Writing/Reading data from Compact flash from FPGA

Do you know how to read/write from Compact flash from an FPGA board ?

Last week, I was trying to do read/write operations to compact flash using FPGA. As usual, it was very difficult to get good documentation to do this.

A summary of the procedure to access files in a Xilinx FPGA board(ML605) is as follows: 

1. Created an XPS project (Microblaze based) and added compact flash IP to the design 

2. Generated bitstream and exported the design to SDK

3. Created a new software project - added the Libxil FAT system library in MSS project settings

4. Wrote a C code to open a file, read/write file ( by reading LibXil documentation)

5. Increase the stack and heap size of the application (to allow dynamic memory allocation) and store application in DDR memory by generating linker script. 

Note : There is no change in jumper settings (for ML605) and default files in compact flash are not to be modified. 

Check out the following links for more details:

http://forums.xilinx.com/t5/Embedded-Development-Tools/Write-1M-data-to-Compact-Flash/td-p/433398

http://www.dte.us.es/share/sde/Cursos_IMEC-XUP_1.6/Lab16V1.1_%20Software%20implementation%20of%20an%20MP3%20player%20%28EDK%208.2%29/Lab16Mod2V1.0.pdf