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Radxa-Rock-RK3188

Notes on flashing and usage of Radxa Rock boards.

https://wiki.radxa.com/File:Rock_front.jpg

Rabian official build

apt install lzop libusb-1.0-0-dev git flex bison build-essential gcc-arm-linux-gnueabihf lzop libncurses5-dev libssl-dev bc
git clone https://github.com/radxa/rabian-build.git
cd rabian-build
./rabian-build.sh rock

Troubleshooting

Can't use 'defined(@array)' (Maybe you should just omit the defined()?) at kernel/timeconst.pl

# -	if (!defined(@val)) {
# +	if (!@val) {
nano $(date +%Y%m%d)/rock-bsp/boards/rock/linux-rockchip/kernel/timeconst.pl
/rabian-build.sh rock

Flash

cd Linux_Upgrade_Tool_v1.21
./upgrade_tool uf /home/wert/RadxaRock_rk30/rabian-build/200905/rock-bsp/boards/rock/rockdev/rock_rabian_rock_200905_30273dc_nand.img

First Access

usernme: rock passwd: rock

Build your own Kernel image

# get linux
git clone git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git
cd linux-stable

# desidered version
git tag -l
git checkout v5.8.7

# get rockchip default config
wget http://rockchip.fr/radxa/linux/rockchip_defconfig -O arch/arm/configs/rockchip_defconfig

# this is not needed anymore because it's now in the kernel tree
# wget http://rockchip.fr/radxa/linux/rk3188-radxarock.dts -O arch/arm/boot/dts/rk3188-radxarock.dts

# set compiler env
export ARCH=arm
export CROSS_COMPILE=arm-linux-gnueabihf-

make rockchip_defconfig
make -j8 zImage dtbs

Boot image

git clone https://github.com/neo-technologies/rockchip-mkbootimg.git
cd rockchip-mkbootimg
make
sudo make install
cd ..

# Append the device tree blob to zImage (CONFIG_ARM_APPENDED_DTB option) until we can use U-Boot device tree support.

cd linux-stable
cat arch/arm/boot/zImage arch/arm/boot/dts/rk3188-radxarock.dtb > zImage-dtb
cd ..

# deprecated
# make ramdisk inird image
# git clone https://github.com/radxa/initrd.git
# cd initrd
# find . ! -path "./.git*"  | cpio -H newc  -ov > initrd.img

# create initrd image
# these are the modules needed to be included, find compatibles if something changed in newer kernel versions
gspca_main.ko tda827x.ko tda18218.ko tda827x.ko tda18218.ko tda18271.ko mxl5007t.ko tuner-types.ko mc44s803.ko mxl5005s.ko tea5761.ko xc5000.ko mt2060.ko tda18212.ko tda8290.ko tuner-xc2028.ko tea5767.ko tuner-simple.ko max2165.ko qt1010.ko mt20xx.ko tda9887.ko mt2131.ko mt2266.ko scsi_wait_scan.ko

# put them in a folder then
find . ! -path "./.git*"  | cpio -H newc  -ov > initrd.img

# Create the boot.img using mkbootimg (Rockchip version).
mkbootimg --kernel zImage-dtb --ramdisk initrd.img -o boot.img

External Resources

Build your own image

Backup

Understanding DTS/DTB:

Alternatives

boot loader

Todo

Upgrade kernel: https://github.com/mmind/linux-rockchip

Other RK3188 DTS: