Quick question about dts
Matt Sealey
matt at genesi-usa.com
Wed Aug 6 22:22:31 EST 2008
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 dtc complains that the interrupt-controller property is obsolete on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 at genesi-usa.com>
Genesi, Manager, Developer Relations
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