David Mandala of Canonical talked last week at Linux.Conf.Au 2012 about the history of Ubuntu Linux supporting the ARM architecture, what's coming up for Ubuntu ARM in the 12.04 LTS release, and even what's expected from Ubuntu on ARM as far out as 2015.
In terms of ARM support under Ubuntu 12.04 LTS "Precise Pangolin", Mandala didn't unleash any surprises. Ubuntu ARM will continue to be supported for netbooks as well as their quickly-developing Ubuntu ARM Server edition. On the client/netbook side, the OMAP3 Beagle Board and OMAP4 Panda Boards will continue to serve as prime development targets. There will also hopefully be initial support for the first round of ARM server SoCs from Marvell and Calxeda by April, assuming there's hardware available in time. These first-generation ARM server parts will be quad-core 1.0+GHz SoCs, as was detailed last year.