Here are links to some useful reference documents:
Xilinx
Xilinx University Program Virtex-II Pro Development System
Hardware Reference Manual
Xilinx
XUPV2P Schematics
Complete Schematics for the XUPV2P Development Board
Xilinx
Embedded System Tools Reference Manual
Embedded Development Kit EDK 8.1i
Xilinx
Xilinx Synthesis Technology (XST) User Guide
Describes XST Support for HDL
Xilinx
Xilinx RocketIO Transceiver User Guide
User Guide for the RocketIO Multi-gigabit Transceiver
