[U-Boot] [PATCHv2 09/13] arm: add Cortex A9 support

[Rabin VINCENT <rabin.vincent@stericsson.com>]

Hi Tom,

On Sun, Apr 11, 2010 at 10:45:41PM +0200, Tom wrote:
> Rabin Vincent wrote:
> > On Fri, Apr 9, 2010 at 6:57 PM, Vaibhav Bedia <vaibhav.bedia@gmail.com> wrote:
> >> As all Cortex processors implement the ARMv7 architecture a better grouping
> >> IMHO would be cpu/cortex/a8 and cpu/cortex/a9. The common stuff can be under
> >> cpu/cortex/.
> > 
> > Perhaps Tom can clarify if he's OK with this, since he wanted a separate
> > cpu/cortex_a9 directory to be created (The first version of my patch series
> > just put the Ux500 code into cortex_a8).
> > 
> > The only potential problem I see with this is that some fixups will have to be
> > done in the Makefiles for lib$(CPU).a generation since $(CPU) would have a
> > slash in it after this.  This could be avoided by keeping the SOC directories
> > for all Cortexes in cpu/arm_cortex itself instead of a8 and a9 subdirectories.
> > 
> > Rabin
> 
> The change the Nishanth proposed is better.
> I am ok with this change.
> 
> My concern with the original Ux500 code was not to include a9 in a8.
> As this would in the long run make for less readable and less maintainable code.
> The new change would mean less copying of files but more reordering.
> 
> I would suggest that 'fix me' warnings would be added to the a8 boards to defer 
> the reordering. The reordering need not all in the ux500 patchset.  If you want 
> to take up all the reordering, that is fine too.

I've posted a set of patches which adds the Makefile modifications
necessary to support this directory structure, and also moves all
Cortex-A8 SOCs into the new locations.   If you find those patches
acceptable, I'll rebase the Ux500 patchset based on top of that.

Rabin