device_board_hihope
The hcs,neptune100,picture,shields and others directories are licensed under Apache License, Version 2.0.

(1) The directories below are licensed under Apache License, Version 2.0.
./dayu210/bootanimation
./dayu210/camera
./dayu210/cfg
./dayu210/distributedhardware
./dayu210/kernel
./dayu210/startup
./dayu210/uboot
./dayu210/updater
./rk3568/audio_alsa
./rk3568/bootanimation
./rk3568/camera
./rk3568/cfg
./rk3568/distributedhardware
./rk3568/kernel
./rk3568/loader
./rk3568/updater

(2) The directories below are licensed under GNU General Public License, version 2.
./dayu210/audio_drivers
./rk3568/wifi
./rk3568/audio_drivers

As for the specific use of the licenses,  please refer to the relevant description in the documents.