====== Radxa Linux ======

Download image and Linux_Upgrade_Tool_v1.21
<code>
# format
sudo upgrade_tool lf 

# upload image
sudo upgrade_tool uf rock_pro_rabian_150725_2ce6708_nand.img
</code>

===== custom rabian =====

  * http://radxa.com/Rabian/develop
  * https://github.com/radxa/rabian-build

<code>
apt-get install qemu binfmt-support qemu-user-static
sudo apt-get install git-core flex bison build-essential gcc-arm-linux-gnueabihf libncurses5-dev zlib1g-dev sharutils lzop
</code>

<code>
sudo ln -s /usr/bin/arm-linux-gnueabihf-gcc /usr/bin/arm-linux-gcc
</code>


All'interno di rock-bsp

nel Makefile di rock-bsp/Makefile 
<code>
KERNEL_SRC=/lab/radxa/linux-next
</code>

copiato radxa_rock_pro_linux_hdmi_defconfig in $KERNEL_SRC/arch/arm/configs/

  * make	kernel-config	- configure the linux kernel"
  * make	uboot		- compile uboot"
  * make	kernel		- compile kernel"
  * make	ramdisk		- prepare initrd.img"
  * make	rootfs		- prepare rootfs"



  * make	boot.img	- prepare linux-boot.img"
  * make	nand.img	- generate nand.img"
  * make	sdcard.img	- generate sdcard.img"

write image to nand
<code>
# optionally make format
# sudo upgrade_tool lf  

sudo upgrade_tool uf /lab/radxa/rabian-build/160527/rock-bsp/boards/rock_pro/rockdev/rock_pro_rabian_rock_pro_160529_30273dc_nand.img
</code>

===== custom kernel =====

<code>
sudo apt-get install build-essential gcc-arm-linux-gnueabihf lzop libncurses5-dev libssl-dev bc parted build-essential libusb-1.0-0-dev

# checkout linux-next
cd linux-next
export ARCH=arm
export CROSS_COMPILE=arm-linux-gnueabihf-

wget http://rockchip.fr/radxa/linux/rockchip_defconfig -O arch/arm/configs/rockchip_defconfig
wget http://rockchip.fr/radxa/linux/rk3188-radxarock.dts -O arch/arm/boot/dts/rk3188-radxarock.dts

cp arch/arm/configs/rockchip_defconfig .config

# change this in .config
# CONFIG_CMDLINE="console=tty0 console=ttyS2,115200 debug earlyprintk root=/dev/block/mtd/by-name/linuxroot rootwait rootfstype=ext4 rw splash"

make menuconfig

make -j6 zImage dtbs


mkdir modules
export INSTALL_MOD_PATH=./modules
make modules && make modules_install

cat arch/arm/boot/zImage arch/arm/boot/dts/rk3188-radxarock.dtb > zImage-dtb
mkbootimg --kernel zImage-dtb --ramdisk /dev/null -o boot.img

wget http://dl.radxa.com/rock/images/parameter/parameter_linux_nand

sudo rkflashtool P < parameter_linux_nand
sudo rkflashtool w boot < boot.img
sudo rkflashtool b


</code>