diff options
author | Matthew Barth <msbarth@us.ibm.com> | 2020-05-13 00:28:00 +0300 |
---|---|---|
committer | Andrew Geissler <geissonator@yahoo.com> | 2020-05-27 00:33:35 +0300 |
commit | d57ffb9bbeb828519c9ffe88ecaac460fde3de92 (patch) | |
tree | 835a5c140a2b8b22b80cc201084a4fff2f4900ea /meta-ibm/recipes-phosphor/fans/fan-watchdog | |
parent | a08d5da9fcb0f378d5bead60ccae1ae58775199f (diff) | |
download | openbmc-d57ffb9bbeb828519c9ffe88ecaac460fde3de92.tar.xz |
rainier: Add fan watchdog BMC protection
Configure and include the fan watchdog services to drive the fans to
100% PWM if the BMC loses communication to the fan controller chip at
any time (i.e. BMC reset while powered on).
(From meta-ibm rev: 1264216bc2f10cf08f697bc1c95f10237c95515a)
Change-Id: I18865bdc06c1a2be0c2a83d5e83402b9316ee845
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Diffstat (limited to 'meta-ibm/recipes-phosphor/fans/fan-watchdog')
2 files changed, 7 insertions, 0 deletions
diff --git a/meta-ibm/recipes-phosphor/fans/fan-watchdog/rainier/obmc/fan-watchdog/fan-watchdog.conf b/meta-ibm/recipes-phosphor/fans/fan-watchdog/rainier/obmc/fan-watchdog/fan-watchdog.conf new file mode 100644 index 0000000000..ce7824ccba --- /dev/null +++ b/meta-ibm/recipes-phosphor/fans/fan-watchdog/rainier/obmc/fan-watchdog/fan-watchdog.conf @@ -0,0 +1,3 @@ +TIMEOUT=5 +INTERVAL=1 +DEVICE=/dev/watchdog0 diff --git a/meta-ibm/recipes-phosphor/fans/fan-watchdog/rainier/obmc/fan-watchdog/reset-fan-watchdog.conf b/meta-ibm/recipes-phosphor/fans/fan-watchdog/rainier/obmc/fan-watchdog/reset-fan-watchdog.conf new file mode 100644 index 0000000000..98cb60288d --- /dev/null +++ b/meta-ibm/recipes-phosphor/fans/fan-watchdog/rainier/obmc/fan-watchdog/reset-fan-watchdog.conf @@ -0,0 +1,4 @@ +GPIO_PATH=/dev/gpiochip0 +GPIO=114 +DELAY=1 +ACTION=low_high |