On Sun, 11 Mar 2018 12:30:16 +0100
"H. Nikolaus Schaller" <h...@goldelico.com> wrote:

[...]
> Yes, the RS232 serial console cable would be the easiest approach to look
> what the device is doing/reporting. But if you don't have it, it does not 
> help.
> 
> Do you by any chance know when you did last time flash the boot loader?
> 
> There might be something incompatible with old and latest versions we don't
> know yet.
> 
> Maybe the u-boot environment of an old boot loader in NAND flash breaks
> booting a new one and must be reset (which does not work if the device
> does not boot).
> 
> In that case you could try to reflash or completely boot the old boot loader
> from an µSD where the old boot loader is stored on.
> 
> We have an archive of all boot loader binaries and sources:
> 
>       http://download.goldelico.com/letux-u-boot/GTA04/
> 
> and
> 
>       http://download.goldelico.com/gta04-u-boot/
> 
> but without roughly knowing the version it is difficult to guess and write
> instructions for preparing an µSD for that.
> 
Well, the usb-nand flash script does reset the environment, so it
should be a solution for such problems. I just need to build an easy to
use package for that... So paving the way a bit.

Regards,
Andreas

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