[Buildroot] designing a firmware update mechanism

Jérôme Pouiller jezz at sysmic.org
Fri Jan 18 11:30:28 UTC 2013


On Thursday 17 January 2013 14:09:33 John Stile wrote:
[...]
> So far I am trying to split NAND in redundant halves (each with a copy
> of uboot + uboot-env + kernel + roofs), and modify at91bootstrap to
> choose which uboot to load, based on something inside the uboot-env
> areas.
> 
> Will I need to compile 2 versions of uboot, differing only in where to
> look for the uboot-env, or is there another way?  
Two different version of firmware does not looks a good idea. at91bootstrap 
knows which copy of uboot is started/I suggest to find a way to pass this 
information to uboot. With this information, uboot know which uboot-env to 
use.

[...]

-- 
Jérôme Pouiller



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