1 files changed, 10 insertions, 0 deletions

diff --git a/sys/dev/mii/lxtphy.c b/sys/dev/mii/lxtphy.c
index 9945fb284d24..d506042f0e3d 100644
--- a/sys/dev/mii/lxtphy.c
+++ b/sys/dev/mii/lxtphy.c
@@ -139,6 +139,7 @@ lxtphy_attach(device_t dev)
 	struct mii_softc *sc;
 	struct mii_attach_args *ma;
 	struct mii_data *mii;
+	const char *nic;
 
 	sc = device_get_softc(dev);
 	ma = device_get_ivars(dev);
@@ -159,6 +160,15 @@ lxtphy_attach(device_t dev)
 	    PHY_READ(sc, MII_BMSR) & ma->mii_capmask;
 	device_printf(dev, " ");
 
+	/*
+	 * On Apple BMAC controllers, we end up in a weird state
+	 * of partially-completed autonegotiation on boot. So
+	 * force autonegotation to try again.
+	 */
+	nic = device_get_name(device_get_parent(sc->mii_dev));
+	if (strcmp(nic, "bm") == 0)
+		sc->mii_flags |= MIIF_FORCEANEG | MIIF_NOISOLATE;
+
 #define	ADD(m, c)	ifmedia_add(&mii->mii_media, (m), (c), NULL)
 	ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_FX, 0, sc->mii_inst),
 	    MII_MEDIA_100_TX);