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ixgbe: Use generic MDIO definitions and functions

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Compile-tested only.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
2009-04-29 08:08:58 +00:00
committed by David S. Miller
parent 0f07c4ee8c
commit 6b73e10d2d
6 changed files with 102 additions and 119 deletions
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95
drivers/net/ixgbe/ixgbe_phy.c
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@@ -44,7 +44,6 @@ static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data);
static bool ixgbe_get_i2c_data(u32 *i2cctl);
static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw);
static bool ixgbe_validate_phy_addr(struct ixgbe_hw *hw, u32 phy_addr);
static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id);
static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw);
@@ -61,8 +60,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
if (hw->phy.type == ixgbe_phy_unknown) {
for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
if (ixgbe_validate_phy_addr(hw, phy_addr)) {
hw->phy.addr = phy_addr;
if (mdio45_probe(&hw->phy.mdio, phy_addr) == 0) {
ixgbe_get_phy_id(hw);
hw->phy.type =
ixgbe_get_phy_type_from_id(hw->phy.id);
@@ -77,26 +75,6 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
return status;
}
/**
* ixgbe_validate_phy_addr - Determines phy address is valid
* @hw: pointer to hardware structure
*
**/
static bool ixgbe_validate_phy_addr(struct ixgbe_hw *hw, u32 phy_addr)
{
u16 phy_id = 0;
bool valid = false;
hw->phy.addr = phy_addr;
hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_ID_HIGH,
IXGBE_MDIO_PMA_PMD_DEV_TYPE, &phy_id);
if (phy_id != 0xFFFF && phy_id != 0x0)
valid = true;
return valid;
}
/**
* ixgbe_get_phy_id - Get the phy type
* @hw: pointer to hardware structure
@@ -108,14 +86,12 @@ static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw)
u16 phy_id_high = 0;
u16 phy_id_low = 0;
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_ID_HIGH,
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
status = hw->phy.ops.read_reg(hw, MDIO_DEVID1, MDIO_MMD_PMAPMD,
&phy_id_high);
if (status == 0) {
hw->phy.id = (u32)(phy_id_high << 16);
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_ID_LOW,
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
status = hw->phy.ops.read_reg(hw, MDIO_DEVID2, MDIO_MMD_PMAPMD,
&phy_id_low);
hw->phy.id |= (u32)(phy_id_low & IXGBE_PHY_REVISION_MASK);
hw->phy.revision = (u32)(phy_id_low & ~IXGBE_PHY_REVISION_MASK);
@@ -160,9 +136,8 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
* Perform soft PHY reset to the PHY_XS.
* This will cause a soft reset to the PHY
*/
return hw->phy.ops.write_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
IXGBE_MDIO_PHY_XS_DEV_TYPE,
IXGBE_MDIO_PHY_XS_RESET);
return hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS,
MDIO_CTRL1_RESET);
}
/**
@@ -192,7 +167,7 @@ s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
/* Setup and write the address cycle command */
command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
(device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
(hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
(hw->phy.mdio.prtad << IXGBE_MSCA_PHY_ADDR_SHIFT) |
(IXGBE_MSCA_ADDR_CYCLE | IXGBE_MSCA_MDI_COMMAND));
IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
@@ -223,7 +198,8 @@ s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
*/
command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
(device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
(hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
(hw->phy.mdio.prtad <<
IXGBE_MSCA_PHY_ADDR_SHIFT) |
(IXGBE_MSCA_READ | IXGBE_MSCA_MDI_COMMAND));
IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
@@ -292,7 +268,7 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
/* Setup and write the address cycle command */
command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
(device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
(hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
(hw->phy.mdio.prtad << IXGBE_MSCA_PHY_ADDR_SHIFT) |
(IXGBE_MSCA_ADDR_CYCLE | IXGBE_MSCA_MDI_COMMAND));
IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
@@ -323,7 +299,8 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
*/
command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
(device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
(hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
(hw->phy.mdio.prtad <<
IXGBE_MSCA_PHY_ADDR_SHIFT) |
(IXGBE_MSCA_WRITE | IXGBE_MSCA_MDI_COMMAND));
IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
@@ -365,7 +342,7 @@ s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw)
s32 status = IXGBE_NOT_IMPLEMENTED;
u32 time_out;
u32 max_time_out = 10;
u16 autoneg_reg = IXGBE_MII_AUTONEG_REG;
u16 autoneg_reg;
/*
* Set advertisement settings in PHY based on autoneg_advertised
@@ -373,36 +350,31 @@ s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw)
* tnx devices cannot be "forced" to a autoneg 10G and fail. But can
* for a 1G.
*/
hw->phy.ops.read_reg(hw, IXGBE_MII_SPEED_SELECTION_REG,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_reg);
hw->phy.ops.read_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, &autoneg_reg);
if (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_1GB_FULL)
autoneg_reg &= 0xEFFF; /* 0 in bit 12 is 1G operation */
autoneg_reg &= ~MDIO_AN_10GBT_CTRL_ADV10G;
else
autoneg_reg |= 0x1000; /* 1 in bit 12 is 10G/1G operation */
autoneg_reg |= MDIO_AN_10GBT_CTRL_ADV10G;
hw->phy.ops.write_reg(hw, IXGBE_MII_SPEED_SELECTION_REG,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_reg);
hw->phy.ops.write_reg(hw, MDIO_AN_ADVERTISE, MDIO_MMD_AN, autoneg_reg);
/* Restart PHY autonegotiation and wait for completion */
hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_CONTROL,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_reg);
hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, &autoneg_reg);
autoneg_reg |= IXGBE_MII_RESTART;
autoneg_reg |= MDIO_AN_CTRL1_RESTART;
hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_CONTROL,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_reg);
hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, autoneg_reg);
/* Wait for autonegotiation to finish */
for (time_out = 0; time_out < max_time_out; time_out++) {
udelay(10);
/* Restart PHY autonegotiation and wait for completion */
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
status = hw->phy.ops.read_reg(hw, MDIO_STAT1, MDIO_MMD_AN,
&autoneg_reg);
autoneg_reg &= IXGBE_MII_AUTONEG_COMPLETE;
if (autoneg_reg == IXGBE_MII_AUTONEG_COMPLETE) {
autoneg_reg &= MDIO_AN_STAT1_COMPLETE;
if (autoneg_reg == MDIO_AN_STAT1_COMPLETE) {
status = 0;
break;
}
@@ -457,23 +429,21 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)
s32 ret_val = 0;
u32 i;
hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
IXGBE_MDIO_PHY_XS_DEV_TYPE, &phy_data);
hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS, &phy_data);
/* reset the PHY and poll for completion */
hw->phy.ops.write_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
IXGBE_MDIO_PHY_XS_DEV_TYPE,
(phy_data | IXGBE_MDIO_PHY_XS_RESET));
hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS,
(phy_data | MDIO_CTRL1_RESET));
for (i = 0; i < 100; i++) {
hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
IXGBE_MDIO_PHY_XS_DEV_TYPE, &phy_data);
if ((phy_data & IXGBE_MDIO_PHY_XS_RESET) == 0)
hw->phy.ops.read_reg(hw, MDIO_CTRL1, MDIO_MMD_PHYXS,
&phy_data);
if ((phy_data & MDIO_CTRL1_RESET) == 0)
break;
msleep(10);
}
if ((phy_data & IXGBE_MDIO_PHY_XS_RESET) != 0) {
if ((phy_data & MDIO_CTRL1_RESET) != 0) {
hw_dbg(hw, "PHY reset did not complete.\n");
ret_val = IXGBE_ERR_PHY;
goto out;
@@ -509,7 +479,7 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)
for (i = 0; i < edata; i++) {
hw->eeprom.ops.read(hw, data_offset, &eword);
hw->phy.ops.write_reg(hw, phy_offset,
IXGBE_TWINAX_DEV, eword);
MDIO_MMD_PMAPMD, eword);
hw_dbg(hw, "Wrote %4.4x to %4.4x\n", eword,
phy_offset);
data_offset++;
@@ -1302,7 +1272,7 @@ s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
udelay(10);
status = hw->phy.ops.read_reg(hw,
IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
MDIO_MMD_VEND1,
&phy_data);
phy_link = phy_data &
IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS;
@@ -1330,8 +1300,7 @@ s32 ixgbe_get_phy_firmware_version_tnx(struct ixgbe_hw *hw,
{
s32 status = 0;
status = hw->phy.ops.read_reg(hw, TNX_FW_REV,
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
status = hw->phy.ops.read_reg(hw, TNX_FW_REV, MDIO_MMD_VEND1,
firmware_version);
return status;