whitequark changed the topic of #yosys to: Yosys Open SYnthesis Suite: https://github.com/YosysHQ/yosys/ | Channel logs: https://libera.irclog.whitequark.org/yosys/ | Bridged to #yosys:matrix.org
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<dormito> I'm trying to use the DCU on an ECP5, but next-pnr says that it "must be constrained to a Bel". Which makes sense, however I'm not seeing a way to specify that constraint. Anyone familair with using the DCU (serdes) on an ECP5?
<tnt> (* BEL="" *) attribute IIRC
<dormito> oh hmmm. Thanks. Must admit I'm really not familiar with "(* *)". But that gives me something to look up. much appreciated
<tnt> It's how to mark attribute on the instance in verilog
<dormito> tnt: thanks a lot got a bit stream out :). I used nextpnr-ecp5 --gui to lookup the Bel name. Is there a more standard way to lookup bel's given a type?
<tnt> dormito: not that I know of, for special cells that's how I did it too.
<dormito> ok, thanks
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