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Lsi53c1030 pci configuration space address map – Avago Technologies LSI53C1030 User Manual

Page 88

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4-2

PCI Host Register Description

Version 2.2

Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.

Interrupts, and PCI-X) to optimize device performance. The LSI53C1030
does not hard code the location and order of the PCI extended capability
structures. The address and location of the PCI extended capability
structures are subject to change. To access a PCI extended capability
structure, follow the pointers held in the Capability Pointer registers and
identify the extended capability structure with the Capability ID register
for the given structure.

Table 4.1

LSI53C1030 PCI Configuration Space Address Map

31

16 15

0 Offset

Page

Device ID

Vendor ID

0x00

4-3

Status

Command

0x04

4-3

Class Code

Revision ID

0x08

4-7

Reserved

Header Type

Latency Timer

Cache Line Size

0x0C

4-7

I/O Base Address

0x10

4-9

Memory [0] Low

0x14

4-9

Memory [0] High

0x18

4-10

Memory [1] Low

0x1C

4-10

Memory [1] High

0x20

4-11

Reserved

0x24

0x28

Subsystem ID

Subsystem Vendor ID

0x2C

4-12

Expansion ROM Base Address

0x30

4-14

Reserved

Capabilities Pointer

0x34

4-14

0x38

Maximum Latency

Minimum Grant

Interrupt Pin

Interrupt Line

0x3C

4-15

Reserved

0x40–

0x7F

Power Management Capabilities

PM Next Pointer

PM Capability ID

4-17

PM Data

PM BSE

Power Management Control/Status

4-19

Reserved

Message Control

MSI Next Pointer

MSI Capability ID

4-21

Message Address

4-22

Message Upper Address

4-23

Message Data

4-23

Reserved

PCI-X Command

PCI-X Next Pointer

PCI-X Capability ID

4-24

PCI-X Status

4-26

Reserved