Cirrus Logic EP93xx - Manual (Page 452)

11-12 DS785UM1
Copyright 2007 Cirrus Logic
Universal Serial Bus Host Controller
EP93xx User’s Guide
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OpenHCI Implementation Specific Registers
The Root Hub partition contains registers that have power-on reset values that are
implementation specific. The values for the processor are indicated in the Default field for
each register, below.
HcRevision
Address:
0x8002_0000
Default:
0x0000_0010
Definition:
Defines the revision of the OHCI specification with which this implementation
is compatible.
Bit Description:
RSVD: Reserved. Unknown During Read.
REV: This read-only field contains the BCD representation of the
version of the HCI specification that is implemented by this
HC.
0x10 = Compatible with OHCI 1.0.
HcControl
Address:
0x8002_0004
Default:
0x0000_0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD REV
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD RWE RWC IR HCFS BLE CLE IE PLE CBSR