1Get the Source and prebuild binary 2================================== 3 4 > mkdir ~/evb_rk3229 5 > cd ~/evb_rk3229 6 > git clone git://git.denx.de/u-boot.git 7 > git clone https://github.com/OP-TEE/optee_os.git 8 > git clone https://github.com/rockchip-linux/rkbin.git 9 > git clone https://github.com/rockchip-linux/rkdeveloptool.git 10 11Compile the OP-TEE 12=============== 13 14 > cd optee_os 15 > make clean 16 > make CROSS_COMPILE_ta_arm32=arm-none-eabi- PLATFORM=rockchip-rk322x 17 Get tee.bin in this step, copy it to U-Boot root dir: 18 > cp out/arm-plat-rockchip/core/tee-pager.bin ../u-boot/tee.bin 19 20Compile the U-Boot 21================== 22 23 > cd ../u-boot 24 > export CROSS_COMPILE=arm-linux-gnueabihf- 25 > export ARCH=arm 26 > make evb-rk3229_defconfig 27 > make 28 > make u-boot.itb 29 30 Get tpl/u-boot-tpl.bin, spl/u-boot-spl.bin and u-boot.itb in this step. 31 32Compile the rkdeveloptool 33======================= 34 Follow instructions in latest README 35 > cd ../rkflashtool 36 > autoreconf -i 37 > ./configure 38 > make 39 > sudo make install 40 41 Get rkdeveloptool in you Host in this step. 42 43Both origin binaries and Tool are ready now, choose either option 1 or 44option 2 to deploy U-Boot. 45 46Package the image 47================= 48 49 > cd ../u-boot 50 > tools/mkimage -n rk322x -T rksd -d tpl/u-boot-spl.bin idbloader.img 51 > cat spl/u-boot-spl.bin >> idbloader.img 52 53 Get idbloader.img in this step. 54 55Flash the image to eMMC 56======================= 57Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then: 58 > cd .. 59 > rkdeveloptool db rkbin/rk32/rk322x_loader_v1.04.232.bin 60 > rkdeveloptool wl 64 u-boot/idbloader.img 61 > rkdeveloptool wl 0x4000 u-boot/u-boot.itb 62 > rkdeveloptool rd 63 64Flash the image to SD card 65========================== 66 > dd if=u-boot/idbloader.img of=/dev/sdb seek=64 67 > dd if=u-boot/u-boot.itb of=/dev/sdb seek=16384 68 69You should be able to get U-Boot log message with OP-TEE boot info. 70 71For more detail, please reference to: 72http://opensource.rock-chips.com/wiki_Boot_option 73