Date: Thu, 24 Feb 2000 21:15:19 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Matthew Jacob <mjacob@feral.com> Cc: Andrew Gallatin <gallatin@cs.duke.edu>, freebsd-alpha@freebsd.org Subject: Re: problems with Qlogic SCSI combo card Message-ID: <Pine.BSF.4.21.0002242113030.8714-100000@salmon.nlsystems.com> In-Reply-To: <Pine.BSF.4.10.10002241213570.52985-100000@beppo.feral.com>
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On Thu, 24 Feb 2000, Matthew Jacob wrote: > > > On Thu, 24 Feb 2000, Andrew Gallatin wrote: > > > > > Matthew Jacob writes: > > > > > > > > Matthew Jacob writes: > > > > > > > > > > Is there any reason why we shouldn't allow only memory mapping > > > > > if I/O mapping is broken? > > > > > > > > > > > > > That's a great idea -- how do we tell? > > > > > > Ah! do I detect a pink of irony? :-) > > > > No.. I was serious, but in a hurry. I was wondering how one tells if > > a ppb doesn't deal with i/o space access behind it. Is there a > > standard value you get back when you read the i/o base & i/o limit > > registers in config space, or is there some other way to tell, or do > > we need a quirk for 21050s, etc.. > > Uh, I'd have to admit I would have to look at the PCI spec again to know > this... but I can assure you that we'll need quirks no matter what. Hmm. I remember that at one point, I had to cope with the fact that some SRM firmware allocates port ranges outside the 0-65535 range normally used on x86. Is it possible that such port ranges are not supported behind bridges? Neither of my alphas does this now, I must have upgraded the firmware once too often... -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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