#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/lockdep.h>
#include "ar8216.h"
/* size of the vlan table */
#define AR8X16_MAX_VLANS 128
#define AR8X16_PROBE_RETRIES 10
+struct ar8216_priv;
+
+#define AR8XXX_CAP_GIGE BIT(0)
+
+struct ar8xxx_chip {
+ unsigned long caps;
+
+ int (*hw_init)(struct ar8216_priv *priv);
+ void (*init_globals)(struct ar8216_priv *priv);
+ void (*init_port)(struct ar8216_priv *priv, int port);
+ void (*setup_port)(struct ar8216_priv *priv, int port, u32 egress,
+ u32 ingress, u32 members, u32 pvid);
+ u32 (*read_port_status)(struct ar8216_priv *priv, int port);
+ int (*atu_flush)(struct ar8216_priv *priv);
+ void (*vtu_flush)(struct ar8216_priv *priv);
+ void (*vtu_load_vlan)(struct ar8216_priv *priv, u32 vid, u32 port_mask);
+};
+
struct ar8216_priv {
struct switch_dev dev;
struct phy_device *phy;
const struct net_device_ops *ndo_old;
struct net_device_ops ndo;
struct mutex reg_mutex;
- int chip;
+ int chip_type;
+ const struct ar8xxx_chip *chip;
bool initialized;
bool port4_phy;
char buf[80];
#define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
+static inline bool ar8xxx_has_gige(struct ar8216_priv *priv)
+{
+ return priv->chip->caps & AR8XXX_CAP_GIGE;
+}
+
static inline void
split_addr(u32 regaddr, u16 *r1, u16 *r2, u16 *page)
{
mutex_lock(&bus->mdio_lock);
bus->write(bus, 0x18, 0, page);
- msleep(1); /* wait for the page switch to propagate */
+ 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_lock(&bus->mdio_lock);
bus->write(bus, 0x18, 0, r3);
- msleep(1); /* wait for the page switch to propagate */
+ usleep_range(1000, 2000); /* wait for the page switch to propagate */
bus->write(bus, 0x10 | r2, r1 + 1, hi);
bus->write(bus, 0x10 | r2, r1, lo);
mutex_unlock(&bus->mdio_lock);
}
+static void
+ar8216_phy_dbg_write(struct ar8216_priv *priv, int phy_addr,
+ u16 dbg_addr, u16 dbg_data)
+{
+ struct mii_bus *bus = priv->phy->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 u32
ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
{
u32 v;
+ lockdep_assert_held(&priv->reg_mutex);
+
v = priv->read(priv, reg);
v &= ~mask;
v |= val;
return v;
}
-static inline int
-ar8216_id_chip(struct ar8216_priv *priv)
-{
- u32 val;
- u16 id;
- int i;
-
- val = ar8216_mii_read(priv, AR8216_REG_CTRL);
- if (val == ~0)
- return UNKNOWN;
-
- id = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
- for (i = 0; i < AR8X16_PROBE_RETRIES; i++) {
- u16 t;
-
- val = ar8216_mii_read(priv, AR8216_REG_CTRL);
- if (val == ~0)
- return UNKNOWN;
-
- t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
- if (t != id)
- return UNKNOWN;
- }
-
- switch (id) {
- case 0x0101:
- return AR8216;
- case 0x0301:
- return AR8236;
- case 0x1000:
- case 0x1001:
- return AR8316;
- default:
- printk(KERN_DEBUG
- "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n",
- (int)(id >> AR8216_CTRL_VERSION_S),
- (int)(id & AR8216_CTRL_REVISION),
- mdiobus_read(priv->phy->bus, priv->phy->addr, 2),
- mdiobus_read(priv->phy->bus, priv->phy->addr, 3));
-
- return UNKNOWN;
- }
-}
-
static void
ar8216_read_port_link(struct ar8216_priv *priv, int port,
struct switch_port_link *link)
memset(link, '\0', sizeof(*link));
- status = priv->read(priv, AR8216_REG_PORT_STATUS(port));
+ status = priv->chip->read_port_status(priv, port);
link->aneg = !!(status & AR8216_PORT_STATUS_LINK_AUTO);
if (link->aneg) {
}
}
-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);
-
- /* make sure no invalid PVIDs get set */
-
- if (vlan >= dev->vlans)
- return -EINVAL;
-
- 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 int
-ar8216_get_port_link(struct switch_dev *dev, int port,
- struct switch_port_link *link)
-{
- struct ar8216_priv *priv = to_ar8216(dev);
-
- ar8216_read_port_link(priv, port, link);
- return 0;
-}
-
static int
ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
{
struct ar8216_priv *priv = dev->phy_ptr;
unsigned char *buf;
- if (unlikely(!priv))
- goto error;
+ if (unlikely(!priv))
+ goto error;
if (!priv->vlan)
goto send;
return ar8216_mangle_rx(skb, 1);
}
-
-static struct switch_attr ar8216_globals[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_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 = "vid",
- .description = "VLAN ID (0-4094)",
- .set = ar8216_set_vid,
- .get = ar8216_get_vid,
- .max = 4094,
- },
-};
-
-
-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 < AR8X16_MAX_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)
{
priv->write(priv, AR8216_REG_VTU, op);
}
+static void
+ar8216_vtu_flush(struct ar8216_priv *priv)
+{
+ ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
+}
+
+static void
+ar8216_vtu_load_vlan(struct ar8216_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 ar8216_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 ar8216_priv *priv, int port)
+{
+ return priv->read(priv, AR8216_REG_PORT_STATUS(port));
+}
+
static void
ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress,
u32 members, u32 pvid)
{
u32 header;
- if (priv->vlan && port == AR8216_PORT_CPU && priv->chip == AR8216)
+ if (priv->vlan && port == AR8216_PORT_CPU && priv->chip_type == AR8216)
header = AR8216_PORT_CTRL_HEADER;
else
header = 0;
(pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
}
+static int
+ar8216_hw_init(struct ar8216_priv *priv)
+{
+ return 0;
+}
+
+static void
+ar8216_init_globals(struct ar8216_priv *priv)
+{
+ /* standard atheros magic */
+ priv->write(priv, 0x38, 0xc000050e);
+
+ ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+ AR8216_GCTRL_MTU, 1518 + 8 + 2);
+}
+
+static void
+ar8216_init_port(struct ar8216_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 |
+ ((priv->chip_type == AR8316) ? AR8216_PORT_STATUS_RXFLOW : 0) |
+ ((priv->chip_type == AR8316) ? 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 = {
+ .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,
+};
+
static void
ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress,
u32 members, u32 pvid)
}
static int
-ar8216_hw_apply(struct switch_dev *dev)
+ar8236_hw_init(struct ar8216_priv *priv)
{
- struct ar8216_priv *priv = to_ar8216(dev);
- u8 portmask[AR8216_NUM_PORTS];
- int i, j;
+ int i;
+ struct mii_bus *bus;
- mutex_lock(&priv->reg_mutex);
- /* flush all vlan translation unit entries */
- ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
-
- 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 < AR8216_NUM_PORTS; i++) {
- u8 mask = (1 << i);
- if (vp & mask)
- portmask[i] |= vp & ~mask;
- }
-
- 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) {
- if (priv->vlan_tagged & (1 << i))
- egress = AR8216_OUT_ADD_VLAN;
- else
- egress = AR8216_OUT_STRIP_VLAN;
- } else {
- egress = AR8216_OUT_KEEP;
- }
- if (priv->vlan) {
- ingress = AR8216_IN_SECURE;
- } else {
- ingress = AR8216_IN_PORT_ONLY;
- }
-
- if (priv->chip == AR8236)
- ar8236_setup_port(priv, i, egress, ingress, portmask[i],
- pvid);
- else
- ar8216_setup_port(priv, i, egress, ingress, portmask[i],
- pvid);
- }
- mutex_unlock(&priv->reg_mutex);
- return 0;
-}
-
-static int
-ar8236_hw_init(struct ar8216_priv *priv) {
- static int initialized;
- int i;
- struct mii_bus *bus;
-
- if (initialized)
- return 0;
+ if (priv->initialized)
+ return 0;
/* Initialize the PHYs */
bus = priv->phy->bus;
}
msleep(1000);
- initialized = true;
+ priv->initialized = true;
return 0;
}
+static void
+ar8236_init_globals(struct ar8216_priv *priv)
+{
+ /* enable jumbo frames */
+ ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+ AR8316_GCTRL_MTU, 9018 + 8 + 2);
+}
+
+static const struct ar8xxx_chip ar8236_chip = {
+ .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,
+};
+
static int
-ar8316_hw_init(struct ar8216_priv *priv) {
+ar8316_hw_init(struct ar8216_priv *priv)
+{
int i;
u32 val, newval;
struct mii_bus *bus;
priv->write(priv, 0x8, newval);
- /* standard atheros magic */
- priv->write(priv, 0x38, 0xc000050e);
-
/* Initialize the ports */
bus = priv->phy->bus;
for (i = 0; i < 5; i++) {
if ((i == 4) && priv->port4_phy &&
priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
/* work around for phy4 rgmii mode */
- mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x12);
- mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x480c);
+ ar8216_phy_dbg_write(priv, i, 0x12, 0x480c);
/* rx delay */
- mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x0);
- mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x824e);
+ ar8216_phy_dbg_write(priv, i, 0x0, 0x824e);
/* tx delay */
- mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x5);
- mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x3d47);
+ ar8216_phy_dbg_write(priv, i, 0x5, 0x3d47);
msleep(1000);
}
}
static void
-ar8216_init_port(struct ar8216_priv *priv, int port)
+ar8316_init_globals(struct ar8216_priv *priv)
{
- /* Enable port learning and tx */
- priv->write(priv, AR8216_REG_PORT_CTRL(port),
- AR8216_PORT_CTRL_LEARN |
- (4 << AR8216_PORT_CTRL_STATE_S));
+ /* standard atheros magic */
+ priv->write(priv, 0x38, 0xc000050e);
- priv->write(priv, AR8216_REG_PORT_VLAN(port), 0);
+ /* enable cpu port to receive multicast and broadcast frames */
+ priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f);
- if (port == AR8216_PORT_CPU) {
- priv->write(priv, AR8216_REG_PORT_STATUS(port),
- AR8216_PORT_STATUS_LINK_UP |
- ((priv->chip == AR8316) ?
- AR8216_PORT_SPEED_1000M : AR8216_PORT_SPEED_100M) |
- AR8216_PORT_STATUS_TXMAC |
- AR8216_PORT_STATUS_RXMAC |
- ((priv->chip == AR8316) ? AR8216_PORT_STATUS_RXFLOW : 0) |
- ((priv->chip == AR8316) ? AR8216_PORT_STATUS_TXFLOW : 0) |
- AR8216_PORT_STATUS_DUPLEX);
+ /* enable jumbo frames */
+ ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+ AR8316_GCTRL_MTU, 9018 + 8 + 2);
+}
+
+static const struct ar8xxx_chip ar8316_chip = {
+ .caps = AR8XXX_CAP_GIGE,
+ .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,
+};
+
+static int
+ar8216_sw_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_sw_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_sw_set_pvid(struct switch_dev *dev, int port, int vlan)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+
+ /* make sure no invalid PVIDs get set */
+
+ if (vlan >= dev->vlans)
+ return -EINVAL;
+
+ priv->pvid[port] = vlan;
+ return 0;
+}
+
+static int
+ar8216_sw_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_sw_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_sw_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 int
+ar8216_sw_get_port_link(struct switch_dev *dev, int port,
+ struct switch_port_link *link)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+
+ ar8216_read_port_link(priv, port, link);
+ return 0;
+}
+
+static int
+ar8216_sw_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 < 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
+ar8216_sw_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 < AR8X16_MAX_VLANS; j++) {
+ if (j == val->port_vlan)
+ continue;
+ priv->vlan_table[j] &= ~(1 << p->id);
+ }
+ }
+
+ *vt |= 1 << p->id;
+ }
+ return 0;
+}
+
+static int
+ar8216_sw_hw_apply(struct switch_dev *dev)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ u8 portmask[AR8216_NUM_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 {
- priv->write(priv, AR8216_REG_PORT_STATUS(port),
- AR8216_PORT_STATUS_LINK_AUTO);
+ /* 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);
}
+ mutex_unlock(&priv->reg_mutex);
+ return 0;
}
static int
-ar8216_reset_switch(struct switch_dev *dev)
+ar8216_sw_reset_switch(struct switch_dev *dev)
{
struct ar8216_priv *priv = to_ar8216(dev);
int i;
mutex_lock(&priv->reg_mutex);
memset(&priv->vlan, 0, sizeof(struct ar8216_priv) -
offsetof(struct ar8216_priv, vlan));
- for (i = 0; i < AR8X16_MAX_VLANS; i++) {
+
+ for (i = 0; i < AR8X16_MAX_VLANS; i++)
priv->vlan_id[i] = i;
- }
/* Configure all ports */
- for (i = 0; i < AR8216_NUM_PORTS; i++)
- ar8216_init_port(priv, i);
+ for (i = 0; i < dev->ports; i++)
+ priv->chip->init_port(priv, i);
- /* XXX: undocumented magic from atheros, required! */
- priv->write(priv, 0x38, 0xc000050e);
-
- if (priv->chip == AR8216) {
- ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
- AR8216_GCTRL_MTU, 1518 + 8 + 2);
- } else if (priv->chip == AR8316 ||
- priv->chip == AR8236) {
- /* enable jumbo frames */
- ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
- AR8316_GCTRL_MTU, 9018 + 8 + 2);
- }
-
- if (priv->chip == AR8316) {
- /* enable cpu port to receive multicast and broadcast frames */
- priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f);
- }
+ priv->chip->init_globals(priv);
mutex_unlock(&priv->reg_mutex);
- return ar8216_hw_apply(dev);
+
+ return ar8216_sw_hw_apply(dev);
}
+static struct switch_attr ar8216_globals[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_vlan",
+ .description = "Enable VLAN mode",
+ .set = ar8216_sw_set_vlan,
+ .get = ar8216_sw_get_vlan,
+ .max = 1
+ },
+};
+
+static struct switch_attr ar8216_port[] = {
+};
+
+static struct switch_attr ar8216_vlan[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "vid",
+ .description = "VLAN ID (0-4094)",
+ .set = ar8216_sw_set_vid,
+ .get = ar8216_sw_get_vid,
+ .max = 4094,
+ },
+};
-static const struct switch_dev_ops ar8216_ops = {
+static const struct switch_dev_ops ar8216_sw_ops = {
.attr_global = {
.attr = ar8216_globals,
.n_attr = ARRAY_SIZE(ar8216_globals),
.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,
- .get_port_link = ar8216_get_port_link,
+ .get_port_pvid = ar8216_sw_get_pvid,
+ .set_port_pvid = ar8216_sw_set_pvid,
+ .get_vlan_ports = ar8216_sw_get_ports,
+ .set_vlan_ports = ar8216_sw_set_ports,
+ .apply_config = ar8216_sw_hw_apply,
+ .reset_switch = ar8216_sw_reset_switch,
+ .get_port_link = ar8216_sw_get_port_link,
};
+static int
+ar8216_id_chip(struct ar8216_priv *priv)
+{
+ u32 val;
+ u16 id;
+ int i;
+
+ priv->chip_type = UNKNOWN;
+
+ val = ar8216_mii_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 = ar8216_mii_read(priv, AR8216_REG_CTRL);
+ if (val == ~0)
+ return -ENODEV;
+
+ t = val & (AR8216_CTRL_REVISION | AR8216_CTRL_VERSION);
+ if (t != id)
+ return -ENODEV;
+ }
+
+ switch (id) {
+ case 0x0101:
+ priv->chip_type = AR8216;
+ priv->chip = &ar8216_chip;
+ break;
+ case 0x0301:
+ priv->chip_type = AR8236;
+ priv->chip = &ar8236_chip;
+ break;
+ case 0x1000:
+ case 0x1001:
+ priv->chip_type = AR8316;
+ priv->chip = &ar8316_chip;
+ break;
+ default:
+ printk(KERN_DEBUG
+ "ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n",
+ (int)(id >> AR8216_CTRL_VERSION_S),
+ (int)(id & AR8216_CTRL_REVISION),
+ mdiobus_read(priv->phy->bus, priv->phy->addr, 2),
+ mdiobus_read(priv->phy->bus, priv->phy->addr, 3));
+
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
static int
ar8216_config_init(struct phy_device *pdev)
{
priv->phy = pdev;
- priv->chip = ar8216_id_chip(priv);
+ ret = ar8216_id_chip(priv);
+ if (ret)
+ goto err_free_priv;
if (pdev->addr != 0) {
- if (priv->chip == AR8316) {
+ if (ar8xxx_has_gige(priv)) {
pdev->supported |= SUPPORTED_1000baseT_Full;
pdev->advertising |= ADVERTISED_1000baseT_Full;
+ }
+ if (priv->chip_type == AR8316) {
/* check if we're attaching to the switch twice */
pdev = pdev->bus->phy_map[0];
if (!pdev) {
}
printk(KERN_INFO "%s: AR%d switch driver attached.\n",
- pdev->attached_dev->name, priv->chip);
+ pdev->attached_dev->name, priv->chip_type);
- pdev->supported = priv->chip == AR8316 ?
- SUPPORTED_1000baseT_Full : SUPPORTED_100baseT_Full;
+ if (ar8xxx_has_gige(priv))
+ pdev->supported = SUPPORTED_1000baseT_Full;
+ else
+ pdev->supported = SUPPORTED_100baseT_Full;
pdev->advertising = pdev->supported;
mutex_init(&priv->reg_mutex);
swdev = &priv->dev;
swdev->cpu_port = AR8216_PORT_CPU;
- swdev->ops = &ar8216_ops;
+ swdev->ops = &ar8216_sw_ops;
swdev->ports = AR8216_NUM_PORTS;
- if (priv->chip == AR8316) {
+ if (priv->chip_type == AR8316) {
swdev->name = "Atheros AR8316";
swdev->vlans = AR8X16_MAX_VLANS;
/* port 5 connected to the other mac, therefore unusable */
swdev->ports = (AR8216_NUM_PORTS - 1);
}
- } else if (priv->chip == AR8236) {
+ } else if (priv->chip_type == AR8236) {
swdev->name = "Atheros AR8236";
swdev->vlans = AR8216_NUM_VLANS;
swdev->ports = AR8216_NUM_PORTS;
priv->init = true;
- ret = 0;
- if (priv->chip == AR8236)
- ret = ar8236_hw_init(priv);
- else if (priv->chip == AR8316)
- ret = ar8316_hw_init(priv);
-
+ ret = priv->chip->hw_init(priv);
if (ret)
goto err_free_priv;
- ret = ar8216_reset_switch(&priv->dev);
+ ret = ar8216_sw_reset_switch(&priv->dev);
if (ret)
goto err_free_priv;
dev->phy_ptr = priv;
/* VID fixup only needed on ar8216 */
- if (pdev->addr == 0 && priv->chip == AR8216) {
+ if (pdev->addr == 0 && priv->chip_type == AR8216) {
pdev->pkt_align = 2;
pdev->netif_receive_skb = ar8216_netif_receive_skb;
pdev->netif_rx = ar8216_netif_rx;
struct ar8216_priv *priv = phydev->priv;
struct switch_port_link link;
int ret;
- if (phydev->addr != 0) {
+
+ if (phydev->addr != 0)
return genphy_read_status(phydev);
- }
ar8216_read_port_link(priv, phydev->addr, &link);
phydev->link = !!link.link;
switch (link.speed) {
case SWITCH_PORT_SPEED_10:
- phydev->speed = SPEED_10;
+ phydev->speed = SPEED_10;
break;
case SWITCH_PORT_SPEED_100:
- phydev->speed = SPEED_100;
+ phydev->speed = SPEED_100;
break;
case SWITCH_PORT_SPEED_1000:
- phydev->speed = SPEED_1000;
+ phydev->speed = SPEED_1000;
break;
default:
phydev->speed = 0;
/* flush the address translation unit */
mutex_lock(&priv->reg_mutex);
- ret = ar8216_wait_bit(priv, AR8216_REG_ATU, AR8216_ATU_ACTIVE, 0);
- if (!ret)
- priv->write(priv, AR8216_REG_ATU, AR8216_ATU_OP_FLUSH);
+ ret = priv->chip->atu_flush(priv);
mutex_unlock(&priv->reg_mutex);
phydev->state = PHY_RUNNING;
ar8216_probe(struct phy_device *pdev)
{
struct ar8216_priv priv;
- u16 chip;
priv.phy = pdev;
- chip = ar8216_id_chip(&priv);
- if (chip == UNKNOWN)
- return -ENODEV;
-
- return 0;
+ return ar8216_id_chip(&priv);
}
static void
projects / openwrt.git / blobdiff