Artesyn COMX-P2020 BSP User Guide (July 2014) - Manual (Page 52)

U-boot Deployment
COMX-P2020 BSP User Guide (6806800L84B) 52
 Chip probe:
i2c dev 0
Setting bus to 0
i2c probe
Valid chip addresses: 50 70
Excluded chip addresses: 29
=>
The following command can be used to program the ID EEPROM:
 Set Tag value:
mac id
 Program system serial number, for example: 12345678901
mac n 12345678901
 Program errata data, for example: 1234
mac e 1234
 Set program date, for example: 2010-4-30 16:50:50
mac d 100430165000
 Program the number of ports:
mac p 3
 Program the MAC address for port X [X=0...2], for example:
mac 0 00:05:9f:ff:91:01
mac 1 00:05:9f:ff:91:02
mac 2 00:05:9f:ff:91:03
0x4E - 0x53 MAC Address 3 6 Byte 00h 21h 79h b5h
1eh dah
Means:
00:21:79:b5:1e:da MAC Address for
eTSEC3 Variable
0x54 - 0x71 Reserved 30 Byte Reserved Static
0x72 - 0x75 CRC32 4 Byte 00h a0h 14h 10h
Means the CRC is:
0x00A01410 32 bit CRC of values
0x00 through 0x71,
inclusive Variable
0x76 - 0xFF Reserved 138 Byte Reserved Static
Table 5-3 Content for ID EEPROM (continued)
Address Name Length Value/Example Description Static/Variable