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22 atu capabilities pointer register - atu_cap_ptr, 22atu capabilities pointer register - atu_cap_ptr, 48 atu capabilities pointer register - atu_cap_ptr – Intel CONTROLLERS 413808 User Manual

Page 163: Section 2.14.22, Address translation unit (pci-x)—intel, 36 bit default description

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Intel

®

413808 and 413812 I/O Controllers in TPER Mode

October 2007

Developer’s Manual

Order Number: 317805-001US

163

Address Translation Unit (PCI-X)—Intel

®

413808 and 413812

2.14.22 ATU Capabilities Pointer Register - ATU_Cap_Ptr

The Capabilities Pointer Register bits adhere to the definitions in the PCI Local Bus

Specification, Revision 2.3. This register provides an offset in this function’s PCI

Configuration Space for the location of the first item in the first Capability list. In the

case of the 4138xx, this is the PCI Bus Power Management extended capability as

defined by the PCI Bus Power Management Interface Specification, Revision 1.1.

Table 48. ATU Capabilities Pointer Register - ATU_Cap_Ptr

36

Bit

Default

Description

07:00

98H

Capability List Pointer - This provides an offset in this function’s configuration space that points to the

4138xx PCl Bus Power Management extended capability.

PCI

IOP

Attributes

Attributes

7

4

0

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

ro

Attribute Legend:

RV = Reserved

PR = Preserved

RS = Read/Set

RW = Read/Write

RC = Read Clear

RO = Read Only

NA = Not Accessible

Register Offset

+034H