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1 | This README file contains information on building the meta-n450 | ||
2 | BSP layer, and booting the images contained in the /binary directory. | ||
3 | Please see the corresponding sections below for details. | ||
4 | |||
5 | The Luna Pier platform consists of the Intel Atom E4xx processor (Pineview), | ||
6 | plus the Intel 82801Hm I/O Controller. | ||
7 | |||
8 | Further information on the platforms supported by this BSP can be | ||
9 | found here: | ||
10 | |||
11 | http://www.intel.com/p/en_US/embedded/hwsw/hardware/atom-400-500/overview | ||
12 | |||
13 | Information on all IntelĀ® embedded platforms can be found here: | ||
14 | |||
15 | http://www.intel.com/p/en_US/embedded/hwsw/hardware | ||
16 | |||
17 | |||
18 | Yocto Project Compatible | ||
19 | ======================== | ||
20 | |||
21 | This BSP is compatible with the Yocto Project as per the requirements | ||
22 | listed here: | ||
23 | |||
24 | https://www.yoctoproject.org/webform/yocto-project-compatible-registration | ||
25 | |||
26 | |||
27 | Dependencies | ||
28 | ============ | ||
29 | |||
30 | This layer depends on: | ||
31 | |||
32 | URI: git://git.openembedded.org/bitbake | ||
33 | branch: master | ||
34 | |||
35 | URI: git://git.openembedded.org/openembedded-core | ||
36 | layers: meta | ||
37 | branch: master | ||
38 | |||
39 | URI: git://git.yoctoproject.org/meta-intel | ||
40 | layers: intel | ||
41 | branch: master | ||
42 | |||
43 | |||
44 | Patches | ||
45 | ======= | ||
46 | |||
47 | Please submit any patches against this BSP to the Yocto mailing list | ||
48 | (yocto@yoctoproject.org) and cc: the maintainer: | ||
49 | |||
50 | Maintainer: Darren Hart <dvhart@linux.intel.com> | ||
51 | |||
52 | Please see the meta-intel/MAINTAINERS file for more details. | ||
53 | |||
54 | |||
55 | Table of Contents | ||
56 | ================= | ||
57 | |||
58 | I. Building the meta-n450 BSP layer | ||
59 | II. Booting the images in /binary | ||
60 | |||
61 | |||
62 | I. Building the meta-n450 BSP layer | ||
63 | ======================================= | ||
64 | |||
65 | In order to build an image with BSP support for a given release, you | ||
66 | need to download the corresponding BSP tarball from the 'Board Support | ||
67 | Package (BSP) Downloads' page of the Yocto Project website. | ||
68 | |||
69 | Having done that, and assuming you extracted the BSP tarball contents | ||
70 | at the top-level of your yocto build tree, you can build an n450 | ||
71 | image by adding the location of the meta-n450 layer to | ||
72 | bblayers.conf, along with the meta-intel layer itself (to access | ||
73 | common metadata shared between BSPs) e.g.: | ||
74 | |||
75 | yocto/meta-intel \ | ||
76 | yocto/meta-intel/meta-n450 \ | ||
77 | |||
78 | Configure your build to build for the n450 machine in your local.conf file: | ||
79 | |||
80 | MACHINE ?= "n450" | ||
81 | |||
82 | You should then be able to build an n450 image as such: | ||
83 | |||
84 | $ bitbake core-image-sato | ||
85 | |||
86 | At the end of a successful build, you should have a live image that | ||
87 | you can boot from a USB flash drive (see instructions on how to do | ||
88 | that below, in the section 'Booting the images from /binary'). | ||
89 | |||
90 | As an alternative to downloading the BSP tarball, you can also work | ||
91 | directly from the meta-intel git repository. For each BSP in the | ||
92 | 'meta-intel' repository, there are multiple branches, one | ||
93 | corresponding to each major release starting with 'laverne' (0.90), in | ||
94 | addition to the latest code which tracks the current master (note that | ||
95 | not all BSPs are present in every release). Instead of extracting | ||
96 | a BSP tarball at the top level of your yocto build tree, you can | ||
97 | equivalently check out the appropriate branch from the meta-intel | ||
98 | repository at the same location. | ||
99 | |||
100 | |||
101 | II. Booting the images in /binary | ||
102 | ================================= | ||
103 | |||
104 | This BSP contains bootable live images, which can be used to directly | ||
105 | boot Yocto off of a USB flash drive. | ||
106 | |||
107 | Under Linux, insert a USB flash drive. Assuming the USB flash drive | ||
108 | takes device /dev/sdf, use dd to copy the live image to it. For | ||
109 | example: | ||
110 | |||
111 | # dd if=core-image-sato-n450.hddimg of=/dev/sdf | ||
112 | # sync | ||
113 | # eject /dev/sdf | ||
114 | |||
115 | This should give you a bootable USB flash device. Insert the device | ||
116 | into a bootable USB socket on the target, and power on. This should | ||
117 | result in a system booted to the Sato graphical desktop. | ||
118 | |||
119 | If you want a terminal, use the arrows at the top of the UI to move to | ||
120 | different pages of available applications, one of which is named | ||
121 | 'Terminal'. Clicking that should give you a root terminal. | ||
122 | |||
123 | If you want to ssh into the system, you can use the root terminal to | ||
124 | ifconfig the IP address and use that to ssh in. The root password is | ||
125 | empty, so to log in type 'root' for the user name and hit 'Enter' at | ||
126 | the Password prompt: and you should be in. | ||
127 | |||
128 | ---- | ||
129 | |||
130 | If you find you're getting corrupt images on the USB (it doesn't show | ||
131 | the syslinux boot: prompt, or the boot: prompt contains strange | ||
132 | characters), try doing this first: | ||
133 | |||
134 | # dd if=/dev/zero of=/dev/sdf bs=1M count=512 | ||