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Message-Id: <20230527002144.8109-1-michal.smulski@ooma.com>
Date: Fri, 26 May 2023 17:21:44 -0700
From: Michal Smulski <msmulski2@...il.com>
To: andrew@...n.ch
Cc: f.fainelli@...il.com,
olteanv@...il.com,
netdev@...r.kernel.org,
Michal Smulski <michal.smulski@...a.com>
Subject: [PATCH net-next] net: dsa: mv88e6xxx: implement USXGMII mode for mv88e6393x
Enable USXGMII mode for mv88e6393x chips. Tested on Marvell 88E6191X.
Signed-off-by: Michal Smulski <michal.smulski@...a.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 3 +--
drivers/net/dsa/mv88e6xxx/port.c | 3 +++
drivers/net/dsa/mv88e6xxx/serdes.c | 10 ++++++++--
3 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 5bbe95fa951c..71cee154622f 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -806,8 +806,7 @@ static void mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
__set_bit(PHY_INTERFACE_MODE_5GBASER, supported);
__set_bit(PHY_INTERFACE_MODE_10GBASER, supported);
- /* FIXME: USXGMII is not supported yet */
- /* __set_bit(PHY_INTERFACE_MODE_USXGMII, supported); */
+ __set_bit(PHY_INTERFACE_MODE_USXGMII, supported);
config->mac_capabilities |= MAC_2500FD | MAC_5000FD |
MAC_10000FD;
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index f79cf716c541..8daeeeb66880 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -554,6 +554,9 @@ static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
case PHY_INTERFACE_MODE_10GBASER:
cmode = MV88E6393X_PORT_STS_CMODE_10GBASER;
break;
+ case PHY_INTERFACE_MODE_USXGMII:
+ cmode = MV88E6393X_PORT_STS_CMODE_USXGMII;
+ break;
default:
cmode = 0;
}
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 72faec8f44dc..2b5da9b2cb45 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -683,7 +683,8 @@ int mv88e6393x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port)
cmode == MV88E6XXX_PORT_STS_CMODE_SGMII ||
cmode == MV88E6XXX_PORT_STS_CMODE_2500BASEX ||
cmode == MV88E6393X_PORT_STS_CMODE_5GBASER ||
- cmode == MV88E6393X_PORT_STS_CMODE_10GBASER)
+ cmode == MV88E6393X_PORT_STS_CMODE_10GBASER ||
+ cmode == MV88E6393X_PORT_STS_CMODE_USXGMII)
lane = port;
return lane;
@@ -1018,6 +1019,7 @@ int mv88e6393x_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
state);
case PHY_INTERFACE_MODE_5GBASER:
case PHY_INTERFACE_MODE_10GBASER:
+ case PHY_INTERFACE_MODE_USXGMII:
return mv88e6393x_serdes_pcs_get_state_10g(chip, port, lane,
state);
@@ -1173,6 +1175,7 @@ int mv88e6393x_serdes_irq_enable(struct mv88e6xxx_chip *chip, int port,
return mv88e6390_serdes_irq_enable_sgmii(chip, lane, enable);
case MV88E6393X_PORT_STS_CMODE_5GBASER:
case MV88E6393X_PORT_STS_CMODE_10GBASER:
+ case MV88E6393X_PORT_STS_CMODE_USXGMII:
return mv88e6393x_serdes_irq_enable_10g(chip, lane, enable);
}
@@ -1213,6 +1216,7 @@ irqreturn_t mv88e6393x_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
break;
case MV88E6393X_PORT_STS_CMODE_5GBASER:
case MV88E6393X_PORT_STS_CMODE_10GBASER:
+ case MV88E6393X_PORT_STS_CMODE_USXGMII:
err = mv88e6393x_serdes_irq_status_10g(chip, lane, &status);
if (err)
return err;
@@ -1477,7 +1481,8 @@ static int mv88e6393x_serdes_erratum_5_2(struct mv88e6xxx_chip *chip, int lane,
* to SERDES operating in 10G mode. These registers only apply to 10G
* operation and have no effect on other speeds.
*/
- if (cmode != MV88E6393X_PORT_STS_CMODE_10GBASER)
+ if (cmode != MV88E6393X_PORT_STS_CMODE_10GBASER ||
+ cmode != MV88E6393X_PORT_STS_CMODE_USXGMII)
return 0;
for (i = 0; i < ARRAY_SIZE(fixes); ++i) {
@@ -1582,6 +1587,7 @@ int mv88e6393x_serdes_power(struct mv88e6xxx_chip *chip, int port, int lane,
break;
case MV88E6393X_PORT_STS_CMODE_5GBASER:
case MV88E6393X_PORT_STS_CMODE_10GBASER:
+ case MV88E6393X_PORT_STS_CMODE_USXGMII:
err = mv88e6390_serdes_power_10g(chip, lane, on);
break;
default:
--
2.34.1
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