--- wikisrc/ports/evbarm/raspberry_pi.mdwn 2013/01/27 09:02:28 1.4 +++ wikisrc/ports/evbarm/raspberry_pi.mdwn 2013/04/20 16:09:24 1.15 @@ -4,18 +4,77 @@ This page attempts to document and coordinate efforts towards NetBSD/evbarm on [Raspberry Pi](http://www.raspberrypi.org). -(Raspberry Pi [image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license) +([Raspberry Pi image](http://www.flickr.com/photos/42325803@N07/8118758647/) by Christopher Lee used under CC-By-2.0 license) + +# Installation + - You may use the rpi.img file created by an arm build. + - An example can be found in the '/evbarm/binary/gzimg/' directory under releng.netbsd.org + - 'obj/releasedir/evbarm/binary/gzimg/' if you run (for example) './build.sh -m evbarm -u release' + - gunzip and dd this img to your sd card. + + dd if=rpi.img of=/dev/disk1 + + - Using a serial console + - By default the rpi.img is set to use the HDMI output; to change mount rpi.img (it's a FAT filesystem) + + edit cmdline.txt and remove '"console=fb"' + - proceed with the 'dd' + + - Growing the root file-system + - Copy /boot/cmdline.txt to /boot/cmdline.txt.orig + - Edit /boot/cmdline.txt and add the '-s' flag to the end of the first line of text to boot into single-user mode. + - Reboot, and at the prompt to enter the passname of shell, press + return for the default (/bin/sh). + - At the # prompt, type + + "disklabel -i ld0" and press return. + - At the partition> prompt type "A" and press return. + + Adjust disklabel sector from 4194304 to 62333952 [n]? + Type "y" and press return. + - partition> prompt type "a" and press return. + + Filesystem type prompt, press return to use the current value (4.2BSD). + Start offset prompt, press return to use the current value. + Partition size prompt, type "$" and press return to grow the + partition to use all available free space. + - partition> prompt type "W" to save the changes to the disklabel. + + Confirm this choice by typing "y" at the Label disk prompt. + Type "Q" and press return to quit disklabel. + - At the # prompt (shell), type + + fsck -fy /dev/rld0a + resize_ffs -y /dev/rld0a + - This may take a few minutes, be patient! + + fsck -fy /dev/rld0a + mount /dev/ld0e /boot + mv /boot/cmdline.txt.orig /boot/cmdline.txt + reboot + - When the system comes back up, the root file-system will have been expanded to + fill the SD card. + +# Updating the firmware + - [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) # What works - - multi-user boot with root on SD card and serial or graphics console + - multi-user boot with root on SD card + - serial or graphics console (with EDID query / parsing) + - X windows. - USB (host); control, interrupt and bulk transfers. Has some stability issues that are being worked on. man page missing. - USB Ethernet - 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) # What needs work - - VCHIQ; work in progress - USB (host); isochronous transfers. DMA support. - DMA controller driver / dmover(9) backend - Teach sdhc(4) about dmover; not Raspberry Pi specific