Intel C2518 FH8065501516710 Data Sheet

Intel

®

 Atom™ Processor C2000 Product Family for Microserver

Datasheet, Vol. 2 of 3

September 2014

242

Order Number: 330061-002US

The PCI Express Root Port Controller registers in Configuration Space are shown 

. A set of these registers exists for each Root Port controller of 

the SoC. The registers are in the configuration space starting at bus 0, devices 1, 2, 3, 

and 4, function 0. The offset addresses are listed.

0x000

VID/DID

DID: 1F10h, 1F11h, 1F12h, 1F13h

0x004

PCICMD

PCI Command Register

0x006

PCISTS

PCI Status Register

0x008

RID

Revision ID Register

0x009

CCR

Class Code Register

0x00C

CLS

Cacheline Size Register

0x00D

PLAT

Primary Latency Timer

0x00E

HDR

Header Type Register

0x00F

BIST

Built-In Self-Test

0x018

PRIBUS

Primary Bus Number Register

0x019

SECBUS

Secondary Bus Number Register

0x01A

SUBBUS

Subordinate Bus Number Register

0x01C

IOBASE

I/O Base Register

0x01D

IOLIMIT

I/O Limit Register

0x01E

SECSTS

Secondary Status Register

0x020

MEMBASE

Memory Base Register

0x022

MEMLIMIT

Memory Limit Register

0x024

PFBASE

Prefetchable Memory Base Register

0x026

PFLIMIT

Prefetchable Memory Limit Register

0x208

PFBASEU

Prefetchable Memory Base Upper 32-Bits Register

0x02C

PFLIMITU

Prefetchable Memory Limit Upper 32-Bits Register

0x034

CAPPTR

Capabilities Pointer Register

0x03C

INTL

Interrupt Line Register

0x03D

INTP

Interrupt Pin Register

0x03E

BCTL

Bridge Control Register