Kontron AM4140 U-Boot Bootloader - Manual (Page 21)

AM4140 U-Boot Bootloader U-Boot Usage
ID 1052-0281, Rev. 1.0 Page 21
P R E L I M I N A R Y
3.5 kcs Command
kcs
FUNCTION: Provides capability for transmitting raw IPMI commands from the pay-
load CPU to the MMC and displaying response from the MMC
SYNTAX: kcs raw [lun <lun>] <NetFn> <CMD> [Request Data
Bytes]|…
mcinfo
where:
kcs command
raw option:
send raw data over KCS interface
lun option:
if present: set up desired lun number of mes-
sage to send to MMC
if absent: lun is assumed to be 0
<lun> parameter: hexadecimal
parameter range: <0, 1, 2, 3>
<NetFn> parameter: hexadecimal
<[x … ]x>
<CMD> parameter: hexadecimal
Request Data Bytes parameter: hexadecimal:
1 ... n bytes (space as delimiter between bytes)
command parameters
mcinfo option:
show result of the “Get Device ID” IPMI OEM
command in human-readable format
DESCRIPTION: This command can be used to send IPMI commands in raw form to the
MMC over the KCS interface and print response.
WARNING!
As “ipmi raw” functions provide access to the majority of MMC
functionality, care must be exercised when invoking raw commands.
Improper use may cause the board to become inoperable (e.g. damage
to FRU data).