Added support for rpi0w

- bump mender-uboot (as patches for rpi0w are present in later revisions)
- reuse as much as possible rpi3 convert files

Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>

convert-stage-4.sh

@@ -116,7 +116,7 @@ create_client_files() {
 	/dev/mmcblk0 0x1000000 0x20000
 	EOF
       ;;
-    "raspberrypi3")
+    "raspberrypi3"|"raspberrypi0w")
       cat <<- EOF > $mender_dir/fw_env.config
 	/dev/mmcblk0 0x400000 0x4000
 	/dev/mmcblk0 0x800000 0x4000
@@ -182,7 +182,7 @@ install_files() {
           { log "\t'/boot/efi' mountpoint missing. Adding"; \
             sudo install -d -m 755 ${primary_dir}/boot/efi; }
       ;;
-    "raspberrypi3")
+    "raspberrypi3"|"raspberrypi0w")
       [ ! -d "$primary_dir/uboot" ] && \
           { log "\t'/uboot' mountpoint missing. Adding"; \
             sudo install -d -m 755 ${primary_dir}/uboot; }

mender-convert

@@ -176,7 +176,7 @@ declare -a rootfs_partition_ids=("primary" "secondary")
 declare -a mender_disk_mappings
 declare -a raw_disk_mappings
 #Supported devices
-declare -a supported_devices=("beaglebone" "raspberrypi3" "qemux86_64")
+declare -a supported_devices=("beaglebone" "raspberrypi3" "qemux86_64" "raspberrypi0w")
 
 do_raw_disk_image_shrink_rootfs() {
   log "$step/$total Shrinking raw disk image root filesystem..."
@@ -330,7 +330,7 @@ do_raw_disk_image_create_partitions() {
     "beaglebone")
       do_make_sdimg_beaglebone
       ;;
-    "raspberrypi3")
+    "raspberrypi3"|"raspberrypi0w")
       do_make_sdimg_raspberrypi3
       ;;
     "qemux86_64")
@@ -556,7 +556,7 @@ do_install_bootloader_to_mender_disk_image() {
       update_test_config_file $device_type distro-feature "mender-grub" \
                                            mount-location "\/boot\/efi"
       ;;
-    "raspberrypi3")
+    "raspberrypi3"|"raspberrypi0w")
       stage_5_args="-m $mender_disk_image -d $device_type -b ${bootloader_toolchain} $keep"
       eval set -- " ${stage_5_args}"
       ${tool_dir}/rpi3-convert-stage-5.sh ${stage_5_args}|| ret=$?

mender-convert-functions.sh

@@ -200,7 +200,7 @@ set_mender_disk_alignment() {
       local lvar_partition_alignment=${PART_ALIGN_8MB}
       local lvar_vfat_storage_offset=$lvar_partition_alignment
       ;;
-    "raspberrypi3")
+    "raspberrypi3"|"raspberrypi0w")
       local lvar_partition_alignment=${PART_ALIGN_4MB}
       local lvar_uboot_env_size=$(( $lvar_partition_alignment * 2 ))
       local lvar_vfat_storage_offset=$(( $lvar_partition_alignment + $lvar_uboot_env_size ))
@@ -693,7 +693,7 @@ set_fstab() {
       mountpoint="/boot/efi"
       blk_device=mmcblk0p
       ;;
-    "raspberrypi3")
+    "raspberrypi3"|"raspberrypi0w")
       mountpoint="/uboot"
       blk_device=mmcblk0p
       ;;

rpi3-convert-stage-5.sh

@@ -34,12 +34,18 @@ version() {
 # Takes following arguments:
 #
 #  $1 - ARM toolchain
+#  $2 - RPI machine (raspberrypi3 or raspberrypi0w)
 build_uboot_files() {
   local CROSS_COMPILE=${1}-
   local ARCH=arm
   local branch="mender-rpi-2017.09"
-  local commit="988e0ec54"
+  local commit="9214bb597e"
   local uboot_repo_vc_dir=$uboot_dir/.git
+  local defconfig="rpi_3_32b_defconfig"
+
+  if [ "$2" == "raspberrypi0" ]; then
+    defconfig="rpi_0_w_defconfig"
+  fi
 
   export CROSS_COMPILE=$CROSS_COMPILE
   export ARCH=$ARCH
@@ -57,7 +63,7 @@ build_uboot_files() {
   git checkout $commit >> "$build_log" 2>&1
 
   make --quiet distclean >> "$build_log"
-  make --quiet rpi_3_32b_defconfig >> "$build_log" 2>&1
+  make --quiet $defconfig >> "$build_log" 2>&1
   make --quiet >> "$build_log" 2>&1
   make --quiet envtools >> "$build_log" 2>&1
 
@@ -88,6 +94,11 @@ build_uboot_files() {
 install_files() {
   local boot_dir=$1
   local rootfs_dir=$2
+  local kernel_img="kernel7.img"
+
+  if [ "${device_type}" == "raspberrypi0w" ]; then
+    kernel_img="kernel.img"
+  fi
 
   log "\tInstalling U-Boot related files."
 
@@ -118,12 +129,13 @@ install_files() {
   sudo ln -sf /dev/null ${rootfs_dir}/etc/systemd/system/udisks2.service
 
   # Extract Linux kernel and install to /boot directory on rootfs
-  sudo cp ${boot_dir}/kernel7.img ${rootfs_dir}/boot/zImage
+  sudo cp ${boot_dir}/${kernel_img} ${rootfs_dir}/boot/zImage
 
   # Replace kernel with U-boot and add boot script
   sudo mkdir -p ${rootfs_dir}/uboot
 
-  sudo cp ${bin_dir_pi}/u-boot.bin ${boot_dir}/kernel7.img
+  sudo cp ${bin_dir_pi}/u-boot.bin ${boot_dir}/${kernel_img}
+
   sudo cp ${bin_dir_pi}/boot.scr ${boot_dir}
 
   sudo cp ${boot_dir}/config.txt ${output_dir}/config.txt
@@ -181,7 +193,7 @@ do_install_bootloader() {
   cd $output_dir
 
   # Build patched U-Boot files.
-  build_uboot_files $bootloader_toolchain
+  build_uboot_files $bootloader_toolchain $device_type
   rc=$?
   cd $output_dir