PSC_CR
WR1(sc, PSC_CR, CMD_RESET_RX);
WR1(sc, PSC_CR, CMD_RESET_TX);
WR1(sc, PSC_CR, CMD_RESET_ERR);
WR1(sc, PSC_CR, CMD_RESET_MR);
WR1(sc, PSC_CR, CMD_TX_DISABLE | CMD_RX_DISABLE);
WR1(sc, PSC_CR, CMD_TX_ENABLE | CMD_RX_ENABLE);
PSC_WRITE_1(sc, PSC_CR, CMD_TX_DISABLE | CMD_RX_DISABLE);
PSC_WRITE_1(sc, PSC_CR, CMD_RESET_MR);
PSC_WRITE_1(sc, PSC_CR, CMD_RESET_MR);
PSC_WRITE_1(sc, PSC_CR, CMD_RESET_ERR);
PSC_WRITE_1(sc, PSC_CR, CMD_TX_ENABLE | CMD_RX_ENABLE);
bus_space_write_1(iot, ioh, PSC_CR, CMD_TX_DISABLE | CMD_RX_DISABLE);
bus_space_write_1(iot, ioh, PSC_CR, CMD_TX_ENABLE | CMD_RX_ENABLE);
PSC_WRITE_1(sc, PSC_CR, CMD_RESET_ERR);