Initial commit
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#!/bin/bash
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# Copyright 2020 Google LLC
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# Copyright 2020 Quanta Computer Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Global variables
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# GPIO to control the host SPI mux
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SPI_SW_SELECT=169
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# Kernel control string for bind/unbind
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KERNEL_FIU_ID="c0000000.spi"
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# Kernel sysfs path for bind/unbind
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KERNEL_SYSFS_FIU="/sys/bus/platform/drivers/NPCM-FIU"
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# the node of FIU is spi for kernel 5.10, but
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# for less than or equal kernel 5.4, the node
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# is fiu
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if ls "$KERNEL_SYSFS_FIU"/*.fiu 1> /dev/null 2>&1; then
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KERNEL_FIU_ID="c0000000.fiu"
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fi
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IMAGE_FILE="/tmp/image-bios"
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# Taken from /run/initramfs/update
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# Given label name, return mtd node. e.g. `findmtd bmc` returns 'mtd0'
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findmtd() {
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m=$(grep -xl "$1" /sys/class/mtd/*/name)
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m=${m%/name}
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m=${m##*/}
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echo "$m"
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}
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cleanup() {
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if [ -d "${KERNEL_SYSFS_FIU}/${KERNEL_FIU_ID}" ]; then
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echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/unbind
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fi
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echo low > /sys/class/gpio/gpio${SPI_SW_SELECT}/direction # Switch mux to host
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rm -f ${IMAGE_FILE}
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}
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trap cleanup EXIT SIGHUP SIGINT SIGTERM
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main() {
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if [ ! -f ${IMAGE_FILE} ]; then
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echo "Invalid bios image file!"
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exit 1
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fi
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echo "Starting bios update..."
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if [ ! -d "/sys/class/gpio/gpio${SPI_SW_SELECT}" ]; then
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echo "${SPI_SW_SELECT}" > /sys/class/gpio/export
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fi
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echo high > /sys/class/gpio/gpio${SPI_SW_SELECT}/direction # Switch mux to BMC
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if [ -d "${KERNEL_SYSFS_FIU}/${KERNEL_FIU_ID}" ]; then
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echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/unbind
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fi
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echo "${KERNEL_FIU_ID}" > "${KERNEL_SYSFS_FIU}"/bind
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# BIOS flash is labelled 'bios-primary'
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bios_mtd=$(findmtd bios-primary)
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if [ -z "${bios_mtd}" ]; then
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echo "Cannot find bios flash mtd partition!"
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exit 1
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fi
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if flashcp -v $IMAGE_FILE /dev/"${bios_mtd}" ; then
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echo "bios update successfully..."
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else
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echo "bios update failed..."
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exit 1
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fi
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}
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# Exit without running main() if sourced
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if ! (return 0 2>/dev/null); then
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main "$@"
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fi
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@@ -0,0 +1,32 @@
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#!/bin/sh
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# Copyright (c) 2019-present Lenovo
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# Copyright (c) 2020 Quanta Computer Inc.
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# Licensed under BSD-3, see COPYING.BSD file for details.
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IMAGE_FILE="/tmp/bios-image"
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SIG_FILE="/tmp/bmc.sig"
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BURN_IMAGE="/tmp/image-bios"
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sha256_image="FFFF"
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sha256_file="EEEE"
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echo "Verify bios image..."
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if [ -e $IMAGE_FILE ] && [ -e $SIG_FILE ];
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then
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sha256_image=$(sha256sum "$IMAGE_FILE" | awk '{print $1}')
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sha256_file=$(awk '{print $1}' $SIG_FILE)
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fi
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if [ "$sha256_image" != "$sha256_file" ];
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then
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echo "bios image verify fail."
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rm -f $IMAGE_FILE
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echo "Remove bios image"
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exit 1
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else
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echo "bios image verify ok."
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mv $IMAGE_FILE $BURN_IMAGE
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rm -f $SIG_FILE
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exit 0
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fi
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[{
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"blob": "/flash/bios",
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"handler": {
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"type": "file",
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"path": "/tmp/bios-image"
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},
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"actions": {
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"preparation": {
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"type": "skip"
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},
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"verification": {
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"type": "systemd",
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"unit": "phosphor-ipmi-flash-bios-verify.service"
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},
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"update": {
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"type": "systemd",
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"unit": "phosphor-ipmi-flash-bios-update.service"
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}
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}
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}]
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+9
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[Unit]
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Description=Phosphor-ipmi-flash update BIOS service
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[Service]
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ExecStart=/usr/bin/bios-update.sh
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Type=oneshot
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[Install]
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WantedBy=phosphor-ipmi-flash-bios-update.target
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+9
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[Unit]
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Description=Phosphor-ipmi-flash verify BIOS service
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[Service]
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ExecStart=/usr/bin/bios-verify.sh
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Type=oneshot
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[Install]
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WantedBy=phosphor-ipmi-flash-bios-verify.target
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@@ -0,0 +1,42 @@
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PR = "r1"
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LICENSE = "Apache-2.0 & BSD-3-Clause"
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LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10 \
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file://${COREBASE}/meta/files/common-licenses/BSD-3-Clause;md5=550794465ba0ec5312d6919e203a55f9 \
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"
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inherit systemd
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inherit obmc-phosphor-systemd
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DEPENDS += "systemd"
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DEPENDS += "phosphor-ipmi-flash"
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RDEPENDS:${PN} += "bash"
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PROVIDES += "virtual/bios-update"
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RPROVIDES:${PN} += "virtual/bios-update"
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SRC_URI += " file://bios-verify.sh \
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file://bios-update.sh \
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file://phosphor-ipmi-flash-bios-verify.service \
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file://phosphor-ipmi-flash-bios-update.service \
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file://config-bios.json \
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"
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FILES:${PN} += "${datadir}/phosphor-ipmi-flash/config-bios.json"
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do_install() {
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install -d ${D}${bindir}
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install -m 0755 ${WORKDIR}/bios-verify.sh ${D}${bindir}/
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install -m 0755 ${WORKDIR}/bios-update.sh ${D}${bindir}/
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install -d ${D}${systemd_system_unitdir}
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install -m 0644 ${WORKDIR}/phosphor-ipmi-flash-bios-verify.service ${D}${systemd_system_unitdir}
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install -m 0644 ${WORKDIR}/phosphor-ipmi-flash-bios-update.service ${D}${systemd_system_unitdir}
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install -d ${D}${datadir}/phosphor-ipmi-flash
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install -m 0644 ${WORKDIR}/config-bios.json ${D}${datadir}/phosphor-ipmi-flash
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}
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SYSTEMD_PACKAGES = "${PN}"
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SYSTEMD_SERVICE:${PN} = "phosphor-ipmi-flash-bios-verify.service phosphor-ipmi-flash-bios-update.service"
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