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Diffstat (limited to 'net/dsa/mv88e6123_61_65.c')
-rw-r--r--net/dsa/mv88e6123_61_65.c92
1 files changed, 59 insertions, 33 deletions
diff --git a/net/dsa/mv88e6123_61_65.c b/net/dsa/mv88e6123_61_65.c
index 100318722214..52faaa21a4d9 100644
--- a/net/dsa/mv88e6123_61_65.c
+++ b/net/dsa/mv88e6123_61_65.c
@@ -1,6 +1,6 @@
/*
* net/dsa/mv88e6123_61_65.c - Marvell 88e6123/6161/6165 switch chip support
- * Copyright (c) 2008 Marvell Semiconductor
+ * Copyright (c) 2008-2009 Marvell Semiconductor
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -98,17 +98,17 @@ static int mv88e6123_61_65_setup_global(struct dsa_switch *ds)
return ret;
/*
- * Configure the cpu port, and configure the cpu port as the
- * port to which ingress and egress monitor frames are to be
- * sent.
+ * Configure the upstream port, 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 * 0x1110));
+ REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1110));
/*
* Disable remote management for now, and set the switch's
- * DSA device number to zero.
+ * DSA device number.
*/
- REG_WRITE(REG_GLOBAL, 0x1c, 0x0000);
+ REG_WRITE(REG_GLOBAL, 0x1c, ds->index & 0x1f);
/*
* Send all frames with destination addresses matching
@@ -133,10 +133,17 @@ static int mv88e6123_61_65_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.
@@ -176,12 +183,18 @@ static int mv88e6123_61_65_setup_global(struct dsa_switch *ds)
static int mv88e6123_61_65_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.
+ * or flow control state to any particular values on physical
+ * ports, but force the CPU port and all DSA ports to 1000 Mb/s
+ * full duplex.
*/
- REG_WRITE(addr, 0x01, 0x0003);
+ if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p))
+ REG_WRITE(addr, 0x01, 0x003e);
+ else
+ REG_WRITE(addr, 0x01, 0x0003);
/*
* Do not limit the period of time that this port can be
@@ -192,37 +205,50 @@ static int mv88e6123_61_65_setup_port(struct dsa_switch *ds, int p)
/*
* Port Control: disable Drop-on-Unlock, disable Drop-on-Lock,
- * configure the requested (DSA/EDSA) tagging mode if this is
- * the CPU port, disable Header mode, enable IGMP/MLD snooping,
- * 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 forwarding of unknown unicast and
- * multicast addresses.
- */
- REG_WRITE(addr, 0x04,
- (p == ds->cpu_port) ?
- (ds->tag_protocol == htons(ETH_P_DSA)) ?
- 0x053f : 0x373f :
- 0x0433);
+ * disable Header mode, enable IGMP/MLD snooping, disable VLAN
+ * tunneling, determine priority by looking at 802.1p and IP
+ * priority fields (IP prio has precedence), and set STP state
+ * to Forwarding.
+ *
+ * If this is the CPU link, use DSA or EDSA tagging depending
+ * on which tagging mode was configured.
+ *
+ * If this is a link to another switch, use DSA tagging mode.
+ *
+ * If this is the upstream port for this switch, enable
+ * forwarding of unknown unicasts and multicasts.
+ */
+ val = 0x0433;
+ if (dsa_is_cpu_port(ds, p)) {
+ if (ds->dst->tag_protocol == htons(ETH_P_EDSA))
+ val |= 0x3300;
+ else
+ val |= 0x0100;
+ }
+ if (ds->dsa_port_mask & (1 << p))
+ val |= 0x0100;
+ if (p == dsa_upstream_port(ds))
+ val |= 0x000c;
+ 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.
- */
- REG_WRITE(addr, 0x06,
- ((p & 0xf) << 12) |
- ((p == ds->cpu_port) ?
- ds->valid_port_mask :
- (1 << ds->cpu_port)));
+ * the upstream 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