12d1951feSAndy YanHere is the step-by-step to boot U-Boot on rv1108 evb. 22d1951feSAndy Yan 32d1951feSAndy YanGet ddr init binary 42d1951feSAndy Yan============================================================================== 52d1951feSAndy Yan > git clone https://github.com/rockchip-linux/rkbin.git 62d1951feSAndy Yan 72d1951feSAndy YanCompile U-Boot 82d1951feSAndy Yan=========================== 92d1951feSAndy Yan > make CROSS_COMPILE=arm-linux-gnueabi- evb-rv1108_defconfig all 10*dca47409SAndy Yan > ./tools/mkimage -n rv1108 -T rksd -d ../rkbin/rv1x/rv1108ddr_v1.00.bin spl.bin 112d1951feSAndy Yan > cat spl.bin u-boot.bin > u-boot.img 122d1951feSAndy Yan 132d1951feSAndy YanFlash the image by rkdeveloptool 142d1951feSAndy Yan================================ 152d1951feSAndy Yanrkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git 162d1951feSAndy Yan 172d1951feSAndy YanPower on(or reset with RESET KEY) with MASKROM KEY preesed, and then: 18*dca47409SAndy Yan > rkdeveloptool db ./rkbin/rv1x/rv1108usbboot_v1.00.bin 192d1951feSAndy Yan > rkdeveloptool wl 0x40 u-boot.img 202d1951feSAndy Yan > rkdeveloptool RD 212d1951feSAndy Yan 222d1951feSAndy YanYou should be able to get U-Boot log message from boot console: 232d1951feSAndy Yan 242d1951feSAndy YanDDR Version V1.02 20170220 252d1951feSAndy YanIn 262d1951feSAndy Yan400MHz 272d1951feSAndy YanDDR3 282d1951feSAndy YanBus Width=16 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=512MB 292d1951feSAndy Yanmach:2 302d1951feSAndy YanOUT 312d1951feSAndy Yan 322d1951feSAndy Yan 332d1951feSAndy YanU-Boot 2017.05-00693-g3a5b171 (Jun 01 2017 - 17:37:53 +0800) 342d1951feSAndy Yan 352d1951feSAndy YanModel: Rockchip RV1108 Evaluation board 362d1951feSAndy YanDRAM: 128 MiB 372d1951feSAndy YanAPLL: 600000000 DPLL:792000000 GPLL:384000000 382d1951feSAndy YanMMC: 392d1951feSAndy YanUsing default environment 402d1951feSAndy Yan 412d1951feSAndy YanIn: serial@10210000 422d1951feSAndy YanOut: serial@10210000 432d1951feSAndy YanErr: serial@10210000 442d1951feSAndy YanNet: No ethernet found. 452d1951feSAndy YanHit any key to stop autoboot: 0 462d1951feSAndy Yan=> 47