Cirrus Logic EP93xx User Manual
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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
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RSVD
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RSVD
REV
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RSVD
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RSVD
RWE
RWC
IR
HCFS
BLE
CLE
IE
PLE
CBSR