[U-Boot-Users] NAND flash programming via BDI2000 for ppc440epx.

[Wolfgang Denk]

In message <47D3FE4E.8174.1501DA7 at w.wegner.astro-kom.de> you wrote:
> 
> > You can as well use the BDI2000 to program the standard U-Boot image
> > to NOR flash, boot from NOR and then use U-Boot...
> 
> the problem is that this is not suitable for production use.

OK. Then you gotta spend some effort...

> It would be a very elegant solution to have U-Boot run from RAM with
> an environment in RAM to tell it what and where to flash... You could
> set up the environment while loading the data and would have a flexible
> flashing tool.

To set up the environment you normally just load and run a script.

> The only thing missing for this is a working CONFIG_MONITOR_IS_IN_RAM
> as far as I can see.

Actually this is not missing. All you need to do is to create a
configuration which (1) has a modfied TEXT_BASE and (2) skips the
memory initialization. But see
http://www.denx.de/wiki/view/DULG/CanUBootBeConfiguredSuchThatItCanBeStartedInRAM

Best regards,

Wolfgang Denk

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