12 Nov
2013
12 Nov
'13
3:52 p.m.
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@denx.de
Applied to u-boot/master, thanks!
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Tom