Date: Thu, 13 May 2004 08:31:50 +0200 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: ticso@cicely.de Cc: Roman Kurakin <rik@cronyx.ru> Subject: Re: Sio & Puc memory mapped Message-ID: <20040513063150.GA12583@freebie.xs4all.nl> In-Reply-To: <20040513012959.GS70900@cicely12.cicely.de> References: <40A26162.9030607@cronyx.ru> <20040513054339.E13728@gamplex.bde.org> <20040513012959.GS70900@cicely12.cicely.de>
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On Thu, May 13, 2004 at 03:30:00AM +0200, Bernd Walter wrote: > On Thu, May 13, 2004 at 05:48:55AM +1000, Bruce Evans wrote: > > On Wed, 12 May 2004, Roman Kurakin wrote: > > > > > Does any body workin on support for memory mapped serial adapters? > > > As I understand puc (4) allows to add support for such card, but sio (4) > > > cant > > > serve them any way. > > > If nobody doesn't, why so? If no one of developers bother, does anybody > > > wants this support? > > > > There is little need for it, because it is normal for pci 16550 cards to > > have i/o-mapped memory (possibly both memory-mapped and i/o mapped). > > alphas don't setup i/o space behind PCI-PCI bridges. > Not that I've ever seen a bridged puc card and I'm not aware of any > alpha with onboard PCI-PCI bridges. Hm, I'm pretty sure AS1000A and AS2100A have them. > Having io space is optionaly acording to PCI specs anyway and cards as > well as drivers (at least architecture idependent) shouldn't rely on > that. > > -- > B.Walter BWCT http://www.bwct.de > bernd@bwct.de info@bwct.de > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" ---end of quoted text--- -- Wilko Bulte wilko@FreeBSD.org
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