Falcon Mode Support For Uncompressed Kernel Images

[Tom Rini]

On Mon, Jan 31, 2022 at 10:23:58AM -0500, Nathan Barrett-Morrison wrote:

> Hi Tom,
> 
> Yea, I'm not sure if uncompressed ARM32 would work, but I don't believe it
> was ever working to begin with... as bootz_setup is being called right now
> ( @ https://source.denx.de/u-boot/u-boot/-/blob/master/common/spl/spl.c#L366
> )
> 
> My intent was for SPL_OS_BOOT_UNCOMPRESSED to only be used for platforms
> which need booti_setup (ARM64, ...).
> 
> So... I could add a dependency on ARM64 in the config option or I could
> remove the option altogether and let the booti_setup fail and fallback to
> bootz_setup.  Would either of those work for you?

The code and logic overall needs a bit of refactoring to support
"booti", "bootz" and also FIT images.  I believe FIT images are how
anyone doing falcon mode on arm64 has worked thus far.  booti/bootz
should only be an option when CMD_BOOTI/Z is set, and FIT should depend
on SPL_LOAD_FIT already.

-- 
Tom
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