The tactical patch includes updates to numerous calibration modules.
All changes will be incorporated in the 14.1 software release.
The tactical patch can be downloaded at: http://www.xilinx.com/txpatches/pub/applications/misc/ar45653_rev2.zip
To install the patch, extract the contents of "ar45653_rev2.zip" to the ./user_design/rtl/phy directory of the generated MIG 7 Series design (example: C:\my_ddr_design\user_design\rtl\phy).
(1) The tactical patch released on 2/24/2012 resulted in calibration failures during the Write Calibration stage on Kintex-7 Initial Engineering Sample devices.
The failures specifically occurred during the extended calibration that is enabled with the top-level parameter "XC7K325T_REV_1X" set to TRUE.
Updating to rev2 of this tactical patch will resolve this issue.
(2) The MIG core must be generated prior to installing the tactical patch, otherwise the patch files will be overwritten.
(3) This tactical patch is only compatible with ISE Design Suite 13.4 and MIG 7 Series v1.4.
An EDK version of this patch can be downloaded at: http://www.xilinx.com/txpatches/pub/applications/misc/ar45653-1.zip
Install the patch by extracting the contents of "ar45653-1.zip" to the project pcores/ directory, and clean Hardware.
NOTE: This tactical patch is only compatible with EDK 13.4.
03/06/12 - Updated tactical patch files to work on Kintex-7 IES devices.
02/24/12 - Updated tactical patch files for new calibration logic
01/18/12 - Initial release of tactical patch