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Diffstat (limited to 'drivers/bootcount')
| -rw-r--r-- | drivers/bootcount/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/bootcount/Kconfig b/drivers/bootcount/Kconfig index e905295..40a0755 100644 --- a/drivers/bootcount/Kconfig +++ b/drivers/bootcount/Kconfig @@ -28,6 +28,18 @@ config BOOTCOUNT_AM33XX This requires the RTC clocks, etc, to be enabled prior to use and not all boards with this IP block on it will have the RTC in use. +config BOOTCOUNT_ENV + bool "Boot counter in environment" + help + 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 used. If "upgrade_available" is + 0, "bootcount" is always 0, if "upgrade_available" is + 1 "bootcount" is incremented in the environment. + So the Userspace Application must set the "upgrade_available" + and "bootcount" variable to 0, if a boot was successfully. + endchoice config SYS_BOOTCOUNT_SINGLEWORD |