My first step with NIOS II eclipse plateform(9.1)

HI friends,

I am new to this NIOS word with NIOS II eclipse plateform(9.1).

I have a very basic quarry how use give address to register/registers created in VHDL.

e.g. I have situated SPI interface as master now I want to use it with help of NIOS II eclipse plateform(9.1) and would want to use all the register and control signal.

Kindly give me the support for the same.

Regards,

MS