[U-Boot] [PATCH] mpc83xx: increase BOOTMAPSZ to 16MB

[Anton Vorontsov <avorontsov@ru.mvista.com>]

On Wed, Nov 12, 2008 at 03:57:13PM -0600, Kim Phillips wrote:
> On Thu, 6 Nov 2008 16:31:26 +0300
> Anton Vorontsov <avorontsov@ru.mvista.com> wrote:
> 
> > As space expands, so does the software. Today the kernel with built-in
> > initramfs image is likely to not fit into 8MB limit. It feels safe to
> > increase BOOTMAPSZ to 16MB, since the Linux actually maps 16MB on 6xx
> > PPCs (two BATs, 8MB each).
> > 
> > Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
> > ---
> > 
> > p.s. The patch for the whole tree is quite big, so let's start
> > with 83xx.
> 
> ack,

Great, thanks.

> I'm ok with this operation starting in 83xx land, but it may be
> worth investigating whether it can be made a one-shot directly with WD,
> just as the CFG_ -> CONFIG_SYS_ switch just happened.  dunno. If we
> don't hear from WD soon, I'll put this in mpc83xx's next branch.

Please don't queue this patch yet. I'll send an updated version
soon, that will also define CFG_BOOTM_LEN (so that bootm command
will able to gunzip 16MB images).

> > pp.s. Maybe we could fector out these defines into
> > include/configs/ppc6xx-common.h?
> 
> sure, but maybe that can wait until the base domain granularity becomes
> more accurately visible...

Ok, makes sense.

-- 
Anton Vorontsov
email: cbouatmailru at gmail.com
irc://irc.freenode.net/bd2