Otavio> We've been working close to Freescale on a Yocto based BSP Otavio> (https://github.com/Freescale/fsl-community-bsp-platform); if they Otavio> want to move from LTIB please ask them to talk to us, if they need any Otavio> customization service.

We also have basic mx53 support in Buildroot:

http://git.buildroot.net/buildroot/tree/configs/mx53loco_defconfig