Kontron AM4150 U-Boot Bootloader Manual do Utilizador descarregar pdf (Página 18)

U-Boot Usage AM4150 U-Boot Bootloader

Page 18 ID 1052-5678, Rev. 1.0

P R E L I M I N A R Y

3.3 fwum Command

fwum

FUNCTION: Provides functions for managing and updating the module’s MMC

firmware

SYNTAX: fwum info|…

status|…

upgrade <address> <size>|…

rollback

where:

fwum command

info option:

displays information concerning “fwum” services

status option:

displays information concerning the status of “fwum”

services

upgrade option:

updates MMC firmware using parameters as specified

by <address> and <size>

<address> parameter: hexadecimal

<[x … ]x>

address in RAM where data is to be read from

<size> parameter: hexadecimal

<[x … ]x>

length of data in bytes to be read

rollback option:

executes manual rollback to previous firmware version

DESCRIPTION: This command can be used to:

1. Info - show information about FWUM service present on IPMI

firmware

2. Status - show current status of firmware banks

3. Upgrade - download pointed firmware into MMC and initiate firmware

upgrade procedure

4. Rollback - initiate manual firmware rollback to switch back to

previously used firmware

WARNING!

Users requiring modification to the MMC’s firmware are requested to

contact Kontron for assistance before making any changes.

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