2 fru command, Fru comm, U-boot usage am4150 u-boot bootloader – Kontron AM4150 U-Boot Bootloader User Manual
Page 16
U-Boot Usage
AM4150 U-Boot Bootloader
Page 16
ID 1052-5678, Rev. 1.0
P R E L I M I N A R Y
3.2
fru Command
fru
FUNCTION:
Provides read/write access to the board’s FRU repository as well as
displaying FRU data
SYNTAX:
fru info
read
write
where:
fru
command
info
option:
displays FRU data for
parameter: hexadecimal
<0, 1, … n>
identification number of FRU device for option speci-
fied
read
option:
reads FRU data for
parameter: hexadecimal
<[x … ]x>
address where data is to be stored or read from
parameter: hexadecimal
<[x … ]x>
length of data in bytes to be read or written
write
option:
writes FRU data to
DESCRIPTION:
This command can be used to display basic information about the FRU
repository, read out the repository content to RAM, and, if required, to
update the contents of the FRU repository.
WARNING!
Writing incorrect FRU data to the FRU repository can result in an
inoperable board (E-Keying information incorrect). Users requiring
modification to the board’s FRU data are requested to contact Kontron
for assistance before making any changes.
USAGE:
Query FRU data for FRU 0
COMMAND / RESPONSE:
=> fru info 0
FRU 0 size is 0x1000 bytes
=>