[U-Boot] Flash sanity checks

[Stefan Roese]

On Wednesday 30 September 2009 11:58:22 Dieter Kiermaier wrote:
> > We use Raw NAND/flash and copy the binary there,
> > After copy,
> > is there a way to check the flash sanity after we have burnt an image?
> > (e.g. by nand reading and diffing with the binary in RAM?)
> >
> > Are there any feature/utility/commands readily available for u-boot?
> 
> I've done it in the past by reading it back to ram and use cmp command.
> Maybe it is usefull for you, too?

Sure, this can be done. But the NAND driver core supports validation of 
written data using this configuration option:

CONFIG_MTD_NAND_VERIFY_WRITE

I would enable it only for test purposes though.

Cheers,
Stefan

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