enable IP175A support in the IP175C PHY driver (based on patch from jh in #6733)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20551 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c
index b780f86..1e83477 100644 (file)
--- a/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c
+++ b/target/linux/generic-2.6/files/drivers/net/phy/ip175c.c
@@ -195,20 +195,23 @@ static const struct register_mappings IP175A = {
 
        .ADD_TAG_REG = {0,23},
        .REMOVE_TAG_REG = {0,23},
-       .ADD_TAG_BIT = {11,12,13,14,15,1,-1,-1,-1},
-       .REMOVE_TAG_BIT = {6,7,8,9,10,0,-1,-1,-1},
+       .ADD_TAG_BIT = {11,12,13,14,15,-1,-1,-1,-1},
+       .REMOVE_TAG_BIT = {6,7,8,9,10,-1,-1,-1,-1},
 
-       .SIMPLE_VLAN_REGISTERS = 1,
+       .SIMPLE_VLAN_REGISTERS = 0,
 
-       // Only programmable via. EEPROM
-       .VLAN_LOOKUP_REG = NOTSUPPORTED,// +N/2
+       // Register 19-21 documentation is missing/contradictory.
+       // For registers 19-21 ports need to be: even numbers to MSB, odd to LSB.
+       // This contradicts text for ROM registers, but follows logic of CoS bits.
+
+       .VLAN_LOOKUP_REG = {0,19},// +N/2
        .VLAN_LOOKUP_REG_5 = NOTSUPPORTED,
-       .VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,15,-1,-1,-1},
-       .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,7,-1,-1,-1},
+       .VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,-1,-1,-1,-1},
+       .VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,-1,-1,-1,-1},
 
-       .TAG_VLAN_MASK_REG = NOTSUPPORTED, // +N/2
-       .TAG_VLAN_MASK_EVEN_BIT = {0,1,2,3,4,5,-1,-1,-1},
-       .TAG_VLAN_MASK_ODD_BIT = {8,9,10,11,12,13,-1,-1,-1},
+       .TAG_VLAN_MASK_REG = NOTSUPPORTED, // +N/2,
+       .TAG_VLAN_MASK_EVEN_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1},
+       .TAG_VLAN_MASK_ODD_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1},
 
        .RESET_VAL = -1,
        .RESET_REG = NOTSUPPORTED,
@@ -222,13 +225,14 @@ static const struct register_mappings IP175A = {
        .NUMLAN_GROUPS_MAX = -1,
        .NUMLAN_GROUPS_BIT = -1, // {0-2}
 
-       .NUM_PORTS = 6,
-       .CPU_PORT = 5,
+       .NUM_PORTS = 5,
+       .CPU_PORT = 4,
 
-       .MII_REGISTER_EN = {0, 12},
+       .MII_REGISTER_EN = {0, 18},
        .MII_REGISTER_EN_BIT = 7,
 };
 
+
 struct ip175c_state {
        struct switch_dev dev;
        struct mii_bus *mii_bus;
@@ -435,7 +439,7 @@ static int get_state(struct ip175c_state *state)
 
        if (state->vlan_enabled == -1) {
                // not sure how to get this...
-               state->vlan_enabled = (!state->remove_tag && !state->add_tag);
+               state->vlan_enabled = (state->remove_tag || state->add_tag);
        }
 
        if (REG_SUPP(state->regs->VLAN_LOOKUP_REG)) {
@@ -829,12 +833,14 @@ static int ip175c_reset(struct switch_dev *dev)
                err = getPhy(state, state->regs->MODE_REG);
        }
 
-       /* reset switch ports */
-       for (i = 0; i < 5; i++) {
-               err = state->mii_bus->write(state->mii_bus, i,
-                                        MII_BMCR, BMCR_RESET);
-               if (err < 0)
-                       return err;
+       if (REG_SUPP(state->regs->RESET_REG)) {
+               /* reset external phy ports, except on IP175A */
+               for (i = 0; i < state->regs->NUM_PORTS-1; i++) {
+                       err = state->mii_bus->write(state->mii_bus, i,
+                                                MII_BMCR, BMCR_RESET);
+                       if (err < 0)
+                               return err;
+               }
        }
 
        return 0;
@@ -1300,15 +1306,35 @@ static struct phy_driver ip175c_driver = {
        .driver         = { .owner = THIS_MODULE },
 };
 
+static struct phy_driver ip175a_driver = {
+       .name           = "IC+ IP175A",
+       .phy_id         = 0x02430c50,
+       .phy_id_mask    = 0x0ffffff0,
+       .features       = PHY_BASIC_FEATURES,
+       .probe          = ip175c_probe,
+       .remove         = ip175c_remove,
+       .config_init    = ip175c_config_init,
+       .config_aneg    = ip175c_config_aneg,
+       .read_status    = ip175c_read_status,
+       .driver         = { .owner = THIS_MODULE },
+};
+
 
 int __init ip175c_init(void)
 {
+       int ret;
+
+       ret = phy_driver_register(&ip175a_driver);
+       if (ret < 0)
+               return ret;
+
        return phy_driver_register(&ip175c_driver);
 }
 
 void __exit ip175c_exit(void)
 {
        phy_driver_unregister(&ip175c_driver);
+       phy_driver_unregister(&ip175a_driver);
 }
 
 MODULE_AUTHOR("Patrick Horn <patrick.horn@gmail.com>");