[Buildroot] RPi B+ update
Peter Seiderer
ps.report at gmx.net
Tue May 16 21:23:54 UTC 2017
Hello Marco,
On Tue, 16 May 2017 21:32:26 +0200, Marco Trapanese <marcotrapanese at gmail.com> wrote:
> Hi!
> A couple of years ago (it was in 2015) I built a buildroot environment
> for RPi B+. We ended up with an sd-card image that was cloned for every
> installation.
> This months we've bought some other RPi B+ but with this batch the
> system refuses to boot: it hangs with black screen and the raspberry
> icon at the top-left corner.
>
> We're aware they have changed the RAM chips (from Samsung to Elpida) and
> likely we should update the drivers with the new ones.
>
> Here the buildroot related question: is it possible to change something
> in the current sd-card image instead of updating and rebuilding the
> whole system?
You can try to exchange only the firmware, device tree and the linux
kernel files on the first partition of the sd-card image with ones from
an actual build (after testing if the actual complete sd-card image
boots well)...
Regards,
Peter
>
> This is because if we need to go with the second option we're going to
> deeply upgrade the application and this is not affordable right now.
>
> Of course, feel free to ask any details you need to try to help me!
>
> Thanks in advance!
> Marco
>
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