Add image for StarFive VisionFive 2

SUBARCH=visionfive2 is used to build images for the StarFive VisionFive 2
boards. For the device-tree we assume board revision 1.3B.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

live-build/auto/config

@@ -352,7 +352,14 @@ fi
 # one also must request disk1-img-xz image format
 if [ "$IMAGEFORMAT" = "ext4" ] && [ "$PROJECT" = "ubuntu-cpc" ]; then
 	case $ARCH:$SUBARCH in
-		armhf:raspi2|riscv64:sifive_*|riscv64:nezha|riscv64:visionfive|riscv64:licheerv|riscv64:icicle|*:generic)
+		armhf:raspi2 | \
+		riscv64:icicle | \
+		riscv64:nezha | \
+		riscv64:licheerv | \
+		riscv64:sifive_* | \
+		riscv64:visionfive | \
+		riscv64:visionfive2 | \
+		*:generic)
 			IMAGE_HAS_HARDCODED_PASSWORD=1
 			if [ -z "${IMAGE_TARGETS:-}" ]; then
 				export IMAGE_TARGETS="disk1-img-xz"

live-build/ubuntu-cpc/hooks.d/base/disk-image-uefi.binary

@@ -128,6 +128,23 @@ create_partitions() {
                         --change-name=3:uEnv \
                         --new=1:: \
                         --attributes=1:set:2
+            elif [ "${SUBARCH:-}" = "visionfive2" ]; then
+                # VisionFive 2
+                sgdisk "${disk_image}" \
+                        --set-alignment=4096 \
+			--new=13:4096:8191 \
+                        --typecode=13:2E54B353-1271-4842-806F-E436D6AF6985 \
+                        --change-name=13:loader1 \
+			--new=2:8192:16383 \
+                        --typecode=2:7a097280-70d2-44bc-886c-ff5ffbb7b098 \
+                        --change-name=2:loader2 \
+                        --new=12:16384:24575 \
+                        --change-name=12:CIDATA \
+                        --new=15:24576:229375 \
+                        --typecode=15:ef00 \
+                        --change-name=15:ESP \
+                        --new=1:229376: \
+                        --attributes=1:set:2
             else
                 # preinstalled server, currently FU540
                 # FU740 too in the future
@@ -373,8 +390,32 @@ EOF
                         # without a cloud datasource.
                         setup_cinocloud mountpoint
                         ;;
+                    "visionfive2")
+                        echo "Installing GRUB for ${SUBARCH} board"
+                        cp ${my_d}/riscv64/grub/90_watchdog-thresh.cfg mountpoint/etc/default/grub.d/
+                        # flash-kernel is needed to install the dtb for update-grub: it uses the
+                        # /proc/device-tree/model value to pick the correct dtb and as we are in a chroot,
+                        # the model value is wrong and we need to use /etc/flash-kernel/machine instead.
+                        # This explains why we install flash-kernel here.
+                        chroot mountpoint mkdir -p /etc/flash-kernel/
+                        chroot mountpoint bash -c "echo 'StarFive VisionFive 2 v1.3B' > /etc/flash-kernel/machine"
+                        chroot mountpoint bash -c 'FK_FORCE=yes apt-get install -qqy grub-efi-riscv64 flash-kernel'
+                        efi_target=riscv64-efi
+                        # Provide end-user modifyable CIDATA
+                        cidata_dev="/dev/mapper${loop_device///dev/}p12"
+                        setup_cidata "${cidata_dev}"
+                        # Provide stock nocloud datasource
+                        # Allow interactive login on baremetal board,
+                        # without a cloud datasource.
+                        setup_cinocloud mountpoint
+                        # Flash-kernel creates boot.scr if it believes we did
+                        # not boot in UEFi mode. Remove it so that we can boot
+                        # via GRUB.
+                        chroot mountpoint rm -f /boot/boot.scr
+                        ;;
                     *)
                         cp ${my_d}/riscv64/grub/90_watchdog-thresh.cfg mountpoint/etc/default/grub.d/
+                        echo "Installing u-boot-menu for ${SUBARCH} board"
                         chroot mountpoint apt-get install -qqy u-boot-menu #grub-efi-riscv64
                         mkdir -p mountpoint/etc/u-boot-menu/conf.d/
                         cp ${my_d}/riscv64/u-boot-menu/*.conf mountpoint/etc/u-boot-menu/conf.d/
@@ -408,7 +449,11 @@ EOF
                 chroot mountpoint u-boot-update
             fi
 
-            if [ "${SUBARCH:-}" != "visionfive" ] && [ "${SUBARCH:-}" != "nezha" ] && [ "${SUBARCH:-}" != "licheerv" ] && [ "${SUBARCH:-}" != "icicle" ]; then
+            if [ "${SUBARCH:-}" != "nezha" ] && \
+               [ "${SUBARCH:-}" != "licheerv" ] && \
+               [ "${SUBARCH:-}" != "icicle" ] \
+               [ "${SUBARCH:-}" != "visionfive" ] && \
+               [ "${SUBARCH:-}" != "visionfive2" ]; then
                 ## TODO remove below once we have grub-efi-riscv64 for the platforms
                 rm mountpoint/tmp/device.map
                 umount mountpoint/boot/efi