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DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE
User's Guide
AMX DESIGN XPRESS V 1.5 - PROGRAMMER GUIDE User's Guide Page 194
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10–6
Chapter 10:
Transaction Laye
r Protocol (TLP) Details
Receive Buffer Reordering
Cyclone V Hard IP for PCI Express
December 2013
Altera Corporation
User Guide
1
...
193
194
195
...
288
User Guide
1
Contents
3
Chapter 7. IP Core Interfaces
4
Chapter 9. Reset and Clocks
5
Chapter 18. Debugging
8
1. Datasheet
9
1–2 Chapter 1: Datasheet
10
Features
10
Notes to Table 1–2:
11
Release Information
12
Device Family Support
12
Configurations
12
Debug Features
13
IP Core Verification
14
Recommended Speed Grades
15
1–8 Chapter 1: Datasheet
16
Hard IP for PCI Express
17
Qsys Design Flow
25
Generating the Testbench
26
Simulating the Example Design
27
Modifying the Example Design
34
Running Qsys
36
Table 3–5
38
On Chip r
40
Direct BFM’s shared memory
47
{*reconfig_xcvr_clk*}
50
Compiling the Design
51
Programming a Device
51
System Settings
54
Port Functions
55
Error Reporting
57
31 19 18 17 16 15 14
58
Power Management
59
Legacy Interrupt
63
Base Address Registers
66
PCI Express/PCI Capabilities
67
Header
68
6. IP Core Architecture
75
Avalon-ST Interface
77
RX Datapath
77
TX Datapath
77
Altera FPGA
77
Clocks and Reset
78
Interrupts
79
Transaction Layer
79
Protocol Layers
80
Configuration Space
81
Data Link Layer
81
Figure 6–4. Data Link Layer
82
Physical Layer
83
Figure 6–5. Physical Layer
84
Multi-Function Support
86
PCI Express Avalon-MM Bridge
86
Avalon-MM Bridge TLPs
88
Figure 6–9. Poor Address Map
93
RX Block
97
Avalon-MM RX Master Block
97
TX Block
98
Interrupt Handler Block
98
7. IP Core Interfaces
99
Note to Table 7–1:
100
RX Port
102
Avalon-ST RX Interface
104
Note to Figure 7–8:
109
Avalon-ST TX Interface
114
Note to Table 7–4:
117
ECRC Forwarding
122
Clock Signals
122
Reset Signals
123
and the LTSSM L0 state
125
ECC Error Signals
126
Interrupts for Endpoints
126
Interrupts for Root Ports
127
Completion Side Band Signals
127
Specification, Rev. 2.1
129
D E F 0 1 2 3
132
Notes to Table 7–12:
133
LMI Signals
137
LMI Read Operation
138
LMI Write Operation
138
Power Management Signals
139
(Full-Featured Qsys)
141
Completer-Only Single DWord
142
RX Avalon-MM Master Signals
144
Transceiver Reconfiguration
146
Serial Interface Signals
146
PIPE Interface Signals
150
Test Signals
153
Notes to Table 7–26:
154
8. Register Descriptions
155
Note to Table 8–2:
156
Note to Table 8–3:
157
Note to Table 8–4:
157
Note to Table 8–5:
157
Note to Table 8–6:
158
Note to Table 8–7:
158
Note to Table 8–8:
159
s and wait
162
PCI Express Mailbox Registers
167
Note to Table 8–30:
168
Root Port TLP Data Registers
170
Sending a TLP
173
Receiving a Completion TLP
173
Endpoints
174
Avalon-MM Mailbox Registers
175
Spec 2.1
176
9. Reset and Clocks
181
Example Design
182
127 cycles
184
300 PPM
185
Transceiver Clock Signals
186
Supported Message Types
189
Notes to Table 10–1:
191
Receive Buffer Reordering
192
Notes to Table 10–2:
193
MSI Interrupts
195
11–2 Chapter 11: Interrupts
196
Note to Figure 11–4:
197
Legacy Interrupts
198
Application Layer
199
11–6 Chapter 11: Interrupts
200
MSI/MSI-X Support
201
Qsys System
202
12. Optional Features
203
ECRC on the RX Path
204
ECRC on the TX Path
205
13. Flow Control
207
13–2 Chapter 13: Flow Control
208
Throughput of Posted Writes
208
Chapter 13: Flow Control 13–3
209
13–4 Chapter 13: Flow Control
210
14. Error Handling
211
Physical Layer Errors
212
Data Link Layer Errors
212
Transaction Layer Errors
213
s limit
214
Note to Table 14–4:
215
Figure 15–2
218
Core User Guide
219
16. SDC Timing Constraints
221
Endpoint Testbench
224
Root Port Testbench
225
Chaining DMA Design Examples
226
Root Complex
227
Chaining DMA
227
Hard IP for
227
PCI Express
227
Note to Table 17–2:
232
Note to Table 17–4:
233
Test Driver Module
236
DMA Write Cycles
237
DMA Read Cycles
239
Root Port Design Example
240
Root Port
241
Variation
241
(variation_name.v)
241
Root Port BFM
242
BFM Memory Map
244
Figure 17–6
248
BFM Read and Write Procedures
250
BFM Procedures and Functions
251
BFM Configuration Procedures
256
Shared Memory Constants
257
18. Debugging
271
18–2 Chapter 18: Debugging
272
Link Training
272
Chapter 18: Debugging 18–3
273
18–4 Chapter 18: Debugging
274
Chapter 18: Debugging 18–5
275
Setting Up Simulation
276
Chapter 18: Debugging 18–7
277
Use Third-Party PCIe Analyzer
278
BIOS Enumeration Issues
278
Notes to Table A–7:
280
Chapter : A–3
281
Notes to Table A–16:
282
Additional Information
283
Info–2 Revision History
284
How to Contact Altera
285
Typographic Conventions
286
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