struct net_device_ops ndo;
struct mutex reg_mutex;
int chip;
+ bool initialized;
+ bool port4_phy;
/* all fields below are cleared on reset */
bool vlan;
u8 vlan_tagged;
u16 pvid[AR8216_NUM_PORTS];
};
-static struct switch_dev athdev;
#define to_ar8216(_dev) container_of(_dev, struct ar8216_priv, dev)
switch (id) {
case 0x0101:
return AR8216;
+ case 0x1000:
case 0x1001:
return AR8316;
default:
static struct switch_attr ar8216_vlan[] = {
{
.type = SWITCH_TYPE_INT,
- .name = "pvid",
- .description = "VLAN ID",
+ .name = "vid",
+ .description = "VLAN ID (0-4094)",
.set = ar8216_set_vid,
.get = ar8216_get_vid,
.max = 4094,
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);
bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
msleep(1000);
}
- initialized = true;
+
+out:
+ priv->initialized = true;
return 0;
}
return ar8216_hw_apply(dev);
}
+
+static const struct switch_dev_ops ar8216_ops = {
+ .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 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;
mutex_init(&priv->reg_mutex);
priv->read = ar8216_mii_read;
priv->write = ar8216_mii_write;
- memcpy(&priv->dev, &athdev, sizeof(struct switch_dev));
+
pdev->priv = priv;
+ swdev = &priv->dev;
+ swdev->cpu_port = AR8216_PORT_CPU;
+ swdev->ops = &ar8216_ops;
+ swdev->ports = AR8216_NUM_PORTS;
+
if (priv->chip == AR8316) {
- priv->dev.name = "Atheros AR8316";
- priv->dev.vlans = AR8X16_MAX_VLANS;
- /* port 5 connected to the other mac, therefore unusable */
- priv->dev.ports = (AR8216_NUM_PORTS - 1);
+ swdev->name = "Atheros AR8316";
+ swdev->vlans = AR8X16_MAX_VLANS;
+
+ 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;
}
if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) {
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 = {
.phy_id = 0x004d0000,
.name = "Atheros AR8216/AR8316",
projects / openwrt.git / blobdiff