[Librem-5-dev] devkit powers on but won't boot -- also other NXP Quad boards?

[Jeremiah C. Foster]

On Tue, 2019-07-02 at 12:02 -0400, Jeremiah C. Foster via Librem-5-dev
wrote:
> On Tue, 2019-07-02 at 07:25 -0600, Angus Ainslie via Librem-5-dev
> wrote:
> >     Hi Jeremiah,
>     
> >       I'm going to reflash to see if that has something to do with
> > my issue,but that feels like a shot in the dark. If that doesn't
> > work I guess Ineed to soder a UART debug header.
> >     
> 
>     From what you posted to the matrix channel it sounds like the
>       board is not getting past u-boot.
> 
> This seems highly plausible to me. 
> 
> >  I've seen this with a few images
> >       when the u-boot env isn't correct.
> 
> I think there has been some eMMC corruption so this is also highly
> likely.
> 
> >  If you point me at the image
> >       you used I might be able to diagnose it without you
> > connecting the
> >       debug header.
> > 
> >     
> > 
> >     Soldering on the debug header will make debugging way easier.
> 
> I think at this point this seems like the best approach.

I've ordered headers from Digikey and am going to test a quick and
dirty approach to see if I can get up and running again.

In the meantime I'd like to continue to be able to help Todd test and
am thinking about getting another iMX8 quad device. I wonder what
people think about this one; 
https://www.solid-run.com/product/SRMX8QDW00D03GE008V20C0/ ?

This is the same CPU and the same SoM I believe as our phone so it
seems appropriate. It obviously does not have a screen but I have a 7
HDMI touch screen that I believe I can use with this. This may turn out
to be an interesting way to test convergence or adaptive applications
since the screen is a different size from the phone.

What do others think?

Best,

Jeremiah
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