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authorFelix Fietkau <nbd@openwrt.org>2010-03-28 18:57:42 +0000
committerFelix Fietkau <nbd@openwrt.org>2010-03-28 18:57:42 +0000
commite4a6acf9b80cd9a9623ce7b697f1fe7455437a76 (patch)
tree920ce8e062d75a7cdfdfb379ebb9ceb12b3f1328 /target/linux
parent16e22d255996a0b8ad622207940cb3ed735f5c23 (diff)
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enable IP175A support in the IP175C PHY driver (based on patch from jh in #6733)
SVN-Revision: 20551
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/generic-2.6/files/drivers/net/phy/ip175c.c66
1 files changed, 46 insertions, 20 deletions
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
--- 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>");