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[RK3399][Android7.1] 调试笔记 --- 提高DDR频率到933MHz

2018-01-23 17:35 2186 查看

OS: Android 7.1

Board: Firefly-RK3399

Kernel: v4.4.55

默认使用的是800MHz.

kris@eco:~/firefly_rk3399$ g df u-boot/
diff --git a/u-boot/tools/rk_tools/RKBOOT/RK3399MINIALL.ini b/u-boot/tools/rk_tools/RKBOOT/RK3399MINIALL.ini
index a79d359..d027d91 100755
--- a/u-boot/tools/rk_tools/RKBOOT/RK3399MINIALL.ini
+++ b/u-boot/tools/rk_tools/RKBOOT/RK3399MINIALL.ini
@@ -14,7 +14,7 @@ Path1=tools/rk_tools/bin/rk33/rk3399_usbplug_v1.06.bin
NUM=2
LOADER1=FlashData
LOADER2=FlashBoot
-FlashData=tools/rk_tools/bin/rk33/rk3399_ddr_800MHz_v1.08.bin
+FlashData=tools/rk_tools/bin/rk33/rk3399_ddr_933MHz_v1.08.bin
FlashBoot=tools/rk_tools/bin/rk33/rk3399_miniloader_v1.06.bin
[OUTPUT]
PATH=rk3399_loader_v1.08.106.bin

Log:

DDR Version 1.08 20170320
In
soft reset
SRX
Channel 0: DDR3, 933MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
Channel 1: DDR3, 933MHz
Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB
256B stride

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