4 board eeprom (at24c02), Table 5-4, Content for board eeprom – Artesyn COMX-P2020 BSP User Guide (July 2014) User Manual
Page 53: U-boot deployment
U-boot Deployment
COMX-P2020 BSP User Guide (6806800L84B)
53
Save the seeting to the ID EEPROM:
mac save
Programming passed.
Show the setting of the ID EEPROM:
mac
ID: NXID v0
SN: 12345678901
Errata: 1234
Build date: 2010/04/30 16:50:00
Eth0: 00:05:9f:ff:a1:01
Eth1: 00:05:9f:ff:a1:02
Eth2: 00:05:9f:ff:a1:03
CRC: 5a314c3d
5.4.4
Board EEPROM (AT24C02)
The I2C address for Board EEPROM is 0xA8(8 bit), and it is used to store the information of
processor family, module family and board configuration etc. The content of Board EEPROM is
list as below:
Table 5-4 Content for Board EEPROM
Address
Name
Length
Value/Example
Description
Static/ Variable
0x00 - 0x03
Tag ID
4 Byte
"COMX
"EEPROM Tag, Format
Always the four ISO-8859
characters "COMX" with no
null termination.
Static
0x04 - 0x0F
Reserved
12 Bytes
Reserved.
Static
0x10 - 0x1F
Processor Family 16 Bytes
"P2020\0
"From 1 to 15 ISO-8859
characters describing the
processor family, null
terminated.
Static
0x20-0x27
Processor
Version
8 Bytes
"B\0
"From 1 to 7 ISO-8859
characters describing the
processor version, null
terminated
Variable