Those are only a tiny part of what Broadcom actually has in terms of documentation for the SoC.
Look at the full set of documentation for a modern ARM SoC that does have it available (e.g. TI's Sitara series - which still doesn't have the GPU docs included) and you'll see that it is several thousand pages long.
Look at the full set of documentation for a modern ARM SoC that does have it available (e.g. TI's Sitara series - which still doesn't have the GPU docs included) and you'll see that it is several thousand pages long.