From: Matt Sealey <matt@genesi-usa•com>
To: Marco Stornelli <marco.stornelli@coritel•it>
Cc: "M. Warner Losh" <imp@bsdimp•com>, linuxppc-embedded@ozlabs•org
Subject: Re: Quick question about dts
Date: Wed, 06 Aug 2008 13:22:31 +0100 [thread overview]
Message-ID: <48999787.1060107@genesi-usa.com> (raw)
In-Reply-To: <489802B3.805@coritel.it>
Marco Stornelli wrote:
> M. Warner Losh ha scritto:
>> I have a .dts file that works with 2.6.18 (MV Pro 5.0). I encode it
>> directly into the kernel image. However, when I try to use it with my
>> 2.6.23, 2.6.24 or 2.6.25 kernel trees, it doesn't work at all. In the
>> MV Pro 5.0 kernel, I hacked the startup sequence to store a pointer to
>> this blob in r3 so that it is moved in. I've done something similar
>> in -current (for reasons that are too complicated to really explain
>> well, we can't do this via the normal boot loader mechanisms). The
>> dtc complains that the interrupt-controller property is obsolete on
>> the chosen device.
>>
>> Does any documentation exist for how dts has evolved? I'd like to
>> forward port what I have without examining the .dts files from both
>> versions and guessing...
>>
>
> Check out the kernel documentation booting-without-of.txt of your version.
Better yet, go get the ePAPR specification from Power.org?
It's easier to read :)
--
Matt Sealey <matt@genesi-usa•com>
Genesi, Manager, Developer Relations
prev parent reply other threads:[~2008-08-06 12:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-05 6:56 Quick question about dts M. Warner Losh
2008-08-05 7:35 ` Marco Stornelli
2008-08-05 14:41 ` Warner Losh
2008-08-06 12:22 ` Matt Sealey [this message]
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