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/*
* net/dsa/mv88e6123_61_65.c - Marvell 88e6123/6161/6165 switch chip support
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
#include <net/dsa.h>
#include "mv88e6xxx.h"
static const struct mv88e6xxx_switch_id mv88e6123_table[] = {
{ PORT_SWITCH_ID_6123, "Marvell 88E6123" },
{ PORT_SWITCH_ID_6123_A1, "Marvell 88E6123 (A1)" },
{ PORT_SWITCH_ID_6123_A2, "Marvell 88E6123 (A2)" },
{ PORT_SWITCH_ID_6161, "Marvell 88E6161" },
{ PORT_SWITCH_ID_6161_A1, "Marvell 88E6161 (A1)" },
{ PORT_SWITCH_ID_6161_A2, "Marvell 88E6161 (A2)" },
{ PORT_SWITCH_ID_6165, "Marvell 88E6165" },
{ PORT_SWITCH_ID_6165_A1, "Marvell 88E6165 (A1)" },
{ PORT_SWITCH_ID_6165_A2, "Marvell 88e6165 (A2)" },
};
static char *mv88e6123_probe(struct device *dsa_dev, struct device *host_dev,
int sw_addr, void **priv)
{
struct mv88e6xxx_priv_state *ps;
char *name;
name = mv88e6xxx_lookup_name(host_dev, sw_addr, mv88e6123_table,
ARRAY_SIZE(mv88e6123_table));
if (name) {
ps = devm_kzalloc(dsa_dev, sizeof(*ps), GFP_KERNEL);
if (!ps)
return NULL;
*priv = ps;
}
return name;
}
static int mv88e6123_setup_global(struct dsa_switch *ds)
{
u32 upstream_port = dsa_upstream_port(ds);
int ret;
u32 reg;
ret = mv88e6xxx_setup_global(ds);
if (ret)
return ret;
/* Disable the PHY polling unit (since there won't be any
* external PHYs to poll), don't discard packets with
* excessive collisions, and mask all interrupt sources.
*/
REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, 0x0000);
/* Configure the upstream port, and configure the upstream
* port as the port to which ingress and egress monitor frames
* are to be sent.
*/
reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT;
REG_WRITE(REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
/* Disable remote management for now, and set the switch's
* DSA device number.
*/
REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL_2, ds->index & 0x1f);
return 0;
}
static int mv88e6123_setup(struct dsa_switch *ds)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
int ret;
ps->ds = ds;
ret = mv88e6xxx_setup_common(ds);
if (ret < 0)
return ret;
switch (ps->id) {
case PORT_SWITCH_ID_6123:
ps->num_ports = 3;
break;
case PORT_SWITCH_ID_6161:
case PORT_SWITCH_ID_6165:
ps->num_ports = 6;
break;
default:
return -ENODEV;
}
ret = mv88e6xxx_switch_reset(ds, false);
if (ret < 0)
return ret;
ret = mv88e6123_setup_global(ds);
if (ret < 0)
return ret;
return mv88e6xxx_setup_ports(ds);
}
struct dsa_switch_driver mv88e6123_switch_driver = {
.tag_protocol = DSA_TAG_PROTO_EDSA,
.probe = mv88e6123_probe,
.setup = mv88e6123_setup,
.set_addr = mv88e6xxx_set_addr_indirect,
.phy_read = mv88e6xxx_phy_read,
.phy_write = mv88e6xxx_phy_write,
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_sset_count = mv88e6xxx_get_sset_count,
.adjust_link = mv88e6xxx_adjust_link,
#ifdef CONFIG_NET_DSA_HWMON
.get_temp = mv88e6xxx_get_temp,
#endif
.get_regs_len = mv88e6xxx_get_regs_len,
.get_regs = mv88e6xxx_get_regs,
};
MODULE_ALIAS("platform:mv88e6123");
MODULE_ALIAS("platform:mv88e6161");
MODULE_ALIAS("platform:mv88e6165");
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