svn commit: r185576 - head/sys/dev/ale

[Pyun YongHyeon]

Author: yongari
Date: Wed Dec  3 08:56:01 2008
New Revision: 185576
URL: http://svn.freebsd.org/changeset/base/185576

Log:
  Add some PHY magic to enable PHY hibernation and 1000baseT/10baseT
  power adjustment. This change is required to guarantee correct
  operation on certain switches.
  
  Submitted by:	Jie Yang < Jie.Yang <> Atheros com >

Modified:
  head/sys/dev/ale/if_ale.c

Modified: head/sys/dev/ale/if_ale.c
==============================================================================
--- head/sys/dev/ale/if_ale.c	Wed Dec  3 03:20:18 2008	(r185575)
+++ head/sys/dev/ale/if_ale.c	Wed Dec  3 08:56:01 2008	(r185576)
@@ -385,6 +385,39 @@ ale_phy_reset(struct ale_softc *sc)
 	    GPHY_CTRL_EXT_RESET | GPHY_CTRL_HIB_EN | GPHY_CTRL_HIB_PULSE |
 	    GPHY_CTRL_SEL_ANA_RESET | GPHY_CTRL_PHY_PLL_ON);
 	DELAY(1000);
+
+#define	ATPHY_DBG_ADDR		0x1D
+#define	ATPHY_DBG_DATA		0x1E
+
+	/* Enable hibernation mode. */
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x0B);
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_DATA, 0xBC00);
+	/* Set Class A/B for all modes. */
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x00);
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_DATA, 0x02EF);
+	/* Enable 10BT power saving. */
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x12);
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_DATA, 0x4C04);
+	/* Adjust 1000T power. */
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x04);
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x8BBB);
+	/* 10BT center tap voltage. */
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x05);
+	ale_miibus_writereg(sc->ale_dev, sc->ale_phyaddr,
+	    ATPHY_DBG_ADDR, 0x2C46);
+
+#undef	ATPHY_DBG_ADDR
+#undef	ATPHY_DBG_DATA
+	DELAY(1000);
 }
 
 static int