1636d88357
The mv88e6172 is part of the mv88e6352 family of devices. Move support for it out of the mv88e6171 driver into the mv88e6352, which results in some simplifications to the code. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/* net/dsa/mv88e6171.c - Marvell 88e6171 switch chip support
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* Copyright (c) 2008-2009 Marvell Semiconductor
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* Copyright (c) 2014 Claudio Leite <leitec@staticky.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/jiffies.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/netdevice.h>
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#include <linux/phy.h>
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#include <net/dsa.h>
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#include "mv88e6xxx.h"
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static char *mv88e6171_probe(struct device *host_dev, int sw_addr)
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{
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struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev);
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int ret;
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if (bus == NULL)
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return NULL;
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ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), PORT_SWITCH_ID);
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if (ret >= 0) {
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if ((ret & 0xfff0) == PORT_SWITCH_ID_6171)
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return "Marvell 88E6171";
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}
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return NULL;
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}
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static int mv88e6171_setup_global(struct dsa_switch *ds)
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{
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u32 upstream_port = dsa_upstream_port(ds);
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int ret;
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u32 reg;
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ret = mv88e6xxx_setup_global(ds);
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if (ret)
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return ret;
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/* Discard packets with excessive collisions, mask all
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* interrupt sources, enable PPU.
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*/
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REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL,
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GLOBAL_CONTROL_PPU_ENABLE | GLOBAL_CONTROL_DISCARD_EXCESS);
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/* Configure the upstream port, and configure the upstream
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* port as the port to which ingress and egress monitor frames
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* are to be sent.
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*/
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reg = upstream_port << GLOBAL_MONITOR_CONTROL_INGRESS_SHIFT |
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upstream_port << GLOBAL_MONITOR_CONTROL_EGRESS_SHIFT |
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upstream_port << GLOBAL_MONITOR_CONTROL_ARP_SHIFT |
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upstream_port << GLOBAL_MONITOR_CONTROL_MIRROR_SHIFT;
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REG_WRITE(REG_GLOBAL, GLOBAL_MONITOR_CONTROL, reg);
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/* Disable remote management for now, and set the switch's
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* DSA device number.
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*/
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REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL_2, ds->index & 0x1f);
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return 0;
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}
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static int mv88e6171_setup(struct dsa_switch *ds)
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{
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struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
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int ret;
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ret = mv88e6xxx_setup_common(ds);
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if (ret < 0)
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return ret;
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ps->num_ports = 7;
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ret = mv88e6xxx_switch_reset(ds, true);
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if (ret < 0)
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return ret;
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ret = mv88e6171_setup_global(ds);
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if (ret < 0)
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return ret;
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return mv88e6xxx_setup_ports(ds);
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}
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struct dsa_switch_driver mv88e6171_switch_driver = {
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.tag_protocol = DSA_TAG_PROTO_EDSA,
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.priv_size = sizeof(struct mv88e6xxx_priv_state),
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.probe = mv88e6171_probe,
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.setup = mv88e6171_setup,
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.set_addr = mv88e6xxx_set_addr_indirect,
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.phy_read = mv88e6xxx_phy_read_indirect,
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.phy_write = mv88e6xxx_phy_write_indirect,
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.poll_link = mv88e6xxx_poll_link,
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.get_strings = mv88e6xxx_get_strings,
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.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
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.get_sset_count = mv88e6xxx_get_sset_count,
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#ifdef CONFIG_NET_DSA_HWMON
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.get_temp = mv88e6xxx_get_temp,
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#endif
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.get_regs_len = mv88e6xxx_get_regs_len,
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.get_regs = mv88e6xxx_get_regs,
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.port_join_bridge = mv88e6xxx_join_bridge,
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.port_leave_bridge = mv88e6xxx_leave_bridge,
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.port_stp_update = mv88e6xxx_port_stp_update,
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.fdb_add = mv88e6xxx_port_fdb_add,
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.fdb_del = mv88e6xxx_port_fdb_del,
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.fdb_getnext = mv88e6xxx_port_fdb_getnext,
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};
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MODULE_ALIAS("platform:mv88e6171");
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