linux-kernel - Re: [PATCH v2 0/8] OLPC 1.75 Keyboard/Touchpad fixes

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Date:   Wed, 31 Oct 2018 10:54:30 +1100
From:   James Cameron <quozl@...top.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Lubomir Rintel <lkundrak@...sk>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Stephen Boyd <sboyd@...nel.org>, linux-input@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH v2 0/8] OLPC 1.75 Keyboard/Touchpad fixes

G'day Pavel,

On Tue, Oct 30, 2018 at 11:26:10AM +0100, Pavel Machek wrote:
> Hi!
> 
> > > https://github.com/hackerspace/olpc-xo175-linux/wiki/How-to-run-an-up-to-date-Linux-on-a-XO-1.75
> > > 
> > > I didn't test it yet -- will do when I get home in the evening. But
> > > chances are it's good enough and I guess you'd be able to get it
> > > working even if I messed up some details.
> 
> Instruction say make, but you really need to do make zImage and make
> mmp2-olpc-xo-1-75.dtb .
> 
> Instructions say "make -j", which is nice way to crash a machine. I
> suggest "make -j 8" :-).
> 
> Ok, I think I followed the instructions. I am using empty root
> filesystem, just with /boot -- want to see kernel messages first
> before I mess with the userland.
> 
> But I don't get kernel messages during boot:
> 
> OLPC 1B1, 512 MiB memory...
> OpenFirmware Q4C02 EC Frimware 0.3.02
> 
> Type any key to interrupt...
> (but keys do not interrupt anything, ouch).
> Warning... partition type is 0xb...
> Boot device: /usb/disk:\boot\olpc.fth Arguments:
> Boot device ....
> Warning... partition type is 0xb...

That firmware has problems with USB drives.  Please upgrade to Q4D38.
Quickest tested method is http://wiki.laptop.org/go/Upgrading_firmware

I'm firmware releaser and signer.

> And that's it, cursor and no kernel messages.
> 
> Any ideas?
> 
> Could I get prepared binary zImage for testing?
> 
> Thanks,
> 									Pavel
> -- 
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html



-- 
James Cameron
http://quozl.netrek.org/