seems there is no standard bus in mips not like amba in arm or coreconnect in powerpc' r5 L+ C' J8 k6 |2 b' O" k/ v
I know many corp use soc bus from company Sonics (refer to http://www.sonicsinc.com/)& ?: y; c+ P* @; `4 ^+ p
ocp is so new i know less