summaryrefslogtreecommitdiff
path: root/drivers/net/phy/marvell.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/phy/marvell.c')
-rw-r--r--drivers/net/phy/marvell.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 22dec9c7ef05..202fe1ff1987 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -7,6 +7,8 @@
*
* Copyright (c) 2004 Freescale Semiconductor, Inc.
*
+ * Copyright (c) 2013 Michael Stapelberg <michael@stapelberg.de>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
@@ -80,6 +82,28 @@
#define MII_88E1318S_PHY_MSCR1_REG 16
#define MII_88E1318S_PHY_MSCR1_PAD_ODD BIT(6)
+/* Copper Specific Interrupt Enable Register */
+#define MII_88E1318S_PHY_CSIER 0x12
+/* WOL Event Interrupt Enable */
+#define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7)
+
+/* LED Timer Control Register */
+#define MII_88E1318S_PHY_LED_PAGE 0x03
+#define MII_88E1318S_PHY_LED_TCR 0x12
+#define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15)
+#define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7)
+#define MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW BIT(11)
+
+/* Magic Packet MAC address registers */
+#define MII_88E1318S_PHY_MAGIC_PACKET_WORD2 0x17
+#define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18
+#define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19
+
+#define MII_88E1318S_PHY_WOL_PAGE 0x11
+#define MII_88E1318S_PHY_WOL_CTRL 0x10
+#define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12)
+#define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14)
+
#define MII_88E1121_PHY_LED_CTRL 16
#define MII_88E1121_PHY_LED_PAGE 3
#define MII_88E1121_PHY_LED_DEF 0x0030
@@ -696,6 +720,107 @@ static int m88e1121_did_interrupt(struct phy_device *phydev)
return 0;
}
+static void m88e1318_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
+{
+ wol->supported = WAKE_MAGIC;
+ wol->wolopts = 0;
+
+ if (phy_write(phydev, MII_MARVELL_PHY_PAGE,
+ MII_88E1318S_PHY_WOL_PAGE) < 0)
+ return;
+
+ if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) &
+ MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
+ wol->wolopts |= WAKE_MAGIC;
+
+ if (phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00) < 0)
+ return;
+}
+
+static int m88e1318_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol)
+{
+ int err, oldpage, temp;
+
+ oldpage = phy_read(phydev, MII_MARVELL_PHY_PAGE);
+
+ if (wol->wolopts & WAKE_MAGIC) {
+ /* Explicitly switch to page 0x00, just to be sure */
+ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, 0x00);
+ if (err < 0)
+ return err;
+
+ /* Enable the WOL interrupt */
+ temp = phy_read(phydev, MII_88E1318S_PHY_CSIER);
+ temp |= MII_88E1318S_PHY_CSIER_WOL_EIE;
+ err = phy_write(phydev, MII_88E1318S_PHY_CSIER, temp);
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+ MII_88E1318S_PHY_LED_PAGE);
+ if (err < 0)
+ return err;
+
+ /* Setup LED[2] as interrupt pin (active low) */
+ temp = phy_read(phydev, MII_88E1318S_PHY_LED_TCR);
+ temp &= ~MII_88E1318S_PHY_LED_TCR_FORCE_INT;
+ temp |= MII_88E1318S_PHY_LED_TCR_INTn_ENABLE;
+ temp |= MII_88E1318S_PHY_LED_TCR_INT_ACTIVE_LOW;
+ err = phy_write(phydev, MII_88E1318S_PHY_LED_TCR, temp);
+ if (err < 0)
+ return err;
+
+ err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+ MII_88E1318S_PHY_WOL_PAGE);
+ if (err < 0)
+ return err;
+
+ /* Store the device address for the magic packet */
+ err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD2,
+ ((phydev->attached_dev->dev_addr[5] << 8) |
+ phydev->attached_dev->dev_addr[4]));
+ if (err < 0)
+ return err;
+ err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD1,
+ ((phydev->attached_dev->dev_addr[3] << 8) |
+ phydev->attached_dev->dev_addr[2]));
+ if (err < 0)
+ return err;
+ err = phy_write(phydev, MII_88E1318S_PHY_MAGIC_PACKET_WORD0,
+ ((phydev->attached_dev->dev_addr[1] << 8) |
+ phydev->attached_dev->dev_addr[0]));
+ if (err < 0)
+ return err;
+
+ /* Clear WOL status and enable magic packet matching */
+ temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
+ temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
+ temp |= MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
+ err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
+ if (err < 0)
+ return err;
+ } else {
+ err = phy_write(phydev, MII_MARVELL_PHY_PAGE,
+ MII_88E1318S_PHY_WOL_PAGE);
+ if (err < 0)
+ return err;
+
+ /* Clear WOL status and disable magic packet matching */
+ temp = phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
+ temp |= MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS;
+ temp &= ~MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE;
+ err = phy_write(phydev, MII_88E1318S_PHY_WOL_CTRL, temp);
+ if (err < 0)
+ return err;
+ }
+
+ err = phy_write(phydev, MII_MARVELL_PHY_PAGE, oldpage);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
static struct phy_driver marvell_drivers[] = {
{
.phy_id = MARVELL_PHY_ID_88E1101,
@@ -772,6 +897,8 @@ static struct phy_driver marvell_drivers[] = {
.ack_interrupt = &marvell_ack_interrupt,
.config_intr = &marvell_config_intr,
.did_interrupt = &m88e1121_did_interrupt,
+ .get_wol = &m88e1318_get_wol,
+ .set_wol = &m88e1318_set_wol,
.driver = { .owner = THIS_MODULE },
},
{