Slot capabilities – Altera Stratix V Avalon-ST User Manual

Page 32

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Parameter

Value

Description

Surprise down

reporting

On/Off

When this option is On, a downstream port supports the

optional capability of detecting and reporting the surprise

down error condition. This parameter is only supported for

the Stratix V Hard IP for PCI Express in Root Port mode.

Slot clock

configuration

On/Off

When On, indicates that the Endpoint or Root Port uses the

same physical reference clock that the system provides on the

connector. When Off, the IP core uses an independent clock

regardless of the presence of a reference clock on the

connector.

Slot Capabilities

Table 3-8: Slot Capabilities

Parameter

Value

Description

Use Slot register

On/Off

The slot capability is required for Root Ports if a slot is implemented

on the port. Slot status is recorded in the

PCI Express Capabili-

ties

register. This parameter is only supported in Root Port mode.

Defines the characteristics of the slot. You turn on this option by

selecting Enable slot capability. The various bits are defined as

follows:

31

19 18 17 16 15 14

7 6 5

Physical Slot Number

No Command Completed Support

Electromechanical Interlock Present

Slot Power Limit Scale

Slot Power Limit Value

Hot-Plug Capable

Hot-Plug Surprise

Power Indicator Present

Attention Indicator Present

MRL Sensor Present

Power Controller Present

Attention Button Present

0

4 3 2 1

3-12

Slot Capabilities

UG-01097_sriov

2014.12.15

Altera Corporation

Parameter Settings

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