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Petkov_Alex's avatar
Petkov_Alex
Icon for Occasional Contributor rankOccasional Contributor
3 years ago
Solved

Stratix V PCIe CvP not working

Hello! I have a board with Stratix V GT, PCIe HIP works good at Gen3 x8. I want to use it as CvP. So, i downloaded reference design, made chnages in assignment editor and compiled project. My setti...
  • Wincent_Altera's avatar
    Wincent_Altera
    3 years ago

    Hi,


    Thanks for the additional information and printscreen, Apologize for missing some important information.

    I do a deep check for Stratix V CvP gen2 procedure.


    Indeed Stratix V does support CvP at Gen2, due to a published errata, customers must order specific product variants with fixed silicon.

    Please see errata, PCIe Gen2 Link Training Error When Using Hard Reset Controller. As CvP must use the hard reset controller, then this errata applies.

    https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/es/es_stratixv.pdf#page=2


    The good news is that a fix part is available, your customer is reported as using:

    5SGSED8N2F45I2L

    But they must order parts with the full part number:

    5SGSED8N2F45I2LCV


    The *CV indicates fixed PCIe Gen2 silicon Hard Reset Controller.

    Without fixed silicon, only Gen1 is supported in Stratix V.


    Hope this clarified,

    Regards,

    Wincent_Intel


Wincent_Altera's avatar
Wincent_Altera
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hi ,


Thanks for your clear explanation, To be honest I am not familiar with nperst pin as I never did it before.

Is there any error happen for the setup ?


If you are confused about the pin and what it does, you may refer to the user guide Under Table 6-7 page 119/286

It might have some idea for you to setup the whole nperst pin

Let me know if you still need any of our help.

Regards,

Wincent_Intel