+platform_check_image_redboot_fis() {
+ if [ "$(get_magic_word "$1")" != "7379" ]; then
+ v "Unknown image format, aborting!"
+ return 1
+ else
+ return 0
+ fi
+}
+
+platform_do_upgrade_redboot_fis() {
+ local append
+ local sysup_file="$1"
+ local kern_part="$2"
+
+ if [ "$(get_magic_word "$sysup_file")" = "7379" ]; then
+ local board_dir=$(tar tf $sysup_file | grep -m 1 '^sysupgrade-.*/$')
+
+ [ -f "$UPGRADE_BACKUP" ] && append="-j $UPGRADE_BACKUP"
+
+ if grep -q "mtd1.*loader" /proc/mtd; then
+ tar xf $sysup_file ${board_dir}kernel ${board_dir}root -O | \
+ mtd -r $append write - loader:firmware
+
+ else
+ local kern_length=$(tar xf $sysup_file ${board_dir}kernel -O | wc -c)
+
+ tar xf $sysup_file ${board_dir}kernel ${board_dir}root -O | \
+ mtd -r $append -F$kern_part:$kern_length:0x80060000,rootfs write - $kern_part:rootfs
+ fi
+ fi
+}