News (2008-03-26): Xilinx is about to release their own drivers based on libusb. - They will be located at: - http://www.xilinx.com/support/answers/25249.htm -
When using XILINX JTAG software like Impact, Chipscope and XMD @@ -34,6 +30,19 @@ The library is called libusb-driver as it was developed to support the USB cable, but later extended to also support parallel cables.
+News (2008-03-26): Xilinx has released their own drivers based on libusb with ISE Design Suite 10.1. + To use them, you need to set the environment-variable XIL_IMPACT_USE_LIBUSB to 1 + before running the tools. The driver on this page no longer needs to be preloaded if you only used + it to access USB cables. Parallel port support still seems to rely on windrvr, which can be + emulated by libusb-driver.
+Using 32-bit ISE 10.1 on a 64-bit platform: When using the 32-bit JTAG tools from ISE Design + Suite 10.1 on a 64-bit machine, the tools will not connect to the cable but output the following + error: Cable operation is not supported when running the 32-bit version of the application on a + 64-bit platform. + To fix this, run the tools with linux32 or preload the newest 32-bit version of + libusb-driver. This will lead the tools to believe that they are running on a 32-bit + platform and allows them to connect to the cable. +