[U-Boot] Please pull ARC changes

[Alexey Brodkin]

Hi Tom,

On Fri, 2018-03-23 at 09:33 -0400, Tom Rini wrote:
> On Fri, Mar 23, 2018 at 01:23:53PM +0000, Alexey Brodkin wrote:
> 
> > Hi Tom,
> > 
> > This is the first batch of ARC changes for the next release.
> > 
> > Here we:
> >  1. Significantly rework cache-related functionality.
> >     In particular that fixes coherency problems in some corner-cases,
> >     allows us to enable and disable caches in run-time and still
> >     have properly running system, finally support execution from
> >     real flash (before we used to run from DDR from the very beginning).
> > 
> >  2. Remove string routines implemented in assembly.
> >     That allows us to build and run U-Boot on wide range og ARC cores
> >     with different configurations. I.e. whatever tuning is used on GCC's
> >     command-line we'll get code for desired flavor of ARC.
> >     Otherwise for each and every corner-case we would need to add ifdefs
> >     in assembly code to accommodate missing instructions etc.
> > 
> >  3. Get use of GCC's garbage collector which helps to slim-down resulting image
> >     quite a bit.
> > 
> >  4. Also now we may disable U-Boot self-relocation for ARC if needed either
> >     by platform or for debugging purposes.
> 
> FYI, all of the above would be really good to put into a signed tag,
> next time :)

Sure will do!
Do you want me to do it now as well?

> > P.S. Do you have an idea when RC1 is going to be cut?
> >      We have some other pending changes and it's good to understand how much time
> >      we have for finalization if we want [and we do want] to still squeeze it all
> >      in the next release.
> 
> Should be April 2nd, per the ReleaseCycle wiki page.

Thanks for pointing to this article - very useful indeed.

-Alexey