Add rockpro64 to image builder

Based on @tiemenwerkman's work on https://github.com/void-linux/void-mklive/pull/221

lib.sh

@@ -297,6 +297,7 @@ set_target_arch_from_platform() {
         pinebookpro*) XBPS_TARGET_ARCH="aarch64";;
         pinephone*) XBPS_TARGET_ARCH="aarch64";;
         rock64*) XBPS_TARGET_ARCH="aarch64";;
+        rockpro64*) XBPS_TARGET_ARCH="aarch64";;
         *) die "$PROGNAME: Unable to compute target architecture from platform";;
     esac
 

mkimage.sh

@@ -116,14 +116,14 @@ PLATFORM="${PLATFORM%-PLATFORMFS*}"
 
 # Be absolutely certain the platform is supported before continuing
 case "$PLATFORM" in
-    rpi-armv6l|rpi-armv7l|rpi-aarch64|GCP|pinebookpro|pinephone|rock64|*-musl);;
+    rpi-armv6l|rpi-armv7l|rpi-aarch64|GCP|pinebookpro|pinephone|rock64|rockpro64|*-musl);;
     *) die "The $PLATFORM is not supported, exiting..."
 esac
 
 # Default for bigger boot partion on rk33xx devices since it needs to
 # fit at least 2 Kernels + initramfs
 case "$PLATFORM" in
-    pinebookpro*|rock64*)
+    pinebookpro*|rock64*|rockpro64*)
         : "${BOOT_FSSIZE:=256MiB}"
         ;;
 esac
@@ -176,7 +176,7 @@ fi
 # root filesystem.  This is the generally preferred disk
 # layout for new platforms.
 case "$PLATFORM" in
-	pinebookpro*|rock64*)
+	pinebookpro*|rock64*|rockpro64*)
 		# rk33xx devices use GPT and need more space reserved
 		sfdisk "$FILENAME" <<_EOF
 label: gpt
@@ -274,6 +274,22 @@ CMDLINE="panic=10 coherent_pool=1M console=ttyS2,1500000 root=UUID=${ROOT_UUID}
 USE_DEVICETREEDIR="yes"
 # relative dtb path supplied to FDT line, as long as above is unset
 DTBPATH=""
+_EOF
+    mkdir -p "${ROOTFS}/boot/extlinux"
+    run_cmd_chroot "${ROOTFS}" "/etc/kernel.d/post-install/60-extlinux"
+    cleanup_chroot
+    ;;
+rockpro64*)
+    rk33xx_flash_uboot "${ROOTFS}/usr/lib/rockpro64-uboot" "$LOOPDEV"
+    # populate the extlinux.conf file
+    cat >"${ROOTFS}/etc/default/extlinux" <<_EOF
+TIMEOUT=10
+# Defaults to current kernel cmdline if left empty
+CMDLINE="panic=10 coherent_pool=1M console=ttyS2,115200 root=UUID=${ROOT_UUID} rw"
+# set this to use a DEVICETREEDIR line in place of an FDT line
+USE_DEVICETREEDIR="yes"
+# relative dtb path supplied to FDT line, as long as above is unset
+DTBPATH=""
 _EOF
     mkdir -p "${ROOTFS}/boot/extlinux"
     run_cmd_chroot "${ROOTFS}" "/etc/kernel.d/post-install/60-extlinux"

mkplatformfs.sh

@@ -53,7 +53,7 @@ usage() {
 
 	Supported platforms: i686, x86_64, GCP,
 	                     rpi-armv6l, rpi-armv7l, rpi-aarch64,
-	                     pinebookpro, pinephone, rock64
+	                     pinebookpro, pinephone, rock64, rockpro64
 	
 	OPTIONS
 	 -b <system-pkg>  Set an alternative base-system package (default: base-system)
@@ -127,6 +127,7 @@ case "$PLATFORM" in
     pinebookpro*) PKGS="$BASEPKG ${PLATFORM%-*}-base" ;;
     pinephone*) PKGS="$BASEPKG ${PLATFORM%-*}-base" ;;
     rock64*) PKGS="$BASEPKG ${PLATFORM%-*}-base" ;;
+    rockpro64*) PKGS="$BASEPKG ${PLATFORM%-*}-base" ;;
     *) die "$PROGNAME: invalid platform!";;
 esac