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path: root/drivers/net/dsa/mv88e6xxx/chip.c
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Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/chip.c')
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c174
1 files changed, 153 insertions, 21 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 14a716779bc3..548a0c3edfac 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -419,9 +419,9 @@ static int mv88e6xxx_port_config_interface(struct mv88e6xxx_chip *chip,
return 0;
}
-int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link,
- int speed, int duplex, int pause,
- phy_interface_t mode)
+static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
+ int link, int speed, int duplex, int pause,
+ phy_interface_t mode)
{
struct phylink_link_state state;
int err;
@@ -488,6 +488,81 @@ static int mv88e6xxx_phy_is_internal(struct dsa_switch *ds, int port)
return port < chip->info->num_internal_phys;
}
+static int mv88e6xxx_serdes_pcs_get_state(struct dsa_switch *ds, int port,
+ struct phylink_link_state *state)
+{
+ struct mv88e6xxx_chip *chip = ds->priv;
+ u8 lane;
+ int err;
+
+ mv88e6xxx_reg_lock(chip);
+ lane = mv88e6xxx_serdes_get_lane(chip, port);
+ if (lane && chip->info->ops->serdes_pcs_get_state)
+ err = chip->info->ops->serdes_pcs_get_state(chip, port, lane,
+ state);
+ else
+ err = -EOPNOTSUPP;
+ mv88e6xxx_reg_unlock(chip);
+
+ return err;
+}
+
+static int mv88e6xxx_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
+ unsigned int mode,
+ phy_interface_t interface,
+ const unsigned long *advertise)
+{
+ const struct mv88e6xxx_ops *ops = chip->info->ops;
+ u8 lane;
+
+ if (ops->serdes_pcs_config) {
+ lane = mv88e6xxx_serdes_get_lane(chip, port);
+ if (lane)
+ return ops->serdes_pcs_config(chip, port, lane, mode,
+ interface, advertise);
+ }
+
+ return 0;
+}
+
+static void mv88e6xxx_serdes_pcs_an_restart(struct dsa_switch *ds, int port)
+{
+ struct mv88e6xxx_chip *chip = ds->priv;
+ const struct mv88e6xxx_ops *ops;
+ int err = 0;
+ u8 lane;
+
+ ops = chip->info->ops;
+
+ if (ops->serdes_pcs_an_restart) {
+ mv88e6xxx_reg_lock(chip);
+ lane = mv88e6xxx_serdes_get_lane(chip, port);
+ if (lane)
+ err = ops->serdes_pcs_an_restart(chip, port, lane);
+ mv88e6xxx_reg_unlock(chip);
+
+ if (err)
+ dev_err(ds->dev, "p%d: failed to restart AN\n", port);
+ }
+}
+
+static int mv88e6xxx_serdes_pcs_link_up(struct mv88e6xxx_chip *chip, int port,
+ unsigned int mode,
+ int speed, int duplex)
+{
+ const struct mv88e6xxx_ops *ops = chip->info->ops;
+ u8 lane;
+
+ if (!phylink_autoneg_inband(mode) && ops->serdes_pcs_link_up) {
+ lane = mv88e6xxx_serdes_get_lane(chip, port);
+ if (lane)
+ return ops->serdes_pcs_link_up(chip, port, lane,
+ speed, duplex);
+ }
+
+ return 0;
+}
+
static void mv88e6065_phylink_validate(struct mv88e6xxx_chip *chip, int port,
unsigned long *mask,
struct phylink_link_state *state)
@@ -592,22 +667,6 @@ static void mv88e6xxx_validate(struct dsa_switch *ds, int port,
phylink_helper_basex_speed(state);
}
-static int mv88e6xxx_link_state(struct dsa_switch *ds, int port,
- struct phylink_link_state *state)
-{
- struct mv88e6xxx_chip *chip = ds->priv;
- int err;
-
- mv88e6xxx_reg_lock(chip);
- if (chip->info->ops->port_link_state)
- err = chip->info->ops->port_link_state(chip, port, state);
- else
- err = -EOPNOTSUPP;
- mv88e6xxx_reg_unlock(chip);
-
- return err;
-}
-
static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
unsigned int mode,
const struct phylink_link_state *state)
@@ -629,6 +688,18 @@ static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
* gets in the way.
*/
err = mv88e6xxx_port_config_interface(chip, port, state->interface);
+ if (err && err != -EOPNOTSUPP)
+ goto err_unlock;
+
+ err = mv88e6xxx_serdes_pcs_config(chip, port, mode, state->interface,
+ state->advertising);
+ /* FIXME: we should restart negotiation if something changed - which
+ * is something we get if we convert to using phylinks PCS operations.
+ */
+ if (err > 0)
+ err = 0;
+
+err_unlock:
mv88e6xxx_reg_unlock(chip);
if (err && err != -EOPNOTSUPP)
@@ -683,9 +754,14 @@ static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
/* FIXME: for an automedia port, should we force the link
* down here - what if the link comes up due to "other" media
* while we're bringing the port up, how is the exclusivity
- * handled in the Marvell hardware? E.g. port 4 on 88E6532
+ * handled in the Marvell hardware? E.g. port 2 on 88E6390
* shared between internal PHY and Serdes.
*/
+ err = mv88e6xxx_serdes_pcs_link_up(chip, port, mode, speed,
+ duplex);
+ if (err)
+ goto error;
+
if (ops->port_set_speed) {
err = ops->port_set_speed(chip, port, speed);
if (err && err != -EOPNOTSUPP)
@@ -3557,6 +3633,11 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6341_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -3729,6 +3810,10 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6352_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_get_regs_len = mv88e6352_serdes_get_regs_len,
.serdes_get_regs = mv88e6352_serdes_get_regs,
@@ -3822,6 +3907,10 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6352_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_enable = mv88e6352_serdes_irq_enable,
@@ -3912,6 +4001,11 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -3968,6 +4062,11 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390x_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -4023,6 +4122,11 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -4080,6 +4184,10 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6352_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_enable = mv88e6352_serdes_irq_enable,
@@ -4176,6 +4284,11 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -4319,6 +4432,11 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6341_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -4458,6 +4576,10 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.vtu_getnext = mv88e6352_g1_vtu_getnext,
.vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
.serdes_get_lane = mv88e6352_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6352_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6352_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6352_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6352_serdes_pcs_link_up,
.serdes_power = mv88e6352_serdes_power,
.serdes_irq_mapping = mv88e6352_serdes_irq_mapping,
.serdes_irq_enable = mv88e6352_serdes_irq_enable,
@@ -4519,6 +4641,11 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390_serdes_get_lane,
+ /* Check status register pause & lpa register */
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -4579,6 +4706,10 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
.serdes_power = mv88e6390_serdes_power,
.serdes_get_lane = mv88e6390x_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6390_serdes_pcs_get_state,
+ .serdes_pcs_config = mv88e6390_serdes_pcs_config,
+ .serdes_pcs_an_restart = mv88e6390_serdes_pcs_an_restart,
+ .serdes_pcs_link_up = mv88e6390_serdes_pcs_link_up,
.serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
.serdes_irq_enable = mv88e6390_serdes_irq_enable,
.serdes_irq_status = mv88e6390_serdes_irq_status,
@@ -5457,8 +5588,9 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
.setup = mv88e6xxx_setup,
.teardown = mv88e6xxx_teardown,
.phylink_validate = mv88e6xxx_validate,
- .phylink_mac_link_state = mv88e6xxx_link_state,
+ .phylink_mac_link_state = mv88e6xxx_serdes_pcs_get_state,
.phylink_mac_config = mv88e6xxx_mac_config,
+ .phylink_mac_an_restart = mv88e6xxx_serdes_pcs_an_restart,
.phylink_mac_link_down = mv88e6xxx_mac_link_down,
.phylink_mac_link_up = mv88e6xxx_mac_link_up,
.get_strings = mv88e6xxx_get_strings,
generated by cgit (git 2.34.1) at 2024-04-19 18:09:17 +0000