Cyclone® V Hard Processor System Technical Reference Manual
                    
                        ID
                        683126
                    
                
                
                    Date
                    12/03/2024
                
                
                    Public
                
            
                
                    
                    
                        1. Cyclone® V Hard Processor System Technical Reference Manual Revision History
                    
                
                    
                        2. Introduction to the Hard Processor System
                    
                    
                
                    
                        3. Clock Manager
                    
                    
                
                    
                        4. Reset Manager
                    
                    
                
                    
                        5. FPGA Manager
                    
                    
                
                    
                        6. System Manager
                    
                    
                
                    
                        7. Scan Manager
                    
                    
                
                    
                        8. System Interconnect
                    
                    
                
                    
                        9. HPS-FPGA Bridges
                    
                    
                
                    
                        10. Cortex®-A9 Microprocessor Unit Subsystem
                    
                    
                
                    
                        11. CoreSight* Debug and Trace
                    
                    
                
                    
                        12. SDRAM Controller Subsystem
                    
                    
                
                    
                        13. On-Chip Memory
                    
                    
                
                    
                        14. NAND Flash Controller
                    
                    
                
                    
                        15. SD/MMC Controller
                    
                    
                
                    
                        16. Quad SPI Flash Controller
                    
                    
                
                    
                        17. DMA Controller
                    
                    
                
                    
                        18. Ethernet Media Access Controller
                    
                    
                
                    
                        19. USB 2.0 OTG Controller
                    
                    
                
                    
                        20. SPI Controller
                    
                    
                
                    
                        21. I2C Controller
                    
                    
                
                    
                        22. UART Controller
                    
                    
                
                    
                        23. General-Purpose I/O Interface
                    
                    
                
                    
                        24. Timer
                    
                    
                
                    
                        25. Watchdog Timer
                    
                    
                
                    
                        26. CAN Controller
                    
                    
                
                    
                        27. Introduction to the HPS Component
                    
                    
                
                    
                        28. Instantiating the HPS Component
                    
                    
                
                    
                        29. HPS Component Interfaces
                    
                    
                
                    
                        30. Simulating the HPS Component
                    
                    
                
                    
                        31. Register Address Map for Cyclone V HPS
                    
                    
                
                    
                        A. Booting and Configuration
                    
                    
                
            
        
                                    
                                    
                                        
                                        
                                            8.3.1. Master to Slave Connectivity Matrix
                                        
                                        
                                    
                                        
                                            8.3.2. System Interconnect Address Spaces
                                        
                                        
                                        
                                    
                                        
                                        
                                            8.3.3. Master Caching and Buffering Overrides
                                        
                                        
                                    
                                        
                                            8.3.4. Security
                                        
                                        
                                        
                                    
                                        
                                        
                                            8.3.5. Configuring the Quality of Service Logic
                                        
                                        
                                    
                                        
                                            8.3.6. Cyclic Dependency Avoidance Schemes
                                        
                                        
                                        
                                    
                                        
                                        
                                            8.3.7. System Interconnect Master Properties
                                        
                                        
                                    
                                        
                                        
                                            8.3.8. Interconnect Slave Properties
                                        
                                        
                                    
                                        
                                            8.3.9. Upsizing Data Width Function
                                        
                                        
                                        
                                    
                                        
                                            8.3.10. Downsizing Data Width Function
                                        
                                        
                                        
                                    
                                        
                                        
                                            8.3.11. Lock Support
                                        
                                        
                                    
                                        
                                            8.3.12. FIFO Buffers and Clock Crossing
                                        
                                        
                                        
                                    
                                        
                                        
                                            8.3.13. System Interconnect Resets
                                        
                                        
                                    
                                
                            
                                    
                                    
                                        
                                        
                                            10.3.1. Functional Description
                                        
                                        
                                    
                                        
                                        
                                            10.3.2. Implementation Details
                                        
                                        
                                    
                                        
                                            10.3.3. Cortex®-A9 Processor
                                        
                                        
                                        
                                    
                                        
                                        
                                            10.3.4. Interactive Debugging Features
                                        
                                        
                                    
                                        
                                            10.3.5. L1 Caches
                                        
                                        
                                        
                                    
                                        
                                        
                                            10.3.6. Preload Engine
                                        
                                        
                                    
                                        
                                        
                                            10.3.7. Floating Point Unit
                                        
                                        
                                    
                                        
                                            10.3.8. NEON* Multimedia Processing Engine
                                        
                                        
                                        
                                    
                                        
                                            10.3.9. Memory Management Unit
                                        
                                        
                                        
                                    
                                        
                                        
                                            10.3.10. Performance Monitoring Unit
                                        
                                        
                                    
                                        
                                            10.3.11. Arm* Cortex* -A9 MPCore Timers
                                        
                                        
                                        
                                    
                                        
                                            10.3.12. Generic Interrupt Controller
                                        
                                        
                                        
                                    
                                        
                                            10.3.13. Global Timer
                                        
                                        
                                        
                                    
                                        
                                            10.3.14. Snoop Control Unit
                                        
                                        
                                        
                                    
                                        
                                            10.3.15. Accelerator Coherency Port
                                        
                                        
                                        
                                    
                                
                            
                        
                        
                            
                            
                                11.1. Features of CoreSight* Debug and Trace
                            
                        
                            
                            
                                11.2. Arm* CoreSight* Documentation
                            
                        
                            
                            
                                11.3. CoreSight Debug and Trace Block Diagram and System Integration
                            
                        
                            
                                11.4. Functional Description of CoreSight Debug and Trace
                            
                            
                        
                            
                                11.5. CoreSight* Debug and Trace Programming Model
                            
                            
                        
                            
                            
                                11.6. CoreSight Debug and Trace Address Map and Register Definitions
                            
                        
                    
                
                                    
                                    
                                        
                                        
                                            11.4.1. Debug Access Port
                                        
                                        
                                    
                                        
                                        
                                            11.4.2. System Trace Macrocell
                                        
                                        
                                    
                                        
                                        
                                            11.4.3. Trace Funnel
                                        
                                        
                                    
                                        
                                            11.4.4. CoreSight Trace Memory Controller
                                        
                                        
                                        
                                    
                                        
                                        
                                            11.4.5. AMBA* Trace Bus Replicator
                                        
                                        
                                    
                                        
                                        
                                            11.4.6. Trace Port Interface Unit
                                        
                                        
                                    
                                        
                                            11.4.7. Embedded Cross Trigger System
                                        
                                        
                                        
                                    
                                        
                                        
                                            11.4.8. Program Trace Macrocell
                                        
                                        
                                    
                                        
                                        
                                            11.4.9. HPS Debug APB* Interface
                                        
                                        
                                    
                                        
                                            11.4.10. FPGA Interface
                                        
                                        
                                        
                                    
                                        
                                        
                                            11.4.11. Debug Clocks
                                        
                                        
                                    
                                        
                                        
                                            11.4.12. Debug Resets
                                        
                                        
                                    
                                
                            
                        
                        
                            
                            
                                12.1. Features of the SDRAM Controller Subsystem
                            
                        
                            
                            
                                12.2. SDRAM Controller Subsystem Block Diagram
                            
                        
                            
                            
                                12.3. SDRAM Controller Memory Options
                            
                        
                            
                                12.4. SDRAM Controller Subsystem Interfaces
                            
                            
                        
                            
                                12.5. Memory Controller Architecture
                            
                            
                        
                            
                                12.6. Functional Description of the SDRAM Controller Subsystem
                            
                            
                        
                            
                            
                                12.7. SDRAM Power Management
                            
                        
                            
                                12.8. DDR PHY
                            
                            
                        
                            
                            
                                12.9. Clocks
                            
                        
                            
                                12.10. Resets
                            
                            
                        
                            
                            
                                12.11. Port Mappings
                            
                        
                            
                                12.12. Initialization
                            
                            
                        
                            
                                12.13. SDRAM Controller Subsystem Programming Model
                            
                            
                        
                            
                                12.14. Debugging HPS SDRAM in the Preloader
                            
                            
                        
                            
                            
                                12.15. SDRAM Controller Address Map and Register Definitions
                            
                        
                    
                
                        
                        
                            
                            
                                14.1. NAND Flash Controller Features
                            
                        
                            
                            
                                14.2. NAND Flash Controller Block Diagram and System Integration
                            
                        
                            
                            
                                14.3. NAND Flash Controller Signal Descriptions
                            
                        
                            
                                14.4. Functional Description of the NAND Flash Controller
                            
                            
                        
                            
                            
                                14.5. NAND Flash Controller Programming Model
                            
                        
                            
                            
                                14.6. NAND Flash Controller Address Map and Register Definitions
                            
                        
                    
                
                        
                        
                            
                                15.1. Features of the SD/MMC Controller
                            
                            
                        
                            
                            
                                15.2. SD/MMC Controller Block Diagram and System Integration
                            
                        
                            
                            
                                15.3. SD/MMC Controller Signal Description
                            
                        
                            
                            
                                15.4. Functional Description of the SD/MMC Controller
                            
                        
                            
                            
                                15.5. SD/MMC Controller Programming Model
                            
                        
                            
                            
                                15.6. SD/MMC Controller Address Map and Register Definitions
                            
                        
                    
                
                        
                        
                            
                            
                                16.1. Features of the Quad SPI Flash Controller
                            
                        
                            
                            
                                16.2. Quad SPI Flash Controller Block Diagram and System Integration
                            
                        
                            
                            
                                16.3. Interface Signals
                            
                        
                            
                                16.4. Functional Description of the Quad SPI Flash Controller
                            
                            
                        
                            
                                16.5. Quad SPI Flash Controller Programming Model
                            
                            
                        
                            
                            
                                16.6. Quad SPI Flash Controller Address Map and Register Definitions
                            
                        
                    
                
                                    
                                    
                                        
                                        
                                            16.4.1. Overview
                                        
                                        
                                    
                                        
                                            16.4.2. Data Slave Interface
                                        
                                        
                                        
                                    
                                        
                                        
                                            16.4.3. SPI Legacy Mode
                                        
                                        
                                    
                                        
                                            16.4.4. Register Slave Interface
                                        
                                        
                                        
                                    
                                        
                                        
                                            16.4.5. Local Memory Buffer
                                        
                                        
                                    
                                        
                                        
                                            16.4.6. DMA Peripheral Request Controller
                                        
                                        
                                    
                                        
                                        
                                            16.4.7. Arbitration between Direct/Indirect Access Controller and STIG
                                        
                                        
                                    
                                        
                                            16.4.8. Configuring the Flash Device
                                        
                                        
                                        
                                    
                                        
                                        
                                            16.4.9. XIP Mode
                                        
                                        
                                    
                                        
                                        
                                            16.4.10. Write Protection
                                        
                                        
                                    
                                        
                                        
                                            16.4.11. Data Slave Sequential Access Detection
                                        
                                        
                                    
                                        
                                        
                                            16.4.12. Clocks
                                        
                                        
                                    
                                        
                                            16.4.13. Resets
                                        
                                        
                                        
                                    
                                        
                                        
                                            16.4.14. Interrupts
                                        
                                        
                                    
                                
                            
                                    
                                    
                                        
                                        
                                            18.6.1. System Level EMAC Configuration Registers
                                        
                                        
                                    
                                        
                                        
                                            18.6.2. EMAC FPGA Interface Initialization
                                        
                                        
                                    
                                        
                                        
                                            18.6.3. EMAC HPS Interface Initialization
                                        
                                        
                                    
                                        
                                        
                                            18.6.4. DMA Initialization
                                        
                                        
                                    
                                        
                                        
                                            18.6.5. EMAC Initialization and Configuration
                                        
                                        
                                    
                                        
                                        
                                            18.6.6. Performing Normal Receive and Transmit Operation
                                        
                                        
                                    
                                        
                                        
                                            18.6.7. Stopping and Starting Transmission
                                        
                                        
                                    
                                        
                                            18.6.8. Programming Guidelines for Energy Efficient Ethernet
                                        
                                        
                                        
                                    
                                        
                                            18.6.9. Programming Guidelines for Flexible Pulse-Per-Second (PPS) Output
                                        
                                        
                                        
                                    
                                
                            
                        
                        
                            
                                19.1. Features of the USB OTG Controller
                            
                            
                        
                            
                            
                                19.2. USB OTG Controller Block Diagram and System Integration
                            
                        
                            
                            
                                19.3. USB 2.0 ULPI PHY Signal Description
                            
                        
                            
                                19.4. Functional Description of the USB OTG Controller
                            
                            
                        
                            
                                19.5. USB OTG Controller Programming Model
                            
                            
                        
                            
                                19.6. USB 2.0 OTG Controller Address Map and Register Definitions
                            
                            
                        
                    
                
                                                            
                                                            
                                                                
                                                                
                                                                    26.3.1.1.1. Message Valid (MsgVal)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.2. New Data (NewDat)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.3. Message Lost (MsgLst)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.4. Interrupt Pending (IntPnd)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.5. Transmit Interrupt Enable (TxIE)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.6. Receive Interrupt Enable (RxIE)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.7. Remote Enable (RmtEn)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.8. Transmit Request (TxRqst)
                                                                
                                                                
                                                            
                                                                
                                                                
                                                                    26.3.1.1.9. End of Block (EoB)
                                                                
                                                                
                                                            
                                                        
                                                    
                        
                        
                            
                                30.1. Simulation Flows
                            
                            
                        
                            
                                30.2. Clock and Reset Interfaces
                            
                            
                        
                            
                            
                                30.3. FPGA-to-HPS AXI Slave Interface
                            
                        
                            
                            
                                30.4. HPS-to-FPGA AXI Master Interface
                            
                        
                            
                            
                                30.5. Lightweight HPS-to-FPGA AXI Master Interface
                            
                        
                            
                                30.6. FPGA-to-HPS SDRAM Interface
                            
                            
                        
                            
                            
                                30.7. HPS-to-FPGA MPU Event Interface
                            
                        
                            
                            
                                30.8. Interrupts Interface
                            
                        
                            
                            
                                30.9. HPS-to-FPGA Debug APB* Interface
                            
                        
                            
                            
                                30.10. FPGA-to-HPS System Trace Macrocell Hardware Event Interface
                            
                        
                            
                            
                                30.11. HPS-to-FPGA Cross-Trigger Interface
                            
                        
                            
                            
                                30.12. HPS-to-FPGA Trace Port Interface
                            
                        
                            
                            
                                30.13. FPGA-to-HPS DMA Handshake Interface
                            
                        
                            
                            
                                30.14. Boot from FPGA Interface
                            
                        
                            
                            
                                30.15. General Purpose Input Interface
                            
                        
                    
                5.3.8. Reset
 The FPGA manager has the fpga_manager_rst_n reset signal. The reset manager drives this signal to the FPGA manager on a cold or warm reset. All distributed reset signals in the FPGA manager are asserted asynchronously at the same time and deasserted synchronously to their associated clocks.  
 
 
 
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