Date: Wed, 1 Sep 2004 16:17:17 +0200 From: Wilko Bulte <wb@freebie.xs4all.nl> To: Doug Rabson <dfr@nlsystems.com> Cc: "M. Warner Losh" <imp@bsdimp.com> Subject: Re: cvs commit: src/sys/dev/fdc fdc_isa.c Message-ID: <20040901141717.GA65267@freebie.xs4all.nl> In-Reply-To: <1094046544.31688.2.camel@builder02.qubesoft.com> References: <200408312037.i7VKbARQ075764@repoman.freebsd.org> <20040831203807.GA60718@freebie.xs4all.nl> <20040831.144236.117916474.imp@bsdimp.com> <1094046544.31688.2.camel@builder02.qubesoft.com>
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On Wed, Sep 01, 2004 at 02:49:04PM +0100, Doug Rabson wrote.. > On Tue, 2004-08-31 at 21:42, M. Warner Losh wrote: > > In message: <20040831203807.GA60718@freebie.xs4all.nl> > > Wilko Bulte <wb@freebie.xs4all.nl> writes: > > : On Tue, Aug 31, 2004 at 08:37:10PM +0000, Warner Losh wrote.. > > : > imp 2004-08-31 20:37:10 UTC > > : > > > : > FreeBSD src repository > > : > > > : > Modified files: > > : > sys/dev/fdc fdc_isa.c > > : > Log: > > : > When ISA_PNP_PROBE is called, it will return 0 when it finds a device, > > : > ENOENT when there's no PNP ID for this device node, or ENXIO when there > > : > is one, but it doesn't match. > > : > > > : > In the nonPNP case (as most Alpha systems appear to be), we were > > : > > : I think no Alpha has PNP. > > > > Makes sense. The Floppy controller usually shows up in the PNP BIOS > > or ACPI tables. I do believe that Alpha supports the ISA PNP, > > however, for add-in cards. We map both PNP BIOS and ISA PNP into the > > same thing (which is probed with ISA_PNP_PROBE). > > There is also a hardware list which SRM has that we could use to imitate > PnP bios if someone could be bothered to figure out the format. I think the starting point should be the Tru64 Device Driers guide (or whatever the thing is called). -- Wilko Bulte wilko@FreeBSD.org
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