Bernd Walter <ticso_at_cicely12.cicely.de> wrote: > On Fri, Nov 21, 2003 at 12:35:50PM -0500, Brian F. Feldman wrote: > > Doug White <dwhite_at_gumbysoft.com> wrote: > > > The OHCI driver is largely synced with NetBSD so you might see if they > > > have the same bug. > > > > I'll look around for a bootable NetBSD CD. > > NetBSD is different in that point. > > > > This might be the underlying wierdness we were seeing in gtetlow's > > > microdrive with transfers over 8k. The one-page-crossing ohci limitation > > > is really annoying. > > > > Is there a way to add a quirk for max 8k transfers or anything? Even though > > that would be patently lame, I'd like to get some sort of workaround here. > > I don't even know what is supposed to be the problem here -- the fact that > > it's an ohci controller, an ohci+ehci controller, or that it's some specific > > controller issue... > > We never did any page crossing on ohci/ehci bevor the newbus change > took place. Found it!!! Definitely a problem created then... --- ohci.c 12 Nov 2003 01:40:11 -0000 1.138 +++ ohci.c 22 Nov 2003 03:28:42 -0000 _at__at_ -569,7 +569,7 _at__at_ cur->td.td_cbp = htole32(dataphys); cur->nexttd = next; cur->td.td_nexttd = htole32(next->physaddr); - cur->td.td_be = htole32(DMAADDR(dma, curlen - 1)); + cur->td.td_be = htole32(DMAADDR(dma, offset + curlen - 1)); cur->len = curlen; cur->flags = OHCI_ADD_LEN; cur->xfer = xfer; I'm a lot happier now :-) Let's start trying to get this stuff merged in! -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green_at_FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\Received on Sat Nov 22 2003 - 04:08:31 UTC
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