X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Ffiles%2Fdrivers%2Fnet%2Fphy%2Far8216.c;h=d514ec724f6a21b9f23b1e598ace52eac7587d9e;hb=c097ab2bbd8d45e3cc0075cf27dca6f76cb5efe5;hp=ffa561b36cb5379082668a8b51032ea08d81ea9e;hpb=86b5f9e15f37d932d9bba3b7ef81ade0085c40dd;p=openwrt.git

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index ffa561b36c..d514ec724f 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -36,6 +36,18 @@
 #define AR8X16_MAX_VLANS	128
 #define AR8X16_PROBE_RETRIES	10
 
+struct ar8216_priv;
+
+struct ar8xxx_chip {
+	int (*hw_init)(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);
+	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;
@@ -44,7 +56,8 @@ struct ar8216_priv {
 	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];
@@ -145,57 +158,6 @@ ar8216_rmw(struct ar8216_priv *priv, int reg, u32 mask, u32 val)
 	return v;
 }
 
-static inline int
-ar8216_id_chip(struct ar8216_priv *priv)
-{
-	u32 val;
-	u16 id;
-	int i;
-
-	priv->chip = 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 = AR8216;
-		break;
-	case 0x0301:
-		priv->chip = AR8236;
-		break;
-	case 0x1000:
-	case 0x1001:
-		priv->chip = AR8316;
-		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 void
 ar8216_read_port_link(struct ar8216_priv *priv, int port,
 		      struct switch_port_link *link)
@@ -523,12 +485,39 @@ ar8216_vtu_op(struct ar8216_priv *priv, u32 op, u32 val)
 }
 
 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 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;
@@ -581,7 +570,7 @@ ar8216_hw_apply(struct switch_dev *dev)
 
 	mutex_lock(&priv->reg_mutex);
 	/* flush all vlan translation unit entries */
-	ar8216_vtu_op(priv, AR8216_VTU_OP_FLUSH, 0);
+	priv->chip->vtu_flush(priv);
 
 	memset(portmask, 0, sizeof(portmask));
 	if (!priv->init) {
@@ -599,10 +588,8 @@ ar8216_hw_apply(struct switch_dev *dev)
 					portmask[i] |= vp & ~mask;
 			}
 
-			ar8216_vtu_op(priv,
-				AR8216_VTU_OP_LOAD |
-				(priv->vlan_id[j] << AR8216_VTU_VID_S),
-				priv->vlan_table[j]);
+			priv->chip->vtu_load_vlan(priv, priv->vlan_id[j],
+						 priv->vlan_table[j]);
 		}
 	} else {
 		/* vlan disabled:
@@ -621,31 +608,21 @@ ar8216_hw_apply(struct switch_dev *dev)
 		int egress, ingress;
 		int pvid;
 
-		if (priv->vlan)
-			pvid = priv->vlan_id[priv->pvid[i]];
-		else
-			pvid = i;
-
 		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;
-		}
-
-		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);
+		priv->chip->setup_port(priv, i, egress, ingress, portmask[i],
+				       pvid);
 	}
 	mutex_unlock(&priv->reg_mutex);
 	return 0;
@@ -654,11 +631,6 @@ ar8216_hw_apply(struct switch_dev *dev)
 static int
 ar8216_hw_init(struct ar8216_priv *priv)
 {
-	/* XXX: undocumented magic from atheros, required! */
-	priv->write(priv, 0x38, 0xc000050e);
-
-	ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
-		   AR8216_GCTRL_MTU, 1518 + 8 + 2);
 	return 0;
 }
 
@@ -681,10 +653,6 @@ ar8236_hw_init(struct ar8216_priv *priv)
 	}
 	msleep(1000);
 
-	/* enable jumbo frames */
-	ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
-		   AR8316_GCTRL_MTU, 9018 + 8 + 2);
-
 	priv->initialized = true;
 	return 0;
 }
@@ -722,9 +690,6 @@ ar8316_hw_init(struct ar8216_priv *priv)
 
 	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++) {
@@ -747,19 +712,39 @@ ar8316_hw_init(struct ar8216_priv *priv)
 		msleep(1000);
 	}
 
-	/* enable jumbo frames */
-	ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
-		   AR8316_GCTRL_MTU, 9018 + 8 + 2);
-
-	/* enable cpu port to receive multicast and broadcast frames */
-	priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f);
-
 out:
 	priv->initialized = true;
 	return 0;
 }
 
 static void
+ar8216_init_globals(struct ar8216_priv *priv)
+{
+	switch (priv->chip_type) {
+	case AR8216:
+		/* standard atheros magic */
+		priv->write(priv, 0x38, 0xc000050e);
+
+		ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+			   AR8216_GCTRL_MTU, 1518 + 8 + 2);
+		break;
+	case AR8316:
+		/* standard atheros magic */
+		priv->write(priv, 0x38, 0xc000050e);
+
+		/* enable cpu port to receive multicast and broadcast frames */
+		priv->write(priv, AR8216_REG_FLOOD_MASK, 0x003f003f);
+
+		/* fall through */
+	case AR8236:
+		/* enable jumbo frames */
+		ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
+			   AR8316_GCTRL_MTU, 9018 + 8 + 2);
+		break;
+	}
+}
+
+static void
 ar8216_init_port(struct ar8216_priv *priv, int port)
 {
 	/* Enable port learning and tx */
@@ -772,12 +757,12 @@ ar8216_init_port(struct ar8216_priv *priv, int port)
 	if (port == AR8216_PORT_CPU) {
 		priv->write(priv, AR8216_REG_PORT_STATUS(port),
 			AR8216_PORT_STATUS_LINK_UP |
-			((priv->chip == AR8316) ?
+			((priv->chip_type == 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) |
+			((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),
@@ -785,6 +770,33 @@ ar8216_init_port(struct ar8216_priv *priv, int port)
 	}
 }
 
+static const struct ar8xxx_chip ar8216_chip = {
+	.hw_init = ar8216_hw_init,
+	.init_port = ar8216_init_port,
+	.setup_port = ar8216_setup_port,
+	.atu_flush = ar8216_atu_flush,
+	.vtu_flush = ar8216_vtu_flush,
+	.vtu_load_vlan = ar8216_vtu_load_vlan,
+};
+
+static const struct ar8xxx_chip ar8236_chip = {
+	.hw_init = ar8236_hw_init,
+	.init_port = ar8216_init_port,
+	.setup_port = ar8236_setup_port,
+	.atu_flush = ar8216_atu_flush,
+	.vtu_flush = ar8216_vtu_flush,
+	.vtu_load_vlan = ar8216_vtu_load_vlan,
+};
+
+static const struct ar8xxx_chip ar8316_chip = {
+	.hw_init = ar8316_hw_init,
+	.init_port = ar8216_init_port,
+	.setup_port = ar8216_setup_port,
+	.atu_flush = ar8216_atu_flush,
+	.vtu_flush = ar8216_vtu_flush,
+	.vtu_load_vlan = ar8216_vtu_load_vlan,
+};
+
 static int
 ar8216_reset_switch(struct switch_dev *dev)
 {
@@ -800,14 +812,15 @@ ar8216_reset_switch(struct switch_dev *dev)
 
 	/* Configure all ports */
 	for (i = 0; i < AR8216_NUM_PORTS; i++)
-		ar8216_init_port(priv, i);
+		priv->chip->init_port(priv, i);
 
+	ar8216_init_globals(priv);
 	mutex_unlock(&priv->reg_mutex);
+
 	return ar8216_hw_apply(dev);
 }
 
-
-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),
@@ -830,6 +843,60 @@ static const struct switch_dev_ops ar8216_ops = {
 };
 
 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)
 {
 	struct ar8216_priv *priv = pdev->priv;
@@ -850,7 +917,7 @@ ar8216_config_init(struct phy_device *pdev)
 		goto err_free_priv;
 
 	if (pdev->addr != 0) {
-		if (priv->chip == AR8316) {
+		if (priv->chip_type == AR8316) {
 			pdev->supported |= SUPPORTED_1000baseT_Full;
 			pdev->advertising |= ADVERTISED_1000baseT_Full;
 
@@ -884,9 +951,9 @@ ar8216_config_init(struct phy_device *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 ?
+	pdev->supported = priv->chip_type == AR8316 ?
 		SUPPORTED_1000baseT_Full : SUPPORTED_100baseT_Full;
 	pdev->advertising = pdev->supported;
 
@@ -898,10 +965,10 @@ ar8216_config_init(struct phy_device *pdev)
 
 	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;
 
@@ -909,7 +976,7 @@ ar8216_config_init(struct phy_device *pdev)
 			/* 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;
@@ -924,14 +991,7 @@ ar8216_config_init(struct phy_device *pdev)
 
 	priv->init = true;
 
-	ret = 0;
-	if (priv->chip == AR8216)
-		ret = ar8216_hw_init(priv);
-	else 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;
 
@@ -942,7 +1002,7 @@ ar8216_config_init(struct phy_device *pdev)
 	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;
@@ -993,9 +1053,7 @@ ar8216_read_status(struct phy_device *phydev)
 
 	/* 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;