Arria® 10 or Cyclone® 10 GX Avalon® Memory-Mapped (Avalon-MM) DMA Interface for PCI Express* Solutions User Guide

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ID 683425
Date 9/10/2024
Public
Document Table of Contents
Document Table of Contents x
1. Datasheet 2. Getting Started with the Avalon-MM DMA 3. Parameter Settings 4. Physical Layout 5. IP Core Interfaces 6. Registers 7. Reset and Clocks 8. Error Handling 9. PCI Express Protocol Stack 10. Arria® 10 or Cyclone® 10 GX Avalon-MM DMA for PCI Express 11. Design Implementation A. Transaction Layer Packet (TLP) Header Formats B. Arria® 10 or Cyclone® 10 GX Avalon-MM DMA Interface for PCIe Solutions User Guide Archive C. Document Revision History
1. Datasheet x
1.1. Arria® 10 or Cyclone® 10 GX Avalon-MM DMA Interface for PCIe* Datasheet 1.2. Features 1.3. Comparison of Avalon-ST, Avalon-MM and Avalon-MM with DMA Interfaces 1.4. Release Information 1.5. Device Family Support 1.6. Design Examples 1.7. IP Core Verification 1.8. Resource Utilization 1.9. Recommended Speed Grades 1.10. Creating a Design for PCI Express
1.7. IP Core Verification x
1.7.1. Compatibility Testing Environment
2. Getting Started with the Avalon-MM DMA x
2.1. Understanding the Avalon-MM DMA Ports 2.2. Generating the Testbench 2.3. Simulating the Example Design in ModelSim* 2.4. Running a Gate-Level Simulation 2.5. Generating Synthesis Files 2.6. Compiling the Design 2.7. Creating a Quartus® Prime Project
2.2. Generating the Testbench x
2.2.1. Understanding the Simulation Generated Files 2.2.2. Understanding Simulation Log File Generation
3. Parameter Settings x
3.1. Parameters 3.2. Arria® 10 or Cyclone® 10 GX Avalon-MM Settings 3.3. Base Address Register (BAR) Settings 3.4. Device Identification Registers 3.5. PCI Express and PCI Capabilities Parameters 3.6. Configuration, Debug, and Extension Options 3.7. PHY Characteristics 3.8. Example Designs
3.1. Parameters x
3.1.1. RX Buffer Allocation Selections Available by Interface Type
3.5. PCI Express and PCI Capabilities Parameters x
3.5.1. Device Capabilities 3.5.2. Error Reporting 3.5.3. Link Capabilities 3.5.4. MSI and MSI-X Capabilities 3.5.5. Slot Capabilities 3.5.6. Power Management 3.5.7. Vendor Specific Extended Capability (VSEC)
4. Physical Layout x
4.1. Hard IP Block Placement In Cyclone® 10 GX Devices 4.2. Hard IP Block Placement In Arria® 10 Devices 4.3. Channel and Pin Placement for the Gen1, Gen2, and Gen3 Data Rates 4.4. Channel Placement and fPLL and ATX PLL Usage for the Gen3 Data Rate 4.5. PCI Express Gen3 Bank Usage Restrictions
5. IP Core Interfaces x
5.1. Arria® 10 or Cyclone® 10 GX DMA Avalon-MM DMA Interface to the Application Layer 5.2. Clock Signals 5.3. Reset, Status, and Link Training Signals 5.4. MSI Interrupts for Endpoints 5.5. Hard IP Reconfiguration Interface 5.6. Physical Layer Interface Signals 5.7. Test Signals 5.8. Arria® 10 Development Kit Conduit Interface
5.1. Arria® 10 or Cyclone® 10 GX DMA Avalon-MM DMA Interface to the Application Layer x
5.1.1. Avalon-MM DMA Interfaces when Descriptor Controller Is Internally Instantiated 5.1.2. Read Data Mover 5.1.3. Write DMA Avalon-MM Master Port 5.1.4. RX Master Module 5.1.5. Non-Bursing Slave Module 5.1.6. 32-Bit Control Register Access (CRA) Slave Signals 5.1.7. Avalon-ST Descriptor Control Interface when Instantiated Separately 5.1.8. Descriptor Controller Interfaces when Instantiated Internally
5.1.7. Avalon-ST Descriptor Control Interface when Instantiated Separately x
5.1.7.1. Avalon-ST Descriptor Status Interface 5.1.7.2. Avalon® -ST Descriptor Status Sources
5.1.8. Descriptor Controller Interfaces when Instantiated Internally x
5.1.8.1. Read Descriptor Controller Avalon-MM Master interface 5.1.8.2. Write Descriptor Controller Avalon-MM Master Interface 5.1.8.3. Read Descriptor Table Avalon-MM Slave Interface 5.1.8.4. Write Descriptor Table Avalon-MM Slave Interface
5.6. Physical Layer Interface Signals x
5.6.1. Serial Data Signals 5.6.2. PIPE Interface Signals
6. Registers x
6.1. Correspondence between Configuration Space Registers and the PCIe Specification 6.2. Type 0 Configuration Space Registers 6.3. Type 1 Configuration Space Registers 6.4. PCI Express Capability Structures 6.5. Intel-Defined VSEC Registers 6.6. Advanced Error Reporting Capability 6.7. DMA Descriptor Controller Registers 6.8. Control Register Access (CRA) Avalon-MM Slave Port
6.5. Intel-Defined VSEC Registers x
6.5.1. CvP Registers
6.6. Advanced Error Reporting Capability x
6.6.1. Uncorrectable Internal Error Mask Register 6.6.2. Uncorrectable Internal Error Status Register 6.6.3. Correctable Internal Error Mask Register 6.6.4. Correctable Internal Error Status Register
6.7. DMA Descriptor Controller Registers x
6.7.1. Read DMA Descriptor Controller Registers 6.7.2. Write DMA Descriptor Controller Registers 6.7.3. Read DMA and Write DMA Descriptor Format 6.7.4. Read DMA Example 6.7.5. Software Program for Simultaneous Read and Write DMA
7. Reset and Clocks x
7.1. Reset Sequence for Hard IP for PCI Express IP Core and Application Layer 7.2. Clocks
7.2. Clocks x
7.2.1. Clock Domains 7.2.2. Clock Summary
7.2.1. Clock Domains x
7.2.1.1. coreclkout_hip 7.2.1.2. pld_clk
8. Error Handling x
8.1. Physical Layer Errors 8.2. Data Link Layer Errors 8.3. Transaction Layer Errors 8.4. Error Reporting and Data Poisoning 8.5. Uncorrectable and Correctable Error Status Bits
9. PCI Express Protocol Stack x
9.1. Top-Level Interfaces 9.2. Data Link Layer 9.3. Physical Layer
9.1. Top-Level Interfaces x
9.1.1. Avalon-MM DMA Interface 9.1.2. Clocks and Reset 9.1.3. Interrupts 9.1.4. PIPE
10. Arria® 10 or Cyclone® 10 GX Avalon-MM DMA for PCI Express x
10.1. Understanding the Internal DMA Descriptor Controller 10.2. Understanding the External DMA Descriptor Controller
11. Design Implementation x
11.1. Making Pin Assignments to Assign I/O Standard to Serial Data Pins 11.2. Recommended Reset Sequence to Avoid Link Training Issues 11.3. SDC Timing Constraints 11.4. Warnings Encountered When Using Narrow Avalon-MM Interfaces
A. Transaction Layer Packet (TLP) Header Formats x
A.1. TLP Packet Formats without Data Payload A.2. TLP Packet Formats with Data Payload
C. Document Revision History x
C.1. Document Revision History for the Arria® 10 or Cyclone® 10 GX Avalon® Memory Mapped (Avalon-MM) DMA Interface for PCIe* Solutions User Guide
1. Datasheet
2. Getting Started with the Avalon-MM DMA
3. Parameter Settings
4. Physical Layout
5. IP Core Interfaces
6. Registers
7. Reset and Clocks
8. Error Handling
9. PCI Express Protocol Stack
10. Arria® 10 or Cyclone® 10 GX Avalon-MM DMA for PCI Express
11. Design Implementation
A. Transaction Layer Packet (TLP) Header Formats
B. Arria® 10 or Cyclone® 10 GX Avalon-MM DMA Interface for PCIe Solutions User Guide Archive
C. Document Revision History

3.7. PHY Characteristics

Table 29.  PHY Characteristics

Parameter

Value

Description

Gen2 TX de-emphasis

3.5dB

6dB

Specifies the transmit de-emphasis for Gen2. Intel recommends the following settings:

  • 3.5dB: Short PCB traces
  • 6.0dB: Long PCB traces.
Requested equalization far-end TX preset Preset0-Preset9 Specifies the requested TX preset for Phase 2 and 3 far-end transmitter. The default value Preset8 provides the best signal quality for most designs.
Enable soft DFE controller IP

On

Off

When On, the PCIe Hard IP core includes a decision feedback equalization (DFE) soft controller in the FPGA fabric to improve the bit error rate (BER) margin. The default for this option is Off because the DFE controller is typically not required. However, short reflective links may benefit from this soft DFE controller IP.

This parameter is available only for Gen3 mode. It is not supported when CvP or autonomous modes are enabled.

Enable RX-polarity inversion in soft logic

On

Off

This parameter mitigates the following RX-polarity inversion problem. When the Arria® 10 or Cyclone® 10 GX Hard IP core receives TS2 training sequences during the Polling.Config state, when you have not enabled this parameter, automatic lane polarity inversion is not guaranteed. The link may train to a smaller than expected link width or may not train successfully. This problem can affect configurations with any PCIe* speed and width. When you include this parameter, polarity inversion is available for all configurations except Gen1 x1. This fix does not support CvP or autonomous mode.

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