Cyclone® V Avalon® Memory Mapped (Avalon-MM) Interface for PCIe* Solutions User Guide

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ID 683494
Date 3/19/2020
Public
Document Table of Contents
Document Table of Contents
1. Datasheet 2. Getting Started with the Avalon‑MM Cyclone V Hard IP for PCI Express 3. Parameter Settings 4. Interfaces and Signal Descriptions 5. Registers 6. Interrupts for Endpoints 7. Error Handling A. PCI Express Protocol Stack 8. Design Implementation 9. Additional Features 10. Transceiver PHY IP Reconfiguration 11. Debugging B. Frequently Asked Questions for PCI Express C. Lane Initialization and Reversal D. Document Revision History
1. Datasheet
1.1. Avalon-MM Interface for PCIe Datasheet 1.2. Features 1.3. Release Information 1.4. Device Family Support 1.5. Configurations 1.6. Example Designs 1.7. IP Core Verification 1.8. Performance and Resource Utilization 1.9. Recommended Speed Grades 1.10. Creating a Design for PCI Express
1.7. IP Core Verification
1.7.1. Compatibility Testing Environment
2. Getting Started with the Avalon‑MM Cyclone V Hard IP for PCI Express
2.1. Running Qsys 2.2. Generating the Example Design 2.3. Running a Gate-Level Simulation 2.4. Simulating the Single DWord Design 2.5. Understanding Channel Placement Guidelines 2.6. Generating Synthesis Files 2.7. Compiling the Design in the Quartus® Prime Software 2.8. Programming a Device
3. Parameter Settings
3.1. Avalon-MM System Settings 3.2. Base Address Register (BAR) Settings 3.3. 3.4. Device Capabilities 3.5. Error Reporting 3.6. Link Capabilities 3.7. MSI and MSI-X Capabilities 3.8. Power Management 3.9. Avalon Memory‑Mapped System Settings
4. Interfaces and Signal Descriptions
4.1. 64- or 128-Bit Avalon-MM Interface to the Endpoint Application Layer 4.2. Clock Signals 4.3. Reset Signals 4.4. Hard IP Status 4.5. Interrupts for Endpoints when Multiple MSI/MSI-X Support Is Enabled 4.6. Physical Layer Interface Signals
4.1. 64- or 128-Bit Avalon-MM Interface to the Endpoint Application Layer
4.1.1. 32-Bit Non-Bursting Avalon-MM Control Register Access (CRA) Slave Signals 4.1.2. Bursting and Non-Bursting Avalon® -MM Module Signals 4.1.3. 64- or 128-Bit Bursting TX Avalon-MM Slave Signals
4.6. Physical Layer Interface Signals
4.6.1. Transceiver Reconfiguration 4.6.2. Hard IP Status Extension 4.6.3. Serial Interface Signals 4.6.4. PIPE Interface Signals 4.6.5. Test Signals
4.6.2. Hard IP Status Extension
4.6.2.1. Configuration Space Register Access 4.6.2.2. Configuration Space Register Access Timing
4.6.3. Serial Interface Signals
4.6.3.1. Physical Layout of Hard IP in Cyclone V Devices 4.6.3.2. Channel Placement in Cyclone V Devices
5. Registers
5.1. Correspondence between Configuration Space Registers and the PCIe Specification 5.2. Type 0 Configuration Space Registers 5.3. Type 1 Configuration Space Registers 5.4. PCI Express Capability Structures 5.5. Intel-Defined VSEC Registers 5.6. CvP Registers 5.7. 64- or 128-Bit Avalon-MM Bridge Register Descriptions 5.8. Programming Model for Avalon-MM Root Port 5.9. Uncorrectable Internal Error Mask Register 5.10. Uncorrectable Internal Error Status Register 5.11. Correctable Internal Error Mask Register 5.12. Correctable Internal Error Status Register
5.7. 64- or 128-Bit Avalon-MM Bridge Register Descriptions
5.7.1. Avalon-MM to PCI Express Interrupt Registers
5.7.1. Avalon-MM to PCI Express Interrupt Registers
5.7.1.1. Avalon-MM to PCI Express Interrupt Status Registers 5.7.1.2. Avalon-MM to PCI Express Interrupt Enable Registers 5.7.1.3. PCI Express Mailbox Registers 5.7.1.4. Avalon-MM-to-PCI Express Address Translation Table 5.7.1.5. PCI Express to Avalon-MM Interrupt Status and Enable Registers for Endpoints 5.7.1.6. Avalon-MM Mailbox Registers 5.7.1.7. Control Register Access (CRA) Avalon-MM Slave Port
5.8. Programming Model for Avalon-MM Root Port
5.8.1. Sending a Write TLP 5.8.2. Sending a Read TLP or Receiving a Non-Posted Completion TLP 5.8.3. Examples of Reading and Writing BAR0 Using the CRA Interface 5.8.4. PCI Express to Avalon-MM Interrupt Status and Enable Registers for Root Ports 5.8.5. Root Port TLP Data Registers
6. Interrupts for Endpoints
6.1. Enabling MSI or Legacy Interrupts 6.2. Generation of Avalon-MM Interrupts 6.3. Interrupts for Endpoints Using the Avalon-MM Interface with Multiple MSI/MSI-X Support
7. Error Handling
7.1. Physical Layer Errors 7.2. Data Link Layer Errors 7.3. Transaction Layer Errors 7.4. Error Reporting and Data Poisoning 7.5. Uncorrectable and Correctable Error Status Bits
A. PCI Express Protocol Stack
A.1. Top-Level Interfaces A.2. Data Link Layer A.3. Physical Layer A.4. 32-Bit PCI Express Avalon-MM Bridge A.5. Completer Only Single Dword Endpoint
A.1. Top-Level Interfaces
A.1.1. Avalon-MM Interface A.1.2. Clocks and Reset A.1.3. Transceiver Reconfiguration A.1.4. Interrupts A.1.5. PIPE
A.4. 32-Bit PCI Express Avalon-MM Bridge
A.4.1. Avalon‑MM Bridge TLPs A.4.2. Avalon-MM-to-PCI Express Write Requests A.4.3. Avalon-MM-to-PCI Express Upstream Read Requests A.4.4. PCI Express-to-Avalon-MM Read Completions A.4.5. PCI Express-to-Avalon-MM Downstream Write Requests A.4.6. PCI Express-to-Avalon-MM Downstream Read Requests A.4.7. Avalon-MM-to-PCI Express Read Completions A.4.8. PCI Express-to-Avalon-MM Address Translation for 32-Bit Bridge A.4.9. Minimizing BAR Sizes and the PCIe Address Space A.4.10. Avalon® -MM-to-PCI Express Address Translation Algorithm for 32-Bit Addressing
A.5. Completer Only Single Dword Endpoint
A.5.1. RX Block A.5.2. Avalon-MM RX Master Block A.5.3. TX Block A.5.4. Interrupt Handler Block
8. Design Implementation
8.1. Making Analog QSF Assignments Using the Assignment Editor 8.2. Making Pin Assignments 8.3. Recommended Reset Sequence to Avoid Link Training Issues
9. Additional Features
9.1. Configuration over Protocol (CvP) 9.2. Autonomous Mode 9.3. ECRC
9.2. Autonomous Mode
9.2.1. Enabling Autonomous Mode 9.2.2. Enabling CvP Initialization
9.3. ECRC
9.3.1. ECRC on the RX Path 9.3.2. ECRC on the TX Path
10. Transceiver PHY IP Reconfiguration
10.1. Connecting the Transceiver Reconfiguration Controller IP Core 10.2. Transceiver Reconfiguration Controller Connectivity for Designs Using CvP
11. Debugging
11.1. Hardware Bring-Up Issues 11.2. Link Training 11.3. Use Third-Party PCIe Analyzer 11.4. BIOS Enumeration Issues
D. Document Revision History
D.1. Cyclone® V Avalon® Memory Mapped (Avalon-MM) Interface for PCIe* Solutions User Guide Revision History
1. Datasheet
2. Getting Started with the Avalon‑MM Cyclone V Hard IP for PCI Express
3. Parameter Settings
4. Interfaces and Signal Descriptions
5. Registers
6. Interrupts for Endpoints
7. Error Handling
A. PCI Express Protocol Stack
8. Design Implementation
9. Additional Features
10. Transceiver PHY IP Reconfiguration
11. Debugging
B. Frequently Asked Questions for PCI Express
C. Lane Initialization and Reversal
D. Document Revision History

4. Interfaces and Signal Descriptions

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