[LinuxBIOS] Re: ACPI with LinuxBIOS

Stefan Reinauer stepan at openbios.org
Wed Apr 20 00:27:25 CEST 2005

* Stephen.Kimball at bench.com <Stephen.Kimball at bench.com> [050420 00:20]:
> I have been trying the get ACPI working on a dual Opteron motherboard.  I have
> used the island/aruma code as a reference. I have built the dsdt.c and fadt.c
> files from a commercial BIOS with ACPI.  With the commercial BIOS I see this
> message:
>     PCI: PCI BIOS revision 2.10 entry at 0xfd73f, last bus=143
> Looking the 2.6.9 kernel module arch/i386/pci/pcbios.c, it seems to want to
> make a PCI BIOS call to the PCI_SERVICE entry point.
Not sure if the above message is ACPI related. Can you send the whole

You will likely need to rewrite parts of the dsdt since it contains bus
numbers etc that might be different in LinuxBIOS

> So I’m not sure if you were able to get the island/aruma board to work with
yes. it works fine.

> Does LinuxBIOS need to support PC BIOS calls?

not for ACPI. ACPI was originally designed to provide a callback free 
bios interface. Which is a good thing in theory, LinuxBIOS does similar
with the LinuxBIOS table.


More information about the coreboot mailing list