mirror of https://gitee.com/openkylin/linux.git
1533 lines
43 KiB
C
1533 lines
43 KiB
C
/*******************************************************************************
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*
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* Intel 10 Gigabit PCI Express Linux driver
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* Copyright(c) 1999 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* Linux NICS <linux.nics@intel.com>
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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******************************************************************************/
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#include "ixgbe_x540.h"
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#include "ixgbe_type.h"
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#include "ixgbe_common.h"
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#include "ixgbe_phy.h"
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/** ixgbe_identify_phy_x550em - Get PHY type based on device id
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* @hw: pointer to hardware structure
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*
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* Returns error code
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*/
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static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
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{
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u32 esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
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switch (hw->device_id) {
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case IXGBE_DEV_ID_X550EM_X_SFP:
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/* set up for CS4227 usage */
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hw->phy.phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
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if (hw->bus.lan_id) {
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esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1);
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esdp |= IXGBE_ESDP_SDP1_DIR;
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}
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esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR);
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IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
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return ixgbe_identify_module_generic(hw);
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case IXGBE_DEV_ID_X550EM_X_KX4:
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hw->phy.type = ixgbe_phy_x550em_kx4;
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break;
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case IXGBE_DEV_ID_X550EM_X_KR:
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hw->phy.type = ixgbe_phy_x550em_kr;
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break;
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case IXGBE_DEV_ID_X550EM_X_1G_T:
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case IXGBE_DEV_ID_X550EM_X_10G_T:
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return ixgbe_identify_phy_generic(hw);
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default:
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break;
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}
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return 0;
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}
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static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
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u32 device_type, u16 *phy_data)
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{
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return IXGBE_NOT_IMPLEMENTED;
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}
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static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
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u32 device_type, u16 phy_data)
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{
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return IXGBE_NOT_IMPLEMENTED;
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}
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/** ixgbe_init_eeprom_params_X550 - Initialize EEPROM params
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* @hw: pointer to hardware structure
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*
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* Initializes the EEPROM parameters ixgbe_eeprom_info within the
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* ixgbe_hw struct in order to set up EEPROM access.
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**/
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static s32 ixgbe_init_eeprom_params_X550(struct ixgbe_hw *hw)
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{
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struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
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u32 eec;
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u16 eeprom_size;
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if (eeprom->type == ixgbe_eeprom_uninitialized) {
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eeprom->semaphore_delay = 10;
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eeprom->type = ixgbe_flash;
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eec = IXGBE_READ_REG(hw, IXGBE_EEC);
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eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
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IXGBE_EEC_SIZE_SHIFT);
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eeprom->word_size = 1 << (eeprom_size +
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IXGBE_EEPROM_WORD_SIZE_SHIFT);
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hw_dbg(hw, "Eeprom params: type = %d, size = %d\n",
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eeprom->type, eeprom->word_size);
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}
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return 0;
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}
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/** ixgbe_read_iosf_sb_reg_x550 - Writes a value to specified register of the
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* IOSF device
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* @hw: pointer to hardware structure
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* @reg_addr: 32 bit PHY register to write
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* @device_type: 3 bit device type
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* @phy_data: Pointer to read data from the register
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**/
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static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
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u32 device_type, u32 *data)
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{
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u32 i, command, error;
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command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
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(device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
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/* Write IOSF control register */
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IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
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/* Check every 10 usec to see if the address cycle completed.
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* The SB IOSF BUSY bit will clear when the operation is
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* complete
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*/
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for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
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usleep_range(10, 20);
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command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL);
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if ((command & IXGBE_SB_IOSF_CTRL_BUSY) == 0)
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break;
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}
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if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
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error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
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IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
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hw_dbg(hw, "Failed to read, error %x\n", error);
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return IXGBE_ERR_PHY;
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}
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if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
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hw_dbg(hw, "Read timed out\n");
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return IXGBE_ERR_PHY;
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}
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*data = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA);
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return 0;
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}
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/** ixgbe_read_ee_hostif_data_X550 - Read EEPROM word using a host interface
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* command assuming that the semaphore is already obtained.
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* @hw: pointer to hardware structure
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* @offset: offset of word in the EEPROM to read
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* @data: word read from the EEPROM
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*
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* Reads a 16 bit word from the EEPROM using the hostif.
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**/
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static s32 ixgbe_read_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
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u16 *data)
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{
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s32 status;
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struct ixgbe_hic_read_shadow_ram buffer;
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buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
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buffer.hdr.req.buf_lenh = 0;
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buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
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buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
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/* convert offset from words to bytes */
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buffer.address = cpu_to_be32(offset * 2);
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/* one word */
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buffer.length = cpu_to_be16(sizeof(u16));
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status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
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sizeof(buffer),
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IXGBE_HI_COMMAND_TIMEOUT, false);
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if (status)
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return status;
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*data = (u16)IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG,
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FW_NVM_DATA_OFFSET);
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return 0;
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}
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/** ixgbe_read_ee_hostif_buffer_X550- Read EEPROM word(s) using hostif
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* @hw: pointer to hardware structure
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* @offset: offset of word in the EEPROM to read
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* @words: number of words
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* @data: word(s) read from the EEPROM
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*
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* Reads a 16 bit word(s) from the EEPROM using the hostif.
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**/
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static s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
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u16 offset, u16 words, u16 *data)
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{
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struct ixgbe_hic_read_shadow_ram buffer;
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u32 current_word = 0;
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u16 words_to_read;
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s32 status;
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u32 i;
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/* Take semaphore for the entire operation. */
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status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
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if (status) {
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hw_dbg(hw, "EEPROM read buffer - semaphore failed\n");
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return status;
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}
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while (words) {
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if (words > FW_MAX_READ_BUFFER_SIZE / 2)
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words_to_read = FW_MAX_READ_BUFFER_SIZE / 2;
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else
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words_to_read = words;
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buffer.hdr.req.cmd = FW_READ_SHADOW_RAM_CMD;
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buffer.hdr.req.buf_lenh = 0;
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buffer.hdr.req.buf_lenl = FW_READ_SHADOW_RAM_LEN;
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buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
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/* convert offset from words to bytes */
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buffer.address = cpu_to_be32((offset + current_word) * 2);
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buffer.length = cpu_to_be16(words_to_read * 2);
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status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
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sizeof(buffer),
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IXGBE_HI_COMMAND_TIMEOUT,
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false);
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if (status) {
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hw_dbg(hw, "Host interface command failed\n");
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goto out;
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}
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for (i = 0; i < words_to_read; i++) {
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u32 reg = IXGBE_FLEX_MNG + (FW_NVM_DATA_OFFSET << 2) +
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2 * i;
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u32 value = IXGBE_READ_REG(hw, reg);
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data[current_word] = (u16)(value & 0xffff);
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current_word++;
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i++;
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if (i < words_to_read) {
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value >>= 16;
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data[current_word] = (u16)(value & 0xffff);
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current_word++;
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}
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}
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words -= words_to_read;
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}
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out:
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hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
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return status;
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}
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/** ixgbe_checksum_ptr_x550 - Checksum one pointer region
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* @hw: pointer to hardware structure
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* @ptr: pointer offset in eeprom
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* @size: size of section pointed by ptr, if 0 first word will be used as size
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* @csum: address of checksum to update
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*
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* Returns error status for any failure
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**/
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static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
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u16 size, u16 *csum, u16 *buffer,
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u32 buffer_size)
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{
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u16 buf[256];
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s32 status;
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u16 length, bufsz, i, start;
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u16 *local_buffer;
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bufsz = sizeof(buf) / sizeof(buf[0]);
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/* Read a chunk at the pointer location */
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if (!buffer) {
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status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr, bufsz, buf);
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if (status) {
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hw_dbg(hw, "Failed to read EEPROM image\n");
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return status;
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}
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local_buffer = buf;
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} else {
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if (buffer_size < ptr)
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return IXGBE_ERR_PARAM;
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local_buffer = &buffer[ptr];
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}
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if (size) {
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start = 0;
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length = size;
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} else {
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start = 1;
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length = local_buffer[0];
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/* Skip pointer section if length is invalid. */
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if (length == 0xFFFF || length == 0 ||
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(ptr + length) >= hw->eeprom.word_size)
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return 0;
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}
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if (buffer && ((u32)start + (u32)length > buffer_size))
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return IXGBE_ERR_PARAM;
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for (i = start; length; i++, length--) {
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if (i == bufsz && !buffer) {
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ptr += bufsz;
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i = 0;
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if (length < bufsz)
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bufsz = length;
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/* Read a chunk at the pointer location */
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status = ixgbe_read_ee_hostif_buffer_X550(hw, ptr,
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bufsz, buf);
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if (status) {
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hw_dbg(hw, "Failed to read EEPROM image\n");
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return status;
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}
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}
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*csum += local_buffer[i];
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}
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return 0;
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}
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/** ixgbe_calc_checksum_X550 - Calculates and returns the checksum
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* @hw: pointer to hardware structure
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* @buffer: pointer to buffer containing calculated checksum
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* @buffer_size: size of buffer
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*
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* Returns a negative error code on error, or the 16-bit checksum
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**/
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static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
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u32 buffer_size)
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{
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u16 eeprom_ptrs[IXGBE_EEPROM_LAST_WORD + 1];
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u16 *local_buffer;
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s32 status;
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u16 checksum = 0;
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u16 pointer, i, size;
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hw->eeprom.ops.init_params(hw);
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if (!buffer) {
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/* Read pointer area */
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status = ixgbe_read_ee_hostif_buffer_X550(hw, 0,
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IXGBE_EEPROM_LAST_WORD + 1,
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eeprom_ptrs);
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if (status) {
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hw_dbg(hw, "Failed to read EEPROM image\n");
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return status;
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}
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local_buffer = eeprom_ptrs;
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} else {
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if (buffer_size < IXGBE_EEPROM_LAST_WORD)
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return IXGBE_ERR_PARAM;
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local_buffer = buffer;
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}
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/* For X550 hardware include 0x0-0x41 in the checksum, skip the
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* checksum word itself
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*/
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for (i = 0; i <= IXGBE_EEPROM_LAST_WORD; i++)
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if (i != IXGBE_EEPROM_CHECKSUM)
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checksum += local_buffer[i];
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/* Include all data from pointers 0x3, 0x6-0xE. This excludes the
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* FW, PHY module, and PCIe Expansion/Option ROM pointers.
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*/
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for (i = IXGBE_PCIE_ANALOG_PTR_X550; i < IXGBE_FW_PTR; i++) {
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if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
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continue;
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pointer = local_buffer[i];
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/* Skip pointer section if the pointer is invalid. */
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if (pointer == 0xFFFF || pointer == 0 ||
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pointer >= hw->eeprom.word_size)
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continue;
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switch (i) {
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case IXGBE_PCIE_GENERAL_PTR:
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size = IXGBE_IXGBE_PCIE_GENERAL_SIZE;
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break;
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case IXGBE_PCIE_CONFIG0_PTR:
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case IXGBE_PCIE_CONFIG1_PTR:
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size = IXGBE_PCIE_CONFIG_SIZE;
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break;
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default:
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size = 0;
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break;
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}
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status = ixgbe_checksum_ptr_x550(hw, pointer, size, &checksum,
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buffer, buffer_size);
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if (status)
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return status;
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}
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checksum = (u16)IXGBE_EEPROM_SUM - checksum;
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return (s32)checksum;
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}
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/** ixgbe_calc_eeprom_checksum_X550 - Calculates and returns the checksum
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* @hw: pointer to hardware structure
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*
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* Returns a negative error code on error, or the 16-bit checksum
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**/
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static s32 ixgbe_calc_eeprom_checksum_X550(struct ixgbe_hw *hw)
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{
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return ixgbe_calc_checksum_X550(hw, NULL, 0);
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}
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/** ixgbe_read_ee_hostif_X550 - Read EEPROM word using a host interface command
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* @hw: pointer to hardware structure
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* @offset: offset of word in the EEPROM to read
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* @data: word read from the EEPROM
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*
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* Reads a 16 bit word from the EEPROM using the hostif.
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**/
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static s32 ixgbe_read_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 *data)
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{
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s32 status = 0;
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if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) {
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status = ixgbe_read_ee_hostif_data_X550(hw, offset, data);
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hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
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} else {
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status = IXGBE_ERR_SWFW_SYNC;
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}
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return status;
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}
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/** ixgbe_validate_eeprom_checksum_X550 - Validate EEPROM checksum
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* @hw: pointer to hardware structure
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* @checksum_val: calculated checksum
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*
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* Performs checksum calculation and validates the EEPROM checksum. If the
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* caller does not need checksum_val, the value can be NULL.
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**/
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static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw,
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u16 *checksum_val)
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{
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s32 status;
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u16 checksum;
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u16 read_checksum = 0;
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|
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/* Read the first word from the EEPROM. If this times out or fails, do
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* not continue or we could be in for a very long wait while every
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* EEPROM read fails
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*/
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status = hw->eeprom.ops.read(hw, 0, &checksum);
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if (status) {
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hw_dbg(hw, "EEPROM read failed\n");
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return status;
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}
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status = hw->eeprom.ops.calc_checksum(hw);
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if (status < 0)
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return status;
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checksum = (u16)(status & 0xffff);
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status = ixgbe_read_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
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&read_checksum);
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if (status)
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return status;
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|
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/* Verify read checksum from EEPROM is the same as
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* calculated checksum
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*/
|
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if (read_checksum != checksum) {
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status = IXGBE_ERR_EEPROM_CHECKSUM;
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hw_dbg(hw, "Invalid EEPROM checksum");
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}
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|
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/* If the user cares, return the calculated checksum */
|
|
if (checksum_val)
|
|
*checksum_val = checksum;
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
|
|
* @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 hostif.
|
|
**/
|
|
static s32 ixgbe_write_ee_hostif_data_X550(struct ixgbe_hw *hw, u16 offset,
|
|
u16 data)
|
|
{
|
|
s32 status;
|
|
struct ixgbe_hic_write_shadow_ram buffer;
|
|
|
|
buffer.hdr.req.cmd = FW_WRITE_SHADOW_RAM_CMD;
|
|
buffer.hdr.req.buf_lenh = 0;
|
|
buffer.hdr.req.buf_lenl = FW_WRITE_SHADOW_RAM_LEN;
|
|
buffer.hdr.req.checksum = FW_DEFAULT_CHECKSUM;
|
|
|
|
/* one word */
|
|
buffer.length = cpu_to_be16(sizeof(u16));
|
|
buffer.data = data;
|
|
buffer.address = cpu_to_be32(offset * 2);
|
|
|
|
status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
|
|
sizeof(buffer),
|
|
IXGBE_HI_COMMAND_TIMEOUT, false);
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_write_ee_hostif_X550 - Write EEPROM word using hostif
|
|
* @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 hostif.
|
|
**/
|
|
static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data)
|
|
{
|
|
s32 status = 0;
|
|
|
|
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) == 0) {
|
|
status = ixgbe_write_ee_hostif_data_X550(hw, offset, data);
|
|
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
|
|
} else {
|
|
hw_dbg(hw, "write ee hostif failed to get semaphore");
|
|
status = IXGBE_ERR_SWFW_SYNC;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_update_flash_X550 - Instruct HW to copy EEPROM to Flash device
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Issue a shadow RAM dump to FW to copy EEPROM from shadow RAM to the flash.
|
|
**/
|
|
static s32 ixgbe_update_flash_X550(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status = 0;
|
|
union ixgbe_hic_hdr2 buffer;
|
|
|
|
buffer.req.cmd = FW_SHADOW_RAM_DUMP_CMD;
|
|
buffer.req.buf_lenh = 0;
|
|
buffer.req.buf_lenl = FW_SHADOW_RAM_DUMP_LEN;
|
|
buffer.req.checksum = FW_DEFAULT_CHECKSUM;
|
|
|
|
status = ixgbe_host_interface_command(hw, (u32 *)&buffer,
|
|
sizeof(buffer),
|
|
IXGBE_HI_COMMAND_TIMEOUT, false);
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_disable_rx_x550 - Disable RX unit
|
|
*
|
|
* Enables the Rx DMA unit for x550
|
|
**/
|
|
static void ixgbe_disable_rx_x550(struct ixgbe_hw *hw)
|
|
{
|
|
u32 rxctrl, pfdtxgswc;
|
|
s32 status;
|
|
struct ixgbe_hic_disable_rxen fw_cmd;
|
|
|
|
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
|
|
if (rxctrl & IXGBE_RXCTRL_RXEN) {
|
|
pfdtxgswc = IXGBE_READ_REG(hw, IXGBE_PFDTXGSWC);
|
|
if (pfdtxgswc & IXGBE_PFDTXGSWC_VT_LBEN) {
|
|
pfdtxgswc &= ~IXGBE_PFDTXGSWC_VT_LBEN;
|
|
IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, pfdtxgswc);
|
|
hw->mac.set_lben = true;
|
|
} else {
|
|
hw->mac.set_lben = false;
|
|
}
|
|
|
|
fw_cmd.hdr.cmd = FW_DISABLE_RXEN_CMD;
|
|
fw_cmd.hdr.buf_len = FW_DISABLE_RXEN_LEN;
|
|
fw_cmd.hdr.checksum = FW_DEFAULT_CHECKSUM;
|
|
fw_cmd.port_number = (u8)hw->bus.lan_id;
|
|
|
|
status = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
|
|
sizeof(struct ixgbe_hic_disable_rxen),
|
|
IXGBE_HI_COMMAND_TIMEOUT, true);
|
|
|
|
/* If we fail - disable RX using register write */
|
|
if (status) {
|
|
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
|
|
if (rxctrl & IXGBE_RXCTRL_RXEN) {
|
|
rxctrl &= ~IXGBE_RXCTRL_RXEN;
|
|
IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/** ixgbe_update_eeprom_checksum_X550 - Updates the EEPROM checksum and flash
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* After writing EEPROM to shadow RAM using EEWR register, software calculates
|
|
* checksum and updates the EEPROM and instructs the hardware to update
|
|
* the flash.
|
|
**/
|
|
static s32 ixgbe_update_eeprom_checksum_X550(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status;
|
|
u16 checksum = 0;
|
|
|
|
/* Read the first word from the EEPROM. If this times out or fails, do
|
|
* not continue or we could be in for a very long wait while every
|
|
* EEPROM read fails
|
|
*/
|
|
status = ixgbe_read_ee_hostif_X550(hw, 0, &checksum);
|
|
if (status) {
|
|
hw_dbg(hw, "EEPROM read failed\n");
|
|
return status;
|
|
}
|
|
|
|
status = ixgbe_calc_eeprom_checksum_X550(hw);
|
|
if (status < 0)
|
|
return status;
|
|
|
|
checksum = (u16)(status & 0xffff);
|
|
|
|
status = ixgbe_write_ee_hostif_X550(hw, IXGBE_EEPROM_CHECKSUM,
|
|
checksum);
|
|
if (status)
|
|
return status;
|
|
|
|
status = ixgbe_update_flash_X550(hw);
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_write_ee_hostif_buffer_X550 - Write EEPROM word(s) using hostif
|
|
* @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 hostif.
|
|
**/
|
|
static s32 ixgbe_write_ee_hostif_buffer_X550(struct ixgbe_hw *hw,
|
|
u16 offset, u16 words,
|
|
u16 *data)
|
|
{
|
|
s32 status = 0;
|
|
u32 i = 0;
|
|
|
|
/* Take semaphore for the entire operation. */
|
|
status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
|
|
if (status) {
|
|
hw_dbg(hw, "EEPROM write buffer - semaphore failed\n");
|
|
return status;
|
|
}
|
|
|
|
for (i = 0; i < words; i++) {
|
|
status = ixgbe_write_ee_hostif_data_X550(hw, offset + i,
|
|
data[i]);
|
|
if (status) {
|
|
hw_dbg(hw, "Eeprom buffered write failed\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_init_mac_link_ops_X550em - init mac link function pointers
|
|
* @hw: pointer to hardware structure
|
|
**/
|
|
static void ixgbe_init_mac_link_ops_X550em(struct ixgbe_hw *hw)
|
|
{
|
|
struct ixgbe_mac_info *mac = &hw->mac;
|
|
|
|
/* CS4227 does not support autoneg, so disable the laser control
|
|
* functions for SFP+ fiber
|
|
*/
|
|
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP) {
|
|
mac->ops.disable_tx_laser = NULL;
|
|
mac->ops.enable_tx_laser = NULL;
|
|
mac->ops.flap_tx_laser = NULL;
|
|
}
|
|
}
|
|
|
|
/** ixgbe_setup_sfp_modules_X550em - Setup SFP module
|
|
* @hw: pointer to hardware structure
|
|
*/
|
|
static s32 ixgbe_setup_sfp_modules_X550em(struct ixgbe_hw *hw)
|
|
{
|
|
bool setup_linear;
|
|
u16 reg_slice, edc_mode;
|
|
s32 ret_val;
|
|
|
|
switch (hw->phy.sfp_type) {
|
|
case ixgbe_sfp_type_unknown:
|
|
return 0;
|
|
case ixgbe_sfp_type_not_present:
|
|
return IXGBE_ERR_SFP_NOT_PRESENT;
|
|
case ixgbe_sfp_type_da_cu_core0:
|
|
case ixgbe_sfp_type_da_cu_core1:
|
|
setup_linear = true;
|
|
break;
|
|
case ixgbe_sfp_type_srlr_core0:
|
|
case ixgbe_sfp_type_srlr_core1:
|
|
case ixgbe_sfp_type_da_act_lmt_core0:
|
|
case ixgbe_sfp_type_da_act_lmt_core1:
|
|
case ixgbe_sfp_type_1g_sx_core0:
|
|
case ixgbe_sfp_type_1g_sx_core1:
|
|
setup_linear = false;
|
|
break;
|
|
default:
|
|
return IXGBE_ERR_SFP_NOT_SUPPORTED;
|
|
}
|
|
|
|
ixgbe_init_mac_link_ops_X550em(hw);
|
|
hw->phy.ops.reset = NULL;
|
|
|
|
/* The CS4227 slice address is the base address + the port-pair reg
|
|
* offset. I.e. Slice 0 = 0x12B0 and slice 1 = 0x22B0.
|
|
*/
|
|
reg_slice = IXGBE_CS4227_SPARE24_LSB + (hw->bus.lan_id << 12);
|
|
|
|
if (setup_linear)
|
|
edc_mode = (IXGBE_CS4227_EDC_MODE_CX1 << 1) | 0x1;
|
|
else
|
|
edc_mode = (IXGBE_CS4227_EDC_MODE_SR << 1) | 0x1;
|
|
|
|
/* Configure CS4227 for connection type. */
|
|
ret_val = hw->phy.ops.write_i2c_combined(hw, IXGBE_CS4227, reg_slice,
|
|
edc_mode);
|
|
|
|
if (ret_val)
|
|
ret_val = hw->phy.ops.write_i2c_combined(hw, 0x80, reg_slice,
|
|
edc_mode);
|
|
|
|
return ret_val;
|
|
}
|
|
|
|
/** ixgbe_get_link_capabilities_x550em - Determines link capabilities
|
|
* @hw: pointer to hardware structure
|
|
* @speed: pointer to link speed
|
|
* @autoneg: true when autoneg or autotry is enabled
|
|
**/
|
|
static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
|
|
ixgbe_link_speed *speed,
|
|
bool *autoneg)
|
|
{
|
|
/* SFP */
|
|
if (hw->phy.media_type == ixgbe_media_type_fiber) {
|
|
/* CS4227 SFP must not enable auto-negotiation */
|
|
*autoneg = false;
|
|
|
|
if (hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
|
|
hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1) {
|
|
*speed = IXGBE_LINK_SPEED_1GB_FULL;
|
|
return 0;
|
|
}
|
|
|
|
/* Link capabilities are based on SFP */
|
|
if (hw->phy.multispeed_fiber)
|
|
*speed = IXGBE_LINK_SPEED_10GB_FULL |
|
|
IXGBE_LINK_SPEED_1GB_FULL;
|
|
else
|
|
*speed = IXGBE_LINK_SPEED_10GB_FULL;
|
|
} else {
|
|
*speed = IXGBE_LINK_SPEED_10GB_FULL |
|
|
IXGBE_LINK_SPEED_1GB_FULL;
|
|
*autoneg = true;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/** ixgbe_write_iosf_sb_reg_x550 - Writes a value to specified register of the
|
|
* IOSF device
|
|
*
|
|
* @hw: pointer to hardware structure
|
|
* @reg_addr: 32 bit PHY register to write
|
|
* @device_type: 3 bit device type
|
|
* @data: Data to write to the register
|
|
**/
|
|
static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
|
|
u32 device_type, u32 data)
|
|
{
|
|
u32 i, command, error;
|
|
|
|
command = ((reg_addr << IXGBE_SB_IOSF_CTRL_ADDR_SHIFT) |
|
|
(device_type << IXGBE_SB_IOSF_CTRL_TARGET_SELECT_SHIFT));
|
|
|
|
/* Write IOSF control register */
|
|
IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL, command);
|
|
|
|
/* Write IOSF data register */
|
|
IXGBE_WRITE_REG(hw, IXGBE_SB_IOSF_INDIRECT_DATA, data);
|
|
|
|
/* Check every 10 usec to see if the address cycle completed.
|
|
* The SB IOSF BUSY bit will clear when the operation is
|
|
* complete
|
|
*/
|
|
for (i = 0; i < IXGBE_MDIO_COMMAND_TIMEOUT; i++) {
|
|
usleep_range(10, 20);
|
|
|
|
command = IXGBE_READ_REG(hw, IXGBE_SB_IOSF_INDIRECT_CTRL);
|
|
if ((command & IXGBE_SB_IOSF_CTRL_BUSY) == 0)
|
|
break;
|
|
}
|
|
|
|
if ((command & IXGBE_SB_IOSF_CTRL_RESP_STAT_MASK) != 0) {
|
|
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
|
|
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
|
|
hw_dbg(hw, "Failed to write, error %x\n", error);
|
|
return IXGBE_ERR_PHY;
|
|
}
|
|
|
|
if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
|
|
hw_dbg(hw, "Write timed out\n");
|
|
return IXGBE_ERR_PHY;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/** ixgbe_setup_ixfi_x550em - Configure the KR PHY for iXFI mode.
|
|
* @hw: pointer to hardware structure
|
|
* @speed: the link speed to force
|
|
*
|
|
* Configures the integrated KR PHY to use iXFI mode. Used to connect an
|
|
* internal and external PHY at a specific speed, without autonegotiation.
|
|
**/
|
|
static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
|
|
{
|
|
s32 status;
|
|
u32 reg_val;
|
|
|
|
/* Disable AN and force speed to 10G Serial. */
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
|
|
reg_val &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_MASK;
|
|
|
|
/* Select forced link speed for internal PHY. */
|
|
switch (*speed) {
|
|
case IXGBE_LINK_SPEED_10GB_FULL:
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_10G;
|
|
break;
|
|
case IXGBE_LINK_SPEED_1GB_FULL:
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
|
|
break;
|
|
default:
|
|
/* Other link speeds are not supported by internal KR PHY. */
|
|
return IXGBE_ERR_LINK_SETUP;
|
|
}
|
|
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Disable training protocol FSM. */
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val |= IXGBE_KRM_RX_TRN_LINKUP_CTRL_CONV_WO_PROTOCOL;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_RX_TRN_LINKUP_CTRL(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Disable Flex from training TXFFE. */
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
|
|
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
|
|
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_DSP_TXFFE_STATE_4(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
if (status)
|
|
return status;
|
|
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_C0_EN;
|
|
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CP1_CN1_EN;
|
|
reg_val &= ~IXGBE_KRM_DSP_TXFFE_STATE_CO_ADAPT_EN;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_DSP_TXFFE_STATE_5(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Enable override for coefficients. */
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_OVRRD_EN;
|
|
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CZERO_EN;
|
|
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CPLUS1_OVRRD_EN;
|
|
reg_val |= IXGBE_KRM_TX_COEFF_CTRL_1_CMINUS1_OVRRD_EN;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_TX_COEFF_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Toggle port SW reset by AN reset. */
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_setup_kx4_x550em - Configure the KX4 PHY.
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Configures the integrated KX4 PHY.
|
|
**/
|
|
static s32 ixgbe_setup_kx4_x550em(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status;
|
|
u32 reg_val;
|
|
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1,
|
|
IXGBE_SB_IOSF_TARGET_KX4_PCS0 +
|
|
hw->bus.lan_id, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val &= ~(IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4 |
|
|
IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX);
|
|
|
|
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_ENABLE;
|
|
|
|
/* Advertise 10G support. */
|
|
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
|
|
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX4;
|
|
|
|
/* Advertise 1G support. */
|
|
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
|
|
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_CAP_KX;
|
|
|
|
/* Restart auto-negotiation. */
|
|
reg_val |= IXGBE_KX4_LINK_CNTL_1_TETH_AN_RESTART;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw, IXGBE_KX4_LINK_CNTL_1,
|
|
IXGBE_SB_IOSF_TARGET_KX4_PCS0 +
|
|
hw->bus.lan_id, reg_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_setup_kr_x550em - Configure the KR PHY.
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Configures the integrated KR PHY.
|
|
**/
|
|
static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
|
|
{
|
|
s32 status;
|
|
u32 reg_val;
|
|
|
|
status = ixgbe_read_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, ®_val);
|
|
if (status)
|
|
return status;
|
|
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_ENABLE;
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_FEC_REQ;
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_FEC;
|
|
reg_val &= ~(IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR |
|
|
IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX);
|
|
|
|
/* Advertise 10G support. */
|
|
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KR;
|
|
|
|
/* Advertise 1G support. */
|
|
if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_CAP_KX;
|
|
|
|
/* Restart auto-negotiation. */
|
|
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_AN_RESTART;
|
|
status = ixgbe_write_iosf_sb_reg_x550(hw,
|
|
IXGBE_KRM_LINK_CTRL_1(hw->bus.lan_id),
|
|
IXGBE_SB_IOSF_TARGET_KR_PHY, reg_val);
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_setup_internal_phy_x550em - Configure integrated KR PHY
|
|
* @hw: point to hardware structure
|
|
*
|
|
* Configures the integrated KR PHY to talk to the external PHY. The base
|
|
* driver will call this function when it gets notification via interrupt from
|
|
* the external PHY. This function forces the internal PHY into iXFI mode at
|
|
* the correct speed.
|
|
*
|
|
* A return of a non-zero value indicates an error, and the base driver should
|
|
* not report link up.
|
|
**/
|
|
static s32 ixgbe_setup_internal_phy_x550em(struct ixgbe_hw *hw)
|
|
{
|
|
u32 status;
|
|
u16 lasi, autoneg_status, speed;
|
|
ixgbe_link_speed force_speed;
|
|
|
|
/* Verify that the external link status has changed */
|
|
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_XENPAK_LASI_STATUS,
|
|
IXGBE_MDIO_PMA_PMD_DEV_TYPE, &lasi);
|
|
if (status)
|
|
return status;
|
|
|
|
/* If there was no change in link status, we can just exit */
|
|
if (!(lasi & IXGBE_XENPAK_LASI_LINK_STATUS_ALARM))
|
|
return 0;
|
|
|
|
/* we read this twice back to back to indicate current status */
|
|
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
|
|
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
|
|
&autoneg_status);
|
|
if (status)
|
|
return status;
|
|
|
|
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_STATUS,
|
|
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
|
|
&autoneg_status);
|
|
if (status)
|
|
return status;
|
|
|
|
/* If link is not up return an error indicating treat link as down */
|
|
if (!(autoneg_status & IXGBE_MDIO_AUTO_NEG_LINK_STATUS))
|
|
return IXGBE_ERR_INVALID_LINK_SETTINGS;
|
|
|
|
status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_VENDOR_STAT,
|
|
IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
|
|
&speed);
|
|
|
|
/* clear everything but the speed and duplex bits */
|
|
speed &= IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_MASK;
|
|
|
|
switch (speed) {
|
|
case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_10GB_FULL:
|
|
force_speed = IXGBE_LINK_SPEED_10GB_FULL;
|
|
break;
|
|
case IXGBE_MDIO_AUTO_NEG_VENDOR_STATUS_1GB_FULL:
|
|
force_speed = IXGBE_LINK_SPEED_1GB_FULL;
|
|
break;
|
|
default:
|
|
/* Internal PHY does not support anything else */
|
|
return IXGBE_ERR_INVALID_LINK_SETTINGS;
|
|
}
|
|
|
|
return ixgbe_setup_ixfi_x550em(hw, &force_speed);
|
|
}
|
|
|
|
/** ixgbe_init_phy_ops_X550em - PHY/SFP specific init
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Initialize any function pointers that were not able to be
|
|
* set during init_shared_code because the PHY/SFP type was
|
|
* not known. Perform the SFP init if necessary.
|
|
**/
|
|
static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
|
|
{
|
|
struct ixgbe_phy_info *phy = &hw->phy;
|
|
s32 ret_val;
|
|
u32 esdp;
|
|
|
|
if (hw->device_id == IXGBE_DEV_ID_X550EM_X_SFP) {
|
|
esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
|
|
phy->phy_semaphore_mask = IXGBE_GSSR_SHARED_I2C_SM;
|
|
|
|
if (hw->bus.lan_id) {
|
|
esdp &= ~(IXGBE_ESDP_SDP1_NATIVE | IXGBE_ESDP_SDP1);
|
|
esdp |= IXGBE_ESDP_SDP1_DIR;
|
|
}
|
|
esdp &= ~(IXGBE_ESDP_SDP0_NATIVE | IXGBE_ESDP_SDP0_DIR);
|
|
IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
|
|
}
|
|
|
|
/* Identify the PHY or SFP module */
|
|
ret_val = phy->ops.identify(hw);
|
|
|
|
/* Setup function pointers based on detected SFP module and speeds */
|
|
ixgbe_init_mac_link_ops_X550em(hw);
|
|
if (phy->sfp_type != ixgbe_sfp_type_unknown)
|
|
phy->ops.reset = NULL;
|
|
|
|
/* Set functions pointers based on phy type */
|
|
switch (hw->phy.type) {
|
|
case ixgbe_phy_x550em_kx4:
|
|
phy->ops.setup_link = ixgbe_setup_kx4_x550em;
|
|
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
|
|
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
|
|
break;
|
|
case ixgbe_phy_x550em_kr:
|
|
phy->ops.setup_link = ixgbe_setup_kr_x550em;
|
|
phy->ops.read_reg = ixgbe_read_phy_reg_x550em;
|
|
phy->ops.write_reg = ixgbe_write_phy_reg_x550em;
|
|
break;
|
|
case ixgbe_phy_x550em_ext_t:
|
|
phy->ops.setup_internal_link = ixgbe_setup_internal_phy_x550em;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ret_val;
|
|
}
|
|
|
|
/** ixgbe_get_media_type_X550em - Get media type
|
|
* @hw: pointer to hardware structure
|
|
*
|
|
* Returns the media type (fiber, copper, backplane)
|
|
*
|
|
*/
|
|
static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
|
|
{
|
|
enum ixgbe_media_type media_type;
|
|
|
|
/* Detect if there is a copper PHY attached. */
|
|
switch (hw->device_id) {
|
|
case IXGBE_DEV_ID_X550EM_X_KR:
|
|
case IXGBE_DEV_ID_X550EM_X_KX4:
|
|
media_type = ixgbe_media_type_backplane;
|
|
break;
|
|
case IXGBE_DEV_ID_X550EM_X_SFP:
|
|
media_type = ixgbe_media_type_fiber;
|
|
break;
|
|
case IXGBE_DEV_ID_X550EM_X_1G_T:
|
|
case IXGBE_DEV_ID_X550EM_X_10G_T:
|
|
media_type = ixgbe_media_type_copper;
|
|
break;
|
|
default:
|
|
media_type = ixgbe_media_type_unknown;
|
|
break;
|
|
}
|
|
return media_type;
|
|
}
|
|
|
|
/** ixgbe_init_ext_t_x550em - Start (unstall) the external Base T PHY.
|
|
** @hw: pointer to hardware structure
|
|
**/
|
|
static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
|
|
{
|
|
u32 status;
|
|
u16 reg;
|
|
u32 retries = 2;
|
|
|
|
do {
|
|
/* decrement retries counter and exit if we hit 0 */
|
|
if (retries < 1) {
|
|
hw_dbg(hw, "External PHY not yet finished resetting.");
|
|
return IXGBE_ERR_PHY;
|
|
}
|
|
retries--;
|
|
|
|
status = hw->phy.ops.read_reg(hw,
|
|
IXGBE_MDIO_TX_VENDOR_ALARMS_3,
|
|
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
|
|
®);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Verify PHY FW reset has completed */
|
|
} while ((reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) != 1);
|
|
|
|
/* Set port to low power mode */
|
|
status = hw->phy.ops.read_reg(hw,
|
|
IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL,
|
|
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
|
|
®);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Enable the transmitter */
|
|
status = hw->phy.ops.read_reg(hw,
|
|
IXGBE_MDIO_PMD_STD_TX_DISABLE_CNTR,
|
|
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
|
|
®);
|
|
if (status)
|
|
return status;
|
|
|
|
reg &= ~IXGBE_MDIO_PMD_GLOBAL_TX_DISABLE;
|
|
|
|
status = hw->phy.ops.write_reg(hw,
|
|
IXGBE_MDIO_PMD_STD_TX_DISABLE_CNTR,
|
|
IXGBE_MDIO_PMA_PMD_DEV_TYPE,
|
|
reg);
|
|
if (status)
|
|
return status;
|
|
|
|
/* Un-stall the PHY FW */
|
|
status = hw->phy.ops.read_reg(hw,
|
|
IXGBE_MDIO_GLOBAL_RES_PR_10,
|
|
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
|
|
®);
|
|
if (status)
|
|
return status;
|
|
|
|
reg &= ~IXGBE_MDIO_POWER_UP_STALL;
|
|
|
|
status = hw->phy.ops.write_reg(hw,
|
|
IXGBE_MDIO_GLOBAL_RES_PR_10,
|
|
IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
|
|
reg);
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_reset_hw_X550em - Perform hardware reset
|
|
** @hw: pointer to hardware structure
|
|
**
|
|
** Resets the hardware by resetting the transmit and receive units, masks
|
|
** and clears all interrupts, perform a PHY reset, and perform a link (MAC)
|
|
** reset.
|
|
**/
|
|
static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
|
|
{
|
|
ixgbe_link_speed link_speed;
|
|
s32 status;
|
|
u32 ctrl = 0;
|
|
u32 i;
|
|
bool link_up = false;
|
|
|
|
/* Call adapter stop to disable Tx/Rx and clear interrupts */
|
|
status = hw->mac.ops.stop_adapter(hw);
|
|
if (status)
|
|
return status;
|
|
|
|
/* flush pending Tx transactions */
|
|
ixgbe_clear_tx_pending(hw);
|
|
|
|
/* PHY ops must be identified and initialized prior to reset */
|
|
|
|
/* Identify PHY and related function pointers */
|
|
status = hw->phy.ops.init(hw);
|
|
|
|
/* start the external PHY */
|
|
if (hw->phy.type == ixgbe_phy_x550em_ext_t) {
|
|
status = ixgbe_init_ext_t_x550em(hw);
|
|
if (status)
|
|
return status;
|
|
}
|
|
|
|
/* Setup SFP module if there is one present. */
|
|
if (hw->phy.sfp_setup_needed) {
|
|
status = hw->mac.ops.setup_sfp(hw);
|
|
hw->phy.sfp_setup_needed = false;
|
|
}
|
|
|
|
/* Reset PHY */
|
|
if (!hw->phy.reset_disable && hw->phy.ops.reset)
|
|
hw->phy.ops.reset(hw);
|
|
|
|
mac_reset_top:
|
|
/* Issue global reset to the MAC. Needs to be SW reset if link is up.
|
|
* If link reset is used when link is up, it might reset the PHY when
|
|
* mng is using it. If link is down or the flag to force full link
|
|
* reset is set, then perform link reset.
|
|
*/
|
|
ctrl = IXGBE_CTRL_LNK_RST;
|
|
|
|
if (!hw->force_full_reset) {
|
|
hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
|
|
if (link_up)
|
|
ctrl = IXGBE_CTRL_RST;
|
|
}
|
|
|
|
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
|
|
IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
|
|
IXGBE_WRITE_FLUSH(hw);
|
|
|
|
/* Poll for reset bit to self-clear meaning reset is complete */
|
|
for (i = 0; i < 10; i++) {
|
|
udelay(1);
|
|
ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
|
|
if (!(ctrl & IXGBE_CTRL_RST_MASK))
|
|
break;
|
|
}
|
|
|
|
if (ctrl & IXGBE_CTRL_RST_MASK) {
|
|
status = IXGBE_ERR_RESET_FAILED;
|
|
hw_dbg(hw, "Reset polling failed to complete.\n");
|
|
}
|
|
|
|
msleep(50);
|
|
|
|
/* Double resets are required for recovery from certain error
|
|
* clear the multicast table. Also reset num_rar_entries to 128,
|
|
* since we modify this value when programming the SAN MAC address.
|
|
*/
|
|
if (hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED) {
|
|
hw->mac.flags &= ~IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
|
|
goto mac_reset_top;
|
|
}
|
|
|
|
/* Store the permanent mac address */
|
|
hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
|
|
|
|
/* Store MAC address from RAR0, clear receive address registers, and
|
|
* clear the multicast table. Also reset num_rar_entries to 128,
|
|
* since we modify this value when programming the SAN MAC address.
|
|
*/
|
|
hw->mac.num_rar_entries = 128;
|
|
hw->mac.ops.init_rx_addrs(hw);
|
|
|
|
return status;
|
|
}
|
|
|
|
/** ixgbe_set_ethertype_anti_spoofing_X550 - Enable/Disable Ethertype
|
|
* anti-spoofing
|
|
* @hw: pointer to hardware structure
|
|
* @enable: enable or disable switch for Ethertype anti-spoofing
|
|
* @vf: Virtual Function pool - VF Pool to set for Ethertype anti-spoofing
|
|
**/
|
|
static void ixgbe_set_ethertype_anti_spoofing_X550(struct ixgbe_hw *hw,
|
|
bool enable, int vf)
|
|
{
|
|
int vf_target_reg = vf >> 3;
|
|
int vf_target_shift = vf % 8 + IXGBE_SPOOF_ETHERTYPEAS_SHIFT;
|
|
u32 pfvfspoof;
|
|
|
|
pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
|
|
if (enable)
|
|
pfvfspoof |= (1 << vf_target_shift);
|
|
else
|
|
pfvfspoof &= ~(1 << vf_target_shift);
|
|
|
|
IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
|
|
}
|
|
|
|
/** ixgbe_set_source_address_pruning_X550 - Enable/Disbale src address pruning
|
|
* @hw: pointer to hardware structure
|
|
* @enable: enable or disable source address pruning
|
|
* @pool: Rx pool to set source address pruning for
|
|
**/
|
|
static void ixgbe_set_source_address_pruning_X550(struct ixgbe_hw *hw,
|
|
bool enable,
|
|
unsigned int pool)
|
|
{
|
|
u64 pfflp;
|
|
|
|
/* max rx pool is 63 */
|
|
if (pool > 63)
|
|
return;
|
|
|
|
pfflp = (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPL);
|
|
pfflp |= (u64)IXGBE_READ_REG(hw, IXGBE_PFFLPH) << 32;
|
|
|
|
if (enable)
|
|
pfflp |= (1ULL << pool);
|
|
else
|
|
pfflp &= ~(1ULL << pool);
|
|
|
|
IXGBE_WRITE_REG(hw, IXGBE_PFFLPL, (u32)pfflp);
|
|
IXGBE_WRITE_REG(hw, IXGBE_PFFLPH, (u32)(pfflp >> 32));
|
|
}
|
|
|
|
#define X550_COMMON_MAC \
|
|
.init_hw = &ixgbe_init_hw_generic, \
|
|
.start_hw = &ixgbe_start_hw_X540, \
|
|
.clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic, \
|
|
.enable_rx_dma = &ixgbe_enable_rx_dma_generic, \
|
|
.get_mac_addr = &ixgbe_get_mac_addr_generic, \
|
|
.get_device_caps = &ixgbe_get_device_caps_generic, \
|
|
.stop_adapter = &ixgbe_stop_adapter_generic, \
|
|
.get_bus_info = &ixgbe_get_bus_info_generic, \
|
|
.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie, \
|
|
.read_analog_reg8 = NULL, \
|
|
.write_analog_reg8 = NULL, \
|
|
.set_rxpba = &ixgbe_set_rxpba_generic, \
|
|
.check_link = &ixgbe_check_mac_link_generic, \
|
|
.led_on = &ixgbe_led_on_generic, \
|
|
.led_off = &ixgbe_led_off_generic, \
|
|
.blink_led_start = &ixgbe_blink_led_start_X540, \
|
|
.blink_led_stop = &ixgbe_blink_led_stop_X540, \
|
|
.set_rar = &ixgbe_set_rar_generic, \
|
|
.clear_rar = &ixgbe_clear_rar_generic, \
|
|
.set_vmdq = &ixgbe_set_vmdq_generic, \
|
|
.set_vmdq_san_mac = &ixgbe_set_vmdq_san_mac_generic, \
|
|
.clear_vmdq = &ixgbe_clear_vmdq_generic, \
|
|
.init_rx_addrs = &ixgbe_init_rx_addrs_generic, \
|
|
.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic, \
|
|
.enable_mc = &ixgbe_enable_mc_generic, \
|
|
.disable_mc = &ixgbe_disable_mc_generic, \
|
|
.clear_vfta = &ixgbe_clear_vfta_generic, \
|
|
.set_vfta = &ixgbe_set_vfta_generic, \
|
|
.fc_enable = &ixgbe_fc_enable_generic, \
|
|
.set_fw_drv_ver = &ixgbe_set_fw_drv_ver_generic, \
|
|
.init_uta_tables = &ixgbe_init_uta_tables_generic, \
|
|
.set_mac_anti_spoofing = &ixgbe_set_mac_anti_spoofing, \
|
|
.set_vlan_anti_spoofing = &ixgbe_set_vlan_anti_spoofing, \
|
|
.set_source_address_pruning = \
|
|
&ixgbe_set_source_address_pruning_X550, \
|
|
.set_ethertype_anti_spoofing = \
|
|
&ixgbe_set_ethertype_anti_spoofing_X550, \
|
|
.acquire_swfw_sync = &ixgbe_acquire_swfw_sync_X540, \
|
|
.release_swfw_sync = &ixgbe_release_swfw_sync_X540, \
|
|
.disable_rx_buff = &ixgbe_disable_rx_buff_generic, \
|
|
.enable_rx_buff = &ixgbe_enable_rx_buff_generic, \
|
|
.get_thermal_sensor_data = NULL, \
|
|
.init_thermal_sensor_thresh = NULL, \
|
|
.prot_autoc_read = &prot_autoc_read_generic, \
|
|
.prot_autoc_write = &prot_autoc_write_generic, \
|
|
.enable_rx = &ixgbe_enable_rx_generic, \
|
|
.disable_rx = &ixgbe_disable_rx_x550, \
|
|
|
|
static struct ixgbe_mac_operations mac_ops_X550 = {
|
|
X550_COMMON_MAC
|
|
.reset_hw = &ixgbe_reset_hw_X540,
|
|
.get_media_type = &ixgbe_get_media_type_X540,
|
|
.get_san_mac_addr = &ixgbe_get_san_mac_addr_generic,
|
|
.get_wwn_prefix = &ixgbe_get_wwn_prefix_generic,
|
|
.setup_link = &ixgbe_setup_mac_link_X540,
|
|
.get_link_capabilities = &ixgbe_get_copper_link_capabilities_generic,
|
|
.setup_sfp = NULL,
|
|
};
|
|
|
|
static struct ixgbe_mac_operations mac_ops_X550EM_x = {
|
|
X550_COMMON_MAC
|
|
.reset_hw = &ixgbe_reset_hw_X550em,
|
|
.get_media_type = &ixgbe_get_media_type_X550em,
|
|
.get_san_mac_addr = NULL,
|
|
.get_wwn_prefix = NULL,
|
|
.setup_link = NULL, /* defined later */
|
|
.get_link_capabilities = &ixgbe_get_link_capabilities_X550em,
|
|
.setup_sfp = ixgbe_setup_sfp_modules_X550em,
|
|
|
|
};
|
|
|
|
#define X550_COMMON_EEP \
|
|
.read = &ixgbe_read_ee_hostif_X550, \
|
|
.read_buffer = &ixgbe_read_ee_hostif_buffer_X550, \
|
|
.write = &ixgbe_write_ee_hostif_X550, \
|
|
.write_buffer = &ixgbe_write_ee_hostif_buffer_X550, \
|
|
.validate_checksum = &ixgbe_validate_eeprom_checksum_X550, \
|
|
.update_checksum = &ixgbe_update_eeprom_checksum_X550, \
|
|
.calc_checksum = &ixgbe_calc_eeprom_checksum_X550, \
|
|
|
|
static struct ixgbe_eeprom_operations eeprom_ops_X550 = {
|
|
X550_COMMON_EEP
|
|
.init_params = &ixgbe_init_eeprom_params_X550,
|
|
};
|
|
|
|
static struct ixgbe_eeprom_operations eeprom_ops_X550EM_x = {
|
|
X550_COMMON_EEP
|
|
.init_params = &ixgbe_init_eeprom_params_X540,
|
|
};
|
|
|
|
#define X550_COMMON_PHY \
|
|
.identify_sfp = &ixgbe_identify_module_generic, \
|
|
.reset = NULL, \
|
|
.setup_link_speed = &ixgbe_setup_phy_link_speed_generic, \
|
|
.read_i2c_byte = &ixgbe_read_i2c_byte_generic, \
|
|
.write_i2c_byte = &ixgbe_write_i2c_byte_generic, \
|
|
.read_i2c_sff8472 = &ixgbe_read_i2c_sff8472_generic, \
|
|
.read_i2c_eeprom = &ixgbe_read_i2c_eeprom_generic, \
|
|
.write_i2c_eeprom = &ixgbe_write_i2c_eeprom_generic, \
|
|
.check_overtemp = &ixgbe_tn_check_overtemp, \
|
|
.get_firmware_version = &ixgbe_get_phy_firmware_version_generic,
|
|
|
|
static struct ixgbe_phy_operations phy_ops_X550 = {
|
|
X550_COMMON_PHY
|
|
.init = NULL,
|
|
.identify = &ixgbe_identify_phy_generic,
|
|
.read_reg = &ixgbe_read_phy_reg_generic,
|
|
.write_reg = &ixgbe_write_phy_reg_generic,
|
|
.setup_link = &ixgbe_setup_phy_link_generic,
|
|
.read_i2c_combined = &ixgbe_read_i2c_combined_generic,
|
|
.write_i2c_combined = &ixgbe_write_i2c_combined_generic,
|
|
};
|
|
|
|
static struct ixgbe_phy_operations phy_ops_X550EM_x = {
|
|
X550_COMMON_PHY
|
|
.init = &ixgbe_init_phy_ops_X550em,
|
|
.identify = &ixgbe_identify_phy_x550em,
|
|
.read_reg = NULL, /* defined later */
|
|
.write_reg = NULL, /* defined later */
|
|
.setup_link = NULL, /* defined later */
|
|
};
|
|
|
|
struct ixgbe_info ixgbe_X550_info = {
|
|
.mac = ixgbe_mac_X550,
|
|
.get_invariants = &ixgbe_get_invariants_X540,
|
|
.mac_ops = &mac_ops_X550,
|
|
.eeprom_ops = &eeprom_ops_X550,
|
|
.phy_ops = &phy_ops_X550,
|
|
.mbx_ops = &mbx_ops_generic,
|
|
};
|
|
|
|
struct ixgbe_info ixgbe_X550EM_x_info = {
|
|
.mac = ixgbe_mac_X550EM_x,
|
|
.get_invariants = &ixgbe_get_invariants_X540,
|
|
.mac_ops = &mac_ops_X550EM_x,
|
|
.eeprom_ops = &eeprom_ops_X550EM_x,
|
|
.phy_ops = &phy_ops_X550EM_x,
|
|
.mbx_ops = &mbx_ops_generic,
|
|
};
|