Get the Source and prebuild binary
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==================================
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> mkdir ~/gva_rk3229
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> cd ~/gva_rk3229
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> git clone git://git.denx.de/u-boot.git
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> git clone https://github.com/OP-TEE/optee_os.git
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> git clone https://github.com/rockchip-linux/rkbin.git
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> git clone https://github.com/rockchip-linux/rkdeveloptool.git
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Compile the OP-TEE
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(For Android Things Project, use the image bellow.
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<android root>/vendor/bsp/rockchip/security/optee/os/trust_with_ta.img)
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===============
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> cd optee_os
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> make clean
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> make CROSS_COMPILE_ta_arm32=arm-none-eabi- PLATFORM=rockchip-rk322x
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Get tee.bin in this step, copy it to U-Boot root dir:
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> cp out/arm-plat-rockchip/core/tee-pager.bin ../u-boot/tee.bin
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Compile the U-Boot
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(For Android Things Project, use Android build system.)
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==================
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> cd ../u-boot
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> export CROSS_COMPILE=arm-linux-gnueabihf-
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> export ARCH=arm
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> make gva-rk3229_defconfig
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> make u-boot-dtb.bin
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Get u-boot-dtb.bin in this step.
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Compile the rkdeveloptool
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=======================
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Follow instructions in latest README
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> cd ../rkdeveloptool
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> sudo apt-get install libudev-dev libusb-1.0-0-dev dh-autoreconf
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> autoreconf -i
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> ./configure
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> make
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Get rkdeveloptool in you Host in this step.
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Both origin binaries and Tool are ready now, choose either option 1 or
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option 2 to deploy U-Boot.
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Package the image
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(For Android Things Project, use Android build system.)
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=================
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> cd ../u-boot
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> rkbin/tools/loaderimage --pack --uboot u-boot-dtb.bin uboot.img 0x61000000
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Get uboot.img in this step.
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Flash the image to eMMC
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(For Android Things Project that supports AB update,
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please follow google's documents.)
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=======================
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Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
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> cd ..
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> rkdeveloptool db rkbin/rk32/rk322x_loader_v1.04.232.bin
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> rkdeveloptool wl 0x4000 uboot.img
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> rkdeveloptool wl 0x6000 trust.img
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> rkdeveloptool rd
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You should be able to get U-Boot log message with OP-TEE boot info.
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For more detail, please reference to:
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http://opensource.rock-chips.com/wiki_Boot_option
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