What this Patch set do:

* add's the new temporary CONFIG_AT91_LEGACY to all board configs that not converted by this patch * add's a warning to all files, that not converted by this patch * add's the support for AT91RM9200 in at91 tree * add's c stucture SoC defines * convert all files cpu/../at91 to use c stucture SoC access * move the at gpio access to a real driver * add's at91_emac (AT91RM9200) network driver (NET_MULTI) * add's a new board (eb_cpux9k2) which demonstrates, how to use boards with AT91RM9200 cpu in at91 arch tree * convert following board: at91sam9263ek

What is to do/What this Patch set not do:

* convert all at91sam boards to new soc access * convert all at91rm9200 boards from AT91RM9200 arch to at91 arch * convert all drivers to new soc access * remove legacy code, if all boards and drives are ready

see also http://lists.denx.de/pipermail/u-boot/2009-December/065688.html