Host Capability Registers; Caplength - Ehci Compliant; Hciversion - Ehci Compliant; Hcsparams - Ehci Compliant With Extensions - Intel IXP45X Developer's Manual

Intel
Table 130. HWRXBUF – RX Buffer Hardware Parameters
Field
(Reserved)
RXADD
RXBURST
9.11

Host Capability Registers

Host Capability registers specify the software limits, restrictions, and capabilities of the
host controller implementation.
9.11.1 CAPLENGTH – EHCI Compliant
Address:
Default Value: 40h
Attribute:
Size:
This register is used to indicate which offset to add to the register base address at the
beginning of the Operational Register.
7 6 5
CAPLENGTH[7:0]
9.11.2 HCIVERSION – EHCI Compliant
Address:
Default Value: 0100h
Attribute:
Size:
This is a two-byte register containing a BCD encoding of the EHCI revision number
supported by this host controller. The most significant byte of this register represents a
major revision and the least significant byte is the minor revision.
15 14 13 12 11 10 9
9.11.3 HCSPARAMS – EHCI Compliant with Extensions
Address:
Default Value: 0x0001_0011
Attribute:
Size:
Port steering logic capabilities are described in this register.
® ®
Intel IXP45X and Intel IXP46X Product Line of Network Processors
Developer's Manual
370
® ®
IXP45X and Intel IXP46X Product Line of Network Processors—USB 2.0 Host Controller
These bits are reserved and should be zero.
VUSB_HS_RX_ADD
VUSB_HS_RX_BURST
Base + 100h
Read Only
8 bits
4 3 2 1 0
Base + 102h
Read Only
16 bits
8 7 6
HCIVERSION[15:0]
Base + 104h
Read Only
32 bits
Description
5 4 3 2 1 0
August 2006
Order Number: 306262-004US