
OHCI Registers
184
September 2005
SCPS110
8.38 Physical Request Filter Low Register
The physical request filter low set/clear register enables physical receive requests on a per-node basis, and
handles the lower node IDs. When a packet is destined for the physical request context, and the node ID has
been compared against the asynchronous request filter registers, then the node ID comparison is done again
with this register. If the bit corresponding to the node ID is not set to 1b in this register, then the request is
handled by the asynchronous request context instead of the physical request context. See Table 830 for a
complete description of the register contents.
OHCI register offset:
118h
set register
11Ch
clear register
Register type:
Read/Set/Clear
Default value:
0000 0000h
BIT NUMBER
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RESET STATE
0
BIT NUMBER
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESET STATE
0
Table 830. Physical Request Filter Low Register Description
BIT
FIELD NAME
TYPE
DESCRIPTION
31
physReqResource31
RSC
If bit 31 is set to 1b for local bus node number 31, physical requests received by the controller from
that node are handled through the physical request context.
30
physReqResource30
RSC
If bit 30 is set to 1b for local bus node number 30, physical requests received by the controller from
that node are handled through the physical request context.
292
physReqResourcen
RSC
Bits 29 through 2 (physReqResourcen, where n = 29, 28, 27,
…, 2) follow the same pattern as
bits 31 and 30.
1
physReqResource1
RSC
If bit 1 is set to 1b for local bus node number 1, physical requests received by the controller from
that node are handled through the physical request context.
0
physReqResource0
RSC
If bit 0 is set to 1b for local bus node number 0, physical requests received by the controller from
that node are handled through the physical request context.
8.39 Physical Upper Bound Register (Optional Register)
The physical upper bound register is an optional register and is not implemented. This register returns 0000
0000h when read.
OHCI register offset:
120h
Register type:
Read-only
Default value:
0000 0000h
BIT NUMBER
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
RESET STATE
0
BIT NUMBER
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
RESET STATE
0