forked from Minki/linux
15966a2a76
Use defines for registers, shifts and bits in the remaining register accesses in the individual drivers, in order to aid readability. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
142 lines
3.7 KiB
C
142 lines
3.7 KiB
C
/*
|
|
* 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 char *mv88e6123_61_65_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 == PORT_SWITCH_ID_6123_A1)
|
|
return "Marvell 88E6123 (A1)";
|
|
if (ret == PORT_SWITCH_ID_6123_A2)
|
|
return "Marvell 88E6123 (A2)";
|
|
if ((ret & 0xfff0) == PORT_SWITCH_ID_6123)
|
|
return "Marvell 88E6123";
|
|
|
|
if (ret == PORT_SWITCH_ID_6161_A1)
|
|
return "Marvell 88E6161 (A1)";
|
|
if (ret == PORT_SWITCH_ID_6161_A2)
|
|
return "Marvell 88E6161 (A2)";
|
|
if ((ret & 0xfff0) == PORT_SWITCH_ID_6161)
|
|
return "Marvell 88E6161";
|
|
|
|
if (ret == PORT_SWITCH_ID_6165_A1)
|
|
return "Marvell 88E6165 (A1)";
|
|
if (ret == PORT_SWITCH_ID_6165_A2)
|
|
return "Marvell 88e6165 (A2)";
|
|
if ((ret & 0xfff0) == PORT_SWITCH_ID_6165)
|
|
return "Marvell 88E6165";
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int mv88e6123_61_65_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_61_65_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;
|
|
|
|
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_61_65_setup_global(ds);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return mv88e6xxx_setup_ports(ds);
|
|
}
|
|
|
|
struct dsa_switch_driver mv88e6123_61_65_switch_driver = {
|
|
.tag_protocol = DSA_TAG_PROTO_EDSA,
|
|
.priv_size = sizeof(struct mv88e6xxx_priv_state),
|
|
.probe = mv88e6123_61_65_probe,
|
|
.setup = mv88e6123_61_65_setup,
|
|
.set_addr = mv88e6xxx_set_addr_indirect,
|
|
.phy_read = mv88e6xxx_phy_read,
|
|
.phy_write = mv88e6xxx_phy_write,
|
|
.poll_link = mv88e6xxx_poll_link,
|
|
.get_strings = mv88e6xxx_get_strings,
|
|
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
|
|
.get_sset_count = mv88e6xxx_get_sset_count,
|
|
#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");
|