diff --git a/board/rockchip/evb_rv1108/README b/board/rockchip/evb_rv1108/README
index 79a97c3138..f9df7b2b8f 100644
--- a/board/rockchip/evb_rv1108/README
+++ b/board/rockchip/evb_rv1108/README
@@ -1,12 +1,11 @@
 Here is the step-by-step to boot U-Boot on rv1108 evb.
 
-Get ddr init binary
-==============================================================================
-  > git clone  https://github.com/rockchip-linux/rkbin.git
 
 Compile  U-Boot
 ===========================
-  > make CROSS_COMPILE=arm-linux-gnueabi- evb-rv1108_defconfig  all
+  > make CROSS_COMPILE=arm-linux-gnueabihf- evb-rv1108_defconfig  all
+  > ./tools/mkimage  -n rv1108 -T rksd -d ./out/u-boot-spl.bin spl.bin
+  You can also use the ddr bin from rockchip official release [0] instead of u-boot-spl:
   > ./tools/mkimage  -n rv1108 -T rksd -d ../rkbin/rv1x/rv1108ddr_v1.00.bin spl.bin
   > cat spl.bin u-boot.bin > u-boot.img
 
@@ -19,28 +18,28 @@ Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
   > rkdeveloptool wl 0x40 u-boot.img
   > rkdeveloptool RD
 
-You should be able to get U-Boot log message from boot console:
 
-DDR Version V1.02 20170220
-In
-400MHz
-DDR3
-Bus Width=16 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=512MB
-mach:2
-OUT
+You should be able to get U-Boot log message from boot console with baudrate 1500000:
+
+U-Boot SPL board initReturning to boot ROM...
 
 
-U-Boot 2017.05-00693-g3a5b171 (Jun 01 2017 - 17:37:53 +0800)
+U-Boot 2017.09-01119-gc3ef4c0-dirty (Feb 06 2018 - 10:04:12 +0800)
 
 Model: Rockchip RV1108 Evaluation board
-DRAM:  128 MiB
-APLL: 600000000 DPLL:792000000 GPLL:384000000
+DRAM:  256 MiB
+APLL: 400000000 DPLL:798000000 GPLL:384000000
 MMC:
 Using default environment
 
 In:    serial@10210000
 Out:   serial@10210000
 Err:   serial@10210000
+Model: Rockchip RV1108 Evaluation board
 Net:   No ethernet found.
 Hit any key to stop autoboot:  0
 =>
+
+
+
+[0] git clone  https://github.com/rockchip-linux/rkbin.git