Many of the sources are found on git for this series.

Kernel:
https://github.com/embeddedarm/linux-3.10.17-imx6
U-boot:
https://github.com/embeddedarm/u-boot-imx
ts4900-utils (tshwctl, nvramctl, load_fpga, etc):
https://github.com/embeddedarm/ts4900-utils
Yocto:
http://wiki.embeddedarm.com/wiki/TS-4900_-_Build_Yocto_Distribution
Android:
https://github.com/embeddedarm/android_manifest