Re: dtb for pandaboard

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* Dennis Gilmore <dennis@xxxxxxxx> [120711 06:53]:
> On Wed, 11 Jul 2012 00:42:33 -0700
> Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> > 
> > Sounds like it's some kind of issue with dtb getting overwritten
> > by something. We had an issue where kernel BSS was overlapping dtb
> > in some cases, but those should be fixed.
> 
> seems that they are not all fixed appending the dtb allows me to boot i
> could try loading the dtb at a different address. 

OK sounds like that's the issue then, hopefully moving the dtb around
helps.
 
> > Maybe try to leave out ARCH_OMAP2 and ARCH_OMAP3 and maybe CONFIG_NET
> > from your .config to make the kernel smaller and see if that makes
> > a difference?
> > 
> > If that works, then moving the dtb address in uEnv.txt should help.
> > 
> > Also, please check if the same issue happens with appended dtb:
> with the appended dtb image im back to where i was not using a dtb file
> at all.  that is that omap is not being autoloaded. and the sdcard so
> rootfs never shows up.  i get dropped to a dracut rescue shell where if
> i manually modprobe omap  nothing is happening. 

If the SD card is not detected with appended dtb either, the card
voltages may not be supported. I believe Rajendra mentioned in some
mail that we're still missing some voltage settings for the DT case
for omap_hsmmc.c. In that case the card should work for the non-DT
booting though.

Regards,

Tony
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