On 01/16/2014 04:04 PM, Alex J Lennon wrote:
Hi Niklas,
On 16/01/2014 00:22, Niklas Molin wrote:
Hi.
I'm trying to figure out how the dts/dtsi and dtb files works, when
compiling for the sabreSD board.
Where can I find more info about this?
It appears to be a bit of a black art.
When creating a new dts file, keep in mind that you may want to leave
out certain board-level components that you won't be using (at first).
For example, I have boards that have non utilized FLASH, so I left out
the descriptions until I had time to get them right. Otherwise, the
kernel wouldn't boot properly.
Good luck.
The ePAPR document helped me a lot (seems to need a login now but I
believe it's the one I was referencing when I last looked at this)
https://www.power.org/documentation/epapr-version-1-1/
There was a presentation at ELCE 2013 which I also found useful. Device
Tree seems to be a bit of a work in progress,
http://www.youtube.com/watch?v=m_NyYEBxfn8&list=PLbzoR-pLrL6oxnDyb7IvnNOOBur7z_8tE&index=18
Hope this helps, Cheers,
Alex
When I checked in the imx6dlsabresd.conf, it pointed to some dtb (e.g.
imx6dl-sabresd.dtb) files (which seems to be some kind of binary files).
If I want to modify (enable/disable ports etc.) in my project, is it
ht edts and dtsi files I should use then.
Does these file have to be compiled in some way, to be included in the
sabresd project?
Thanks,
Niklas
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