WIP: interchange: add BELs chain support

chipsalliance / fpga-interchange-schema

https://fpga-interchange-schema.readthedocs.io/

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WIP: interchange: add BELs chain support #45

Closed kowalewskijan closed 3 months ago

kowalewskijan commented 3 years ago

Initial support for BELs chains. Related to:

https://github.com/SymbiFlow/nextpnr/issues/262
https://github.com/SymbiFlow/python-fpga-interchange/pull/70

Signed-off-by: Jan Kowalewski jkowalewski@antmicro.com

gatecat commented 3 years ago

My understanding is that this has now become part of device_config.yaml, in SymbiFlow/python-fpga-interchange#91. While we might want to bring this back into the schema long term, I think it's best if this PR is closed for now?