| /* net/dsa/mv88e6171.c - Marvell 88e6171 switch chip support |
| * Copyright (c) 2008-2009 Marvell Semiconductor |
| * Copyright (c) 2014 Claudio Leite <leitec@staticky.com> |
| * |
| * 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 char *mv88e6171_probe(struct device *host_dev, int sw_addr) |
| { |
| struct mii_bus *bus = dsa_host_dev_to_mii_bus(host_dev); |
| int ret; |
| |
| if (bus == NULL) |
| return NULL; |
| |
| ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), PORT_SWITCH_ID); |
| if (ret >= 0) { |
| if ((ret & 0xfff0) == PORT_SWITCH_ID_6171) |
| return "Marvell 88E6171"; |
| if ((ret & 0xfff0) == PORT_SWITCH_ID_6175) |
| return "Marvell 88E6175"; |
| if ((ret & 0xfff0) == PORT_SWITCH_ID_6350) |
| return "Marvell 88E6350"; |
| if ((ret & 0xfff0) == PORT_SWITCH_ID_6351) |
| return "Marvell 88E6351"; |
| } |
| |
| return NULL; |
| } |
| |
| static int mv88e6171_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; |
| |
| /* Discard packets with excessive collisions, mask all |
| * interrupt sources, enable PPU. |
| */ |
| REG_WRITE(REG_GLOBAL, GLOBAL_CONTROL, |
| GLOBAL_CONTROL_PPU_ENABLE | GLOBAL_CONTROL_DISCARD_EXCESS); |
| |
| /* 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 | |
| upstream_port << GLOBAL_MONITOR_CONTROL_MIRROR_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 mv88e6171_setup(struct dsa_switch *ds) |
| { |
| struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); |
| int ret; |
| |
| ret = mv88e6xxx_setup_common(ds); |
| if (ret < 0) |
| return ret; |
| |
| ps->num_ports = 7; |
| |
| ret = mv88e6xxx_switch_reset(ds, true); |
| if (ret < 0) |
| return ret; |
| |
| ret = mv88e6171_setup_global(ds); |
| if (ret < 0) |
| return ret; |
| |
| return mv88e6xxx_setup_ports(ds); |
| } |
| |
| struct dsa_switch_driver mv88e6171_switch_driver = { |
| .tag_protocol = DSA_TAG_PROTO_EDSA, |
| .priv_size = sizeof(struct mv88e6xxx_priv_state), |
| .probe = mv88e6171_probe, |
| .setup = mv88e6171_setup, |
| .set_addr = mv88e6xxx_set_addr_indirect, |
| .phy_read = mv88e6xxx_phy_read_indirect, |
| .phy_write = mv88e6xxx_phy_write_indirect, |
| .poll_link = mv88e6xxx_poll_link, |
| .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, |
| .port_join_bridge = mv88e6xxx_join_bridge, |
| .port_leave_bridge = mv88e6xxx_leave_bridge, |
| .port_stp_update = mv88e6xxx_port_stp_update, |
| .port_fdb_add = mv88e6xxx_port_fdb_add, |
| .port_fdb_del = mv88e6xxx_port_fdb_del, |
| .port_fdb_getnext = mv88e6xxx_port_fdb_getnext, |
| }; |
| |
| MODULE_ALIAS("platform:mv88e6171"); |
| MODULE_ALIAS("platform:mv88e6175"); |
| MODULE_ALIAS("platform:mv88e6350"); |
| MODULE_ALIAS("platform:mv88e6351"); |