[Libre-soc-bugs] [Bug 526] create dry-run 180nm GDS-II files for IMEC

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri Nov 27 16:09:40 GMT 2020


--- Comment #58 from Cole Poirier <colepoirier at gmail.com> ---
(In reply to Jean-Paul.Chaput from comment #57)
> I'm finally reaching the point where I P&R the ls180, but I get an error.
> It seems that there are pad definition for the PLL, but the PLL is not
> present in the core, so the core2chip choke on that (tries to guess the
> kind of pad from the core signal). Faulty signal is "sys_pll_48_o", but
> all the PLL related ones should be in the same case.
> I did try to get back to the master spec that is feeded to pinmux that
> generate the JSON file. But I was not able to get it.

Hi JP, if Luke doesn’t get to this before me, I’ll take a look and see if I can
fix this. I have an idea of what may be going wrong, it’s related to
configuration parameters passed to the configuration stage of the litex
compilation That generates ls180.il.

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