39 lines
1009 B
Bash
39 lines
1009 B
Bash
|
#!/bin/bash
|
||
|
|
#
|
||
|
|
# PSU hard reset (power cycle) script.
|
||
|
|
#
|
||
|
|
# Power cycle the entire tray by setting the PSU hotswap reset (GPIO218) to high
|
||
|
|
#
|
||
|
|
# Global variable: PSU_HARDRESET_DELAY specifies the number of seconds to wait
|
||
|
|
# before pulling the trigger. If not specified or zero, the script power cycles
|
||
|
|
# immediately.
|
||
|
|
|
||
|
|
##################################################
|
||
|
|
# Stop the phosphor-hwmon daemon
|
||
|
|
# Return:
|
||
|
|
# 0 if success, non-zero if error
|
||
|
|
##################################################
|
||
|
|
stop_phosphor_hwmon() {
|
||
|
|
if (( $# != 0 )); then
|
||
|
|
echo 'Usage: stop_phosphor_hwmon' >&2
|
||
|
|
return 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo "Stopping phosphor-hwmon" >&2
|
||
|
|
local srv='system-xyz.openbmc_project.Hwmon.slice'
|
||
|
|
systemctl stop "${srv}"
|
||
|
|
}
|
||
|
|
|
||
|
|
main() {
|
||
|
|
# Stop phosphor-hwmon so that ADM1272 powercycle doesn't happen
|
||
|
|
# in the middle of an i2c transaction and stuck the bus low
|
||
|
|
stop_phosphor_hwmon "$@"
|
||
|
|
|
||
|
|
gpioset gpiochip6 26=1
|
||
|
|
}
|
||
|
|
|
||
|
|
# Exit without running main() if sourced
|
||
|
|
if ! (return 0 2>/dev/null) ; then
|
||
|
|
main "$@"
|
||
|
|
fi
|