HWP: Splitting packages

.gitmodules

@@ -19,3 +19,6 @@
 [submodule "layers/meta-rust"]
 	path = layers/meta-rust
 	url = https://github.com/meta-rust/meta-rust.git
+[submodule "layers/meta-balena-bsp"]
+	path = layers/meta-balena-bsp
+	url = https://github.com/balena-os/meta-balena-bsp.git

layers/meta-balena-raspberrypi/conf/layer.conf

@@ -9,6 +9,20 @@ BBFILE_PRIORITY_balena-raspberrypi = "1337"
 
 LAYERSERIES_COMPAT_balena-raspberrypi = "dunfell"
 
+SDIMG_KERNELIMAGE_raspberrypi  ?= "kernel.img"
+SDIMG_KERNELIMAGE_raspberrypi2 ?= "kernel7.img"
+SDIMG_KERNELIMAGE_raspberrypi3-64 ?= "kernel8.img"
+
+# Customize balenaos-img
+BALENA_IMAGE_BOOTLOADER_rpi = "bootfiles"
+BALENA_BOOT_PARTITION_FILES_rpi = " \
+    u-boot.bin:/${SDIMG_KERNELIMAGE} \
+    boot.scr:/boot.scr \
+    bootfiles:/ \
+"
+BALENA_BOOT_PARTITION_FILES_append_revpi-core-3 = " revpi-core-dt-blob-overlay.dtb:/dt-blob.bin"
+BALENA_BOOT_PARTITION_FILES_append_revpi-connect = " revpi-connect-dt-blob-overlay.dtb:/dt-blob.bin"
+
 # Add all the overlays available in kernel source code
 #
 # The files below come from kernel-source/arch/arm/boot/dts/overlays/, but without

layers/meta-balena-raspberrypi/conf/samples/bblayers.conf.sample

@@ -13,6 +13,7 @@ BBLAYERS ?= " \
     ${TOPDIR}/../layers/meta-openembedded/meta-networking \
     ${TOPDIR}/../layers/meta-openembedded/meta-python \
     ${TOPDIR}/../layers/meta-raspberrypi \
+    ${TOPDIR}/../layers/meta-balena-bsp \
     ${TOPDIR}/../layers/meta-balena/meta-balena-common \
     ${TOPDIR}/../layers/meta-balena/meta-balena-dunfell \
     ${TOPDIR}/../layers/meta-balena-raspberrypi \

layers/meta-balena-raspberrypi/recipes-bsp/u-boot/u-boot_%.bbappend

@@ -1,4 +1,4 @@
-inherit resin-u-boot
+inherit balena-u-boot
 UBOOT_KCONFIG_SUPPORT = "1"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"

layers/meta-balena-raspberrypi/recipes-core/images/balena-image.bbappend

@@ -2,51 +2,11 @@
 # See:
 # https://www.raspberrypi.org/documentation/hardware/computemodule/cm-emmc-flashing.md
 BALENA_BOOT_FAT32 = "1"
+inherit balena-boot-helpers
 
 IMAGE_FSTYPES_append_rpi = " balenaos-img"
 
 # Kernel image name is different on Raspberry Pi 1/2/3-64bit
-SDIMG_KERNELIMAGE_raspberrypi  ?= "kernel.img"
-SDIMG_KERNELIMAGE_raspberrypi2 ?= "kernel7.img"
-SDIMG_KERNELIMAGE_raspberrypi3-64 ?= "kernel8.img"
-
-# Customize balenaos-img
-BALENA_IMAGE_BOOTLOADER_rpi = "bootfiles"
-BALENA_BOOT_PARTITION_FILES_rpi = " \
-    u-boot.bin:/${SDIMG_KERNELIMAGE} \
-    boot.scr:/boot.scr \
-    bootfiles:/ \
-    "
-
-BALENA_BOOT_PARTITION_FILES_append_revpi-core-3 = " revpi-core-dt-blob-overlay.dtb:/dt-blob.bin"
-
-BALENA_BOOT_PARTITION_FILES_append_revpi-connect = " revpi-connect-dt-blob-overlay.dtb:/dt-blob.bin"
-
-python overlay_dtbs_handler () {
-    # Add all the dtb files programatically
-    for soc_fam in d.getVar('SOC_FAMILY', True).split(':'):
-        if soc_fam == 'rpi':
-            resin_boot_partition_files = d.getVar('BALENA_BOOT_PARTITION_FILES', True)
-
-            overlay_dtbs = split_overlays(d, 0)
-            root_dtbs = split_overlays(d, 1)
-
-            for dtb in root_dtbs.split():
-                dtb = os.path.basename(dtb)
-                # newer kernels (5.4 onward) introduce overlay_map.dtb which needs to be deployed in the overlays directory
-                if dtb == 'overlay_map.dtb':
-                    resin_boot_partition_files += "\t%s:/overlays/%s" % (dtb, dtb)
-                    continue
-                resin_boot_partition_files += "\t%s:/%s" % (dtb, dtb)
-
-            for dtb in overlay_dtbs.split():
-                dtb = os.path.basename(dtb)
-                resin_boot_partition_files += "\t%s:/overlays/%s" % (dtb, dtb)
-
-            d.setVar('BALENA_BOOT_PARTITION_FILES', resin_boot_partition_files)
-
-            break
-}
 
 addhandler overlay_dtbs_handler
 overlay_dtbs_handler[eventmask] = "bb.event.RecipePreFinalise"