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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