Universal Serial Bus Host Controller
EP93xx User's Guide
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
11
31
30
15
14
Address:
Default:
Definition:
Bit Description:
HcControl
31
30
15
14
Address:
Default:
11-12
29
28
27
26
13
12
11
10
RSVD
0x8002_0000
0x0000_0010
Defines the revision of the OHCI specification with which this implementation
is compatible.
RSVD:
REV:
29
28
27
26
13
12
11
10
RSVD
RWE
0x8002_0004
0x0000_0000
25
24
23
22
RSVD
9
8
7
6
Reserved. Unknown During Read.
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.
25
24
23
22
RSVD
9
8
7
6
RWC
IR
HCFS
Copyright 2007 Cirrus Logic
21
20
19
18
5
4
3
2
REV
21
20
19
18
5
4
3
2
BLE
CLE
IE
PLE
17
16
1
0
17
16
1
0
CBSR
DS785UM1
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