imx8mn SPL serial output does not work after powerup

[Heiko Thiery]

Hi,

Am Mo., 13. Juni 2022 um 21:28 Uhr schrieb Fabio Estevam <festevam at gmail.com>:
>
> Hi Heiko,
>
> On Mon, Jun 13, 2022 at 4:16 PM Heiko Thiery <heiko.thiery at gmail.com> wrote:
>
> > Can anyone confirm the behavior?
>
> imx8mn ddr4 evk prints the SPL part just fine.
>
> Take a look at arch/arm/dts/imx8mn-ddr4-evk-u-boot.dtsi .
>
> It passes:
>
> &uart2 {
>       u-boot,dm-spl;
> };
>
> &pinctrl_uart2 {
>      u-boot,dm-spl;
> };
>
> Are you doing the same for the imx8mn ddr3 u-boot dtsi?

Indeed these are missing. Now I see the whole output from U-Boot but
the output from SPL is still missing. When enabloing SPL_DM_SERIAL the
board does not start.

-- 
Heiko