1 pci configuration registers, 2 vendor id register – Texas Instruments TSB12LV26 User Manual
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3–3
3.1
PCI Configuration Registers
The TSB12LV26 is a single-function PCI device. The configuration header is compliant with the
PCI Local Bus
Specification as a standard header. Table 3–2 illustrates the PCI configuration header that includes both the
predefined portion of the configuration space and the user definable registers.
Table 3–2. PCI Configuration Register Map
REGISTER NAME
OFFSET
Device ID
Vendor ID
00h
Status
Command
04h
Class code
Revision ID
08h
BIST
Header type
Latency timer
Cache line size
0Ch
OHCI registers base address
10h
TI extension registers base address
14h
Reserved
18h
Reserved
1Ch
Reserved
20h
Reserved
24h
Reserved
28h
Subsystem ID
Subsystem vendor ID
2Ch
Reserved
30h
Reserved
PCI power
management
capabilities pointer
34h
Reserved
38h
Maximum latency
Minimum grant
Interrupt pin
Interrupt line
3Ch
PCI OHCI control register
40h
Power management capabilities
Next item pointer
Capability ID
44h
PM data
PMCSR_BSE
Power management CSR
48h
Reserved
4Ch–ECh
PCI miscellaneous configuration register
F0h
Link_Enhancements register
F4h
Subsystem ID alias
Subsystem vendor ID alias
F8h
GPIO3
GPIO2
Reserved
FCh
3.2
Vendor ID Register
The vendor ID register contains a value allocated by the PCI SIG and identifies the manufacturer of the PCI device.
The vendor ID assigned to Texas Instruments is 104Ch.
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Name
Vendor ID
Type
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Default
0
0
0
1
0
0
0
0
0
1
0
0
1
1
0
0
Register:
Vendor ID
Type:
Read-only
Offset:
00h
Default:
104Ch