Annotation of wikisrc/ports/evbarm/raspberry_pi.mdwn, revision 1.35

1.1       jakllsch    1: [[!meta title="NetBSD/evbarm on Raspberry Pi"]]
                      2: 
1.3       wiki        3: [[images/raspberrypi.jpg]]
                      4: 
1.26      wiki        5: [[!toc levels=2]]
                      6: 
1.1       jakllsch    7: This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org).
                      8: 
1.14      wiki        9: <small>([Raspberry Pi image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license)</small>
1.3       wiki       10: 
1.7       wiki       11: # Installation
1.23      skrll      12:  - You may use the rpi.img file created by an evbarm build - evbarm-earmv6hf is recommended.
1.34      wiki       13:    - The Raspberry Pi port will be part of the NetBSD 7 release.
                     14:    - 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/).
                     15:      - The stable build will be under netbsd-7/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/
1.23      skrll      16:      - The HEAD/current build will be under HEAD/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/
                     17:      - For example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201412161700Z/evbarm-earmv6hf/binary/gzimg/
1.19      wiki       18:    - 'releasedir/evbarm/binary/gzimg/' if you run (for example) './build.sh -m evbarm -a earmv6hf -u release'
1.23      skrll      19:    - <i>gunzip and dd</i> this img to your sd card.
1.10      wiki       20: 
1.14      wiki       21:           dd if=rpi.img of=/dev/disk1
                     22: 
                     23:  - Using a serial console
1.19      wiki       24:    - By default the rpi.img is set to use the HDMI output; to change to using a serial console first mount rpi.img (it's a FAT filesystem)
1.14      wiki       25: 
                     26:           edit cmdline.txt and remove '"console=fb"'
                     27: 
1.10      wiki       28:  - Growing the root file-system
1.17      wiki       29:    - During the partitioning process, do not delete or format the
                     30:      first MSDOS (FAT) partition, as the Raspberry pi firmware is
                     31:      hard coded to boot on the SDCAD / 1st MSDOS partition / Firmware
                     32:      updates and boot loader.
1.10      wiki       33:    - Copy /boot/cmdline.txt to /boot/cmdline.txt.orig
1.15      wiki       34:    - Edit /boot/cmdline.txt and add the '-s' flag to the end of the first line of text to boot into single-user mode.
1.20      wiki       35:    - For the next steps, the root filesystem mustn't be mounted rw. So reboot, and at the prompt to enter the pathname of shell,
                     36:      press return for the default (/bin/sh).
1.10      wiki       37:    - At the # prompt, type
                     38: 
                     39:         "disklabel -i ld0" and press return.
1.19      wiki       40: 
1.15      wiki       41:    - At the partition> prompt type "A" and press return.
1.10      wiki       42: 
                     43:            Adjust disklabel sector from 4194304 to 62333952 [n]?
                     44:            Type "y" and press return.
1.19      wiki       45: 
1.15      wiki       46:    - partition> prompt type "a" and press return.
1.12      wiki       47: 
1.11      wiki       48:            Filesystem type prompt, press return to use the current value (4.2BSD).
                     49:            Start offset prompt, press return to use the current value.
                     50:            Partition size prompt, type "$" and press return to grow the
                     51:            partition to use all available free space.
1.19      wiki       52: 
1.15      wiki       53:    - partition> prompt type "W" to save the changes to the disklabel.
1.11      wiki       54: 
                     55:            Confirm this choice by typing "y" at the Label disk prompt.
1.12      wiki       56:            Type "Q" and press return to quit disklabel.
1.19      wiki       57: 
1.15      wiki       58:    - At the # prompt (shell), type
1.11      wiki       59: 
                     60:            fsck -fy /dev/rld0a
                     61:            resize_ffs -y /dev/rld0a
1.19      wiki       62: 
1.11      wiki       63:    - This may take a few minutes, be patient!
                     64: 
                     65:            fsck -fy /dev/rld0a
1.18      wiki       66:            mount_msdos /dev/ld0e /boot
1.11      wiki       67:            mv /boot/cmdline.txt.orig /boot/cmdline.txt
                     68:            reboot
1.19      wiki       69: 
1.11      wiki       70:     - When the system comes back up, the root file-system will have been expanded to
1.10      wiki       71:           fill the SD card.
1.7       wiki       72: 
1.16      wiki       73: # Installation with sshramdisk image
                     74:  - You may use the  rpi_inst.img.gz file created by an evbarm build.
                     75:  - Connect Ethernet Cable to RPI.
1.19      wiki       76:  - After starting DHCP client, SSH login to with user "sysinst", and password "netbsd".
1.17      wiki       77:    - Be careful to note the ip address given during DHCP so you don't lose your connection
                     78:    - Also for after the sysinst is done and the system reboots
                     79:  - sysinst started!
1.16      wiki       80: 
1.7       wiki       81: # Updating the firmware
1.8       wiki       82:  - [rpi firmware files](https://github.com/raspberrypi/firmware/tree/master/boot)
1.19      wiki       83:    - Copy all files except 'kernel*.img' into /boot and reboot
1.7       wiki       84: 
1.24      wiki       85: # Wireless Networking
                     86:  - A Realtek 802.11n USB adaptor configures as urtwn(4).
1.25      wiki       87:    - Configure with wpa_supplicant in /etc/rc.conf -
1.24      wiki       88: 
                     89:            ifconfig_urtwn0=dhcp
                     90:            dhcpcd=YES
                     91:            dhcpcd_flags="-q -b"
                     92:            wpa_supplicant=YES
                     93:            wpa_supplicant_flags="-B -i urtwn0 -c /etc/wpa_supplicant.conf"
1.25      wiki       94:    - A sample wpa_supplicant.conf can be found at /usr/share/examples/wpa_supplicant/wpa_supplicant.conf
1.24      wiki       95: 
1.27      wiki       96: # GPU
                     97: 
                     98: ## Video playback
1.29      wiki       99: 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.
1.27      wiki      100: 
                    101: ## OpenGL ES
                    102: 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.
                    103: 
1.28      wiki      104: ## Quake 3
1.27      wiki      105: 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:
                    106: 
                    107:  - pak0.pk3 from Quake 3 CD
1.31      snj       108:  - additional pak files from the [games/ioquake3-pk3](http://pkgsrc.se/games/ioquake3-pk3) package
1.27      wiki      109:  - read/write permissions on /dev/vchiq and /dev/wsmouse
                    110: 
1.31      snj       111: Place the pak0.pk3 file in the /usr/pkg/lib/ioquake3/baseq3 directory.
1.27      wiki      112: 
1.32      wiki      113: ## RetroArch / Libretro
                    114: 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:
                    115: 
                    116:  - Install [emulators/retroarch](http://pkgsrc.se/emulators/retroarch)
                    117:  - 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).
                    118:  - Plug in a USB HID compatible Gamepad, such as the Logitech F710 in "DirectInput" mode (set "D/X" switch to "D").
                    119:  - Create a config file for your gamepad using *retroarch-joyconfig*.
                    120: [[!template  id=programlisting text="""
1.35    ! wiki      121: $ retroarch-joyconfig -o gamepad.cfg
1.32      wiki      122: """]]
                    123:  - Launch the emulator from the command-line (no X required):
                    124: [[!template  id=programlisting text="""
                    125: $ retroarch --appendconfig gamepad.cfg -L /usr/pkg/lib/libretro/gambatte_libretro.so game.gbc
                    126: """]]
                    127: 
1.30      wiki      128: # What works (NetBSD 7.0+)
1.6       wiki      129:  - multi-user boot with root on SD card
                    130:  - serial or graphics console (with EDID query / parsing)
1.23      skrll     131:  - DMA controller driver and sdhc(4) support
                    132:  - Audio: works. man page missing.
1.21      skrll     133:  - I²C: works, could use enhancements, man page
                    134:  - GPIO
                    135:  - RNG
                    136:  - SPI: could use enhancements, man page
1.29      wiki      137:  - GPU (VCHIQ) - 3D and video decode. man page missing.
1.19      wiki      138:  - USB (host) - dwctwo(4)
                    139:  - USB Ethernet - usmsc(4)
1.21      skrll     140:  - X windows.
1.1       jakllsch  141: 
                    142: # What needs work
1.19      wiki      143:  - USB (host); isochronous transfers.

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