diff options
Diffstat (limited to 'meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_reset.sh')
-rwxr-xr-x | meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_reset.sh | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_reset.sh b/meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_reset.sh new file mode 100755 index 000000000..2f48a1240 --- /dev/null +++ b/meta-google/recipes-google/host-power-ctrl/gpio-host-pwr/host_reset.sh @@ -0,0 +1,39 @@ +#!/bin/bash +# Copyright 2021 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +source /usr/share/gpio-host-pwr/lib.sh || exit + +if [[ "${1-}" == "warm" ]]; then + rst_txt='WARM' >&2 + rst_gpio="$HOST_GPIO_WARM_RESET" +else + rst_txt='COLD' >&2 + rst_gpio="$HOST_GPIO_COLD_RESET" +fi + +gpio_build_cache 10 "$rst_gpio" || exit + +# Do a quick push of the button if PGOOD +echo "Issuing $rst_txt reset" >&2 +rc=0 +gpio_set_value "$rst_gpio" 1 || rc=$? +sleep 0.1 +gpio_set_value "$rst_gpio" 0 || rc=$? + +# Make sure the watchdog is stopped while the host is in reset +# and can't possibly restart it. +host_pwr_stop_watchdog || true + +exit $rc |