Motorola MVME2300 Series - Manual (Page 122)

2-52 Computer Group Literature Center Web Site
Raven PCI Bridge ASIC
2
Revision ID/ Class Code Registers
REVID Revision ID. Identifies the Raven revision level. This
register is duplicated in the MPC registers.
CLASS Class Code. Identifies the Raven as follows:
Base Class Code $06 PCI Bridge Device
Subclass Code $00 PCI Host Bridge
Program Class Code $00 Not Used
I/O Base Register
This register controls the mapping of the MPIC control registers in PCI I/O
space.
IO/MEM IO Space Indicator. This bit is hard-wired to a logic 1 to
indicate PCI I/O space.
Offset $08
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 9 8 7 6 5 4 3 2 1 0
Name CLASS REVID
Operation R R
Reset $060000 $02
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 9 8 7 6 5 4 3 2 1 0
Name IOBASE
IOBA
RES IO/M
EM
Operation R/W R
R R
Reset $0000 $0000
0 1