dsa: Move switch drivers to new directory drivers/net/dsa

Support for specific hardware belongs under drivers/net/ not net/.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 435 deletions

diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
deleted file mode 100644
index e0eb68243834..000000000000
--- a/net/dsa/mv88e6131.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/*
- * net/dsa/mv88e6131.c - Marvell 88e6095/6095f/6131 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/list.h>
-#include <linux/netdevice.h>
-#include <linux/phy.h>
-#include <net/dsa.h>
-#include "mv88e6xxx.h"
-
-/*
- * Switch product IDs
- */
-#define ID_6085		0x04a0
-#define ID_6095		0x0950
-#define ID_6131		0x1060
-
-static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
-{
-	int ret;
-
-	ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
-	if (ret >= 0) {
-		ret &= 0xfff0;
-		if (ret == ID_6085)
-			return "Marvell 88E6085";
-		if (ret == ID_6095)
-			return "Marvell 88E6095/88E6095F";
-		if (ret == ID_6131)
-			return "Marvell 88E6131";
-	}
-
-	return NULL;
-}
-
-static int mv88e6131_switch_reset(struct dsa_switch *ds)
-{
-	int i;
-	int ret;
-
-	/*
-	 * Set all ports to the disabled state.
-	 */
-	for (i = 0; i < 11; i++) {
-		ret = REG_READ(REG_PORT(i), 0x04);
-		REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc);
-	}
-
-	/*
-	 * Wait for transmit queues to drain.
-	 */
-	msleep(2);
-
-	/*
-	 * Reset the switch.
-	 */
-	REG_WRITE(REG_GLOBAL, 0x04, 0xc400);
-
-	/*
-	 * Wait up to one second for reset to complete.
-	 */
-	for (i = 0; i < 1000; i++) {
-		ret = REG_READ(REG_GLOBAL, 0x00);
-		if ((ret & 0xc800) == 0xc800)
-			break;
-
-		msleep(1);
-	}
-	if (i == 1000)
-		return -ETIMEDOUT;
-
-	return 0;
-}
-
-static int mv88e6131_setup_global(struct dsa_switch *ds)
-{
-	int ret;
-	int i;
-
-	/*
-	 * Enable the PHY polling unit, don't discard packets with
-	 * excessive collisions, use a weighted fair queueing scheme
-	 * to arbitrate between packet queues, set the maximum frame
-	 * size to 1632, and mask all interrupt sources.
-	 */
-	REG_WRITE(REG_GLOBAL, 0x04, 0x4400);
-
-	/*
-	 * Set the default address aging time to 5 minutes, and
-	 * enable address learn messages to be sent to all message
-	 * ports.
-	 */
-	REG_WRITE(REG_GLOBAL, 0x0a, 0x0148);
-
-	/*
-	 * Configure the priority mapping registers.
-	 */
-	ret = mv88e6xxx_config_prio(ds);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * Set the VLAN ethertype to 0x8100.
-	 */
-	REG_WRITE(REG_GLOBAL, 0x19, 0x8100);
-
-	/*
-	 * Disable ARP mirroring, and configure the upstream port as
-	 * the port to which ingress and egress monitor frames are to
-	 * be sent.
-	 */
-	REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0);
-
-	/*
-	 * Disable cascade port functionality unless this device
-	 * is used in a cascade configuration, and set the switch's
-	 * DSA device number.
-	 */
-	if (ds->dst->pd->nr_chips > 1)
-		REG_WRITE(REG_GLOBAL, 0x1c, 0xf000 | (ds->index & 0x1f));
-	else
-		REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
-
-	/*
-	 * Send all frames with destination addresses matching
-	 * 01:80:c2:00:00:0x to the CPU port.
-	 */
-	REG_WRITE(REG_GLOBAL2, 0x03, 0xffff);
-
-	/*
-	 * Ignore removed tag data on doubly tagged packets, disable
-	 * flow control messages, force flow control priority to the
-	 * highest, and send all special multicast frames to the CPU
-	 * port at the highest priority.
-	 */
-	REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff);
-
-	/*
-	 * Program the DSA routing table.
-	 */
-	for (i = 0; i < 32; i++) {
-		int nexthop;
-
-		nexthop = 0x1f;
-		if (i != ds->index && i < ds->dst->pd->nr_chips)
-			nexthop = ds->pd->rtable[i] & 0x1f;
-
-		REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop);
-	}
-
-	/*
-	 * Clear all trunk masks.
-	 */
-	for (i = 0; i < 8; i++)
-		REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0x7ff);
-
-	/*
-	 * Clear all trunk mappings.
-	 */
-	for (i = 0; i < 16; i++)
-		REG_WRITE(REG_GLOBAL2, 0x08, 0x8000 | (i << 11));
-
-	/*
-	 * Force the priority of IGMP/MLD snoop frames and ARP frames
-	 * to the highest setting.
-	 */
-	REG_WRITE(REG_GLOBAL2, 0x0f, 0x00ff);
-
-	return 0;
-}
-
-static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
-{
-	struct mv88e6xxx_priv_state *ps = (void *)(ds + 1);
-	int addr = REG_PORT(p);
-	u16 val;
-
-	/*
-	 * MAC Forcing register: don't force link, speed, duplex
-	 * or flow control state to any particular values on physical
-	 * ports, but force the CPU port and all DSA ports to 1000 Mb/s
-	 * (100 Mb/s on 6085) full duplex.
-	 */
-	if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p))
-		if (ps->id == ID_6085)
-			REG_WRITE(addr, 0x01, 0x003d); /* 100 Mb/s */
-		else
-			REG_WRITE(addr, 0x01, 0x003e); /* 1000 Mb/s */
-	else
-		REG_WRITE(addr, 0x01, 0x0003);
-
-	/*
-	 * Port Control: disable Core Tag, disable Drop-on-Lock,
-	 * transmit frames unmodified, disable Header mode,
-	 * enable IGMP/MLD snoop, disable DoubleTag, disable VLAN
-	 * tunneling, determine priority by looking at 802.1p and
-	 * IP priority fields (IP prio has precedence), and set STP
-	 * state to Forwarding.
-	 *
-	 * If this is the upstream port for this switch, enable
-	 * forwarding of unknown unicasts, and enable DSA tagging
-	 * mode.
-	 *
-	 * If this is the link to another switch, use DSA tagging
-	 * mode, but do not enable forwarding of unknown unicasts.
-	 */
-	val = 0x0433;
-	if (p == dsa_upstream_port(ds)) {
-		val |= 0x0104;
-		/*
-		 * On 6085, unknown multicast forward is controlled
-		 * here rather than in Port Control 2 register.
-		 */
-		if (ps->id == ID_6085)
-			val |= 0x0008;
-	}
-	if (ds->dsa_port_mask & (1 << p))
-		val |= 0x0100;
-	REG_WRITE(addr, 0x04, val);
-
-	/*
-	 * Port Control 1: disable trunking.  Also, if this is the
-	 * CPU port, enable learn messages to be sent to this port.
-	 */
-	REG_WRITE(addr, 0x05, dsa_is_cpu_port(ds, p) ? 0x8000 : 0x0000);
-
-	/*
-	 * Port based VLAN map: give each port its own address
-	 * database, allow the CPU port to talk to each of the 'real'
-	 * ports, and allow each of the 'real' ports to only talk to
-	 * the upstream port.
-	 */
-	val = (p & 0xf) << 12;
-	if (dsa_is_cpu_port(ds, p))
-		val |= ds->phys_port_mask;
-	else
-		val |= 1 << dsa_upstream_port(ds);
-	REG_WRITE(addr, 0x06, val);
-
-	/*
-	 * Default VLAN ID and priority: don't set a default VLAN
-	 * ID, and set the default packet priority to zero.
-	 */
-	REG_WRITE(addr, 0x07, 0x0000);
-
-	/*
-	 * Port Control 2: don't force a good FCS, don't use
-	 * VLAN-based, source address-based or destination
-	 * address-based priority overrides, don't let the switch
-	 * add or strip 802.1q tags, don't discard tagged or
-	 * untagged frames on this port, do a destination address
-	 * lookup on received packets as usual, don't send a copy
-	 * of all transmitted/received frames on this port to the
-	 * CPU, and configure the upstream port number.
-	 *
-	 * If this is the upstream port for this switch, enable
-	 * forwarding of unknown multicast addresses.
-	 */
-	if (ps->id == ID_6085)
-		/*
-		 * on 6085, bits 3:0 are reserved, bit 6 control ARP
-		 * mirroring, and multicast forward is handled in
-		 * Port Control register.
-		 */
-		REG_WRITE(addr, 0x08, 0x0080);
-	else {
-		val = 0x0080 | dsa_upstream_port(ds);
-		if (p == dsa_upstream_port(ds))
-			val |= 0x0040;
-		REG_WRITE(addr, 0x08, val);
-	}
-
-	/*
-	 * Rate Control: disable ingress rate limiting.
-	 */
-	REG_WRITE(addr, 0x09, 0x0000);
-
-	/*
-	 * Rate Control 2: disable egress rate limiting.
-	 */
-	REG_WRITE(addr, 0x0a, 0x0000);
-
-	/*
-	 * Port Association Vector: when learning source addresses
-	 * of packets, add the address to the address database using
-	 * a port bitmap that has only the bit for this port set and
-	 * the other bits clear.
-	 */
-	REG_WRITE(addr, 0x0b, 1 << p);
-
-	/*
-	 * Tag Remap: use an identity 802.1p prio -> switch prio
-	 * mapping.
-	 */
-	REG_WRITE(addr, 0x18, 0x3210);
-
-	/*
-	 * Tag Remap 2: use an identity 802.1p prio -> switch prio
-	 * mapping.
-	 */
-	REG_WRITE(addr, 0x19, 0x7654);
-
-	return 0;
-}
-
-static int mv88e6131_setup(struct dsa_switch *ds)
-{
-	struct mv88e6xxx_priv_state *ps = (void *)(ds + 1);
-	int i;
-	int ret;
-
-	mutex_init(&ps->smi_mutex);
-	mv88e6xxx_ppu_state_init(ds);
-	mutex_init(&ps->stats_mutex);
-
-	ps->id = REG_READ(REG_PORT(0), 0x03) & 0xfff0;
-
-	ret = mv88e6131_switch_reset(ds);
-	if (ret < 0)
-		return ret;
-
-	/* @@@ initialise vtu and atu */
-
-	ret = mv88e6131_setup_global(ds);
-	if (ret < 0)
-		return ret;
-
-	for (i = 0; i < 11; i++) {
-		ret = mv88e6131_setup_port(ds, i);
-		if (ret < 0)
-			return ret;
-	}
-
-	return 0;
-}
-
-static int mv88e6131_port_to_phy_addr(int port)
-{
-	if (port >= 0 && port <= 11)
-		return port;
-	return -1;
-}
-
-static int
-mv88e6131_phy_read(struct dsa_switch *ds, int port, int regnum)
-{
-	int addr = mv88e6131_port_to_phy_addr(port);
-	return mv88e6xxx_phy_read_ppu(ds, addr, regnum);
-}
-
-static int
-mv88e6131_phy_write(struct dsa_switch *ds,
-			      int port, int regnum, u16 val)
-{
-	int addr = mv88e6131_port_to_phy_addr(port);
-	return mv88e6xxx_phy_write_ppu(ds, addr, regnum, val);
-}
-
-static struct mv88e6xxx_hw_stat mv88e6131_hw_stats[] = {
-	{ "in_good_octets", 8, 0x00, },
-	{ "in_bad_octets", 4, 0x02, },
-	{ "in_unicast", 4, 0x04, },
-	{ "in_broadcasts", 4, 0x06, },
-	{ "in_multicasts", 4, 0x07, },
-	{ "in_pause", 4, 0x16, },
-	{ "in_undersize", 4, 0x18, },
-	{ "in_fragments", 4, 0x19, },
-	{ "in_oversize", 4, 0x1a, },
-	{ "in_jabber", 4, 0x1b, },
-	{ "in_rx_error", 4, 0x1c, },
-	{ "in_fcs_error", 4, 0x1d, },
-	{ "out_octets", 8, 0x0e, },
-	{ "out_unicast", 4, 0x10, },
-	{ "out_broadcasts", 4, 0x13, },
-	{ "out_multicasts", 4, 0x12, },
-	{ "out_pause", 4, 0x15, },
-	{ "excessive", 4, 0x11, },
-	{ "collisions", 4, 0x1e, },
-	{ "deferred", 4, 0x05, },
-	{ "single", 4, 0x14, },
-	{ "multiple", 4, 0x17, },
-	{ "out_fcs_error", 4, 0x03, },
-	{ "late", 4, 0x1f, },
-	{ "hist_64bytes", 4, 0x08, },
-	{ "hist_65_127bytes", 4, 0x09, },
-	{ "hist_128_255bytes", 4, 0x0a, },
-	{ "hist_256_511bytes", 4, 0x0b, },
-	{ "hist_512_1023bytes", 4, 0x0c, },
-	{ "hist_1024_max_bytes", 4, 0x0d, },
-};
-
-static void
-mv88e6131_get_strings(struct dsa_switch *ds, int port, uint8_t *data)
-{
-	mv88e6xxx_get_strings(ds, ARRAY_SIZE(mv88e6131_hw_stats),
-			      mv88e6131_hw_stats, port, data);
-}
-
-static void
-mv88e6131_get_ethtool_stats(struct dsa_switch *ds,
-				  int port, uint64_t *data)
-{
-	mv88e6xxx_get_ethtool_stats(ds, ARRAY_SIZE(mv88e6131_hw_stats),
-				    mv88e6131_hw_stats, port, data);
-}
-
-static int mv88e6131_get_sset_count(struct dsa_switch *ds)
-{
-	return ARRAY_SIZE(mv88e6131_hw_stats);
-}
-
-struct dsa_switch_driver mv88e6131_switch_driver = {
-	.tag_protocol		= cpu_to_be16(ETH_P_DSA),
-	.priv_size		= sizeof(struct mv88e6xxx_priv_state),
-	.probe			= mv88e6131_probe,
-	.setup			= mv88e6131_setup,
-	.set_addr		= mv88e6xxx_set_addr_direct,
-	.phy_read		= mv88e6131_phy_read,
-	.phy_write		= mv88e6131_phy_write,
-	.poll_link		= mv88e6xxx_poll_link,
-	.get_strings		= mv88e6131_get_strings,
-	.get_ethtool_stats	= mv88e6131_get_ethtool_stats,
-	.get_sset_count		= mv88e6131_get_sset_count,
-};
-
-MODULE_ALIAS("platform:mv88e6085");
-MODULE_ALIAS("platform:mv88e6095");
-MODULE_ALIAS("platform:mv88e6095f");
-MODULE_ALIAS("platform:mv88e6131");