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AM2634: HSM

Shine
Genius 13655 points
Part Number: AM2634


Hello Champs,

SW: SDK 08_05_00_01，TIFS 08_05_00_07
HW: own board

Customer is developing with the AM2634 chip and he finds that after enabling HSM functionality, the Boot jump app will fail and the app will always reset after jumping into the app. He currently suspects that this may be due to the firewall feature in the HSM feature, but after he sets the firewall to full access rights, the problem still exists, What could be the cause of this problem? 

ITesting this problem today is now seen to be resolved, the solution is to remove the L20CRAM related firewall settings in HSMRT, but he previously sets the L20CRAM firewall to full on, why does he remove it to have effect?


Below is the configuration.


Thanks
Regards
Shine

  • 0
    TI__Mastermind 26145 points

    Hi Shine,

    In the latest version of the TRM, it is mentioned about the following behavior of MPU -

    Can you confirm if the error is because the region boundary is cached ? Please refer to this documentation - SPRUJ17E – MARCH 2022 – REVISED NOVEMBER 2023.

    I hope it helps.

    Best Regards,
    Aakash