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efabless / openlane2

The next generation of OpenLane, rewritten from scratch with a modular architecture
https://openlane2.readthedocs.io/
Apache License 2.0
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Padframe generation in OpenLane2 #508

Open EpSilicon opened 4 months ago

EpSilicon commented 4 months ago

Description

Hello, What is the best way to generate a padframe in OpenLane2 ? It's seems no more possible to use an interactive TCL script as in OpenLane: https://openlane.readthedocs.io/en/2023.09.07/usage/chip_integration.html#hardening-the-full-chip Thanks and regards, Erwann

Proposal

No response

donn commented 3 months ago

Padframe generation is planned, but as a low priority (as we as a company tend to reuse manually-made padframes :) )

You may want to try a custom step based on OpenROAD for padframe generation-- if you are willing to be more specific with your use-case we can help you out with that.

EpSilicon commented 3 months ago

I've tried a custom step using YosisHQ's Padring script. Is this the way you have in mind?

donn commented 3 months ago

That's one way, yeah. Another would be OpenROAD pad-based https://github.com/The-OpenROAD-Project/OpenROAD/tree/master/src/pad

As a side note, we'd be happy to add a padring step to the flow if you've already made one.