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Bug#773890: flash-kernel: No entry for BeagleBone Black when running 3.18 kernel



On Sun, Dec 28, 2014 at 6:26 PM, Vagrant Cascadian <vagrant@debian.org> wrote:
> On 2014-12-28, Ian Campbell wrote:
>> OOI, do you know how broken the white is when booting with the black's
>> DTB? Completely unusable, missing some minor peripheral or somewhere in
>> the middle?
>
> They are very similar, but I'm not familiar enough with the white to
> know for sure.
>
> Maybe someone on debian-arm knows?

Oh you definitely don't want to run the wrong *.dtb on the black/white..

In u-boot the findfdt function will correctly set the fdtfile variable.

http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/am335x_evm.h;hb=HEAD#l176

Notice:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/arm/boot/dts/am335x-boneblack.dts?id=2ba3549352277514a8e4790adff77a783ee1b9e2

IMPORTANT: booting the existing am335x-bone.dts will blow up the HDMI
transceiver after a dozen boots with an uSD card inserted because LDO
will be at 3.3V instead of 1.8.

Also the 'white' uses DDR2, while the 'black" uses DDR3

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/


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