-/*******************************************************************************
-
-Copyright (c) 2001-2014, Intel Corporation
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- 3. Neither the name of the Intel Corporation nor the names of its
- contributors may be used to endorse or promote products derived from
- this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-***************************************************************************/
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2020 Intel Corporation
+ */
#include "ixgbe_x540.h"
#include "ixgbe_type.h"
STATIC void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw);
/**
- * ixgbe_init_ops_X540 - Inits func ptrs and MAC type
- * @hw: pointer to hardware structure
+ * ixgbe_init_ops_X540 - Inits func ptrs and MAC type
+ * @hw: pointer to hardware structure
*
- * Initialize the function pointers and assign the MAC type for X540.
- * Does not touch the hardware.
+ * Initialize the function pointers and assign the MAC type for X540.
+ * Does not touch the hardware.
**/
s32 ixgbe_init_ops_X540(struct ixgbe_hw *hw)
{
/* PHY */
phy->ops.init = ixgbe_init_phy_ops_generic;
phy->ops.reset = NULL;
- if (!ixgbe_mng_present(hw))
- phy->ops.set_phy_power = ixgbe_set_copper_phy_power;
+ phy->ops.set_phy_power = ixgbe_set_copper_phy_power;
/* MAC */
mac->ops.reset_hw = ixgbe_reset_hw_X540;
mac->ops.get_fcoe_boot_status = ixgbe_get_fcoe_boot_status_generic;
mac->ops.acquire_swfw_sync = ixgbe_acquire_swfw_sync_X540;
mac->ops.release_swfw_sync = ixgbe_release_swfw_sync_X540;
+ mac->ops.init_swfw_sync = ixgbe_init_swfw_sync_X540;
mac->ops.disable_sec_rx_path = ixgbe_disable_sec_rx_path_generic;
mac->ops.enable_sec_rx_path = ixgbe_enable_sec_rx_path_generic;
* ARC supported; valid only if manageability features are
* enabled.
*/
- mac->arc_subsystem_valid = (IXGBE_READ_REG(hw, IXGBE_FWSM) &
- IXGBE_FWSM_MODE_MASK) ? true : false;
+ mac->arc_subsystem_valid = !!(IXGBE_READ_REG(hw, IXGBE_FWSM_BY_MAC(hw))
+ & IXGBE_FWSM_MODE_MASK);
hw->mbx.ops.init_params = ixgbe_init_mbx_params_pf;
}
/**
- * ixgbe_get_link_capabilities_X540 - Determines link capabilities
- * @hw: pointer to hardware structure
- * @speed: pointer to link speed
- * @autoneg: true when autoneg or autotry is enabled
+ * ixgbe_get_link_capabilities_X540 - Determines link capabilities
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @autoneg: true when autoneg or autotry is enabled
*
- * Determines the link capabilities by reading the AUTOC register.
+ * Determines the link capabilities by reading the AUTOC register.
**/
s32 ixgbe_get_link_capabilities_X540(struct ixgbe_hw *hw,
ixgbe_link_speed *speed,
}
/**
- * ixgbe_get_media_type_X540 - Get media type
- * @hw: pointer to hardware structure
+ * ixgbe_get_media_type_X540 - Get media type
+ * @hw: pointer to hardware structure
*
- * Returns the media type (fiber, copper, backplane)
+ * Returns the media type (fiber, copper, backplane)
**/
enum ixgbe_media_type ixgbe_get_media_type_X540(struct ixgbe_hw *hw)
{
}
/**
- * ixgbe_setup_mac_link_X540 - Sets the auto advertised capabilities
- * @hw: pointer to hardware structure
- * @speed: new link speed
- * @autoneg_wait_to_complete: true when waiting for completion is needed
+ * ixgbe_setup_mac_link_X540 - Sets the auto advertised capabilities
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg_wait_to_complete: true when waiting for completion is needed
**/
s32 ixgbe_setup_mac_link_X540(struct ixgbe_hw *hw,
ixgbe_link_speed speed,
}
/**
- * ixgbe_reset_hw_X540 - Perform hardware reset
- * @hw: pointer to hardware structure
+ * ixgbe_reset_hw_X540 - Perform hardware reset
+ * @hw: pointer to hardware structure
*
- * Resets the hardware by resetting the transmit and receive units, masks
- * and clears all interrupts, and perform a reset.
+ * Resets the hardware by resetting the transmit and receive units, masks
+ * and clears all interrupts, and perform a reset.
**/
s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
{
s32 status;
u32 ctrl, i;
+ u32 swfw_mask = hw->phy.phy_semaphore_mask;
DEBUGFUNC("ixgbe_reset_hw_X540");
ixgbe_clear_tx_pending(hw);
mac_reset_top:
+ status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
+ if (status != IXGBE_SUCCESS) {
+ ERROR_REPORT2(IXGBE_ERROR_CAUTION,
+ "semaphore failed with %d", status);
+ return IXGBE_ERR_SWFW_SYNC;
+ }
ctrl = IXGBE_CTRL_RST;
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
IXGBE_WRITE_FLUSH(hw);
+ hw->mac.ops.release_swfw_sync(hw, swfw_mask);
/* Poll for reset bit to self-clear indicating reset is complete */
for (i = 0; i < 10; i++) {
/* Add the SAN MAC address to the RAR only if it's a valid address */
if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
- hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
- hw->mac.san_addr, 0, IXGBE_RAH_AV);
-
/* Save the SAN MAC RAR index */
hw->mac.san_mac_rar_index = hw->mac.num_rar_entries - 1;
+ hw->mac.ops.set_rar(hw, hw->mac.san_mac_rar_index,
+ hw->mac.san_addr, 0, IXGBE_RAH_AV);
+
+ /* clear VMDq pool/queue selection for this RAR */
+ hw->mac.ops.clear_vmdq(hw, hw->mac.san_mac_rar_index,
+ IXGBE_CLEAR_VMDQ_ALL);
+
/* Reserve the last RAR for the SAN MAC address */
hw->mac.num_rar_entries--;
}
}
/**
- * ixgbe_start_hw_X540 - Prepare hardware for Tx/Rx
- * @hw: pointer to hardware structure
+ * ixgbe_start_hw_X540 - Prepare hardware for Tx/Rx
+ * @hw: pointer to hardware structure
*
- * Starts the hardware using the generic start_hw function
- * and the generation start_hw function.
- * Then performs revision-specific operations, if any.
+ * Starts the hardware using the generic start_hw function
+ * and the generation start_hw function.
+ * Then performs revision-specific operations, if any.
**/
s32 ixgbe_start_hw_X540(struct ixgbe_hw *hw)
{
if (ret_val != IXGBE_SUCCESS)
goto out;
- ret_val = ixgbe_start_hw_gen2(hw);
+ ixgbe_start_hw_gen2(hw);
out:
return ret_val;
}
/**
- * ixgbe_get_supported_physical_layer_X540 - Returns physical layer type
- * @hw: pointer to hardware structure
+ * ixgbe_get_supported_physical_layer_X540 - Returns physical layer type
+ * @hw: pointer to hardware structure
*
- * Determines physical layer capabilities of the current configuration.
+ * Determines physical layer capabilities of the current configuration.
**/
-u32 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
+u64 ixgbe_get_supported_physical_layer_X540(struct ixgbe_hw *hw)
{
- u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+ u64 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
u16 ext_ability = 0;
DEBUGFUNC("ixgbe_get_supported_physical_layer_X540");
}
/**
- * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
- * @hw: pointer to hardware structure
+ * ixgbe_init_eeprom_params_X540 - Initialize EEPROM params
+ * @hw: pointer to hardware structure
*
- * Initializes the EEPROM parameters ixgbe_eeprom_info within the
- * ixgbe_hw struct in order to set up EEPROM access.
+ * Initializes the EEPROM parameters ixgbe_eeprom_info within the
+ * ixgbe_hw struct in order to set up EEPROM access.
**/
s32 ixgbe_init_eeprom_params_X540(struct ixgbe_hw *hw)
{
eeprom->semaphore_delay = 10;
eeprom->type = ixgbe_flash;
- eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+ eec = IXGBE_READ_REG(hw, IXGBE_EEC_BY_MAC(hw));
eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
IXGBE_EEC_SIZE_SHIFT);
eeprom->word_size = 1 << (eeprom_size +
}
/**
- * ixgbe_read_eerd_X540- Read EEPROM word using EERD
- * @hw: pointer to hardware structure
- * @offset: offset of word in the EEPROM to read
- * @data: word read from the EEPROM
+ * ixgbe_read_eerd_X540- Read EEPROM word using EERD
+ * @hw: pointer to hardware structure
+ * @offset: offset of word in the EEPROM to read
+ * @data: word read from the EEPROM
*
- * Reads a 16 bit word from the EEPROM using the EERD register.
+ * Reads a 16 bit word from the EEPROM using the EERD register.
**/
s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
}
/**
- * ixgbe_read_eerd_buffer_X540- Read EEPROM word(s) using EERD
- * @hw: pointer to hardware structure
- * @offset: offset of word in the EEPROM to read
- * @words: number of words
- * @data: word(s) read from the EEPROM
+ * ixgbe_read_eerd_buffer_X540- Read EEPROM word(s) using EERD
+ * @hw: pointer to hardware structure
+ * @offset: offset of word in the EEPROM to read
+ * @words: number of words
+ * @data: word(s) read from the EEPROM
*
- * Reads a 16 bit word(s) from the EEPROM using the EERD register.
+ * Reads a 16 bit word(s) from the EEPROM using the EERD register.
**/
s32 ixgbe_read_eerd_buffer_X540(struct ixgbe_hw *hw,
u16 offset, u16 words, u16 *data)
}
/**
- * ixgbe_write_eewr_X540 - Write EEPROM word using EEWR
- * @hw: pointer to hardware structure
- * @offset: offset of word in the EEPROM to write
- * @data: word write to the EEPROM
+ * ixgbe_write_eewr_X540 - Write EEPROM word using EEWR
+ * @hw: pointer to hardware structure
+ * @offset: offset of word in the EEPROM to write
+ * @data: word write to the EEPROM
*
- * Write a 16 bit word to the EEPROM using the EEWR register.
+ * Write a 16 bit word to the EEPROM using the EEWR register.
**/
s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
{
}
/**
- * ixgbe_write_eewr_buffer_X540 - Write EEPROM word(s) using EEWR
- * @hw: pointer to hardware structure
- * @offset: offset of word in the EEPROM to write
- * @words: number of words
- * @data: word(s) write to the EEPROM
+ * ixgbe_write_eewr_buffer_X540 - Write EEPROM word(s) using EEWR
+ * @hw: pointer to hardware structure
+ * @offset: offset of word in the EEPROM to write
+ * @words: number of words
+ * @data: word(s) write to the EEPROM
*
- * Write a 16 bit word(s) to the EEPROM using the EEWR register.
+ * Write a 16 bit word(s) to the EEPROM using the EEWR register.
**/
s32 ixgbe_write_eewr_buffer_X540(struct ixgbe_hw *hw,
u16 offset, u16 words, u16 *data)
}
/**
- * ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum
+ * ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum
*
- * This function does not use synchronization for EERD and EEWR. It can
- * be used internally by function which utilize ixgbe_acquire_swfw_sync_X540.
+ * This function does not use synchronization for EERD and EEWR. It can
+ * be used internally by function which utilize ixgbe_acquire_swfw_sync_X540.
*
- * @hw: pointer to hardware structure
+ * @hw: pointer to hardware structure
*
- * Returns a negative error code on error, or the 16-bit checksum
+ * Returns a negative error code on error, or the 16-bit checksum
**/
s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
{
u16 length = 0;
u16 pointer = 0;
u16 word = 0;
- u16 checksum_last_word = IXGBE_EEPROM_CHECKSUM;
u16 ptr_start = IXGBE_PCIE_ANALOG_PTR;
/* Do not use hw->eeprom.ops.read because we do not want to take
DEBUGFUNC("ixgbe_calc_eeprom_checksum_X540");
- /* Include 0x0-0x3F in the checksum */
- for (i = 0; i <= checksum_last_word; i++) {
+ /* Include 0x0 up to IXGBE_EEPROM_CHECKSUM; do not include the
+ * checksum itself
+ */
+ for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
if (ixgbe_read_eerd_generic(hw, i, &word)) {
DEBUGOUT("EEPROM read failed\n");
return IXGBE_ERR_EEPROM;
}
- if (i != IXGBE_EEPROM_CHECKSUM)
- checksum += word;
+ checksum += word;
}
/* Include all data from pointers 0x3, 0x6-0xE. This excludes the
}
/**
- * ixgbe_validate_eeprom_checksum_X540 - Validate EEPROM checksum
- * @hw: pointer to hardware structure
- * @checksum_val: calculated checksum
+ * ixgbe_validate_eeprom_checksum_X540 - Validate EEPROM checksum
+ * @hw: pointer to hardware structure
+ * @checksum_val: calculated checksum
*
- * Performs checksum calculation and validates the EEPROM checksum. If the
- * caller does not need checksum_val, the value can be NULL.
+ * Performs checksum calculation and validates the EEPROM checksum. If the
+ * caller does not need checksum_val, the value can be NULL.
**/
s32 ixgbe_validate_eeprom_checksum_X540(struct ixgbe_hw *hw,
u16 *checksum_val)
}
/**
- * ixgbe_update_flash_X540 - Instruct HW to copy EEPROM to Flash device
- * @hw: pointer to hardware structure
+ * ixgbe_update_flash_X540 - Instruct HW to copy EEPROM to Flash device
+ * @hw: pointer to hardware structure
*
- * Set FLUP (bit 23) of the EEC register to instruct Hardware to copy
- * EEPROM from shadow RAM to the flash device.
+ * Set FLUP (bit 23) of the EEC register to instruct Hardware to copy
+ * EEPROM from shadow RAM to the flash device.
**/
s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw)
{
goto out;
}
- flup = IXGBE_READ_REG(hw, IXGBE_EEC) | IXGBE_EEC_FLUP;
- IXGBE_WRITE_REG(hw, IXGBE_EEC, flup);
+ flup = IXGBE_READ_REG(hw, IXGBE_EEC_BY_MAC(hw)) | IXGBE_EEC_FLUP;
+ IXGBE_WRITE_REG(hw, IXGBE_EEC_BY_MAC(hw), flup);
status = ixgbe_poll_flash_update_done_X540(hw);
if (status == IXGBE_SUCCESS)
DEBUGOUT("Flash update time out\n");
if (hw->mac.type == ixgbe_mac_X540 && hw->revision_id == 0) {
- flup = IXGBE_READ_REG(hw, IXGBE_EEC);
+ flup = IXGBE_READ_REG(hw, IXGBE_EEC_BY_MAC(hw));
if (flup & IXGBE_EEC_SEC1VAL) {
flup |= IXGBE_EEC_FLUP;
- IXGBE_WRITE_REG(hw, IXGBE_EEC, flup);
+ IXGBE_WRITE_REG(hw, IXGBE_EEC_BY_MAC(hw), flup);
}
status = ixgbe_poll_flash_update_done_X540(hw);
}
/**
- * ixgbe_poll_flash_update_done_X540 - Poll flash update status
- * @hw: pointer to hardware structure
+ * ixgbe_poll_flash_update_done_X540 - Poll flash update status
+ * @hw: pointer to hardware structure
*
- * Polls the FLUDONE (bit 26) of the EEC Register to determine when the
- * flash update is done.
+ * Polls the FLUDONE (bit 26) of the EEC Register to determine when the
+ * flash update is done.
**/
STATIC s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw)
{
DEBUGFUNC("ixgbe_poll_flash_update_done_X540");
for (i = 0; i < IXGBE_FLUDONE_ATTEMPTS; i++) {
- reg = IXGBE_READ_REG(hw, IXGBE_EEC);
+ reg = IXGBE_READ_REG(hw, IXGBE_EEC_BY_MAC(hw));
if (reg & IXGBE_EEC_FLUDONE) {
status = IXGBE_SUCCESS;
break;
}
/**
- * ixgbe_set_mux - Set mux for port 1 access with CS4227
+ * ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore
* @hw: pointer to hardware structure
- * @state: set mux if 1, clear if 0
- */
-STATIC void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state)
-{
- u32 esdp;
-
- if (!hw->bus.lan_id)
- return;
- esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
- if (state)
- esdp |= IXGBE_ESDP_SDP1;
- else
- esdp &= ~IXGBE_ESDP_SDP1;
- IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
- IXGBE_WRITE_FLUSH(hw);
-}
-
-/**
- * ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore
- * @hw: pointer to hardware structure
- * @mask: Mask to specify which semaphore to acquire
+ * @mask: Mask to specify which semaphore to acquire
*
- * Acquires the SWFW semaphore thought the SW_FW_SYNC register for
- * the specified function (CSR, PHY0, PHY1, NVM, Flash)
+ * Acquires the SWFW semaphore thought the SW_FW_SYNC register for
+ * the specified function (CSR, PHY0, PHY1, NVM, Flash)
**/
s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
{
swmask |= swi2c_mask;
fwmask |= swi2c_mask << 2;
+ if (hw->mac.type >= ixgbe_mac_X550)
+ timeout = 1000;
+
for (i = 0; i < timeout; i++) {
/* SW NVM semaphore bit is used for access to all
* SW_FW_SYNC bits (not just NVM)
*/
- if (ixgbe_get_swfw_sync_semaphore(hw))
+ if (ixgbe_get_swfw_sync_semaphore(hw)) {
+ DEBUGOUT("Failed to get NVM access and register semaphore, returning IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
+ }
- swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
+ swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
if (!(swfw_sync & (fwmask | swmask | hwmask))) {
swfw_sync |= swmask;
- IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
+ IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw),
+ swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
- msec_delay(5);
- if (swi2c_mask)
- ixgbe_set_mux(hw, 1);
return IXGBE_SUCCESS;
}
/* Firmware currently using resource (fwmask), hardware
msec_delay(5);
}
- /* Failed to get SW only semaphore */
- if (swmask == IXGBE_GSSR_SW_MNG_SM) {
- ERROR_REPORT1(IXGBE_ERROR_POLLING,
- "Failed to get SW only semaphore");
- return IXGBE_ERR_SWFW_SYNC;
- }
-
/* If the resource is not released by the FW/HW the SW can assume that
* the FW/HW malfunctions. In that case the SW should set the SW bit(s)
* of the requested resource(s) while ignoring the corresponding FW/HW
* bits in the SW_FW_SYNC register.
*/
- if (ixgbe_get_swfw_sync_semaphore(hw))
+ if (ixgbe_get_swfw_sync_semaphore(hw)) {
+ DEBUGOUT("Failed to get NVM semaphore and register semaphore while forcefully ignoring FW semaphore bit(s) and setting SW semaphore bit(s), returning IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
- swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
+ }
+ swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
if (swfw_sync & (fwmask | hwmask)) {
swfw_sync |= swmask;
- IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
+ IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw), swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
msec_delay(5);
- if (swi2c_mask)
- ixgbe_set_mux(hw, 1);
return IXGBE_SUCCESS;
}
/* If the resource is not released by other SW the SW can assume that
*/
if (swfw_sync & swmask) {
u32 rmask = IXGBE_GSSR_EEP_SM | IXGBE_GSSR_PHY0_SM |
- IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM;
+ IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM |
+ IXGBE_GSSR_SW_MNG_SM;
if (swi2c_mask)
rmask |= IXGBE_GSSR_I2C_MASK;
ixgbe_release_swfw_sync_X540(hw, rmask);
ixgbe_release_swfw_sync_semaphore(hw);
+ DEBUGOUT("Resource not released by other SW, returning IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
}
ixgbe_release_swfw_sync_semaphore(hw);
+ DEBUGOUT("Returning error IXGBE_ERR_SWFW_SYNC\n");
return IXGBE_ERR_SWFW_SYNC;
}
/**
- * ixgbe_release_swfw_sync_X540 - Release SWFW semaphore
- * @hw: pointer to hardware structure
- * @mask: Mask to specify which semaphore to release
+ * ixgbe_release_swfw_sync_X540 - Release SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify which semaphore to release
*
- * Releases the SWFW semaphore through the SW_FW_SYNC register
- * for the specified function (CSR, PHY0, PHY1, EVM, Flash)
+ * Releases the SWFW semaphore through the SW_FW_SYNC register
+ * for the specified function (CSR, PHY0, PHY1, EVM, Flash)
**/
void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
{
DEBUGFUNC("ixgbe_release_swfw_sync_X540");
- if (mask & IXGBE_GSSR_I2C_MASK) {
+ if (mask & IXGBE_GSSR_I2C_MASK)
swmask |= mask & IXGBE_GSSR_I2C_MASK;
- ixgbe_set_mux(hw, 0);
- }
ixgbe_get_swfw_sync_semaphore(hw);
- swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
+ swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
swfw_sync &= ~swmask;
- IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
+ IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw), swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
- msec_delay(5);
+ msec_delay(2);
}
/**
- * ixgbe_get_swfw_sync_semaphore - Get hardware semaphore
- * @hw: pointer to hardware structure
+ * ixgbe_get_swfw_sync_semaphore - Get hardware semaphore
+ * @hw: pointer to hardware structure
*
- * Sets the hardware semaphores so SW/FW can gain control of shared resources
+ * Sets the hardware semaphores so SW/FW can gain control of shared resources
**/
STATIC s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw)
{
* If the SMBI bit is 0 when we read it, then the bit will be
* set and we have the semaphore
*/
- swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWSM_BY_MAC(hw));
if (!(swsm & IXGBE_SWSM_SMBI)) {
status = IXGBE_SUCCESS;
break;
/* Now get the semaphore between SW/FW through the REGSMP bit */
if (status == IXGBE_SUCCESS) {
for (i = 0; i < timeout; i++) {
- swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
if (!(swsm & IXGBE_SWFW_REGSMP))
break;
}
/**
- * ixgbe_release_swfw_sync_semaphore - Release hardware semaphore
- * @hw: pointer to hardware structure
+ * ixgbe_release_swfw_sync_semaphore - Release hardware semaphore
+ * @hw: pointer to hardware structure
*
- * This function clears hardware semaphore bits.
+ * This function clears hardware semaphore bits.
**/
STATIC void ixgbe_release_swfw_sync_semaphore(struct ixgbe_hw *hw)
{
/* Release both semaphores by writing 0 to the bits REGSMP and SMBI */
- swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
- swsm &= ~IXGBE_SWSM_SMBI;
- IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm);
-
- swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw));
swsm &= ~IXGBE_SWFW_REGSMP;
- IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swsm);
+ IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC_BY_MAC(hw), swsm);
+
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWSM_BY_MAC(hw));
+ swsm &= ~IXGBE_SWSM_SMBI;
+ IXGBE_WRITE_REG(hw, IXGBE_SWSM_BY_MAC(hw), swsm);
IXGBE_WRITE_FLUSH(hw);
}
+/**
+ * ixgbe_init_swfw_sync_X540 - Release hardware semaphore
+ * @hw: pointer to hardware structure
+ *
+ * This function reset hardware semaphore bits for a semaphore that may
+ * have be left locked due to a catastrophic failure.
+ **/
+void ixgbe_init_swfw_sync_X540(struct ixgbe_hw *hw)
+{
+ u32 rmask;
+
+ /* First try to grab the semaphore but we don't need to bother
+ * looking to see whether we got the lock or not since we do
+ * the same thing regardless of whether we got the lock or not.
+ * We got the lock - we release it.
+ * We timeout trying to get the lock - we force its release.
+ */
+ ixgbe_get_swfw_sync_semaphore(hw);
+ ixgbe_release_swfw_sync_semaphore(hw);
+
+ /* Acquire and release all software resources. */
+ rmask = IXGBE_GSSR_EEP_SM | IXGBE_GSSR_PHY0_SM |
+ IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM |
+ IXGBE_GSSR_SW_MNG_SM;
+
+ rmask |= IXGBE_GSSR_I2C_MASK;
+ ixgbe_acquire_swfw_sync_X540(hw, rmask);
+ ixgbe_release_swfw_sync_X540(hw, rmask);
+}
+
/**
* ixgbe_blink_led_start_X540 - Blink LED based on index.
* @hw: pointer to hardware structure
* @index: led number to blink
*
* Devices that implement the version 2 interface:
- * X540
+ * X540
**/
s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
{
DEBUGFUNC("ixgbe_blink_led_start_X540");
+ if (index > 3)
+ return IXGBE_ERR_PARAM;
+
/*
* Link should be up in order for the blink bit in the LED control
* register to work. Force link and speed in the MAC if link is down.
* @index: led number to stop blinking
*
* Devices that implement the version 2 interface:
- * X540
+ * X540
**/
s32 ixgbe_blink_led_stop_X540(struct ixgbe_hw *hw, u32 index)
{
u32 macc_reg;
u32 ledctl_reg;
+ if (index > 3)
+ return IXGBE_ERR_PARAM;
+
DEBUGFUNC("ixgbe_blink_led_stop_X540");
/* Restore the LED to its default value. */
return IXGBE_SUCCESS;
}
-
-