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KChap's avatar
KChap
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7 years ago

[Cyclone 5 (Ref 5csema6u23i7) - HPS] Does PL390 Generic Interrupt Controller support TrustZone security extension?

Hello,

After reading the Cyclone 5 Hard Processor System Technical Reference Manual, I managed to find that the Interrupt controller supported is the PL390 Generic Interrupt Controller (GICv1 architecture). However, I was not able to find if the PL390 GIC supports the TrustZone security extensions for enabling secure interrupts.

Can someone confirm that the PL390 GIC implemented in the Cyclone 5 platform support the security extensions or not?

Thanks in advance for your help.

Best Regards,

Kevin

7 Replies

  • MelvinSwee_T_Intel's avatar
    MelvinSwee_T_Intel
    Icon for Occasional Contributor rankOccasional Contributor
    7 years ago

    Hi,

    I am reviewing all the open questions on the forums and found this thread of yours. I apologize that no one seems to answer this question that you posted. Since it has been a few days since you posted this question, I am wondering if you have found the answer? If not, I can assign someone to assist you. Let me know. Thanks.

    Regards,

    Melvin

  • KChap's avatar
    KChap
    Icon for New Contributor rankNew Contributor
    7 years ago

    Hi Melvin,

    Unfortunately, I was not able to find an answer related to my question about TrustZone security extensions support in the PL390 Generic Interrupt Controller on the Cyclone V HPS.

    It will be very appreciated if you can assign someone to help me on this topic .

    Thank you for your support.

    Regards,

    Kevin

  • KChap's avatar
    KChap
    Icon for New Contributor rankNew Contributor
    7 years ago

    Hello,

    Do you have any findings to share?

    Thank you.

    Regards,

    Kevin

  • KChap's avatar
    KChap
    Icon for New Contributor rankNew Contributor
    7 years ago

    Hi,

    Thank you for your help. Unfortunately, this document only explains the configuration of a secure memory region with TrustZone, while I'm looking for more information about the support of secure interrupts in the PL390 Generic Interrupt Controller implemented on the Cyclone V SoC.

    Regards,

    Kevin

  • Ahmed_H_Intel1's avatar
    Ahmed_H_Intel1
    Icon for Frequent Contributor rankFrequent Contributor
    7 years ago

    Actually I cannot find a document that totally confirm that the PL390 Generic Interrupt Controller supports TrustZone security extension. I think it should be supporting but I cannot confirm this.