Re: Device tree flattening code not copying properties from blob

[Walter Goossens <waltergoossens-CmkmPbn3yAE@public.gmane.org>]

On 06/12/13 20:23, Grant Likely wrote:
> On Wed, Jun 12, 2013 at 6:33 PM, Collins, Rod
> <Rod.Collins-eu1g02Y2shuDvotElmWtJA@public.gmane.org> wrote:
>> The blob is built into the zImage.initramfs.gz image which is put into
>> flash. The zImage.initramfs.gz is self copied from flash to RAM, then
>> uncompressed to the running area. I will dig into the location of the
>> blob in the image and report back.
> Thanks. If it is appended to the zImage wrapper, then things should be
> fine (this is the expected way to do when not passed in from the
> bootloader). If a *.dtb.o target has been used to embedded it into the
> kernel-proper (vmlinux) then you will have a problem. The *.dtb.S
> target puts the dtb data into the dtb.init.rodata section which gets
> discarded.
>
> g.

Hi Grant,

you're right that's exactly what nios2 is doing...
I guess we could modify the section where it gets loaded but that sounds
to me a bit like a hack... What is the best target to look at for a
clean, similar solution? Arm with CONFIG_ARM_APPENDED_DTB?

Walter
> _______________________________________________
> devicetree-discuss mailing list
> devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org
> https://lists.ozlabs.org/listinfo/devicetree-discuss
>