From 895ee682db14ed71860e22495280bdee4dae4738 Mon Sep 17 00:00:00 2001 From: Kim Phillips Date: Tue, 5 Jun 2007 18:46:47 +0800 Subject: [PATCH] phylib: add RGMII-ID mode to the Marvell m88e1111 PHY to fix broken ucc_geth Support for configuring RGMII-ID (RGMII with internal delay) mode on the 88e1111 and 88e1145. Ucc_geth on MPC8360EMDS(the main user of ucc_geth) is broken after changed to use phylib. It is fixed by adding this internal delay. Also renamed 88e1111s -> 88e1111 (no references to an 88e1111s part were found), and fixed some whitespace. Signed-off-by: Kim Phillips Signed-off-by: Li Yang Signed-off-by: Jeff Garzik --- drivers/net/phy/marvell.c | 62 ++++++++++++++++++++++++++++++++++----- 1 file changed, 54 insertions(+), 8 deletions(-) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 22aec5cce68..b87f8d2a888 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -54,6 +54,12 @@ #define MII_M1111_PHY_LED_CONTROL 0x18 #define MII_M1111_PHY_LED_DIRECT 0x4100 #define MII_M1111_PHY_LED_COMBINE 0x411c +#define MII_M1111_PHY_EXT_CR 0x14 +#define MII_M1111_RX_DELAY 0x80 +#define MII_M1111_TX_DELAY 0x2 +#define MII_M1111_PHY_EXT_SR 0x1b +#define MII_M1111_HWCFG_MODE_MASK 0xf +#define MII_M1111_HWCFG_MODE_RGMII 0xb MODULE_DESCRIPTION("Marvell PHY driver"); MODULE_AUTHOR("Andy Fleming"); @@ -131,6 +137,45 @@ static int marvell_config_aneg(struct phy_device *phydev) return err; } +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)) { + 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 |= (MII_M1111_RX_DELAY | 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; + + temp &= ~(MII_M1111_HWCFG_MODE_MASK); + temp |= MII_M1111_HWCFG_MODE_RGMII; + + err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); + if (err < 0) + return err; + } + + err = phy_write(phydev, MII_BMCR, BMCR_RESET); + if (err < 0) + return err; + + return 0; +} + static int m88e1145_config_init(struct phy_device *phydev) { int err; @@ -152,7 +197,7 @@ static int m88e1145_config_init(struct phy_device *phydev) if (err < 0) return err; - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) { int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR); if (temp < 0) return temp; @@ -206,7 +251,7 @@ static struct phy_driver m88e1101_driver = { .driver = {.owner = THIS_MODULE,}, }; -static struct phy_driver m88e1111s_driver = { +static struct phy_driver m88e1111_driver = { .phy_id = 0x01410cc0, .phy_id_mask = 0xfffffff0, .name = "Marvell 88E1111", @@ -216,6 +261,7 @@ static struct phy_driver m88e1111s_driver = { .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, + .config_init = &m88e1111_config_init, .driver = {.owner = THIS_MODULE,}, }; @@ -241,9 +287,9 @@ static int __init marvell_init(void) if (ret) return ret; - ret = phy_driver_register(&m88e1111s_driver); + ret = phy_driver_register(&m88e1111_driver); if (ret) - goto err1111s; + goto err1111; ret = phy_driver_register(&m88e1145_driver); if (ret) @@ -251,9 +297,9 @@ static int __init marvell_init(void) return 0; - err1145: - phy_driver_unregister(&m88e1111s_driver); - err1111s: +err1145: + phy_driver_unregister(&m88e1111_driver); +err1111: phy_driver_unregister(&m88e1101_driver); return ret; } @@ -261,7 +307,7 @@ static int __init marvell_init(void) static void __exit marvell_exit(void) { phy_driver_unregister(&m88e1101_driver); - phy_driver_unregister(&m88e1111s_driver); + phy_driver_unregister(&m88e1111_driver); phy_driver_unregister(&m88e1145_driver); } -- 2.46.0