Initial commit

meta-quanta/meta-gbs/recipes-gbs/hotswap-power-cycle/files/hotswap-power-cycle.service

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+[Unit]
+Description=Power Cycle by Hotswap Controller
+After=gbmc-psu-hardreset.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/tray_powercycle.sh
+
+[Install]
+WantedBy=gbmc-psu-hardreset.target

meta-quanta/meta-gbs/recipes-gbs/hotswap-power-cycle/files/tray_powercycle.sh

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+#!/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

meta-quanta/meta-gbs/recipes-gbs/hotswap-power-cycle/gbs-hotswap-power-cycle.bb

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+SUMMARY = "Power Cycle by Hotswap Controller"
+DESCRIPTION = "Power Cycle by Hotswap Controller Daemon"
+PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+inherit systemd
+
+DEPENDS += "systemd"
+RDEPENDS:${PN} += "bash"
+RDEPENDS:${PN} += "libgpiod-tools"
+
+SRC_URI = " file://hotswap-power-cycle.service \
+            file://tray_powercycle.sh \
+          "
+
+do_install() {
+    install -d ${D}${systemd_system_unitdir}
+    install -m 0644 ${WORKDIR}/hotswap-power-cycle.service ${D}${systemd_system_unitdir}
+
+    install -d ${D}${bindir}
+    install -m 0755 ${WORKDIR}/tray_powercycle.sh ${D}${bindir}
+}
+
+SYSTEMD_PACKAGES = "${PN}"
+SYSTEMD_SERVICE:${PN} = "hotswap-power-cycle.service"
+