SMART Embedded Computing COMX-P2020 BSP User Manual page 55

Table 5-4
Address
0x48-0x4F
0x50-0x57
0x58-0x7F
0x80-0x9F
0xA0-0xFB Reserved
0xFC-0xFF CRC32
 Chip probe:
=> i2c dev 0
Setting bus to 0
=> i2cswitch connect 0
=> i2c probe
Valid chip addresses: 38 50 54 70
Excluded chip addresses: 29
=>
The following command can be used to program the Board EEPROM:
 Set Tag value:
brd id
 Set the process family:
brd pf P2020
COMX-P2020 BSP User Guide (6806800L84C)
Content for Board EEPROM (continued)
Name Length
Module
8 Bytes
Errata
Memory
8 Bytes
Size
Module
Description 40 Bytes
String
Manufactur
32 Bytes
er String
92 Bytes
4 Bytes
Value/
Description
Example
"From 1 to 7 ISO-8859
characters describing the
"00\0
module errata level, null
terminated
"From 1 to 7 ISO-8859
characters describing the
"2048\0
memory size in Megabytes
null terminated.
Example:
"ComExpress "Module Description String,
module on null terminated
P2020(1.2GHz)\0
"Emerson Network "Module Manufacturer
Power\0 String, null terminated
Reserved for future use.
For example:
Checksum (version >=1)
00h a0h 14h 10h
32 bit CRC of values 0x00
Means the CRC is:
through 0xFB, inclusive
0x00A01410
U-boot Deployment
Static/
Variable
Variable
Variable
Static
Static
Static
Variable
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