Owner's manual

Table Of Contents
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
1514131211109876543210
RSVD REV
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RSVD
1514131211109876543210
RSVD RWE RWC IR HCFS BLE CLE IE PLE CBSR