[U-Boot] U-Boot Scripting suggestions to decrement, counter in EEPROM.

[Wolfgang Denk]

Dear Tom Evans,

In message <49ADB5E7.8060604 at ceos.com.au> you wrote:
>
> > in u-boot you have better system that involve watchdog and bootcount
> 
> It is only currently supported on the PPC8260, requires spare words in a 

This is not correct. It is at least supported on 8xx, 8260 and 5200,
and easy to add to other processors.

> CPM SCC (or equivalent by writing bootcount_load() and bootcount_store() 
> functions) and is too simplistic for what I need to do. It might work if 
> the OS (after boot) could update the U-Boot Environment, but that's way 
> too much linking (between Linux and U-Boot) and I don't have a writeable 
> environment either.

And you think a writable EEPROM is a reliable way to store data? I say
only this: Good luck!


Best regards,

Wolfgang Denk

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