It appears that Samsung is preparing to open-source some code pertaining to their Exynos ARM SoC. At an event this weekend (YouTube stream), Samsung said they will open-source the kernel and platform components of their Exynos SoC. This new code is said to be dual-licensed under the GPLv2 and Apache 2.0 licenses.
Samsung also says it will support ARM Mali GPU driver development, which it uses with its Exynos SoC. It's not known at the moment whether this means supporting the community Lima driver project or something else.
As part of this new open-source initiative, Samsung looks like it will be upping its Linux support for the Origenboard, its primary Exynos development board.