diff options
Diffstat (limited to 'drivers/net/e1000/e1000_hw.c')
| -rw-r--r-- | drivers/net/e1000/e1000_hw.c | 121 |
1 files changed, 3 insertions, 118 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 6aba8830440..50114cd2df9 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -49,11 +49,6 @@ static s32 e1000_id_led_init(struct e1000_hw *hw); static void e1000_init_rx_addrs(struct e1000_hw *hw); static s32 e1000_phy_igp_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info); -static s32 e1000_read_eeprom_eerd(struct e1000_hw *hw, u16 offset, u16 words, - u16 *data); -static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words, - u16 *data); -static s32 e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd); static s32 e1000_phy_m88_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info); static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active); @@ -3339,8 +3334,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw) eeprom->opcode_bits = 3; eeprom->address_bits = 6; eeprom->delay_usec = 50; - eeprom->use_eerd = false; - eeprom->use_eewr = false; break; case e1000_82540: case e1000_82545: @@ -3357,8 +3350,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw) eeprom->word_size = 64; eeprom->address_bits = 6; } - eeprom->use_eerd = false; - eeprom->use_eewr = false; break; case e1000_82541: case e1000_82541_rev_2: @@ -3387,8 +3378,6 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw) eeprom->address_bits = 6; } } - eeprom->use_eerd = false; - eeprom->use_eewr = false; break; default: break; @@ -3773,15 +3762,9 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, * directly. In this case, we need to acquire the EEPROM so that * FW or other port software does not interrupt. */ - if (!hw->eeprom.use_eerd) { - /* Prepare the EEPROM for bit-bang reading */ - if (e1000_acquire_eeprom(hw) != E1000_SUCCESS) - return -E1000_ERR_EEPROM; - } - - /* Eerd register EEPROM access requires no eeprom aquire/release */ - if (eeprom->use_eerd) - return e1000_read_eeprom_eerd(hw, offset, words, data); + /* Prepare the EEPROM for bit-bang reading */ + if (e1000_acquire_eeprom(hw) != E1000_SUCCESS) + return -E1000_ERR_EEPROM; /* Set up the SPI or Microwire EEPROM for bit-bang reading. We have * acquired the EEPROM at this point, so any returns should release it */ @@ -3837,101 +3820,6 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words, } /** - * Reads a 16 bit word from the EEPROM using the EERD register. - * - * @hw: Struct containing variables accessed by shared code - * offset - offset of word in the EEPROM to read - * data - word read from the EEPROM - * words - number of words to read - */ -static s32 e1000_read_eeprom_eerd(struct e1000_hw *hw, u16 offset, u16 words, - u16 *data) -{ - u32 i, eerd = 0; - s32 error = 0; - - for (i = 0; i < words; i++) { - eerd = ((offset + i) << E1000_EEPROM_RW_ADDR_SHIFT) + - E1000_EEPROM_RW_REG_START; - - ew32(EERD, eerd); - error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ); - - if (error) { - break; - } - data[i] = (er32(EERD) >> E1000_EEPROM_RW_REG_DATA); - - } - - return error; -} - -/** - * Writes a 16 bit word from the EEPROM using the EEWR register. - * - * @hw: Struct containing variables accessed by shared code - * offset - offset of word in the EEPROM to read - * data - word read from the EEPROM - * words - number of words to read - */ -static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words, - u16 *data) -{ - u32 register_value = 0; - u32 i = 0; - s32 error = 0; - - for (i = 0; i < words; i++) { - register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) | - ((offset + i) << E1000_EEPROM_RW_ADDR_SHIFT) | - E1000_EEPROM_RW_REG_START; - - error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE); - if (error) { - break; - } - - ew32(EEWR, register_value); - - error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE); - - if (error) { - break; - } - } - - return error; -} - -/** - * Polls the status bit (bit 1) of the EERD to determine when the read is done. - * - * @hw: Struct containing variables accessed by shared code - */ -static s32 e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd) -{ - u32 attempts = 100000; - u32 i, reg = 0; - s32 done = E1000_ERR_EEPROM; - - for (i = 0; i < attempts; i++) { - if (eerd == E1000_EEPROM_POLL_READ) - reg = er32(EERD); - else - reg = er32(EEWR); - - if (reg & E1000_EEPROM_RW_REG_DONE) { - done = E1000_SUCCESS; - break; - } - udelay(5); - } - - return done; -} - -/** * e1000_validate_eeprom_checksum - Verifies that the EEPROM has a valid checksum * @hw: Struct containing variables accessed by shared code * @@ -4031,9 +3919,6 @@ static s32 e1000_do_write_eeprom(struct e1000_hw *hw, u16 offset, u16 words, return -E1000_ERR_EEPROM; } - if (eeprom->use_eewr) - return e1000_write_eeprom_eewr(hw, offset, words, data); - /* Prepare the EEPROM for writing */ if (e1000_acquire_eeprom(hw) != E1000_SUCCESS) return -E1000_ERR_EEPROM; |