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[C-13] Hi3719C

  • [Hi3719C] Setting the CPU Frequency

    2014.02.06 by eoseontaek

  • [Hi3719C] DVFS 설정

    2014.02.05 by eoseontaek

  • [Hi3719C] Development Compilation

    2014.01.15 by eoseontaek

[Hi3719C] Setting the CPU Frequency

The current SDK has five default CPU profiles (400 MHz, 600 MHz, 800 MHz, 1000 MHz,and 1200 MHz). To manually set the CPU frequency, disable dynamic CPU frequency and voltage scaling byrunning the following command:$ echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor Then set the CPU frequency by running the following command:$ echo 400000 > /sys/devices/system/cpu/cpu0/cpufr..

[C-13] Hi3719C 2014. 2. 6. 16:15

[Hi3719C] DVFS 설정

DVFS (Dynamic Voltage and Frequency Scaling ) Enable dynamic CPU frequency and voltage scaling$ echo interactive > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governorfile : \device\hisilicon\Hi3719CV100\etc\init.Hi3719CV100.sh Disable dynamic CPU frequency and voltage scaling$ echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

[C-13] Hi3719C 2014. 2. 5. 13:50

[Hi3719C] Development Compilation

Configuring the Environment $ source build/envsetup.sh$ lunch Hi3719CV100-eng [All Images]Run the following command in the code root directory$ cd ~/Android-K/src$ make bigfish -j16 2>&1 | tee bigfish.log [Kernel Image]Kernel Directory : ./device/hisilicon/bigfish/sdk/source/kernel/linux-3.4.y Run the following command in the code root directory$ make kernel –j16 2>&1 | tee kernel.log Modifying ..

[C-13] Hi3719C 2014. 1. 15. 12:58

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