[coreboot] .cb files

She, Kerry Kerry.She at amd.com
Tue Jan 4 07:25:55 CET 2011

Hi ali hagigat,

-----Original Message-----
From: coreboot-bounces at coreboot.org [mailto:coreboot-bounces at coreboot.org] On Behalf Of ali hagigat
Sent: Tuesday, January 04, 2011 1:30 PM
To: coreboot at coreboot.org
Cc: peter at stuge.se
Subject: Re: [coreboot] .cb files

Thank you. So devicetree.cb files are written by hand and the
compilation process does not use them? 
They are just some information for the developers?
[She, Kerry] no, during the compilation, sconfig will use it to generate the static device tree,
Please see util/sconfig, and build/mainboard/kontron/986lcd-m/static.c after your compilation.

#device pci 1e.2 off end # AC'97 Audio
It means that AC'97 Audio is on Bus#=1 and Function#=2?
But all the devices of the south bridge, ICH7 are on Bus number 0, as
far as I know.
Why you have not written, Bus number, Function number, Device number,
Register number clearly.
device pci 1d.0 on end, What does it mean, 1d.0?

On Mon, Jan 3, 2011 at 6:37 PM, Peter Stuge <peter at stuge.se> wrote:
> ali hagigat wrote:
>> How .cb files are created?
> As was pointed out already, by hand.
>> and what they are used for?
> Describing fixed parts of a system. What buses there are and what
> devices are on them.
> Please suggest how we can improve the syntax of .cb files.
> I want them to be self-documenting enough so that you can understand
> the above from just looking at the files. Can you help?
> //Peter
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