Initial commit

meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/detect-sled-present_0.1.bb

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+SUMMARY = "Bletchley SLED Present Service"
+DESCRIPTION = "OpenBMC Quanta Detect Present Daemon."
+PR = "r1"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+inherit obmc-phosphor-systemd
+
+DEPENDS += "systemd"
+RDEPENDS:${PN} += " bash phosphor-gpio-monitor-presence"
+
+SRC_URI = " file://detect-sled-present \
+            file://detect-sled-present@.service \
+            file://bletchley-sled-insertion@.target \
+            file://bletchley-sled-removal@.target \
+          "
+
+do_install() {
+    install -d ${D}${bindir}
+    install -m 0755 ${WORKDIR}/detect-sled-present ${D}${bindir}/
+
+    install -d ${D}${systemd_system_unitdir}
+    install -m 0644 ${WORKDIR}/detect-sled-present@.service ${D}${systemd_system_unitdir}
+    install -m 0644 ${WORKDIR}/bletchley-sled-insertion@.target ${D}${systemd_system_unitdir}
+    install -m 0644 ${WORKDIR}/bletchley-sled-removal@.target ${D}${systemd_system_unitdir}
+}
+
+TGT = "${SYSTEMD_DEFAULT_TARGET}"
+
+SLED_PRESENT_INSTFMT="../detect-sled-present@.service:${TGT}.wants/detect-sled-present@{0}.service"
+SYSTEMD_SERVICE:${PN} += "detect-sled-present@.service"
+SYSTEMD_LINK:${PN} += "${@compose_list(d, 'SLED_PRESENT_INSTFMT', 'OBMC_HOST_INSTANCES')}"
+
+SLED_INSERT_INSTFMT="../bletchley-sled-insertion@.target:${TGT}.wants/bletchley-sled-insertion@{0}.target"
+SYSTEMD_SERVICE:${PN} += "bletchley-sled-insertion@.target"
+SYSTEMD_LINK:${PN} += "${@compose_list(d, 'SLED_INSERT_INSTFMT', 'OBMC_HOST_INSTANCES')}"
+
+SLED_REMOVE_INSTFMT="bletchley-sled-removal@.target:bletchley-sled-removal@{0}.target"
+SYSTEMD_SERVICE:${PN} += "bletchley-sled-removal@.target"
+SYSTEMD_LINK:${PN} += "${@compose_list(d, 'SLED_REMOVE_INSTFMT', 'OBMC_HOST_INSTANCES')}"

meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-insertion@.target

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+[Unit]
+Description=Bletchlet SLED%i insertion target
+
+Requires=chassis-poweron@%i.service
+After=chassis-poweron@%i.service
+Requires=motor-init-calibration@%i.service
+After=motor-init-calibration@%i.service
+Conflicts=bletchley-sled-removed@%i.target
+
+RefuseManualStop=yes

meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/bletchley-sled-removal@.target

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+[Unit]
+Description=Bletchlet SLED%i removal target
+
+Conflicts=motor-init-calibration@%i.service
+Conflicts=chassis-poweron@%i.service
+Conflicts=bletchley-sled-insertion@%i.target
+
+RefuseManualStop=yes

meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/detect-sled-present

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+#!/bin/bash
+
+SLED_ID=$1
+SERVICE_NAME="xyz.openbmc_project.Inventory.Manager"
+PRESENT_OBJPATH="/xyz/openbmc_project/inventory/system/chassis/presence/presence_sled${SLED_ID}"
+DBUS_PROPERTY_INTF="org.freedesktop.DBus.Properties"
+
+bind_i2c_driver()
+{
+    I2C_BUS_ADDR=$1
+    DRIVER_NAME=$2
+    DRIVER_DIR="/sys/bus/i2c/drivers/${DRIVER_NAME}"
+    if [ ! -e "${DRIVER_DIR}/${I2C_BUS_ADDR}" ]; then
+        echo "${I2C_BUS_ADDR}" > "${DRIVER_DIR}"/bind
+    fi
+}
+
+unbind_i2c_driver()
+{
+    I2C_BUS_ADDR=$1
+    DRIVER_NAME=$2
+    DRIVER_DIR="/sys/bus/i2c/drivers/${DRIVER_NAME}"
+    if [ -e "${DRIVER_DIR}/${I2C_BUS_ADDR}" ]; then
+        echo "${I2C_BUS_ADDR}" > "${DRIVER_DIR}"/unbind
+    fi
+}
+
+sled_insert_action()
+{
+    SLED_ID=$1
+    I2C_BUS_NUM=$((SLED_ID-1))
+
+    # 0022: fusb302
+    bind_i2c_driver "${I2C_BUS_NUM}-0022" "typec_fusb302"
+
+    # 0045: ina230
+    bind_i2c_driver "${I2C_BUS_NUM}-0045" "ina2xx"
+
+    # 0040: mp5023
+    bind_i2c_driver "${I2C_BUS_NUM}-0040" "mp5023"
+
+    # 0041: pca9536
+    bind_i2c_driver "${I2C_BUS_NUM}-0041" "pca953x"
+
+    # 0076: pca9539
+    bind_i2c_driver "${I2C_BUS_NUM}-0076" "pca953x"
+
+    # 004f: tmp421
+    bind_i2c_driver "${I2C_BUS_NUM}-004f" "tmp421"
+
+    # 0067: pca9552
+    bind_i2c_driver "${I2C_BUS_NUM}-0067" "leds-pca955x"
+
+    # 0054: 24c64
+    bind_i2c_driver "${I2C_BUS_NUM}-0054" "at24"
+
+    # start bletchley-sled-insertion target
+    /bin/systemctl start bletchley-sled-insertion@"${SLED_ID}".target
+}
+
+sled_remove_action()
+{
+    SLED_ID=$1
+    I2C_BUS_NUM=$((SLED_ID-1))
+
+    # 0022: fusb302
+    unbind_i2c_driver "${I2C_BUS_NUM}-0022" "typec_fusb302"
+
+    # # 0045: ina230
+    # unbind_i2c_driver "${I2C_BUS_NUM}-0045" "ina2xx"
+
+    # # 0040: mp5023
+    # unbind_i2c_driver "${I2C_BUS_NUM}-0040" "mp5023"
+
+    # # 0041: pca9536
+    # unbind_i2c_driver "${I2C_BUS_NUM}-0041" "pca953x"
+
+    # # 0076: pca9539
+    # unbind_i2c_driver "${I2C_BUS_NUM}-0076" "pca953x"
+
+    # # 004f: tmp421
+    # unbind_i2c_driver "${I2C_BUS_NUM}-004f" "tmp421"
+
+    # # 0067: pca9552
+    # unbind_i2c_driver "${I2C_BUS_NUM}-0067" "leds-pca955x"
+
+    # # 0054: 24c64
+    # unbind_i2c_driver "${I2C_BUS_NUM}-0054" "at24"
+
+    # start bletchley-sled-removal target
+    /bin/systemctl start bletchley-sled-removal@"${SLED_ID}".target
+}
+
+
+dbus-monitor --system "type=signal,interface=${DBUS_PROPERTY_INTF},sender=${SERVICE_NAME},path=${PRESENT_OBJPATH}" |
+while read -r line; do
+    case "$line" in
+        *"boolean false"*)
+            echo "SLED${SLED_ID} Removal"
+            sled_remove_action "$SLED_ID"
+            ;;
+        *"boolean true"*)
+            echo "SLED${SLED_ID} Insertion"
+            sled_insert_action "$SLED_ID"
+            ;;
+    esac
+done
+
+exit 0

meta-facebook/meta-bletchley/recipes-bletchley/detect-gpio-present/files/detect-sled-present@.service

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+[Unit]
+Description=SLED%i Present Manager
+After=phosphor-gpio-presence@presence-sled%i.service
+Wants=phosphor-gpio-presence@presence-sled%i.service
+After=mapper-wait@-xyz-openbmc_project-inventory-system-chassis-presence-presence_sled%i.service
+Wants=mapper-wait@-xyz-openbmc_project-inventory-system-chassis-presence-presence_sled%i.service
+
+[Service]
+ExecStart=/usr/bin/detect-sled-present %i
+Type=simple
+
+[Install]
+WantedBy=multi-user.target