Download Rev1 update
To get the mandatory Rev1 update for Spartan-6 and Virtex-6 FPGAs with resolved issues described above, apply the following patch to the Xilinx ISE 12.3 software installation:
Install the patch by extracting the contents of the ".zip" archive to the root directory of the Xilinx ISE 12.3 software installation. Select the option that allows the extractor to overwrite all of the existing files and maintain the directory structure predefined in the archive.
After installing the patch, regenerate the SPI-4.2 (POS-PHY L4) v10.2 Core in CORE Generator tool. For further information on finding the Xilinx install and using environment variables, see (Xilinx Answer 11630).
NOTE: You might be required to have system administrator privileges to install the patch if you do not have write permissions to the Xilinx Install directory.
10/05/2010 - Initial Release
12/02/2010 - Added Answer Record 37917