--- wikisrc/ports/evbarm/raspberry_pi.mdwn 2014/01/06 18:22:32 1.20 +++ wikisrc/ports/evbarm/raspberry_pi.mdwn 2015/08/03 00:37:05 1.43 @@ -1,20 +1,24 @@ [[!meta title="NetBSD/evbarm on Raspberry Pi"]] +This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org). All board variants are supported. + +Initial Raspberry Pi support was introduced in NetBSD 6.0. NetBSD 7.0 adds complete support for the board, along with introducing support for the quad-core Raspberry Pi 2 board. + [[images/raspberrypi.jpg]] -This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org). +[[!toc levels=2]] ([Raspberry Pi image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license) # Installation - - Use the latest HEAD/-current which builds for install - - As the Raspberry Pi port is still not part the stable release, you will want to use the - HEAD branch to download installation sets. - - 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. - - An example can be found in the 'evbarm-earmhf/binary/gzimg/' directory under releng.netbsd.org - - On nyftp.netbsd.org/pub/NetBSD-daily/HEAD/YYYYMMDDHHMMZ (it will look like pub/NetBSD-daily/HEAD/201305220150Z) + - You may use the rpi.img file created by an evbarm build - evbarm-earmv6hf is recommended. This isn't optimized for Raspberry Pi 2, but allows a single image to be used for all boards. + - The Raspberry Pi and Pi 2 ports will be part of the NetBSD 7 release. + - The automatic nightly builds can be found in the 'evbarm-earmv6hf/binary/gzimg/' directory on [nyftp.netbsd.org](http://nyftp.netbsd.org/pub/NetBSD-daily/). + - The stable build will be under netbsd-7/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/ + - The HEAD/current build will be under HEAD/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' - - gunzip and dd this img to your sd card. + - gunzip and dd this img to your sd card. dd if=rpi.img of=/dev/disk1 @@ -23,7 +27,13 @@ This page attempts to document and coord edit cmdline.txt and remove '"console=fb"' - - Growing the root file-system + - Most (all?) USB-to-TTL serial adapters only connect Tx, Rx and ground, and do not connect any flow control lines. An effect of missing flow control is that you see console output, but cannot type anything. If so, adjust your serial console application's flow control settings to "none". + + In Kermit, the command is "set flow none". + + In minicom, run "minicom -s" and set hardware flow control to "no" + + - Growing the root file-system (**not required with NetBSD -current after 2015-04-07**) - During the partitioning process, do not delete or format the first MSDOS (FAT) partition, as the Raspberry pi firmware is hard coded to boot on the SDCAD / 1st MSDOS partition / Firmware @@ -80,23 +90,75 @@ This page attempts to document and coord - [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) +# Updating the kernel + - Build a new kernel, e.g. using build.sh. It will tell you where the ELF version of the kernel is, e.g. + + ... + Kernels built from RPI2: + /Users/feyrer/work/NetBSD/cvs/src-current/obj.evbarm-Darwin-XXX/sys/arch/evbarm/compile/RPI2/netbsd + ... + + - Besides the "netbsd" kernel in ELF format, there is also a "netbsd.bin" kernel that is in a format that the Raspberry can boot. + - Depending on your hardware version, copy this either to /boot/kernel.img (old/V1 hardware) or to /boot/kernel7.img (new/V2 hardware) + - 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 the [games/ioquake3-pk3](http://pkgsrc.se/games/ioquake3-pk3) package + - read/write permissions on /dev/vchiq and /dev/wsmouse + +Place the pak0.pk3 file in the /usr/pkg/lib/ioquake3/baseq3 directory. + +## RetroArch / Libretro +Using [emulators/retroarch](http://pkgsrc.se/emulators/retroarch) it is possible to run many emulators at full speed the Raspberry Pi. Emulator cores for various gaming consoles are available in the [emulators/libretro-*](http://pkgsrc.se/search.php?so=libretro-) packages. To begin using retroarch: + + - Install [emulators/retroarch](http://pkgsrc.se/emulators/retroarch) + - Install the libretro core for the system you would like to emulate (lets take [emulators/libretro-gambatte](http://pkgsrc.se/emulators/libretro-gambatte), a GameBoy Color emulator, as an example). + - Plug in a USB HID compatible Gamepad, such as the Logitech F710 in "DirectInput" mode (set "D/X" switch to "D"). + - Create a config file for your gamepad using *retroarch-joyconfig*. +[[!template id=programlisting text=""" +$ retroarch-joyconfig -o gamepad.cfg +"""]] + - Launch the emulator from the command-line (no X required): +[[!template id=programlisting text=""" +$ retroarch --appendconfig gamepad.cfg -L /usr/pkg/lib/libretro/gambatte_libretro.so game.gbc +"""]] -# What works +# What works (NetBSD 7.0+) - multi-user boot with root on SD card - 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 Ethernet - usmsc(4) - - RNG: works - - 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) + - X windows. + - RaspberryPi 2 SMP # What needs work - USB (host); isochronous transfers. - - DMA controller driver / dmover(9) backend - - Teach sdhc(4) about dmover; not Raspberry Pi specific - - GPIO