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From: Fabien Germain <fabien.germain@gmail.com>
Date: Fri, 6 Mar 2015 01:17:40 +0100
Message-ID: <CADKdscKVg9Z6Fuw02yGQ0reyZhdFgZ_3O2QFyUK8cXhsQRq2ow@mail.gmail.com>
Subject: Re: [alpine-devel] Raspberry Pi 2 model B
To: Timo Teras <timo.teras@iki.fi>
Cc: alpine-devel <alpine-devel@lists.alpinelinux.org>
Content-Type: multipart/alternative; boundary=089e011848ecfff59a0510939daf

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Hi,

On Thu, Mar 5, 2015 at 7:07 AM, Timo Teras <timo.teras@iki.fi> wrote:

> > Whereas Alpine Linux works great on Raspberry Pi B+, it does not seem
> > to boot (black screen) with the new Raspberry Pi 2 :-( The main
> > difference with old model is the CPU : single 700MHz ARM11 --> 900MHz
> > quad-core ARM Cortex-A7 (more details :
> > http://www.raspberrypi.org/raspberry-pi-2-on-sale/ ).
>
> It's completely different CPU, with different peripherals. So it'll
> require kernel support. We will need to pull in the kernel support
> adjust kernel config, and see if any changes to boot sequence are
> needed. Likely it's just matter of fixing kernel.
>

Yes, indeed : Replacing bootcode.bin, fixup.dat and start.elf with latest
versions from https://github.com/raspberrypi/firmware/tree/master/boot
didn't help booting :-(
Only CPU was changed (and 512 more Mb of RAM), as far as I know all the
hardware is the same.


The userland is compatible though. So this is not too complicated issue.
>

Good news :-)


> Has anyone else tried, and got more success with it ? Is there
> > anything I could try ? I have RPI B, RPI B+ and RPI 2 to make
> > tests :-)
>
> I just need a RPI2 to test with. I'll probably going to get one at some
> point.
>

If there is anything I can do to help...

Fabien

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<div dir=3D"ltr">Hi,<br><br><div class=3D"gmail_extra"><div class=3D"gmail_=
quote">On Thu, Mar 5, 2015 at 7:07 AM, Timo Teras <span dir=3D"ltr">&lt;<a =
href=3D"mailto:timo.teras@iki.fi" target=3D"_blank">timo.teras@iki.fi</a>&g=
t;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span=
 class=3D"">
&gt; Whereas Alpine Linux works great on Raspberry Pi B+, it does not seem<=
br>
&gt; to boot (black screen) with the new Raspberry Pi 2 :-( The main<br>
&gt; difference with old model is the CPU : single 700MHz ARM11 --&gt; 900M=
Hz<br>
&gt; quad-core ARM Cortex-A7 (more details :<br>
&gt; <a href=3D"http://www.raspberrypi.org/raspberry-pi-2-on-sale/" target=
=3D"_blank">http://www.raspberrypi.org/raspberry-pi-2-on-sale/</a> ).<br>
<br>
</span>It&#39;s completely different CPU, with different peripherals. So it=
&#39;ll<br>
require kernel support. We will need to pull in the kernel support<br>
adjust kernel config, and see if any changes to boot sequence are<br>
needed. Likely it&#39;s just matter of fixing kernel.<br></blockquote><div>=
<br></div><div>Yes, indeed : Replacing bootcode.bin, fixup.dat and start.el=
f with latest versions from <a href=3D"https://github.com/raspberrypi/firmw=
are/tree/master/boot">https://github.com/raspberrypi/firmware/tree/master/b=
oot</a> didn&#39;t help booting :-(<br>Only CPU was changed (and 512 more M=
b of RAM), as far as I know all the hardware is the same.<br><br><br></div>=
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">
The userland is compatible though. So this is not too complicated issue.<br=
></blockquote><div><br></div><div>Good news :-)<br><br><br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px s=
olid rgb(204,204,204);padding-left:1ex">
<span class=3D"">&gt; Has anyone else tried, and got more success with it ?=
 Is there<br>
&gt; anything I could try ? I have RPI B, RPI B+ and RPI 2 to make<br>
&gt; tests :-)<br>
<br>
</span>I just need a RPI2 to test with. I&#39;ll probably going to get one =
at some<br>
point.<br></blockquote><div><br></div><div>If there is anything I can do to=
 help...<br><br></div><div>Fabien <br></div></div><br></div></div>

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