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Diffstat (limited to 'Documentation/user')
| -rw-r--r-- | Documentation/user/watchdog.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/user/watchdog.rst b/Documentation/user/watchdog.rst index ff400317a0..0220965598 100644 --- a/Documentation/user/watchdog.rst +++ b/Documentation/user/watchdog.rst @@ -10,6 +10,15 @@ the bootloader. For these scenarios barebox provides the watchdog framework with the following functionality and at least ``CONFIG_WATCHDOG`` should be enabled. +Disabling for development +~~~~~~~~~~~~~~~~~~~~~~~~~ + +The shorthand command ``wd -x`` will disable all watchdogs. +If hardware (or driver) doesn't support turning off the watchdog, +an autpoller will be registered to periodically feed watchdogs. +This should only be needed for development. +See :ref:`boot-watchdog-timeout` for how to use the watchdog in the field. + Polling ~~~~~~~ @@ -98,6 +107,8 @@ device tree or via the ``priority`` device parameter. Normally, watchdogs that have a wider effect should be given the higher priority (e.g. PMIC watchdog resetting the board vs. SoC's watchdog resetting only itself). +.. _boot-watchdog-timeout: + Boot Watchdog Timeout ~~~~~~~~~~~~~~~~~~~~~ |