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-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-dev.c75
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c120
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe.h7
3 files changed, 158 insertions, 44 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index e033d6c819f3..13b30f81c49f 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -1287,11 +1287,20 @@ static void xgbe_write_mmd_regs(struct xgbe_prv_data *pdata, int prtad,
}
}
-static unsigned int xgbe_create_mdio_sca(int port, int reg)
+static unsigned int xgbe_create_mdio_sca_c22(int port, int reg)
{
- unsigned int mdio_sca, da;
+ unsigned int mdio_sca;
- da = (reg & MII_ADDR_C45) ? reg >> 16 : 0;
+ mdio_sca = 0;
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg);
+ XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, PA, port);
+
+ return mdio_sca;
+}
+
+static unsigned int xgbe_create_mdio_sca_c45(int port, unsigned int da, int reg)
+{
+ unsigned int mdio_sca;
mdio_sca = 0;
XGMAC_SET_BITS(mdio_sca, MAC_MDIOSCAR, RA, reg);
@@ -1301,14 +1310,13 @@ static unsigned int xgbe_create_mdio_sca(int port, int reg)
return mdio_sca;
}
-static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
- int reg, u16 val)
+static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata,
+ unsigned int mdio_sca, u16 val)
{
- unsigned int mdio_sca, mdio_sccd;
+ unsigned int mdio_sccd;
reinit_completion(&pdata->mdio_complete);
- mdio_sca = xgbe_create_mdio_sca(addr, reg);
XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca);
mdio_sccd = 0;
@@ -1325,14 +1333,33 @@ static int xgbe_write_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
return 0;
}
-static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
- int reg)
+static int xgbe_write_ext_mii_regs_c22(struct xgbe_prv_data *pdata, int addr,
+ int reg, u16 val)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c22(addr, reg);
+
+ return xgbe_write_ext_mii_regs(pdata, mdio_sca, val);
+}
+
+static int xgbe_write_ext_mii_regs_c45(struct xgbe_prv_data *pdata, int addr,
+ int devad, int reg, u16 val)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c45(addr, devad, reg);
+
+ return xgbe_write_ext_mii_regs(pdata, mdio_sca, val);
+}
+
+static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata,
+ unsigned int mdio_sca)
{
- unsigned int mdio_sca, mdio_sccd;
+ unsigned int mdio_sccd;
reinit_completion(&pdata->mdio_complete);
- mdio_sca = xgbe_create_mdio_sca(addr, reg);
XGMAC_IOWRITE(pdata, MAC_MDIOSCAR, mdio_sca);
mdio_sccd = 0;
@@ -1348,6 +1375,26 @@ static int xgbe_read_ext_mii_regs(struct xgbe_prv_data *pdata, int addr,
return XGMAC_IOREAD_BITS(pdata, MAC_MDIOSCCDR, DATA);
}
+static int xgbe_read_ext_mii_regs_c22(struct xgbe_prv_data *pdata, int addr,
+ int reg)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c22(addr, reg);
+
+ return xgbe_read_ext_mii_regs(pdata, mdio_sca);
+}
+
+static int xgbe_read_ext_mii_regs_c45(struct xgbe_prv_data *pdata, int addr,
+ int devad, int reg)
+{
+ unsigned int mdio_sca;
+
+ mdio_sca = xgbe_create_mdio_sca_c45(addr, devad, reg);
+
+ return xgbe_read_ext_mii_regs(pdata, mdio_sca);
+}
+
static int xgbe_set_ext_mii_mode(struct xgbe_prv_data *pdata, unsigned int port,
enum xgbe_mdio_mode mode)
{
@@ -3561,8 +3608,10 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if)
hw_if->set_speed = xgbe_set_speed;
hw_if->set_ext_mii_mode = xgbe_set_ext_mii_mode;
- hw_if->read_ext_mii_regs = xgbe_read_ext_mii_regs;
- hw_if->write_ext_mii_regs = xgbe_write_ext_mii_regs;
+ hw_if->read_ext_mii_regs_c22 = xgbe_read_ext_mii_regs_c22;
+ hw_if->write_ext_mii_regs_c22 = xgbe_write_ext_mii_regs_c22;
+ hw_if->read_ext_mii_regs_c45 = xgbe_read_ext_mii_regs_c45;
+ hw_if->write_ext_mii_regs_c45 = xgbe_write_ext_mii_regs_c45;
hw_if->set_gpio = xgbe_set_gpio;
hw_if->clr_gpio = xgbe_clr_gpio;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index de7118cb10b8..f4683d53e58c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -600,20 +600,27 @@ static int xgbe_phy_get_comm_ownership(struct xgbe_prv_data *pdata)
return -ETIMEDOUT;
}
-static int xgbe_phy_mdio_mii_write(struct xgbe_prv_data *pdata, int addr,
- int reg, u16 val)
+static int xgbe_phy_mdio_mii_write_c22(struct xgbe_prv_data *pdata, int addr,
+ int reg, u16 val)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
- if (reg & MII_ADDR_C45) {
- if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL45)
- return -ENOTSUPP;
- } else {
- if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL22)
- return -ENOTSUPP;
- }
+ if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL22)
+ return -EOPNOTSUPP;
+
+ return pdata->hw_if.write_ext_mii_regs_c22(pdata, addr, reg, val);
+}
+
+static int xgbe_phy_mdio_mii_write_c45(struct xgbe_prv_data *pdata, int addr,
+ int devad, int reg, u16 val)
+{
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
- return pdata->hw_if.write_ext_mii_regs(pdata, addr, reg, val);
+ if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL45)
+ return -EOPNOTSUPP;
+
+ return pdata->hw_if.write_ext_mii_regs_c45(pdata, addr, devad,
+ reg, val);
}
static int xgbe_phy_i2c_mii_write(struct xgbe_prv_data *pdata, int reg, u16 val)
@@ -638,7 +645,8 @@ static int xgbe_phy_i2c_mii_write(struct xgbe_prv_data *pdata, int reg, u16 val)
return ret;
}
-static int xgbe_phy_mii_write(struct mii_bus *mii, int addr, int reg, u16 val)
+static int xgbe_phy_mii_write_c22(struct mii_bus *mii, int addr, int reg,
+ u16 val)
{
struct xgbe_prv_data *pdata = mii->priv;
struct xgbe_phy_data *phy_data = pdata->phy_data;
@@ -651,29 +659,58 @@ static int xgbe_phy_mii_write(struct mii_bus *mii, int addr, int reg, u16 val)
if (phy_data->conn_type == XGBE_CONN_TYPE_SFP)
ret = xgbe_phy_i2c_mii_write(pdata, reg, val);
else if (phy_data->conn_type & XGBE_CONN_TYPE_MDIO)
- ret = xgbe_phy_mdio_mii_write(pdata, addr, reg, val);
+ ret = xgbe_phy_mdio_mii_write_c22(pdata, addr, reg, val);
else
- ret = -ENOTSUPP;
+ ret = -EOPNOTSUPP;
xgbe_phy_put_comm_ownership(pdata);
return ret;
}
-static int xgbe_phy_mdio_mii_read(struct xgbe_prv_data *pdata, int addr,
- int reg)
+static int xgbe_phy_mii_write_c45(struct mii_bus *mii, int addr, int devad,
+ int reg, u16 val)
{
+ struct xgbe_prv_data *pdata = mii->priv;
struct xgbe_phy_data *phy_data = pdata->phy_data;
+ int ret;
- if (reg & MII_ADDR_C45) {
- if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL45)
- return -ENOTSUPP;
- } else {
- if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL22)
- return -ENOTSUPP;
- }
+ ret = xgbe_phy_get_comm_ownership(pdata);
+ if (ret)
+ return ret;
- return pdata->hw_if.read_ext_mii_regs(pdata, addr, reg);
+ if (phy_data->conn_type == XGBE_CONN_TYPE_SFP)
+ ret = -EOPNOTSUPP;
+ else if (phy_data->conn_type & XGBE_CONN_TYPE_MDIO)
+ ret = xgbe_phy_mdio_mii_write_c45(pdata, addr, devad, reg, val);
+ else
+ ret = -EOPNOTSUPP;
+
+ xgbe_phy_put_comm_ownership(pdata);
+
+ return ret;
+}
+
+static int xgbe_phy_mdio_mii_read_c22(struct xgbe_prv_data *pdata, int addr,
+ int reg)
+{
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
+
+ if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL22)
+ return -EOPNOTSUPP;
+
+ return pdata->hw_if.read_ext_mii_regs_c22(pdata, addr, reg);
+}
+
+static int xgbe_phy_mdio_mii_read_c45(struct xgbe_prv_data *pdata, int addr,
+ int devad, int reg)
+{
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
+
+ if (phy_data->phydev_mode != XGBE_MDIO_MODE_CL45)
+ return -EOPNOTSUPP;
+
+ return pdata->hw_if.read_ext_mii_regs_c45(pdata, addr, devad, reg);
}
static int xgbe_phy_i2c_mii_read(struct xgbe_prv_data *pdata, int reg)
@@ -698,7 +735,7 @@ static int xgbe_phy_i2c_mii_read(struct xgbe_prv_data *pdata, int reg)
return ret;
}
-static int xgbe_phy_mii_read(struct mii_bus *mii, int addr, int reg)
+static int xgbe_phy_mii_read_c22(struct mii_bus *mii, int addr, int reg)
{
struct xgbe_prv_data *pdata = mii->priv;
struct xgbe_phy_data *phy_data = pdata->phy_data;
@@ -711,7 +748,30 @@ static int xgbe_phy_mii_read(struct mii_bus *mii, int addr, int reg)
if (phy_data->conn_type == XGBE_CONN_TYPE_SFP)
ret = xgbe_phy_i2c_mii_read(pdata, reg);
else if (phy_data->conn_type & XGBE_CONN_TYPE_MDIO)
- ret = xgbe_phy_mdio_mii_read(pdata, addr, reg);
+ ret = xgbe_phy_mdio_mii_read_c22(pdata, addr, reg);
+ else
+ ret = -EOPNOTSUPP;
+
+ xgbe_phy_put_comm_ownership(pdata);
+
+ return ret;
+}
+
+static int xgbe_phy_mii_read_c45(struct mii_bus *mii, int addr, int devad,
+ int reg)
+{
+ struct xgbe_prv_data *pdata = mii->priv;
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
+ int ret;
+
+ ret = xgbe_phy_get_comm_ownership(pdata);
+ if (ret)
+ return ret;
+
+ if (phy_data->conn_type == XGBE_CONN_TYPE_SFP)
+ ret = -EOPNOTSUPP;
+ else if (phy_data->conn_type & XGBE_CONN_TYPE_MDIO)
+ ret = xgbe_phy_mdio_mii_read_c45(pdata, addr, devad, reg);
else
ret = -ENOTSUPP;
@@ -1929,8 +1989,8 @@ static int xgbe_phy_set_redrv_mode_mdio(struct xgbe_prv_data *pdata,
redrv_reg = XGBE_PHY_REDRV_MODE_REG + (phy_data->redrv_lane * 0x1000);
redrv_val = (u16)mode;
- return pdata->hw_if.write_ext_mii_regs(pdata, phy_data->redrv_addr,
- redrv_reg, redrv_val);
+ return pdata->hw_if.write_ext_mii_regs_c22(pdata, phy_data->redrv_addr,
+ redrv_reg, redrv_val);
}
static int xgbe_phy_set_redrv_mode_i2c(struct xgbe_prv_data *pdata,
@@ -3502,8 +3562,10 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
mii->priv = pdata;
mii->name = "amd-xgbe-mii";
- mii->read = xgbe_phy_mii_read;
- mii->write = xgbe_phy_mii_write;
+ mii->read = xgbe_phy_mii_read_c22;
+ mii->write = xgbe_phy_mii_write_c22;
+ mii->read_c45 = xgbe_phy_mii_read_c45;
+ mii->write_c45 = xgbe_phy_mii_write_c45;
mii->parent = pdata->dev;
mii->phy_mask = ~0;
snprintf(mii->id, sizeof(mii->id), "%s", dev_name(pdata->dev));
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index da37476a2848..a1b8755df84c 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -775,8 +775,11 @@ struct xgbe_hw_if {
int (*set_ext_mii_mode)(struct xgbe_prv_data *, unsigned int,
enum xgbe_mdio_mode);
- int (*read_ext_mii_regs)(struct xgbe_prv_data *, int, int);
- int (*write_ext_mii_regs)(struct xgbe_prv_data *, int, int, u16);
+ int (*read_ext_mii_regs_c22)(struct xgbe_prv_data *, int, int);
+ int (*write_ext_mii_regs_c22)(struct xgbe_prv_data *, int, int, u16);
+ int (*read_ext_mii_regs_c45)(struct xgbe_prv_data *, int, int, int);
+ int (*write_ext_mii_regs_c45)(struct xgbe_prv_data *, int, int, int,
+ u16);
int (*set_gpio)(struct xgbe_prv_data *, unsigned int);
int (*clr_gpio)(struct xgbe_prv_data *, unsigned int);
generated by cgit (git 2.34.1) at 2025-03-24 19:38:19 +0000