Compiling RK3568 SDK Guide

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Create Debian System Image (Rockchip Official)

Host System Requirements

Debian 11 (bullseye) or Ubuntu 20.04. with Memory >= 16GB and disk space >= 100GB.

Compiling Requirements

Install the necessary packages on Debian/Ubuntu systems: 

sudo apt-get install build-essential flex bison genext2fs

Get Repo files by tarball(with .git)

Download your SDK: (replace url with your given url) 

wget https://dl.photonicat.com/repos/rk3568-debian-source-20220927.tar.xz

Build system image

Run the command below: 

./build.sh

The output path is rockdev, system image path is rockdev/pack

Build Debian/Ubuntu system image (mainline u-boot & kernel)

Check README in https://github.com/photonicat/rockchip_rk3568_linux_mainline for building system image.

Build OpenWRT

Photonicat image contains following packages：

  1. OpenWRT (within rk3568-linux-sdk which builds bootloader, uboot, kernel and OpenWRT)
  2. pcat-manager (within rk3568-linux-sdk)
  3. pcat-manager-web (python closed source. install manually: e.g: https://dl.photonicat.com/repos/openwrt/volatile/pcat-manager-web_1.0.9-0_aarch64_cortex-a53.ipk, we need to change luci listen port to 8080.)
  4. quectel-cm (within rk3568-linux-sdk)

rk3568-linux-sdk will fetch uboot, kernel, openwrt, and copmile them in one build script.

In addition to default packages we have 3 more package for power and modem manager.

  • modem/power_manager (written in c)
  • web interface for displaying mobile modem and battery info. (written in python)
  • c program modem watchdog

Host System Requirements

Debian 11 (bullseye) or Ubuntu 20.04, other distributions may work but not tested.

Compiling Requirements

Please a NORMAL USER, not root

On Debian/Ubuntu systems, install the packages: 

sudo apt update
sudo apt upgrade -y
sudo apt install -y ack antlr3 asciidoc autoconf automake autopoint binutils bison build-essential \
   bzip2 ccache cmake cpio curl device-tree-compiler fastjar flex gawk gettext gcc-multilib g++-multilib \
   git gperf haveged help2man intltool libc6-dev-i386 libelf-dev libglib2.0-dev libgmp3-dev libltdl-dev \
   libmpc-dev libmpfr-dev libncurses5-dev libncursesw5-dev libreadline-dev libssl-dev libtool lrzsz \
   mkisofs msmtp nano ninja-build p7zip p7zip-full patch pkgconf python2.7 python3 python3-pyelftools \
   libpython3-dev qemu-utils rsync scons squashfs-tools subversion swig texinfo uglifyjs upx-ucl unzip \
   vim wget xmlto xxd zlib1g-dev

Get repo files

Get repo files from Github (non-root user): 

git clone https://github.com/photonicat/rockchip_rk3568_openwrt.git
cd rockchip_rk3568_openwrt

Config build target

Run the command below: 

./scripts/feeds update -a                 
./scripts/feeds install -a                                                                        
cp ./configs/base_defconfig .config

Build system image

Run the command below: 

make

The output path is bin/targets/rockchip/armv8/, system image will be named like photonicatwrt-23.04-rxxxx+xx-xxxxxxxxx-rockchip-armv8-ariaboard_photonicat-squashfs-sysupgrade.img.gz

Edit your menuconfig (Optional)

make menuconfig

save and re-run build process again.

IPKs will be under: 

bin/targets/rockchip/armv8/packages/

Build your own package, modules on OpenWRT (Optional)

Use 

make menuconfig

to select 

<M> package_name

for your desired package(s).

If you want to include your own packages to system image, see OpenWRT official documents https://openwrt.org/docs/guide-developer/packages for help.

Flash system images to the onboard eMMC

Prepare update tools and files: 

git clone https://github.com/rockchip-linux/rkdeveloptool.git
cd rkdeveloptool
sudo apt-get install libudev-dev libusb-1.0-0-dev dh-autoreconf
aclocal
autoreconf -i
autoheader
automake --add-missing
./configure
make
wget https://dl.photonicat.com/images/MiniLoaderAll.bin

Enter the firmware update mode, use A-to-A cable to connect USB OTG port to PC, and use the command below: 

gunzip photonicatwrt-23.04-rxxxx+xx-xxxxxxxxx-rockchip-armv8-ariaboard_photonicat-squashfs-sysupgrade.img.gz #Replace file name with the one you get indeed.
sudo ./rkdeveloptool db MiniLoaderAll.bin
sudo ./rkdeveloptool wl 0 photonicatwrt-23.04-rxxxx+xx-xxxxxxxxx-rockchip-armv8-ariaboard_photonicat-squashfs-sysupgrade.img
sudo ./rkdeveloptool rd


How to modify your own version of kernel for openwrt

Compile rockchip_rk3568_openwrt with above steps.

Modify:

Recompile and done.

Photonicat Button Settings

功能 进入方式 状态提示
开机 关机状态下长按3秒 电源灯常亮
开机进入烧录模式 关机状态下短按3下，再长按10秒以上 电源灯闪烁（0.25秒亮，0.25秒暗）
开机恢复出厂设置 关机状态下短按1下，再长按17秒以上 电源灯闪烁（0.5秒亮，0.5秒暗）
关机 开机状态下长按3秒 电源灯熄灭
查看电量 短按1下 3个LED灯全闪2下，根据电量显示，3灯再次全闪2下退出（电量显示定义参见电量定义表）

Generic Devices: Button Settings

功能 进入方式 状态提示
开机进入烧录模式 关机状态下短按3下，再长按10秒以上 电源灯闪烁（0.25秒亮，0.25秒暗）
开机恢复MCU 关机状态下短按1下，再长按8秒以上 电源灯闪烁（0.5秒亮，0.5秒暗）
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