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# Layer Contents
## Supported Machines
* raspberrypi
* raspberrypi0
* raspberrypi0-wifi
* raspberrypi2
* raspberrypi3
* raspberrypi3-64 (64 bit kernel & userspace)
* raspberrypi-cm (dummy alias for raspberrypi)
* raspberrypi-cm3 (dummy alias for raspberrypi2)
Note: The raspberrypi3 machines include support for Raspberry Pi 3B+.
## Images
* rpi-hwup-image
* Hardware up image
* rpi-basic-image
* Based on rpi-hwup-image with some added features (ex: splash)
* rpi-test-image
* Image based on rpi-basic-image which includes most of the packages in this
layer and some media samples.
For other uses it's recommended to base images on `core-image-minimal` or
`core-image-base` as appropriate. The old image names (`rpi-hwup-image` and
`rpi-basic-image`) are deprecated.
## WiFi firmware blobs
Be aware that the WiFi firmwares for the supported boards are not provided by
`linux-firmware` but by a custom recipe which only packages the needed blobs
for these boards. This is because the upstream `linux-firmware` doesn't support
or has outdated files for the blobs we need. The recipe
`linux-firmware-raspbian` is based on a fork of `linux-firmware` which
includes everything we need in order to fully support the WiFi hardware. All
machines define `MACHINE_EXTRA_RRECOMMENDS` accordingly.
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