Bios upgrade

[CS20 CTCchien]

Hi Vijay,

You could build a host daemon and a ipmi library on BMC from phosphor-ipmi-flash
Here is the link I implement BIOS upgrade on my system
https://github.com/Nuvoton-Israel/openbmc/tree/runbmc/meta-phosphor/nuvoton-layer/recipes-phosphor/ipmi.

You need to prepare a BIOS image and a signature file for this BIOS
After you execute the command on host, ipmid in BMC will launch a script to upgrade BIOS.

For example,
sudo  ./burn_my_bmc --command update --interface ipmipci --image BIOS.img --sig BIOS.img.sig --type static


B.R.
Medad
From: Vijay Khemka <vijaykhemka at fb.com>
Sent: Tuesday, December 17, 2019 8:16 AM
To: OpenBMC Maillist <openbmc at lists.ozlabs.org>
Subject: Bios upgrade

Hi,
I am looking for bios upgrade from BMC. I looked at phosphor-ipmi-flash but
couldn’t figure out how to use this for bios upgrade. I checked few old mails
where oskar was asking about using user space application instead of kernel.
Can anyone please give steps to use any existing kernel driver or user space
Application for upgrading host firmware.

Regards
-Vijay
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