[PATCH net-next v3 7/7] net: dsa: mv88e6xxx: enable support for 88E6361 switch

Alexis Lothoré
2023-05-24T13:02:06Z

Marvell 88E6361 is an 8-port switch derived from the
88E6393X/88E9193X/88E6191X switches family. It can benefit from the
existing mv88e6xxx driver by simply adding the proper switch description in
the driver. Main differences with other switches from this
family are:
- 8 ports exposed (instead of 11): ports 1, 2 and 8 not available
- No 5GBase-x nor SFI/USXGMII support

---
Changes since v2:
- use direct chip info comparison instead of intermediate variable to get
better formatting

Changes since v1:
- define internal phys offset
- enforce 88e6361 features in mv88e6393x_phylink_get_caps
- enforce 88e6361 features in mv88e6393x_port_set_speed_duplex
- enforce 88e6361 features in mv88e6393x_port_max_speed_mode

Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 42 ++++++++++++++++++++++++++++----
drivers/net/dsa/mv88e6xxx/chip.h | 3 ++-
drivers/net/dsa/mv88e6xxx/port.c | 14 ++++++++---
drivers/net/dsa/mv88e6xxx/port.h | 1 +
4 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 0e6267193ac1..7c77b4b634f9 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -790,6 +790,8 @@ static void mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
unsigned long *supported = config->supported_interfaces;
bool is_6191x =
chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6191X;
+ bool is_6361 =
+ chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361;

mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);

@@ -804,13 +806,17 @@ static void mv88e6393x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
/* 6191X supports >1G modes only on port 10 */
if (!is_6191x || port == 10) {
__set_bit(PHY_INTERFACE_MODE_2500BASEX, supported);
- __set_bit(PHY_INTERFACE_MODE_5GBASER, supported);
- __set_bit(PHY_INTERFACE_MODE_10GBASER, supported);
+ config->mac_capabilities |= MAC_2500FD;
+
+ /* 6361 only supports up to 2500BaseX */
+ if (!is_6361) {
+ __set_bit(PHY_INTERFACE_MODE_5GBASER, supported);
+ __set_bit(PHY_INTERFACE_MODE_10GBASER, supported);
+ config->mac_capabilities |= MAC_5000FD |
+ MAC_10000FD;
+ }
/* FIXME: USXGMII is not supported yet */
/* __set_bit(PHY_INTERFACE_MODE_USXGMII, supported); */
-
- config->mac_capabilities |= MAC_2500FD | MAC_5000FD |
- MAC_10000FD;
}
}

@@ -6311,6 +6317,32 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.ptp_support = true,
.ops = &mv88e6352_ops,
},
+ [MV88E6361] = {
+ .prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6361,
+ .family = MV88E6XXX_FAMILY_6393,
+ .name = "Marvell 88E6361",
+ .num_databases = 4096,
+ .num_macs = 16384,
+ .num_ports = 11,
+ /* Ports 1, 2 and 8 are not routed */
+ .invalid_port_mask = BIT(1) | BIT(2) | BIT(8),
+ .num_internal_phys = 5,
+ .internal_phys_offset = 3,
+ .max_vid = 4095,
+ .max_sid = 63,
+ .port_base_addr = 0x0,
+ .phy_base_addr = 0x0,
+ .global1_addr = 0x1b,
+ .global2_addr = 0x1c,
+ .age_time_coeff = 3750,
+ .g1_irqs = 10,
+ .g2_irqs = 14,
+ .atu_move_port_mask = 0x1f,
+ .pvt = true,
+ .multi_chip = true,
+ .ptp_support = true,
+ .ops = &mv88e6393x_ops,
+ },
[MV88E6390] = {
.prod_num = MV88E6XXX_PORT_SWITCH_ID_PROD_6390,
.family = MV88E6XXX_FAMILY_6390,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index dd7c8880e987..79c06ba42c54 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -82,6 +82,7 @@ enum mv88e6xxx_model {
MV88E6350,
MV88E6351,
MV88E6352,
+ MV88E6361,
MV88E6390,
MV88E6390X,
MV88E6393X,
@@ -100,7 +101,7 @@ enum mv88e6xxx_family {
MV88E6XXX_FAMILY_6351, /* 6171 6175 6350 6351 */
MV88E6XXX_FAMILY_6352, /* 6172 6176 6240 6352 */
MV88E6XXX_FAMILY_6390, /* 6190 6190X 6191 6290 6390 6390X */
- MV88E6XXX_FAMILY_6393, /* 6191X 6193X 6393X */
+ MV88E6XXX_FAMILY_6393, /* 6191X 6193X 6361 6393X */
};

/**
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index 66f1b40b4e96..e9b4a6ea4d09 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -424,6 +424,10 @@ int mv88e6393x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
u16 reg, ctrl;
int err;

+ if (chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361 &&
+ speed > 2500)
+ return -EOPNOTSUPP;
+
if (speed == 200 && port != 0)
return -EOPNOTSUPP;

@@ -506,10 +510,14 @@ int mv88e6393x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mv88e6393x_port_max_speed_mode(struct mv88e6xxx_chip *chip,
int port)
{
- if (port == 0 || port == 9 || port == 10)
- return PHY_INTERFACE_MODE_10GBASER;

- return PHY_INTERFACE_MODE_NA;
+ if (port != 0 && port != 9 && port != 10)
+ return PHY_INTERFACE_MODE_NA;
+
+ if (chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361)
+ return PHY_INTERFACE_MODE_2500BASEX;
+
+ return PHY_INTERFACE_MODE_10GBASER;
}

static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 3c9fc17abdd2..56dfa9d3d4e0 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -138,6 +138,7 @@
#define MV88E6XXX_PORT_SWITCH_ID_PROD_6141 0x3400
#define MV88E6XXX_PORT_SWITCH_ID_PROD_6341 0x3410
#define MV88E6XXX_PORT_SWITCH_ID_PROD_6352 0x3520
+#define MV88E6XXX_PORT_SWITCH_ID_PROD_6361 0x2610
#define MV88E6XXX_PORT_SWITCH_ID_PROD_6350 0x3710
#define MV88E6XXX_PORT_SWITCH_ID_PROD_6351 0x3750
#define MV88E6XXX_PORT_SWITCH_ID_PROD_6390 0x3900
--
2.40.1