1*4882a593SmuzhiyunHere is the step-by-step to boot U-Boot on rv1108 evb. 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunCompile U-Boot 5*4882a593Smuzhiyun=========================== 6*4882a593Smuzhiyun > make CROSS_COMPILE=arm-linux-gnueabihf- evb-rv1108_defconfig all 7*4882a593Smuzhiyun > ./tools/mkimage -n rv1108 -T rksd -d ./out/u-boot-spl.bin spl.bin 8*4882a593Smuzhiyun You can also use the ddr bin from rockchip official release [0] instead of u-boot-spl: 9*4882a593Smuzhiyun > ./tools/mkimage -n rv1108 -T rksd -d ../rkbin/rv1x/rv1108ddr_v1.00.bin spl.bin 10*4882a593Smuzhiyun > cat spl.bin u-boot.bin > u-boot.img 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunFlash the image by rkdeveloptool 13*4882a593Smuzhiyun================================ 14*4882a593Smuzhiyunrkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunPower on(or reset with RESET KEY) with MASKROM KEY preesed, and then: 17*4882a593Smuzhiyun > rkdeveloptool db ./rkbin/rv1x/rv1108usbboot_v1.00.bin 18*4882a593Smuzhiyun > rkdeveloptool wl 0x40 u-boot.img 19*4882a593Smuzhiyun > rkdeveloptool RD 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunYou should be able to get U-Boot log message from boot console with baudrate 1500000: 23*4882a593Smuzhiyun 24*4882a593SmuzhiyunU-Boot SPL board initReturning to boot ROM... 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun 27*4882a593SmuzhiyunU-Boot 2017.09-01119-gc3ef4c0-dirty (Feb 06 2018 - 10:04:12 +0800) 28*4882a593Smuzhiyun 29*4882a593SmuzhiyunModel: Rockchip RV1108 Evaluation board 30*4882a593SmuzhiyunDRAM: 256 MiB 31*4882a593SmuzhiyunAPLL: 400000000 DPLL:798000000 GPLL:384000000 32*4882a593SmuzhiyunMMC: 33*4882a593SmuzhiyunUsing default environment 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunIn: serial@10210000 36*4882a593SmuzhiyunOut: serial@10210000 37*4882a593SmuzhiyunErr: serial@10210000 38*4882a593SmuzhiyunModel: Rockchip RV1108 Evaluation board 39*4882a593SmuzhiyunNet: No ethernet found. 40*4882a593SmuzhiyunHit any key to stop autoboot: 0 41*4882a593Smuzhiyun=> 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun[0] git clone https://github.com/rockchip-linux/rkbin.git 46