Add demo rpi3 hwpack

apertis-image-rpi3.yaml

+{{ $architecture := or .architecture "armhf" }}
+{{ $firmware_version := or .firmware_version "1.20190401" }}
+{{ $type := or .type "minimal" }}
+{{ $mirror := or .mirror "https://repositories.apertis.org/apertis/" }}
+{{ $suite := or .suite "v2019dev0" }}
+{{ $image := or .image (printf "apertis-rpi3-%s-%s-%s.img" $suite  $type $architecture) }}
+
+{{ $ospack := or .ospack (printf "ospack_%s-%s-%s" $suite $architecture $type) }}
+
+architecture: {{ $architecture }}
+
+actions:
+  # Download all needed proprietary stuff first
+  - action: download
+    url: https://github.com/raspberrypi/firmware/archive/{{ $firmware_version }}.tar.gz
+    unpack: true     # Unpack downloaded file
+    name: firmware # name for usage directory with unpacked content in other actions
+
+  - action: unpack
+    description: Unpack {{ $ospack }}
+    compression: gz
+    file: {{ $ospack }}.tar.gz
+
+  - action: apt
+    recommends: false
+    packages:
+      - linux-image-armmp
+      - firmware-brcm80211
+      - u-boot-rpi
+      - u-boot-menu
+
+  # add firmware
+  - action: overlay
+    origin: firmware
+    source: firmware-{{ $firmware_version }}/boot
+    destination: /boot/firmware
+
+  - action: run
+    chroot: true
+    command: rm -rf /boot/firmware/kernel*.img /boot/firmware/*.dtb /boot/firmware/overlays
+
+  - action: run
+    chroot: true
+    command: cp -v /usr/lib/u-boot/rpi_3_32b/* /boot/firmware/
+
+  - action: run
+    description: Disable ribchester as it won't work on msdos partitioning
+    chroot: true
+    command: systemctl disable ribchester-core
+
+  - action: overlay
+    source: overlays/rpi3/fw-config
+    destination: /boot/firmware
+
+  - action: overlay
+    description: Add wireless firmware configuration
+    source: overlays/rpi3/firmware
+    destination: /lib/firmware
+
+  - action: overlay
+    description: Add wireless firmware configuration
+    source: overlays/rpi3/firmware
+    destination: /lib/firmware
+
+  - action: image-partition
+    imagename: {{ $image }}
+    imagesize: 1GB
+    partitiontype: msdos
+    mountpoints:
+      - mountpoint: /
+        partition: root
+      - mountpoint: /boot/firmware
+        partition: firmware
+        options: [ x-systemd.automount ]
+    partitions:
+      - name: firmware
+        fs: fat32
+        start: 0%
+        end: 64MB
+      - name: root
+        fs: ext4
+        start: 64MB
+        end: 100%
+        flags: [ boot ]
+
+  - action: filesystem-deploy
+    description: Deploying filesystem onto image
+
+  - action: overlay
+    description: Enable minimal cma area in u-boot-menu
+    source: overlays/rpi3/u-boot-menu
+    destination: /etc/default
+
+  - action: run
+    chroot: true
+    command: u-boot-update
+
+  # work around the Debos isssue in https://phabricator.apertis.org/T4308
+  - action: run
+    chroot: false
+    description: "Drop resolv.conf so the appropriate one gets created at runtime"
+    command: rm "${ROOTDIR}/etc/resolv.conf"
+
+  - action: run
+    postprocess: true
+    command: bmaptool create {{ $image }} > {{ $image }}.bmap
+
+  - action: run
+    postprocess: true
+    command: gzip -f {{ $image }}

overlays/rpi3/fw-config/config.txt

+# boot in 32 mode
+#arm_control=0x200
+enable_uart=1
+kernel=u-boot.bin

overlays/rpi3/u-boot-menu/u-boot

+U_BOOT_PARAMETERS=cma=128M