307013-003 Datasheet, PDF (377/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

LPC Interface Bridge Registers (D31:F0)
10.1.26 FWH_SEL1—Firmware Hub Select 1 Register
(LPC I/F—D31:F0)
Offset Address: D0h–D3h
Default Value: 00112233h
Attribute:
Size:
R/W, RO
32 bits
Bit
Description
31:28
FWH_F8_IDSEL — RO. IDSEL for two 512-KB Firmware Hub memory ranges and one
128-KB memory range. This field is fixed at 0000. The IDSEL programmed in this field
addresses the following memory ranges:
FFF8 0000h – FFFF FFFFh
FFB8 0000h – FFBF FFFFh
000E 0000h – 000F FFFFh
27:24
FWH_F0_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
FFF0 0000h – FFF7 FFFFh
FFB0 0000h – FFB7 FFFFh
23:20
FWH_E8_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
FFE8 0000h – FFEF FFFFh
FFA8 0000h – FFAF FFFFh
19:16
FWH_E0_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
FFE0 0000h – FFE7 FFFFh
FFA0 0000h – FFA7 FFFFh
15:12
FWH_D8_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
FFD8 0000h – FFDF FFFFh
FF98 0000h – FF9F FFFFh
11:8
FWH_D0_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
FFD0 0000h – FFD7 FFFFh
FF90 0000h – FF97 FFFFh
FWH_C8_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
7:4
FFC8 0000h – FFCF FFFFh
FF88 0000h – FF8F FFFFh
FWH_C0_IDSEL — R/W. IDSEL for two 512-KB Firmware Hub memory ranges. The
IDSEL programmed in this field addresses the following memory ranges:
3:0
FFC0 0000h – FFC7 FFFFh
FF80 0000h – FF87 FFFFh
Intel ^® ICH7 Family Datasheet
377