25 atu interrupt pin register - atuipr, Table 165. atu interrupt pin register - atuipr, 26 atu minimum grant register - atumgnt – Intel CONTROLLERS 413808 User Manual

Page 316: Table 166. atu minimum grant register - atumgnt, 25atu interrupt pin register - atuipr, 26atu minimum grant register - atumgnt, 165 atu interrupt pin register - atuipr, 166 atu minimum grant register - atumgnt, This register does not apply to pci express, Intel

Advertising
background image

Intel

®

413808 and 413812—Address Translation Unit (PCI Express)

Intel

®

413808 and 413812 I/O Controllers in TPER Mode

Developer’s Manual

October 2007

316

Order Number: 317805-001US

3.17.25 ATU Interrupt Pin Register - ATUIPR

ATU Interrupt Pin Register bit definitions adhere to PCI Local Bus Specification,

Revision 2.3. This register identifies the interrupt pin the ATU and Messaging Unit

interface uses.

3.17.26 ATU Minimum Grant Register - ATUMGNT

This register does not apply to PCI Express.

Table 165. ATU Interrupt Pin Register - ATUIPR

Bit

Default

Description

07:00

01H

Interrupt Used - A value of 01H signifies that the ATU interface unit uses the INTA legacy interrupt

message.

PCI

IOP

Attributes

Attributes

7

4

0

rw

ro

rw

ro

rw

ro

rw

ro

rw

ro

rw

ro

rw

ro

rw

ro

Attribute Legend:

RV = Reserved

PR = Preserved

RS = Read/Set

RW = Read/Write

RC = Read Clear

RO = Read Only

NA = Not Accessible

Internal Bus Address Offset

+03DH

Table 166. ATU Minimum Grant Register - ATUMGNT

Bit

Default

Description

07:00

00H

This register does not apply to PCI Express.

Hard-wired to 0

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

Internal Bus Address Offset

+03EH

Advertising