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22
www
.xilinx.com
Ethern
et A
VB Endpoi
nt User Guide
UG492 July 23, 2010
Pref
ace:
About This Guide
1
2
...
17
18
19
20
21
22
23
24
25
26
27
...
171
172
LogiCORE
1
Ethernet AVB
1
Endpoint v2.4
1
Revision History
2
Table of Contents
3
Chapter 5: Core Architecture
4
Schedule of Figures
9
UG492 July 23, 2010
10
Schedule of Tables
13
Chapter 13: Software Drivers
14
About This Guide
17
Conventions
18
Online Document
19
List of Abbreviations
20
Preface: About This Guide
22
Recommended Design Experience
24
Additional Core Resources
24
Technical Support
24
Feedback
24
Document
25
Chapter 1: Introduction
26
Licensing the Core
27
Obtaining Your License Key
28
Installing the License File
28
Bridging
29
AVB Specifications
30
P802.1Qav
31
Typical Implementation
32
Component Name
36
Core Delivery Format
36
Ethernet AVB GUI Page 2
37
Output Generation
38
Core Architecture
39
EDK pcore Format
41
Functional Block Description
42
Tx Arbiter
43
Rx Splitter
43
MAC Header Filters
43
Tx PTP Packet Buffers
44
Tx Time Stamp
44
Rx PTP Packet Buffers
44
Rx Time Stamp
44
Tri-Mode Ethernet MACs
46
Core Interfaces
47
Legacy Traffic Interface
48
AV Traffic Interface
49
MAC Transmitter Interface
50
MAC Receiver Interface
51
MAC Management Interface
51
PLB Interface
53
Chapter 5: Core Architecture
54
Interrupt Signals
55
PTP Signals
56
Chapter 6
57
Tx AV Traffic I/F
59
Tx Arbiter Bandwidth Control
63
Chapter 7
65
Legacy MAC Header Filters
67
Match Pattern Register
70
Match Enable Register
70
VLAN Priority Match
72
Any Other Combinations
72
Rx AV Traffic I/F
73
Errored AV Traffic Reception
74
Chapter 8
75
RTC Implementation
77
(Step 2) Synchronized RTC
78
Time Stamping Logic
79
Chapter 9
83
Rx PTP Packet Buffer
85
Configuration and Status
87
Single Write Transaction
89
Rx Filtering Control Register
93
TC nanoseconds field. Used
94
Current RTC Value Registers
95
RTC Interrupt Clear Register
96
Phase Adjustment Register
97
MAC Address Filter Registers
100
MAC MDIO Registers
101
Constraining the Core
103
signal:
104
Required Constraints
107
"rtc_regs_sample";
109
System Integration
111
Introduction
124
EDK Tool Domain
125
Ethernet
125
MHS File Syntax
127
Software Drivers
131
Clock Slave
132
Software System Integration
132
Core Initialization
134
Ethernet AVB Endpoint Setup
134
Quick Start Example Design
137
Generating the Core
139
Simulating the Example Design
141
What’s Next?
142
Chapter 15
143
Directory and File Contents
144
<component name>/doc
145
Table 15-9: Timing Directory
148
Implementation Scripts
151
Simulation Scripts
151
Example Design
152
Top-Level Example Design HDL
153
Ethernet Frame Stimulus
153
Ethernet Frame Checker
154
Loopback Module
154
PLB Module
155
Demonstration Test Bench
156
Customizing the Test Bench
157
X-Ref Target - Figure 15-3C
158
Development Kit (EDK)
165
RTC Time Stamp Accuracy
167
0 40 80 120 160 200 240RTC
168
RTC Sampling Error
169
Sampling
170
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