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Diff for /wikisrc/ports/evbarm/raspberry_pi.mdwn between versions 1.2 and 1.9

version 1.2, 2013/01/07 16:30:58 version 1.9, 2013/03/03 22:41:49
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 [[!meta title="NetBSD/evbarm on Raspberry Pi"]]  [[!meta title="NetBSD/evbarm on Raspberry Pi"]]
   
   [[images/raspberrypi.jpg]]
   
 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).
   
   (Raspberry Pi [image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license)
   
   # Installation
    - You may use the rpi.img file created by an arm build.
      - An example can be found in the '/evbarm/binary/gzimg/' directory under releng.netbsd.org
   
   # Updating the firmware
    - [rpi firmware files](https://github.com/raspberrypi/firmware/tree/master/boot)
      - Copy all files except 'kernel*img' into /boot and reboot
   
   # Additional links
    - [ARM userland utilities](https://github.com/jaredmcneill/userland)
    - [Additional kernel drivers for VCHIQ](https://github.com/jaredmcneill/vchiq-netbsd)
   
 # What works  # What works
  - multi-user boot with root on SD card and serial console   - multi-user boot with root on SD card
    - serial or graphics console (with EDID query / parsing)
    - X windows.
    - USB (host); control, interrupt and bulk transfers. Has some stability issues that are being worked on. man page missing.
    - USB Ethernet
    - RNG: works
  - I²C: works, could use enhancements, man page   - I²C: works, could use enhancements, man page
  - SPI: works, could use enhancements, man page   - SPI: works, could use enhancements, man page
   
 # What needs work  # What needs work
  - USB (host); work in progress   - VCHIQ; work in progress - will provide audio.
  - USB Ethernet; work in progress   - USB (host); isochronous transfers. DMA support.
  - DMA for SDHCI   - DMA controller driver / dmover(9) backend
    - Teach sdhc(4) about dmover; not Raspberry Pi specific
    - hardfloat; not Raspberry Pi specific
    - earm ABI; not Raspberry Pi specific
  - GPIO   - GPIO
  - framebuffer; work in progress  
  - almost everything relating to working with the VideoCore IV  
Removed from v.1.2  
changed lines
  Added in v.1.9

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