Ubuntu System Compilation
Hardware Configuration
Recommended hardware configuration for compiling Ubuntu development environment:
64-bit CPU
Ubuntu 20.04 system
16GB memory
250GB free space for compilation
Compile as a regular user, do not compile as root
Software Configuration
Install environment packages
sudo apt update
sudo apt-get install repo git ssh make gcc libssl-dev liblz4-tool \
expect g++ patchelf chrpath gawk texinfo chrpath diffstat binfmt-support \
qemu-user-static live-build bison flex fakeroot cmake gcc-multilib g++-multilib \
unzip device-tree-compiler python-pip ncurses-dev pyelftools
SDK Acquisition
Send an email to support@neardi.com to obtain related development materials. Before unzipping after downloading, check whether the MD5 code matches with LPB3399Pro-SDK-Linux-V3.0.tar.gz.md5sum：
$ md5sum LPB3399Pro-SDK-Linux-V3.0-split.tar.gz*
******************************** LPB3399Pro-SDK-Linux-V3.0-split.tar.gzaa
******************************** LPB3399Pro-SDK-Linux-V3.0-split.tar.gzab
******************************** LPB3399Pro-SDK-Linux-V3.0-split.tar.gzac
******************************** LPB3399Pro-SDK-Linux-V3.0-split.tar.gzad
Unzip:
$ cat LPB3399Pro-SDK-Linux-V3.0-split.tar.gz* > LPB3399Pro-SDK-Linux-V3.0.tar.gz
$ tar -zxf LPB3399Pro-SDK-Linux-V3.0.tar.gz
Extract:
cd LPB3399Pro-SDK-Linux-V3.0
git reset --hard
Switch branches:
| branch | explain |
|---|---|
| lz11000001 | Neardi master branch |
git checkout lz11000001
Compile SDK
Select Configuration
./build.sh ./device/rockchip/rk3399pro/BoardConfig_rk3399pro-neardi-linux-lz11000001.mk
Compile NPU
./build.sh npu
Fully Automatic Compilation
Fully automatic compilation will execute all compilations, generating u-boot, kernel, and buildroot.
./build.sh
Partial Compilation
Compile u-boot
./build.sh uboot
Compile kernel
./build.sh kernel
Compile recovery
./build.sh recovery
Compile Ubuntu
./build.sh focal
Packaging Firmware
RK firmware is packaged in a proprietary format by Rockchip, and can be flashed onto eMMC or SD card using tools provided by Rockchip (Note: Unless specified otherwise, the firmware mentioned on the WIKI by default refers to RK firmware).
# Package RK firmware
./build.sh updateimg
The complete firmware will be saved to rockdev/update.img。