Re: nanopi/allwinner i2c not working.
Daniel Braniss <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.arm |
|---|---|
| Message-ID | <[email protected]> |
> On 5 Oct 2020, at 17:54, Daniel Braniss <[email protected]> wrote: > > > >> On 5 Oct 2020, at 17:19, Andriy Gapon <[email protected]> wrote: >> >> On 05/10/2020 11:47, Daniel Braniss wrote: >>> Hi, >>> latest 12.2-stable r366421, >>> >>> when nothing is connected, >>> i2c -s >>> just hangs >>> and reboot is required. >>> >>> >>> if anything is connected, it just goes into a loop: >>> # i2c -s >>> Hardware may not support START/STOP scanning; trinterrupt storm detected on "gic0,s6:"; throttling interrupt source >>> ying less-reliable read method. >>> interrupt storm detected on "gic0,s6:"; throttling interrupt source >>> interrupt storm detected on "gic0,s6:"; throttling interrupt source >>> … >>> >>> im willing to help debug this, but need help. >> >> What NanoPi model is this? > nanopi neo v1.3 and v1.4 > >> >> Can you try to merge r365397 and check if it helps? >> If it does not, can you additionally try https://reviews.freebsd.org/D26049 <https://reviews.freebsd.org/D26049> ? > i think i tested this a while back, with the same results. >> >> If the problem persists, can you try setting hw.i2c.twsi_debug=1 and collect >> some logs? > > last time i tested, debug was on, and it worked, but when turned off it hung. > > I have to compile twsi with debug, and will report back ASAP. > this is what happens with debug on, … iichb0: twsi_intr: Got interrupt Current msg=0 iichb0: TWSI_READ: read 8 from 10 iichb0: twsi_intr: initial status=8 iichb0: twsi_intr: Send the address iichb0: TWSI_WRITE: Writing 48 to 8 iichb0: TWSI_WRITE: Writing c4 to c iichb0: twsi_intr: Done with interrupts iichb0: twsi_intr: Got interrupt Current msg=0 iichb0: TWSI_READ: read 8 from 10 iichb0: twsi_intr: initial status=8 iichb0: twsi_intr: Send the address iichb0: TWSI_WRITE: Writing 48 to 8 iichb0: TWSI_WRITE: Writing c4 to c iichb0: twsi_intr: Done with interrupts ... > thanks, > danny > > >> >> Thanks! >> >> -- >> Andriy Gapon > > _______________________________________________ > [email protected] <mailto:[email protected]> mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm <https://lists.freebsd.org/mailman/listinfo/freebsd-arm> > To unsubscribe, send any mail to "[email protected] <mailto:[email protected]>" _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-arm To unsubscribe, send any mail to "[email protected]"