diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2015-03-26 18:36:29 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-29 13:23:50 -0700 |
| commit | d827e88a3f48606f1fcd0c285613befce375e076 (patch) | |
| tree | 0ee3b0cc80aa4b6ab4c1d3293ea896e218710f32 /drivers/net/dsa | |
| parent | acdaffcc890a29262c9bb47e287b62488c85eb59 (diff) | |
net: dsa: mv88e6xxx: Provide function for common port initialization
Provide mv88e6xxx_setup_port_common() for common port initialization.
Currently only write Port 1 Control and VLAN configuration since
this will be needed for hardware bridging. More can be added later
if desired/needed.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx.c | 39 | ||||
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx.h | 1 |
2 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 6496beb74510..2052e51edd5d 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -700,6 +700,45 @@ int mv88e6xxx_set_eee(struct dsa_switch *ds, int port, return 0; } +int mv88e6xxx_setup_port_common(struct dsa_switch *ds, int port) +{ + struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); + int ret, reg; + + mutex_lock(&ps->smi_mutex); + + /* Port Control 1: disable trunking. Also, if this is the + * CPU port, enable learn messages to be sent to this port. + */ + ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), 0x05, + dsa_is_cpu_port(ds, port) ? 0x8000 : 0x0000); + if (ret) + goto abort; + + /* Port based VLAN map: give each port its own address + * database, allow the CPU port to talk to each of the 'real' + * ports, and allow each of the 'real' ports to only talk to + * the upstream port. + */ + reg = (port & 0xf) << 12; + if (dsa_is_cpu_port(ds, port)) + reg |= ds->phys_port_mask; + else + reg |= 1 << dsa_upstream_port(ds); + + ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), 0x06, reg); + if (ret) + goto abort; + + /* Default VLAN ID and priority: don't set a default VLAN + * ID, and set the default packet priority to zero. + */ + ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), 0x07, 0x0000); +abort: + mutex_unlock(&ps->smi_mutex); + return ret; +} + int mv88e6xxx_setup_common(struct dsa_switch *ds) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h index a02d95a9b313..a4df4968594e 100644 --- a/drivers/net/dsa/mv88e6xxx.h +++ b/drivers/net/dsa/mv88e6xxx.h @@ -57,6 +57,7 @@ struct mv88e6xxx_hw_stat { int reg; }; +int mv88e6xxx_setup_port_common(struct dsa_switch *ds, int port); int mv88e6xxx_setup_common(struct dsa_switch *ds); int __mv88e6xxx_reg_read(struct mii_bus *bus, int sw_addr, int addr, int reg); int mv88e6xxx_reg_read(struct dsa_switch *ds, int addr, int reg); |