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AM5726: AM572x PCIe Root Complex (RC) 2-port configuration

Sh.Sasaki
Guru 13625 points
Part Number: AM5726

Hi experts,

Is it possible to configure a multi-host configuration with multiple cores of AM5726 and connect to two devices (EP) as shown below?

Is it possible with the TI RTOS SDK?

Is there a Library etc. to adopt this method?

Is this possible when using AM5726 as an Endpoint (EP)?

Best regards,
Sasaki

  • +1
    TI__Mastermind 39735 points

    Hi Sasaki,

    Referring to TRM section 24.9.1.1 "PCIe Controllers Key Features" you should be able to use two PCIe 1-lane supporting either RC or EP with the possibility of one operating in Gen1 and one in Gen2. You'll need to make sure that PCIe_SS1 is configured to operate in one-lane mode. PCIe_SS2 is not available if PCIe_SS1 is configured in dual-lane mode.

    But this dual PCIe support has not been validated in PDK.

    Regards,
    Parth

  • 0 in reply to Parth Nagpal
    Guru 13625 points

    Hi Parth-san,

    Thank you for your support.

    I got it.

    Best regards,
    Sasaki