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SUMMARY = "Initialize Bluetooth UART"
DESCRIPTION = "At runtime on target make sure appropriate firmware is used and initialize Bluetooth UART"
LICENSE = "PD"
PACKAGE_ARCH = "${MACHINE_ARCH}"
RRECOMMENDS_${PN} = "bluez5"
SRC_URI = " \
file://btuart.sh \
file://btuart.service \
file://COPYING \
"
LIC_FILES_CHKSUM = "file://${WORKDIR}/COPYING;md5=1c3a7fb45253c11c74434676d84fe7dd"
do_install () {
install -d ${D}/${sbindir}
install -m 0755 ${WORKDIR}/*.sh ${D}/${sbindir}
install -d ${D}${systemd_unitdir}/system/
install -m 0644 ${WORKDIR}/btuart.service ${D}${systemd_unitdir}/system
}
SYSTEMD_PACKAGES = "${PN}"
SYSTEMD_SERVICE_${PN} = "btuart.service"
inherit allarch systemd
pkg_postinst_ontarget_${PN}_verdin-imx8mp () {
# only BT UART modules need our service
if fgrep -q V1.0 /proc/device-tree/toradex,board-rev || ! fgrep -q toradex,verdin-imx8mp-wifi /proc/device-tree/compatible; then
/bin/systemctl disable btuart.service
/bin/systemctl stop btuart.service
exit 0
fi
# V1.1A and later require sdiouart Wi-Fi/BT firmware
mv -f ${nonarch_base_libdir}/firmware/mrvl/sdsd8997_combo_v4.bin ${nonarch_base_libdir}/firmware/mrvl/sdsd8997_combo_v4.bin.orig
ln -s ${nonarch_base_libdir}/firmware/nxp/sdiouart8997_combo_v4.bin ${nonarch_base_libdir}/firmware/mrvl/sdsd8997_combo_v4.bin
# power-cycle Wi-Fi/BT module
echo -n "30b40000.mmc" > /sys/bus/platform/drivers/sdhci-esdhc-imx/unbind
sleep 1
echo -n "30b40000.mmc" > /sys/bus/platform/drivers/sdhci-esdhc-imx/bind
}
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