From: Gabor Juhos <juhosg@openwrt.org>
Date: Sat, 12 Nov 2011 14:09:52 +0000 (+0000)
Subject: kernel: ar8216: add support for the AR8236 switch
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=bbfaaeffd6f02f87a02bab2d5e874873cd1788ca;p=openwrt%2Fstaging%2Fdangole.git

kernel: ar8216: add support for the AR8236 switch

SVN-Revision: 28993
---

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index cdbf1668b6..c79a92a0a1 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -144,6 +144,8 @@ ar8216_id_chip(struct ar8216_priv *priv)
 	switch (id) {
 	case 0x0101:
 		return AR8216;
+	case 0x0301:
+		return AR8236;
 	case 0x1000:
 	case 0x1001:
 		return AR8316;
@@ -513,6 +515,29 @@ ar8216_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress,
 		   (pvid << AR8216_PORT_VLAN_DEFAULT_ID_S));
 }
 
+static void
+ar8236_setup_port(struct ar8216_priv *priv, int port, u32 egress, u32 ingress,
+		  u32 members, u32 pvid)
+{
+	ar8216_rmw(priv, AR8216_REG_PORT_CTRL(port),
+		   AR8216_PORT_CTRL_LEARN | AR8216_PORT_CTRL_VLAN_MODE |
+		   AR8216_PORT_CTRL_SINGLE_VLAN | AR8216_PORT_CTRL_STATE |
+		   AR8216_PORT_CTRL_HEADER | AR8216_PORT_CTRL_LEARN_LOCK,
+		   AR8216_PORT_CTRL_LEARN |
+		   (egress << AR8216_PORT_CTRL_VLAN_MODE_S) |
+		   (AR8216_PORT_STATE_FORWARD << AR8216_PORT_CTRL_STATE_S));
+
+	ar8216_rmw(priv, AR8236_REG_PORT_VLAN(port),
+		   AR8236_PORT_VLAN_DEFAULT_ID,
+		   (pvid << AR8236_PORT_VLAN_DEFAULT_ID_S));
+
+	ar8216_rmw(priv, AR8236_REG_PORT_VLAN2(port),
+		   AR8236_PORT_VLAN2_VLAN_MODE |
+		   AR8236_PORT_VLAN2_MEMBER,
+		   (ingress << AR8236_PORT_VLAN2_VLAN_MODE_S) |
+		   (members << AR8236_PORT_VLAN2_MEMBER_S));
+}
+
 static int
 ar8216_hw_apply(struct switch_dev *dev)
 {
@@ -579,12 +604,40 @@ ar8216_hw_apply(struct switch_dev *dev)
 			ingress = AR8216_IN_PORT_ONLY;
 		}
 
-		ar8216_setup_port(priv, i, egress, ingress, portmask[i], pvid);
+		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;
+
+	/* Initialize the PHYs */
+	bus = priv->phy->bus;
+	for (i = 0; i < 5; i++) {
+		bus->write(bus, i, MII_ADVERTISE,
+			   ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
+			   ADVERTISE_PAUSE_ASYM);
+		bus->write(bus, i, MII_BMCR, BMCR_RESET | BMCR_ANENABLE);
+	}
+	msleep(1000);
+
+	initialized = true;
+	return 0;
+}
+
 static int
 ar8316_hw_init(struct ar8216_priv *priv) {
 	int i;
@@ -692,7 +745,8 @@ ar8216_reset_switch(struct switch_dev *dev)
 	if (priv->chip == AR8216) {
 		ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
 			AR8216_GCTRL_MTU, 1518 + 8 + 2);
-	} else if (priv->chip == AR8316) {
+	} else if (priv->chip == AR8316 ||
+		   priv->chip == AR8236) {
 		/* enable jumbo frames */
 		ar8216_rmw(priv, AR8216_REG_GLOBAL_CTRL,
 			AR8316_GCTRL_MTU, 9018 + 8 + 2);
@@ -806,6 +860,10 @@ 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) {
+		swdev->name = "Atheros AR8236";
+		swdev->vlans = AR8216_NUM_VLANS;
+		swdev->ports = AR8216_NUM_PORTS;
 	} else {
 		swdev->name = "Atheros AR8216";
 		swdev->vlans = AR8216_NUM_VLANS;
@@ -824,6 +882,14 @@ ar8216_config_init(struct phy_device *pdev)
 		}
 	}
 
+	if (priv->chip == AR8236) {
+		ret = ar8236_hw_init(priv);
+		if (ret) {
+			kfree(priv);
+			goto done;
+		}
+	}
+
 	ret = ar8216_reset_switch(&priv->dev);
 	if (ret) {
 		kfree(priv);
@@ -918,7 +984,7 @@ ar8216_remove(struct phy_device *pdev)
 
 static struct phy_driver ar8216_driver = {
 	.phy_id		= 0x004d0000,
-	.name		= "Atheros AR8216/AR8316",
+	.name		= "Atheros AR8216/AR8316/AR8326",
 	.phy_id_mask	= 0xffff0000,
 	.features	= PHY_BASIC_FEATURES,
 	.probe		= ar8216_probe,
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.h b/target/linux/generic/files/drivers/net/phy/ar8216.h
index 5a8fa3c003..886730c619 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.h
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.h
@@ -41,6 +41,7 @@
 
 #define AR8216_REG_GLOBAL_CTRL		0x0030
 #define   AR8216_GCTRL_MTU		BITS(0, 11)
+#define   AR8236_GCTRL_MTU		BITS(0, 14)
 #define   AR8316_GCTRL_MTU		BITS(0, 14)
 
 #define AR8216_REG_VTU			0x0040
@@ -62,6 +63,7 @@
 
 #define AR8216_REG_VTU_DATA		0x0044
 #define   AR8216_VTUDATA_MEMBER		BITS(0, 10)
+#define   AR8236_VTUDATA_MEMBER		BITS(0, 7)
 #define   AR8216_VTUDATA_VALID		BIT(11)
 
 #define AR8216_REG_ATU			0x0050
@@ -145,6 +147,20 @@
 #define AR8216_REG_PORT_RATE(_i)	(AR8216_PORT_OFFSET(_i) + 0x000c)
 #define AR8216_REG_PORT_PRIO(_i)	(AR8216_PORT_OFFSET(_i) + 0x0010)
 
+
+#define AR8236_REG_PORT_VLAN(_i)	(AR8216_PORT_OFFSET((_i)) + 0x0008)
+#define   AR8236_PORT_VLAN_DEFAULT_ID	BITS(16, 12)
+#define   AR8236_PORT_VLAN_DEFAULT_ID_S	16
+#define   AR8236_PORT_VLAN_PRIORITY	BITS(29, 3)
+#define   AR8236_PORT_VLAN_PRIORITY_S	28
+
+#define AR8236_REG_PORT_VLAN2(_i)	(AR8216_PORT_OFFSET((_i)) + 0x000c)
+#define   AR8236_PORT_VLAN2_MEMBER	BITS(16, 7)
+#define   AR8236_PORT_VLAN2_MEMBER_S	16
+#define   AR8236_PORT_VLAN2_TX_PRIO	BIT(23)
+#define   AR8236_PORT_VLAN2_VLAN_MODE	BITS(30, 2)
+#define   AR8236_PORT_VLAN2_VLAN_MODE_S	30
+
 /* port speed */
 enum {
         AR8216_PORT_SPEED_10M = 0,
@@ -181,7 +197,8 @@ enum {
 enum {
   UNKNOWN = 0,
   AR8216 = 8216,
-  AR8316 = 8316
+  AR8236 = 8236,
+  AR8316 = 8316,
 };
 
 #endif