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AM4372: How to proceed OTP key programming

Jack
Mastermind 9075 points
Part Number: AM4372

Hi Champ

Can you please let us know how to flash HS device ? 

Customer unable to understand the correct procudure with provided HS package release.

Please explain more about flash tool and procedure related to HS device.

Regards, 

Jack

  • 0
    TI__Guru 68310 points

    Hi Jack,
    In general, any binary booting on HS device needs to be signed with the private key matching MPK-H programmed on OTP efuse.
    Here any booting binary includes bootloader for normal booting or flasher for flashing operation...
    Best,
    -Hong

  • 0 in reply to Hong Guan64
    Mastermind 9075 points

    Hi Hong

    Customer is unable to understand how to programming HS device yet.

    Can you explain about OTP key programming which was introduced in User Guide of AM437x-OTP_Key Provisioning Tool.

    4. OTP key programming
    boot otp image, and follow UART console for user input

    They have a HS EVM. But don't know how to handle it. How to boot otp image?

    At the end of step.3 the script copies img to /media/boot_/MLO.  Does this step copy img to SD' boot partition? Do they need to use SD for OTP flashing?

    Please give us more detailed description or figures for better understanding. 

    Thanks.

    Regards,

    Jack

  • 0 in reply to Jack
    TI__Guru 68310 points

    Hi Jack,
    Please contact TI local field team to get you and customer added to the dedicated security forum to post any security related questions.
    Please re-post your question once you complete the security e2e forum signup.
    I'm closing this e2e post for now.
    Best,
    -Hong