I have put xilinx kernel on my board : a memec FX12 based on a Virtex 4 FX. Everything thing is OK, I have my serial console, Ethernet is also OK.
I have to make some drivers. For example one for the LCD screen. It is my first driver so I want to try with something easier like LEDs. I know there is a driver from Xilinx but I want to do it by myself. Moreover it is only a file to adapt Xilinx standelone driver for Kernel.
I try to read and to write the registers of my GPIO IP which is working, I have made some tests in standelone. How accessing to these registers ?
I have tried with this for example but without success :