1 Here is the step-by-step to boot U-Boot on rv1108 evb.
4 ==============================================================================
5 > git clone https://github.com/rockchip-linux/rkbin.git
6 > dd if=./rkbin/rv1x/rv1108ddr.bin of=ddr.bin bs=4 skip=1
9 ===========================
10 > make CROSS_COMPILE=arm-linux-gnueabi- evb-rv1108_defconfig all
11 > ./tools/mkimage -n rv1108 -T rksd -d ddr.bin spl.bin
12 > cat spl.bin u-boot.bin > u-boot.img
14 Flash the image by rkdeveloptool
15 ================================
16 rkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git
18 Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
19 > rkdeveloptool db ./rkbin/rv1x/RV1108_usb_boot.bin
20 > rkdeveloptool wl 0x40 u-boot.img
23 You should be able to get U-Boot log message from boot console:
25 DDR Version V1.02 20170220
29 Bus Width=16 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=512MB
34 U-Boot 2017.05-00693-g3a5b171 (Jun 01 2017 - 17:37:53 +0800)
36 Model: Rockchip RV1108 Evaluation board
38 APLL: 600000000 DPLL:792000000 GPLL:384000000
40 Using default environment
45 Net: No ethernet found.
46 Hit any key to stop autoboot: 0