Xilinx IP Ethernet AVB Endpoint v2.4 UG492 Instrukcja Użytkownika Pobierz pdf (Strona 25)

Ethernet AVB Endpoint User Guide www.xilinx.com 25

UG492 September 21, 2010

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LogiCORE 1
Ethernet AVB 1
Endpoint v2.4 1
Revision History 2
Table of Contents 3
Chapter 5: Core Architecture 4
Chapter 13: Software Drivers 6
Kit (EDK) 7
Schedule of Figures 9
UG492 September 21, 2010 10
Schedule of Tables 13
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
,” which 76
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
RTC Offset Control Registers 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
AXI_Ethernet Configuration 130
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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