kernel: ar8216: add support for the AR8236 switch

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28993 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index cdbf166..c79a92a 100644 (file)
--- 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)
 {
@@ -579,13 +604,41 @@ 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;
        u32 val, newval;
@@ -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 5a8fa3c..886730c 100644 (file)
--- 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