OX9162
OXFORD SEMICONDUCTOR LTD.
4.2.1 PCI Configuration Space Register map
Configuration Register Description
Offset
Address
00h
31
16
15
0
Device ID
Status
Vendor ID
Command
04h
Class Code
Header Type
Base Address Register 0 (BAR0) - Function in I/O space
Base Address Register 1 (BAR 1) - Function in I/O space
Revision ID
Reserved
08h
0Ch
10h
BIST1
Reserved
14h
Base Address Register 2 (BAR 2) – Local Configuration Registers in IO space
18h
Base Address Register 3 (BAR3) – Local Configuration Registers in Memory space
1Ch
20h
Base Address Register 4 (BAR4) – Function in Memory Space
Reserved
Reserved
24h
28h
Subsystem ID
Subsystem Vendor ID
Cap_Ptr
2Ch
30h
34h
Reserved
Reserved
Reserved
38h
Reserved
Reserved
Interrupt Pin
Next Ptr
Interrupt Line
Cap_ID
3Ch
40h
Power Management Capabilities (PMC)
Reserved
Reserved
PMC Control/Status Register (PMCSR)
44h
Table 2: PCI Configuration space
Register name
Reset value
Parallel Port
0x1415
Program read/write
Local Bus
Vendor ID
Device ID
Command
Status
W
W
R
R
0x8401
0x8403
0x0000
0x0290
-
R/W
R/W
R
R
R
R/W
R/W
R/W
R/W
R/W
R
W(bit 4)
Revision ID
Class code
Header type
BAR 0
BAR 1
BAR 2
BAR 3
BAR 4
Subsystem VID
Subsystem ID
Cap ptr.
0x00
-
W
-
-
-
-
-
-
0x068000
0x070103
0x00
0x00000001
0x00000001
0x00000001
0x00000000
Reserved
0x1415
0x00000000
W
W
-
0x0001
0x40
R
R
Interrupt line
Interrupt pin
Cap ID
0x00
0x01
0x01
-
W
-
R/W
R
R
Next ptr.
0x00
-
R
PM capabilities
PMC control/
status register
0x6C01
0x0000
W
-
R
R/W
Table 3: PCI configuration space default values
Data Sheet Revision 1.1 PRELIMINARY
Page 10
OXFORD [ OXFORD SEMICONDUCTOR ]
