Error reporting, Link capabilities – Altera Arria V Avalon-ST User Manual

Page 30

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Error Reporting

Table 3-4: Error Reporting

Parameter

Value

Default Value

Description

Advanced

error

reporting

(AER)

On/Off

Off

When On, enables the Advanced Error Reporting (AER)

capability.

ECRC

checking

On/Off

Off

When On, enables ECRC checking. Sets the read-only

value of the ECRC check capable bit in the

Advanced

Error Capabilities and Control Register

. This

parameter requires you to enable the AER capability.

ECRC

generation

On/Off

Off

When On, enables ECRC generation capability. Sets the

read-only value of the ECRC generation capable bit in

the

Advanced Error Capabilities and Control

Register

. This parameter requires you to enable the

AER capability.
Not applicable for Avalon-MM DMA.

ECRC

forwarding

On/Off

Off

When On, enables ECRC forwarding to the Application

Layer. On the Avalon-ST RX path, the incoming TLP

contains the ECRC dword

(3)

and the

TD

bit is set if an

ECRC exists. On the transmit the TLP from the Applica‐

tion Layer must contain the ECRC dword and have the

TD

bit set.

Not applicable for Avalon-MM DMA.

Link Capabilities

Table 3-5: Link Capabilities

Parameter

Value

Description

Link port

number

0x01

Sets the read-only value of the port number field in the

Link

Capabilities Register

.

(3)

Throughout this user guide, the terms word, dword and qword have the same meaning that they have in

the PCI Express Base Specification. A word is 16 bits, a dword is 32 bits, and a qword is 64 bits.

2014.12.15

Error Reporting

3-7

Parameter Settings

Altera Corporation

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