1#!/bin/bash 2# Copyright 2021 Google LLC 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# shellcheck source=meta-google/recipes-google/gpio/gpio-ctrl/lib.sh 17source /usr/share/gpio-host-pwr/lib.sh || exit 18 19if [[ "${1-}" == "warm" ]]; then 20 rst_txt='WARM' >&2 21 rst_gpio="$HOST_GPIO_WARM_RESET" 22else 23 rst_txt='COLD' >&2 24 rst_gpio="$HOST_GPIO_COLD_RESET" 25fi 26 27gpio_build_cache 10 "$rst_gpio" || exit 28 29# Do a quick push of the button if PGOOD 30echo "Issuing $rst_txt reset" >&2 31rc=0 32gpio_set_value "$rst_gpio" 1 || rc=$? 33sleep 0.1 34gpio_set_value "$rst_gpio" 0 || rc=$? 35 36# Make sure the watchdog is stopped while the host is in reset 37# and can't possibly restart it. 38host_pwr_stop_watchdog || true 39 40exit $rc 41