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-Introduction
-============
-
-RK3328 key features we might use in U-Boot:
-* CPU: ARMv8 64bit quad-core Cortex-A53
-* IRAM: 36KB
-* DRAM: 4GB-16MB dual-channel
-* eMMC: support eMMC 5.0/5.1, suport HS400, HS200, DDR50
-* SD/MMC: support SD 3.0, MMC 4.51
-* USB: USB2.0 EHCI host port *2
-* Display: RGB/HDMI/DP/MIPI/EDP
-
-evb key features:
-* regulator: pwm regulator for CPU B/L
-* PMIC: rk808
-* debug console: UART2
-
-In order to support Arm Trust Firmware(ATF), we need to use the
-miniloader from rockchip which:
-* do DRAM init
-* load and verify ATF image
-* load and verify U-Boot image
-
-Here is the step-by-step to boot to U-Boot on rk3328.
-
-Get the Source and prebuild binary
-==================================
-
- > mkdir ~/evb_rk3328
- > cd ~/evb_rk3328
- > git clone https://github.com/ARM-software/arm-trusted-firmware.git
- > git clone https://github.com/rockchip-linux/rkbin
- > git clone https://github.com/rockchip-linux/rkflashtool
-
-Compile ATF
-===============
-
- > cd arm-trusted-firmware
- > make realclean
- > make CROSS_COMPILE=aarch64-linux-gnu- PLAT=rk3328 bl31
-
-Compile U-Boot
-==================
-
- > cd ../u-boot
- > make CROSS_COMPILE=aarch64-linux-gnu- evb-rk3328_defconfig all
-
-Compile rkflashtool
-=======================
-
- > cd ../rkflashtool
- > make
-
-Package image for miniloader
-================================
- > cd ..
- > cp arm-trusted-firmware/build/rk3328/release/bl31.bin rkbin/rk33
- > ./rkbin/tools/trust_merger rkbin/tools/RK3328TRUST.ini
- > ./rkbin/tools/loaderimage --pack --uboot u-boot/u-boot-dtb.bin uboot.img
- > mkdir image
- > mv trust.img ./image/
- > mv uboot.img ./image/rk3328evb-uboot.bin
-
-Flash image
-===============
-Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
-
- > ./rkflashtool/rkflashloader rk3328evb
-
-You should be able to get U-Boot log message in console/UART2 now.