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2 board eeprom, Bsp operations – Artesyn COMX-P4080 Installation and Use (August 2014) User Manual

Page 100

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BSP Operations

COMX-P4080 COM Express Module Installation and Use (6806800L20C)

100

The following are usage examples:

mac id

mac num E017D99

mac errata 0

mac date 101021120000

mac ports 1

mac 0 00:80:42:05:49:d4

mac save

7.13.2 Board EEPROM

I2C EEPROM (U2001) AT24C02) is used as BOARD EEPROM, located on I2C<1>. The COMX-
P4080 uses BOARD EEPROM to store information about the board’s processor family, module
family and configuration, among others. Boot up message in U-Boot will appear as "EEPROM:
COMX".

The U-Boot provides "brd" utilities to display and program the data in BOARD EEPROM.

mac errata

Programs errata data

mac date

Programs date

mac ports

Programs the number of ports

mac X

Programs the MAC address for port X [X=0...7]

brd [read|save|id|pf|pv|pe|mf|mv|me|ms|md|ma]

read

Shows content of EEPROM

brdsave

Saves to the EEPROM

brd id

Programs board id

brd pf

Programs processor family

brd pv

Programs processor version

brd pe

Programs processor errata