User guide
Table Of Contents
- Cyclone V Hard IP for PCI Express User Guide
- Contents
- 1. Datasheet
- 2. Getting Started with the Cyclone V Hard IP for PCI Express
- 3. Getting Started with the Avalon-MM Cyclone Hard IP for PCI Express
- Running Qsys
- Customizing the Cyclone VHard IP for PCI Express IP Core
- Adding the Remaining Components to the Qsys System
- Completing the Connections in Qsys
- Specifying Clocks and Interrupts
- Specifying Exported Interfaces
- Specifying Address Assignments
- Simulating the Example Design
- Simulating the Single DWord Design
- Understanding Channel Placement Guidelines
- Adding Synopsis Design Constraints
- Creating a Quartus II Project
- Compiling the Design
- Programming a Device
- 4. Parameter Settings for the Cyclone V Hard IP for PCI Express
- 5. Parameter Settings for the Avalon-MM Cyclone V Hard IP for PCI Express
- 6. IP Core Architecture
- Key Interfaces
- Protocol Layers
- Multi-Function Support
- PCI Express Avalon-MM Bridge
- Avalon-MM Bridge TLPs
- Avalon-MM-to-PCI Express Write Requests
- Avalon-MM-to-PCI Express Upstream Read Requests
- PCI Express-to-Avalon-MM Read Completions
- PCI Express-to-Avalon-MM Downstream Write Requests
- PCI Express-to-Avalon-MM Downstream Read Requests
- Avalon-MM-to-PCI Express Read Completions
- PCI Express-to-Avalon-MM Address Translation for Endpoints
- Minimizing BAR Sizes and the PCIe Address Space
- Avalon-MM-to-PCI Express Address Translation Algorithm
- Single DWord Completer Endpoint
- 7. IP Core Interfaces
- Cyclone V Hard IP for PCI Express
- Avalon-MM Hard IP for PCI Express
- Physical Layer Interface Signals
- Test Signals
- 8. Register Descriptions
- Configuration Space Register Content
- Altera-Defined Vendor Specific Extended Capability (VSEC)
- PCI Express Avalon-MM Bridge Control Register Access Content
- Avalon-MM to PCI Express Interrupt Registers
- PCI Express Mailbox Registers
- Avalon-MM-to-PCI Express Address Translation Table
- Root Port TLP Data Registers
- Programming Model for Avalon-MM Root Port
- PCI Express to Avalon-MM Interrupt Status and Enable Registers for Root Ports
- PCI Express to Avalon-MM Interrupt Status and Enable Registers for Endpoints
- Avalon-MM Mailbox Registers
- Correspondence between Configuration Space Registers and the PCIe Spec 2.1
- 9. Reset and Clocks
- 10. Transaction Layer Protocol (TLP) Details
- 11. Interrupts
- Interrupts for Endpoints Using the Avalon-ST Application Interface
- Interrupts for Root Ports Using the Avalon-ST Interface to the Application Layer
- Interrupts for Endpoints Using the Avalon-MM Interface to the Application Layer
- Interrupts for End Points Using the Avalon-MM Interface with Multiple MSI/MSI-X Support
- 12. Optional Features
- 13. Flow Control
- 14. Error Handling
- 15. Transceiver PHY IP Reconfiguration
- 16. SDC Timing Constraints
- 17. Testbench and Design Example
- Endpoint Testbench
- Root Port Testbench
- Chaining DMA Design Examples
- Test Driver Module
- Root Port Design Example
- Root Port BFM
- BFM Procedures and Functions
- 18. Debugging
- A. Transaction Layer Packet (TLP) Header Formats
- Additional Information

Chapter 8: Register Descriptions 8–23
Correspondence between Configuration Space Registers and the PCIe Spec 2.1
December 2013 Altera Corporation Cyclone V Hard IP for PCI Express
User Guide
0x050:0x05C MSI Capability Structure MSI and MSI-X Capability Structures
0x068:0x070 MSI Capability Structure MSI and MSI-X Capability Structures
0x070:0x074 Reserved
0x078:0x07C Power Management Capability Structure PCI Power Management Capability Structure
0x080:0x0B8 PCI Express Capability Structure PCI Express Capability Structure
0x080:0x0B8 PCI Express Capability Structure PCI Express Capability Structure
0x0B8:0x0FC Reserved
0x094:0x0FF Root Port
0x100:0x16C Virtual Channel Capability Structure (Reserved) Virtual Channel Capability
0x170:0x17C Reserved
0x180:0x1FC Virtual channel arbitration table (Reserved) VC Arbitration Table
0x200:0x23C Port VC0 arbitration table (Reserved) Port Arbitration Table
0x240:0x27C Port VC1 arbitration table (Reserved) Port Arbitration Table
0x280:0x2BC Port VC2 arbitration table (Reserved) Port Arbitration Table
0x2C0:0x2FC Port VC3 arbitration table (Reserved) Port Arbitration Table
0x300:0x33C Port VC4 arbitration table (Reserved) Port Arbitration Table
0x340:0x37C Port VC5 arbitration table (Reserved) Port Arbitration Table
0x380:0x3BC Port VC6 arbitration table (Reserved) Port Arbitration Table
0x3C0:0x3FC Port VC7 arbitration table (Reserved) Port Arbitration Table
0x400:0x7FC Reserved PCIe spec corresponding section name
0x800:0x834 Advanced Error Reporting AER (optional) Advanced Error Reporting Capability
0x838:0xFFF Reserved
Table 6-2. PCI Type 0 Configuration Space Header (Endpoints), Rev2.1
0x000 Device ID Vendor ID Type 0 Configuration Space Header
0x004 Status Command Type 0 Configuration Space Header
0x008 Class Code Revision ID Type 0 Configuration Space Header
0x00C
BIST Header Type Master Latency Time Cache Line
Size
Type 0 Configuration Space Header
0x010 Base Address 0 Base Address Registers (Offset 10h - 24h)
0x014 Base Address 1 Base Address Registers (Offset 10h - 24h)
0x018 Base Address 2 Base Address Registers (Offset 10h - 24h)
0x01C Base Address 3 Base Address Registers (Offset 10h - 24h)
0x020 Base Address 4 Base Address Registers (Offset 10h - 24h)
0x024 Base Address 5 Base Address Registers (Offset 10h - 24h)
0x028 Reserved Type 0 Configuration Space Header
0x02C Subsystem Device ID Subsystem Vendor ID Type 0 Configuration Space Header
0x030 Expansion ROM base address Type 0 Configuration Space Header
0x034 Reserved Capabilities PTR Type 0 Configuration Space Header
0x038 Reserved Type 0 Configuration Space Header
0x03C Max_Lat Min_Gnt Interrupt Pin Interrupt Line Type 0 Configuration Space Header
Table 8–39. Correspondence Configuration Space Registers and PCIe Base Specification Rev. 2.1 (Part 2 of 4)
Byte Address Hard IP Configuration Space Register Corresponding Section in PCIe Specification