1 files changed, 96 insertions, 0 deletions
diff --git a/recipes-bsp/multitech/mt-dt-overlay_1.2.1.bb b/recipes-bsp/multitech/mt-dt-overlay_1.2.1.bb
new file mode 100644
index 0000000..8062f53
--- /dev/null
+++ b/recipes-bsp/multitech/mt-dt-overlay_1.2.1.bb
@@ -0,0 +1,96 @@
+DESCRIPTION = "Compile MT board device tree overlays"
+LICENSE = "(GPLv2+)"
+LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+inherit update-rc.d
+INITSCRIPT_NAME = "${PN}"
+# mt-dt-overlay must start before mts-io
+# because the gpio-leds driver will not load
+# after mts-io.
+INITSCRIPT_PARAMS = "start 39 S ."
+DEPENDS = "dtc-native linux-at91"
+RDEPENDS_${PN} = "bash"
+
+
+COMPATIBLE_MACHINE = "(mtcap|mtrv1|mtcdt)"
+
+# By using an overlay, we should be able to support multiple pinouts
+# using the same image.  The overlays go into /lib/dtoverlays.
+# There names are: [hw-version]-driver.dtbo
+#  e.g. /lib/dtoverlays/MTRV1-0.0-pps.dtbo
+# The idea is that mts-io will search for the overlays, and install the
+# appropriate device tree overlay for the current hw-version.
+
+dt_dir = "/lib/dtoverlays"
+
+PR = "r1"
+
+SRC_URI = " \
+	git://git.multitech.net/mt-dt-overlay.git;protocol=git \
+	file://init \
+"
+
+SRCREV = "${PV}"
+
+DEPENDS = "virtual/kernel u-boot-mkimage-native"
+
+S = "${WORKDIR}/git"
+
+do_compile[depends] += "virtual/kernel:do_deploy virtual/kernel:do_shared_workdir"
+do_compile[nostamp] = "1"
+
+# Make sure we are using the Yocto version of DTC, not what is installed in /usr/bin
+DTC_BIN_DIR = "${COMPONENTS_DIR}/x86_64/dtc-native/usr/bin"
+
+do_compile () {
+	echo MACHINE is ${MACHINE}
+	oe_runmake DTC=${DTC_BIN_DIR}/dtc KERNEL_DIR=${STAGING_KERNEL_DIR} KERNEL_BUILD_DIR=${KERNEL_PATH} ${MACHINE}_dtbos
+}
+
+FILES_${PN} = "${dt_dir} ${sysconfdir}"
+
+addtask install after do_compile
+
+# The destination and any symlinks are defined in the source file.
+#
+# A line starting as follows " * Put: [destination]" in the source
+# defines the destination file name for the device tree binaries.
+#
+# A line starting as follows " * Link: [destination]" defines a symlink
+# to the device tree binary file.
+#
+do_install () {
+    install -d ${D}/${sysconfdir}/init.d
+    install -m 0755 ${WORKDIR}/init ${D}/${sysconfdir}/init.d/${PN}
+    # Copy files to /lib/dt-overlay/main (mtac cards will be in mtac)
+    if [ -e ${AT91BOOTSTRAP_MACHINE} ]; then
+        install -d ${D}/${dt_dir}
+        (
+            cd ${MACHINE}
+            echo "Current directory is $(pwd)"
+            for f in *.dtbo ; do
+                s=$(basename -s .dtbo $f).dtso
+                location_ln=$(egrep '^[[:space:]]*\*[[:space:]]*Put:[[:space:]]*[^[:space:]]+' $s | sed -r 's/.*Put:[[:space:]]*//')
+                echo "Binary: $f  Source: $s"
+                echo "Destination: $location_ln"
+                dirname=$(dirname $location_ln)
+                install -d ${D}/${dt_dir}/$dirname
+                install ${f} ${D}/${dt_dir}/$location_ln
+                links=$(egrep '^[[:space:]]*\*[[:space:]]*Link:[[:space:]]*[^[:space:]]+' $s | sed -r 's/.*Link:[[:space:]]*//')
+                echo "All Links: "
+                echo "$links"
+                echo "End links"
+                for l in $links ; do
+                    ldirname=$(dirname $l)
+                    if ! [ -d "${D}/$ldirname" ] ; then
+                        install -d ${D}/${dt_dir}/$ldirname
+                    fi
+                    echo ln -sf ${dt_dir}/$dirname/$f ${D}/${dt_dir}/$l
+                    ln -sf ${dt_dir}/$location_ln ${D}/${dt_dir}/$l
+                done
+            done
+        )
+    fi
+}
+