[U-Boot] [U-boot] CONFIG_FIT and CONFIG_OF_LIBFDT

[Tom Rini]

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On 08/26/2013 09:32 PM, TigerLiu at viatech.com.cn wrote:
> Hi,Rini: Thanks for your reply!
>>> Just use FDT as kernel parameter passed to linux kernel's
>>> entry
> point?
>> 
>> That is one use, yes.  But that may or may not be a recommended
>> way to store the FDT for a platform (based on some discussion on
>> the devicetrees mailing list, while there's no formal
>> recommendations yet, having the shipped with platform FDT be done
>> in such a way that it can be updated is strongly encouraged,
>> possibly without having to replace the rest of the firmware as
>> that's seen as a possible way to brick the hardware).
>> 
>> If you're planning on shipping hardware soon, with a device tree 
>> embedded within it, I would strongly encourage talking with 
>> devicetrees at vger.kernel.org about how to best do it, for your
>> platform.
> 
> So, based on your experience: Do most ARM SOC production vendors
> adopt which way to store dtb binary?
> 
> I think storing dtb binary into a dedicated nv-storage(such as :
> some blocks in NAND chip) is a better way.

The best way to do it is something being actively discussed as today
not many vendors do but we're rapidly approaching the point where
vendors ship hardware with kernels that use DT for most things so the
problem needs to be solved, or at least recommendations made.

- -- 
Tom
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