Click on the ↓ orange arrow below to go to the original post containing the URL to the OMAP5432 documents, remember to log in on TI's website first, otherwise you'll be redirected.
There is both a public TRM (Technical Reference Manual) and a more complete one under NDA.
Luckily, the public one has surprisingly detailed documentation about the DDR controller (EMIF).
IIRC the NDA one only has additional documentation about the video encoder/decoder or something like that...