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Re: [Qemu-ppc] [Qemu-devel] [PATCH 2/2] [v3] target-ppc: Enhance CPU nod

From: Thomas Huth
Subject: Re: [Qemu-ppc] [Qemu-devel] [PATCH 2/2] [v3] target-ppc: Enhance CPU nodes of device tree to be PAPR compliant.
Date: Mon, 12 Aug 2013 21:17:26 +0200

Am Mon, 12 Aug 2013 16:03:24 +1000
schrieb Benjamin Herrenschmidt <address@hidden>:

> On Mon, 2013-08-12 at 10:07 +0530, Prerna Saxena wrote:
>  .../...
> > I dont know what context lead to this observation.
> > However, PAPR mentions the following nomenclature guideline:
> > 
> > "The value of this property shall be of the form: “PowerPC,<name>”,
> > where <name> is the name of the processor chip which may be displayed to
> > the user. <name> shall not contain underscores."
> This actually comes from the original Open Firmware binding for PowerPC
> processors, which PAPR inherits largely from. Thus this naming scheme
> should apply to all PowerPC processors when a device-tree is involved.

Well, I think it should be used when an Open Firmware environment is
used. When you boot via ePAPR device tree, the name should be "cpu"
instead, according to the ePAPR specification.


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