--- src/sys/arch/macppc/dev/wdc_obio.c.orig	Wed May 24 19:11:48 2000
+++ src/sys/arch/macppc/dev/wdc_obio.c	Mon Jun 12 06:08:48 2000
@@ -121,6 +121,7 @@
 	struct channel_softc *chp = &sc->wdc_channel;
 	int intr;
 	int use_dma = 0;
+	u_int x;
 	char path[80];
 
 	if (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & WDC_OPTIONS_DMA) {
@@ -185,6 +186,11 @@
 		sc->sc_wdcdev.sc_dev.dv_xname);
 		return;
 	}
+
+	x = in32rb(0xf3000038);
+	printf("feature reg = 0x%x\n", x);
+	x |= 0xbeff7a;
+	out32rb(0xf3000038, x);
 
 #define OHARE_FEATURE_REG	0xf3000038