platform_do_upgrade() { local board=$(board_name) case "$board" in *) default_do_upgrade "$1" ;; esac } PART_NAME=firmware platform_check_image() { local board=$(board_name) [ "$#" -gt 1 ] && return 1 case "$board" in *) echo "Sysupgrade is not supported on your board yet." return 1 ;; esac return 0 }