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Oh, and the crossbar itself is done and working and you can set mux selectors via SCPI.

The CDR trigger needs more hardware debug. The SFP+ links up and should be able to receive frames, but the arbitration logic for deciding whether to send frames to the SFP+ or the RGMII MAC isn't done yet so right now I hard code sending to RGMII.

The BERT/pattern generator ports are working and spitting out hardcoded PRBS15, but I don't have any firmware/gateware to control swing, pattern, inversion, FFE taps, or the receiver yet.