For new projects TQ strongly recommends to use the tqma28 platform (mainline kernel).
However, if your project has requirements not yet supported by the tqma28 platform (please check »Remarks« below), the tqma28-fsl platform (freescale kernel) may be an option.

Disclaimer
TQ-Systems GmbH provides the Board Support Packages (BSP) free of charge. The software included in the shipment has been configured individually for the starter kits. The software is only intended to evaluate the module. The use of the Board Support Packages (BSP) is only allowed within the scope of functionality described by TQ-Systems GmbH. TQ-Systems GmbH does not accept any liability for all further changes of the Board Support Package and for any damage resulting from its use.