Diff for /wikisrc/ports/evbarm/raspberry_pi.mdwn between versions 1.19 and 1.29

version 1.19, 2013/11/22 16:12:19 version 1.29, 2015/01/30 11:41:47
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 [[images/raspberrypi.jpg]]  [[images/raspberrypi.jpg]]
   
   [[!toc levels=2]]
   
 This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org).  This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org).
   
 <small>([Raspberry Pi image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license)</small>  <small>([Raspberry Pi image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license)</small>
   
 # Installation  # Installation
  - Use the latest HEAD/-current which builds for install   - You may use the rpi.img file created by an evbarm build - evbarm-earmv6hf is recommended.
    - As the Raspberry Pi port is still not part the stable release, you will want to use the     - The Raspberry Pi port will be part of the NetBSD 7 stable release,
      HEAD branch to download installation sets.       but you may want to use the HEAD branch for the latest development code.
    - You may use the rpi.img file created by an evbarm build - evbarm-earmv6hf is recommended, but this is not currently available on nyftp. For now, evbarm-earmhf is best.     - The automatic nightly builds can be found in the 'evbarm-earmv6hf/binary/gzimg/' directory under on [nyftp.netbsd.org](http://nyftp.netbsd.org/pub/NetBSD-daily/).
    - An example can be found in the 'evbarm-earmhf/binary/gzimg/' directory under releng.netbsd.org       - The HEAD/current build will be under HEAD/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/
      - On nyftp.netbsd.org/pub/NetBSD-daily/HEAD/YYYYMMDDHHMMZ (it will look like pub/NetBSD-daily/HEAD/201305220150Z)       - The stable build will be under netbsd-7/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/
        - For example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201412161700Z/evbarm-earmv6hf/binary/gzimg/
    - 'releasedir/evbarm/binary/gzimg/' if you run (for example) './build.sh -m evbarm -a earmv6hf -u release'     - 'releasedir/evbarm/binary/gzimg/' if you run (for example) './build.sh -m evbarm -a earmv6hf -u release'
      - <i>gunzip and dd</i> this img to your sd card.     - <i>gunzip and dd</i> this img to your sd card.
   
            dd if=rpi.img of=/dev/disk1             dd if=rpi.img of=/dev/disk1
   
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      updates and boot loader.       updates and boot loader.
    - Copy /boot/cmdline.txt to /boot/cmdline.txt.orig     - Copy /boot/cmdline.txt to /boot/cmdline.txt.orig
    - Edit /boot/cmdline.txt and add the '-s' flag to the end of the first line of text to boot into single-user mode.     - Edit /boot/cmdline.txt and add the '-s' flag to the end of the first line of text to boot into single-user mode.
    - Reboot, and at the prompt to enter the pathname of shell, press     - For the next steps, the root filesystem mustn't be mounted rw. So reboot, and at the prompt to enter the pathname of shell,
            return for the default (/bin/sh).       press return for the default (/bin/sh).
    - At the # prompt, type     - At the # prompt, type
   
         "disklabel -i ld0" and press return.          "disklabel -i ld0" and press return.
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  - [rpi firmware files](https://github.com/raspberrypi/firmware/tree/master/boot)   - [rpi firmware files](https://github.com/raspberrypi/firmware/tree/master/boot)
    - Copy all files except 'kernel*.img' into /boot and reboot     - Copy all files except 'kernel*.img' into /boot and reboot
   
   # Wireless Networking
    - A Realtek 802.11n USB adaptor configures as urtwn(4).
      - Configure with wpa_supplicant in /etc/rc.conf -
   
              ifconfig_urtwn0=dhcp
              dhcpcd=YES
              dhcpcd_flags="-q -b"
              wpa_supplicant=YES
              wpa_supplicant_flags="-B -i urtwn0 -c /etc/wpa_supplicant.conf"
      - A sample wpa_supplicant.conf can be found at /usr/share/examples/wpa_supplicant/wpa_supplicant.conf
   
   # GPU
   
   ## Video playback
   Accelerated video playback is supported in NetBSD 7 with the [OMXPlayer](http://pkgsrc.se/multimedia/omxplayer) application and through GStreamer with the [omx](http://pkgsrc.se/multimedia/gst-plugins1-omx) plugin.
   
   ## OpenGL ES
   Accelerated OpenGL ES is supported in NetBSD 7. The GL ES client libraries are included with the [misc/raspberrypi-userland](http://pkgsrc.se/misc/raspberrypi-userland) package.
   
   ## Quake 3
   A Raspberry Pi optimized build of *ioquake3* is available in the [games/ioquake3-raspberrypi](http://pkgsrc.se/games/ioquake3-raspberrypi) package. To use it, the following additional resources are required:
   
    - pak0.pk3 from Quake 3 CD
    - additional pak files from http://ioquake3.org/extras/patch-data/
    - read/write permissions on /dev/vchiq and /dev/wsmouse
   
   Place the .pk3 files in ~/.q3a/baseq3 and ~/.q3a/missionpack directories.
   
 # Additional links  # Additional links
  - [ARM userland utilities](https://github.com/jaredmcneill/userland)   - [ARM userland utilities](https://github.com/jaredmcneill/userland)
   
 # What works  # What works in -current
  - multi-user boot with root on SD card   - multi-user boot with root on SD card
  - serial or graphics console (with EDID query / parsing)   - serial or graphics console (with EDID query / parsing)
  - X windows.   - DMA controller driver and sdhc(4) support
    - Audio: works. man page missing.
    - I²C: works, could use enhancements, man page
    - GPIO
    - RNG
    - SPI: could use enhancements, man page
    - GPU (VCHIQ) - 3D and video decode. man page missing.
  - USB (host) - dwctwo(4)   - USB (host) - dwctwo(4)
  - USB Ethernet - usmsc(4)   - USB Ethernet - usmsc(4)
  - RNG: works   - X windows.
  - I²C: works, could use enhancements, man page  
  - SPI: works, could use enhancements, man page  
  - VCHIQ: work in progress. man page missing. (-current)  
  - Audio: works. man page missing. (-current)  
   
 # What needs work  # What needs work
  - USB (host); isochronous transfers.   - USB (host); isochronous transfers.
  - DMA controller driver / dmover(9) backend  
  - Teach sdhc(4) about dmover; not Raspberry Pi specific  
  - GPIO  

Removed from v.1.19  
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  Added in v.1.29


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