All about software for the original iMX6 Rex.
How to - Bricked module and flashing uBoot 2014 (done by Luke)
How to build and run Ogre3D demo samples on the iMX6 Rex (done by Ramin)
How to compile i.MX6 Linux Kernel 3.15 and 3.16 (credit goes to Robert Nelson)
How to create a filesystem (credit goes to Sam Nazarko)
YOCTO is just another way to get uBoot and Linux for iMX6 Rex. The difference comparing to a stand alone compilation is, that Freescale is supporting iMX6 CPU through YOCTO and therefore if you for example need to use iMX6 GPU or camera interface, you may want to consider YOCTO for your project:
Latest source codes can be found at https://github.com/FEDEVEL. Read "How to uBoot – Compile, Flash, Update" to learn how to get the source codes and compile them.
Binaries and other files: Go to Download > Design Files > iMX6 Rex Development Baseboard > V1I1 > Firmware
Kernel 3.15 & Kernel 3.16 (by Robert Nelson). Read "How to compile i.MX6 Linux Kernel 3.15 and 3.16" to learn how to get the source code and compile it.