EP80579 Datasheet, PDF (754/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
19.2.6.3 Offset D8h: FDE: FWH Decode Enable Register
Table 19-29. Offset D8h: FDE: FWH Decode Enable Register (Sheet 1 of 2)
Description:
View: PCI
BAR: Configuration
Bus:Device:Function: 0:31:0
Offset Start: D8h
Offset End: DBh
Size: 16 bit
Default: FFCFh
Power Well: Core
Bit Range
15
14
13
12
11
10
09
Bit Acronym
Bit Description
Sticky
F8-FF Enable: Enables decoding of 512 Kbyte Firmware
Hub memory ranges:
0 = 0 = Disable
EF8
1 = 1 = Enable the following ranges for the Firmware Hub
Data space:FFF80000h – FFFFFFFFh
Feature space:FFB80000h – FFBFFFFFh
F0-F8 Enable: Enables decoding of 512K-Kbyte Firmware
Hub memory ranges:
0 = Disable.
EF0
1 = Enable the following ranges for the Firmware Hub:
Data space:FFF00000h – FFF7FFFFh
Feature space:FFB00000h – FFB7FFFFh
E8-EF Enable: Enables decoding of 512K-Kbyte Firmware
Hub memory ranges:
0 = Disable.
EE8
1 = Enable the following ranges for the Firmware Hub:
Data space:FFE80000h – FFEFFFFFh
Feature space:FFA80000h – FFAFFFFFh
E0-E8 Enable: Enables decoding of 512K-Kbyte Firmware
Hub memory ranges:
0 = Disable.
EE0
1 = Enable the following ranges for the Firmware Hub:
Data space:FFE00000h – FFE7FFFFh
Feature Space:FFA00000h – FFA7FFFFh
ED8
D8-DF Enable: Enables decoding of 512K-Kbyte
Firmware Hub memory ranges:
0 = Disable.
1 = Enable the following ranges for the Firmware Hub:
Data space:FFD80000h – FFDFFFFFh
Feature space:FF980000h – FF9FFFFFh
ED0
D0-D7 Enable: Enables decoding of 512K-Kbyte
Firmware Hub memory ranges:
0 = Disable.
1 = Enable the following ranges for the Firmware Hub:
Data space:FFD00000h – FFD7FFFFh
Feature space:FF900000h – FF97FFFFh
EC8
C8-CF Enable: Enables decoding of 512K-Kbyte Firmware
Hub memory ranges:
0 = Disable.
1 = Enable the following ranges for the Firmware Hub:
Data space:FFC80000h – FFCFFFFFh
Feature space:FF880000h – FF8FFFFFh
Bit Reset
Value
1
1
1
1
1
1
1
Bit Access
RO
RW
RW
RW
RW
RW
RW
Intel^® EP80579 Integrated Processor Product Line Datasheet
754
August 2009
Order Number: 320066-003US