I'd be OK with this being done as a hack for now. I think the bridge
code needs to be a bit kinder about allowing "stupid" things to be done
if they're set up by the BIOS.
> I'd like to propose committing the following change which adds a new
> undocumented option in the spirit of PCI_ENABLE_IO_MODES. The new option
> (PCI_ALLOW_UNSUPPORTED_IO_RANGE) allows me to boot my old HP Omnibook
> 4150 while docked. Since I've seen a couple other people need this fix,
> I figure it would be more useful if they just had to add a line to their
> kernel config instead of editing the source files. Any objections?
>
> -- Brooks
>
> Index: pci_pci.c
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> RCS file: /home/ncvs/src/sys/dev/pci/pci_pci.c,v
> retrieving revision 1.3
> diff -u -r1.3 pci_pci.c
> --- pci_pci.c 13 Dec 2000 01:25:11 -0000 1.3
> +++ pci_pci.c 7 Jun 2001 17:31:50 -0000
> @@ -286,7 +286,9 @@
> " (decoding 0x%x-0x%x)\n",
> device_get_name(child), device_get_unit(child), start,
>end,
> sc->iobase, sc->iolimit);
> +#ifndef PCI_ALLOW_UNSUPPORTED_IO_RANGE
> return(NULL);
> +#endif
> }
> if (bootverbose)
> device_printf(sc->dev, "device %s%d requested decoded I/O range
>0x%lx-0x=
> %lx\n",
> @@ -306,7 +308,9 @@
> " (decoding 0x%x-0x%x, 0x%x-0x%x)\n",
> device_get_name(child), device_get_unit(child), start,
>end,
> sc->membase, sc->memlimit, sc->pmembase, sc->pmemlimit);
> +#ifndef PCI_ALLOW_UNSUPPORTED_IO_RANGE
> return(NULL);
> +#endif
> }
> if (bootverbose)
> device_printf(sc->dev, "device %s%d requested decoded memory range
>0x%lx=
> -0x%lx\n",
>
> --=20
> Any statement of the form "X is the one, true Y" is FALSE.
> PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
>
> --ZGiS0Q5IWpPtfppv
> Content-Type: application/pgp-signature
> Content-Disposition: inline
>
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> Version: GnuPG v1.0.6 (GNU/Linux)
> Comment: For info see http://www.gnupg.org
>
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> =Nu3h
> -----END PGP SIGNATURE-----
>
> --ZGiS0Q5IWpPtfppv--
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