#
#Step1: Download rkdeveloptool
# For aarch64 FreeBSD-13.1-RELEASE
# wget https://personalbsd.org/download/Packages/rkdeveloptool.tgz
# pkg add rkdeveloptool.tgz
#
root@dell:~ # rkdeveloptool -v
rkdeveloptool ver 1.32
root@dell:~ #

rkdeveloptool ld
# DevNo=1	Vid=0x2207,Pid=0x350a,LocationID=104	Maskrom

# Erase flash
rkdeveloptool ef

# For R4SE
# wget https://personalbsd.org/download/rkdeveloptool/rk3588_spl_loader_v1.08.111.bin
rkdeveloptool db rk3588_spl_loader_v1.08.111.bin

# Write the GPT image to eMMC, start to write from offset 0. 
# For example. for NanoPi-R6C
#
rkdeveloptool wl 0 NANOPI-R6C_EFI.img

# Reboot the device
rkdeveloptool rd