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Core name: Xilinx Virtex-6 Integrated Block for PCI Express
Version: 1.3
Release Date: September 16, 2009
================================================================================
This document contains the following sections:
1. Introduction
2. New Features
3. Resolved Issues
4. Known Issues
5. Technical Support
6. Other Information
7. Core Release History
8. Legal Disclaimer
================================================================================
1. INTRODUCTION
For the most recent updates to the IP installation instructions for this core,
please go to:
http://www.xilinx.com/ipcenter/coregen/ip_update_install_instructions.htm
For system requirements:
http://www.xilinx.com/ipcenter/coregen/ip_update_system_requirements.htm
This file contains release notes for the Xilinx LogiCORE(TM) IP Virtex-6
Integrated Block for PCI Express v1.3 solution. For the latest core updates,
see the product page at:
http://www.xilinx.com/products/ipcenter/V6_PCI_Express_Block.htm
2. NEW FEATURES
- ISE 11.3 software support
- Virtex-6 Integrated Block for PCI Express Root Port support
- Implementation support for 512 Bytes MPS configuration for the 8-lane Gen2
product.
- Implementation support for all part/packages for the 8-lane Gen2 product
- Added support for 6VHX380T-FF1155-1.
3. RESOLVED ISSUES
- Error in generating core from ISE New source Wizard
o CR 517195
Issue resolved where ProjNav would error out with a Tcl scripting error when
attempting to generate the core from ISE New Source Wizard.
- Incorrect UCF path in implement.bat file
o CR 523072
Issue resolved where the relative path to UCF in implement.bat is incorrect,
when design is generated and implemented on Windows operating systems.
- BUFG driving MMCM clkin removed
o CR 511334
The BUFG driving the MMCM clkin was removed, to reduce the number of BUFGs
used in the design.
- Root Port operation now supported in this release.
o CR 509679
Support added for Root Port operation of the PCIe Integrated Block.
- FIFO_LIMIT setting could cause throttling on Transaction Transmit interface
for the 8-lane Gen2 operation only
o CR 524324
Issue resolved where the FIFO_LIMIT setting in the 8-lane Gen2 product
was not high enough and could cause throttling on the Transaction transmit
interface.
- Incorrect cfg_trn_pending_n functionality
o CR 524835
Issue resolved where the cfg_trn_pending_n output of the core was inverted.
- Implementation support for the 8-lane Gen2 product with 512 Bytes Max
Payload Size Configuration
o CR 522979
Implementation support is now available for the 8-lane Gen 2 product with
512 Bytes Max Payload Size Configuration
- Support for Non-default User Interface frequency when the Xilinx Development
Board selected is "ML 605"
o CR 522735
Implementation support is now available for non-default User Interface
frequency when the Xilinx Development Board selected is "ML 605".
- Support for Programmed Power Management (PPM) state L1 for the 8-lane Gen2
product
o CR 522902
Programmed Power Management (PPM) state L1 is now supported for the 8-lane
Gen2 product
- trn_reof_n assertion without a trn_rsof_n assertion on Receive Transaction
Interface in the 8-lane Gen2 product, when receiving back-to-back
Transactions.
o CR 522593
Issue resolved where trn_reof_n might assert without trn_rsof_n assertion
if trn_rsrc_rdy_n were deasserted while a packet was being written into
the internal FIFO.
- Requirement added for trn_tsrc_dsc_n assertion to be accompanied by
trn_teof_n assertion in the 8-lane Gen2 product
o CR 525136
The 8-lane Gen2 product now requires trn_tsrc_dsc_n assertion to be
accompanied by trn_teof_n assertion.
- Transmit Transaction interface lock-up in the 8-lane Gen2 product.
o CR 525691
Issue resolved where the Transmit Transaction interface locks up on an
assertion of trn_teof_n, which is not qualified by trn_tsrc_rdy_n, in the
8-lane Gen2 product.
4. KNOWN ISSUES
The following are known issues for v1.3 of this core at time of release:
- Virtex-6 solutions are pending hardware validation.
- trn_rnp_ok_n not supported in the 8-lane Gen2 Integrated Block
o CR 518631
Use of trn_rnp_ok_n is not supported in the 8-lane Gen 2 Integrated Block
for PCI Express product.
Workaround : None
- Gen2 operation only supported with 250 MHz Reference Clock.
o CR 522983
Gen 2 operation is only supported with 250 MHz Reference Clock.
Workaround : Use an external PLL to convert 100 MHz clock to 250 MHz.
Contact Xilinx Support.
- VHDL example design / testbench not supported.
o CR 510476
VHDL example design and testbench are not supported in the 11.2 release
Workaround : None. Planned release in 11.4.
The most recent information, including known issues, workarounds, and
resolutions for this version is provided in the IP Release Notes Guide located at
http://www.xilinx.com/support/documentation/user_guides/xtp025.pdf
5. TECHNICAL SUPPORT
To obtain technical support, create a WebCase at www.xilinx.com/support.
Questions are routed to a team with expertise using this product.
Xilinx provides technical support for use of this product when used
according to the guidelines described in the core documentation, and
cannot guarantee timing, functionality, or support of this product for
designs that do not follow specified guidelines.
6. OTHER INFORMATION
In this release, the only supported synthesis tool is XST.
Additionally, only Verilog simulation and example design files are provided.
7. CORE RELEASE HISTORY
Date By Version Description
================================================================================
09/16/2009 Xilinx, Inc. 1.3 11.3 support
06/24/2009 Xilinx, Inc. 1.2 11.2 support
04/24/2009 Xilinx, Inc. 1.1 Initial release (BETA)
================================================================================
8. Legal Disclaimer
(c) Copyright 2009 Xilinx, Inc. All rights reserved.
This file contains confidential and proprietary information
of Xilinx, Inc. and is protected under U.S. and
international copyright and other intellectual property
laws.
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