EP80579 Datasheet, PDF (550/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
Table 16-173.Offset 52h: PMCAPA - Power Management Capabilities Register (Sheet 2 of
2)
Description:
View: PCI 1
BAR: Configuration
Bus:Device:Function: 0:2:0
Offset Start: 52h
Offset End: 53h
View: PCI 2
BAR: Configuration
Bus:Device:Function: 0:3:0
Offset Start: 52h
Offset End: 53h
Size: 16 bit
Default: C822h
Power Well: Core
Bit Range
08 : 06
05
04
03
02 : 00
Bit Acronym
Bit Description
Sticky
AUXCC
DSI
Reserved
PMEC
VER
AUXC current: AUX current required for function.
Hardwired to 000b to indicate a self-powered device.
DSI: Device Specific Initialization is required.
Reserved
PME Clock: This bit is hardwired to ‘0’ to Indicate no PCI
Clock is required for PME.
Version: Hardwired to 010b to indicate compliance with
PCI Bus Power Management Interface Specification, Rev
1.1.
Bit Reset
Value
000b
1b
0b
0b
010b
Bit Access
RO
RO
RO
RO
16.4.1.35 Offset 54h: PMCSR - Power Management Status and Control Register
This register contains the control and status bits for power management.
Table 16-174.Offset 54h: PMCSR - Power Management Status and Control Register
Description:
View: PCI 1
BAR: Configuration
Bus:Device:Function: 0:2:0
Offset Start: 54h
Offset End: 55h
View: PCI 2
BAR: Configuration
Bus:Device:Function: 0:3:0
Offset Start: 54h
Offset End: 55h
Size: 16 bit
Default: 0000h
Power Well: Core
Bit Range
15
14 :09
08
07 : 02
01 : 00
Bit Acronym
Bit Description
Sticky
PMES_PMCSR
PME Status: This bit is hardwired to ‘0’ to Indicate this
field is not supported by IMCH.
Y
Reserved Reserved
PMEE
PME Enable: Controls PME# assertion. This bit is sticky
through reset. Writes to this field have no effect. This bit is
sticky.
Y
0 = This device does not assert PME#
1 = Enables this device to assert PME#
Reserved Reserved
Power State: Since the PCI Express* bridge device
PS
supports only the D0 state, writes to this field have no
effect.
Bit Reset
Value
0b
00b
0b
00h
00h
Bit Access
RO
RW
RO
Intel^® EP80579 Integrated Processor Product Line Datasheet
550
August 2009
Order Number: 320066-003US