RGE_MCUCMD
if ((RGE_READ_1(sc, RGE_MCUCMD) & (RGE_MCUCMD_RXFIFO_EMPTY |
RGE_CLRBIT_1(sc, RGE_MCUCMD, RGE_MCUCMD_IS_OOB);
RGE_SETBIT_1(sc, RGE_MCUCMD, 0x01);