Diff for /wikisrc/ports/evbarm/raspberry_pi.mdwn between versions 1.58 and 1.66

version 1.58, 2017/10/21 23:50:25 version 1.66, 2017/10/31 11:32:36
Line 41  Initial, limited, Raspberry Pi support w Line 41  Initial, limited, Raspberry Pi support w
   
  - USB (host); isochronous transfers.   - USB (host); isochronous transfers.
  - WiFi   - WiFi
    - Raspberry Pi 3 in 64-bit mode.  (Note that this will be provided by the evbarm64 port, rather than evbarm.)
   
 # CPU types  # CPU types
   
 Note that one can also use code for earlier models on later models.  Note that one can also use code for earlier models on later models.
   
   - Raspberry Pi 1 uses "earmv6hf".   - Raspberry Pi 1 uses "earmv6hf".
   - Raspberry Pi 2 uses "earmv7hf".   - Raspberry Pi 2 uses "earmv7hf".
   - Raspberry Pi 3 uses "earmv7hf".  (NetBSD does not yet have 64-bit support.)   - Raspberry Pi 3 uses "earmv7hf".
   
 # Installation  # Installation
   
 First, decide if you want to install a formal release (7.1), a stable  ## SD card structure
 branch build (netbsd-7, netbsd-8), or current.  Note that 7.1 predates  
 Raspberry Pi 3 support.  For people who don't know how to choose among  The Raspberry Pi looks for firmware and kernel.img on the first FAT32 partition of the uSD card.  A separate kernel (kernel7.img) is used on RPI2 and RPI3.
 those, netbsd-8 is probably best.  
   The NetBSD kernel will then use the FFS partition as the root filesystem.
   
   A 2 GB card is the smallest workable size.  The NetBSD filesystem will be expanded to fit.
   
   ## Choosing a version
   
   First, decide if you want to install a formal release (7.1), a stable branch build (netbsd-7, netbsd-8), or NetBSD-current.  Note that 7.1 predates Raspberry Pi 3 support.  For people who don't know how to choose among those, netbsd-8 is probably best.
   
   See also "ebijun's image", below, which is NetBSD-current and includes packages.
   
 ## Getting bits to install  ## Getting bits to install
   
 You can either build a release yourself with build.sh, or get one from the NetBSD FTP servers.  You can either build a release yourself with build.sh, or get one from the NetBSD FTP servers.
   
 Both will provide rpi.img.gz and rpi_inst.img.gz.  Each is an image to  Both will provide rpi.img.gz and rpi_inst.img.gz.  Each is an image to be written to a uSD card, and has a FAT32 partition for booting.  In rpi.img.gz, there is also an FFS partition for NetBSD.
 be written to a uSD card, and it has a FAT32 partition for booting and  
 an FFS partition for NetBSD.  
   
 ### Building yourself  ### Building yourself
   
 Getting sources and building a release with build.sh is not special for evbarm.  Getting sources and building a release with build.sh is not special for evbarm.  Pick a CPU type alias and pass it to build.sh with -m.  Examples (the first two are equivalent):
 Pick a CPU type alias and pass it to build.sh with -m.  Examples:  
     - ./build.sh -m earmv6hf -u release   - ./build.sh -m earmv6hf -u release
     - ./build.sh -m evbarm -a earmv6hf -u release   - ./build.sh -m evbarm -a earmv6hf -u release
     - ./build.sh -m evbarm -a earmv7hf -u release   - ./build.sh -m evbarm -a earmv7hf -u release
   
 ### NetBSD FTP servers  ### NetBSD FTP servers
   
 NetBSD provides nightly builds on [nyftp.netbsd.org](http://nyftp.netbsd.org/pub/NetBSD-daily/).  These are equivalent to building yourself.  NetBSD provides nightly builds on [nyftp.netbsd.org](http://nyftp.netbsd.org/pub/NetBSD-daily/).  These are equivalent to building yourself.
   
     - The 'evbarm-earmv6hf/binary/gzimg/' directory contains an rpi.img file that can be used as a single image for both boards.   - The 'evbarm-earmv6hf/binary/gzimg/' directory contains an rpi.img file that can be used as a single image for both boards.
     - The 'evbarm-earmv7hf/binary/gzimg/' directory contains an armv7.img file that is optimized for Raspberry Pi 2.   - The 'evbarm-earmv7hf/binary/gzimg/' directory contains an armv7.img file that is optimized for Raspberry Pi 2.
     - The stable build directory will be under netbsd-7/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201710201440Z/evbarm-earmv6hf/binary/gzimg)       - The stable build directory will be under netbsd-7/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-7/201710201440Z/evbarm-earmv6hf/binary/gzimg)    
     - The not-yet-released stable build directory will be under netbsd-8/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-8/201710211010Z/evbarm-earmv6hf/binary/gzimg/)   - The not-yet-released stable build directory will be under netbsd-8/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/netbsd-8/201710211010Z/evbarm-earmv6hf/binary/gzimg/)
     - The HEAD/current directory build will be under HEAD/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/201710202210Z/evbarm-earmv7hf/binary/gzimg/)   - The HEAD/current directory build will be under HEAD/YYYYMMDDHHMMZ/ (for example, http://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/201710202210Z/evbarm-earmv7hf/binary/gzimg/)
   
 ## Installing to uSD  ## Preparing a uSD card
   
 Once you have rpi.img.gz, put it on a uSD card using gunzip and dd, for examples  Once you have rpi.img.gz (or rpi_inst), put it on a uSD card using gunzip and dd, for example:
   
    - dd if=rpi.img of=/dev/disk1   - gunzip rpi.img.gz
    - dd if=rpi.i7mg of=/dev/disk1
   
 ### Serial Console  ### Serial Console
   
 By default the rpi.img is set to use the HDMI output.  If you wish to use a serial console, first mount the FAT32 partition and then  By default the rpi.img is set to use the HDMI output.  If you wish to use a serial console, first mount the FAT32 partition and then
 edit cmdline.txt and remove '"console=fb"'.  edit cmdline.txt and remove '"console=fb"'.
   
    - 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".   - 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".
   
      In Kermit, the command is "set flow none".
   
      In minicom, run "minicom -s" and set hardware flow control to "no"
   
       In Kermit, the command is "set flow none".  ### Enabling ssh
   
       In minicom, run "minicom -s" and set hardware flow control to "no"  If you want to enable ssh with the standard image, so that you can log in over the net without either a serial or HDMI console, mount the ffs partition, place /root/.ssh/authorized_keys, uncomment PermitRootLogin in /etc/ssh/sshd_config, and comment out the rc_configure=NO in /etc/rc.conf.  Besides having to find the IP address, you will have to wait for the partition resizing and reboot.
   
 ### Installation with sshramdisk image  ### Installation with sshramdisk image
   
 build.sh (and hence the FTP site) also creates an image 'rpi_inst.img.gz' specifically for installation without HDMI or a serial console.  To use this method, write that image to a uSD card as above, and then:  build.sh (and hence the FTP site) also creates an image 'rpi_inst.img.gz' specifically for installation without HDMI or a serial console.  Note that this image is much smaller and that you will need to fetch the sets over the network.  To use this method, write that image to a uSD card as above, and then:
   
  - Connect Ethernet Cable to RPI.   - Ensure that you have a lan with a DHCP server.
    - Connect an Ethernet cable from the RPI to the LAN.
  - After starting DHCP client, SSH login to with user "sysinst", and password "netbsd".   - After starting DHCP client, SSH login to with user "sysinst", and password "netbsd".
    - Be careful to note the ip address given during DHCP so you don't lose your connection     - Be careful to note the ip address given during DHCP so you don't lose your connection
    - Also for after the sysinst is done and the system reboots     - Also for after the sysinst is done and the system reboots

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  Added in v.1.66


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