JTAG fix for shuttle#17
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Co-authored-by: chrisrq <chrisrq09@berkeley.edu> Co-authored-by: Alonzo <alonzozul@berkeley.edu>
jimfangx
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Jun 14, 2026
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LGTM - QC/QA: verified on FPGA via fpga-shells flow (nexys video)
Taped out Q2 2026, pending bringup
https://drive.google.com/file/d/11NgttWGoTxpLJcIVSC96yFSuBxuh5EiL/view?usp=sharing
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Originally, JTAG hung when trying to connect with openocd. We added the following edits in the Shuttle core to fix this and tested it in sim and on FPGA:
Additional credit to Christian (@chrisrq) and Alonzo (@Uhhlonzo) for debugging this with me.