Initial commit

meta-aspeed/classes/otptool.bbclass

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+# ASPEED AST2600 devices can use Aspeed's utility 'otptool'
+# to create OTP image
+# The variables below carry default values to the create_otp()
+# function below.
+OTPTOOL_CONFIGS ?= ""
+OTPTOOL_KEY_DIR ?= ""
+OTPTOOL_USER_DIR ?= ""
+OTPTOOL_EXTRA_OPTS ?= ""
+OTPTOOL_EXTRA_DEPENDS ?= " socsec-native"
+DEPENDS += '${@oe.utils.conditional("SOCSEC_SIGN_ENABLE", "1", "${OTPTOOL_EXTRA_DEPENDS}", "", d)}'
+
+do_otptool() {
+    local otptool_config=$1
+    otptool_config_slug="$(basename ${otptool_config} .json)"
+    otptool_config_outdir="${B}"/"${CONFIG_B_PATH}"/"${otptool_config_slug}"
+    otptool_user_folder="$([ -n "${OTPTOOL_USER_DIR}" ] && echo --user_data_folder ${OTPTOOL_USER_DIR})"
+    mkdir -p "${otptool_config_outdir}"
+    otptool make_otp_image \
+        --key_folder ${OTPTOOL_KEY_DIR} \
+        --output_folder "${otptool_config_outdir}" \
+        ${otptool_user_folder} \
+        ${otptool_config} \
+        ${OTPTOOL_EXTRA_OPTS}
+
+    if [ $? -ne 0 ]; then
+        bbfatal "Generated OTP image failed."
+    fi
+
+    otptool print "${otptool_config_outdir}"/otp-all.image
+
+    if [ $? -ne 0 ]; then
+        bbfatal "Printed OTP image failed."
+    fi
+
+    install -m 0644 -T \
+        "${otptool_config_outdir}"/otp-all.image \
+        ${DEPLOYDIR}/"${otptool_config_slug}"-otp-all.image
+}
+
+# Creates the OTP image
+create_otp_helper() {
+    if [ "${SOC_FAMILY}" != "aspeed-g6" ] ; then
+        bbwarn "OTP creation is only supported on AST2600 boards"
+    elif [ -z "${OTPTOOL_CONFIGS}" ] ; then
+        bbfatal "OTPTOOL_CONFIGS is empty, no otptool configurations available"
+    elif [ ! -d "${OTPTOOL_KEY_DIR}" ] ; then
+        bbfatal "Invalid otptool signing key directory: ${OTPTOOL_KEY_DIR}"
+    else
+        for otptool_config in ${OTPTOOL_CONFIGS} ; do
+            if [ ! -e ${otptool_config} ] ; then
+                bbfatal "Invalid otptool config: ${otptool_config}"
+            fi
+
+            do_otptool $otptool_config
+        done
+    fi
+}
+
+create_otp() {
+    mkdir -p ${DEPLOYDIR}
+    if [ -n "${UBOOT_CONFIG}" ]; then
+        for config in ${UBOOT_MACHINE}; do
+            CONFIG_B_PATH="${config}"
+            cd ${B}/${config}
+            create_otp_helper
+        done
+    else
+        CONFIG_B_PATH=""
+        cd ${B}
+        create_otp_helper
+    fi
+}
+
+do_deploy:prepend() {
+    if [ "${SOCSEC_SIGN_ENABLE}" = "1" ] ; then
+        create_otp
+    fi
+}