From: Grant Likely <grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org>
To: Rajendra Nayak <rnayak-l0cyMroinI0@public.gmane.org>,
devicetree-discuss
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>
Subject: Re: DT and endianness
Date: Wed, 18 May 2011 09:56:17 -0600 [thread overview]
Message-ID: <BANLkTi=7s0p8qXLoirSZksyfkx3vBhYCBQ@mail.gmail.com> (raw)
In-Reply-To: <4DD38BFA.7090904-l0cyMroinI0@public.gmane.org>
On Wed, May 18, 2011 at 3:06 AM, Rajendra Nayak <rnayak-l0cyMroinI0@public.gmane.org> wrote:
> Hey Grant,
>
> I have been working over the last few days trying to
> evaluate what part of the data files in OMAP can be moved
> to Device tree. One basic issue I am stuck with trying
> to extract data out of the device tree blob is the
> endianess differences. The dtb file seems to be in
> big-endian format while my kernel is compiled for
> little-endian. I know this might be quite a common
> issue with all ARM arch;s but I could not find any
> obvious pointers on how to get around this.
> Any help is greatly appreciated.
Yes, the dtb data is always big-endian encoded, regardless of
architecture. This is on purpose so that any arch can parse any other
architecture's dtb format. be32_to_cpu() is your friend.
g.
>
> Thanks,
> Rajendra
>
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
parent reply other threads:[~2011-05-18 15:56 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <4DD38BFA.7090904-l0cyMroinI0@public.gmane.org>]
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