Register descriptions, Configuration space register content, Chapter 8. register descriptions – Altera Arria V Hard IP for PCI Express User Manual

Page 155: Configuration space register content –1, Common configuration space, Header, Chapter, In the, Common configuration space header, Configuration space register

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December 2013

Altera Corporation

Arria V Hard IP for PCI Express

User Guide

8. Register Descriptions

This section describes registers that you can access the PCI Express Configuration
Space. It includes the following sections:

■

Configuration Space Register Content

■

Correspondence between Configuration Space Registers and the PCIe Spec 2.1

Configuration Space Register Content

Table 8–1

shows the PCI Compatible Configuration Space address map. The following

tables provide more details.

1

To facilitate finding additional information about these PCI and PCI Express registers,
the following tables provide the name of the corresponding section in the

PCI Express

Base Specification Revision 2.1.

f

For comprehensive information about these registers, refer to Chapter 7 of the

PCI

Express Base Specification Revision 2.1.

Table 8–1. Common Configuration Space Header

Byte Offset

Register Set

0x000:0x03C

PCI Type 0 Configuration Space Header (Refer to

Table 8–2

for details) or PCI Type 1 Configuration

Space Header (Refer to

Table 8–3

for details.)

0x040:0x04C

Reserved.

0x050:0x05C

MSI Capability Structure (Refer to

Table 8–4

for details.)

0x060:0x064

Reserved

0x068:0x070

MSI-X Capability Structure (Refer to

Table 8–5

for details.)

0x071:0x074

Reserved

0x078:0x07C

Power Management Capability Structure (Refer to

Table 8–6

for details.)

0x080:0x0BC

PCI Express Capability Structure (Refer to

Table 8–8

for details.)

0x0C0:0x0C4

Reserved

0x0C8-0x7FC

Reserved

0x800:0x834

Advanced error reporting (AER)

(optional)

0x838:0xFFF

Reserved

0x100:0x16C

Virtual Channel Capability Structure for Function 0, Vendor Specific Extended Capability for Functions
1–7

December 2013
UG-01110-1.5

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