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README
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This layer provides support for Microchip microprocessors (aka AT91)
====================================================================
For more information about the Microchip MPU product line see:
http://www.microchip.com/design-centers/32-bit-mpus
Linux & Open Source on Microchip microprocessors:
http://www.linux4sam.org
Supported SoCs / MACHINE names
==============================
Note that most of the machine names below, have a SD Card variant that can be
built by adding an "-sd" suffix to the machine name.
- SAMA5D2 product family / sama5d2-xplained, sama5d2-xplained-emmc, sama5d27-som1-ek-sd, sama5d2-ptc-ek, sama5d2-icp, sama5d27-wlsom1-ek-sd
- SAMA5D4 product family / sama5d4ek, sama5d4-xplained
- SAMA5D3 product family / sama5d3xek, sama5d3-xplained
- AT91SAM9x5 product family (AT91SAM9G15, AT91SAM9G25, AT91SAM9X25, AT91SAM9G35 and AT91SAM9X35) / at91sam9x5ek
- AT91SAM9RL / at91sam9rlek
- AT91SAM9G45 / at91sam9m10g45ek
- SAM9X60 / sam9x60ek
Sources
=======
- meta-atmel
URI: git://github.com/linux4sam/meta-atmel.git
URI: https://github.com/linux4sam/meta-atmel.git
Branch: dunfell
Dependencies
============
This Layer depends on :
- poky
URI: git://git.yoctoproject.org/poky
Branch: dunfell
Tag: 33fdf03169ab2a3355e090d41ba034855d47f865
- meta-openembedded
URI: git://git.openembedded.org/meta-openembedded
URI: http://cgit.openembedded.org/meta-openembedded/
Branch: dunfell
Tag: a62ad77973b16daac1cbaa03cbda3c6b9b91f2ff
- meta-aws (for AWS Greengrass, mandatory for SAMA5D2 microchip-* images)
URI: git://github.com/aws/meta-aws.git
URI: https://github.com/aws/meta-aws
Branch: dunfell
Tag: 6fdd1bd619bde0207e990dde13f5a512e5a6552b
Build procedure
===============
0/ Create a directory
mkdir my_dir
cd my_dir
1/ Clone yocto/poky git repository with the proper branch ready
git clone git://git.yoctoproject.org/poky -b dunfell
2/ Clone meta-openembedded git repository with the proper branch ready
git clone git://git.openembedded.org/meta-openembedded -b dunfell
3/ Clone meta-aws git repository with the proper branch ready
git clone git://github.com/aws/meta-aws -b dunfell
4/ Clone meta-atmel layer with the proper branch ready
git clone git://github.com/linux4sam/meta-atmel.git -b dunfell
5/ Clone aws layer with the proper branch ready
git clone git://github.com/aws/meta-aws -b dunfell
6/ Enter the poky directory to configure the build system and start the build process
cd poky
7/ Change TEMPLATECONF from .templateconf to:
export TEMPLATECONF=${TEMPLATECONF:-../meta-atmel/conf}
Note: If it's the first time you use Yocto Project templates, and if the
build-microchip directory remains from a previous use, we advice you start
from a fresh directory. Keep your build-microchip/conf/local.conf file for
reference.
8/ Initialize build directory
source oe-init-build-env build-microchip
9/ Build core minimal image
[MACHINE=<machine>] bitbake core-image-minimal
10/ Build images
[MACHINE=<machine>] bitbake microchip-headless-image
Typical bitbake output
======================
Build Configuration:
BB_VERSION = "1.46.0"
BUILD_SYS = "x86_64-linux"
NATIVELSBSTRING = "universal"
TARGET_SYS = "arm-poky-linux-gnueabi"
MACHINE = "sama5d2-xplained-sd"
DISTRO = "poky-atmel"
DISTRO_VERSION = "3.1"
TUNE_FEATURES = "arm vfp cortexa5 neon vfpv4 thumb callconvention-hard"
TARGET_FPU = "hard"
meta
meta-poky
meta-yocto-bsp = "dunfell:33fdf03169ab2a3355e090d41ba034855d47f865"
meta-oe
meta-networking
meta-python
meta-initramfs
meta-multimedia = "dunfell:a62ad77973b16daac1cbaa03cbda3c6b9b91f2ff"
meta-atmel = "dunfell:796eaa3c34b3474a13267544e432e348582370c1"
meta-aws = "dunfell:6fdd1bd619bde0207e990dde13f5a512e5a6552b"
Contributing
============
To contribute to this layer you should submit the patches for review to:
the github pull-request facility directly or the forum. Anyway, don't forget to
Cc the maintainers.
AT91 Forum:
http://www.at91.com/discussions/
for some useful guidelines to be followed when submitting patches:
http://www.openembedded.org/wiki/How_to_submit_a_patch_to_OpenEmbedded
Maintainers:
Codrin Ciubotariu <[email protected]>
Nicolas Ferre <[email protected]>
When creating patches insert the [meta-atmel] tag in the subject, for example
use something like:
git format-patch -s --subject-prefix='meta-atmel][PATCH' <origin>