Forum Discussion

MDavi51's avatar
MDavi51
Icon for New Contributor rankNew Contributor
6 years ago
Solved

How to enable lane reversal in Arria 10 PCIe interface

Hi all, according to appendix B of the Arria 10 PCIe User Guide https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/archives/ug-01145_avmm-1_0.pdf it is possible to rever...
  • BoonT_Intel's avatar
    BoonT_Intel
    6 years ago

    Hi Sir,

    Lane reversal is supported and is done automatically during link training.

    Just to share more on PCIe. Even a device does not support lane reversal. The upstream device (eg. RP) will do the lane reversal when it detect the end point unable to make lane reversal.

BoonT_Intel's avatar
BoonT_Intel
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

Hi Sir,

Lane reversal is supported and is done automatically during link training.

Just to share more on PCIe. Even a device does not support lane reversal. The upstream device (eg. RP) will do the lane reversal when it detect the end point unable to make lane reversal.