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Date: Fri, 20 Jan 2012 10:25:26 -0600
From: Mark Langsdorf <mark.langsdorf@calxeda.com>
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Subject: Re: [Qemu-devel] [PATCH v12 4/4] arm: SoC model for Calxeda Highbank
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To: Rob Herring <rob.herring@calxeda.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, "i.mitsyanko@gmail.com" <i.mitsyanko@gmail.com>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, Grant Likely <grant.likely@secretlab.ca>, "edgar.iglesias@gmail.com" <edgar.iglesias@gmail.com>, "afaerber@suse.de" <afaerber@suse.de>

On 01/20/2012 07:48 AM, Rob Herring wrote:
> On 01/20/2012 02:47 AM, Peter Maydell wrote:
>> On 19 January 2012 23:17, Rob Herring <rob.herring@calxeda.com> wrote:
>>> On 01/19/2012 03:44 PM, Peter Maydell wrote:
>>>> On 19 January 2012 21:31, Mark Langsdorf <mark.langsdorf@calxeda.com> wrote:
>>>>> +    highbank_binfo.board_id = 0xEC10100f; /* provided by deviceTree */
>>>>
>>>> Where does this number come from? It's not in
>>>> http://www.arm.linux.org.uk/developer/machines/
>>>>
>>>> Is 3027 (==0xbd3) you?
>>>> http://www.arm.linux.org.uk/developer/machines/list.php?id=3027
>>>>
>>>
>>> Much of the data there is wrong as none of it is used. 0 or -1 is the
>>> right value as those are obviously meaningless. A highbank kernel will
>>> never be booted without devicetree and in that case this number is
>>> irrelevant. This is the legacy boot interface and qemu really needs to
>>> learn to boot with a separate dtb.
>>
>> Yeah, but the documentation even for DTB boot says we should pass
>> in a machine number. If 0 or -1 are right then there should be
>> some documentation that says so. I'll accept "mailing list post
>> from some authoritative person [eg Grant Likely]" if necessary.
> 
> Kernel DT co-maintainer is not authoritative enough for you?

Peter, is that sufficient for me to send in the patch with a
board_id of -1? Thanks.

--Mark Langsdorf
Calxeda, Inc.