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From: Jon Loeliger <jdl@freescale.com>
To: Leonid <Leonid@a-k-a.net>
Cc: linuxppc-embedded@ozlabs.org
Subject: Re: Device tree for powerpc boards.
Date: Fri, 13 Jun 2008 12:49:37 -0500	[thread overview]
Message-ID: <4852B331.9060004@freescale.com> (raw)
In-Reply-To: <406A31B117F2734987636D6CCC93EE3C03A7042C@ehost011-3.exch011.intermedia.net>

Leonid wrote:
> Hi:

Hi.

> 1) Is the usage of device tree absolutely mandatory for powerpc boards
> or just recommended and by combining appropriate defines in u-boot and
> linux it can be avoided? 

Consider it mandatory.

> 2) I understood that I can add my proprietary drivers without creating
> nodes for them in the tree, is it correct?

Maybe, maybe not.  Device Trees describe _hardware_, not drivers.

> 3) In order to compile DT blob from DT source, DT compiler (dtc) is
> required. I have installed one on my ubuntu machine and successfully
> compiled source, creating a blob. Is this the only way to go? Perhaps
> there is some target in Linux or u-boot Makefiles which does this job? 

Install the DTC anyway you want.  I recommend grabbing
it from jdl.com and building it.

jdl

  reply	other threads:[~2008-06-13 17:49 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-13 17:07 Device tree for powerpc boards Leonid
2008-06-13 17:49 ` Jon Loeliger [this message]
2008-06-13 22:13   ` Leonid

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