Annotation of wikisrc/ports/evbarm/raspberry_pi.mdwn, revision 1.51
1.1 jakllsch 1: [[!meta title="NetBSD/evbarm on Raspberry Pi"]]
2:
1.39 wiki 3: This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org). All board variants are supported.
4:
1.50 gdt 5: Initial, limited, 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. Raspberry Pi 3 support was added for NetBSD 8, and backported to NetBSD 7 in July of 2017.
1.39 wiki 6:
1.3 wiki 7: [[images/raspberrypi.jpg]]
8:
1.26 wiki 9: [[!toc levels=2]]
10:
1.14 wiki 11: <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 12:
1.7 wiki 13: # Installation
1.49 gdt 14: - The automatic nightly builds on [nyftp.netbsd.org](http://nyftp.netbsd.org/pub/NetBSD-daily/) provide image files that can be used for installation. The Raspberry Pi and Pi 2 ports are part of the NetBSD 7 release.
1.44 wiki 15: - The 'evbarm-earmv6hf/binary/gzimg/' directory contains an rpi.img file that can be used as a single image for both boards.
16: - The 'evbarm-earmv7hf/binary/gzimg/' directory, as of August 6th 2015, contains an armv7.img file that is optimized for Raspberry Pi 2.
17: - The stable build directory will be under netbsd-7/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201412161700Z/evbarm-earmv6hf/binary/gzimg/)
18: - The HEAD/current directory build will be under HEAD/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201508062150Z/evbarm-earmv7hf/binary/gzimg/)
19: - You can build your own version of these images using (for example) './build.sh -m evbarm -a earmv6hf -u release', or './build.sh -m evbarm -a earmv7hf -u release'
20: - <i>gunzip and dd</i> this img to your sd card. For example,
1.10 wiki 21:
1.14 wiki 22: dd if=rpi.img of=/dev/disk1
23:
24: - Using a serial console
1.19 wiki 25: - 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 26:
27: edit cmdline.txt and remove '"console=fb"'
28:
1.47 sevan 29: - 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".
1.41 wiki 30:
31: In Kermit, the command is "set flow none".
32:
33: In minicom, run "minicom -s" and set hardware flow control to "no"
34:
1.16 wiki 35: # Installation with sshramdisk image
36: - You may use the rpi_inst.img.gz file created by an evbarm build.
37: - Connect Ethernet Cable to RPI.
1.19 wiki 38: - After starting DHCP client, SSH login to with user "sysinst", and password "netbsd".
1.17 wiki 39: - Be careful to note the ip address given during DHCP so you don't lose your connection
40: - Also for after the sysinst is done and the system reboots
41: - sysinst started!
1.16 wiki 42:
1.7 wiki 43: # Updating the firmware
1.45 schmonz 44:
45: You probably don't want to do this. Firmware updates can break things,
46: and the latest firmware that's been tested is already included in the
47: NetBSD build you installed.
48:
49: If you're feeling adventurous (or are the port maintainer), here's what
50: to test whenever you try new firmware:
51:
52: - Audio
53: - OMXPlayer (and [[!template id=man name="vchiq"]])
54: - Serial/framebuffer console
55: - CPU frequency scaling
56:
1.46 schmonz 57: That goes for all of `rpi[0123]`.
58:
1.45 schmonz 59: Upstream firmware releases are
60: [on GitHub](https://github.com/raspberrypi/firmware/releases).
61: Copy all files except `kernel*.img` into `/boot` and reboot.
1.7 wiki 62:
1.42 wiki 63: # Updating the kernel
64: - Build a new kernel, e.g. using build.sh. It will tell you where the ELF version of the kernel is, e.g.
65:
66: ...
67: Kernels built from RPI2:
68: /Users/feyrer/work/NetBSD/cvs/src-current/obj.evbarm-Darwin-XXX/sys/arch/evbarm/compile/RPI2/netbsd
69: ...
70:
1.47 sevan 71: - Besides the "netbsd" kernel in ELF format, there is also a "netbsd.bin" kernel that is in a format that the Raspberry can boot.
1.48 sevan 72: - Depending on your hardware version, copy this either to /boot/kernel.img (First generation Pi, Pi Zero hardware) or to /boot/kernel7.img (Pi 2, Pi 3 hardware)
1.42 wiki 73: - reboot
74:
1.24 wiki 75: # Wireless Networking
76: - A Realtek 802.11n USB adaptor configures as urtwn(4).
1.25 wiki 77: - Configure with wpa_supplicant in /etc/rc.conf -
1.24 wiki 78:
79: ifconfig_urtwn0=dhcp
80: dhcpcd=YES
81: dhcpcd_flags="-q -b"
82: wpa_supplicant=YES
83: wpa_supplicant_flags="-B -i urtwn0 -c /etc/wpa_supplicant.conf"
1.25 wiki 84: - A sample wpa_supplicant.conf can be found at /usr/share/examples/wpa_supplicant/wpa_supplicant.conf
1.24 wiki 85:
1.27 wiki 86: # GPU
87:
88: ## Video playback
1.29 wiki 89: 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 90:
91: ## OpenGL ES
92: 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.
93:
1.28 wiki 94: ## Quake 3
1.27 wiki 95: 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:
96:
97: - pak0.pk3 from Quake 3 CD
1.31 snj 98: - additional pak files from the [games/ioquake3-pk3](http://pkgsrc.se/games/ioquake3-pk3) package
1.27 wiki 99: - read/write permissions on /dev/vchiq and /dev/wsmouse
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1.31 snj 101: Place the pak0.pk3 file in the /usr/pkg/lib/ioquake3/baseq3 directory.
1.27 wiki 102:
1.32 wiki 103: ## RetroArch / Libretro
104: 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:
105:
106: - Install [emulators/retroarch](http://pkgsrc.se/emulators/retroarch)
107: - 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).
108: - Plug in a USB HID compatible Gamepad, such as the Logitech F710 in "DirectInput" mode (set "D/X" switch to "D").
109: - Create a config file for your gamepad using *retroarch-joyconfig*.
110: [[!template id=programlisting text="""
1.35 wiki 111: $ retroarch-joyconfig -o gamepad.cfg
1.32 wiki 112: """]]
113: - Launch the emulator from the command-line (no X required):
114: [[!template id=programlisting text="""
115: $ retroarch --appendconfig gamepad.cfg -L /usr/pkg/lib/libretro/gambatte_libretro.so game.gbc
116: """]]
117:
1.50 gdt 118: # What works
119:
120: ## NetBSD 7 before July, 2017
121:
122: - RaspberryPi 1, and 2 (including SMP)
1.6 wiki 123: - multi-user boot with root on SD card
124: - serial or graphics console (with EDID query / parsing)
1.23 skrll 125: - DMA controller driver and sdhc(4) support
126: - Audio: works. man page missing.
1.21 skrll 127: - I²C: works, could use enhancements, man page
128: - GPIO
129: - RNG
130: - SPI: could use enhancements, man page
1.29 wiki 131: - GPU (VCHIQ) - 3D and video decode. man page missing.
1.19 wiki 132: - USB (host) - dwctwo(4)
133: - USB Ethernet - usmsc(4)
1.21 skrll 134: - X windows.
1.50 gdt 135:
136: ## NetBSD 7 after July, 2017 and NetBSD 8
137:
138: - Raspberry Pi 3 (including wifi and SMP)
139:
140: ## NetBSD current
141:
142: - Raspberry Pi 3 bluetooth
143: - Raspberry Pi 3 new SD host controller driver
1.1 jakllsch 144:
145: # What needs work
1.19 wiki 146: - USB (host); isochronous transfers.
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