MMC speed issue with RaspberryPi 3b, 3a+

[Mark Kettenis]

> From: Sergey Suloev <ssuloev at orpaltech.com>
> Date: Fri, 1 Oct 2021 11:01:18 +0300
> 
> Hello,
> 
> I have a problem with MMC speed while using U-boot 2021.07 with 
> raspberryPi - it takes about 2 min to fatload 15MB kernel file.
> 
> Any suggestions ?

Do you have a USB keyboard plugged in?