[U-Boot] [RFC PATCH] arm: bootm: Boot kernel with U-Boot's FDT blob

[york sun]

On 01/10/2017 05:02 AM, Alexander Graf wrote:
> On 01/10/2017 01:58 PM, Michal Simek wrote:
>> U-Boot configured via DTB can use the same DTB for booting the kernel.
>> When OF_CONTROL is used fdtcontroladdr is setup and can be use for boot.
>>
>> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
>> ---
>>
>> Didn't check if there is any side effect or not but it looks weird when
>> you have DT driver u-boot that you have to load dtb again.
>
> I agree, and I think it's very reasonable to try and use the same device
> tree for U-Boot and Linux.
>

Size is a concern. U-Boot only uses a small portion of the device tree. 
If the complete device tree is embedded into U-Boot, the size increases 
quite a bit.

York