Kontron AM4140 U-Boot Bootloader Manual de usuario descargar pdf (Pagina 16)

U-Boot Usage AM4140 U-Boot Bootloader

Page 16 ID 1052-0281, 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 <FRU nr>|…

read <FRU nr> <address> <size>|…

write <FRU nr> <address> <size>

where:

fru command

info option:

displays FRU data for <FRU nr> specified

<FRU nr> parameter: hexadecimal

<0, 1, … n>

identification number of FRU device for option speci-

fied

read option:

reads FRU data for <FRU nr> specified

<address> parameter: hexadecimal

<[x … ]x>

address where data is to be stored or read from

<size> parameter: hexadecimal

<[x … ]x>

length of data in bytes to be read or written

write option:

writes FRU data to <FRU nr> specified

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

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 45 46

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Kontron AM4140 U-Boot Bootloader Manual de usuario Pagina 16