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Date:      Fri, 22 May 2015 14:25:24 +0000 (UTC)
From:      Andrew Turner <andrew@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r283287 - head/sys/arm/ti/cpsw
Message-ID:  <201505221425.t4MEPOme056918@svn.freebsd.org>

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Author: andrew
Date: Fri May 22 14:25:23 2015
New Revision: 283287
URL: https://svnweb.freebsd.org/changeset/base/283287

Log:
  Add a miibus_statchg and use it to enable Gigabit mode when appropriate.
  
  MFC after:	1 week

Modified:
  head/sys/arm/ti/cpsw/if_cpsw.c

Modified: head/sys/arm/ti/cpsw/if_cpsw.c
==============================================================================
--- head/sys/arm/ti/cpsw/if_cpsw.c	Fri May 22 12:01:29 2015	(r283286)
+++ head/sys/arm/ti/cpsw/if_cpsw.c	Fri May 22 14:25:23 2015	(r283287)
@@ -113,6 +113,7 @@ static int cpsw_ioctl(struct ifnet *, u_
 
 static int cpsw_miibus_readreg(device_t, int phy, int reg);
 static int cpsw_miibus_writereg(device_t, int phy, int reg, int value);
+static void cpsw_miibus_statchg(device_t);
 
 /* Send/Receive packets. */
 static void cpsw_intr_rx(void *arg);
@@ -179,6 +180,7 @@ static device_method_t cpsw_methods[] = 
 	/* MII interface */
 	DEVMETHOD(miibus_readreg,	cpsw_miibus_readreg),
 	DEVMETHOD(miibus_writereg,	cpsw_miibus_writereg),
+	DEVMETHOD(miibus_statchg,	cpsw_miibus_statchg),
 	{ 0, 0 }
 };
 
@@ -1265,6 +1267,36 @@ cpsw_miibus_writereg(device_t dev, int p
 	return 0;
 }
 
+static void
+cpsw_miibus_statchg(device_t dev)
+{
+	struct cpsw_softc *sc = device_get_softc(dev);
+	uint32_t mac_control;
+	int i;
+
+	CPSW_DEBUGF((""));
+
+	for (i = 0; i < 2; i++) {
+		mac_control = cpsw_read_4(sc, CPSW_SL_MACCONTROL(i));
+		mac_control &= ~(1 << 15 | 1 << 7);
+
+		switch(IFM_SUBTYPE(sc->mii->mii_media_active)) {
+		case IFM_1000_SX:
+		case IFM_1000_LX:
+		case IFM_1000_CX:
+		case IFM_1000_T:
+			mac_control |= 1 << 7;
+			break;
+
+		default:
+			mac_control |= 1 << 15;
+			break;
+		}
+
+		cpsw_write_4(sc, CPSW_SL_MACCONTROL(i), mac_control);
+	}
+}
+
 /*
  *
  * Transmit/Receive Packets.



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