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Fastboot

60 bytes added, 10:41, 26 February 2014
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*Minimal Rootfs generation scripts<span id="1393404345939S" style="display: none;">
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*Linux kernel 2.6.37.y - fastboot
= What we want archive ? =*Linux kernel 2.6.37.y - fastboot
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This demostration = What we want archive a maximum 3 sec boot time from power up to linux system ready.&nbsp;? =
The system must include the video system, ethernet, rootfs using ubi in whole NAND&nbsp;partition, i2c, uarts, gpio, This demostration want archive a maximum 3 sec boot time from power management, up to linux system consoleready.
The maximum CPU clock speed system must be 800 Mhzinclude the video system, ethernet, rootfs using ubi in whole NAND&nbsp;partition, i2c, uarts, gpio, power management, system console.
The maximum CPU clock speed must be 800 Mhz.
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== IGEPv2 Default system DEMO ==
IGEPv2 include a default linux system demo based on yocto, we will analyze the boot process.
IGEP-X-Loader standard takes 4.11 sec.
Linux Kernel boot time up to mount the rootfs takes 3.8 sec.
Mount the rootfs takes 14.7 sec.
Load other drivers and execute the system scripts takes 29.1 sec (including start the X and sato enviromentenvironment)[[Media:IGEPv2-default-boot.mp4]]