There is some issue with the implement script. So I took the manual steps.

 

1. Created the pcie core using core generator.

 

2. Implement the core by running the implement.bat in implement folder.

 

2. Create a new ISE project.

 

3. Add the DMA refereance design files required. (Either 32 or 64 files)

 

4. Add the created <pcie_core>.ngc file to the project.

 

5. Implement the whole design using ISE.

 

6. It created the bit file and finished successfully.

转载自：http://blog.csdn.net/jasonwoodlee/article/details/6708441