[Buildroot] RPi B+ update

[Peter Korsgaard <peter@korsgaard.com>]

>>>>> "Marco" == Marco Trapanese <marcotrapanese@gmail.com> writes:

Hi,

 > Well, some good news. 
 > Using the latest versions of buildroot (2017.05-rc1-00062-g4b4fc27)
 > and kernel (4.9.21) I built an "empty" environment (without any
 > additional package but the rpi-firmware). Copying both zImage and the
 > fw files into the boot partition of the existing sd-card, leads to
 > boot-up again!

Great!

 > The problem now is related to the kernel drivers (wifi, rtc, cdc,
 > etc...) that I manually selected using make linux-menuconfig and that
 > were available (in the old rootfs) under /lib/modules/3.12.26. I'm
 > afraid the new kernel doesn't know where to find them - and perhaps it
 > cannot use them anyway because they are related to a different
 > version.

Yes, reusing the old kernel drivers with a new kernel is not going to
work.

 > It seems I need to update the whole system...

Unless the system boots with new fw and the old zImage. Did you try that
combination?


-- 
Bye, Peter Korsgaard