Follow Broadcom datasheet:

Delay 100 microseconds after enabling transmit MAC. Delay 10 microseconds after enabling receive MAC.
2012-10-05 07:13:21 +00:00 · 2012-10-05 07:13:21 +00:00 · a6e66cd28b
commit a6e66cd28b
parent 9b80ffe78f
1 changed files with 2 additions and 0 deletions
--- a/sys/dev/bge/if_bge.c
+++ b/sys/dev/bge/if_bge.c
@ -5033,9 +5033,11 @@ bge_init_locked(struct bge_softc *sc)
 	}
 	/* Turn on transmitter. */
 	CSR_WRITE_4(sc, BGE_TX_MODE, mode | BGE_TXMODE_ENABLE);
+	DELAY(100);

 	/* Turn on receiver. */
 	BGE_SETBIT(sc, BGE_RX_MODE, BGE_RXMODE_ENABLE);
+	DELAY(10);

 	/*
 	 * Set the number of good frames to receive after RX MBUF