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README

      1 Here is the step-by-step to boot U-Boot on rv1108 evb.
      2 
      3 Get ddr init binary
      4 ==============================================================================
      5   > git clone  https://github.com/rockchip-linux/rkbin.git
      6 
      7 Compile  U-Boot
      8 ===========================
      9   > make CROSS_COMPILE=arm-linux-gnueabi- evb-rv1108_defconfig  all
     10   > ./tools/mkimage  -n rv1108 -T rksd -d ../rkbin/rv1x/rv1108ddr_v1.00.bin spl.bin
     11   > cat spl.bin u-boot.bin > u-boot.img
     12 
     13 Flash the image by rkdeveloptool
     14 ================================
     15 rkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git
     16 
     17 Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
     18   > rkdeveloptool db ./rkbin/rv1x/rv1108usbboot_v1.00.bin
     19   > rkdeveloptool wl 0x40 u-boot.img
     20   > rkdeveloptool RD
     21 
     22 You should be able to get U-Boot log message from boot console:
     23 
     24 DDR Version V1.02 20170220
     25 In
     26 400MHz
     27 DDR3
     28 Bus Width=16 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=512MB
     29 mach:2
     30 OUT
     31 
     32 
     33 U-Boot 2017.05-00693-g3a5b171 (Jun 01 2017 - 17:37:53 +0800)
     34 
     35 Model: Rockchip RV1108 Evaluation board
     36 DRAM:  128 MiB
     37 APLL: 600000000 DPLL:792000000 GPLL:384000000
     38 MMC:
     39 Using default environment
     40 
     41 In:    serial@10210000
     42 Out:   serial@10210000
     43 Err:   serial@10210000
     44 Net:   No ethernet found.
     45 Hit any key to stop autoboot:  0
     46 =>
     47