RTW_RCR
RTW_WRITE(regs, RTW_RCR, rsc->sc_rcr);
RTW_SYNC(regs, RTW_MAR0, RTW_RCR); /* RTW_MAR0 < RTW_MAR1 < RTW_RCR */
RTW_READ(regs, RTW_MAR1), RTW_READ(regs, RTW_RCR));
RTW_WRITE(regs, RTW_RCR, rsc->sc_rcr);
RTW_WRITE(regs, RTW_RCR, REVAB);
RTW_WBW(regs, RTW_RCR, RTW_RCR);
RTW_WRITE(regs, RTW_RCR, REVC);
RTW_WBR(regs, RTW_RCR, RTW_RCR);
if ((RTW_READ(regs, RTW_RCR) & REVC) == REVC)
RTW_WRITE(regs, RTW_RCR, rcr0); /* restore RCR */
RTW_SYNC(regs, RTW_RCR, RTW_RCR);
PRINTREG32(regs, RTW_RCR);
RTW_WRITE(regs, RTW_RCR, rsc->sc_rcr);
RTW_WRITE(regs, RTW_RCR, rsc->sc_rcr);
RTW_SYNC(regs, RTW_MAR0, RTW_RCR);
RTW_WRITE(regs, RTW_RCR, rsc->sc_rcr);
RTW_SYNC(regs, RTW_MAR0, RTW_RCR);
rsc->sc_rcr = RTW_READ(&rsc->sc_regs, RTW_RCR);