[U-Boot] [PATCH] mx53loco: Add support for SEIKO 4.3'' WVGA panel

Albert ARIBAUD albert.u.boot at aribaud.net
Sun Nov 4 15:33:12 CET 2012


Hi Marek,

On Thu, 25 Oct 2012 13:14:38 +0200, Marek Vasut <marex at denx.de> wrote:

> Dear Fabio Estevam,
> 
> CCing Albert.
> 
> > Hi Stefano,
> > 
> > On Thu, Oct 25, 2012 at 8:28 AM, Stefano Babic <sbabic at denx.de> wrote:
> > > Yes, I thins is due to the fact that size for the framebuffer is
> > > allocated before relocation. This was also a reason for me to migrate to
> > > CONFIG_VIDEO instead of CONFIG_LCD.
> > 
> > mx53loco.h defines CONFIG_VIDEO, not CONFIG_LCD.
> > 
> > I am suspecting alignment/gcc issues: with a gcc4.4 I can boot into a
> > prompt, but after typing any command and then "enter" the board
> > crashes and reboot.
> > 
> > With gcc4.7, then board hangs after the total RAM is displayed.
> > 
> > Regards,
> > 
> > Fabio Estevam

The board should normally not hang but throw a data abort. In any case,
try to run the board under a HW debugger to find out which exception
occurs.

> Best regards,
> Marek Vasut

Amicalement,
-- 
Albert.


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