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path: root/drivers/net/e1000/e1000_hw.c
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Diffstat (limited to 'drivers/net/e1000/e1000_hw.c')
-rw-r--r--drivers/net/e1000/e1000_hw.c174
1 files changed, 2 insertions, 172 deletions
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index 74aa59973316..765fd71ad5f2 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -33,9 +33,6 @@
#include "e1000_hw.h"
-static s32 e1000_swfw_sync_acquire(struct e1000_hw *hw, u16 mask);
-static void e1000_swfw_sync_release(struct e1000_hw *hw, u16 mask);
-
static s32 e1000_check_downshift(struct e1000_hw *hw);
static s32 e1000_check_polarity(struct e1000_hw *hw,
e1000_rev_polarity *polarity);
@@ -48,7 +45,6 @@ static s32 e1000_detect_gig_phy(struct e1000_hw *hw);
static s32 e1000_get_auto_rd_done(struct e1000_hw *hw);
static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length,
u16 *max_length);
-static s32 e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw);
static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw);
static s32 e1000_id_led_init(struct e1000_hw *hw);
static void e1000_init_rx_addrs(struct e1000_hw *hw);
@@ -61,7 +57,6 @@ static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
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 void e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw);
static s32 e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active);
static s32 e1000_wait_autoneg(struct e1000_hw *hw);
static void e1000_write_reg_io(struct e1000_hw *hw, u32 offset, u32 value);
@@ -2607,70 +2602,6 @@ static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw)
return data;
}
-static s32 e1000_swfw_sync_acquire(struct e1000_hw *hw, u16 mask)
-{
- u32 swfw_sync = 0;
- u32 swmask = mask;
- u32 fwmask = mask << 16;
- s32 timeout = 200;
-
- DEBUGFUNC("e1000_swfw_sync_acquire");
-
- if (!hw->swfw_sync_present)
- return e1000_get_hw_eeprom_semaphore(hw);
-
- while (timeout) {
- if (e1000_get_hw_eeprom_semaphore(hw))
- return -E1000_ERR_SWFW_SYNC;
-
- swfw_sync = er32(SW_FW_SYNC);
- if (!(swfw_sync & (fwmask | swmask))) {
- break;
- }
-
- /* firmware currently using resource (fwmask) */
- /* or other software thread currently using resource (swmask) */
- e1000_put_hw_eeprom_semaphore(hw);
- mdelay(5);
- timeout--;
- }
-
- if (!timeout) {
- DEBUGOUT("Driver can't access resource, SW_FW_SYNC timeout.\n");
- return -E1000_ERR_SWFW_SYNC;
- }
-
- swfw_sync |= swmask;
- ew32(SW_FW_SYNC, swfw_sync);
-
- e1000_put_hw_eeprom_semaphore(hw);
- return E1000_SUCCESS;
-}
-
-static void e1000_swfw_sync_release(struct e1000_hw *hw, u16 mask)
-{
- u32 swfw_sync;
- u32 swmask = mask;
-
- DEBUGFUNC("e1000_swfw_sync_release");
-
- if (!hw->swfw_sync_present) {
- e1000_put_hw_eeprom_semaphore(hw);
- return;
- }
-
- /* if (e1000_get_hw_eeprom_semaphore(hw))
- * return -E1000_ERR_SWFW_SYNC; */
- while (e1000_get_hw_eeprom_semaphore(hw) != E1000_SUCCESS);
- /* empty */
-
- swfw_sync = er32(SW_FW_SYNC);
- swfw_sync &= ~swmask;
- ew32(SW_FW_SYNC, swfw_sync);
-
- e1000_put_hw_eeprom_semaphore(hw);
-}
-
/*****************************************************************************
* Reads the value from a PHY register, if the value is on a specific non zero
* page, sets the page first.
@@ -2680,28 +2611,19 @@ static void e1000_swfw_sync_release(struct e1000_hw *hw, u16 mask)
s32 e1000_read_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 *phy_data)
{
u32 ret_val;
- u16 swfw;
DEBUGFUNC("e1000_read_phy_reg");
- swfw = E1000_SWFW_PHY0_SM;
- if (e1000_swfw_sync_acquire(hw, swfw))
- return -E1000_ERR_SWFW_SYNC;
-
if ((hw->phy_type == e1000_phy_igp) &&
(reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
(u16)reg_addr);
- if (ret_val) {
- e1000_swfw_sync_release(hw, swfw);
+ if (ret_val)
return ret_val;
- }
}
ret_val = e1000_read_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
phy_data);
-
- e1000_swfw_sync_release(hw, swfw);
return ret_val;
}
@@ -2787,28 +2709,20 @@ static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data)
{
u32 ret_val;
- u16 swfw;
DEBUGFUNC("e1000_write_phy_reg");
- swfw = E1000_SWFW_PHY0_SM;
- if (e1000_swfw_sync_acquire(hw, swfw))
- return -E1000_ERR_SWFW_SYNC;
-
if ((hw->phy_type == e1000_phy_igp) &&
(reg_addr > MAX_PHY_MULTI_PAGE_REG)) {
ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT,
(u16)reg_addr);
- if (ret_val) {
- e1000_swfw_sync_release(hw, swfw);
+ if (ret_val)
return ret_val;
- }
}
ret_val = e1000_write_phy_reg_ex(hw, MAX_PHY_REG_ADDRESS & reg_addr,
phy_data);
- e1000_swfw_sync_release(hw, swfw);
return ret_val;
}
@@ -2883,18 +2797,12 @@ s32 e1000_phy_hw_reset(struct e1000_hw *hw)
u32 ctrl, ctrl_ext;
u32 led_ctrl;
s32 ret_val;
- u16 swfw;
DEBUGFUNC("e1000_phy_hw_reset");
DEBUGOUT("Resetting Phy...\n");
if (hw->mac_type > e1000_82543) {
- swfw = E1000_SWFW_PHY0_SM;
- if (e1000_swfw_sync_acquire(hw, swfw)) {
- DEBUGOUT("Unable to acquire swfw sync\n");
- return -E1000_ERR_SWFW_SYNC;
- }
/* Read the device control register and assert the E1000_CTRL_PHY_RST
* bit. Then, take it out of reset.
* For e1000 hardware, we delay for 10ms between the assert
@@ -2908,8 +2816,6 @@ s32 e1000_phy_hw_reset(struct e1000_hw *hw)
ew32(CTRL, ctrl);
E1000_WRITE_FLUSH();
-
- e1000_swfw_sync_release(hw, swfw);
} else {
/* Read the Extended Device Control Register, assert the PHY_RESET_DIR
* bit to put the PHY into reset. Then, take it out of reset.
@@ -3515,8 +3421,6 @@ static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
DEBUGFUNC("e1000_acquire_eeprom");
- if (e1000_swfw_sync_acquire(hw, E1000_SWFW_EEP_SM))
- return -E1000_ERR_SWFW_SYNC;
eecd = er32(EECD);
/* Request EEPROM Access */
@@ -3534,7 +3438,6 @@ static s32 e1000_acquire_eeprom(struct e1000_hw *hw)
eecd &= ~E1000_EECD_REQ;
ew32(EECD, eecd);
DEBUGOUT("Could not acquire EEPROM grant\n");
- e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM);
return -E1000_ERR_EEPROM;
}
}
@@ -3653,8 +3556,6 @@ static void e1000_release_eeprom(struct e1000_hw *hw)
eecd &= ~E1000_EECD_REQ;
ew32(EECD, eecd);
}
-
- e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM);
}
/******************************************************************************
@@ -3847,8 +3748,6 @@ static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
u32 i = 0;
s32 error = 0;
- if (e1000_swfw_sync_acquire(hw, E1000_SWFW_EEP_SM))
- return -E1000_ERR_SWFW_SYNC;
for (i = 0; i < words; i++) {
register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) |
@@ -3869,7 +3768,6 @@ static s32 e1000_write_eeprom_eewr(struct e1000_hw *hw, u16 offset, u16 words,
}
}
- e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM);
return error;
}
@@ -5681,71 +5579,3 @@ static s32 e1000_get_phy_cfg_done(struct e1000_hw *hw)
mdelay(10);
return E1000_SUCCESS;
}
-
-/***************************************************************************
- *
- * Using the combination of SMBI and SWESMBI semaphore bits when resetting
- * adapter or Eeprom access.
- *
- * hw: Struct containing variables accessed by shared code
- *
- * returns: - E1000_ERR_EEPROM if fail to access EEPROM.
- * E1000_SUCCESS at any other case.
- *
- ***************************************************************************/
-static s32 e1000_get_hw_eeprom_semaphore(struct e1000_hw *hw)
-{
- s32 timeout;
- u32 swsm;
-
- DEBUGFUNC("e1000_get_hw_eeprom_semaphore");
-
- if (!hw->eeprom_semaphore_present)
- return E1000_SUCCESS;
-
- /* Get the FW semaphore. */
- timeout = hw->eeprom.word_size + 1;
- while (timeout) {
- swsm = er32(SWSM);
- swsm |= E1000_SWSM_SWESMBI;
- ew32(SWSM, swsm);
- /* if we managed to set the bit we got the semaphore. */
- swsm = er32(SWSM);
- if (swsm & E1000_SWSM_SWESMBI)
- break;
-
- udelay(50);
- timeout--;
- }
-
- if (!timeout) {
- /* Release semaphores */
- e1000_put_hw_eeprom_semaphore(hw);
- DEBUGOUT("Driver can't access the Eeprom - SWESMBI bit is set.\n");
- return -E1000_ERR_EEPROM;
- }
-
- return E1000_SUCCESS;
-}
-
-/***************************************************************************
- * This function clears HW semaphore bits.
- *
- * hw: Struct containing variables accessed by shared code
- *
- * returns: - None.
- *
- ***************************************************************************/
-static void e1000_put_hw_eeprom_semaphore(struct e1000_hw *hw)
-{
- u32 swsm;
-
- DEBUGFUNC("e1000_put_hw_eeprom_semaphore");
-
- if (!hw->eeprom_semaphore_present)
- return;
-
- swsm = er32(SWSM);
- swsm &= ~(E1000_SWSM_SWESMBI);
- ew32(SWSM, swsm);
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-15 20:44:08 +0000