General Description:
My CoolRunner-II XC2C384 FT256 BSDL file fails JTAG operations such as EXTEST, INTEST, etc.
You can download updated files from the BSDL download page at:
http://support.xilinx.com/support/sw_bsdl.htm
This problem has been fixed in the latest 6.2i Service Pack, available at:
http://support.xilinx.com/xlnx/xil_sw_updates_home.jsp
The first service pack containing the fix is 6.2i Service Pack 1.