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| author | Shengzhou Liu <Shengzhou.Liu@freescale.com> | 2015-04-24 16:57:17 +0800 |
|---|---|---|
| committer | Joe Hershberger <joe.hershberger@ni.com> | 2015-05-19 13:33:21 -0500 |
| commit | 793ea947703899c36a51c30e477466c49a8e9657 (patch) | |
| tree | f9501194fd99ab0a5e8c06aefa57397db5f42f3f /drivers/net | |
| parent | f566c9949fbdce2e09a900c5343ca9986e5ba360 (diff) | |
| download | u-boot-imx-793ea947703899c36a51c30e477466c49a8e9657.zip u-boot-imx-793ea947703899c36a51c30e477466c49a8e9657.tar.gz u-boot-imx-793ea947703899c36a51c30e477466c49a8e9657.tar.bz2 | |
net/phy: refactor RTL8211F initialization
RTL8211F needs to enalbe TXDLY for RGMII during
phy initialization, so move it to rtl8211f_config
for early initialization.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
cc: Joe Hershberger <joe.hershberger@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/phy/realtek.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 2e152c9..79452a8 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -40,6 +40,7 @@ #define MIIM_RTL8211F_PHYSTAT_LINK 0x0004 #define MIIM_RTL8211F_PAGE_SELECT 0x1f +#define MIIM_RTL8211F_TX_DELAY 0x100 /* RealTek RTL8211x */ static int rtl8211x_config(struct phy_device *phydev) @@ -60,6 +61,29 @@ static int rtl8211x_config(struct phy_device *phydev) return 0; } +static int rtl8211f_config(struct phy_device *phydev) +{ + u16 reg; + + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET); + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { + /* enable TXDLY */ + phy_write(phydev, MDIO_DEVAD_NONE, + MIIM_RTL8211F_PAGE_SELECT, 0xd08); + reg = phy_read(phydev, MDIO_DEVAD_NONE, 0x11); + reg |= MIIM_RTL8211F_TX_DELAY; + phy_write(phydev, MDIO_DEVAD_NONE, 0x11, reg); + /* restore to default page 0 */ + phy_write(phydev, MDIO_DEVAD_NONE, + MIIM_RTL8211F_PAGE_SELECT, 0x0); + } + + genphy_config_aneg(phydev); + + return 0; +} + static int rtl8211x_parse_status(struct phy_device *phydev) { unsigned int speed; @@ -159,13 +183,6 @@ static int rtl8211f_parse_status(struct phy_device *phydev) phydev->speed = SPEED_10; } - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { - /* enable TXDLY */ - phy_write(phydev, MDIO_DEVAD_NONE, - MIIM_RTL8211F_PAGE_SELECT, 0xd08); - phy_write(phydev, MDIO_DEVAD_NONE, 0x11, 0x109); - } - return 0; } @@ -226,7 +243,7 @@ static struct phy_driver RTL8211F_driver = { .uid = 0x1cc916, .mask = 0xffffff, .features = PHY_GBIT_FEATURES, - .config = &rtl8211x_config, + .config = &rtl8211f_config, .startup = &rtl8211f_startup, .shutdown = &genphy_shutdown, }; |