2 board control registers, 1 board id register, 2 software compatibility id – Kontron VMP3 User Manual
Page 64: 2 board control registers - 4, Board id register - 4, Software compatibility id - 4, Configuration vmp3
Configuration
VMP3
Page 4 - 4
© 2005 Kontron Modular Computers GmbH
ID 29230, Rev. 01
29230
.01.UG.VC.050727/091434
P R E L I M I N A R Y
4.2
Board Control Registers
The Board Control registers may be accessed through byte-wide read and write operations.
4.2.1
Board ID Register
The Board ID is used to identify the VMP3 in a E²Brain™ system. The value for the VMP3 is
0x45 which is factory set and cannot be changed.
4.2.2
Software Compatibility ID
The Software Compatibility ID will signal to the software when differences in hardware require
different handling by the software. It starts with the value 0x00 and will be incremented with
each change in hardware (software sensitive only). This register is set at the factory and is for
use only by the boot strap loader “NetBootLoader” and the BSP software, and, as such, is not
user relevant.
Table 4-2: Board ID Register
REGISTER NAME
BOARD ID
ACCESS
ADDRESS
0xFFFF A000
R
BIT POSITION
MSB
7
6
5
4
3
2
1
0
LS
B
CONTENT
BID7
BID6
BID5
BID4
BID3
BID2
BID1
BID0
DEFAULT
0
1
0
0
0
1
0
1
Table 4-3: Software Compatibility ID
REGISTER NAME
SOFTWARE COMPATIBILITY ID
ACCESS
ADDRESS
0xFFFF A001
R
BIT POSITION
MSB
7
6
5
4
3
2
1
0
LS
B
CONTENT
SC7
SC6
SC5
SC4
SC3
SC2
SC1
SC0
DEFAULT
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a