diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-02-22 10:16:02 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-02-22 11:03:02 +0000 |
| commit | dda1c25751fa22ecbfa8eaa17efb296ff5017408 (patch) | |
| tree | 4dddcd4f9de403db7bf4d89ce0c1843504aafd6a /drivers/net/dsa/b53/b53_serdes.c | |
| parent | 341b672c99b9e69d7e8695979cb8a93f6ae58500 (diff) | |
net: dsa: b53: populate supported_interfaces and mac_capabilities
Populate the supported interfaces and MAC capabilities for the Broadcom
B53 DSA switches in preparation to using these for the generic
validation functionality.
The interface modes are derived from:
- b53_serdes_phylink_validate()
- SRAB mux configuration
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/b53/b53_serdes.c')
| -rw-r--r-- | drivers/net/dsa/b53/b53_serdes.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_serdes.c b/drivers/net/dsa/b53/b53_serdes.c index 5ae3d9783b68..e4cc6442c113 100644 --- a/drivers/net/dsa/b53/b53_serdes.c +++ b/drivers/net/dsa/b53/b53_serdes.c @@ -180,6 +180,35 @@ void b53_serdes_phylink_validate(struct b53_device *dev, int port, } EXPORT_SYMBOL(b53_serdes_phylink_validate); +void b53_serdes_phylink_get_caps(struct b53_device *dev, int port, + struct phylink_config *config) +{ + u8 lane = b53_serdes_map_lane(dev, port); + + if (lane == B53_INVALID_LANE) + return; + + switch (lane) { + case 0: + /* It appears lane 0 supports 2500base-X and 1000base-X */ + __set_bit(PHY_INTERFACE_MODE_2500BASEX, + config->supported_interfaces); + config->mac_capabilities |= MAC_2500FD; + fallthrough; + case 1: + /* It appears lane 1 only supports 1000base-X and SGMII */ + __set_bit(PHY_INTERFACE_MODE_1000BASEX, + config->supported_interfaces); + __set_bit(PHY_INTERFACE_MODE_SGMII, + config->supported_interfaces); + config->mac_capabilities |= MAC_1000FD; + break; + default: + break; + } +} +EXPORT_SYMBOL(b53_serdes_phylink_get_caps); + int b53_serdes_init(struct b53_device *dev, int port) { u8 lane = b53_serdes_map_lane(dev, port); |