Ulrich Langenbach

Results 19 comments of Ulrich Langenbach

We use this code for a long time now internally, not sure how to move forward with this item. We will internally close the item that mirrors this PR. You...

Did you try a newer toolchain version >= 22.4, which has been reported to prevent this issue from causing trouble? Our workaround, which is still in use in our designs,...

By the way, there is some public information that matches the situation encountered in this design, see https://www.intel.com/content/www/us/en/support/programmable/articles/000093130.html.

@alexforencich any idea on this one?

OK, I guess for the `FRAME_FIFO` mode in combination with the `set_max_skew` constraints this makes sense. Apropos constraints, we are currently adding some code to the quartus_pro constraints to automatically...

Hi Alex, any news? Did you have time to think about this little item?

Hello Olivier, it would be really interesting to have such a thing publicly available, although I guess it would make sense to wait for the PCI-SIG to finalize the effort...

Yaeh, thank's a lot for the quick reply! I just realized there is more in the library than available through the simplified CLI _xfp_ctrl.py_, I will further look into this,...

Hi, Facing timing issues before upscaling points more into the direction of RTL issues, rather than tool strategy related problems. Before optimizing the tool flow, it is most of the...