net/phy: Add support for realtek RTL8211F
RTL8211F has different registers from RTL8211E.
This patch adds support for RTL8211F PHY which
can be found on Freescale's T1023 RDB board.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index ee97079..2e152c9 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -29,6 +29,18 @@
/* RTL8211x PHY Interrupt Status Register */
#define MIIM_RTL8211x_PHY_INSR 0x13
+/* RTL8211F PHY Status Register */
+#define MIIM_RTL8211F_PHY_STATUS 0x1a
+#define MIIM_RTL8211F_AUTONEG_ENABLE 0x1000
+#define MIIM_RTL8211F_PHYSTAT_SPEED 0x0030
+#define MIIM_RTL8211F_PHYSTAT_GBIT 0x0020
+#define MIIM_RTL8211F_PHYSTAT_100 0x0010
+#define MIIM_RTL8211F_PHYSTAT_DUPLEX 0x0008
+#define MIIM_RTL8211F_PHYSTAT_SPDDONE 0x0800
+#define MIIM_RTL8211F_PHYSTAT_LINK 0x0004
+
+#define MIIM_RTL8211F_PAGE_SELECT 0x1f
+
/* RealTek RTL8211x */
static int rtl8211x_config(struct phy_device *phydev)
{
@@ -105,6 +117,58 @@
return 0;
}
+static int rtl8211f_parse_status(struct phy_device *phydev)
+{
+ unsigned int speed;
+ unsigned int mii_reg;
+ int i = 0;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PAGE_SELECT, 0xa43);
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211F_PHY_STATUS);
+
+ phydev->link = 1;
+ while (!(mii_reg & MIIM_RTL8211F_PHYSTAT_LINK)) {
+ if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ phydev->link = 0;
+ break;
+ }
+
+ if ((i++ % 1000) == 0)
+ putc('.');
+ udelay(1000);
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
+ MIIM_RTL8211F_PHY_STATUS);
+ }
+
+ if (mii_reg & MIIM_RTL8211F_PHYSTAT_DUPLEX)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ speed = (mii_reg & MIIM_RTL8211F_PHYSTAT_SPEED);
+
+ switch (speed) {
+ case MIIM_RTL8211F_PHYSTAT_GBIT:
+ phydev->speed = SPEED_1000;
+ break;
+ case MIIM_RTL8211F_PHYSTAT_100:
+ phydev->speed = SPEED_100;
+ break;
+ default:
+ 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;
+}
+
static int rtl8211x_startup(struct phy_device *phydev)
{
/* Read the Status (2x to make sure link is right) */
@@ -114,6 +178,15 @@
return 0;
}
+static int rtl8211f_startup(struct phy_device *phydev)
+{
+ /* Read the Status (2x to make sure link is right) */
+ genphy_update_link(phydev);
+ rtl8211f_parse_status(phydev);
+
+ return 0;
+}
+
/* Support for RTL8211B PHY */
static struct phy_driver RTL8211B_driver = {
.name = "RealTek RTL8211B",
@@ -147,10 +220,22 @@
.shutdown = &genphy_shutdown,
};
+/* Support for RTL8211F PHY */
+static struct phy_driver RTL8211F_driver = {
+ .name = "RealTek RTL8211F",
+ .uid = 0x1cc916,
+ .mask = 0xffffff,
+ .features = PHY_GBIT_FEATURES,
+ .config = &rtl8211x_config,
+ .startup = &rtl8211f_startup,
+ .shutdown = &genphy_shutdown,
+};
+
int phy_realtek_init(void)
{
phy_register(&RTL8211B_driver);
phy_register(&RTL8211E_driver);
+ phy_register(&RTL8211F_driver);
phy_register(&RTL8211DN_driver);
return 0;