[OpenWrt-Devel] [PATCH][RESEND.3] ar71xx:stops qihoo c301 booting into backup firmware

Yousong Zhou yszhou4tech at gmail.com
Mon Sep 22 04:10:41 EDT 2014

Just got the device... Wow

On 22 September 2014 15:47, swigger <swigger at gmail.com> wrote:
> Well, it's a good idea.
> But I don't know how to create a wiki page.
> QIhoo 360 C301 (http://luyou.360.cn/parameter.html, Simplified Chinese
> ONLY), has two 16M flash.
> The first flash is full functional, and the second has just a backup firmware.
> U-boot will boot into the second flash when it believes firmware on
> the first is broken.

Yeah, when (image1trynum > imagemaxtry) with imagemaxtry defaults to
3, and in this case, image1status would be set to 1 to mark it as not

> To flash openwrt, disconnect power source, hold down the reset button
> and power on, keep holding reset button for about 20 seconds.
> Go to and upload the openwrt firmware to flash.


> To flash back to OEM firmware from openwrt, use the same instructions
> above and upload a decrypted OEM firmware which can be founded
> somewhere by a search engine.

How about flashing back through OpenWrt's sysupgrade process?

> There is also some tools for decrypting OEM firmware (no tool for
> encrypting yet), but they are not part of openwrt, so it is not
> necessary to discuss here.

You mean seama?  That code is already in OpenWrt.

I think I have a better patch for working with this U-Boot.  Please
hold on for a moment.


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