Altera RapidIO MegaCore Function Bedienungsanleitung PDF herunterladen (Seite 114)

4–68 Chapter 4: Functional Description

Error Detection and Management

RapidIO MegaCore Function August 2014 Altera Corporation

User Guide

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User Guide 1
RapidIO MegaCore Function 1
Contents 3
Contents v 5
Chapter 5. Signals 6
Chapter 6. Software Interface 6
Chapter 7. Testbenches 6
Releases 10
RapidIO IP Core Features 10
Features 11
Device Family Support 12
Note to Table 1–2: 13
Interoperability Testing 14
Note to Table 1–4: 16
Notes to Table 1–7: 18
Notes to Table 1–8: 19
Installation and Licensing 20
2. Getting Started 23
Simulating IP Cores 26
Calibration Clock 27
Transceiver Settings 28
IV GX Variations 28
External Transceiver PLL 29
Specifying Constraints 30
Variations 32
Core Instances 34
Mode Selection 37
Transceiver Selection 38
Baud Rate 39
Reference Clock Frequency 39
Receive Buffer Size 39
Transmit Buffer Size 39
Enable 16-Bit Device ID Width 40
Destination ID Checking 40
Maintenance Logical Layer 41
Port Write Tx Enable 42
Port Write Rx Enable 42
Avalon-MM Master 43
Avalon-MM Slave 43
Doorbell Slave 43
Device ID 44
Vendor ID 44
Revision ID 44
Processing Element Features 45
Switch Support 45
Enable Switch Support 46
Number of Ports 46
Port Number 46
Source Operation 46
Destination Operation 46
4. Functional Description 47
Interfaces 48
Avalon System Clock 49
Reference Clock 50
Other Input Clocks 51
Clock Domains 51
Notes to Figure 4–2: 52
Notes to Table 4–2: 52
Reset for RapidIO IP Cores 53
Reset Controller 54
Clocking and Reset Structure 55
Physical Layer 56
Physical Layer Architecture 57
Receiver Transceiver 58
CRC Checking and Removal 58
Transmitter Transceiver 59
Physical Layer Receive Buffer 60
Transport Layer 65
Receiver 66
Transaction ID Ranges 67
Concentrator Register Module 69
Maintenance Module 72
Maintenance Register 74
Maintenance Slave Processor 74
Maintenance Master Processor 76
Port-Write Processor 78
Registers Location 81
Transactions 82
Notes to Table 4–8: 84
Notes to Table 4–9: 85
Note to Figure 4–22: 91
Notes to Table 4–11: 95
Notes to Table 4–12: 96
Note to Table 4–13: 96
Notes to Table 4–14: 97
Doorbell Module Block Diagram 99
Preserving Transaction Order 100
Doorbell Message Generation 101
Doorbell Message Reception 102
Note to Figure 4–30: 103
29’hb4b5959 104
CRC field is not removed 105
Note to Table 4–15: 105
Logical Layer Modules 106
Protocol Violations 108
Fatal Errors 108
Maintenance Avalon-MM Slave 109
Maintenance Avalon-MM Master 110
Port-Write Reception Module 111
Input/Output Avalon-MM Slave 111
Input/Output Avalon-MM Master 112
Note to Table 5–2: 115
5–2 Chapter 5: Signals 116
Physical Layer Signals 116
Multicast Event Signals 117
Note to Table 5–6: 118
Notes to Table 5–7: 118
Chapter 5: Signals 5–5 119
5–6 Chapter 5: Signals 120
Notes to Table 5–8: 121
5–8 Chapter 5: Signals 122
Chapter 5: Signals 5–9 123
Register-Related Signals 124
Avalon-MM Interface Signals 124
Chapter 5: Signals 5–11 125
4x variations 126
2x and 4x variations 126
Chapter 5: Signals 5–13 127
Note to Table 5–19: 128
Notes to Table 5–20: 129
5–16 Chapter 5: Signals 130
Notes to Table 5–21: 131
5–18 Chapter 5: Signals 132
6. Software Interface 133
Physical Layer Registers 136
Note to Table 6–10: 141
Note to Table 6–11: 143
Note to Table 6–12: 143
Note to Table 6–13: 144
Note to Table 6–14: 144
Note to Table 6–15: 144
Note to Table 6–16: 145
Note to Table 6–17: 145
Notes to Table 6–18: 146
Notes to Table 6–19: 147
Note to Table 6–22: 148
Note to Table 6–23: 148
Note to Table 6–24: 148
Receive Maintenance Registers 149
Transmit Port-Write Registers 150
Receive Port-Write Registers 151
Note to Table 6–45: 154
Note to Table 6–51: 156
Doorbell Message Registers 158
Note to Table 6–63: 160
7. Testbenches 163
7–2 Chapter 7: Testbenches 164
Chapter 7: Testbenches 7–3 165
7–4 Chapter 7: Testbenches 166
SWRITE Transactions 167
NWRITE_R Transactions 168
NWRITE Transactions 169
NREAD Transactions 170
Doorbell Transactions 170
Chapter 7: Testbenches 7–9 171
Port-Write Transactions 172
Chapter 7: Testbenches 7–11 173
7–12 Chapter 7: Testbenches 174
8. Qsys Design Example 175
Running Qsys 177
Adding the Master I/O BFM 181
Adding the On-Chip Memory 182
Connecting Unconnected Clocks 183
Connecting System Components 183
Generating the System 185
Simulating the System 186
A. Initialization Sequence 187
Additional Information 193
Info–2 Additional Information 194
Document Revision History 194
Additional Information Info–3 195
Info–4 Additional Information 196
Note to Table: 197
Typographic Conventions 198
Info–6 Additional Information 198

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