Artesyn COMX-P2020 BSP User Guide (July 2014) - 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