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e1000: expose xMDIO methods

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Move read and write xmdio methods to e1000_phy.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
Reviewed-by: Wei Zhao <wei.zhao1@intel.com>

Approved by:	imp
Obtained from:	DPDK (b14d20f1b2bb0e6d95f19963c5d7f55374e0ead9)
MFC after:	1 week
This commit is contained in:
Guinan Sun 2020-07-06 08:12:00 +00:00 committed by Kevin Bowling
parent 82a9d0c2c1
commit da24467c7a
4 changed files with 77 additions and 75 deletions
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71
sys/dev/e1000/e1000_i210.c
View File

@ -600,77 +600,6 @@ static s32 e1000_valid_led_default_i210(struct e1000_hw *hw, u16 *data)
return ret_val;
}
/**
* __e1000_access_xmdio_reg - Read/write XMDIO register
* @hw: pointer to the HW structure
* @address: XMDIO address to program
* @dev_addr: device address to program
* @data: pointer to value to read/write from/to the XMDIO address
* @read: boolean flag to indicate read or write
**/
static s32 __e1000_access_xmdio_reg(struct e1000_hw *hw, u16 address,
u8 dev_addr, u16 *data, bool read)
{
s32 ret_val;
DEBUGFUNC("__e1000_access_xmdio_reg");
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, dev_addr);
if (ret_val)
return ret_val;
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, address);
if (ret_val)
return ret_val;
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, E1000_MMDAC_FUNC_DATA |
dev_addr);
if (ret_val)
return ret_val;
if (read)
ret_val = hw->phy.ops.read_reg(hw, E1000_MMDAAD, data);
else
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, *data);
if (ret_val)
return ret_val;
/* Recalibrate the device back to 0 */
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, 0);
if (ret_val)
return ret_val;
return ret_val;
}
/**
* e1000_read_xmdio_reg - Read XMDIO register
* @hw: pointer to the HW structure
* @addr: XMDIO address to program
* @dev_addr: device address to program
* @data: value to be read from the EMI address
**/
s32 e1000_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data)
{
DEBUGFUNC("e1000_read_xmdio_reg");
return __e1000_access_xmdio_reg(hw, addr, dev_addr, data, TRUE);
}
/**
* e1000_write_xmdio_reg - Write XMDIO register
* @hw: pointer to the HW structure
* @addr: XMDIO address to program
* @dev_addr: device address to program
* @data: value to be written to the XMDIO address
**/
s32 e1000_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data)
{
DEBUGFUNC("e1000_read_xmdio_reg");
return __e1000_access_xmdio_reg(hw, addr, dev_addr, &data, FALSE);
}
/**
* e1000_pll_workaround_i210
* @hw: pointer to the HW structure

4
sys/dev/e1000/e1000_i210.h
View File

@ -44,10 +44,6 @@ s32 e1000_write_nvm_srwr_i210(struct e1000_hw *hw, u16 offset,
u16 words, u16 *data);
s32 e1000_read_nvm_srrd_i210(struct e1000_hw *hw, u16 offset,
u16 words, u16 *data);
s32 e1000_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr,
u16 *data);
s32 e1000_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr,
u16 data);
s32 e1000_init_hw_i210(struct e1000_hw *hw);
#define E1000_STM_OPCODE 0xDB00

72
sys/dev/e1000/e1000_phy.c
View File

@ -4251,3 +4251,75 @@ bool e1000_is_mphy_ready(struct e1000_hw *hw)
return ready;
}
/**
* __e1000_access_xmdio_reg - Read/write XMDIO register
* @hw: pointer to the HW structure
* @address: XMDIO address to program
* @dev_addr: device address to program
* @data: pointer to value to read/write from/to the XMDIO address
* @read: boolean flag to indicate read or write
**/
static s32 __e1000_access_xmdio_reg(struct e1000_hw *hw, u16 address,
u8 dev_addr, u16 *data, bool read)
{
s32 ret_val;
DEBUGFUNC("__e1000_access_xmdio_reg");
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, dev_addr);
if (ret_val)
return ret_val;
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, address);
if (ret_val)
return ret_val;
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, E1000_MMDAC_FUNC_DATA |
dev_addr);
if (ret_val)
return ret_val;
if (read)
ret_val = hw->phy.ops.read_reg(hw, E1000_MMDAAD, data);
else
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, *data);
if (ret_val)
return ret_val;
/* Recalibrate the device back to 0 */
ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, 0);
if (ret_val)
return ret_val;
return ret_val;
}
/**
* e1000_read_xmdio_reg - Read XMDIO register
* @hw: pointer to the HW structure
* @addr: XMDIO address to program
* @dev_addr: device address to program
* @data: value to be read from the EMI address
**/
s32 e1000_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data)
{
DEBUGFUNC("e1000_read_xmdio_reg");
return __e1000_access_xmdio_reg(hw, addr, dev_addr, data, true);
}
/**
* e1000_write_xmdio_reg - Write XMDIO register
* @hw: pointer to the HW structure
* @addr: XMDIO address to program
* @dev_addr: device address to program
* @data: value to be written to the XMDIO address
**/
s32 e1000_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data)
{
DEBUGFUNC("e1000_write_xmdio_reg");
return __e1000_access_xmdio_reg(hw, addr, dev_addr, &data,
false);
}

5
sys/dev/e1000/e1000_phy.h
View File

@ -122,6 +122,11 @@ s32 e1000_write_phy_reg_mphy(struct e1000_hw *hw, u32 address, u32 data,
bool line_override);
bool e1000_is_mphy_ready(struct e1000_hw *hw);
s32 e1000_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr,
u16 *data);
s32 e1000_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr,
u16 data);
#define E1000_MAX_PHY_ADDR 8
/* IGP01E1000 Specific Registers */