imxrt1020 EVK u-boot doesn't run.

Giulio Benetti giulio.benetti at
Sun Apr 4 20:51:05 CEST 2021

Hi Nicolas,

On 4/4/21 7:56 PM, Giulio Benetti wrote:
>>> Would you have any idea what is going on?
> I've just entered debugging and two things came out:
> 1) in board/freescale/imxrt-1020-evk/imxrt1020-evk.c when calling
> spl_dram_init() there is some printf() inside that gets called, but that
> happens before calling preloader_console_init() that set serial up, so
> this is the reason why there is no output at all.

Can you please try to apply this patch [1] to check if uart starts to 
work and giving you this message [2]?

[2]: ```
U-Boot SPL 2021.04-rc5-00518-ga0da06d2f8-dirty (Apr 04 2021 - 19:49:47 
Could not initialize timer (err -19)

Thank you
Giulio Benetti
Benetti Engineering sas

> 2) I've completely ignored(wrongly) having a timer and at that time
> u-boot allowed it getting a tick-count always at 0, so every delay
> called return immediatly with 0. This is not possible anymore and I need
> to finish writing gpt-timer driver I was writing.
> So please let me finish that gpt-driver timer and I'll send patches to
> fix imxrt1020/50-evk.
>>> I really appreciate your help, sorry to bother you, but I'm breaking my
>>> mind thinking why this doesn't run on my EVK.
>>> Many thanks.
> Best regards
> and happy easter! :-)

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