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xiaohao's avatar
xiaohao
Icon for New Contributor rankNew Contributor
1 month ago
Solved

agilex 7 Platform Designer PIO 2x8

I used the Platform Designer PIO 2x8 example to build my own setup, but when I run lspci on the computer, I can only see one device pcie1, and cannot see pcie0. My hardware connections should be fine...
Pcie
  • VenT_Altera's avatar
    VenT_Altera
    23 days ago

    Hi xiaohao 

    Thank you for your updates. 

    Please generate the PIO Gen4 x8x8 design example directly from the P-Tile AVST IP Parameter in Quartus. These configurations are supported for your use case:

    • Gen4 x8x8 512-bit (250 MHz or below) Endpoint
    • Gen4 x8x8 256-bit Endpoint

     

    This design example only supports the default settings in the Parameter Editor of the P-tile Avalon Streaming IP for PCI Express. Therefore, leave all parameters at their defaults and modify only:

    • Hard IP Mode
    • PLD Clock Frequency

     

    After that, click “Generate Example Design.”

    Refer to P-Tile AVST Design Example User Guide: https://docs.altera.com/r/docs/683038/24.1/p-tile-avalon-streaming-ip-for-pci-express-design-example-userguide/directory-structure 

    Please let me know if you have any concerns.

    Thanks. 
    Best Regards,
    Ven 

xiaohao's avatar
xiaohao
Icon for New Contributor rankNew Contributor
25 days ago

Thank you very much for your reply. I realize I should check the relevant settings in the BIOS. The documentation you provided seems rather complex and offers limited practical guidance for my specific use case, as I have little prior experience in this area.

Regarding another issue: I am working with a custom-designed FPGA board using the AGFB027R25A2E2V chip. I have successfully implemented and run the PIO example project for intel_pcie_ptile_ast_0 Gen4 x16. However, when attempting to configure a 2x8 PIO setup, I encounter an issue where only one link is recognized by the system. Within the Quartus tool, I have been unable to locate a dedicated example project for a PIO 2x8 configuration. My initial attempt resulted in failure (the tool generated an x16 configuration instead). Would it be possible for you to share a reference example project for the 2x8 PIO implementation?

VenT_Altera's avatar
VenT_Altera
Icon for Frequent Contributor rankFrequent Contributor
18 days ago

Hi xiaohao 

I am glad that your issue has been resolved.
We’ll go ahead and close this forum thread. If you need further assistance or encounter any new issues, please open a new thread. We’re happy to help. 

Thank you for engaging with us!

Thanks. 
Best Regards,
Ven