The LogiCORE IP Initiator Target for PCI v4.13 supports Virtex-5 and Spartan-6 architectures only. For all other devices, use the v3.167 PCI Core. For more information on this core, refer to (Xilinx Answer 32324).
CR558506: Timing failures in specific Spartan-6 parts on GNT_N in the FGG484 package. Fix required relocation of GNT_N interface pin. For more information, see (Xilinx Answer 36243).
Depending on the software in use, there are different timing related problems. It is recommended to update to ISE 13.1 software.
ISE 12.2 and 12.3 users:
ISE 12.4 and ISE 13.1 users:
03/01/2011 - Updated for ISE 12.4 and 13.1
08/18/2010 - Added 36992
07/23/2010 - Initial Release