[U-Boot] [PATCH 0/1] i.MX8QM ROM 7720 a1 board won't boot

[Peng Fan]

> Subject: Re: [PATCH 0/1] i.MX8QM ROM 7720 a1 board won't boot
> 
> On 16/08/19, Marcel Ziswiler wrote:
> > Hi Oliver
> >
> > On Fri, 2019-08-16 at 12:43 +0000, Oliver Graute wrote:
> > > I'am currently working on the following patch to get the imx8qm-
> > > rom7720-a1
> >
> > That version sounds suspiciously like it may be based on initial alpha
> > silicon from NXP which as far as I know is not supported anywhere any
> > more. Not even in downstream.
> >
> > If it has alpha silicon my suggestion is to throw it away and move on.
> >
> > > board working with recent u-boot v2019.07.
> >
> > v2019.07 has long since been released. So what you are talking about
> > would be any future release like v2020.01 as even the v2019.10 merge
> > window long since closed.
> >
> > > Unfortunaly I get no output on my
> > > serial line.
> >
> > Alpha chips came with different boot ROM requiring completely
> > different SCFW as far as I know.
> 
> I have to correct myself. After some investigation I can say that I have the
> B-Silicium of imx8qm on this board. So should I rename everything from a1 to
> b1?

Check scfw uart to see whether there is any output from scu uart.
Make sure you using and adapt scfw to your board.

Regards,
Peng.

> 
> Best regards,
> 
> Oliver