Re: bootloader support for DTB on x86

Hi,

On Tue, May 22, 2012 at 2:56 PM, Thierry Reding <
thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org> wrote:

Hi,

I was looking at booting an x86-based platform using DT. However I wasn't
able to find a bootloader that supports this. There also doesn't seem to
be a
method to append the DTB to the zImage (which I wouldn't want to use
anyway).
Does anybody know of a bootloader that supports this?

Maybe U-Boot with a FIT image? Also, you should support having multiple
device trees in the image and the boot loader selecting the correct one.

I don't think we should rely on there being an initrd - what do we do if
there isn't one?

I'm currently using syslinux (specifically extlinux) and was looking at
perhaps adding the support myself based on the information given in
Documentation/x86/boot.txt. However I'm not overly familiar with syslinux
code and this could prove more difficult than I anticipate.

The only x86 platforms that use DT seem to be OLPC and CE4100 and according
to the web the OLPC has a complete OF implementation. Does anyone know
which
bootloader the CE4100 uses?

Thierry

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Regards,
Simon