This machine configuration is for the Raspberry Pi 2B V1.2 (64-bit).
Note: Raspberry Pi 2 Model B V1.2[1] switched from BCM2836[2] (V1.0,
V1.1) to BCM2837[3] that is 64-bit CPU used in Raspberry Pi 3 Model B.
BCM2836[2]
The Broadcom chip used in the Raspberry Pi 2 Model B. The
underlying architecture in BCM2836 is identical to BCM2835. The
only significant difference is the removal of the ARM1176JZF-S
processor and replacement with a quad-core Cortex-A7 cluster.
BCM2837[3]
This is the Broadcom chip used in the Raspberry Pi 3 Model B,
later models of the Raspberry Pi 2 Model B, and the Raspberry Pi
Compute Module 3. The underlying architecture of the BCM2837 is
identical to the BCM2836. The only significant difference is the
replacement of the ARMv7 quad core cluster with a quad-core ARM
Cortex A53 (ARMv8) cluster.
The ARM cores run at 1.2GHz, making the device about 50% faster
than the Raspberry Pi 2. The VideoCore IV runs at 400MHz.
See:
Poky (Yocto Project Reference Distro) 5.2.99+snapshot-cfbb00657ab961a3c3a8e6619fc08a2a3f4255c7 raspberrypi2-64 ttyAMA0
raspberrypi2-64 login: root
WARNING: Poky is a reference Yocto Project distribution that should be used for testing and development purposes only. It is recommended that you create your own distribution for production use.
root@raspberrypi2-64:~# uname -a
Linux raspberrypi2-64 6.12.41-v8 #1 SMP PREEMPT Thu Aug 7 16:48:46 UTC 2025 aarch64 GNU/Linux
root@raspberrypi2-64:~# cat /proc/device-tree/compatible
raspberrypi,2-model-b-rev2brcm,bcm2837
root@raspberrypi2-64:~# tty
/dev/ttyAMA0
root@raspberrypi2-64:~# dmesg | head
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[ 0.000000] Linux version 6.12.41-v8 (oe-user@oe-host) (aarch64-poky-linux-gcc (GCC) 15.2.0, GNU ld (GNU Binutils) 2.45.0.20250908) #1 SMP PREEMPT Thu Aug 7 16:48:46 UTC 2025
[ 0.000000] KASLR enabled
[ 0.000000] random: crng init done
[ 0.000000] Machine model: Raspberry Pi 2 Model B Rev 1.2
[ 0.000000] efi: UEFI not found.
[ 0.000000] Reserved memory: created CMA memory pool at 0x000000001ec00000, size 256 MiB
[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[ 0.000000] OF: reserved mem: 0x000000001ec00000..0x000000002ebfffff (262144 KiB) map reusable linux,cma
[ 0.000000] NUMA: Faking a node at [mem 0x0000000000000000-0x000000003b3fffff]
[1]: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#flagship-series
[2]: https://www.raspberrypi.com/documentation/computers/processors.html#bcm2836
[3]: https://www.raspberrypi.com/documentation/computers/processors.html#bcm2837
Signed-off-by: Gaël PORTAY <gael.portay@rtone.fr>
The new raspberrypi-armv8.conf aims at supporting all the ARMv8
Raspberry Pi boards.
This initial support was tested on:
* Raspberry Pi 4 Model B
* Raspberry Pi 3 Model B
* Raspberry Pi 0 2 WiFi
Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>
The new raspberrypi-armv7.conf aims at supporting all the ARMv7
Raspberry Pi boards.
This initial support was tested on:
* Raspberry Pi 4 Model B
* Raspberry Pi 3 Model B
* Raspberry Pi 0 2 WiFi
Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>
The attempt to Raspbian updated firmware blobs in packages separate from
linux-firmware introduced unresolvable conflicts with the standard
linux-firmware roll-up package. Revert to using an augmented
linux-firmware recipe that overrides and adds firmware from two Raspbian
repositories that have up-to-date images.
Closes#244
Signed-off-by: Peter A. Bigot <pab@pabigot.com>
The top-level README document has got pretty unwieldy and so we need to
switch to add some more structure to our documentation. The first step
is to split out sub-sections of the README document into separate files
in a new 'docs' directory.
Whilst splitting up the README, we can also take the opportunity to tidy
things up and fix a couple of typos.
Signed-off-by: Paul Barker <pbarker@toganlabs.com>
