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Annotation of wikisrc/ports/evbarm/raspberry_pi.mdwn, revision 1.23

1.1       jakllsch    1: [[!meta title="NetBSD/evbarm on Raspberry Pi"]]
                      2: 
1.3       wiki        3: [[images/raspberrypi.jpg]]
                      4: 
1.1       jakllsch    5: This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org).
                      6: 
1.14      wiki        7: <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        8: 
1.7       wiki        9: # Installation
1.23    ! skrll      10:  - You may use the rpi.img file created by an evbarm build - evbarm-earmv6hf is recommended.
        !            11:    - The Raspberry Pi port will be part of the NetBSD 7 stable release,
        !            12:      but you may want to use the HEAD branch for the latest development code.
        !            13:    - The automatic nightly builds can be found in the 'evbarm-earmv6hf/binary/gzimg/' directory under on [nyftp.netbsd.org](http://nyftp.netbsd.org/pub/NetBSD-daily/).
        !            14:      - The HEAD/current build will be under HEAD/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/
        !            15:      - The stable build will be under netbsd-7/YYYYMMDDHHMMZ/evbarm-earmv6hf/binary/gzimg/
        !            16:      - For example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201412161700Z/evbarm-earmv6hf/binary/gzimg/
1.19      wiki       17:    - 'releasedir/evbarm/binary/gzimg/' if you run (for example) './build.sh -m evbarm -a earmv6hf -u release'
1.23    ! skrll      18:    - <i>gunzip and dd</i> this img to your sd card.
1.10      wiki       19: 
1.14      wiki       20:           dd if=rpi.img of=/dev/disk1
                     21: 
                     22:  - Using a serial console
1.19      wiki       23:    - 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       24: 
                     25:           edit cmdline.txt and remove '"console=fb"'
                     26: 
1.10      wiki       27:  - Growing the root file-system
1.17      wiki       28:    - During the partitioning process, do not delete or format the
                     29:      first MSDOS (FAT) partition, as the Raspberry pi firmware is
                     30:      hard coded to boot on the SDCAD / 1st MSDOS partition / Firmware
                     31:      updates and boot loader.
1.10      wiki       32:    - Copy /boot/cmdline.txt to /boot/cmdline.txt.orig
1.15      wiki       33:    - 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       34:    - For the next steps, the root filesystem mustn't be mounted rw. So reboot, and at the prompt to enter the pathname of shell,
                     35:      press return for the default (/bin/sh).
1.10      wiki       36:    - At the # prompt, type
                     37: 
                     38:         "disklabel -i ld0" and press return.
1.19      wiki       39: 
1.15      wiki       40:    - At the partition> prompt type "A" and press return.
1.10      wiki       41: 
                     42:            Adjust disklabel sector from 4194304 to 62333952 [n]?
                     43:            Type "y" and press return.
1.19      wiki       44: 
1.15      wiki       45:    - partition> prompt type "a" and press return.
1.12      wiki       46: 
1.11      wiki       47:            Filesystem type prompt, press return to use the current value (4.2BSD).
                     48:            Start offset prompt, press return to use the current value.
                     49:            Partition size prompt, type "$" and press return to grow the
                     50:            partition to use all available free space.
1.19      wiki       51: 
1.15      wiki       52:    - partition> prompt type "W" to save the changes to the disklabel.
1.11      wiki       53: 
                     54:            Confirm this choice by typing "y" at the Label disk prompt.
1.12      wiki       55:            Type "Q" and press return to quit disklabel.
1.19      wiki       56: 
1.15      wiki       57:    - At the # prompt (shell), type
1.11      wiki       58: 
                     59:            fsck -fy /dev/rld0a
                     60:            resize_ffs -y /dev/rld0a
1.19      wiki       61: 
1.11      wiki       62:    - This may take a few minutes, be patient!
                     63: 
                     64:            fsck -fy /dev/rld0a
1.18      wiki       65:            mount_msdos /dev/ld0e /boot
1.11      wiki       66:            mv /boot/cmdline.txt.orig /boot/cmdline.txt
                     67:            reboot
1.19      wiki       68: 
1.11      wiki       69:     - When the system comes back up, the root file-system will have been expanded to
1.10      wiki       70:           fill the SD card.
1.7       wiki       71: 
1.16      wiki       72: # Installation with sshramdisk image
                     73:  - You may use the  rpi_inst.img.gz file created by an evbarm build.
                     74:  - Connect Ethernet Cable to RPI.
1.19      wiki       75:  - After starting DHCP client, SSH login to with user "sysinst", and password "netbsd".
1.17      wiki       76:    - Be careful to note the ip address given during DHCP so you don't lose your connection
                     77:    - Also for after the sysinst is done and the system reboots
                     78:  - sysinst started!
1.16      wiki       79: 
1.7       wiki       80: # Updating the firmware
1.8       wiki       81:  - [rpi firmware files](https://github.com/raspberrypi/firmware/tree/master/boot)
1.19      wiki       82:    - Copy all files except 'kernel*.img' into /boot and reboot
1.7       wiki       83: 
1.9       wiki       84: # Additional links
                     85:  - [ARM userland utilities](https://github.com/jaredmcneill/userland)
                     86: 
1.21      skrll      87: # What works in -current
1.6       wiki       88:  - multi-user boot with root on SD card
                     89:  - serial or graphics console (with EDID query / parsing)
1.23    ! skrll      90:  - DMA controller driver and sdhc(4) support
        !            91:  - Audio: works. man page missing.
1.21      skrll      92:  - I²C: works, could use enhancements, man page
                     93:  - GPIO
                     94:  - RNG
                     95:  - SPI: could use enhancements, man page
1.23    ! skrll      96:  - VCHIQ: man page missing.
1.19      wiki       97:  - USB (host) - dwctwo(4)
                     98:  - USB Ethernet - usmsc(4)
1.21      skrll      99:  - X windows.
1.1       jakllsch  100: 
                    101: # What needs work
1.19      wiki      102:  - USB (host); isochronous transfers.