Annotation of wikisrc/ports/evbarm/raspberry_pi.mdwn, revision 1.56
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:
1.54 gdt 13: # What works (and what doesn't yet)
1.53 gdt 14:
15: ## NetBSD 7 before July, 2017
16:
17: - RaspberryPi 1, and 2 (including SMP)
18: - multi-user boot with root on SD card
19: - serial or graphics console (with EDID query / parsing)
20: - DMA controller driver and sdhc(4) support
21: - Audio: works. man page missing.
22: - I²C: works, could use enhancements, man page
23: - GPIO
24: - RNG
25: - SPI: could use enhancements, man page
26: - GPU (VCHIQ) - 3D and video decode. man page missing.
27: - USB (host) - dwctwo(4)
28: - USB Ethernet - usmsc(4)
29: - X windows.
30:
31: ## NetBSD 7 after July, 2017 and NetBSD 8
32:
33: - Raspberry Pi 3 (excluding WiFi and bluetooth)
34:
35: ## NetBSD current
36:
37: - Raspberry Pi 3 bluetooth
38: - Raspberry Pi 3 new SD host controller driver
39:
1.54 gdt 40: ## What needs work
1.53 gdt 41:
42: - USB (host); isochronous transfers.
43: - WiFi
44:
1.7 wiki 45: # Installation
1.53 gdt 46:
1.49 gdt 47: - 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 48: - The 'evbarm-earmv6hf/binary/gzimg/' directory contains an rpi.img file that can be used as a single image for both boards.
49: - The 'evbarm-earmv7hf/binary/gzimg/' directory, as of August 6th 2015, contains an armv7.img file that is optimized for Raspberry Pi 2.
50: - 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/)
1.55 gdt 51: - The HEAD/current directory build will be under HEAD/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201508062150Z/evbarm-earminstv7hf/binary/gzimg/)
1.44 wiki 52: - 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'
53: - <i>gunzip and dd</i> this img to your sd card. For example,
1.10 wiki 54:
1.14 wiki 55: dd if=rpi.img of=/dev/disk1
56:
57: - Using a serial console
1.19 wiki 58: - 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 59:
60: edit cmdline.txt and remove '"console=fb"'
61:
1.47 sevan 62: - 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 63:
64: In Kermit, the command is "set flow none".
65:
66: In minicom, run "minicom -s" and set hardware flow control to "no"
67:
1.53 gdt 68: ## Installation with sshramdisk image
69:
1.16 wiki 70: - You may use the rpi_inst.img.gz file created by an evbarm build.
71: - Connect Ethernet Cable to RPI.
1.19 wiki 72: - After starting DHCP client, SSH login to with user "sysinst", and password "netbsd".
1.17 wiki 73: - Be careful to note the ip address given during DHCP so you don't lose your connection
74: - Also for after the sysinst is done and the system reboots
75: - sysinst started!
1.16 wiki 76:
1.55 gdt 77: ## Installation via ebijun's image
78:
79: Jun Ebihara provides an install image for Raspberry Pi that includes
80: packages. It is based on NetBSD-current. This image is typically
81: updated every few weeks.
82:
1.56 ! gdt 83: - [https://github.com/ebijun/NetBSD/blob/master/RPI/RPIimage/Image/README](https://github.com/ebijun/NetBSD/blob/master/RPI/RPIimage/Image/README)
1.55 gdt 84:
1.53 gdt 85: ## Updating the kernel
1.46 schmonz 86:
1.42 wiki 87: - Build a new kernel, e.g. using build.sh. It will tell you where the ELF version of the kernel is, e.g.
88:
89: ...
90: Kernels built from RPI2:
91: /Users/feyrer/work/NetBSD/cvs/src-current/obj.evbarm-Darwin-XXX/sys/arch/evbarm/compile/RPI2/netbsd
92: ...
93:
1.47 sevan 94: - 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 95: - 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 96: - reboot
97:
1.24 wiki 98: # Wireless Networking
1.53 gdt 99:
100: Note that the built-in WiFi in the RPI3 is not yet supported.
101:
1.24 wiki 102: - A Realtek 802.11n USB adaptor configures as urtwn(4).
1.25 wiki 103: - Configure with wpa_supplicant in /etc/rc.conf -
1.24 wiki 104:
105: ifconfig_urtwn0=dhcp
106: dhcpcd=YES
107: dhcpcd_flags="-q -b"
108: wpa_supplicant=YES
109: wpa_supplicant_flags="-B -i urtwn0 -c /etc/wpa_supplicant.conf"
1.25 wiki 110: - A sample wpa_supplicant.conf can be found at /usr/share/examples/wpa_supplicant/wpa_supplicant.conf
1.24 wiki 111:
1.27 wiki 112: # GPU
113:
114: ## Video playback
1.29 wiki 115: 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 116:
117: ## OpenGL ES
118: 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.
119:
1.28 wiki 120: ## Quake 3
1.27 wiki 121: 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:
122:
123: - pak0.pk3 from Quake 3 CD
1.31 snj 124: - additional pak files from the [games/ioquake3-pk3](http://pkgsrc.se/games/ioquake3-pk3) package
1.27 wiki 125: - read/write permissions on /dev/vchiq and /dev/wsmouse
126:
1.31 snj 127: Place the pak0.pk3 file in the /usr/pkg/lib/ioquake3/baseq3 directory.
1.27 wiki 128:
1.32 wiki 129: ## RetroArch / Libretro
130: 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:
131:
132: - Install [emulators/retroarch](http://pkgsrc.se/emulators/retroarch)
133: - 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).
134: - Plug in a USB HID compatible Gamepad, such as the Logitech F710 in "DirectInput" mode (set "D/X" switch to "D").
135: - Create a config file for your gamepad using *retroarch-joyconfig*.
136: [[!template id=programlisting text="""
1.35 wiki 137: $ retroarch-joyconfig -o gamepad.cfg
1.32 wiki 138: """]]
139: - Launch the emulator from the command-line (no X required):
140: [[!template id=programlisting text="""
141: $ retroarch --appendconfig gamepad.cfg -L /usr/pkg/lib/libretro/gambatte_libretro.so game.gbc
142: """]]
143:
1.53 gdt 144: # Developer notes
1.50 gdt 145:
1.53 gdt 146: These notes are for people working on improvements to RPI support in NetBSD.
1.50 gdt 147:
1.53 gdt 148: ## Updating the firmware
1.50 gdt 149:
1.53 gdt 150: You probably don't want to do this. Firmware updates can break things,
151: and the latest firmware that's been tested is already included in the
152: NetBSD build you installed.
1.50 gdt 153:
1.53 gdt 154: If you're feeling adventurous (or are the port maintainer), here's what
155: to test whenever you try new firmware:
1.50 gdt 156:
1.53 gdt 157: - Audio
158: - OMXPlayer (and [[!template id=man name="vchiq"]])
159: - Serial/framebuffer console
160: - CPU frequency scaling
1.50 gdt 161:
1.53 gdt 162: That goes for all of `rpi[0123]`.
1.1 jakllsch 163:
1.53 gdt 164: Upstream firmware releases are
165: [on GitHub](https://github.com/raspberrypi/firmware/releases).
166: Copy all files except `kernel*.img` into `/boot` and reboot.
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