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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-04-29 13:02:41 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-04-29 13:02:41 +0000
commit681d7f126b95ad5640be5c20a71fcebb4528f84e (patch)
treebf2e5a40c9eed271312a72385141d249fe64d8f8 /target/linux
parentfea7cd278b1331261f120b77e4491918fef97598 (diff)
Add a driver for Atheros AR8216 switches
Thanks to Vertical Communications, Inc. for providing access to the documentation git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15482 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/generic-2.6/config-2.6.281
-rw-r--r--target/linux/generic-2.6/config-2.6.291
-rw-r--r--target/linux/generic-2.6/config-2.6.301
-rw-r--r--target/linux/generic-2.6/files/drivers/net/phy/ar8216.c528
-rw-r--r--target/linux/generic-2.6/files/drivers/net/phy/ar8216.h147
-rw-r--r--target/linux/generic-2.6/patches-2.6.28/680-phy_ar8216.patch23
-rw-r--r--target/linux/generic-2.6/patches-2.6.29/680-phy_ar8216.patch23
-rw-r--r--target/linux/generic-2.6/patches-2.6.30/680-phy_ar8216.patch23
8 files changed, 747 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/config-2.6.28 b/target/linux/generic-2.6/config-2.6.28
index 582730251b..5e1024bfd5 100644
--- a/target/linux/generic-2.6/config-2.6.28
+++ b/target/linux/generic-2.6/config-2.6.28
@@ -19,6 +19,7 @@ CONFIG_AIO=y
# CONFIG_AMIGA_PARTITION is not set
CONFIG_ANON_INODES=y
# CONFIG_APPLICOM is not set
+# CONFIG_AR8216_PHY is not set
CONFIG_ARCH_FLATMEM_ENABLE=y
# CONFIG_ARCNET is not set
CONFIG_ARPD=y
diff --git a/target/linux/generic-2.6/config-2.6.29 b/target/linux/generic-2.6/config-2.6.29
index 7b3eb6dc1f..b80a79e712 100644
--- a/target/linux/generic-2.6/config-2.6.29
+++ b/target/linux/generic-2.6/config-2.6.29
@@ -20,6 +20,7 @@ CONFIG_AIO=y
# CONFIG_AMIGA_PARTITION is not set
CONFIG_ANON_INODES=y
# CONFIG_APPLICOM is not set
+# CONFIG_AR8216_PHY is not set
CONFIG_ARCH_FLATMEM_ENABLE=y
# CONFIG_ARCNET is not set
CONFIG_ARPD=y
diff --git a/target/linux/generic-2.6/config-2.6.30 b/target/linux/generic-2.6/config-2.6.30
index 46b1b7ad3a..a8cd53e71a 100644
--- a/target/linux/generic-2.6/config-2.6.30
+++ b/target/linux/generic-2.6/config-2.6.30
@@ -20,6 +20,7 @@ CONFIG_AIO=y
# CONFIG_AMIGA_PARTITION is not set
CONFIG_ANON_INODES=y
# CONFIG_APPLICOM is not set
+# CONFIG_AR8216_PHY is not set
CONFIG_ARCH_FLATMEM_ENABLE=y
# CONFIG_ARCNET is not set
CONFIG_ARPD=y
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c
new file mode 100644
index 0000000000..d83845c536
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.c
@@ -0,0 +1,528 @@
+/*
+ * ar8216.c: 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.
+ */
+
+#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 "ar8216.h"
+
+#define AR8216_REG_PORT_RATE(_i) (AR8216_PORT_OFFSET(_i) + 0x000c)
+#define AR8216_REG_PORT_PRIO(_i) (AR8216_PORT_OFFSET(_i) + 0x0010)
+
+struct ar8216_priv {
+ struct switch_dev dev;
+ struct phy_device *phy;
+ u32 (*read)(struct ar8216_priv *priv, int reg);
+ void (*write)(struct ar8216_priv *priv, int reg, u32 val);
+ /* all fields below are cleared on reset */
+ bool vlan;
+ u8 vlan_id[AR8216_NUM_VLANS];
+ u8 vlan_table[AR8216_NUM_VLANS];
+ u8 vlan_tagged;
+ u16 pvid[AR8216_NUM_PORTS];
+};
+static struct switch_dev athdev;
+
+#define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
+
+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
+ar8216_mii_read(struct ar8216_priv *priv, int reg)
+{
+ struct phy_device *phy = priv->phy;
+ u16 r1, r2, page;
+ u16 lo, hi;
+
+ split_addr((u32) reg, &r1, &r2, &page);
+ phy->bus->write(phy->bus, 0x18, 0, page);
+ lo = phy->bus->read(phy->bus, 0x10 | r2, r1);
+ hi = phy->bus->read(phy->bus, 0x10 | r2, r1 + 1);
+
+ return (hi << 16) | lo;
+}
+
+static void
+ar8216_mii_write(struct ar8216_priv *priv, int reg, u32 val)
+{
+ struct phy_device *phy = priv->phy;
+ u16 r1, r2, r3;
+ u16 lo, hi;
+
+ split_addr((u32) reg, &r1, &r2, &r3);
+ phy->bus->write(phy->bus, 0x18, 0, r3);
+
+ lo = val & 0xffff;
+ hi = (u16) (val >> 16);
+ phy->bus->write(phy->bus, 0x10 | r2, r1 + 1, hi);
+ phy->bus->write(phy->bus, 0x10 | r2, r1, lo);
+}
+
+static u32
+ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
+{
+ u32 v;
+
+ v = priv->read(priv, reg);
+ v &= ~mask;
+ v |= val;
+ priv->write(priv, reg, v);
+
+ return v;
+}
+
+static int
+ar8216_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ priv->vlan = !!val->value.i;
+ return 0;
+}
+
+static int
+ar8216_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ val->value.i = priv->vlan;
+ return 0;
+}
+
+
+static int
+ar8216_set_pvid(struct switch_dev *dev, int port, int vlan)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ priv->pvid[port] = vlan;
+ return 0;
+}
+
+static int
+ar8216_get_pvid(struct switch_dev *dev, int port, int *vlan)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ *vlan = priv->pvid[port];
+ return 0;
+}
+
+static int
+ar8216_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ priv->vlan_id[val->port_vlan] = val->value.i;
+ return 0;
+}
+
+static int
+ar8216_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ val->value.i = priv->vlan_id[val->port_vlan];
+ return 0;
+}
+
+
+static struct switch_attr ar8216_globals[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "vlan",
+ .description = "Enable VLAN mode",
+ .set = ar8216_set_vlan,
+ .get = ar8216_get_vlan,
+ .max = 1
+ },
+};
+
+static struct switch_attr ar8216_port[] = {
+};
+
+static struct switch_attr ar8216_vlan[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "pvid",
+ .description = "VLAN ID",
+ .set = ar8216_set_vid,
+ .get = ar8216_get_vid,
+ .max = 4095,
+ },
+};
+
+
+static int
+ar8216_get_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ u8 ports = priv->vlan_table[val->port_vlan];
+ int i;
+
+ val->len = 0;
+ for (i = 0; i < AR8216_NUM_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
+ar8216_set_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(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 < AR8216_NUM_VLANS; j++) {
+ if (j == val->port_vlan)
+ continue;
+ priv->vlan_table[j] &= ~(1 << p->id);
+ }
+ }
+
+ *vt |= 1 << p->id;
+ }
+ return 0;
+}
+
+static int
+ar8216_wait_bit(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
+{
+ int timeout = 20;
+
+ while ((priv->read(priv, reg) & mask) != val) {
+ if (timeout-- <= 0) {
+ printk(KERN_ERR "ar8216: timeout waiting for operation to complete\n");
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void
+ar8216_vtu_op(struct ar8216_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 int
+ar8216_hw_apply(struct switch_dev *dev)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ u8 portmask[AR8216_NUM_PORTS];
+ int i, j;
+
+ /* flush all vlan translation unit entries */
+ ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
+
+ memset(portmask, 0, sizeof(portmask));
+ if (priv->vlan) {
+ /* calculate the port destination masks and load vlans
+ * into the vlan translation unit */
+ for (j = 0; j < AR8216_NUM_VLANS; j++) {
+ u8 vp = priv->vlan_table[j];
+
+ if (!vp)
+ continue;
+
+ for (i = 0; i < AR8216_NUM_PORTS; i++) {
+ u8 mask = (1 << i);
+ if (vp & mask)
+ portmask[i] |= vp & ~mask;
+ }
+
+ if (!priv->vlan_table[j])
+ continue;
+
+ ar8216_vtu_op(priv,
+ AR8216_VTU_OP_LOAD |
+ (priv->vlan_id[j] << AR8216_VTU_VID_S),
+ priv->vlan_table[j]);
+ }
+ } else {
+ /* vlan disabled:
+ * isolate all ports, but connect them to the cpu port */
+ for (i = 0; i < AR8216_NUM_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 < AR8216_NUM_PORTS; i++) {
+ int egress, ingress;
+ int pvid;
+
+ if (priv->vlan) {
+ pvid = priv->vlan_id[priv->pvid[i]];
+ } else {
+ pvid = i;
+ }
+
+ if (priv->vlan && (priv->vlan_tagged & (1 << i))) {
+ egress = AR8216_OUT_ADD_VLAN;
+ ingress = AR8216_IN_PORT_FALLBACK;
+ } else {
+ egress = AR8216_OUT_STRIP_VLAN;
+ ingress = AR8216_IN_SECURE;
+ }
+
+ ar8216_rmw(priv, AR8216_REG_PORT_CTRL(i),
+ 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) |
+ (priv->vlan ? AR8216_PORT_CTRL_SINGLE_VLAN : 0) |
+ (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
+
+ ar8216_rmw(priv, AR8216_REG_PORT_VLAN(i),
+ AR8216_PORT_VLAN_DEST_PORTS | AR8216_PORT_VLAN_MODE |
+ AR8216_PORT_VLAN_DEFAULT_ID,
+ (portmask[i] << AR8216_PORT_VLAN_DEST_PORTS_S) |
+ (ingress << AR8216_PORT_VLAN_MODE_S) |
+ (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
+ }
+
+ return 0;
+}
+
+static int
+ar8216_reset_switch(struct switch_dev *dev)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ int i;
+
+ memset(&priv->vlan, 0, sizeof(struct ar8216_priv) -
+ offsetof(struct ar8216_priv, vlan));
+ for (i = 0; i < AR8216_NUM_VLANS; i++) {
+ priv->vlan_id[i] = i;
+ }
+ for (i = 0; i < AR8216_NUM_PORTS; i++) {
+ /* Enable port learning and tx */
+ priv->write(priv, AR8216_REG_PORT_CTRL(i),
+ AR8216_PORT_CTRL_LEARN |
+ (4 << AR8216_PORT_CTRL_STATE_S));
+
+ priv->write(priv, AR8216_REG_PORT_VLAN(i), 0);
+
+ /* Configure all PHYs */
+ if (i == AR8216_PORT_CPU) {
+ priv->write(priv, AR8216_REG_PORT_STATUS(i),
+ AR8216_PORT_STATUS_LINK_UP |
+ AR8216_PORT_STATUS_SPEED |
+ AR8216_PORT_STATUS_TXMAC |
+ AR8216_PORT_STATUS_RXMAC |
+ AR8216_PORT_STATUS_DUPLEX);
+ } else {
+ priv->write(priv, AR8216_REG_PORT_STATUS(i),
+ AR8216_PORT_STATUS_LINK_AUTO);
+ }
+ }
+ /* XXX: undocumented magic from atheros, required! */
+ priv->write(priv, 0x38, 0xc000050e);
+ return ar8216_hw_apply(dev);
+}
+
+static int
+ar8216_config_init(struct phy_device *pdev)
+{
+ struct ar8216_priv *priv;
+ int ret;
+
+ printk("%s: AR8216 PHY driver attached.\n", pdev->attached_dev->name);
+ pdev->supported = ADVERTISED_100baseT_Full;
+ pdev->advertising = ADVERTISED_100baseT_Full;
+
+ priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+
+ priv->phy = pdev;
+ priv->read = ar8216_mii_read;
+ priv->write = ar8216_mii_write;
+ memcpy(&priv->dev, &athdev, sizeof(struct switch_dev));
+ pdev->priv = priv;
+ if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) {
+ kfree(priv);
+ goto done;
+ }
+
+ ret = ar8216_reset_switch(&priv->dev);
+done:
+ return ret;
+}
+
+static int
+ar8216_read_status(struct phy_device *phydev)
+{
+ struct ar8216_priv *priv = phydev->priv;
+
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_FULL;
+ phydev->state = PHY_UP;
+
+ /* flush the address translation unit */
+ if (ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0))
+ return -ETIMEDOUT;
+
+ priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH);
+
+ return 0;
+}
+
+static int
+ar8216_config_aneg(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int
+ar8216_probe(struct phy_device *pdev)
+{
+ struct ar8216_priv priv;
+
+ u8 id, rev;
+ u32 val;
+
+ priv.phy = pdev;
+ val = ar8216_mii_read(&priv, AR8216_REG_CTRL);
+ rev = val & 0xff;
+ id = (val >> 8) & 0xff;
+ if ((id != 1) || (rev != 1))
+ return -ENODEV;
+
+ return 0;
+}
+
+static void
+ar8216_remove(struct phy_device *pdev)
+{
+ struct ar8216_priv *priv = pdev->priv;
+
+ if (!priv)
+ return;
+
+ unregister_switch(&priv->dev);
+ kfree(priv);
+}
+
+/* template */
+static struct switch_dev athdev = {
+ .name = "Atheros AR8216",
+ .cpu_port = AR8216_PORT_CPU,
+ .ports = AR8216_NUM_PORTS,
+ .vlans = AR8216_NUM_VLANS,
+ .attr_global = {
+ .attr = ar8216_globals,
+ .n_attr = ARRAY_SIZE(ar8216_globals),
+ },
+ .attr_port = {
+ .attr = ar8216_port,
+ .n_attr = ARRAY_SIZE(ar8216_port),
+ },
+ .attr_vlan = {
+ .attr = ar8216_vlan,
+ .n_attr = ARRAY_SIZE(ar8216_vlan),
+ },
+ .get_port_pvid = ar8216_get_pvid,
+ .set_port_pvid = ar8216_set_pvid,
+ .get_vlan_ports = ar8216_get_ports,
+ .set_vlan_ports = ar8216_set_ports,
+ .apply_config = ar8216_hw_apply,
+ .reset_switch = ar8216_reset_switch,
+};
+
+static struct phy_driver ar8216_driver = {
+ .name = "Atheros AR8216",
+ .features = PHY_BASIC_FEATURES,
+ .probe = ar8216_probe,
+ .remove = ar8216_remove,
+ .config_init = &ar8216_config_init,
+ .config_aneg = &ar8216_config_aneg,
+ .read_status = &ar8216_read_status,
+ .driver = { .owner = THIS_MODULE },
+};
+
+int __init
+ar8216_init(void)
+{
+ return phy_driver_register(&ar8216_driver);
+}
+
+void __exit
+ar8216_exit(void)
+{
+ phy_driver_unregister(&ar8216_driver);
+}
+
+module_init(ar8216_init);
+module_exit(ar8216_exit);
+MODULE_LICENSE("GPL");
+
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h
new file mode 100644
index 0000000000..a729ac4425
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/net/phy/ar8216.h
@@ -0,0 +1,147 @@
+/*
+ * 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 AR8216_REG_CTRL 0x0000
+#define AR8216_CTRL_RESET BIT(31)
+
+#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 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 BIT(16, 8)
+#define AR8216_ATU_ADDR5 BIT(24, 8)
+
+#define AR8216_REG_ATU_DATA 0x0054
+#define AR8216_ATU_ADDR3 BIT(0, 8)
+#define AR8216_ATU_ADDR2 BIT(8, 8)
+#define AR8216_ATU_ADDR1 BIT(16, 8)
+#define AR8216_ATU_ADDR0 BIT(24, 8)
+
+#define AR8216_PORT_OFFSET(_i) (0x0100 * (i + 1))
+#define AR8216_REG_PORT_STATUS(_i) (AR8216_PORT_OFFSET(_i) + 0x0000)
+#define AR8216_PORT_STATUS_SPEED BIT(0)
+#define AR8216_PORT_STATUS_SPEED_ERR BIT(1)
+#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
+
+/* 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/target/linux/generic-2.6/patches-2.6.28/680-phy_ar8216.patch b/target/linux/generic-2.6/patches-2.6.28/680-phy_ar8216.patch
new file mode 100644
index 0000000000..2e9bab10e3
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/680-phy_ar8216.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -84,6 +84,10 @@ config IP175C_PHY
+ tristate "Driver for IC+ IP175C/IP178C switches"
+ select SWCONFIG
+
++config AR8216_PHY
++ tristate "Driver for Atheros AR8216 switches"
++ select SWCONFIG
++
+ config FIXED_PHY
+ bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ depends on PHYLIB=y
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_ICPLUS_PHY) += icplus.o
+ obj-$(CONFIG_ADM6996_PHY) += adm6996.o
+ obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
+ obj-$(CONFIG_IP175C_PHY) += ip175c.o
++obj-$(CONFIG_AR8216_PHY) += ar8216.o
+ obj-$(CONFIG_REALTEK_PHY) += realtek.o
+ obj-$(CONFIG_FIXED_PHY) += fixed.o
+ obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
diff --git a/target/linux/generic-2.6/patches-2.6.29/680-phy_ar8216.patch b/target/linux/generic-2.6/patches-2.6.29/680-phy_ar8216.patch
new file mode 100644
index 0000000000..2e9bab10e3
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.29/680-phy_ar8216.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -84,6 +84,10 @@ config IP175C_PHY
+ tristate "Driver for IC+ IP175C/IP178C switches"
+ select SWCONFIG
+
++config AR8216_PHY
++ tristate "Driver for Atheros AR8216 switches"
++ select SWCONFIG
++
+ config FIXED_PHY
+ bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ depends on PHYLIB=y
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_ICPLUS_PHY) += icplus.o
+ obj-$(CONFIG_ADM6996_PHY) += adm6996.o
+ obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
+ obj-$(CONFIG_IP175C_PHY) += ip175c.o
++obj-$(CONFIG_AR8216_PHY) += ar8216.o
+ obj-$(CONFIG_REALTEK_PHY) += realtek.o
+ obj-$(CONFIG_FIXED_PHY) += fixed.o
+ obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
diff --git a/target/linux/generic-2.6/patches-2.6.30/680-phy_ar8216.patch b/target/linux/generic-2.6/patches-2.6.30/680-phy_ar8216.patch
new file mode 100644
index 0000000000..2e9bab10e3
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.30/680-phy_ar8216.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -84,6 +84,10 @@ config IP175C_PHY
+ tristate "Driver for IC+ IP175C/IP178C switches"
+ select SWCONFIG
+
++config AR8216_PHY
++ tristate "Driver for Atheros AR8216 switches"
++ select SWCONFIG
++
+ config FIXED_PHY
+ bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ depends on PHYLIB=y
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -16,6 +16,7 @@ obj-$(CONFIG_ICPLUS_PHY) += icplus.o
+ obj-$(CONFIG_ADM6996_PHY) += adm6996.o
+ obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
+ obj-$(CONFIG_IP175C_PHY) += ip175c.o
++obj-$(CONFIG_AR8216_PHY) += ar8216.o
+ obj-$(CONFIG_REALTEK_PHY) += realtek.o
+ obj-$(CONFIG_FIXED_PHY) += fixed.o
+ obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o