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Original question:

Linux/AM5728: PCIe output clock configuration

AM5718: Linux/AM5718: PCIe output clock configuration

Gonzalo Vara
Intellectual 400 points
Part Number: AM5718

Hello TI,

We have a similar issue with the PCIe output clock configuration, see below thread:

Is it possible to generate the output clock from the SITARA without the need of an external clock? We are not been able to get it up & running...

Do not hesitate to ask for any information you may need to help us resolve this issue.

Thanks in advance for your support.

Best regards,

Gonzalo Vara

  • 0
    TI__Mastermind 23125 points

    Gonzalo, 

    Yes the clock buffer is called ACSPCIe in the TRM, it is a bi-directional clock buffer where you can set register CTRL_CORE_SMA_SW_6[17:16] = 0x1, which will enable TX mode. 

    Give it a try and let me know if you run into issues. 

    regards

    Jian