Table 5-3, Content for id eeprom, U-boot deployment – Artesyn COMX-P2020 BSP User Guide (July 2014) User Manual
Page 51
U-boot Deployment
COMX-P2020 BSP User Guide (6806800L84B)
51
The ID EEPROM is used to store serial number, MAC address etc. The I2C address for ID EEPROM
is 0xA0(8 bit). The content of ID EEPROM is list as below:
Table 5-3 Content for ID EEPROM
Address
Name
Length
Value/Example
Description
Static/Variable
0x00-0x03
Tag ID
4 Byte
NXID
EEPROM Tag, Format
Always the four ISO-
8859 characters "NXID"
with no null
termination.
Static
0x04 - 0x0F
Serial Number
12 Byte
"12345678901\0
"From 1 to 11 ISO-8859
characters describing
the module family, null
terminated.
Variable
0x10 - 0x14
Errata Level
5 Byte
"1234
"From 1 to 4 ISO-8859
characters describing
the module family, null
terminated.
Variable
0x15 - 0x1A
Build Data
6 Byte
10h 10h 18h 09h
02h 55h
Means:
2010/10/18
09:02:55
BCD date values, as
YYMMDDhhmmss
Variable
0x1B
Reserved
1 Byte
Reserved
Static
0x1C- 0x1F
NXID Version
4 Byte
00h 00h 00h 00h
32bit NXID version
Static
0x20 - 0x3F
Reserved
20 Byte
Reserved
Static
0x40
MAC Number
1 Byte
03h
MAC number
Static
0x41
Reserved
1 Byte
Reserved
Static
0x42 - 0x47
MAC Address 1
6 Byte
00h 21h 79h b5h
1eh d8h
Means:
00:21:79:b5:1e:d8
MAC Address for
eTSEC1
Variable
0x48 - 0x4D
MAC Address 2
6 Byte
00h 21h 79h b5h
1eh d9h
Means:
00:21:79:b5:1e:d9
MAC Address for
eTSEC2
Variable