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https://github.com/AsahiLinux/u-boot
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The ROCK64 is a credit card size SBC based on Rockchip RK3328
Quad-Core ARM Cortex A53.
This series allow building u-boot SPL and u-boot.itb for Rock64
board. The proprietary TPL is stil required for deploy:
./tools/mkimage -n rk3328 -T rksd \
-d ./rkbin/bin/rk33/rk3328_ddr_333MHz_v1.16.bin idbloader.img
cat ./spl/u-boot-spl.bin >> idbloader.img
dd if=idbloader.img of=/dev/sdcard seek=64 conv=notrunc
dd if=u-boot.itb of=/dev/sdcard seek=16384 conv=notrunc
Signed-off-by: Matwey V. Kornilov <matwey.kornilov@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
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| .. | ||
| evb-rk3328.c | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.