u-boot sources

hi there,

I am a bit lost in the jungle of u-boot repositories, and have no clues where to 'git clone' to checkout sources of the factory pre-installed boot-loader of my C4.

the banner says:

U-Boot 2009.11-rc1-00601-g3aa4b51 (Jan 05 2010 - 20:56:38)

Thanks for your lights.