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@ -44,6 +44,8 @@ struct ar8216_priv { |
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struct net_device_ops ndo; |
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struct mutex reg_mutex; |
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int chip; |
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bool initialized; |
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bool port4_phy; |
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/* all fields below are cleared on reset */ |
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bool vlan; |
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@ -511,32 +513,24 @@ ar8216_hw_apply(struct switch_dev *dev) |
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static int |
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ar8316_hw_init(struct ar8216_priv *priv) { |
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static int initialized; |
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int i; |
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u32 val; |
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u32 val, newval; |
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struct mii_bus *bus; |
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if (initialized) |
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return 0; |
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val = priv->read(priv, 0x8); |
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if (priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { |
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/* value taken from Ubiquiti RouterStation Pro */ |
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if (val == 0x81461bea) { |
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/* switch already intialized by bootloader */ |
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initialized = true; |
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return 0; |
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if (priv->port4_phy) { |
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/* value taken from Ubiquiti RouterStation Pro */ |
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newval = 0x81461bea; |
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printk(KERN_INFO "ar8316: Using port 4 as PHY\n"); |
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} else { |
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newval = 0x01261be2; |
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printk(KERN_INFO "ar8316: Using port 4 as switch port\n"); |
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} |
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priv->write(priv, 0x8, 0x81461bea); |
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} else if (priv->phy->interface == PHY_INTERFACE_MODE_GMII) { |
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/* value taken from AVM Fritz!Box 7390 sources */ |
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if (val == 0x010e5b71) { |
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/* switch already initialized by bootloader */ |
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initialized = true; |
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return 0; |
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} |
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priv->write(priv, 0x8, 0x010e5b71); |
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newval = 0x010e5b71; |
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} else { |
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/* no known value for phy interface */ |
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printk(KERN_ERR "ar8316: unsupported mii mode: %d.\n", |
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@ -544,14 +538,19 @@ ar8316_hw_init(struct ar8216_priv *priv) { |
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return -EINVAL; |
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} |
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if (val == newval) |
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goto out; |
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priv->write(priv, 0x8, newval); |
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/* standard atheros magic */ |
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priv->write(priv, 0x38, 0xc000050e); |
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/* Initialize the ports */ |
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bus = priv->phy->bus; |
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for (i = 0; i < 5; i++) { |
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if ((i == 4) && |
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priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { |
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if ((i == 4) && priv->port4_phy && |
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priv->phy->interface == PHY_INTERFACE_MODE_RGMII) { |
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/* work around for phy4 rgmii mode */ |
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bus->write(bus, i, MII_ATH_DBG_ADDR, 0x12); |
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bus->write(bus, i, MII_ATH_DBG_DATA, 0x480c); |
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@ -571,7 +570,9 @@ ar8316_hw_init(struct ar8216_priv *priv) { |
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bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE); |
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msleep(1000); |
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} |
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initialized = true; |
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out: |
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priv->initialized = true; |
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return 0; |
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} |
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@ -656,33 +657,58 @@ static const struct switch_dev_ops ar8216_ops = { |
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static int |
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ar8216_config_init(struct phy_device *pdev) |
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{ |
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struct ar8216_priv *priv; |
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struct ar8216_priv *priv = pdev->priv; |
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struct net_device *dev = pdev->attached_dev; |
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struct switch_dev *swdev; |
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int ret; |
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priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL); |
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if (priv == NULL) |
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return -ENOMEM; |
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if (!priv) { |
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priv = kzalloc(sizeof(struct ar8216_priv), GFP_KERNEL); |
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if (priv == NULL) |
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return -ENOMEM; |
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} |
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priv->phy = pdev; |
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priv->chip = ar8216_id_chip(priv); |
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if (pdev->addr == 0) |
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printk(KERN_INFO "%s: AR%d switch driver attached.\n", |
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pdev->attached_dev->name, priv->chip); |
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if (pdev->addr != 0) { |
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if (priv->chip == AR8316) { |
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pdev->supported |= SUPPORTED_1000baseT_Full; |
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pdev->advertising |= ADVERTISED_1000baseT_Full; |
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/* check if we're attaching to the switch twice */ |
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pdev = pdev->bus->phy_map[0]; |
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if (!pdev) { |
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kfree(priv); |
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return 0; |
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} |
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/* switch device has not been initialized, reuse priv */ |
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if (!pdev->priv) { |
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priv->port4_phy = true; |
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pdev->priv = priv; |
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return 0; |
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} |
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kfree(priv); |
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/* switch device has been initialized, reinit */ |
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priv = pdev->priv; |
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priv->dev.ports = (AR8216_NUM_PORTS - 1); |
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priv->initialized = false; |
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priv->port4_phy = true; |
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ar8316_hw_init(priv); |
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return 0; |
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} |
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kfree(priv); |
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return 0; |
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} |
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printk(KERN_INFO "%s: AR%d switch driver attached.\n", |
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pdev->attached_dev->name, priv->chip); |
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pdev->supported = priv->chip == AR8316 ? |
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SUPPORTED_1000baseT_Full : SUPPORTED_100baseT_Full; |
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pdev->advertising = pdev->supported; |
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@ -696,16 +722,19 @@ ar8216_config_init(struct phy_device *pdev) |
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swdev = &priv->dev; |
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swdev->cpu_port = AR8216_PORT_CPU; |
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swdev->ops = &ar8216_ops; |
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swdev->ports = AR8216_NUM_PORTS; |
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if (priv->chip == AR8316) { |
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swdev->name = "Atheros AR8316"; |
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swdev->vlans = AR8X16_MAX_VLANS; |
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/* port 5 connected to the other mac, therefore unusable */ |
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swdev->ports = (AR8216_NUM_PORTS - 1); |
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if (priv->port4_phy) { |
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/* port 5 connected to the other mac, therefore unusable */ |
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swdev->ports = (AR8216_NUM_PORTS - 1); |
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} |
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} else { |
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swdev->name = "Atheros AR8216"; |
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swdev->vlans = AR8216_NUM_VLANS; |
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swdev->ports = AR8216_NUM_PORTS; |
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} |
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if ((ret = register_switch(&priv->dev, pdev->attached_dev)) < 0) { |
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