imx8m(n): garbage on serial line

[Fabio Estevam]

Hi Heiko,

On Fri, Jun 10, 2022 at 7:29 AM Heiko Thiery <heiko.thiery at gmail.com> wrote:

> Hit any key to stop autoboot:  0
> u-boot=> [25;88R
> Unknown command '[25' - try 'help'
> Unknown command '88R' - try 'help'

git bisect points me to an efi loader commit as the guilty one.

Can you please pass the line below into your imx8mn ddr3l evk board defconfig?

# CONFIG_EFI_LOADER is not set

Do you see serial console garbage in this case?

Just wanted to confirm if the error we are seeing is due to the efi
loader breakage.