[RFC] Initial attempt to make ARM use LMB

[Shilimkar, Santosh]

> -----Original Message-----
> From: linux-omap-owner at vger.kernel.org [mailto:linux-omap-owner at vger.kernel.org] On Behalf Of Russell
> King - ARM Linux
> Sent: Friday, May 14, 2010 3:42 AM
> To: Tony Lindgren
> Cc: linux-arm-kernel at lists.infradead.org; linux-omap at vger.kernel.org; Tomi Valkeinen
> Subject: Re: [RFC] Initial attempt to make ARM use LMB
> 
> On Thu, May 13, 2010 at 03:01:39PM -0700, Tony Lindgren wrote:
> > * Russell King - ARM Linux <linux at arm.linux.org.uk> [100513 14:53]:
> > > On Thu, May 13, 2010 at 02:19:51PM -0700, Tony Lindgren wrote:
> > > > * Russell King - ARM Linux <linux at arm.linux.org.uk> [100513 10:35]:
> > > > > And here's a patch which converts the OMAP FB code to use lmb_reserve
> > > > > instead of poking about with bootmem stuff.  Untested, so I'd like to
> > > > > hear back whether it works.
> > > >
> > > > Did a quick test with the following patches picked from your lmb
> > > > branch on top of omap for-next branch:
> > > >
> > > > ARM: Remove useless linux/bootmem.h includes
> > > > ARM: Ensure meminfo is sorted prior to sanity_check_meminfo
> > > > ARM: initial LMB trial
> > > > ARM: Move platform LMB memory reservations out of generic code
> > > >
> > > > and then this patch.
> > > >
> > > > It does not boot.. It seems to be related to the patch
> > > > "ARM: initial LMB trial". If I only apply the first two patches
> > > > above the system boots.
> > >
> > > Hmm, I'm sure it worked for me when I tested it out.  Could you try
> > > booting with lmb=debug please?
> >
> > No other output with that it seems.
> 
> Hang on, you didn't pick up ARM: Move memory mapping into mmu.c ?

I just gave a try on OMAP3430 and it does boot for me. But fb doesn't
seems to be working. I have tried this on Tony's "omap-testing" 
branch where the LMB support is pulled in

*********************************************************
omapfb omapfb: failed to allocate framebuffer
omapfb omapfb: failed to allocate fbmem
omapfb omapfb: failed to setup omapfb
omapfb: probe of omapfb failed with error -12
twl_rtc twl_rtc: setting system clock to 2000-01-01 00:00:
***********************************************************
Regards,
Santosh