[Libre-soc-bugs] [Bug 493] DMI JTAG SERDES needed, to be translated from microwatt/dmi_dtm_xilinx.vhdl

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=493

--- Comment #1 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
rright, turns out microwatt DMI to JTAG was not "low-level" enough
(relying on an FSM from Xilinx) so had to derive from Chips4Makers
TAG class.

https://git.libre-soc.org/?p=soc.git;a=blob;f=src/soc/debug/dmi2jtag.py;hb=HEAD

very basic unit test passes, shows that ID can be read.  next step
is to add DMI unit test

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