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→Watchdog
# Processor comes out of reset; internal watchdog is disabled
# U-Boot enables watchdog (timeout = 5 s); U-Boot main loop will take care of refreshing it
# Before giving control to Linux kernel, U-Boot will set up a long (e.g 180 seconds ) timeout. This is required in order to allow the kernel to complete the boot stage and to run the application that will handle the watchdog refresh
# Once the kernel boot process has completed, watchdog application will open the watchdog device file and will take care about its refresh (timeout = 10 s)
