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Diffstat (limited to 'meta-facebook/meta-wedge/recipes-wedge/fbutils/files/wedge_power.sh')
| -rw-r--r-- | meta-facebook/meta-wedge/recipes-wedge/fbutils/files/wedge_power.sh | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/wedge_power.sh b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/wedge_power.sh new file mode 100644 index 0000000..5ba5311 --- /dev/null +++ b/meta-facebook/meta-wedge/recipes-wedge/fbutils/files/wedge_power.sh @@ -0,0 +1,201 @@ +#!/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/fbpackages/utils/ast-functions + +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 +} + +# Because the voltage leak from uS COM pins could cause uS to struck when transitting +# from S5 to S0, we will need to explicitely pull down uS COM pins before powering off/reset +# and restoring COM pins after + +pull_down_us_com() { + # set GPIOL6 and GPIOL7 low + devmem_clear_bit $(scu_addr 84) 22 + devmem_clear_bit $(scu_addr 84) 23 + gpio_set 94 0 + gpio_set 95 0 + # now, connect uart from BMC to the uS + gpio_set 32 1 +} + +restore_us_com() { + devmem_set_bit $(scu_addr 84) 22 + devmem_set_bit $(scu_addr 84) 23 + # if sol.sh is running, keep uart from uS connected with BMC + if ps | grep sol.sh > /dev/null 2>&1; then + gpio_set 32 1 + else + gpio_set 32 0 + fi +} + +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 + 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 + # then, put GPIOP7 (127) to low + gpio_set 127 0 + # generate the power on pulse + gpio_set 25 0 + sleep 1 + gpio_set 25 1 + sleep 1 + restore_us_com + # Turn on the power LED (GPIOE5) + /usr/local/bin/power_led.sh on + echo " Done" + return 0 +} + +do_off() { + echo -n "Power off microserver ..." + pull_down_us_com + # 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 ..." + pull_down_us_com + # then, put GPIOP7 (127) to low + gpio_set 127 0 + gpio_set 17 0 + sleep 1 + gpio_set 17 1 + sleep 1 + restore_us_com + 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 $? |
