1/* net/dsa/mv88e6171.c - Marvell 88e6171 switch chip support
  2 * Copyright (c) 2008-2009 Marvell Semiconductor
  3 * Copyright (c) 2014 Claudio Leite <leitec@staticky.com>
  4 *
  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.
  9 */
 10
 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>
 17#include <net/dsa.h>
 18#include "mv88e6xxx.h"
 19
 20static const struct mv88e6xxx_switch_id mv88e6171_table[] = {
 21	{ PORT_SWITCH_ID_6171, "Marvell 88E6171" },
 22	{ PORT_SWITCH_ID_6175, "Marvell 88E6175" },
 23	{ PORT_SWITCH_ID_6350, "Marvell 88E6350" },
 24	{ PORT_SWITCH_ID_6351, "Marvell 88E6351" },
 25};
 26
 27static char *mv88e6171_probe(struct device *host_dev, int sw_addr)
 28{
 29	return mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6171_table,
 30				     ARRAY_SIZE(mv88e6171_table));
 31}
 32
 33static int mv88e6171_setup_global(struct dsa_switch *ds)
 34{
 35	u32 upstream_port = dsa_upstream_port(ds);
 36	int ret;
 37	u32 reg;
 38
 39	ret = mv88e6xxx_setup_global(ds);
 40	if (ret)
 41		return ret;
 42
 43	/* Discard packets with excessive collisions, mask all
 44	 * interrupt sources, enable PPU.
 45	 */
 46	REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL,
 47		  GLOBAL_CONTROL_PPU_ENABLE | GLOBAL_CONTROL_DISCARD_EXCESS);
 48
 49	/* Configure the upstream port, and configure the upstream
 50	 * port as the port to which ingress and egress monitor frames
 51	 * are to be sent.
 52	 */
 53	reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
 54		upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
 55		upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT |
 56		upstream_port << GLOBAL_MONITOR_CONTROL_MIRROR_SHIFT;
 57	REG_WRITE(REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
 58
 59	/* Disable remote management for now, and set the switch's
 60	 * DSA device number.
 61	 */
 62	REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL_2, ds->index & 0x1f);
 63
 64	return 0;
 65}
 66
 67static int mv88e6171_setup(struct dsa_switch *ds)
 68{
 69	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
 70	int ret;
 71
 72	ret = mv88e6xxx_setup_common(ds);
 73	if (ret < 0)
 74		return ret;
 75
 76	ps->num_ports = 7;
 77
 78	ret = mv88e6xxx_switch_reset(ds, true);
 79	if (ret < 0)
 80		return ret;
 81
 82	ret = mv88e6171_setup_global(ds);
 83	if (ret < 0)
 84		return ret;
 85
 86	return mv88e6xxx_setup_ports(ds);
 87}
 88
 89struct dsa_switch_driver mv88e6171_switch_driver = {
 90	.tag_protocol		= DSA_TAG_PROTO_EDSA,
 91	.priv_size		= sizeof(struct mv88e6xxx_priv_state),
 92	.probe			= mv88e6171_probe,
 93	.setup			= mv88e6171_setup,
 94	.set_addr		= mv88e6xxx_set_addr_indirect,
 95	.phy_read		= mv88e6xxx_phy_read_indirect,
 96	.phy_write		= mv88e6xxx_phy_write_indirect,
 97	.get_strings		= mv88e6xxx_get_strings,
 98	.get_ethtool_stats	= mv88e6xxx_get_ethtool_stats,
 99	.get_sset_count		= mv88e6xxx_get_sset_count,
100	.adjust_link		= mv88e6xxx_adjust_link,
101#ifdef CONFIG_NET_DSA_HWMON
102	.get_temp               = mv88e6xxx_get_temp,
103#endif
104	.get_regs_len		= mv88e6xxx_get_regs_len,
105	.get_regs		= mv88e6xxx_get_regs,
106	.port_bridge_join	= mv88e6xxx_port_bridge_join,
107	.port_bridge_leave	= mv88e6xxx_port_bridge_leave,
108	.port_stp_update        = mv88e6xxx_port_stp_update,
109	.port_vlan_filtering	= mv88e6xxx_port_vlan_filtering,
110	.port_vlan_prepare	= mv88e6xxx_port_vlan_prepare,
111	.port_vlan_add		= mv88e6xxx_port_vlan_add,
112	.port_vlan_del		= mv88e6xxx_port_vlan_del,
113	.port_vlan_dump		= mv88e6xxx_port_vlan_dump,
114	.port_fdb_prepare	= mv88e6xxx_port_fdb_prepare,
115	.port_fdb_add		= mv88e6xxx_port_fdb_add,
116	.port_fdb_del		= mv88e6xxx_port_fdb_del,
117	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
118};
119
120MODULE_ALIAS("platform:mv88e6171");
121MODULE_ALIAS("platform:mv88e6175");
122MODULE_ALIAS("platform:mv88e6350");
123MODULE_ALIAS("platform:mv88e6351");