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TDA4VM: TI IPC

gangadhar Vasamsetti
Intellectual 435 points

Part Number: TDA4VM

Hi,

We are planning to use TI IPC between MCU and the Main domain.

considering safety, we have some doubts

TI-IPC Linux side: - 

[1] https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/08_00_00_12/exports/docs/pdk_jacinto_08_00_00_37/docs/userguide/jacinto/modules/ipc.html

  • Is compliance at which ASIL level?
  • In this documentation, processor-sdk-rtos-jacinto7 "ION heap" is mentioned.

            where can I get more details about ION heap. please share

TI-IPC Autosar side:

[2] https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/08_00_00_12/exports/docs/mcusw/mcal_drv/docs/drv_docs/ug_cdd_ipc_top.html

  • Is compliance at which ASIL level?

Thanks

Gangadhar

  • 0
    TI__Guru** 118285 points

    Hi Gangadhar,

    TI-IPC Linux side:

    The link you shared here is the PDK IPC drivers that are used on the RTOS-side (on R5Fs, C66 and C7x cores), and are not the Linux-side libraries.

    gangadhar Vasamsetti said:
    Is compliance at which ASIL level?

    The Linux-side library is the ti-rpmsg-char library. There is no ASIL rating for this Linux-side library (like any other library/software stack on the Linux-side.

    gangadhar Vasamsetti said:
    In this documentation, processor-sdk-rtos-jacinto7 "ION heap" is mentioned.

    The ION heaps are no longer applicable to 8.x SDKs. This is replaced with dma-buf-heaps.

    TI-IPC Autosar side:

    gangadhar Vasamsetti said:
    Is compliance at which ASIL level?

    The MCAL CDD IPC will be classified/certified at ASIL-D level. This is not the case in 8.0 SDK though. This safety qualification is currently in progress and is being targeted for the 8.5 SDK.

    regards

    Suman  

  • 0 in reply to Suman Anna
    Intellectual 435 points

    Hi suman,

    Thanks for the reply,

    Can we use MCAL CddIPC driver on the main domain (Linux OS)?

    If yes, will it work as it is on Linux OS or do we need to spend some time/effort to make it work in your opinion.

    Regards,

    Gangadhar

  • 0 in reply to gangadhar Vasamsetti
    TI__Guru** 118285 points

    Hi Gangadhar,

    I am not sure what your question is. Are you asking if MCAL Cdd IPC driver can be used on MAIN domain R5Fs with Linux OS on A72 or run MCAL CDD IPC driver itself on A72?

    MCAL is written for AutoSAR OS, which typically run on R5Fs, and this is orthogonal to Linux. You can run Adaptive AutoSAR on top of the HLOS, but that won't be using the MCAL CDD IPC drivers.

    The TI MCAL drivers are provided only for R5F cores.

    regards

    Suman