2 * net/dsa/mv88e6131.c - Marvell 88e6095/6095f/6131 switch chip support
3 * Copyright (c) 2008-2009 Marvell Semiconductor
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
11 #include <linux/delay.h>
12 #include <linux/jiffies.h>
13 #include <linux/list.h>
14 #include <linux/module.h>
15 #include <linux/netdevice.h>
16 #include <linux/phy.h>
18 #include "mv88e6xxx.h"
20 static const struct mv88e6xxx_info mv88e6131_table[] = {
22 .prod_num = PORT_SWITCH_ID_PROD_NUM_6095,
23 .name = "Marvell 88E6095/88E6095F",
25 .prod_num = PORT_SWITCH_ID_PROD_NUM_6085,
26 .name = "Marvell 88E6085",
28 .prod_num = PORT_SWITCH_ID_PROD_NUM_6131,
29 .name = "Marvell 88E6131",
31 .prod_num = PORT_SWITCH_ID_PROD_NUM_6185,
32 .name = "Marvell 88E6185",
36 static const char *mv88e6131_drv_probe(struct device *dsa_dev,
37 struct device *host_dev, int sw_addr,
40 return mv88e6xxx_drv_probe(dsa_dev, host_dev, sw_addr, priv,
42 ARRAY_SIZE(mv88e6131_table));
45 static int mv88e6131_setup_global(struct dsa_switch *ds)
47 u32 upstream_port = dsa_upstream_port(ds);
51 ret = mv88e6xxx_setup_global(ds);
55 /* Enable the PHY polling unit, don't discard packets with
56 * excessive collisions, use a weighted fair queueing scheme
57 * to arbitrate between packet queues, set the maximum frame
58 * size to 1632, and mask all interrupt sources.
60 ret = mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_CONTROL,
61 GLOBAL_CONTROL_PPU_ENABLE |
62 GLOBAL_CONTROL_MAX_FRAME_1632);
66 /* Set the VLAN ethertype to 0x8100. */
67 ret = mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_CORE_TAG_TYPE, 0x8100);
71 /* Disable ARP mirroring, and configure the upstream port as
72 * the port to which ingress and egress monitor frames are to
75 reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
76 upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
77 GLOBAL_MONITOR_CONTROL_ARP_DISABLED;
78 ret = mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
82 /* Disable cascade port functionality unless this device
83 * is used in a cascade configuration, and set the switch's
86 if (ds->dst->pd->nr_chips > 1)
87 ret = mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_CONTROL_2,
88 GLOBAL_CONTROL_2_MULTIPLE_CASCADE |
91 ret = mv88e6xxx_reg_write(ds, REG_GLOBAL, GLOBAL_CONTROL_2,
92 GLOBAL_CONTROL_2_NO_CASCADE |
97 /* Force the priority of IGMP/MLD snoop frames and ARP frames
98 * to the highest setting.
100 return mv88e6xxx_reg_write(ds, REG_GLOBAL2, GLOBAL2_PRIO_OVERRIDE,
101 GLOBAL2_PRIO_OVERRIDE_FORCE_SNOOP |
102 7 << GLOBAL2_PRIO_OVERRIDE_SNOOP_SHIFT |
103 GLOBAL2_PRIO_OVERRIDE_FORCE_ARP |
104 7 << GLOBAL2_PRIO_OVERRIDE_ARP_SHIFT);
107 static int mv88e6131_setup(struct dsa_switch *ds)
109 struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
112 ret = mv88e6xxx_setup_common(ds);
116 mv88e6xxx_ppu_state_init(ds);
119 case PORT_SWITCH_ID_6085:
120 case PORT_SWITCH_ID_6185:
123 case PORT_SWITCH_ID_6095:
126 case PORT_SWITCH_ID_6131:
133 ret = mv88e6xxx_switch_reset(ds, false);
137 ret = mv88e6131_setup_global(ds);
141 return mv88e6xxx_setup_ports(ds);
144 static int mv88e6131_port_to_phy_addr(struct dsa_switch *ds, int port)
146 struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
148 if (port >= 0 && port < ps->num_ports)
155 mv88e6131_phy_read(struct dsa_switch *ds, int port, int regnum)
157 int addr = mv88e6131_port_to_phy_addr(ds, port);
162 return mv88e6xxx_phy_read_ppu(ds, addr, regnum);
166 mv88e6131_phy_write(struct dsa_switch *ds,
167 int port, int regnum, u16 val)
169 int addr = mv88e6131_port_to_phy_addr(ds, port);
174 return mv88e6xxx_phy_write_ppu(ds, addr, regnum, val);
177 struct dsa_switch_driver mv88e6131_switch_driver = {
178 .tag_protocol = DSA_TAG_PROTO_DSA,
179 .probe = mv88e6131_drv_probe,
180 .setup = mv88e6131_setup,
181 .set_addr = mv88e6xxx_set_addr_direct,
182 .phy_read = mv88e6131_phy_read,
183 .phy_write = mv88e6131_phy_write,
184 .get_strings = mv88e6xxx_get_strings,
185 .get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
186 .get_sset_count = mv88e6xxx_get_sset_count,
187 .adjust_link = mv88e6xxx_adjust_link,
188 .port_bridge_join = mv88e6xxx_port_bridge_join,
189 .port_bridge_leave = mv88e6xxx_port_bridge_leave,
190 .port_vlan_filtering = mv88e6xxx_port_vlan_filtering,
191 .port_vlan_prepare = mv88e6xxx_port_vlan_prepare,
192 .port_vlan_add = mv88e6xxx_port_vlan_add,
193 .port_vlan_del = mv88e6xxx_port_vlan_del,
194 .port_vlan_dump = mv88e6xxx_port_vlan_dump,
195 .port_fdb_prepare = mv88e6xxx_port_fdb_prepare,
196 .port_fdb_add = mv88e6xxx_port_fdb_add,
197 .port_fdb_del = mv88e6xxx_port_fdb_del,
198 .port_fdb_dump = mv88e6xxx_port_fdb_dump,
201 MODULE_ALIAS("platform:mv88e6085");
202 MODULE_ALIAS("platform:mv88e6095");
203 MODULE_ALIAS("platform:mv88e6095f");
204 MODULE_ALIAS("platform:mv88e6131");