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- Here is the step-by-step to boot to U-Boot on rk3368.
- Get miniloader and trust.img form rockchip vendor u-boot source code
- ==============================================================================
- > git clone https://github.com/rockchip-linux/u-boot.git rockchip-uboot
- > cd rockchip-uboot
- > make rk3368_defconfig /*chose px5_defconfig if you run a px5 platform here*/
- > ./mkv8.sh
- Compile the upstream U-Boot
- ===========================
- > cd u-boot
- > make CROSS_COMPILE=aarch64-linux-gnu- sheep-rk3368_defconfig all
- Package u-boot for miniloader
- ================================
- > ../rockchip-uboot/tools/loaderimage --pack --uboot u-boot.bin u-boot.img
- Flash the image by rkdeveloptool
- ================================
- rkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git
- Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
- > rkdeveloptool db ./rockchip-uboot/rk3368_loader_v2.00.256.bin
- > rkdeveloptool wl 0x6000 ./rockchip-uboot/trust.img
- > rkdeveloptool wl 0x4000 ./u-boot/u-boot.img
- > rkdeveloptool RD
- You should be able to get U-Boot log message from boot console:
- U-Boot 2017.05-rc3-01094-g9ddd1e8-dirty (May 15 2017 - 15:57:23 +0800)
- Model: Rockchip sheep board
- DRAM: 2 GiB
- MMC: dwmmc@ff0f0000: 0
- Using default environment
- In: serial@ff690000
- Out: serial@ff690000
- Err: serial@ff690000
- Net: Net Initialization Skipped
- No ethernet found.
- Hit any key to stop autoboot: 0
- =>
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