A not on EHCI debug, the screwdriver on Beaglebone black would need some loving but works:
https://github.com/osresearch/heads/issues/541#issuecomment-481513900 On 10/14/19 10:53 AM, Nico Huber wrote: > On 13.10.19 16:40, Tom Hiller wrote: >> The wiki briefly mentions "usb_debug_io.c" with a link to an old trac >> ticket. Could a second device connected via usb only read the logs? I >> am curious on the feasibility of attaching an Android phone/tablet with >> an app that could easily read coreboot debug information. > For EHCI debug, the basic requirements are that it's a high-speed > capable device and that you can configure and use it with <= 8 byte > transfers. > > Usually this applies to Android devices and some have been used > already for debugging. You need the `g_dbgp` gadget driver. This > driver is reported to not always work, however... a workaround > could be to use `g_serial` and add some support code to the debug > target. > > Nico > _______________________________________________ > coreboot mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ coreboot mailing list -- [email protected] To unsubscribe send an email to [email protected]

