Edge2 startup logo addr address issue

Which system do you use? Android, Ubuntu, OOWOW or others?

ubuntu

Which version of system do you use? Please provide the version of the system here:

self

Please describe your issue below:

kedge2.h:
define ROCKCHIP_DEVICE_SETTINGS \
                "logo_addr_r=0x07000000\0" \

How can I know that the address logo_ addr_r is fixed??
How did it come about? Can you explain it?