seems there is no standard bus in mips not like amba in arm or coreconnect in powerpc( f9 Y) n" q0 s s+ X- j' y' f
I know many corp use soc bus from company Sonics (refer to http://www.sonicsinc.com/) 9 p* K# J' u+ o5 k: Y6 T4 {ocp is so new i know less