[U-Boot] Adding new partition in uboot

[Detlev Zundel <dzu@denx.de>]

Hi Wolfgang,

> Dear David Gibson,
>
> In message <20100401185147.GA17447@yookeroo> you wrote:
>>
>> > Let me know if we need to increase size of the blob or something which i m
>> > missing.
>> > This is going to help  a lot if you can reply.
>> 
>> For this case where there's a flash partition that's sometimes there
>> and sometimes not, it might be simpler to put all the partitions,
>> including the not-always-present ones in the dts.  Then you can use
>> fdt_nop_subnode() to remove the extra one on systems where it's not
>> present.
>
> A completely different approach woul dbe NOT to try defining the flash
> partitions in the device tree, but use command line partitioning in
> combination with the "mtdparts" command support in U-Boot. For
> frequently changing configurations this is probably the most flexible
> approach.

Actually we have code to fix up the flat device tree from the mtdparts value:

http://article.gmane.org/gmane.comp.boot-loaders.u-boot/76029/match=mtdparts

This is somewhat nicer than the "command line bottleneck" and we should
really start using it broadly.

Cheers
  Detlev

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