From 9daf5a7695f70b60c498aac079f908c81ffe4d15 Mon Sep 17 00:00:00 2001 From: Kim Phillips Date: Mon, 26 Nov 2007 16:17:52 -0600 Subject: [PATCH] phylib: marvell: add support for TX-only and RX-only Internal Delay Previously, Internal Delay specification implied the delay be applied to both TX and RX. This patch allows for separate TX/RX-only internal delay specification. Signed-off-by: Kim Phillips Tested-by: Anton Vorontsov Acked-by: Li Yang Signed-off-by: Jeff Garzik --- drivers/net/phy/marvell.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 035fd41fb6..f0574073a2 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -143,21 +143,29 @@ static int m88e1111_config_init(struct phy_device *phydev) int err; if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || - (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) { + (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { int temp; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { - temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); - if (temp < 0) - return temp; + temp = phy_read(phydev, MII_M1111_PHY_EXT_CR); + if (temp < 0) + return temp; + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY); - - err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp); - if (err < 0) - return err; + } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) { + temp &= ~MII_M1111_TX_DELAY; + temp |= MII_M1111_RX_DELAY; + } else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) { + temp &= ~MII_M1111_RX_DELAY; + temp |= MII_M1111_TX_DELAY; } + err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp); + if (err < 0) + return err; + temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); if (temp < 0) return temp; -- 2.20.1