From IRC:

(01:18:54) c0d3z3r0: siro__ migy_: with this additional patch https://paste.xinu.at/fLfh/ I got *something* working on skl... I had to increase the retries because I need to plug the dbc cable in the right moment. dbc gets detected and connected on the host but for some reason linux does not create a ttyDBC, while it does when I enable dbc/dci via ifd.
(01:19:44) c0d3z3r0: one difference I noticed is that the ifd-dbc thingy has product=0x0010 but changing that didn't help.
(01:21:26) c0d3z3r0: the same product appears when connecting the cable *after* debug target linux booted completely. then not drivers/usb/early/xhci-dbc.c but drivers/usb/host/xhci-dbg* provides the dbc gadget

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1 comment:

• File src/drivers/usb/xhci-dbc.h:

  • Patch Set #51, Line 129: #define XDBC_STRING_MANUFACTURER "Linux Foundation"

    coreboot

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