Re: RFC: Copying Device Tree File into reserved area of VMLINUX before deployment

From: Frank Rowand
Date: Mon Nov 20 2017 - 11:38:20 EST


On 11/20/17 06:44, Mark Rutland wrote:
> On Sun, Nov 19, 2017 at 11:23:42PM -0500, Frank Rowand wrote:
>> adding devicetree list, devicetree maintainers
>> On 11/18/17 12:59, Ulf Samuelsson wrote:
>>> I noticed when checking out the OpenWRT support for the board that they have a method to avoid having to pass the device tree address to the kernel, and can thus boot device tree based kernels with U-boots that
>>> does not support device trees.
>>> Is this something that would be considered useful for including in mainstream:
> On 32-bit arm, we support an appended DTB for cases like this. The DTB
> is appended to the end of the kernel image, rather than being embedded.

That is CONFIG_ARM_APPENDED_DTB, if you want to see what it looks like.

> Does mips not support something similar?
> Thanks,
> Mark.