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[openrisc] or1200 on cyclone

Today ,I port the or1200 onto my ep1c12qc240 board.it has cpu, ram, 
rom and an io module wrote by myself,all other are removed.The speed 
is 10MHz,but the synthesis resulte tells 33.5MHz.Now it costs too much 
LEs,for rom and registers file are implemented in LEs.Only a few 
instruction is tested,but i promise i'll test all instruction.My aim is run 
uclinux on my board wth 16550, ps2 and LCD.
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