Altera Arria V Avalon-MM Manual do Utilizador descarregar pdf (Página 138)

According to the PCI Express Base Specification, if MSI_enable=0 and the Disable Legacy Interrupt

bit=1 in the Configuration Space Command register (0x004), the Hard IP should not send legacy interrupt

messages when an interrupt is generated.

9-22

Interrupt Handler Block

UG-01105_avmm

2014.12.15

Altera Corporation

IP Core Architecture

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1 2 ... 133 134 135 136 137 138 139 140 141 142 143 ... 165 166

User Guide 1
Datasheet 2
Features 3
Release Information 6
Device Family Support 6
Altera FPGA 7
IP Core Verification 9
Debug Features 9
Recommended Speed Grades 10
Hard IP for PCI Express 12
Running Qsys 13
Generating the Example Design 14
Programming a Device 18
Quartus II Programmer 19
Parameter Settings 20
Parameter Value Description 21
Device Capabilities 23
Error Reporting 24
Link Capabilities 25
MSI and MSI-X Capabilities 25
Power Management 27
Subscribe 31
RX Avalon-MM Master Signals 33
Clock Signals 38
Reset Signals 38
Signal Direction Description 39
Hard IP Status 40
IntxReq_i 44
IntAck_o 44
Hard IP Status Extension 46
Field and Bit Map 54
0134678951 54
Serial Interface Signals 55
9 Ch 18 Ch 56
Variant Data CMU Clock 57
PIPE Interface Signals 58
Test Signals 62
Registers 63
Altera-Defined VSEC Registers 71
CvP Registers 72
Address Range Register 76
Bit Name Access Description 77
Bits Name Access Description 78
PCI Express Mailbox Registers 79
Avalon-MM Mailbox Registers 83
Address Name Access 84
Description 84
Byte Offset 84
Register Dir Description 84
Sending a Write TLP 90
Root Port TLP Data Registers 92
Bits Register Description 95
Reset and Clocks 98
Example Design 99
UG-01105_avmm 100
2014.12.15 100
Clock Domains 102
Data Rate Frequency 103
Related Information 103
Clock Summary 104
Interrupts for Endpoints 105
MSI/MSI‑X Support 107
Qsys System 108
Error Handling 109
Physical Layer Errors 110
Data Link Layer Errors 110
Transaction Layer Errors 111
Error Type Description 112
Status Bit Conditions 115
IP Core Architecture 117
Hard IP for PCI Express 118
Clocks and Reset 119
Transceiver Reconfiguration 119
Interrupts 119
Data Link Layer 120
Altera Corporation 121
Send Feedback 121
Physical Layer 122
TX Packets 123
Avalon‑MM Bridge TLPs 127
Byte Enable Value Description 128
PCI Express Avalon-MM Bridge 130
RX Block 136
Avalon-MM RX Master Block 136
TX Block 137
Interrupt Handler Block 137
Design Implementation 139
Making Pin Assignments 140
Optional Features 141
ECRC on the RX Path 142
ECRC on the TX Path 143
Enable PLL calibration 145
Debugging 148
Setting Up Simulation 149
Use Third-Party PCIe Analyzer 150
BIOS Enumeration Issues 151
Address[31:2] 152
Figure A-6: I/O Read Request 154
7 6 5 4 3 2 1 0 158
Core Config 8 4 1 158
Additional Information 160
Date Version Changes Made 161
How to Contact Altera 163
Typographic Conventions 164
Visual Cue Meaning 165

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