A u-boot-linaro package is available in the linaro maintainers kernel ppa:
ppa:linaro-maintainers/kernel
The package is u-boot-linaro and the version is v2010.06-265-gcdb7497-linaro-1.
If you just want to download the .deb and extract it by hand:
https://launchpad.net/~linaro-maintainers/+archive/kernel/+files/u-boot-lina...
From the changelog:
u-boot-linaro (v2010.06-265-gcdb7497-linaro-1) maverick; urgency=low
* Initial Linaro u-boot tree based on
* Upstream v2010.06-265-gcdb7497
* A series of patches from ssakomans exp branch that add support for beagle C4 and xM. These have been rebased onto current upstream. The gitorious beagle trees are still based on v2010.03. These patches will be replaced with patches from ssakoman.
* Versatile express patches from Matt Waddel.
* Debian packaging by John Rigby based on the lucid u-boot-omap3 package.
* Currently builds u-boot binaries for these platforms ca9x4_ct_vxp aka Versatile Express mx51evk aka Babbage omap4_panda omap3_beagle
If you have access to any of these platforms your help with testing would be appreciated. If you would like other platforms added please let me know.
Thanks John