Registers
http://www.motorola.com/computer/literature 2-41
2
CLASS Class Code. This register identifies Raven as the following:
Header Type Register
HEADER Header Type. This register identifies Raven as the following:
I/O Base Register
This register controls the mapping of the MPIC control registers in PCI I/O
space.
Base Class Code $06 PCI Bridge Device
Subclass Code $00 PCI Host Bridge
Program Class Code $00 Not Used
Offset $0C
Bit 3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Name HEADER
Operation RRRR
Reset $00 $00 $00 $00
Header Type $00 Single Function Configuration Header
Offset $10
Bit 3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Name IOBASE
IOBA
RES
IO/MEM
Operation R/W R
R
R
Reset $0000 $0000
0
1