[PATCH] arm: kirkwood: Enable uart0 dm-pre-reloc for Pogoplug V4 board

[Stefan Roese]

Hi Michael,

On 2/13/23 09:48, Michael Walle wrote:
> Am 2023-02-13 09:43, schrieb Stefan Roese:
>> On 2/10/23 22:08, Tony Dinh wrote:
>>> When DM_SERIAL is enabled, the device-tree tag u-boot,dm-pre-reloc is
>>> required for this board to boot over UART with kwboot. Enable this in
>>> kirkwood-pogoplug-series-4-u-boot.dtsi.
>>>
>>> Signed-off-by: Tony Dinh <mibodhi at gmail.com>
>>
>> Reviewed-by: Stefan Roese <sr at denx.de>
> 
> If I understood it correctly, this is a workaround, right? Maybe we
> can include a link to the original discussion here for the case when
> someone stumbles over this commit:
> 
> Link: https://lore.kernel.org/r/20230201080210.ypz4nrj4y2igwxz3@pali/

Correct, it's not fully understood, why this property is really needed.
Some bug still might be hidden in the early DT console code. Still we
want to move forward with this board, so this dm-pre-reloc property
helps here.

I'll add the link to the discussion to the commit text. Good idea.

Thanks,
Stefan