airgateway|\
airrouter|\
ap132|\
+ ap531b0|\
ap90q|\
archer-c59-v1|\
archer-c60-v1|\
rb-750up-r2|\
rb-941-2nd|\
rb-951ui-2nd|\
+ rb-952ui-5ac2nd|\
+ rb-lhg-5nd|\
rb-mapl-2nd)
return 0
;;
wndr4300)
nand_do_upgrade "$1"
;;
+ rb-750-r2|\
+ rb-750up-r2|\
+ rb-941-2nd|\
+ rb-951ui-2nd|\
+ rb-952ui-5ac2nd|\
+ rb-lhg-5nd|\
+ rb-mapl-2nd)
+ # erase firmware if booted from initramfs
+ [ -z "$(rootfs_type)" ] && mtd erase firmware
+ ;;
mr18|\
z1)
merakinand_do_upgrade "$1"