PSC_ENETWR_CMD
psc_reg2(PSC_ENETWR_CMD + PSC_SET0) = 0x1100;
psc_reg2(PSC_ENETWR_CMD + PSC_SET1) = 0x1100;
psc_reg2(PSC_ENETWR_CMD + sc->sc_txset) = 0x9800;
psc_reg2(PSC_ENETWR_CMD + sc->sc_txseti) = 0x100;