enable IP175A support in the IP175C PHY driver (based on patch from jh in #6733)
SVN-Revision: 20551
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16e22d2559
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e4a6acf9b8
1 changed files with 46 additions and 20 deletions
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@ -195,20 +195,23 @@ static const struct register_mappings IP175A = {
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.ADD_TAG_REG = {0,23},
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.REMOVE_TAG_REG = {0,23},
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.ADD_TAG_BIT = {11,12,13,14,15,1,-1,-1,-1},
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.REMOVE_TAG_BIT = {6,7,8,9,10,0,-1,-1,-1},
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.ADD_TAG_BIT = {11,12,13,14,15,-1,-1,-1,-1},
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.REMOVE_TAG_BIT = {6,7,8,9,10,-1,-1,-1,-1},
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.SIMPLE_VLAN_REGISTERS = 1,
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.SIMPLE_VLAN_REGISTERS = 0,
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// Only programmable via. EEPROM
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.VLAN_LOOKUP_REG = NOTSUPPORTED,// +N/2
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// Register 19-21 documentation is missing/contradictory.
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// For registers 19-21 ports need to be: even numbers to MSB, odd to LSB.
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// This contradicts text for ROM registers, but follows logic of CoS bits.
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.VLAN_LOOKUP_REG = {0,19},// +N/2
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.VLAN_LOOKUP_REG_5 = NOTSUPPORTED,
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.VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,15,-1,-1,-1},
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.VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,7,-1,-1,-1},
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.VLAN_LOOKUP_EVEN_BIT = {8,9,10,11,12,-1,-1,-1,-1},
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.VLAN_LOOKUP_ODD_BIT = {0,1,2,3,4,-1,-1,-1,-1},
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.TAG_VLAN_MASK_REG = NOTSUPPORTED, // +N/2
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.TAG_VLAN_MASK_EVEN_BIT = {0,1,2,3,4,5,-1,-1,-1},
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.TAG_VLAN_MASK_ODD_BIT = {8,9,10,11,12,13,-1,-1,-1},
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.TAG_VLAN_MASK_REG = NOTSUPPORTED, // +N/2,
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.TAG_VLAN_MASK_EVEN_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1},
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.TAG_VLAN_MASK_ODD_BIT = {-1,-1,-1,-1,-1,-1,-1,-1,-1},
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.RESET_VAL = -1,
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.RESET_REG = NOTSUPPORTED,
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@ -222,13 +225,14 @@ static const struct register_mappings IP175A = {
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.NUMLAN_GROUPS_MAX = -1,
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.NUMLAN_GROUPS_BIT = -1, // {0-2}
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.NUM_PORTS = 6,
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.CPU_PORT = 5,
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.NUM_PORTS = 5,
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.CPU_PORT = 4,
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.MII_REGISTER_EN = {0, 12},
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.MII_REGISTER_EN = {0, 18},
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.MII_REGISTER_EN_BIT = 7,
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};
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struct ip175c_state {
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struct switch_dev dev;
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struct mii_bus *mii_bus;
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@ -435,7 +439,7 @@ static int get_state(struct ip175c_state *state)
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if (state->vlan_enabled == -1) {
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// not sure how to get this...
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state->vlan_enabled = (!state->remove_tag && !state->add_tag);
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state->vlan_enabled = (state->remove_tag || state->add_tag);
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}
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if (REG_SUPP(state->regs->VLAN_LOOKUP_REG)) {
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@ -829,12 +833,14 @@ static int ip175c_reset(struct switch_dev *dev)
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err = getPhy(state, state->regs->MODE_REG);
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}
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/* reset switch ports */
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for (i = 0; i < 5; i++) {
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err = state->mii_bus->write(state->mii_bus, i,
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MII_BMCR, BMCR_RESET);
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if (err < 0)
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return err;
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if (REG_SUPP(state->regs->RESET_REG)) {
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/* reset external phy ports, except on IP175A */
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for (i = 0; i < state->regs->NUM_PORTS-1; i++) {
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err = state->mii_bus->write(state->mii_bus, i,
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MII_BMCR, BMCR_RESET);
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if (err < 0)
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return err;
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}
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}
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return 0;
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@ -1300,15 +1306,35 @@ static struct phy_driver ip175c_driver = {
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.driver = { .owner = THIS_MODULE },
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};
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static struct phy_driver ip175a_driver = {
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.name = "IC+ IP175A",
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.phy_id = 0x02430c50,
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.phy_id_mask = 0x0ffffff0,
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.features = PHY_BASIC_FEATURES,
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.probe = ip175c_probe,
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.remove = ip175c_remove,
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.config_init = ip175c_config_init,
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.config_aneg = ip175c_config_aneg,
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.read_status = ip175c_read_status,
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.driver = { .owner = THIS_MODULE },
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};
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int __init ip175c_init(void)
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{
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int ret;
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ret = phy_driver_register(&ip175a_driver);
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if (ret < 0)
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return ret;
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return phy_driver_register(&ip175c_driver);
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}
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void __exit ip175c_exit(void)
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{
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phy_driver_unregister(&ip175c_driver);
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phy_driver_unregister(&ip175a_driver);
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}
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MODULE_AUTHOR("Patrick Horn <patrick.horn@gmail.com>");
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