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Date:      Wed, 7 Nov 2012 18:09:40 +0200
From:      Alexander Yerenkow <yerenkow@gmail.com>
To:        Tim Kientzle <kientzle@freebsd.org>
Cc:        FreeBSD Hackers <hackers@freebsd.org>
Subject:   Re: FreeBSD on RaspberryPi
Message-ID:  <CAPJF9w=-pgVsz3JkKcwq7ZRYUNKUdFdEvU0fZZzZrVxTRpLW3w@mail.gmail.com>
In-Reply-To: <31C904E6-F230-4187-AE32-F9A7B1A7C38E@freebsd.org>
References:  <31C904E6-F230-4187-AE32-F9A7B1A7C38E@freebsd.org>

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Such experiments was tried by me and others in August; I got framebuffer
worked in rca/hdmi; usb not saw any of my mices/keyboards; ethernet worked,
but produced hangs ( which render device useless).I hope this help :)

Regards, Alexander Yerenkow
07.11.2012 18:01 =D0=CF=CC=D8=DA=CF=D7=C1=D4=C5=CC=D8 "Tim Kientzle" <kient=
zle@freebsd.org> =CE=C1=D0=C9=D3=C1=CC:

> WARNING:  This is still highly experimental and by no
> means ready for "production use", but some folks might
> find it interesting.
>
> To boot FreeBSD on your RaspberryPi, you'll need:
>   1) A RaspberryPi.
>   2) A serial cable similar to this one:  www.adafruit.com/products/954
>   3) An SD card of 2GB or larger
>
> Download this 111MB file (~1.6G uncompressed):
>
> http://people.freebsd.org/~kientzle/FreeBSD-RPI-B-r242362-2012-10-30.img.=
xz
>
> Uncompress it, dd it onto your SD card, pop it in and apply power.
> (The serial cable above can also provide power; just leave the red
> lead disconnected until you get the SD card plugged in.)
>
>
> KNOWN BROKEN STUFF
>
>   * There's no framebuffer/syscons yet.  Hence the need for a serial cabl=
e.
>
>   * The memory is mis-probed (actually a boot loader problem,
>      not a FreeBSD kernel issue), so you'll only get to use 128MB
>      (you might be able to change this for a single boot by breaking
>      into ubldr and editing the FDT by hand)
>
>   * There has been NO attempt to reduce the footprint of this image.
>     It's a completely stock build of FreeBSD-CURRENT.
>     (Actually, I have turned off sendmail and a few other things in
> rc.conf,
>     but compensated by building world with full debug enabled.)
>
>   * I've personally not tried USB or Ethernet and have no idea if they
> work.
>
>
> HOW TO BUILD YOUR OWN IMAGE
>
> The script I used to build this image is at:
>    github.com/kientzle/freebsd-beaglebone
> (It was originally developed for BeagleBone.)
>
>
> Enjoy!
>
>
>
> Boot message (edited for length):
>
>
> DRAM:  128 MiB
> WARNING: Caches not enabled
> MMC:   bcm2835_sdh: 0
> Using default environment
>
> In:    serial
> Out:   serial
> Err:   serial
> Net:   Net Initialization Skipped
> No ethernet found.
> Hit any key to stop autoboot:  0
> reading uEnv.txt
>
> 74 bytes read
> Importing environment from mmc ...
> reading ubldr
>
> 728201 bytes read
> ## Starting application at 0x02000054 ...
> Consoles: U-Boot console
> Compatible API signature found @7b75220
> Number of U-Boot devices: 1
>
> FreeBSD/armv6 U-Boot loader, Revision 1.2
> (root@fci386.localdomain, Wed Nov  7 01:54:47 PST 2012)
> DRAM:    128MB
>
> Device: disk
> -
> /boot/kernel/kernel data=3D0x300238+0x1ec7c syms=3D[0x4+0x70f80+0x4+0x56d=
3c]
> Hit [Enter] to boot immediately, or any other key for command prompt.
> Booting [/boot/kernel/kernel]...
> fdt_start: 0x003DC138
> fdt_reg_valid():  reg#0 (start: 0x0 size: 0x8000000) valid!
> Kernel entry at 0x100100...
> Kernel args: (null)
>
>  ...
>
> Copyright (c) 1992-2012 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 10.0-CURRENT #3: Wed Nov  7 04:23:11 PST 2012
>     root@fci386.localdomain:/usr/obj/arm.armv6/usr/src/sys/RPI-B arm
> CPU: Sheeva 88SV581x rev 7 (Marvell core)
>  Supported features: ARM_ISA THUMB2 JAZELLE ARMv4 Security_Ext
>  WB enabled LABT branch prediction enabled
>   16KB/32B 4-way instruction cache
>   16KB/32B 4-way write-back-locking-C data cache
> real memory  =3D 134217728 (128 MB)
> avail memory =3D 125685760 (119 MB)
>
>   ...
>
> FreeBSD/arm (raspberry-pi) (ttyu0)
>
> login: root
> FreeBSD 10.0-CURRENT (RPI-B) #3: Wed Nov  7 04:23:11 PST 2012
>
> Welcome to FreeBSD!
>
>   ...
>
> root@raspberry-pi:/root # top
>
> last pid:   490;  load averages:  0.63,  0.30,  0.12    up 0+00:01:32
>  12:47:50
> 7 processes:   1 running, 6 sleeping
> CPU:  0.4% user,  0.0% nice,  0.8% system,  2.3% interrupt, 96.5% idle
> Mem: 59M Active, 7312K Inact, 8136K Wired, 10M Buf, 47M Free
> Swap:
>
>   PID USERNAME  THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
>   488 root        1  16    0 10808K 10280K pause    0:00  5.27% csh
>   490 root        1  41    0 10940K 10080K RUN      0:00  4.84% top
>   487 root        1   8    0 10980K 10164K wait     0:00  4.31% login
>   484 root        1  -8    0  9848K  9596K piperd   0:00  0.67% logger
>   452 root        1  42    0 14724K  2208K select   0:00  0.00% sshd
>   486 root        1   8    0  1656K  1396K nanslp   0:00  0.00% sleep
>   483 root        1   8    0 10416K  1128K wait     0:00  0.00% sh
>
>
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