[Libre-soc-bugs] [Bug 517] Define JTAG pins and set up with litex for ulx3s85f

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Mon Apr 5 18:20:01 BST 2021


https://bugs.libre-soc.org/show_bug.cgi?id=517

--- Comment #88 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
arrrgggh okaaay a *lot* of investigating and messing about: there is a new
STLINKv2 transport called stlink_usb.c which is selected by
"select transport dapdirect_jtag"

i'm adding a new .cfg file, it's passed "voltage" check (finding 3.2) however
fails with an unknown error 0x5 on calling stlink_usb_mode_enter


https://github.com/ntfreak/openocd/blob/master/src/jtag/drivers/stlink_usb.c#L1664

this is going to require... patience.

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