This answer record contains the Release Notes and Known Issues for the QDRIV UltraScale and UltraScale+ cores and includes the following:
This Release Notes and Known Issues Answer Record is for the programmable logic QDRIV IP core supported in UltraScale and UltraScale+ based devices.
QDRIV IP Page:
https://www.xilinx.com/products/intellectual-property/qdriv.html
Xilinx Forums:
Please seek technical support via the Memory Interfaces Board. The Xilinx Forums are a great resource for technical support.
The entire Xilinx Community is available to help here, and you can ask questions and collaborate with Xilinx experts to get the solutions you need.
General Information
Supported devices can be found in the following locations:
For a list of new features and added device support for all versions, see the Change Log file available with the core in Vivado tools.
Table 1 correlates the core version to the first Vivado design tools release version in which it was included.
Table 1: Version
| QDRIV Version | Vivado Tools Version |
| v2.0 (Rev. 9) | 2020.1 |
| v2.0 (Rev. 8) | 2019.2 |
| v2.0 (Rev. 7) | 2019.1 |
| v2.0 (Rev. 6) | 2018.3 |
| v2.0 (Rev. 5) | 2018.2 |
| v2.0 (Rev. 4) | 2018.1 |
| v2.0 (Rev. 3) | 2017.4 |
| v2.0 (Rev. 2) | 2017.3 |
| v2.0 (Rev. 1) | 2017.2 |
| v2.0 | 2017.1 |
| v1.2 (Rev. 1) | 2016.4 |
| v1.2 | 2016.3 |
| v1.1 (Rev. 1) | 2016.2 |
| v1.1 | 2016.1 |
| v1.0 | 2015.4 |
For a list of supported memory interfaces and operating frequencies for UltraScale family FPGAs go to the External Memory Interfaces section of the Memory Solutions page:
https://www.xilinx.com/products/technology/memory.html#externalMemory
For a complete list of supported QDRIV memory devices refer to the memory_device_support_qdriv.xlsx attachment found at the bottom of this Answer Record.
For the latest info on what is new for Vivado, including supported operating systems and IP release notes, see (UG973).
Known and Resolved Issues
Table 2 provides the known and resolved issues for the UltraScale family QDRIV IP.
Note: The "Version Found" column lists the version the problem was first discovered. The problem might also exist in earlier versions, but no specific testing has been performed to verify earlier versions.
Table 2: Known and Resolved Issues
| Answer Record | Title | Version Found | Version Resolved |
| (Xilinx Answer 73714) | UltraScale/UltraScale+ Memory IP - Locked IPs from Earlier Versions of Vivado when Brought in to 2020.1 or Later Will Encounter Errors During Implementation or in Hardware | v2.0 (Rev. 9) | NF |
| (Xilinx Answer 70193) | UltraScale/UltraScale+ QDRIV IP v2.0 - Hold violations | v1.2 | v2.0 (Rev. 4) |
| (Xilinx Answer 68037) | UltraScale/UltraScale+ QDRIV IP - vio_tg_start is Unconnected to Advanced Traffic Generator (ATG) | v1.2 | v2.0 (Rev. 4) |
| (Xilinx Answer 65395) | UltraScale/UltraScale+ QDRIV IP - "UNKNOWN STATE ERROR" Messages Reported During Simulations when using QuestaSim | v1.0 | v1.1 |
| 04/18/2017 | Created separate Answer Record for QDRIV |
| 06/12/2017 | Updated for 2017.2 |
| 07/31/2017 | Updated debugging link to (Xilinx Answer 68937) |
| 08/31/2017 | Removed generic AR link and updated AR formatting |
| 09/18/2017 | Updated for 2017.3 |
| 12/07/2017 | Added (Xilinx Answer 70193) and updated for 2017.4 |
| 03/13/2018 | Updated for 2018.1 |
| 09/20/2018 | Updated for 2018.3 |
| 05/02/2019 | Updated for 2019.1 |
| 10/20/2019 | Updated for 2019.2 |
| 05/21/2020 | Added AR#73714; Updated for 2020.1 |
| Name | File Size | File Type |
|---|---|---|
| memory_device_support_qdriv.xlsx | 18 KB | XLSX |
| Answer Number | Answer Title | Version Found | Version Resolved |
|---|---|---|---|
| 58435 | MIG UltraScale - IP Release Notes and Known Issues for Vivado 2014.1 and newer tool versions | N/A | N/A |
| 65395 | UltraScale/UltraScale+ QDRIV IP - "UNKNOWN STATE ERROR" Messages Reported During Simulations when using QuestaSim | N/A | N/A |
| 68037 | QDRIV IP - vio_tg_start is unconnected to Advanced Traffic Generator (ATG) | N/A | N/A |
| Answer Number | Answer Title | Version Found | Version Resolved |
|---|---|---|---|
| 65395 | UltraScale/UltraScale+ QDRIV IP - "UNKNOWN STATE ERROR" Messages Reported During Simulations when using QuestaSim | N/A | N/A |
| 68037 | QDRIV IP - vio_tg_start is unconnected to Advanced Traffic Generator (ATG) | N/A | N/A |
| 70193 | UltraScale/UltraScale+ QDRIV IP v2.0 - Hold violations | N/A | N/A |
| 73714 | UltraScale/UltraScale+ Memory IP - Locked IPs from Earlier Versions of Vivado when Brought in to 2020.1 or Later Will Encounter Errors During Implementation or in Hardware | N/A | N/A |