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

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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

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