we have upload Linux source code in Github, If you have account in Github, you can operate as following:
1. Export cross compile tool
git clone https://github.com/zhengsjgoembed/335x-B1-CROSS_COMPILE.git
cd 335x-B1-CROSS_COMPILE
source path.sh
2. Download Uboot and compile Uboot
git clone https://github.com/zhengsjgoembed/335x-B1-UBOOT.git
cd 335x-B1-UBOOT
./build.sh
3. Download Linux source code and compile
git clone https://github.com/zhengsjgoembed/335x-B1-LINUX.git
cd 335x-B1-LINUX
./build.sh
4. Download buildroot and make filesystem
git clone https://github.com/zhengsjgoembed/335x-buildroot.git
cd 335x-buildroot
./build.sh b1
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SBC335x-B1A download from baidu yun
SBC335x-B1A download from Dropbox
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If you have any query, please send us Email: support@goembed.com
Linux download from Dropbox
update:2015.08.25
rootfs.tar /15.1MB
u-boot-2013.01.01-psp06.00.00.00.tar / 9,5MB
linux-3.2.0-psp04.06.00.08.sdk.tar / 76.1MB
i686-arago-linux.tar / 51.9MB
update: 2016.4.14
SBC335x-B1A download from baidu yun
http://pan.baidu.com/s/1jIhd0jk
SBC335x-B1A download from Dropbox
if you have any query, please send < support@goembed.com>, thanks.