Altera RapidIO MegaCore Function Manuel d'utilisateur Page 156
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
6–24 Chapter 6: Software Interface
Transport and Logical Layer Registers
RapidIO MegaCore Function August 2014 Altera Corporation
User Guide
Transport Layer Feature Register
Table 6–51 describes the
Rx Transport Control
register. This register controls the
Transport layer mode.
Error Management Registers
Table 6–52 through Table 6–56 describe the error management registers. These
registers can be used by software to diagnose problems with packets that are received
by the local endpoint. If enabled, the detected error triggers the assertion of
sys_mnt_s_irq
. Information about the packet that caused the error is captured in the
capture registers. After an error condition is detected, the information is captured and
the capture registers are locked until the
Error
Detect
CSR
is cleared. Upon being
cleared, the capture registers are ready to capture a new packet that exhibits an error
condition.
Table 6–50. Input/Output Slave RapidIO Write Requests—Offset: 0x10510
Field Bits Access Function Default
RSRV
[31:16] RO Reserved
16'h0
COMPLETED_OR_CANCELLED_WRITES
[15:0] RO
Number of write-request packets transferred
from the Avalon-MM Input/Output Slave
module to the Transport layer or cancelled.
Count increments when the write-request
packet is sent to the Transport layer, or when
a write transaction is cancelled. This counter
rolls over to 0 after its maximum value.
16'b0
Table 6–51. Rx Transport Control—Offset: 0x10600
Field Bits Access Function Default
RSRV
[31:1] RO Reserved
31'h0
PROMISCUOUS_MODE
[0] RW
This bit determines whether the Transport layer checks
destination IDs in incoming request packets, or
promiscuously accepts all incoming request packets
with a supported
ftype
.
(1)
Note to Table 6–51:
(1) The default (reset) value is set in the RapidIO parameter editor for non-Arria 10 variations. The default (reset) value for Arria 10 variations is 1.
Table 6–52. Logical/Transport Layer Error Detect CSR—Offset: 0x10800 (Part 1 of 2)
Field Bits Access Function Default
IO_ERROR_RSP
[31] RW Received a response of
ERROR
for an I/O Logical Layer Request.
1'b0
MSG_ERROR_RESPONSE
[30] RW Received a response of
ERROR
for a MSG Logical Layer Request.
1'b0
GSM error response [29] RO This feature is not supported.
1'b0
MSG_FORMAT_ERROR
[28] RW
Received
MESSAGE
packet data payload with an invalid size or
segment.
1'b0
ILL_TRAN_DECODE
[27] RW
Received illegal fields in the request/response packet for a
supported transaction.
1'b0
ILL_TRAN_TARGET
[26] RW
Received a packet that contained a destination ID that is not
defined for this end point.
1'b0
- 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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