82801FB Datasheet, PDF (528/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

EHCI Controller Registers (D29:F7)
Table 14-1. USB EHCI PCI Register Address Map (USB EHCI—D29:F7) (Sheet 2 of 2)
Offset
Mnemonic
Register Name
Default Value
Type
5A–5Bh
60h
61h
62–63h
64–67h
68–6Bh
6C–6Fh
70–73h
74–7Fh
80h
FC–FFh
DEBUG_BASE
USB_RELNUM
FL_ADJ
PWAKE_CAP
—
LEG_EXT_CAP
LEG_EXT_CS
SPECIAL_SMI
—
ACCESS_CNTL
USB2IR
Debug Port Base Offset
USB Release Number
Frame Length Adjustment
Port Wake Capabilities
Reserved
USB EHCI Legacy Support Extended
Capability
USB EHCI Legacy Extended Support
Control/Status
Intel Specific USB 2.0 SMI
Reserved
Access Control
USB2 Initialization Register
20A0h
20h
20h
01FFh
—
00000001h
00000000h
00000000h
—
00h
00001706h
RO
RO
R/W
R/W
—
R/W, RO
R/W, R/WC,
RO
R/W, R/WC
—
R/W
R/W
14.1.1
VID—Vendor Identification Register
(USB EHCI—D29:F7)
Offset Address: 00–01h
Default Value: 8086h
Attribute:
Size:
RO
16 bits
14.1.2
Bit
Description
15:0 Vendor ID — RO. This is a 16-bit value assigned to Intel.
DID—Device Identification Register
(USB EHCI—D29:F7)
Offset Address: 02–03h
Default Value: 265Ch
Attribute:
Size:
RO
16 bits
Bit
Description
15:0 Device ID — RO. This is a 16-bit value assigned to the Intel^® ICH6 USB EHCI controller.
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Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet