Qualcomm Snapdragon 8 Gen 2 SoC gets upstream Linux support

Qualcomm unveiled the Snapdragon 8 Gen 2 mobile platform just a few days ago, but Linaro has just announced that Linux was already upstreamed to the premium mobile SoC featuring a 3.2 GHz Arm Cortex-X3 “Prime” core, four performance cores at up to 2.8 GHz, and three Efficiency cores clocked at up to 2.0 GHz.

Most of the work was done by Linaro Engineers Abel Vesa and Neil Armstrong with initial support posted on November 16th on the Linux kernel mailing list, and with the set of patches released so far, it is even possible to boot a minimal AOSP image on a Snapdragon 8 Gen 2 development kit shown below which should be manufactured by Lantronix, if history is any guide.

Snapdragon 8 Gen 2 Linux

The following features are enabled in mainline Linux for the Qualcomm 8 Gen 2 processor, codenamed SM8550:

  • Qualcomm Kryo CPUs with DVFS and Power Control support
  • System – Clocks, Power controllers, PMICs
  • Storage interfaces – UFS, SDXC
  • High-Speed Peripherals – PCIe Gen3 and Gen4, USB SuperSpeed (5Gbps)
  • Low-Speed I/O – I2C, SPI
  • Qualcomm Hexagon Processor Subsystems namely Audio, Sensors, Compute, and Modem

Code development for upstreaming the Linux kernel for the SM8550 can also be followed on the CodeLinaro website where you’ll get the patch sets and source code. Linaro is now working on implementing support display, audio, and modem use cases.

In the announcement on the Linaro blog, Neil Amstrong further provides instructions explaining how to build a minimal AOSP image from scratch, and run it on the Snapdragon 8 Gen 2 development kit which does not seem to be available to the general public just yet. Lantronix would typically announce such a hardware development platform a couple of months after the processor is unveiled just like they did for the Snapdragon 888 Mobile Development Kit for instance. Most of that work is done on behalf of Qualcomm with a focus on Android, but that could also make Linux easier to port on recent Qualcomm Snapdragon hardware.

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11 Comments
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Willy
15 days ago

Great. If SoC vendors start to understand that upstreaming early costs less by having less work to do over time (less rebasing etc) and helps collect more structured feedback, maybe we can hope for a better situation in the ARM world over the long term.

William Barath
13 days ago

And maybe the precedent will help encourage RISC-V vendors do the right thing as well.

bernstein
bernstein
10 days ago

yeah, really hope others step up! because, knowing history, getting this soc in a sbc ain’t going to happen before 2030…$

hopefuly i’m wrong, and now that they have mainline linux support, someone will bother making a snapdragon sbc!

Anonymous
Anonymous
14 days ago

This is the one that finally adds AV1 decode.

Cameron
Cameron
14 days ago

How many lanes of pcie3?

tkaiser
tkaiser
14 days ago

According to upstreamed commits it’s Gen3 x2 and Gen4 x2.

ARM fan boy
ARM fan boy
13 days ago

Which YouTube channel does reviews about Lantronix products?
Because are very interesting and powerful sbc (unfortunately expensive) but ETA doesn’t like Explaining C. or others that I follow.

Willy
12 days ago

Not really sure what you’re looking for, and I couldn’t parse your second sentence at all.

Anonymous
Anonymous
12 days ago

He was trying to say that ETA Prime, Explaining Computers, and other YouTube channels that review single board computers do not review Lantronix products.

Which is not a surprise, since they are clearly not priced for consumers or hobbyists. The Snapdragon 888 Mobile Development Kit was $1349+.

youtube com/user/Mretaprime/videos
youtube com/user/explainingcomputers/videos

Willy
11 days ago

Thanks for decoding 🙂 Never heard about these. For me ETA means “estimated time of arrival” or “estimated time of accomplishment”.

Well, there are a few links above in the article, it’s getting concerning if some people can’t read them and need someone else to do it for them on youtube :-/

BinShuf
BinShuf
11 days ago

Does this mean we have good prospects for postmarketOS on snapdragon 8xx soon-ish?

Weller PCB manufacturer