Unable to do anything other than `ld` a Rock 3C v1.4

[drboone]

ozymandias 668 # lsusb
...
Bus 001 Device 043: ID 2207:350a Fuzhou Rockchip Electronics Company 
...

ozymandias 661 # ./rkdeveloptool -v
rkdeveloptool ver 1.32

ozymandias 663 # dpkg -l | grep libusb-1
ii  libusb-1.0-0:amd64                               2:1.0.29-2+b1                             amd64        userspace USB programming library
ii  libusb-1.0-0-dev:amd64                           2:1.0.29-2+b1                             amd64        userspace USB programming library development files

ozymandias 664 # ./rkdeveloptool ld
DevNo=1 Vid=0x2207,Pid=0x350a,LocationID=108    Maskrom

ozymandias 665 # ./rkdeveloptool ppt
Read GPT failed!
Read parameter failed!
Not found any partition table!
ozymandias 666 # ./rkdeveloptool rd
Reset Device failed!

21:13:45        Error:RKU_Write failed, err=-1
21:13:45        Error: read gpt failed, err=-3
21:13:45        Error:RKU_Write failed, err=-1
21:13:45        Error: read parameter failed, err=-3
21:13:47        Error:RKU_Write failed, err=-1
21:13:47        Error: RKU_ResetDevice failed, err=-3

Can someone help me figure out how to get this working?

[uncellon]

Well, I think it completely broken for some of SoCs. On my Orange Pi 5 (RK3588S) same situation. The error codes you see are from the libusb library.. Code -1 means "Input/output error", -3 - "Access denied (insufficient permissions)".