create-combined-dtb: Combine dtb and dtbo

Combine a number of device tree overlays to a base blob with a
specified filename in the deploydir only. This feature is
required only for netboot therefore the files are not included
in the image.

Bug-AGL: SPEC-1775

Change-Id: I16ff043ee0d44d4151e1fb2ba714bd1542854bd8
Suggested-by: Jan-Simon Möller <jsmoeller@linuxfoundation.org>
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>

diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/create-combined-dtb/create-combined-dtb_1.0.0.bb b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/create-combined-dtb/create-combined-dtb_1.0.0.bb
new file mode 100644 (file)
index 0000000..1323a72
--- /dev/null
+++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/create-combined-dtb/create-combined-dtb_1.0.0.bb
@@ -0,0 +1,33 @@
+SUMMARY = "Combine dtb and dtbo"
+DESCRIPTION = "Combine specified dtb and one or more dtbo into specified filename found in deploydir"
+SECTION = "bootloader"
+PR = "r1"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+DEPENDS = "fdtoverlay-native"
+
+ALLOW_EMPTY_${PN} = "1"
+FILES_${PN} = ""
+
+S = "${WORKDIR}"
+
+do_compile () {
+       # Official touchscreen setup (rpi3b/rpi3b dtb, vc4-kms-v3d and ft5406)
+       fdtoverlay -v -i ${DEPLOY_DIR_IMAGE}/uImage-bcm2710-rpi-3-b-plus.dtb -o uImage-bcm2710-rpi-3-b+vc4+ft5406.dtb ${DEPLOY_DIR_IMAGE}/rpi-ft5406.dtbo ${DEPLOY_DIR_IMAGE}/uImage-vc4-kms-v3d.dtbo
+       fdtoverlay -v -i ${DEPLOY_DIR_IMAGE}/uImage-bcm2710-rpi-3-b.dtb -o uImage-bcm2710-rpi-3+vc4+ft5406.dtb ${DEPLOY_DIR_IMAGE}/rpi-ft5406.dtbo ${DEPLOY_DIR_IMAGE}/uImage-vc4-kms-v3d.dtbo
+
+       # HDMI screen setup (rpi3b/rpi3b dtb and vc4-kms-v3d)
+       fdtoverlay -v -i ${DEPLOY_DIR_IMAGE}/uImage-bcm2710-rpi-3-b-plus.dtb -o uImage-bcm2710-rpi-3-b+vc4.dtb ${DEPLOY_DIR_IMAGE}/uImage-vc4-kms-v3d.dtbo
+       fdtoverlay -v -i ${DEPLOY_DIR_IMAGE}/uImage-bcm2710-rpi-3-b.dtb -o uImage-bcm2710-rpi-3+vc4.dtb ${DEPLOY_DIR_IMAGE}/uImage-vc4-kms-v3d.dtbo
+}
+
+do_deploy () {
+       install -d ${DEPLOY_DIR_IMAGE}
+       install -m 0644 ${S}/uImage-bcm2710-rpi-3-b+vc4+ft5406.dtb ${DEPLOY_DIR_IMAGE}
+       install -m 0644 ${S}/uImage-bcm2710-rpi-3+vc4+ft5406.dtb ${DEPLOY_DIR_IMAGE}
+       install -m 0644 ${S}/uImage-bcm2710-rpi-3-b+vc4.dtb ${DEPLOY_DIR_IMAGE}
+       install -m 0644 ${S}/uImage-bcm2710-rpi-3+vc4.dtb ${DEPLOY_DIR_IMAGE}
+}
+
+addtask deploy after do_install