[U-Boot] [PATCH V9 2/4] omap-common: Add NAND SPL linux booting

[Mike Frysinger]

On Thursday 08 December 2011 05:14:36 Stefano Babic wrote:
> On 07/12/2011 19:47, Wolfgang Denk wrote:
> > Simon Schwarz wrote:
> >>> So if the parse function fails, we should have the fallback to u-boot,
> >>> exactly as we have now the fallback from u-boot.img to u-boot.bin.
> >> 
> >> Hm, I don't think that we want any fallback here. I would prefere an
> >> error message and hang. The direct boot is designed to be used in the
> >> field - so IMHO we don't want to start the bootloader automatically if a
> >> normal startup fails.
> > 
> > I feel it is better to start U-Boot and enable the user to analyze the
> > situation instead of just hanging hard.
> > 
> > Just my 0.02#
> 
> Personally I think also that having a fallback is a good idea. I have in
> mind a lot of boards that have not buttons or an available interface to
> a simple GPIO, making any interaction impossible. If we have not a
> fallback, we increase the risk for the end users to damage the boards if
> for example the kernel is updated.
> 
> Apart a mechanism with a GPIO, can we think to use in a simple way the
> console for this ? SPL supports it, and we could share the same
> mechanism for all boards, in such way as we stop the autoboot in U-Boot.

isn't this the purpose of the boot progress / led code ?
-mike
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