[coreboot] [SeaBIOS] USB Problems geode lx800

Kevin O'Connor kevin at koconnor.net
Wed Oct 17 05:55:54 CEST 2012


On Tue, Oct 16, 2012 at 04:11:08PM +0200, Christian Gmeiner wrote:
> 2012/10/15 Kevin O'Connor <kevin at koconnor.net>:
> > On Sun, Oct 14, 2012 at 07:48:00PM +0000, Christian Gmeiner wrote:
> >> On 11 Oct 2012 16:42, "Christian Gmeiner" <christian.gmeiner at gmail.com>
> >> wrote:
> >> > 2012/10/11 Christian Gmeiner <christian.gmeiner at gmail.com>:
> >> > > 2012/10/11 Kevin O'Connor <kevin at koconnor.net>:
> >> > >> On Tue, Oct 09, 2012 at 02:31:05PM +0200, Christian Gmeiner wrote:
> >> > >>> 2012/10/9 Kevin O'Connor <kevin at koconnor.net>:
> >> > >>> > On Mon, Oct 08, 2012 at 02:14:03PM +0200, Christian Gmeiner wrote:
> >> > >>> >> HI all
> >> > >>> >>
> >> > >>> >> I am running into some usb problems with coreboot & seabios:
> >> > >>> > Can you set the debug level to 8 and post the whole log?  Also, for
> >> > >>> > timeout issues, having timestamps (via tools/readserial.py tool)
> >> > >>> > sometimes helps.
> > [...]
> >> Kevin do you have an idea what could be wrong?
> >
> > I haven't had a chance to take a look at it.  Something odd is going
> > on, as it appears the transfer that's failing isn't even being
> > started.  I'll see if I can take a look this week.
> >
> > -Kevin
> 
> He Kevin,
> 
> I have made some success to get USB working - current SeaBios ehci
> driver does not support toggling between
> DATA0 and DATA1. Here is my current patch to get a little bit more running:

The toggle bit should be updated automatically by the controller.  It
should not be necessary to do it manually.  If this is impacting your
results, something subtle must going on.

-Kevin




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