| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Linux/drivers/net/ethernet/intel/e1000e/ (Linux Kernel Version 6.17.9©) Datei vom 24.10.2025 mit Größe 50 kB |
|
Quelle phy.c Sprache: C |
|||||||||||||||
|
// SPDX-License-Identifier: GPL-2.0 /* Copyright(c) 1999 - 2018 Intel Corporation. */ #include "e1000.h" #include <linux/ethtool.h> static s32 e1000_wait_autoneg(struct e1000_hw *hw); static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data, bool read, bool page_set); static u32 e1000_get_phy_addr_for_hv_page(u32 page); static s32 e1000_access_phy_debug_regs_hv(struct e1000_hw *hw, u32 offset, u16 *data, bool read); /* Cable length tables */ static const u16 e1000_m88_cable_length_table[] = { 0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED }; #define M88E1000_CABLE_LENGTH_TABLE_SIZE \ ARRAY_SIZE(e1000_m88_cable_length_table) static const u16 e1000_igp_2_cable_length_table[] = { 0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21, 0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 6, 10, 14, 18, 22, 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61, 21, 26, 31, 35, 40, 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82, 40, 45, 51, 56, 61, 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104, 60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121, 83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124, 104, 109, 114, 118, 121, 124 }; #define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \ ARRAY_SIZE(e1000_igp_2_cable_length_table) /** * e1000e_check_reset_block_generic - Check if PHY reset is blocked * @hw: pointer to the HW structure * * Read the PHY management control register and check whether a PHY reset * is blocked. If a reset is not blocked return 0, otherwise * return E1000_BLK_PHY_RESET (12). **/ s32 e1000e_check_reset_block_generic(struct e1000_hw *hw) { u32 manc; manc = er32(MANC); return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ? E1000_BLK_PHY_RESET : 0; } /** * e1000e_get_phy_id - Retrieve the PHY ID and revision * @hw: pointer to the HW structure * * Reads the PHY registers and stores the PHY ID and possibly the PHY * revision in the hardware structure. **/ s32 e1000e_get_phy_id(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val = 0; u16 phy_id; u16 retry_count = 0; if (!phy->ops.read_reg) return 0; while (retry_count < 2) { ret_val = e1e_rphy(hw, MII_PHYSID1, &phy_id); if (ret_val) return ret_val; phy->id = (u32)(phy_id << 16); usleep_range(20, 40); ret_val = e1e_rphy(hw, MII_PHYSID2, &phy_id); if (ret_val) return ret_val; phy->id |= (u32)(phy_id & PHY_REVISION_MASK); phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK); if (phy->id != 0 && phy->id != PHY_REVISION_MASK) return 0; retry_count++; } return 0; } /** * e1000e_phy_reset_dsp - Reset PHY DSP * @hw: pointer to the HW structure * * Reset the digital signal processor. **/ s32 e1000e_phy_reset_dsp(struct e1000_hw *hw) { s32 ret_val; ret_val = e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0xC1); if (ret_val) return ret_val; return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0); } void e1000e_disable_phy_retry(struct e1000_hw *hw) { hw->phy.retry_enabled = false; } void e1000e_enable_phy_retry(struct e1000_hw *hw) { hw->phy.retry_enabled = true; } /** * e1000e_read_phy_reg_mdic - Read MDI control register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Reads the MDI control register in the PHY at offset and stores the * information read to data. **/ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) { u32 i, mdic = 0, retry_counter, retry_max; struct e1000_phy_info *phy = &hw->phy; bool success; if (offset > MAX_PHY_REG_ADDRESS) { e_dbg("PHY Address %d is out of range\n", offset); return -E1000_ERR_PARAM; } retry_max = phy->retry_enabled ? phy->retry_count : 0; /* Set up Op-code, Phy Address, and register offset in the MDI * Control register. The MAC will take care of interfacing with the * PHY to retrieve the desired data. */ for (retry_counter = 0; retry_counter <= retry_max; retry_counter++) { success = true; mdic = ((offset << E1000_MDIC_REG_SHIFT) | (phy->addr << E1000_MDIC_PHY_SHIFT) | (E1000_MDIC_OP_READ)); ew32(MDIC, mdic); /* Poll the ready bit to see if the MDI read completed * Increasing the time out as testing showed failures with * the lower time out */ for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { udelay(50); mdic = er32(MDIC); if (mdic & E1000_MDIC_READY) break; } if (!(mdic & E1000_MDIC_READY)) { e_dbg("MDI Read PHY Reg Address %d did not complete\n", offset); success = false; } if (mdic & E1000_MDIC_ERROR) { e_dbg("MDI Read PHY Reg Address %d Error\n", offset); success = false; } if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) { e_dbg("MDI Read offset error - requested %d, returned %d\n", offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic)); success = false; } /* Allow some time after each MDIC transaction to avoid * reading duplicate data in the next MDIC transaction. */ if (hw->mac.type == e1000_pch2lan) udelay(100); if (success) { *data = (u16)mdic; return 0; } if (retry_counter != retry_max) { e_dbg("Perform retry on PHY transaction...\n"); mdelay(10); } } return -E1000_ERR_PHY; } /** * e1000e_write_phy_reg_mdic - Write MDI control register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write to register at offset * * Writes data to MDI control register in the PHY at offset. **/ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) { u32 i, mdic = 0, retry_counter, retry_max; struct e1000_phy_info *phy = &hw->phy; bool success; if (offset > MAX_PHY_REG_ADDRESS) { e_dbg("PHY Address %d is out of range\n", offset); return -E1000_ERR_PARAM; } retry_max = phy->retry_enabled ? phy->retry_count : 0; /* Set up Op-code, Phy Address, and register offset in the MDI * Control register. The MAC will take care of interfacing with the * PHY to retrieve the desired data. */ for (retry_counter = 0; retry_counter <= retry_max; retry_counter++) { success = true; mdic = (((u32)data) | (offset << E1000_MDIC_REG_SHIFT) | (phy->addr << E1000_MDIC_PHY_SHIFT) | (E1000_MDIC_OP_WRITE)); ew32(MDIC, mdic); /* Poll the ready bit to see if the MDI read completed * Increasing the time out as testing showed failures with * the lower time out */ for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { udelay(50); mdic = er32(MDIC); if (mdic & E1000_MDIC_READY) break; } if (!(mdic & E1000_MDIC_READY)) { e_dbg("MDI Write PHY Reg Address %d did not complete\n", offset); success = false; } if (mdic & E1000_MDIC_ERROR) { e_dbg("MDI Write PHY Reg Address %d Error\n", offset); success = false; } if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) { e_dbg("MDI Write offset error - requested %d, returned %d\n", offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic)); success = false; } /* Allow some time after each MDIC transaction to avoid * reading duplicate data in the next MDIC transaction. */ if (hw->mac.type == e1000_pch2lan) udelay(100); if (success) return 0; if (retry_counter != retry_max) { e_dbg("Perform retry on PHY transaction...\n"); mdelay(10); } } return -E1000_ERR_PHY; } /** * e1000e_read_phy_reg_m88 - Read m88 PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Acquires semaphore, if necessary, then reads the PHY register at offset * and storing the retrieved information in data. Release any acquired * semaphores before exiting. **/ s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data) { s32 ret_val; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); hw->phy.ops.release(hw); return ret_val; } /** * e1000e_write_phy_reg_m88 - Write m88 PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data) { s32 ret_val; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); hw->phy.ops.release(hw); return ret_val; } /** * e1000_set_page_igp - Set page as on IGP-like PHY(s) * @hw: pointer to the HW structure * @page: page to set (shifted left when necessary) * * Sets PHY page required for PHY register access. Assumes semaphore is * already acquired. Note, this function sets phy.addr to 1 so the caller * must set it appropriately (if necessary) after this function returns. **/ s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page) { e_dbg("Setting page 0x%x\n", page); hw->phy.addr = 1; return e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, page); } /** * __e1000e_read_phy_reg_igp - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then reads the PHY register at offset * and stores the retrieved information in data. Release any acquired * semaphores before exiting. **/ static s32 __e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data, bool locked) { s32 ret_val = 0; if (!locked) { if (!hw->phy.ops.acquire) return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } if (offset > MAX_PHY_MULTI_PAGE_REG) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); if (!ret_val) ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); if (!locked) hw->phy.ops.release(hw); return ret_val; } /** * e1000e_read_phy_reg_igp - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Acquires semaphore then reads the PHY register at offset and stores the * retrieved information in data. * Release the acquired semaphore before exiting. **/ s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000e_read_phy_reg_igp(hw, offset, data, false); } /** * e1000e_read_phy_reg_igp_locked - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Reads the PHY register at offset and stores the retrieved information * in data. Assumes semaphore already acquired. **/ s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000e_read_phy_reg_igp(hw, offset, data, true); } /** * __e1000e_write_phy_reg_igp - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ static s32 __e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data, bool locked) { s32 ret_val = 0; if (!locked) { if (!hw->phy.ops.acquire) return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } if (offset > MAX_PHY_MULTI_PAGE_REG) ret_val = e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, (u16)offset); if (!ret_val) ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); if (!locked) hw->phy.ops.release(hw); return ret_val; } /** * e1000e_write_phy_reg_igp - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Acquires semaphore then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000e_write_phy_reg_igp(hw, offset, data, false); } /** * e1000e_write_phy_reg_igp_locked - Write igp PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Writes the data to PHY register at the offset. * Assumes semaphore already acquired. **/ s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000e_write_phy_reg_igp(hw, offset, data, true); } /** * __e1000_read_kmrn_reg - Read kumeran register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary. Then reads the PHY register at offset * using the kumeran interface. The information retrieved is stored in data. * Release any acquired semaphores before exiting. **/ static s32 __e1000_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data, bool locked) { u32 kmrnctrlsta; if (!locked) { s32 ret_val = 0; if (!hw->phy.ops.acquire) return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } kmrnctrlsta = FIELD_PREP(E1000_KMRNCTRLSTA_OFFSET, offset) | E1000_KMRNCTRLSTA_REN; ew32(KMRNCTRLSTA, kmrnctrlsta); e1e_flush(); udelay(2); kmrnctrlsta = er32(KMRNCTRLSTA); *data = (u16)kmrnctrlsta; if (!locked) hw->phy.ops.release(hw); return 0; } /** * e1000e_read_kmrn_reg - Read kumeran register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Acquires semaphore then reads the PHY register at offset using the * kumeran interface. The information retrieved is stored in data. * Release the acquired semaphore before exiting. **/ s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000_read_kmrn_reg(hw, offset, data, false); } /** * e1000e_read_kmrn_reg_locked - Read kumeran register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Reads the PHY register at offset using the kumeran interface. The * information retrieved is stored in data. * Assumes semaphore already acquired. **/ s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 *data) { return __e1000_read_kmrn_reg(hw, offset, data, true); } /** * __e1000_write_kmrn_reg - Write kumeran register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * @locked: semaphore has already been acquired or not * * Acquires semaphore, if necessary. Then write the data to PHY register * at the offset using the kumeran interface. Release any acquired semaphores * before exiting. **/ static s32 __e1000_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data, bool locked) { u32 kmrnctrlsta; if (!locked) { s32 ret_val = 0; if (!hw->phy.ops.acquire) return 0; ret_val = hw->phy.ops.acquire(hw); if (ret_val) return ret_val; } kmrnctrlsta = FIELD_PREP(E1000_KMRNCTRLSTA_OFFSET, offset) | data; ew32(KMRNCTRLSTA, kmrnctrlsta); e1e_flush(); udelay(2); if (!locked) hw->phy.ops.release(hw); return 0; } /** * e1000e_write_kmrn_reg - Write kumeran register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Acquires semaphore then writes the data to the PHY register at the offset * using the kumeran interface. Release the acquired semaphore before exiting. **/ s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000_write_kmrn_reg(hw, offset, data, false); } /** * e1000e_write_kmrn_reg_locked - Write kumeran register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Write the data to PHY register at the offset using the kumeran interface. * Assumes semaphore already acquired. **/ s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000_write_kmrn_reg(hw, offset, data, true); } /** * e1000_set_master_slave_mode - Setup PHY for Master/slave mode * @hw: pointer to the HW structure * * Sets up Master/slave mode **/ static s32 e1000_set_master_slave_mode(struct e1000_hw *hw) { s32 ret_val; u16 phy_data; /* Resolve Master/Slave mode */ ret_val = e1e_rphy(hw, MII_CTRL1000, &phy_data); if (ret_val) return ret_val; /* load defaults for future use */ hw->phy.original_ms_type = (phy_data & CTL1000_ENABLE_MASTER) ? ((phy_data & CTL1000_AS_MASTER) ? e1000_ms_force_master : e1000_ms_force_slave) : e1000_ms_auto; switch (hw->phy.ms_type) { case e1000_ms_force_master: phy_data |= (CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER); break; case e1000_ms_force_slave: phy_data |= CTL1000_ENABLE_MASTER; phy_data &= ~(CTL1000_AS_MASTER); break; case e1000_ms_auto: phy_data &= ~CTL1000_ENABLE_MASTER; fallthrough; default: break; } return e1e_wphy(hw, MII_CTRL1000, phy_data); } /** * e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link * @hw: pointer to the HW structure * * Sets up Carrier-sense on Transmit and downshift values. **/ s32 e1000_copper_link_setup_82577(struct e1000_hw *hw) { s32 ret_val; u16 phy_data; /* Enable CRS on Tx. This must be set for half-duplex operation. */ ret_val = e1e_rphy(hw, I82577_CFG_REG, &phy_data); if (ret_val) return ret_val; phy_data |= I82577_CFG_ASSERT_CRS_ON_TX; /* Enable downshift */ phy_data |= I82577_CFG_ENABLE_DOWNSHIFT; ret_val = e1e_wphy(hw, I82577_CFG_REG, phy_data); if (ret_val) return ret_val; /* Set MDI/MDIX mode */ ret_val = e1e_rphy(hw, I82577_PHY_CTRL_2, &phy_data); if (ret_val) return ret_val; phy_data &= ~I82577_PHY_CTRL2_MDIX_CFG_MASK; /* Options: * 0 - Auto (default) * 1 - MDI mode * 2 - MDI-X mode */ switch (hw->phy.mdix) { case 1: break; case 2: phy_data |= I82577_PHY_CTRL2_MANUAL_MDIX; break; case 0: default: phy_data |= I82577_PHY_CTRL2_AUTO_MDI_MDIX; break; } ret_val = e1e_wphy(hw, I82577_PHY_CTRL_2, phy_data); if (ret_val) return ret_val; return e1000_set_master_slave_mode(hw); } /** * e1000e_copper_link_setup_m88 - Setup m88 PHY's for copper link * @hw: pointer to the HW structure * * Sets up MDI/MDI-X and polarity for m88 PHY's. If necessary, transmit clock * and downshift values are set also. **/ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data; /* Enable CRS on Tx. This must be set for half-duplex operation. */ ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; /* For BM PHY this bit is downshift enable */ if (phy->type != e1000_phy_bm) phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX; /* Options: * MDI/MDI-X = 0 (default) * 0 - Auto for all speeds * 1 - MDI mode * 2 - MDI-X mode * 3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes) */ phy_data &= ~M88E1000_PSCR_AUTO_X_MODE; switch (phy->mdix) { case 1: phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE; break; case 2: phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE; break; case 3: phy_data |= M88E1000_PSCR_AUTO_X_1000T; break; case 0: default: phy_data |= M88E1000_PSCR_AUTO_X_MODE; break; } /* Options: * disable_polarity_correction = 0 (default) * Automatic Correction for Reversed Cable Polarity * 0 - Disabled * 1 - Enabled */ phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL; if (phy->disable_polarity_correction) phy_data |= M88E1000_PSCR_POLARITY_REVERSAL; /* Enable downshift on BM (disabled by default) */ if (phy->type == e1000_phy_bm) { /* For 82574/82583, first disable then enable downshift */ if (phy->id == BME1000_E_PHY_ID_R2) { phy_data &= ~BME1000_PSCR_ENABLE_DOWNSHIFT; ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; /* Commit the changes. */ ret_val = phy->ops.commit(hw); if (ret_val) { e_dbg("Error committing the PHY changes\n"); return ret_val; } } phy_data |= BME1000_PSCR_ENABLE_DOWNSHIFT; } ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; if ((phy->type == e1000_phy_m88) && (phy->revision < E1000_REVISION_4) && (phy->id != BME1000_E_PHY_ID_R2)) { /* Force TX_CLK in the Extended PHY Specific Control Register * to 25MHz clock. */ ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; phy_data |= M88E1000_EPSCR_TX_CLK_25; if ((phy->revision == 2) && (phy->id == M88E1111_I_PHY_ID)) { /* 82573L PHY - set the downshift counter to 5x. */ phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK; phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X; } else { /* Configure Master and Slave downshift values */ phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK | M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK); phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X | M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X); } ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; } if ((phy->type == e1000_phy_bm) && (phy->id == BME1000_E_PHY_ID_R2)) { /* Set PHY page 0, register 29 to 0x0003 */ ret_val = e1e_wphy(hw, 29, 0x0003); if (ret_val) return ret_val; /* Set PHY page 0, register 30 to 0x0000 */ ret_val = e1e_wphy(hw, 30, 0x0000); if (ret_val) return ret_val; } /* Commit the changes. */ if (phy->ops.commit) { ret_val = phy->ops.commit(hw); if (ret_val) { e_dbg("Error committing the PHY changes\n"); return ret_val; } } if (phy->type == e1000_phy_82578) { ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; /* 82578 PHY - set the downshift count to 1x. */ phy_data |= I82578_EPSCR_DOWNSHIFT_ENABLE; phy_data &= ~I82578_EPSCR_DOWNSHIFT_COUNTER_MASK; ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; } return 0; } /** * e1000e_copper_link_setup_igp - Setup igp PHY's for copper link * @hw: pointer to the HW structure * * Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for * igp PHY's. **/ s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; ret_val = e1000_phy_hw_reset(hw); if (ret_val) { e_dbg("Error resetting the PHY.\n"); return ret_val; } /* Wait 100ms for MAC to configure PHY from NVM settings, to avoid * timeout issues when LFS is enabled. */ msleep(100); /* disable lplu d0 during driver init */ if (hw->phy.ops.set_d0_lplu_state) { ret_val = hw->phy.ops.set_d0_lplu_state(hw, false); if (ret_val) { e_dbg("Error Disabling LPLU D0\n"); return ret_val; } } /* Configure mdi-mdix settings */ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &data); if (ret_val) return ret_val; data &= ~IGP01E1000_PSCR_AUTO_MDIX; switch (phy->mdix) { case 1: data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX; break; case 2: data |= IGP01E1000_PSCR_FORCE_MDI_MDIX; break; case 0: default: data |= IGP01E1000_PSCR_AUTO_MDIX; break; } ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, data); if (ret_val) return ret_val; /* set auto-master slave resolution settings */ if (hw->mac.autoneg) { /* when autonegotiation advertisement is only 1000Mbps then we * should disable SmartSpeed and enable Auto MasterSlave * resolution as hardware default. */ if (phy->autoneg_advertised == ADVERTISE_1000_FULL) { /* Disable SmartSpeed */ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); if (ret_val) return ret_val; data &= ~IGP01E1000_PSCFR_SMART_SPEED; ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); if (ret_val) return ret_val; /* Set auto Master/Slave resolution process */ ret_val = e1e_rphy(hw, MII_CTRL1000, &data); if (ret_val) return ret_val; data &= ~CTL1000_ENABLE_MASTER; ret_val = e1e_wphy(hw, MII_CTRL1000, data); if (ret_val) return ret_val; } ret_val = e1000_set_master_slave_mode(hw); } return ret_val; } /** * e1000_phy_setup_autoneg - Configure PHY for auto-negotiation * @hw: pointer to the HW structure * * Reads the MII auto-neg advertisement register and/or the 1000T control * register and if the PHY is already setup for auto-negotiation, then * return successful. Otherwise, setup advertisement and flow control to * the appropriate values for the wanted auto-negotiation. **/ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 mii_autoneg_adv_reg; u16 mii_1000t_ctrl_reg = 0; phy->autoneg_advertised &= phy->autoneg_mask; /* Read the MII Auto-Neg Advertisement Register (Address 4). */ ret_val = e1e_rphy(hw, MII_ADVERTISE, &mii_autoneg_adv_reg); if (ret_val) return ret_val; if (phy->autoneg_mask & ADVERTISE_1000_FULL) { /* Read the MII 1000Base-T Control Register (Address 9). */ ret_val = e1e_rphy(hw, MII_CTRL1000, &mii_1000t_ctrl_reg); if (ret_val) return ret_val; } /* Need to parse both autoneg_advertised and fc and set up * the appropriate PHY registers. First we will parse for * autoneg_advertised software override. Since we can advertise * a plethora of combinations, we need to check each bit * individually. */ /* First we clear all the 10/100 mb speed bits in the Auto-Neg * Advertisement Register (Address 4) and the 1000 mb speed bits in * the 1000Base-T Control Register (Address 9). */ mii_autoneg_adv_reg &= ~(ADVERTISE_100FULL | ADVERTISE_100HALF | ADVERTISE_10FULL | ADVERTISE_10HALF); mii_1000t_ctrl_reg &= ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL); e_dbg("autoneg_advertised %x\n", phy->autoneg_advertised); /* Do we want to advertise 10 Mb Half Duplex? */ if (phy->autoneg_advertised & ADVERTISE_10_HALF) { e_dbg("Advertise 10mb Half duplex\n"); mii_autoneg_adv_reg |= ADVERTISE_10HALF; } /* Do we want to advertise 10 Mb Full Duplex? */ if (phy->autoneg_advertised & ADVERTISE_10_FULL) { e_dbg("Advertise 10mb Full duplex\n"); mii_autoneg_adv_reg |= ADVERTISE_10FULL; } /* Do we want to advertise 100 Mb Half Duplex? */ if (phy->autoneg_advertised & ADVERTISE_100_HALF) { e_dbg("Advertise 100mb Half duplex\n"); mii_autoneg_adv_reg |= ADVERTISE_100HALF; } /* Do we want to advertise 100 Mb Full Duplex? */ if (phy->autoneg_advertised & ADVERTISE_100_FULL) { e_dbg("Advertise 100mb Full duplex\n"); mii_autoneg_adv_reg |= ADVERTISE_100FULL; } /* We do not allow the Phy to advertise 1000 Mb Half Duplex */ if (phy->autoneg_advertised & ADVERTISE_1000_HALF) e_dbg("Advertise 1000mb Half duplex request denied!\n"); /* Do we want to advertise 1000 Mb Full Duplex? */ if (phy->autoneg_advertised & ADVERTISE_1000_FULL) { e_dbg("Advertise 1000mb Full duplex\n"); mii_1000t_ctrl_reg |= ADVERTISE_1000FULL; } /* Check for a software override of the flow control settings, and * setup the PHY advertisement registers accordingly. If * auto-negotiation is enabled, then software will have to set the * "PAUSE" bits to the correct value in the Auto-Negotiation * Advertisement Register (MII_ADVERTISE) and re-start auto- * negotiation. * * The possible values of the "fc" parameter are: * 0: Flow control is completely disabled * 1: Rx flow control is enabled (we can receive pause frames * but not send pause frames). * 2: Tx flow control is enabled (we can send pause frames * but we do not support receiving pause frames). * 3: Both Rx and Tx flow control (symmetric) are enabled. * other: No software override. The flow control configuration * in the EEPROM is used. */ switch (hw->fc.current_mode) { case e1000_fc_none: /* Flow control (Rx & Tx) is completely disabled by a * software over-ride. */ mii_autoneg_adv_reg &= ~(ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); phy->autoneg_advertised &= ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); break; case e1000_fc_rx_pause: /* Rx Flow control is enabled, and Tx Flow control is * disabled, by a software over-ride. * * Since there really isn't a way to advertise that we are * capable of Rx Pause ONLY, we will advertise that we * support both symmetric and asymmetric Rx PAUSE. Later * (in e1000e_config_fc_after_link_up) we will disable the * hw's ability to send PAUSE frames. */ mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); phy->autoneg_advertised |= (ADVERTISED_Pause | ADVERTISED_Asym_Pause); break; case e1000_fc_tx_pause: /* Tx Flow control is enabled, and Rx Flow control is * disabled, by a software over-ride. */ mii_autoneg_adv_reg |= ADVERTISE_PAUSE_ASYM; mii_autoneg_adv_reg &= ~ADVERTISE_PAUSE_CAP; phy->autoneg_advertised |= ADVERTISED_Asym_Pause; phy->autoneg_advertised &= ~ADVERTISED_Pause; break; case e1000_fc_full: /* Flow control (both Rx and Tx) is enabled by a software * over-ride. */ mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); phy->autoneg_advertised |= (ADVERTISED_Pause | ADVERTISED_Asym_Pause); break; default: e_dbg("Flow control param set incorrectly\n"); return -E1000_ERR_CONFIG; } ret_val = e1e_wphy(hw, MII_ADVERTISE, mii_autoneg_adv_reg); if (ret_val) return ret_val; e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); if (phy->autoneg_mask & ADVERTISE_1000_FULL) ret_val = e1e_wphy(hw, MII_CTRL1000, mii_1000t_ctrl_reg); return ret_val; } /** * e1000_copper_link_autoneg - Setup/Enable autoneg for copper link * @hw: pointer to the HW structure * * Performs initial bounds checking on autoneg advertisement parameter, then * configure to advertise the full capability. Setup the PHY to autoneg * and restart the negotiation process between the link partner. If * autoneg_wait_to_complete, then wait for autoneg to complete before exiting. **/ static s32 e1000_copper_link_autoneg(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_ctrl; /* Perform some bounds checking on the autoneg advertisement * parameter. */ phy->autoneg_advertised &= phy->autoneg_mask; /* If autoneg_advertised is zero, we assume it was not defaulted * by the calling code so we set to advertise full capability. */ if (!phy->autoneg_advertised) phy->autoneg_advertised = phy->autoneg_mask; e_dbg("Reconfiguring auto-neg advertisement params\n"); ret_val = e1000_phy_setup_autoneg(hw); if (ret_val) { e_dbg("Error Setting up Auto-Negotiation\n"); return ret_val; } e_dbg("Restarting Auto-Neg\n"); /* Restart auto-negotiation by setting the Auto Neg Enable bit and * the Auto Neg Restart bit in the PHY control register. */ ret_val = e1e_rphy(hw, MII_BMCR, &phy_ctrl); if (ret_val) return ret_val; phy_ctrl |= (BMCR_ANENABLE | BMCR_ANRESTART); ret_val = e1e_wphy(hw, MII_BMCR, phy_ctrl); if (ret_val) return ret_val; /* Does the user want to wait for Auto-Neg to complete here, or * check at a later time (for example, callback routine). */ if (phy->autoneg_wait_to_complete) { ret_val = e1000_wait_autoneg(hw); if (ret_val) { e_dbg("Error while waiting for autoneg to complete\n"); return ret_val; } } hw->mac.get_link_status = true; return ret_val; } /** * e1000e_setup_copper_link - Configure copper link settings * @hw: pointer to the HW structure * * Calls the appropriate function to configure the link for auto-neg or forced * speed and duplex. Then we check for link, once link is established calls * to configure collision distance and flow control are called. If link is * not established, we return -E1000_ERR_PHY (-2). **/ s32 e1000e_setup_copper_link(struct e1000_hw *hw) { s32 ret_val; bool link; if (hw->mac.autoneg) { /* Setup autoneg and flow control advertisement and perform * autonegotiation. */ ret_val = e1000_copper_link_autoneg(hw); if (ret_val) return ret_val; } else { /* PHY will be set to 10H, 10F, 100H or 100F * depending on user settings. */ e_dbg("Forcing Speed and Duplex\n"); ret_val = hw->phy.ops.force_speed_duplex(hw); if (ret_val) { e_dbg("Error Forcing Speed and Duplex\n"); return ret_val; } } /* Check link status. Wait up to 100 microseconds for link to become * valid. */ ret_val = e1000e_phy_has_link_generic(hw, COPPER_LINK_UP_LIMIT, 10, &link); if (ret_val) return ret_val; if (link) { e_dbg("Valid link established!!!\n"); hw->mac.ops.config_collision_dist(hw); ret_val = e1000e_config_fc_after_link_up(hw); } else { e_dbg("Unable to establish link!!!\n"); } return ret_val; } /** * e1000e_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY * @hw: pointer to the HW structure * * Calls the PHY setup function to force speed and duplex. Clears the * auto-crossover to force MDI manually. Waits for link and returns * successful if link up is successful, else -E1000_ERR_PHY (-2). **/ s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data; bool link; ret_val = e1e_rphy(hw, MII_BMCR, &phy_data); if (ret_val) return ret_val; e1000e_phy_force_speed_duplex_setup(hw, &phy_data); ret_val = e1e_wphy(hw, MII_BMCR, phy_data); if (ret_val) return ret_val; /* Clear Auto-Crossover to force MDI manually. IGP requires MDI * forced whenever speed and duplex are forced. */ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data); if (ret_val) return ret_val; phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX; phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX; ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CTRL, phy_data); if (ret_val) return ret_val; e_dbg("IGP PSCR: %X\n", phy_data); udelay(1); if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on IGP phy.\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); if (ret_val) return ret_val; if (!link) e_dbg("Link taking longer than expected.\n"); /* Try once more */ ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); } return ret_val; } /** * e1000e_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY * @hw: pointer to the HW structure * * Calls the PHY setup function to force speed and duplex. Clears the * auto-crossover to force MDI manually. Resets the PHY to commit the * changes. If time expires while waiting for link up, we reset the DSP. * After reset, TX_CLK and CRS on Tx must be set. Return successful upon * successful completion, else return corresponding error code. **/ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data; bool link; /* Clear Auto-Crossover to force MDI manually. M88E1000 requires MDI * forced whenever speed and duplex are forced. */ ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; phy_data &= ~M88E1000_PSCR_AUTO_X_MODE; ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; e_dbg("M88E1000 PSCR: %X\n", phy_data); ret_val = e1e_rphy(hw, MII_BMCR, &phy_data); if (ret_val) return ret_val; e1000e_phy_force_speed_duplex_setup(hw, &phy_data); ret_val = e1e_wphy(hw, MII_BMCR, phy_data); if (ret_val) return ret_val; /* Reset the phy to commit changes. */ if (hw->phy.ops.commit) { ret_val = hw->phy.ops.commit(hw); if (ret_val) return ret_val; } if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on M88 phy.\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); if (ret_val) return ret_val; if (!link) { if (hw->phy.type != e1000_phy_m88) { e_dbg("Link taking longer than expected.\n"); } else { /* We didn't get link. * Reset the DSP and cross our fingers. */ ret_val = e1e_wphy(hw, M88E1000_PHY_PAGE_SELECT, 0x001d); if (ret_val) return ret_val; ret_val = e1000e_phy_reset_dsp(hw); if (ret_val) return ret_val; } } /* Try once more */ ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); if (ret_val) return ret_val; } if (hw->phy.type != e1000_phy_m88) return 0; ret_val = e1e_rphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; /* Resetting the phy means we need to re-force TX_CLK in the * Extended PHY Specific Control Register to 25MHz clock from * the reset value of 2.5MHz. */ phy_data |= M88E1000_EPSCR_TX_CLK_25; ret_val = e1e_wphy(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data); if (ret_val) return ret_val; /* In addition, we must re-enable CRS on Tx for both half and full * duplex. */ ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX; ret_val = e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, phy_data); return ret_val; } /** * e1000_phy_force_speed_duplex_ife - Force PHY speed & duplex * @hw: pointer to the HW structure * * Forces the speed and duplex settings of the PHY. * This is a function pointer entry point only called by * PHY setup routines. **/ s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; bool link; ret_val = e1e_rphy(hw, MII_BMCR, &data); if (ret_val) return ret_val; e1000e_phy_force_speed_duplex_setup(hw, &data); ret_val = e1e_wphy(hw, MII_BMCR, data); if (ret_val) return ret_val; /* Disable MDI-X support for 10/100 */ ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); if (ret_val) return ret_val; data &= ~IFE_PMC_AUTO_MDIX; data &= ~IFE_PMC_FORCE_MDIX; ret_val = e1e_wphy(hw, IFE_PHY_MDIX_CONTROL, data); if (ret_val) return ret_val; e_dbg("IFE PMC: %X\n", data); udelay(1); if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on IFE phy.\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); if (ret_val) return ret_val; if (!link) e_dbg("Link taking longer than expected.\n"); /* Try once more */ ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000, &link); if (ret_val) return ret_val; } return 0; } /** * e1000e_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex * @hw: pointer to the HW structure * @phy_ctrl: pointer to current value of MII_BMCR * * Forces speed and duplex on the PHY by doing the following: disable flow * control, force speed/duplex on the MAC, disable auto speed detection, * disable auto-negotiation, configure duplex, configure speed, configure * the collision distance, write configuration to CTRL register. The * caller must write to the MII_BMCR register for these settings to * take affect. **/ void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl) { struct e1000_mac_info *mac = &hw->mac; u32 ctrl; /* Turn off flow control when forcing speed/duplex */ hw->fc.current_mode = e1000_fc_none; /* Force speed/duplex on the mac */ ctrl = er32(CTRL); ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX); ctrl &= ~E1000_CTRL_SPD_SEL; /* Disable Auto Speed Detection */ ctrl &= ~E1000_CTRL_ASDE; /* Disable autoneg on the phy */ *phy_ctrl &= ~BMCR_ANENABLE; /* Forcing Full or Half Duplex? */ if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) { ctrl &= ~E1000_CTRL_FD; *phy_ctrl &= ~BMCR_FULLDPLX; e_dbg("Half Duplex\n"); } else { ctrl |= E1000_CTRL_FD; *phy_ctrl |= BMCR_FULLDPLX; e_dbg("Full Duplex\n"); } /* Forcing 10mb or 100mb? */ if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) { ctrl |= E1000_CTRL_SPD_100; *phy_ctrl |= BMCR_SPEED100; *phy_ctrl &= ~BMCR_SPEED1000; e_dbg("Forcing 100mb\n"); } else { ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); *phy_ctrl &= ~(BMCR_SPEED1000 | BMCR_SPEED100); e_dbg("Forcing 10mb\n"); } hw->mac.ops.config_collision_dist(hw); ew32(CTRL, ctrl); } /** * e1000e_set_d3_lplu_state - Sets low power link up state for D3 * @hw: pointer to the HW structure * @active: boolean used to enable/disable lplu * * Success returns 0, Failure returns 1 * * The low power link up (lplu) state is set to the power management level D3 * and SmartSpeed is disabled when active is true, else clear lplu for D3 * and enable Smartspeed. LPLU and Smartspeed are mutually exclusive. LPLU * is used during Dx states where the power conservation is most important. * During driver activity, SmartSpeed should be enabled so performance is * maintained. **/ s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; ret_val = e1e_rphy(hw, IGP02E1000_PHY_POWER_MGMT, &data); if (ret_val) return ret_val; if (!active) { data &= ~IGP02E1000_PM_D3_LPLU; ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); if (ret_val) return ret_val; /* LPLU and SmartSpeed are mutually exclusive. LPLU is used * during Dx states where the power conservation is most * important. During driver activity we should enable * SmartSpeed, so performance is maintained. */ if (phy->smart_speed == e1000_smart_speed_on) { ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); if (ret_val) return ret_val; data |= IGP01E1000_PSCFR_SMART_SPEED; ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); if (ret_val) return ret_val; } else if (phy->smart_speed == e1000_smart_speed_off) { ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); if (ret_val) return ret_val; data &= ~IGP01E1000_PSCFR_SMART_SPEED; ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); if (ret_val) return ret_val; } } else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) || (phy->autoneg_advertised == E1000_ALL_NOT_GIG) || (phy->autoneg_advertised == E1000_ALL_10_SPEED)) { data |= IGP02E1000_PM_D3_LPLU; ret_val = e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, data); if (ret_val) return ret_val; /* When LPLU is enabled, we should disable SmartSpeed */ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_CONFIG, &data); if (ret_val) return ret_val; data &= ~IGP01E1000_PSCFR_SMART_SPEED; ret_val = e1e_wphy(hw, IGP01E1000_PHY_PORT_CONFIG, data); } return ret_val; } /** * e1000e_check_downshift - Checks whether a downshift in speed occurred * @hw: pointer to the HW structure * * Success returns 0, Failure returns 1 * * A downshift is detected by querying the PHY link health. **/ s32 e1000e_check_downshift(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data, offset, mask; switch (phy->type) { case e1000_phy_m88: case e1000_phy_gg82563: case e1000_phy_bm: case e1000_phy_82578: offset = M88E1000_PHY_SPEC_STATUS; mask = M88E1000_PSSR_DOWNSHIFT; break; case e1000_phy_igp_2: case e1000_phy_igp_3: offset = IGP01E1000_PHY_LINK_HEALTH; mask = IGP01E1000_PLHR_SS_DOWNGRADE; break; default: /* speed downshift not supported */ phy->speed_downgraded = false; return 0; } ret_val = e1e_rphy(hw, offset, &phy_data); if (!ret_val) phy->speed_downgraded = !!(phy_data & mask); return ret_val; } /** * e1000_check_polarity_m88 - Checks the polarity. * @hw: pointer to the HW structure * * Success returns 0, Failure returns -E1000_ERR_PHY (-2) * * Polarity is determined based on the PHY specific status register. **/ s32 e1000_check_polarity_m88(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &data); if (!ret_val) phy->cable_polarity = ((data & M88E1000_PSSR_REV_POLARITY) ? e1000_rev_polarity_reversed : e1000_rev_polarity_normal); return ret_val; } /** * e1000_check_polarity_igp - Checks the polarity. * @hw: pointer to the HW structure * * Success returns 0, Failure returns -E1000_ERR_PHY (-2) * * Polarity is determined based on the PHY port status register, and the * current speed (since there is no polarity at 100Mbps). **/ s32 e1000_check_polarity_igp(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data, offset, mask; /* Polarity is determined based on the speed of * our connection. */ ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data); if (ret_val) return ret_val; if ((data & IGP01E1000_PSSR_SPEED_MASK) == IGP01E1000_PSSR_SPEED_1000MBPS) { offset = IGP01E1000_PHY_PCS_INIT_REG; mask = IGP01E1000_PHY_POLARITY_MASK; } else { /* This really only applies to 10Mbps since * there is no polarity for 100Mbps (always 0). */ offset = IGP01E1000_PHY_PORT_STATUS; mask = IGP01E1000_PSSR_POLARITY_REVERSED; } ret_val = e1e_rphy(hw, offset, &data); if (!ret_val) phy->cable_polarity = ((data & mask) ? e1000_rev_polarity_reversed : e1000_rev_polarity_normal); return ret_val; } /** * e1000_check_polarity_ife - Check cable polarity for IFE PHY * @hw: pointer to the HW structure * * Polarity is determined on the polarity reversal feature being enabled. **/ s32 e1000_check_polarity_ife(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data, offset, mask; /* Polarity is determined based on the reversal feature being enabled. */ if (phy->polarity_correction) { offset = IFE_PHY_EXTENDED_STATUS_CONTROL; mask = IFE_PESC_POLARITY_REVERSED; } else { offset = IFE_PHY_SPECIAL_CONTROL; mask = IFE_PSC_FORCE_POLARITY; } ret_val = e1e_rphy(hw, offset, &phy_data); if (!ret_val) phy->cable_polarity = ((phy_data & mask) ? e1000_rev_polarity_reversed : e1000_rev_polarity_normal); return ret_val; } /** * e1000_wait_autoneg - Wait for auto-neg completion * @hw: pointer to the HW structure * * Waits for auto-negotiation to complete or for the auto-negotiation time * limit to expire, which ever happens first. **/ static s32 e1000_wait_autoneg(struct e1000_hw *hw) { s32 ret_val = 0; u16 i, phy_status; /* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */ for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) { ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) break; ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) break; if (phy_status & BMSR_ANEGCOMPLETE) break; msleep(100); } /* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation * has completed. */ return ret_val; } /** * e1000e_phy_has_link_generic - Polls PHY for link * @hw: pointer to the HW structure * @iterations: number of times to poll for link * @usec_interval: delay between polling attempts * @success: pointer to whether polling was successful or not * * Polls the PHY status register for link, 'iterations' number of times. **/ s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, u32 usec_interval, bool *success) { s32 ret_val = 0; u16 i, phy_status; *success = false; for (i = 0; i < iterations; i++) { /* Some PHYs require the MII_BMSR register to be read * twice due to the link bit being sticky. No harm doing * it across the board. */ ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) { /* If the first read fails, another entity may have * ownership of the resources, wait and try again to * see if they have relinquished the resources yet. */ if (usec_interval >= 1000) msleep(usec_interval / 1000); else udelay(usec_interval); } ret_val = e1e_rphy(hw, MII_BMSR, &phy_status); if (ret_val) break; if (phy_status & BMSR_LSTATUS) { *success = true; break; } if (usec_interval >= 1000) msleep(usec_interval / 1000); else udelay(usec_interval); } return ret_val; } /** * e1000e_get_cable_length_m88 - Determine cable length for m88 PHY * @hw: pointer to the HW structure * * Reads the PHY specific status register to retrieve the cable length * information. The cable length is determined by averaging the minimum and * maximum values to get the "average" cable length. The m88 PHY has four * possible cable length values, which are: * Register Value Cable Length * 0 < 50 meters * 1 50 - 80 meters * 2 80 - 110 meters * 3 110 - 140 meters * 4 > 140 meters **/ s32 e1000e_get_cable_length_m88(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data, index; ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); if (ret_val) return ret_val; index = FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, phy_data); if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) return -E1000_ERR_PHY; phy->min_cable_length = e1000_m88_cable_length_table[index]; phy->max_cable_length = e1000_m88_cable_length_table[index + 1]; phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; return 0; } /** * e1000e_get_cable_length_igp_2 - Determine cable length for igp2 PHY * @hw: pointer to the HW structure * * The automatic gain control (agc) normalizes the amplitude of the * received signal, adjusting for the attenuation produced by the * cable. By reading the AGC registers, which represent the * combination of coarse and fine gain value, the value can be put * into a lookup table to obtain the approximate cable length * for each channel. **/ s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data, i, agc_value = 0; u16 cur_agc_index, max_agc_index = 0; u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1; static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = { IGP02E1000_PHY_AGC_A, IGP02E1000_PHY_AGC_B, IGP02E1000_PHY_AGC_C, IGP02E1000_PHY_AGC_D }; /* Read the AGC registers for all channels */ for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) { ret_val = e1e_rphy(hw, agc_reg_array[i], &phy_data); if (ret_val) return ret_val; /* Getting bits 15:9, which represent the combination of * coarse and fine gain values. The result is a number * that can be put into the lookup table to obtain the * approximate cable length. */ cur_agc_index = ((phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) & IGP02E1000_AGC_LENGTH_MASK); /* Array index bound check. */ if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) || (cur_agc_index == 0)) return -E1000_ERR_PHY; /* Remove min & max AGC values from calculation. */ if (e1000_igp_2_cable_length_table[min_agc_index] > e1000_igp_2_cable_length_table[cur_agc_index]) min_agc_index = cur_agc_index; if (e1000_igp_2_cable_length_table[max_agc_index] < e1000_igp_2_cable_length_table[cur_agc_index]) max_agc_index = cur_agc_index; agc_value += e1000_igp_2_cable_length_table[cur_agc_index]; } agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] + e1000_igp_2_cable_length_table[max_agc_index]); agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2); /* Calculate cable length with the error range of +/- 10 meters. */ phy->min_cable_length = (((agc_value - IGP02E1000_AGC_RANGE) > 0) ? (agc_value - IGP02E1000_AGC_RANGE) : 0); phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE; phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2; return 0; } /** * e1000e_get_phy_info_m88 - Retrieve PHY information * @hw: pointer to the HW structure * * Valid for only copper links. Read the PHY status register (sticky read) * to verify that link is up. Read the PHY special control register to * determine the polarity and 10base-T extended distance. Read the PHY * special status register to determine MDI/MDIx and current speed. If * speed is 1000, then determine cable length, local and remote receiver. **/ s32 e1000e_get_phy_info_m88(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 phy_data; bool link; if (phy->media_type != e1000_media_type_copper) { e_dbg("Phy info is only valid for copper media\n"); return -E1000_ERR_CONFIG; } ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) return ret_val; if (!link) { e_dbg("Phy info is only valid if link is up\n"); return -E1000_ERR_CONFIG; } ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); if (ret_val) return ret_val; phy->polarity_correction = !!(phy_data & M88E1000_PSCR_POLARITY_REVERSAL); ret_val = e1000_check_polarity_m88(hw); if (ret_val) return ret_val; ret_val = e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); if (ret_val) return ret_val; phy->is_mdix = !!(phy_data & M88E1000_PSSR_MDIX); if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) { ret_val = hw->phy.ops.get_cable_length(hw); if (ret_val) return ret_val; ret_val = e1e_rphy(hw, MII_STAT1000, &phy_data); if (ret_val) return ret_val; phy->local_rx = (phy_data & LPA_1000LOCALRXOK) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; phy->remote_rx = (phy_data & LPA_1000REMRXOK) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; } else { /* Set values to "undefined" */ phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; phy->local_rx = e1000_1000t_rx_status_undefined; phy->remote_rx = e1000_1000t_rx_status_undefined; } return ret_val; } /** * e1000e_get_phy_info_igp - Retrieve igp PHY information * @hw: pointer to the HW structure * * Read PHY status to determine if link is up. If link is up, then * set/determine 10base-T extended distance and polarity correction. Read * PHY port status to determine MDI/MDIx and speed. Based on the speed, * determine on the cable length, local and remote receiver. **/ s32 e1000e_get_phy_info_igp(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; bool link; ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) return ret_val; if (!link) { e_dbg("Phy info is only valid if link is up\n"); return -E1000_ERR_CONFIG; } phy->polarity_correction = true; ret_val = e1000_check_polarity_igp(hw); if (ret_val) return ret_val; ret_val = e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data); if (ret_val) return ret_val; phy->is_mdix = !!(data & IGP01E1000_PSSR_MDIX); if ((data & IGP01E1000_PSSR_SPEED_MASK) == IGP01E1000_PSSR_SPEED_1000MBPS) { ret_val = phy->ops.get_cable_length(hw); if (ret_val) return ret_val; ret_val = e1e_rphy(hw, MII_STAT1000, &data); if (ret_val) return ret_val; phy->local_rx = (data & LPA_1000LOCALRXOK) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; phy->remote_rx = (data & LPA_1000REMRXOK) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; } else { phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; phy->local_rx = e1000_1000t_rx_status_undefined; phy->remote_rx = e1000_1000t_rx_status_undefined; } return ret_val; } /** * e1000_get_phy_info_ife - Retrieves various IFE PHY states * @hw: pointer to the HW structure * * Populates "phy" structure with various feature states. **/ s32 e1000_get_phy_info_ife(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; bool link; ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) return ret_val; if (!link) { e_dbg("Phy info is only valid if link is up\n"); return -E1000_ERR_CONFIG; } ret_val = e1e_rphy(hw, IFE_PHY_SPECIAL_CONTROL, &data); if (ret_val) return ret_val; phy->polarity_correction = !(data & IFE_PSC_AUTO_POLARITY_DISABLE); if (phy->polarity_correction) { ret_val = e1000_check_polarity_ife(hw); if (ret_val) return ret_val; } else { /* Polarity is forced */ phy->cable_polarity = ((data & IFE_PSC_FORCE_POLARITY) ? e1000_rev_polarity_reversed : e1000_rev_polarity_normal); } ret_val = e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); if (ret_val) return ret_val; phy->is_mdix = !!(data & IFE_PMC_MDIX_STATUS); /* The following parameters are undefined for 10/100 operation. */ phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; phy->local_rx = e1000_1000t_rx_status_undefined; phy->remote_rx = e1000_1000t_rx_status_undefined; return 0; } /** * e1000e_phy_sw_reset - PHY software reset * @hw: pointer to the HW structure * * Does a software reset of the PHY by reading the PHY control register and * setting/write the control register reset bit to the PHY. **/ s32 e1000e_phy_sw_reset(struct e1000_hw *hw) { s32 ret_val; u16 phy_ctrl; ret_val = e1e_rphy(hw, MII_BMCR, &phy_ctrl); if (ret_val) return ret_val; phy_ctrl |= BMCR_RESET; ret_val = e1e_wphy(hw, MII_BMCR, phy_ctrl); if (ret_val) return ret_val; udelay(1); return ret_val; } /** * e1000e_phy_hw_reset_generic - PHY hardware reset * @hw: pointer to the HW structure * * Verify the reset block is not blocking us from resetting. Acquire * semaphore (if necessary) and read/set/write the device control reset * bit in the PHY. Wait the appropriate delay time for the device to * reset and release the semaphore (if necessary). **/ s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw) { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u32 ctrl; if (phy->ops.check_reset_block) { ret_val = phy->ops.check_reset_block(hw); if (ret_val) return 0; } ret_val = phy->ops.acquire(hw); if (ret_val) return ret_val; ctrl = er32(CTRL); ew32(CTRL, ctrl | E1000_CTRL_PHY_RST); e1e_flush(); udelay(phy->reset_delay_us); ew32(CTRL, ctrl); e1e_flush(); usleep_range(150, 300); phy->ops.release(hw); return phy->ops.get_cfg_done(hw); } /** * e1000e_get_cfg_done_generic - Generic configuration done * @hw: pointer to the HW structure * * Generic function to wait 10 milli-seconds for configuration to complete * and return success. **/ s32 e1000e_get_cfg_done_generic(struct e1000_hw __always_unused *hw) { mdelay(10); return 0; } /** * e1000e_phy_init_script_igp3 - Inits the IGP3 PHY * @hw: pointer to the HW structure * * Initializes a Intel Gigabit PHY3 when an EEPROM is not present. **/ s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw) { e_dbg("Running IGP 3 PHY init script\n"); /* PHY init IGP 3 */ /* Enable rise/fall, 10-mode work in class-A */ e1e_wphy(hw, 0x2F5B, 0x9018); /* Remove all caps from Replica path filter */ e1e_wphy(hw, 0x2F52, 0x0000); /* Bias trimming for ADC, AFE and Driver (Default) */ l/ethtool.h e1e_wphy(hw, 0x2FB1, 0x8B24); /* Increase Hybrid poly bias */ e1e_wphy(hw, 0x2FB2, 0xF8F0); /* Add 4% to Tx amplitude in Gig mode */ u16 *,boolread bool java.lang.StringIndexOutOfBounds 0 ,0,0 ,0 ,0 ,5 ,11,, 16, 18 ,0 0,0 , / e1e_wphy(hw, 0x2011, 0x0000); /* Poly DC correction to 94.6% + 2% for all channels */ e1e_wphy( xD, 0x249A)java.lang.StringIndexOutOfBoundsException: Index 30 out of bo / h,020DE xD); /* BG temp curve trim */ 0,java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 3 /* Increasing ADC OPAMP stage 1 currents to max */* @hwpointerto HW structure e1e_wphy(hw, 0x2F70, 0x29E4); /* Force 1000 ( required for enabling PHY regs configuration) */ e1e_wphy(hw, 0x0000, 0x0140); /* Set upd_freq to 6 */ e1e_wphy(hw, 0x1F30, 0x1606); *e1000e_get_phy_id Retrieve PHY and revision e1e_wphy(hw, 0x1F31,0xB814; /* Disable adaptive fixed FFE (Default) */ e1e_wphy(hw, 0x1F35, 0x002A); /* Enable FFE hysteresis */ e1e_wphy(hw, 0x1F3E, 0x0067); /* Fixed FFE for short cable lengths */ e1e_wphy(hw{ /* Fixed FFE for medium cable lengths */ e1e_wphy(hw, 0x1F55, 0x002A); /* Fixed FFE for long cable lengths */s32 ret_val = 0java.lang.StringIndexOutOfBoundsExcep e1e_wphy(hw, 0x1F56, x002AA; /* Enable Adaptive Clip Threshold */ e1e_wphy(hw, 20,40); /* AHT reset limit to 1 */if( ret_val 1e_wphyhw 0176,0xC0FF /* Set AHT master delay to 127 msec */ e1e_wphy(w, 01EC; /* Set scan bits for AHT */ 1e_wphy(,0x1F78,0xF9EF); /* Set AHT Preset bits */ e1e_wphy(hw, 0x1F79, 0x0210); /* Change integ_factor of channel A to 3 */ e1e_wphy( *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for l / e1e_wphy(hw, x1796,00008); voide1000e_enable_phy_retry(struct e1000_hw *hw) e1e_wphy(hw, 0x1798, 0xD008); Changecg_icount +enable integbp + change prop_factor_master *to8 forchannelA */ e1e_wphy(hw, 0x1898, 0xD918); /* Disable AHT in Slave mode on channel A */ e1e_wphy(hw, 0x187A, 0x0800); /* Enable LPLU and disable AN to 1000 in non-D0a states, * Enable SPD+B2B */ e1e_wphy(hw, 0x0019, 0x008D); /* Enable restart AN on an1000_dis change */ bool success; / Enable wh_fifo read clock in 10/100 modes */ e1e_wphy(hw, x0014, x0045); /* Restart AN, Speed selection is 1000 */ e1e_wphy(hw, 0x0000, 0x1340); return 0; } /** * -Get type id * @hy_id phy_id read from the phy * * Returns the phy type from the id. **/ enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id) { enume1000_phy_type phy_type = e1000_phy_unknown; switch ;i<(1000GEN_POLL_TIMEOUT *3) +){ case M88E1000_I_PHY_ID: case M88E1000_E_PHY_ID: caseM88E1111_I_PHY_ID case: phy_type=e1000_phy_m88; break; case IGP01E1000_I_PHY_ID: /* IGP 1 & 2 share this */ phy_type = e1000_phy_igp_2 } break; case GG82563_E_PHY_ID: phy_type =e1000_phy_gg82563; break; case IGP03E1000_E_PHY_ID: phy_type = e1000_phy_igp_3; break; case IFE_E_PHY_ID: case IFE_PLUS_E_PHY_ID: case IFE_C_E_PHY_ID: phy_type = e1000_phy_ife; eakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 case BME1000_E_PHY_ID: case BME1000_E_PHY_ID_R2: phy_type = e1000_phy_bm; break; case struct e1000_phy_info *phy = &hw->phy; phy_type = e1000_phy_82578; break; case I82577_E_PHY_ID: phy_type = e1000_phy_82577; break; case I82579_E_PHY_ID: phy_type = e1000_phy_82579; break; case I217_E_PHY_ID: * to desired data. phy_type = e1000_phy_i217; break; java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 mdic MDIC; java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 } returnphy_type; } /** DeterminesPHY . * hw pointer to HW structure * nd to loop through necessary, then reads PHY at offset * checking for a match. **/ s32 semaphores before exiting. { =java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 u32 i; enum e1000_phy_type phy_type = e1000_phy_unknown hw->phy.id * for (phy_addr = 0; phy_addr < E1000_MAX_PHY_ADDR; phy_addr++) { hw->phy.addr = phy_addr; i = 0; do e1000e_write_phy_reg_m88struct e1000_hw *hw, u32 u16 ) e1000e_get_phy_idh)java.lang.StringIndexOutOfBoundsException: Index 25 out of bo phy_type /* If phy_type is valid, break - we found our * PHY address */ if (phy_type != e1000_phy_unknown) return0; usleep_range(1000, 2000); i++; } whilejava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds fo } return -E1000_ERR_PHY_TYPE; /** * e1000_get_phy_addr_for_bm_page - Retrieve PHY page address * @page: * semaphores beforeexiting * @reg: register to java.lang.StringIndexOutOfBoundsException: Range [0, 27) out of * * ()ffset)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for l **/ static u32 e1000_get_phy_addr_for_bm_page(u32 page, u32 reg) { u32 phy_addr = 2; if ((page >= 768) || (page == 0 && reg == phy_addr *semaphore thenreads PHYPHY registerat stores the return phy_addr; } /** *e1000e_write_phy_reg_bm --BM register * @hw: pointer to the HW structure * @offset: register offset to write to :pointerto the data * * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data) { s32 ret_val; u32 page = offset >> IGP_PAGE_SHIFT; ret_val = hw->phy.ops.acquire(hw); if(ret_valjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for ret_val /* Page 800 works differently than the rest so it has its own func */ p = BM_WUC_PAGE { ret_val(hw offset,&data, false, false); goto release; } hw->hyaddr=e1000_get_phy_addr_for_bm_page(page, offset); if (offset >) { u32 page_shift,page_select; select is register 31 for phy address 1 and 22 for * phy java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length * phy address 1. * if (hw->phy.addr == 1) { page_shift = @hw pointer to the HW structure page_select =IGP01E1000_PHY_PAGE_SELECT; } else { page_shift = 0; } ret_val = e1000e_write_phy_reg_mdic(hw, page_select, / if (ret_val) goto release; } ret_val = * @offset: register* @ffset: register to be read data); release: hw->phy.ops.release(hw); return ret_val; } /** * e1000e_read_phy_reg_bm - Read BM PHY register * @hw to HW structure * @offset: register offset to be read * @data: pointer to the read data ,if , then the registerat offset * and java.lang.StringIndexOutOfBoundsException: Range [28, 24) out of bounds for leng **/ e1000e_read_phy_reg_bm *, u32offset u16 { s32 ret_val; u32 page = offset >> IGP_PAGE_SHIFT; ret_val = hw->phy.s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data) if (ret_val) return ret_val; /* Page 800 works differently than the rest so it has its own func */ if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, data, true, false); goto java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length } hw->phy.addr = e1000_get_phy_addr_for_bm_page(page, offset); if u32 page_shift, page_select; /* Page select is register 31 for phy address 1 and 22 for * phy address 2 and 3. Page select is shifted only for * phy address 1. */ if (hw->phy.addr == 1) { page_shift = IGP_PAGE_SHIFT; page_select = IGP01E1000_PHY_PAGE_SELECT; } else { page_shift = 0; page_select = BM_PHY_PAGE_SELECT; } /* Page is shifted left, PHY expects (page x 32) */ ret_val hw, page_select, (page if (ret_val) !) } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); release: hw->phy.ops.release(hw); return ret_val; } /** * e1000e_read_phy_reg_bm2 - Read BM PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: pointer to the read data * * Acquires* - kumeranregister * and storing the retrieved information in data. Release any acquired * semaphores before exiting. **/ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, * { s32 ret_val; u16 page = (u16)(offset >> IGP_PAGE_SHIFT); ret_val = hw->phy.ops*Assumes alreadyacquired. if (ret_val) return ret_val; java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 if (page == BM_WUC_PAGE) { _ true, false); goto release; } -phy. 1java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for leng if ( :e1000_ms_force_slave) : e1000_ms_auto; /* Page is shifted left, PHY expects (page x 32) */ ret_val java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for len page); java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 14 goto release; } ret_val = e1000e_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); releases32 e1000_copper_link_setup_82577(e1000_hwhw) .ps(hw); return ret_val; } /** eg_bm2- Write BM * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * * Acquires semaphore0: * at the offset. Release any java.lang.StringIndexOutOfBoundsException: Range [42, 41) **/ s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data) { s32 ret_val; u16 page = (u16)(* Sets up MDI/MDI-X and form88' necessary transmitclock ret_val = hw->phy.ops.acquire(hw); if ( * 1 - return ret_val; p-type= { page = M_WUC_PAGE) { ret_val = ret_val = e1e_wphy,java.lang.StringIndexOutOfBoundsException: Index 49 ou ,false)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for len goto return ret_val; } hw->phy.addr = ; if (phy>id!=BME1000_E_PHY_ID_R2) java.lang.StringIndexOutOfBoundsException: Index 4 /* Page is shifted left, PHY expects (page x 32) */ ret_val = e1000e_write_phy_reg_mdic(hw, java.lang.StringIndexOutOfBoundsException: page); ( release; } ret_val = e1000e_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset, data); release: hw->phy.ops.release( if ((phy->type == e1000_)& p-id = BME1000_E_PHY_ID_R2java.lang. return ret_val; } /** java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for leng * @:java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for l java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * return java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for leng * java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for lengt **/ s32java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 { s32 ret_val; u16 temp; /* All page select, port ctrl and wakeup registers use phy address 1 */ hw->phy.addr = 1; /* Select Port Control Registers page */ ret_val = e1000_set_page_igp(hw, (BM_PORT_CTRL_PAGE << IGP_PAGE_SHIFT)); if (ret_val) { e_dbg("java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for leng ret_valjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for len } ret_val = e1000e_read_phy_reg_mdic(hw, java.lang.StringIndexOutOfBoundsException: I if (ret_val) { e_dbg("Could not read PHY register %d.%d\n", BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); ret_val =hw-phy.set_d0_lplu_state(w ; } /* Enable both PHY wakeup mode and Wakeup register page writes. ent by PHY . */ *java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for leng temp &/* when autonegotiation advertisement is only 1000Mbps the java.lang.StringIndexOutOfBoundsException: Range [39, 36) out of bounds for leng java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length e_dbg("Could not java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of BM_PORT_CTRL_PAGE, BM_WUC_ENABLE_REG); return ret_val; /* Select Host Wakeup Registers page - caller now able to write * registers on the Wakeup registers page */ java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length } /** * e1000_disable_phy_wakeup_reg_access_bm - disable access to BM wakeup regs * @hw * , )java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length * * Restore BM_WUC_ENABLE_REG to its original value. * * Assumes semaphore already acquired and *phy_reg is the contents of the * BM_WUC_ENABLE_REG before register(s) on BM_WUC_PAGE were accessed by * **/ e_dbgjava.lang.StringIndexOutOfBoundsException: Range [30, 26) out of bounds for { s32 ret_val; "dvertise 10 duplexn)java.lang.StringIndexOutOfBoundsException: Index 40 out of bo ret_val=e1000_set_page_igphw, B <))java.lang.StringIndexOutOfBoundsException: Index "dvertise Half duplex\"; e_dbg("Could not set Port Control page\n"); return ret_val; } /* Restore 769.17 to its original value */ java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for leng java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13 e_dbg("Could not restore PHY register %d.%d\n", java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for leng return * thejava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bound } /** java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for leng * @hw: pointer to the HW structure * @offset: * butnot java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of * @data: pointer to the data to read java.lang.StringIndexOutOfBoundsException: Range [1 * @read: determines if operation is read or write BM_WUC_PAGE set enabled * * Read the PHY register at offset and store the retrieved information in * data, or write data to PHY register at offset. Note the procedure to * access the PHY wakeup registers is different than reading the other PHY ks as : * 1) Set 769.17.2 ( phy-> |= java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 ) Write address using theaddress opcode (0x11) * 4) Read or writephyautoneg_advertised &= ~java.lang.StringIndexOutOfBoundsExcep * 5) Restore 769.17.2 to its original value * * Steps 1 and 2 are done by e1000_enable_phy_wakeup_reg_access_bm() and * step 5 * -1000E; * Assumes ret_val = e1e_wphy e1e_wphy(, MII_ADVERTISE,mii_autoneg_adv_reg; * the PHY java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for leng * is responsible for to [nabledisable]p(). **/ static* SetupEnableforcopper u16 *data, bool read, hw: pointertotheHW structure { s32 ret_val; u16 reg = BM_PHY_REG_NUM(offset); u16 page the link . java.lang.StringIndexOutOfBoundsException: Range [69, 70) out of u16 phy_reg = 0; /* Gig must be disabled for MDIO accesses to Host Wakeup reg page */ (hw>.type= e1000_pchlan &java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 (!((PHY_CTRL & )java.lang.StringIndexOutOfBoundsException: Index 54 out of bou e_dbg("Attempting to access page %d while gig enabled.\n", page);oneg_advertised if (!page_set) { /* Enable access to PHY wakeup registers */ e1000_enable_phy_wakeup_reg_access_bm,); if (ret_val) { e_dbg("Could not enable PHY wakeup /* Restart auto-negotiation by setting the Neg bit and the AutoNeg bit the PHY registerjava.lang.StringIndexOutOfBoundsException: Index 57 o } } e_dbg("Accessing PHY page %d reg 0x%x\java.lang.StringIndexOutOfBoundsException: Inde /* Write the Wakeup register page offset value using opcode 0x11 */ ret_val = e1000e_write_phy_reg_mdic(hw, ret_val = e1000_wait_autoneg(hw); if ( (et_val)java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for e_dbg"Could not writeaddress opcodeto page%dn, page); return ret_val; } if - Configure linksettings /* Read the Wakeup register page value using opcode 0x12 */ ret_val = e1000e_read_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE, data); } else { /* Write the Wakeup register page value using opcode 0x12 */ ret_val = e1000e_write_phy_reg_mdic(hw, BM_WUC_DATA_OPCODE, *data); } if (ret_val) { java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length return ret_val; } (page_set) ret_val = e1000_disable_phy_wakeup_reg_access_bm(hw, &phy_reg); return ret_val; } /** * e1000_power_up_phy_copper(){ * * * driver unload, or wake on lan is not enabled, restore the link to previous *. **/ void e1000_power_up_phy_copper(struct else{ { u16 int ret; /* The PHY will retain its settings across a power down/up cycle */ pointertotheHW ret = * Calls thePHYsetup to and Clearsthe if (ret) { e_dbg("Error reading PHY register\n"); return; } mii_reg &= ~BMCR_PDOWN; e1e_wphy(hw, MII_BMCRstruct e1000_phy_info * =&-hy } /** * e1000e_phy_force_speed_duplex_setup(,&hy_data); * @hw: pointer toret_val) * * In the case of a PHY power down to save power, or to turn off link during a * driver unload, orjava.lang.StringIndexOutOfBoundsException: Range [49, 48) out of * settings. **/ void e1000_power_down_phy_copper(struct e1000_hw *hw) { u16 mii_reg = 0; int ret; settings a /up *java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds f ret = e1e_rphy(hw, MII_BMCR, &mii_reg); if (ret) { e_dbg("Error reading PHY register\n"); } mii_reg |= BMCR_PDOWN; e1e_wphy(hw, MII_BMCR, mii_reg); usleep_range( * crossoverto force MDI manually. Resets the PHY tocommitthe } /** * __e1000_read_phy_reg_hv - Read HV PHY register * @hw: pointer to the HW structure * @offset: register offset to be read * @data: struct e1000_phy_info *phy = &hw->phy; * @locked: semaphore hasbool link; * @age_set BM_WUC_PAGE already setand enabled * * * and stores the retrieved information in data. Release any acquired *before . **/ static s32 __java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for bool locked, page_set) { ret_val u16 page = BM_PHY_REG_PAGE(ffset; u16 reg = BM_PHY_REG_NUM(offset); u32 phy_addr = hw->phy.addr = java.lang.StringIndexOutOfBoundsException: Index 47 out if (!locked) { ret_val=hw-.ps(hwjava.lang.StringIndexOutOfBoundsException: Index 36 out of boun if (ret_val) return ret_val; } e_dbg"ink longer than expected.n) if (page == BM_WUC_PAGE) { ret_val = e1000_access_phy_wakeup_reg_bm(hw ret_val = e1e_wphy(,M88E1000_PHY_PAGE_SEL true, page_set); out; } if (page > / ret_val = e1000_access_phy_debug_regs_hv(hw, offset, data); goto out; } if (!page_set) { if (page == HV_INTC_FC_PAGE_START) page = 0; if (reg java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for lengt /* Page is shifted left, PHY expects (page x 32) */ ret_val = e1000_set_page_igp(hw, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 hw->phy.addr = phy_addr; if (ret_val) goto out; * } e_dbg(" link page << IGP_PAGE_SHIFT, java.lang.StringIndexOutOfBoundsException: Index 33 out of bo hw, MAX_PHY_REG_ADDRESS reg data)java.lang.StringIndexOutOfBoundsException: Index 7 out: if (!locked) hw-phy.ops.h)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds f returndata & ; } /** * e1000_read_phy_reg_hv - Read HV PHYjava.lang.StringIndexOutOfBoundsException: Index * @hw: 100000&ink; *offset java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds f * @ java.lang.StringIndexOutOfBoundsException: Range [43, 39) out of bounds for le * * Acquires java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for le * * java.lang.StringIndexOutOfBoundsException: Range [42, 39) out of bounds for len **/ e1000_read_phy_reg_hv( java.lang.StringIndexOutOfBoundsException: Range [42, 41) { _hw data, falsefalse)java.lang.StringIndexOutOfBoundsException: Index 64 out of bo } /** * e1000_read_phy_reg_hv_locked - Read HV PHY register * @hw: pointer to the HW structure * @offset: register * caller must write to the registerregister theseto * @data: pointer to the read data * * Reads the PHY register at offset and java.lang.StringIndexOutOfBoundsException: Index * /* Force speed/duplex on the mac */ **/ s32 e1000_read_phy_reg_hv_lockedjava.lang.StringIndexOutOfBoundsException: Index { return __e1000_read_phy_reg_hv(hw, offsetphy_ctrl & ~java.lang.StringIndexOutOfB } mac>java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for /** *e1000_read_phy_reg_page_hv Read HV PHY * @hw: pointer to the set: offset to to * @data: data to write at register offset * * Reads ctrl &= ~(E java.lang.StringIndexOutOfBoundsException: Range [54, 52) ou * in data. hw->mac.ops.config_ch)java.lang.StringIndexOutOfBoundsException: Index 3 **/ s32 e1000_read_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, u16 *java.lang.StringIn { return __e1000_read_phy_reg_hv(hw, offset, data, true, true); } /** * __e1000_write_phy_reg_hv - Write HV PHY register * @hw: pointer to the HW structure * @offset: register offset to write to * @data: data to write at register offset * @locked: semaphore has already been acquired or not * @page_set: BM_WUC_PAGE already set and access enabled java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 * Acquires semaphore, if necessary, then writes the data to PHY register * at the offset. Release any acquired semaphores before exiting. **/ static s32 ret_val = e1e_rphy(wIGP02E1000_PHY_POWER_MGMTdata); returnret_val; java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 s32ret_val; u16 page = BM_PHY_REG_PAGE(offset); / u32 phy_addr = hw->phy.addr = e1000_get_phy_addr_for_hv_page(page); if (!locked) { ret_val=e1e_rphy(w, , if (ret_val) return ret_val; } /* Page 800 works differently than the rest so it has its own func */ ifp= ret_val = e1000_access_phy_wakeup_reg_bm(hw, offset, &data, returnret_val; goto out; } if (page > 0&&page<HV_INTC_FC_PAGE_START){ ret_val = e1000_access_phy_debug_regs_hv(hw, offset} &data,phy> =java.lang.StringIndexOutOfBoundsException: Range [52, 50) out of bounds for goto out; } if (!page_setret_val e1e_rphy( ,&data)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 if (page == HV_INTC_FC_PAGE_START) page = 0; /* Workaround MDIO accesses being disabled after entering IEEE * Power Down (when bit 11 of the PHY Control register / */ *java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for len (hw->phy.revision >= 1) && (00e_check_downshift(struct e1000_hw *hw) !(MAX_PHY_REG_ADDRESS e1000_phy_info phy=&w>hyjava.lang.StringIndexOutOfBoundsExce u16 data2 = 0x7EFF; ret_val = e1000_access_phy_debug_regs_hv(hw, BIT(6) | 0x3, & = ; if (ret_val goto out; } : = java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 ret_val = e1000_set_page_igp(hw, ( < )) hw->phy.addr = phy_addr; if (ret_val) goto out; } } e_dbg("writing PHY page %d (or 0x%x shifted) reg 0x%x\n", page, page< reg; ret_val = e1000e_write_phy_reg_mdic(hw, java.lang.StringIndexOutOfBoundsException: ; out: if (!locked) hw->phy.ops ? return ret_val; } /** * e1000_write_phy_reg_hv - Write HV PHY register * hw pointer to the HW to java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for le * s32e1000_check_polarity_igp(truct hw * * Acquires data, offsetmask; * Release acquired semaphoresbefore . **/ s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data) { return_e1000_write_phy_reg_hv(w, offset, ,false; } /** IGP01E1000_PSSR_SPEED_1000MBPS) { * hw:pointer HW * @offset: register offset to write to :data to write at register offset java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 * Writes the data to PHY if (ret_val) * already phy->cable_polarity= (ata & ask **/ s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, u16 data) { return __e1000_write_phy_reg_hv(hw, offset, data, true, false); } /** * e1000_write_phy_reg_page_hv - Write HVreturn ret_val; * @hw: pointer to the HW structure * * @data: data to write at register offset * * Writes the data to PHY register at the offset. Assumes semaphore * already acquired and page already set. **/ s32 e1000_write_phy_reg_page_hv(struct e1000_hw *hw, u32 java.lang.StringIndexOutOfBo { return __e1000_write_phy_reg_hv(hw, offset, data, true, true); } /** * e1000_get_phy_addr_for_hv_page - Get PHY address based on page * @page: page to} { **/ u32 e1000_get_phy_addr_for_hv_page(u32 page { u32=2; ) phy_addr = 1; return phy_addr; } /** * e1000_access_phy_debug_regs_hv - Read HV PHY vendor specific high registers * @hw: pointer to the HW structure * @offset: register offset to* limit expire,which ever . * @data: pointer to the data to be read or java.lang.StringIndexOutOfBoundsException: Inde /* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */ * * Reads the PHY register at offset and stores the retrieved ( PHY_AUTO_NEG_LIMIT;i> ; i- * in data. Assumes semaphore java.lang.StringIndexOutOfBoundsException: Index 38 out * toaccess regs uses the address port and data port read/rite * These accesses done with PHY address 2 and without using pages. **/ java.lang.StringIndexOutOfBoundsException: Range [18, 6) out of bounds for lengt u16 *data, bool read) { s32 ret_val; u32 addr_reg; u32 data_reg; /* This takes care of the difference with desktop vs mobile phy */ addr_reg=((>phy.==e1000_phy_82578 java.lang.StringIndexOutOfBoundsException: Index I82578_ADDR_REG : I82577_ADDR_REG); data_reg = addr_reg + 1; /* All operations in this function are phy address 2 */ hw->phy.addr = 2; 0 java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for len ( 0 i iterations i+)java.lang.StringIndexOutOfBoundsException: Index 35 out of bound if java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 1 e_dbg("Could not write the Address Offset port register\n"); return ret_val; } java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 if (read) ret_val java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for len else ret_val = e1000e_write_phy_reg_mdic if (ret_val) e_dbg("Could not access the Data port success = true; return ret_val; } /** *e1000_link_stall_workaround_hv -Si workaround * @hw: pointer to the HW structure * * This function works around a Si bug where *e1000e_get_cable_length_m88 - Determine cable le * a up indicationbefore PHYdoes.If java.lang.StringIndexOutOfBoundsException: Range [ * by the link partner they can be placed in the packet buffer without * being properly accounted for by the PHY and will stall preventing * further packets from being received. The workaround is to clear the * packet buffer after the PHY detects link up. **/ s32 java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length { java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length u16 data; if (hw->phy.type != e1000_phy_82578) return 0; /* Do not apply workaround if in PHY loopback bit 14 set */ ret_val = e1e_rphy(hw, MII_BMCR, &data); if (ret_val) { e_dbg("Error reading PHY register\n"); returnret_val; } if (data & BMCR_LOOPBACK) return 0; /* check if link is up and at 1Gbps */phy>max_cable_lengthindex+1; if (ret_val) return data*@pointerto theHW BM_CS_STATUS_SPEED_MASK); if (data != (BM_CS_STATUS_LINK_UP | BM_CS_STATUS_RESOLVED | BM_CS_STATUS_SPEED_1000)) return 0; msleep(200); /* flush the packets in the fifo buffer */ s32e1000e_get_cable_length_igp_2struct *) ( | HV_MUX_DATA_CTRL_FORCE_SPEEDphy_data i,agc_value =0; ) return ret_val; return e1e_wphy(hw, HV_MUX_DATA_CTRL, HV_MUX_DATA_CTRL_GEN_TO_MAC); } /** * e1000_check_polarity_82577 - Checks the polarity. * @hw: pointer to HWstructure * *Success 0,Failurereturns E1000_ERR_PHY -2java.lang.StringIndexOutOfBoundsException * * Polarity is determined based on the PHY specific status register. **/ s32 e1000_check_polarity_82577(struct e1000_hw *hw) { (ur_agc_index== 0) s32 ret_val; ret_val e1000_igp_2_cable_length_table[cur_agc_index]) if (!ret_val) phy->cable_polarity = ((data & java.lang.StringIndexOutOfBoundsException: Index 5 ? e1000_rev_polarity_reversed : e1000_rev_polarity_normal); return ret_val; } /**/**-min_cable_length ((-IGP02E1000_AGC_RANGE) >0) ? * e1000_phy_force_speed_duplex_82577 - Force speed/duplex for I82577 PHY * * * Calls the PHY setup function to force speed and **/ s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw) { e1000_phy_info * =&->; s32 ret_val; booljava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length ret_val = e1e_rphy(hw, MII_BMCR, &phy_data); java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 ret_val e1000e_phy_force_speed_duplex_setup(hw, w MII_BMCR,phy_data); if (ret_val) return ret_val; udelay(if (java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for if (phy->autoneg_wait_to_complete) { e_dbg("Waiting for forced speed/duplex link on 82577 phy\n"); ret_val = e1000e_phy_has_link_generic(hw, PHY_FORCE_LIMIT, 100000,link if (ret_val) returnret_val =h,, p; if (!link) e_dbg( /* Try once more */ ret_val = e1000e_phy_has_link_generic(hw, ATUS phy_data); ret_val } return ret_val; } /** * e1000_get_phy_info_82577 - phy-local_rx phy_data&) hw: pointer to HWjava.lang.StringIndexOutOfBoundsException: Range [36, 37) out of b * * set/determine 10base-T extended distance and polarity correction. Read * @hw:pointer to the HW structure * determine on the cable length, local and remote receiver. **/ java.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for leng { struct e1000_phy_info *phy = &hw->phy; s32 ret_val; u16 data; bool ret_val = e1000e_phy_has_link_generic(hw, 1, 0, &link); if (ret_val) return ret_val; if (!link) { return - } phy ret_val =e1e_rphy(hw, IGP01E1000_PHY_PORT_STATUS, &data)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 ret_val = e1000_check_polarity_82577(hw); if (ret_val) return ret_val; ret_val =e1e_rphy(hw,I82577_PHY_STATUS_2, &data)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52 if return return ret_val phy-->ocal_rx= ( & LPA_1000LOCALRXOK) phy->is_mdix = !!(data & I82577_PHY_STATUS2_MDIX); if((ata I82577_PHY_STATUS2_SPEED_MASK) == I82577_PHY_STATUS2_SPEED_1000MBPS) { phy>cable_length = E1000_CABLE_LENGTH_UNDEFINED; if (ret_val) return ret_val; ret_val = e1e_rphy(hw, MII_STAT1000, &data); if (ret_val) return ret_val; phy->local_rx = (data & LPA_1000LOCALRXOK) ? e1000_1000t_rx_status_ok*@hw pointer the HW structure phy->remote_rx = (data & LPA_1000REMRXOK) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; }} lse { phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED; phy->local_rx = e1000_1000t_rx_status_undefined; phy->remote_rx = e1000_1000t_rx_status_undefined; } return 0; } /** * e1000_get_cable_length_82577 - Determine cable length for 82577 PHY * @hw pointer to the HW structure * * Reads the diagnostic status register and verifies result is valid before * placing it in the phy_cable_length field. **/ s32 e1000_get_cable_length_82577(struct e1000_hw *hw) { struct e1000_phy_info e1000_rev_polarity_reversed s32 ret_val; u16 phy_data, length;ret_val= e1e_rphy(hw, IFE_PHY_MDIX_CONTROL, &data); ret_val = e1e_rphy(hw, I82577_PHY_DIAG_STATUS, &java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 0 if (ret_val) return ret_val; length = FIELD_GET(I82577_DSTATUS_CABLE_LENGTH, phy_data); if (length == E1000_CABLE_LENGTH_UNDEFINED) return -1000_ERR_PHY; phy->cable_length = length; return 0; }
¤ Dauer der Verarbeitung: 0.111 Sekunden ¤*© Formatika GbR, Deutschland |
|
||||||||||||||
2026-10-11