From 6137bedf972f576765c6e5d4373a488951371609 Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Tue, 13 May 2014 00:37:30 +0200
Subject: [PATCH] phy: add ar8216 PHY support

---
 drivers/net/phy/Kconfig         |    9 +
 drivers/net/phy/Makefile        |    1 +
 drivers/net/phy/ar8216.c        | 2978 +++++++++++++++++++++++++++++++++++++++
 drivers/net/phy/ar8216.h        |  492 +++++++
 include/linux/ar8216_platform.h |  131 ++
 5 files changed, 3611 insertions(+)
 create mode 100644 drivers/net/phy/ar8216.c
 create mode 100644 drivers/net/phy/ar8216.h
 create mode 100644 include/linux/ar8216_platform.h

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 36a13fc..0414889 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -116,6 +116,15 @@ config MICREL_PHY
 	---help---
 	  Supports the KSZ9021, VSC8201, KS8001 PHYs.
 
+config AR8216_PHY
+	tristate "Driver for Atheros AR8216 switches"
+	select ETHERNET_PACKET_MANGLE
+	select SWCONFIG
+
+config AR8216_PHY_LEDS
+	bool "Atheros AR8216 switch LED support"
+	depends on (AR8216_PHY && LEDS_CLASS)
+
 config FIXED_PHY
 	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
 	depends on PHYLIB=y
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index b510bd6..3c76ff8 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_BCM63XX_PHY)	+= bcm63xx.o
 obj-$(CONFIG_BCM87XX_PHY)	+= bcm87xx.o
 obj-$(CONFIG_ICPLUS_PHY)	+= icplus.o
 obj-$(CONFIG_REALTEK_PHY)	+= realtek.o
+obj-$(CONFIG_AR8216_PHY)	+= ar8216.o
 obj-$(CONFIG_LSI_ET1011C_PHY)	+= et1011c.o
 obj-$(CONFIG_FIXED_PHY)		+= fixed.o
 obj-$(CONFIG_MDIO_BITBANG)	+= mdio-bitbang.o
diff --git a/drivers/net/phy/ar8216.c b/drivers/net/phy/ar8216.c
new file mode 100644
index 0000000..3f60878
--- /dev/null
+++ b/drivers/net/phy/ar8216.c
@@ -0,0 +1,2978 @@
+/*
+ * ar8216.c: AR8216 switch driver
+ *
+ * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <linux/bitops.h>
+#include <net/genetlink.h>
+#include <linux/switch.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/lockdep.h>
+#include <linux/ar8216_platform.h>
+#include <linux/workqueue.h>
+#include <linux/of_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+
+#include "ar8216.h"
+
+/* size of the vlan table */
+#define AR8X16_MAX_VLANS	128
+#define AR8X16_PROBE_RETRIES	10
+#define AR8X16_MAX_PORTS	8
+
+#define AR8XXX_MIB_WORK_DELAY	2000 /* msecs */
+
+struct ar8xxx_priv;
+
+#define AR8XXX_CAP_GIGE			BIT(0)
+#define AR8XXX_CAP_MIB_COUNTERS		BIT(1)
+
+enum {
+	AR8XXX_VER_AR8216 = 0x01,
+	AR8XXX_VER_AR8236 = 0x03,
+	AR8XXX_VER_AR8316 = 0x10,
+	AR8XXX_VER_AR8327 = 0x12,
+	AR8XXX_VER_AR8337 = 0x13,
+};
+
+struct ar8xxx_mib_desc {
+	unsigned int size;
+	unsigned int offset;
+	const char *name;
+};
+
+struct ar8xxx_chip {
+	unsigned long caps;
+
+	int (*hw_init)(struct ar8xxx_priv *priv);
+	void (*cleanup)(struct ar8xxx_priv *priv);
+
+	void (*init_globals)(struct ar8xxx_priv *priv);
+	void (*init_port)(struct ar8xxx_priv *priv, int port);
+	void (*setup_port)(struct ar8xxx_priv *priv, int port, u32 egress,
+			   u32 ingress, u32 members, u32 pvid);
+	u32 (*read_port_status)(struct ar8xxx_priv *priv, int port);
+	int (*atu_flush)(struct ar8xxx_priv *priv);
+	void (*vtu_flush)(struct ar8xxx_priv *priv);
+	void (*vtu_load_vlan)(struct ar8xxx_priv *priv, u32 vid, u32 port_mask);
+
+	const struct ar8xxx_mib_desc *mib_decs;
+	unsigned num_mibs;
+};
+
+enum ar8327_led_pattern {
+	AR8327_LED_PATTERN_OFF = 0,
+	AR8327_LED_PATTERN_BLINK,
+	AR8327_LED_PATTERN_ON,
+	AR8327_LED_PATTERN_RULE,
+};
+
+struct ar8327_led_entry {
+	unsigned reg;
+	unsigned shift;
+};
+
+struct ar8327_led {
+	struct led_classdev cdev;
+	struct ar8xxx_priv *sw_priv;
+
+	char *name;
+	bool active_low;
+	u8 led_num;
+	enum ar8327_led_mode mode;
+
+	struct mutex mutex;
+	spinlock_t lock;
+	struct work_struct led_work;
+	bool enable_hw_mode;
+	enum ar8327_led_pattern pattern;
+};
+
+struct ar8327_data {
+	u32 port0_status;
+	u32 port6_status;
+
+	struct ar8327_led **leds;
+	unsigned int num_leds;
+};
+
+struct ar8xxx_priv {
+	struct switch_dev dev;
+	struct mii_bus *mii_bus;
+	struct phy_device *phy;
+
+	u32 (*read)(struct ar8xxx_priv *priv, int reg);
+	void (*write)(struct ar8xxx_priv *priv, int reg, u32 val);
+	u32 (*rmw)(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val);
+
+	int (*get_port_link)(unsigned port);
+
+	const struct net_device_ops *ndo_old;
+	struct net_device_ops ndo;
+	struct mutex reg_mutex;
+	u8 chip_ver;
+	u8 chip_rev;
+	const struct ar8xxx_chip *chip;
+	union {
+		struct ar8327_data ar8327;
+	} chip_data;
+	bool initialized;
+	bool port4_phy;
+	char buf[2048];
+
+	bool init;
+	bool mii_lo_first;
+
+	struct mutex mib_lock;
+	struct delayed_work mib_work;
+	int mib_next_port;
+	u64 *mib_stats;
+
+	struct list_head list;
+	unsigned int use_count;
+
+	/* all fields below are cleared on reset */
+	bool vlan;
+	u16 vlan_id[AR8X16_MAX_VLANS];
+	u8 vlan_table[AR8X16_MAX_VLANS];
+	u8 vlan_tagged;
+	u16 pvid[AR8X16_MAX_PORTS];
+
+	/* mirroring */
+	bool mirror_rx;
+	bool mirror_tx;
+	int source_port;
+	int monitor_port;
+};
+
+#define MIB_DESC(_s , _o, _n)	\
+	{			\
+		.size = (_s),	\
+		.offset = (_o),	\
+		.name = (_n),	\
+	}
+
+static const struct ar8xxx_mib_desc ar8216_mibs[] = {
+	MIB_DESC(1, AR8216_STATS_RXBROAD, "RxBroad"),
+	MIB_DESC(1, AR8216_STATS_RXPAUSE, "RxPause"),
+	MIB_DESC(1, AR8216_STATS_RXMULTI, "RxMulti"),
+	MIB_DESC(1, AR8216_STATS_RXFCSERR, "RxFcsErr"),
+	MIB_DESC(1, AR8216_STATS_RXALIGNERR, "RxAlignErr"),
+	MIB_DESC(1, AR8216_STATS_RXRUNT, "RxRunt"),
+	MIB_DESC(1, AR8216_STATS_RXFRAGMENT, "RxFragment"),
+	MIB_DESC(1, AR8216_STATS_RX64BYTE, "Rx64Byte"),
+	MIB_DESC(1, AR8216_STATS_RX128BYTE, "Rx128Byte"),
+	MIB_DESC(1, AR8216_STATS_RX256BYTE, "Rx256Byte"),
+	MIB_DESC(1, AR8216_STATS_RX512BYTE, "Rx512Byte"),
+	MIB_DESC(1, AR8216_STATS_RX1024BYTE, "Rx1024Byte"),
+	MIB_DESC(1, AR8216_STATS_RXMAXBYTE, "RxMaxByte"),
+	MIB_DESC(1, AR8216_STATS_RXTOOLONG, "RxTooLong"),
+	MIB_DESC(2, AR8216_STATS_RXGOODBYTE, "RxGoodByte"),
+	MIB_DESC(2, AR8216_STATS_RXBADBYTE, "RxBadByte"),
+	MIB_DESC(1, AR8216_STATS_RXOVERFLOW, "RxOverFlow"),
+	MIB_DESC(1, AR8216_STATS_FILTERED, "Filtered"),
+	MIB_DESC(1, AR8216_STATS_TXBROAD, "TxBroad"),
+	MIB_DESC(1, AR8216_STATS_TXPAUSE, "TxPause"),
+	MIB_DESC(1, AR8216_STATS_TXMULTI, "TxMulti"),
+	MIB_DESC(1, AR8216_STATS_TXUNDERRUN, "TxUnderRun"),
+	MIB_DESC(1, AR8216_STATS_TX64BYTE, "Tx64Byte"),
+	MIB_DESC(1, AR8216_STATS_TX128BYTE, "Tx128Byte"),
+	MIB_DESC(1, AR8216_STATS_TX256BYTE, "Tx256Byte"),
+	MIB_DESC(1, AR8216_STATS_TX512BYTE, "Tx512Byte"),
+	MIB_DESC(1, AR8216_STATS_TX1024BYTE, "Tx1024Byte"),
+	MIB_DESC(1, AR8216_STATS_TXMAXBYTE, "TxMaxByte"),
+	MIB_DESC(1, AR8216_STATS_TXOVERSIZE, "TxOverSize"),
+	MIB_DESC(2, AR8216_STATS_TXBYTE, "TxByte"),
+	MIB_DESC(1, AR8216_STATS_TXCOLLISION, "TxCollision"),
+	MIB_DESC(1, AR8216_STATS_TXABORTCOL, "TxAbortCol"),
+	MIB_DESC(1, AR8216_STATS_TXMULTICOL, "TxMultiCol"),
+	MIB_DESC(1, AR8216_STATS_TXSINGLECOL, "TxSingleCol"),
+	MIB_DESC(1, AR8216_STATS_TXEXCDEFER, "TxExcDefer"),
+	MIB_DESC(1, AR8216_STATS_TXDEFER, "TxDefer"),
+	MIB_DESC(1, AR8216_STATS_TXLATECOL, "TxLateCol"),
+};
+
+static const struct ar8xxx_mib_desc ar8236_mibs[] = {
+	MIB_DESC(1, AR8236_STATS_RXBROAD, "RxBroad"),
+	MIB_DESC(1, AR8236_STATS_RXPAUSE, "RxPause"),
+	MIB_DESC(1, AR8236_STATS_RXMULTI, "RxMulti"),
+	MIB_DESC(1, AR8236_STATS_RXFCSERR, "RxFcsErr"),
+	MIB_DESC(1, AR8236_STATS_RXALIGNERR, "RxAlignErr"),
+	MIB_DESC(1, AR8236_STATS_RXRUNT, "RxRunt"),
+	MIB_DESC(1, AR8236_STATS_RXFRAGMENT, "RxFragment"),
+	MIB_DESC(1, AR8236_STATS_RX64BYTE, "Rx64Byte"),
+	MIB_DESC(1, AR8236_STATS_RX128BYTE, "Rx128Byte"),
+	MIB_DESC(1, AR8236_STATS_RX256BYTE, "Rx256Byte"),
+	MIB_DESC(1, AR8236_STATS_RX512BYTE, "Rx512Byte"),
+	MIB_DESC(1, AR8236_STATS_RX1024BYTE, "Rx1024Byte"),
+	MIB_DESC(1, AR8236_STATS_RX1518BYTE, "Rx1518Byte"),
+	MIB_DESC(1, AR8236_STATS_RXMAXBYTE, "RxMaxByte"),
+	MIB_DESC(1, AR8236_STATS_RXTOOLONG, "RxTooLong"),
+	MIB_DESC(2, AR8236_STATS_RXGOODBYTE, "RxGoodByte"),
+	MIB_DESC(2, AR8236_STATS_RXBADBYTE, "RxBadByte"),
+	MIB_DESC(1, AR8236_STATS_RXOVERFLOW, "RxOverFlow"),
+	MIB_DESC(1, AR8236_STATS_FILTERED, "Filtered"),
+	MIB_DESC(1, AR8236_STATS_TXBROAD, "TxBroad"),
+	MIB_DESC(1, AR8236_STATS_TXPAUSE, "TxPause"),
+	MIB_DESC(1, AR8236_STATS_TXMULTI, "TxMulti"),
+	MIB_DESC(1, AR8236_STATS_TXUNDERRUN, "TxUnderRun"),
+	MIB_DESC(1, AR8236_STATS_TX64BYTE, "Tx64Byte"),
+	MIB_DESC(1, AR8236_STATS_TX128BYTE, "Tx128Byte"),
+	MIB_DESC(1, AR8236_STATS_TX256BYTE, "Tx256Byte"),
+	MIB_DESC(1, AR8236_STATS_TX512BYTE, "Tx512Byte"),
+	MIB_DESC(1, AR8236_STATS_TX1024BYTE, "Tx1024Byte"),
+	MIB_DESC(1, AR8236_STATS_TX1518BYTE, "Tx1518Byte"),
+	MIB_DESC(1, AR8236_STATS_TXMAXBYTE, "TxMaxByte"),
+	MIB_DESC(1, AR8236_STATS_TXOVERSIZE, "TxOverSize"),
+	MIB_DESC(2, AR8236_STATS_TXBYTE, "TxByte"),
+	MIB_DESC(1, AR8236_STATS_TXCOLLISION, "TxCollision"),
+	MIB_DESC(1, AR8236_STATS_TXABORTCOL, "TxAbortCol"),
+	MIB_DESC(1, AR8236_STATS_TXMULTICOL, "TxMultiCol"),
+	MIB_DESC(1, AR8236_STATS_TXSINGLECOL, "TxSingleCol"),
+	MIB_DESC(1, AR8236_STATS_TXEXCDEFER, "TxExcDefer"),
+	MIB_DESC(1, AR8236_STATS_TXDEFER, "TxDefer"),
+	MIB_DESC(1, AR8236_STATS_TXLATECOL, "TxLateCol"),
+};
+
+static DEFINE_MUTEX(ar8xxx_dev_list_lock);
+static LIST_HEAD(ar8xxx_dev_list);
+
+static inline struct ar8xxx_priv *
+swdev_to_ar8xxx(struct switch_dev *swdev)
+{
+	return container_of(swdev, struct ar8xxx_priv, dev);
+}
+
+static inline bool ar8xxx_has_gige(struct ar8xxx_priv *priv)
+{
+	return priv->chip->caps & AR8XXX_CAP_GIGE;
+}
+
+static inline bool ar8xxx_has_mib_counters(struct ar8xxx_priv *priv)
+{
+	return priv->chip->caps & AR8XXX_CAP_MIB_COUNTERS;
+}
+
+static inline bool chip_is_ar8216(struct ar8xxx_priv *priv)
+{
+	return priv->chip_ver == AR8XXX_VER_AR8216;
+}
+
+static inline bool chip_is_ar8236(struct ar8xxx_priv *priv)
+{
+	return priv->chip_ver == AR8XXX_VER_AR8236;
+}
+
+static inline bool chip_is_ar8316(struct ar8xxx_priv *priv)
+{
+	return priv->chip_ver == AR8XXX_VER_AR8316;
+}
+
+static inline bool chip_is_ar8327(struct ar8xxx_priv *priv)
+{
+	return priv->chip_ver == AR8XXX_VER_AR8327;
+}
+
+static inline bool chip_is_ar8337(struct ar8xxx_priv *priv)
+{
+	return priv->chip_ver == AR8XXX_VER_AR8337;
+}
+
+static inline void
+split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page)
+{
+	regaddr >>= 1;
+	*r1 = regaddr & 0x1e;
+
+	regaddr >>= 5;
+	*r2 = regaddr & 0x7;
+
+	regaddr >>= 3;
+	*page = regaddr & 0x1ff;
+}
+
+static u32
+ar8xxx_mii_read(struct ar8xxx_priv *priv, int reg)
+{
+	struct mii_bus *bus = priv->mii_bus;
+	u16 r1, r2, page;
+	u16 lo, hi;
+
+	split_addr((u32) reg, &r1, &r2, &page);
+
+	mutex_lock(&bus->mdio_lock);
+
+	bus->write(bus, 0x18, 0, page);
+	usleep_range(1000, 2000); /* wait for the page switch to propagate */
+	lo = bus->read(bus, 0x10 | r2, r1);
+	hi = bus->read(bus, 0x10 | r2, r1 + 1);
+
+	mutex_unlock(&bus->mdio_lock);
+
+	return (hi << 16) | lo;
+}
+
+static void
+ar8xxx_mii_write(struct ar8xxx_priv *priv, int reg, u32 val)
+{
+	struct mii_bus *bus = priv->mii_bus;
+	u16 r1, r2, r3;
+	u16 lo, hi;
+
+	split_addr((u32) reg, &r1, &r2, &r3);
+	lo = val & 0xffff;
+	hi = (u16) (val >> 16);
+
+	mutex_lock(&bus->mdio_lock);
+
+	bus->write(bus, 0x18, 0, r3);
+	usleep_range(1000, 2000); /* wait for the page switch to propagate */
+	if (priv->mii_lo_first) {
+		bus->write(bus, 0x10 | r2, r1, lo);
+		bus->write(bus, 0x10 | r2, r1 + 1, hi);
+	} else {
+		bus->write(bus, 0x10 | r2, r1 + 1, hi);
+		bus->write(bus, 0x10 | r2, r1, lo);
+	}
+
+	mutex_unlock(&bus->mdio_lock);
+}
+
+static u32
+ar8xxx_mii_rmw(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val)
+{
+	struct mii_bus *bus = priv->mii_bus;
+	u16 r1, r2, page;
+	u16 lo, hi;
+	u32 ret;
+
+	split_addr((u32) reg, &r1, &r2, &page);
+
+	mutex_lock(&bus->mdio_lock);
+
+	bus->write(bus, 0x18, 0, page);
+	usleep_range(1000, 2000); /* wait for the page switch to propagate */
+
+	lo = bus->read(bus, 0x10 | r2, r1);
+	hi = bus->read(bus, 0x10 | r2, r1 + 1);
+
+	ret = hi << 16 | lo;
+	ret &= ~mask;
+	ret |= val;
+
+	lo = ret & 0xffff;
+	hi = (u16) (ret >> 16);
+
+	if (priv->mii_lo_first) {
+		bus->write(bus, 0x10 | r2, r1, lo);
+		bus->write(bus, 0x10 | r2, r1 + 1, hi);
+	} else {
+		bus->write(bus, 0x10 | r2, r1 + 1, hi);
+		bus->write(bus, 0x10 | r2, r1, lo);
+	}
+
+	mutex_unlock(&bus->mdio_lock);
+
+	return ret;
+}
+
+
+static void
+ar8xxx_phy_dbg_write(struct ar8xxx_priv *priv, int phy_addr,
+		     u16 dbg_addr, u16 dbg_data)
+{
+	struct mii_bus *bus = priv->mii_bus;
+
+	mutex_lock(&bus->mdio_lock);
+	bus->write(bus, phy_addr, MII_ATH_DBG_ADDR, dbg_addr);
+	bus->write(bus, phy_addr, MII_ATH_DBG_DATA, dbg_data);
+	mutex_unlock(&bus->mdio_lock);
+}
+
+static void
+ar8xxx_phy_mmd_write(struct ar8xxx_priv *priv, int phy_addr, u16 addr, u16 data)
+{
+	struct mii_bus *bus = priv->mii_bus;
+
+	mutex_lock(&bus->mdio_lock);
+	bus->write(bus, phy_addr, MII_ATH_MMD_ADDR, addr);
+	bus->write(bus, phy_addr, MII_ATH_MMD_DATA, data);
+	mutex_unlock(&bus->mdio_lock);
+}
+
+static inline u32
+ar8xxx_rmw(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val)
+{
+	return priv->rmw(priv, reg, mask, val);
+}
+
+static inline void
+ar8xxx_reg_set(struct ar8xxx_priv *priv, int reg, u32 val)
+{
+	priv->rmw(priv, reg, 0, val);
+}
+
+static int
+ar8xxx_reg_wait(struct ar8xxx_priv *priv, u32 reg, u32 mask, u32 val,
+		unsigned timeout)
+{
+	int i;
+
+	for (i = 0; i < timeout; i++) {
+		u32 t;
+
+		t = priv->read(priv, reg);
+		if ((t & mask) == val)
+			return 0;
+
+		usleep_range(1000, 2000);
+	}
+
+	return -ETIMEDOUT;
+}
+
+static int
+ar8xxx_mib_op(struct ar8xxx_priv *priv, u32 op)
+{
+	unsigned mib_func;
+	int ret;
+
+	lockdep_assert_held(&priv->mib_lock);
+
+	if (chip_is_ar8327(priv) || chip_is_ar8337(priv))
+		mib_func = AR8327_REG_MIB_FUNC;
+	else
+		mib_func = AR8216_REG_MIB_FUNC;
+
+	/* Capture the hardware statistics for all ports */
+	ar8xxx_rmw(priv, mib_func, AR8216_MIB_FUNC, (op << AR8216_MIB_FUNC_S));
+
+	/* Wait for the capturing to complete. */
+	ret = ar8xxx_reg_wait(priv, mib_func, AR8216_MIB_BUSY, 0, 10);
+	if (ret)
+		goto out;
+
+	ret = 0;
+
+out:
+	return ret;
+}
+
+static int
+ar8xxx_mib_capture(struct ar8xxx_priv *priv)
+{
+	return ar8xxx_mib_op(priv, AR8216_MIB_FUNC_CAPTURE);
+}
+
+static int
+ar8xxx_mib_flush(struct ar8xxx_priv *priv)
+{
+	return ar8xxx_mib_op(priv, AR8216_MIB_FUNC_FLUSH);
+}
+
+static void
+ar8xxx_mib_fetch_port_stat(struct ar8xxx_priv *priv, int port, bool flush)
+{
+	unsigned int base;
+	u64 *mib_stats;
+	int i;
+
+	WARN_ON(port >= priv->dev.ports);
+
+	lockdep_assert_held(&priv->mib_lock);
+
+	if (chip_is_ar8327(priv) || chip_is_ar8337(priv))
+		base = AR8327_REG_PORT_STATS_BASE(port);
+	else if (chip_is_ar8236(priv) ||
+		 chip_is_ar8316(priv))
+		base = AR8236_REG_PORT_STATS_BASE(port);
+	else
+		base = AR8216_REG_PORT_STATS_BASE(port);
+
+	mib_stats = &priv->mib_stats[port * priv->chip->num_mibs];
+	for (i = 0; i < priv->chip->num_mibs; i++) {
+		const struct ar8xxx_mib_desc *mib;
+		u64 t;
+
+		mib = &priv->chip->mib_decs[i];
+		t = priv->read(priv, base + mib->offset);
+		if (mib->size == 2) {
+			u64 hi;
+
+			hi = priv->read(priv, base + mib->offset + 4);
+			t |= hi << 32;
+		}
+
+		if (flush)
+			mib_stats[i] = 0;
+		else
+			mib_stats[i] += t;
+	}
+}
+
+static void
+ar8216_read_port_link(struct ar8xxx_priv *priv, int port,
+		      struct switch_port_link *link)
+{
+	u32 status;
+	u32 speed;
+
+	memset(link, '\0', sizeof(*link));
+
+	status = priv->chip->read_port_status(priv, port);
+
+	link->aneg = !!(status & AR8216_PORT_STATUS_LINK_AUTO);
+	if (link->aneg) {
+		link->link = !!(status & AR8216_PORT_STATUS_LINK_UP);
+	} else {
+		link->link = true;
+
+		if (priv->get_port_link) {
+			int err;
+
+			err = priv->get_port_link(port);
+			if (err >= 0)
+				link->link = !!err;
+		}
+	}
+
+	if (!link->link)
+		return;
+
+	link->duplex = !!(status & AR8216_PORT_STATUS_DUPLEX);
+	link->tx_flow = !!(status & AR8216_PORT_STATUS_TXFLOW);
+	link->rx_flow = !!(status & AR8216_PORT_STATUS_RXFLOW);
+
+	speed = (status & AR8216_PORT_STATUS_SPEED) >>
+		 AR8216_PORT_STATUS_SPEED_S;
+
+	switch (speed) {
+	case AR8216_PORT_SPEED_10M:
+		link->speed = SWITCH_PORT_SPEED_10;
+		break;
+	case AR8216_PORT_SPEED_100M:
+		link->speed = SWITCH_PORT_SPEED_100;
+		break;
+	case AR8216_PORT_SPEED_1000M:
+		link->speed = SWITCH_PORT_SPEED_1000;
+		break;
+	default:
+		link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+		break;
+	}
+}
+
+static struct sk_buff *
+ar8216_mangle_tx(struct net_device *dev, struct sk_buff *skb)
+{
+	struct ar8xxx_priv *priv = dev->phy_ptr;
+	unsigned char *buf;
+
+	if (unlikely(!priv))
+		goto error;
+
+	if (!priv->vlan)
+		goto send;
+
+	if (unlikely(skb_headroom(skb) < 2)) {
+		if (pskb_expand_head(skb, 2, 0, GFP_ATOMIC) < 0)
+			goto error;
+	}
+
+	buf = skb_push(skb, 2);
+	buf[0] = 0x10;
+	buf[1] = 0x80;
+
+send:
+	return skb;
+
+error:
+	dev_kfree_skb_any(skb);
+	return NULL;
+}
+
+static void
+ar8216_mangle_rx(struct net_device *dev, struct sk_buff *skb)
+{
+	struct ar8xxx_priv *priv;
+	unsigned char *buf;
+	int port, vlan;
+
+	priv = dev->phy_ptr;
+	if (!priv)
+		return;
+
+	/* don't strip the header if vlan mode is disabled */
+	if (!priv->vlan)
+		return;
+
+	/* strip header, get vlan id */
+	buf = skb->data;
+	skb_pull(skb, 2);
+
+	/* check for vlan header presence */
+	if ((buf[12 + 2] != 0x81) || (buf[13 + 2] != 0x00))
+		return;
+
+	port = buf[0] & 0xf;
+
+	/* no need to fix up packets coming from a tagged source */
+	if (priv->vlan_tagged & (1 << port))
+		return;
+
+	/* lookup port vid from local table, the switch passes an invalid vlan id */
+	vlan = priv->vlan_id[priv->pvid[port]];
+
+	buf[14 + 2] &= 0xf0;
+	buf[14 + 2] |= vlan >> 8;
+	buf[15 + 2] = vlan & 0xff;
+}
+
+static int
+ar8216_wait_bit(struct ar8xxx_priv *priv, int reg, u32 mask, u32 val)
+{
+	int timeout = 20;
+	u32 t = 0;
+
+	while (1) {
+		t = priv->read(priv, reg);
+		if ((t & mask) == val)
+			return 0;
+
+		if (timeout-- <= 0)
+			break;
+
+		udelay(10);
+	}
+
+	pr_err("ar8216: timeout on reg %08x: %08x & %08x != %08x\n",
+	       (unsigned int) reg, t, mask, val);
+	return -ETIMEDOUT;
+}
+
+static void
+ar8216_vtu_op(struct ar8xxx_priv *priv, u32 op, u32 val)
+{
+	if (ar8216_wait_bit(priv, AR8216_REG_VTU, AR8216_VTU_ACTIVE, 0))
+		return;
+	if ((op & AR8216_VTU_OP) == AR8216_VTU_OP_LOAD) {
+		val &= AR8216_VTUDATA_MEMBER;
+		val |= AR8216_VTUDATA_VALID;
+		priv->write(priv, AR8216_REG_VTU_DATA, val);
+	}
+	op |= AR8216_VTU_ACTIVE;
+	priv->write(priv, AR8216_REG_VTU, op);
+}
+
+static void
+ar8216_vtu_flush(struct ar8xxx_priv *priv)
+{
+	ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
+}
+
+static void
+ar8216_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask)
+{
+	u32 op;
+
+	op = AR8216_VTU_OP_LOAD | (vid << AR8216_VTU_VID_S);
+	ar8216_vtu_op(priv, op, port_mask);
+}
+
+static int
+ar8216_atu_flush(struct ar8xxx_priv *priv)
+{
+	int ret;
+
+	ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0);
+	if (!ret)
+		priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH);
+
+	return ret;
+}
+
+static u32
+ar8216_read_port_status(struct ar8xxx_priv *priv, int port)
+{
+	return priv->read(priv, AR8216_REG_PORT_STATUS(port));
+}
+
+static void
+ar8216_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress,
+		  u32 members, u32 pvid)
+{
+	u32 header;
+
+	if (chip_is_ar8216(priv) && priv->vlan && port == AR8216_PORT_CPU)
+		header = AR8216_PORT_CTRL_HEADER;
+	else
+		header = 0;
+
+	ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
+		   AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
+		   AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
+		   AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK,
+		   AR8216_PORT_CTRL_LEARN | header |
+		   (egress << AR8216_PORT_CTRL_VLAN_MODE_S) |
+		   (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
+
+	ar8xxx_rmw(priv, AR8216_REG_PORT_VLAN(port),
+		   AR8216_PORT_VLAN_DEST_PORTS | AR8216_PORT_VLAN_MODE |
+		   AR8216_PORT_VLAN_DEFAULT_ID,
+		   (members << AR8216_PORT_VLAN_DEST_PORTS_S) |
+		   (ingress << AR8216_PORT_VLAN_MODE_S) |
+		   (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
+}
+
+static int
+ar8216_hw_init(struct ar8xxx_priv *priv)
+{
+	return 0;
+}
+
+static void
+ar8216_init_globals(struct ar8xxx_priv *priv)
+{
+	/* standard atheros magic */
+	priv->write(priv, 0x38, 0xc000050e);
+
+	ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+		   AR8216_GCTRL_MTU, 1518 + 8 + 2);
+}
+
+static void
+ar8216_init_port(struct ar8xxx_priv *priv, int port)
+{
+	/* Enable port learning and tx */
+	priv->write(priv, AR8216_REG_PORT_CTRL(port),
+		AR8216_PORT_CTRL_LEARN |
+		(4 << AR8216_PORT_CTRL_STATE_S));
+
+	priv->write(priv, AR8216_REG_PORT_VLAN(port), 0);
+
+	if (port == AR8216_PORT_CPU) {
+		priv->write(priv, AR8216_REG_PORT_STATUS(port),
+			AR8216_PORT_STATUS_LINK_UP |
+			(ar8xxx_has_gige(priv) ?
+                                AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) |
+			AR8216_PORT_STATUS_TXMAC |
+			AR8216_PORT_STATUS_RXMAC |
+			(chip_is_ar8316(priv) ? AR8216_PORT_STATUS_RXFLOW : 0) |
+			(chip_is_ar8316(priv) ? AR8216_PORT_STATUS_TXFLOW : 0) |
+			AR8216_PORT_STATUS_DUPLEX);
+	} else {
+		priv->write(priv, AR8216_REG_PORT_STATUS(port),
+			AR8216_PORT_STATUS_LINK_AUTO);
+	}
+}
+
+static const struct ar8xxx_chip ar8216_chip = {
+	.caps = AR8XXX_CAP_MIB_COUNTERS,
+
+	.hw_init = ar8216_hw_init,
+	.init_globals = ar8216_init_globals,
+	.init_port = ar8216_init_port,
+	.setup_port = ar8216_setup_port,
+	.read_port_status = ar8216_read_port_status,
+	.atu_flush = ar8216_atu_flush,
+	.vtu_flush = ar8216_vtu_flush,
+	.vtu_load_vlan = ar8216_vtu_load_vlan,
+
+	.num_mibs = ARRAY_SIZE(ar8216_mibs),
+	.mib_decs = ar8216_mibs,
+};
+
+static void
+ar8236_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress,
+		  u32 members, u32 pvid)
+{
+	ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
+		   AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
+		   AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
+		   AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK,
+		   AR8216_PORT_CTRL_LEARN |
+		   (egress << AR8216_PORT_CTRL_VLAN_MODE_S) |
+		   (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
+
+	ar8xxx_rmw(priv, AR8236_REG_PORT_VLAN(port),
+		   AR8236_PORT_VLAN_DEFAULT_ID,
+		   (pvid << AR8236_PORT_VLAN_DEFAULT_ID_S));
+
+	ar8xxx_rmw(priv, AR8236_REG_PORT_VLAN2(port),
+		   AR8236_PORT_VLAN2_VLAN_MODE |
+		   AR8236_PORT_VLAN2_MEMBER,
+		   (ingress << AR8236_PORT_VLAN2_VLAN_MODE_S) |
+		   (members << AR8236_PORT_VLAN2_MEMBER_S));
+}
+
+static int
+ar8236_hw_init(struct ar8xxx_priv *priv)
+{
+	int i;
+	struct mii_bus *bus;
+
+	if (priv->initialized)
+		return 0;
+
+	/* Initialize the PHYs */
+	bus = priv->mii_bus;
+	for (i = 0; i < 5; i++) {
+		mdiobus_write(bus, i, MII_ADVERTISE,
+			      ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
+			      ADVERTISE_PAUSE_ASYM);
+		mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
+	}
+	msleep(1000);
+
+	priv->initialized = true;
+	return 0;
+}
+
+static void
+ar8236_init_globals(struct ar8xxx_priv *priv)
+{
+	/* enable jumbo frames */
+	ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+		   AR8316_GCTRL_MTU, 9018 + 8 + 2);
+
+	/* Enable MIB counters */
+	ar8xxx_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN,
+		   (AR8216_MIB_FUNC_NO_OP << AR8216_MIB_FUNC_S) |
+		   AR8236_MIB_EN);
+}
+
+static const struct ar8xxx_chip ar8236_chip = {
+	.caps = AR8XXX_CAP_MIB_COUNTERS,
+	.hw_init = ar8236_hw_init,
+	.init_globals = ar8236_init_globals,
+	.init_port = ar8216_init_port,
+	.setup_port = ar8236_setup_port,
+	.read_port_status = ar8216_read_port_status,
+	.atu_flush = ar8216_atu_flush,
+	.vtu_flush = ar8216_vtu_flush,
+	.vtu_load_vlan = ar8216_vtu_load_vlan,
+
+	.num_mibs = ARRAY_SIZE(ar8236_mibs),
+	.mib_decs = ar8236_mibs,
+};
+
+static int
+ar8316_hw_init(struct ar8xxx_priv *priv)
+{
+	int i;
+	u32 val, newval;
+	struct mii_bus *bus;
+
+	val = priv->read(priv, AR8316_REG_POSTRIP);
+
+	if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
+		if (priv->port4_phy) {
+			/* value taken from Ubiquiti RouterStation Pro */
+			newval = 0x81461bea;
+			pr_info("ar8316: Using port 4 as PHY\n");
+		} else {
+			newval = 0x01261be2;
+			pr_info("ar8316: Using port 4 as switch port\n");
+		}
+	} else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) {
+		/* value taken from AVM Fritz!Box 7390 sources */
+		newval = 0x010e5b71;
+	} else {
+		/* no known value for phy interface */
+		pr_err("ar8316: unsupported mii mode: %d.\n",
+		       priv->phy->interface);
+		return -EINVAL;
+	}
+
+	if (val == newval)
+		goto out;
+
+	priv->write(priv, AR8316_REG_POSTRIP, newval);
+
+	if (priv->port4_phy &&
+	    priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
+		/* work around for phy4 rgmii mode */
+		ar8xxx_phy_dbg_write(priv, 4, 0x12, 0x480c);
+		/* rx delay */
+		ar8xxx_phy_dbg_write(priv, 4, 0x0, 0x824e);
+		/* tx delay */
+		ar8xxx_phy_dbg_write(priv, 4, 0x5, 0x3d47);
+		msleep(1000);
+	}
+
+	/* Initialize the ports */
+	bus = priv->mii_bus;
+	for (i = 0; i < 5; i++) {
+		/* initialize the port itself */
+		mdiobus_write(bus, i, MII_ADVERTISE,
+			ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
+		mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL);
+		mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
+	}
+
+	msleep(1000);
+
+out:
+	priv->initialized = true;
+	return 0;
+}
+
+static void
+ar8316_init_globals(struct ar8xxx_priv *priv)
+{
+	/* standard atheros magic */
+	priv->write(priv, 0x38, 0xc000050e);
+
+	/* enable cpu port to receive multicast and broadcast frames */
+	priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f);
+
+	/* enable jumbo frames */
+	ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+		   AR8316_GCTRL_MTU, 9018 + 8 + 2);
+
+	/* Enable MIB counters */
+	ar8xxx_rmw(priv, AR8216_REG_MIB_FUNC, AR8216_MIB_FUNC | AR8236_MIB_EN,
+		   (AR8216_MIB_FUNC_NO_OP << AR8216_MIB_FUNC_S) |
+		   AR8236_MIB_EN);
+}
+
+static const struct ar8xxx_chip ar8316_chip = {
+	.caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS,
+	.hw_init = ar8316_hw_init,
+	.init_globals = ar8316_init_globals,
+	.init_port = ar8216_init_port,
+	.setup_port = ar8216_setup_port,
+	.read_port_status = ar8216_read_port_status,
+	.atu_flush = ar8216_atu_flush,
+	.vtu_flush = ar8216_vtu_flush,
+	.vtu_load_vlan = ar8216_vtu_load_vlan,
+
+	.num_mibs = ARRAY_SIZE(ar8236_mibs),
+	.mib_decs = ar8236_mibs,
+};
+
+static u32
+ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg)
+{
+	u32 t;
+
+	if (!cfg)
+		return 0;
+
+	t = 0;
+	switch (cfg->mode) {
+	case AR8327_PAD_NC:
+		break;
+
+	case AR8327_PAD_MAC2MAC_MII:
+		t = AR8327_PAD_MAC_MII_EN;
+		if (cfg->rxclk_sel)
+			t |= AR8327_PAD_MAC_MII_RXCLK_SEL;
+		if (cfg->txclk_sel)
+			t |= AR8327_PAD_MAC_MII_TXCLK_SEL;
+		break;
+
+	case AR8327_PAD_MAC2MAC_GMII:
+		t = AR8327_PAD_MAC_GMII_EN;
+		if (cfg->rxclk_sel)
+			t |= AR8327_PAD_MAC_GMII_RXCLK_SEL;
+		if (cfg->txclk_sel)
+			t |= AR8327_PAD_MAC_GMII_TXCLK_SEL;
+		break;
+
+	case AR8327_PAD_MAC_SGMII:
+		t = AR8327_PAD_SGMII_EN;
+
+		/*
+		 * WAR for the QUalcomm Atheros AP136 board.
+		 * It seems that RGMII TX/RX delay settings needs to be
+		 * applied for SGMII mode as well, The ethernet is not
+		 * reliable without this.
+		 */
+		t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S;
+		t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S;
+		if (cfg->rxclk_delay_en)
+			t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN;
+		if (cfg->txclk_delay_en)
+			t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN;
+
+		if (cfg->sgmii_delay_en)
+			t |= AR8327_PAD_SGMII_DELAY_EN;
+
+		break;
+
+	case AR8327_PAD_MAC2PHY_MII:
+		t = AR8327_PAD_PHY_MII_EN;
+		if (cfg->rxclk_sel)
+			t |= AR8327_PAD_PHY_MII_RXCLK_SEL;
+		if (cfg->txclk_sel)
+			t |= AR8327_PAD_PHY_MII_TXCLK_SEL;
+		break;
+
+	case AR8327_PAD_MAC2PHY_GMII:
+		t = AR8327_PAD_PHY_GMII_EN;
+		if (cfg->pipe_rxclk_sel)
+			t |= AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL;
+		if (cfg->rxclk_sel)
+			t |= AR8327_PAD_PHY_GMII_RXCLK_SEL;
+		if (cfg->txclk_sel)
+			t |= AR8327_PAD_PHY_GMII_TXCLK_SEL;
+		break;
+
+	case AR8327_PAD_MAC_RGMII:
+		t = AR8327_PAD_RGMII_EN;
+		t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S;
+		t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S;
+		if (cfg->rxclk_delay_en)
+			t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN;
+		if (cfg->txclk_delay_en)
+			t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN;
+		break;
+
+	case AR8327_PAD_PHY_GMII:
+		t = AR8327_PAD_PHYX_GMII_EN;
+		break;
+
+	case AR8327_PAD_PHY_RGMII:
+		t = AR8327_PAD_PHYX_RGMII_EN;
+		break;
+
+	case AR8327_PAD_PHY_MII:
+		t = AR8327_PAD_PHYX_MII_EN;
+		break;
+	}
+
+	return t;
+}
+
+static void
+ar8327_phy_fixup(struct ar8xxx_priv *priv, int phy)
+{
+	switch (priv->chip_rev) {
+	case 1:
+		/* For 100M waveform */
+		ar8xxx_phy_dbg_write(priv, phy, 0, 0x02ea);
+		/* Turn on Gigabit clock */
+		ar8xxx_phy_dbg_write(priv, phy, 0x3d, 0x68a0);
+		break;
+
+	case 2:
+		ar8xxx_phy_mmd_write(priv, phy, 0x7, 0x3c);
+		ar8xxx_phy_mmd_write(priv, phy, 0x4007, 0x0);
+		/* fallthrough */
+	case 4:
+		ar8xxx_phy_mmd_write(priv, phy, 0x3, 0x800d);
+		ar8xxx_phy_mmd_write(priv, phy, 0x4003, 0x803f);
+
+		ar8xxx_phy_dbg_write(priv, phy, 0x3d, 0x6860);
+		ar8xxx_phy_dbg_write(priv, phy, 0x5, 0x2c46);
+		ar8xxx_phy_dbg_write(priv, phy, 0x3c, 0x6000);
+		break;
+	}
+}
+
+static u32
+ar8327_get_port_init_status(struct ar8327_port_cfg *cfg)
+{
+	u32 t;
+
+	if (!cfg->force_link)
+		return AR8216_PORT_STATUS_LINK_AUTO;
+
+	t = AR8216_PORT_STATUS_TXMAC | AR8216_PORT_STATUS_RXMAC;
+	t |= cfg->duplex ? AR8216_PORT_STATUS_DUPLEX : 0;
+	t |= cfg->rxpause ? AR8216_PORT_STATUS_RXFLOW : 0;
+	t |= cfg->txpause ? AR8216_PORT_STATUS_TXFLOW : 0;
+
+	switch (cfg->speed) {
+	case AR8327_PORT_SPEED_10:
+		t |= AR8216_PORT_SPEED_10M;
+		break;
+	case AR8327_PORT_SPEED_100:
+		t |= AR8216_PORT_SPEED_100M;
+		break;
+	case AR8327_PORT_SPEED_1000:
+		t |= AR8216_PORT_SPEED_1000M;
+		break;
+	}
+
+	return t;
+}
+
+#define AR8327_LED_ENTRY(_num, _reg, _shift) \
+	[_num] = { .reg = (_reg), .shift = (_shift) }
+
+static const struct ar8327_led_entry
+ar8327_led_map[AR8327_NUM_LEDS] = {
+	AR8327_LED_ENTRY(AR8327_LED_PHY0_0, 0, 14),
+	AR8327_LED_ENTRY(AR8327_LED_PHY0_1, 1, 14),
+	AR8327_LED_ENTRY(AR8327_LED_PHY0_2, 2, 14),
+
+	AR8327_LED_ENTRY(AR8327_LED_PHY1_0, 3, 8),
+	AR8327_LED_ENTRY(AR8327_LED_PHY1_1, 3, 10),
+	AR8327_LED_ENTRY(AR8327_LED_PHY1_2, 3, 12),
+
+	AR8327_LED_ENTRY(AR8327_LED_PHY2_0, 3, 14),
+	AR8327_LED_ENTRY(AR8327_LED_PHY2_1, 3, 16),
+	AR8327_LED_ENTRY(AR8327_LED_PHY2_2, 3, 18),
+
+	AR8327_LED_ENTRY(AR8327_LED_PHY3_0, 3, 20),
+	AR8327_LED_ENTRY(AR8327_LED_PHY3_1, 3, 22),
+	AR8327_LED_ENTRY(AR8327_LED_PHY3_2, 3, 24),
+
+	AR8327_LED_ENTRY(AR8327_LED_PHY4_0, 0, 30),
+	AR8327_LED_ENTRY(AR8327_LED_PHY4_1, 1, 30),
+	AR8327_LED_ENTRY(AR8327_LED_PHY4_2, 2, 30),
+};
+
+static void
+ar8327_set_led_pattern(struct ar8xxx_priv *priv, unsigned int led_num,
+		       enum ar8327_led_pattern pattern)
+{
+	const struct ar8327_led_entry *entry;
+
+	entry = &ar8327_led_map[led_num];
+	ar8xxx_rmw(priv, AR8327_REG_LED_CTRL(entry->reg),
+		   (3 << entry->shift), pattern << entry->shift);
+}
+
+static void
+ar8327_led_work_func(struct work_struct *work)
+{
+	struct ar8327_led *aled;
+	u8 pattern;
+
+	aled = container_of(work, struct ar8327_led, led_work);
+
+	spin_lock(&aled->lock);
+	pattern = aled->pattern;
+	spin_unlock(&aled->lock);
+
+	ar8327_set_led_pattern(aled->sw_priv, aled->led_num,
+			       pattern);
+}
+
+static void
+ar8327_led_schedule_change(struct ar8327_led *aled, u8 pattern)
+{
+	if (aled->pattern == pattern)
+		return;
+
+	aled->pattern = pattern;
+	schedule_work(&aled->led_work);
+}
+
+static inline struct ar8327_led *
+led_cdev_to_ar8327_led(struct led_classdev *led_cdev)
+{
+	return container_of(led_cdev, struct ar8327_led, cdev);
+}
+
+static int
+ar8327_led_blink_set(struct led_classdev *led_cdev,
+		     unsigned long *delay_on,
+		     unsigned long *delay_off)
+{
+	struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev);
+
+	if (*delay_on == 0 && *delay_off == 0) {
+		*delay_on = 125;
+		*delay_off = 125;
+	}
+
+	if (*delay_on != 125 || *delay_off != 125) {
+		/*
+		 * The hardware only supports blinking at 4Hz. Fall back
+		 * to software implementation in other cases.
+		 */
+		return -EINVAL;
+	}
+
+	spin_lock(&aled->lock);
+
+	aled->enable_hw_mode = false;
+	ar8327_led_schedule_change(aled, AR8327_LED_PATTERN_BLINK);
+
+	spin_unlock(&aled->lock);
+
+	return 0;
+}
+
+static void
+ar8327_led_set_brightness(struct led_classdev *led_cdev,
+			  enum led_brightness brightness)
+{
+	struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev);
+	u8 pattern;
+	bool active;
+
+	active = (brightness != LED_OFF);
+	active ^= aled->active_low;
+
+	pattern = (active) ? AR8327_LED_PATTERN_ON :
+			     AR8327_LED_PATTERN_OFF;
+
+	spin_lock(&aled->lock);
+
+	aled->enable_hw_mode = false;
+	ar8327_led_schedule_change(aled, pattern);
+
+	spin_unlock(&aled->lock);
+}
+
+static ssize_t
+ar8327_led_enable_hw_mode_show(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
+{
+	struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev);
+	ssize_t ret = 0;
+
+	spin_lock(&aled->lock);
+	ret += sprintf(buf, "%d\n", aled->enable_hw_mode);
+	spin_unlock(&aled->lock);
+
+	return ret;
+}
+
+static ssize_t
+ar8327_led_enable_hw_mode_store(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf,
+				size_t size)
+{
+        struct led_classdev *led_cdev = dev_get_drvdata(dev);
+	struct ar8327_led *aled = led_cdev_to_ar8327_led(led_cdev);
+	u8 pattern;
+	u8 value;
+	int ret;
+
+	ret = kstrtou8(buf, 10, &value);
+	if (ret < 0)
+		return -EINVAL;
+
+	spin_lock(&aled->lock);
+
+	aled->enable_hw_mode = !!value;
+	if (aled->enable_hw_mode)
+		pattern = AR8327_LED_PATTERN_RULE;
+	else
+		pattern = AR8327_LED_PATTERN_OFF;
+
+	ar8327_led_schedule_change(aled, pattern);
+
+	spin_unlock(&aled->lock);
+
+	return size;
+}
+
+static DEVICE_ATTR(enable_hw_mode,  S_IRUGO | S_IWUSR,
+		   ar8327_led_enable_hw_mode_show,
+		   ar8327_led_enable_hw_mode_store);
+
+static int
+ar8327_led_register(struct ar8xxx_priv *priv, struct ar8327_led *aled)
+{
+	int ret;
+
+	ret = led_classdev_register(NULL, &aled->cdev);
+	if (ret < 0)
+		return ret;
+
+	if (aled->mode == AR8327_LED_MODE_HW) {
+		ret = device_create_file(aled->cdev.dev,
+					 &dev_attr_enable_hw_mode);
+		if (ret)
+			goto err_unregister;
+	}
+
+	return 0;
+
+err_unregister:
+	led_classdev_unregister(&aled->cdev);
+	return ret;
+}
+
+static void
+ar8327_led_unregister(struct ar8327_led *aled)
+{
+	if (aled->mode == AR8327_LED_MODE_HW)
+		device_remove_file(aled->cdev.dev, &dev_attr_enable_hw_mode);
+
+	led_classdev_unregister(&aled->cdev);
+	cancel_work_sync(&aled->led_work);
+}
+
+static int
+ar8327_led_create(struct ar8xxx_priv *priv,
+		  const struct ar8327_led_info *led_info)
+{
+	struct ar8327_data *data = &priv->chip_data.ar8327;
+	struct ar8327_led *aled;
+	int ret;
+
+	if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS))
+		return 0;
+
+	if (!led_info->name)
+		return -EINVAL;
+
+	if (led_info->led_num >= AR8327_NUM_LEDS)
+		return -EINVAL;
+
+	aled = kzalloc(sizeof(*aled) + strlen(led_info->name) + 1,
+		       GFP_KERNEL);
+	if (!aled)
+		return -ENOMEM;
+
+	aled->sw_priv = priv;
+	aled->led_num = led_info->led_num;
+	aled->active_low = led_info->active_low;
+	aled->mode = led_info->mode;
+
+	if (aled->mode == AR8327_LED_MODE_HW)
+		aled->enable_hw_mode = true;
+
+	aled->name = (char *)(aled + 1);
+	strcpy(aled->name, led_info->name);
+
+	aled->cdev.name = aled->name;
+	aled->cdev.brightness_set = ar8327_led_set_brightness;
+	aled->cdev.blink_set = ar8327_led_blink_set;
+	aled->cdev.default_trigger = led_info->default_trigger;
+
+	spin_lock_init(&aled->lock);
+	mutex_init(&aled->mutex);
+	INIT_WORK(&aled->led_work, ar8327_led_work_func);
+
+	ret = ar8327_led_register(priv, aled);
+	if (ret)
+		goto err_free;
+
+	data->leds[data->num_leds++] = aled;
+
+	return 0;
+
+err_free:
+	kfree(aled);
+	return ret;
+}
+
+static void
+ar8327_led_destroy(struct ar8327_led *aled)
+{
+	ar8327_led_unregister(aled);
+	kfree(aled);
+}
+
+static void
+ar8327_leds_init(struct ar8xxx_priv *priv)
+{
+	struct ar8327_data *data;
+	unsigned i;
+
+	if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS))
+		return;
+
+	data = &priv->chip_data.ar8327;
+
+	for (i = 0; i < data->num_leds; i++) {
+		struct ar8327_led *aled;
+
+		aled = data->leds[i];
+
+		if (aled->enable_hw_mode)
+			aled->pattern = AR8327_LED_PATTERN_RULE;
+		else
+			aled->pattern = AR8327_LED_PATTERN_OFF;
+
+		ar8327_set_led_pattern(priv, aled->led_num, aled->pattern);
+	}
+}
+
+static void
+ar8327_leds_cleanup(struct ar8xxx_priv *priv)
+{
+	struct ar8327_data *data = &priv->chip_data.ar8327;
+	unsigned i;
+
+	if (!IS_ENABLED(CONFIG_AR8216_PHY_LEDS))
+		return;
+
+	for (i = 0; i < data->num_leds; i++) {
+		struct ar8327_led *aled;
+
+		aled = data->leds[i];
+		ar8327_led_destroy(aled);
+	}
+
+	kfree(data->leds);
+}
+
+static int
+ar8327_hw_config_pdata(struct ar8xxx_priv *priv,
+		       struct ar8327_platform_data *pdata)
+{
+	struct ar8327_led_cfg *led_cfg;
+	struct ar8327_data *data;
+	u32 pos, new_pos;
+	u32 t;
+
+	if (!pdata)
+		return -EINVAL;
+
+	priv->get_port_link = pdata->get_port_link;
+
+	data = &priv->chip_data.ar8327;
+
+	data->port0_status = ar8327_get_port_init_status(&pdata->port0_cfg);
+	data->port6_status = ar8327_get_port_init_status(&pdata->port6_cfg);
+
+	t = ar8327_get_pad_cfg(pdata->pad0_cfg);
+	if (chip_is_ar8337(priv))
+		t |= AR8337_PAD_MAC06_EXCHANGE_EN;
+
+	priv->write(priv, AR8327_REG_PAD0_MODE, t);
+	t = ar8327_get_pad_cfg(pdata->pad5_cfg);
+	priv->write(priv, AR8327_REG_PAD5_MODE, t);
+	t = ar8327_get_pad_cfg(pdata->pad6_cfg);
+	priv->write(priv, AR8327_REG_PAD6_MODE, t);
+
+	pos = priv->read(priv, AR8327_REG_POWER_ON_STRIP);
+	new_pos = pos;
+
+	led_cfg = pdata->led_cfg;
+	if (led_cfg) {
+		if (led_cfg->open_drain)
+			new_pos |= AR8327_POWER_ON_STRIP_LED_OPEN_EN;
+		else
+			new_pos &= ~AR8327_POWER_ON_STRIP_LED_OPEN_EN;
+
+		priv->write(priv, AR8327_REG_LED_CTRL0, led_cfg->led_ctrl0);
+		priv->write(priv, AR8327_REG_LED_CTRL1, led_cfg->led_ctrl1);
+		priv->write(priv, AR8327_REG_LED_CTRL2, led_cfg->led_ctrl2);
+		priv->write(priv, AR8327_REG_LED_CTRL3, led_cfg->led_ctrl3);
+
+		if (new_pos != pos)
+			new_pos |= AR8327_POWER_ON_STRIP_POWER_ON_SEL;
+	}
+
+	if (pdata->sgmii_cfg) {
+		t = pdata->sgmii_cfg->sgmii_ctrl;
+		if (priv->chip_rev == 1)
+			t |= AR8327_SGMII_CTRL_EN_PLL |
+			     AR8327_SGMII_CTRL_EN_RX |
+			     AR8327_SGMII_CTRL_EN_TX;
+		else
+			t &= ~(AR8327_SGMII_CTRL_EN_PLL |
+			       AR8327_SGMII_CTRL_EN_RX |
+			       AR8327_SGMII_CTRL_EN_TX);
+
+		priv->write(priv, AR8327_REG_SGMII_CTRL, t);
+
+		if (pdata->sgmii_cfg->serdes_aen)
+			new_pos &= ~AR8327_POWER_ON_STRIP_SERDES_AEN;
+		else
+			new_pos |= AR8327_POWER_ON_STRIP_SERDES_AEN;
+	}
+
+	priv->write(priv, AR8327_REG_POWER_ON_STRIP, new_pos);
+
+	if (pdata->leds && pdata->num_leds) {
+		int i;
+
+		data->leds = kzalloc(pdata->num_leds * sizeof(void *),
+				     GFP_KERNEL);
+		if (!data->leds)
+			return -ENOMEM;
+
+		for (i = 0; i < pdata->num_leds; i++)
+			ar8327_led_create(priv, &pdata->leds[i]);
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_OF
+static int
+ar8327_hw_config_of(struct ar8xxx_priv *priv, struct device_node *np)
+{
+	const __be32 *paddr;
+	int len;
+	int i;
+
+	paddr = of_get_property(np, "qca,ar8327-initvals", &len);
+	if (!paddr || len < (2 * sizeof(*paddr)))
+		return -EINVAL;
+
+	len /= sizeof(*paddr);
+
+	for (i = 0; i < len - 1; i += 2) {
+		u32 reg;
+		u32 val;
+
+		reg = be32_to_cpup(paddr + i);
+		val = be32_to_cpup(paddr + i + 1);
+
+		switch (reg) {
+		case AR8327_REG_PORT_STATUS(0):
+			priv->chip_data.ar8327.port0_status = val;
+			break;
+		case AR8327_REG_PORT_STATUS(6):
+			priv->chip_data.ar8327.port6_status = val;
+			break;
+		default:
+			priv->write(priv, reg, val);
+			break;
+		}
+	}
+
+	return 0;
+}
+#else
+static inline int
+ar8327_hw_config_of(struct ar8xxx_priv *priv, struct device_node *np)
+{
+	return -EINVAL;
+}
+#endif
+
+static int
+ar8327_hw_init(struct ar8xxx_priv *priv)
+{
+	struct mii_bus *bus;
+	int ret;
+	int i;
+
+	if (priv->phy->dev.of_node)
+		ret = ar8327_hw_config_of(priv, priv->phy->dev.of_node);
+	else
+		ret = ar8327_hw_config_pdata(priv,
+					     priv->phy->dev.platform_data);
+
+	if (ret)
+		return ret;
+
+	ar8327_leds_init(priv);
+
+	bus = priv->mii_bus;
+	for (i = 0; i < AR8327_NUM_PHYS; i++) {
+		ar8327_phy_fixup(priv, i);
+
+		/* start aneg on the PHY */
+		mdiobus_write(bus, i, MII_ADVERTISE, ADVERTISE_ALL |
+						     ADVERTISE_PAUSE_CAP |
+						     ADVERTISE_PAUSE_ASYM);
+		mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL);
+		mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
+	}
+
+	msleep(1000);
+
+	return 0;
+}
+
+static void
+ar8327_cleanup(struct ar8xxx_priv *priv)
+{
+	ar8327_leds_cleanup(priv);
+}
+
+static void
+ar8327_init_globals(struct ar8xxx_priv *priv)
+{
+	u32 t;
+
+	/* enable CPU port and disable mirror port */
+	t = AR8327_FWD_CTRL0_CPU_PORT_EN |
+	    AR8327_FWD_CTRL0_MIRROR_PORT;
+	priv->write(priv, AR8327_REG_FWD_CTRL0, t);
+
+	/* forward multicast and broadcast frames to CPU */
+	t = (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_UC_FLOOD_S) |
+	    (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_MC_FLOOD_S) |
+	    (AR8327_PORTS_ALL << AR8327_FWD_CTRL1_BC_FLOOD_S);
+	priv->write(priv, AR8327_REG_FWD_CTRL1, t);
+
+	/* enable jumbo frames */
+	ar8xxx_rmw(priv, AR8327_REG_MAX_FRAME_SIZE,
+		   AR8327_MAX_FRAME_SIZE_MTU, 9018 + 8 + 2);
+
+	/* Enable MIB counters */
+	ar8xxx_reg_set(priv, AR8327_REG_MODULE_EN,
+		       AR8327_MODULE_EN_MIB);
+}
+
+static void
+ar8327_init_port(struct ar8xxx_priv *priv, int port)
+{
+	u32 t;
+
+	if (port == AR8216_PORT_CPU)
+		t = priv->chip_data.ar8327.port0_status;
+	else if (port == 6)
+		t = priv->chip_data.ar8327.port6_status;
+	else
+		t = AR8216_PORT_STATUS_LINK_AUTO;
+
+	priv->write(priv, AR8327_REG_PORT_STATUS(port), t);
+	priv->write(priv, AR8327_REG_PORT_HEADER(port), 0);
+
+	t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S;
+	t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S;
+	priv->write(priv, AR8327_REG_PORT_VLAN0(port), t);
+
+	t = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH << AR8327_PORT_VLAN1_OUT_MODE_S;
+	priv->write(priv, AR8327_REG_PORT_VLAN1(port), t);
+
+	t = AR8327_PORT_LOOKUP_LEARN;
+	t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S;
+	priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t);
+}
+
+static u32
+ar8327_read_port_status(struct ar8xxx_priv *priv, int port)
+{
+	return priv->read(priv, AR8327_REG_PORT_STATUS(port));
+}
+
+static int
+ar8327_atu_flush(struct ar8xxx_priv *priv)
+{
+	int ret;
+
+	ret = ar8216_wait_bit(priv, AR8327_REG_ATU_FUNC,
+			      AR8327_ATU_FUNC_BUSY, 0);
+	if (!ret)
+		priv->write(priv, AR8327_REG_ATU_FUNC,
+			    AR8327_ATU_FUNC_OP_FLUSH);
+
+	return ret;
+}
+
+static void
+ar8327_vtu_op(struct ar8xxx_priv *priv, u32 op, u32 val)
+{
+	if (ar8216_wait_bit(priv, AR8327_REG_VTU_FUNC1,
+			    AR8327_VTU_FUNC1_BUSY, 0))
+		return;
+
+	if ((op & AR8327_VTU_FUNC1_OP) == AR8327_VTU_FUNC1_OP_LOAD)
+		priv->write(priv, AR8327_REG_VTU_FUNC0, val);
+
+	op |= AR8327_VTU_FUNC1_BUSY;
+	priv->write(priv, AR8327_REG_VTU_FUNC1, op);
+}
+
+static void
+ar8327_vtu_flush(struct ar8xxx_priv *priv)
+{
+	ar8327_vtu_op(priv, AR8327_VTU_FUNC1_OP_FLUSH, 0);
+}
+
+static void
+ar8327_vtu_load_vlan(struct ar8xxx_priv *priv, u32 vid, u32 port_mask)
+{
+	u32 op;
+	u32 val;
+	int i;
+
+	op = AR8327_VTU_FUNC1_OP_LOAD | (vid << AR8327_VTU_FUNC1_VID_S);
+	val = AR8327_VTU_FUNC0_VALID | AR8327_VTU_FUNC0_IVL;
+	for (i = 0; i < AR8327_NUM_PORTS; i++) {
+		u32 mode;
+
+		if ((port_mask & BIT(i)) == 0)
+			mode = AR8327_VTU_FUNC0_EG_MODE_NOT;
+		else if (priv->vlan == 0)
+			mode = AR8327_VTU_FUNC0_EG_MODE_KEEP;
+		else if (priv->vlan_tagged & BIT(i))
+			mode = AR8327_VTU_FUNC0_EG_MODE_TAG;
+		else
+			mode = AR8327_VTU_FUNC0_EG_MODE_UNTAG;
+
+		val |= mode << AR8327_VTU_FUNC0_EG_MODE_S(i);
+	}
+	ar8327_vtu_op(priv, op, val);
+}
+
+static void
+ar8327_setup_port(struct ar8xxx_priv *priv, int port, u32 egress, u32 ingress,
+		  u32 members, u32 pvid)
+{
+	u32 t;
+	u32 mode;
+
+	t = pvid << AR8327_PORT_VLAN0_DEF_SVID_S;
+	t |= pvid << AR8327_PORT_VLAN0_DEF_CVID_S;
+	priv->write(priv, AR8327_REG_PORT_VLAN0(port), t);
+
+	mode = AR8327_PORT_VLAN1_OUT_MODE_UNMOD;
+	switch (egress) {
+	case AR8216_OUT_KEEP:
+		mode = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
+		break;
+	case AR8216_OUT_STRIP_VLAN:
+		mode = AR8327_PORT_VLAN1_OUT_MODE_UNTAG;
+		break;
+	case AR8216_OUT_ADD_VLAN:
+		mode = AR8327_PORT_VLAN1_OUT_MODE_TAG;
+		break;
+	}
+
+	t = AR8327_PORT_VLAN1_PORT_VLAN_PROP;
+	t |= mode << AR8327_PORT_VLAN1_OUT_MODE_S;
+	priv->write(priv, AR8327_REG_PORT_VLAN1(port), t);
+
+	t = members;
+	t |= AR8327_PORT_LOOKUP_LEARN;
+	t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S;
+	t |= AR8216_PORT_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S;
+	priv->write(priv, AR8327_REG_PORT_LOOKUP(port), t);
+}
+
+static const struct ar8xxx_chip ar8327_chip = {
+	.caps = AR8XXX_CAP_GIGE | AR8XXX_CAP_MIB_COUNTERS,
+	.hw_init = ar8327_hw_init,
+	.cleanup = ar8327_cleanup,
+	.init_globals = ar8327_init_globals,
+	.init_port = ar8327_init_port,
+	.setup_port = ar8327_setup_port,
+	.read_port_status = ar8327_read_port_status,
+	.atu_flush = ar8327_atu_flush,
+	.vtu_flush = ar8327_vtu_flush,
+	.vtu_load_vlan = ar8327_vtu_load_vlan,
+
+	.num_mibs = ARRAY_SIZE(ar8236_mibs),
+	.mib_decs = ar8236_mibs,
+};
+
+static int
+ar8xxx_sw_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
+		   struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	priv->vlan = !!val->value.i;
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
+		   struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	val->value.i = priv->vlan;
+	return 0;
+}
+
+
+static int
+ar8xxx_sw_set_pvid(struct switch_dev *dev, int port, int vlan)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+	/* make sure no invalid PVIDs get set */
+
+	if (vlan >= dev->vlans)
+		return -EINVAL;
+
+	priv->pvid[port] = vlan;
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_pvid(struct switch_dev *dev, int port, int *vlan)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	*vlan = priv->pvid[port];
+	return 0;
+}
+
+static int
+ar8xxx_sw_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		  struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	priv->vlan_id[val->port_vlan] = val->value.i;
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+		  struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	val->value.i = priv->vlan_id[val->port_vlan];
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_port_link(struct switch_dev *dev, int port,
+			struct switch_port_link *link)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+	ar8216_read_port_link(priv, port, link);
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	u8 ports = priv->vlan_table[val->port_vlan];
+	int i;
+
+	val->len = 0;
+	for (i = 0; i < dev->ports; i++) {
+		struct switch_port *p;
+
+		if (!(ports & (1 << i)))
+			continue;
+
+		p = &val->value.ports[val->len++];
+		p->id = i;
+		if (priv->vlan_tagged & (1 << i))
+			p->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
+		else
+			p->flags = 0;
+	}
+	return 0;
+}
+
+static int
+ar8xxx_sw_set_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	u8 *vt = &priv->vlan_table[val->port_vlan];
+	int i, j;
+
+	*vt = 0;
+	for (i = 0; i < val->len; i++) {
+		struct switch_port *p = &val->value.ports[i];
+
+		if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED)) {
+			priv->vlan_tagged |= (1 << p->id);
+		} else {
+			priv->vlan_tagged &= ~(1 << p->id);
+			priv->pvid[p->id] = val->port_vlan;
+
+			/* make sure that an untagged port does not
+			 * appear in other vlans */
+			for (j = 0; j < AR8X16_MAX_VLANS; j++) {
+				if (j == val->port_vlan)
+					continue;
+				priv->vlan_table[j] &= ~(1 << p->id);
+			}
+		}
+
+		*vt |= 1 << p->id;
+	}
+	return 0;
+}
+
+static void
+ar8327_set_mirror_regs(struct ar8xxx_priv *priv)
+{
+	int port;
+
+	/* reset all mirror registers */
+	ar8xxx_rmw(priv, AR8327_REG_FWD_CTRL0,
+		   AR8327_FWD_CTRL0_MIRROR_PORT,
+		   (0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S));
+	for (port = 0; port < AR8327_NUM_PORTS; port++) {
+		ar8xxx_rmw(priv, AR8327_REG_PORT_LOOKUP(port),
+			   AR8327_PORT_LOOKUP_ING_MIRROR_EN,
+			   0);
+
+		ar8xxx_rmw(priv, AR8327_REG_PORT_HOL_CTRL1(port),
+			   AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN,
+			   0);
+	}
+
+	/* now enable mirroring if necessary */
+	if (priv->source_port >= AR8327_NUM_PORTS ||
+	    priv->monitor_port >= AR8327_NUM_PORTS ||
+	    priv->source_port == priv->monitor_port) {
+		return;
+	}
+
+	ar8xxx_rmw(priv, AR8327_REG_FWD_CTRL0,
+		   AR8327_FWD_CTRL0_MIRROR_PORT,
+		   (priv->monitor_port << AR8327_FWD_CTRL0_MIRROR_PORT_S));
+
+	if (priv->mirror_rx)
+		ar8xxx_rmw(priv, AR8327_REG_PORT_LOOKUP(priv->source_port),
+			   AR8327_PORT_LOOKUP_ING_MIRROR_EN,
+			   AR8327_PORT_LOOKUP_ING_MIRROR_EN);
+
+	if (priv->mirror_tx)
+		ar8xxx_rmw(priv, AR8327_REG_PORT_HOL_CTRL1(priv->source_port),
+			   AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN,
+			   AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN);
+}
+
+static void
+ar8216_set_mirror_regs(struct ar8xxx_priv *priv)
+{
+	int port;
+
+	/* reset all mirror registers */
+	ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CPUPORT,
+		   AR8216_GLOBAL_CPUPORT_MIRROR_PORT,
+		   (0xF << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S));
+	for (port = 0; port < AR8216_NUM_PORTS; port++) {
+		ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
+			   AR8216_PORT_CTRL_MIRROR_RX,
+			   0);
+
+		ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(port),
+			   AR8216_PORT_CTRL_MIRROR_TX,
+			   0);
+	}
+
+	/* now enable mirroring if necessary */
+	if (priv->source_port >= AR8216_NUM_PORTS ||
+	    priv->monitor_port >= AR8216_NUM_PORTS ||
+	    priv->source_port == priv->monitor_port) {
+		return;
+	}
+
+	ar8xxx_rmw(priv, AR8216_REG_GLOBAL_CPUPORT,
+		   AR8216_GLOBAL_CPUPORT_MIRROR_PORT,
+		   (priv->monitor_port << AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S));
+
+	if (priv->mirror_rx)
+		ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(priv->source_port),
+			   AR8216_PORT_CTRL_MIRROR_RX,
+			   AR8216_PORT_CTRL_MIRROR_RX);
+
+	if (priv->mirror_tx)
+		ar8xxx_rmw(priv, AR8216_REG_PORT_CTRL(priv->source_port),
+			   AR8216_PORT_CTRL_MIRROR_TX,
+			   AR8216_PORT_CTRL_MIRROR_TX);
+}
+
+static void
+ar8xxx_set_mirror_regs(struct ar8xxx_priv *priv)
+{
+	if (chip_is_ar8327(priv) || chip_is_ar8337(priv)) {
+		ar8327_set_mirror_regs(priv);
+	} else {
+		ar8216_set_mirror_regs(priv);
+	}
+}
+
+static int
+ar8xxx_sw_hw_apply(struct switch_dev *dev)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	u8 portmask[AR8X16_MAX_PORTS];
+	int i, j;
+
+	mutex_lock(&priv->reg_mutex);
+	/* flush all vlan translation unit entries */
+	priv->chip->vtu_flush(priv);
+
+	memset(portmask, 0, sizeof(portmask));
+	if (!priv->init) {
+		/* calculate the port destination masks and load vlans
+		 * into the vlan translation unit */
+		for (j = 0; j < AR8X16_MAX_VLANS; j++) {
+			u8 vp = priv->vlan_table[j];
+
+			if (!vp)
+				continue;
+
+			for (i = 0; i < dev->ports; i++) {
+				u8 mask = (1 << i);
+				if (vp & mask)
+					portmask[i] |= vp & ~mask;
+			}
+
+			priv->chip->vtu_load_vlan(priv, priv->vlan_id[j],
+						 priv->vlan_table[j]);
+		}
+	} else {
+		/* vlan disabled:
+		 * isolate all ports, but connect them to the cpu port */
+		for (i = 0; i < dev->ports; i++) {
+			if (i == AR8216_PORT_CPU)
+				continue;
+
+			portmask[i] = 1 << AR8216_PORT_CPU;
+			portmask[AR8216_PORT_CPU] |= (1 << i);
+		}
+	}
+
+	/* update the port destination mask registers and tag settings */
+	for (i = 0; i < dev->ports; i++) {
+		int egress, ingress;
+		int pvid;
+
+		if (priv->vlan) {
+			pvid = priv->vlan_id[priv->pvid[i]];
+			if (priv->vlan_tagged & (1 << i))
+				egress = AR8216_OUT_ADD_VLAN;
+			else
+				egress = AR8216_OUT_STRIP_VLAN;
+			ingress = AR8216_IN_SECURE;
+		} else {
+			pvid = i;
+			egress = AR8216_OUT_KEEP;
+			ingress = AR8216_IN_PORT_ONLY;
+		}
+
+		priv->chip->setup_port(priv, i, egress, ingress, portmask[i],
+				       pvid);
+	}
+
+	ar8xxx_set_mirror_regs(priv);
+
+	mutex_unlock(&priv->reg_mutex);
+	return 0;
+}
+
+static int
+ar8xxx_sw_reset_switch(struct switch_dev *dev)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	int i;
+
+	mutex_lock(&priv->reg_mutex);
+	memset(&priv->vlan, 0, sizeof(struct ar8xxx_priv) -
+		offsetof(struct ar8xxx_priv, vlan));
+
+	for (i = 0; i < AR8X16_MAX_VLANS; i++)
+		priv->vlan_id[i] = i;
+
+	/* Configure all ports */
+	for (i = 0; i < dev->ports; i++)
+		priv->chip->init_port(priv, i);
+
+	priv->mirror_rx = false;
+	priv->mirror_tx = false;
+	priv->source_port = 0;
+	priv->monitor_port = 0;
+
+	priv->chip->init_globals(priv);
+
+	mutex_unlock(&priv->reg_mutex);
+
+	return ar8xxx_sw_hw_apply(dev);
+}
+
+static int
+ar8xxx_sw_set_reset_mibs(struct switch_dev *dev,
+			 const struct switch_attr *attr,
+			 struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	unsigned int len;
+	int ret;
+
+	if (!ar8xxx_has_mib_counters(priv))
+		return -EOPNOTSUPP;
+
+	mutex_lock(&priv->mib_lock);
+
+	len = priv->dev.ports * priv->chip->num_mibs *
+	      sizeof(*priv->mib_stats);
+	memset(priv->mib_stats, '\0', len);
+	ret = ar8xxx_mib_flush(priv);
+	if (ret)
+		goto unlock;
+
+	ret = 0;
+
+unlock:
+	mutex_unlock(&priv->mib_lock);
+	return ret;
+}
+
+static int
+ar8xxx_sw_set_mirror_rx_enable(struct switch_dev *dev,
+			       const struct switch_attr *attr,
+			       struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+	mutex_lock(&priv->reg_mutex);
+	priv->mirror_rx = !!val->value.i;
+	ar8xxx_set_mirror_regs(priv);
+	mutex_unlock(&priv->reg_mutex);
+
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_mirror_rx_enable(struct switch_dev *dev,
+			       const struct switch_attr *attr,
+			       struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	val->value.i = priv->mirror_rx;
+	return 0;
+}
+
+static int
+ar8xxx_sw_set_mirror_tx_enable(struct switch_dev *dev,
+			       const struct switch_attr *attr,
+			       struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+	mutex_lock(&priv->reg_mutex);
+	priv->mirror_tx = !!val->value.i;
+	ar8xxx_set_mirror_regs(priv);
+	mutex_unlock(&priv->reg_mutex);
+
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_mirror_tx_enable(struct switch_dev *dev,
+			       const struct switch_attr *attr,
+			       struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	val->value.i = priv->mirror_tx;
+	return 0;
+}
+
+static int
+ar8xxx_sw_set_mirror_monitor_port(struct switch_dev *dev,
+				  const struct switch_attr *attr,
+				  struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+	mutex_lock(&priv->reg_mutex);
+	priv->monitor_port = val->value.i;
+	ar8xxx_set_mirror_regs(priv);
+	mutex_unlock(&priv->reg_mutex);
+
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_mirror_monitor_port(struct switch_dev *dev,
+				  const struct switch_attr *attr,
+				  struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	val->value.i = priv->monitor_port;
+	return 0;
+}
+
+static int
+ar8xxx_sw_set_mirror_source_port(struct switch_dev *dev,
+				 const struct switch_attr *attr,
+				 struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+
+	mutex_lock(&priv->reg_mutex);
+	priv->source_port = val->value.i;
+	ar8xxx_set_mirror_regs(priv);
+	mutex_unlock(&priv->reg_mutex);
+
+	return 0;
+}
+
+static int
+ar8xxx_sw_get_mirror_source_port(struct switch_dev *dev,
+				 const struct switch_attr *attr,
+				 struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	val->value.i = priv->source_port;
+	return 0;
+}
+
+static int
+ar8xxx_sw_set_port_reset_mib(struct switch_dev *dev,
+			     const struct switch_attr *attr,
+			     struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	int port;
+	int ret;
+
+	if (!ar8xxx_has_mib_counters(priv))
+		return -EOPNOTSUPP;
+
+	port = val->port_vlan;
+	if (port >= dev->ports)
+		return -EINVAL;
+
+	mutex_lock(&priv->mib_lock);
+	ret = ar8xxx_mib_capture(priv);
+	if (ret)
+		goto unlock;
+
+	ar8xxx_mib_fetch_port_stat(priv, port, true);
+
+	ret = 0;
+
+unlock:
+	mutex_unlock(&priv->mib_lock);
+	return ret;
+}
+
+static int
+ar8xxx_sw_get_port_mib(struct switch_dev *dev,
+		       const struct switch_attr *attr,
+		       struct switch_val *val)
+{
+	struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
+	const struct ar8xxx_chip *chip = priv->chip;
+	u64 *mib_stats;
+	int port;
+	int ret;
+	char *buf = priv->buf;
+	int i, len = 0;
+
+	if (!ar8xxx_has_mib_counters(priv))
+		return -EOPNOTSUPP;
+
+	port = val->port_vlan;
+	if (port >= dev->ports)
+		return -EINVAL;
+
+	mutex_lock(&priv->mib_lock);
+	ret = ar8xxx_mib_capture(priv);
+	if (ret)
+		goto unlock;
+
+	ar8xxx_mib_fetch_port_stat(priv, port, false);
+
+	len += snprintf(buf + len, sizeof(priv->buf) - len,
+			"Port %d MIB counters\n",
+			port);
+
+	mib_stats = &priv->mib_stats[port * chip->num_mibs];
+	for (i = 0; i < chip->num_mibs; i++)
+		len += snprintf(buf + len, sizeof(priv->buf) - len,
+				"%-12s: %llu\n",
+				chip->mib_decs[i].name,
+				mib_stats[i]);
+
+	val->value.s = buf;
+	val->len = len;
+
+	ret = 0;
+
+unlock:
+	mutex_unlock(&priv->mib_lock);
+	return ret;
+}
+
+static struct switch_attr ar8xxx_sw_attr_globals[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_vlan",
+		.description = "Enable VLAN mode",
+		.set = ar8xxx_sw_set_vlan,
+		.get = ar8xxx_sw_get_vlan,
+		.max = 1
+	},
+	{
+		.type = SWITCH_TYPE_NOVAL,
+		.name = "reset_mibs",
+		.description = "Reset all MIB counters",
+		.set = ar8xxx_sw_set_reset_mibs,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_rx",
+		.description = "Enable mirroring of RX packets",
+		.set = ar8xxx_sw_set_mirror_rx_enable,
+		.get = ar8xxx_sw_get_mirror_rx_enable,
+		.max = 1
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_tx",
+		.description = "Enable mirroring of TX packets",
+		.set = ar8xxx_sw_set_mirror_tx_enable,
+		.get = ar8xxx_sw_get_mirror_tx_enable,
+		.max = 1
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "mirror_monitor_port",
+		.description = "Mirror monitor port",
+		.set = ar8xxx_sw_set_mirror_monitor_port,
+		.get = ar8xxx_sw_get_mirror_monitor_port,
+		.max = AR8216_NUM_PORTS - 1
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "mirror_source_port",
+		.description = "Mirror source port",
+		.set = ar8xxx_sw_set_mirror_source_port,
+		.get = ar8xxx_sw_get_mirror_source_port,
+		.max = AR8216_NUM_PORTS - 1
+ 	},
+};
+
+static struct switch_attr ar8327_sw_attr_globals[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_vlan",
+		.description = "Enable VLAN mode",
+		.set = ar8xxx_sw_set_vlan,
+		.get = ar8xxx_sw_get_vlan,
+		.max = 1
+	},
+	{
+		.type = SWITCH_TYPE_NOVAL,
+		.name = "reset_mibs",
+		.description = "Reset all MIB counters",
+		.set = ar8xxx_sw_set_reset_mibs,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_rx",
+		.description = "Enable mirroring of RX packets",
+		.set = ar8xxx_sw_set_mirror_rx_enable,
+		.get = ar8xxx_sw_get_mirror_rx_enable,
+		.max = 1
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_mirror_tx",
+		.description = "Enable mirroring of TX packets",
+		.set = ar8xxx_sw_set_mirror_tx_enable,
+		.get = ar8xxx_sw_get_mirror_tx_enable,
+		.max = 1
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "mirror_monitor_port",
+		.description = "Mirror monitor port",
+		.set = ar8xxx_sw_set_mirror_monitor_port,
+		.get = ar8xxx_sw_get_mirror_monitor_port,
+		.max = AR8327_NUM_PORTS - 1
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "mirror_source_port",
+		.description = "Mirror source port",
+		.set = ar8xxx_sw_set_mirror_source_port,
+		.get = ar8xxx_sw_get_mirror_source_port,
+		.max = AR8327_NUM_PORTS - 1
+ 	},
+};
+
+static struct switch_attr ar8xxx_sw_attr_port[] = {
+	{
+		.type = SWITCH_TYPE_NOVAL,
+		.name = "reset_mib",
+		.description = "Reset single port MIB counters",
+		.set = ar8xxx_sw_set_port_reset_mib,
+	},
+	{
+		.type = SWITCH_TYPE_STRING,
+		.name = "mib",
+		.description = "Get port's MIB counters",
+		.set = NULL,
+		.get = ar8xxx_sw_get_port_mib,
+	},
+};
+
+static struct switch_attr ar8xxx_sw_attr_vlan[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "vid",
+		.description = "VLAN ID (0-4094)",
+		.set = ar8xxx_sw_set_vid,
+		.get = ar8xxx_sw_get_vid,
+		.max = 4094,
+	},
+};
+
+static const struct switch_dev_ops ar8xxx_sw_ops = {
+	.attr_global = {
+		.attr = ar8xxx_sw_attr_globals,
+		.n_attr = ARRAY_SIZE(ar8xxx_sw_attr_globals),
+	},
+	.attr_port = {
+		.attr = ar8xxx_sw_attr_port,
+		.n_attr = ARRAY_SIZE(ar8xxx_sw_attr_port),
+	},
+	.attr_vlan = {
+		.attr = ar8xxx_sw_attr_vlan,
+		.n_attr = ARRAY_SIZE(ar8xxx_sw_attr_vlan),
+	},
+	.get_port_pvid = ar8xxx_sw_get_pvid,
+	.set_port_pvid = ar8xxx_sw_set_pvid,
+	.get_vlan_ports = ar8xxx_sw_get_ports,
+	.set_vlan_ports = ar8xxx_sw_set_ports,
+	.apply_config = ar8xxx_sw_hw_apply,
+	.reset_switch = ar8xxx_sw_reset_switch,
+	.get_port_link = ar8xxx_sw_get_port_link,
+};
+
+static const struct switch_dev_ops ar8327_sw_ops = {
+	.attr_global = {
+		.attr = ar8327_sw_attr_globals,
+		.n_attr = ARRAY_SIZE(ar8327_sw_attr_globals),
+	},
+	.attr_port = {
+		.attr = ar8xxx_sw_attr_port,
+		.n_attr = ARRAY_SIZE(ar8xxx_sw_attr_port),
+	},
+	.attr_vlan = {
+		.attr = ar8xxx_sw_attr_vlan,
+		.n_attr = ARRAY_SIZE(ar8xxx_sw_attr_vlan),
+	},
+	.get_port_pvid = ar8xxx_sw_get_pvid,
+	.set_port_pvid = ar8xxx_sw_set_pvid,
+	.get_vlan_ports = ar8xxx_sw_get_ports,
+	.set_vlan_ports = ar8xxx_sw_set_ports,
+	.apply_config = ar8xxx_sw_hw_apply,
+	.reset_switch = ar8xxx_sw_reset_switch,
+	.get_port_link = ar8xxx_sw_get_port_link,
+};
+
+static int
+ar8xxx_id_chip(struct ar8xxx_priv *priv)
+{
+	u32 val;
+	u16 id;
+	int i;
+
+	val = priv->read(priv, AR8216_REG_CTRL);
+	if (val == ~0)
+		return -ENODEV;
+
+	id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
+	for (i = 0; i < AR8X16_PROBE_RETRIES; i++) {
+		u16 t;
+
+		val = priv->read(priv, AR8216_REG_CTRL);
+		if (val == ~0)
+			return -ENODEV;
+
+		t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
+		if (t != id)
+			return -ENODEV;
+	}
+
+	priv->chip_ver = (id & AR8216_CTRL_VERSION) >> AR8216_CTRL_VERSION_S;
+	priv->chip_rev = (id & AR8216_CTRL_REVISION);
+
+	switch (priv->chip_ver) {
+	case AR8XXX_VER_AR8216:
+		priv->chip = &ar8216_chip;
+		break;
+	case AR8XXX_VER_AR8236:
+		priv->chip = &ar8236_chip;
+		break;
+	case AR8XXX_VER_AR8316:
+		priv->chip = &ar8316_chip;
+		break;
+	case AR8XXX_VER_AR8327:
+		priv->mii_lo_first = true;
+		priv->chip = &ar8327_chip;
+		break;
+	case AR8XXX_VER_AR8337:
+		priv->mii_lo_first = true;
+		priv->chip = &ar8327_chip;
+		break;
+	default:
+		pr_err("ar8216: Unknown Atheros device [ver=%d, rev=%d]\n",
+		       priv->chip_ver, priv->chip_rev);
+
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void
+ar8xxx_mib_work_func(struct work_struct *work)
+{
+	struct ar8xxx_priv *priv;
+	int err;
+
+	priv = container_of(work, struct ar8xxx_priv, mib_work.work);
+
+	mutex_lock(&priv->mib_lock);
+
+	err = ar8xxx_mib_capture(priv);
+	if (err)
+		goto next_port;
+
+	ar8xxx_mib_fetch_port_stat(priv, priv->mib_next_port, false);
+
+next_port:
+	priv->mib_next_port++;
+	if (priv->mib_next_port >= priv->dev.ports)
+		priv->mib_next_port = 0;
+
+	mutex_unlock(&priv->mib_lock);
+	schedule_delayed_work(&priv->mib_work,
+			      msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY));
+}
+
+static int
+ar8xxx_mib_init(struct ar8xxx_priv *priv)
+{
+	unsigned int len;
+
+	if (!ar8xxx_has_mib_counters(priv))
+		return 0;
+
+	BUG_ON(!priv->chip->mib_decs || !priv->chip->num_mibs);
+
+	len = priv->dev.ports * priv->chip->num_mibs *
+	      sizeof(*priv->mib_stats);
+	priv->mib_stats = kzalloc(len, GFP_KERNEL);
+
+	if (!priv->mib_stats)
+		return -ENOMEM;
+
+	return 0;
+}
+
+static void
+ar8xxx_mib_start(struct ar8xxx_priv *priv)
+{
+	if (!ar8xxx_has_mib_counters(priv))
+		return;
+
+	schedule_delayed_work(&priv->mib_work,
+			      msecs_to_jiffies(AR8XXX_MIB_WORK_DELAY));
+}
+
+static void
+ar8xxx_mib_stop(struct ar8xxx_priv *priv)
+{
+	if (!ar8xxx_has_mib_counters(priv))
+		return;
+
+	cancel_delayed_work(&priv->mib_work);
+}
+
+static struct ar8xxx_priv *
+ar8xxx_create(void)
+{
+	struct ar8xxx_priv *priv;
+
+	priv = kzalloc(sizeof(struct ar8xxx_priv), GFP_KERNEL);
+	if (priv == NULL)
+		return NULL;
+
+	mutex_init(&priv->reg_mutex);
+	mutex_init(&priv->mib_lock);
+	INIT_DELAYED_WORK(&priv->mib_work, ar8xxx_mib_work_func);
+
+	return priv;
+}
+
+static void
+ar8xxx_free(struct ar8xxx_priv *priv)
+{
+	if (priv->chip && priv->chip->cleanup)
+		priv->chip->cleanup(priv);
+
+	kfree(priv->mib_stats);
+	kfree(priv);
+}
+
+static struct ar8xxx_priv *
+ar8xxx_create_mii(struct mii_bus *bus)
+{
+	struct ar8xxx_priv *priv;
+
+	priv = ar8xxx_create();
+	if (priv) {
+		priv->mii_bus = bus;
+		priv->read = ar8xxx_mii_read;
+		priv->write = ar8xxx_mii_write;
+		priv->rmw = ar8xxx_mii_rmw;
+	}
+
+	return priv;
+}
+
+static int
+ar8xxx_probe_switch(struct ar8xxx_priv *priv)
+{
+	struct switch_dev *swdev;
+	int ret;
+
+	ret = ar8xxx_id_chip(priv);
+	if (ret)
+		return ret;
+
+	swdev = &priv->dev;
+	swdev->cpu_port = AR8216_PORT_CPU;
+	swdev->ops = &ar8xxx_sw_ops;
+
+	if (chip_is_ar8316(priv)) {
+		swdev->name = "Atheros AR8316";
+		swdev->vlans = AR8X16_MAX_VLANS;
+		swdev->ports = AR8216_NUM_PORTS;
+	} else if (chip_is_ar8236(priv)) {
+		swdev->name = "Atheros AR8236";
+		swdev->vlans = AR8216_NUM_VLANS;
+		swdev->ports = AR8216_NUM_PORTS;
+	} else if (chip_is_ar8327(priv)) {
+		swdev->name = "Atheros AR8327";
+		swdev->vlans = AR8X16_MAX_VLANS;
+		swdev->ports = AR8327_NUM_PORTS;
+		swdev->ops = &ar8327_sw_ops;
+	} else if (chip_is_ar8337(priv)) {
+		swdev->name = "Atheros AR8337";
+		swdev->vlans = AR8X16_MAX_VLANS;
+		swdev->ports = AR8327_NUM_PORTS;
+		swdev->ops = &ar8327_sw_ops;
+	} else {
+		swdev->name = "Atheros AR8216";
+		swdev->vlans = AR8216_NUM_VLANS;
+		swdev->ports = AR8216_NUM_PORTS;
+	}
+
+	ret = ar8xxx_mib_init(priv);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int
+ar8xxx_start(struct ar8xxx_priv *priv)
+{
+	int ret;
+
+	priv->init = true;
+
+	ret = priv->chip->hw_init(priv);
+	if (ret)
+		return ret;
+
+	ret = ar8xxx_sw_reset_switch(&priv->dev);
+	if (ret)
+		return ret;
+
+	priv->init = false;
+
+	ar8xxx_mib_start(priv);
+
+	return 0;
+}
+
+static int
+ar8xxx_phy_config_init(struct phy_device *phydev)
+{
+	struct ar8xxx_priv *priv = phydev->priv;
+	struct net_device *dev = phydev->attached_dev;
+	int ret;
+
+	if (WARN_ON(!priv))
+		return -ENODEV;
+
+	if (chip_is_ar8327(priv) || chip_is_ar8337(priv))
+		return 0;
+
+	priv->phy = phydev;
+
+	if (phydev->addr != 0) {
+		if (chip_is_ar8316(priv)) {
+			/* switch device has been initialized, reinit */
+			priv->dev.ports = (AR8216_NUM_PORTS - 1);
+			priv->initialized = false;
+			priv->port4_phy = true;
+			ar8316_hw_init(priv);
+			return 0;
+		}
+
+		return 0;
+	}
+
+	ret = ar8xxx_start(priv);
+	if (ret)
+		return ret;
+
+	/* VID fixup only needed on ar8216 */
+	if (chip_is_ar8216(priv)) {
+		dev->phy_ptr = priv;
+		dev->priv_flags |= IFF_NO_IP_ALIGN;
+		dev->eth_mangle_rx = ar8216_mangle_rx;
+		dev->eth_mangle_tx = ar8216_mangle_tx;
+	}
+
+	return 0;
+}
+
+static int
+ar8xxx_phy_read_status(struct phy_device *phydev)
+{
+	struct ar8xxx_priv *priv = phydev->priv;
+	struct switch_port_link link;
+	int ret;
+
+	if (phydev->addr != 0)
+		return genphy_read_status(phydev);
+
+	ar8216_read_port_link(priv, phydev->addr, &link);
+	phydev->link = !!link.link;
+	if (!phydev->link)
+		return 0;
+
+	switch (link.speed) {
+	case SWITCH_PORT_SPEED_10:
+		phydev->speed = SPEED_10;
+		break;
+	case SWITCH_PORT_SPEED_100:
+		phydev->speed = SPEED_100;
+		break;
+	case SWITCH_PORT_SPEED_1000:
+		phydev->speed = SPEED_1000;
+		break;
+	default:
+		phydev->speed = 0;
+	}
+	phydev->duplex = link.duplex ? DUPLEX_FULL : DUPLEX_HALF;
+
+	/* flush the address translation unit */
+	mutex_lock(&priv->reg_mutex);
+	ret = priv->chip->atu_flush(priv);
+	mutex_unlock(&priv->reg_mutex);
+
+	phydev->state = PHY_RUNNING;
+	netif_carrier_on(phydev->attached_dev);
+	phydev->adjust_link(phydev->attached_dev);
+
+	return ret;
+}
+
+static int
+ar8xxx_phy_config_aneg(struct phy_device *phydev)
+{
+	if (phydev->addr == 0)
+		return 0;
+
+	return genphy_config_aneg(phydev);
+}
+
+static const u32 ar8xxx_phy_ids[] = {
+	0x004dd033,
+	0x004dd034, /* AR8327 */
+	0x004dd036, /* AR8337 */
+	0x004dd041,
+	0x004dd042,
+};
+
+static bool
+ar8xxx_phy_match(u32 phy_id)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ar8xxx_phy_ids); i++)
+		if (phy_id == ar8xxx_phy_ids[i])
+			return true;
+
+	return false;
+}
+
+static bool
+ar8xxx_is_possible(struct mii_bus *bus)
+{
+	unsigned i;
+
+	for (i = 0; i < 4; i++) {
+		u32 phy_id;
+
+		phy_id = mdiobus_read(bus, i, MII_PHYSID1) << 16;
+		phy_id |= mdiobus_read(bus, i, MII_PHYSID2);
+		if (!ar8xxx_phy_match(phy_id)) {
+			pr_debug("ar8xxx: unknown PHY at %s:%02x id:%08x\n",
+				 dev_name(&bus->dev), i, phy_id);
+			return false;
+		}
+	}
+
+	return true;
+}
+
+static int
+ar8xxx_phy_probe(struct phy_device *phydev)
+{
+	struct ar8xxx_priv *priv;
+	struct switch_dev *swdev;
+	int ret;
+
+	/* skip PHYs at unused adresses */
+	if (phydev->addr != 0 && phydev->addr != 4)
+		return -ENODEV;
+
+	if (!ar8xxx_is_possible(phydev->bus))
+		return -ENODEV;
+
+	mutex_lock(&ar8xxx_dev_list_lock);
+	list_for_each_entry(priv, &ar8xxx_dev_list, list)
+		if (priv->mii_bus == phydev->bus)
+			goto found;
+
+	priv = ar8xxx_create_mii(phydev->bus);
+	if (priv == NULL) {
+		ret = -ENOMEM;
+		goto unlock;
+	}
+
+	ret = ar8xxx_probe_switch(priv);
+	if (ret)
+		goto free_priv;
+
+	swdev = &priv->dev;
+	swdev->alias = dev_name(&priv->mii_bus->dev);
+	ret = register_switch(swdev, NULL);
+	if (ret)
+		goto free_priv;
+
+	pr_info("%s: %s rev. %u switch registered on %s\n",
+		swdev->devname, swdev->name, priv->chip_rev,
+		dev_name(&priv->mii_bus->dev));
+
+found:
+	priv->use_count++;
+
+	if (phydev->addr == 0) {
+		if (ar8xxx_has_gige(priv)) {
+			phydev->supported = SUPPORTED_1000baseT_Full;
+			phydev->advertising = ADVERTISED_1000baseT_Full;
+		} else {
+			phydev->supported = SUPPORTED_100baseT_Full;
+			phydev->advertising = ADVERTISED_100baseT_Full;
+		}
+
+		if (chip_is_ar8327(priv) || chip_is_ar8337(priv)) {
+			priv->phy = phydev;
+
+			ret = ar8xxx_start(priv);
+			if (ret)
+				goto err_unregister_switch;
+		}
+	} else {
+		if (ar8xxx_has_gige(priv)) {
+			phydev->supported |= SUPPORTED_1000baseT_Full;
+			phydev->advertising |= ADVERTISED_1000baseT_Full;
+		}
+	}
+
+	phydev->priv = priv;
+
+	list_add(&priv->list, &ar8xxx_dev_list);
+
+	mutex_unlock(&ar8xxx_dev_list_lock);
+
+	return 0;
+
+err_unregister_switch:
+	if (--priv->use_count)
+		goto unlock;
+
+	unregister_switch(&priv->dev);
+
+free_priv:
+	ar8xxx_free(priv);
+unlock:
+	mutex_unlock(&ar8xxx_dev_list_lock);
+	return ret;
+}
+
+static void
+ar8xxx_phy_detach(struct phy_device *phydev)
+{
+	struct net_device *dev = phydev->attached_dev;
+
+	if (!dev)
+		return;
+
+	dev->phy_ptr = NULL;
+	dev->priv_flags &= ~IFF_NO_IP_ALIGN;
+	dev->eth_mangle_rx = NULL;
+	dev->eth_mangle_tx = NULL;
+}
+
+static void
+ar8xxx_phy_remove(struct phy_device *phydev)
+{
+	struct ar8xxx_priv *priv = phydev->priv;
+
+	if (WARN_ON(!priv))
+		return;
+
+	phydev->priv = NULL;
+	if (--priv->use_count > 0)
+		return;
+
+	mutex_lock(&ar8xxx_dev_list_lock);
+	list_del(&priv->list);
+	mutex_unlock(&ar8xxx_dev_list_lock);
+
+	unregister_switch(&priv->dev);
+	ar8xxx_mib_stop(priv);
+	ar8xxx_free(priv);
+}
+
+static struct phy_driver ar8xxx_phy_driver = {
+	.phy_id		= 0x004d0000,
+	.name		= "Atheros AR8216/AR8236/AR8316",
+	.phy_id_mask	= 0xffff0000,
+	.features	= PHY_BASIC_FEATURES,
+	.probe		= ar8xxx_phy_probe,
+	.remove		= ar8xxx_phy_remove,
+	.detach		= ar8xxx_phy_detach,
+	.config_init	= ar8xxx_phy_config_init,
+	.config_aneg	= ar8xxx_phy_config_aneg,
+	.read_status	= ar8xxx_phy_read_status,
+	.driver		= { .owner = THIS_MODULE },
+};
+
+int __init
+ar8xxx_init(void)
+{
+	return phy_driver_register(&ar8xxx_phy_driver);
+}
+
+void __exit
+ar8xxx_exit(void)
+{
+	phy_driver_unregister(&ar8xxx_phy_driver);
+}
+
+module_init(ar8xxx_init);
+module_exit(ar8xxx_exit);
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/net/phy/ar8216.h b/drivers/net/phy/ar8216.h
new file mode 100644
index 0000000..00d6d7f
--- /dev/null
+++ b/drivers/net/phy/ar8216.h
@@ -0,0 +1,492 @@
+/*
+ * ar8216.h: AR8216 switch driver
+ *
+ * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __AR8216_H
+#define __AR8216_H
+
+#define BITS(_s, _n)	(((1UL << (_n)) - 1) << _s)
+
+#define AR8216_PORT_CPU	0
+#define AR8216_NUM_PORTS	6
+#define AR8216_NUM_VLANS	16
+#define AR8316_NUM_VLANS	4096
+
+/* Atheros specific MII registers */
+#define MII_ATH_MMD_ADDR		0x0d
+#define MII_ATH_MMD_DATA		0x0e
+#define MII_ATH_DBG_ADDR		0x1d
+#define MII_ATH_DBG_DATA		0x1e
+
+#define AR8216_REG_CTRL			0x0000
+#define   AR8216_CTRL_REVISION		BITS(0, 8)
+#define   AR8216_CTRL_REVISION_S	0
+#define   AR8216_CTRL_VERSION		BITS(8, 8)
+#define   AR8216_CTRL_VERSION_S		8
+#define   AR8216_CTRL_RESET		BIT(31)
+
+#define AR8216_REG_FLOOD_MASK		0x002C
+#define   AR8216_FM_UNI_DEST_PORTS	BITS(0, 6)
+#define   AR8216_FM_MULTI_DEST_PORTS	BITS(16, 6)
+
+#define AR8216_REG_GLOBAL_CTRL		0x0030
+#define   AR8216_GCTRL_MTU		BITS(0, 11)
+#define   AR8236_GCTRL_MTU		BITS(0, 14)
+#define   AR8316_GCTRL_MTU		BITS(0, 14)
+
+#define AR8216_REG_VTU			0x0040
+#define   AR8216_VTU_OP			BITS(0, 3)
+#define   AR8216_VTU_OP_NOOP		0x0
+#define   AR8216_VTU_OP_FLUSH		0x1
+#define   AR8216_VTU_OP_LOAD		0x2
+#define   AR8216_VTU_OP_PURGE		0x3
+#define   AR8216_VTU_OP_REMOVE_PORT	0x4
+#define   AR8216_VTU_ACTIVE		BIT(3)
+#define   AR8216_VTU_FULL		BIT(4)
+#define   AR8216_VTU_PORT		BITS(8, 4)
+#define   AR8216_VTU_PORT_S		8
+#define   AR8216_VTU_VID		BITS(16, 12)
+#define   AR8216_VTU_VID_S		16
+#define   AR8216_VTU_PRIO		BITS(28, 3)
+#define   AR8216_VTU_PRIO_S		28
+#define   AR8216_VTU_PRIO_EN		BIT(31)
+
+#define AR8216_REG_VTU_DATA		0x0044
+#define   AR8216_VTUDATA_MEMBER		BITS(0, 10)
+#define   AR8236_VTUDATA_MEMBER		BITS(0, 7)
+#define   AR8216_VTUDATA_VALID		BIT(11)
+
+#define AR8216_REG_ATU			0x0050
+#define   AR8216_ATU_OP			BITS(0, 3)
+#define   AR8216_ATU_OP_NOOP		0x0
+#define   AR8216_ATU_OP_FLUSH		0x1
+#define   AR8216_ATU_OP_LOAD		0x2
+#define   AR8216_ATU_OP_PURGE		0x3
+#define   AR8216_ATU_OP_FLUSH_LOCKED	0x4
+#define   AR8216_ATU_OP_FLUSH_UNICAST	0x5
+#define   AR8216_ATU_OP_GET_NEXT	0x6
+#define   AR8216_ATU_ACTIVE		BIT(3)
+#define   AR8216_ATU_PORT_NUM		BITS(8, 4)
+#define   AR8216_ATU_FULL_VIO		BIT(12)
+#define   AR8216_ATU_ADDR4		BITS(16, 8)
+#define   AR8216_ATU_ADDR5		BITS(24, 8)
+
+#define AR8216_REG_ATU_DATA		0x0054
+#define   AR8216_ATU_ADDR3		BITS(0, 8)
+#define   AR8216_ATU_ADDR2		BITS(8, 8)
+#define   AR8216_ATU_ADDR1		BITS(16, 8)
+#define   AR8216_ATU_ADDR0		BITS(24, 8)
+
+#define AR8216_REG_ATU_CTRL		0x005C
+#define   AR8216_ATU_CTRL_AGE_EN	BIT(17)
+#define   AR8216_ATU_CTRL_AGE_TIME	BITS(0, 16)
+#define   AR8216_ATU_CTRL_AGE_TIME_S	0
+
+#define AR8216_REG_MIB_FUNC		0x0080
+#define   AR8216_MIB_TIMER		BITS(0, 16)
+#define   AR8216_MIB_AT_HALF_EN		BIT(16)
+#define   AR8216_MIB_BUSY		BIT(17)
+#define   AR8216_MIB_FUNC		BITS(24, 3)
+#define   AR8216_MIB_FUNC_S		24
+#define   AR8216_MIB_FUNC_NO_OP		0x0
+#define   AR8216_MIB_FUNC_FLUSH		0x1
+#define   AR8216_MIB_FUNC_CAPTURE	0x3
+#define   AR8236_MIB_EN			BIT(30)
+
+#define AR8216_REG_GLOBAL_CPUPORT		0x0078
+#define   AR8216_GLOBAL_CPUPORT_MIRROR_PORT	BITS(4, 4)
+#define   AR8216_GLOBAL_CPUPORT_MIRROR_PORT_S	4
+
+#define AR8216_PORT_OFFSET(_i)		(0x0100 * (_i + 1))
+#define AR8216_REG_PORT_STATUS(_i)	(AR8216_PORT_OFFSET(_i) + 0x0000)
+#define   AR8216_PORT_STATUS_SPEED	BITS(0,2)
+#define   AR8216_PORT_STATUS_SPEED_S	0
+#define   AR8216_PORT_STATUS_TXMAC	BIT(2)
+#define   AR8216_PORT_STATUS_RXMAC	BIT(3)
+#define   AR8216_PORT_STATUS_TXFLOW	BIT(4)
+#define   AR8216_PORT_STATUS_RXFLOW	BIT(5)
+#define   AR8216_PORT_STATUS_DUPLEX	BIT(6)
+#define   AR8216_PORT_STATUS_LINK_UP	BIT(8)
+#define   AR8216_PORT_STATUS_LINK_AUTO	BIT(9)
+#define   AR8216_PORT_STATUS_LINK_PAUSE	BIT(10)
+
+#define AR8216_REG_PORT_CTRL(_i)	(AR8216_PORT_OFFSET(_i) + 0x0004)
+
+/* port forwarding state */
+#define   AR8216_PORT_CTRL_STATE	BITS(0, 3)
+#define   AR8216_PORT_CTRL_STATE_S	0
+
+#define   AR8216_PORT_CTRL_LEARN_LOCK	BIT(7)
+
+/* egress 802.1q mode */
+#define   AR8216_PORT_CTRL_VLAN_MODE	BITS(8, 2)
+#define   AR8216_PORT_CTRL_VLAN_MODE_S	8
+
+#define   AR8216_PORT_CTRL_IGMP_SNOOP	BIT(10)
+#define   AR8216_PORT_CTRL_HEADER	BIT(11)
+#define   AR8216_PORT_CTRL_MAC_LOOP	BIT(12)
+#define   AR8216_PORT_CTRL_SINGLE_VLAN	BIT(13)
+#define   AR8216_PORT_CTRL_LEARN	BIT(14)
+#define   AR8216_PORT_CTRL_MIRROR_TX	BIT(16)
+#define   AR8216_PORT_CTRL_MIRROR_RX	BIT(17)
+
+#define AR8216_REG_PORT_VLAN(_i)	(AR8216_PORT_OFFSET(_i) + 0x0008)
+
+#define   AR8216_PORT_VLAN_DEFAULT_ID	BITS(0, 12)
+#define   AR8216_PORT_VLAN_DEFAULT_ID_S	0
+
+#define   AR8216_PORT_VLAN_DEST_PORTS	BITS(16, 9)
+#define   AR8216_PORT_VLAN_DEST_PORTS_S	16
+
+/* bit0 added to the priority field of egress frames */
+#define   AR8216_PORT_VLAN_TX_PRIO	BIT(27)
+
+/* port default priority */
+#define   AR8216_PORT_VLAN_PRIORITY	BITS(28, 2)
+#define   AR8216_PORT_VLAN_PRIORITY_S	28
+
+/* ingress 802.1q mode */
+#define   AR8216_PORT_VLAN_MODE		BITS(30, 2)
+#define   AR8216_PORT_VLAN_MODE_S	30
+
+#define AR8216_REG_PORT_RATE(_i)	(AR8216_PORT_OFFSET(_i) + 0x000c)
+#define AR8216_REG_PORT_PRIO(_i)	(AR8216_PORT_OFFSET(_i) + 0x0010)
+
+#define AR8216_REG_PORT_STATS_BASE(_i)	(0x19000 + (_i) * 0xa0)
+
+#define AR8216_STATS_RXBROAD		0x00
+#define AR8216_STATS_RXPAUSE		0x04
+#define AR8216_STATS_RXMULTI		0x08
+#define AR8216_STATS_RXFCSERR		0x0c
+#define AR8216_STATS_RXALIGNERR		0x10
+#define AR8216_STATS_RXRUNT		0x14
+#define AR8216_STATS_RXFRAGMENT		0x18
+#define AR8216_STATS_RX64BYTE		0x1c
+#define AR8216_STATS_RX128BYTE		0x20
+#define AR8216_STATS_RX256BYTE		0x24
+#define AR8216_STATS_RX512BYTE		0x28
+#define AR8216_STATS_RX1024BYTE		0x2c
+#define AR8216_STATS_RXMAXBYTE		0x30
+#define AR8216_STATS_RXTOOLONG		0x34
+#define AR8216_STATS_RXGOODBYTE		0x38
+#define AR8216_STATS_RXBADBYTE		0x40
+#define AR8216_STATS_RXOVERFLOW		0x48
+#define AR8216_STATS_FILTERED		0x4c
+#define AR8216_STATS_TXBROAD		0x50
+#define AR8216_STATS_TXPAUSE		0x54
+#define AR8216_STATS_TXMULTI		0x58
+#define AR8216_STATS_TXUNDERRUN		0x5c
+#define AR8216_STATS_TX64BYTE		0x60
+#define AR8216_STATS_TX128BYTE		0x64
+#define AR8216_STATS_TX256BYTE		0x68
+#define AR8216_STATS_TX512BYTE		0x6c
+#define AR8216_STATS_TX1024BYTE		0x70
+#define AR8216_STATS_TXMAXBYTE		0x74
+#define AR8216_STATS_TXOVERSIZE		0x78
+#define AR8216_STATS_TXBYTE		0x7c
+#define AR8216_STATS_TXCOLLISION	0x84
+#define AR8216_STATS_TXABORTCOL		0x88
+#define AR8216_STATS_TXMULTICOL		0x8c
+#define AR8216_STATS_TXSINGLECOL	0x90
+#define AR8216_STATS_TXEXCDEFER		0x94
+#define AR8216_STATS_TXDEFER		0x98
+#define AR8216_STATS_TXLATECOL		0x9c
+
+#define AR8236_REG_PORT_VLAN(_i)	(AR8216_PORT_OFFSET((_i)) + 0x0008)
+#define   AR8236_PORT_VLAN_DEFAULT_ID	BITS(16, 12)
+#define   AR8236_PORT_VLAN_DEFAULT_ID_S	16
+#define   AR8236_PORT_VLAN_PRIORITY	BITS(29, 3)
+#define   AR8236_PORT_VLAN_PRIORITY_S	28
+
+#define AR8236_REG_PORT_VLAN2(_i)	(AR8216_PORT_OFFSET((_i)) + 0x000c)
+#define   AR8236_PORT_VLAN2_MEMBER	BITS(16, 7)
+#define   AR8236_PORT_VLAN2_MEMBER_S	16
+#define   AR8236_PORT_VLAN2_TX_PRIO	BIT(23)
+#define   AR8236_PORT_VLAN2_VLAN_MODE	BITS(30, 2)
+#define   AR8236_PORT_VLAN2_VLAN_MODE_S	30
+
+#define AR8236_REG_PORT_STATS_BASE(_i)	(0x20000 + (_i) * 0x100)
+
+#define AR8236_STATS_RXBROAD		0x00
+#define AR8236_STATS_RXPAUSE		0x04
+#define AR8236_STATS_RXMULTI		0x08
+#define AR8236_STATS_RXFCSERR		0x0c
+#define AR8236_STATS_RXALIGNERR		0x10
+#define AR8236_STATS_RXRUNT		0x14
+#define AR8236_STATS_RXFRAGMENT		0x18
+#define AR8236_STATS_RX64BYTE		0x1c
+#define AR8236_STATS_RX128BYTE		0x20
+#define AR8236_STATS_RX256BYTE		0x24
+#define AR8236_STATS_RX512BYTE		0x28
+#define AR8236_STATS_RX1024BYTE		0x2c
+#define AR8236_STATS_RX1518BYTE		0x30
+#define AR8236_STATS_RXMAXBYTE		0x34
+#define AR8236_STATS_RXTOOLONG		0x38
+#define AR8236_STATS_RXGOODBYTE		0x3c
+#define AR8236_STATS_RXBADBYTE		0x44
+#define AR8236_STATS_RXOVERFLOW		0x4c
+#define AR8236_STATS_FILTERED		0x50
+#define AR8236_STATS_TXBROAD		0x54
+#define AR8236_STATS_TXPAUSE		0x58
+#define AR8236_STATS_TXMULTI		0x5c
+#define AR8236_STATS_TXUNDERRUN		0x60
+#define AR8236_STATS_TX64BYTE		0x64
+#define AR8236_STATS_TX128BYTE		0x68
+#define AR8236_STATS_TX256BYTE		0x6c
+#define AR8236_STATS_TX512BYTE		0x70
+#define AR8236_STATS_TX1024BYTE		0x74
+#define AR8236_STATS_TX1518BYTE		0x78
+#define AR8236_STATS_TXMAXBYTE		0x7c
+#define AR8236_STATS_TXOVERSIZE		0x80
+#define AR8236_STATS_TXBYTE		0x84
+#define AR8236_STATS_TXCOLLISION	0x8c
+#define AR8236_STATS_TXABORTCOL		0x90
+#define AR8236_STATS_TXMULTICOL		0x94
+#define AR8236_STATS_TXSINGLECOL	0x98
+#define AR8236_STATS_TXEXCDEFER		0x9c
+#define AR8236_STATS_TXDEFER		0xa0
+#define AR8236_STATS_TXLATECOL		0xa4
+
+#define AR8316_REG_POSTRIP			0x0008
+#define   AR8316_POSTRIP_MAC0_GMII_EN		BIT(0)
+#define   AR8316_POSTRIP_MAC0_RGMII_EN		BIT(1)
+#define   AR8316_POSTRIP_PHY4_GMII_EN		BIT(2)
+#define   AR8316_POSTRIP_PHY4_RGMII_EN		BIT(3)
+#define   AR8316_POSTRIP_MAC0_MAC_MODE		BIT(4)
+#define   AR8316_POSTRIP_RTL_MODE		BIT(5)
+#define   AR8316_POSTRIP_RGMII_RXCLK_DELAY_EN	BIT(6)
+#define   AR8316_POSTRIP_RGMII_TXCLK_DELAY_EN	BIT(7)
+#define   AR8316_POSTRIP_SERDES_EN		BIT(8)
+#define   AR8316_POSTRIP_SEL_ANA_RST		BIT(9)
+#define   AR8316_POSTRIP_GATE_25M_EN		BIT(10)
+#define   AR8316_POSTRIP_SEL_CLK25M		BIT(11)
+#define   AR8316_POSTRIP_HIB_PULSE_HW		BIT(12)
+#define   AR8316_POSTRIP_DBG_MODE_I		BIT(13)
+#define   AR8316_POSTRIP_MAC5_MAC_MODE		BIT(14)
+#define   AR8316_POSTRIP_MAC5_PHY_MODE		BIT(15)
+#define   AR8316_POSTRIP_POWER_DOWN_HW		BIT(16)
+#define   AR8316_POSTRIP_LPW_STATE_EN		BIT(17)
+#define   AR8316_POSTRIP_MAN_EN			BIT(18)
+#define   AR8316_POSTRIP_PHY_PLL_ON		BIT(19)
+#define   AR8316_POSTRIP_LPW_EXIT		BIT(20)
+#define   AR8316_POSTRIP_TXDELAY_S0		BIT(21)
+#define   AR8316_POSTRIP_TXDELAY_S1		BIT(22)
+#define   AR8316_POSTRIP_RXDELAY_S0		BIT(23)
+#define   AR8316_POSTRIP_LED_OPEN_EN		BIT(24)
+#define   AR8316_POSTRIP_SPI_EN			BIT(25)
+#define   AR8316_POSTRIP_RXDELAY_S1		BIT(26)
+#define   AR8316_POSTRIP_POWER_ON_SEL		BIT(31)
+
+#define AR8327_NUM_PORTS	7
+#define AR8327_NUM_LEDS		15
+#define AR8327_NUM_PHYS		5
+#define AR8327_PORTS_ALL	0x7f
+#define AR8327_NUM_LED_CTRL_REGS	4
+
+#define AR8327_REG_MASK				0x000
+
+#define AR8327_REG_PAD0_MODE			0x004
+#define AR8327_REG_PAD5_MODE			0x008
+#define AR8327_REG_PAD6_MODE			0x00c
+#define   AR8327_PAD_MAC_MII_RXCLK_SEL		BIT(0)
+#define   AR8327_PAD_MAC_MII_TXCLK_SEL		BIT(1)
+#define   AR8327_PAD_MAC_MII_EN			BIT(2)
+#define   AR8327_PAD_MAC_GMII_RXCLK_SEL		BIT(4)
+#define   AR8327_PAD_MAC_GMII_TXCLK_SEL		BIT(5)
+#define   AR8327_PAD_MAC_GMII_EN		BIT(6)
+#define   AR8327_PAD_SGMII_EN			BIT(7)
+#define   AR8327_PAD_PHY_MII_RXCLK_SEL		BIT(8)
+#define   AR8327_PAD_PHY_MII_TXCLK_SEL		BIT(9)
+#define   AR8327_PAD_PHY_MII_EN			BIT(10)
+#define   AR8327_PAD_PHY_GMII_PIPE_RXCLK_SEL	BIT(11)
+#define   AR8327_PAD_PHY_GMII_RXCLK_SEL		BIT(12)
+#define   AR8327_PAD_PHY_GMII_TXCLK_SEL		BIT(13)
+#define   AR8327_PAD_PHY_GMII_EN		BIT(14)
+#define   AR8327_PAD_PHYX_GMII_EN		BIT(16)
+#define   AR8327_PAD_PHYX_RGMII_EN		BIT(17)
+#define   AR8327_PAD_PHYX_MII_EN		BIT(18)
+#define   AR8327_PAD_SGMII_DELAY_EN		BIT(19)
+#define   AR8327_PAD_RGMII_RXCLK_DELAY_SEL	BITS(20, 2)
+#define   AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S	20
+#define   AR8327_PAD_RGMII_TXCLK_DELAY_SEL	BITS(22, 2)
+#define   AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S	22
+#define   AR8327_PAD_RGMII_RXCLK_DELAY_EN	BIT(24)
+#define   AR8327_PAD_RGMII_TXCLK_DELAY_EN	BIT(25)
+#define   AR8327_PAD_RGMII_EN			BIT(26)
+
+#define AR8327_REG_POWER_ON_STRIP		0x010
+#define   AR8327_POWER_ON_STRIP_POWER_ON_SEL	BIT(31)
+#define   AR8327_POWER_ON_STRIP_LED_OPEN_EN	BIT(24)
+#define   AR8327_POWER_ON_STRIP_SERDES_AEN	BIT(7)
+
+#define AR8327_REG_INT_STATUS0			0x020
+#define   AR8327_INT0_VT_DONE			BIT(20)
+
+#define AR8327_REG_INT_STATUS1			0x024
+#define AR8327_REG_INT_MASK0			0x028
+#define AR8327_REG_INT_MASK1			0x02c
+
+#define AR8327_REG_MODULE_EN			0x030
+#define   AR8327_MODULE_EN_MIB			BIT(0)
+
+#define AR8327_REG_MIB_FUNC			0x034
+#define   AR8327_MIB_CPU_KEEP			BIT(20)
+
+#define AR8327_REG_SERVICE_TAG			0x048
+#define AR8327_REG_LED_CTRL(_i)			(0x050 + (_i) * 4)
+#define AR8327_REG_LED_CTRL0			0x050
+#define AR8327_REG_LED_CTRL1			0x054
+#define AR8327_REG_LED_CTRL2			0x058
+#define AR8327_REG_LED_CTRL3			0x05c
+#define AR8327_REG_MAC_ADDR0			0x060
+#define AR8327_REG_MAC_ADDR1			0x064
+
+#define AR8327_REG_MAX_FRAME_SIZE		0x078
+#define   AR8327_MAX_FRAME_SIZE_MTU		BITS(0, 14)
+
+#define AR8327_REG_PORT_STATUS(_i)		(0x07c + (_i) * 4)
+
+#define AR8327_REG_HEADER_CTRL			0x098
+#define AR8327_REG_PORT_HEADER(_i)		(0x09c + (_i) * 4)
+
+#define AR8327_REG_SGMII_CTRL			0x0e0
+#define   AR8327_SGMII_CTRL_EN_PLL		BIT(1)
+#define   AR8327_SGMII_CTRL_EN_RX		BIT(2)
+#define   AR8327_SGMII_CTRL_EN_TX		BIT(3)
+
+#define AR8327_REG_PORT_VLAN0(_i)		(0x420 + (_i) * 0x8)
+#define   AR8327_PORT_VLAN0_DEF_SVID		BITS(0, 12)
+#define   AR8327_PORT_VLAN0_DEF_SVID_S		0
+#define   AR8327_PORT_VLAN0_DEF_CVID		BITS(16, 12)
+#define   AR8327_PORT_VLAN0_DEF_CVID_S		16
+
+#define AR8327_REG_PORT_VLAN1(_i)		(0x424 + (_i) * 0x8)
+#define   AR8327_PORT_VLAN1_PORT_VLAN_PROP	BIT(6)
+#define   AR8327_PORT_VLAN1_OUT_MODE		BITS(12, 2)
+#define   AR8327_PORT_VLAN1_OUT_MODE_S		12
+#define   AR8327_PORT_VLAN1_OUT_MODE_UNMOD	0
+#define   AR8327_PORT_VLAN1_OUT_MODE_UNTAG	1
+#define   AR8327_PORT_VLAN1_OUT_MODE_TAG	2
+#define   AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH	3
+
+#define AR8327_REG_ATU_DATA0			0x600
+#define AR8327_REG_ATU_DATA1			0x604
+#define AR8327_REG_ATU_DATA2			0x608
+
+#define AR8327_REG_ATU_FUNC			0x60c
+#define   AR8327_ATU_FUNC_OP			BITS(0, 4)
+#define   AR8327_ATU_FUNC_OP_NOOP		0x0
+#define   AR8327_ATU_FUNC_OP_FLUSH		0x1
+#define   AR8327_ATU_FUNC_OP_LOAD		0x2
+#define   AR8327_ATU_FUNC_OP_PURGE		0x3
+#define   AR8327_ATU_FUNC_OP_FLUSH_LOCKED	0x4
+#define   AR8327_ATU_FUNC_OP_FLUSH_UNICAST	0x5
+#define   AR8327_ATU_FUNC_OP_GET_NEXT		0x6
+#define   AR8327_ATU_FUNC_OP_SEARCH_MAC		0x7
+#define   AR8327_ATU_FUNC_OP_CHANGE_TRUNK	0x8
+#define   AR8327_ATU_FUNC_BUSY			BIT(31)
+
+#define AR8327_REG_VTU_FUNC0			0x0610
+#define   AR8327_VTU_FUNC0_EG_MODE		BITS(4, 14)
+#define   AR8327_VTU_FUNC0_EG_MODE_S(_i)	(4 + (_i) * 2)
+#define   AR8327_VTU_FUNC0_EG_MODE_KEEP		0
+#define   AR8327_VTU_FUNC0_EG_MODE_UNTAG	1
+#define   AR8327_VTU_FUNC0_EG_MODE_TAG		2
+#define   AR8327_VTU_FUNC0_EG_MODE_NOT		3
+#define   AR8327_VTU_FUNC0_IVL			BIT(19)
+#define   AR8327_VTU_FUNC0_VALID		BIT(20)
+
+#define AR8327_REG_VTU_FUNC1			0x0614
+#define   AR8327_VTU_FUNC1_OP			BITS(0, 3)
+#define   AR8327_VTU_FUNC1_OP_NOOP		0
+#define   AR8327_VTU_FUNC1_OP_FLUSH		1
+#define   AR8327_VTU_FUNC1_OP_LOAD		2
+#define   AR8327_VTU_FUNC1_OP_PURGE		3
+#define   AR8327_VTU_FUNC1_OP_REMOVE_PORT	4
+#define   AR8327_VTU_FUNC1_OP_GET_NEXT		5
+#define   AR8327_VTU_FUNC1_OP_GET_ONE		6
+#define   AR8327_VTU_FUNC1_FULL			BIT(4)
+#define   AR8327_VTU_FUNC1_PORT			BIT(8, 4)
+#define   AR8327_VTU_FUNC1_PORT_S		8
+#define   AR8327_VTU_FUNC1_VID			BIT(16, 12)
+#define   AR8327_VTU_FUNC1_VID_S		16
+#define   AR8327_VTU_FUNC1_BUSY			BIT(31)
+
+#define AR8327_REG_FWD_CTRL0			0x620
+#define   AR8327_FWD_CTRL0_CPU_PORT_EN		BIT(10)
+#define   AR8327_FWD_CTRL0_MIRROR_PORT		BITS(4, 4)
+#define   AR8327_FWD_CTRL0_MIRROR_PORT_S	4
+
+#define AR8327_REG_FWD_CTRL1			0x624
+#define   AR8327_FWD_CTRL1_UC_FLOOD		BITS(0, 7)
+#define   AR8327_FWD_CTRL1_UC_FLOOD_S		0
+#define   AR8327_FWD_CTRL1_MC_FLOOD		BITS(8, 7)
+#define   AR8327_FWD_CTRL1_MC_FLOOD_S		8
+#define   AR8327_FWD_CTRL1_BC_FLOOD		BITS(16, 7)
+#define   AR8327_FWD_CTRL1_BC_FLOOD_S		16
+#define   AR8327_FWD_CTRL1_IGMP			BITS(24, 7)
+#define   AR8327_FWD_CTRL1_IGMP_S		24
+
+#define AR8327_REG_PORT_LOOKUP(_i)		(0x660 + (_i) * 0xc)
+#define   AR8327_PORT_LOOKUP_MEMBER		BITS(0, 7)
+#define   AR8327_PORT_LOOKUP_IN_MODE		BITS(8, 2)
+#define   AR8327_PORT_LOOKUP_IN_MODE_S		8
+#define   AR8327_PORT_LOOKUP_STATE		BITS(16, 3)
+#define   AR8327_PORT_LOOKUP_STATE_S		16
+#define   AR8327_PORT_LOOKUP_LEARN		BIT(20)
+#define   AR8327_PORT_LOOKUP_ING_MIRROR_EN	BIT(25)
+
+#define AR8327_REG_PORT_PRIO(_i)		(0x664 + (_i) * 0xc)
+
+#define AR8327_REG_PORT_HOL_CTRL1(_i)		(0x974 + (_i) * 0x8)
+#define   AR8327_PORT_HOL_CTRL1_EG_MIRROR_EN	BIT(16)
+
+#define AR8327_REG_PORT_STATS_BASE(_i)		(0x1000 + (_i) * 0x100)
+
+#define AR8337_PAD_MAC06_EXCHANGE_EN		BIT(31)
+
+/* port speed */
+enum {
+        AR8216_PORT_SPEED_10M = 0,
+        AR8216_PORT_SPEED_100M = 1,
+        AR8216_PORT_SPEED_1000M = 2,
+        AR8216_PORT_SPEED_ERR = 3,
+};
+
+/* ingress 802.1q mode */
+enum {
+	AR8216_IN_PORT_ONLY = 0,
+	AR8216_IN_PORT_FALLBACK = 1,
+	AR8216_IN_VLAN_ONLY = 2,
+	AR8216_IN_SECURE = 3
+};
+
+/* egress 802.1q mode */
+enum {
+	AR8216_OUT_KEEP = 0,
+	AR8216_OUT_STRIP_VLAN = 1,
+	AR8216_OUT_ADD_VLAN = 2
+};
+
+/* port forwarding state */
+enum {
+	AR8216_PORT_STATE_DISABLED = 0,
+	AR8216_PORT_STATE_BLOCK = 1,
+	AR8216_PORT_STATE_LISTEN = 2,
+	AR8216_PORT_STATE_LEARN = 3,
+	AR8216_PORT_STATE_FORWARD = 4
+};
+
+#endif
diff --git a/include/linux/ar8216_platform.h b/include/linux/ar8216_platform.h
new file mode 100644
index 0000000..4935ad3
--- /dev/null
+++ b/include/linux/ar8216_platform.h
@@ -0,0 +1,131 @@
+/*
+ * AR8216 switch driver platform data
+ *
+ * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef AR8216_PLATFORM_H
+#define AR8216_PLATFORM_H
+
+enum ar8327_pad_mode {
+	AR8327_PAD_NC = 0,
+	AR8327_PAD_MAC2MAC_MII,
+	AR8327_PAD_MAC2MAC_GMII,
+	AR8327_PAD_MAC_SGMII,
+	AR8327_PAD_MAC2PHY_MII,
+	AR8327_PAD_MAC2PHY_GMII,
+	AR8327_PAD_MAC_RGMII,
+	AR8327_PAD_PHY_GMII,
+	AR8327_PAD_PHY_RGMII,
+	AR8327_PAD_PHY_MII,
+};
+
+enum ar8327_clk_delay_sel {
+	AR8327_CLK_DELAY_SEL0 = 0,
+	AR8327_CLK_DELAY_SEL1,
+	AR8327_CLK_DELAY_SEL2,
+	AR8327_CLK_DELAY_SEL3,
+};
+
+struct ar8327_pad_cfg {
+	enum ar8327_pad_mode mode;
+	bool rxclk_sel;
+	bool txclk_sel;
+	bool pipe_rxclk_sel;
+	bool txclk_delay_en;
+	bool rxclk_delay_en;
+	bool sgmii_delay_en;
+	enum ar8327_clk_delay_sel txclk_delay_sel;
+	enum ar8327_clk_delay_sel rxclk_delay_sel;
+};
+
+enum ar8327_port_speed {
+	AR8327_PORT_SPEED_10 = 0,
+	AR8327_PORT_SPEED_100,
+	AR8327_PORT_SPEED_1000,
+};
+
+struct ar8327_port_cfg {
+	int force_link:1;
+	enum ar8327_port_speed speed;
+	int txpause:1;
+	int rxpause:1;
+	int duplex:1;
+};
+
+struct ar8327_sgmii_cfg {
+	u32 sgmii_ctrl;
+	bool serdes_aen;
+};
+
+struct ar8327_led_cfg {
+	u32 led_ctrl0;
+	u32 led_ctrl1;
+	u32 led_ctrl2;
+	u32 led_ctrl3;
+	bool open_drain;
+};
+
+enum ar8327_led_num {
+	AR8327_LED_PHY0_0 = 0,
+	AR8327_LED_PHY0_1,
+	AR8327_LED_PHY0_2,
+	AR8327_LED_PHY1_0,
+	AR8327_LED_PHY1_1,
+	AR8327_LED_PHY1_2,
+	AR8327_LED_PHY2_0,
+	AR8327_LED_PHY2_1,
+	AR8327_LED_PHY2_2,
+	AR8327_LED_PHY3_0,
+	AR8327_LED_PHY3_1,
+	AR8327_LED_PHY3_2,
+	AR8327_LED_PHY4_0,
+	AR8327_LED_PHY4_1,
+	AR8327_LED_PHY4_2,
+};
+
+enum ar8327_led_mode {
+	AR8327_LED_MODE_HW = 0,
+	AR8327_LED_MODE_SW,
+};
+
+struct ar8327_led_info {
+	const char *name;
+	const char *default_trigger;
+	bool active_low;
+	enum ar8327_led_num led_num;
+	enum ar8327_led_mode mode;
+};
+
+#define AR8327_LED_INFO(_led, _mode, _name) {	\
+	.name = (_name), 	   		\
+	.led_num = AR8327_LED_ ## _led,		\
+	.mode = AR8327_LED_MODE_ ## _mode 	\
+}
+
+struct ar8327_platform_data {
+	struct ar8327_pad_cfg *pad0_cfg;
+	struct ar8327_pad_cfg *pad5_cfg;
+	struct ar8327_pad_cfg *pad6_cfg;
+	struct ar8327_sgmii_cfg *sgmii_cfg;
+	struct ar8327_port_cfg port0_cfg;
+	struct ar8327_port_cfg port6_cfg;
+	struct ar8327_led_cfg *led_cfg;
+
+	int (*get_port_link)(unsigned port);
+
+	unsigned num_leds;
+	const struct ar8327_led_info *leds;
+};
+
+#endif /* AR8216_PLATFORM_H */
\ No newline at end of file
-- 
1.8.5.3

