about how to run your own script at boot time

First, the contents of the Device.mk file in the DEVICE/ROCKCHIP/RKSDK directory to add the content of the compiled file is as follows

Device/rockchip/rksdk/init.jinglun.sh:system/bin/init.jinglun.sh\

Second, add the following in the init.rc file in this directory

Service bigfish-setup/system/bin/init.jinglun.sh
User root
Group Root
OneShot

Third, write the script file init.jinglun.sh

#!/system/bin/sh

#for OTG
Routon_test_gpio 12 1 1122 1

You can run the script at boot time by following the above method.

about how to run your own script at boot time