FreeBSD on Freescale i.MX6 systems

The Freescale i.MX6 family of SoCs is available in single, dual, and quad core versions. These SoCs are showing up in a growing number of development boards and small low power computer systems. FreeBSD has basic support for many of these boards and systems, including the following:

• Wandboard
• CuBox i4-pro (work in progress; boots but no ethernet yet)
• Utilite (support not yet confirmed)

Development of FreeBSD i.MX6 support is active and ongoing. For the latest information or help with anything, please send an email to freebsd-arm@freebsd.org.

FreeBSD 11 boots to multiuser mode on Solo, Dual, and Quad SoCs. The following device drivers are available:

• Serial console
• uarts [tested up to 1mbaud]
• i2c
• USB 2.0
• SD Card (iMMC support not verified yet)
• Gigibit ethernet (hw limits throughput to 40MB/s, driver currently achieves 26MB/s)
• Basic CPU thermal management (frequency is scaled back if temperature limits are exceeded)
• Hardware floating point

Lots of device drivers still need to be written, including:

• Audio
• Video / framebuffer
• SATA [work is in progress]
• PCIe
• SPI
• CCM (clocks, work is in progress)
• PMU (power managment)

The Crochet script supports Wandboard and is probably the easiest way to get started with FreeBSD on i.MX6.