Added support for the Intel 82555 PHY chip which is being used on newer

Pro/100B cards. Full duplex should work now, although it hasn't been
tested.

2 files changed, 25 insertions, 20 deletions

diff --git a/sys/dev/fxp/if_fxp.c b/sys/dev/fxp/if_fxp.c
index a6d2398..09542a0 100644
--- a/sys/dev/fxp/if_fxp.c
+++ b/sys/dev/fxp/if_fxp.c
@@ -24,7 +24,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: if_fxp.c,v 1.33 1997/03/25 14:54:38 davidg Exp $
+ *	$Id: if_fxp.c,v 1.34 1997/04/23 01:44:30 davidg Exp $
  */
 
 /*
@@ -963,15 +963,18 @@ fxp_init(xsc)
 	csr->scb_command = FXP_SCB_COMMAND_RU_START;
 
 	/*
-	 * Toggle a few bits in the DP83840 PHY.
+	 * Toggle a few bits in the PHY.
 	 */
-	if (sc->phy_primary_device == FXP_PHY_DP83840 ||
-	     sc->phy_primary_device == FXP_PHY_DP83840A) {
+	switch (sc->phy_primary_device) {
+	case FXP_PHY_DP83840:
+	case FXP_PHY_DP83840A:
 		fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_PCR,
 		    fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_PCR) |
 		    FXP_DP83840_PCR_LED4_MODE |	/* LED4 always indicates duplex */
 		    FXP_DP83840_PCR_F_CONNECT |	/* force link disconnect bypass */
 		    FXP_DP83840_PCR_BIT10);	/* XXX I have no idea */
+		/* fall through */
+	case FXP_PHY_82555:
 		/*
 		 * If link0 is set, disable auto-negotiation and then:
 		 *	If link1 is unset = 10Mbps
@@ -983,19 +986,20 @@ fxp_init(xsc)
 			int flags;
 
 			flags = (ifp->if_flags & IFF_LINK1) ?
-			     FXP_DP83840_BMCR_SPEED_100M : 0;
+			     FXP_PHY_BMCR_SPEED_100M : 0;
 			flags |= (ifp->if_flags & IFF_LINK2) ?
-			     FXP_DP83840_BMCR_FULLDUPLEX : 0;
-			fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR,
-			    (fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR) &
-			    ~(FXP_DP83840_BMCR_AUTOEN | FXP_DP83840_BMCR_SPEED_100M |
-			     FXP_DP83840_BMCR_FULLDUPLEX)) | flags);
+			     FXP_PHY_BMCR_FULLDUPLEX : 0;
+			fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_PHY_BMCR,
+			    (fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_PHY_BMCR) &
+			    ~(FXP_PHY_BMCR_AUTOEN | FXP_PHY_BMCR_SPEED_100M |
+			     FXP_PHY_BMCR_FULLDUPLEX)) | flags);
 		} else {
-			fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR,
-			    (fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_DP83840_BMCR) |
-			    FXP_DP83840_BMCR_AUTOEN));
+			fxp_mdi_write(sc->csr, sc->phy_primary_addr, FXP_PHY_BMCR,
+			    (fxp_mdi_read(sc->csr, sc->phy_primary_addr, FXP_PHY_BMCR) |
+			    FXP_PHY_BMCR_AUTOEN));
 		}
-	} else {
+		break;
+	default:
 		printf("fxp%d: warning: unsupported PHY, type = %d, addr = %d\n",
 		     ifp->if_unit, sc->phy_primary_device, sc->phy_primary_addr);
 	}
diff --git a/sys/dev/fxp/if_fxpreg.h b/sys/dev/fxp/if_fxpreg.h
index 693e243..0708dff 100644
--- a/sys/dev/fxp/if_fxpreg.h
+++ b/sys/dev/fxp/if_fxpreg.h
@@ -24,7 +24,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: if_fxpreg.h,v 1.7 1997/03/17 11:08:16 davidg Exp $
+ *	$Id: if_fxpreg.h,v 1.8 1997/03/21 08:00:13 davidg Exp $
  */
 
 #define FXP_VENDORID_INTEL	0x8086
@@ -292,15 +292,16 @@ struct fxp_stats {
 #define FXP_PHY_DP83840		4
 #define FXP_PHY_80C240		5
 #define FXP_PHY_80C24		6
+#define FXP_PHY_82555		7
 #define FXP_PHY_DP83840A	10
 
 /*
- * DP84830 PHY, BMCR Basic Mode Control Register
+ * PHY BMCR Basic Mode Control Register
  */
-#define FXP_DP83840_BMCR		0x0
-#define FXP_DP83840_BMCR_FULLDUPLEX	0x0100
-#define FXP_DP83840_BMCR_AUTOEN		0x1000
-#define FXP_DP83840_BMCR_SPEED_100M	0x2000
+#define FXP_PHY_BMCR			0x0
+#define FXP_PHY_BMCR_FULLDUPLEX		0x0100
+#define FXP_PHY_BMCR_AUTOEN		0x1000
+#define FXP_PHY_BMCR_SPEED_100M		0x2000
 
 /*
  * DP84830 PHY, PCS Configuration Register