From: Adam Furmanczuk <afurmanczuk@knowtrek.com>
To: barebox@lists.infradead.org
Subject: Re: Raspberry Pi net boot using barebox.
Date: Tue, 23 Jul 2013 18:09:26 +0200 [thread overview]
Message-ID: <51EEAAB6.1020208@knowtrek.com> (raw)
In-Reply-To: <2b0f708c.5533168.51ee6577.50113@o2.pl>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Hello Dariusz,
> I find this thread while googling today:
> http://comments.gmane.org/gmane.comp.boot-loaders.barebox/4051
>
> I downloaded barebox package from official site and some
> cross-compilers from github/raspberry I configured barebox for ARM
> architecture and turned on menuconfig. Then I type make and press
> enter - and I noticed some new files in barebox directory same as
> those from this thread:
> http://www.raspberrypi.org/phpBB3/viewtopic.php?t=25087&p=230000
>
> I formated sd card with fat32 and copy on it 3 files same way like
> man from this post
> http://comments.gmane.org/gmane.comp.boot-loaders.barebox/4051 I
> downloaded loader.bin file and start.elf file from history (setp.
> 2012) version of raspberry firmware from github.
>
> Then i booted PI - but nothing happens - there was only rainbow on
> the screen all time.
>
> What should i do?
I have used Raspberry Pi for my bachelor thesis. What I wondered is
that GPU is used for boot process: "Is there a GPU binary? Yes. The
GPU binary also contains the first stage bootloader." [1]
There is this boot programm Video Core (VC). Thats the one that
resides in /opt/vc . As far as I know, that tool is resonsible for
boot and I can guess I would say second stage. But it is very
difficult to use this tool and GPU sepcifications were not public [2].
Maybe you find other images than the offical one, that use barebox as
default [3]?
I have heard many stories about Raspberry Pi foundation being set up
by Broadcom to make their devices popular. I do not remember the
sources. No offense to the guys from raspberry pi foundation.
Working with the bcm2835.c file to implement an SPI user-space modul I
got a similar impression. On LinuxTag 2013 in Berlin this plattform
has been criticized for not conforming to open hardware standards.
(The eagle files were hard to find).
If you find a solution nevertheless, I would be very much interested
as well.
Greetings,
Adam
[1] http://www.raspberrypi.org/faqs
[2] http://www.raspberrypi.org/phpBB3/viewtopic.php?f=72&t=34461
[3] http://raspberrypidiskimages.com/
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
iEYEARECAAYFAlHuqrUACgkQefEEI87R1DfdywCdHvQo0W9yKNo31I69Yt7WtUV6
atYAn19nKtWqJdq+XLAqOLtis/Iuz4nM
=N0Io
-----END PGP SIGNATURE-----
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
prev parent reply other threads:[~2013-07-23 16:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 11:13 dariusz.s93
2013-07-23 16:09 ` Adam Furmanczuk [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51EEAAB6.1020208@knowtrek.com \
--to=afurmanczuk@knowtrek.com \
--cc=barebox@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox