Hi,

Not exactly Yocto related, but was wondering if anyone have (new) ideas here.

I have HW that has Congate TCA-3 board with Atom E3826 processor
running Linux and there is need to relay information from Linux to
bootloader for next warm boot. I only need few bytes. This information
is used to determine if to boot secondary system on device or if to
execute factory reset etc.

Any idea where/how to store the information so it'd be (somewhat)
easily accessible in bootloader(grub)? Congatec has their own CGOS
system, but it's way too big for this job and doesn't work outside
Linux. I'm not entirely sure if writing to RAM is good idea ie. can it
lose it content on reboot?

Of course generic approach would be nice, but Atom E3826 specific is
also fine atm.

-TeemuK
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