PC873_ECPEN
} else if (pcr & PC873_ECPEN) {
pcr |= (PC873_ECPEN | PC873_ECPCLK); /* XXX */
pcr &= ~(PC873_ECPEN | PC873_ECPCLK);
pcr &= ~(PC873_ECPEN | PC873_ECPCLK | PC873_EPPEN);