Intel® L- and H-tile Avalon® Memory-mapped+ IP for PCI Express* User Guide

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ID 683527
Date 10/19/2021
Public
Document Table of Contents
Document Table of Contents x
1. Introduction 2. Quick Start Guide 3. Block and Interface Descriptions 4. Parameters 5. Designing with the IP Core 6. Registers 7. Design Example and Testbench A. Troubleshooting and Observing the Link B. Avalon-MM IP Variants Comparison C. Root Port BFM D. BFM Procedures and Functions E. Root Port Enumeration F. Document Revision History for Intel® L- and H-tile Avalon® Memory-mapped+ IP for PCI Express* User Guide
1. Introduction x
1.1. Features 1.2. Device Family Support 1.3. Release Information 1.4. Recommended Speed Grades 1.5. Resource Utilization 1.6. Transceiver Tiles 1.7. Channel Availability
2. Quick Start Guide x
2.1. Design Components 2.2. Directory Structure 2.3. Generating the Design Example 2.4. Simulating the Design Example 2.5. Compiling the Design Example and Programming the Device 2.6. Installing the Linux Kernel Driver 2.7. Running the Design Example Application 2.8. Ensuring the Design Example Meets Timing Requirements
3. Block and Interface Descriptions x
3.1. Block Descriptions 3.2. Interface Descriptions
3.1. Block Descriptions x
3.1.1. Tags
3.2. Interface Descriptions x
3.2.1. Avalon-MM Interface Summary 3.2.2. Clocks and Resets 3.2.3. System Interfaces
3.2.1. Avalon-MM Interface Summary x
3.2.1.1. Read Data Mover (RDDM) Interfaces 3.2.1.2. Write Data Mover (WRDM) Interfaces 3.2.1.3. Bursting Avalon-MM Slave (BAS) Interface 3.2.1.4. Bursting Avalon-MM Master (BAM) Interface
3.2.1.1. Read Data Mover (RDDM) Interfaces x
3.2.1.1.1. Read Data Mover Avalon-MM Write Master and Conduit 3.2.1.1.2. Read Data Mover Avalon-ST Descriptor Sinks 3.2.1.1.3. Read Data Mover Status Avalon-ST Source
3.2.1.2. Write Data Mover (WRDM) Interfaces x
3.2.1.2.1. Write Data Mover Avalon-MM Read Master and Conduit 3.2.1.2.2. Write Data Mover Avalon-ST Descriptor Sinks 3.2.1.2.3. Write Data Mover Status Avalon-ST Source
3.2.1.4. Bursting Avalon-MM Master (BAM) Interface x
3.2.1.4.1. PCIe Address to Avalon-MM Address Mapping
3.2.3. System Interfaces x
3.2.3.1. Serial Data Interface 3.2.3.2. PIPE Interface 3.2.3.3. Interrupts 3.2.3.4. Configuration Output Interface 3.2.3.5. Flush Requests 3.2.3.6. Reconfiguration 3.2.3.7. Hard IP Status and Link Training Conduit 3.2.3.8. Bus Master Enable (BME) Conduit 3.2.3.9. Test Conduit
3.2.3.3. Interrupts x
3.2.3.3.1. Interrupt Signals Available when the PCIe Hard IP is an Endpoint 3.2.3.3.2. MSI
3.2.3.6. Reconfiguration x
3.2.3.6.1. PCIe Hard IP Reconfiguration 3.2.3.6.2. Transceiver Reconfiguration 3.2.3.6.3. PLL Reconfiguration
4. Parameters x
4.1. Avalon-MM Settings 4.2. Base Address Registers 4.3. Device Identification Registers 4.4. PCI Express and PCI Capabilities Parameters 4.5. Configuration, Debug and Extension Options 4.6. PHY Characteristics 4.7. Example Designs
4.4. PCI Express and PCI Capabilities Parameters x
4.4.1. Device Capabilities 4.4.2. Link Capabilities 4.4.3. MSI and MSI-X Capabilities 4.4.4. Power Management 4.4.5. Vendor Specific Extended Capability (VSEC)
5. Designing with the IP Core x
5.1. Generation 5.2. Simulation 5.3. IP Core Generation Output ( Intel® Quartus® Prime Pro Edition) 5.4. Channel Layout and PLL Usage
6. Registers x
6.1. Configuration Space Registers
6.1. Configuration Space Registers x
6.1.1. Register Access Definitions 6.1.2. PCI Configuration Header Registers 6.1.3. PCI Express Capability Structures 6.1.4. Intel Defined VSEC Capability Header 6.1.5. Uncorrectable Internal Error Status Register 6.1.6. Uncorrectable Internal Error Mask Register 6.1.7. Correctable Internal Error Status Register 6.1.8. Correctable Internal Error Mask Register
6.1.4. Intel Defined VSEC Capability Header x
6.1.4.1. Intel Defined Vendor Specific Header 6.1.4.2. Intel Marker 6.1.4.3. JTAG Silicon ID 6.1.4.4. User Configurable Device and Board ID
7. Design Example and Testbench x
7.1. Overview of the Example Design 7.2. Overview of the Testbench
7.1. Overview of the Example Design x
7.1.1. Block Descriptions 7.1.2. Programming Model for the Example Design 7.1.3. DMA Operations Using the Example Design
7.1.1. Block Descriptions x
7.1.1.1. DMA Controller (DMA Example Design Only) 7.1.1.2. Traffic Generator and Checker (BAS Example Design Only) 7.1.1.3. Avalon-MM Address to PCIe Address Mapping 7.1.1.4. BAR Interpreter
7.1.1.1. DMA Controller (DMA Example Design Only) x
7.1.1.1.1. Register Set 7.1.1.1.2. Deadlock Risk and Avoidance 7.1.1.1.3. Interrupts 7.1.1.1.4. Using the DMA Controller
7.1.1.2. Traffic Generator and Checker (BAS Example Design Only) x
7.1.1.2.1. Register Set
7.1.3. DMA Operations Using the Example Design x
7.1.3.1. Read DMA Example 7.1.3.2. Write DMA Example 7.1.3.3. Using the Traffic Generator (BAS Example Design Only) 7.1.3.4. Using the Traffic Checker (BAS Example Design Only)
A. Troubleshooting and Observing the Link x
A.1. Troubleshooting A.2. PCIe Link Inspector Overview
A.1. Troubleshooting x
A.1.1. Simulation Fails to Progress Beyond Polling.Active State A.1.2. Hardware Bring-Up Issues A.1.3. Link Training A.1.4. Use Third-Party PCIe Analyzer
A.2. PCIe Link Inspector Overview x
A.2.1. PCIe* Link Inspector Hardware
A.2.1. PCIe* Link Inspector Hardware x
A.2.1.1. Enabling the PCIe* Link Inspector A.2.1.2. Launching the PCIe* Link Inspector A.2.1.3. The PCIe* Link Inspector LTSSM Monitor A.2.1.4. Accessing the Configuration Space and Transceiver Registers A.2.1.5. Additional Status Commands
A.2.1.3. The PCIe* Link Inspector LTSSM Monitor x
A.2.1.3.1. LTSSM Monitor Registers A.2.1.3.2. ltssm_save2file <file_name> A.2.1.3.3. ltssm_file2console A.2.1.3.4. ltssm_debug_check A.2.1.3.5. ltssm_display <num_states> A.2.1.3.6. ltssm_save_oldstates
A.2.1.4. Accessing the Configuration Space and Transceiver Registers x
A.2.1.4.1. PCIe* Link Inspector Commands A.2.1.4.2. NPDME PLL and Channel Commands A.2.1.4.3. Register Address Map
A.2.1.5. Additional Status Commands x
A.2.1.5.1. Displaying PLL Lock and Calibration Status Registers
C. Root Port BFM x
C.1. Root Port BFM Overview C.2. Issuing Read and Write Transactions to the Application Layer C.3. Configuration of Root Port and Endpoint C.4. Configuration Space Bus and Device Numbering C.5. BFM Memory Map
D. BFM Procedures and Functions x
D.1. ebfm_barwr Procedure D.2. ebfm_barwr_imm Procedure D.3. ebfm_barrd_wait Procedure D.4. ebfm_barrd_nowt Procedure D.5. ebfm_cfgwr_imm_wait Procedure D.6. ebfm_cfgwr_imm_nowt Procedure D.7. ebfm_cfgrd_wait Procedure D.8. ebfm_cfgrd_nowt Procedure D.9. BFM Configuration Procedures D.10. BFM Shared Memory Access Procedures D.11. BFM Log and Message Procedures D.12. Verilog HDL Formatting Functions
D.9. BFM Configuration Procedures x
D.9.1. ebfm_cfg_rp_ep Procedure D.9.2. ebfm_cfg_decode_bar Procedure
D.10. BFM Shared Memory Access Procedures x
D.10.1. Shared Memory Constants D.10.2. shmem_write Procedure D.10.3. shmem_read Function D.10.4. shmem_display Verilog HDL Function D.10.5. shmem_fill Procedure D.10.6. shmem_chk_ok Function
D.11. BFM Log and Message Procedures x
D.11.1. ebfm_display Verilog HDL Function D.11.2. ebfm_log_stop_sim Verilog HDL Function D.11.3. ebfm_log_set_suppressed_msg_mask Task D.11.4. ebfm_log_set_stop_on_msg_mask Verilog HDL Task D.11.5. ebfm_log_open Verilog HDL Function D.11.6. ebfm_log_close Verilog HDL Function
D.12. Verilog HDL Formatting Functions x
D.12.1. himage1 D.12.2. himage2 D.12.3. himage4 D.12.4. himage8 D.12.5. himage16 D.12.6. dimage1 D.12.7. dimage2 D.12.8. dimage3 D.12.9. dimage4 D.12.10. dimage5 D.12.11. dimage6 D.12.12. dimage7
1. Introduction
2. Quick Start Guide
3. Block and Interface Descriptions
4. Parameters
5. Designing with the IP Core
6. Registers
7. Design Example and Testbench
A. Troubleshooting and Observing the Link
B. Avalon-MM IP Variants Comparison
C. Root Port BFM
D. BFM Procedures and Functions
E. Root Port Enumeration
F. Document Revision History for Intel® L- and H-tile Avalon® Memory-mapped+ IP for PCI Express* User Guide

3.2.3.8. Bus Master Enable (BME) Conduit

Table 32.  BME Conduit Signals

Signal Name

Direction

Description

bus_master_enable_o[3:0]

Output

 Indicate the status of the bus_master_enable bit (i.e bit 2) in the PCI command register. This bit specifies if a function is capable of issuing Memory and IO Read/Write requests. Refer to the PCIe Specifications for more details.
  • bus_master_enable_o[0] corresponds to function 0.
  • bus_master_enable_o[1] corresponds to function 1.
  • bus_master_enable_o[2] corresponds to function 2.
  • bus_master_enable_o[3] corresponds to function 3.
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