97 lines
3 KiB
Diff
97 lines
3 KiB
Diff
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--- a/drivers/net/phy/at803x.c
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+++ b/drivers/net/phy/at803x.c
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@@ -36,6 +36,9 @@
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#define AT803X_INER 0x0012
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#define AT803X_INER_INIT 0xec00
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#define AT803X_INSR 0x0013
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+#define AT803X_REG_CHIP_CONFIG 0x1f
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+#define AT803X_BT_BX_REG_SEL 0x8000
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+#define AT803X_SGMII_ANEG_EN 0x1000
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#define AT803X_PCS_SMART_EEE_CTRL3 0x805D
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#define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_MASK 0x3
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@@ -49,9 +52,10 @@
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#define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05
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#define AT803X_DEBUG_RGMII_TX_CLK_DLY BIT(8)
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-#define ATH8030_PHY_ID 0x004dd076
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-#define ATH8031_PHY_ID 0x004dd074
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-#define ATH8035_PHY_ID 0x004dd072
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+#define AT803X_PHY_ID_MASK 0xffffffef
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+#define ATH8030_PHY_ID 0x004dd076
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+#define ATH8031_PHY_ID 0x004dd074
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+#define ATH8035_PHY_ID 0x004dd072
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MODULE_DESCRIPTION("Atheros 803x PHY driver");
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MODULE_AUTHOR("Matus Ujhelyi");
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@@ -268,6 +272,27 @@ static int at803x_config_init(struct phy
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{
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struct at803x_platform_data *pdata;
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int ret;
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+ u32 v;
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+
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+ if (phydev->drv->phy_id == ATH8031_PHY_ID &&
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+ phydev->interface == PHY_INTERFACE_MODE_SGMII)
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+ {
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+ v = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
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+ /* select SGMII/fiber page */
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+ ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG,
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+ v & ~AT803X_BT_BX_REG_SEL);
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+ if (ret)
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+ return ret;
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+ /* enable SGMII autonegotiation */
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+ ret = phy_write(phydev, MII_BMCR, AT803X_SGMII_ANEG_EN);
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+ if (ret)
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+ return ret;
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+ /* select copper page */
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+ ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG,
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+ v | AT803X_BT_BX_REG_SEL);
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+ if (ret)
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+ return ret;
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+ }
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ret = genphy_config_init(phydev);
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if (ret < 0)
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@@ -394,7 +419,7 @@ static struct phy_driver at803x_driver[]
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/* ATHEROS 8035 */
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.phy_id = ATH8035_PHY_ID,
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.name = "Atheros 8035 ethernet",
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- .phy_id_mask = 0xffffffef,
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+ .phy_id_mask = AT803X_PHY_ID_MASK,
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.probe = at803x_probe,
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.config_init = at803x_config_init,
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.link_change_notify = at803x_link_change_notify,
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@@ -413,7 +438,7 @@ static struct phy_driver at803x_driver[]
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/* ATHEROS 8030 */
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.phy_id = ATH8030_PHY_ID,
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.name = "Atheros 8030 ethernet",
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- .phy_id_mask = 0xffffffef,
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+ .phy_id_mask = AT803X_PHY_ID_MASK,
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.probe = at803x_probe,
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.config_init = at803x_config_init,
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.link_change_notify = at803x_link_change_notify,
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@@ -431,8 +456,8 @@ static struct phy_driver at803x_driver[]
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}, {
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/* ATHEROS 8031 */
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.phy_id = ATH8031_PHY_ID,
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- .name = "Atheros 8031 ethernet",
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- .phy_id_mask = 0xffffffef,
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+ .name = "Atheros 8031/8033 ethernet",
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+ .phy_id_mask = AT803X_PHY_ID_MASK,
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.probe = at803x_probe,
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.config_init = at803x_config_init,
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.link_change_notify = at803x_link_change_notify,
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@@ -454,9 +479,9 @@ static struct phy_driver at803x_driver[]
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module_phy_driver(at803x_driver);
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static struct mdio_device_id __maybe_unused atheros_tbl[] = {
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- { ATH8030_PHY_ID, 0xffffffef },
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- { ATH8031_PHY_ID, 0xffffffef },
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- { ATH8035_PHY_ID, 0xffffffef },
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+ { ATH8030_PHY_ID, AT803X_PHY_ID_MASK },
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+ { ATH8031_PHY_ID, AT803X_PHY_ID_MASK },
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+ { ATH8035_PHY_ID, AT803X_PHY_ID_MASK },
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{ }
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};
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