[U-Boot] [U-Boot, v3, 1/5] bootcount: store bootcount var in environment

Tom Rini trini at ti.com
Tue Nov 12 15:52:15 CET 2013


On Mon, Nov 04, 2013 at 02:04:59PM +0100, Heiko Schocher wrote:

> If no softreset save registers are found on the hardware
> "bootcount" is stored in the environment. To prevent a
> saveenv on all reboots, the environment variable
> "upgrade_available" is introduced. If "upgrade_available" is
> 0, "bootcount" is always 0 therefore no need to save the
> environment on u-boot boot, if "upgrade_available" is 1 "bootcount"
> is incremented in the environment and environment gets written
> on u-boot start.
> So the Userspace Applikation must set the "upgrade_available"
> and "bootcount" variable to 0 (for example with fw_setenv),
> if a boot was successfully.
> 
> Signed-off-by: Heiko Schocher <hs at denx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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