Re: [Qemu-ppc] [Qemu-devel] [PATCH 2/2] [v3] target-ppc: Enhance CPU nodes of device tree to be PAPR compliant.

[Thomas Huth]

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.

 Thomas