[U-Boot] [RFC] command/cache: Add flush_cache command

[Albert ARIBAUD <albert.u.boot@aribaud.net>]

Hi Scott,

> Perhaps it could be, or the application could be altered to release  
> secondary cores through the spin table.  I don't think that excuses a  
> situation where some ways of putting a blob of bytes into RAM flush the  
> cache (to the extent the architecture requires it for the blob of bytes  
> to be executable) and others don't, and there's no way to do it  
> manually.

AFAIU there is.

>  Would you remove the "go" command entirely?  I think that  
> would be a mistake.

I do not see why you are talking about removing the "go" command. In
the 'worst' scenario (from an effort perspective), it would have to be
do a flush and possibly cache disable before branching to the payload;
in the 'best' scenario, it needs not be modified at all.

> -Scott

Amicalement,
-- 
Albert.