I'm not really sure, I have never used FPGAs. I did once try to learn Verilog, the language used by Altera for their FPGA chips. I found this tutorial a great starting point:
http://www.asic-world.com/verilog/verilog_one_day1.html
And the IDE for Altera FPGAs:
(This is the free stripped down version of it)