    4. Any procedure do we need to follow while trying to boot from USB Host on the hardware side.

    Any document related to this topic is really appreciated.

    Thanks & Regards,

    Murali Chikkanna

  • 0 in reply to Murali Chikkanna
    TI__Guru**** 155441 points

    Hi Murali,

    The preparation of the bootable USB stick is the same as preparing the bootable SD card.

    Please follow the procedure in the link below to flash the SDK default SD card WIC image to a USB stick,

    https://dev.ti.com/tirex/explore/node?node=A__AYRiq2Ib3u24Y5H14qHCLg__AM62-ACADEMY__uiYMDcq__LATEST&placeholder=true

    set your board SYSBOOT mode to USB host boot mode,

    plug the USB stick to the board USB0 port (not USB1 port),

    power on the board, it should boot,

    stop at the u-boot prompt, and run command 'run usbboot' to boot Linux.