This is the home of the Yocto/Open Embedded on SMARC space. From these links you will find quick instructions for getting Linux binary images, feed packages, and an SDK running on these development boards.
SMARC Development Boards:
NXP/Freescale i.MX8M Series:
SMARC-iMX8M (Sumo release of Yocto, U-Boot v2018.03 and Linux Kernel 4.14.78)
SMARC-iMX8M (Rocko relese of Yocto, U-Boot v2017.03 and Linux Kernel 4.9.51)
NXP/Freescale i.MX7 Series:
SMARC-FiMX7 (Rocko relese of Yocto, U-Boot v2017.03 and Linux Kernel 4.9.88)
SMARC-FiMX7 (Morty relese of Yocto, U-Boot v2017.03 and Linux Kernel 4.9.11)
SMARC-FiMX7 (Krogoth relese of Yocto, U-Boot v2016.03 and Linux Kernel 4.1.15)
NXP/Freescale i.MX6 Series:
SMARC-FiMX6 (Rocko relese of Yocto, U-Boot v2017.03 and Linux Kernel 4.9.88)
SMARC-FiMX6 (Morty relese of Yocto, U-Boot v2017.03 and Linux Kernel 4.9.11)
SMARC-FiMX6 (Jethro relese of Yocto, U-Boot v2015.04 and Linux Kernel 4.1.15)
SMARC-FiMX6 (Fido release of Yocto, U-Boot v2014.04 and Linux Kernel 3.14.28)
Texas Instrument Sitara AM437X Series:
SMARC-T4378 (Processor-SDK-04.01.00.06, Morty, U-boot 2017.01 and Linux kernel v4.9)
SMARC-T4378 (Processor-SDK-03.00.00.04, Krogoth, U-boot 2016.05 and Linux kernel v4.4)
SMARC-T4378 (Processor-SDK-02.00.01.07, Jethro, U-boot 2015.07 and Linux kernel v4.1)
Texas Instrument Sitera AM335X Series: