2017-11-20 16:39:02

by Frank Rowand

[permalink] [raw]
Subject: Re: RFC: Copying Device Tree File into reserved area of VMLINUX before deployment

Ulf,

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.
>


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