Converting to DM SERIAL for Kirkwood boards

[Stefan Roese]

Hi Tony,

On 12/19/22 07:17, Stefan Roese wrote:

<snip>

>> git checkout 37bb396669b27aa62fe8bc5eeb6bfde92e09c2d3
>> Previous HEAD position was 3b44b3fdf2 arm: mvebu: Add support for
>> programming LD0 and LD1 eFuse
>> HEAD is now at 37bb396669 timer: orion-timer: Only init timer once
>>
>> This is where the Pogo V4 was frozen during boot. Among the Kirkwood
>> boards that I have and used for testing, it is the only one that has
>> CONFIG_BOOTSTAGE=y.
> 
> Thanks for testing and git bi-secting.
> 
>> Should I create a new post for would like to continue this topic here
>> in this thread?
> 
> Let me check, if I can find the root cause and this problem quickly. If
> not, then we should probably disable CONFIG_BOOTSTAGE on the Pogo v4 for
> a short while until we've fixed this issue.

I fail to spot the problem with this small commit 37bb396669b27a. I can
also not reproduce this on my Armada XP board - it uses SPL though, this
might make a difference.

Could you perhaps apply this attached debug patch and make sure, that
you have DEBUG_UART enabled in your Pogo v4 config. And boot into the
resulting image.

Thanks,
Stefan
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