Date: Mon, 27 Dec 2004 23:46:44 +0000 (GMT) From: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> To: Scott Long <scottl@freebsd.org> Cc: jake@freebsd.org Subject: Re: Schizo/Tomatillo driver Message-ID: <20041227233642.H81270@ury.york.ac.uk> In-Reply-To: <41CF6C5C.9010802@freebsd.org> References: <20041226235716.W64958@ury.york.ac.uk> <41CF6C5C.9010802@freebsd.org>
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On Sun, 26 Dec 2004, Scott Long wrote: > Gavin Atkinson wrote: > > Is anyone working on a driver for the UltraSparc-III Host-PCI busses? > > Over the past few day I've started work in the background on this > > (specifically the Tomatillo), using the OpenBSD and Linux drivers as > > documentation, but thought I'd ask in case anyone else is working on it, > > so as not to duplicate effort... > > I think that Jake Burkholder tried a few years ago but was stopped by > the lack documentation and fact that the Linux code (at the time) was > purely magic values with no explaination as to what it was doing. If > I remember correctly, the biggest challenge was with getting the > interrupt routing correct; devices were being probed and data could be > transfered, but interrupts weren't getting through. Hmm, I'd be interested in seeing any previous work that has been done. The linux code is now actually pretty well commented (for Linux, anyway), so hopefully we can make a bit of an attempt at getting something working. Gavin
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