First, some build notes on the Silicon Turnkey eXpress XTc.
  
  This board has both 87x/88x procesor options at various
  frequencies.  The configuration file has some macros for setting
  the clock speed, not all have been tested.  They all have
  a 10MHz input clock.  Please do not check in a configuration
  file that selects a high speed not available on all processors.
  We chose the 66MHz core and bus speed, which should be OK on
  all boards.  If you have a processor, lucky you! :-)
  Just build a new configuration with that speed, check
  the macro configuration to ensure it's correct.  If the
  macro is updated, please check that in, but keep default
  processor speed.
  
  The board is likely to have more than 1Mbyte of NOR boot flash.
  It was also configured with a high boot vector (Dan's fault)
  so the standard 8xx mapping doesn't work well. We had to move
  the addresses around a little bit so one copy would work.  The
  flash got fragmented, and we are working on a better solution.
  There is an "xtc.cfg" floating around for the BDI2000, use
  that for programming a new version of U-Boot.  You can probably
  find it on the Silicon Turnkey eXpress (www.silicontkx.com),
  Embedded Alley Solutions (embeddedalley.com), or Denx (denx.de)
  servers.
  
  The board will also have various SDRAM sizes, but the code
  should automatically determine the amount of memory.
  
  There are a couple of different board versions, visually
  they use different BGA or surface mount memory parts.  However,
  they are logically the same board.
  
  Now, some operational notes.
  
  The board has the option of sporting two FEC Ethernet ports.
  The second port isn't configured to be automatically available
  because it would cause U-Boot to generate a board data structure
  (the bd_t) with multiple MAC addresses and be incompatible with
  standard 8xx kernel builds.  You can use/test the second FEC
  in U-Boot by assigning an 'eth1addr' and selecting the second
  FEC as the port to use.
  
  Since this is just a development board and not a product, STx
  does not assign unique MAC addresses.  We just pilfer the
  "default" ones used by Wolfgang on some other boards.  Please
  ensure you assign unique MAC addresses when using these boards.
  
  The serial port baud rate is 38400, because that's the way
  I like it :-)
  
  Thanks to Pantelis for lots of the work on this board port.
  
  Have Fun!
  
  	-- Dan
  
  15 August 2005