Connect 2 Jetson Xavier NX SOMs over a custom board

Hello,

Plan is to connect 2 Jetson Xavier NX SOMs (one as a root complex:SOM1 and other as an endpoint:SOM2) with PCIe Gen 4 interface over a custom base board.

Need help in understanding,

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  configurations that has to be done(for both SOM1 and SOM2)

  
  


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  info on driver files like PCIe etc… (download links)

  
  


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  Any other things to consider?

  
  

Thanks in advance!