3

P M C / P C I I N T E R F A C E

PCI 6254 Configuration Registers

ACh

D0h

D4h

D8h

DCh

E0h

E4h

E8h

ECh

F0h

reserved

Extended Register Index

reserved

 

reserved

reserved

 

 

 

 

 

Extended Registers Dataport

 

 

 

 

 

 

 

 

reserved

 

 

 

 

 

 

Power Management Capabilities

 

Next Item Pointer=E4

Capability ID=01

 

 

 

 

 

Power Management Data

PMCSR Bridge Support

 

Power Management CSR

 

 

 

 

 

reserved

HSCSR=00

 

Next Item Pointer=E8

Capability ID=06

 

 

 

 

 

VPD Register=0000

 

Next Item Pointer=00

Capability ID=03

 

 

 

 

 

VPD Data Register=0000_0000

 

 

 

 

 

 

 

 

reserved

 

 

 

 

 

 

Register 3-3:

PCI6254 Configuration Registers–

Non-Transparent Mode

Primary

31

24

23

16

15

8

7

0

Offset

 

 

 

 

 

 

 

 

 

00h

 

Device ID

 

 

Vendor ID

 

 

 

 

 

 

 

 

04h

 

Primary Status

 

 

Primary Command

 

 

 

 

 

 

 

 

 

 

08h

 

 

Class Code

 

 

 

Revision ID

 

 

 

 

 

 

 

 

0Ch

BIST

 

Header Type

 

Primary Latency Time

Primary Cache Line Size

 

 

 

 

 

 

 

 

10h

 

 

Downstream I/O or Memory 0 Bar

 

 

 

 

 

 

 

 

 

 

14h

 

 

Downstream Memory 1 Bar

 

 

 

 

 

 

 

18h

 

Downstream Memory 2 Bar or Downstream Memory 1 Bar Upper 32 bits

 

 

 

 

 

 

 

 

 

 

1Ch

 

 

 

reserved

 

 

 

 

 

 

 

 

 

 

 

 

2Ch

 

Subsystem ID

 

 

Subsystem Vendor ID

 

 

 

 

 

 

 

 

 

 

30h

 

 

 

reserved

 

 

 

 

 

 

 

 

 

 

 

 

34h

 

 

reserved

 

 

 

Capability Pointer

 

 

 

 

 

 

 

 

 

 

3-8CC1000dm User’s Manual

10004281-02

Page 40
Image 40
Emerson CC1000DM user manual PCI 6254 Configuration Registers, Power Management CSR