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Core name: Xilinx LogiCORE Serial RapidIO Version: 5.5 Release Date: April 19, 2010 ================================================================================ This document contains the following sections: 1. Introduction 2. New Features 3. Supported Devices 4. Resolved Issues 5. Known Issues 6. Technical Support 7. Other Information (optional) 8. Core Release History 9. 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 IP Serial RapidIO v5.5 solution. For the latest core updates, see the product page at: http://www.xilinx.com/rapidio/ 2. NEW FEATURES - ISE 12.1 software support - Designed to RapidIO Interconnect Specification v2.1 - Virtex-6 LXT/HXT/SXT 5.0 Gbps support - Spartan-6 3.125 Gbps and 4x support - Expanded simulator support - Support for ML505, ML605 and SP605 boards (see Release Notes AR for details) 3. SUPPORTED DEVICES - Virtex-6 LXT/HXT/SXT/CXT - Spartan-6 LXT - Virtex-5 LXT/FXT/SXT - Virtex-4 FX 4. RESOLVED ISSUES - PHY does not properly pass CRF bit to Buffer - Version fixed : v5.5 - CR# 519603 - Updated PHY to properly pass CRF - GT settings for Spartan-6 and Virtex-6 updated based on characterization - Version fixed : v5.5 - PORT_INITIALIZED toggles indefinitely - Version fixed : v5.5 - CR# 551271 - GT wrappers updated so that the core will detect invalid data until RESETDONE asserts. - Processing Element Features CAR implemented incorrectly - Version fixed : v5.5 - CR# 528369 - Part of the PEF CAR was implemented in the PHY configuration space, now it is merged into the LOGIO configuration space as directed by the spec. See core User Guide for map of configuration space. - Recommended modifications to Example Design reset scheme - Version fixed : v5.5 - CR# 533208, 533209, 533212 - Updated reset sequence, see AR# 33574 for specifics. - Example design "implement.bat" file has error - Version fixed : v5.5 - CR# 533796 - Corrected syntax for NGDBuild command. - Virtex-6 clock modules not using production MMCM settings - Version fixed : v5.4rev1 - CR#546021 - Using outdated values from the clocking wizard in clock modules. - Buffer BRAM using READ_FIRST mode - Version fixed : v5.4rev1 - CR#546424 - Using READ_FIRST mode for buffer BRAMs - need to update to WRITE_FIRST mode for Spartan-6 and Virtex-6 based on characterization. - VHDL example design simulation error when CRF bit de-selected - Version fixed : v5.4rev1 - CR# 532020 - Updated example design so that CRF signals not added when CRF support is disabled. - Virtex-6 bring-up issues - Version fixed : v5.4 - CR#527725, CR#525309, CR#531695 - Using integer values for the MMCM_ADV, regenerated Virtex-6 wrappers based on general hardware characterization results, revised reset sequence. Please see core Release Notes for updates. - GUI settings incorrect or not properly reflected in hardware. - Version fixed : v5.4 - CR#507334, CR#528369, CR#528370 / AR#32122 - The following register fields were corrected: Re-transmit Suppression mask, Logical Layer extended features pointer, DeviceVendorID. - Latches inferred in VHDL example design - Version fixed: v5.2 - CR#509670 / AR#32189 - Added intermediate values for partial register and combinational assignments. - lnk_trdy_n does not assert in evaluation core simulations - Version fixed : v5.1rev1 - CR#493479 / AR#31864 - Modified initial state in evaluation cores. - PHY won't generate stand-alone due to missing module - Version fixed : v5.1rev1 - CR#493162 / AR#31834 - Shared file between buffer and log added to buffer file list. - Virtex-4 core has long initialization time - Version fixed : v5.1rev1 - CR#481684 / AR#31617 - Virtex-4 initSM modified to prevent branch to silent when RX PCS resets in DISCOVERY state. - LogIO local arbitration doesn't account for valid causing re-arbitration prior to legitimatepacket completion. - Version fixed : v5.1 - CR#478748 - Valid used to gate mresp_eof_n and iresp_eof_n for local arbitration. - A ireq_dsc_n asserted for an undefined packet type does not get propogated by the logical layer. - Version fixed : v5.1 - CR#478541 - undefined packet type decode now passes dsc to buffer allowing packet to be dropped. - 16-bit deviceID cores may see a maintenance response transaction presented but not validated on the IResp interface resulting in a lost transaction. by the logical layer. - Version fixed : v5.1 - CR#474894 - Fixed issue when the maintenance response is followed immediatly by a single DWord SWrite packet. - SourceID not configureable for IReq port. - Version fixed : v5.1 - CR#473938 - Added ireq_src_id port to logical layer. All transmit source IDs should now be configureable and all received destination IDs observable. - Write enables into LogIO registers aren't allowing partial register writes. - Version fixed : v5.1 - CR#473441 - Write enables now implementedfor all LogIO registers allowing byte-wise writes of CSRs such as the deviceID register and BAR. - Message response transaction received as a user defined packet type using 16-bit device IDs appears as a corrupted packet on the IResp interface. - Version fixed : v5.1 - CR#473400, CR#473693 - Fixed LogIO RX to properly handle all user-defined types. - PHY core does not dsc upon retry when coincident with TX packet eof resulting in potential buffer lock-up - Version fixed : v4.4rev2 - CR#478246 / AR#31407 - lnk_tdst_dsc_n now asserted for all retry and error scenarios. - Retry of packet being sent causes packet to get stuck in buffer - Version fixed : v4.4rev2 - CR#477217 / AR#31318 - No longer applicable, v5.1 introduces new buffer. - Core accepts muddled packet when reinitializing during packet receipt - Version fixed : v4.4rev1 - CR#477115 / AR#31308 - Core PNAs packet in receipt when link goes down. - Core LCSBA implementation removes 64MB of possible addressing space. - Version fixed : v4.4 - CR#472992 / AR#30939 - Use 10-bit mask with full 34-bit address for LCSBA intercept. - CRC error on stalled packet - Version fixed : v4.4 - CR#469678 / AR#30940 - Fixed condition which loaded in new CRC sequence on a stall just after sof received by PHY. This is a non-concern for Xilinx buffer users. - Virtex-4 4x core may intermittenly train down to 1x mode - Version fixed : v4.4 - CR#467616 / AR#30314 - Modified oplm_pcs_rst_sequence.v file supplied with the core to register asynchronous TXLOCK and RXLOCK signals. - Re-initialization not forced following a change to Port Width Override - Version fixed : v4.4 - CR#459427 / AR#30323 - Modified PHY Layer to detect a change in the port width override field and reinitialize when updated. - Messaging packets providing incorrect treq_byte_count value - Version fixed : v4.4 - CR#467116 / AR#30320 - Modified Logical Layer to properly decode Messaging size field. Modified testbench to properly check byte count for messaging type packets. - 8-bit SWrite transactions usign 16-bit deviceIDs suffer lost eofs - Version fixed : v4.4 - CR#467668 / AR#30322 - Modified Logical Layer to properly forward eof through the pipeline. - Some Logical Layer CARs are not being set correctly in the core. - Version fixed : v4.4 - CR#458414 / AR#30054 - The following Logical Layer CARs are not being set correctly in the core: - Assembly Information CAR (offset 0xC) - ExtendedFeaturesPtr portion - Processing Element Features CAR (offset 0x10) - Switch Port Information CAR (offset 0x14) - Destination Operations CAR (offset 0x1C) - Switch Route Table Destination ID Limit CAR (offset 0x34) - Core does not have functionality to enable the user to drop unintended packets based on Device ID. - Version fixed: v4.3. - CR#455552 - Added a new port called deviceid which indicates the current Device ID value stored in the Base Device ID CSR. - Receive side buffer design may corrupt packets - user may see corrupted packets from the logical layer when many small packets cause the status FIFO to fill. - Version fixed: v4.2 - CR#447884 / AR#29263 - No longer applicable, v5.1 introduces new buffer. - Repeated, transmitted packet accepted control symbols referencing the same AckID cause loss of AckID sync - The user will see this as potentially duplicated received packets which ultimately result in a port error condition. - Version fixed: v4.2 - CR#444561 / AR#29233 - Modified the transmit encoder to send a single packet accepted symbol per back-to-back control symbol. - Stomped packet sent after RFR (Restart-from-Retry)control symbol - The user will occasionally see error recovery on a retry which will affect system bandwidth. - Version fixed: v4.2 - CR#435188 / AR#24837 - Modified the PHY interface to kill a packet if discontinued on eof and prevent entry to the buffer. 5. KNOWN ISSUES The following are known issues for v5.5 of this core at time of release: - NGDBuild errors when using ISE GUI unless XST Keep Hierarchy set to Soft - Version to be fixed : Fix Not Scheduled - CR#534514 / AR#33528 - Please reference the Answer Record for additional information and recommendations. - Virtex-4 FX 3.125G, 4x core may not meet timing. - Version to be fixed : Fix Not Scheduled - CR#506364 / AR#32195 - Please reference the Answer Record for additional information and recommendations. - Unable to traindown to x1 mode in Lane 2. - Version to be fixed : Fix Not Scheduled - CR#457109 / AR#30023 - Traindown in Lane 0 works successfully but the Serial RapidIO endpoint is unable to traindown to Lane 2. The RocketIO transceivers only allow traindown to the channel bonding master. - Core reinitialization during error recovery causes recoverable protocol error. - Version to be fixed : Fix Not Scheduled - CR#457885 / AR#30021 - This is an corner condition that could occur if core is forced to reinitialize (i.e. - force_reinit) while it is in the process of error recovery. If this condition occurs, packets will be sent during recovery's quiet period. This situation is recoverable. - Post-Synplicity synthesis implementation runs may exhibit ucf failures - Version to be fixed : Fix Not Scheduled - CR#447782 / AR#29522 - Synplicity generated net names are not consistent with XST generated names and may not be consistent between core types. The .ucf file must be edited in these failure cases. Please reference the Serial RapidIO v5.1 web Release Notes for suggested work around. - PNA cause field may occasionally reflect a reserved value - Version to be fixed : Fix Not Scheduled - CR#436767 / AR#24982 - The cause field is for debug purposes only and will not affect functionality. Occurrence is rare and requires alignment of multiple control symbols. - Control Symbols may be lost on reinit - Version to be fixed : Fix Not Scheduled - CR#436768 / AR#24970 - This is an unusual and ultimately recoverable error. Set the "Additional Link Request Before Fatal" value on the Physical Configuration page of the GUI to "4" in order to prevent a lost Link Request or Link Response from causing the core to enter the port error state. - Logical Rx does not support core side stalls - Version to be fixed : Fix Not Scheduled - CR#436770 / AR#24968 - The rx buffer must provide packets to the logical layer without buffer induced stall cycles. The buffer reference design provided with the core is a store and forward buffer and complies with this rule. The most recent information, including known issues, workarounds, and resolutions for this version is provided in the IP Release Notes Guide located at www.xilinx.com/support/documentation/user_guides/xtp025.pdf 6. 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. 7. OTHER INFORMATION - N/A 8. CORE RELEASE HISTORY Date By Version Description ================================================================================ 04/2010 Xilinx, Inc. 5.5 5.0 Gbps support 03/2010 Xilinx, Inc. 5.4 Revision 1 11.5 support/Patch Release 09/2009 Xilinx, Inc. 5.4 Spartan-6 support 06/2009 Xilinx, Inc. 5.3 Virtex-6 support 04/2009 Xilinx, Inc. 5.2 11.1i support 11/2008 Xilinx, Inc. 5.1 Revision 1 Patch Release 09/2008 Xilinx, Inc. 5.1 New Buffer LogiCore 07/2008 Xilinx, Inc. 4.4 Revision 2 Patch Release 07/2008 Xilinx, Inc. 4.4 Revision 1 Patch Release 06/2008 Xilinx, Inc. 4.4 Bug Fixes 03/2008 Xilinx, Inc. 4.3 10.1i support 10/2007 Xilinx, Inc. 4.2 9.2i support 02/2007 Xilinx, Inc. 4.1 9.1i support 02/2006 Xilinx, Inc. 3.1 Revision 1 Patch Release 01/2006 Xilinx, Inc. 3.1 8.1i support ================================================================================ 9. Legal Disclaimer (c) Copyright 2006 - 2010 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. DISCLAIMER This disclaimer is not a license and does not grant any rights to the materials distributed herewith. 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