[OpenBIOS] Macintosh device tree

Andreas Färber andreas.faerber at web.de
Sun Feb 24 18:24:16 CET 2013

Am 18.02.2013 13:02, schrieb Programmingkid:
> On Feb 3, 2013, at 6:24 PM, Andreas Färber wrote:
>> Am 02.02.2013 22:27, schrieb Programmingkid:
>>> I am investigating the device tree of the mac99 model. It looks like it is wrong. The part that I am concerned with is the via-cuda node. Both my iMac and iBook don't even have a via-cuda. They both have a via-pmu at 16000 node. I'm hoping someone has an original blue and white PowerMac G3. I would like the full device tree printout from it. The question I am trying to answer is does any newworld Mac have a via-cuda? If they don't, we know that it should be changed to a via-pmu at 16000 node.
>> I have one around, and it has a via-cuda at 16000 node. There's a
>> power-mgt at 0 node at the same level (under mac-io at 5) but no pmu node.
>> Andreas
> Where is the uni-n node located in the device tree?
> What is the uni-n node's full name?
> What are its properties?

There is no Uni-North on the early G3 Macs. They used Grackle instead.

model      PowerMac1,1
compatible PowerMac1,1
           Power Macintosh

It has:

/pci at 80000000
  /pci-bridge at s
    /mac-io at 5


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