On Sat, 23 Jul 2011 19:37:53 +0200, Ben Hutchings <b...@decadent.org.uk> wrote:
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> By writing to whichever flash partition they're in.

Oh, it's not in a "partition" like a disk partition...

> Is that because, as with everything on ARM, it's done differently on
> each board?  How do users set these variables in the first place?

They interrupt the boot over a serial console and talk to the command
line u-boot interface, telling it to set and save various variables into
an SPI-attached memory part.  It's as if on a PC you had to interrupt
the boot and touch the BIOS config.

Bdale

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