EP80579 Datasheet, PDF (571/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
16.4.1.57 Offset 84h: PEARPSTS - PCI Express* Root Port Status Register
This register supports power management events.
Table 16-196.Offset 84h: PEARPSTS - PCI Express Root Port Status Register
Description:
View: PCI 1
BAR: Configuration
Bus:Device:Function: 0:2:0
Offset Start: 84h
Offset End: 87h
View: PCI 2
BAR: Configuration
Bus:Device:Function: 0:3:0
Offset Start: 84h
Offset End: 87h
Size: 32 bit
Default: 00000000h
Power Well: Core
Bit Range
31 : 18
17
16
15 : 00
Bit Acronym
Bit Description
Sticky
Reserved
PMEP
PMES
PMERID
Reserved
PME Pending:
0 = Cleared by hardware when no more PMEs are pending.
1 = Indicates that another PME is pending when the PME
Status bit is set.
PME Status:
0 = Cleared by software writing a ‘1’ to the bit location.
1 = PME has been asserted by the requestor indicated in
the PME Requestor ID field.
Note: Subsequent PMEs are kept pending until cleared
by software.
PME Requestor ID: Indicates the PCI Requestor ID of the
last PME requestor.
Bit Reset
Value
0000h
0b
0b
0000h
Bit Access
RO
RWC
RO
16.4.1.58 Offset 100h: ENHCAPST - Enhanced Capability Structure Register
This register identifies the capability structure and points to the next structure. This
enhanced configuration structure by definition starts at configuration offset 100h.
Table 16-197.Offset 100h: ENHCAPST - Enhanced Capability Structure Register
Description:
View: PCI 1
BAR: Configuration
Bus:Device:Function: 0:2:0
Offset Start: 100h
Offset End: 103h
View: PCI 2
BAR: Configuration
Bus:Device:Function: 0:3:0
Offset Start: 100h
Offset End: 103h
Size: 32 bit
Default: 00010001h
Power Well: Core
Bit Range Bit Acronym
Bit Description
Sticky
31 : 20
19 : 16
15 : 00
NCP
Next Capability Pointer: This field is hardwired to 000h
to indicate that there are no other items in the capability
list.
CV
Capability Version: Hardwired to 1h, to indicate PCI
Express* Interface Specification, Rev 1.0a.
Extended_CAP_ Hardwired to 0001h, to indicate advanced error reporting
ID
capability.
Bit Reset
Value
000h
1h
0001h
Bit Access
RO
RO
RO
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
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