linux-kernel - Re: [GIT PULL linux-firmware.git] OLPC libertas firmware blobs

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Date:	Mon, 20 Jun 2011 23:47:13 -0500
From:	Dan Williams <dcbw@...hat.com>
To:	Daniel Drake <dsd@...top.org>
Cc:	Andres Salomon <dilinger@...ued.net>,
	David Woodhouse <dwmw2@...radead.org>, cjb@...top.org,
	linux-kernel@...r.kernel.org, libertas-dev@...ts.infradead.org
Subject: Re: [GIT PULL linux-firmware.git] OLPC libertas firmware blobs

On Sun, 2011-06-19 at 10:41 +0100, Daniel Drake wrote:
> On 19 June 2011 05:42, Andres Salomon <dilinger@...ued.net> wrote:
> >>  LICENCE.OLPC                 |   33 +++++++++++++++++++++++++++++++++
> >>  WHENCE                       |   20 ++++++++++++++++++++
> >>  libertas/lbtf_sdio.bin       |  Bin 0 -> 120924 bytes
> >>  libertas/lbtf_usb.bin        |  Bin 0 -> 118888 bytes
> >>  libertas/sd8686_v9_OLPC.bin  |  Bin 0 -> 124244 bytes
> >>  libertas/usb8388_v5_OLPC.bin |  Bin 0 -> 127824 bytes
> >
> > Of course, if people would prefer the OLPC version to supersede the
> > ones currently in the linux-firmware tree, I can do that instead.  I
> > don't know what versions of sd8686.bin and usb8388.bin are actually in
> > the tree.  I also don't know if the OLPC versions improve or make things
> > worse for people using those chips on non-OLPC systems.
> 
> This overlaps with a submission I made the other day (of usb8388
> firmware), sorry for the lack of coordination there.
> 
> I don't think the OLPC hardware has any quirks or special features
> that mean it requires special firmware.
> 
> However, for the usb8388 we do use a special firmware developed by
> Cozybit (not Marvell), the one you submitted, which has its own
> versioning scheme. The main difference is that it includes mesh
> support. I am pretty sure it would run on any usb8388 but OLPC is the
> only user of the hardware anyway. See
> http://lists.infradead.org/pipermail/libertas-dev/2010-November/003330.html
> and the rest of the discussion.
> 
> As for sd8686, I thought our firmware was standard, from Marvell, and
> simply a newer version of what is in linux-firmware. Do you have
> reason to believe otherwise?

For usb8388 I don't think we really care which firmware is default since
OLPC was about the only consumer of that chip that I've ever heard of.

For the other firmware I periodically trawled Marvell's Extranet and
grabbed latest firmware from there.  If you guys have a newer micro
version of the firmware then great, push it.  Latest I have access to
for 8686 is SD-8686-FEDORA26FC6-SYSKT-9.70.20.p0-26409.p64 so if you've
got something newer great.

Dan


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