EP80579 Datasheet, PDF (1265/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
35.8
35.8.1
GCU Configuration Space: Bus M, Device 3, Function 0
The GCU and MDIO port is Device 3 of Bus M, and is accessed using type 1
configuration cycles.
Register Details
Table 35-43. Bus M, Device 3, Function 0: Summary of GCU PCI Configuration Registers
Offset Start Offset End
Register ID - Description
00h
02h
04h
06h
08h
09h
0Eh
10h
2Ch
2Eh
34h
DCh
DDh
DEh
E0h
01h
03h
05h
07h
08h
0Bh
0Eh
13h
2Dh
2Fh
34h
DCh
DDh
DFh
E1h
“Offset 00h: VID: Vendor Identification Register” on page 1265
“Offset 02h: DID: Device Identification Register” on page 1266
“Offset 04h: PCICMD: Device Command Register” on page 1266
“Offset 06h: PCISTS: PCI Device Status Register” on page 1267
“Offset 08h: RID: Revision ID Register” on page 1268
“Offset 09h: CC: Class Code Register” on page 1268
“Offset 0Eh: HDR: Header Type Register” on page 1268
“Offset 10h: CSRBAR: Control and Status Registers Base Address Register” on
page 1269
“Offset 2Ch: SVID: Subsystem Vendor ID Register” on page 1269
“Offset 2Eh: SID: Subsystem ID Register” on page 1270
“Offset 34h: CP: Capabilities Pointer Register” on page 1270
“Offset DCh: PCID: Power Management Capability ID Register” on page 1270
“Offset DDh: PCP: Power Management Next Capability Pointer Register” on
page 1271
“Offset DEh: PMCAP: Power Management Capability Register” on page 1271
“Offset E0h: PMCS: Power Management Control and Status Register” on
page 1272
Default
Value
8086h
503Eh
0000h
0010h
Variable
FF0000h
00h
00000000h
0000h
0000h
DCh
01h
00h
0023h
0000h
35.8.1.1
Offset 00h: VID – Vendor Identification Register
The VID Register contains the vendor identification number. This 16-bit register
combined with the Device Identification Register uniquely identifies any PCI device.
Writes to this register have no effect.
Table 35-44. Offset 00h: VID: Vendor Identification Register
Description:
View: PCI
BAR: Configuration
Bus:Device:Function: M:3:0
Offset Start: 00h
Offset End: 01h
Size: 16 bit
Default: 8086h
Power Well: Core
Bit Range Bit Acronym
Bit Description
15 : 00
VID
Vendor Identification: This register field contains the
PCI standard identification for Intel, 8086h.
Sticky
Bit Reset
Value
Bit Access
8086h
RO
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
1265