Add a driver for Atheros AR8216 switches
authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Wed, 29 Apr 2009 13:02:41 +0000 (13:02 +0000)
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Wed, 29 Apr 2009 13:02:41 +0000 (13:02 +0000)
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

target/linux/generic-2.6/config-2.6.28
target/linux/generic-2.6/config-2.6.29
target/linux/generic-2.6/config-2.6.30
target/linux/generic-2.6/files/drivers/net/phy/ar8216.c [new file with mode: 0644]
target/linux/generic-2.6/files/drivers/net/phy/ar8216.h [new file with mode: 0644]
target/linux/generic-2.6/patches-2.6.28/680-phy_ar8216.patch [new file with mode: 0644]
target/linux/generic-2.6/patches-2.6.29/680-phy_ar8216.patch [new file with mode: 0644]
target/linux/generic-2.6/patches-2.6.30/680-phy_ar8216.patch [new file with mode: 0644]

index 5827302..5e1024b 100644 (file)
@@ -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
index 7b3eb6d..b80a79e 100644 (file)
@@ -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
index 46b1b7a..a8cd53e 100644 (file)
@@ -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 (file)
index 0000000..d83845c
--- /dev/null
@@ -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 (file)
index 0000000..a729ac4
--- /dev/null
@@ -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 (file)
index 0000000..2e9bab1
--- /dev/null
@@ -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 (file)
index 0000000..2e9bab1
--- /dev/null
@@ -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 (file)
index 0000000..2e9bab1
--- /dev/null
@@ -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
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