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| 1 | This README file contains information on building the meta-sugarbay | ||
| 2 | BSP layer, and booting the images contained in the /binary directory. | ||
| 3 | Please see the corresponding sections below for details. | ||
| 4 | |||
| 5 | The 'Sugar Bay' platform consists of the Intel Sandy Bridge processor, | ||
| 6 | plus the Cougar Point PCH (Q67 Express or B65 Express chipsets). This | ||
| 7 | BSP assumes that the Sandy Bridge integrated graphics are being used. | ||
| 8 | |||
| 9 | Further information on the platforms supported by this BSP can be | ||
| 10 | found here: | ||
| 11 | |||
| 12 | http://www.intel.com/p/en_US/embedded/hwsw/hardware/core-q67-b65/overview | ||
| 13 | |||
| 14 | And information on all IntelĀ® embedded platforms can be found here: | ||
| 15 | |||
| 16 | http://www.intel.com/p/en_US/embedded/hwsw/hardware | ||
| 17 | |||
| 18 | |||
| 19 | Yocto Project Compatible | ||
| 20 | ======================== | ||
| 21 | |||
| 22 | This BSP is compatible with the Yocto Project as per the requirements | ||
| 23 | listed here: | ||
| 24 | |||
| 25 | https://www.yoctoproject.org/webform/yocto-project-compatible-registration | ||
| 26 | |||
| 27 | |||
| 28 | Dependencies | ||
| 29 | ============ | ||
| 30 | |||
| 31 | This layer depends on: | ||
| 32 | |||
| 33 | URI: git://git.openembedded.org/bitbake | ||
| 34 | branch: master | ||
| 35 | |||
| 36 | URI: git://git.openembedded.org/openembedded-core | ||
| 37 | layers: meta | ||
| 38 | branch: master | ||
| 39 | |||
| 40 | URI: git://git.yoctoproject.org/meta-intel | ||
| 41 | layers: intel | ||
| 42 | branch: master | ||
| 43 | |||
| 44 | |||
| 45 | Patches | ||
| 46 | ======= | ||
| 47 | |||
| 48 | Please submit any patches against this BSP to the meta-intel mailing list | ||
| 49 | (meta-intel@yoctoproject.org) and cc: the maintainer: | ||
| 50 | |||
| 51 | Maintainer: Saul Wold <sgw@linux.intel.com> | ||
| 52 | |||
| 53 | Please see the meta-intel/MAINTAINERS file for more details. | ||
| 54 | |||
| 55 | |||
| 56 | Table of Contents | ||
| 57 | ================= | ||
| 58 | |||
| 59 | I. Building the meta-sugarbay BSP layer | ||
| 60 | II. Booting the images in /binary | ||
| 61 | |||
| 62 | |||
| 63 | I. Building the meta-sugarbay BSP layer | ||
| 64 | ======================================= | ||
| 65 | |||
| 66 | In order to build an image with BSP support for a given release, you | ||
| 67 | need to download the corresponding BSP tarball from the 'Board Support | ||
| 68 | Package (BSP) Downloads' page of the Yocto Project website. | ||
| 69 | |||
| 70 | Having done that, and assuming you extracted the BSP tarball contents | ||
| 71 | at the top-level of your yocto build tree, you can build a sugarbay | ||
| 72 | image by adding the location of the meta-sugarbay layer to | ||
| 73 | bblayers.conf, along with the meta-intel layer itself (to access | ||
| 74 | common metadata shared between BSPs) e.g.: | ||
| 75 | |||
| 76 | yocto/meta-intel \ | ||
| 77 | yocto/meta-intel/meta-sugarbay \ | ||
| 78 | |||
| 79 | To enable the sugarbay layer, add the sugarbay MACHINE to local.conf: | ||
| 80 | |||
| 81 | MACHINE ?= "sugarbay" | ||
| 82 | |||
| 83 | You should then be able to build a sugarbay image as such: | ||
| 84 | |||
| 85 | $ source oe-init-build-env | ||
| 86 | $ bitbake core-image-sato | ||
| 87 | |||
| 88 | At the end of a successful build, you should have a live image that | ||
| 89 | you can boot from a USB flash drive (see instructions on how to do | ||
| 90 | that below, in the section 'Booting the images from /binary'). | ||
| 91 | |||
| 92 | NOTE: The 'sugarbay' machine will include support for hardware video | ||
| 93 | acceleration via gstreamer if and only if the "commercial" string is | ||
| 94 | added to the the LICENSE_FLAGS_WHITELIST variable in your local.conf. | ||
| 95 | |||
| 96 | For example: | ||
| 97 | |||
| 98 | LICENSE_FLAGS_WHITELIST = "commercial" | ||
| 99 | |||
| 100 | The reason this is needed is to prevent the image from including | ||
| 101 | anything that might violate the license terms of the packages used to | ||
| 102 | implement the the video acceleration feature, such as gst-ffmpeg and | ||
| 103 | ffmpeg. As always, please consult the licenses included in the | ||
| 104 | specific packages for details if you use packages that require | ||
| 105 | particular LICENSE_FLAGS. | ||
| 106 | |||
| 107 | The xf86-video-intel recipe depends on Xorg's dri and glx modules, | ||
| 108 | which are built only when 'opengl' is listed in DISTRO_FEATURES. So | ||
| 109 | if the distro doesn't list 'opengl' in the DISTRO_FEATURES, then you | ||
| 110 | would need this additional line in your local.conf: | ||
| 111 | |||
| 112 | DISTRO_FEATURES_append = " opengl" | ||
| 113 | |||
| 114 | As an alternative to downloading the BSP tarball, you can also work | ||
| 115 | directly from the meta-intel git repository. For each BSP in the | ||
| 116 | 'meta-intel' repository, there are multiple branches, one | ||
| 117 | corresponding to each major release starting with 'laverne' (0.90), in | ||
| 118 | addition to the latest code which tracks the current master (note that | ||
| 119 | not all BSPs are present in every release). Instead of extracting a | ||
| 120 | BSP tarball at the top level of your yocto build tree, you can | ||
| 121 | equivalently check out the appropriate branch from the meta-intel | ||
| 122 | repository at the same location. | ||
| 123 | |||
| 124 | |||
| 125 | II. Booting the images in /binary | ||
| 126 | ================================= | ||
| 127 | |||
| 128 | This BSP contains bootable live images, which can be used to directly | ||
| 129 | boot Yocto off of a USB flash drive. | ||
| 130 | |||
| 131 | Under Linux, insert a USB flash drive. Assuming the USB flash drive | ||
| 132 | takes device /dev/sdf, use dd to copy the live image to it. For | ||
| 133 | example: | ||
| 134 | |||
| 135 | # dd if=core-image-sato-sugarbay.hddimg of=/dev/sdf | ||
| 136 | # sync | ||
| 137 | # eject /dev/sdf | ||
| 138 | |||
| 139 | This should give you a bootable USB flash device. Insert the device | ||
| 140 | into a bootable USB socket on the target, and power on. This should | ||
| 141 | result in a system booted to the Sato graphical desktop. | ||
| 142 | |||
| 143 | If you want a terminal, use the arrows at the top of the UI to move to | ||
| 144 | different pages of available applications, one of which is named | ||
| 145 | 'Terminal'. Clicking that should give you a root terminal. | ||
| 146 | |||
| 147 | If you want to ssh into the system, you can use the root terminal to | ||
| 148 | ifconfig the IP address and use that to ssh in. The root password is | ||
| 149 | empty, so to log in type 'root' for the user name and hit 'Enter' at | ||
| 150 | the Password prompt: and you should be in. | ||
| 151 | |||
| 152 | ---- | ||
| 153 | |||
| 154 | If you find you're getting corrupt images on the USB (it doesn't show | ||
| 155 | the syslinux boot: prompt, or the boot: prompt contains strange | ||
| 156 | characters), try doing this first: | ||
| 157 | |||
| 158 | # dd if=/dev/zero of=/dev/sdf bs=1M count=512 | ||
