diff options
Diffstat (limited to 'net/dsa/mv88e6131.c')
| -rw-r--r-- | net/dsa/mv88e6131.c | 78 |
1 files changed, 50 insertions, 28 deletions
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c index 002995721ecf..bb2b41bc854e 100644 --- a/net/dsa/mv88e6131.c +++ b/net/dsa/mv88e6131.c @@ -102,17 +102,17 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) REG_WRITE(REG_GLOBAL, 0x19, 0x8100); /* - * Disable ARP mirroring, and configure the cpu port as the - * port to which ingress and egress monitor frames are to be - * sent. + * Disable ARP mirroring, and configure the upstream port as + * the port to which ingress and egress monitor frames are to + * be sent. */ - REG_WRITE(REG_GLOBAL, 0x1a, (ds->cpu_port * 0x1100) | 0x00f0); + REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0); /* * Disable cascade port functionality, and set the switch's - * DSA device number to zero. + * DSA device number. */ - REG_WRITE(REG_GLOBAL, 0x1c, 0xe000); + REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f)); /* * Send all frames with destination addresses matching @@ -129,10 +129,17 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff); /* - * Map all DSA device IDs to the CPU port. + * Program the DSA routing table. */ - for (i = 0; i < 32; i++) - REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | ds->cpu_port); + for (i = 0; i < 32; i++) { + int nexthop; + + nexthop = 0x1f; + if (i != ds->index && i < ds->dst->pd->nr_chips) + nexthop = ds->pd->rtable[i] & 0x1f; + + REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop); + } /* * Clear all trunk masks. @@ -158,13 +165,15 @@ static int mv88e6131_setup_global(struct dsa_switch *ds) static int mv88e6131_setup_port(struct dsa_switch *ds, int p) { int addr = REG_PORT(p); + u16 val; /* * MAC Forcing register: don't force link, speed, duplex * or flow control state to any particular values on physical - * ports, but force the CPU port to 1000 Mb/s full duplex. + * ports, but force the CPU port and all DSA ports to 1000 Mb/s + * full duplex. */ - if (p == ds->cpu_port) + if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p)) REG_WRITE(addr, 0x01, 0x003e); else REG_WRITE(addr, 0x01, 0x0003); @@ -175,29 +184,40 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p) * enable IGMP/MLD snoop, disable DoubleTag, disable VLAN * tunneling, determine priority by looking at 802.1p and * IP priority fields (IP prio has precedence), and set STP - * state to Forwarding. Finally, if this is the CPU port, - * additionally enable DSA tagging and forwarding of unknown - * unicast addresses. + * state to Forwarding. + * + * If this is the upstream port for this switch, enable + * forwarding of unknown unicasts, and enable DSA tagging + * mode. + * + * If this is the link to another switch, use DSA tagging + * mode, but do not enable forwarding of unknown unicasts. */ - REG_WRITE(addr, 0x04, (p == ds->cpu_port) ? 0x0537 : 0x0433); + val = 0x0433; + if (p == dsa_upstream_port(ds)) + val |= 0x0104; + if (ds->dsa_port_mask & (1 << p)) + val |= 0x0100; + REG_WRITE(addr, 0x04, val); /* * Port Control 1: disable trunking. Also, if this is the * CPU port, enable learn messages to be sent to this port. */ - REG_WRITE(addr, 0x05, (p == ds->cpu_port) ? 0x8000 : 0x0000); + REG_WRITE(addr, 0x05, dsa_is_cpu_port(ds, p) ? 0x8000 : 0x0000); /* * 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 CPU port. + * the upstream port. */ - REG_WRITE(addr, 0x06, - ((p & 0xf) << 12) | - ((p == ds->cpu_port) ? - ds->valid_port_mask : - (1 << ds->cpu_port))); + val = (p & 0xf) << 12; + if (dsa_is_cpu_port(ds, p)) + val |= ds->phys_port_mask; + else + val |= 1 << dsa_upstream_port(ds); + REG_WRITE(addr, 0x06, val); /* * Default VLAN ID and priority: don't set a default VLAN @@ -213,13 +233,15 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p) * untagged frames on this port, do a destination address * lookup on received packets as usual, don't send a copy * of all transmitted/received frames on this port to the - * CPU, and configure the CPU port number. Also, if this - * is the CPU port, enable forwarding of unknown multicast - * addresses. + * CPU, and configure the upstream port number. + * + * If this is the upstream port for this switch, enable + * forwarding of unknown multicast addresses. */ - REG_WRITE(addr, 0x08, - ((p == ds->cpu_port) ? 0x00c0 : 0x0080) | - ds->cpu_port); + val = 0x0080 | dsa_upstream_port(ds); + if (p == dsa_upstream_port(ds)) + val |= 0x0040; + REG_WRITE(addr, 0x08, val); /* * Rate Control: disable ingress rate limiting. |