[OpenBIOS] [PATCHv8 00/16] boot order specification

Blue Swirl blauwirbel at gmail.com
Sat Dec 11 19:59:18 CET 2010


2010/12/11 Gleb Natapov <gleb at redhat.com>:
> On Sat, Dec 11, 2010 at 05:19:01PM +0000, Blue Swirl wrote:
>> >>                                                 What should we do with
>> >> ata-2 at 600 vs drive at 1?
>> > There is no available IDE OF binding spec, so I when with the way
>> > OpenBIOS reports ata on qemu-x86. I have no idea what 600 in ata-2 at 600
>> > may mean, but looking at g3_beige_300.html there is no such node there
>> > and looking at any other device tree in http://penguinppc.org/historical/dev-trees-html/
>> > I haven't found one that use this kind of addressing for pci-ata.
>> > http://penguinppc.org/historical/dev-trees-html/g3bw_400.html for
>> > instance has pci at 80000000/pci-bridge at d/pci-ata at 1/ata-4. ata-2 at 600 kind of
>> > addressing is used by devices on mac-io bus which I do not think we
>> > emulate in qemu. So it looks like OpneBIOS is wrong here.
>>
>> We have PMAC IDE, but this device is CMD646, so mac-io bus addressing
>> rules should not be used.
>>
> So you agree that OpenBIOS is wrong here?

I think so.



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