Even though it was said that the Fairphone will be completely open, the sourcecode of the MediaTek chip (MT6589M) is still not available (update: that was true for the time of writing. Luckily as of now, sourcecode is available and a custom ROM is in the making, see Developtment and Original Development Subforums). The link to the linux sourcecode except for the MediaTek part is here:
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