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-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.c47
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.h4
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.c36
-rw-r--r--drivers/net/dsa/mv88e6xxx/port.h3
-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.c123
-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.h9
6 files changed, 213 insertions, 9 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index e8258db8c21e..e7f68ac0c7e3 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -727,8 +727,8 @@ static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
mv88e6xxx_reg_lock(chip);
if ((!mv88e6xxx_port_ppu_updates(chip, port) ||
- mode == MLO_AN_FIXED) && ops->port_set_link)
- err = ops->port_set_link(chip, port, LINK_FORCED_DOWN);
+ mode == MLO_AN_FIXED) && ops->port_sync_link)
+ err = ops->port_sync_link(chip, port, mode, false);
mv88e6xxx_reg_unlock(chip);
if (err)
@@ -768,8 +768,8 @@ static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
goto error;
}
- if (ops->port_set_link)
- err = ops->port_set_link(chip, port, LINK_FORCED_UP);
+ if (ops->port_sync_link)
+ err = ops->port_sync_link(chip, port, mode, true);
}
error:
mv88e6xxx_reg_unlock(chip);
@@ -3210,6 +3210,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.phy_read = mv88e6185_phy_ppu_read,
.phy_write = mv88e6185_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@@ -3249,6 +3250,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = {
.phy_read = mv88e6185_phy_ppu_read,
.phy_write = mv88e6185_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6185_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_set_frame_mode = mv88e6085_port_set_frame_mode,
.port_set_egress_floods = mv88e6185_port_set_egress_floods,
@@ -3261,6 +3263,9 @@ static const struct mv88e6xxx_ops mv88e6095_ops = {
.stats_get_strings = mv88e6095_stats_get_strings,
.stats_get_stats = mv88e6095_stats_get_stats,
.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
+ .serdes_power = mv88e6185_serdes_power,
+ .serdes_get_lane = mv88e6185_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
.ppu_enable = mv88e6185_g1_ppu_enable,
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
@@ -3279,6 +3284,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6185_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@@ -3299,6 +3305,12 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.set_egress_port = mv88e6095_g1_set_egress_port,
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6352_g2_mgmt_rsvd2cpu,
+ .serdes_power = mv88e6185_serdes_power,
+ .serdes_get_lane = mv88e6185_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
+ .serdes_irq_mapping = mv88e6390_serdes_irq_mapping,
+ .serdes_irq_enable = mv88e6097_serdes_irq_enable,
+ .serdes_irq_status = mv88e6097_serdes_irq_status,
.pot_clear = mv88e6xxx_g2_pot_clear,
.reset = mv88e6352_g1_reset,
.rmu_disable = mv88e6085_g1_rmu_disable,
@@ -3317,6 +3329,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_set_frame_mode = mv88e6085_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
@@ -3351,6 +3364,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = {
.phy_read = mv88e6185_phy_ppu_read,
.phy_write = mv88e6185_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@@ -3392,6 +3406,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
.port_max_speed_mode = mv88e6341_port_max_speed_mode,
@@ -3443,6 +3458,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@@ -3484,6 +3500,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = {
.phy_read = mv88e6165_phy_read,
.phy_write = mv88e6165_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.port_disable_pri_override = mv88e6xxx_port_disable_pri_override,
@@ -3518,6 +3535,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -3560,6 +3578,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -3611,6 +3630,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -3653,6 +3673,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -3706,6 +3727,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.phy_read = mv88e6185_phy_ppu_read,
.phy_write = mv88e6185_phy_ppu_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6185_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_set_frame_mode = mv88e6085_port_set_frame_mode,
.port_set_egress_floods = mv88e6185_port_set_egress_floods,
@@ -3723,6 +3745,9 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.set_egress_port = mv88e6095_g1_set_egress_port,
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6185_g2_mgmt_rsvd2cpu,
+ .serdes_power = mv88e6185_serdes_power,
+ .serdes_get_lane = mv88e6185_serdes_get_lane,
+ .serdes_pcs_get_state = mv88e6185_serdes_pcs_get_state,
.set_cascade_port = mv88e6185_g1_set_cascade_port,
.ppu_enable = mv88e6185_g1_ppu_enable,
.ppu_disable = mv88e6185_g1_ppu_disable,
@@ -3743,6 +3768,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
@@ -3802,6 +3828,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
@@ -3861,6 +3888,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
@@ -3920,6 +3948,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -3978,6 +4007,7 @@ static const struct mv88e6xxx_ops mv88e6250_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6250_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -4015,6 +4045,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
@@ -4076,6 +4107,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@@ -4118,6 +4150,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
@@ -4158,6 +4191,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6341_port_set_speed_duplex,
.port_max_speed_mode = mv88e6341_port_max_speed_mode,
@@ -4211,6 +4245,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -4251,6 +4286,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6185_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -4295,6 +4331,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6352_port_set_speed_duplex,
.port_tag_remap = mv88e6095_port_tag_remap,
@@ -4355,6 +4392,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6390_port_set_speed_duplex,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
@@ -4418,6 +4456,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.phy_read = mv88e6xxx_g2_smi_phy_read,
.phy_write = mv88e6xxx_g2_smi_phy_write,
.port_set_link = mv88e6xxx_port_set_link,
+ .port_sync_link = mv88e6xxx_port_sync_link,
.port_set_rgmii_delay = mv88e6390_port_set_rgmii_delay,
.port_set_speed_duplex = mv88e6390x_port_set_speed_duplex,
.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 7faa61b7f8f8..3543055bcb51 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -417,6 +417,10 @@ struct mv88e6xxx_ops {
*/
int (*port_set_link)(struct mv88e6xxx_chip *chip, int port, int link);
+ /* Synchronise the port link state with that of the SERDES
+ */
+ int (*port_sync_link)(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup);
+
#define PAUSE_ON 1
#define PAUSE_OFF 0
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index 8128dc607cf4..77a5fd1798cd 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -162,6 +162,42 @@ int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
return 0;
}
+int mv88e6xxx_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
+{
+ const struct mv88e6xxx_ops *ops = chip->info->ops;
+ int err = 0;
+ int link;
+
+ if (isup)
+ link = LINK_FORCED_UP;
+ else
+ link = LINK_FORCED_DOWN;
+
+ if (ops->port_set_link)
+ err = ops->port_set_link(chip, port, link);
+
+ return err;
+}
+
+int mv88e6185_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
+{
+ const struct mv88e6xxx_ops *ops = chip->info->ops;
+ int err = 0;
+ int link;
+
+ if (mode == MLO_AN_INBAND)
+ link = LINK_UNFORCED;
+ else if (isup)
+ link = LINK_FORCED_UP;
+ else
+ link = LINK_FORCED_DOWN;
+
+ if (ops->port_set_link)
+ err = ops->port_set_link(chip, port, link);
+
+ return err;
+}
+
static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip,
int port, int speed, bool alt_bit,
bool force_bit, int duplex)
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 44d76ac973f6..500e1d4896ff 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -298,6 +298,9 @@ int mv88e6390_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link);
+int mv88e6xxx_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup);
+int mv88e6185_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup);
+
int mv88e6065_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
int speed, int duplex);
int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 9c07b4f3d345..3195936dc5be 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -400,14 +400,16 @@ void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p)
{
u16 *p = _p;
u16 reg;
+ int err;
int i;
if (!mv88e6352_port_has_serdes(chip, port))
return;
for (i = 0 ; i < 32; i++) {
- mv88e6352_serdes_read(chip, i, &reg);
- p[i] = reg;
+ err = mv88e6352_serdes_read(chip, i, &reg);
+ if (!err)
+ p[i] = reg;
}
}
@@ -428,6 +430,115 @@ u8 mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
return lane;
}
+int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool up)
+{
+ /* The serdes power can't be controlled on this switch chip but we need
+ * to supply this function to avoid returning -EOPNOTSUPP in
+ * mv88e6xxx_serdes_power_up/mv88e6xxx_serdes_power_down
+ */
+ return 0;
+}
+
+u8 mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
+{
+ /* There are no configurable serdes lanes on this switch chip but we
+ * need to return non-zero so that callers of
+ * mv88e6xxx_serdes_get_lane() know this is a serdes port.
+ */
+ switch (chip->ports[port].cmode) {
+ case MV88E6185_PORT_STS_CMODE_SERDES:
+ case MV88E6185_PORT_STS_CMODE_1000BASE_X:
+ return 0xff;
+ default:
+ return 0;
+ }
+}
+
+int mv88e6185_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
+ u8 lane, struct phylink_link_state *state)
+{
+ int err;
+ u16 status;
+
+ err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &status);
+ if (err)
+ return err;
+
+ state->link = !!(status & MV88E6XXX_PORT_STS_LINK);
+
+ if (state->link) {
+ state->duplex = status & MV88E6XXX_PORT_STS_DUPLEX ? DUPLEX_FULL : DUPLEX_HALF;
+
+ switch (status & MV88E6XXX_PORT_STS_SPEED_MASK) {
+ case MV88E6XXX_PORT_STS_SPEED_1000:
+ state->speed = SPEED_1000;
+ break;
+ case MV88E6XXX_PORT_STS_SPEED_100:
+ state->speed = SPEED_100;
+ break;
+ case MV88E6XXX_PORT_STS_SPEED_10:
+ state->speed = SPEED_10;
+ break;
+ default:
+ dev_err(chip->dev, "invalid PHY speed\n");
+ return -EINVAL;
+ }
+ } else {
+ state->duplex = DUPLEX_UNKNOWN;
+ state->speed = SPEED_UNKNOWN;
+ }
+
+ return 0;
+}
+
+int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable)
+{
+ u8 cmode = chip->ports[port].cmode;
+
+ /* The serdes interrupts are enabled in the G2_INT_MASK register. We
+ * need to return 0 to avoid returning -EOPNOTSUPP in
+ * mv88e6xxx_serdes_irq_enable/mv88e6xxx_serdes_irq_disable
+ */
+ switch (cmode) {
+ case MV88E6185_PORT_STS_CMODE_SERDES:
+ case MV88E6185_PORT_STS_CMODE_1000BASE_X:
+ return 0;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static void mv88e6097_serdes_irq_link(struct mv88e6xxx_chip *chip, int port)
+{
+ u16 status;
+ int err;
+
+ err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &status);
+ if (err) {
+ dev_err(chip->dev, "can't read port status: %d\n", err);
+ return;
+ }
+
+ dsa_port_phylink_mac_change(chip->ds, port, !!(status & MV88E6XXX_PORT_STS_LINK));
+}
+
+irqreturn_t mv88e6097_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
+ u8 lane)
+{
+ u8 cmode = chip->ports[port].cmode;
+
+ switch (cmode) {
+ case MV88E6185_PORT_STS_CMODE_SERDES:
+ case MV88E6185_PORT_STS_CMODE_1000BASE_X:
+ mv88e6097_serdes_irq_link(chip, port);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
u8 mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
{
u8 cmode = chip->ports[port].cmode;
@@ -987,6 +1098,7 @@ void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p)
u16 *p = _p;
int lane;
u16 reg;
+ int err;
int i;
lane = mv88e6xxx_serdes_get_lane(chip, port);
@@ -994,8 +1106,9 @@ void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p)
return;
for (i = 0 ; i < ARRAY_SIZE(mv88e6390_serdes_regs); i++) {
- mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
- mv88e6390_serdes_regs[i], &reg);
- p[i] = reg;
+ err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
+ mv88e6390_serdes_regs[i], &reg);
+ if (!err)
+ p[i] = reg;
}
}
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index 14315f26228a..93822ef9bab8 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -73,6 +73,7 @@
#define MV88E6390_PG_CONTROL 0xf010
#define MV88E6390_PG_CONTROL_ENABLE_PC BIT(0)
+u8 mv88e6185_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
u8 mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
u8 mv88e6352_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
u8 mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
@@ -85,6 +86,8 @@ int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
u8 lane, unsigned int mode,
phy_interface_t interface,
const unsigned long *advertise);
+int mv88e6185_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
+ u8 lane, struct phylink_link_state *state);
int mv88e6352_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
u8 lane, struct phylink_link_state *state);
int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
@@ -101,14 +104,20 @@ unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
int port);
unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
int port);
+int mv88e6185_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool up);
int mv88e6352_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane,
bool on);
int mv88e6390_serdes_power(struct mv88e6xxx_chip *chip, int port, u8 lane,
bool on);
+int mv88e6097_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
+ bool enable);
int mv88e6352_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
bool enable);
int mv88e6390_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port, u8 lane,
bool enable);
+irqreturn_t mv88e6097_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
+ u8 lane);
irqreturn_t mv88e6352_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
u8 lane);
irqreturn_t mv88e6390_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-23 14:05:02 +0000