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#!/bin/bash
#
# Copyright 2014-present Facebook. All Rights Reserved.
#
# This program file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program in a file named COPYING; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301 USA
#
. /usr/local/bin/openbmc-utils.sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin
prog="$0"
usage() {
echo "Usage: $prog <command> [command options]"
echo
echo "Commands:"
echo " status: Get the current microserver power status"
echo
echo " on: Power on microserver if not powered on already"
echo " options:"
echo " -f: Re-do power on sequence no matter if microserver has "
echo " been powered on or not."
echo
echo " off: Power off microserver ungracefully"
echo
echo " reset: Power reset microserver ungracefully"
echo " options:"
echo " -s: Power reset whole wedge system ungracefully"
echo
}
do_status() {
echo -n "Microserver power is "
if wedge_is_us_on; then
echo "on"
else
echo "off"
fi
return 0
}
do_on() {
local force opt pulse_us n retries
force=0
while getopts "f" opt; do
case $opt in
f)
force=1
;;
*)
usage
exit -1
;;
esac
done
echo -n "Power on microserver ..."
if [ $force -eq 0 ]; then
# need to check if uS is on or not
if wedge_is_us_on 10 "."; then
echo " Already on. Skip!"
return 1
fi
fi
# first make sure, GPIOD1 (25) is high
gpio_set 25 1
sleep 1
# then, put GPIOP7 (127) to low
gpio_set 127 0
pulse_us=500000 # 500ms
retries=3
n=1
while true; do
# first make sure, GPIOD1 (25) is high
gpio_set 25 1
usleep $pulse_us
# generate the power on pulse
gpio_set 25 0
usleep $pulse_us
gpio_set 25 1
sleep 3
if wedge_is_us_on 1 '' 1; then
break
fi
n=$((n+1))
if [ $n -gt $retries ]; then
echo " Failed"
return 1
fi
echo -n "..."
done
# Turn on the power LED (GPIOE5)
/usr/local/bin/power_led.sh on
echo " Done"
return 0
}
do_off() {
echo -n "Power off microserver ..."
# first make sure, GPIOD1 (25) is high
gpio_set 25 1
# then, put GPIOP7 (127) to low
gpio_set 127 0
gpio_set 25 0
sleep 5
gpio_set 25 1
# Turn off the power LED (GPIOE5)
/usr/local/bin/power_led.sh off
echo " Done"
return 0
}
do_reset() {
local system opt
system=0
while getopts "s" opt; do
case $opt in
s)
system=1
;;
*)
usage
exit -1
;;
esac
done
if [ $system -eq 1 ]; then
echo -n "Power reset whole system ..."
rmmod adm1275
i2cset -y 12 0x10 0xd9 c
else
if ! wedge_is_us_on; then
echo "Power resetting microserver that is powered off has no effect."
echo "Use '$prog on' to power the microserver on"
return -1
fi
echo -n "Power reset microserver ..."
# then, put GPIOP7 (127) to low
gpio_set 127 0
gpio_set 17 0
sleep 1
gpio_set 17 1
sleep 1
fi
echo " Done"
return 0
}
if [ $# -lt 1 ]; then
usage
exit -1
fi
command="$1"
shift
case "$command" in
status)
do_status $@
;;
on)
do_on $@
;;
off)
do_off $@
;;
reset)
do_reset $@
;;
*)
usage
exit -1
;;
esac
exit $?
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