[PATCH 2/5] arm: mvebu: Move internal registers in arch_very_early_init() function

Pali Rohár pali at kernel.org
Wed Jun 1 12:27:33 CEST 2022


On Friday 06 May 2022 14:44:48 Pali Rohár wrote:
> On Friday 06 May 2022 14:35:55 Stefan Roese wrote:
> > While doing this I noticed though, that kwboot UART booting only worked
> > in roughly 1 out of 2 cases. With no progress after this line:
> > 
> > Sending boot message. Please reboot the target...\
> > 
> > IIRC, this worked more reliable a few weeks ago. Any idea, what might
> > have caused this regression - if I am correct here?
> 
> There were changes in handling of bootrom boot message. There is option
> -s which can change default timeout option. And plus there is option -a
> which sets this timeout option to AXP value.
> 
> Default value is 50 and for AXP default value is 1000.
> 
> Maybe it is needed to tune AXP value... Try to call with -s option
> between 50 and 1000...

Hello Stefan! Have you tried to tune kwboot's -s or -a option for AXP board?


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