struct net_device_ops ndo;
struct mutex reg_mutex;
int chip;
+ bool initialized;
+ bool port4_phy;
+ char buf[80];
/* all fields below are cleared on reset */
bool vlan;
u16 lo, hi;
split_addr((u32) reg, &r1, &r2, &page);
- phy->bus->write(phy->bus, 0x18, 0, page);
+ mdiobus_write(phy->bus, 0x18, 0, page);
msleep(1); /* wait for the page switch to propagate */
- lo = phy->bus->read(phy->bus, 0x10 | r2, r1);
- hi = phy->bus->read(phy->bus, 0x10 | r2, r1 + 1);
+ lo = mdiobus_read(phy->bus, 0x10 | r2, r1);
+ hi = mdiobus_read(phy->bus, 0x10 | r2, r1 + 1);
return (hi << 16) | lo;
}
u16 lo, hi;
split_addr((u32) reg, &r1, &r2, &r3);
- phy->bus->write(phy->bus, 0x18, 0, r3);
+ mdiobus_write(phy->bus, 0x18, 0, r3);
msleep(1); /* wait for the page switch to propagate */
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);
+ mdiobus_write(phy->bus, 0x10 | r2, r1 + 1, hi);
+ mdiobus_write(phy->bus, 0x10 | r2, r1, lo);
}
static u32
"ar8216: Unknown Atheros device [ver=%d, rev=%d, phy_id=%04x%04x]\n",
(int)(id >> AR8216_CTRL_VERSION_S),
(int)(id & AR8216_CTRL_REVISION),
- priv->phy->bus->read(priv->phy->bus, priv->phy->addr, 2),
- priv->phy->bus->read(priv->phy->bus, priv->phy->addr, 3));
+ mdiobus_read(priv->phy->bus, priv->phy->addr, 2),
+ mdiobus_read(priv->phy->bus, priv->phy->addr, 3));
return UNKNOWN;
}
return 0;
}
+static const char *ar8216_speed_str(unsigned speed)
+{
+ switch (speed) {
+ case AR8216_PORT_SPEED_10M:
+ return "10baseT";
+ case AR8216_PORT_SPEED_100M:
+ return "100baseT";
+ case AR8216_PORT_SPEED_1000M:
+ return "1000baseT";
+ }
+
+ return "unknown";
+}
+
+static int ar8216_port_get_link(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct ar8216_priv *priv = to_ar8216(dev);
+ u32 len;
+ u32 status;
+ int port;
+
+ port = val->port_vlan;
+
+ memset(priv->buf, '\0', sizeof(priv->buf));
+ status = priv->read(priv, AR8216_REG_PORT_STATUS(port));
+
+ if (status & AR8216_PORT_STATUS_LINK_UP) {
+ len = snprintf(priv->buf, sizeof(priv->buf),
+ "port:%d link:up speed:%s %s-duplex %s%s%s",
+ port,
+ ar8216_speed_str((status &
+ AR8216_PORT_STATUS_SPEED) >>
+ AR8216_PORT_STATUS_SPEED_S),
+ (status & AR8216_PORT_STATUS_DUPLEX) ?
+ "full" : "half",
+ (status & AR8216_PORT_STATUS_TXFLOW) ?
+ "txflow ": "",
+ (status & AR8216_PORT_STATUS_RXFLOW) ?
+ "rxflow " : "",
+ (status & AR8216_PORT_STATUS_LINK_AUTO) ?
+ "auto ": "");
+ } else {
+ len = snprintf(priv->buf, sizeof(priv->buf), "port:%d link:down",
+ port);
+ }
+
+ val->value.s = priv->buf;
+ val->len = len;
+
+ return 0;
+}
static int
ar8216_mangle_tx(struct sk_buff *skb, struct net_device *dev)
};
static struct switch_attr ar8216_port[] = {
+ {
+ .type = SWITCH_TYPE_STRING,
+ .name = "link",
+ .description = "Get port link information",
+ .max = 1,
+ .set = NULL,
+ .get = ar8216_port_get_link,
+ },
};
static struct switch_attr ar8216_vlan[] = {
static int
ar8316_hw_init(struct ar8216_priv *priv) {
- static int initialized;
int i;
- u32 val;
+ u32 val, newval;
struct mii_bus *bus;
- if (initialized)
- return 0;
-
val = priv->read(priv, 0x8);
if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
- /* value taken from Ubiquiti RouterStation Pro */
- if (val == 0x81461bea) {
- /* switch already intialized by bootloader */
- initialized = true;
- return 0;
+ if (priv->port4_phy) {
+ /* value taken from Ubiquiti RouterStation Pro */
+ newval = 0x81461bea;
+ printk(KERN_INFO "ar8316: Using port 4 as PHY\n");
+ } else {
+ newval = 0x01261be2;
+ printk(KERN_INFO "ar8316: Using port 4 as switch port\n");
}
- priv->write(priv, 0x8, 0x81461bea);
} else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) {
/* value taken from AVM Fritz!Box 7390 sources */
- if (val == 0x010e5b71) {
- /* switch already initialized by bootloader */
- initialized = true;
- return 0;
- }
- priv->write(priv, 0x8, 0x010e5b71);
+ newval = 0x010e5b71;
} else {
/* no known value for phy interface */
printk(KERN_ERR "ar8316: unsupported mii mode: %d.\n",
return -EINVAL;
}
+ if (val == newval)
+ goto out;
+
+ 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->phy->interface == PHY_INTERFACE_MODE_RGMII) {
+ if ((i == 4) && priv->port4_phy &&
+ priv->phy->interface == PHY_INTERFACE_MODE_RGMII) {
/* work around for phy4 rgmii mode */
- bus->write(bus, i, MII_ATH_DBG_ADDR, 0x12);
- bus->write(bus, i, MII_ATH_DBG_DATA, 0x480c);
+ mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x12);
+ mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x480c);
/* rx delay */
- bus->write(bus, i, MII_ATH_DBG_ADDR, 0x0);
- bus->write(bus, i, MII_ATH_DBG_DATA, 0x824e);
+ mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x0);
+ mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x824e);
/* tx delay */
- bus->write(bus, i, MII_ATH_DBG_ADDR, 0x5);
- bus->write(bus, i, MII_ATH_DBG_DATA, 0x3d47);
+ mdiobus_write(bus, i, MII_ATH_DBG_ADDR, 0x5);
+ mdiobus_write(bus, i, MII_ATH_DBG_DATA, 0x3d47);
msleep(1000);
}
/* initialize the port itself */
- bus->write(bus, i, MII_ADVERTISE,
+ mdiobus_write(bus, i, MII_ADVERTISE,
ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
- bus->write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL);
- bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
+ mdiobus_write(bus, i, MII_CTRL1000, ADVERTISE_1000FULL);
+ mdiobus_write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
msleep(1000);
}
- initialized = true;
+
+out:
+ priv->initialized = true;
return 0;
}
static int
ar8216_config_init(struct phy_device *pdev)
{
- struct ar8216_priv *priv;
+ struct ar8216_priv *priv = pdev->priv;
struct net_device *dev = pdev->attached_dev;
struct switch_dev *swdev;
int ret;
- priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL);
- if (priv == NULL)
- return -ENOMEM;
+ if (!priv) {
+ priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return -ENOMEM;
+ }
priv->phy = pdev;
priv->chip = ar8216_id_chip(priv);
- if (pdev->addr == 0)
- printk(KERN_INFO "%s: AR%d switch driver attached.\n",
- pdev->attached_dev->name, priv->chip);
-
-
if (pdev->addr != 0) {
if (priv->chip == AR8316) {
pdev->supported |= SUPPORTED_1000baseT_Full;
pdev->advertising |= ADVERTISED_1000baseT_Full;
+
+ /* check if we're attaching to the switch twice */
+ pdev = pdev->bus->phy_map[0];
+ if (!pdev) {
+ kfree(priv);
+ return 0;
+ }
+
+ /* switch device has not been initialized, reuse priv */
+ if (!pdev->priv) {
+ priv->port4_phy = true;
+ pdev->priv = priv;
+ return 0;
+ }
+
+ kfree(priv);
+
+ /* switch device has been initialized, reinit */
+ priv = pdev->priv;
+ priv->dev.ports = (AR8216_NUM_PORTS - 1);
+ priv->initialized = false;
+ priv->port4_phy = true;
+ ar8316_hw_init(priv);
+ return 0;
}
+
kfree(priv);
return 0;
}
+ printk(KERN_INFO "%s: AR%d switch driver attached.\n",
+ pdev->attached_dev->name, priv->chip);
+
pdev->supported = priv->chip == AR8316 ?
SUPPORTED_1000baseT_Full : SUPPORTED_100baseT_Full;
pdev->advertising = pdev->supported;
swdev = &priv->dev;
swdev->cpu_port = AR8216_PORT_CPU;
swdev->ops = &ar8216_ops;
+ swdev->ports = AR8216_NUM_PORTS;
if (priv->chip == 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);
+
+ if (priv->port4_phy) {
+ /* port 5 connected to the other mac, therefore unusable */
+ swdev->ports = (AR8216_NUM_PORTS - 1);
+ }
} else {
swdev->name = "Atheros AR8216";
swdev->vlans = AR8216_NUM_VLANS;
- swdev->ports = AR8216_NUM_PORTS;
}
if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) {
projects / openwrt.git / blobdiff