Linux 4.17 To Support Microsemi Ocelot MIPS SoCs
Written by Michael Larabel in Hardware on 10 April 2018 at 03:29 PM EDT. 3 Comments
HARDWARE --
There are old CPU architectures being dropped from the Linux 4.17 kernel while also some new CPU support added. The latest work added with the busy Linux 4.17 development cycle is support for the MIPS-based Microsemi Ocelot SoCs.

The Ocelot SoCs are manufactured by Microsemi and used to power a range of Ethernet switches and other devices from security cameras to industrial controls. Ocelot has been around since 2016. The onboard MIPS processor appears to run around 500MHz.

With the MIPS architecture updates for Linux 4.17 is initial platform support for the Microsemi Ocelot SoCs and DeviceTree files for their PCB123 board. This MIPS pull also has CRC32 and CRC32C hardware acceleration support and other fixes and improvements.

More details on the Linux 4.17 MIPS changes can be found via this Git merge.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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