Re: Peripheral FW capsule delivery?

[Brad Bozarth <brad@sensel.com>]

Thank you Mike! This is kind of what I thought, but wasn't sure if I was
missing something. I will let you know if I come across any standard.
-Brad

On Tue, Feb 5, 2019 at 2:58 PM Kinney, Michael D <michael.d.kinney@intel.com>
wrote:

> Hi Brad,
>
> In order to update a FW storage device in UEFI, a UEFI driver
> that produces the Firmware Management Protocol is required.
>
> There are some protocols to access I2C devices, so the
> implementation of the Firmware Management Protocol for
> an I2C device can use the I2C protocols to perform the
> I2C transactions to update the FW storage device on that
> I2C device.
>
> I am not aware of a standard for updating firmware devices
> on I2C busses, so a new UEFI Driver would be required.
>
> Please let me know if there is a public standard for
> this operation that I am not aware of.
>
> Thanks,
>
> Mike
>
>
>
> > -----Original Message-----
> > From: edk2-devel [mailto:edk2-devel-
> > bounces@lists.01.org] On Behalf Of Brad Bozarth
> > Sent: Tuesday, February 5, 2019 11:07 AM
> > To: edk2-devel@lists.01.org
> > Subject: Re: [edk2] Peripheral FW capsule delivery?
> >
> > I would really appreciate a small pointer on this -
> > yes/no on if is a
> > standard peripheral fw delivery buit-in, and maybe a
> > pointer to a doc or
> > source code directory to take a look at?
> >
> > Thank you,
> > Brad
> >
> > On Tue, Jan 29, 2019 at 4:54 PM Brad Bozarth
> > <brad@sensel.com> wrote:
> >
> > > Hi!
> > >
> > > I am implementing firmware for a touchpad that will
> > be going into a
> > > laptop, connected via i2c. We would like to take
> > advantage of the UEFI
> > > firmware capsule delivery method for firmware updates
> > if possible. I am
> > > struggling to find out how to do this. In particular,
> > I'd like to know
> > > whether there is a "standard" delivery mechanism we
> > can take advantage of
> > > and communicate with from the firmware side over i2c,
> > or if we need to
> > > write UEFI driver code of some sort to pass the
> > update down. We'd love to
> > > leverage a standard pipe that dumps an update over
> > i2c if possible and
> > > implement what we need to on the firmware side. We
> > are supplying our
> > > touchpad to the laptop OEM and they are distant and
> > have their own software
> > > teams, so if we need to write UEFI code, it
> > complicates matters!
> > >
> > > This is the page that I'd love to read, if it were
> > filled out :)
> > > https://github.com/mdkinney/edk2/wiki/Capsule-Based-
> > Device-Firmware-Update
> > >
> > > Thank you!
> > > Brad
> > >
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