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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/sys/dev/bxe/bxe_elink.c
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2007-2017 QLogic Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include "bxe.h"
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#include "bxe_elink.h"
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#include "ecore_mfw_req.h"
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#include "ecore_fw_defs.h"
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#include "ecore_hsi.h"
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#include "ecore_reg.h"
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#define MDIO_REG_BANK_CL73_IEEEB0 0x0
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#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL 0x0
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#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN 0x0200
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#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN 0x1000
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#define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_MAIN_RST 0x8000
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#define MDIO_REG_BANK_CL73_IEEEB1 0x10
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#define MDIO_CL73_IEEEB1_AN_ADV1 0x00
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#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE 0x0400
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#define MDIO_CL73_IEEEB1_AN_ADV1_ASYMMETRIC 0x0800
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#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH 0x0C00
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#define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK 0x0C00
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#define MDIO_CL73_IEEEB1_AN_ADV2 0x01
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#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M 0x0000
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#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX 0x0020
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#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 0x0040
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#define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR 0x0080
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#define MDIO_CL73_IEEEB1_AN_LP_ADV1 0x03
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#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE 0x0400
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#define MDIO_CL73_IEEEB1_AN_LP_ADV1_ASYMMETRIC 0x0800
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#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_BOTH 0x0C00
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#define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK 0x0C00
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#define MDIO_CL73_IEEEB1_AN_LP_ADV2 0x04
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#define MDIO_REG_BANK_RX0 0x80b0
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#define MDIO_RX0_RX_STATUS 0x10
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#define MDIO_RX0_RX_STATUS_SIGDET 0x8000
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#define MDIO_RX0_RX_STATUS_RX_SEQ_DONE 0x1000
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#define MDIO_RX0_RX_EQ_BOOST 0x1c
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#define MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
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#define MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL 0x10
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#define MDIO_REG_BANK_RX1 0x80c0
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#define MDIO_RX1_RX_EQ_BOOST 0x1c
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#define MDIO_RX1_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
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#define MDIO_RX1_RX_EQ_BOOST_OFFSET_CTRL 0x10
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#define MDIO_REG_BANK_RX2 0x80d0
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#define MDIO_RX2_RX_EQ_BOOST 0x1c
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#define MDIO_RX2_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
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#define MDIO_RX2_RX_EQ_BOOST_OFFSET_CTRL 0x10
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#define MDIO_REG_BANK_RX3 0x80e0
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#define MDIO_RX3_RX_EQ_BOOST 0x1c
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#define MDIO_RX3_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
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#define MDIO_RX3_RX_EQ_BOOST_OFFSET_CTRL 0x10
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#define MDIO_REG_BANK_RX_ALL 0x80f0
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#define MDIO_RX_ALL_RX_EQ_BOOST 0x1c
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#define MDIO_RX_ALL_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7
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#define MDIO_RX_ALL_RX_EQ_BOOST_OFFSET_CTRL 0x10
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#define MDIO_REG_BANK_TX0 0x8060
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#define MDIO_TX0_TX_DRIVER 0x17
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
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#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
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#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
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#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
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#define MDIO_REG_BANK_TX1 0x8070
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#define MDIO_TX1_TX_DRIVER 0x17
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
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#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
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#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
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#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
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#define MDIO_REG_BANK_TX2 0x8080
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#define MDIO_TX2_TX_DRIVER 0x17
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
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#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
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#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
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#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
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#define MDIO_REG_BANK_TX3 0x8090
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#define MDIO_TX3_TX_DRIVER 0x17
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000
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#define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12
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#define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
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#define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0
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#define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e
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#define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1
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#define MDIO_TX0_TX_DRIVER_ICBUF1T 1
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#define MDIO_REG_BANK_XGXS_BLOCK0 0x8000
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#define MDIO_BLOCK0_XGXS_CONTROL 0x10
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#define MDIO_REG_BANK_XGXS_BLOCK1 0x8010
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#define MDIO_BLOCK1_LANE_CTRL0 0x15
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#define MDIO_BLOCK1_LANE_CTRL1 0x16
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#define MDIO_BLOCK1_LANE_CTRL2 0x17
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#define MDIO_BLOCK1_LANE_PRBS 0x19
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#define MDIO_REG_BANK_XGXS_BLOCK2 0x8100
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#define MDIO_XGXS_BLOCK2_RX_LN_SWAP 0x10
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#define MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE 0x8000
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#define MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE 0x4000
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#define MDIO_XGXS_BLOCK2_TX_LN_SWAP 0x11
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#define MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE 0x8000
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#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G 0x14
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#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS 0x0001
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#define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS 0x0010
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#define MDIO_XGXS_BLOCK2_TEST_MODE_LANE 0x15
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#define MDIO_REG_BANK_GP_STATUS 0x8120
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#define MDIO_GP_STATUS_TOP_AN_STATUS1 0x1B
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE 0x0001
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE 0x0002
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS 0x0004
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS 0x0008
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE 0x0010
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_LP_NP_BAM_ABLE 0x0020
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE 0x0040
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE 0x0080
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK 0x3f00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M 0x0000
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M 0x0100
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G 0x0200
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G 0x0300
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G 0x0400
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G 0x0500
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG 0x0600
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 0x0700
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG 0x0800
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G 0x0900
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G 0x0A00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G 0x0B00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G 0x0C00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX 0x0D00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 0x0E00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR 0x0F00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI 0x1B00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS 0x1E00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI 0x1F00
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#define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2 0x3900
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#define MDIO_REG_BANK_10G_PARALLEL_DETECT 0x8130
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#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS 0x10
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#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK 0x8000
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#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL 0x11
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#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN 0x1
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#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK 0x13
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#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT (0xb71<<1)
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#define MDIO_REG_BANK_SERDES_DIGITAL 0x8300
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1 0x10
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE 0x0001
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_TBI_IF 0x0002
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN 0x0004
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT 0x0008
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET 0x0010
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE 0x0020
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2 0x11
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN 0x0001
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#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_AN_FST_TMR 0x0040
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1 0x14
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SGMII 0x0001
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_LINK 0x0002
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_DUPLEX 0x0004
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_MASK 0x0018
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_SHIFT 3
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_2_5G 0x0018
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G 0x0010
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M 0x0008
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M 0x0000
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2 0x15
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#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED 0x0002
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#define MDIO_SERDES_DIGITAL_MISC1 0x18
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#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK 0xE000
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#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M 0x0000
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#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_100M 0x2000
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#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_125M 0x4000
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#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M 0x6000
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#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_187_5M 0x8000
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL 0x0010
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK 0x000f
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_2_5G 0x0000
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_5G 0x0001
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_6G 0x0002
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_HIG 0x0003
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4 0x0004
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12G 0x0005
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12_5G 0x0006
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G 0x0007
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_15G 0x0008
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#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_16G 0x0009
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#define MDIO_REG_BANK_OVER_1G 0x8320
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#define MDIO_OVER_1G_DIGCTL_3_4 0x14
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#define MDIO_OVER_1G_DIGCTL_3_4_MP_ID_MASK 0xffe0
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#define MDIO_OVER_1G_DIGCTL_3_4_MP_ID_SHIFT 5
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#define MDIO_OVER_1G_UP1 0x19
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#define MDIO_OVER_1G_UP1_2_5G 0x0001
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#define MDIO_OVER_1G_UP1_5G 0x0002
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#define MDIO_OVER_1G_UP1_6G 0x0004
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#define MDIO_OVER_1G_UP1_10G 0x0010
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#define MDIO_OVER_1G_UP1_10GH 0x0008
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#define MDIO_OVER_1G_UP1_12G 0x0020
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#define MDIO_OVER_1G_UP1_12_5G 0x0040
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#define MDIO_OVER_1G_UP1_13G 0x0080
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#define MDIO_OVER_1G_UP1_15G 0x0100
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#define MDIO_OVER_1G_UP1_16G 0x0200
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#define MDIO_OVER_1G_UP2 0x1A
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#define MDIO_OVER_1G_UP2_IPREDRIVER_MASK 0x0007
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#define MDIO_OVER_1G_UP2_IDRIVER_MASK 0x0038
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#define MDIO_OVER_1G_UP2_PREEMPHASIS_MASK 0x03C0
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#define MDIO_OVER_1G_UP3 0x1B
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#define MDIO_OVER_1G_UP3_HIGIG2 0x0001
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#define MDIO_OVER_1G_LP_UP1 0x1C
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#define MDIO_OVER_1G_LP_UP2 0x1D
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#define MDIO_OVER_1G_LP_UP2_MR_ADV_OVER_1G_MASK 0x03ff
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#define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK 0x0780
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#define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT 7
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#define MDIO_OVER_1G_LP_UP3 0x1E
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#define MDIO_REG_BANK_REMOTE_PHY 0x8330
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#define MDIO_REMOTE_PHY_MISC_RX_STATUS 0x10
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#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG 0x0010
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#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG 0x0600
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#define MDIO_REG_BANK_BAM_NEXT_PAGE 0x8350
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#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL 0x10
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#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE 0x0001
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#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN 0x0002
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#define MDIO_REG_BANK_CL73_USERB0 0x8370
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#define MDIO_CL73_USERB0_CL73_UCTRL 0x10
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#define MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL 0x0002
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#define MDIO_CL73_USERB0_CL73_USTAT1 0x11
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#define MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK 0x0100
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#define MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37 0x0400
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#define MDIO_CL73_USERB0_CL73_BAM_CTRL1 0x12
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#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN 0x8000
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#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN 0x4000
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#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN 0x2000
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#define MDIO_CL73_USERB0_CL73_BAM_CTRL3 0x14
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#define MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR 0x0001
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#define MDIO_REG_BANK_AER_BLOCK 0xFFD0
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#define MDIO_AER_BLOCK_AER_REG 0x1E
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#define MDIO_REG_BANK_COMBO_IEEE0 0xFFE0
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#define MDIO_COMBO_IEEE0_MII_CONTROL 0x10
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#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK 0x2040
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#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_10 0x0000
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#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100 0x2000
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#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000 0x0040
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#define MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX 0x0100
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#define MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN 0x0200
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#define MDIO_COMBO_IEEO_MII_CONTROL_AN_EN 0x1000
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#define MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK 0x4000
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#define MDIO_COMBO_IEEO_MII_CONTROL_RESET 0x8000
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#define MDIO_COMBO_IEEE0_MII_STATUS 0x11
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#define MDIO_COMBO_IEEE0_MII_STATUS_LINK_PASS 0x0004
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#define MDIO_COMBO_IEEE0_MII_STATUS_AUTONEG_COMPLETE 0x0020
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV 0x14
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX 0x0020
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_HALF_DUPLEX 0x0040
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK 0x0180
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE 0x0000
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC 0x0080
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC 0x0100
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH 0x0180
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#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_NEXT_PAGE 0x8000
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#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1 0x15
320
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_NEXT_PAGE 0x8000
321
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_ACK 0x4000
322
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_MASK 0x0180
323
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_NONE 0x0000
324
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_BOTH 0x0180
325
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_HALF_DUP_CAP 0x0040
326
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_FULL_DUP_CAP 0x0020
327
/*WhenthelinkpartnerisinSGMIImode(bit0=1),then
328
bit15=link,bit12=duplex,bits11:10=speed,bit14=acknowledge.
329
Theotherbitsarereservedandshouldbezero*/
330
#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_SGMII_MODE 0x0001
331
332
333
#define MDIO_PMA_DEVAD 0x1
334
/*ieee*/
335
#define MDIO_PMA_REG_CTRL 0x0
336
#define MDIO_PMA_REG_STATUS 0x1
337
#define MDIO_PMA_REG_10G_CTRL2 0x7
338
#define MDIO_PMA_REG_TX_DISABLE 0x0009
339
#define MDIO_PMA_REG_RX_SD 0xa
340
/*bcm*/
341
#define MDIO_PMA_REG_BCM_CTRL 0x0096
342
#define MDIO_PMA_REG_FEC_CTRL 0x00ab
343
#define MDIO_PMA_LASI_RXCTRL 0x9000
344
#define MDIO_PMA_LASI_TXCTRL 0x9001
345
#define MDIO_PMA_LASI_CTRL 0x9002
346
#define MDIO_PMA_LASI_RXSTAT 0x9003
347
#define MDIO_PMA_LASI_TXSTAT 0x9004
348
#define MDIO_PMA_LASI_STAT 0x9005
349
#define MDIO_PMA_REG_PHY_IDENTIFIER 0xc800
350
#define MDIO_PMA_REG_DIGITAL_CTRL 0xc808
351
#define MDIO_PMA_REG_DIGITAL_STATUS 0xc809
352
#define MDIO_PMA_REG_TX_POWER_DOWN 0xca02
353
#define MDIO_PMA_REG_CMU_PLL_BYPASS 0xca09
354
#define MDIO_PMA_REG_MISC_CTRL 0xca0a
355
#define MDIO_PMA_REG_GEN_CTRL 0xca10
356
#define MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP 0x0188
357
#define MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET 0x018a
358
#define MDIO_PMA_REG_M8051_MSGIN_REG 0xca12
359
#define MDIO_PMA_REG_M8051_MSGOUT_REG 0xca13
360
#define MDIO_PMA_REG_ROM_VER1 0xca19
361
#define MDIO_PMA_REG_ROM_VER2 0xca1a
362
#define MDIO_PMA_REG_EDC_FFE_MAIN 0xca1b
363
#define MDIO_PMA_REG_PLL_BANDWIDTH 0xca1d
364
#define MDIO_PMA_REG_PLL_CTRL 0xca1e
365
#define MDIO_PMA_REG_MISC_CTRL0 0xca23
366
#define MDIO_PMA_REG_LRM_MODE 0xca3f
367
#define MDIO_PMA_REG_CDR_BANDWIDTH 0xca46
368
#define MDIO_PMA_REG_MISC_CTRL1 0xca85
369
370
#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL 0x8000
371
#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK 0x000c
372
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE 0x0000
373
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE 0x0004
374
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IN_PROGRESS 0x0008
375
#define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_FAILED 0x000c
376
#define MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT 0x8002
377
#define MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR 0x8003
378
#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF 0xc820
379
#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK 0xff
380
#define MDIO_PMA_REG_8726_TX_CTRL1 0xca01
381
#define MDIO_PMA_REG_8726_TX_CTRL2 0xca05
382
383
#define MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR 0x8005
384
#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF 0x8007
385
#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK 0xff
386
#define MDIO_PMA_REG_8727_MISC_CTRL 0x8309
387
#define MDIO_PMA_REG_8727_TX_CTRL1 0xca02
388
#define MDIO_PMA_REG_8727_TX_CTRL2 0xca05
389
#define MDIO_PMA_REG_8727_PCS_OPT_CTRL 0xc808
390
#define MDIO_PMA_REG_8727_GPIO_CTRL 0xc80e
391
#define MDIO_PMA_REG_8727_PCS_GP 0xc842
392
#define MDIO_PMA_REG_8727_OPT_CFG_REG 0xc8e4
393
394
#define MDIO_AN_REG_8727_MISC_CTRL 0x8309
395
#define MDIO_PMA_REG_8073_CHIP_REV 0xc801
396
#define MDIO_PMA_REG_8073_SPEED_LINK_STATUS 0xc820
397
#define MDIO_PMA_REG_8073_XAUI_WA 0xc841
398
#define MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL 0xcd08
399
400
#define MDIO_PMA_REG_7101_RESET 0xc000
401
#define MDIO_PMA_REG_7107_LED_CNTL 0xc007
402
#define MDIO_PMA_REG_7107_LINK_LED_CNTL 0xc009
403
#define MDIO_PMA_REG_7101_VER1 0xc026
404
#define MDIO_PMA_REG_7101_VER2 0xc027
405
406
#define MDIO_PMA_REG_8481_PMD_SIGNAL 0xa811
407
#define MDIO_PMA_REG_8481_LED1_MASK 0xa82c
408
#define MDIO_PMA_REG_8481_LED2_MASK 0xa82f
409
#define MDIO_PMA_REG_8481_LED3_MASK 0xa832
410
#define MDIO_PMA_REG_8481_LED3_BLINK 0xa834
411
#define MDIO_PMA_REG_8481_LED5_MASK 0xa838
412
#define MDIO_PMA_REG_8481_SIGNAL_MASK 0xa835
413
#define MDIO_PMA_REG_8481_LINK_SIGNAL 0xa83b
414
#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK 0x800
415
#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT 11
416
417
418
419
#define MDIO_WIS_DEVAD 0x2
420
/*bcm*/
421
#define MDIO_WIS_REG_LASI_CNTL 0x9002
422
#define MDIO_WIS_REG_LASI_STATUS 0x9005
423
424
#define MDIO_PCS_DEVAD 0x3
425
#define MDIO_PCS_REG_STATUS 0x0020
426
#define MDIO_PCS_REG_LASI_STATUS 0x9005
427
#define MDIO_PCS_REG_7101_DSP_ACCESS 0xD000
428
#define MDIO_PCS_REG_7101_SPI_MUX 0xD008
429
#define MDIO_PCS_REG_7101_SPI_CTRL_ADDR 0xE12A
430
#define MDIO_PCS_REG_7101_SPI_RESET_BIT (5)
431
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR 0xE02A
432
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD (6)
433
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD (0xC7)
434
#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD (2)
435
#define MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR 0xE028
436
437
438
439
#define MDIO_XS_DEVAD 0x4
440
#define MDIO_XS_REG_STATUS 0x0001
441
#define MDIO_XS_PLL_SEQUENCER 0x8000
442
#define MDIO_XS_SFX7101_XGXS_TEST1 0xc00a
443
444
#define MDIO_XS_8706_REG_BANK_RX0 0x80bc
445
#define MDIO_XS_8706_REG_BANK_RX1 0x80cc
446
#define MDIO_XS_8706_REG_BANK_RX2 0x80dc
447
#define MDIO_XS_8706_REG_BANK_RX3 0x80ec
448
#define MDIO_XS_8706_REG_BANK_RXA 0x80fc
449
450
#define MDIO_XS_REG_8073_RX_CTRL_PCIE 0x80FA
451
452
#define MDIO_AN_DEVAD 0x7
453
/*ieee*/
454
#define MDIO_AN_REG_CTRL 0x0000
455
#define MDIO_AN_REG_STATUS 0x0001
456
#define MDIO_AN_REG_STATUS_AN_COMPLETE 0x0020
457
#define MDIO_AN_REG_ADV_PAUSE 0x0010
458
#define MDIO_AN_REG_ADV_PAUSE_PAUSE 0x0400
459
#define MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC 0x0800
460
#define MDIO_AN_REG_ADV_PAUSE_BOTH 0x0C00
461
#define MDIO_AN_REG_ADV_PAUSE_MASK 0x0C00
462
#define MDIO_AN_REG_ADV 0x0011
463
#define MDIO_AN_REG_ADV2 0x0012
464
#define MDIO_AN_REG_LP_AUTO_NEG 0x0013
465
#define MDIO_AN_REG_LP_AUTO_NEG2 0x0014
466
#define MDIO_AN_REG_MASTER_STATUS 0x0021
467
#define MDIO_AN_REG_EEE_ADV 0x003c
468
#define MDIO_AN_REG_LP_EEE_ADV 0x003d
469
/*bcm*/
470
#define MDIO_AN_REG_LINK_STATUS 0x8304
471
#define MDIO_AN_REG_CL37_CL73 0x8370
472
#define MDIO_AN_REG_CL37_AN 0xffe0
473
#define MDIO_AN_REG_CL37_FC_LD 0xffe4
474
#define MDIO_AN_REG_CL37_FC_LP 0xffe5
475
#define MDIO_AN_REG_1000T_STATUS 0xffea
476
477
#define MDIO_AN_REG_8073_2_5G 0x8329
478
#define MDIO_AN_REG_8073_BAM 0x8350
479
480
#define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL 0x0020
481
#define MDIO_AN_REG_8481_LEGACY_MII_CTRL 0xffe0
482
#define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G 0x40
483
#define MDIO_AN_REG_8481_LEGACY_MII_STATUS 0xffe1
484
#define MDIO_AN_REG_848xx_ID_MSB 0xffe2
485
#define BCM84858_PHY_ID 0x600d
486
#define MDIO_AN_REG_848xx_ID_LSB 0xffe3
487
#define MDIO_AN_REG_8481_LEGACY_AN_ADV 0xffe4
488
#define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION 0xffe6
489
#define MDIO_AN_REG_8481_1000T_CTRL 0xffe9
490
#define MDIO_AN_REG_8481_1G_100T_EXT_CTRL 0xfff0
491
#define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF 0x0008
492
#define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW 0xfff5
493
#define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS 0xfff7
494
#define MDIO_AN_REG_8481_AUX_CTRL 0xfff8
495
#define MDIO_AN_REG_8481_LEGACY_SHADOW 0xfffc
496
497
/* BCM84823 only */
498
#define MDIO_CTL_DEVAD 0x1e
499
#define MDIO_CTL_REG_84823_MEDIA 0x401a
500
#define MDIO_CTL_REG_84823_MEDIA_MAC_MASK 0x0018
501
/* These pins configure the BCM84823 interface to MAC after reset. */
502
#define MDIO_CTL_REG_84823_CTRL_MAC_XFI 0x0008
503
#define MDIO_CTL_REG_84823_MEDIA_MAC_XAUI_M 0x0010
504
/* These pins configure the BCM84823 interface to Line after reset. */
505
#define MDIO_CTL_REG_84823_MEDIA_LINE_MASK 0x0060
506
#define MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L 0x0020
507
#define MDIO_CTL_REG_84823_MEDIA_LINE_XFI 0x0040
508
/* When this pin is active high during reset, 10GBASE-T core is power
509
* down, When it is active low the 10GBASE-T is power up
510
*/
511
#define MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN 0x0080
512
#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK 0x0100
513
#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER 0x0000
514
#define MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER 0x0100
515
#define MDIO_CTL_REG_84823_MEDIA_FIBER_1G 0x1000
516
#define MDIO_CTL_REG_84823_USER_CTRL_REG 0x4005
517
#define MDIO_CTL_REG_84823_USER_CTRL_CMS 0x0080
518
#define MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH 0xa82b
519
#define MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ 0x2f
520
#define MDIO_PMA_REG_84823_CTL_LED_CTL_1 0xa8e3
521
#define MDIO_PMA_REG_84833_CTL_LED_CTL_1 0xa8ec
522
#define MDIO_PMA_REG_84823_LED3_STRETCH_EN 0x0080
523
524
/* BCM84833 only */
525
#define MDIO_84833_TOP_CFG_FW_REV 0x400f
526
#define MDIO_84833_TOP_CFG_FW_EEE 0x10b1
527
#define MDIO_84833_TOP_CFG_FW_NO_EEE 0x1f81
528
#define MDIO_84833_TOP_CFG_XGPHY_STRAP1 0x401a
529
#define MDIO_84833_SUPER_ISOLATE 0x8000
530
/* These are mailbox register set used by 84833/84858. */
531
#define MDIO_848xx_TOP_CFG_SCRATCH_REG0 0x4005
532
#define MDIO_848xx_TOP_CFG_SCRATCH_REG1 0x4006
533
#define MDIO_848xx_TOP_CFG_SCRATCH_REG2 0x4007
534
#define MDIO_848xx_TOP_CFG_SCRATCH_REG3 0x4008
535
#define MDIO_848xx_TOP_CFG_SCRATCH_REG4 0x4009
536
#define MDIO_848xx_TOP_CFG_SCRATCH_REG26 0x4037
537
#define MDIO_848xx_TOP_CFG_SCRATCH_REG27 0x4038
538
#define MDIO_848xx_TOP_CFG_SCRATCH_REG28 0x4039
539
#define MDIO_848xx_TOP_CFG_SCRATCH_REG29 0x403a
540
#define MDIO_848xx_TOP_CFG_SCRATCH_REG30 0x403b
541
#define MDIO_848xx_TOP_CFG_SCRATCH_REG31 0x403c
542
#define MDIO_848xx_CMD_HDLR_COMMAND (MDIO_848xx_TOP_CFG_SCRATCH_REG0)
543
#define MDIO_848xx_CMD_HDLR_STATUS (MDIO_848xx_TOP_CFG_SCRATCH_REG26)
544
#define MDIO_848xx_CMD_HDLR_DATA1 (MDIO_848xx_TOP_CFG_SCRATCH_REG27)
545
#define MDIO_848xx_CMD_HDLR_DATA2 (MDIO_848xx_TOP_CFG_SCRATCH_REG28)
546
#define MDIO_848xx_CMD_HDLR_DATA3 (MDIO_848xx_TOP_CFG_SCRATCH_REG29)
547
#define MDIO_848xx_CMD_HDLR_DATA4 (MDIO_848xx_TOP_CFG_SCRATCH_REG30)
548
#define MDIO_848xx_CMD_HDLR_DATA5 (MDIO_848xx_TOP_CFG_SCRATCH_REG31)
549
550
/* Mailbox command set used by 84833/84858 */
551
#define PHY848xx_CMD_SET_PAIR_SWAP 0x8001
552
#define PHY848xx_CMD_GET_EEE_MODE 0x8008
553
#define PHY848xx_CMD_SET_EEE_MODE 0x8009
554
#define PHY848xx_CMD_GET_CURRENT_TEMP 0x8031
555
/* Mailbox status set used by 84833 only */
556
#define PHY84833_STATUS_CMD_RECEIVED 0x0001
557
#define PHY84833_STATUS_CMD_IN_PROGRESS 0x0002
558
#define PHY84833_STATUS_CMD_COMPLETE_PASS 0x0004
559
#define PHY84833_STATUS_CMD_COMPLETE_ERROR 0x0008
560
#define PHY84833_STATUS_CMD_OPEN_FOR_CMDS 0x0010
561
#define PHY84833_STATUS_CMD_SYSTEM_BOOT 0x0020
562
#define PHY84833_STATUS_CMD_NOT_OPEN_FOR_CMDS 0x0040
563
#define PHY84833_STATUS_CMD_CLEAR_COMPLETE 0x0080
564
#define PHY84833_STATUS_CMD_OPEN_OVERRIDE 0xa5a5
565
/* Mailbox Process */
566
#define PHY84833_MB_PROCESS1 1
567
#define PHY84833_MB_PROCESS2 2
568
#define PHY84833_MB_PROCESS3 3
569
570
571
/* Mailbox status set used by 84858 only */
572
#define PHY84858_STATUS_CMD_RECEIVED 0x0001
573
#define PHY84858_STATUS_CMD_IN_PROGRESS 0x0002
574
#define PHY84858_STATUS_CMD_COMPLETE_PASS 0x0004
575
#define PHY84858_STATUS_CMD_COMPLETE_ERROR 0x0008
576
#define PHY84858_STATUS_CMD_SYSTEM_BUSY 0xbbbb
577
578
579
/* Warpcore clause 45 addressing */
580
#define MDIO_WC_DEVAD 0x3
581
#define MDIO_WC_REG_IEEE0BLK_MIICNTL 0x0
582
#define MDIO_WC_REG_IEEE0BLK_AUTONEGNP 0x7
583
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0 0x10
584
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1 0x11
585
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2 0x12
586
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY 0x4000
587
#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ 0x8000
588
#define MDIO_WC_REG_PCS_STATUS2 0x0021
589
#define MDIO_WC_REG_PMD_KR_CONTROL 0x0096
590
#define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL 0x8000
591
#define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1 0x800e
592
#define MDIO_WC_REG_XGXSBLK1_DESKEW 0x8010
593
#define MDIO_WC_REG_XGXSBLK1_LANECTRL0 0x8015
594
#define MDIO_WC_REG_XGXSBLK1_LANECTRL1 0x8016
595
#define MDIO_WC_REG_XGXSBLK1_LANECTRL2 0x8017
596
#define MDIO_WC_REG_XGXSBLK1_LANECTRL3 0x8018
597
#define MDIO_WC_REG_XGXSBLK1_LANETEST0 0x801a
598
#define MDIO_WC_REG_TX0_ANA_CTRL0 0x8061
599
#define MDIO_WC_REG_TX1_ANA_CTRL0 0x8071
600
#define MDIO_WC_REG_TX2_ANA_CTRL0 0x8081
601
#define MDIO_WC_REG_TX3_ANA_CTRL0 0x8091
602
#define MDIO_WC_REG_TX0_TX_DRIVER 0x8067
603
#define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET 0x01
604
#define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_MASK 0x000e
605
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET 0x04
606
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_MASK 0x00f0
607
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET 0x08
608
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00
609
#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET 0x0c
610
#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_MASK 0x7000
611
#define MDIO_WC_REG_TX1_TX_DRIVER 0x8077
612
#define MDIO_WC_REG_TX2_TX_DRIVER 0x8087
613
#define MDIO_WC_REG_TX3_TX_DRIVER 0x8097
614
#define MDIO_WC_REG_RX0_ANARXCONTROL1G 0x80b9
615
#define MDIO_WC_REG_RX2_ANARXCONTROL1G 0x80d9
616
#define MDIO_WC_REG_RX0_PCI_CTRL 0x80ba
617
#define MDIO_WC_REG_RX1_PCI_CTRL 0x80ca
618
#define MDIO_WC_REG_RX2_PCI_CTRL 0x80da
619
#define MDIO_WC_REG_RX3_PCI_CTRL 0x80ea
620
#define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI 0x80fa
621
#define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 0x8104
622
#define MDIO_WC_REG_XGXSBLK2_LANE_RESET 0x810a
623
#define MDIO_WC_REG_XGXS_STATUS3 0x8129
624
#define MDIO_WC_REG_PAR_DET_10G_STATUS 0x8130
625
#define MDIO_WC_REG_PAR_DET_10G_CTRL 0x8131
626
#define MDIO_WC_REG_XGXS_STATUS4 0x813c
627
#define MDIO_WC_REG_XGXS_X2_CONTROL2 0x8141
628
#define MDIO_WC_REG_XGXS_X2_CONTROL3 0x8142
629
#define MDIO_WC_REG_XGXS_RX_LN_SWAP1 0x816B
630
#define MDIO_WC_REG_XGXS_TX_LN_SWAP1 0x8169
631
#define MDIO_WC_REG_GP2_STATUS_GP_2_0 0x81d0
632
#define MDIO_WC_REG_GP2_STATUS_GP_2_1 0x81d1
633
#define MDIO_WC_REG_GP2_STATUS_GP_2_2 0x81d2
634
#define MDIO_WC_REG_GP2_STATUS_GP_2_3 0x81d3
635
#define MDIO_WC_REG_GP2_STATUS_GP_2_4 0x81d4
636
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000
637
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100
638
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010
639
#define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1
640
#define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP 0x81EE
641
#define MDIO_WC_REG_UC_INFO_B1_VERSION 0x81F0
642
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE 0x81F2
643
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE0_OFFSET 0x0
644
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT 0x0
645
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_OPT_LR 0x1
646
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC 0x2
647
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_XLAUI 0x3
648
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_LONG_CH_6G 0x4
649
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE1_OFFSET 0x4
650
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE2_OFFSET 0x8
651
#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE3_OFFSET 0xc
652
#define MDIO_WC_REG_UC_INFO_B1_CRC 0x81FE
653
#define MDIO_WC_REG_DSC1B0_UC_CTRL 0x820e
654
#define MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD (1<<7)
655
#define MDIO_WC_REG_DSC_SMC 0x8213
656
#define MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0 0x821e
657
#define MDIO_WC_REG_TX_FIR_TAP 0x82e2
658
#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET 0x00
659
#define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_MASK 0x000f
660
#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET 0x04
661
#define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_MASK 0x03f0
662
#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET 0x0a
663
#define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_MASK 0x7c00
664
#define MDIO_WC_REG_TX_FIR_TAP_ENABLE 0x8000
665
#define MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP 0x82e2
666
#define MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL 0x82e3
667
#define MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL 0x82e6
668
#define MDIO_WC_REG_CL72_USERB0_CL72_BR_DEF_CTRL 0x82e7
669
#define MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL 0x82e8
670
#define MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL 0x82ec
671
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1 0x8300
672
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2 0x8301
673
#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3 0x8302
674
#define MDIO_WC_REG_SERDESDIGITAL_STATUS1000X1 0x8304
675
#define MDIO_WC_REG_SERDESDIGITAL_MISC1 0x8308
676
#define MDIO_WC_REG_SERDESDIGITAL_MISC2 0x8309
677
#define MDIO_WC_REG_DIGITAL3_UP1 0x8329
678
#define MDIO_WC_REG_DIGITAL3_LP_UP1 0x832c
679
#define MDIO_WC_REG_DIGITAL4_MISC3 0x833c
680
#define MDIO_WC_REG_DIGITAL4_MISC5 0x833e
681
#define MDIO_WC_REG_DIGITAL5_MISC6 0x8345
682
#define MDIO_WC_REG_DIGITAL5_MISC7 0x8349
683
#define MDIO_WC_REG_DIGITAL5_LINK_STATUS 0x834d
684
#define MDIO_WC_REG_DIGITAL5_ACTUAL_SPEED 0x834e
685
#define MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL 0x8350
686
#define MDIO_WC_REG_CL49_USERB0_CTRL 0x8368
687
#define MDIO_WC_REG_CL73_USERB0_CTRL 0x8370
688
#define MDIO_WC_REG_CL73_USERB0_USTAT 0x8371
689
#define MDIO_WC_REG_CL73_BAM_CTRL1 0x8372
690
#define MDIO_WC_REG_CL73_BAM_CTRL2 0x8373
691
#define MDIO_WC_REG_CL73_BAM_CTRL3 0x8374
692
#define MDIO_WC_REG_CL73_BAM_CODE_FIELD 0x837b
693
#define MDIO_WC_REG_EEE_COMBO_CONTROL0 0x8390
694
#define MDIO_WC_REG_TX66_CONTROL 0x83b0
695
#define MDIO_WC_REG_RX66_CONTROL 0x83c0
696
#define MDIO_WC_REG_RX66_SCW0 0x83c2
697
#define MDIO_WC_REG_RX66_SCW1 0x83c3
698
#define MDIO_WC_REG_RX66_SCW2 0x83c4
699
#define MDIO_WC_REG_RX66_SCW3 0x83c5
700
#define MDIO_WC_REG_RX66_SCW0_MASK 0x83c6
701
#define MDIO_WC_REG_RX66_SCW1_MASK 0x83c7
702
#define MDIO_WC_REG_RX66_SCW2_MASK 0x83c8
703
#define MDIO_WC_REG_RX66_SCW3_MASK 0x83c9
704
#define MDIO_WC_REG_FX100_CTRL1 0x8400
705
#define MDIO_WC_REG_FX100_CTRL3 0x8402
706
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL5 0x8436
707
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL6 0x8437
708
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL7 0x8438
709
#define MDIO_WC_REG_CL82_USERB1_TX_CTRL9 0x8439
710
#define MDIO_WC_REG_CL82_USERB1_RX_CTRL10 0x843a
711
#define MDIO_WC_REG_CL82_USERB1_RX_CTRL11 0x843b
712
#define MDIO_WC_REG_ETA_CL73_OUI1 0x8453
713
#define MDIO_WC_REG_ETA_CL73_OUI2 0x8454
714
#define MDIO_WC_REG_ETA_CL73_OUI3 0x8455
715
#define MDIO_WC_REG_ETA_CL73_LD_BAM_CODE 0x8456
716
#define MDIO_WC_REG_ETA_CL73_LD_UD_CODE 0x8457
717
#define MDIO_WC_REG_MICROBLK_CMD 0xffc2
718
#define MDIO_WC_REG_MICROBLK_DL_STATUS 0xffc5
719
#define MDIO_WC_REG_MICROBLK_CMD3 0xffcc
720
721
#define MDIO_WC_REG_AERBLK_AER 0xffde
722
#define MDIO_WC_REG_COMBO_IEEE0_MIICTRL 0xffe0
723
#define MDIO_WC_REG_COMBO_IEEE0_MIIISTAT 0xffe1
724
725
#define MDIO_WC0_XGXS_BLK2_LANE_RESET 0x810A
726
#define MDIO_WC0_XGXS_BLK2_LANE_RESET_RX_BITSHIFT 0
727
#define MDIO_WC0_XGXS_BLK2_LANE_RESET_TX_BITSHIFT 4
728
729
#define MDIO_WC0_XGXS_BLK6_XGXS_X2_CONTROL2 0x8141
730
731
#define DIGITAL5_ACTUAL_SPEED_TX_MASK 0x003f
732
733
/* 54618se */
734
#define MDIO_REG_GPHY_MII_STATUS 0x1
735
#define MDIO_REG_GPHY_PHYID_LSB 0x3
736
#define MDIO_REG_GPHY_CL45_ADDR_REG 0xd
737
#define MDIO_REG_GPHY_CL45_REG_WRITE 0x4000
738
#define MDIO_REG_GPHY_CL45_REG_READ 0xc000
739
#define MDIO_REG_GPHY_CL45_DATA_REG 0xe
740
#define MDIO_REG_GPHY_EEE_RESOLVED 0x803e
741
#define MDIO_REG_GPHY_EXP_ACCESS_GATE 0x15
742
#define MDIO_REG_GPHY_EXP_ACCESS 0x17
743
#define MDIO_REG_GPHY_EXP_ACCESS_TOP 0xd00
744
#define MDIO_REG_GPHY_EXP_TOP_2K_BUF 0x40
745
#define MDIO_REG_GPHY_AUX_STATUS 0x19
746
#define MDIO_REG_INTR_STATUS 0x1a
747
#define MDIO_REG_INTR_MASK 0x1b
748
#define MDIO_REG_INTR_MASK_LINK_STATUS (0x1 << 1)
749
#define MDIO_REG_GPHY_SHADOW 0x1c
750
#define MDIO_REG_GPHY_SHADOW_LED_SEL1 (0x0d << 10)
751
#define MDIO_REG_GPHY_SHADOW_LED_SEL2 (0x0e << 10)
752
#define MDIO_REG_GPHY_SHADOW_WR_ENA (0x1 << 15)
753
#define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED (0x1e << 10)
754
#define MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD (0x1 << 8)
755
756
757
typedef elink_status_t (*read_sfp_module_eeprom_func_p)(struct elink_phy *phy,
758
struct elink_params *params,
759
uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
760
uint8_t *o_buf, uint8_t);
761
/********************************************************/
762
#define ELINK_ETH_HLEN 14
763
/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
764
#define ELINK_ETH_OVREHEAD (ELINK_ETH_HLEN + 8 + 8)
765
#define ELINK_ETH_MIN_PACKET_SIZE 60
766
#define ELINK_ETH_MAX_PACKET_SIZE 1500
767
#define ELINK_ETH_MAX_JUMBO_PACKET_SIZE 9600
768
#define ELINK_MDIO_ACCESS_TIMEOUT 1000
769
#define WC_LANE_MAX 4
770
#define I2C_SWITCH_WIDTH 2
771
#define I2C_BSC0 0
772
#define I2C_BSC1 1
773
#define I2C_WA_RETRY_CNT 3
774
#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
775
#define MCPR_IMC_COMMAND_READ_OP 1
776
#define MCPR_IMC_COMMAND_WRITE_OP 2
777
778
/* LED Blink rate that will achieve ~15.9Hz */
779
#define LED_BLINK_RATE_VAL_E3 354
780
#define LED_BLINK_RATE_VAL_E1X_E2 480
781
/***********************************************************/
782
/* Shortcut definitions */
783
/***********************************************************/
784
785
#define ELINK_NIG_LATCH_BC_ENABLE_MI_INT 0
786
787
#define ELINK_NIG_STATUS_EMAC0_MI_INT \
788
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
789
#define ELINK_NIG_STATUS_XGXS0_LINK10G \
790
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
791
#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS \
792
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
793
#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
794
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
795
#define ELINK_NIG_STATUS_SERDES0_LINK_STATUS \
796
NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
797
#define ELINK_NIG_MASK_MI_INT \
798
NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
799
#define ELINK_NIG_MASK_XGXS0_LINK10G \
800
NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
801
#define ELINK_NIG_MASK_XGXS0_LINK_STATUS \
802
NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
803
#define ELINK_NIG_MASK_SERDES0_LINK_STATUS \
804
NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
805
806
#define ELINK_MDIO_AN_CL73_OR_37_COMPLETE \
807
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
808
MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
809
810
#define ELINK_XGXS_RESET_BITS \
811
(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
812
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
813
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
814
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
815
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
816
817
#define ELINK_SERDES_RESET_BITS \
818
(MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
819
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
820
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
821
MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
822
823
#define ELINK_AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
824
#define ELINK_AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
825
#define ELINK_AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
826
#define ELINK_AUTONEG_PARALLEL \
827
SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
828
#define ELINK_AUTONEG_SGMII_FIBER_AUTODET \
829
SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
830
#define ELINK_AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
831
832
#define ELINK_GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
833
MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
834
#define ELINK_GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
835
MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
836
#define ELINK_GP_STATUS_SPEED_MASK \
837
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
838
#define ELINK_GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
839
#define ELINK_GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
840
#define ELINK_GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
841
#define ELINK_GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
842
#define ELINK_GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
843
#define ELINK_GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
844
#define ELINK_GP_STATUS_10G_HIG \
845
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
846
#define ELINK_GP_STATUS_10G_CX4 \
847
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
848
#define ELINK_GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
849
#define ELINK_GP_STATUS_10G_KX4 \
850
MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
851
#define ELINK_GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
852
#define ELINK_GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
853
#define ELINK_GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
854
#define ELINK_GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
855
#define ELINK_GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
856
#define ELINK_LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
857
#define ELINK_LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
858
#define ELINK_LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
859
#define ELINK_LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
860
#define ELINK_LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
861
#define ELINK_LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
862
#define ELINK_LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
863
#define ELINK_LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
864
#define ELINK_LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
865
#define ELINK_LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
866
#define ELINK_LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
867
#define ELINK_LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
868
#define ELINK_LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
869
#define ELINK_LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
870
#define ELINK_LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
871
872
#define ELINK_LINK_UPDATE_MASK \
873
(LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
874
LINK_STATUS_LINK_UP | \
875
LINK_STATUS_PHYSICAL_LINK_FLAG | \
876
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
877
LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
878
LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
879
LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
880
LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
881
LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
882
883
#define ELINK_SFP_EEPROM_CON_TYPE_ADDR 0x2
884
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
885
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC 0x7
886
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
887
#define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
888
889
890
#define ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
891
#define ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
892
#define ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
893
#define ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
894
895
#define ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
896
#define ELINK_SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
897
#define ELINK_SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
898
#define ELINK_SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
899
#define ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
900
901
#define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR 0x8
902
#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
903
#define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
904
905
#define ELINK_SFP_EEPROM_OPTIONS_ADDR 0x40
906
#define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
907
#define ELINK_SFP_EEPROM_OPTIONS_SIZE 2
908
909
#define ELINK_EDC_MODE_LINEAR 0x0022
910
#define ELINK_EDC_MODE_LIMITING 0x0044
911
#define ELINK_EDC_MODE_PASSIVE_DAC 0x0055
912
#define ELINK_EDC_MODE_ACTIVE_DAC 0x0066
913
914
/* ETS defines*/
915
#define DCBX_INVALID_COS (0xFF)
916
917
#define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
918
#define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
919
#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
920
#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
921
#define ELINK_ETS_E3B0_PBF_MIN_W_VAL (10000)
922
923
#define ELINK_MAX_PACKET_SIZE (9700)
924
#define MAX_KR_LINK_RETRY 4
925
#define DEFAULT_TX_DRV_BRDCT 2
926
#define DEFAULT_TX_DRV_IFIR 0
927
#define DEFAULT_TX_DRV_POST2 3
928
#define DEFAULT_TX_DRV_IPRE_DRIVER 6
929
930
/**********************************************************/
931
/* INTERFACE */
932
/**********************************************************/
933
934
#define CL22_WR_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
935
elink_cl45_write(_sc, _phy, \
936
(_phy)->def_md_devad, \
937
(_bank + (_addr & 0xf)), \
938
_val)
939
940
#define CL22_RD_OVER_CL45(_sc, _phy, _bank, _addr, _val) \
941
elink_cl45_read(_sc, _phy, \
942
(_phy)->def_md_devad, \
943
(_bank + (_addr & 0xf)), \
944
_val)
945
946
static elink_status_t elink_check_half_open_conn(struct elink_params *params,
947
struct elink_vars *vars, uint8_t notify);
948
static elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
949
struct elink_params *params);
950
951
static uint32_t elink_bits_en(struct bxe_softc *sc, uint32_t reg, uint32_t bits)
952
{
953
uint32_t val = REG_RD(sc, reg);
954
955
val |= bits;
956
REG_WR(sc, reg, val);
957
return val;
958
}
959
960
static uint32_t elink_bits_dis(struct bxe_softc *sc, uint32_t reg, uint32_t bits)
961
{
962
uint32_t val = REG_RD(sc, reg);
963
964
val &= ~bits;
965
REG_WR(sc, reg, val);
966
return val;
967
}
968
969
/*
970
* elink_check_lfa - This function checks if link reinitialization is required,
971
* or link flap can be avoided.
972
*
973
* @params: link parameters
974
* Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
975
* condition code.
976
*/
977
static int elink_check_lfa(struct elink_params *params)
978
{
979
uint32_t link_status, cfg_idx, lfa_mask, cfg_size;
980
uint32_t cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
981
uint32_t saved_val, req_val, eee_status;
982
struct bxe_softc *sc = params->sc;
983
984
additional_config =
985
REG_RD(sc, params->lfa_base +
986
offsetof(struct shmem_lfa, additional_config));
987
988
/* NOTE: must be first condition checked -
989
* to verify DCC bit is cleared in any case!
990
*/
991
if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
992
ELINK_DEBUG_P0(sc, "No LFA due to DCC flap after clp exit\n");
993
REG_WR(sc, params->lfa_base +
994
offsetof(struct shmem_lfa, additional_config),
995
additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
996
return LFA_DCC_LFA_DISABLED;
997
}
998
999
/* Verify that link is up */
1000
link_status = REG_RD(sc, params->shmem_base +
1001
offsetof(struct shmem_region,
1002
port_mb[params->port].link_status));
1003
if (!(link_status & LINK_STATUS_LINK_UP))
1004
return LFA_LINK_DOWN;
1005
1006
/* if loaded after BOOT from SAN, don't flap the link in any case and
1007
* rely on link set by preboot driver
1008
*/
1009
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN)
1010
return 0;
1011
1012
/* Verify that loopback mode is not set */
1013
if (params->loopback_mode)
1014
return LFA_LOOPBACK_ENABLED;
1015
1016
/* Verify that MFW supports LFA */
1017
if (!params->lfa_base)
1018
return LFA_MFW_IS_TOO_OLD;
1019
1020
if (params->num_phys == 3) {
1021
cfg_size = 2;
1022
lfa_mask = 0xffffffff;
1023
} else {
1024
cfg_size = 1;
1025
lfa_mask = 0xffff;
1026
}
1027
1028
/* Compare Duplex */
1029
saved_val = REG_RD(sc, params->lfa_base +
1030
offsetof(struct shmem_lfa, req_duplex));
1031
req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
1032
if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1033
ELINK_DEBUG_P2(sc, "Duplex mismatch %x vs. %x\n",
1034
(saved_val & lfa_mask), (req_val & lfa_mask));
1035
return LFA_DUPLEX_MISMATCH;
1036
}
1037
/* Compare Flow Control */
1038
saved_val = REG_RD(sc, params->lfa_base +
1039
offsetof(struct shmem_lfa, req_flow_ctrl));
1040
req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
1041
if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1042
ELINK_DEBUG_P2(sc, "Flow control mismatch %x vs. %x\n",
1043
(saved_val & lfa_mask), (req_val & lfa_mask));
1044
return LFA_FLOW_CTRL_MISMATCH;
1045
}
1046
/* Compare Link Speed */
1047
saved_val = REG_RD(sc, params->lfa_base +
1048
offsetof(struct shmem_lfa, req_line_speed));
1049
req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
1050
if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
1051
ELINK_DEBUG_P2(sc, "Link speed mismatch %x vs. %x\n",
1052
(saved_val & lfa_mask), (req_val & lfa_mask));
1053
return LFA_LINK_SPEED_MISMATCH;
1054
}
1055
1056
for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
1057
cur_speed_cap_mask = REG_RD(sc, params->lfa_base +
1058
offsetof(struct shmem_lfa,
1059
speed_cap_mask[cfg_idx]));
1060
1061
if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
1062
ELINK_DEBUG_P2(sc, "Speed Cap mismatch %x vs. %x\n",
1063
cur_speed_cap_mask,
1064
params->speed_cap_mask[cfg_idx]);
1065
return LFA_SPEED_CAP_MISMATCH;
1066
}
1067
}
1068
1069
cur_req_fc_auto_adv =
1070
REG_RD(sc, params->lfa_base +
1071
offsetof(struct shmem_lfa, additional_config)) &
1072
REQ_FC_AUTO_ADV_MASK;
1073
1074
if ((uint16_t)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
1075
ELINK_DEBUG_P2(sc, "Flow Ctrl AN mismatch %x vs. %x\n",
1076
cur_req_fc_auto_adv, params->req_fc_auto_adv);
1077
return LFA_FLOW_CTRL_MISMATCH;
1078
}
1079
1080
eee_status = REG_RD(sc, params->shmem2_base +
1081
offsetof(struct shmem2_region,
1082
eee_status[params->port]));
1083
1084
if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
1085
(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) ||
1086
((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
1087
(params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) {
1088
ELINK_DEBUG_P2(sc, "EEE mismatch %x vs. %x\n", params->eee_mode,
1089
eee_status);
1090
return LFA_EEE_MISMATCH;
1091
}
1092
1093
/* LFA conditions are met */
1094
return 0;
1095
}
1096
/******************************************************************/
1097
/* EPIO/GPIO section */
1098
/******************************************************************/
1099
static void elink_get_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t *en)
1100
{
1101
uint32_t epio_mask, gp_oenable;
1102
*en = 0;
1103
/* Sanity check */
1104
if (epio_pin > 31) {
1105
ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to get\n", epio_pin);
1106
return;
1107
}
1108
1109
epio_mask = 1 << epio_pin;
1110
/* Set this EPIO to output */
1111
gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
1112
REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
1113
1114
*en = (REG_RD(sc, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
1115
}
1116
static void elink_set_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t en)
1117
{
1118
uint32_t epio_mask, gp_output, gp_oenable;
1119
1120
/* Sanity check */
1121
if (epio_pin > 31) {
1122
ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to set\n", epio_pin);
1123
return;
1124
}
1125
ELINK_DEBUG_P2(sc, "Setting EPIO pin %d to %d\n", epio_pin, en);
1126
epio_mask = 1 << epio_pin;
1127
/* Set this EPIO to output */
1128
gp_output = REG_RD(sc, MCP_REG_MCPR_GP_OUTPUTS);
1129
if (en)
1130
gp_output |= epio_mask;
1131
else
1132
gp_output &= ~epio_mask;
1133
1134
REG_WR(sc, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
1135
1136
/* Set the value for this EPIO */
1137
gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE);
1138
REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
1139
}
1140
1141
static void elink_set_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t val)
1142
{
1143
if (pin_cfg == PIN_CFG_NA)
1144
return;
1145
if (pin_cfg >= PIN_CFG_EPIO0) {
1146
elink_set_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
1147
} else {
1148
uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
1149
uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
1150
elink_cb_gpio_write(sc, gpio_num, (uint8_t)val, gpio_port);
1151
}
1152
}
1153
1154
static uint32_t elink_get_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t *val)
1155
{
1156
if (pin_cfg == PIN_CFG_NA)
1157
return ELINK_STATUS_ERROR;
1158
if (pin_cfg >= PIN_CFG_EPIO0) {
1159
elink_get_epio(sc, pin_cfg - PIN_CFG_EPIO0, val);
1160
} else {
1161
uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
1162
uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
1163
*val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
1164
}
1165
return ELINK_STATUS_OK;
1166
1167
}
1168
/******************************************************************/
1169
/* ETS section */
1170
/******************************************************************/
1171
static void elink_ets_e2e3a0_disabled(struct elink_params *params)
1172
{
1173
/* ETS disabled configuration*/
1174
struct bxe_softc *sc = params->sc;
1175
1176
ELINK_DEBUG_P0(sc, "ETS E2E3 disabled configuration\n");
1177
1178
/* mapping between entry priority to client number (0,1,2 -debug and
1179
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
1180
* 3bits client num.
1181
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1182
* cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
1183
*/
1184
1185
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
1186
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1187
* as strict. Bits 0,1,2 - debug and management entries, 3 -
1188
* COS0 entry, 4 - COS1 entry.
1189
* COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
1190
* bit4 bit3 bit2 bit1 bit0
1191
* MCP and debug are strict
1192
*/
1193
1194
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
1195
/* defines which entries (clients) are subjected to WFQ arbitration */
1196
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
1197
/* For strict priority entries defines the number of consecutive
1198
* slots for the highest priority.
1199
*/
1200
REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1201
/* mapping between the CREDIT_WEIGHT registers and actual client
1202
* numbers
1203
*/
1204
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
1205
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
1206
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
1207
1208
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
1209
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
1210
REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
1211
/* ETS mode disable */
1212
REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
1213
/* If ETS mode is enabled (there is no strict priority) defines a WFQ
1214
* weight for COS0/COS1.
1215
*/
1216
REG_WR(sc, PBF_REG_COS0_WEIGHT, 0x2710);
1217
REG_WR(sc, PBF_REG_COS1_WEIGHT, 0x2710);
1218
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
1219
REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 0x989680);
1220
REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 0x989680);
1221
/* Defines the number of consecutive slots for the strict priority */
1222
REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1223
}
1224
/******************************************************************************
1225
* Description:
1226
* Getting min_w_val will be set according to line speed .
1227
*.
1228
******************************************************************************/
1229
static uint32_t elink_ets_get_min_w_val_nig(const struct elink_vars *vars)
1230
{
1231
uint32_t min_w_val = 0;
1232
/* Calculate min_w_val.*/
1233
if (vars->link_up) {
1234
if (vars->line_speed == ELINK_SPEED_20000)
1235
min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
1236
else
1237
min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
1238
} else
1239
min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
1240
/* If the link isn't up (static configuration for example ) The
1241
* link will be according to 20GBPS.
1242
*/
1243
return min_w_val;
1244
}
1245
/******************************************************************************
1246
* Description:
1247
* Getting credit upper bound form min_w_val.
1248
*.
1249
******************************************************************************/
1250
static uint32_t elink_ets_get_credit_upper_bound(const uint32_t min_w_val)
1251
{
1252
const uint32_t credit_upper_bound = (uint32_t)ELINK_MAXVAL((150 * min_w_val),
1253
ELINK_MAX_PACKET_SIZE);
1254
return credit_upper_bound;
1255
}
1256
/******************************************************************************
1257
* Description:
1258
* Set credit upper bound for NIG.
1259
*.
1260
******************************************************************************/
1261
static void elink_ets_e3b0_set_credit_upper_bound_nig(
1262
const struct elink_params *params,
1263
const uint32_t min_w_val)
1264
{
1265
struct bxe_softc *sc = params->sc;
1266
const uint8_t port = params->port;
1267
const uint32_t credit_upper_bound =
1268
elink_ets_get_credit_upper_bound(min_w_val);
1269
1270
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
1271
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
1272
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
1273
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
1274
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
1275
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
1276
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
1277
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
1278
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
1279
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
1280
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
1281
NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
1282
1283
if (!port) {
1284
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
1285
credit_upper_bound);
1286
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
1287
credit_upper_bound);
1288
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
1289
credit_upper_bound);
1290
}
1291
}
1292
/******************************************************************************
1293
* Description:
1294
* Will return the NIG ETS registers to init values.Except
1295
* credit_upper_bound.
1296
* That isn't used in this configuration (No WFQ is enabled) and will be
1297
* configured according to spec.
1298
*.
1299
******************************************************************************/
1300
static void elink_ets_e3b0_nig_disabled(const struct elink_params *params,
1301
const struct elink_vars *vars)
1302
{
1303
struct bxe_softc *sc = params->sc;
1304
const uint8_t port = params->port;
1305
const uint32_t min_w_val = elink_ets_get_min_w_val_nig(vars);
1306
/* Mapping between entry priority to client number (0,1,2 -debug and
1307
* management clients, 3 - COS0 client, 4 - COS1, ... 8 -
1308
* COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
1309
* reset value or init tool
1310
*/
1311
if (port) {
1312
REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
1313
REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
1314
} else {
1315
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
1316
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
1317
}
1318
/* For strict priority entries defines the number of consecutive
1319
* slots for the highest priority.
1320
*/
1321
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
1322
NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
1323
/* Mapping between the CREDIT_WEIGHT registers and actual client
1324
* numbers
1325
*/
1326
if (port) {
1327
/*Port 1 has 6 COS*/
1328
REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
1329
REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
1330
} else {
1331
/*Port 0 has 9 COS*/
1332
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
1333
0x43210876);
1334
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
1335
}
1336
1337
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1338
* as strict. Bits 0,1,2 - debug and management entries, 3 -
1339
* COS0 entry, 4 - COS1 entry.
1340
* COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
1341
* bit4 bit3 bit2 bit1 bit0
1342
* MCP and debug are strict
1343
*/
1344
if (port)
1345
REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
1346
else
1347
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
1348
/* defines which entries (clients) are subjected to WFQ arbitration */
1349
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
1350
NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
1351
1352
/* Please notice the register address are note continuous and a
1353
* for here is note appropriate.In 2 port mode port0 only COS0-5
1354
* can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
1355
* port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
1356
* are never used for WFQ
1357
*/
1358
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
1359
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
1360
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
1361
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
1362
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
1363
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
1364
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
1365
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
1366
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
1367
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
1368
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
1369
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
1370
if (!port) {
1371
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
1372
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
1373
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
1374
}
1375
1376
elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
1377
}
1378
/******************************************************************************
1379
* Description:
1380
* Set credit upper bound for PBF.
1381
*.
1382
******************************************************************************/
1383
static void elink_ets_e3b0_set_credit_upper_bound_pbf(
1384
const struct elink_params *params,
1385
const uint32_t min_w_val)
1386
{
1387
struct bxe_softc *sc = params->sc;
1388
const uint32_t credit_upper_bound =
1389
elink_ets_get_credit_upper_bound(min_w_val);
1390
const uint8_t port = params->port;
1391
uint32_t base_upper_bound = 0;
1392
uint8_t max_cos = 0;
1393
uint8_t i = 0;
1394
/* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
1395
* port mode port1 has COS0-2 that can be used for WFQ.
1396
*/
1397
if (!port) {
1398
base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
1399
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1400
} else {
1401
base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
1402
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
1403
}
1404
1405
for (i = 0; i < max_cos; i++)
1406
REG_WR(sc, base_upper_bound + (i << 2), credit_upper_bound);
1407
}
1408
1409
/******************************************************************************
1410
* Description:
1411
* Will return the PBF ETS registers to init values.Except
1412
* credit_upper_bound.
1413
* That isn't used in this configuration (No WFQ is enabled) and will be
1414
* configured according to spec.
1415
*.
1416
******************************************************************************/
1417
static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params)
1418
{
1419
struct bxe_softc *sc = params->sc;
1420
const uint8_t port = params->port;
1421
const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1422
uint8_t i = 0;
1423
uint32_t base_weight = 0;
1424
uint8_t max_cos = 0;
1425
1426
/* Mapping between entry priority to client number 0 - COS0
1427
* client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
1428
* TODO_ETS - Should be done by reset value or init tool
1429
*/
1430
if (port)
1431
/* 0x688 (|011|0 10|00 1|000) */
1432
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
1433
else
1434
/* (10 1|100 |011|0 10|00 1|000) */
1435
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
1436
1437
/* TODO_ETS - Should be done by reset value or init tool */
1438
if (port)
1439
/* 0x688 (|011|0 10|00 1|000)*/
1440
REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
1441
else
1442
/* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
1443
REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
1444
1445
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
1446
PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
1447
1448
1449
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
1450
PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
1451
1452
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
1453
PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
1454
/* In 2 port mode port0 has COS0-5 that can be used for WFQ.
1455
* In 4 port mode port1 has COS0-2 that can be used for WFQ.
1456
*/
1457
if (!port) {
1458
base_weight = PBF_REG_COS0_WEIGHT_P0;
1459
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1460
} else {
1461
base_weight = PBF_REG_COS0_WEIGHT_P1;
1462
max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1;
1463
}
1464
1465
for (i = 0; i < max_cos; i++)
1466
REG_WR(sc, base_weight + (0x4 * i), 0);
1467
1468
elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1469
}
1470
/******************************************************************************
1471
* Description:
1472
* E3B0 disable will return basically the values to init values.
1473
*.
1474
******************************************************************************/
1475
static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params,
1476
const struct elink_vars *vars)
1477
{
1478
struct bxe_softc *sc = params->sc;
1479
1480
if (!CHIP_IS_E3B0(sc)) {
1481
ELINK_DEBUG_P0(sc,
1482
"elink_ets_e3b0_disabled the chip isn't E3B0\n");
1483
return ELINK_STATUS_ERROR;
1484
}
1485
1486
elink_ets_e3b0_nig_disabled(params, vars);
1487
1488
elink_ets_e3b0_pbf_disabled(params);
1489
1490
return ELINK_STATUS_OK;
1491
}
1492
1493
/******************************************************************************
1494
* Description:
1495
* Disable will return basically the values to init values.
1496
*
1497
******************************************************************************/
1498
elink_status_t elink_ets_disabled(struct elink_params *params,
1499
struct elink_vars *vars)
1500
{
1501
struct bxe_softc *sc = params->sc;
1502
elink_status_t elink_status = ELINK_STATUS_OK;
1503
1504
if ((CHIP_IS_E2(sc)) || (CHIP_IS_E3A0(sc)))
1505
elink_ets_e2e3a0_disabled(params);
1506
else if (CHIP_IS_E3B0(sc))
1507
elink_status = elink_ets_e3b0_disabled(params, vars);
1508
else {
1509
ELINK_DEBUG_P0(sc, "elink_ets_disabled - chip not supported\n");
1510
return ELINK_STATUS_ERROR;
1511
}
1512
1513
return elink_status;
1514
}
1515
1516
/******************************************************************************
1517
* Description
1518
* Set the COS mappimg to SP and BW until this point all the COS are not
1519
* set as SP or BW.
1520
******************************************************************************/
1521
static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params,
1522
const struct elink_ets_params *ets_params,
1523
const uint8_t cos_sp_bitmap,
1524
const uint8_t cos_bw_bitmap)
1525
{
1526
struct bxe_softc *sc = params->sc;
1527
const uint8_t port = params->port;
1528
const uint8_t nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
1529
const uint8_t pbf_cli_sp_bitmap = cos_sp_bitmap;
1530
const uint8_t nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
1531
const uint8_t pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
1532
1533
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
1534
NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
1535
1536
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
1537
PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
1538
1539
REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
1540
NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
1541
nig_cli_subject2wfq_bitmap);
1542
1543
REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
1544
PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
1545
pbf_cli_subject2wfq_bitmap);
1546
1547
return ELINK_STATUS_OK;
1548
}
1549
1550
/******************************************************************************
1551
* Description:
1552
* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
1553
* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
1554
******************************************************************************/
1555
static elink_status_t elink_ets_e3b0_set_cos_bw(struct bxe_softc *sc,
1556
const uint8_t cos_entry,
1557
const uint32_t min_w_val_nig,
1558
const uint32_t min_w_val_pbf,
1559
const uint16_t total_bw,
1560
const uint8_t bw,
1561
const uint8_t port)
1562
{
1563
uint32_t nig_reg_adress_crd_weight = 0;
1564
uint32_t pbf_reg_adress_crd_weight = 0;
1565
/* Calculate and set BW for this COS - use 1 instead of 0 for BW */
1566
const uint32_t cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
1567
const uint32_t cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
1568
1569
switch (cos_entry) {
1570
case 0:
1571
nig_reg_adress_crd_weight =
1572
(port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
1573
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
1574
pbf_reg_adress_crd_weight = (port) ?
1575
PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
1576
break;
1577
case 1:
1578
nig_reg_adress_crd_weight = (port) ?
1579
NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
1580
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
1581
pbf_reg_adress_crd_weight = (port) ?
1582
PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
1583
break;
1584
case 2:
1585
nig_reg_adress_crd_weight = (port) ?
1586
NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
1587
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
1588
1589
pbf_reg_adress_crd_weight = (port) ?
1590
PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
1591
break;
1592
case 3:
1593
if (port)
1594
return ELINK_STATUS_ERROR;
1595
nig_reg_adress_crd_weight =
1596
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
1597
pbf_reg_adress_crd_weight =
1598
PBF_REG_COS3_WEIGHT_P0;
1599
break;
1600
case 4:
1601
if (port)
1602
return ELINK_STATUS_ERROR;
1603
nig_reg_adress_crd_weight =
1604
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
1605
pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
1606
break;
1607
case 5:
1608
if (port)
1609
return ELINK_STATUS_ERROR;
1610
nig_reg_adress_crd_weight =
1611
NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
1612
pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
1613
break;
1614
}
1615
1616
REG_WR(sc, nig_reg_adress_crd_weight, cos_bw_nig);
1617
1618
REG_WR(sc, pbf_reg_adress_crd_weight, cos_bw_pbf);
1619
1620
return ELINK_STATUS_OK;
1621
}
1622
/******************************************************************************
1623
* Description:
1624
* Calculate the total BW.A value of 0 isn't legal.
1625
*
1626
******************************************************************************/
1627
static elink_status_t elink_ets_e3b0_get_total_bw(
1628
const struct elink_params *params,
1629
struct elink_ets_params *ets_params,
1630
uint16_t *total_bw)
1631
{
1632
struct bxe_softc *sc = params->sc;
1633
uint8_t cos_idx = 0;
1634
uint8_t is_bw_cos_exist = 0;
1635
1636
*total_bw = 0 ;
1637
/* Calculate total BW requested */
1638
for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
1639
if (ets_params->cos[cos_idx].state == elink_cos_state_bw) {
1640
is_bw_cos_exist = 1;
1641
if (!ets_params->cos[cos_idx].params.bw_params.bw) {
1642
ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config BW"
1643
"was set to 0\n");
1644
/* This is to prevent a state when ramrods
1645
* can't be sent
1646
*/
1647
ets_params->cos[cos_idx].params.bw_params.bw
1648
= 1;
1649
}
1650
*total_bw +=
1651
ets_params->cos[cos_idx].params.bw_params.bw;
1652
}
1653
}
1654
1655
/* Check total BW is valid */
1656
if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
1657
if (*total_bw == 0) {
1658
ELINK_DEBUG_P0(sc,
1659
"elink_ets_E3B0_config total BW shouldn't be 0\n");
1660
return ELINK_STATUS_ERROR;
1661
}
1662
ELINK_DEBUG_P0(sc,
1663
"elink_ets_E3B0_config total BW should be 100\n");
1664
/* We can handle a case whre the BW isn't 100 this can happen
1665
* if the TC are joined.
1666
*/
1667
}
1668
return ELINK_STATUS_OK;
1669
}
1670
1671
/******************************************************************************
1672
* Description:
1673
* Invalidate all the sp_pri_to_cos.
1674
*
1675
******************************************************************************/
1676
static void elink_ets_e3b0_sp_pri_to_cos_init(uint8_t *sp_pri_to_cos)
1677
{
1678
uint8_t pri = 0;
1679
for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++)
1680
sp_pri_to_cos[pri] = DCBX_INVALID_COS;
1681
}
1682
/******************************************************************************
1683
* Description:
1684
* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1685
* according to sp_pri_to_cos.
1686
*
1687
******************************************************************************/
1688
static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(const struct elink_params *params,
1689
uint8_t *sp_pri_to_cos, const uint8_t pri,
1690
const uint8_t cos_entry)
1691
{
1692
struct bxe_softc *sc = params->sc;
1693
const uint8_t port = params->port;
1694
const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1695
ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1696
1697
if (pri >= max_num_of_cos) {
1698
ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1699
"parameter Illegal strict priority\n");
1700
return ELINK_STATUS_ERROR;
1701
}
1702
1703
if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
1704
ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid "
1705
"parameter There can't be two COS's with "
1706
"the same strict pri\n");
1707
return ELINK_STATUS_ERROR;
1708
}
1709
1710
sp_pri_to_cos[pri] = cos_entry;
1711
return ELINK_STATUS_OK;
1712
1713
}
1714
1715
/******************************************************************************
1716
* Description:
1717
* Returns the correct value according to COS and priority in
1718
* the sp_pri_cli register.
1719
*
1720
******************************************************************************/
1721
static uint64_t elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos, const uint8_t cos_offset,
1722
const uint8_t pri_set,
1723
const uint8_t pri_offset,
1724
const uint8_t entry_size)
1725
{
1726
uint64_t pri_cli_nig = 0;
1727
pri_cli_nig = ((uint64_t)(cos + cos_offset)) << (entry_size *
1728
(pri_set + pri_offset));
1729
1730
return pri_cli_nig;
1731
}
1732
/******************************************************************************
1733
* Description:
1734
* Returns the correct value according to COS and priority in the
1735
* sp_pri_cli register for NIG.
1736
*
1737
******************************************************************************/
1738
static uint64_t elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos, const uint8_t pri_set)
1739
{
1740
/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1741
const uint8_t nig_cos_offset = 3;
1742
const uint8_t nig_pri_offset = 3;
1743
1744
return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
1745
nig_pri_offset, 4);
1746
1747
}
1748
/******************************************************************************
1749
* Description:
1750
* Returns the correct value according to COS and priority in the
1751
* sp_pri_cli register for PBF.
1752
*
1753
******************************************************************************/
1754
static uint64_t elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos, const uint8_t pri_set)
1755
{
1756
const uint8_t pbf_cos_offset = 0;
1757
const uint8_t pbf_pri_offset = 0;
1758
1759
return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
1760
pbf_pri_offset, 3);
1761
1762
}
1763
1764
/******************************************************************************
1765
* Description:
1766
* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
1767
* according to sp_pri_to_cos.(which COS has higher priority)
1768
*
1769
******************************************************************************/
1770
static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(const struct elink_params *params,
1771
uint8_t *sp_pri_to_cos)
1772
{
1773
struct bxe_softc *sc = params->sc;
1774
uint8_t i = 0;
1775
const uint8_t port = params->port;
1776
/* MCP Dbg0 and dbg1 are always with higher strict pri*/
1777
uint64_t pri_cli_nig = 0x210;
1778
uint32_t pri_cli_pbf = 0x0;
1779
uint8_t pri_set = 0;
1780
uint8_t pri_bitmask = 0;
1781
const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1782
ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1783
1784
uint8_t cos_bit_to_set = (1 << max_num_of_cos) - 1;
1785
1786
/* Set all the strict priority first */
1787
for (i = 0; i < max_num_of_cos; i++) {
1788
if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
1789
if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) {
1790
ELINK_DEBUG_P0(sc,
1791
"elink_ets_e3b0_sp_set_pri_cli_reg "
1792
"invalid cos entry\n");
1793
return ELINK_STATUS_ERROR;
1794
}
1795
1796
pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1797
sp_pri_to_cos[i], pri_set);
1798
1799
pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1800
sp_pri_to_cos[i], pri_set);
1801
pri_bitmask = 1 << sp_pri_to_cos[i];
1802
/* COS is used remove it from bitmap.*/
1803
if (!(pri_bitmask & cos_bit_to_set)) {
1804
ELINK_DEBUG_P0(sc,
1805
"elink_ets_e3b0_sp_set_pri_cli_reg "
1806
"invalid There can't be two COS's with"
1807
" the same strict pri\n");
1808
return ELINK_STATUS_ERROR;
1809
}
1810
cos_bit_to_set &= ~pri_bitmask;
1811
pri_set++;
1812
}
1813
}
1814
1815
/* Set all the Non strict priority i= COS*/
1816
for (i = 0; i < max_num_of_cos; i++) {
1817
pri_bitmask = 1 << i;
1818
/* Check if COS was already used for SP */
1819
if (pri_bitmask & cos_bit_to_set) {
1820
/* COS wasn't used for SP */
1821
pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig(
1822
i, pri_set);
1823
1824
pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf(
1825
i, pri_set);
1826
/* COS is used remove it from bitmap.*/
1827
cos_bit_to_set &= ~pri_bitmask;
1828
pri_set++;
1829
}
1830
}
1831
1832
if (pri_set != max_num_of_cos) {
1833
ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_set_pri_cli_reg not all "
1834
"entries were set\n");
1835
return ELINK_STATUS_ERROR;
1836
}
1837
1838
if (port) {
1839
/* Only 6 usable clients*/
1840
REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
1841
(uint32_t)pri_cli_nig);
1842
1843
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
1844
} else {
1845
/* Only 9 usable clients*/
1846
const uint32_t pri_cli_nig_lsb = (uint32_t) (pri_cli_nig);
1847
const uint32_t pri_cli_nig_msb = (uint32_t) ((pri_cli_nig >> 32) & 0xF);
1848
1849
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
1850
pri_cli_nig_lsb);
1851
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
1852
pri_cli_nig_msb);
1853
1854
REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
1855
}
1856
return ELINK_STATUS_OK;
1857
}
1858
1859
/******************************************************************************
1860
* Description:
1861
* Configure the COS to ETS according to BW and SP settings.
1862
******************************************************************************/
1863
elink_status_t elink_ets_e3b0_config(const struct elink_params *params,
1864
const struct elink_vars *vars,
1865
struct elink_ets_params *ets_params)
1866
{
1867
struct bxe_softc *sc = params->sc;
1868
elink_status_t elink_status = ELINK_STATUS_OK;
1869
const uint8_t port = params->port;
1870
uint16_t total_bw = 0;
1871
const uint32_t min_w_val_nig = elink_ets_get_min_w_val_nig(vars);
1872
const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL;
1873
uint8_t cos_bw_bitmap = 0;
1874
uint8_t cos_sp_bitmap = 0;
1875
uint8_t sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0};
1876
const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 :
1877
ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0;
1878
uint8_t cos_entry = 0;
1879
1880
if (!CHIP_IS_E3B0(sc)) {
1881
ELINK_DEBUG_P0(sc,
1882
"elink_ets_e3b0_disabled the chip isn't E3B0\n");
1883
return ELINK_STATUS_ERROR;
1884
}
1885
1886
if ((ets_params->num_of_cos > max_num_of_cos)) {
1887
ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config the number of COS "
1888
"isn't supported\n");
1889
return ELINK_STATUS_ERROR;
1890
}
1891
1892
/* Prepare sp strict priority parameters*/
1893
elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
1894
1895
/* Prepare BW parameters*/
1896
elink_status = elink_ets_e3b0_get_total_bw(params, ets_params,
1897
&total_bw);
1898
if (elink_status != ELINK_STATUS_OK) {
1899
ELINK_DEBUG_P0(sc,
1900
"elink_ets_E3B0_config get_total_bw failed\n");
1901
return ELINK_STATUS_ERROR;
1902
}
1903
1904
/* Upper bound is set according to current link speed (min_w_val
1905
* should be the same for upper bound and COS credit val).
1906
*/
1907
elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
1908
elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
1909
1910
1911
for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
1912
if (elink_cos_state_bw == ets_params->cos[cos_entry].state) {
1913
cos_bw_bitmap |= (1 << cos_entry);
1914
/* The function also sets the BW in HW(not the mappin
1915
* yet)
1916
*/
1917
elink_status = elink_ets_e3b0_set_cos_bw(
1918
sc, cos_entry, min_w_val_nig, min_w_val_pbf,
1919
total_bw,
1920
ets_params->cos[cos_entry].params.bw_params.bw,
1921
port);
1922
} else if (elink_cos_state_strict ==
1923
ets_params->cos[cos_entry].state){
1924
cos_sp_bitmap |= (1 << cos_entry);
1925
1926
elink_status = elink_ets_e3b0_sp_pri_to_cos_set(
1927
params,
1928
sp_pri_to_cos,
1929
ets_params->cos[cos_entry].params.sp_params.pri,
1930
cos_entry);
1931
1932
} else {
1933
ELINK_DEBUG_P0(sc,
1934
"elink_ets_e3b0_config cos state not valid\n");
1935
return ELINK_STATUS_ERROR;
1936
}
1937
if (elink_status != ELINK_STATUS_OK) {
1938
ELINK_DEBUG_P0(sc,
1939
"elink_ets_e3b0_config set cos bw failed\n");
1940
return elink_status;
1941
}
1942
}
1943
1944
/* Set SP register (which COS has higher priority) */
1945
elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params,
1946
sp_pri_to_cos);
1947
1948
if (elink_status != ELINK_STATUS_OK) {
1949
ELINK_DEBUG_P0(sc,
1950
"elink_ets_E3B0_config set_pri_cli_reg failed\n");
1951
return elink_status;
1952
}
1953
1954
/* Set client mapping of BW and strict */
1955
elink_status = elink_ets_e3b0_cli_map(params, ets_params,
1956
cos_sp_bitmap,
1957
cos_bw_bitmap);
1958
1959
if (elink_status != ELINK_STATUS_OK) {
1960
ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config SP failed\n");
1961
return elink_status;
1962
}
1963
return ELINK_STATUS_OK;
1964
}
1965
static void elink_ets_bw_limit_common(const struct elink_params *params)
1966
{
1967
/* ETS disabled configuration */
1968
struct bxe_softc *sc = params->sc;
1969
ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n");
1970
/* Defines which entries (clients) are subjected to WFQ arbitration
1971
* COS0 0x8
1972
* COS1 0x10
1973
*/
1974
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
1975
/* Mapping between the ARB_CREDIT_WEIGHT registers and actual
1976
* client numbers (WEIGHT_0 does not actually have to represent
1977
* client 0)
1978
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
1979
* cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
1980
*/
1981
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
1982
1983
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
1984
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1985
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
1986
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
1987
1988
/* ETS mode enabled*/
1989
REG_WR(sc, PBF_REG_ETS_ENABLED, 1);
1990
1991
/* Defines the number of consecutive slots for the strict priority */
1992
REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
1993
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
1994
* as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
1995
* entry, 4 - COS1 entry.
1996
* COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
1997
* bit4 bit3 bit2 bit1 bit0
1998
* MCP and debug are strict
1999
*/
2000
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
2001
2002
/* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
2003
REG_WR(sc, PBF_REG_COS0_UPPER_BOUND,
2004
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
2005
REG_WR(sc, PBF_REG_COS1_UPPER_BOUND,
2006
ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
2007
}
2008
2009
void elink_ets_bw_limit(const struct elink_params *params, const uint32_t cos0_bw,
2010
const uint32_t cos1_bw)
2011
{
2012
/* ETS disabled configuration*/
2013
struct bxe_softc *sc = params->sc;
2014
const uint32_t total_bw = cos0_bw + cos1_bw;
2015
uint32_t cos0_credit_weight = 0;
2016
uint32_t cos1_credit_weight = 0;
2017
2018
ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n");
2019
2020
if ((!total_bw) ||
2021
(!cos0_bw) ||
2022
(!cos1_bw)) {
2023
ELINK_DEBUG_P0(sc, "Total BW can't be zero\n");
2024
return;
2025
}
2026
2027
cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
2028
total_bw;
2029
cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/
2030
total_bw;
2031
2032
elink_ets_bw_limit_common(params);
2033
2034
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
2035
REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
2036
2037
REG_WR(sc, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
2038
REG_WR(sc, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
2039
}
2040
2041
elink_status_t elink_ets_strict(const struct elink_params *params, const uint8_t strict_cos)
2042
{
2043
/* ETS disabled configuration*/
2044
struct bxe_softc *sc = params->sc;
2045
uint32_t val = 0;
2046
2047
ELINK_DEBUG_P0(sc, "ETS enabled strict configuration\n");
2048
/* Bitmap of 5bits length. Each bit specifies whether the entry behaves
2049
* as strict. Bits 0,1,2 - debug and management entries,
2050
* 3 - COS0 entry, 4 - COS1 entry.
2051
* COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
2052
* bit4 bit3 bit2 bit1 bit0
2053
* MCP and debug are strict
2054
*/
2055
REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
2056
/* For strict priority entries defines the number of consecutive slots
2057
* for the highest priority.
2058
*/
2059
REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
2060
/* ETS mode disable */
2061
REG_WR(sc, PBF_REG_ETS_ENABLED, 0);
2062
/* Defines the number of consecutive slots for the strict priority */
2063
REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
2064
2065
/* Defines the number of consecutive slots for the strict priority */
2066
REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
2067
2068
/* Mapping between entry priority to client number (0,1,2 -debug and
2069
* management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
2070
* 3bits client num.
2071
* PRI4 | PRI3 | PRI2 | PRI1 | PRI0
2072
* dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
2073
* dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
2074
*/
2075
val = (!strict_cos) ? 0x2318 : 0x22E0;
2076
REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
2077
2078
return ELINK_STATUS_OK;
2079
}
2080
2081
/******************************************************************/
2082
/* PFC section */
2083
/******************************************************************/
2084
static void elink_update_pfc_xmac(struct elink_params *params,
2085
struct elink_vars *vars,
2086
uint8_t is_lb)
2087
{
2088
struct bxe_softc *sc = params->sc;
2089
uint32_t xmac_base;
2090
uint32_t pause_val, pfc0_val, pfc1_val;
2091
2092
/* XMAC base adrr */
2093
xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2094
2095
/* Initialize pause and pfc registers */
2096
pause_val = 0x18000;
2097
pfc0_val = 0xFFFF8000;
2098
pfc1_val = 0x2;
2099
2100
/* No PFC support */
2101
if (!(params->feature_config_flags &
2102
ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2103
2104
/* RX flow control - Process pause frame in receive direction
2105
*/
2106
if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2107
pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
2108
2109
/* TX flow control - Send pause packet when buffer is full */
2110
if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2111
pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
2112
} else {/* PFC support */
2113
pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
2114
XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
2115
XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
2116
XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
2117
XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
2118
/* Write pause and PFC registers */
2119
REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
2120
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
2121
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
2122
pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
2123
2124
}
2125
2126
/* Write pause and PFC registers */
2127
REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
2128
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
2129
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
2130
2131
2132
/* Set MAC address for source TX Pause/PFC frames */
2133
REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_LO,
2134
((params->mac_addr[2] << 24) |
2135
(params->mac_addr[3] << 16) |
2136
(params->mac_addr[4] << 8) |
2137
(params->mac_addr[5])));
2138
REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_HI,
2139
((params->mac_addr[0] << 8) |
2140
(params->mac_addr[1])));
2141
2142
DELAY(30);
2143
}
2144
2145
static void elink_emac_get_pfc_stat(struct elink_params *params,
2146
uint32_t pfc_frames_sent[2],
2147
uint32_t pfc_frames_received[2])
2148
{
2149
/* Read pfc statistic */
2150
struct bxe_softc *sc = params->sc;
2151
uint32_t emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2152
uint32_t val_xon = 0;
2153
uint32_t val_xoff = 0;
2154
2155
ELINK_DEBUG_P0(sc, "pfc statistic read from EMAC\n");
2156
2157
/* PFC received frames */
2158
val_xoff = REG_RD(sc, emac_base +
2159
EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
2160
val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
2161
val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
2162
val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
2163
2164
pfc_frames_received[0] = val_xon + val_xoff;
2165
2166
/* PFC received sent */
2167
val_xoff = REG_RD(sc, emac_base +
2168
EMAC_REG_RX_PFC_STATS_XOFF_SENT);
2169
val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
2170
val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
2171
val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
2172
2173
pfc_frames_sent[0] = val_xon + val_xoff;
2174
}
2175
2176
/* Read pfc statistic*/
2177
void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars,
2178
uint32_t pfc_frames_sent[2],
2179
uint32_t pfc_frames_received[2])
2180
{
2181
/* Read pfc statistic */
2182
struct bxe_softc *sc = params->sc;
2183
2184
ELINK_DEBUG_P0(sc, "pfc statistic\n");
2185
2186
if (!vars->link_up)
2187
return;
2188
2189
if (vars->mac_type == ELINK_MAC_TYPE_EMAC) {
2190
ELINK_DEBUG_P0(sc, "About to read PFC stats from EMAC\n");
2191
elink_emac_get_pfc_stat(params, pfc_frames_sent,
2192
pfc_frames_received);
2193
}
2194
}
2195
/******************************************************************/
2196
/* MAC/PBF section */
2197
/******************************************************************/
2198
static void elink_set_mdio_clk(struct bxe_softc *sc, uint32_t chip_id,
2199
uint32_t emac_base)
2200
{
2201
uint32_t new_mode, cur_mode;
2202
uint32_t clc_cnt;
2203
/* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
2204
* (a value of 49==0x31) and make sure that the AUTO poll is off
2205
*/
2206
cur_mode = REG_RD(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE);
2207
2208
if (USES_WARPCORE(sc))
2209
clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
2210
else
2211
clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
2212
2213
if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
2214
(cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
2215
return;
2216
2217
new_mode = cur_mode &
2218
~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
2219
new_mode |= clc_cnt;
2220
new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
2221
2222
ELINK_DEBUG_P2(sc, "Changing emac_mode from 0x%x to 0x%x\n",
2223
cur_mode, new_mode);
2224
REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
2225
DELAY(40);
2226
}
2227
2228
static uint8_t elink_is_4_port_mode(struct bxe_softc *sc)
2229
{
2230
uint32_t port4mode_ovwr_val;
2231
/* Check 4-port override enabled */
2232
port4mode_ovwr_val = REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR);
2233
if (port4mode_ovwr_val & (1<<0)) {
2234
/* Return 4-port mode override value */
2235
return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
2236
}
2237
/* Return 4-port mode from input pin */
2238
return (uint8_t)REG_RD(sc, MISC_REG_PORT4MODE_EN);
2239
}
2240
2241
static void elink_set_mdio_emac_per_phy(struct bxe_softc *sc,
2242
struct elink_params *params)
2243
{
2244
uint8_t phy_index;
2245
2246
/* Set mdio clock per phy */
2247
for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
2248
phy_index++)
2249
elink_set_mdio_clk(sc, params->chip_id,
2250
params->phy[phy_index].mdio_ctrl);
2251
}
2252
2253
static void elink_emac_init(struct elink_params *params,
2254
struct elink_vars *vars)
2255
{
2256
/* reset and unreset the emac core */
2257
struct bxe_softc *sc = params->sc;
2258
uint8_t port = params->port;
2259
uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2260
uint32_t val;
2261
uint16_t timeout;
2262
2263
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2264
(MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
2265
DELAY(5);
2266
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2267
(MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
2268
2269
/* init emac - use read-modify-write */
2270
/* self clear reset */
2271
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2272
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
2273
2274
timeout = 200;
2275
do {
2276
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2277
ELINK_DEBUG_P1(sc, "EMAC reset reg is %u\n", val);
2278
if (!timeout) {
2279
ELINK_DEBUG_P0(sc, "EMAC timeout!\n");
2280
return;
2281
}
2282
timeout--;
2283
} while (val & EMAC_MODE_RESET);
2284
2285
elink_set_mdio_emac_per_phy(sc, params);
2286
/* Set mac address */
2287
val = ((params->mac_addr[0] << 8) |
2288
params->mac_addr[1]);
2289
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH, val);
2290
2291
val = ((params->mac_addr[2] << 24) |
2292
(params->mac_addr[3] << 16) |
2293
(params->mac_addr[4] << 8) |
2294
params->mac_addr[5]);
2295
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH + 4, val);
2296
}
2297
2298
static void elink_set_xumac_nig(struct elink_params *params,
2299
uint16_t tx_pause_en,
2300
uint8_t enable)
2301
{
2302
struct bxe_softc *sc = params->sc;
2303
2304
REG_WR(sc, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
2305
enable);
2306
REG_WR(sc, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
2307
enable);
2308
REG_WR(sc, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
2309
NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
2310
}
2311
2312
static void elink_set_umac_rxtx(struct elink_params *params, uint8_t en)
2313
{
2314
uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
2315
uint32_t val;
2316
struct bxe_softc *sc = params->sc;
2317
if (!(REG_RD(sc, MISC_REG_RESET_REG_2) &
2318
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
2319
return;
2320
val = REG_RD(sc, umac_base + UMAC_REG_COMMAND_CONFIG);
2321
if (en)
2322
val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
2323
UMAC_COMMAND_CONFIG_REG_RX_ENA);
2324
else
2325
val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
2326
UMAC_COMMAND_CONFIG_REG_RX_ENA);
2327
/* Disable RX and TX */
2328
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2329
}
2330
2331
static void elink_umac_enable(struct elink_params *params,
2332
struct elink_vars *vars, uint8_t lb)
2333
{
2334
uint32_t val;
2335
uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
2336
struct bxe_softc *sc = params->sc;
2337
/* Reset UMAC */
2338
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2339
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
2340
DELAY(1000 * 1);
2341
2342
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2343
(MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
2344
2345
ELINK_DEBUG_P0(sc, "enabling UMAC\n");
2346
2347
/* This register opens the gate for the UMAC despite its name */
2348
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
2349
2350
val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
2351
UMAC_COMMAND_CONFIG_REG_PAD_EN |
2352
UMAC_COMMAND_CONFIG_REG_SW_RESET |
2353
UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
2354
switch (vars->line_speed) {
2355
case ELINK_SPEED_10:
2356
val |= (0<<2);
2357
break;
2358
case ELINK_SPEED_100:
2359
val |= (1<<2);
2360
break;
2361
case ELINK_SPEED_1000:
2362
val |= (2<<2);
2363
break;
2364
case ELINK_SPEED_2500:
2365
val |= (3<<2);
2366
break;
2367
default:
2368
ELINK_DEBUG_P1(sc, "Invalid speed for UMAC %d\n",
2369
vars->line_speed);
2370
break;
2371
}
2372
if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2373
val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
2374
2375
if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2376
val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
2377
2378
if (vars->duplex == DUPLEX_HALF)
2379
val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
2380
2381
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2382
DELAY(50);
2383
2384
/* Configure UMAC for EEE */
2385
if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
2386
ELINK_DEBUG_P0(sc, "configured UMAC for EEE\n");
2387
REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL,
2388
UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
2389
REG_WR(sc, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
2390
} else {
2391
REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
2392
}
2393
2394
/* Set MAC address for source TX Pause/PFC frames (under SW reset) */
2395
REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR0,
2396
((params->mac_addr[2] << 24) |
2397
(params->mac_addr[3] << 16) |
2398
(params->mac_addr[4] << 8) |
2399
(params->mac_addr[5])));
2400
REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR1,
2401
((params->mac_addr[0] << 8) |
2402
(params->mac_addr[1])));
2403
2404
/* Enable RX and TX */
2405
val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
2406
val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
2407
UMAC_COMMAND_CONFIG_REG_RX_ENA;
2408
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2409
DELAY(50);
2410
2411
/* Remove SW Reset */
2412
val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
2413
2414
/* Check loopback mode */
2415
if (lb)
2416
val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
2417
REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val);
2418
2419
/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
2420
* length used by the MAC receive logic to check frames.
2421
*/
2422
REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
2423
elink_set_xumac_nig(params,
2424
((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
2425
vars->mac_type = ELINK_MAC_TYPE_UMAC;
2426
2427
}
2428
2429
/* Define the XMAC mode */
2430
static void elink_xmac_init(struct elink_params *params, uint32_t max_speed)
2431
{
2432
struct bxe_softc *sc = params->sc;
2433
uint32_t is_port4mode = elink_is_4_port_mode(sc);
2434
2435
/* In 4-port mode, need to set the mode only once, so if XMAC is
2436
* already out of reset, it means the mode has already been set,
2437
* and it must not* reset the XMAC again, since it controls both
2438
* ports of the path
2439
*/
2440
2441
if (((CHIP_NUM(sc) == CHIP_NUM_57840_4_10) ||
2442
(CHIP_NUM(sc) == CHIP_NUM_57840_2_20) ||
2443
(CHIP_NUM(sc) == CHIP_NUM_57840_OBS)) &&
2444
is_port4mode &&
2445
(REG_RD(sc, MISC_REG_RESET_REG_2) &
2446
MISC_REGISTERS_RESET_REG_2_XMAC)) {
2447
ELINK_DEBUG_P0(sc,
2448
"XMAC already out of reset in 4-port mode\n");
2449
return;
2450
}
2451
2452
/* Hard reset */
2453
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2454
MISC_REGISTERS_RESET_REG_2_XMAC);
2455
DELAY(1000 * 1);
2456
2457
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2458
MISC_REGISTERS_RESET_REG_2_XMAC);
2459
if (is_port4mode) {
2460
ELINK_DEBUG_P0(sc, "Init XMAC to 2 ports x 10G per path\n");
2461
2462
/* Set the number of ports on the system side to up to 2 */
2463
REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 1);
2464
2465
/* Set the number of ports on the Warp Core to 10G */
2466
REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
2467
} else {
2468
/* Set the number of ports on the system side to 1 */
2469
REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 0);
2470
if (max_speed == ELINK_SPEED_10000) {
2471
ELINK_DEBUG_P0(sc,
2472
"Init XMAC to 10G x 1 port per path\n");
2473
/* Set the number of ports on the Warp Core to 10G */
2474
REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3);
2475
} else {
2476
ELINK_DEBUG_P0(sc,
2477
"Init XMAC to 20G x 2 ports per path\n");
2478
/* Set the number of ports on the Warp Core to 20G */
2479
REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 1);
2480
}
2481
}
2482
/* Soft reset */
2483
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2484
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
2485
DELAY(1000 * 1);
2486
2487
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2488
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
2489
2490
}
2491
2492
static void elink_set_xmac_rxtx(struct elink_params *params, uint8_t en)
2493
{
2494
uint8_t port = params->port;
2495
struct bxe_softc *sc = params->sc;
2496
uint32_t pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2497
uint32_t val;
2498
2499
if (REG_RD(sc, MISC_REG_RESET_REG_2) &
2500
MISC_REGISTERS_RESET_REG_2_XMAC) {
2501
/* Send an indication to change the state in the NIG back to XON
2502
* Clearing this bit enables the next set of this bit to get
2503
* rising edge
2504
*/
2505
pfc_ctrl = REG_RD(sc, xmac_base + XMAC_REG_PFC_CTRL_HI);
2506
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
2507
(pfc_ctrl & ~(1<<1)));
2508
REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI,
2509
(pfc_ctrl | (1<<1)));
2510
ELINK_DEBUG_P1(sc, "Disable XMAC on port %x\n", port);
2511
val = REG_RD(sc, xmac_base + XMAC_REG_CTRL);
2512
if (en)
2513
val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
2514
else
2515
val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
2516
REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
2517
}
2518
}
2519
2520
static elink_status_t elink_xmac_enable(struct elink_params *params,
2521
struct elink_vars *vars, uint8_t lb)
2522
{
2523
uint32_t val, xmac_base;
2524
struct bxe_softc *sc = params->sc;
2525
ELINK_DEBUG_P0(sc, "enabling XMAC\n");
2526
2527
xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
2528
2529
elink_xmac_init(params, vars->line_speed);
2530
2531
/* This register determines on which events the MAC will assert
2532
* error on the i/f to the NIG along w/ EOP.
2533
*/
2534
2535
/* This register tells the NIG whether to send traffic to UMAC
2536
* or XMAC
2537
*/
2538
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
2539
2540
/* When XMAC is in XLGMII mode, disable sending idles for fault
2541
* detection.
2542
*/
2543
if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) {
2544
REG_WR(sc, xmac_base + XMAC_REG_RX_LSS_CTRL,
2545
(XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
2546
XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
2547
REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
2548
REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
2549
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
2550
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
2551
}
2552
/* Set Max packet size */
2553
REG_WR(sc, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
2554
2555
/* CRC append for Tx packets */
2556
REG_WR(sc, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
2557
2558
/* update PFC */
2559
elink_update_pfc_xmac(params, vars, 0);
2560
2561
if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
2562
ELINK_DEBUG_P0(sc, "Setting XMAC for EEE\n");
2563
REG_WR(sc, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
2564
REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
2565
} else {
2566
REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
2567
}
2568
2569
/* Enable TX and RX */
2570
val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
2571
2572
/* Set MAC in XLGMII mode for dual-mode */
2573
if ((vars->line_speed == ELINK_SPEED_20000) &&
2574
(params->phy[ELINK_INT_PHY].supported &
2575
ELINK_SUPPORTED_20000baseKR2_Full))
2576
val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
2577
2578
/* Check loopback mode */
2579
if (lb)
2580
val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
2581
REG_WR(sc, xmac_base + XMAC_REG_CTRL, val);
2582
elink_set_xumac_nig(params,
2583
((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1);
2584
2585
vars->mac_type = ELINK_MAC_TYPE_XMAC;
2586
2587
return ELINK_STATUS_OK;
2588
}
2589
2590
static elink_status_t elink_emac_enable(struct elink_params *params,
2591
struct elink_vars *vars, uint8_t lb)
2592
{
2593
struct bxe_softc *sc = params->sc;
2594
uint8_t port = params->port;
2595
uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
2596
uint32_t val;
2597
2598
ELINK_DEBUG_P0(sc, "enabling EMAC\n");
2599
2600
/* Disable BMAC */
2601
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
2602
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2603
2604
/* enable emac and not bmac */
2605
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
2606
2607
#ifdef ELINK_INCLUDE_EMUL
2608
/* for paladium */
2609
if (CHIP_REV_IS_EMUL(sc)) {
2610
/* Use lane 1 (of lanes 0-3) */
2611
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
2612
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
2613
}
2614
/* for fpga */
2615
else
2616
#endif
2617
#ifdef ELINK_INCLUDE_FPGA
2618
if (CHIP_REV_IS_FPGA(sc)) {
2619
/* Use lane 1 (of lanes 0-3) */
2620
ELINK_DEBUG_P0(sc, "elink_emac_enable: Setting FPGA\n");
2621
2622
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
2623
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
2624
} else
2625
#endif
2626
/* ASIC */
2627
if (vars->phy_flags & PHY_XGXS_FLAG) {
2628
uint32_t ser_lane = ((params->lane_config &
2629
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2630
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2631
2632
ELINK_DEBUG_P0(sc, "XGXS\n");
2633
/* select the master lanes (out of 0-3) */
2634
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
2635
/* select XGXS */
2636
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
2637
2638
} else { /* SerDes */
2639
ELINK_DEBUG_P0(sc, "SerDes\n");
2640
/* select SerDes */
2641
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
2642
}
2643
2644
elink_bits_en(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
2645
EMAC_RX_MODE_RESET);
2646
elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2647
EMAC_TX_MODE_RESET);
2648
2649
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2650
if (CHIP_REV_IS_SLOW(sc)) {
2651
/* config GMII mode */
2652
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2653
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
2654
} else { /* ASIC */
2655
#endif
2656
/* pause enable/disable */
2657
elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_RX_MODE,
2658
EMAC_RX_MODE_FLOW_EN);
2659
2660
elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2661
(EMAC_TX_MODE_EXT_PAUSE_EN |
2662
EMAC_TX_MODE_FLOW_EN));
2663
if (!(params->feature_config_flags &
2664
ELINK_FEATURE_CONFIG_PFC_ENABLED)) {
2665
if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
2666
elink_bits_en(sc, emac_base +
2667
EMAC_REG_EMAC_RX_MODE,
2668
EMAC_RX_MODE_FLOW_EN);
2669
2670
if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
2671
elink_bits_en(sc, emac_base +
2672
EMAC_REG_EMAC_TX_MODE,
2673
(EMAC_TX_MODE_EXT_PAUSE_EN |
2674
EMAC_TX_MODE_FLOW_EN));
2675
} else
2676
elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE,
2677
EMAC_TX_MODE_FLOW_EN);
2678
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
2679
}
2680
#endif
2681
2682
/* KEEP_VLAN_TAG, promiscuous */
2683
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_RX_MODE);
2684
val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
2685
2686
/* Setting this bit causes MAC control frames (except for pause
2687
* frames) to be passed on for processing. This setting has no
2688
* affect on the operation of the pause frames. This bit effects
2689
* all packets regardless of RX Parser packet sorting logic.
2690
* Turn the PFC off to make sure we are in Xon state before
2691
* enabling it.
2692
*/
2693
elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 0);
2694
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2695
ELINK_DEBUG_P0(sc, "PFC is enabled\n");
2696
/* Enable PFC again */
2697
elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE,
2698
EMAC_REG_RX_PFC_MODE_RX_EN |
2699
EMAC_REG_RX_PFC_MODE_TX_EN |
2700
EMAC_REG_RX_PFC_MODE_PRIORITIES);
2701
2702
elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_PARAM,
2703
((0x0101 <<
2704
EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
2705
(0x00ff <<
2706
EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
2707
val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
2708
}
2709
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MODE, val);
2710
2711
/* Set Loopback */
2712
val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE);
2713
if (lb)
2714
val |= 0x810;
2715
else
2716
val &= ~0x810;
2717
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, val);
2718
2719
/* Enable emac */
2720
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 1);
2721
2722
/* Enable emac for jumbo packets */
2723
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MTU_SIZE,
2724
(EMAC_RX_MTU_SIZE_JUMBO_ENA |
2725
(ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD)));
2726
2727
/* Strip CRC */
2728
REG_WR(sc, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
2729
2730
/* Disable the NIG in/out to the bmac */
2731
REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
2732
REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
2733
REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
2734
2735
/* Enable the NIG in/out to the emac */
2736
REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
2737
val = 0;
2738
if ((params->feature_config_flags &
2739
ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
2740
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2741
val = 1;
2742
2743
REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
2744
REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
2745
2746
#ifdef ELINK_INCLUDE_EMUL
2747
if (CHIP_REV_IS_EMUL(sc)) {
2748
/* Take the BigMac out of reset */
2749
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
2750
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2751
2752
/* Enable access for bmac registers */
2753
REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
2754
} else
2755
#endif
2756
REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
2757
2758
vars->mac_type = ELINK_MAC_TYPE_EMAC;
2759
return ELINK_STATUS_OK;
2760
}
2761
2762
static void elink_update_pfc_bmac1(struct elink_params *params,
2763
struct elink_vars *vars)
2764
{
2765
uint32_t wb_data[2];
2766
struct bxe_softc *sc = params->sc;
2767
uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2768
NIG_REG_INGRESS_BMAC0_MEM;
2769
2770
uint32_t val = 0x14;
2771
if ((!(params->feature_config_flags &
2772
ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2773
(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2774
/* Enable BigMAC to react on received Pause packets */
2775
val |= (1<<5);
2776
wb_data[0] = val;
2777
wb_data[1] = 0;
2778
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
2779
2780
/* TX control */
2781
val = 0xc0;
2782
if (!(params->feature_config_flags &
2783
ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2784
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2785
val |= 0x800000;
2786
wb_data[0] = val;
2787
wb_data[1] = 0;
2788
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
2789
}
2790
2791
static void elink_update_pfc_bmac2(struct elink_params *params,
2792
struct elink_vars *vars,
2793
uint8_t is_lb)
2794
{
2795
/* Set rx control: Strip CRC and enable BigMAC to relay
2796
* control packets to the system as well
2797
*/
2798
uint32_t wb_data[2];
2799
struct bxe_softc *sc = params->sc;
2800
uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
2801
NIG_REG_INGRESS_BMAC0_MEM;
2802
uint32_t val = 0x14;
2803
2804
if ((!(params->feature_config_flags &
2805
ELINK_FEATURE_CONFIG_PFC_ENABLED)) &&
2806
(vars->flow_ctrl & ELINK_FLOW_CTRL_RX))
2807
/* Enable BigMAC to react on received Pause packets */
2808
val |= (1<<5);
2809
wb_data[0] = val;
2810
wb_data[1] = 0;
2811
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
2812
DELAY(30);
2813
2814
/* Tx control */
2815
val = 0xc0;
2816
if (!(params->feature_config_flags &
2817
ELINK_FEATURE_CONFIG_PFC_ENABLED) &&
2818
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
2819
val |= 0x800000;
2820
wb_data[0] = val;
2821
wb_data[1] = 0;
2822
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
2823
2824
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) {
2825
ELINK_DEBUG_P0(sc, "PFC is enabled\n");
2826
/* Enable PFC RX & TX & STATS and set 8 COS */
2827
wb_data[0] = 0x0;
2828
wb_data[0] |= (1<<0); /* RX */
2829
wb_data[0] |= (1<<1); /* TX */
2830
wb_data[0] |= (1<<2); /* Force initial Xon */
2831
wb_data[0] |= (1<<3); /* 8 cos */
2832
wb_data[0] |= (1<<5); /* STATS */
2833
wb_data[1] = 0;
2834
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
2835
wb_data, 2);
2836
/* Clear the force Xon */
2837
wb_data[0] &= ~(1<<2);
2838
} else {
2839
ELINK_DEBUG_P0(sc, "PFC is disabled\n");
2840
/* Disable PFC RX & TX & STATS and set 8 COS */
2841
wb_data[0] = 0x8;
2842
wb_data[1] = 0;
2843
}
2844
2845
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
2846
2847
/* Set Time (based unit is 512 bit time) between automatic
2848
* re-sending of PP packets amd enable automatic re-send of
2849
* Per-Priroity Packet as long as pp_gen is asserted and
2850
* pp_disable is low.
2851
*/
2852
val = 0x8000;
2853
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2854
val |= (1<<16); /* enable automatic re-send */
2855
2856
wb_data[0] = val;
2857
wb_data[1] = 0;
2858
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
2859
wb_data, 2);
2860
2861
/* mac control */
2862
val = 0x3; /* Enable RX and TX */
2863
if (is_lb) {
2864
val |= 0x4; /* Local loopback */
2865
ELINK_DEBUG_P0(sc, "enable bmac loopback\n");
2866
}
2867
/* When PFC enabled, Pass pause frames towards the NIG. */
2868
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
2869
val |= ((1<<6)|(1<<5));
2870
2871
wb_data[0] = val;
2872
wb_data[1] = 0;
2873
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
2874
}
2875
2876
/******************************************************************************
2877
* Description:
2878
* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
2879
* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
2880
******************************************************************************/
2881
static elink_status_t elink_pfc_nig_rx_priority_mask(struct bxe_softc *sc,
2882
uint8_t cos_entry,
2883
uint32_t priority_mask, uint8_t port)
2884
{
2885
uint32_t nig_reg_rx_priority_mask_add = 0;
2886
2887
switch (cos_entry) {
2888
case 0:
2889
nig_reg_rx_priority_mask_add = (port) ?
2890
NIG_REG_P1_RX_COS0_PRIORITY_MASK :
2891
NIG_REG_P0_RX_COS0_PRIORITY_MASK;
2892
break;
2893
case 1:
2894
nig_reg_rx_priority_mask_add = (port) ?
2895
NIG_REG_P1_RX_COS1_PRIORITY_MASK :
2896
NIG_REG_P0_RX_COS1_PRIORITY_MASK;
2897
break;
2898
case 2:
2899
nig_reg_rx_priority_mask_add = (port) ?
2900
NIG_REG_P1_RX_COS2_PRIORITY_MASK :
2901
NIG_REG_P0_RX_COS2_PRIORITY_MASK;
2902
break;
2903
case 3:
2904
if (port)
2905
return ELINK_STATUS_ERROR;
2906
nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
2907
break;
2908
case 4:
2909
if (port)
2910
return ELINK_STATUS_ERROR;
2911
nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
2912
break;
2913
case 5:
2914
if (port)
2915
return ELINK_STATUS_ERROR;
2916
nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
2917
break;
2918
}
2919
2920
REG_WR(sc, nig_reg_rx_priority_mask_add, priority_mask);
2921
2922
return ELINK_STATUS_OK;
2923
}
2924
static void elink_update_mng(struct elink_params *params, uint32_t link_status)
2925
{
2926
struct bxe_softc *sc = params->sc;
2927
2928
REG_WR(sc, params->shmem_base +
2929
offsetof(struct shmem_region,
2930
port_mb[params->port].link_status), link_status);
2931
}
2932
2933
static void elink_update_pfc_nig(struct elink_params *params,
2934
struct elink_vars *vars,
2935
struct elink_nig_brb_pfc_port_params *nig_params)
2936
{
2937
uint32_t xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
2938
uint32_t llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
2939
uint32_t pkt_priority_to_cos = 0;
2940
struct bxe_softc *sc = params->sc;
2941
uint8_t port = params->port;
2942
2943
int set_pfc = params->feature_config_flags &
2944
ELINK_FEATURE_CONFIG_PFC_ENABLED;
2945
ELINK_DEBUG_P0(sc, "updating pfc nig parameters\n");
2946
2947
/* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
2948
* MAC control frames (that are not pause packets)
2949
* will be forwarded to the XCM.
2950
*/
2951
xcm_mask = REG_RD(sc, port ? NIG_REG_LLH1_XCM_MASK :
2952
NIG_REG_LLH0_XCM_MASK);
2953
/* NIG params will override non PFC params, since it's possible to
2954
* do transition from PFC to SAFC
2955
*/
2956
if (set_pfc) {
2957
pause_enable = 0;
2958
llfc_out_en = 0;
2959
llfc_enable = 0;
2960
if (CHIP_IS_E3(sc))
2961
ppp_enable = 0;
2962
else
2963
ppp_enable = 1;
2964
xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2965
NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2966
xcm_out_en = 0;
2967
hwpfc_enable = 1;
2968
} else {
2969
if (nig_params) {
2970
llfc_out_en = nig_params->llfc_out_en;
2971
llfc_enable = nig_params->llfc_enable;
2972
pause_enable = nig_params->pause_enable;
2973
} else /* Default non PFC mode - PAUSE */
2974
pause_enable = 1;
2975
2976
xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
2977
NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
2978
xcm_out_en = 1;
2979
}
2980
2981
if (CHIP_IS_E3(sc))
2982
REG_WR(sc, port ? NIG_REG_BRB1_PAUSE_IN_EN :
2983
NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
2984
REG_WR(sc, port ? NIG_REG_LLFC_OUT_EN_1 :
2985
NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
2986
REG_WR(sc, port ? NIG_REG_LLFC_ENABLE_1 :
2987
NIG_REG_LLFC_ENABLE_0, llfc_enable);
2988
REG_WR(sc, port ? NIG_REG_PAUSE_ENABLE_1 :
2989
NIG_REG_PAUSE_ENABLE_0, pause_enable);
2990
2991
REG_WR(sc, port ? NIG_REG_PPP_ENABLE_1 :
2992
NIG_REG_PPP_ENABLE_0, ppp_enable);
2993
2994
REG_WR(sc, port ? NIG_REG_LLH1_XCM_MASK :
2995
NIG_REG_LLH0_XCM_MASK, xcm_mask);
2996
2997
REG_WR(sc, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
2998
NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
2999
3000
/* Output enable for RX_XCM # IF */
3001
REG_WR(sc, port ? NIG_REG_XCM1_OUT_EN :
3002
NIG_REG_XCM0_OUT_EN, xcm_out_en);
3003
3004
/* HW PFC TX enable */
3005
REG_WR(sc, port ? NIG_REG_P1_HWPFC_ENABLE :
3006
NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
3007
3008
if (nig_params) {
3009
uint8_t i = 0;
3010
pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
3011
3012
for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
3013
elink_pfc_nig_rx_priority_mask(sc, i,
3014
nig_params->rx_cos_priority_mask[i], port);
3015
3016
REG_WR(sc, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
3017
NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
3018
nig_params->llfc_high_priority_classes);
3019
3020
REG_WR(sc, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
3021
NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
3022
nig_params->llfc_low_priority_classes);
3023
}
3024
REG_WR(sc, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
3025
NIG_REG_P0_PKT_PRIORITY_TO_COS,
3026
pkt_priority_to_cos);
3027
}
3028
3029
elink_status_t elink_update_pfc(struct elink_params *params,
3030
struct elink_vars *vars,
3031
struct elink_nig_brb_pfc_port_params *pfc_params)
3032
{
3033
/* The PFC and pause are orthogonal to one another, meaning when
3034
* PFC is enabled, the pause are disabled, and when PFC is
3035
* disabled, pause are set according to the pause result.
3036
*/
3037
uint32_t val;
3038
struct bxe_softc *sc = params->sc;
3039
uint8_t bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC);
3040
3041
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
3042
vars->link_status |= LINK_STATUS_PFC_ENABLED;
3043
else
3044
vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
3045
3046
elink_update_mng(params, vars->link_status);
3047
3048
/* Update NIG params */
3049
elink_update_pfc_nig(params, vars, pfc_params);
3050
3051
if (!vars->link_up)
3052
return ELINK_STATUS_OK;
3053
3054
ELINK_DEBUG_P0(sc, "About to update PFC in BMAC\n");
3055
3056
if (CHIP_IS_E3(sc)) {
3057
if (vars->mac_type == ELINK_MAC_TYPE_XMAC)
3058
elink_update_pfc_xmac(params, vars, 0);
3059
} else {
3060
val = REG_RD(sc, MISC_REG_RESET_REG_2);
3061
if ((val &
3062
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
3063
== 0) {
3064
ELINK_DEBUG_P0(sc, "About to update PFC in EMAC\n");
3065
elink_emac_enable(params, vars, 0);
3066
return ELINK_STATUS_OK;
3067
}
3068
if (CHIP_IS_E2(sc))
3069
elink_update_pfc_bmac2(params, vars, bmac_loopback);
3070
else
3071
elink_update_pfc_bmac1(params, vars);
3072
3073
val = 0;
3074
if ((params->feature_config_flags &
3075
ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
3076
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
3077
val = 1;
3078
REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
3079
}
3080
return ELINK_STATUS_OK;
3081
}
3082
3083
static elink_status_t elink_bmac1_enable(struct elink_params *params,
3084
struct elink_vars *vars,
3085
uint8_t is_lb)
3086
{
3087
struct bxe_softc *sc = params->sc;
3088
uint8_t port = params->port;
3089
uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3090
NIG_REG_INGRESS_BMAC0_MEM;
3091
uint32_t wb_data[2];
3092
uint32_t val;
3093
3094
ELINK_DEBUG_P0(sc, "Enabling BigMAC1\n");
3095
3096
/* XGXS control */
3097
wb_data[0] = 0x3c;
3098
wb_data[1] = 0;
3099
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
3100
wb_data, 2);
3101
3102
/* TX MAC SA */
3103
wb_data[0] = ((params->mac_addr[2] << 24) |
3104
(params->mac_addr[3] << 16) |
3105
(params->mac_addr[4] << 8) |
3106
params->mac_addr[5]);
3107
wb_data[1] = ((params->mac_addr[0] << 8) |
3108
params->mac_addr[1]);
3109
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
3110
3111
/* MAC control */
3112
val = 0x3;
3113
if (is_lb) {
3114
val |= 0x4;
3115
ELINK_DEBUG_P0(sc, "enable bmac loopback\n");
3116
}
3117
wb_data[0] = val;
3118
wb_data[1] = 0;
3119
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
3120
3121
/* Set rx mtu */
3122
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3123
wb_data[1] = 0;
3124
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
3125
3126
elink_update_pfc_bmac1(params, vars);
3127
3128
/* Set tx mtu */
3129
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3130
wb_data[1] = 0;
3131
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
3132
3133
/* Set cnt max size */
3134
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3135
wb_data[1] = 0;
3136
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
3137
3138
/* Configure SAFC */
3139
wb_data[0] = 0x1000200;
3140
wb_data[1] = 0;
3141
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
3142
wb_data, 2);
3143
#ifdef ELINK_INCLUDE_EMUL
3144
/* Fix for emulation */
3145
if (CHIP_REV_IS_EMUL(sc)) {
3146
wb_data[0] = 0xf000;
3147
wb_data[1] = 0;
3148
REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
3149
wb_data, 2);
3150
}
3151
#endif
3152
3153
return ELINK_STATUS_OK;
3154
}
3155
3156
static elink_status_t elink_bmac2_enable(struct elink_params *params,
3157
struct elink_vars *vars,
3158
uint8_t is_lb)
3159
{
3160
struct bxe_softc *sc = params->sc;
3161
uint8_t port = params->port;
3162
uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3163
NIG_REG_INGRESS_BMAC0_MEM;
3164
uint32_t wb_data[2];
3165
3166
ELINK_DEBUG_P0(sc, "Enabling BigMAC2\n");
3167
3168
wb_data[0] = 0;
3169
wb_data[1] = 0;
3170
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
3171
DELAY(30);
3172
3173
/* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
3174
wb_data[0] = 0x3c;
3175
wb_data[1] = 0;
3176
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
3177
wb_data, 2);
3178
3179
DELAY(30);
3180
3181
/* TX MAC SA */
3182
wb_data[0] = ((params->mac_addr[2] << 24) |
3183
(params->mac_addr[3] << 16) |
3184
(params->mac_addr[4] << 8) |
3185
params->mac_addr[5]);
3186
wb_data[1] = ((params->mac_addr[0] << 8) |
3187
params->mac_addr[1]);
3188
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
3189
wb_data, 2);
3190
3191
DELAY(30);
3192
3193
/* Configure SAFC */
3194
wb_data[0] = 0x1000200;
3195
wb_data[1] = 0;
3196
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
3197
wb_data, 2);
3198
DELAY(30);
3199
3200
/* Set RX MTU */
3201
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3202
wb_data[1] = 0;
3203
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
3204
DELAY(30);
3205
3206
/* Set TX MTU */
3207
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD;
3208
wb_data[1] = 0;
3209
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
3210
DELAY(30);
3211
/* Set cnt max size */
3212
wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2;
3213
wb_data[1] = 0;
3214
REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
3215
DELAY(30);
3216
elink_update_pfc_bmac2(params, vars, is_lb);
3217
3218
return ELINK_STATUS_OK;
3219
}
3220
3221
static elink_status_t elink_bmac_enable(struct elink_params *params,
3222
struct elink_vars *vars,
3223
uint8_t is_lb, uint8_t reset_bmac)
3224
{
3225
elink_status_t rc = ELINK_STATUS_OK;
3226
uint8_t port = params->port;
3227
struct bxe_softc *sc = params->sc;
3228
uint32_t val;
3229
/* Reset and unreset the BigMac */
3230
if (reset_bmac) {
3231
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
3232
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
3233
DELAY(1000 * 1);
3234
}
3235
3236
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
3237
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
3238
3239
/* Enable access for bmac registers */
3240
REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
3241
3242
/* Enable BMAC according to BMAC type*/
3243
if (CHIP_IS_E2(sc))
3244
rc = elink_bmac2_enable(params, vars, is_lb);
3245
else
3246
rc = elink_bmac1_enable(params, vars, is_lb);
3247
REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
3248
REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
3249
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
3250
val = 0;
3251
if ((params->feature_config_flags &
3252
ELINK_FEATURE_CONFIG_PFC_ENABLED) ||
3253
(vars->flow_ctrl & ELINK_FLOW_CTRL_TX))
3254
val = 1;
3255
REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
3256
REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
3257
REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
3258
REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
3259
REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
3260
REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
3261
3262
vars->mac_type = ELINK_MAC_TYPE_BMAC;
3263
return rc;
3264
}
3265
3266
static void elink_set_bmac_rx(struct bxe_softc *sc, uint32_t chip_id, uint8_t port, uint8_t en)
3267
{
3268
uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
3269
NIG_REG_INGRESS_BMAC0_MEM;
3270
uint32_t wb_data[2];
3271
uint32_t nig_bmac_enable = REG_RD(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
3272
3273
if (CHIP_IS_E2(sc))
3274
bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
3275
else
3276
bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
3277
/* Only if the bmac is out of reset */
3278
if (REG_RD(sc, MISC_REG_RESET_REG_2) &
3279
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
3280
nig_bmac_enable) {
3281
/* Clear Rx Enable bit in BMAC_CONTROL register */
3282
REG_RD_DMAE(sc, bmac_addr, wb_data, 2);
3283
if (en)
3284
wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE;
3285
else
3286
wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE;
3287
REG_WR_DMAE(sc, bmac_addr, wb_data, 2);
3288
DELAY(1000 * 1);
3289
}
3290
}
3291
3292
static elink_status_t elink_pbf_update(struct elink_params *params, uint32_t flow_ctrl,
3293
uint32_t line_speed)
3294
{
3295
struct bxe_softc *sc = params->sc;
3296
uint8_t port = params->port;
3297
uint32_t init_crd, crd;
3298
uint32_t count = 1000;
3299
3300
/* Disable port */
3301
REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
3302
3303
/* Wait for init credit */
3304
init_crd = REG_RD(sc, PBF_REG_P0_INIT_CRD + port*4);
3305
crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
3306
ELINK_DEBUG_P2(sc, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
3307
3308
while ((init_crd != crd) && count) {
3309
DELAY(1000 * 5);
3310
crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
3311
count--;
3312
}
3313
crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8);
3314
if (init_crd != crd) {
3315
ELINK_DEBUG_P2(sc, "BUG! init_crd 0x%x != crd 0x%x\n",
3316
init_crd, crd);
3317
return ELINK_STATUS_ERROR;
3318
}
3319
3320
if (flow_ctrl & ELINK_FLOW_CTRL_RX ||
3321
line_speed == ELINK_SPEED_10 ||
3322
line_speed == ELINK_SPEED_100 ||
3323
line_speed == ELINK_SPEED_1000 ||
3324
line_speed == ELINK_SPEED_2500) {
3325
REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
3326
/* Update threshold */
3327
REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, 0);
3328
/* Update init credit */
3329
init_crd = 778; /* (800-18-4) */
3330
3331
} else {
3332
uint32_t thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE +
3333
ELINK_ETH_OVREHEAD)/16;
3334
REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
3335
/* Update threshold */
3336
REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, thresh);
3337
/* Update init credit */
3338
switch (line_speed) {
3339
case ELINK_SPEED_10000:
3340
init_crd = thresh + 553 - 22;
3341
break;
3342
default:
3343
ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
3344
line_speed);
3345
return ELINK_STATUS_ERROR;
3346
}
3347
}
3348
REG_WR(sc, PBF_REG_P0_INIT_CRD + port*4, init_crd);
3349
ELINK_DEBUG_P2(sc, "PBF updated to speed %d credit %d\n",
3350
line_speed, init_crd);
3351
3352
/* Probe the credit changes */
3353
REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x1);
3354
DELAY(1000 * 5);
3355
REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x0);
3356
3357
/* Enable port */
3358
REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
3359
return ELINK_STATUS_OK;
3360
}
3361
3362
/**
3363
* elink_get_emac_base - retrive emac base address
3364
*
3365
* @bp: driver handle
3366
* @mdc_mdio_access: access type
3367
* @port: port id
3368
*
3369
* This function selects the MDC/MDIO access (through emac0 or
3370
* emac1) depend on the mdc_mdio_access, port, port swapped. Each
3371
* phy has a default access mode, which could also be overridden
3372
* by nvram configuration. This parameter, whether this is the
3373
* default phy configuration, or the nvram overrun
3374
* configuration, is passed here as mdc_mdio_access and selects
3375
* the emac_base for the CL45 read/writes operations
3376
*/
3377
static uint32_t elink_get_emac_base(struct bxe_softc *sc,
3378
uint32_t mdc_mdio_access, uint8_t port)
3379
{
3380
uint32_t emac_base = 0;
3381
switch (mdc_mdio_access) {
3382
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
3383
break;
3384
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
3385
if (REG_RD(sc, NIG_REG_PORT_SWAP))
3386
emac_base = GRCBASE_EMAC1;
3387
else
3388
emac_base = GRCBASE_EMAC0;
3389
break;
3390
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
3391
if (REG_RD(sc, NIG_REG_PORT_SWAP))
3392
emac_base = GRCBASE_EMAC0;
3393
else
3394
emac_base = GRCBASE_EMAC1;
3395
break;
3396
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
3397
emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
3398
break;
3399
case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
3400
emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
3401
break;
3402
default:
3403
break;
3404
}
3405
return emac_base;
3406
3407
}
3408
3409
/******************************************************************/
3410
/* CL22 access functions */
3411
/******************************************************************/
3412
static elink_status_t elink_cl22_write(struct bxe_softc *sc,
3413
struct elink_phy *phy,
3414
uint16_t reg, uint16_t val)
3415
{
3416
uint32_t tmp, mode;
3417
uint8_t i;
3418
elink_status_t rc = ELINK_STATUS_OK;
3419
/* Switch to CL22 */
3420
mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3421
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3422
mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3423
3424
/* Address */
3425
tmp = ((phy->addr << 21) | (reg << 16) | val |
3426
EMAC_MDIO_COMM_COMMAND_WRITE_22 |
3427
EMAC_MDIO_COMM_START_BUSY);
3428
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3429
3430
for (i = 0; i < 50; i++) {
3431
DELAY(10);
3432
3433
tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3434
if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3435
DELAY(5);
3436
break;
3437
}
3438
}
3439
if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3440
ELINK_DEBUG_P0(sc, "write phy register failed\n");
3441
rc = ELINK_STATUS_TIMEOUT;
3442
}
3443
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3444
return rc;
3445
}
3446
3447
static elink_status_t elink_cl22_read(struct bxe_softc *sc,
3448
struct elink_phy *phy,
3449
uint16_t reg, uint16_t *ret_val)
3450
{
3451
uint32_t val, mode;
3452
uint16_t i;
3453
elink_status_t rc = ELINK_STATUS_OK;
3454
3455
/* Switch to CL22 */
3456
mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
3457
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
3458
mode & ~EMAC_MDIO_MODE_CLAUSE_45);
3459
3460
/* Address */
3461
val = ((phy->addr << 21) | (reg << 16) |
3462
EMAC_MDIO_COMM_COMMAND_READ_22 |
3463
EMAC_MDIO_COMM_START_BUSY);
3464
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3465
3466
for (i = 0; i < 50; i++) {
3467
DELAY(10);
3468
3469
val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3470
if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3471
*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
3472
DELAY(5);
3473
break;
3474
}
3475
}
3476
if (val & EMAC_MDIO_COMM_START_BUSY) {
3477
ELINK_DEBUG_P0(sc, "read phy register failed\n");
3478
3479
*ret_val = 0;
3480
rc = ELINK_STATUS_TIMEOUT;
3481
}
3482
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
3483
return rc;
3484
}
3485
3486
/******************************************************************/
3487
/* CL45 access functions */
3488
/******************************************************************/
3489
static elink_status_t elink_cl45_read(struct bxe_softc *sc, struct elink_phy *phy,
3490
uint8_t devad, uint16_t reg, uint16_t *ret_val)
3491
{
3492
uint32_t val;
3493
uint16_t i;
3494
elink_status_t rc = ELINK_STATUS_OK;
3495
uint32_t chip_id;
3496
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3497
chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
3498
((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
3499
elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
3500
}
3501
3502
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3503
elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3504
EMAC_MDIO_STATUS_10MB);
3505
/* Address */
3506
val = ((phy->addr << 21) | (devad << 16) | reg |
3507
EMAC_MDIO_COMM_COMMAND_ADDRESS |
3508
EMAC_MDIO_COMM_START_BUSY);
3509
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3510
3511
for (i = 0; i < 50; i++) {
3512
DELAY(10);
3513
3514
val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3515
if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3516
DELAY(5);
3517
break;
3518
}
3519
}
3520
if (val & EMAC_MDIO_COMM_START_BUSY) {
3521
ELINK_DEBUG_P0(sc, "read phy register failed\n");
3522
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3523
3524
*ret_val = 0;
3525
rc = ELINK_STATUS_TIMEOUT;
3526
} else {
3527
/* Data */
3528
val = ((phy->addr << 21) | (devad << 16) |
3529
EMAC_MDIO_COMM_COMMAND_READ_45 |
3530
EMAC_MDIO_COMM_START_BUSY);
3531
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
3532
3533
for (i = 0; i < 50; i++) {
3534
DELAY(10);
3535
3536
val = REG_RD(sc, phy->mdio_ctrl +
3537
EMAC_REG_EMAC_MDIO_COMM);
3538
if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
3539
*ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA);
3540
break;
3541
}
3542
}
3543
if (val & EMAC_MDIO_COMM_START_BUSY) {
3544
ELINK_DEBUG_P0(sc, "read phy register failed\n");
3545
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3546
3547
*ret_val = 0;
3548
rc = ELINK_STATUS_TIMEOUT;
3549
}
3550
}
3551
/* Work around for E3 A0 */
3552
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3553
phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3554
if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3555
uint16_t temp_val;
3556
elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
3557
}
3558
}
3559
3560
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3561
elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3562
EMAC_MDIO_STATUS_10MB);
3563
return rc;
3564
}
3565
3566
static elink_status_t elink_cl45_write(struct bxe_softc *sc, struct elink_phy *phy,
3567
uint8_t devad, uint16_t reg, uint16_t val)
3568
{
3569
uint32_t tmp;
3570
uint8_t i;
3571
elink_status_t rc = ELINK_STATUS_OK;
3572
uint32_t chip_id;
3573
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) {
3574
chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
3575
((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
3576
elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl);
3577
}
3578
3579
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3580
elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3581
EMAC_MDIO_STATUS_10MB);
3582
3583
/* Address */
3584
tmp = ((phy->addr << 21) | (devad << 16) | reg |
3585
EMAC_MDIO_COMM_COMMAND_ADDRESS |
3586
EMAC_MDIO_COMM_START_BUSY);
3587
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3588
3589
for (i = 0; i < 50; i++) {
3590
DELAY(10);
3591
3592
tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
3593
if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3594
DELAY(5);
3595
break;
3596
}
3597
}
3598
if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3599
ELINK_DEBUG_P0(sc, "write phy register failed\n");
3600
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3601
3602
rc = ELINK_STATUS_TIMEOUT;
3603
} else {
3604
/* Data */
3605
tmp = ((phy->addr << 21) | (devad << 16) | val |
3606
EMAC_MDIO_COMM_COMMAND_WRITE_45 |
3607
EMAC_MDIO_COMM_START_BUSY);
3608
REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
3609
3610
for (i = 0; i < 50; i++) {
3611
DELAY(10);
3612
3613
tmp = REG_RD(sc, phy->mdio_ctrl +
3614
EMAC_REG_EMAC_MDIO_COMM);
3615
if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
3616
DELAY(5);
3617
break;
3618
}
3619
}
3620
if (tmp & EMAC_MDIO_COMM_START_BUSY) {
3621
ELINK_DEBUG_P0(sc, "write phy register failed\n");
3622
elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n"
3623
3624
rc = ELINK_STATUS_TIMEOUT;
3625
}
3626
}
3627
/* Work around for E3 A0 */
3628
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) {
3629
phy->flags ^= ELINK_FLAGS_DUMMY_READ;
3630
if (phy->flags & ELINK_FLAGS_DUMMY_READ) {
3631
uint16_t temp_val;
3632
elink_cl45_read(sc, phy, devad, 0xf, &temp_val);
3633
}
3634
}
3635
if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0)
3636
elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
3637
EMAC_MDIO_STATUS_10MB);
3638
return rc;
3639
}
3640
3641
/******************************************************************/
3642
/* EEE section */
3643
/******************************************************************/
3644
static uint8_t elink_eee_has_cap(struct elink_params *params)
3645
{
3646
struct bxe_softc *sc = params->sc;
3647
3648
if (REG_RD(sc, params->shmem2_base) <=
3649
offsetof(struct shmem2_region, eee_status[params->port]))
3650
return 0;
3651
3652
return 1;
3653
}
3654
3655
static elink_status_t elink_eee_nvram_to_time(uint32_t nvram_mode, uint32_t *idle_timer)
3656
{
3657
switch (nvram_mode) {
3658
case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
3659
*idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME;
3660
break;
3661
case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
3662
*idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME;
3663
break;
3664
case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
3665
*idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME;
3666
break;
3667
default:
3668
*idle_timer = 0;
3669
break;
3670
}
3671
3672
return ELINK_STATUS_OK;
3673
}
3674
3675
static elink_status_t elink_eee_time_to_nvram(uint32_t idle_timer, uint32_t *nvram_mode)
3676
{
3677
switch (idle_timer) {
3678
case ELINK_EEE_MODE_NVRAM_BALANCED_TIME:
3679
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
3680
break;
3681
case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME:
3682
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
3683
break;
3684
case ELINK_EEE_MODE_NVRAM_LATENCY_TIME:
3685
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
3686
break;
3687
default:
3688
*nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
3689
break;
3690
}
3691
3692
return ELINK_STATUS_OK;
3693
}
3694
3695
static uint32_t elink_eee_calc_timer(struct elink_params *params)
3696
{
3697
uint32_t eee_mode, eee_idle;
3698
struct bxe_softc *sc = params->sc;
3699
3700
if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) {
3701
if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3702
/* time value in eee_mode --> used directly*/
3703
eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK;
3704
} else {
3705
/* hsi value in eee_mode --> time */
3706
if (elink_eee_nvram_to_time(params->eee_mode &
3707
ELINK_EEE_MODE_NVRAM_MASK,
3708
&eee_idle))
3709
return 0;
3710
}
3711
} else {
3712
/* hsi values in nvram --> time*/
3713
eee_mode = ((REG_RD(sc, params->shmem_base +
3714
offsetof(struct shmem_region, dev_info.
3715
port_feature_config[params->port].
3716
eee_power_mode)) &
3717
PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
3718
PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
3719
3720
if (elink_eee_nvram_to_time(eee_mode, &eee_idle))
3721
return 0;
3722
}
3723
3724
return eee_idle;
3725
}
3726
3727
static elink_status_t elink_eee_set_timers(struct elink_params *params,
3728
struct elink_vars *vars)
3729
{
3730
uint32_t eee_idle = 0, eee_mode;
3731
struct bxe_softc *sc = params->sc;
3732
3733
eee_idle = elink_eee_calc_timer(params);
3734
3735
if (eee_idle) {
3736
REG_WR(sc, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
3737
eee_idle);
3738
} else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) &&
3739
(params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) &&
3740
(params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) {
3741
ELINK_DEBUG_P0(sc, "Error: Tx LPI is enabled with timer 0\n");
3742
return ELINK_STATUS_ERROR;
3743
}
3744
3745
vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
3746
if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) {
3747
/* eee_idle in 1u --> eee_status in 16u */
3748
eee_idle >>= 4;
3749
vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
3750
SHMEM_EEE_TIME_OUTPUT_BIT;
3751
} else {
3752
if (elink_eee_time_to_nvram(eee_idle, &eee_mode))
3753
return ELINK_STATUS_ERROR;
3754
vars->eee_status |= eee_mode;
3755
}
3756
3757
return ELINK_STATUS_OK;
3758
}
3759
3760
static elink_status_t elink_eee_initial_config(struct elink_params *params,
3761
struct elink_vars *vars, uint8_t mode)
3762
{
3763
vars->eee_status |= ((uint32_t) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
3764
3765
/* Propagate params' bits --> vars (for migration exposure) */
3766
if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)
3767
vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
3768
else
3769
vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
3770
3771
if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI)
3772
vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
3773
else
3774
vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
3775
3776
return elink_eee_set_timers(params, vars);
3777
}
3778
3779
static elink_status_t elink_eee_disable(struct elink_phy *phy,
3780
struct elink_params *params,
3781
struct elink_vars *vars)
3782
{
3783
struct bxe_softc *sc = params->sc;
3784
3785
/* Make Certain LPI is disabled */
3786
REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
3787
3788
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
3789
3790
vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3791
3792
return ELINK_STATUS_OK;
3793
}
3794
3795
static elink_status_t elink_eee_advertise(struct elink_phy *phy,
3796
struct elink_params *params,
3797
struct elink_vars *vars, uint8_t modes)
3798
{
3799
struct bxe_softc *sc = params->sc;
3800
uint16_t val = 0;
3801
3802
/* Mask events preventing LPI generation */
3803
REG_WR(sc, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
3804
3805
if (modes & SHMEM_EEE_10G_ADV) {
3806
ELINK_DEBUG_P0(sc, "Advertise 10GBase-T EEE\n");
3807
val |= 0x8;
3808
}
3809
if (modes & SHMEM_EEE_1G_ADV) {
3810
ELINK_DEBUG_P0(sc, "Advertise 1GBase-T EEE\n");
3811
val |= 0x4;
3812
}
3813
3814
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
3815
3816
vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
3817
vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
3818
3819
return ELINK_STATUS_OK;
3820
}
3821
3822
static void elink_update_mng_eee(struct elink_params *params, uint32_t eee_status)
3823
{
3824
struct bxe_softc *sc = params->sc;
3825
3826
if (elink_eee_has_cap(params))
3827
REG_WR(sc, params->shmem2_base +
3828
offsetof(struct shmem2_region,
3829
eee_status[params->port]), eee_status);
3830
}
3831
3832
static void elink_eee_an_resolve(struct elink_phy *phy,
3833
struct elink_params *params,
3834
struct elink_vars *vars)
3835
{
3836
struct bxe_softc *sc = params->sc;
3837
uint16_t adv = 0, lp = 0;
3838
uint32_t lp_adv = 0;
3839
uint8_t neg = 0;
3840
3841
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
3842
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
3843
3844
if (lp & 0x2) {
3845
lp_adv |= SHMEM_EEE_100M_ADV;
3846
if (adv & 0x2) {
3847
if (vars->line_speed == ELINK_SPEED_100)
3848
neg = 1;
3849
ELINK_DEBUG_P0(sc, "EEE negotiated - 100M\n");
3850
}
3851
}
3852
if (lp & 0x14) {
3853
lp_adv |= SHMEM_EEE_1G_ADV;
3854
if (adv & 0x14) {
3855
if (vars->line_speed == ELINK_SPEED_1000)
3856
neg = 1;
3857
ELINK_DEBUG_P0(sc, "EEE negotiated - 1G\n");
3858
}
3859
}
3860
if (lp & 0x68) {
3861
lp_adv |= SHMEM_EEE_10G_ADV;
3862
if (adv & 0x68) {
3863
if (vars->line_speed == ELINK_SPEED_10000)
3864
neg = 1;
3865
ELINK_DEBUG_P0(sc, "EEE negotiated - 10G\n");
3866
}
3867
}
3868
3869
vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
3870
vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
3871
3872
if (neg) {
3873
ELINK_DEBUG_P0(sc, "EEE is active\n");
3874
vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
3875
}
3876
}
3877
3878
/******************************************************************/
3879
/* BSC access functions from E3 */
3880
/******************************************************************/
3881
static void elink_bsc_module_sel(struct elink_params *params)
3882
{
3883
int idx;
3884
uint32_t board_cfg, sfp_ctrl;
3885
uint32_t i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
3886
struct bxe_softc *sc = params->sc;
3887
uint8_t port = params->port;
3888
/* Read I2C output PINs */
3889
board_cfg = REG_RD(sc, params->shmem_base +
3890
offsetof(struct shmem_region,
3891
dev_info.shared_hw_config.board));
3892
i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
3893
i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
3894
SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
3895
3896
/* Read I2C output value */
3897
sfp_ctrl = REG_RD(sc, params->shmem_base +
3898
offsetof(struct shmem_region,
3899
dev_info.port_hw_config[port].e3_cmn_pin_cfg));
3900
i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
3901
i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
3902
ELINK_DEBUG_P0(sc, "Setting BSC switch\n");
3903
for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
3904
elink_set_cfg_pin(sc, i2c_pins[idx], i2c_val[idx]);
3905
}
3906
3907
static elink_status_t elink_bsc_read(struct bxe_softc *sc,
3908
uint8_t sl_devid,
3909
uint16_t sl_addr,
3910
uint8_t lc_addr,
3911
uint8_t xfer_cnt,
3912
uint32_t *data_array)
3913
{
3914
uint32_t val, i;
3915
elink_status_t rc = ELINK_STATUS_OK;
3916
3917
if (xfer_cnt > 16) {
3918
ELINK_DEBUG_P1(sc, "invalid xfer_cnt %d. Max is 16 bytes\n",
3919
xfer_cnt);
3920
return ELINK_STATUS_ERROR;
3921
}
3922
3923
xfer_cnt = 16 - lc_addr;
3924
3925
/* Enable the engine */
3926
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3927
val |= MCPR_IMC_COMMAND_ENABLE;
3928
REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3929
3930
/* Program slave device ID */
3931
val = (sl_devid << 16) | sl_addr;
3932
REG_WR(sc, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
3933
3934
/* Start xfer with 0 byte to update the address pointer ???*/
3935
val = (MCPR_IMC_COMMAND_ENABLE) |
3936
(MCPR_IMC_COMMAND_WRITE_OP <<
3937
MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3938
(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
3939
REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3940
3941
/* Poll for completion */
3942
i = 0;
3943
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3944
while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3945
DELAY(10);
3946
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3947
if (i++ > 1000) {
3948
ELINK_DEBUG_P1(sc, "wr 0 byte timed out after %d try\n",
3949
i);
3950
rc = ELINK_STATUS_TIMEOUT;
3951
break;
3952
}
3953
}
3954
if (rc == ELINK_STATUS_TIMEOUT)
3955
return rc;
3956
3957
/* Start xfer with read op */
3958
val = (MCPR_IMC_COMMAND_ENABLE) |
3959
(MCPR_IMC_COMMAND_READ_OP <<
3960
MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
3961
(lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
3962
(xfer_cnt);
3963
REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val);
3964
3965
/* Poll for completion */
3966
i = 0;
3967
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3968
while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
3969
DELAY(10);
3970
val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND);
3971
if (i++ > 1000) {
3972
ELINK_DEBUG_P1(sc, "rd op timed out after %d try\n", i);
3973
rc = ELINK_STATUS_TIMEOUT;
3974
break;
3975
}
3976
}
3977
if (rc == ELINK_STATUS_TIMEOUT)
3978
return rc;
3979
3980
for (i = (lc_addr >> 2); i < 4; i++) {
3981
data_array[i] = REG_RD(sc, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
3982
#ifdef __BIG_ENDIAN
3983
data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
3984
((data_array[i] & 0x0000ff00) << 8) |
3985
((data_array[i] & 0x00ff0000) >> 8) |
3986
((data_array[i] & 0xff000000) >> 24);
3987
#endif
3988
}
3989
return rc;
3990
}
3991
3992
static void elink_cl45_read_or_write(struct bxe_softc *sc, struct elink_phy *phy,
3993
uint8_t devad, uint16_t reg, uint16_t or_val)
3994
{
3995
uint16_t val;
3996
elink_cl45_read(sc, phy, devad, reg, &val);
3997
elink_cl45_write(sc, phy, devad, reg, val | or_val);
3998
}
3999
4000
static void elink_cl45_read_and_write(struct bxe_softc *sc,
4001
struct elink_phy *phy,
4002
uint8_t devad, uint16_t reg, uint16_t and_val)
4003
{
4004
uint16_t val;
4005
elink_cl45_read(sc, phy, devad, reg, &val);
4006
elink_cl45_write(sc, phy, devad, reg, val & and_val);
4007
}
4008
4009
elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr,
4010
uint8_t devad, uint16_t reg, uint16_t *ret_val)
4011
{
4012
uint8_t phy_index;
4013
/* Probe for the phy according to the given phy_addr, and execute
4014
* the read request on it
4015
*/
4016
for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
4017
if (params->phy[phy_index].addr == phy_addr) {
4018
return elink_cl45_read(params->sc,
4019
&params->phy[phy_index], devad,
4020
reg, ret_val);
4021
}
4022
}
4023
return ELINK_STATUS_ERROR;
4024
}
4025
4026
elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr,
4027
uint8_t devad, uint16_t reg, uint16_t val)
4028
{
4029
uint8_t phy_index;
4030
/* Probe for the phy according to the given phy_addr, and execute
4031
* the write request on it
4032
*/
4033
for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
4034
if (params->phy[phy_index].addr == phy_addr) {
4035
return elink_cl45_write(params->sc,
4036
&params->phy[phy_index], devad,
4037
reg, val);
4038
}
4039
}
4040
return ELINK_STATUS_ERROR;
4041
}
4042
4043
static uint8_t elink_get_warpcore_lane(struct elink_phy *phy,
4044
struct elink_params *params)
4045
{
4046
uint8_t lane = 0;
4047
struct bxe_softc *sc = params->sc;
4048
uint32_t path_swap, path_swap_ovr;
4049
uint8_t path, port;
4050
4051
path = SC_PATH(sc);
4052
port = params->port;
4053
4054
if (elink_is_4_port_mode(sc)) {
4055
uint32_t port_swap, port_swap_ovr;
4056
4057
/* Figure out path swap value */
4058
path_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
4059
if (path_swap_ovr & 0x1)
4060
path_swap = (path_swap_ovr & 0x2);
4061
else
4062
path_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP);
4063
4064
if (path_swap)
4065
path = path ^ 1;
4066
4067
/* Figure out port swap value */
4068
port_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
4069
if (port_swap_ovr & 0x1)
4070
port_swap = (port_swap_ovr & 0x2);
4071
else
4072
port_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP);
4073
4074
if (port_swap)
4075
port = port ^ 1;
4076
4077
lane = (port<<1) + path;
4078
} else { /* Two port mode - no port swap */
4079
4080
/* Figure out path swap value */
4081
path_swap_ovr =
4082
REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
4083
if (path_swap_ovr & 0x1) {
4084
path_swap = (path_swap_ovr & 0x2);
4085
} else {
4086
path_swap =
4087
REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP);
4088
}
4089
if (path_swap)
4090
path = path ^ 1;
4091
4092
lane = path << 1 ;
4093
}
4094
return lane;
4095
}
4096
4097
4098
static void elink_set_aer_mmd(struct elink_params *params,
4099
struct elink_phy *phy)
4100
{
4101
uint32_t ser_lane;
4102
uint16_t offset, aer_val;
4103
struct bxe_softc *sc = params->sc;
4104
ser_lane = ((params->lane_config &
4105
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4106
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4107
4108
offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
4109
(phy->addr + ser_lane) : 0;
4110
4111
if (USES_WARPCORE(sc)) {
4112
aer_val = elink_get_warpcore_lane(phy, params);
4113
/* In Dual-lane mode, two lanes are joined together,
4114
* so in order to configure them, the AER broadcast method is
4115
* used here.
4116
* 0x200 is the broadcast address for lanes 0,1
4117
* 0x201 is the broadcast address for lanes 2,3
4118
*/
4119
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4120
aer_val = (aer_val >> 1) | 0x200;
4121
} else if (CHIP_IS_E2(sc))
4122
aer_val = 0x3800 + offset - 1;
4123
else
4124
aer_val = 0x3800 + offset;
4125
4126
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4127
MDIO_AER_BLOCK_AER_REG, aer_val);
4128
4129
}
4130
4131
/******************************************************************/
4132
/* Internal phy section */
4133
/******************************************************************/
4134
4135
static void elink_set_serdes_access(struct bxe_softc *sc, uint8_t port)
4136
{
4137
uint32_t emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
4138
4139
/* Set Clause 22 */
4140
REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
4141
REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
4142
DELAY(500);
4143
REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
4144
DELAY(500);
4145
/* Set Clause 45 */
4146
REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
4147
}
4148
4149
static void elink_serdes_deassert(struct bxe_softc *sc, uint8_t port)
4150
{
4151
uint32_t val;
4152
4153
ELINK_DEBUG_P0(sc, "elink_serdes_deassert\n");
4154
4155
val = ELINK_SERDES_RESET_BITS << (port*16);
4156
4157
/* Reset and unreset the SerDes/XGXS */
4158
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
4159
DELAY(500);
4160
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
4161
4162
elink_set_serdes_access(sc, port);
4163
4164
REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
4165
ELINK_DEFAULT_PHY_DEV_ADDR);
4166
}
4167
4168
static void elink_xgxs_specific_func(struct elink_phy *phy,
4169
struct elink_params *params,
4170
uint32_t action)
4171
{
4172
struct bxe_softc *sc = params->sc;
4173
switch (action) {
4174
case ELINK_PHY_INIT:
4175
/* Set correct devad */
4176
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
4177
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
4178
phy->def_md_devad);
4179
break;
4180
}
4181
}
4182
4183
static void elink_xgxs_deassert(struct elink_params *params)
4184
{
4185
struct bxe_softc *sc = params->sc;
4186
uint8_t port;
4187
uint32_t val;
4188
ELINK_DEBUG_P0(sc, "elink_xgxs_deassert\n");
4189
port = params->port;
4190
4191
val = ELINK_XGXS_RESET_BITS << (port*16);
4192
4193
/* Reset and unreset the SerDes/XGXS */
4194
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
4195
DELAY(500);
4196
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
4197
elink_xgxs_specific_func(&params->phy[ELINK_INT_PHY], params,
4198
ELINK_PHY_INIT);
4199
}
4200
4201
static void elink_calc_ieee_aneg_adv(struct elink_phy *phy,
4202
struct elink_params *params, uint16_t *ieee_fc)
4203
{
4204
struct bxe_softc *sc = params->sc;
4205
*ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
4206
/* Resolve pause mode and advertisement Please refer to Table
4207
* 28B-3 of the 802.3ab-1999 spec
4208
*/
4209
4210
switch (phy->req_flow_ctrl) {
4211
case ELINK_FLOW_CTRL_AUTO:
4212
switch (params->req_fc_auto_adv) {
4213
case ELINK_FLOW_CTRL_BOTH:
4214
case ELINK_FLOW_CTRL_RX:
4215
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4216
break;
4217
case ELINK_FLOW_CTRL_TX:
4218
*ieee_fc |=
4219
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4220
break;
4221
default:
4222
break;
4223
}
4224
break;
4225
case ELINK_FLOW_CTRL_TX:
4226
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
4227
break;
4228
4229
case ELINK_FLOW_CTRL_RX:
4230
case ELINK_FLOW_CTRL_BOTH:
4231
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
4232
break;
4233
4234
case ELINK_FLOW_CTRL_NONE:
4235
default:
4236
*ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
4237
break;
4238
}
4239
ELINK_DEBUG_P1(sc, "ieee_fc = 0x%x\n", *ieee_fc);
4240
}
4241
4242
static void set_phy_vars(struct elink_params *params,
4243
struct elink_vars *vars)
4244
{
4245
struct bxe_softc *sc = params->sc;
4246
uint8_t actual_phy_idx, phy_index, link_cfg_idx;
4247
uint8_t phy_config_swapped = params->multi_phy_config &
4248
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
4249
for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
4250
phy_index++) {
4251
link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index);
4252
actual_phy_idx = phy_index;
4253
if (phy_config_swapped) {
4254
if (phy_index == ELINK_EXT_PHY1)
4255
actual_phy_idx = ELINK_EXT_PHY2;
4256
else if (phy_index == ELINK_EXT_PHY2)
4257
actual_phy_idx = ELINK_EXT_PHY1;
4258
}
4259
params->phy[actual_phy_idx].req_flow_ctrl =
4260
params->req_flow_ctrl[link_cfg_idx];
4261
4262
params->phy[actual_phy_idx].req_line_speed =
4263
params->req_line_speed[link_cfg_idx];
4264
4265
params->phy[actual_phy_idx].speed_cap_mask =
4266
params->speed_cap_mask[link_cfg_idx];
4267
4268
params->phy[actual_phy_idx].req_duplex =
4269
params->req_duplex[link_cfg_idx];
4270
4271
if (params->req_line_speed[link_cfg_idx] ==
4272
ELINK_SPEED_AUTO_NEG)
4273
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
4274
4275
ELINK_DEBUG_P3(sc, "req_flow_ctrl %x, req_line_speed %x,"
4276
" speed_cap_mask %x\n",
4277
params->phy[actual_phy_idx].req_flow_ctrl,
4278
params->phy[actual_phy_idx].req_line_speed,
4279
params->phy[actual_phy_idx].speed_cap_mask);
4280
}
4281
}
4282
4283
static void elink_ext_phy_set_pause(struct elink_params *params,
4284
struct elink_phy *phy,
4285
struct elink_vars *vars)
4286
{
4287
uint16_t val;
4288
struct bxe_softc *sc = params->sc;
4289
/* Read modify write pause advertizing */
4290
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
4291
4292
val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
4293
4294
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
4295
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
4296
if ((vars->ieee_fc &
4297
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
4298
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
4299
val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
4300
}
4301
if ((vars->ieee_fc &
4302
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
4303
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
4304
val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
4305
}
4306
ELINK_DEBUG_P1(sc, "Ext phy AN advertize 0x%x\n", val);
4307
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
4308
}
4309
4310
static void elink_pause_resolve(struct elink_phy *phy,
4311
struct elink_params *params,
4312
struct elink_vars *vars,
4313
uint32_t pause_result)
4314
{
4315
struct bxe_softc *sc = params->sc;
4316
/* LD LP */
4317
switch (pause_result) { /* ASYM P ASYM P */
4318
case 0xb: /* 1 0 1 1 */
4319
ELINK_DEBUG_P0(sc, "Flow Control: TX only\n");
4320
vars->flow_ctrl = ELINK_FLOW_CTRL_TX;
4321
break;
4322
4323
case 0xe: /* 1 1 1 0 */
4324
ELINK_DEBUG_P0(sc, "Flow Control: RX only\n");
4325
vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
4326
break;
4327
4328
case 0x5: /* 0 1 0 1 */
4329
case 0x7: /* 0 1 1 1 */
4330
case 0xd: /* 1 1 0 1 */
4331
case 0xf: /* 1 1 1 1 */
4332
/* If the user selected to advertise RX ONLY,
4333
* although we advertised both, need to enable
4334
* RX only.
4335
*/
4336
4337
if (params->req_fc_auto_adv == ELINK_FLOW_CTRL_BOTH) {
4338
ELINK_DEBUG_P0(sc, "Flow Control: RX & TX\n");
4339
vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH;
4340
} else {
4341
ELINK_DEBUG_P0(sc, "Flow Control: RX only\n");
4342
vars->flow_ctrl = ELINK_FLOW_CTRL_RX;
4343
}
4344
break;
4345
default:
4346
ELINK_DEBUG_P0(sc, "Flow Control: None\n");
4347
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
4348
break;
4349
}
4350
if (pause_result & (1<<0))
4351
vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
4352
if (pause_result & (1<<1))
4353
vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
4354
4355
}
4356
4357
static void elink_ext_phy_update_adv_fc(struct elink_phy *phy,
4358
struct elink_params *params,
4359
struct elink_vars *vars)
4360
{
4361
uint16_t ld_pause; /* local */
4362
uint16_t lp_pause; /* link partner */
4363
uint16_t pause_result;
4364
struct bxe_softc *sc = params->sc;
4365
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
4366
elink_cl22_read(sc, phy, 0x4, &ld_pause);
4367
elink_cl22_read(sc, phy, 0x5, &lp_pause);
4368
} else if (CHIP_IS_E3(sc) &&
4369
ELINK_SINGLE_MEDIA_DIRECT(params)) {
4370
uint8_t lane = elink_get_warpcore_lane(phy, params);
4371
uint16_t gp_status, gp_mask;
4372
elink_cl45_read(sc, phy,
4373
MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
4374
&gp_status);
4375
gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
4376
MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
4377
lane;
4378
if ((gp_status & gp_mask) == gp_mask) {
4379
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4380
MDIO_AN_REG_ADV_PAUSE, &ld_pause);
4381
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4382
MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
4383
} else {
4384
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4385
MDIO_AN_REG_CL37_FC_LD, &ld_pause);
4386
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
4387
MDIO_AN_REG_CL37_FC_LP, &lp_pause);
4388
ld_pause = ((ld_pause &
4389
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
4390
<< 3);
4391
lp_pause = ((lp_pause &
4392
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
4393
<< 3);
4394
}
4395
} else {
4396
elink_cl45_read(sc, phy,
4397
MDIO_AN_DEVAD,
4398
MDIO_AN_REG_ADV_PAUSE, &ld_pause);
4399
elink_cl45_read(sc, phy,
4400
MDIO_AN_DEVAD,
4401
MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
4402
}
4403
pause_result = (ld_pause &
4404
MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
4405
pause_result |= (lp_pause &
4406
MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
4407
ELINK_DEBUG_P1(sc, "Ext PHY pause result 0x%x\n", pause_result);
4408
elink_pause_resolve(phy, params, vars, pause_result);
4409
4410
}
4411
4412
static uint8_t elink_ext_phy_resolve_fc(struct elink_phy *phy,
4413
struct elink_params *params,
4414
struct elink_vars *vars)
4415
{
4416
uint8_t ret = 0;
4417
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
4418
if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
4419
/* Update the advertised flow-controlled of LD/LP in AN */
4420
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
4421
elink_ext_phy_update_adv_fc(phy, params, vars);
4422
/* But set the flow-control result as the requested one */
4423
vars->flow_ctrl = phy->req_flow_ctrl;
4424
} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
4425
vars->flow_ctrl = params->req_fc_auto_adv;
4426
else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
4427
ret = 1;
4428
elink_ext_phy_update_adv_fc(phy, params, vars);
4429
}
4430
return ret;
4431
}
4432
/******************************************************************/
4433
/* Warpcore section */
4434
/******************************************************************/
4435
/* The init_internal_warpcore should mirror the xgxs,
4436
* i.e. reset the lane (if needed), set aer for the
4437
* init configuration, and set/clear SGMII flag. Internal
4438
* phy init is done purely in phy_init stage.
4439
*/
4440
#define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
4441
((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
4442
(idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
4443
(ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
4444
(ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
4445
4446
#define WC_TX_FIR(post, main, pre) \
4447
((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
4448
(main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
4449
(pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
4450
4451
static void elink_update_link_attr(struct elink_params *params, uint32_t link_attr)
4452
{
4453
struct bxe_softc *sc = params->sc;
4454
4455
if (SHMEM2_HAS(sc, link_attr_sync))
4456
REG_WR(sc, params->shmem2_base +
4457
offsetof(struct shmem2_region,
4458
link_attr_sync[params->port]), link_attr);
4459
}
4460
4461
static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy,
4462
struct elink_params *params,
4463
struct elink_vars *vars)
4464
{
4465
struct bxe_softc *sc = params->sc;
4466
uint16_t i;
4467
static struct elink_reg_set reg_set[] = {
4468
/* Step 1 - Program the TX/RX alignment markers */
4469
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
4470
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
4471
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
4472
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
4473
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
4474
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
4475
/* Step 2 - Configure the NP registers */
4476
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
4477
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
4478
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
4479
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
4480
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
4481
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
4482
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
4483
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
4484
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
4485
};
4486
ELINK_DEBUG_P0(sc, "Enabling 20G-KR2\n");
4487
4488
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4489
MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
4490
4491
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4492
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4493
reg_set[i].val);
4494
4495
/* Start KR2 work-around timer which handles BCM8073 link-parner */
4496
params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
4497
elink_update_link_attr(params, params->link_attr_sync);
4498
}
4499
4500
static void elink_disable_kr2(struct elink_params *params,
4501
struct elink_vars *vars,
4502
struct elink_phy *phy)
4503
{
4504
struct bxe_softc *sc = params->sc;
4505
int i;
4506
static struct elink_reg_set reg_set[] = {
4507
/* Step 1 - Program the TX/RX alignment markers */
4508
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
4509
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
4510
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
4511
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
4512
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
4513
{MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
4514
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
4515
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
4516
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
4517
{MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
4518
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
4519
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
4520
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
4521
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
4522
{MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
4523
};
4524
ELINK_DEBUG_P0(sc, "Disabling 20G-KR2\n");
4525
4526
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4527
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4528
reg_set[i].val);
4529
params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
4530
elink_update_link_attr(params, params->link_attr_sync);
4531
4532
vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT;
4533
}
4534
4535
static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy,
4536
struct elink_params *params)
4537
{
4538
struct bxe_softc *sc = params->sc;
4539
4540
ELINK_DEBUG_P0(sc, "Configure WC for LPI pass through\n");
4541
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4542
MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
4543
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4544
MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
4545
}
4546
4547
static void elink_warpcore_restart_AN_KR(struct elink_phy *phy,
4548
struct elink_params *params)
4549
{
4550
/* Restart autoneg on the leading lane only */
4551
struct bxe_softc *sc = params->sc;
4552
uint16_t lane = elink_get_warpcore_lane(phy, params);
4553
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4554
MDIO_AER_BLOCK_AER_REG, lane);
4555
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4556
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
4557
4558
/* Restore AER */
4559
elink_set_aer_mmd(params, phy);
4560
}
4561
4562
static void elink_warpcore_enable_AN_KR(struct elink_phy *phy,
4563
struct elink_params *params,
4564
struct elink_vars *vars) {
4565
uint16_t lane, i, cl72_ctrl, an_adv = 0, val;
4566
uint32_t wc_lane_config;
4567
struct bxe_softc *sc = params->sc;
4568
static struct elink_reg_set reg_set[] = {
4569
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4570
{MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
4571
{MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
4572
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
4573
/* Disable Autoneg: re-enable it after adv is done. */
4574
{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
4575
{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
4576
{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
4577
};
4578
ELINK_DEBUG_P0(sc, "Enable Auto Negotiation for KR\n");
4579
/* Set to default registers that may be overridden by 10G force */
4580
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4581
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4582
reg_set[i].val);
4583
4584
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4585
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
4586
cl72_ctrl &= 0x08ff;
4587
cl72_ctrl |= 0x3800;
4588
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4589
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
4590
4591
/* Check adding advertisement for 1G KX */
4592
if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4593
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
4594
(vars->line_speed == ELINK_SPEED_1000)) {
4595
uint16_t addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
4596
an_adv |= (1<<5);
4597
4598
/* Enable CL37 1G Parallel Detect */
4599
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, addr, 0x1);
4600
ELINK_DEBUG_P0(sc, "Advertize 1G\n");
4601
}
4602
if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) &&
4603
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
4604
(vars->line_speed == ELINK_SPEED_10000)) {
4605
/* Check adding advertisement for 10G KR */
4606
an_adv |= (1<<7);
4607
/* Enable 10G Parallel Detect */
4608
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4609
MDIO_AER_BLOCK_AER_REG, 0);
4610
4611
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4612
MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
4613
elink_set_aer_mmd(params, phy);
4614
ELINK_DEBUG_P0(sc, "Advertize 10G\n");
4615
}
4616
4617
/* Set Transmit PMD settings */
4618
lane = elink_get_warpcore_lane(phy, params);
4619
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4620
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4621
WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
4622
/* Configure the next lane if dual mode */
4623
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
4624
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4625
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
4626
WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
4627
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4628
MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
4629
0x03f0);
4630
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4631
MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
4632
0x03f0);
4633
4634
/* Advertised speeds */
4635
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4636
MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
4637
4638
/* Advertised and set FEC (Forward Error Correction) */
4639
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4640
MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
4641
(MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
4642
MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
4643
4644
/* Enable CL37 BAM */
4645
if (REG_RD(sc, params->shmem_base +
4646
offsetof(struct shmem_region, dev_info.
4647
port_hw_config[params->port].default_cfg)) &
4648
PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
4649
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4650
MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
4651
1);
4652
ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n");
4653
}
4654
4655
/* Advertise pause */
4656
elink_ext_phy_set_pause(params, phy, vars);
4657
vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
4658
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4659
MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
4660
4661
/* Over 1G - AN local device user page 1 */
4662
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4663
MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
4664
4665
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
4666
(phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
4667
(phy->req_line_speed == ELINK_SPEED_20000)) {
4668
4669
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4670
MDIO_AER_BLOCK_AER_REG, lane);
4671
4672
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4673
MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
4674
(1<<11));
4675
4676
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4677
MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
4678
elink_set_aer_mmd(params, phy);
4679
4680
elink_warpcore_enable_AN_KR2(phy, params, vars);
4681
} else {
4682
/* Enable Auto-Detect to support 1G over CL37 as well */
4683
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4684
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
4685
wc_lane_config = REG_RD(sc, params->shmem_base +
4686
offsetof(struct shmem_region, dev_info.
4687
shared_hw_config.wc_lane_config));
4688
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4689
MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
4690
/* Force cl48 sync_status LOW to avoid getting stuck in CL73
4691
* parallel-detect loop when CL73 and CL37 are enabled.
4692
*/
4693
val |= 1 << 11;
4694
4695
/* Restore Polarity settings in case it was run over by
4696
* previous link owner
4697
*/
4698
if (wc_lane_config &
4699
(SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
4700
val |= 3 << 2;
4701
else
4702
val &= ~(3 << 2);
4703
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4704
MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
4705
val);
4706
4707
elink_disable_kr2(params, vars, phy);
4708
}
4709
4710
/* Enable Autoneg: only on the main lane */
4711
elink_warpcore_restart_AN_KR(phy, params);
4712
}
4713
4714
static void elink_warpcore_set_10G_KR(struct elink_phy *phy,
4715
struct elink_params *params,
4716
struct elink_vars *vars)
4717
{
4718
struct bxe_softc *sc = params->sc;
4719
uint16_t val16, i, lane;
4720
static struct elink_reg_set reg_set[] = {
4721
/* Disable Autoneg */
4722
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
4723
{MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
4724
0x3f00},
4725
{MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
4726
{MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
4727
{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
4728
{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
4729
/* Leave cl72 training enable, needed for KR */
4730
{MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
4731
};
4732
4733
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
4734
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
4735
reg_set[i].val);
4736
4737
lane = elink_get_warpcore_lane(phy, params);
4738
/* Global registers */
4739
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4740
MDIO_AER_BLOCK_AER_REG, 0);
4741
/* Disable CL36 PCS Tx */
4742
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4743
MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
4744
val16 &= ~(0x0011 << lane);
4745
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4746
MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
4747
4748
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4749
MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
4750
val16 |= (0x0303 << (lane << 1));
4751
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4752
MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
4753
/* Restore AER */
4754
elink_set_aer_mmd(params, phy);
4755
/* Set speed via PMA/PMD register */
4756
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
4757
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
4758
4759
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD,
4760
MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
4761
4762
/* Enable encoded forced speed */
4763
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4764
MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
4765
4766
/* Turn TX scramble payload only the 64/66 scrambler */
4767
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4768
MDIO_WC_REG_TX66_CONTROL, 0x9);
4769
4770
/* Turn RX scramble payload only the 64/66 scrambler */
4771
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4772
MDIO_WC_REG_RX66_CONTROL, 0xF9);
4773
4774
/* Set and clear loopback to cause a reset to 64/66 decoder */
4775
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4776
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
4777
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4778
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
4779
4780
}
4781
4782
static void elink_warpcore_set_10G_XFI(struct elink_phy *phy,
4783
struct elink_params *params,
4784
uint8_t is_xfi)
4785
{
4786
struct bxe_softc *sc = params->sc;
4787
uint16_t misc1_val, tap_val, tx_driver_val, lane, val;
4788
uint32_t cfg_tap_val, tx_drv_brdct, tx_equal;
4789
uint32_t ifir_val, ipost2_val, ipre_driver_val;
4790
/* Hold rxSeqStart */
4791
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4792
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
4793
4794
/* Hold tx_fifo_reset */
4795
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4796
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
4797
4798
/* Disable CL73 AN */
4799
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
4800
4801
/* Disable 100FX Enable and Auto-Detect */
4802
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4803
MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
4804
4805
/* Disable 100FX Idle detect */
4806
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4807
MDIO_WC_REG_FX100_CTRL3, 0x0080);
4808
4809
/* Set Block address to Remote PHY & Clear forced_speed[5] */
4810
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4811
MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
4812
4813
/* Turn off auto-detect & fiber mode */
4814
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4815
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
4816
0xFFEE);
4817
4818
/* Set filter_force_link, disable_false_link and parallel_detect */
4819
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4820
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
4821
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4822
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
4823
((val | 0x0006) & 0xFFFE));
4824
4825
/* Set XFI / SFI */
4826
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4827
MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
4828
4829
misc1_val &= ~(0x1f);
4830
4831
if (is_xfi) {
4832
misc1_val |= 0x5;
4833
tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
4834
tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
4835
} else {
4836
cfg_tap_val = REG_RD(sc, params->shmem_base +
4837
offsetof(struct shmem_region, dev_info.
4838
port_hw_config[params->port].
4839
sfi_tap_values));
4840
4841
tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
4842
4843
misc1_val |= 0x9;
4844
4845
/* TAP values are controlled by nvram, if value there isn't 0 */
4846
if (tx_equal)
4847
tap_val = (uint16_t)tx_equal;
4848
else
4849
tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
4850
4851
ifir_val = DEFAULT_TX_DRV_IFIR;
4852
ipost2_val = DEFAULT_TX_DRV_POST2;
4853
ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
4854
tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
4855
4856
/* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
4857
* configuration.
4858
*/
4859
if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
4860
PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
4861
PORT_HW_CFG_TX_DRV_POST2_MASK)) {
4862
ifir_val = (cfg_tap_val &
4863
PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
4864
PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
4865
ipre_driver_val = (cfg_tap_val &
4866
PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
4867
>> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
4868
ipost2_val = (cfg_tap_val &
4869
PORT_HW_CFG_TX_DRV_POST2_MASK) >>
4870
PORT_HW_CFG_TX_DRV_POST2_SHIFT;
4871
}
4872
4873
if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
4874
tx_drv_brdct = (cfg_tap_val &
4875
PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
4876
PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
4877
}
4878
4879
tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
4880
ipre_driver_val, ifir_val);
4881
}
4882
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4883
MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
4884
4885
/* Set Transmit PMD settings */
4886
lane = elink_get_warpcore_lane(phy, params);
4887
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4888
MDIO_WC_REG_TX_FIR_TAP,
4889
tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
4890
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4891
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
4892
tx_driver_val);
4893
4894
/* Enable fiber mode, enable and invert sig_det */
4895
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4896
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
4897
4898
/* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
4899
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4900
MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
4901
4902
elink_warpcore_set_lpi_passthrough(phy, params);
4903
4904
/* 10G XFI Full Duplex */
4905
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4906
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
4907
4908
/* Release tx_fifo_reset */
4909
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4910
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
4911
0xFFFE);
4912
/* Release rxSeqStart */
4913
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4914
MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
4915
}
4916
4917
static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy,
4918
struct elink_params *params)
4919
{
4920
uint16_t val;
4921
struct bxe_softc *sc = params->sc;
4922
/* Set global registers, so set AER lane to 0 */
4923
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4924
MDIO_AER_BLOCK_AER_REG, 0);
4925
4926
/* Disable sequencer */
4927
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
4928
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
4929
4930
elink_set_aer_mmd(params, phy);
4931
4932
elink_cl45_read_and_write(sc, phy, MDIO_PMA_DEVAD,
4933
MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
4934
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
4935
MDIO_AN_REG_CTRL, 0);
4936
/* Turn off CL73 */
4937
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4938
MDIO_WC_REG_CL73_USERB0_CTRL, &val);
4939
val &= ~(1<<5);
4940
val |= (1<<6);
4941
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4942
MDIO_WC_REG_CL73_USERB0_CTRL, val);
4943
4944
/* Set 20G KR2 force speed */
4945
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4946
MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
4947
4948
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4949
MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
4950
4951
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
4952
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
4953
val &= ~(3<<14);
4954
val |= (1<<15);
4955
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4956
MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
4957
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4958
MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
4959
4960
/* Enable sequencer (over lane 0) */
4961
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
4962
MDIO_AER_BLOCK_AER_REG, 0);
4963
4964
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
4965
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
4966
4967
elink_set_aer_mmd(params, phy);
4968
}
4969
4970
static void elink_warpcore_set_20G_DXGXS(struct bxe_softc *sc,
4971
struct elink_phy *phy,
4972
uint16_t lane)
4973
{
4974
/* Rx0 anaRxControl1G */
4975
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4976
MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
4977
4978
/* Rx2 anaRxControl1G */
4979
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4980
MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
4981
4982
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4983
MDIO_WC_REG_RX66_SCW0, 0xE070);
4984
4985
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4986
MDIO_WC_REG_RX66_SCW1, 0xC0D0);
4987
4988
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4989
MDIO_WC_REG_RX66_SCW2, 0xA0B0);
4990
4991
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4992
MDIO_WC_REG_RX66_SCW3, 0x8090);
4993
4994
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4995
MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
4996
4997
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
4998
MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
4999
5000
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5001
MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
5002
5003
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5004
MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
5005
5006
/* Serdes Digital Misc1 */
5007
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5008
MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
5009
5010
/* Serdes Digital4 Misc3 */
5011
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5012
MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
5013
5014
/* Set Transmit PMD settings */
5015
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5016
MDIO_WC_REG_TX_FIR_TAP,
5017
(WC_TX_FIR(0x12, 0x2d, 0x00) |
5018
MDIO_WC_REG_TX_FIR_TAP_ENABLE));
5019
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5020
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
5021
WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
5022
}
5023
5024
static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy,
5025
struct elink_params *params,
5026
uint8_t fiber_mode,
5027
uint8_t always_autoneg)
5028
{
5029
struct bxe_softc *sc = params->sc;
5030
uint16_t val16, digctrl_kx1, digctrl_kx2;
5031
5032
/* Clear XFI clock comp in non-10G single lane mode. */
5033
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5034
MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
5035
5036
elink_warpcore_set_lpi_passthrough(phy, params);
5037
5038
if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
5039
/* SGMII Autoneg */
5040
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5041
MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
5042
0x1000);
5043
ELINK_DEBUG_P0(sc, "set SGMII AUTONEG\n");
5044
} else {
5045
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5046
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
5047
val16 &= 0xcebf;
5048
switch (phy->req_line_speed) {
5049
case ELINK_SPEED_10:
5050
break;
5051
case ELINK_SPEED_100:
5052
val16 |= 0x2000;
5053
break;
5054
case ELINK_SPEED_1000:
5055
val16 |= 0x0040;
5056
break;
5057
default:
5058
ELINK_DEBUG_P1(sc,
5059
"Speed not supported: 0x%x\n", phy->req_line_speed);
5060
return;
5061
}
5062
5063
if (phy->req_duplex == DUPLEX_FULL)
5064
val16 |= 0x0100;
5065
5066
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5067
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
5068
5069
ELINK_DEBUG_P1(sc, "set SGMII force speed %d\n",
5070
phy->req_line_speed);
5071
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5072
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
5073
ELINK_DEBUG_P1(sc, " (readback) %x\n", val16);
5074
}
5075
5076
/* SGMII Slave mode and disable signal detect */
5077
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5078
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
5079
if (fiber_mode)
5080
digctrl_kx1 = 1;
5081
else
5082
digctrl_kx1 &= 0xff4a;
5083
5084
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5085
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5086
digctrl_kx1);
5087
5088
/* Turn off parallel detect */
5089
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5090
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
5091
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5092
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5093
(digctrl_kx2 & ~(1<<2)));
5094
5095
/* Re-enable parallel detect */
5096
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5097
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5098
(digctrl_kx2 | (1<<2)));
5099
5100
/* Enable autodet */
5101
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5102
MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5103
(digctrl_kx1 | 0x10));
5104
}
5105
5106
5107
static void elink_warpcore_reset_lane(struct bxe_softc *sc,
5108
struct elink_phy *phy,
5109
uint8_t reset)
5110
{
5111
uint16_t val;
5112
/* Take lane out of reset after configuration is finished */
5113
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5114
MDIO_WC_REG_DIGITAL5_MISC6, &val);
5115
if (reset)
5116
val |= 0xC000;
5117
else
5118
val &= 0x3FFF;
5119
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5120
MDIO_WC_REG_DIGITAL5_MISC6, val);
5121
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5122
MDIO_WC_REG_DIGITAL5_MISC6, &val);
5123
}
5124
5125
/* Clear SFI/XFI link settings registers */
5126
static void elink_warpcore_clear_regs(struct elink_phy *phy,
5127
struct elink_params *params,
5128
uint16_t lane)
5129
{
5130
struct bxe_softc *sc = params->sc;
5131
uint16_t i;
5132
static struct elink_reg_set wc_regs[] = {
5133
{MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
5134
{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
5135
{MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
5136
{MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
5137
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
5138
0x0195},
5139
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
5140
0x0007},
5141
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
5142
0x0002},
5143
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
5144
{MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
5145
{MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
5146
{MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
5147
};
5148
/* Set XFI clock comp as default. */
5149
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5150
MDIO_WC_REG_RX66_CONTROL, (3<<13));
5151
5152
for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
5153
elink_cl45_write(sc, phy, wc_regs[i].devad, wc_regs[i].reg,
5154
wc_regs[i].val);
5155
5156
lane = elink_get_warpcore_lane(phy, params);
5157
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5158
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
5159
5160
}
5161
5162
static elink_status_t elink_get_mod_abs_int_cfg(struct bxe_softc *sc,
5163
uint32_t chip_id,
5164
uint32_t shmem_base, uint8_t port,
5165
uint8_t *gpio_num, uint8_t *gpio_port)
5166
{
5167
uint32_t cfg_pin;
5168
*gpio_num = 0;
5169
*gpio_port = 0;
5170
if (CHIP_IS_E3(sc)) {
5171
cfg_pin = (REG_RD(sc, shmem_base +
5172
offsetof(struct shmem_region,
5173
dev_info.port_hw_config[port].e3_sfp_ctrl)) &
5174
PORT_HW_CFG_E3_MOD_ABS_MASK) >>
5175
PORT_HW_CFG_E3_MOD_ABS_SHIFT;
5176
5177
/* Should not happen. This function called upon interrupt
5178
* triggered by GPIO ( since EPIO can only generate interrupts
5179
* to MCP).
5180
* So if this function was called and none of the GPIOs was set,
5181
* it means the shit hit the fan.
5182
*/
5183
if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
5184
(cfg_pin > PIN_CFG_GPIO3_P1)) {
5185
ELINK_DEBUG_P1(sc,
5186
"No cfg pin %x for module detect indication\n",
5187
cfg_pin);
5188
return ELINK_STATUS_ERROR;
5189
}
5190
5191
*gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
5192
*gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
5193
} else {
5194
*gpio_num = MISC_REGISTERS_GPIO_3;
5195
*gpio_port = port;
5196
}
5197
5198
return ELINK_STATUS_OK;
5199
}
5200
5201
static int elink_is_sfp_module_plugged(struct elink_phy *phy,
5202
struct elink_params *params)
5203
{
5204
struct bxe_softc *sc = params->sc;
5205
uint8_t gpio_num, gpio_port;
5206
uint32_t gpio_val;
5207
if (elink_get_mod_abs_int_cfg(sc, params->chip_id,
5208
params->shmem_base, params->port,
5209
&gpio_num, &gpio_port) != ELINK_STATUS_OK)
5210
return 0;
5211
gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
5212
5213
/* Call the handling function in case module is detected */
5214
if (gpio_val == 0)
5215
return 1;
5216
else
5217
return 0;
5218
}
5219
static int elink_warpcore_get_sigdet(struct elink_phy *phy,
5220
struct elink_params *params)
5221
{
5222
uint16_t gp2_status_reg0, lane;
5223
struct bxe_softc *sc = params->sc;
5224
5225
lane = elink_get_warpcore_lane(phy, params);
5226
5227
elink_cl45_read(sc, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
5228
&gp2_status_reg0);
5229
5230
return (gp2_status_reg0 >> (8+lane)) & 0x1;
5231
}
5232
5233
static void elink_warpcore_config_runtime(struct elink_phy *phy,
5234
struct elink_params *params,
5235
struct elink_vars *vars)
5236
{
5237
struct bxe_softc *sc = params->sc;
5238
uint32_t serdes_net_if;
5239
uint16_t gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
5240
5241
vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
5242
5243
if (!vars->turn_to_run_wc_rt)
5244
return;
5245
5246
if (vars->rx_tx_asic_rst) {
5247
uint16_t lane = elink_get_warpcore_lane(phy, params);
5248
serdes_net_if = (REG_RD(sc, params->shmem_base +
5249
offsetof(struct shmem_region, dev_info.
5250
port_hw_config[params->port].default_cfg)) &
5251
PORT_HW_CFG_NET_SERDES_IF_MASK);
5252
5253
switch (serdes_net_if) {
5254
case PORT_HW_CFG_NET_SERDES_IF_KR:
5255
/* Do we get link yet? */
5256
elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 0x81d1,
5257
&gp_status1);
5258
lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
5259
/*10G KR*/
5260
lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
5261
5262
if (lnkup_kr || lnkup) {
5263
vars->rx_tx_asic_rst = 0;
5264
} else {
5265
/* Reset the lane to see if link comes up.*/
5266
elink_warpcore_reset_lane(sc, phy, 1);
5267
elink_warpcore_reset_lane(sc, phy, 0);
5268
5269
/* Restart Autoneg */
5270
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
5271
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
5272
5273
vars->rx_tx_asic_rst--;
5274
ELINK_DEBUG_P1(sc, "0x%x retry left\n",
5275
vars->rx_tx_asic_rst);
5276
}
5277
break;
5278
5279
default:
5280
break;
5281
}
5282
5283
} /*params->rx_tx_asic_rst*/
5284
5285
}
5286
static void elink_warpcore_config_sfi(struct elink_phy *phy,
5287
struct elink_params *params)
5288
{
5289
uint16_t lane = elink_get_warpcore_lane(phy, params);
5290
struct bxe_softc *sc = params->sc;
5291
elink_warpcore_clear_regs(phy, params, lane);
5292
if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] ==
5293
ELINK_SPEED_10000) &&
5294
(phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) {
5295
ELINK_DEBUG_P0(sc, "Setting 10G SFI\n");
5296
elink_warpcore_set_10G_XFI(phy, params, 0);
5297
} else {
5298
ELINK_DEBUG_P0(sc, "Setting 1G Fiber\n");
5299
elink_warpcore_set_sgmii_speed(phy, params, 1, 0);
5300
}
5301
}
5302
5303
static void elink_sfp_e3_set_transmitter(struct elink_params *params,
5304
struct elink_phy *phy,
5305
uint8_t tx_en)
5306
{
5307
struct bxe_softc *sc = params->sc;
5308
uint32_t cfg_pin;
5309
uint8_t port = params->port;
5310
5311
cfg_pin = REG_RD(sc, params->shmem_base +
5312
offsetof(struct shmem_region,
5313
dev_info.port_hw_config[port].e3_sfp_ctrl)) &
5314
PORT_HW_CFG_E3_TX_LASER_MASK;
5315
/* Set the !tx_en since this pin is DISABLE_TX_LASER */
5316
ELINK_DEBUG_P1(sc, "Setting WC TX to %d\n", tx_en);
5317
5318
/* For 20G, the expected pin to be used is 3 pins after the current */
5319
elink_set_cfg_pin(sc, cfg_pin, tx_en ^ 1);
5320
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
5321
elink_set_cfg_pin(sc, cfg_pin + 3, tx_en ^ 1);
5322
}
5323
5324
static void elink_warpcore_config_init(struct elink_phy *phy,
5325
struct elink_params *params,
5326
struct elink_vars *vars)
5327
{
5328
struct bxe_softc *sc = params->sc;
5329
uint32_t serdes_net_if;
5330
uint8_t fiber_mode;
5331
uint16_t lane = elink_get_warpcore_lane(phy, params);
5332
serdes_net_if = (REG_RD(sc, params->shmem_base +
5333
offsetof(struct shmem_region, dev_info.
5334
port_hw_config[params->port].default_cfg)) &
5335
PORT_HW_CFG_NET_SERDES_IF_MASK);
5336
ELINK_DEBUG_P2(sc, "Begin Warpcore init, link_speed %d, "
5337
"serdes_net_if = 0x%x\n",
5338
vars->line_speed, serdes_net_if);
5339
elink_set_aer_mmd(params, phy);
5340
elink_warpcore_reset_lane(sc, phy, 1);
5341
vars->phy_flags |= PHY_XGXS_FLAG;
5342
if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
5343
(phy->req_line_speed &&
5344
((phy->req_line_speed == ELINK_SPEED_100) ||
5345
(phy->req_line_speed == ELINK_SPEED_10)))) {
5346
vars->phy_flags |= PHY_SGMII_FLAG;
5347
ELINK_DEBUG_P0(sc, "Setting SGMII mode\n");
5348
elink_warpcore_clear_regs(phy, params, lane);
5349
elink_warpcore_set_sgmii_speed(phy, params, 0, 1);
5350
} else {
5351
switch (serdes_net_if) {
5352
case PORT_HW_CFG_NET_SERDES_IF_KR:
5353
/* Enable KR Auto Neg */
5354
if (params->loopback_mode != ELINK_LOOPBACK_EXT)
5355
elink_warpcore_enable_AN_KR(phy, params, vars);
5356
else {
5357
ELINK_DEBUG_P0(sc, "Setting KR 10G-Force\n");
5358
elink_warpcore_set_10G_KR(phy, params, vars);
5359
}
5360
break;
5361
5362
case PORT_HW_CFG_NET_SERDES_IF_XFI:
5363
elink_warpcore_clear_regs(phy, params, lane);
5364
if (vars->line_speed == ELINK_SPEED_10000) {
5365
ELINK_DEBUG_P0(sc, "Setting 10G XFI\n");
5366
elink_warpcore_set_10G_XFI(phy, params, 1);
5367
} else {
5368
if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
5369
ELINK_DEBUG_P0(sc, "1G Fiber\n");
5370
fiber_mode = 1;
5371
} else {
5372
ELINK_DEBUG_P0(sc, "10/100/1G SGMII\n");
5373
fiber_mode = 0;
5374
}
5375
elink_warpcore_set_sgmii_speed(phy,
5376
params,
5377
fiber_mode,
5378
0);
5379
}
5380
5381
break;
5382
5383
case PORT_HW_CFG_NET_SERDES_IF_SFI:
5384
/* Issue Module detection if module is plugged, or
5385
* enabled transmitter to avoid current leakage in case
5386
* no module is connected
5387
*/
5388
if ((params->loopback_mode == ELINK_LOOPBACK_NONE) ||
5389
(params->loopback_mode == ELINK_LOOPBACK_EXT)) {
5390
if (elink_is_sfp_module_plugged(phy, params))
5391
elink_sfp_module_detection(phy, params);
5392
else
5393
elink_sfp_e3_set_transmitter(params,
5394
phy, 1);
5395
}
5396
5397
elink_warpcore_config_sfi(phy, params);
5398
break;
5399
5400
case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
5401
if (vars->line_speed != ELINK_SPEED_20000) {
5402
ELINK_DEBUG_P0(sc, "Speed not supported yet\n");
5403
return;
5404
}
5405
ELINK_DEBUG_P0(sc, "Setting 20G DXGXS\n");
5406
elink_warpcore_set_20G_DXGXS(sc, phy, lane);
5407
/* Issue Module detection */
5408
5409
elink_sfp_module_detection(phy, params);
5410
break;
5411
case PORT_HW_CFG_NET_SERDES_IF_KR2:
5412
if (!params->loopback_mode) {
5413
elink_warpcore_enable_AN_KR(phy, params, vars);
5414
} else {
5415
ELINK_DEBUG_P0(sc, "Setting KR 20G-Force\n");
5416
elink_warpcore_set_20G_force_KR2(phy, params);
5417
}
5418
break;
5419
default:
5420
ELINK_DEBUG_P1(sc,
5421
"Unsupported Serdes Net Interface 0x%x\n",
5422
serdes_net_if);
5423
return;
5424
}
5425
}
5426
5427
/* Take lane out of reset after configuration is finished */
5428
elink_warpcore_reset_lane(sc, phy, 0);
5429
ELINK_DEBUG_P0(sc, "Exit config init\n");
5430
}
5431
5432
static void elink_warpcore_link_reset(struct elink_phy *phy,
5433
struct elink_params *params)
5434
{
5435
struct bxe_softc *sc = params->sc;
5436
uint16_t val16, lane;
5437
elink_sfp_e3_set_transmitter(params, phy, 0);
5438
elink_set_mdio_emac_per_phy(sc, params);
5439
elink_set_aer_mmd(params, phy);
5440
/* Global register */
5441
elink_warpcore_reset_lane(sc, phy, 1);
5442
5443
/* Clear loopback settings (if any) */
5444
/* 10G & 20G */
5445
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5446
MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
5447
5448
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5449
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
5450
5451
/* Update those 1-copy registers */
5452
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
5453
MDIO_AER_BLOCK_AER_REG, 0);
5454
/* Enable 1G MDIO (1-copy) */
5455
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5456
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
5457
~0x10);
5458
5459
elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD,
5460
MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
5461
lane = elink_get_warpcore_lane(phy, params);
5462
/* Disable CL36 PCS Tx */
5463
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5464
MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
5465
val16 |= (0x11 << lane);
5466
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
5467
val16 |= (0x22 << lane);
5468
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5469
MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
5470
5471
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5472
MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
5473
val16 &= ~(0x0303 << (lane << 1));
5474
val16 |= (0x0101 << (lane << 1));
5475
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) {
5476
val16 &= ~(0x0c0c << (lane << 1));
5477
val16 |= (0x0404 << (lane << 1));
5478
}
5479
5480
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5481
MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
5482
/* Restore AER */
5483
elink_set_aer_mmd(params, phy);
5484
5485
}
5486
5487
static void elink_set_warpcore_loopback(struct elink_phy *phy,
5488
struct elink_params *params)
5489
{
5490
struct bxe_softc *sc = params->sc;
5491
uint16_t val16;
5492
uint32_t lane;
5493
ELINK_DEBUG_P2(sc, "Setting Warpcore loopback type %x, speed %d\n",
5494
params->loopback_mode, phy->req_line_speed);
5495
5496
if (phy->req_line_speed < ELINK_SPEED_10000 ||
5497
phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
5498
/* 10/100/1000/20G-KR2 */
5499
5500
/* Update those 1-copy registers */
5501
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
5502
MDIO_AER_BLOCK_AER_REG, 0);
5503
/* Enable 1G MDIO (1-copy) */
5504
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5505
MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
5506
0x10);
5507
/* Set 1G loopback based on lane (1-copy) */
5508
lane = elink_get_warpcore_lane(phy, params);
5509
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
5510
MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
5511
val16 |= (1<<lane);
5512
if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)
5513
val16 |= (2<<lane);
5514
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
5515
MDIO_WC_REG_XGXSBLK1_LANECTRL2,
5516
val16);
5517
5518
/* Switch back to 4-copy registers */
5519
elink_set_aer_mmd(params, phy);
5520
} else {
5521
/* 10G / 20G-DXGXS */
5522
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5523
MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
5524
0x4000);
5525
elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD,
5526
MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
5527
}
5528
}
5529
5530
5531
5532
static void elink_sync_link(struct elink_params *params,
5533
struct elink_vars *vars)
5534
{
5535
struct bxe_softc *sc = params->sc;
5536
uint8_t link_10g_plus;
5537
if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5538
vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
5539
vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
5540
if (vars->link_up) {
5541
ELINK_DEBUG_P0(sc, "phy link up\n");
5542
ELINK_DEBUG_P1(sc, "link status = %x\n", vars->link_status);
5543
5544
vars->phy_link_up = 1;
5545
vars->duplex = DUPLEX_FULL;
5546
switch (vars->link_status &
5547
LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
5548
case ELINK_LINK_10THD:
5549
vars->duplex = DUPLEX_HALF;
5550
/* Fall thru */
5551
case ELINK_LINK_10TFD:
5552
vars->line_speed = ELINK_SPEED_10;
5553
break;
5554
5555
case ELINK_LINK_100TXHD:
5556
vars->duplex = DUPLEX_HALF;
5557
/* Fall thru */
5558
case ELINK_LINK_100T4:
5559
case ELINK_LINK_100TXFD:
5560
vars->line_speed = ELINK_SPEED_100;
5561
break;
5562
5563
case ELINK_LINK_1000THD:
5564
vars->duplex = DUPLEX_HALF;
5565
/* Fall thru */
5566
case ELINK_LINK_1000TFD:
5567
vars->line_speed = ELINK_SPEED_1000;
5568
break;
5569
5570
case ELINK_LINK_2500THD:
5571
vars->duplex = DUPLEX_HALF;
5572
/* Fall thru */
5573
case ELINK_LINK_2500TFD:
5574
vars->line_speed = ELINK_SPEED_2500;
5575
break;
5576
5577
case ELINK_LINK_10GTFD:
5578
vars->line_speed = ELINK_SPEED_10000;
5579
break;
5580
case ELINK_LINK_20GTFD:
5581
vars->line_speed = ELINK_SPEED_20000;
5582
break;
5583
default:
5584
break;
5585
}
5586
vars->flow_ctrl = 0;
5587
if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
5588
vars->flow_ctrl |= ELINK_FLOW_CTRL_TX;
5589
5590
if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
5591
vars->flow_ctrl |= ELINK_FLOW_CTRL_RX;
5592
5593
if (!vars->flow_ctrl)
5594
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5595
5596
if (vars->line_speed &&
5597
((vars->line_speed == ELINK_SPEED_10) ||
5598
(vars->line_speed == ELINK_SPEED_100))) {
5599
vars->phy_flags |= PHY_SGMII_FLAG;
5600
} else {
5601
vars->phy_flags &= ~PHY_SGMII_FLAG;
5602
}
5603
if (vars->line_speed &&
5604
USES_WARPCORE(sc) &&
5605
(vars->line_speed == ELINK_SPEED_1000))
5606
vars->phy_flags |= PHY_SGMII_FLAG;
5607
/* Anything 10 and over uses the bmac */
5608
link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
5609
5610
if (link_10g_plus) {
5611
if (USES_WARPCORE(sc))
5612
vars->mac_type = ELINK_MAC_TYPE_XMAC;
5613
else
5614
vars->mac_type = ELINK_MAC_TYPE_BMAC;
5615
} else {
5616
if (USES_WARPCORE(sc))
5617
vars->mac_type = ELINK_MAC_TYPE_UMAC;
5618
else
5619
vars->mac_type = ELINK_MAC_TYPE_EMAC;
5620
}
5621
} else { /* Link down */
5622
ELINK_DEBUG_P0(sc, "phy link down\n");
5623
5624
vars->phy_link_up = 0;
5625
5626
vars->line_speed = 0;
5627
vars->duplex = DUPLEX_FULL;
5628
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
5629
5630
/* Indicate no mac active */
5631
vars->mac_type = ELINK_MAC_TYPE_NONE;
5632
if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
5633
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
5634
if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
5635
vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
5636
}
5637
}
5638
5639
void elink_link_status_update(struct elink_params *params,
5640
struct elink_vars *vars)
5641
{
5642
struct bxe_softc *sc = params->sc;
5643
uint8_t port = params->port;
5644
uint32_t sync_offset, media_types;
5645
/* Update PHY configuration */
5646
set_phy_vars(params, vars);
5647
5648
vars->link_status = REG_RD(sc, params->shmem_base +
5649
offsetof(struct shmem_region,
5650
port_mb[port].link_status));
5651
5652
/* Force link UP in non LOOPBACK_EXT loopback mode(s) */
5653
if (params->loopback_mode != ELINK_LOOPBACK_NONE &&
5654
params->loopback_mode != ELINK_LOOPBACK_EXT)
5655
vars->link_status |= LINK_STATUS_LINK_UP;
5656
5657
if (elink_eee_has_cap(params))
5658
vars->eee_status = REG_RD(sc, params->shmem2_base +
5659
offsetof(struct shmem2_region,
5660
eee_status[params->port]));
5661
5662
vars->phy_flags = PHY_XGXS_FLAG;
5663
elink_sync_link(params, vars);
5664
/* Sync media type */
5665
sync_offset = params->shmem_base +
5666
offsetof(struct shmem_region,
5667
dev_info.port_hw_config[port].media_type);
5668
media_types = REG_RD(sc, sync_offset);
5669
5670
params->phy[ELINK_INT_PHY].media_type =
5671
(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
5672
PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
5673
params->phy[ELINK_EXT_PHY1].media_type =
5674
(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
5675
PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
5676
params->phy[ELINK_EXT_PHY2].media_type =
5677
(media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
5678
PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
5679
ELINK_DEBUG_P1(sc, "media_types = 0x%x\n", media_types);
5680
5681
/* Sync AEU offset */
5682
sync_offset = params->shmem_base +
5683
offsetof(struct shmem_region,
5684
dev_info.port_hw_config[port].aeu_int_mask);
5685
5686
vars->aeu_int_mask = REG_RD(sc, sync_offset);
5687
5688
/* Sync PFC status */
5689
if (vars->link_status & LINK_STATUS_PFC_ENABLED)
5690
params->feature_config_flags |=
5691
ELINK_FEATURE_CONFIG_PFC_ENABLED;
5692
else
5693
params->feature_config_flags &=
5694
~ELINK_FEATURE_CONFIG_PFC_ENABLED;
5695
5696
if (SHMEM2_HAS(sc, link_attr_sync))
5697
params->link_attr_sync = SHMEM2_RD(sc,
5698
link_attr_sync[params->port]);
5699
5700
ELINK_DEBUG_P3(sc, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
5701
vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
5702
ELINK_DEBUG_P3(sc, "line_speed %x duplex %x flow_ctrl 0x%x\n",
5703
vars->line_speed, vars->duplex, vars->flow_ctrl);
5704
}
5705
5706
static void elink_set_master_ln(struct elink_params *params,
5707
struct elink_phy *phy)
5708
{
5709
struct bxe_softc *sc = params->sc;
5710
uint16_t new_master_ln, ser_lane;
5711
ser_lane = ((params->lane_config &
5712
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5713
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5714
5715
/* Set the master_ln for AN */
5716
CL22_RD_OVER_CL45(sc, phy,
5717
MDIO_REG_BANK_XGXS_BLOCK2,
5718
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5719
&new_master_ln);
5720
5721
CL22_WR_OVER_CL45(sc, phy,
5722
MDIO_REG_BANK_XGXS_BLOCK2 ,
5723
MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
5724
(new_master_ln | ser_lane));
5725
}
5726
5727
static elink_status_t elink_reset_unicore(struct elink_params *params,
5728
struct elink_phy *phy,
5729
uint8_t set_serdes)
5730
{
5731
struct bxe_softc *sc = params->sc;
5732
uint16_t mii_control;
5733
uint16_t i;
5734
CL22_RD_OVER_CL45(sc, phy,
5735
MDIO_REG_BANK_COMBO_IEEE0,
5736
MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
5737
5738
/* Reset the unicore */
5739
CL22_WR_OVER_CL45(sc, phy,
5740
MDIO_REG_BANK_COMBO_IEEE0,
5741
MDIO_COMBO_IEEE0_MII_CONTROL,
5742
(mii_control |
5743
MDIO_COMBO_IEEO_MII_CONTROL_RESET));
5744
if (set_serdes)
5745
elink_set_serdes_access(sc, params->port);
5746
5747
/* Wait for the reset to self clear */
5748
for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) {
5749
DELAY(5);
5750
5751
/* The reset erased the previous bank value */
5752
CL22_RD_OVER_CL45(sc, phy,
5753
MDIO_REG_BANK_COMBO_IEEE0,
5754
MDIO_COMBO_IEEE0_MII_CONTROL,
5755
&mii_control);
5756
5757
if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
5758
DELAY(5);
5759
return ELINK_STATUS_OK;
5760
}
5761
}
5762
5763
elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
5764
// " Port %d\n",
5765
5766
ELINK_DEBUG_P0(sc, "BUG! XGXS is still in reset!\n");
5767
return ELINK_STATUS_ERROR;
5768
5769
}
5770
5771
static void elink_set_swap_lanes(struct elink_params *params,
5772
struct elink_phy *phy)
5773
{
5774
struct bxe_softc *sc = params->sc;
5775
/* Each two bits represents a lane number:
5776
* No swap is 0123 => 0x1b no need to enable the swap
5777
*/
5778
uint16_t rx_lane_swap, tx_lane_swap;
5779
5780
rx_lane_swap = ((params->lane_config &
5781
PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
5782
PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
5783
tx_lane_swap = ((params->lane_config &
5784
PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
5785
PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
5786
5787
if (rx_lane_swap != 0x1b) {
5788
CL22_WR_OVER_CL45(sc, phy,
5789
MDIO_REG_BANK_XGXS_BLOCK2,
5790
MDIO_XGXS_BLOCK2_RX_LN_SWAP,
5791
(rx_lane_swap |
5792
MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
5793
MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
5794
} else {
5795
CL22_WR_OVER_CL45(sc, phy,
5796
MDIO_REG_BANK_XGXS_BLOCK2,
5797
MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
5798
}
5799
5800
if (tx_lane_swap != 0x1b) {
5801
CL22_WR_OVER_CL45(sc, phy,
5802
MDIO_REG_BANK_XGXS_BLOCK2,
5803
MDIO_XGXS_BLOCK2_TX_LN_SWAP,
5804
(tx_lane_swap |
5805
MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
5806
} else {
5807
CL22_WR_OVER_CL45(sc, phy,
5808
MDIO_REG_BANK_XGXS_BLOCK2,
5809
MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
5810
}
5811
}
5812
5813
static void elink_set_parallel_detection(struct elink_phy *phy,
5814
struct elink_params *params)
5815
{
5816
struct bxe_softc *sc = params->sc;
5817
uint16_t control2;
5818
CL22_RD_OVER_CL45(sc, phy,
5819
MDIO_REG_BANK_SERDES_DIGITAL,
5820
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5821
&control2);
5822
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5823
control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5824
else
5825
control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
5826
ELINK_DEBUG_P2(sc, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
5827
phy->speed_cap_mask, control2);
5828
CL22_WR_OVER_CL45(sc, phy,
5829
MDIO_REG_BANK_SERDES_DIGITAL,
5830
MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
5831
control2);
5832
5833
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5834
(phy->speed_cap_mask &
5835
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
5836
ELINK_DEBUG_P0(sc, "XGXS\n");
5837
5838
CL22_WR_OVER_CL45(sc, phy,
5839
MDIO_REG_BANK_10G_PARALLEL_DETECT,
5840
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
5841
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
5842
5843
CL22_RD_OVER_CL45(sc, phy,
5844
MDIO_REG_BANK_10G_PARALLEL_DETECT,
5845
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5846
&control2);
5847
5848
5849
control2 |=
5850
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
5851
5852
CL22_WR_OVER_CL45(sc, phy,
5853
MDIO_REG_BANK_10G_PARALLEL_DETECT,
5854
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
5855
control2);
5856
5857
/* Disable parallel detection of HiG */
5858
CL22_WR_OVER_CL45(sc, phy,
5859
MDIO_REG_BANK_XGXS_BLOCK2,
5860
MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
5861
MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
5862
MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
5863
}
5864
}
5865
5866
static void elink_set_autoneg(struct elink_phy *phy,
5867
struct elink_params *params,
5868
struct elink_vars *vars,
5869
uint8_t enable_cl73)
5870
{
5871
struct bxe_softc *sc = params->sc;
5872
uint16_t reg_val;
5873
5874
/* CL37 Autoneg */
5875
CL22_RD_OVER_CL45(sc, phy,
5876
MDIO_REG_BANK_COMBO_IEEE0,
5877
MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5878
5879
/* CL37 Autoneg Enabled */
5880
if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5881
reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
5882
else /* CL37 Autoneg Disabled */
5883
reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5884
MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
5885
5886
CL22_WR_OVER_CL45(sc, phy,
5887
MDIO_REG_BANK_COMBO_IEEE0,
5888
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5889
5890
/* Enable/Disable Autodetection */
5891
5892
CL22_RD_OVER_CL45(sc, phy,
5893
MDIO_REG_BANK_SERDES_DIGITAL,
5894
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
5895
reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
5896
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
5897
reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
5898
if (vars->line_speed == ELINK_SPEED_AUTO_NEG)
5899
reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5900
else
5901
reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
5902
5903
CL22_WR_OVER_CL45(sc, phy,
5904
MDIO_REG_BANK_SERDES_DIGITAL,
5905
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
5906
5907
/* Enable TetonII and BAM autoneg */
5908
CL22_RD_OVER_CL45(sc, phy,
5909
MDIO_REG_BANK_BAM_NEXT_PAGE,
5910
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5911
&reg_val);
5912
if (vars->line_speed == ELINK_SPEED_AUTO_NEG) {
5913
/* Enable BAM aneg Mode and TetonII aneg Mode */
5914
reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5915
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5916
} else {
5917
/* TetonII and BAM Autoneg Disabled */
5918
reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
5919
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
5920
}
5921
CL22_WR_OVER_CL45(sc, phy,
5922
MDIO_REG_BANK_BAM_NEXT_PAGE,
5923
MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
5924
reg_val);
5925
5926
if (enable_cl73) {
5927
/* Enable Cl73 FSM status bits */
5928
CL22_WR_OVER_CL45(sc, phy,
5929
MDIO_REG_BANK_CL73_USERB0,
5930
MDIO_CL73_USERB0_CL73_UCTRL,
5931
0xe);
5932
5933
/* Enable BAM Station Manager*/
5934
CL22_WR_OVER_CL45(sc, phy,
5935
MDIO_REG_BANK_CL73_USERB0,
5936
MDIO_CL73_USERB0_CL73_BAM_CTRL1,
5937
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
5938
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
5939
MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
5940
5941
/* Advertise CL73 link speeds */
5942
CL22_RD_OVER_CL45(sc, phy,
5943
MDIO_REG_BANK_CL73_IEEEB1,
5944
MDIO_CL73_IEEEB1_AN_ADV2,
5945
&reg_val);
5946
if (phy->speed_cap_mask &
5947
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
5948
reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
5949
if (phy->speed_cap_mask &
5950
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5951
reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
5952
5953
CL22_WR_OVER_CL45(sc, phy,
5954
MDIO_REG_BANK_CL73_IEEEB1,
5955
MDIO_CL73_IEEEB1_AN_ADV2,
5956
reg_val);
5957
5958
/* CL73 Autoneg Enabled */
5959
reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
5960
5961
} else /* CL73 Autoneg Disabled */
5962
reg_val = 0;
5963
5964
CL22_WR_OVER_CL45(sc, phy,
5965
MDIO_REG_BANK_CL73_IEEEB0,
5966
MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
5967
}
5968
5969
/* Program SerDes, forced speed */
5970
static void elink_program_serdes(struct elink_phy *phy,
5971
struct elink_params *params,
5972
struct elink_vars *vars)
5973
{
5974
struct bxe_softc *sc = params->sc;
5975
uint16_t reg_val;
5976
5977
/* Program duplex, disable autoneg and sgmii*/
5978
CL22_RD_OVER_CL45(sc, phy,
5979
MDIO_REG_BANK_COMBO_IEEE0,
5980
MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
5981
reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
5982
MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
5983
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
5984
if (phy->req_duplex == DUPLEX_FULL)
5985
reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
5986
CL22_WR_OVER_CL45(sc, phy,
5987
MDIO_REG_BANK_COMBO_IEEE0,
5988
MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
5989
5990
/* Program speed
5991
* - needed only if the speed is greater than 1G (2.5G or 10G)
5992
*/
5993
CL22_RD_OVER_CL45(sc, phy,
5994
MDIO_REG_BANK_SERDES_DIGITAL,
5995
MDIO_SERDES_DIGITAL_MISC1, &reg_val);
5996
/* Clearing the speed value before setting the right speed */
5997
ELINK_DEBUG_P1(sc, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
5998
5999
reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
6000
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
6001
6002
if (!((vars->line_speed == ELINK_SPEED_1000) ||
6003
(vars->line_speed == ELINK_SPEED_100) ||
6004
(vars->line_speed == ELINK_SPEED_10))) {
6005
6006
reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
6007
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
6008
if (vars->line_speed == ELINK_SPEED_10000)
6009
reg_val |=
6010
MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
6011
}
6012
6013
CL22_WR_OVER_CL45(sc, phy,
6014
MDIO_REG_BANK_SERDES_DIGITAL,
6015
MDIO_SERDES_DIGITAL_MISC1, reg_val);
6016
6017
}
6018
6019
static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy,
6020
struct elink_params *params)
6021
{
6022
struct bxe_softc *sc = params->sc;
6023
uint16_t val = 0;
6024
6025
/* Set extended capabilities */
6026
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
6027
val |= MDIO_OVER_1G_UP1_2_5G;
6028
if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
6029
val |= MDIO_OVER_1G_UP1_10G;
6030
CL22_WR_OVER_CL45(sc, phy,
6031
MDIO_REG_BANK_OVER_1G,
6032
MDIO_OVER_1G_UP1, val);
6033
6034
CL22_WR_OVER_CL45(sc, phy,
6035
MDIO_REG_BANK_OVER_1G,
6036
MDIO_OVER_1G_UP3, 0x400);
6037
}
6038
6039
static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy,
6040
struct elink_params *params,
6041
uint16_t ieee_fc)
6042
{
6043
struct bxe_softc *sc = params->sc;
6044
uint16_t val;
6045
/* For AN, we are always publishing full duplex */
6046
6047
CL22_WR_OVER_CL45(sc, phy,
6048
MDIO_REG_BANK_COMBO_IEEE0,
6049
MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
6050
CL22_RD_OVER_CL45(sc, phy,
6051
MDIO_REG_BANK_CL73_IEEEB1,
6052
MDIO_CL73_IEEEB1_AN_ADV1, &val);
6053
val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
6054
val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
6055
CL22_WR_OVER_CL45(sc, phy,
6056
MDIO_REG_BANK_CL73_IEEEB1,
6057
MDIO_CL73_IEEEB1_AN_ADV1, val);
6058
}
6059
6060
static void elink_restart_autoneg(struct elink_phy *phy,
6061
struct elink_params *params,
6062
uint8_t enable_cl73)
6063
{
6064
struct bxe_softc *sc = params->sc;
6065
uint16_t mii_control;
6066
6067
ELINK_DEBUG_P0(sc, "elink_restart_autoneg\n");
6068
/* Enable and restart BAM/CL37 aneg */
6069
6070
if (enable_cl73) {
6071
CL22_RD_OVER_CL45(sc, phy,
6072
MDIO_REG_BANK_CL73_IEEEB0,
6073
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6074
&mii_control);
6075
6076
CL22_WR_OVER_CL45(sc, phy,
6077
MDIO_REG_BANK_CL73_IEEEB0,
6078
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6079
(mii_control |
6080
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
6081
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
6082
} else {
6083
6084
CL22_RD_OVER_CL45(sc, phy,
6085
MDIO_REG_BANK_COMBO_IEEE0,
6086
MDIO_COMBO_IEEE0_MII_CONTROL,
6087
&mii_control);
6088
ELINK_DEBUG_P1(sc,
6089
"elink_restart_autoneg mii_control before = 0x%x\n",
6090
mii_control);
6091
CL22_WR_OVER_CL45(sc, phy,
6092
MDIO_REG_BANK_COMBO_IEEE0,
6093
MDIO_COMBO_IEEE0_MII_CONTROL,
6094
(mii_control |
6095
MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6096
MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
6097
}
6098
}
6099
6100
static void elink_initialize_sgmii_process(struct elink_phy *phy,
6101
struct elink_params *params,
6102
struct elink_vars *vars)
6103
{
6104
struct bxe_softc *sc = params->sc;
6105
uint16_t control1;
6106
6107
/* In SGMII mode, the unicore is always slave */
6108
6109
CL22_RD_OVER_CL45(sc, phy,
6110
MDIO_REG_BANK_SERDES_DIGITAL,
6111
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
6112
&control1);
6113
control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
6114
/* Set sgmii mode (and not fiber) */
6115
control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
6116
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
6117
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
6118
CL22_WR_OVER_CL45(sc, phy,
6119
MDIO_REG_BANK_SERDES_DIGITAL,
6120
MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
6121
control1);
6122
6123
/* If forced speed */
6124
if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) {
6125
/* Set speed, disable autoneg */
6126
uint16_t mii_control;
6127
6128
CL22_RD_OVER_CL45(sc, phy,
6129
MDIO_REG_BANK_COMBO_IEEE0,
6130
MDIO_COMBO_IEEE0_MII_CONTROL,
6131
&mii_control);
6132
mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
6133
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
6134
MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
6135
6136
switch (vars->line_speed) {
6137
case ELINK_SPEED_100:
6138
mii_control |=
6139
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
6140
break;
6141
case ELINK_SPEED_1000:
6142
mii_control |=
6143
MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
6144
break;
6145
case ELINK_SPEED_10:
6146
/* There is nothing to set for 10M */
6147
break;
6148
default:
6149
/* Invalid speed for SGMII */
6150
ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
6151
vars->line_speed);
6152
break;
6153
}
6154
6155
/* Setting the full duplex */
6156
if (phy->req_duplex == DUPLEX_FULL)
6157
mii_control |=
6158
MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
6159
CL22_WR_OVER_CL45(sc, phy,
6160
MDIO_REG_BANK_COMBO_IEEE0,
6161
MDIO_COMBO_IEEE0_MII_CONTROL,
6162
mii_control);
6163
6164
} else { /* AN mode */
6165
/* Enable and restart AN */
6166
elink_restart_autoneg(phy, params, 0);
6167
}
6168
}
6169
6170
/* Link management
6171
*/
6172
static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy,
6173
struct elink_params *params)
6174
{
6175
struct bxe_softc *sc = params->sc;
6176
uint16_t pd_10g, status2_1000x;
6177
if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6178
return ELINK_STATUS_OK;
6179
CL22_RD_OVER_CL45(sc, phy,
6180
MDIO_REG_BANK_SERDES_DIGITAL,
6181
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
6182
&status2_1000x);
6183
CL22_RD_OVER_CL45(sc, phy,
6184
MDIO_REG_BANK_SERDES_DIGITAL,
6185
MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
6186
&status2_1000x);
6187
if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
6188
ELINK_DEBUG_P1(sc, "1G parallel detect link on port %d\n",
6189
params->port);
6190
return 1;
6191
}
6192
6193
CL22_RD_OVER_CL45(sc, phy,
6194
MDIO_REG_BANK_10G_PARALLEL_DETECT,
6195
MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
6196
&pd_10g);
6197
6198
if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
6199
ELINK_DEBUG_P1(sc, "10G parallel detect link on port %d\n",
6200
params->port);
6201
return 1;
6202
}
6203
return ELINK_STATUS_OK;
6204
}
6205
6206
static void elink_update_adv_fc(struct elink_phy *phy,
6207
struct elink_params *params,
6208
struct elink_vars *vars,
6209
uint32_t gp_status)
6210
{
6211
uint16_t ld_pause; /* local driver */
6212
uint16_t lp_pause; /* link partner */
6213
uint16_t pause_result;
6214
struct bxe_softc *sc = params->sc;
6215
if ((gp_status &
6216
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6217
MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
6218
(MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
6219
MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
6220
6221
CL22_RD_OVER_CL45(sc, phy,
6222
MDIO_REG_BANK_CL73_IEEEB1,
6223
MDIO_CL73_IEEEB1_AN_ADV1,
6224
&ld_pause);
6225
CL22_RD_OVER_CL45(sc, phy,
6226
MDIO_REG_BANK_CL73_IEEEB1,
6227
MDIO_CL73_IEEEB1_AN_LP_ADV1,
6228
&lp_pause);
6229
pause_result = (ld_pause &
6230
MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
6231
pause_result |= (lp_pause &
6232
MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
6233
ELINK_DEBUG_P1(sc, "pause_result CL73 0x%x\n", pause_result);
6234
} else {
6235
CL22_RD_OVER_CL45(sc, phy,
6236
MDIO_REG_BANK_COMBO_IEEE0,
6237
MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
6238
&ld_pause);
6239
CL22_RD_OVER_CL45(sc, phy,
6240
MDIO_REG_BANK_COMBO_IEEE0,
6241
MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
6242
&lp_pause);
6243
pause_result = (ld_pause &
6244
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
6245
pause_result |= (lp_pause &
6246
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
6247
ELINK_DEBUG_P1(sc, "pause_result CL37 0x%x\n", pause_result);
6248
}
6249
elink_pause_resolve(phy, params, vars, pause_result);
6250
6251
}
6252
6253
static void elink_flow_ctrl_resolve(struct elink_phy *phy,
6254
struct elink_params *params,
6255
struct elink_vars *vars,
6256
uint32_t gp_status)
6257
{
6258
struct bxe_softc *sc = params->sc;
6259
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6260
6261
/* Resolve from gp_status in case of AN complete and not sgmii */
6262
if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) {
6263
/* Update the advertised flow-controlled of LD/LP in AN */
6264
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6265
elink_update_adv_fc(phy, params, vars, gp_status);
6266
/* But set the flow-control result as the requested one */
6267
vars->flow_ctrl = phy->req_flow_ctrl;
6268
} else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG)
6269
vars->flow_ctrl = params->req_fc_auto_adv;
6270
else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) &&
6271
(!(vars->phy_flags & PHY_SGMII_FLAG))) {
6272
if (elink_direct_parallel_detect_used(phy, params)) {
6273
vars->flow_ctrl = params->req_fc_auto_adv;
6274
return;
6275
}
6276
elink_update_adv_fc(phy, params, vars, gp_status);
6277
}
6278
ELINK_DEBUG_P1(sc, "flow_ctrl 0x%x\n", vars->flow_ctrl);
6279
}
6280
6281
static void elink_check_fallback_to_cl37(struct elink_phy *phy,
6282
struct elink_params *params)
6283
{
6284
struct bxe_softc *sc = params->sc;
6285
uint16_t rx_status, ustat_val, cl37_fsm_received;
6286
ELINK_DEBUG_P0(sc, "elink_check_fallback_to_cl37\n");
6287
/* Step 1: Make sure signal is detected */
6288
CL22_RD_OVER_CL45(sc, phy,
6289
MDIO_REG_BANK_RX0,
6290
MDIO_RX0_RX_STATUS,
6291
&rx_status);
6292
if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
6293
(MDIO_RX0_RX_STATUS_SIGDET)) {
6294
ELINK_DEBUG_P1(sc, "Signal is not detected. Restoring CL73."
6295
"rx_status(0x80b0) = 0x%x\n", rx_status);
6296
CL22_WR_OVER_CL45(sc, phy,
6297
MDIO_REG_BANK_CL73_IEEEB0,
6298
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6299
MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
6300
return;
6301
}
6302
/* Step 2: Check CL73 state machine */
6303
CL22_RD_OVER_CL45(sc, phy,
6304
MDIO_REG_BANK_CL73_USERB0,
6305
MDIO_CL73_USERB0_CL73_USTAT1,
6306
&ustat_val);
6307
if ((ustat_val &
6308
(MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6309
MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
6310
(MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
6311
MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
6312
ELINK_DEBUG_P1(sc, "CL73 state-machine is not stable. "
6313
"ustat_val(0x8371) = 0x%x\n", ustat_val);
6314
return;
6315
}
6316
/* Step 3: Check CL37 Message Pages received to indicate LP
6317
* supports only CL37
6318
*/
6319
CL22_RD_OVER_CL45(sc, phy,
6320
MDIO_REG_BANK_REMOTE_PHY,
6321
MDIO_REMOTE_PHY_MISC_RX_STATUS,
6322
&cl37_fsm_received);
6323
if ((cl37_fsm_received &
6324
(MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6325
MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
6326
(MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
6327
MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
6328
ELINK_DEBUG_P1(sc, "No CL37 FSM were received. "
6329
"misc_rx_status(0x8330) = 0x%x\n",
6330
cl37_fsm_received);
6331
return;
6332
}
6333
/* The combined cl37/cl73 fsm state information indicating that
6334
* we are connected to a device which does not support cl73, but
6335
* does support cl37 BAM. In this case we disable cl73 and
6336
* restart cl37 auto-neg
6337
*/
6338
6339
/* Disable CL73 */
6340
CL22_WR_OVER_CL45(sc, phy,
6341
MDIO_REG_BANK_CL73_IEEEB0,
6342
MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
6343
0);
6344
/* Restart CL37 autoneg */
6345
elink_restart_autoneg(phy, params, 0);
6346
ELINK_DEBUG_P0(sc, "Disabling CL73, and restarting CL37 autoneg\n");
6347
}
6348
6349
static void elink_xgxs_an_resolve(struct elink_phy *phy,
6350
struct elink_params *params,
6351
struct elink_vars *vars,
6352
uint32_t gp_status)
6353
{
6354
if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE)
6355
vars->link_status |=
6356
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6357
6358
if (elink_direct_parallel_detect_used(phy, params))
6359
vars->link_status |=
6360
LINK_STATUS_PARALLEL_DETECTION_USED;
6361
}
6362
static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy,
6363
struct elink_params *params,
6364
struct elink_vars *vars,
6365
uint16_t is_link_up,
6366
uint16_t speed_mask,
6367
uint16_t is_duplex)
6368
{
6369
struct bxe_softc *sc = params->sc;
6370
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6371
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
6372
if (is_link_up) {
6373
ELINK_DEBUG_P0(sc, "phy link up\n");
6374
6375
vars->phy_link_up = 1;
6376
vars->link_status |= LINK_STATUS_LINK_UP;
6377
6378
switch (speed_mask) {
6379
case ELINK_GP_STATUS_10M:
6380
vars->line_speed = ELINK_SPEED_10;
6381
if (is_duplex == DUPLEX_FULL)
6382
vars->link_status |= ELINK_LINK_10TFD;
6383
else
6384
vars->link_status |= ELINK_LINK_10THD;
6385
break;
6386
6387
case ELINK_GP_STATUS_100M:
6388
vars->line_speed = ELINK_SPEED_100;
6389
if (is_duplex == DUPLEX_FULL)
6390
vars->link_status |= ELINK_LINK_100TXFD;
6391
else
6392
vars->link_status |= ELINK_LINK_100TXHD;
6393
break;
6394
6395
case ELINK_GP_STATUS_1G:
6396
case ELINK_GP_STATUS_1G_KX:
6397
vars->line_speed = ELINK_SPEED_1000;
6398
if (is_duplex == DUPLEX_FULL)
6399
vars->link_status |= ELINK_LINK_1000TFD;
6400
else
6401
vars->link_status |= ELINK_LINK_1000THD;
6402
break;
6403
6404
case ELINK_GP_STATUS_2_5G:
6405
vars->line_speed = ELINK_SPEED_2500;
6406
if (is_duplex == DUPLEX_FULL)
6407
vars->link_status |= ELINK_LINK_2500TFD;
6408
else
6409
vars->link_status |= ELINK_LINK_2500THD;
6410
break;
6411
6412
case ELINK_GP_STATUS_5G:
6413
case ELINK_GP_STATUS_6G:
6414
ELINK_DEBUG_P1(sc,
6415
"link speed unsupported gp_status 0x%x\n",
6416
speed_mask);
6417
return ELINK_STATUS_ERROR;
6418
6419
case ELINK_GP_STATUS_10G_KX4:
6420
case ELINK_GP_STATUS_10G_HIG:
6421
case ELINK_GP_STATUS_10G_CX4:
6422
case ELINK_GP_STATUS_10G_KR:
6423
case ELINK_GP_STATUS_10G_SFI:
6424
case ELINK_GP_STATUS_10G_XFI:
6425
vars->line_speed = ELINK_SPEED_10000;
6426
vars->link_status |= ELINK_LINK_10GTFD;
6427
break;
6428
case ELINK_GP_STATUS_20G_DXGXS:
6429
case ELINK_GP_STATUS_20G_KR2:
6430
vars->line_speed = ELINK_SPEED_20000;
6431
vars->link_status |= ELINK_LINK_20GTFD;
6432
break;
6433
default:
6434
ELINK_DEBUG_P1(sc,
6435
"link speed unsupported gp_status 0x%x\n",
6436
speed_mask);
6437
return ELINK_STATUS_ERROR;
6438
}
6439
} else { /* link_down */
6440
ELINK_DEBUG_P0(sc, "phy link down\n");
6441
6442
vars->phy_link_up = 0;
6443
6444
vars->duplex = DUPLEX_FULL;
6445
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
6446
vars->mac_type = ELINK_MAC_TYPE_NONE;
6447
}
6448
ELINK_DEBUG_P2(sc, " in elink_get_link_speed_duplex vars->link_status = %x, vars->duplex = %x\n",
6449
vars->link_status, vars->duplex);
6450
ELINK_DEBUG_P2(sc, " phy_link_up %x line_speed %d\n",
6451
vars->phy_link_up, vars->line_speed);
6452
return ELINK_STATUS_OK;
6453
}
6454
6455
static elink_status_t elink_link_settings_status(struct elink_phy *phy,
6456
struct elink_params *params,
6457
struct elink_vars *vars)
6458
{
6459
struct bxe_softc *sc = params->sc;
6460
6461
uint16_t gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
6462
elink_status_t rc = ELINK_STATUS_OK;
6463
6464
/* Read gp_status */
6465
CL22_RD_OVER_CL45(sc, phy,
6466
MDIO_REG_BANK_GP_STATUS,
6467
MDIO_GP_STATUS_TOP_AN_STATUS1,
6468
&gp_status);
6469
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) {
6470
duplex = DUPLEX_FULL;
6471
ELINK_DEBUG_P1(sc, "duplex status read from phy is = %x\n",
6472
duplex);
6473
} else {
6474
ELINK_DEBUG_P1(sc, "phy status does not allow interface to be FULL_DUPLEX : %x\n",
6475
gp_status);
6476
}
6477
6478
6479
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
6480
link_up = 1;
6481
speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK;
6482
ELINK_DEBUG_P3(sc, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
6483
gp_status, link_up, speed_mask);
6484
rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
6485
duplex);
6486
if (rc == ELINK_STATUS_ERROR)
6487
return rc;
6488
6489
if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
6490
if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
6491
vars->duplex = duplex;
6492
elink_flow_ctrl_resolve(phy, params, vars, gp_status);
6493
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)
6494
elink_xgxs_an_resolve(phy, params, vars,
6495
gp_status);
6496
}
6497
} else { /* Link_down */
6498
if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
6499
ELINK_SINGLE_MEDIA_DIRECT(params)) {
6500
/* Check signal is detected */
6501
elink_check_fallback_to_cl37(phy, params);
6502
}
6503
}
6504
6505
/* Read LP advertised speeds*/
6506
if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6507
(vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
6508
uint16_t val;
6509
6510
CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_CL73_IEEEB1,
6511
MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
6512
6513
if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6514
vars->link_status |=
6515
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6516
if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6517
MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6518
vars->link_status |=
6519
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6520
6521
CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_OVER_1G,
6522
MDIO_OVER_1G_LP_UP1, &val);
6523
6524
if (val & MDIO_OVER_1G_UP1_2_5G)
6525
vars->link_status |=
6526
LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6527
if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6528
vars->link_status |=
6529
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6530
}
6531
6532
ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
6533
vars->duplex, vars->flow_ctrl, vars->link_status);
6534
return rc;
6535
}
6536
6537
static elink_status_t elink_warpcore_read_status(struct elink_phy *phy,
6538
struct elink_params *params,
6539
struct elink_vars *vars)
6540
{
6541
struct bxe_softc *sc = params->sc;
6542
uint8_t lane;
6543
uint16_t gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
6544
elink_status_t rc = ELINK_STATUS_OK;
6545
lane = elink_get_warpcore_lane(phy, params);
6546
/* Read gp_status */
6547
if ((params->loopback_mode) &&
6548
(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) {
6549
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6550
MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6551
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6552
MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
6553
link_up &= 0x1;
6554
ELINK_DEBUG_P1(sc, "params->loopback_mode link_up read = %x\n",
6555
link_up);
6556
} else if ((phy->req_line_speed > ELINK_SPEED_10000) &&
6557
(phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) {
6558
uint16_t temp_link_up;
6559
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6560
1, &temp_link_up);
6561
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6562
1, &link_up);
6563
ELINK_DEBUG_P2(sc, "PCS RX link status = 0x%x-->0x%x\n",
6564
temp_link_up, link_up);
6565
link_up &= (1<<2);
6566
if (link_up)
6567
elink_ext_phy_resolve_fc(phy, params, vars);
6568
} else {
6569
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6570
MDIO_WC_REG_GP2_STATUS_GP_2_1,
6571
&gp_status1);
6572
ELINK_DEBUG_P1(sc, "0x81d1 = 0x%x\n", gp_status1);
6573
/* Check for either KR, 1G, or AN up. */
6574
link_up = ((gp_status1 >> 8) |
6575
(gp_status1 >> 12) |
6576
(gp_status1)) &
6577
(1 << lane);
6578
if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) {
6579
uint16_t an_link;
6580
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6581
MDIO_AN_REG_STATUS, &an_link);
6582
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6583
MDIO_AN_REG_STATUS, &an_link);
6584
link_up |= (an_link & (1<<2));
6585
ELINK_DEBUG_P2(sc,"an_link = %x, link_up = %x\n", an_link,
6586
link_up);
6587
}
6588
if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) {
6589
uint16_t pd, gp_status4;
6590
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
6591
/* Check Autoneg complete */
6592
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6593
MDIO_WC_REG_GP2_STATUS_GP_2_4,
6594
&gp_status4);
6595
if (gp_status4 & ((1<<12)<<lane))
6596
vars->link_status |=
6597
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
6598
6599
/* Check parallel detect used */
6600
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6601
MDIO_WC_REG_PAR_DET_10G_STATUS,
6602
&pd);
6603
if (pd & (1<<15))
6604
vars->link_status |=
6605
LINK_STATUS_PARALLEL_DETECTION_USED;
6606
ELINK_DEBUG_P2(sc, "pd = %x, link_status = %x\n",
6607
pd, vars->link_status);
6608
}
6609
elink_ext_phy_resolve_fc(phy, params, vars);
6610
vars->duplex = duplex;
6611
ELINK_DEBUG_P3(sc, " ELINK_SINGLE_MEDIA_DIRECT duplex %x flow_ctrl 0x%x link_status 0x%x\n",
6612
vars->duplex, vars->flow_ctrl, vars->link_status);
6613
}
6614
}
6615
ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
6616
vars->duplex, vars->flow_ctrl, vars->link_status);
6617
if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
6618
ELINK_SINGLE_MEDIA_DIRECT(params)) {
6619
uint16_t val;
6620
6621
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
6622
MDIO_AN_REG_LP_AUTO_NEG2, &val);
6623
6624
if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
6625
vars->link_status |=
6626
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
6627
if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
6628
MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
6629
vars->link_status |=
6630
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6631
ELINK_DEBUG_P2(sc, "val = %x, link_status = %x\n",
6632
val, vars->link_status);
6633
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6634
MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
6635
6636
if (val & MDIO_OVER_1G_UP1_2_5G)
6637
vars->link_status |=
6638
LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
6639
if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
6640
vars->link_status |=
6641
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
6642
ELINK_DEBUG_P2(sc, "val = %x, link_status = %x\n",
6643
val, vars->link_status);
6644
6645
}
6646
6647
6648
if (lane < 2) {
6649
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6650
MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
6651
} else {
6652
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
6653
MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
6654
}
6655
ELINK_DEBUG_P2(sc, "lane %d gp_speed 0x%x\n", lane, gp_speed);
6656
6657
if ((lane & 1) == 0)
6658
gp_speed <<= 8;
6659
gp_speed &= 0x3f00;
6660
link_up = !!link_up;
6661
6662
/* Reset the TX FIFO to fix SGMII issue */
6663
rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
6664
duplex);
6665
6666
/* In case of KR link down, start up the recovering procedure */
6667
if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) &&
6668
(!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE)))
6669
vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
6670
6671
ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
6672
vars->duplex, vars->flow_ctrl, vars->link_status);
6673
return rc;
6674
}
6675
static void elink_set_gmii_tx_driver(struct elink_params *params)
6676
{
6677
struct bxe_softc *sc = params->sc;
6678
struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
6679
uint16_t lp_up2;
6680
uint16_t tx_driver;
6681
uint16_t bank;
6682
6683
/* Read precomp */
6684
CL22_RD_OVER_CL45(sc, phy,
6685
MDIO_REG_BANK_OVER_1G,
6686
MDIO_OVER_1G_LP_UP2, &lp_up2);
6687
6688
/* Bits [10:7] at lp_up2, positioned at [15:12] */
6689
lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
6690
MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
6691
MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
6692
6693
if (lp_up2 == 0)
6694
return;
6695
6696
for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
6697
bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
6698
CL22_RD_OVER_CL45(sc, phy,
6699
bank,
6700
MDIO_TX0_TX_DRIVER, &tx_driver);
6701
6702
/* Replace tx_driver bits [15:12] */
6703
if (lp_up2 !=
6704
(tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
6705
tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
6706
tx_driver |= lp_up2;
6707
CL22_WR_OVER_CL45(sc, phy,
6708
bank,
6709
MDIO_TX0_TX_DRIVER, tx_driver);
6710
}
6711
}
6712
}
6713
6714
static elink_status_t elink_emac_program(struct elink_params *params,
6715
struct elink_vars *vars)
6716
{
6717
struct bxe_softc *sc = params->sc;
6718
uint8_t port = params->port;
6719
uint16_t mode = 0;
6720
6721
ELINK_DEBUG_P0(sc, "setting link speed & duplex\n");
6722
elink_bits_dis(sc, GRCBASE_EMAC0 + port*0x400 +
6723
EMAC_REG_EMAC_MODE,
6724
(EMAC_MODE_25G_MODE |
6725
EMAC_MODE_PORT_MII_10M |
6726
EMAC_MODE_HALF_DUPLEX));
6727
switch (vars->line_speed) {
6728
case ELINK_SPEED_10:
6729
mode |= EMAC_MODE_PORT_MII_10M;
6730
break;
6731
6732
case ELINK_SPEED_100:
6733
mode |= EMAC_MODE_PORT_MII;
6734
break;
6735
6736
case ELINK_SPEED_1000:
6737
mode |= EMAC_MODE_PORT_GMII;
6738
break;
6739
6740
case ELINK_SPEED_2500:
6741
mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
6742
break;
6743
6744
default:
6745
/* 10G not valid for EMAC */
6746
ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n",
6747
vars->line_speed);
6748
return ELINK_STATUS_ERROR;
6749
}
6750
6751
if (vars->duplex == DUPLEX_HALF)
6752
mode |= EMAC_MODE_HALF_DUPLEX;
6753
elink_bits_en(sc,
6754
GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
6755
mode);
6756
6757
elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
6758
return ELINK_STATUS_OK;
6759
}
6760
6761
static void elink_set_preemphasis(struct elink_phy *phy,
6762
struct elink_params *params)
6763
{
6764
6765
uint16_t bank, i = 0;
6766
struct bxe_softc *sc = params->sc;
6767
6768
for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
6769
bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
6770
CL22_WR_OVER_CL45(sc, phy,
6771
bank,
6772
MDIO_RX0_RX_EQ_BOOST,
6773
phy->rx_preemphasis[i]);
6774
}
6775
6776
for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
6777
bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
6778
CL22_WR_OVER_CL45(sc, phy,
6779
bank,
6780
MDIO_TX0_TX_DRIVER,
6781
phy->tx_preemphasis[i]);
6782
}
6783
}
6784
6785
static void elink_xgxs_config_init(struct elink_phy *phy,
6786
struct elink_params *params,
6787
struct elink_vars *vars)
6788
{
6789
struct bxe_softc *sc = params->sc;
6790
uint8_t enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
6791
(params->loopback_mode == ELINK_LOOPBACK_XGXS));
6792
if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
6793
if (ELINK_SINGLE_MEDIA_DIRECT(params) &&
6794
(params->feature_config_flags &
6795
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
6796
elink_set_preemphasis(phy, params);
6797
6798
/* Forced speed requested? */
6799
if (vars->line_speed != ELINK_SPEED_AUTO_NEG ||
6800
(ELINK_SINGLE_MEDIA_DIRECT(params) &&
6801
params->loopback_mode == ELINK_LOOPBACK_EXT)) {
6802
ELINK_DEBUG_P0(sc, "not SGMII, no AN\n");
6803
6804
/* Disable autoneg */
6805
elink_set_autoneg(phy, params, vars, 0);
6806
6807
/* Program speed and duplex */
6808
elink_program_serdes(phy, params, vars);
6809
6810
} else { /* AN_mode */
6811
ELINK_DEBUG_P0(sc, "not SGMII, AN\n");
6812
6813
/* AN enabled */
6814
elink_set_brcm_cl37_advertisement(phy, params);
6815
6816
/* Program duplex & pause advertisement (for aneg) */
6817
elink_set_ieee_aneg_advertisement(phy, params,
6818
vars->ieee_fc);
6819
6820
/* Enable autoneg */
6821
elink_set_autoneg(phy, params, vars, enable_cl73);
6822
6823
/* Enable and restart AN */
6824
elink_restart_autoneg(phy, params, enable_cl73);
6825
}
6826
6827
} else { /* SGMII mode */
6828
ELINK_DEBUG_P0(sc, "SGMII\n");
6829
6830
elink_initialize_sgmii_process(phy, params, vars);
6831
}
6832
}
6833
6834
static elink_status_t elink_prepare_xgxs(struct elink_phy *phy,
6835
struct elink_params *params,
6836
struct elink_vars *vars)
6837
{
6838
elink_status_t rc;
6839
vars->phy_flags |= PHY_XGXS_FLAG;
6840
if ((phy->req_line_speed &&
6841
((phy->req_line_speed == ELINK_SPEED_100) ||
6842
(phy->req_line_speed == ELINK_SPEED_10))) ||
6843
(!phy->req_line_speed &&
6844
(phy->speed_cap_mask >=
6845
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
6846
(phy->speed_cap_mask <
6847
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
6848
(phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
6849
vars->phy_flags |= PHY_SGMII_FLAG;
6850
else
6851
vars->phy_flags &= ~PHY_SGMII_FLAG;
6852
6853
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
6854
elink_set_aer_mmd(params, phy);
6855
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
6856
elink_set_master_ln(params, phy);
6857
6858
rc = elink_reset_unicore(params, phy, 0);
6859
/* Reset the SerDes and wait for reset bit return low */
6860
if (rc != ELINK_STATUS_OK)
6861
return rc;
6862
6863
elink_set_aer_mmd(params, phy);
6864
/* Setting the masterLn_def again after the reset */
6865
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
6866
elink_set_master_ln(params, phy);
6867
elink_set_swap_lanes(params, phy);
6868
}
6869
6870
return rc;
6871
}
6872
6873
static uint16_t elink_wait_reset_complete(struct bxe_softc *sc,
6874
struct elink_phy *phy,
6875
struct elink_params *params)
6876
{
6877
uint16_t cnt, ctrl;
6878
/* Wait for soft reset to get cleared up to 1 sec */
6879
for (cnt = 0; cnt < 1000; cnt++) {
6880
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
6881
elink_cl22_read(sc, phy,
6882
MDIO_PMA_REG_CTRL, &ctrl);
6883
else
6884
elink_cl45_read(sc, phy,
6885
MDIO_PMA_DEVAD,
6886
MDIO_PMA_REG_CTRL, &ctrl);
6887
if (!(ctrl & (1<<15)))
6888
break;
6889
DELAY(1000 * 1);
6890
}
6891
6892
if (cnt == 1000)
6893
elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized,"
6894
// " Port %d\n",
6895
6896
ELINK_DEBUG_P2(sc, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
6897
return cnt;
6898
}
6899
6900
static void elink_link_int_enable(struct elink_params *params)
6901
{
6902
uint8_t port = params->port;
6903
uint32_t mask;
6904
struct bxe_softc *sc = params->sc;
6905
6906
/* Setting the status to report on link up for either XGXS or SerDes */
6907
if (CHIP_IS_E3(sc)) {
6908
mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS;
6909
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)))
6910
mask |= ELINK_NIG_MASK_MI_INT;
6911
} else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
6912
mask = (ELINK_NIG_MASK_XGXS0_LINK10G |
6913
ELINK_NIG_MASK_XGXS0_LINK_STATUS);
6914
ELINK_DEBUG_P0(sc, "enabled XGXS interrupt\n");
6915
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6916
params->phy[ELINK_INT_PHY].type !=
6917
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
6918
mask |= ELINK_NIG_MASK_MI_INT;
6919
ELINK_DEBUG_P0(sc, "enabled external phy int\n");
6920
}
6921
6922
} else { /* SerDes */
6923
mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS;
6924
ELINK_DEBUG_P0(sc, "enabled SerDes interrupt\n");
6925
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) &&
6926
params->phy[ELINK_INT_PHY].type !=
6927
PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
6928
mask |= ELINK_NIG_MASK_MI_INT;
6929
ELINK_DEBUG_P0(sc, "enabled external phy int\n");
6930
}
6931
}
6932
elink_bits_en(sc,
6933
NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6934
mask);
6935
6936
ELINK_DEBUG_P3(sc, "port %x, is_xgxs %x, int_status 0x%x\n", port,
6937
(params->switch_cfg == ELINK_SWITCH_CFG_10G),
6938
REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
6939
ELINK_DEBUG_P3(sc, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
6940
REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6941
REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
6942
REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
6943
ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n",
6944
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6945
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6946
}
6947
6948
static void elink_rearm_latch_signal(struct bxe_softc *sc, uint8_t port,
6949
uint8_t exp_mi_int)
6950
{
6951
uint32_t latch_status = 0;
6952
6953
/* Disable the MI INT ( external phy int ) by writing 1 to the
6954
* status register. Link down indication is high-active-signal,
6955
* so in this case we need to write the status to clear the XOR
6956
*/
6957
/* Read Latched signals */
6958
latch_status = REG_RD(sc,
6959
NIG_REG_LATCH_STATUS_0 + port*8);
6960
ELINK_DEBUG_P1(sc, "latch_status = 0x%x\n", latch_status);
6961
/* Handle only those with latched-signal=up.*/
6962
if (exp_mi_int)
6963
elink_bits_en(sc,
6964
NIG_REG_STATUS_INTERRUPT_PORT0
6965
+ port*4,
6966
ELINK_NIG_STATUS_EMAC0_MI_INT);
6967
else
6968
elink_bits_dis(sc,
6969
NIG_REG_STATUS_INTERRUPT_PORT0
6970
+ port*4,
6971
ELINK_NIG_STATUS_EMAC0_MI_INT);
6972
6973
if (latch_status & 1) {
6974
6975
/* For all latched-signal=up : Re-Arm Latch signals */
6976
REG_WR(sc, NIG_REG_LATCH_STATUS_0 + port*8,
6977
(latch_status & 0xfffe) | (latch_status & 1));
6978
}
6979
/* For all latched-signal=up,Write original_signal to status */
6980
}
6981
6982
static void elink_link_int_ack(struct elink_params *params,
6983
struct elink_vars *vars, uint8_t is_10g_plus)
6984
{
6985
struct bxe_softc *sc = params->sc;
6986
uint8_t port = params->port;
6987
uint32_t mask;
6988
/* First reset all status we assume only one line will be
6989
* change at a time
6990
*/
6991
elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
6992
(ELINK_NIG_STATUS_XGXS0_LINK10G |
6993
ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
6994
ELINK_NIG_STATUS_SERDES0_LINK_STATUS));
6995
if (vars->phy_link_up) {
6996
if (USES_WARPCORE(sc))
6997
mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS;
6998
else {
6999
if (is_10g_plus)
7000
mask = ELINK_NIG_STATUS_XGXS0_LINK10G;
7001
else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) {
7002
/* Disable the link interrupt by writing 1 to
7003
* the relevant lane in the status register
7004
*/
7005
uint32_t ser_lane =
7006
((params->lane_config &
7007
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
7008
PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
7009
mask = ((1 << ser_lane) <<
7010
ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
7011
} else
7012
mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS;
7013
}
7014
ELINK_DEBUG_P1(sc, "Ack link up interrupt with mask 0x%x\n",
7015
mask);
7016
elink_bits_en(sc,
7017
NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
7018
mask);
7019
}
7020
}
7021
7022
static elink_status_t elink_format_ver(uint32_t num, uint8_t *str, uint16_t *len)
7023
{
7024
uint8_t *str_ptr = str;
7025
uint32_t mask = 0xf0000000;
7026
uint8_t shift = 8*4;
7027
uint8_t digit;
7028
uint8_t remove_leading_zeros = 1;
7029
if (*len < 10) {
7030
/* Need more than 10chars for this format */
7031
*str_ptr = '\0';
7032
(*len)--;
7033
return ELINK_STATUS_ERROR;
7034
}
7035
while (shift > 0) {
7036
7037
shift -= 4;
7038
digit = ((num & mask) >> shift);
7039
if (digit == 0 && remove_leading_zeros) {
7040
mask = mask >> 4;
7041
continue;
7042
} else if (digit < 0xa)
7043
*str_ptr = digit + '0';
7044
else
7045
*str_ptr = digit - 0xa + 'a';
7046
remove_leading_zeros = 0;
7047
str_ptr++;
7048
(*len)--;
7049
mask = mask >> 4;
7050
if (shift == 4*4) {
7051
*str_ptr = '.';
7052
str_ptr++;
7053
(*len)--;
7054
remove_leading_zeros = 1;
7055
}
7056
}
7057
return ELINK_STATUS_OK;
7058
}
7059
7060
7061
static elink_status_t elink_null_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len)
7062
{
7063
str[0] = '\0';
7064
(*len)--;
7065
return ELINK_STATUS_OK;
7066
}
7067
7068
elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params, uint8_t *version,
7069
uint16_t len)
7070
{
7071
struct bxe_softc *sc;
7072
uint32_t spirom_ver = 0;
7073
elink_status_t status = ELINK_STATUS_OK;
7074
uint8_t *ver_p = version;
7075
uint16_t remain_len = len;
7076
if (version == NULL || params == NULL)
7077
return ELINK_STATUS_ERROR;
7078
sc = params->sc;
7079
7080
/* Extract first external phy*/
7081
version[0] = '\0';
7082
spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY1].ver_addr);
7083
7084
if (params->phy[ELINK_EXT_PHY1].format_fw_ver) {
7085
status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver,
7086
ver_p,
7087
&remain_len);
7088
ver_p += (len - remain_len);
7089
}
7090
if ((params->num_phys == ELINK_MAX_PHYS) &&
7091
(params->phy[ELINK_EXT_PHY2].ver_addr != 0)) {
7092
spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY2].ver_addr);
7093
if (params->phy[ELINK_EXT_PHY2].format_fw_ver) {
7094
*ver_p = '/';
7095
ver_p++;
7096
remain_len--;
7097
status |= params->phy[ELINK_EXT_PHY2].format_fw_ver(
7098
spirom_ver,
7099
ver_p,
7100
&remain_len);
7101
ver_p = version + (len - remain_len);
7102
}
7103
}
7104
*ver_p = '\0';
7105
return status;
7106
}
7107
7108
static void elink_set_xgxs_loopback(struct elink_phy *phy,
7109
struct elink_params *params)
7110
{
7111
uint8_t port = params->port;
7112
struct bxe_softc *sc = params->sc;
7113
7114
if (phy->req_line_speed != ELINK_SPEED_1000) {
7115
uint32_t md_devad = 0;
7116
7117
ELINK_DEBUG_P0(sc, "XGXS 10G loopback enable\n");
7118
7119
if (!CHIP_IS_E3(sc)) {
7120
/* Change the uni_phy_addr in the nig */
7121
md_devad = REG_RD(sc, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
7122
port*0x18));
7123
7124
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
7125
0x5);
7126
}
7127
7128
elink_cl45_write(sc, phy,
7129
5,
7130
(MDIO_REG_BANK_AER_BLOCK +
7131
(MDIO_AER_BLOCK_AER_REG & 0xf)),
7132
0x2800);
7133
7134
elink_cl45_write(sc, phy,
7135
5,
7136
(MDIO_REG_BANK_CL73_IEEEB0 +
7137
(MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
7138
0x6041);
7139
DELAY(1000 * 200);
7140
/* Set aer mmd back */
7141
elink_set_aer_mmd(params, phy);
7142
7143
if (!CHIP_IS_E3(sc)) {
7144
/* And md_devad */
7145
REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
7146
md_devad);
7147
}
7148
} else {
7149
uint16_t mii_ctrl;
7150
ELINK_DEBUG_P0(sc, "XGXS 1G loopback enable\n");
7151
elink_cl45_read(sc, phy, 5,
7152
(MDIO_REG_BANK_COMBO_IEEE0 +
7153
(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
7154
&mii_ctrl);
7155
elink_cl45_write(sc, phy, 5,
7156
(MDIO_REG_BANK_COMBO_IEEE0 +
7157
(MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
7158
mii_ctrl |
7159
MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
7160
}
7161
}
7162
7163
elink_status_t elink_set_led(struct elink_params *params,
7164
struct elink_vars *vars, uint8_t mode, uint32_t speed)
7165
{
7166
uint8_t port = params->port;
7167
uint16_t hw_led_mode = params->hw_led_mode;
7168
elink_status_t rc = ELINK_STATUS_OK;
7169
uint8_t phy_idx;
7170
uint32_t tmp;
7171
uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7172
struct bxe_softc *sc = params->sc;
7173
ELINK_DEBUG_P2(sc, "elink_set_led: port %x, mode %d\n", port, mode);
7174
ELINK_DEBUG_P2(sc, "speed 0x%x, hw_led_mode 0x%x\n",
7175
speed, hw_led_mode);
7176
/* In case */
7177
for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7178
if (params->phy[phy_idx].set_link_led) {
7179
params->phy[phy_idx].set_link_led(
7180
&params->phy[phy_idx], params, mode);
7181
}
7182
}
7183
#ifdef ELINK_INCLUDE_EMUL
7184
if (params->feature_config_flags &
7185
ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)
7186
return rc;
7187
#endif
7188
7189
switch (mode) {
7190
case ELINK_LED_MODE_FRONT_PANEL_OFF:
7191
case ELINK_LED_MODE_OFF:
7192
REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 0);
7193
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
7194
SHARED_HW_CFG_LED_MAC1);
7195
7196
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7197
if (params->phy[ELINK_EXT_PHY1].type ==
7198
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
7199
tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
7200
EMAC_LED_100MB_OVERRIDE |
7201
EMAC_LED_10MB_OVERRIDE);
7202
else
7203
tmp |= EMAC_LED_OVERRIDE;
7204
7205
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp);
7206
break;
7207
7208
case ELINK_LED_MODE_OPER:
7209
/* For all other phys, OPER mode is same as ON, so in case
7210
* link is down, do nothing
7211
*/
7212
if (!vars->link_up)
7213
break;
7214
case ELINK_LED_MODE_ON:
7215
if (((params->phy[ELINK_EXT_PHY1].type ==
7216
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
7217
(params->phy[ELINK_EXT_PHY1].type ==
7218
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
7219
CHIP_IS_E2(sc) && params->num_phys == 2) {
7220
/* This is a work-around for E2+8727 Configurations */
7221
if (mode == ELINK_LED_MODE_ON ||
7222
speed == ELINK_SPEED_10000){
7223
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
7224
REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1);
7225
7226
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7227
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
7228
(tmp | EMAC_LED_OVERRIDE));
7229
/* Return here without enabling traffic
7230
* LED blink and setting rate in ON mode.
7231
* In oper mode, enabling LED blink
7232
* and setting rate is needed.
7233
*/
7234
if (mode == ELINK_LED_MODE_ON)
7235
return rc;
7236
}
7237
} else if (ELINK_SINGLE_MEDIA_DIRECT(params)) {
7238
/* This is a work-around for HW issue found when link
7239
* is up in CL73
7240
*/
7241
if ((!CHIP_IS_E3(sc)) ||
7242
(CHIP_IS_E3(sc) &&
7243
mode == ELINK_LED_MODE_ON))
7244
REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1);
7245
7246
if (CHIP_IS_E1x(sc) ||
7247
CHIP_IS_E2(sc) ||
7248
(mode == ELINK_LED_MODE_ON))
7249
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
7250
else
7251
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
7252
hw_led_mode);
7253
} else if ((params->phy[ELINK_EXT_PHY1].type ==
7254
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
7255
(mode == ELINK_LED_MODE_ON)) {
7256
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0);
7257
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7258
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp |
7259
EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
7260
/* Break here; otherwise, it'll disable the
7261
* intended override.
7262
*/
7263
break;
7264
} else {
7265
uint32_t nig_led_mode = ((params->hw_led_mode <<
7266
SHARED_HW_CFG_LED_MODE_SHIFT) ==
7267
SHARED_HW_CFG_LED_EXTPHY2) ?
7268
(SHARED_HW_CFG_LED_PHY1 >>
7269
SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
7270
REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4,
7271
nig_led_mode);
7272
}
7273
7274
REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
7275
/* Set blinking rate to ~15.9Hz */
7276
if (CHIP_IS_E3(sc))
7277
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
7278
LED_BLINK_RATE_VAL_E3);
7279
else
7280
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
7281
LED_BLINK_RATE_VAL_E1X_E2);
7282
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
7283
port*4, 1);
7284
tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED);
7285
elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED,
7286
(tmp & (~EMAC_LED_OVERRIDE)));
7287
7288
if (CHIP_IS_E1(sc) &&
7289
((speed == ELINK_SPEED_2500) ||
7290
(speed == ELINK_SPEED_1000) ||
7291
(speed == ELINK_SPEED_100) ||
7292
(speed == ELINK_SPEED_10))) {
7293
/* For speeds less than 10G LED scheme is different */
7294
REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
7295
+ port*4, 1);
7296
REG_WR(sc, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
7297
port*4, 0);
7298
REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
7299
port*4, 1);
7300
}
7301
break;
7302
7303
default:
7304
rc = ELINK_STATUS_ERROR;
7305
ELINK_DEBUG_P1(sc, "elink_set_led: Invalid led mode %d\n",
7306
mode);
7307
break;
7308
}
7309
return rc;
7310
7311
}
7312
7313
/* This function comes to reflect the actual link state read DIRECTLY from the
7314
* HW
7315
*/
7316
elink_status_t elink_test_link(struct elink_params *params, struct elink_vars *vars,
7317
uint8_t is_serdes)
7318
{
7319
struct bxe_softc *sc = params->sc;
7320
uint16_t gp_status = 0, phy_index = 0;
7321
uint8_t ext_phy_link_up = 0, serdes_phy_type;
7322
struct elink_vars temp_vars;
7323
struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
7324
#ifdef ELINK_INCLUDE_FPGA
7325
if (CHIP_REV_IS_FPGA(sc))
7326
return ELINK_STATUS_OK;
7327
#endif
7328
#ifdef ELINK_INCLUDE_EMUL
7329
if (CHIP_REV_IS_EMUL(sc))
7330
return ELINK_STATUS_OK;
7331
#endif
7332
7333
if (CHIP_IS_E3(sc)) {
7334
uint16_t link_up;
7335
if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)]
7336
> ELINK_SPEED_10000) {
7337
/* Check 20G link */
7338
elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7339
1, &link_up);
7340
elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7341
1, &link_up);
7342
link_up &= (1<<2);
7343
} else {
7344
/* Check 10G link and below*/
7345
uint8_t lane = elink_get_warpcore_lane(int_phy, params);
7346
elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD,
7347
MDIO_WC_REG_GP2_STATUS_GP_2_1,
7348
&gp_status);
7349
gp_status = ((gp_status >> 8) & 0xf) |
7350
((gp_status >> 12) & 0xf);
7351
link_up = gp_status & (1 << lane);
7352
}
7353
if (!link_up)
7354
return ELINK_STATUS_NO_LINK;
7355
} else {
7356
CL22_RD_OVER_CL45(sc, int_phy,
7357
MDIO_REG_BANK_GP_STATUS,
7358
MDIO_GP_STATUS_TOP_AN_STATUS1,
7359
&gp_status);
7360
/* Link is up only if both local phy and external phy are up */
7361
if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
7362
return ELINK_STATUS_NO_LINK;
7363
}
7364
/* In XGXS loopback mode, do not check external PHY */
7365
if (params->loopback_mode == ELINK_LOOPBACK_XGXS)
7366
return ELINK_STATUS_OK;
7367
7368
switch (params->num_phys) {
7369
case 1:
7370
/* No external PHY */
7371
return ELINK_STATUS_OK;
7372
case 2:
7373
ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status(
7374
&params->phy[ELINK_EXT_PHY1],
7375
params, &temp_vars);
7376
break;
7377
case 3: /* Dual Media */
7378
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7379
phy_index++) {
7380
serdes_phy_type = ((params->phy[phy_index].media_type ==
7381
ELINK_ETH_PHY_SFPP_10G_FIBER) ||
7382
(params->phy[phy_index].media_type ==
7383
ELINK_ETH_PHY_SFP_1G_FIBER) ||
7384
(params->phy[phy_index].media_type ==
7385
ELINK_ETH_PHY_XFP_FIBER) ||
7386
(params->phy[phy_index].media_type ==
7387
ELINK_ETH_PHY_DA_TWINAX));
7388
7389
if (is_serdes != serdes_phy_type)
7390
continue;
7391
if (params->phy[phy_index].read_status) {
7392
ext_phy_link_up |=
7393
params->phy[phy_index].read_status(
7394
&params->phy[phy_index],
7395
params, &temp_vars);
7396
}
7397
}
7398
break;
7399
}
7400
if (ext_phy_link_up)
7401
return ELINK_STATUS_OK;
7402
return ELINK_STATUS_NO_LINK;
7403
}
7404
7405
static elink_status_t elink_link_initialize(struct elink_params *params,
7406
struct elink_vars *vars)
7407
{
7408
uint8_t phy_index, non_ext_phy;
7409
struct bxe_softc *sc = params->sc;
7410
/* In case of external phy existence, the line speed would be the
7411
* line speed linked up by the external phy. In case it is direct
7412
* only, then the line_speed during initialization will be
7413
* equal to the req_line_speed
7414
*/
7415
vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7416
7417
/* Initialize the internal phy in case this is a direct board
7418
* (no external phys), or this board has external phy which requires
7419
* to first.
7420
*/
7421
if (!USES_WARPCORE(sc))
7422
elink_prepare_xgxs(&params->phy[ELINK_INT_PHY], params, vars);
7423
/* init ext phy and enable link state int */
7424
non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) ||
7425
(params->loopback_mode == ELINK_LOOPBACK_XGXS));
7426
7427
if (non_ext_phy ||
7428
(params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) ||
7429
(params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) {
7430
struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
7431
if (vars->line_speed == ELINK_SPEED_AUTO_NEG &&
7432
(CHIP_IS_E1x(sc) ||
7433
CHIP_IS_E2(sc)))
7434
elink_set_parallel_detection(phy, params);
7435
if (params->phy[ELINK_INT_PHY].config_init)
7436
params->phy[ELINK_INT_PHY].config_init(phy, params, vars);
7437
}
7438
7439
/* Re-read this value in case it was changed inside config_init due to
7440
* limitations of optic module
7441
*/
7442
vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed;
7443
7444
/* Init external phy*/
7445
if (non_ext_phy) {
7446
if (params->phy[ELINK_INT_PHY].supported &
7447
ELINK_SUPPORTED_FIBRE)
7448
vars->link_status |= LINK_STATUS_SERDES_LINK;
7449
} else {
7450
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7451
phy_index++) {
7452
/* No need to initialize second phy in case of first
7453
* phy only selection. In case of second phy, we do
7454
* need to initialize the first phy, since they are
7455
* connected.
7456
*/
7457
if (params->phy[phy_index].supported &
7458
ELINK_SUPPORTED_FIBRE)
7459
vars->link_status |= LINK_STATUS_SERDES_LINK;
7460
7461
if (phy_index == ELINK_EXT_PHY2 &&
7462
(elink_phy_selection(params) ==
7463
PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
7464
ELINK_DEBUG_P0(sc,
7465
"Not initializing second phy\n");
7466
continue;
7467
}
7468
params->phy[phy_index].config_init(
7469
&params->phy[phy_index],
7470
params, vars);
7471
}
7472
}
7473
/* Reset the interrupt indication after phy was initialized */
7474
elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 +
7475
params->port*4,
7476
(ELINK_NIG_STATUS_XGXS0_LINK10G |
7477
ELINK_NIG_STATUS_XGXS0_LINK_STATUS |
7478
ELINK_NIG_STATUS_SERDES0_LINK_STATUS |
7479
ELINK_NIG_MASK_MI_INT));
7480
return ELINK_STATUS_OK;
7481
}
7482
7483
static void elink_int_link_reset(struct elink_phy *phy,
7484
struct elink_params *params)
7485
{
7486
/* Reset the SerDes/XGXS */
7487
REG_WR(params->sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
7488
(0x1ff << (params->port*16)));
7489
}
7490
7491
static void elink_common_ext_link_reset(struct elink_phy *phy,
7492
struct elink_params *params)
7493
{
7494
struct bxe_softc *sc = params->sc;
7495
uint8_t gpio_port;
7496
/* HW reset */
7497
if (CHIP_IS_E2(sc))
7498
gpio_port = SC_PATH(sc);
7499
else
7500
gpio_port = params->port;
7501
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
7502
MISC_REGISTERS_GPIO_OUTPUT_LOW,
7503
gpio_port);
7504
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
7505
MISC_REGISTERS_GPIO_OUTPUT_LOW,
7506
gpio_port);
7507
ELINK_DEBUG_P0(sc, "reset external PHY\n");
7508
}
7509
7510
static elink_status_t elink_update_link_down(struct elink_params *params,
7511
struct elink_vars *vars)
7512
{
7513
struct bxe_softc *sc = params->sc;
7514
uint8_t port = params->port;
7515
7516
ELINK_DEBUG_P1(sc, "Port %x: Link is down\n", port);
7517
elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
7518
vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
7519
/* Indicate no mac active */
7520
vars->mac_type = ELINK_MAC_TYPE_NONE;
7521
7522
/* Update shared memory */
7523
vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7524
vars->line_speed = 0;
7525
elink_update_mng(params, vars->link_status);
7526
7527
/* Activate nig drain */
7528
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
7529
7530
/* Disable emac */
7531
if (!CHIP_IS_E3(sc))
7532
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);
7533
7534
DELAY(1000 * 10);
7535
/* Reset BigMac/Xmac */
7536
if (CHIP_IS_E1x(sc) ||
7537
CHIP_IS_E2(sc))
7538
elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
7539
7540
if (CHIP_IS_E3(sc)) {
7541
/* Prevent LPI Generation by chip */
7542
REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
7543
0);
7544
REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
7545
0);
7546
vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
7547
SHMEM_EEE_ACTIVE_BIT);
7548
7549
elink_update_mng_eee(params, vars->eee_status);
7550
elink_set_xmac_rxtx(params, 0);
7551
elink_set_umac_rxtx(params, 0);
7552
}
7553
7554
return ELINK_STATUS_OK;
7555
}
7556
7557
static elink_status_t elink_update_link_up(struct elink_params *params,
7558
struct elink_vars *vars,
7559
uint8_t link_10g)
7560
{
7561
struct bxe_softc *sc = params->sc;
7562
uint8_t phy_idx, port = params->port;
7563
elink_status_t rc = ELINK_STATUS_OK;
7564
7565
vars->link_status |= (LINK_STATUS_LINK_UP |
7566
LINK_STATUS_PHYSICAL_LINK_FLAG);
7567
vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
7568
7569
if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)
7570
vars->link_status |=
7571
LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
7572
7573
if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)
7574
vars->link_status |=
7575
LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
7576
if (USES_WARPCORE(sc)) {
7577
if (link_10g) {
7578
if (elink_xmac_enable(params, vars, 0) ==
7579
ELINK_STATUS_NO_LINK) {
7580
ELINK_DEBUG_P0(sc, "Found errors on XMAC\n");
7581
vars->link_up = 0;
7582
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7583
vars->link_status &= ~LINK_STATUS_LINK_UP;
7584
}
7585
} else
7586
elink_umac_enable(params, vars, 0);
7587
elink_set_led(params, vars,
7588
ELINK_LED_MODE_OPER, vars->line_speed);
7589
7590
if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
7591
(vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
7592
ELINK_DEBUG_P0(sc, "Enabling LPI assertion\n");
7593
REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
7594
(params->port << 2), 1);
7595
REG_WR(sc, MISC_REG_CPMU_LP_DR_ENABLE, 1);
7596
REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 +
7597
(params->port << 2), 0xfc20);
7598
}
7599
}
7600
if ((CHIP_IS_E1x(sc) ||
7601
CHIP_IS_E2(sc))) {
7602
if (link_10g) {
7603
if (elink_bmac_enable(params, vars, 0, 1) ==
7604
ELINK_STATUS_NO_LINK) {
7605
ELINK_DEBUG_P0(sc, "Found errors on BMAC\n");
7606
vars->link_up = 0;
7607
vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
7608
vars->link_status &= ~LINK_STATUS_LINK_UP;
7609
}
7610
7611
elink_set_led(params, vars,
7612
ELINK_LED_MODE_OPER, ELINK_SPEED_10000);
7613
} else {
7614
rc = elink_emac_program(params, vars);
7615
elink_emac_enable(params, vars, 0);
7616
7617
/* AN complete? */
7618
if ((vars->link_status &
7619
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
7620
&& (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
7621
ELINK_SINGLE_MEDIA_DIRECT(params))
7622
elink_set_gmii_tx_driver(params);
7623
}
7624
}
7625
7626
/* PBF - link up */
7627
if (CHIP_IS_E1x(sc))
7628
rc |= elink_pbf_update(params, vars->flow_ctrl,
7629
vars->line_speed);
7630
7631
/* Disable drain */
7632
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
7633
7634
/* Update shared memory */
7635
elink_update_mng(params, vars->link_status);
7636
elink_update_mng_eee(params, vars->eee_status);
7637
/* Check remote fault */
7638
for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
7639
if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
7640
elink_check_half_open_conn(params, vars, 0);
7641
break;
7642
}
7643
}
7644
DELAY(1000 * 20);
7645
return rc;
7646
}
7647
7648
static void elink_chng_link_count(struct elink_params *params, uint8_t clear)
7649
{
7650
struct bxe_softc *sc = params->sc;
7651
uint32_t addr, val;
7652
7653
/* Verify the link_change_count is supported by the MFW */
7654
if (!(SHMEM2_HAS(sc, link_change_count)))
7655
return;
7656
7657
addr = params->shmem2_base +
7658
offsetof(struct shmem2_region, link_change_count[params->port]);
7659
if (clear)
7660
val = 0;
7661
else
7662
val = REG_RD(sc, addr) + 1;
7663
REG_WR(sc, addr, val);
7664
}
7665
7666
/* The elink_link_update function should be called upon link
7667
* interrupt.
7668
* Link is considered up as follows:
7669
* - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
7670
* to be up
7671
* - SINGLE_MEDIA - The link between the 577xx and the external
7672
* phy (XGXS) need to up as well as the external link of the
7673
* phy (PHY_EXT1)
7674
* - DUAL_MEDIA - The link between the 577xx and the first
7675
* external phy needs to be up, and at least one of the 2
7676
* external phy link must be up.
7677
*/
7678
elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars)
7679
{
7680
struct bxe_softc *sc = params->sc;
7681
struct elink_vars phy_vars[ELINK_MAX_PHYS];
7682
uint8_t port = params->port;
7683
uint8_t link_10g_plus, phy_index;
7684
uint32_t prev_link_status = vars->link_status;
7685
uint8_t ext_phy_link_up = 0, cur_link_up;
7686
elink_status_t rc = ELINK_STATUS_OK;
7687
uint16_t ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
7688
uint8_t active_external_phy = ELINK_INT_PHY;
7689
vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
7690
vars->link_status &= ~ELINK_LINK_UPDATE_MASK;
7691
for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys;
7692
phy_index++) {
7693
phy_vars[phy_index].flow_ctrl = 0;
7694
phy_vars[phy_index].link_status = 0;
7695
phy_vars[phy_index].line_speed = 0;
7696
phy_vars[phy_index].duplex = DUPLEX_FULL;
7697
phy_vars[phy_index].phy_link_up = 0;
7698
phy_vars[phy_index].link_up = 0;
7699
phy_vars[phy_index].fault_detected = 0;
7700
/* different consideration, since vars holds inner state */
7701
phy_vars[phy_index].eee_status = vars->eee_status;
7702
}
7703
7704
if (USES_WARPCORE(sc))
7705
elink_set_aer_mmd(params, &params->phy[ELINK_INT_PHY]);
7706
7707
ELINK_DEBUG_P3(sc, "port %x, XGXS?%x, int_status 0x%x\n",
7708
port, (vars->phy_flags & PHY_XGXS_FLAG),
7709
REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
7710
7711
ELINK_DEBUG_P3(sc, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
7712
REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
7713
REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18) > 0,
7714
REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
7715
7716
ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n",
7717
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
7718
REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
7719
7720
/* Disable emac */
7721
if (!CHIP_IS_E3(sc))
7722
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);
7723
7724
/* Step 1:
7725
* Check external link change only for external phys, and apply
7726
* priority selection between them in case the link on both phys
7727
* is up. Note that instead of the common vars, a temporary
7728
* vars argument is used since each phy may have different link/
7729
* speed/duplex result
7730
*/
7731
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7732
phy_index++) {
7733
struct elink_phy *phy = &params->phy[phy_index];
7734
if (!phy->read_status)
7735
continue;
7736
/* Read link status and params of this ext phy */
7737
cur_link_up = phy->read_status(phy, params,
7738
&phy_vars[phy_index]);
7739
if (cur_link_up) {
7740
ELINK_DEBUG_P1(sc, "phy in index %d link is up\n",
7741
phy_index);
7742
} else {
7743
ELINK_DEBUG_P1(sc, "phy in index %d link is down\n",
7744
phy_index);
7745
continue;
7746
}
7747
7748
if (!ext_phy_link_up) {
7749
ext_phy_link_up = 1;
7750
active_external_phy = phy_index;
7751
} else {
7752
switch (elink_phy_selection(params)) {
7753
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
7754
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
7755
/* In this option, the first PHY makes sure to pass the
7756
* traffic through itself only.
7757
* Its not clear how to reset the link on the second phy
7758
*/
7759
active_external_phy = ELINK_EXT_PHY1;
7760
break;
7761
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
7762
/* In this option, the first PHY makes sure to pass the
7763
* traffic through the second PHY.
7764
*/
7765
active_external_phy = ELINK_EXT_PHY2;
7766
break;
7767
default:
7768
/* Link indication on both PHYs with the following cases
7769
* is invalid:
7770
* - FIRST_PHY means that second phy wasn't initialized,
7771
* hence its link is expected to be down
7772
* - SECOND_PHY means that first phy should not be able
7773
* to link up by itself (using configuration)
7774
* - DEFAULT should be overridden during initialiazation
7775
*/
7776
ELINK_DEBUG_P1(sc, "Invalid link indication"
7777
"mpc=0x%x. DISABLING LINK !!!\n",
7778
params->multi_phy_config);
7779
ext_phy_link_up = 0;
7780
break;
7781
}
7782
}
7783
}
7784
prev_line_speed = vars->line_speed;
7785
/* Step 2:
7786
* Read the status of the internal phy. In case of
7787
* DIRECT_SINGLE_MEDIA board, this link is the external link,
7788
* otherwise this is the link between the 577xx and the first
7789
* external phy
7790
*/
7791
if (params->phy[ELINK_INT_PHY].read_status)
7792
params->phy[ELINK_INT_PHY].read_status(
7793
&params->phy[ELINK_INT_PHY],
7794
params, vars);
7795
/* The INT_PHY flow control reside in the vars. This include the
7796
* case where the speed or flow control are not set to AUTO.
7797
* Otherwise, the active external phy flow control result is set
7798
* to the vars. The ext_phy_line_speed is needed to check if the
7799
* speed is different between the internal phy and external phy.
7800
* This case may be result of intermediate link speed change.
7801
*/
7802
if (active_external_phy > ELINK_INT_PHY) {
7803
vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
7804
/* Link speed is taken from the XGXS. AN and FC result from
7805
* the external phy.
7806
*/
7807
vars->link_status |= phy_vars[active_external_phy].link_status;
7808
7809
/* if active_external_phy is first PHY and link is up - disable
7810
* disable TX on second external PHY
7811
*/
7812
if (active_external_phy == ELINK_EXT_PHY1) {
7813
if (params->phy[ELINK_EXT_PHY2].phy_specific_func) {
7814
ELINK_DEBUG_P0(sc,
7815
"Disabling TX on EXT_PHY2\n");
7816
params->phy[ELINK_EXT_PHY2].phy_specific_func(
7817
&params->phy[ELINK_EXT_PHY2],
7818
params, ELINK_DISABLE_TX);
7819
}
7820
}
7821
7822
ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
7823
vars->duplex = phy_vars[active_external_phy].duplex;
7824
if (params->phy[active_external_phy].supported &
7825
ELINK_SUPPORTED_FIBRE)
7826
vars->link_status |= LINK_STATUS_SERDES_LINK;
7827
else
7828
vars->link_status &= ~LINK_STATUS_SERDES_LINK;
7829
7830
vars->eee_status = phy_vars[active_external_phy].eee_status;
7831
7832
ELINK_DEBUG_P1(sc, "Active external phy selected: %x\n",
7833
active_external_phy);
7834
}
7835
7836
ELINK_DEBUG_P3(sc, "vars : phy_flags = %x, mac_type = %x, phy_link_up = %x\n",
7837
vars->phy_flags, vars->mac_type, vars->phy_link_up);
7838
ELINK_DEBUG_P3(sc, "vars : link_up = %x, line_speed = %x, duplex = %x\n",
7839
vars->link_up, vars->line_speed, vars->duplex);
7840
ELINK_DEBUG_P3(sc, "vars : flow_ctrl = %x, ieee_fc = %x, link_status = %x\n",
7841
vars->flow_ctrl, vars->ieee_fc, vars->link_status);
7842
ELINK_DEBUG_P3(sc, "vars : eee_status = %x, fault_detected = %x, check_kr2_recovery_cnt = %x\n",
7843
vars->eee_status, vars->fault_detected, vars->check_kr2_recovery_cnt);
7844
ELINK_DEBUG_P3(sc, "vars : periodic_flags = %x, aeu_int_mask = %x, rx_tx_asic_rst = %x\n",
7845
vars->periodic_flags, vars->aeu_int_mask, vars->rx_tx_asic_rst);
7846
ELINK_DEBUG_P2(sc, "vars : turn_to_run_wc_rt = %x, rsrv2 = %x\n",
7847
vars->turn_to_run_wc_rt, vars->rsrv2);
7848
7849
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
7850
phy_index++) {
7851
if (params->phy[phy_index].flags &
7852
ELINK_FLAGS_REARM_LATCH_SIGNAL) {
7853
elink_rearm_latch_signal(sc, port,
7854
phy_index ==
7855
active_external_phy);
7856
break;
7857
}
7858
}
7859
ELINK_DEBUG_P3(sc, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
7860
" ext_phy_line_speed = %d\n", vars->flow_ctrl,
7861
vars->link_status, ext_phy_line_speed);
7862
/* Upon link speed change set the NIG into drain mode. Comes to
7863
* deals with possible FIFO glitch due to clk change when speed
7864
* is decreased without link down indicator
7865
*/
7866
7867
if (vars->phy_link_up) {
7868
if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
7869
(ext_phy_line_speed != vars->line_speed)) {
7870
ELINK_DEBUG_P2(sc, "Internal link speed %d is"
7871
" different than the external"
7872
" link speed %d\n", vars->line_speed,
7873
ext_phy_line_speed);
7874
vars->phy_link_up = 0;
7875
ELINK_DEBUG_P0(sc, "phy_link_up set to 0\n");
7876
} else if (prev_line_speed != vars->line_speed) {
7877
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
7878
0);
7879
DELAY(1000 * 1);
7880
}
7881
}
7882
7883
/* Anything 10 and over uses the bmac */
7884
link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000);
7885
7886
elink_link_int_ack(params, vars, link_10g_plus);
7887
7888
/* In case external phy link is up, and internal link is down
7889
* (not initialized yet probably after link initialization, it
7890
* needs to be initialized.
7891
* Note that after link down-up as result of cable plug, the xgxs
7892
* link would probably become up again without the need
7893
* initialize it
7894
*/
7895
if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) {
7896
ELINK_DEBUG_P3(sc, "ext_phy_link_up = %d, int_link_up = %d,"
7897
" init_preceding = %d\n", ext_phy_link_up,
7898
vars->phy_link_up,
7899
params->phy[ELINK_EXT_PHY1].flags &
7900
ELINK_FLAGS_INIT_XGXS_FIRST);
7901
if (!(params->phy[ELINK_EXT_PHY1].flags &
7902
ELINK_FLAGS_INIT_XGXS_FIRST)
7903
&& ext_phy_link_up && !vars->phy_link_up) {
7904
vars->line_speed = ext_phy_line_speed;
7905
if (vars->line_speed < ELINK_SPEED_1000)
7906
vars->phy_flags |= PHY_SGMII_FLAG;
7907
else
7908
vars->phy_flags &= ~PHY_SGMII_FLAG;
7909
7910
if (params->phy[ELINK_INT_PHY].config_init)
7911
params->phy[ELINK_INT_PHY].config_init(
7912
&params->phy[ELINK_INT_PHY], params,
7913
vars);
7914
}
7915
}
7916
/* Link is up only if both local phy and external phy (in case of
7917
* non-direct board) are up and no fault detected on active PHY.
7918
*/
7919
vars->link_up = (vars->phy_link_up &&
7920
(ext_phy_link_up ||
7921
ELINK_SINGLE_MEDIA_DIRECT(params)) &&
7922
(phy_vars[active_external_phy].fault_detected == 0));
7923
7924
if(vars->link_up) {
7925
ELINK_DEBUG_P0(sc, "local phy and external phy are up\n");
7926
} else {
7927
ELINK_DEBUG_P0(sc, "either local phy or external phy or both are down\n");
7928
}
7929
7930
/* Update the PFC configuration in case it was changed */
7931
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
7932
vars->link_status |= LINK_STATUS_PFC_ENABLED;
7933
else
7934
vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
7935
7936
if (vars->link_up)
7937
rc = elink_update_link_up(params, vars, link_10g_plus);
7938
else
7939
rc = elink_update_link_down(params, vars);
7940
7941
if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
7942
elink_chng_link_count(params, 0);
7943
7944
/* Update MCP link status was changed */
7945
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX)
7946
elink_cb_fw_command(sc, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
7947
7948
return rc;
7949
}
7950
7951
/*****************************************************************************/
7952
/* External Phy section */
7953
/*****************************************************************************/
7954
void elink_ext_phy_hw_reset(struct bxe_softc *sc, uint8_t port)
7955
{
7956
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
7957
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7958
DELAY(1000 * 1);
7959
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
7960
MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7961
}
7962
7963
static void elink_save_spirom_version(struct bxe_softc *sc, uint8_t port,
7964
uint32_t spirom_ver, uint32_t ver_addr)
7965
{
7966
ELINK_DEBUG_P3(sc, "FW version 0x%x:0x%x for port %d\n",
7967
(uint16_t)(spirom_ver>>16), (uint16_t)spirom_ver, port);
7968
7969
if (ver_addr)
7970
REG_WR(sc, ver_addr, spirom_ver);
7971
}
7972
7973
static void elink_save_bcm_spirom_ver(struct bxe_softc *sc,
7974
struct elink_phy *phy,
7975
uint8_t port)
7976
{
7977
uint16_t fw_ver1, fw_ver2;
7978
7979
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
7980
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7981
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
7982
MDIO_PMA_REG_ROM_VER2, &fw_ver2);
7983
elink_save_spirom_version(sc, port, (uint32_t)(fw_ver1<<16 | fw_ver2),
7984
phy->ver_addr);
7985
}
7986
7987
static void elink_ext_phy_10G_an_resolve(struct bxe_softc *sc,
7988
struct elink_phy *phy,
7989
struct elink_vars *vars)
7990
{
7991
uint16_t val;
7992
elink_cl45_read(sc, phy,
7993
MDIO_AN_DEVAD,
7994
MDIO_AN_REG_STATUS, &val);
7995
elink_cl45_read(sc, phy,
7996
MDIO_AN_DEVAD,
7997
MDIO_AN_REG_STATUS, &val);
7998
if (val & (1<<5))
7999
vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
8000
if ((val & (1<<0)) == 0)
8001
vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
8002
}
8003
8004
/******************************************************************/
8005
/* common BCM8073/BCM8727 PHY SECTION */
8006
/******************************************************************/
8007
static void elink_8073_resolve_fc(struct elink_phy *phy,
8008
struct elink_params *params,
8009
struct elink_vars *vars)
8010
{
8011
struct bxe_softc *sc = params->sc;
8012
if (phy->req_line_speed == ELINK_SPEED_10 ||
8013
phy->req_line_speed == ELINK_SPEED_100) {
8014
vars->flow_ctrl = phy->req_flow_ctrl;
8015
return;
8016
}
8017
8018
if (elink_ext_phy_resolve_fc(phy, params, vars) &&
8019
(vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) {
8020
uint16_t pause_result;
8021
uint16_t ld_pause; /* local */
8022
uint16_t lp_pause; /* link partner */
8023
elink_cl45_read(sc, phy,
8024
MDIO_AN_DEVAD,
8025
MDIO_AN_REG_CL37_FC_LD, &ld_pause);
8026
8027
elink_cl45_read(sc, phy,
8028
MDIO_AN_DEVAD,
8029
MDIO_AN_REG_CL37_FC_LP, &lp_pause);
8030
pause_result = (ld_pause &
8031
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
8032
pause_result |= (lp_pause &
8033
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
8034
8035
elink_pause_resolve(phy, params, vars, pause_result);
8036
ELINK_DEBUG_P1(sc, "Ext PHY CL37 pause result 0x%x\n",
8037
pause_result);
8038
}
8039
}
8040
static elink_status_t elink_8073_8727_external_rom_boot(struct bxe_softc *sc,
8041
struct elink_phy *phy,
8042
uint8_t port)
8043
{
8044
uint32_t count = 0;
8045
uint16_t fw_ver1, fw_msgout;
8046
elink_status_t rc = ELINK_STATUS_OK;
8047
8048
/* Boot port from external ROM */
8049
/* EDC grst */
8050
elink_cl45_write(sc, phy,
8051
MDIO_PMA_DEVAD,
8052
MDIO_PMA_REG_GEN_CTRL,
8053
0x0001);
8054
8055
/* Ucode reboot and rst */
8056
elink_cl45_write(sc, phy,
8057
MDIO_PMA_DEVAD,
8058
MDIO_PMA_REG_GEN_CTRL,
8059
0x008c);
8060
8061
elink_cl45_write(sc, phy,
8062
MDIO_PMA_DEVAD,
8063
MDIO_PMA_REG_MISC_CTRL1, 0x0001);
8064
8065
/* Reset internal microprocessor */
8066
elink_cl45_write(sc, phy,
8067
MDIO_PMA_DEVAD,
8068
MDIO_PMA_REG_GEN_CTRL,
8069
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
8070
8071
/* Release srst bit */
8072
elink_cl45_write(sc, phy,
8073
MDIO_PMA_DEVAD,
8074
MDIO_PMA_REG_GEN_CTRL,
8075
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
8076
8077
/* Delay 100ms per the PHY specifications */
8078
DELAY(1000 * 100);
8079
8080
/* 8073 sometimes taking longer to download */
8081
do {
8082
count++;
8083
if (count > 300) {
8084
ELINK_DEBUG_P2(sc,
8085
"elink_8073_8727_external_rom_boot port %x:"
8086
"Download failed. fw version = 0x%x\n",
8087
port, fw_ver1);
8088
rc = ELINK_STATUS_ERROR;
8089
break;
8090
}
8091
8092
elink_cl45_read(sc, phy,
8093
MDIO_PMA_DEVAD,
8094
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
8095
elink_cl45_read(sc, phy,
8096
MDIO_PMA_DEVAD,
8097
MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
8098
8099
DELAY(1000 * 1);
8100
} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
8101
((fw_msgout & 0xff) != 0x03 && (phy->type ==
8102
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
8103
8104
/* Clear ser_boot_ctl bit */
8105
elink_cl45_write(sc, phy,
8106
MDIO_PMA_DEVAD,
8107
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
8108
elink_save_bcm_spirom_ver(sc, phy, port);
8109
8110
ELINK_DEBUG_P2(sc,
8111
"elink_8073_8727_external_rom_boot port %x:"
8112
"Download complete. fw version = 0x%x\n",
8113
port, fw_ver1);
8114
8115
return rc;
8116
}
8117
8118
/******************************************************************/
8119
/* BCM8073 PHY SECTION */
8120
/******************************************************************/
8121
static elink_status_t elink_8073_is_snr_needed(struct bxe_softc *sc, struct elink_phy *phy)
8122
{
8123
/* This is only required for 8073A1, version 102 only */
8124
uint16_t val;
8125
8126
/* Read 8073 HW revision*/
8127
elink_cl45_read(sc, phy,
8128
MDIO_PMA_DEVAD,
8129
MDIO_PMA_REG_8073_CHIP_REV, &val);
8130
8131
if (val != 1) {
8132
/* No need to workaround in 8073 A1 */
8133
return ELINK_STATUS_OK;
8134
}
8135
8136
elink_cl45_read(sc, phy,
8137
MDIO_PMA_DEVAD,
8138
MDIO_PMA_REG_ROM_VER2, &val);
8139
8140
/* SNR should be applied only for version 0x102 */
8141
if (val != 0x102)
8142
return ELINK_STATUS_OK;
8143
8144
return 1;
8145
}
8146
8147
static elink_status_t elink_8073_xaui_wa(struct bxe_softc *sc, struct elink_phy *phy)
8148
{
8149
uint16_t val, cnt, cnt1 ;
8150
8151
elink_cl45_read(sc, phy,
8152
MDIO_PMA_DEVAD,
8153
MDIO_PMA_REG_8073_CHIP_REV, &val);
8154
8155
if (val > 0) {
8156
/* No need to workaround in 8073 A1 */
8157
return ELINK_STATUS_OK;
8158
}
8159
/* XAUI workaround in 8073 A0: */
8160
8161
/* After loading the boot ROM and restarting Autoneg, poll
8162
* Dev1, Reg $C820:
8163
*/
8164
8165
for (cnt = 0; cnt < 1000; cnt++) {
8166
elink_cl45_read(sc, phy,
8167
MDIO_PMA_DEVAD,
8168
MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8169
&val);
8170
/* If bit [14] = 0 or bit [13] = 0, continue on with
8171
* system initialization (XAUI work-around not required, as
8172
* these bits indicate 2.5G or 1G link up).
8173
*/
8174
if (!(val & (1<<14)) || !(val & (1<<13))) {
8175
ELINK_DEBUG_P0(sc, "XAUI work-around not required\n");
8176
return ELINK_STATUS_OK;
8177
} else if (!(val & (1<<15))) {
8178
ELINK_DEBUG_P0(sc, "bit 15 went off\n");
8179
/* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
8180
* MSB (bit15) goes to 1 (indicating that the XAUI
8181
* workaround has completed), then continue on with
8182
* system initialization.
8183
*/
8184
for (cnt1 = 0; cnt1 < 1000; cnt1++) {
8185
elink_cl45_read(sc, phy,
8186
MDIO_PMA_DEVAD,
8187
MDIO_PMA_REG_8073_XAUI_WA, &val);
8188
if (val & (1<<15)) {
8189
ELINK_DEBUG_P0(sc,
8190
"XAUI workaround has completed\n");
8191
return ELINK_STATUS_OK;
8192
}
8193
DELAY(1000 * 3);
8194
}
8195
break;
8196
}
8197
DELAY(1000 * 3);
8198
}
8199
ELINK_DEBUG_P0(sc, "Warning: XAUI work-around timeout !!!\n");
8200
return ELINK_STATUS_ERROR;
8201
}
8202
8203
static void elink_807x_force_10G(struct bxe_softc *sc, struct elink_phy *phy)
8204
{
8205
/* Force KR or KX */
8206
elink_cl45_write(sc, phy,
8207
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
8208
elink_cl45_write(sc, phy,
8209
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
8210
elink_cl45_write(sc, phy,
8211
MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
8212
elink_cl45_write(sc, phy,
8213
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
8214
}
8215
8216
static void elink_8073_set_pause_cl37(struct elink_params *params,
8217
struct elink_phy *phy,
8218
struct elink_vars *vars)
8219
{
8220
uint16_t cl37_val;
8221
struct bxe_softc *sc = params->sc;
8222
elink_cl45_read(sc, phy,
8223
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
8224
8225
cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8226
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
8227
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
8228
if ((vars->ieee_fc &
8229
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
8230
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
8231
cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
8232
}
8233
if ((vars->ieee_fc &
8234
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
8235
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
8236
cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
8237
}
8238
if ((vars->ieee_fc &
8239
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
8240
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
8241
cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
8242
}
8243
ELINK_DEBUG_P1(sc,
8244
"Ext phy AN advertize cl37 0x%x\n", cl37_val);
8245
8246
elink_cl45_write(sc, phy,
8247
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
8248
DELAY(1000 * 500);
8249
}
8250
8251
static void elink_8073_specific_func(struct elink_phy *phy,
8252
struct elink_params *params,
8253
uint32_t action)
8254
{
8255
struct bxe_softc *sc = params->sc;
8256
switch (action) {
8257
case ELINK_PHY_INIT:
8258
/* Enable LASI */
8259
elink_cl45_write(sc, phy,
8260
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
8261
elink_cl45_write(sc, phy,
8262
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
8263
break;
8264
}
8265
}
8266
8267
static elink_status_t elink_8073_config_init(struct elink_phy *phy,
8268
struct elink_params *params,
8269
struct elink_vars *vars)
8270
{
8271
struct bxe_softc *sc = params->sc;
8272
uint16_t val = 0, tmp1;
8273
uint8_t gpio_port;
8274
ELINK_DEBUG_P0(sc, "Init 8073\n");
8275
8276
if (CHIP_IS_E2(sc))
8277
gpio_port = SC_PATH(sc);
8278
else
8279
gpio_port = params->port;
8280
/* Restore normal power mode*/
8281
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8282
MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8283
8284
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
8285
MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
8286
8287
elink_8073_specific_func(phy, params, ELINK_PHY_INIT);
8288
elink_8073_set_pause_cl37(params, phy, vars);
8289
8290
elink_cl45_read(sc, phy,
8291
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
8292
8293
elink_cl45_read(sc, phy,
8294
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
8295
8296
ELINK_DEBUG_P1(sc, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
8297
8298
/* Swap polarity if required - Must be done only in non-1G mode */
8299
if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8300
/* Configure the 8073 to swap _P and _N of the KR lines */
8301
ELINK_DEBUG_P0(sc, "Swapping polarity for the 8073\n");
8302
/* 10G Rx/Tx and 1G Tx signal polarity swap */
8303
elink_cl45_read(sc, phy,
8304
MDIO_PMA_DEVAD,
8305
MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
8306
elink_cl45_write(sc, phy,
8307
MDIO_PMA_DEVAD,
8308
MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
8309
(val | (3<<9)));
8310
}
8311
8312
8313
/* Enable CL37 BAM */
8314
if (REG_RD(sc, params->shmem_base +
8315
offsetof(struct shmem_region, dev_info.
8316
port_hw_config[params->port].default_cfg)) &
8317
PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
8318
8319
elink_cl45_read(sc, phy,
8320
MDIO_AN_DEVAD,
8321
MDIO_AN_REG_8073_BAM, &val);
8322
elink_cl45_write(sc, phy,
8323
MDIO_AN_DEVAD,
8324
MDIO_AN_REG_8073_BAM, val | 1);
8325
ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n");
8326
}
8327
if (params->loopback_mode == ELINK_LOOPBACK_EXT) {
8328
elink_807x_force_10G(sc, phy);
8329
ELINK_DEBUG_P0(sc, "Forced speed 10G on 807X\n");
8330
return ELINK_STATUS_OK;
8331
} else {
8332
elink_cl45_write(sc, phy,
8333
MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
8334
}
8335
if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) {
8336
if (phy->req_line_speed == ELINK_SPEED_10000) {
8337
val = (1<<7);
8338
} else if (phy->req_line_speed == ELINK_SPEED_2500) {
8339
val = (1<<5);
8340
/* Note that 2.5G works only when used with 1G
8341
* advertisement
8342
*/
8343
} else
8344
val = (1<<5);
8345
} else {
8346
val = 0;
8347
if (phy->speed_cap_mask &
8348
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
8349
val |= (1<<7);
8350
8351
/* Note that 2.5G works only when used with 1G advertisement */
8352
if (phy->speed_cap_mask &
8353
(PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
8354
PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8355
val |= (1<<5);
8356
ELINK_DEBUG_P1(sc, "807x autoneg val = 0x%x\n", val);
8357
}
8358
8359
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
8360
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
8361
8362
if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
8363
(phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) ||
8364
(phy->req_line_speed == ELINK_SPEED_2500)) {
8365
uint16_t phy_ver;
8366
/* Allow 2.5G for A1 and above */
8367
elink_cl45_read(sc, phy,
8368
MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
8369
&phy_ver);
8370
ELINK_DEBUG_P0(sc, "Add 2.5G\n");
8371
if (phy_ver > 0)
8372
tmp1 |= 1;
8373
else
8374
tmp1 &= 0xfffe;
8375
} else {
8376
ELINK_DEBUG_P0(sc, "Disable 2.5G\n");
8377
tmp1 &= 0xfffe;
8378
}
8379
8380
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
8381
/* Add support for CL37 (passive mode) II */
8382
8383
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
8384
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
8385
(tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
8386
0x20 : 0x40)));
8387
8388
/* Add support for CL37 (passive mode) III */
8389
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
8390
8391
/* The SNR will improve about 2db by changing BW and FEE main
8392
* tap. Rest commands are executed after link is up
8393
* Change FFE main cursor to 5 in EDC register
8394
*/
8395
if (elink_8073_is_snr_needed(sc, phy))
8396
elink_cl45_write(sc, phy,
8397
MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
8398
0xFB0C);
8399
8400
/* Enable FEC (Forware Error Correction) Request in the AN */
8401
elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
8402
tmp1 |= (1<<15);
8403
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
8404
8405
elink_ext_phy_set_pause(params, phy, vars);
8406
8407
/* Restart autoneg */
8408
DELAY(1000 * 500);
8409
elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
8410
ELINK_DEBUG_P2(sc, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
8411
((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
8412
return ELINK_STATUS_OK;
8413
}
8414
8415
static uint8_t elink_8073_read_status(struct elink_phy *phy,
8416
struct elink_params *params,
8417
struct elink_vars *vars)
8418
{
8419
struct bxe_softc *sc = params->sc;
8420
uint8_t link_up = 0;
8421
uint16_t val1, val2;
8422
uint16_t link_status = 0;
8423
uint16_t an1000_status = 0;
8424
8425
elink_cl45_read(sc, phy,
8426
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
8427
8428
ELINK_DEBUG_P1(sc, "8703 LASI status 0x%x\n", val1);
8429
8430
/* Clear the interrupt LASI status register */
8431
elink_cl45_read(sc, phy,
8432
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8433
elink_cl45_read(sc, phy,
8434
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
8435
ELINK_DEBUG_P2(sc, "807x PCS status 0x%x->0x%x\n", val2, val1);
8436
/* Clear MSG-OUT */
8437
elink_cl45_read(sc, phy,
8438
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
8439
8440
/* Check the LASI */
8441
elink_cl45_read(sc, phy,
8442
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
8443
8444
ELINK_DEBUG_P1(sc, "KR 0x9003 0x%x\n", val2);
8445
8446
/* Check the link status */
8447
elink_cl45_read(sc, phy,
8448
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
8449
ELINK_DEBUG_P1(sc, "KR PCS status 0x%x\n", val2);
8450
8451
elink_cl45_read(sc, phy,
8452
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8453
elink_cl45_read(sc, phy,
8454
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8455
link_up = ((val1 & 4) == 4);
8456
ELINK_DEBUG_P1(sc, "PMA_REG_STATUS=0x%x\n", val1);
8457
8458
if (link_up &&
8459
((phy->req_line_speed != ELINK_SPEED_10000))) {
8460
if (elink_8073_xaui_wa(sc, phy) != 0)
8461
return 0;
8462
}
8463
elink_cl45_read(sc, phy,
8464
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8465
elink_cl45_read(sc, phy,
8466
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
8467
8468
/* Check the link status on 1.1.2 */
8469
elink_cl45_read(sc, phy,
8470
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
8471
elink_cl45_read(sc, phy,
8472
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
8473
ELINK_DEBUG_P3(sc, "KR PMA status 0x%x->0x%x,"
8474
"an_link_status=0x%x\n", val2, val1, an1000_status);
8475
8476
link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
8477
if (link_up && elink_8073_is_snr_needed(sc, phy)) {
8478
/* The SNR will improve about 2dbby changing the BW and FEE main
8479
* tap. The 1st write to change FFE main tap is set before
8480
* restart AN. Change PLL Bandwidth in EDC register
8481
*/
8482
elink_cl45_write(sc, phy,
8483
MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
8484
0x26BC);
8485
8486
/* Change CDR Bandwidth in EDC register */
8487
elink_cl45_write(sc, phy,
8488
MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
8489
0x0333);
8490
}
8491
elink_cl45_read(sc, phy,
8492
MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
8493
&link_status);
8494
8495
/* Bits 0..2 --> speed detected, bits 13..15--> link is down */
8496
if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
8497
link_up = 1;
8498
vars->line_speed = ELINK_SPEED_10000;
8499
ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n",
8500
params->port);
8501
} else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
8502
link_up = 1;
8503
vars->line_speed = ELINK_SPEED_2500;
8504
ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G\n",
8505
params->port);
8506
} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
8507
link_up = 1;
8508
vars->line_speed = ELINK_SPEED_1000;
8509
ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n",
8510
params->port);
8511
} else {
8512
link_up = 0;
8513
ELINK_DEBUG_P1(sc, "port %x: External link is down\n",
8514
params->port);
8515
}
8516
8517
if (link_up) {
8518
/* Swap polarity if required */
8519
if (params->lane_config &
8520
PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
8521
/* Configure the 8073 to swap P and N of the KR lines */
8522
elink_cl45_read(sc, phy,
8523
MDIO_XS_DEVAD,
8524
MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
8525
/* Set bit 3 to invert Rx in 1G mode and clear this bit
8526
* when it`s in 10G mode.
8527
*/
8528
if (vars->line_speed == ELINK_SPEED_1000) {
8529
ELINK_DEBUG_P0(sc, "Swapping 1G polarity for"
8530
"the 8073\n");
8531
val1 |= (1<<3);
8532
} else
8533
val1 &= ~(1<<3);
8534
8535
elink_cl45_write(sc, phy,
8536
MDIO_XS_DEVAD,
8537
MDIO_XS_REG_8073_RX_CTRL_PCIE,
8538
val1);
8539
}
8540
elink_ext_phy_10G_an_resolve(sc, phy, vars);
8541
elink_8073_resolve_fc(phy, params, vars);
8542
vars->duplex = DUPLEX_FULL;
8543
}
8544
8545
if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
8546
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
8547
MDIO_AN_REG_LP_AUTO_NEG2, &val1);
8548
8549
if (val1 & (1<<5))
8550
vars->link_status |=
8551
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
8552
if (val1 & (1<<7))
8553
vars->link_status |=
8554
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
8555
}
8556
8557
return link_up;
8558
}
8559
8560
static void elink_8073_link_reset(struct elink_phy *phy,
8561
struct elink_params *params)
8562
{
8563
struct bxe_softc *sc = params->sc;
8564
uint8_t gpio_port;
8565
if (CHIP_IS_E2(sc))
8566
gpio_port = SC_PATH(sc);
8567
else
8568
gpio_port = params->port;
8569
ELINK_DEBUG_P1(sc, "Setting 8073 port %d into low power mode\n",
8570
gpio_port);
8571
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8572
MISC_REGISTERS_GPIO_OUTPUT_LOW,
8573
gpio_port);
8574
}
8575
8576
/******************************************************************/
8577
/* BCM8705 PHY SECTION */
8578
/******************************************************************/
8579
static elink_status_t elink_8705_config_init(struct elink_phy *phy,
8580
struct elink_params *params,
8581
struct elink_vars *vars)
8582
{
8583
struct bxe_softc *sc = params->sc;
8584
ELINK_DEBUG_P0(sc, "init 8705\n");
8585
/* Restore normal power mode*/
8586
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
8587
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
8588
/* HW reset */
8589
elink_ext_phy_hw_reset(sc, params->port);
8590
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
8591
elink_wait_reset_complete(sc, phy, params);
8592
8593
elink_cl45_write(sc, phy,
8594
MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
8595
elink_cl45_write(sc, phy,
8596
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
8597
elink_cl45_write(sc, phy,
8598
MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
8599
elink_cl45_write(sc, phy,
8600
MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
8601
/* BCM8705 doesn't have microcode, hence the 0 */
8602
elink_save_spirom_version(sc, params->port, params->shmem_base, 0);
8603
return ELINK_STATUS_OK;
8604
}
8605
8606
static uint8_t elink_8705_read_status(struct elink_phy *phy,
8607
struct elink_params *params,
8608
struct elink_vars *vars)
8609
{
8610
uint8_t link_up = 0;
8611
uint16_t val1, rx_sd;
8612
struct bxe_softc *sc = params->sc;
8613
ELINK_DEBUG_P0(sc, "read status 8705\n");
8614
elink_cl45_read(sc, phy,
8615
MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8616
ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1);
8617
8618
elink_cl45_read(sc, phy,
8619
MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
8620
ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1);
8621
8622
elink_cl45_read(sc, phy,
8623
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
8624
8625
elink_cl45_read(sc, phy,
8626
MDIO_PMA_DEVAD, 0xc809, &val1);
8627
elink_cl45_read(sc, phy,
8628
MDIO_PMA_DEVAD, 0xc809, &val1);
8629
8630
ELINK_DEBUG_P1(sc, "8705 1.c809 val=0x%x\n", val1);
8631
link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
8632
if (link_up) {
8633
vars->line_speed = ELINK_SPEED_10000;
8634
elink_ext_phy_resolve_fc(phy, params, vars);
8635
}
8636
return link_up;
8637
}
8638
8639
/******************************************************************/
8640
/* SFP+ module Section */
8641
/******************************************************************/
8642
static void elink_set_disable_pmd_transmit(struct elink_params *params,
8643
struct elink_phy *phy,
8644
uint8_t pmd_dis)
8645
{
8646
struct bxe_softc *sc = params->sc;
8647
/* Disable transmitter only for bootcodes which can enable it afterwards
8648
* (for D3 link)
8649
*/
8650
if (pmd_dis) {
8651
if (params->feature_config_flags &
8652
ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) {
8653
ELINK_DEBUG_P0(sc, "Disabling PMD transmitter\n");
8654
} else {
8655
ELINK_DEBUG_P0(sc, "NOT disabling PMD transmitter\n");
8656
return;
8657
}
8658
} else
8659
ELINK_DEBUG_P0(sc, "Enabling PMD transmitter\n");
8660
elink_cl45_write(sc, phy,
8661
MDIO_PMA_DEVAD,
8662
MDIO_PMA_REG_TX_DISABLE, pmd_dis);
8663
}
8664
8665
static uint8_t elink_get_gpio_port(struct elink_params *params)
8666
{
8667
uint8_t gpio_port;
8668
uint32_t swap_val, swap_override;
8669
struct bxe_softc *sc = params->sc;
8670
if (CHIP_IS_E2(sc))
8671
gpio_port = SC_PATH(sc);
8672
else
8673
gpio_port = params->port;
8674
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
8675
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
8676
return gpio_port ^ (swap_val && swap_override);
8677
}
8678
8679
static void elink_sfp_e1e2_set_transmitter(struct elink_params *params,
8680
struct elink_phy *phy,
8681
uint8_t tx_en)
8682
{
8683
uint16_t val;
8684
uint8_t port = params->port;
8685
struct bxe_softc *sc = params->sc;
8686
uint32_t tx_en_mode;
8687
8688
/* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
8689
tx_en_mode = REG_RD(sc, params->shmem_base +
8690
offsetof(struct shmem_region,
8691
dev_info.port_hw_config[port].sfp_ctrl)) &
8692
PORT_HW_CFG_TX_LASER_MASK;
8693
ELINK_DEBUG_P3(sc, "Setting transmitter tx_en=%x for port %x "
8694
"mode = %x\n", tx_en, port, tx_en_mode);
8695
switch (tx_en_mode) {
8696
case PORT_HW_CFG_TX_LASER_MDIO:
8697
8698
elink_cl45_read(sc, phy,
8699
MDIO_PMA_DEVAD,
8700
MDIO_PMA_REG_PHY_IDENTIFIER,
8701
&val);
8702
8703
if (tx_en)
8704
val &= ~(1<<15);
8705
else
8706
val |= (1<<15);
8707
8708
elink_cl45_write(sc, phy,
8709
MDIO_PMA_DEVAD,
8710
MDIO_PMA_REG_PHY_IDENTIFIER,
8711
val);
8712
break;
8713
case PORT_HW_CFG_TX_LASER_GPIO0:
8714
case PORT_HW_CFG_TX_LASER_GPIO1:
8715
case PORT_HW_CFG_TX_LASER_GPIO2:
8716
case PORT_HW_CFG_TX_LASER_GPIO3:
8717
{
8718
uint16_t gpio_pin;
8719
uint8_t gpio_port, gpio_mode;
8720
if (tx_en)
8721
gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
8722
else
8723
gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
8724
8725
gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
8726
gpio_port = elink_get_gpio_port(params);
8727
elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
8728
break;
8729
}
8730
default:
8731
ELINK_DEBUG_P1(sc, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
8732
break;
8733
}
8734
}
8735
8736
static void elink_sfp_set_transmitter(struct elink_params *params,
8737
struct elink_phy *phy,
8738
uint8_t tx_en)
8739
{
8740
struct bxe_softc *sc = params->sc;
8741
ELINK_DEBUG_P1(sc, "Setting SFP+ transmitter to %d\n", tx_en);
8742
if (CHIP_IS_E3(sc))
8743
elink_sfp_e3_set_transmitter(params, phy, tx_en);
8744
else
8745
elink_sfp_e1e2_set_transmitter(params, phy, tx_en);
8746
}
8747
8748
static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy,
8749
struct elink_params *params,
8750
uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
8751
uint8_t *o_buf, uint8_t is_init)
8752
{
8753
struct bxe_softc *sc = params->sc;
8754
uint16_t val = 0;
8755
uint16_t i;
8756
if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8757
ELINK_DEBUG_P0(sc,
8758
"Reading from eeprom is limited to 0xf\n");
8759
return ELINK_STATUS_ERROR;
8760
}
8761
/* Set the read command byte count */
8762
elink_cl45_write(sc, phy,
8763
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8764
(byte_cnt | (dev_addr << 8)));
8765
8766
/* Set the read command address */
8767
elink_cl45_write(sc, phy,
8768
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8769
addr);
8770
8771
/* Activate read command */
8772
elink_cl45_write(sc, phy,
8773
MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8774
0x2c0f);
8775
8776
/* Wait up to 500us for command complete status */
8777
for (i = 0; i < 100; i++) {
8778
elink_cl45_read(sc, phy,
8779
MDIO_PMA_DEVAD,
8780
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8781
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8782
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8783
break;
8784
DELAY(5);
8785
}
8786
8787
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8788
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8789
ELINK_DEBUG_P1(sc,
8790
"Got bad status 0x%x when reading from SFP+ EEPROM\n",
8791
(val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8792
return ELINK_STATUS_ERROR;
8793
}
8794
8795
/* Read the buffer */
8796
for (i = 0; i < byte_cnt; i++) {
8797
elink_cl45_read(sc, phy,
8798
MDIO_PMA_DEVAD,
8799
MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
8800
o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
8801
}
8802
8803
for (i = 0; i < 100; i++) {
8804
elink_cl45_read(sc, phy,
8805
MDIO_PMA_DEVAD,
8806
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8807
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8808
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8809
return ELINK_STATUS_OK;
8810
DELAY(1000 * 1);
8811
}
8812
return ELINK_STATUS_ERROR;
8813
}
8814
8815
static void elink_warpcore_power_module(struct elink_params *params,
8816
uint8_t power)
8817
{
8818
uint32_t pin_cfg;
8819
struct bxe_softc *sc = params->sc;
8820
8821
pin_cfg = (REG_RD(sc, params->shmem_base +
8822
offsetof(struct shmem_region,
8823
dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
8824
PORT_HW_CFG_E3_PWR_DIS_MASK) >>
8825
PORT_HW_CFG_E3_PWR_DIS_SHIFT;
8826
8827
if (pin_cfg == PIN_CFG_NA)
8828
return;
8829
ELINK_DEBUG_P2(sc, "Setting SFP+ module power to %d using pin cfg %d\n",
8830
power, pin_cfg);
8831
/* Low ==> corresponding SFP+ module is powered
8832
* high ==> the SFP+ module is powered down
8833
*/
8834
elink_set_cfg_pin(sc, pin_cfg, power ^ 1);
8835
}
8836
static elink_status_t elink_warpcore_read_sfp_module_eeprom(struct elink_phy *phy,
8837
struct elink_params *params,
8838
uint8_t dev_addr,
8839
uint16_t addr, uint8_t byte_cnt,
8840
uint8_t *o_buf, uint8_t is_init)
8841
{
8842
elink_status_t rc = ELINK_STATUS_OK;
8843
uint8_t i, j = 0, cnt = 0;
8844
uint32_t data_array[4];
8845
uint16_t addr32;
8846
struct bxe_softc *sc = params->sc;
8847
8848
if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8849
ELINK_DEBUG_P0(sc,
8850
"Reading from eeprom is limited to 16 bytes\n");
8851
return ELINK_STATUS_ERROR;
8852
}
8853
8854
/* 4 byte aligned address */
8855
addr32 = addr & (~0x3);
8856
do {
8857
if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
8858
elink_warpcore_power_module(params, 0);
8859
/* Note that 100us are not enough here */
8860
DELAY(1000 * 1);
8861
elink_warpcore_power_module(params, 1);
8862
}
8863
8864
elink_bsc_module_sel(params);
8865
rc = elink_bsc_read(sc, dev_addr, addr32, 0, byte_cnt,
8866
data_array);
8867
} while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT));
8868
8869
if (rc == ELINK_STATUS_OK) {
8870
for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
8871
o_buf[j] = *((uint8_t *)data_array + i);
8872
j++;
8873
}
8874
}
8875
8876
return rc;
8877
}
8878
8879
static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy,
8880
struct elink_params *params,
8881
uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt,
8882
uint8_t *o_buf, uint8_t is_init)
8883
{
8884
struct bxe_softc *sc = params->sc;
8885
uint16_t val, i;
8886
8887
if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) {
8888
ELINK_DEBUG_P0(sc,
8889
"Reading from eeprom is limited to 0xf\n");
8890
return ELINK_STATUS_ERROR;
8891
}
8892
8893
/* Set 2-wire transfer rate of SFP+ module EEPROM
8894
* to 100Khz since some DACs(direct attached cables) do
8895
* not work at 400Khz.
8896
*/
8897
elink_cl45_write(sc, phy,
8898
MDIO_PMA_DEVAD,
8899
MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
8900
((dev_addr << 8) | 1));
8901
8902
/* Need to read from 1.8000 to clear it */
8903
elink_cl45_read(sc, phy,
8904
MDIO_PMA_DEVAD,
8905
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8906
&val);
8907
8908
/* Set the read command byte count */
8909
elink_cl45_write(sc, phy,
8910
MDIO_PMA_DEVAD,
8911
MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
8912
((byte_cnt < 2) ? 2 : byte_cnt));
8913
8914
/* Set the read command address */
8915
elink_cl45_write(sc, phy,
8916
MDIO_PMA_DEVAD,
8917
MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
8918
addr);
8919
/* Set the destination address */
8920
elink_cl45_write(sc, phy,
8921
MDIO_PMA_DEVAD,
8922
0x8004,
8923
MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
8924
8925
/* Activate read command */
8926
elink_cl45_write(sc, phy,
8927
MDIO_PMA_DEVAD,
8928
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
8929
0x8002);
8930
/* Wait appropriate time for two-wire command to finish before
8931
* polling the status register
8932
*/
8933
DELAY(1000 * 1);
8934
8935
/* Wait up to 500us for command complete status */
8936
for (i = 0; i < 100; i++) {
8937
elink_cl45_read(sc, phy,
8938
MDIO_PMA_DEVAD,
8939
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8940
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8941
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
8942
break;
8943
DELAY(5);
8944
}
8945
8946
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
8947
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
8948
ELINK_DEBUG_P1(sc,
8949
"Got bad status 0x%x when reading from SFP+ EEPROM\n",
8950
(val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
8951
return ELINK_STATUS_TIMEOUT;
8952
}
8953
8954
/* Read the buffer */
8955
for (i = 0; i < byte_cnt; i++) {
8956
elink_cl45_read(sc, phy,
8957
MDIO_PMA_DEVAD,
8958
MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
8959
o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
8960
}
8961
8962
for (i = 0; i < 100; i++) {
8963
elink_cl45_read(sc, phy,
8964
MDIO_PMA_DEVAD,
8965
MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
8966
if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
8967
MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
8968
return ELINK_STATUS_OK;
8969
DELAY(1000 * 1);
8970
}
8971
8972
return ELINK_STATUS_ERROR;
8973
}
8974
elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy,
8975
struct elink_params *params, uint8_t dev_addr,
8976
uint16_t addr, uint16_t byte_cnt, uint8_t *o_buf)
8977
{
8978
elink_status_t rc = 0;
8979
struct bxe_softc *sc = params->sc;
8980
uint8_t xfer_size;
8981
uint8_t *user_data = o_buf;
8982
read_sfp_module_eeprom_func_p read_func;
8983
if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
8984
ELINK_DEBUG_P1(sc, "invalid dev_addr 0x%x\n", dev_addr);
8985
return ELINK_STATUS_ERROR;
8986
}
8987
8988
switch (phy->type) {
8989
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
8990
read_func = elink_8726_read_sfp_module_eeprom;
8991
break;
8992
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
8993
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
8994
read_func = elink_8727_read_sfp_module_eeprom;
8995
break;
8996
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
8997
read_func = elink_warpcore_read_sfp_module_eeprom;
8998
break;
8999
default:
9000
return ELINK_OP_NOT_SUPPORTED;
9001
}
9002
9003
while (!rc && (byte_cnt > 0)) {
9004
xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ?
9005
ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt;
9006
rc = read_func(phy, params, dev_addr, addr, xfer_size,
9007
user_data, 0);
9008
byte_cnt -= xfer_size;
9009
user_data += xfer_size;
9010
addr += xfer_size;
9011
}
9012
return rc;
9013
}
9014
9015
static elink_status_t elink_get_edc_mode(struct elink_phy *phy,
9016
struct elink_params *params,
9017
uint16_t *edc_mode)
9018
{
9019
struct bxe_softc *sc = params->sc;
9020
uint32_t sync_offset = 0, phy_idx, media_types;
9021
uint8_t val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
9022
*edc_mode = ELINK_EDC_MODE_LIMITING;
9023
phy->media_type = ELINK_ETH_PHY_UNSPECIFIED;
9024
/* First check for copper cable */
9025
if (elink_read_sfp_module_eeprom(phy,
9026
params,
9027
ELINK_I2C_DEV_ADDR_A0,
9028
0,
9029
ELINK_SFP_EEPROM_FC_TX_TECH_ADDR + 1,
9030
(uint8_t *)val) != 0) {
9031
ELINK_DEBUG_P0(sc, "Failed to read from SFP+ module EEPROM\n");
9032
return ELINK_STATUS_ERROR;
9033
}
9034
params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
9035
params->link_attr_sync |= val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] <<
9036
LINK_SFP_EEPROM_COMP_CODE_SHIFT;
9037
elink_update_link_attr(params, params->link_attr_sync);
9038
switch (val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]) {
9039
case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER:
9040
{
9041
uint8_t copper_module_type;
9042
phy->media_type = ELINK_ETH_PHY_DA_TWINAX;
9043
/* Check if its active cable (includes SFP+ module)
9044
* of passive cable
9045
*/
9046
copper_module_type = val[ELINK_SFP_EEPROM_FC_TX_TECH_ADDR];
9047
if (copper_module_type &
9048
ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
9049
ELINK_DEBUG_P0(sc, "Active Copper cable detected\n");
9050
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9051
*edc_mode = ELINK_EDC_MODE_ACTIVE_DAC;
9052
else
9053
check_limiting_mode = 1;
9054
} else {
9055
*edc_mode = ELINK_EDC_MODE_PASSIVE_DAC;
9056
/* Even in case PASSIVE_DAC indication is not set,
9057
* treat it as a passive DAC cable, since some cables
9058
* don't have this indication.
9059
*/
9060
if (copper_module_type &
9061
ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
9062
ELINK_DEBUG_P0(sc,
9063
"Passive Copper cable detected\n");
9064
} else {
9065
ELINK_DEBUG_P0(sc,
9066
"Unknown copper-cable-type\n");
9067
}
9068
}
9069
break;
9070
}
9071
case ELINK_SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
9072
case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC:
9073
case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45:
9074
check_limiting_mode = 1;
9075
/* Module is considered as 1G in case it's NOT compliant with
9076
* any 10G ethernet protocol, but is 1G Ethernet compliant.
9077
*/
9078
if (((val[ELINK_SFP_EEPROM_10G_COMP_CODE_ADDR] &
9079
(ELINK_SFP_EEPROM_10G_COMP_CODE_SR_MASK |
9080
ELINK_SFP_EEPROM_10G_COMP_CODE_LR_MASK |
9081
ELINK_SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
9082
(val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
9083
ELINK_DEBUG_P0(sc, "1G SFP module detected\n");
9084
phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER;
9085
if (phy->req_line_speed != ELINK_SPEED_1000) {
9086
uint8_t gport = params->port;
9087
phy->req_line_speed = ELINK_SPEED_1000;
9088
if (!CHIP_IS_E1x(sc)) {
9089
gport = SC_PATH(sc) +
9090
(params->port << 1);
9091
}
9092
elink_cb_event_log(sc, ELINK_LOG_ID_NON_10G_MODULE, gport); //"Warning: Link speed was forced to 1000Mbps."
9093
// " Current SFP module in port %d is not"
9094
// " compliant with 10G Ethernet\n",
9095
}
9096
9097
if (val[ELINK_SFP_EEPROM_1G_COMP_CODE_ADDR] &
9098
ELINK_SFP_EEPROM_1G_COMP_CODE_BASE_T) {
9099
/* Some 1G-baseT modules will not link up,
9100
* unless TX_EN is toggled with long delay in
9101
* between.
9102
*/
9103
elink_sfp_set_transmitter(params, phy, 0);
9104
DELAY(1000 * 40);
9105
elink_sfp_set_transmitter(params, phy, 1);
9106
}
9107
} else {
9108
int idx, cfg_idx = 0;
9109
ELINK_DEBUG_P0(sc, "10G Optic module detected\n");
9110
for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) {
9111
if (params->phy[idx].type == phy->type) {
9112
cfg_idx = ELINK_LINK_CONFIG_IDX(idx);
9113
break;
9114
}
9115
}
9116
phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
9117
phy->req_line_speed = params->req_line_speed[cfg_idx];
9118
}
9119
break;
9120
default:
9121
ELINK_DEBUG_P1(sc, "Unable to determine module type 0x%x !!!\n",
9122
val[ELINK_SFP_EEPROM_CON_TYPE_ADDR]);
9123
return ELINK_STATUS_ERROR;
9124
}
9125
sync_offset = params->shmem_base +
9126
offsetof(struct shmem_region,
9127
dev_info.port_hw_config[params->port].media_type);
9128
media_types = REG_RD(sc, sync_offset);
9129
/* Update media type for non-PMF sync */
9130
for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
9131
if (&(params->phy[phy_idx]) == phy) {
9132
media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
9133
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9134
media_types |= ((phy->media_type &
9135
PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
9136
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
9137
break;
9138
}
9139
}
9140
REG_WR(sc, sync_offset, media_types);
9141
if (check_limiting_mode) {
9142
uint8_t options[ELINK_SFP_EEPROM_OPTIONS_SIZE];
9143
if (elink_read_sfp_module_eeprom(phy,
9144
params,
9145
ELINK_I2C_DEV_ADDR_A0,
9146
ELINK_SFP_EEPROM_OPTIONS_ADDR,
9147
ELINK_SFP_EEPROM_OPTIONS_SIZE,
9148
options) != 0) {
9149
ELINK_DEBUG_P0(sc,
9150
"Failed to read Option field from module EEPROM\n");
9151
return ELINK_STATUS_ERROR;
9152
}
9153
if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
9154
*edc_mode = ELINK_EDC_MODE_LINEAR;
9155
else
9156
*edc_mode = ELINK_EDC_MODE_LIMITING;
9157
}
9158
ELINK_DEBUG_P1(sc, "EDC mode is set to 0x%x\n", *edc_mode);
9159
return ELINK_STATUS_OK;
9160
}
9161
/* This function read the relevant field from the module (SFP+), and verify it
9162
* is compliant with this board
9163
*/
9164
static elink_status_t elink_verify_sfp_module(struct elink_phy *phy,
9165
struct elink_params *params)
9166
{
9167
struct bxe_softc *sc = params->sc;
9168
uint32_t val, cmd;
9169
uint32_t fw_resp, fw_cmd_param;
9170
char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE+1];
9171
char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE+1];
9172
phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED;
9173
val = REG_RD(sc, params->shmem_base +
9174
offsetof(struct shmem_region, dev_info.
9175
port_feature_config[params->port].config));
9176
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9177
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
9178
ELINK_DEBUG_P0(sc, "NOT enforcing module verification\n");
9179
return ELINK_STATUS_OK;
9180
}
9181
9182
if (params->feature_config_flags &
9183
ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
9184
/* Use specific phy request */
9185
cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
9186
} else if (params->feature_config_flags &
9187
ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
9188
/* Use first phy request only in case of non-dual media*/
9189
if (ELINK_DUAL_MEDIA(params)) {
9190
ELINK_DEBUG_P0(sc,
9191
"FW does not support OPT MDL verification\n");
9192
return ELINK_STATUS_ERROR;
9193
}
9194
cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
9195
} else {
9196
/* No support in OPT MDL detection */
9197
ELINK_DEBUG_P0(sc,
9198
"FW does not support OPT MDL verification\n");
9199
return ELINK_STATUS_ERROR;
9200
}
9201
9202
fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
9203
fw_resp = elink_cb_fw_command(sc, cmd, fw_cmd_param);
9204
if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
9205
ELINK_DEBUG_P0(sc, "Approved module\n");
9206
return ELINK_STATUS_OK;
9207
}
9208
9209
/* Format the warning message */
9210
if (elink_read_sfp_module_eeprom(phy,
9211
params,
9212
ELINK_I2C_DEV_ADDR_A0,
9213
ELINK_SFP_EEPROM_VENDOR_NAME_ADDR,
9214
ELINK_SFP_EEPROM_VENDOR_NAME_SIZE,
9215
(uint8_t *)vendor_name))
9216
vendor_name[0] = '\0';
9217
else
9218
vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
9219
if (elink_read_sfp_module_eeprom(phy,
9220
params,
9221
ELINK_I2C_DEV_ADDR_A0,
9222
ELINK_SFP_EEPROM_PART_NO_ADDR,
9223
ELINK_SFP_EEPROM_PART_NO_SIZE,
9224
(uint8_t *)vendor_pn))
9225
vendor_pn[0] = '\0';
9226
else
9227
vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0';
9228
9229
elink_cb_event_log(sc, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port, vendor_name, vendor_pn); // "Warning: Unqualified SFP+ module detected,"
9230
// " Port %d from %s part number %s\n",
9231
9232
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
9233
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
9234
phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED;
9235
return ELINK_STATUS_ERROR;
9236
}
9237
9238
static elink_status_t elink_wait_for_sfp_module_initialized(struct elink_phy *phy,
9239
struct elink_params *params)
9240
9241
{
9242
uint8_t val;
9243
elink_status_t rc;
9244
struct bxe_softc *sc = params->sc;
9245
uint16_t timeout;
9246
/* Initialization time after hot-plug may take up to 300ms for
9247
* some phys type ( e.g. JDSU )
9248
*/
9249
9250
for (timeout = 0; timeout < 60; timeout++) {
9251
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
9252
rc = elink_warpcore_read_sfp_module_eeprom(
9253
phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val,
9254
1);
9255
else
9256
rc = elink_read_sfp_module_eeprom(phy, params,
9257
ELINK_I2C_DEV_ADDR_A0,
9258
1, 1, &val);
9259
if (rc == 0) {
9260
ELINK_DEBUG_P1(sc,
9261
"SFP+ module initialization took %d ms\n",
9262
timeout * 5);
9263
return ELINK_STATUS_OK;
9264
}
9265
DELAY(1000 * 5);
9266
}
9267
rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0,
9268
1, 1, &val);
9269
return rc;
9270
}
9271
9272
static void elink_8727_power_module(struct bxe_softc *sc,
9273
struct elink_phy *phy,
9274
uint8_t is_power_up) {
9275
/* Make sure GPIOs are not using for LED mode */
9276
uint16_t val;
9277
/* In the GPIO register, bit 4 is use to determine if the GPIOs are
9278
* operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
9279
* output
9280
* Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
9281
* Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
9282
* where the 1st bit is the over-current(only input), and 2nd bit is
9283
* for power( only output )
9284
*
9285
* In case of NOC feature is disabled and power is up, set GPIO control
9286
* as input to enable listening of over-current indication
9287
*/
9288
if (phy->flags & ELINK_FLAGS_NOC)
9289
return;
9290
if (is_power_up)
9291
val = (1<<4);
9292
else
9293
/* Set GPIO control to OUTPUT, and set the power bit
9294
* to according to the is_power_up
9295
*/
9296
val = (1<<1);
9297
9298
elink_cl45_write(sc, phy,
9299
MDIO_PMA_DEVAD,
9300
MDIO_PMA_REG_8727_GPIO_CTRL,
9301
val);
9302
}
9303
9304
static elink_status_t elink_8726_set_limiting_mode(struct bxe_softc *sc,
9305
struct elink_phy *phy,
9306
uint16_t edc_mode)
9307
{
9308
uint16_t cur_limiting_mode;
9309
9310
elink_cl45_read(sc, phy,
9311
MDIO_PMA_DEVAD,
9312
MDIO_PMA_REG_ROM_VER2,
9313
&cur_limiting_mode);
9314
ELINK_DEBUG_P1(sc, "Current Limiting mode is 0x%x\n",
9315
cur_limiting_mode);
9316
9317
if (edc_mode == ELINK_EDC_MODE_LIMITING) {
9318
ELINK_DEBUG_P0(sc, "Setting LIMITING MODE\n");
9319
elink_cl45_write(sc, phy,
9320
MDIO_PMA_DEVAD,
9321
MDIO_PMA_REG_ROM_VER2,
9322
ELINK_EDC_MODE_LIMITING);
9323
} else { /* LRM mode ( default )*/
9324
9325
ELINK_DEBUG_P0(sc, "Setting LRM MODE\n");
9326
9327
/* Changing to LRM mode takes quite few seconds. So do it only
9328
* if current mode is limiting (default is LRM)
9329
*/
9330
if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING)
9331
return ELINK_STATUS_OK;
9332
9333
elink_cl45_write(sc, phy,
9334
MDIO_PMA_DEVAD,
9335
MDIO_PMA_REG_LRM_MODE,
9336
0);
9337
elink_cl45_write(sc, phy,
9338
MDIO_PMA_DEVAD,
9339
MDIO_PMA_REG_ROM_VER2,
9340
0x128);
9341
elink_cl45_write(sc, phy,
9342
MDIO_PMA_DEVAD,
9343
MDIO_PMA_REG_MISC_CTRL0,
9344
0x4008);
9345
elink_cl45_write(sc, phy,
9346
MDIO_PMA_DEVAD,
9347
MDIO_PMA_REG_LRM_MODE,
9348
0xaaaa);
9349
}
9350
return ELINK_STATUS_OK;
9351
}
9352
9353
static elink_status_t elink_8727_set_limiting_mode(struct bxe_softc *sc,
9354
struct elink_phy *phy,
9355
uint16_t edc_mode)
9356
{
9357
uint16_t phy_identifier;
9358
uint16_t rom_ver2_val;
9359
elink_cl45_read(sc, phy,
9360
MDIO_PMA_DEVAD,
9361
MDIO_PMA_REG_PHY_IDENTIFIER,
9362
&phy_identifier);
9363
9364
elink_cl45_write(sc, phy,
9365
MDIO_PMA_DEVAD,
9366
MDIO_PMA_REG_PHY_IDENTIFIER,
9367
(phy_identifier & ~(1<<9)));
9368
9369
elink_cl45_read(sc, phy,
9370
MDIO_PMA_DEVAD,
9371
MDIO_PMA_REG_ROM_VER2,
9372
&rom_ver2_val);
9373
/* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
9374
elink_cl45_write(sc, phy,
9375
MDIO_PMA_DEVAD,
9376
MDIO_PMA_REG_ROM_VER2,
9377
(rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
9378
9379
elink_cl45_write(sc, phy,
9380
MDIO_PMA_DEVAD,
9381
MDIO_PMA_REG_PHY_IDENTIFIER,
9382
(phy_identifier | (1<<9)));
9383
9384
return ELINK_STATUS_OK;
9385
}
9386
9387
static void elink_8727_specific_func(struct elink_phy *phy,
9388
struct elink_params *params,
9389
uint32_t action)
9390
{
9391
struct bxe_softc *sc = params->sc;
9392
uint16_t val;
9393
switch (action) {
9394
case ELINK_DISABLE_TX:
9395
elink_sfp_set_transmitter(params, phy, 0);
9396
break;
9397
case ELINK_ENABLE_TX:
9398
if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED))
9399
elink_sfp_set_transmitter(params, phy, 1);
9400
break;
9401
case ELINK_PHY_INIT:
9402
elink_cl45_write(sc, phy,
9403
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9404
(1<<2) | (1<<5));
9405
elink_cl45_write(sc, phy,
9406
MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9407
0);
9408
elink_cl45_write(sc, phy,
9409
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
9410
/* Make MOD_ABS give interrupt on change */
9411
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9412
MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9413
&val);
9414
val |= (1<<12);
9415
if (phy->flags & ELINK_FLAGS_NOC)
9416
val |= (3<<5);
9417
/* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
9418
* status which reflect SFP+ module over-current
9419
*/
9420
if (!(phy->flags & ELINK_FLAGS_NOC))
9421
val &= 0xff8f; /* Reset bits 4-6 */
9422
elink_cl45_write(sc, phy,
9423
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
9424
val);
9425
break;
9426
default:
9427
ELINK_DEBUG_P1(sc, "Function 0x%x not supported by 8727\n",
9428
action);
9429
return;
9430
}
9431
}
9432
9433
static void elink_set_e1e2_module_fault_led(struct elink_params *params,
9434
uint8_t gpio_mode)
9435
{
9436
struct bxe_softc *sc = params->sc;
9437
9438
uint32_t fault_led_gpio = REG_RD(sc, params->shmem_base +
9439
offsetof(struct shmem_region,
9440
dev_info.port_hw_config[params->port].sfp_ctrl)) &
9441
PORT_HW_CFG_FAULT_MODULE_LED_MASK;
9442
switch (fault_led_gpio) {
9443
case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
9444
return;
9445
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
9446
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
9447
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
9448
case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
9449
{
9450
uint8_t gpio_port = elink_get_gpio_port(params);
9451
uint16_t gpio_pin = fault_led_gpio -
9452
PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
9453
ELINK_DEBUG_P3(sc, "Set fault module-detected led "
9454
"pin %x port %x mode %x\n",
9455
gpio_pin, gpio_port, gpio_mode);
9456
elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port);
9457
}
9458
break;
9459
default:
9460
ELINK_DEBUG_P1(sc, "Error: Invalid fault led mode 0x%x\n",
9461
fault_led_gpio);
9462
}
9463
}
9464
9465
static void elink_set_e3_module_fault_led(struct elink_params *params,
9466
uint8_t gpio_mode)
9467
{
9468
uint32_t pin_cfg;
9469
uint8_t port = params->port;
9470
struct bxe_softc *sc = params->sc;
9471
pin_cfg = (REG_RD(sc, params->shmem_base +
9472
offsetof(struct shmem_region,
9473
dev_info.port_hw_config[port].e3_sfp_ctrl)) &
9474
PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
9475
PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
9476
ELINK_DEBUG_P2(sc, "Setting Fault LED to %d using pin cfg %d\n",
9477
gpio_mode, pin_cfg);
9478
elink_set_cfg_pin(sc, pin_cfg, gpio_mode);
9479
}
9480
9481
static void elink_set_sfp_module_fault_led(struct elink_params *params,
9482
uint8_t gpio_mode)
9483
{
9484
struct bxe_softc *sc = params->sc;
9485
ELINK_DEBUG_P1(sc, "Setting SFP+ module fault LED to %d\n", gpio_mode);
9486
if (CHIP_IS_E3(sc)) {
9487
/* Low ==> if SFP+ module is supported otherwise
9488
* High ==> if SFP+ module is not on the approved vendor list
9489
*/
9490
elink_set_e3_module_fault_led(params, gpio_mode);
9491
} else
9492
elink_set_e1e2_module_fault_led(params, gpio_mode);
9493
}
9494
9495
static void elink_warpcore_hw_reset(struct elink_phy *phy,
9496
struct elink_params *params)
9497
{
9498
struct bxe_softc *sc = params->sc;
9499
elink_warpcore_power_module(params, 0);
9500
/* Put Warpcore in low power mode */
9501
REG_WR(sc, MISC_REG_WC0_RESET, 0x0c0e);
9502
9503
/* Put LCPLL in low power mode */
9504
REG_WR(sc, MISC_REG_LCPLL_E40_PWRDWN, 1);
9505
REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
9506
REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
9507
}
9508
9509
static void elink_power_sfp_module(struct elink_params *params,
9510
struct elink_phy *phy,
9511
uint8_t power)
9512
{
9513
struct bxe_softc *sc = params->sc;
9514
ELINK_DEBUG_P1(sc, "Setting SFP+ power to %x\n", power);
9515
9516
switch (phy->type) {
9517
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
9518
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
9519
elink_8727_power_module(params->sc, phy, power);
9520
break;
9521
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9522
elink_warpcore_power_module(params, power);
9523
break;
9524
default:
9525
break;
9526
}
9527
}
9528
static void elink_warpcore_set_limiting_mode(struct elink_params *params,
9529
struct elink_phy *phy,
9530
uint16_t edc_mode)
9531
{
9532
uint16_t val = 0;
9533
uint16_t mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9534
struct bxe_softc *sc = params->sc;
9535
9536
uint8_t lane = elink_get_warpcore_lane(phy, params);
9537
/* This is a global register which controls all lanes */
9538
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
9539
MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9540
val &= ~(0xf << (lane << 2));
9541
9542
switch (edc_mode) {
9543
case ELINK_EDC_MODE_LINEAR:
9544
case ELINK_EDC_MODE_LIMITING:
9545
mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
9546
break;
9547
case ELINK_EDC_MODE_PASSIVE_DAC:
9548
case ELINK_EDC_MODE_ACTIVE_DAC:
9549
mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
9550
break;
9551
default:
9552
break;
9553
}
9554
9555
val |= (mode << (lane << 2));
9556
elink_cl45_write(sc, phy, MDIO_WC_DEVAD,
9557
MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
9558
/* A must read */
9559
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
9560
MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
9561
9562
/* Restart microcode to re-read the new mode */
9563
elink_warpcore_reset_lane(sc, phy, 1);
9564
elink_warpcore_reset_lane(sc, phy, 0);
9565
9566
}
9567
9568
static void elink_set_limiting_mode(struct elink_params *params,
9569
struct elink_phy *phy,
9570
uint16_t edc_mode)
9571
{
9572
switch (phy->type) {
9573
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
9574
elink_8726_set_limiting_mode(params->sc, phy, edc_mode);
9575
break;
9576
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
9577
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
9578
elink_8727_set_limiting_mode(params->sc, phy, edc_mode);
9579
break;
9580
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
9581
elink_warpcore_set_limiting_mode(params, phy, edc_mode);
9582
break;
9583
}
9584
}
9585
9586
elink_status_t elink_sfp_module_detection(struct elink_phy *phy,
9587
struct elink_params *params)
9588
{
9589
struct bxe_softc *sc = params->sc;
9590
uint16_t edc_mode;
9591
elink_status_t rc = ELINK_STATUS_OK;
9592
9593
uint32_t val = REG_RD(sc, params->shmem_base +
9594
offsetof(struct shmem_region, dev_info.
9595
port_feature_config[params->port].config));
9596
/* Enabled transmitter by default */
9597
elink_sfp_set_transmitter(params, phy, 1);
9598
ELINK_DEBUG_P1(sc, "SFP+ module plugged in/out detected on port %d\n",
9599
params->port);
9600
/* Power up module */
9601
elink_power_sfp_module(params, phy, 1);
9602
if (elink_get_edc_mode(phy, params, &edc_mode) != 0) {
9603
ELINK_DEBUG_P0(sc, "Failed to get valid module type\n");
9604
return ELINK_STATUS_ERROR;
9605
} else if (elink_verify_sfp_module(phy, params) != 0) {
9606
/* Check SFP+ module compatibility */
9607
ELINK_DEBUG_P0(sc, "Module verification failed!!\n");
9608
rc = ELINK_STATUS_ERROR;
9609
/* Turn on fault module-detected led */
9610
elink_set_sfp_module_fault_led(params,
9611
MISC_REGISTERS_GPIO_HIGH);
9612
9613
/* Check if need to power down the SFP+ module */
9614
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9615
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
9616
ELINK_DEBUG_P0(sc, "Shutdown SFP+ module!!\n");
9617
elink_power_sfp_module(params, phy, 0);
9618
return rc;
9619
}
9620
} else {
9621
/* Turn off fault module-detected led */
9622
elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
9623
}
9624
9625
/* Check and set limiting mode / LRM mode on 8726. On 8727 it
9626
* is done automatically
9627
*/
9628
elink_set_limiting_mode(params, phy, edc_mode);
9629
9630
/* Disable transmit for this module if the module is not approved, and
9631
* laser needs to be disabled.
9632
*/
9633
if ((rc != 0) &&
9634
((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
9635
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
9636
elink_sfp_set_transmitter(params, phy, 0);
9637
9638
return rc;
9639
}
9640
9641
void elink_handle_module_detect_int(struct elink_params *params)
9642
{
9643
struct bxe_softc *sc = params->sc;
9644
struct elink_phy *phy;
9645
uint32_t gpio_val;
9646
uint8_t gpio_num, gpio_port;
9647
if (CHIP_IS_E3(sc)) {
9648
phy = &params->phy[ELINK_INT_PHY];
9649
/* Always enable TX laser,will be disabled in case of fault */
9650
elink_sfp_set_transmitter(params, phy, 1);
9651
} else {
9652
phy = &params->phy[ELINK_EXT_PHY1];
9653
}
9654
if (elink_get_mod_abs_int_cfg(sc, params->chip_id, params->shmem_base,
9655
params->port, &gpio_num, &gpio_port) ==
9656
ELINK_STATUS_ERROR) {
9657
ELINK_DEBUG_P0(sc, "Failed to get MOD_ABS interrupt config\n");
9658
return;
9659
}
9660
9661
/* Set valid module led off */
9662
elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
9663
9664
/* Get current gpio val reflecting module plugged in / out*/
9665
gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port);
9666
9667
/* Call the handling function in case module is detected */
9668
if (gpio_val == 0) {
9669
elink_set_mdio_emac_per_phy(sc, params);
9670
elink_set_aer_mmd(params, phy);
9671
9672
elink_power_sfp_module(params, phy, 1);
9673
elink_cb_gpio_int_write(sc, gpio_num,
9674
MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
9675
gpio_port);
9676
if (elink_wait_for_sfp_module_initialized(phy, params) == 0) {
9677
elink_sfp_module_detection(phy, params);
9678
if (CHIP_IS_E3(sc)) {
9679
uint16_t rx_tx_in_reset;
9680
/* In case WC is out of reset, reconfigure the
9681
* link speed while taking into account 1G
9682
* module limitation.
9683
*/
9684
elink_cl45_read(sc, phy,
9685
MDIO_WC_DEVAD,
9686
MDIO_WC_REG_DIGITAL5_MISC6,
9687
&rx_tx_in_reset);
9688
if ((!rx_tx_in_reset) &&
9689
(params->link_flags &
9690
ELINK_PHY_INITIALIZED)) {
9691
elink_warpcore_reset_lane(sc, phy, 1);
9692
elink_warpcore_config_sfi(phy, params);
9693
elink_warpcore_reset_lane(sc, phy, 0);
9694
}
9695
}
9696
} else {
9697
ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n");
9698
}
9699
} else {
9700
elink_cb_gpio_int_write(sc, gpio_num,
9701
MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
9702
gpio_port);
9703
/* Module was plugged out.
9704
* Disable transmit for this module
9705
*/
9706
phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
9707
}
9708
}
9709
9710
/******************************************************************/
9711
/* Used by 8706 and 8727 */
9712
/******************************************************************/
9713
static void elink_sfp_mask_fault(struct bxe_softc *sc,
9714
struct elink_phy *phy,
9715
uint16_t alarm_status_offset,
9716
uint16_t alarm_ctrl_offset)
9717
{
9718
uint16_t alarm_status, val;
9719
elink_cl45_read(sc, phy,
9720
MDIO_PMA_DEVAD, alarm_status_offset,
9721
&alarm_status);
9722
elink_cl45_read(sc, phy,
9723
MDIO_PMA_DEVAD, alarm_status_offset,
9724
&alarm_status);
9725
/* Mask or enable the fault event. */
9726
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
9727
if (alarm_status & (1<<0))
9728
val &= ~(1<<0);
9729
else
9730
val |= (1<<0);
9731
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
9732
}
9733
/******************************************************************/
9734
/* common BCM8706/BCM8726 PHY SECTION */
9735
/******************************************************************/
9736
static uint8_t elink_8706_8726_read_status(struct elink_phy *phy,
9737
struct elink_params *params,
9738
struct elink_vars *vars)
9739
{
9740
uint8_t link_up = 0;
9741
uint16_t val1, val2, rx_sd, pcs_status;
9742
struct bxe_softc *sc = params->sc;
9743
ELINK_DEBUG_P0(sc, "XGXS 8706/8726\n");
9744
/* Clear RX Alarm*/
9745
elink_cl45_read(sc, phy,
9746
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
9747
9748
elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
9749
MDIO_PMA_LASI_TXCTRL);
9750
9751
/* Clear LASI indication*/
9752
elink_cl45_read(sc, phy,
9753
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
9754
elink_cl45_read(sc, phy,
9755
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
9756
ELINK_DEBUG_P2(sc, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
9757
9758
elink_cl45_read(sc, phy,
9759
MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
9760
elink_cl45_read(sc, phy,
9761
MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
9762
elink_cl45_read(sc, phy,
9763
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9764
elink_cl45_read(sc, phy,
9765
MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
9766
9767
ELINK_DEBUG_P3(sc, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
9768
" link_status 0x%x\n", rx_sd, pcs_status, val2);
9769
/* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
9770
* are set, or if the autoneg bit 1 is set
9771
*/
9772
link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
9773
if (link_up) {
9774
if (val2 & (1<<1))
9775
vars->line_speed = ELINK_SPEED_1000;
9776
else
9777
vars->line_speed = ELINK_SPEED_10000;
9778
elink_ext_phy_resolve_fc(phy, params, vars);
9779
vars->duplex = DUPLEX_FULL;
9780
}
9781
9782
/* Capture 10G link fault. Read twice to clear stale value. */
9783
if (vars->line_speed == ELINK_SPEED_10000) {
9784
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9785
MDIO_PMA_LASI_TXSTAT, &val1);
9786
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
9787
MDIO_PMA_LASI_TXSTAT, &val1);
9788
if (val1 & (1<<0))
9789
vars->fault_detected = 1;
9790
}
9791
9792
return link_up;
9793
}
9794
9795
/******************************************************************/
9796
/* BCM8706 PHY SECTION */
9797
/******************************************************************/
9798
static uint8_t elink_8706_config_init(struct elink_phy *phy,
9799
struct elink_params *params,
9800
struct elink_vars *vars)
9801
{
9802
uint32_t tx_en_mode;
9803
uint16_t cnt, val, tmp1;
9804
struct bxe_softc *sc = params->sc;
9805
9806
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
9807
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
9808
/* HW reset */
9809
elink_ext_phy_hw_reset(sc, params->port);
9810
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
9811
elink_wait_reset_complete(sc, phy, params);
9812
9813
/* Wait until fw is loaded */
9814
for (cnt = 0; cnt < 100; cnt++) {
9815
elink_cl45_read(sc, phy,
9816
MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
9817
if (val)
9818
break;
9819
DELAY(1000 * 10);
9820
}
9821
ELINK_DEBUG_P1(sc, "XGXS 8706 is initialized after %d ms\n", cnt);
9822
if ((params->feature_config_flags &
9823
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
9824
uint8_t i;
9825
uint16_t reg;
9826
for (i = 0; i < 4; i++) {
9827
reg = MDIO_XS_8706_REG_BANK_RX0 +
9828
i*(MDIO_XS_8706_REG_BANK_RX1 -
9829
MDIO_XS_8706_REG_BANK_RX0);
9830
elink_cl45_read(sc, phy, MDIO_XS_DEVAD, reg, &val);
9831
/* Clear first 3 bits of the control */
9832
val &= ~0x7;
9833
/* Set control bits according to configuration */
9834
val |= (phy->rx_preemphasis[i] & 0x7);
9835
ELINK_DEBUG_P2(sc, "Setting RX Equalizer to BCM8706"
9836
" reg 0x%x <-- val 0x%x\n", reg, val);
9837
elink_cl45_write(sc, phy, MDIO_XS_DEVAD, reg, val);
9838
}
9839
}
9840
/* Force speed */
9841
if (phy->req_line_speed == ELINK_SPEED_10000) {
9842
ELINK_DEBUG_P0(sc, "XGXS 8706 force 10Gbps\n");
9843
9844
elink_cl45_write(sc, phy,
9845
MDIO_PMA_DEVAD,
9846
MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
9847
elink_cl45_write(sc, phy,
9848
MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
9849
0);
9850
/* Arm LASI for link and Tx fault. */
9851
elink_cl45_write(sc, phy,
9852
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
9853
} else {
9854
/* Force 1Gbps using autoneg with 1G advertisement */
9855
9856
/* Allow CL37 through CL73 */
9857
ELINK_DEBUG_P0(sc, "XGXS 8706 AutoNeg\n");
9858
elink_cl45_write(sc, phy,
9859
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
9860
9861
/* Enable Full-Duplex advertisement on CL37 */
9862
elink_cl45_write(sc, phy,
9863
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
9864
/* Enable CL37 AN */
9865
elink_cl45_write(sc, phy,
9866
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
9867
/* 1G support */
9868
elink_cl45_write(sc, phy,
9869
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
9870
9871
/* Enable clause 73 AN */
9872
elink_cl45_write(sc, phy,
9873
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
9874
elink_cl45_write(sc, phy,
9875
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
9876
0x0400);
9877
elink_cl45_write(sc, phy,
9878
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
9879
0x0004);
9880
}
9881
elink_save_bcm_spirom_ver(sc, phy, params->port);
9882
9883
/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
9884
* power mode, if TX Laser is disabled
9885
*/
9886
9887
tx_en_mode = REG_RD(sc, params->shmem_base +
9888
offsetof(struct shmem_region,
9889
dev_info.port_hw_config[params->port].sfp_ctrl))
9890
& PORT_HW_CFG_TX_LASER_MASK;
9891
9892
if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
9893
ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n");
9894
elink_cl45_read(sc, phy,
9895
MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
9896
tmp1 |= 0x1;
9897
elink_cl45_write(sc, phy,
9898
MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
9899
}
9900
9901
return ELINK_STATUS_OK;
9902
}
9903
9904
static elink_status_t elink_8706_read_status(struct elink_phy *phy,
9905
struct elink_params *params,
9906
struct elink_vars *vars)
9907
{
9908
return elink_8706_8726_read_status(phy, params, vars);
9909
}
9910
9911
/******************************************************************/
9912
/* BCM8726 PHY SECTION */
9913
/******************************************************************/
9914
static void elink_8726_config_loopback(struct elink_phy *phy,
9915
struct elink_params *params)
9916
{
9917
struct bxe_softc *sc = params->sc;
9918
ELINK_DEBUG_P0(sc, "PMA/PMD ext_phy_loopback: 8726\n");
9919
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
9920
}
9921
9922
static void elink_8726_external_rom_boot(struct elink_phy *phy,
9923
struct elink_params *params)
9924
{
9925
struct bxe_softc *sc = params->sc;
9926
/* Need to wait 100ms after reset */
9927
DELAY(1000 * 100);
9928
9929
/* Micro controller re-boot */
9930
elink_cl45_write(sc, phy,
9931
MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
9932
9933
/* Set soft reset */
9934
elink_cl45_write(sc, phy,
9935
MDIO_PMA_DEVAD,
9936
MDIO_PMA_REG_GEN_CTRL,
9937
MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
9938
9939
elink_cl45_write(sc, phy,
9940
MDIO_PMA_DEVAD,
9941
MDIO_PMA_REG_MISC_CTRL1, 0x0001);
9942
9943
elink_cl45_write(sc, phy,
9944
MDIO_PMA_DEVAD,
9945
MDIO_PMA_REG_GEN_CTRL,
9946
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
9947
9948
/* Wait for 150ms for microcode load */
9949
DELAY(1000 * 150);
9950
9951
/* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
9952
elink_cl45_write(sc, phy,
9953
MDIO_PMA_DEVAD,
9954
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
9955
9956
DELAY(1000 * 200);
9957
elink_save_bcm_spirom_ver(sc, phy, params->port);
9958
}
9959
9960
static uint8_t elink_8726_read_status(struct elink_phy *phy,
9961
struct elink_params *params,
9962
struct elink_vars *vars)
9963
{
9964
struct bxe_softc *sc = params->sc;
9965
uint16_t val1;
9966
uint8_t link_up = elink_8706_8726_read_status(phy, params, vars);
9967
if (link_up) {
9968
elink_cl45_read(sc, phy,
9969
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
9970
&val1);
9971
if (val1 & (1<<15)) {
9972
ELINK_DEBUG_P0(sc, "Tx is disabled\n");
9973
link_up = 0;
9974
vars->line_speed = 0;
9975
}
9976
}
9977
return link_up;
9978
}
9979
9980
9981
static elink_status_t elink_8726_config_init(struct elink_phy *phy,
9982
struct elink_params *params,
9983
struct elink_vars *vars)
9984
{
9985
struct bxe_softc *sc = params->sc;
9986
ELINK_DEBUG_P0(sc, "Initializing BCM8726\n");
9987
9988
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
9989
elink_wait_reset_complete(sc, phy, params);
9990
9991
elink_8726_external_rom_boot(phy, params);
9992
9993
/* Need to call module detected on initialization since the module
9994
* detection triggered by actual module insertion might occur before
9995
* driver is loaded, and when driver is loaded, it reset all
9996
* registers, including the transmitter
9997
*/
9998
elink_sfp_module_detection(phy, params);
9999
10000
if (phy->req_line_speed == ELINK_SPEED_1000) {
10001
ELINK_DEBUG_P0(sc, "Setting 1G force\n");
10002
elink_cl45_write(sc, phy,
10003
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10004
elink_cl45_write(sc, phy,
10005
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10006
elink_cl45_write(sc, phy,
10007
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
10008
elink_cl45_write(sc, phy,
10009
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10010
0x400);
10011
} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10012
(phy->speed_cap_mask &
10013
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
10014
((phy->speed_cap_mask &
10015
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10016
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10017
ELINK_DEBUG_P0(sc, "Setting 1G clause37\n");
10018
/* Set Flow control */
10019
elink_ext_phy_set_pause(params, phy, vars);
10020
elink_cl45_write(sc, phy,
10021
MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
10022
elink_cl45_write(sc, phy,
10023
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
10024
elink_cl45_write(sc, phy,
10025
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
10026
elink_cl45_write(sc, phy,
10027
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
10028
elink_cl45_write(sc, phy,
10029
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
10030
/* Enable RX-ALARM control to receive interrupt for 1G speed
10031
* change
10032
*/
10033
elink_cl45_write(sc, phy,
10034
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
10035
elink_cl45_write(sc, phy,
10036
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10037
0x400);
10038
10039
} else { /* Default 10G. Set only LASI control */
10040
elink_cl45_write(sc, phy,
10041
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
10042
}
10043
10044
/* Set TX PreEmphasis if needed */
10045
if ((params->feature_config_flags &
10046
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10047
ELINK_DEBUG_P2(sc,
10048
"Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
10049
phy->tx_preemphasis[0],
10050
phy->tx_preemphasis[1]);
10051
elink_cl45_write(sc, phy,
10052
MDIO_PMA_DEVAD,
10053
MDIO_PMA_REG_8726_TX_CTRL1,
10054
phy->tx_preemphasis[0]);
10055
10056
elink_cl45_write(sc, phy,
10057
MDIO_PMA_DEVAD,
10058
MDIO_PMA_REG_8726_TX_CTRL2,
10059
phy->tx_preemphasis[1]);
10060
}
10061
10062
return ELINK_STATUS_OK;
10063
10064
}
10065
10066
static void elink_8726_link_reset(struct elink_phy *phy,
10067
struct elink_params *params)
10068
{
10069
struct bxe_softc *sc = params->sc;
10070
ELINK_DEBUG_P1(sc, "elink_8726_link_reset port %d\n", params->port);
10071
/* Set serial boot control for external load */
10072
elink_cl45_write(sc, phy,
10073
MDIO_PMA_DEVAD,
10074
MDIO_PMA_REG_GEN_CTRL, 0x0001);
10075
}
10076
10077
/******************************************************************/
10078
/* BCM8727 PHY SECTION */
10079
/******************************************************************/
10080
10081
static void elink_8727_set_link_led(struct elink_phy *phy,
10082
struct elink_params *params, uint8_t mode)
10083
{
10084
struct bxe_softc *sc = params->sc;
10085
uint16_t led_mode_bitmask = 0;
10086
uint16_t gpio_pins_bitmask = 0;
10087
uint16_t val;
10088
/* Only NOC flavor requires to set the LED specifically */
10089
if (!(phy->flags & ELINK_FLAGS_NOC))
10090
return;
10091
switch (mode) {
10092
case ELINK_LED_MODE_FRONT_PANEL_OFF:
10093
case ELINK_LED_MODE_OFF:
10094
led_mode_bitmask = 0;
10095
gpio_pins_bitmask = 0x03;
10096
break;
10097
case ELINK_LED_MODE_ON:
10098
led_mode_bitmask = 0;
10099
gpio_pins_bitmask = 0x02;
10100
break;
10101
case ELINK_LED_MODE_OPER:
10102
led_mode_bitmask = 0x60;
10103
gpio_pins_bitmask = 0x11;
10104
break;
10105
}
10106
elink_cl45_read(sc, phy,
10107
MDIO_PMA_DEVAD,
10108
MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10109
&val);
10110
val &= 0xff8f;
10111
val |= led_mode_bitmask;
10112
elink_cl45_write(sc, phy,
10113
MDIO_PMA_DEVAD,
10114
MDIO_PMA_REG_8727_PCS_OPT_CTRL,
10115
val);
10116
elink_cl45_read(sc, phy,
10117
MDIO_PMA_DEVAD,
10118
MDIO_PMA_REG_8727_GPIO_CTRL,
10119
&val);
10120
val &= 0xffe0;
10121
val |= gpio_pins_bitmask;
10122
elink_cl45_write(sc, phy,
10123
MDIO_PMA_DEVAD,
10124
MDIO_PMA_REG_8727_GPIO_CTRL,
10125
val);
10126
}
10127
static void elink_8727_hw_reset(struct elink_phy *phy,
10128
struct elink_params *params) {
10129
uint32_t swap_val, swap_override;
10130
uint8_t port;
10131
/* The PHY reset is controlled by GPIO 1. Fake the port number
10132
* to cancel the swap done in set_gpio()
10133
*/
10134
struct bxe_softc *sc = params->sc;
10135
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
10136
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
10137
port = (swap_val && swap_override) ^ 1;
10138
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1,
10139
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
10140
}
10141
10142
static void elink_8727_config_speed(struct elink_phy *phy,
10143
struct elink_params *params)
10144
{
10145
struct bxe_softc *sc = params->sc;
10146
uint16_t tmp1, val;
10147
/* Set option 1G speed */
10148
if ((phy->req_line_speed == ELINK_SPEED_1000) ||
10149
(phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) {
10150
ELINK_DEBUG_P0(sc, "Setting 1G force\n");
10151
elink_cl45_write(sc, phy,
10152
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
10153
elink_cl45_write(sc, phy,
10154
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
10155
elink_cl45_read(sc, phy,
10156
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
10157
ELINK_DEBUG_P1(sc, "1.7 = 0x%x\n", tmp1);
10158
/* Power down the XAUI until link is up in case of dual-media
10159
* and 1G
10160
*/
10161
if (ELINK_DUAL_MEDIA(params)) {
10162
elink_cl45_read(sc, phy,
10163
MDIO_PMA_DEVAD,
10164
MDIO_PMA_REG_8727_PCS_GP, &val);
10165
val |= (3<<10);
10166
elink_cl45_write(sc, phy,
10167
MDIO_PMA_DEVAD,
10168
MDIO_PMA_REG_8727_PCS_GP, val);
10169
}
10170
} else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10171
((phy->speed_cap_mask &
10172
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
10173
((phy->speed_cap_mask &
10174
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
10175
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
10176
10177
ELINK_DEBUG_P0(sc, "Setting 1G clause37\n");
10178
elink_cl45_write(sc, phy,
10179
MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
10180
elink_cl45_write(sc, phy,
10181
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
10182
} else {
10183
/* Since the 8727 has only single reset pin, need to set the 10G
10184
* registers although it is default
10185
*/
10186
elink_cl45_write(sc, phy,
10187
MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
10188
0x0020);
10189
elink_cl45_write(sc, phy,
10190
MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
10191
elink_cl45_write(sc, phy,
10192
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
10193
elink_cl45_write(sc, phy,
10194
MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
10195
0x0008);
10196
}
10197
}
10198
10199
static elink_status_t elink_8727_config_init(struct elink_phy *phy,
10200
struct elink_params *params,
10201
struct elink_vars *vars)
10202
{
10203
uint32_t tx_en_mode;
10204
uint16_t tmp1, mod_abs, tmp2;
10205
struct bxe_softc *sc = params->sc;
10206
/* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
10207
10208
elink_wait_reset_complete(sc, phy, params);
10209
10210
ELINK_DEBUG_P0(sc, "Initializing BCM8727\n");
10211
10212
elink_8727_specific_func(phy, params, ELINK_PHY_INIT);
10213
/* Initially configure MOD_ABS to interrupt when module is
10214
* presence( bit 8)
10215
*/
10216
elink_cl45_read(sc, phy,
10217
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10218
/* Set EDC off by setting OPTXLOS signal input to low (bit 9).
10219
* When the EDC is off it locks onto a reference clock and avoids
10220
* becoming 'lost'
10221
*/
10222
mod_abs &= ~(1<<8);
10223
if (!(phy->flags & ELINK_FLAGS_NOC))
10224
mod_abs &= ~(1<<9);
10225
elink_cl45_write(sc, phy,
10226
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10227
10228
/* Enable/Disable PHY transmitter output */
10229
elink_set_disable_pmd_transmit(params, phy, 0);
10230
10231
elink_8727_power_module(sc, phy, 1);
10232
10233
elink_cl45_read(sc, phy,
10234
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
10235
10236
elink_cl45_read(sc, phy,
10237
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
10238
10239
elink_8727_config_speed(phy, params);
10240
10241
10242
/* Set TX PreEmphasis if needed */
10243
if ((params->feature_config_flags &
10244
ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
10245
ELINK_DEBUG_P2(sc, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
10246
phy->tx_preemphasis[0],
10247
phy->tx_preemphasis[1]);
10248
elink_cl45_write(sc, phy,
10249
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
10250
phy->tx_preemphasis[0]);
10251
10252
elink_cl45_write(sc, phy,
10253
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
10254
phy->tx_preemphasis[1]);
10255
}
10256
10257
/* If TX Laser is controlled by GPIO_0, do not let PHY go into low
10258
* power mode, if TX Laser is disabled
10259
*/
10260
tx_en_mode = REG_RD(sc, params->shmem_base +
10261
offsetof(struct shmem_region,
10262
dev_info.port_hw_config[params->port].sfp_ctrl))
10263
& PORT_HW_CFG_TX_LASER_MASK;
10264
10265
if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
10266
10267
ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n");
10268
elink_cl45_read(sc, phy,
10269
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
10270
tmp2 |= 0x1000;
10271
tmp2 &= 0xFFEF;
10272
elink_cl45_write(sc, phy,
10273
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
10274
elink_cl45_read(sc, phy,
10275
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10276
&tmp2);
10277
elink_cl45_write(sc, phy,
10278
MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
10279
(tmp2 & 0x7fff));
10280
}
10281
10282
return ELINK_STATUS_OK;
10283
}
10284
10285
static void elink_8727_handle_mod_abs(struct elink_phy *phy,
10286
struct elink_params *params)
10287
{
10288
struct bxe_softc *sc = params->sc;
10289
uint16_t mod_abs, rx_alarm_status;
10290
uint32_t val = REG_RD(sc, params->shmem_base +
10291
offsetof(struct shmem_region, dev_info.
10292
port_feature_config[params->port].
10293
config));
10294
elink_cl45_read(sc, phy,
10295
MDIO_PMA_DEVAD,
10296
MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
10297
if (mod_abs & (1<<8)) {
10298
10299
/* Module is absent */
10300
ELINK_DEBUG_P0(sc,
10301
"MOD_ABS indication show module is absent\n");
10302
phy->media_type = ELINK_ETH_PHY_NOT_PRESENT;
10303
/* 1. Set mod_abs to detect next module
10304
* presence event
10305
* 2. Set EDC off by setting OPTXLOS signal input to low
10306
* (bit 9).
10307
* When the EDC is off it locks onto a reference clock and
10308
* avoids becoming 'lost'.
10309
*/
10310
mod_abs &= ~(1<<8);
10311
if (!(phy->flags & ELINK_FLAGS_NOC))
10312
mod_abs &= ~(1<<9);
10313
elink_cl45_write(sc, phy,
10314
MDIO_PMA_DEVAD,
10315
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10316
10317
/* Clear RX alarm since it stays up as long as
10318
* the mod_abs wasn't changed
10319
*/
10320
elink_cl45_read(sc, phy,
10321
MDIO_PMA_DEVAD,
10322
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10323
10324
} else {
10325
/* Module is present */
10326
ELINK_DEBUG_P0(sc,
10327
"MOD_ABS indication show module is present\n");
10328
/* First disable transmitter, and if the module is ok, the
10329
* module_detection will enable it
10330
* 1. Set mod_abs to detect next module absent event ( bit 8)
10331
* 2. Restore the default polarity of the OPRXLOS signal and
10332
* this signal will then correctly indicate the presence or
10333
* absence of the Rx signal. (bit 9)
10334
*/
10335
mod_abs |= (1<<8);
10336
if (!(phy->flags & ELINK_FLAGS_NOC))
10337
mod_abs |= (1<<9);
10338
elink_cl45_write(sc, phy,
10339
MDIO_PMA_DEVAD,
10340
MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
10341
10342
/* Clear RX alarm since it stays up as long as the mod_abs
10343
* wasn't changed. This is need to be done before calling the
10344
* module detection, otherwise it will clear* the link update
10345
* alarm
10346
*/
10347
elink_cl45_read(sc, phy,
10348
MDIO_PMA_DEVAD,
10349
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10350
10351
10352
if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
10353
PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
10354
elink_sfp_set_transmitter(params, phy, 0);
10355
10356
if (elink_wait_for_sfp_module_initialized(phy, params) == 0)
10357
elink_sfp_module_detection(phy, params);
10358
else
10359
ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n");
10360
10361
/* Reconfigure link speed based on module type limitations */
10362
elink_8727_config_speed(phy, params);
10363
}
10364
10365
ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n",
10366
rx_alarm_status);
10367
/* No need to check link status in case of module plugged in/out */
10368
}
10369
10370
static uint8_t elink_8727_read_status(struct elink_phy *phy,
10371
struct elink_params *params,
10372
struct elink_vars *vars)
10373
10374
{
10375
struct bxe_softc *sc = params->sc;
10376
uint8_t link_up = 0;
10377
uint16_t link_status = 0;
10378
uint16_t rx_alarm_status, lasi_ctrl, val1;
10379
10380
/* If PHY is not initialized, do not check link status */
10381
elink_cl45_read(sc, phy,
10382
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
10383
&lasi_ctrl);
10384
if (!lasi_ctrl)
10385
return 0;
10386
10387
/* Check the LASI on Rx */
10388
elink_cl45_read(sc, phy,
10389
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
10390
&rx_alarm_status);
10391
vars->line_speed = 0;
10392
ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
10393
10394
elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT,
10395
MDIO_PMA_LASI_TXCTRL);
10396
10397
elink_cl45_read(sc, phy,
10398
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
10399
10400
ELINK_DEBUG_P1(sc, "8727 LASI status 0x%x\n", val1);
10401
10402
/* Clear MSG-OUT */
10403
elink_cl45_read(sc, phy,
10404
MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
10405
10406
/* If a module is present and there is need to check
10407
* for over current
10408
*/
10409
if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
10410
/* Check over-current using 8727 GPIO0 input*/
10411
elink_cl45_read(sc, phy,
10412
MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
10413
&val1);
10414
10415
if ((val1 & (1<<8)) == 0) {
10416
uint8_t oc_port = params->port;
10417
if (!CHIP_IS_E1x(sc))
10418
oc_port = SC_PATH(sc) + (params->port << 1);
10419
ELINK_DEBUG_P1(sc,
10420
"8727 Power fault has been detected on port %d\n",
10421
oc_port);
10422
elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, oc_port); //"Error: Power fault on Port %d has "
10423
// "been detected and the power to "
10424
// "that SFP+ module has been removed "
10425
// "to prevent failure of the card. "
10426
// "Please remove the SFP+ module and "
10427
// "restart the system to clear this "
10428
// "error.\n",
10429
/* Disable all RX_ALARMs except for mod_abs */
10430
elink_cl45_write(sc, phy,
10431
MDIO_PMA_DEVAD,
10432
MDIO_PMA_LASI_RXCTRL, (1<<5));
10433
10434
elink_cl45_read(sc, phy,
10435
MDIO_PMA_DEVAD,
10436
MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
10437
/* Wait for module_absent_event */
10438
val1 |= (1<<8);
10439
elink_cl45_write(sc, phy,
10440
MDIO_PMA_DEVAD,
10441
MDIO_PMA_REG_PHY_IDENTIFIER, val1);
10442
/* Clear RX alarm */
10443
elink_cl45_read(sc, phy,
10444
MDIO_PMA_DEVAD,
10445
MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
10446
elink_8727_power_module(params->sc, phy, 0);
10447
return 0;
10448
}
10449
} /* Over current check */
10450
10451
/* When module absent bit is set, check module */
10452
if (rx_alarm_status & (1<<5)) {
10453
elink_8727_handle_mod_abs(phy, params);
10454
/* Enable all mod_abs and link detection bits */
10455
elink_cl45_write(sc, phy,
10456
MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
10457
((1<<5) | (1<<2)));
10458
}
10459
10460
if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
10461
ELINK_DEBUG_P0(sc, "Enabling 8727 TX laser\n");
10462
elink_sfp_set_transmitter(params, phy, 1);
10463
} else {
10464
ELINK_DEBUG_P0(sc, "Tx is disabled\n");
10465
return 0;
10466
}
10467
10468
elink_cl45_read(sc, phy,
10469
MDIO_PMA_DEVAD,
10470
MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
10471
10472
/* Bits 0..2 --> speed detected,
10473
* Bits 13..15--> link is down
10474
*/
10475
if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
10476
link_up = 1;
10477
vars->line_speed = ELINK_SPEED_10000;
10478
ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n",
10479
params->port);
10480
} else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
10481
link_up = 1;
10482
vars->line_speed = ELINK_SPEED_1000;
10483
ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n",
10484
params->port);
10485
} else {
10486
link_up = 0;
10487
ELINK_DEBUG_P1(sc, "port %x: External link is down\n",
10488
params->port);
10489
}
10490
10491
/* Capture 10G link fault. */
10492
if (vars->line_speed == ELINK_SPEED_10000) {
10493
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
10494
MDIO_PMA_LASI_TXSTAT, &val1);
10495
10496
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD,
10497
MDIO_PMA_LASI_TXSTAT, &val1);
10498
10499
if (val1 & (1<<0)) {
10500
vars->fault_detected = 1;
10501
}
10502
}
10503
10504
if (link_up) {
10505
elink_ext_phy_resolve_fc(phy, params, vars);
10506
vars->duplex = DUPLEX_FULL;
10507
ELINK_DEBUG_P1(sc, "duplex = 0x%x\n", vars->duplex);
10508
}
10509
10510
if ((ELINK_DUAL_MEDIA(params)) &&
10511
(phy->req_line_speed == ELINK_SPEED_1000)) {
10512
elink_cl45_read(sc, phy,
10513
MDIO_PMA_DEVAD,
10514
MDIO_PMA_REG_8727_PCS_GP, &val1);
10515
/* In case of dual-media board and 1G, power up the XAUI side,
10516
* otherwise power it down. For 10G it is done automatically
10517
*/
10518
if (link_up)
10519
val1 &= ~(3<<10);
10520
else
10521
val1 |= (3<<10);
10522
elink_cl45_write(sc, phy,
10523
MDIO_PMA_DEVAD,
10524
MDIO_PMA_REG_8727_PCS_GP, val1);
10525
}
10526
return link_up;
10527
}
10528
10529
static void elink_8727_link_reset(struct elink_phy *phy,
10530
struct elink_params *params)
10531
{
10532
struct bxe_softc *sc = params->sc;
10533
10534
/* Enable/Disable PHY transmitter output */
10535
elink_set_disable_pmd_transmit(params, phy, 1);
10536
10537
/* Disable Transmitter */
10538
elink_sfp_set_transmitter(params, phy, 0);
10539
/* Clear LASI */
10540
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
10541
10542
}
10543
10544
/******************************************************************/
10545
/* BCM8481/BCM84823/BCM84833 PHY SECTION */
10546
/******************************************************************/
10547
static int elink_is_8483x_8485x(struct elink_phy *phy)
10548
{
10549
return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
10550
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
10551
(phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
10552
}
10553
10554
static void elink_save_848xx_spirom_version(struct elink_phy *phy,
10555
struct bxe_softc *sc,
10556
uint8_t port)
10557
{
10558
uint16_t val, fw_ver2, cnt, i;
10559
static struct elink_reg_set reg_set[] = {
10560
{MDIO_PMA_DEVAD, 0xA819, 0x0014},
10561
{MDIO_PMA_DEVAD, 0xA81A, 0xc200},
10562
{MDIO_PMA_DEVAD, 0xA81B, 0x0000},
10563
{MDIO_PMA_DEVAD, 0xA81C, 0x0300},
10564
{MDIO_PMA_DEVAD, 0xA817, 0x0009}
10565
};
10566
uint16_t fw_ver1;
10567
10568
if (elink_is_8483x_8485x(phy)) {
10569
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
10570
elink_save_spirom_version(sc, port, fw_ver1 & 0xfff,
10571
phy->ver_addr);
10572
} else {
10573
/* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
10574
/* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
10575
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10576
elink_cl45_write(sc, phy, reg_set[i].devad,
10577
reg_set[i].reg, reg_set[i].val);
10578
10579
for (cnt = 0; cnt < 100; cnt++) {
10580
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10581
if (val & 1)
10582
break;
10583
DELAY(5);
10584
}
10585
if (cnt == 100) {
10586
ELINK_DEBUG_P0(sc, "Unable to read 848xx "
10587
"phy fw version(1)\n");
10588
elink_save_spirom_version(sc, port, 0,
10589
phy->ver_addr);
10590
return;
10591
}
10592
10593
10594
/* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
10595
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
10596
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
10597
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
10598
for (cnt = 0; cnt < 100; cnt++) {
10599
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val);
10600
if (val & 1)
10601
break;
10602
DELAY(5);
10603
}
10604
if (cnt == 100) {
10605
ELINK_DEBUG_P0(sc, "Unable to read 848xx phy fw "
10606
"version(2)\n");
10607
elink_save_spirom_version(sc, port, 0,
10608
phy->ver_addr);
10609
return;
10610
}
10611
10612
/* lower 16 bits of the register SPI_FW_STATUS */
10613
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
10614
/* upper 16 bits of register SPI_FW_STATUS */
10615
elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
10616
10617
elink_save_spirom_version(sc, port, (fw_ver2<<16) | fw_ver1,
10618
phy->ver_addr);
10619
}
10620
10621
}
10622
static void elink_848xx_set_led(struct bxe_softc *sc,
10623
struct elink_phy *phy)
10624
{
10625
uint16_t val, offset, i;
10626
static struct elink_reg_set reg_set[] = {
10627
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
10628
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
10629
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
10630
{MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
10631
{MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
10632
MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
10633
{MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
10634
};
10635
/* PHYC_CTL_LED_CTL */
10636
elink_cl45_read(sc, phy,
10637
MDIO_PMA_DEVAD,
10638
MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
10639
val &= 0xFE00;
10640
val |= 0x0092;
10641
10642
elink_cl45_write(sc, phy,
10643
MDIO_PMA_DEVAD,
10644
MDIO_PMA_REG_8481_LINK_SIGNAL, val);
10645
10646
for (i = 0; i < ARRAY_SIZE(reg_set); i++)
10647
elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg,
10648
reg_set[i].val);
10649
10650
if (elink_is_8483x_8485x(phy))
10651
offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
10652
else
10653
offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
10654
10655
/* stretch_en for LED3*/
10656
elink_cl45_read_or_write(sc, phy,
10657
MDIO_PMA_DEVAD, offset,
10658
MDIO_PMA_REG_84823_LED3_STRETCH_EN);
10659
}
10660
10661
static void elink_848xx_specific_func(struct elink_phy *phy,
10662
struct elink_params *params,
10663
uint32_t action)
10664
{
10665
struct bxe_softc *sc = params->sc;
10666
switch (action) {
10667
case ELINK_PHY_INIT:
10668
if (!elink_is_8483x_8485x(phy)) {
10669
/* Save spirom version */
10670
elink_save_848xx_spirom_version(phy, sc, params->port);
10671
}
10672
/* This phy uses the NIG latch mechanism since link indication
10673
* arrives through its LED4 and not via its LASI signal, so we
10674
* get steady signal instead of clear on read
10675
*/
10676
elink_bits_en(sc, NIG_REG_LATCH_BC_0 + params->port*4,
10677
1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
10678
10679
elink_848xx_set_led(sc, phy);
10680
break;
10681
}
10682
}
10683
10684
static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy,
10685
struct elink_params *params,
10686
struct elink_vars *vars)
10687
{
10688
struct bxe_softc *sc = params->sc;
10689
uint16_t autoneg_val, an_1000_val, an_10_100_val;
10690
10691
elink_848xx_specific_func(phy, params, ELINK_PHY_INIT);
10692
elink_cl45_write(sc, phy,
10693
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
10694
10695
/* set 1000 speed advertisement */
10696
elink_cl45_read(sc, phy,
10697
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10698
&an_1000_val);
10699
10700
elink_ext_phy_set_pause(params, phy, vars);
10701
elink_cl45_read(sc, phy,
10702
MDIO_AN_DEVAD,
10703
MDIO_AN_REG_8481_LEGACY_AN_ADV,
10704
&an_10_100_val);
10705
elink_cl45_read(sc, phy,
10706
MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
10707
&autoneg_val);
10708
/* Disable forced speed */
10709
autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
10710
an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
10711
10712
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10713
(phy->speed_cap_mask &
10714
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
10715
(phy->req_line_speed == ELINK_SPEED_1000)) {
10716
an_1000_val |= (1<<8);
10717
autoneg_val |= (1<<9 | 1<<12);
10718
if (phy->req_duplex == DUPLEX_FULL)
10719
an_1000_val |= (1<<9);
10720
ELINK_DEBUG_P0(sc, "Advertising 1G\n");
10721
} else
10722
an_1000_val &= ~((1<<8) | (1<<9));
10723
10724
elink_cl45_write(sc, phy,
10725
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
10726
an_1000_val);
10727
10728
/* Set 10/100 speed advertisement */
10729
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
10730
if (phy->speed_cap_mask &
10731
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
10732
/* Enable autoneg and restart autoneg for legacy speeds
10733
*/
10734
autoneg_val |= (1<<9 | 1<<12);
10735
an_10_100_val |= (1<<8);
10736
ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n");
10737
}
10738
10739
if (phy->speed_cap_mask &
10740
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
10741
/* Enable autoneg and restart autoneg for legacy speeds
10742
*/
10743
autoneg_val |= (1<<9 | 1<<12);
10744
an_10_100_val |= (1<<7);
10745
ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n");
10746
}
10747
10748
if ((phy->speed_cap_mask &
10749
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
10750
(phy->supported & ELINK_SUPPORTED_10baseT_Full)) {
10751
an_10_100_val |= (1<<6);
10752
autoneg_val |= (1<<9 | 1<<12);
10753
ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n");
10754
}
10755
10756
if ((phy->speed_cap_mask &
10757
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
10758
(phy->supported & ELINK_SUPPORTED_10baseT_Half)) {
10759
an_10_100_val |= (1<<5);
10760
autoneg_val |= (1<<9 | 1<<12);
10761
ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n");
10762
}
10763
}
10764
10765
/* Only 10/100 are allowed to work in FORCE mode */
10766
if ((phy->req_line_speed == ELINK_SPEED_100) &&
10767
(phy->supported &
10768
(ELINK_SUPPORTED_100baseT_Half |
10769
ELINK_SUPPORTED_100baseT_Full))) {
10770
autoneg_val |= (1<<13);
10771
/* Enabled AUTO-MDIX when autoneg is disabled */
10772
elink_cl45_write(sc, phy,
10773
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10774
(1<<15 | 1<<9 | 7<<0));
10775
/* The PHY needs this set even for forced link. */
10776
an_10_100_val |= (1<<8) | (1<<7);
10777
ELINK_DEBUG_P0(sc, "Setting 100M force\n");
10778
}
10779
if ((phy->req_line_speed == ELINK_SPEED_10) &&
10780
(phy->supported &
10781
(ELINK_SUPPORTED_10baseT_Half |
10782
ELINK_SUPPORTED_10baseT_Full))) {
10783
/* Enabled AUTO-MDIX when autoneg is disabled */
10784
elink_cl45_write(sc, phy,
10785
MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
10786
(1<<15 | 1<<9 | 7<<0));
10787
ELINK_DEBUG_P0(sc, "Setting 10M force\n");
10788
}
10789
10790
elink_cl45_write(sc, phy,
10791
MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
10792
an_10_100_val);
10793
10794
if (phy->req_duplex == DUPLEX_FULL)
10795
autoneg_val |= (1<<8);
10796
10797
/* Always write this if this is not 84833/4.
10798
* For 84833/4, write it only when it's a forced speed.
10799
*/
10800
if (!elink_is_8483x_8485x(phy) ||
10801
((autoneg_val & (1<<12)) == 0))
10802
elink_cl45_write(sc, phy,
10803
MDIO_AN_DEVAD,
10804
MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
10805
10806
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
10807
(phy->speed_cap_mask &
10808
PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
10809
(phy->req_line_speed == ELINK_SPEED_10000)) {
10810
ELINK_DEBUG_P0(sc, "Advertising 10G\n");
10811
/* Restart autoneg for 10G*/
10812
10813
elink_cl45_read_or_write(
10814
sc, phy,
10815
MDIO_AN_DEVAD,
10816
MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10817
0x1000);
10818
elink_cl45_write(sc, phy,
10819
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
10820
0x3200);
10821
} else
10822
elink_cl45_write(sc, phy,
10823
MDIO_AN_DEVAD,
10824
MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
10825
1);
10826
10827
return ELINK_STATUS_OK;
10828
}
10829
10830
static elink_status_t elink_8481_config_init(struct elink_phy *phy,
10831
struct elink_params *params,
10832
struct elink_vars *vars)
10833
{
10834
struct bxe_softc *sc = params->sc;
10835
/* Restore normal power mode*/
10836
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
10837
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
10838
10839
/* HW reset */
10840
elink_ext_phy_hw_reset(sc, params->port);
10841
elink_wait_reset_complete(sc, phy, params);
10842
10843
elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
10844
return elink_848xx_cmn_config_init(phy, params, vars);
10845
}
10846
10847
#define PHY848xx_CMDHDLR_WAIT 300
10848
#define PHY848xx_CMDHDLR_MAX_ARGS 5
10849
10850
static elink_status_t elink_84858_cmd_hdlr(struct elink_phy *phy,
10851
struct elink_params *params,
10852
uint16_t fw_cmd,
10853
uint16_t cmd_args[], int argc)
10854
{
10855
int idx;
10856
uint16_t val;
10857
struct bxe_softc *sc = params->sc;
10858
10859
/* Step 1: Poll the STATUS register to see whether the previous command
10860
* is in progress or the system is busy (CMD_IN_PROGRESS or
10861
* SYSTEM_BUSY). If previous command is in progress or system is busy,
10862
* check again until the previous command finishes execution and the
10863
* system is available for taking command
10864
*/
10865
10866
for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10867
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10868
MDIO_848xx_CMD_HDLR_STATUS, &val);
10869
if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
10870
(val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
10871
break;
10872
DELAY(1000 * 1);
10873
}
10874
if (idx >= PHY848xx_CMDHDLR_WAIT) {
10875
ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.\n");
10876
return ELINK_STATUS_ERROR;
10877
}
10878
10879
/* Step2: If any parameters are required for the function, write them
10880
* to the required DATA registers
10881
*/
10882
10883
for (idx = 0; idx < argc; idx++) {
10884
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10885
MDIO_848xx_CMD_HDLR_DATA1 + idx,
10886
cmd_args[idx]);
10887
}
10888
10889
/* Step3: When the firmware is ready for commands, write the 'Command
10890
* code' to the CMD register
10891
*/
10892
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10893
MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10894
10895
/* Step4: Once the command has been written, poll the STATUS register
10896
* to check whether the command has completed (CMD_COMPLETED_PASS/
10897
* CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
10898
*/
10899
10900
for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10901
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10902
MDIO_848xx_CMD_HDLR_STATUS, &val);
10903
if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
10904
(val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
10905
break;
10906
DELAY(1000 * 1);
10907
}
10908
if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10909
(val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
10910
ELINK_DEBUG_P0(sc, "FW cmd failed.\n");
10911
return ELINK_STATUS_ERROR;
10912
}
10913
/* Step5: Once the command has completed, read the specficied DATA
10914
* registers for any saved results for the command, if applicable
10915
*/
10916
10917
/* Gather returning data */
10918
for (idx = 0; idx < argc; idx++) {
10919
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10920
MDIO_848xx_CMD_HDLR_DATA1 + idx,
10921
&cmd_args[idx]);
10922
}
10923
10924
return ELINK_STATUS_OK;
10925
}
10926
10927
static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy,
10928
struct elink_params *params, uint16_t fw_cmd,
10929
uint16_t cmd_args[], int argc, int process)
10930
{
10931
int idx;
10932
uint16_t val;
10933
struct bxe_softc *sc = params->sc;
10934
elink_status_t rc = ELINK_STATUS_OK;
10935
10936
if (process == PHY84833_MB_PROCESS2) {
10937
/* Write CMD_OPEN_OVERRIDE to STATUS reg */
10938
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10939
MDIO_848xx_CMD_HDLR_STATUS,
10940
PHY84833_STATUS_CMD_OPEN_OVERRIDE);
10941
}
10942
10943
for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10944
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10945
MDIO_848xx_CMD_HDLR_STATUS, &val);
10946
if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
10947
break;
10948
DELAY(1000 * 1);
10949
}
10950
if (idx >= PHY848xx_CMDHDLR_WAIT) {
10951
ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.\n");
10952
/* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
10953
* clear the status to CMD_CLEAR_COMPLETE
10954
*/
10955
if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
10956
val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
10957
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10958
MDIO_848xx_CMD_HDLR_STATUS,
10959
PHY84833_STATUS_CMD_CLEAR_COMPLETE);
10960
}
10961
return ELINK_STATUS_ERROR;
10962
}
10963
if (process == PHY84833_MB_PROCESS1 ||
10964
process == PHY84833_MB_PROCESS2) {
10965
/* Prepare argument(s) */
10966
for (idx = 0; idx < argc; idx++) {
10967
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10968
MDIO_848xx_CMD_HDLR_DATA1 + idx,
10969
cmd_args[idx]);
10970
}
10971
}
10972
10973
/* Issue command */
10974
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
10975
MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
10976
for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
10977
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10978
MDIO_848xx_CMD_HDLR_STATUS, &val);
10979
if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
10980
(val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
10981
break;
10982
DELAY(1000 * 1);
10983
}
10984
if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
10985
(val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
10986
ELINK_DEBUG_P0(sc, "FW cmd failed.\n");
10987
rc = ELINK_STATUS_ERROR;
10988
}
10989
if (process == PHY84833_MB_PROCESS3 && rc == ELINK_STATUS_OK) {
10990
/* Gather returning data */
10991
for (idx = 0; idx < argc; idx++) {
10992
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
10993
MDIO_848xx_CMD_HDLR_DATA1 + idx,
10994
&cmd_args[idx]);
10995
}
10996
}
10997
if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
10998
val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
10999
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11000
MDIO_848xx_CMD_HDLR_STATUS,
11001
PHY84833_STATUS_CMD_CLEAR_COMPLETE);
11002
}
11003
return rc;
11004
}
11005
11006
static elink_status_t elink_848xx_cmd_hdlr(struct elink_phy *phy,
11007
struct elink_params *params,
11008
uint16_t fw_cmd,
11009
uint16_t cmd_args[], int argc,
11010
int process)
11011
{
11012
struct bxe_softc *sc = params->sc;
11013
11014
if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
11015
(REG_RD(sc, params->shmem2_base +
11016
offsetof(struct shmem2_region,
11017
link_attr_sync[params->port])) & LINK_ATTR_84858)) {
11018
return elink_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
11019
argc);
11020
} else {
11021
return elink_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
11022
argc, process);
11023
}
11024
}
11025
11026
static elink_status_t elink_848xx_pair_swap_cfg(struct elink_phy *phy,
11027
struct elink_params *params,
11028
struct elink_vars *vars)
11029
{
11030
uint32_t pair_swap;
11031
uint16_t data[PHY848xx_CMDHDLR_MAX_ARGS];
11032
elink_status_t status;
11033
struct bxe_softc *sc = params->sc;
11034
11035
/* Check for configuration. */
11036
pair_swap = REG_RD(sc, params->shmem_base +
11037
offsetof(struct shmem_region,
11038
dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
11039
PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
11040
11041
if (pair_swap == 0)
11042
return ELINK_STATUS_OK;
11043
11044
/* Only the second argument is used for this command */
11045
data[1] = (uint16_t)pair_swap;
11046
11047
status = elink_848xx_cmd_hdlr(phy, params,
11048
PHY848xx_CMD_SET_PAIR_SWAP, data,
11049
2, PHY84833_MB_PROCESS2);
11050
if (status == ELINK_STATUS_OK)
11051
ELINK_DEBUG_P1(sc, "Pairswap OK, val=0x%x\n", data[1]);
11052
11053
return status;
11054
}
11055
11056
static uint8_t elink_84833_get_reset_gpios(struct bxe_softc *sc,
11057
uint32_t shmem_base_path[],
11058
uint32_t chip_id)
11059
{
11060
uint32_t reset_pin[2];
11061
uint32_t idx;
11062
uint8_t reset_gpios;
11063
if (CHIP_IS_E3(sc)) {
11064
/* Assume that these will be GPIOs, not EPIOs. */
11065
for (idx = 0; idx < 2; idx++) {
11066
/* Map config param to register bit. */
11067
reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
11068
offsetof(struct shmem_region,
11069
dev_info.port_hw_config[0].e3_cmn_pin_cfg));
11070
reset_pin[idx] = (reset_pin[idx] &
11071
PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11072
PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11073
reset_pin[idx] -= PIN_CFG_GPIO0_P0;
11074
reset_pin[idx] = (1 << reset_pin[idx]);
11075
}
11076
reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
11077
} else {
11078
/* E2, look from diff place of shmem. */
11079
for (idx = 0; idx < 2; idx++) {
11080
reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] +
11081
offsetof(struct shmem_region,
11082
dev_info.port_hw_config[0].default_cfg));
11083
reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
11084
reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
11085
reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
11086
reset_pin[idx] = (1 << reset_pin[idx]);
11087
}
11088
reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]);
11089
}
11090
11091
return reset_gpios;
11092
}
11093
11094
static elink_status_t elink_84833_hw_reset_phy(struct elink_phy *phy,
11095
struct elink_params *params)
11096
{
11097
struct bxe_softc *sc = params->sc;
11098
uint8_t reset_gpios;
11099
uint32_t other_shmem_base_addr = REG_RD(sc, params->shmem2_base +
11100
offsetof(struct shmem2_region,
11101
other_shmem_base_addr));
11102
11103
uint32_t shmem_base_path[2];
11104
11105
/* Work around for 84833 LED failure inside RESET status */
11106
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
11107
MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11108
MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
11109
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
11110
MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
11111
MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
11112
11113
shmem_base_path[0] = params->shmem_base;
11114
shmem_base_path[1] = other_shmem_base_addr;
11115
11116
reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path,
11117
params->chip_id);
11118
11119
elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
11120
DELAY(10);
11121
ELINK_DEBUG_P1(sc, "84833 hw reset on pin values 0x%x\n",
11122
reset_gpios);
11123
11124
return ELINK_STATUS_OK;
11125
}
11126
11127
static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy,
11128
struct elink_params *params,
11129
struct elink_vars *vars)
11130
{
11131
elink_status_t rc;
11132
struct bxe_softc *sc = params->sc;
11133
uint16_t cmd_args = 0;
11134
11135
ELINK_DEBUG_P0(sc, "Don't Advertise 10GBase-T EEE\n");
11136
11137
/* Prevent Phy from working in EEE and advertising it */
11138
rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
11139
&cmd_args, 1, PHY84833_MB_PROCESS1);
11140
if (rc != ELINK_STATUS_OK) {
11141
ELINK_DEBUG_P0(sc, "EEE disable failed.\n");
11142
return rc;
11143
}
11144
11145
return elink_eee_disable(phy, params, vars);
11146
}
11147
11148
static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy,
11149
struct elink_params *params,
11150
struct elink_vars *vars)
11151
{
11152
elink_status_t rc;
11153
struct bxe_softc *sc = params->sc;
11154
uint16_t cmd_args = 1;
11155
11156
rc = elink_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
11157
&cmd_args, 1, PHY84833_MB_PROCESS1);
11158
if (rc != ELINK_STATUS_OK) {
11159
ELINK_DEBUG_P0(sc, "EEE enable failed.\n");
11160
return rc;
11161
}
11162
11163
return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
11164
}
11165
11166
#define PHY84833_CONSTANT_LATENCY 1193
11167
static elink_status_t elink_848x3_config_init(struct elink_phy *phy,
11168
struct elink_params *params,
11169
struct elink_vars *vars)
11170
{
11171
struct bxe_softc *sc = params->sc;
11172
uint8_t port, initialize = 1;
11173
uint16_t val;
11174
uint32_t actual_phy_selection;
11175
uint16_t cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
11176
elink_status_t rc = ELINK_STATUS_OK;
11177
11178
DELAY(1000 * 1);
11179
11180
if (!(CHIP_IS_E1x(sc)))
11181
port = SC_PATH(sc);
11182
else
11183
port = params->port;
11184
11185
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
11186
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
11187
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
11188
port);
11189
} else {
11190
/* MDIO reset */
11191
elink_cl45_write(sc, phy,
11192
MDIO_PMA_DEVAD,
11193
MDIO_PMA_REG_CTRL, 0x8000);
11194
}
11195
11196
elink_wait_reset_complete(sc, phy, params);
11197
11198
/* Wait for GPHY to come out of reset */
11199
DELAY(1000 * 50);
11200
if (!elink_is_8483x_8485x(phy)) {
11201
/* BCM84823 requires that XGXS links up first @ 10G for normal
11202
* behavior.
11203
*/
11204
uint16_t temp;
11205
temp = vars->line_speed;
11206
vars->line_speed = ELINK_SPEED_10000;
11207
elink_set_autoneg(&params->phy[ELINK_INT_PHY], params, vars, 0);
11208
elink_program_serdes(&params->phy[ELINK_INT_PHY], params, vars);
11209
vars->line_speed = temp;
11210
}
11211
/* Check if this is actually BCM84858 */
11212
if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
11213
uint16_t hw_rev;
11214
11215
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11216
MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
11217
if (hw_rev == BCM84858_PHY_ID) {
11218
params->link_attr_sync |= LINK_ATTR_84858;
11219
elink_update_link_attr(params, params->link_attr_sync);
11220
}
11221
}
11222
11223
/* Set dual-media configuration according to configuration */
11224
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11225
MDIO_CTL_REG_84823_MEDIA, &val);
11226
val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11227
MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
11228
MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
11229
MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
11230
MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
11231
11232
if (CHIP_IS_E3(sc)) {
11233
val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
11234
MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
11235
} else {
11236
val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
11237
MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
11238
}
11239
11240
actual_phy_selection = elink_phy_selection(params);
11241
11242
switch (actual_phy_selection) {
11243
case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
11244
/* Do nothing. Essentially this is like the priority copper */
11245
break;
11246
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
11247
val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
11248
break;
11249
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
11250
val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
11251
break;
11252
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
11253
/* Do nothing here. The first PHY won't be initialized at all */
11254
break;
11255
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
11256
val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
11257
initialize = 0;
11258
break;
11259
}
11260
if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000)
11261
val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
11262
11263
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11264
MDIO_CTL_REG_84823_MEDIA, val);
11265
ELINK_DEBUG_P2(sc, "Multi_phy config = 0x%x, Media control = 0x%x\n",
11266
params->multi_phy_config, val);
11267
11268
if (elink_is_8483x_8485x(phy)) {
11269
elink_848xx_pair_swap_cfg(phy, params, vars);
11270
11271
/* Keep AutogrEEEn disabled. */
11272
cmd_args[0] = 0x0;
11273
cmd_args[1] = 0x0;
11274
cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
11275
cmd_args[3] = PHY84833_CONSTANT_LATENCY;
11276
rc = elink_848xx_cmd_hdlr(phy, params,
11277
PHY848xx_CMD_SET_EEE_MODE, cmd_args,
11278
4, PHY84833_MB_PROCESS1);
11279
if (rc != ELINK_STATUS_OK)
11280
ELINK_DEBUG_P0(sc, "Cfg AutogrEEEn failed.\n");
11281
}
11282
if (initialize)
11283
rc = elink_848xx_cmn_config_init(phy, params, vars);
11284
else
11285
elink_save_848xx_spirom_version(phy, sc, params->port);
11286
/* 84833 PHY has a better feature and doesn't need to support this. */
11287
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
11288
uint32_t cms_enable = REG_RD(sc, params->shmem_base +
11289
offsetof(struct shmem_region,
11290
dev_info.port_hw_config[params->port].default_cfg)) &
11291
PORT_HW_CFG_ENABLE_CMS_MASK;
11292
11293
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11294
MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
11295
if (cms_enable)
11296
val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
11297
else
11298
val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
11299
elink_cl45_write(sc, phy, MDIO_CTL_DEVAD,
11300
MDIO_CTL_REG_84823_USER_CTRL_REG, val);
11301
}
11302
11303
elink_cl45_read(sc, phy, MDIO_CTL_DEVAD,
11304
MDIO_84833_TOP_CFG_FW_REV, &val);
11305
11306
/* Configure EEE support */
11307
if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
11308
(val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
11309
elink_eee_has_cap(params)) {
11310
rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
11311
if (rc != ELINK_STATUS_OK) {
11312
ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n");
11313
elink_8483x_disable_eee(phy, params, vars);
11314
return rc;
11315
}
11316
11317
if ((phy->req_duplex == DUPLEX_FULL) &&
11318
(params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
11319
(elink_eee_calc_timer(params) ||
11320
!(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)))
11321
rc = elink_8483x_enable_eee(phy, params, vars);
11322
else
11323
rc = elink_8483x_disable_eee(phy, params, vars);
11324
if (rc != ELINK_STATUS_OK) {
11325
ELINK_DEBUG_P0(sc, "Failed to set EEE advertisement\n");
11326
return rc;
11327
}
11328
} else {
11329
vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
11330
}
11331
11332
if (elink_is_8483x_8485x(phy)) {
11333
/* Bring PHY out of super isolate mode as the final step. */
11334
elink_cl45_read_and_write(sc, phy,
11335
MDIO_CTL_DEVAD,
11336
MDIO_84833_TOP_CFG_XGPHY_STRAP1,
11337
(uint16_t)~MDIO_84833_SUPER_ISOLATE);
11338
}
11339
return rc;
11340
}
11341
11342
static uint8_t elink_848xx_read_status(struct elink_phy *phy,
11343
struct elink_params *params,
11344
struct elink_vars *vars)
11345
{
11346
struct bxe_softc *sc = params->sc;
11347
uint16_t val, val1, val2;
11348
uint8_t link_up = 0;
11349
11350
11351
/* Check 10G-BaseT link status */
11352
/* Check PMD signal ok */
11353
elink_cl45_read(sc, phy,
11354
MDIO_AN_DEVAD, 0xFFFA, &val1);
11355
elink_cl45_read(sc, phy,
11356
MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
11357
&val2);
11358
ELINK_DEBUG_P1(sc, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
11359
11360
/* Check link 10G */
11361
if (val2 & (1<<11)) {
11362
vars->line_speed = ELINK_SPEED_10000;
11363
vars->duplex = DUPLEX_FULL;
11364
link_up = 1;
11365
elink_ext_phy_10G_an_resolve(sc, phy, vars);
11366
} else { /* Check Legacy speed link */
11367
uint16_t legacy_status, legacy_speed;
11368
11369
/* Enable expansion register 0x42 (Operation mode status) */
11370
elink_cl45_write(sc, phy,
11371
MDIO_AN_DEVAD,
11372
MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
11373
11374
/* Get legacy speed operation status */
11375
elink_cl45_read(sc, phy,
11376
MDIO_AN_DEVAD,
11377
MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
11378
&legacy_status);
11379
11380
ELINK_DEBUG_P1(sc, "Legacy speed status = 0x%x\n",
11381
legacy_status);
11382
link_up = ((legacy_status & (1<<11)) == (1<<11));
11383
legacy_speed = (legacy_status & (3<<9));
11384
if (legacy_speed == (0<<9))
11385
vars->line_speed = ELINK_SPEED_10;
11386
else if (legacy_speed == (1<<9))
11387
vars->line_speed = ELINK_SPEED_100;
11388
else if (legacy_speed == (2<<9))
11389
vars->line_speed = ELINK_SPEED_1000;
11390
else { /* Should not happen: Treat as link down */
11391
vars->line_speed = 0;
11392
link_up = 0;
11393
}
11394
11395
if (params->feature_config_flags &
11396
ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) {
11397
uint16_t mii_ctrl;
11398
11399
elink_cl45_read(sc, phy,
11400
MDIO_AN_DEVAD,
11401
MDIO_AN_REG_8481_LEGACY_MII_CTRL,
11402
&mii_ctrl);
11403
/* For IEEE testing, check for a fake link. */
11404
link_up |= ((mii_ctrl & 0x3040) == 0x40);
11405
}
11406
11407
if (link_up) {
11408
if (legacy_status & (1<<8))
11409
vars->duplex = DUPLEX_FULL;
11410
else
11411
vars->duplex = DUPLEX_HALF;
11412
11413
ELINK_DEBUG_P2(sc,
11414
"Link is up in %dMbps, is_duplex_full= %d\n",
11415
vars->line_speed,
11416
(vars->duplex == DUPLEX_FULL));
11417
/* Check legacy speed AN resolution */
11418
elink_cl45_read(sc, phy,
11419
MDIO_AN_DEVAD,
11420
MDIO_AN_REG_8481_LEGACY_MII_STATUS,
11421
&val);
11422
if (val & (1<<5))
11423
vars->link_status |=
11424
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
11425
elink_cl45_read(sc, phy,
11426
MDIO_AN_DEVAD,
11427
MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
11428
&val);
11429
if ((val & (1<<0)) == 0)
11430
vars->link_status |=
11431
LINK_STATUS_PARALLEL_DETECTION_USED;
11432
}
11433
}
11434
if (link_up) {
11435
ELINK_DEBUG_P1(sc, "BCM848x3: link speed is %d\n",
11436
vars->line_speed);
11437
elink_ext_phy_resolve_fc(phy, params, vars);
11438
11439
/* Read LP advertised speeds */
11440
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11441
MDIO_AN_REG_CL37_FC_LP, &val);
11442
if (val & (1<<5))
11443
vars->link_status |=
11444
LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
11445
if (val & (1<<6))
11446
vars->link_status |=
11447
LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
11448
if (val & (1<<7))
11449
vars->link_status |=
11450
LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
11451
if (val & (1<<8))
11452
vars->link_status |=
11453
LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
11454
if (val & (1<<9))
11455
vars->link_status |=
11456
LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
11457
11458
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11459
MDIO_AN_REG_1000T_STATUS, &val);
11460
11461
if (val & (1<<10))
11462
vars->link_status |=
11463
LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
11464
if (val & (1<<11))
11465
vars->link_status |=
11466
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
11467
11468
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
11469
MDIO_AN_REG_MASTER_STATUS, &val);
11470
11471
if (val & (1<<11))
11472
vars->link_status |=
11473
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
11474
11475
/* Determine if EEE was negotiated */
11476
if (elink_is_8483x_8485x(phy))
11477
elink_eee_an_resolve(phy, params, vars);
11478
}
11479
11480
return link_up;
11481
}
11482
11483
static elink_status_t elink_848xx_format_ver(uint32_t raw_ver, uint8_t *str, uint16_t *len)
11484
{
11485
elink_status_t status = ELINK_STATUS_OK;
11486
uint32_t spirom_ver;
11487
spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
11488
status = elink_format_ver(spirom_ver, str, len);
11489
return status;
11490
}
11491
11492
static void elink_8481_hw_reset(struct elink_phy *phy,
11493
struct elink_params *params)
11494
{
11495
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
11496
MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
11497
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
11498
MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
11499
}
11500
11501
static void elink_8481_link_reset(struct elink_phy *phy,
11502
struct elink_params *params)
11503
{
11504
elink_cl45_write(params->sc, phy,
11505
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
11506
elink_cl45_write(params->sc, phy,
11507
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
11508
}
11509
11510
static void elink_848x3_link_reset(struct elink_phy *phy,
11511
struct elink_params *params)
11512
{
11513
struct bxe_softc *sc = params->sc;
11514
uint8_t port;
11515
uint16_t val16;
11516
11517
if (!(CHIP_IS_E1x(sc)))
11518
port = SC_PATH(sc);
11519
else
11520
port = params->port;
11521
11522
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
11523
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3,
11524
MISC_REGISTERS_GPIO_OUTPUT_LOW,
11525
port);
11526
} else {
11527
elink_cl45_read(sc, phy,
11528
MDIO_CTL_DEVAD,
11529
MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
11530
val16 |= MDIO_84833_SUPER_ISOLATE;
11531
elink_cl45_write(sc, phy,
11532
MDIO_CTL_DEVAD,
11533
MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
11534
}
11535
}
11536
11537
static void elink_848xx_set_link_led(struct elink_phy *phy,
11538
struct elink_params *params, uint8_t mode)
11539
{
11540
struct bxe_softc *sc = params->sc;
11541
uint16_t val;
11542
uint8_t port;
11543
11544
if (!(CHIP_IS_E1x(sc)))
11545
port = SC_PATH(sc);
11546
else
11547
port = params->port;
11548
switch (mode) {
11549
case ELINK_LED_MODE_OFF:
11550
11551
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OFF\n", port);
11552
11553
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11554
SHARED_HW_CFG_LED_EXTPHY1) {
11555
11556
/* Set LED masks */
11557
elink_cl45_write(sc, phy,
11558
MDIO_PMA_DEVAD,
11559
MDIO_PMA_REG_8481_LED1_MASK,
11560
0x0);
11561
11562
elink_cl45_write(sc, phy,
11563
MDIO_PMA_DEVAD,
11564
MDIO_PMA_REG_8481_LED2_MASK,
11565
0x0);
11566
11567
elink_cl45_write(sc, phy,
11568
MDIO_PMA_DEVAD,
11569
MDIO_PMA_REG_8481_LED3_MASK,
11570
0x0);
11571
11572
elink_cl45_write(sc, phy,
11573
MDIO_PMA_DEVAD,
11574
MDIO_PMA_REG_8481_LED5_MASK,
11575
0x0);
11576
11577
} else {
11578
elink_cl45_write(sc, phy,
11579
MDIO_PMA_DEVAD,
11580
MDIO_PMA_REG_8481_LED1_MASK,
11581
0x0);
11582
}
11583
break;
11584
case ELINK_LED_MODE_FRONT_PANEL_OFF:
11585
11586
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
11587
port);
11588
11589
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11590
SHARED_HW_CFG_LED_EXTPHY1) {
11591
11592
/* Set LED masks */
11593
elink_cl45_write(sc, phy,
11594
MDIO_PMA_DEVAD,
11595
MDIO_PMA_REG_8481_LED1_MASK,
11596
0x0);
11597
11598
elink_cl45_write(sc, phy,
11599
MDIO_PMA_DEVAD,
11600
MDIO_PMA_REG_8481_LED2_MASK,
11601
0x0);
11602
11603
elink_cl45_write(sc, phy,
11604
MDIO_PMA_DEVAD,
11605
MDIO_PMA_REG_8481_LED3_MASK,
11606
0x0);
11607
11608
elink_cl45_write(sc, phy,
11609
MDIO_PMA_DEVAD,
11610
MDIO_PMA_REG_8481_LED5_MASK,
11611
0x20);
11612
11613
} else {
11614
elink_cl45_write(sc, phy,
11615
MDIO_PMA_DEVAD,
11616
MDIO_PMA_REG_8481_LED1_MASK,
11617
0x0);
11618
if (phy->type ==
11619
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
11620
/* Disable MI_INT interrupt before setting LED4
11621
* source to constant off.
11622
*/
11623
if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
11624
params->port*4) &
11625
ELINK_NIG_MASK_MI_INT) {
11626
params->link_flags |=
11627
ELINK_LINK_FLAGS_INT_DISABLED;
11628
11629
elink_bits_dis(
11630
sc,
11631
NIG_REG_MASK_INTERRUPT_PORT0 +
11632
params->port*4,
11633
ELINK_NIG_MASK_MI_INT);
11634
}
11635
elink_cl45_write(sc, phy,
11636
MDIO_PMA_DEVAD,
11637
MDIO_PMA_REG_8481_SIGNAL_MASK,
11638
0x0);
11639
}
11640
}
11641
break;
11642
case ELINK_LED_MODE_ON:
11643
11644
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE ON\n", port);
11645
11646
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11647
SHARED_HW_CFG_LED_EXTPHY1) {
11648
/* Set control reg */
11649
elink_cl45_read(sc, phy,
11650
MDIO_PMA_DEVAD,
11651
MDIO_PMA_REG_8481_LINK_SIGNAL,
11652
&val);
11653
val &= 0x8000;
11654
val |= 0x2492;
11655
11656
elink_cl45_write(sc, phy,
11657
MDIO_PMA_DEVAD,
11658
MDIO_PMA_REG_8481_LINK_SIGNAL,
11659
val);
11660
11661
/* Set LED masks */
11662
elink_cl45_write(sc, phy,
11663
MDIO_PMA_DEVAD,
11664
MDIO_PMA_REG_8481_LED1_MASK,
11665
0x0);
11666
11667
elink_cl45_write(sc, phy,
11668
MDIO_PMA_DEVAD,
11669
MDIO_PMA_REG_8481_LED2_MASK,
11670
0x20);
11671
11672
elink_cl45_write(sc, phy,
11673
MDIO_PMA_DEVAD,
11674
MDIO_PMA_REG_8481_LED3_MASK,
11675
0x20);
11676
11677
elink_cl45_write(sc, phy,
11678
MDIO_PMA_DEVAD,
11679
MDIO_PMA_REG_8481_LED5_MASK,
11680
0x0);
11681
} else {
11682
elink_cl45_write(sc, phy,
11683
MDIO_PMA_DEVAD,
11684
MDIO_PMA_REG_8481_LED1_MASK,
11685
0x20);
11686
if (phy->type ==
11687
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
11688
/* Disable MI_INT interrupt before setting LED4
11689
* source to constant on.
11690
*/
11691
if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
11692
params->port*4) &
11693
ELINK_NIG_MASK_MI_INT) {
11694
params->link_flags |=
11695
ELINK_LINK_FLAGS_INT_DISABLED;
11696
11697
elink_bits_dis(
11698
sc,
11699
NIG_REG_MASK_INTERRUPT_PORT0 +
11700
params->port*4,
11701
ELINK_NIG_MASK_MI_INT);
11702
}
11703
elink_cl45_write(sc, phy,
11704
MDIO_PMA_DEVAD,
11705
MDIO_PMA_REG_8481_SIGNAL_MASK,
11706
0x20);
11707
}
11708
}
11709
break;
11710
11711
case ELINK_LED_MODE_OPER:
11712
11713
ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OPER\n", port);
11714
11715
if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
11716
SHARED_HW_CFG_LED_EXTPHY1) {
11717
11718
/* Set control reg */
11719
elink_cl45_read(sc, phy,
11720
MDIO_PMA_DEVAD,
11721
MDIO_PMA_REG_8481_LINK_SIGNAL,
11722
&val);
11723
11724
if (!((val &
11725
MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
11726
>> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
11727
ELINK_DEBUG_P0(sc, "Setting LINK_SIGNAL\n");
11728
elink_cl45_write(sc, phy,
11729
MDIO_PMA_DEVAD,
11730
MDIO_PMA_REG_8481_LINK_SIGNAL,
11731
0xa492);
11732
}
11733
11734
/* Set LED masks */
11735
elink_cl45_write(sc, phy,
11736
MDIO_PMA_DEVAD,
11737
MDIO_PMA_REG_8481_LED1_MASK,
11738
0x10);
11739
11740
elink_cl45_write(sc, phy,
11741
MDIO_PMA_DEVAD,
11742
MDIO_PMA_REG_8481_LED2_MASK,
11743
0x80);
11744
11745
elink_cl45_write(sc, phy,
11746
MDIO_PMA_DEVAD,
11747
MDIO_PMA_REG_8481_LED3_MASK,
11748
0x98);
11749
11750
elink_cl45_write(sc, phy,
11751
MDIO_PMA_DEVAD,
11752
MDIO_PMA_REG_8481_LED5_MASK,
11753
0x40);
11754
11755
} else {
11756
/* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
11757
* sources are all wired through LED1, rather than only
11758
* 10G in other modes.
11759
*/
11760
val = ((params->hw_led_mode <<
11761
SHARED_HW_CFG_LED_MODE_SHIFT) ==
11762
SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
11763
11764
elink_cl45_write(sc, phy,
11765
MDIO_PMA_DEVAD,
11766
MDIO_PMA_REG_8481_LED1_MASK,
11767
val);
11768
11769
/* Tell LED3 to blink on source */
11770
elink_cl45_read(sc, phy,
11771
MDIO_PMA_DEVAD,
11772
MDIO_PMA_REG_8481_LINK_SIGNAL,
11773
&val);
11774
val &= ~(7<<6);
11775
val |= (1<<6); /* A83B[8:6]= 1 */
11776
elink_cl45_write(sc, phy,
11777
MDIO_PMA_DEVAD,
11778
MDIO_PMA_REG_8481_LINK_SIGNAL,
11779
val);
11780
if (phy->type ==
11781
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
11782
/* Restore LED4 source to external link,
11783
* and re-enable interrupts.
11784
*/
11785
elink_cl45_write(sc, phy,
11786
MDIO_PMA_DEVAD,
11787
MDIO_PMA_REG_8481_SIGNAL_MASK,
11788
0x40);
11789
if (params->link_flags &
11790
ELINK_LINK_FLAGS_INT_DISABLED) {
11791
elink_link_int_enable(params);
11792
params->link_flags &=
11793
~ELINK_LINK_FLAGS_INT_DISABLED;
11794
}
11795
}
11796
}
11797
break;
11798
}
11799
11800
/* This is a workaround for E3+84833 until autoneg
11801
* restart is fixed in f/w
11802
*/
11803
if (CHIP_IS_E3(sc)) {
11804
elink_cl45_read(sc, phy, MDIO_WC_DEVAD,
11805
MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
11806
}
11807
}
11808
11809
/******************************************************************/
11810
/* 54618SE PHY SECTION */
11811
/******************************************************************/
11812
static void elink_54618se_specific_func(struct elink_phy *phy,
11813
struct elink_params *params,
11814
uint32_t action)
11815
{
11816
struct bxe_softc *sc = params->sc;
11817
uint16_t temp;
11818
switch (action) {
11819
case ELINK_PHY_INIT:
11820
/* Configure LED4: set to INTR (0x6). */
11821
/* Accessing shadow register 0xe. */
11822
elink_cl22_write(sc, phy,
11823
MDIO_REG_GPHY_SHADOW,
11824
MDIO_REG_GPHY_SHADOW_LED_SEL2);
11825
elink_cl22_read(sc, phy,
11826
MDIO_REG_GPHY_SHADOW,
11827
&temp);
11828
temp &= ~(0xf << 4);
11829
temp |= (0x6 << 4);
11830
elink_cl22_write(sc, phy,
11831
MDIO_REG_GPHY_SHADOW,
11832
MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11833
/* Configure INTR based on link status change. */
11834
elink_cl22_write(sc, phy,
11835
MDIO_REG_INTR_MASK,
11836
~MDIO_REG_INTR_MASK_LINK_STATUS);
11837
break;
11838
}
11839
}
11840
11841
static elink_status_t elink_54618se_config_init(struct elink_phy *phy,
11842
struct elink_params *params,
11843
struct elink_vars *vars)
11844
{
11845
struct bxe_softc *sc = params->sc;
11846
uint8_t port;
11847
uint16_t autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
11848
uint32_t cfg_pin;
11849
11850
ELINK_DEBUG_P0(sc, "54618SE cfg init\n");
11851
DELAY(1000 * 1);
11852
11853
/* This works with E3 only, no need to check the chip
11854
* before determining the port.
11855
*/
11856
port = params->port;
11857
11858
cfg_pin = (REG_RD(sc, params->shmem_base +
11859
offsetof(struct shmem_region,
11860
dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
11861
PORT_HW_CFG_E3_PHY_RESET_MASK) >>
11862
PORT_HW_CFG_E3_PHY_RESET_SHIFT;
11863
11864
/* Drive pin high to bring the GPHY out of reset. */
11865
elink_set_cfg_pin(sc, cfg_pin, 1);
11866
11867
/* wait for GPHY to reset */
11868
DELAY(1000 * 50);
11869
11870
/* reset phy */
11871
elink_cl22_write(sc, phy,
11872
MDIO_PMA_REG_CTRL, 0x8000);
11873
elink_wait_reset_complete(sc, phy, params);
11874
11875
/* Wait for GPHY to reset */
11876
DELAY(1000 * 50);
11877
11878
11879
elink_54618se_specific_func(phy, params, ELINK_PHY_INIT);
11880
/* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
11881
elink_cl22_write(sc, phy,
11882
MDIO_REG_GPHY_SHADOW,
11883
MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
11884
elink_cl22_read(sc, phy,
11885
MDIO_REG_GPHY_SHADOW,
11886
&temp);
11887
temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
11888
elink_cl22_write(sc, phy,
11889
MDIO_REG_GPHY_SHADOW,
11890
MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
11891
11892
/* Set up fc */
11893
/* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
11894
elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
11895
fc_val = 0;
11896
if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
11897
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
11898
fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
11899
11900
if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
11901
MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
11902
fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
11903
11904
/* Read all advertisement */
11905
elink_cl22_read(sc, phy,
11906
0x09,
11907
&an_1000_val);
11908
11909
elink_cl22_read(sc, phy,
11910
0x04,
11911
&an_10_100_val);
11912
11913
elink_cl22_read(sc, phy,
11914
MDIO_PMA_REG_CTRL,
11915
&autoneg_val);
11916
11917
/* Disable forced speed */
11918
autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
11919
an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
11920
(1<<11));
11921
11922
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
11923
(phy->speed_cap_mask &
11924
PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
11925
(phy->req_line_speed == ELINK_SPEED_1000)) {
11926
an_1000_val |= (1<<8);
11927
autoneg_val |= (1<<9 | 1<<12);
11928
if (phy->req_duplex == DUPLEX_FULL)
11929
an_1000_val |= (1<<9);
11930
ELINK_DEBUG_P0(sc, "Advertising 1G\n");
11931
} else
11932
an_1000_val &= ~((1<<8) | (1<<9));
11933
11934
elink_cl22_write(sc, phy,
11935
0x09,
11936
an_1000_val);
11937
elink_cl22_read(sc, phy,
11938
0x09,
11939
&an_1000_val);
11940
11941
/* Advertise 10/100 link speed */
11942
if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) {
11943
if (phy->speed_cap_mask &
11944
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
11945
an_10_100_val |= (1<<5);
11946
autoneg_val |= (1<<9 | 1<<12);
11947
ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n");
11948
}
11949
if (phy->speed_cap_mask &
11950
PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
11951
an_10_100_val |= (1<<6);
11952
autoneg_val |= (1<<9 | 1<<12);
11953
ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n");
11954
}
11955
if (phy->speed_cap_mask &
11956
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
11957
an_10_100_val |= (1<<7);
11958
autoneg_val |= (1<<9 | 1<<12);
11959
ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n");
11960
}
11961
if (phy->speed_cap_mask &
11962
PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
11963
an_10_100_val |= (1<<8);
11964
autoneg_val |= (1<<9 | 1<<12);
11965
ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n");
11966
}
11967
}
11968
11969
/* Only 10/100 are allowed to work in FORCE mode */
11970
if (phy->req_line_speed == ELINK_SPEED_100) {
11971
autoneg_val |= (1<<13);
11972
/* Enabled AUTO-MDIX when autoneg is disabled */
11973
elink_cl22_write(sc, phy,
11974
0x18,
11975
(1<<15 | 1<<9 | 7<<0));
11976
ELINK_DEBUG_P0(sc, "Setting 100M force\n");
11977
}
11978
if (phy->req_line_speed == ELINK_SPEED_10) {
11979
/* Enabled AUTO-MDIX when autoneg is disabled */
11980
elink_cl22_write(sc, phy,
11981
0x18,
11982
(1<<15 | 1<<9 | 7<<0));
11983
ELINK_DEBUG_P0(sc, "Setting 10M force\n");
11984
}
11985
11986
if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) {
11987
elink_status_t rc;
11988
11989
elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS,
11990
MDIO_REG_GPHY_EXP_ACCESS_TOP |
11991
MDIO_REG_GPHY_EXP_TOP_2K_BUF);
11992
elink_cl22_read(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
11993
temp &= 0xfffe;
11994
elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
11995
11996
rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
11997
if (rc != ELINK_STATUS_OK) {
11998
ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n");
11999
elink_eee_disable(phy, params, vars);
12000
} else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) &&
12001
(phy->req_duplex == DUPLEX_FULL) &&
12002
(elink_eee_calc_timer(params) ||
12003
!(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) {
12004
/* Need to advertise EEE only when requested,
12005
* and either no LPI assertion was requested,
12006
* or it was requested and a valid timer was set.
12007
* Also notice full duplex is required for EEE.
12008
*/
12009
elink_eee_advertise(phy, params, vars,
12010
SHMEM_EEE_1G_ADV);
12011
} else {
12012
ELINK_DEBUG_P0(sc, "Don't Advertise 1GBase-T EEE\n");
12013
elink_eee_disable(phy, params, vars);
12014
}
12015
} else {
12016
vars->eee_status &= ((uint32_t)(~SHMEM_EEE_1G_ADV) <<
12017
SHMEM_EEE_SUPPORTED_SHIFT);
12018
12019
if (phy->flags & ELINK_FLAGS_EEE) {
12020
/* Handle legacy auto-grEEEn */
12021
if (params->feature_config_flags &
12022
ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
12023
temp = 6;
12024
ELINK_DEBUG_P0(sc, "Enabling Auto-GrEEEn\n");
12025
} else {
12026
temp = 0;
12027
ELINK_DEBUG_P0(sc, "Don't Adv. EEE\n");
12028
}
12029
elink_cl45_write(sc, phy, MDIO_AN_DEVAD,
12030
MDIO_AN_REG_EEE_ADV, temp);
12031
}
12032
}
12033
12034
elink_cl22_write(sc, phy,
12035
0x04,
12036
an_10_100_val | fc_val);
12037
12038
if (phy->req_duplex == DUPLEX_FULL)
12039
autoneg_val |= (1<<8);
12040
12041
elink_cl22_write(sc, phy,
12042
MDIO_PMA_REG_CTRL, autoneg_val);
12043
12044
return ELINK_STATUS_OK;
12045
}
12046
12047
12048
static void elink_5461x_set_link_led(struct elink_phy *phy,
12049
struct elink_params *params, uint8_t mode)
12050
{
12051
struct bxe_softc *sc = params->sc;
12052
uint16_t temp;
12053
12054
elink_cl22_write(sc, phy,
12055
MDIO_REG_GPHY_SHADOW,
12056
MDIO_REG_GPHY_SHADOW_LED_SEL1);
12057
elink_cl22_read(sc, phy,
12058
MDIO_REG_GPHY_SHADOW,
12059
&temp);
12060
temp &= 0xff00;
12061
12062
ELINK_DEBUG_P1(sc, "54618x set link led (mode=%x)\n", mode);
12063
switch (mode) {
12064
case ELINK_LED_MODE_FRONT_PANEL_OFF:
12065
case ELINK_LED_MODE_OFF:
12066
temp |= 0x00ee;
12067
break;
12068
case ELINK_LED_MODE_OPER:
12069
temp |= 0x0001;
12070
break;
12071
case ELINK_LED_MODE_ON:
12072
temp |= 0x00ff;
12073
break;
12074
default:
12075
break;
12076
}
12077
elink_cl22_write(sc, phy,
12078
MDIO_REG_GPHY_SHADOW,
12079
MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
12080
return;
12081
}
12082
12083
12084
static void elink_54618se_link_reset(struct elink_phy *phy,
12085
struct elink_params *params)
12086
{
12087
struct bxe_softc *sc = params->sc;
12088
uint32_t cfg_pin;
12089
uint8_t port;
12090
12091
/* In case of no EPIO routed to reset the GPHY, put it
12092
* in low power mode.
12093
*/
12094
elink_cl22_write(sc, phy, MDIO_PMA_REG_CTRL, 0x800);
12095
/* This works with E3 only, no need to check the chip
12096
* before determining the port.
12097
*/
12098
port = params->port;
12099
cfg_pin = (REG_RD(sc, params->shmem_base +
12100
offsetof(struct shmem_region,
12101
dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
12102
PORT_HW_CFG_E3_PHY_RESET_MASK) >>
12103
PORT_HW_CFG_E3_PHY_RESET_SHIFT;
12104
12105
/* Drive pin low to put GPHY in reset. */
12106
elink_set_cfg_pin(sc, cfg_pin, 0);
12107
}
12108
12109
static uint8_t elink_54618se_read_status(struct elink_phy *phy,
12110
struct elink_params *params,
12111
struct elink_vars *vars)
12112
{
12113
struct bxe_softc *sc = params->sc;
12114
uint16_t val;
12115
uint8_t link_up = 0;
12116
uint16_t legacy_status, legacy_speed;
12117
12118
/* Get speed operation status */
12119
elink_cl22_read(sc, phy,
12120
MDIO_REG_GPHY_AUX_STATUS,
12121
&legacy_status);
12122
ELINK_DEBUG_P1(sc, "54618SE read_status: 0x%x\n", legacy_status);
12123
12124
/* Read status to clear the PHY interrupt. */
12125
elink_cl22_read(sc, phy,
12126
MDIO_REG_INTR_STATUS,
12127
&val);
12128
12129
link_up = ((legacy_status & (1<<2)) == (1<<2));
12130
12131
if (link_up) {
12132
legacy_speed = (legacy_status & (7<<8));
12133
if (legacy_speed == (7<<8)) {
12134
vars->line_speed = ELINK_SPEED_1000;
12135
vars->duplex = DUPLEX_FULL;
12136
} else if (legacy_speed == (6<<8)) {
12137
vars->line_speed = ELINK_SPEED_1000;
12138
vars->duplex = DUPLEX_HALF;
12139
} else if (legacy_speed == (5<<8)) {
12140
vars->line_speed = ELINK_SPEED_100;
12141
vars->duplex = DUPLEX_FULL;
12142
}
12143
/* Omitting 100Base-T4 for now */
12144
else if (legacy_speed == (3<<8)) {
12145
vars->line_speed = ELINK_SPEED_100;
12146
vars->duplex = DUPLEX_HALF;
12147
} else if (legacy_speed == (2<<8)) {
12148
vars->line_speed = ELINK_SPEED_10;
12149
vars->duplex = DUPLEX_FULL;
12150
} else if (legacy_speed == (1<<8)) {
12151
vars->line_speed = ELINK_SPEED_10;
12152
vars->duplex = DUPLEX_HALF;
12153
} else /* Should not happen */
12154
vars->line_speed = 0;
12155
12156
ELINK_DEBUG_P2(sc,
12157
"Link is up in %dMbps, is_duplex_full= %d\n",
12158
vars->line_speed,
12159
(vars->duplex == DUPLEX_FULL));
12160
12161
/* Check legacy speed AN resolution */
12162
elink_cl22_read(sc, phy,
12163
0x01,
12164
&val);
12165
if (val & (1<<5))
12166
vars->link_status |=
12167
LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
12168
elink_cl22_read(sc, phy,
12169
0x06,
12170
&val);
12171
if ((val & (1<<0)) == 0)
12172
vars->link_status |=
12173
LINK_STATUS_PARALLEL_DETECTION_USED;
12174
12175
ELINK_DEBUG_P1(sc, "BCM54618SE: link speed is %d\n",
12176
vars->line_speed);
12177
12178
elink_ext_phy_resolve_fc(phy, params, vars);
12179
12180
if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
12181
/* Report LP advertised speeds */
12182
elink_cl22_read(sc, phy, 0x5, &val);
12183
12184
if (val & (1<<5))
12185
vars->link_status |=
12186
LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
12187
if (val & (1<<6))
12188
vars->link_status |=
12189
LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
12190
if (val & (1<<7))
12191
vars->link_status |=
12192
LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
12193
if (val & (1<<8))
12194
vars->link_status |=
12195
LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
12196
if (val & (1<<9))
12197
vars->link_status |=
12198
LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
12199
12200
elink_cl22_read(sc, phy, 0xa, &val);
12201
if (val & (1<<10))
12202
vars->link_status |=
12203
LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
12204
if (val & (1<<11))
12205
vars->link_status |=
12206
LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
12207
12208
if ((phy->flags & ELINK_FLAGS_EEE) &&
12209
elink_eee_has_cap(params))
12210
elink_eee_an_resolve(phy, params, vars);
12211
}
12212
}
12213
return link_up;
12214
}
12215
12216
static void elink_54618se_config_loopback(struct elink_phy *phy,
12217
struct elink_params *params)
12218
{
12219
struct bxe_softc *sc = params->sc;
12220
uint16_t val;
12221
uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
12222
12223
ELINK_DEBUG_P0(sc, "2PMA/PMD ext_phy_loopback: 54618se\n");
12224
12225
/* Enable master/slave manual mmode and set to master */
12226
/* mii write 9 [bits set 11 12] */
12227
elink_cl22_write(sc, phy, 0x09, 3<<11);
12228
12229
/* forced 1G and disable autoneg */
12230
/* set val [mii read 0] */
12231
/* set val [expr $val & [bits clear 6 12 13]] */
12232
/* set val [expr $val | [bits set 6 8]] */
12233
/* mii write 0 $val */
12234
elink_cl22_read(sc, phy, 0x00, &val);
12235
val &= ~((1<<6) | (1<<12) | (1<<13));
12236
val |= (1<<6) | (1<<8);
12237
elink_cl22_write(sc, phy, 0x00, val);
12238
12239
/* Set external loopback and Tx using 6dB coding */
12240
/* mii write 0x18 7 */
12241
/* set val [mii read 0x18] */
12242
/* mii write 0x18 [expr $val | [bits set 10 15]] */
12243
elink_cl22_write(sc, phy, 0x18, 7);
12244
elink_cl22_read(sc, phy, 0x18, &val);
12245
elink_cl22_write(sc, phy, 0x18, val | (1<<10) | (1<<15));
12246
12247
/* This register opens the gate for the UMAC despite its name */
12248
REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
12249
12250
/* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
12251
* length used by the MAC receive logic to check frames.
12252
*/
12253
REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710);
12254
}
12255
12256
/******************************************************************/
12257
/* SFX7101 PHY SECTION */
12258
/******************************************************************/
12259
static void elink_7101_config_loopback(struct elink_phy *phy,
12260
struct elink_params *params)
12261
{
12262
struct bxe_softc *sc = params->sc;
12263
/* SFX7101_XGXS_TEST1 */
12264
elink_cl45_write(sc, phy,
12265
MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
12266
}
12267
12268
static elink_status_t elink_7101_config_init(struct elink_phy *phy,
12269
struct elink_params *params,
12270
struct elink_vars *vars)
12271
{
12272
uint16_t fw_ver1, fw_ver2, val;
12273
struct bxe_softc *sc = params->sc;
12274
ELINK_DEBUG_P0(sc, "Setting the SFX7101 LASI indication\n");
12275
12276
/* Restore normal power mode*/
12277
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
12278
MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
12279
/* HW reset */
12280
elink_ext_phy_hw_reset(sc, params->port);
12281
elink_wait_reset_complete(sc, phy, params);
12282
12283
elink_cl45_write(sc, phy,
12284
MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
12285
ELINK_DEBUG_P0(sc, "Setting the SFX7101 LED to blink on traffic\n");
12286
elink_cl45_write(sc, phy,
12287
MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
12288
12289
elink_ext_phy_set_pause(params, phy, vars);
12290
/* Restart autoneg */
12291
elink_cl45_read(sc, phy,
12292
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
12293
val |= 0x200;
12294
elink_cl45_write(sc, phy,
12295
MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
12296
12297
/* Save spirom version */
12298
elink_cl45_read(sc, phy,
12299
MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
12300
12301
elink_cl45_read(sc, phy,
12302
MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
12303
elink_save_spirom_version(sc, params->port,
12304
(uint32_t)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
12305
return ELINK_STATUS_OK;
12306
}
12307
12308
static uint8_t elink_7101_read_status(struct elink_phy *phy,
12309
struct elink_params *params,
12310
struct elink_vars *vars)
12311
{
12312
struct bxe_softc *sc = params->sc;
12313
uint8_t link_up;
12314
uint16_t val1, val2;
12315
elink_cl45_read(sc, phy,
12316
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
12317
elink_cl45_read(sc, phy,
12318
MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
12319
ELINK_DEBUG_P2(sc, "10G-base-T LASI status 0x%x->0x%x\n",
12320
val2, val1);
12321
elink_cl45_read(sc, phy,
12322
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
12323
elink_cl45_read(sc, phy,
12324
MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
12325
ELINK_DEBUG_P2(sc, "10G-base-T PMA status 0x%x->0x%x\n",
12326
val2, val1);
12327
link_up = ((val1 & 4) == 4);
12328
/* If link is up print the AN outcome of the SFX7101 PHY */
12329
if (link_up) {
12330
elink_cl45_read(sc, phy,
12331
MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
12332
&val2);
12333
vars->line_speed = ELINK_SPEED_10000;
12334
vars->duplex = DUPLEX_FULL;
12335
ELINK_DEBUG_P2(sc, "SFX7101 AN status 0x%x->Master=%x\n",
12336
val2, (val2 & (1<<14)));
12337
elink_ext_phy_10G_an_resolve(sc, phy, vars);
12338
elink_ext_phy_resolve_fc(phy, params, vars);
12339
12340
/* Read LP advertised speeds */
12341
if (val2 & (1<<11))
12342
vars->link_status |=
12343
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
12344
}
12345
return link_up;
12346
}
12347
12348
static elink_status_t elink_7101_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len)
12349
{
12350
if (*len < 5)
12351
return ELINK_STATUS_ERROR;
12352
str[0] = (spirom_ver & 0xFF);
12353
str[1] = (spirom_ver & 0xFF00) >> 8;
12354
str[2] = (spirom_ver & 0xFF0000) >> 16;
12355
str[3] = (spirom_ver & 0xFF000000) >> 24;
12356
str[4] = '\0';
12357
*len -= 5;
12358
return ELINK_STATUS_OK;
12359
}
12360
12361
void elink_sfx7101_sp_sw_reset(struct bxe_softc *sc, struct elink_phy *phy)
12362
{
12363
uint16_t val, cnt;
12364
12365
elink_cl45_read(sc, phy,
12366
MDIO_PMA_DEVAD,
12367
MDIO_PMA_REG_7101_RESET, &val);
12368
12369
for (cnt = 0; cnt < 10; cnt++) {
12370
DELAY(1000 * 50);
12371
/* Writes a self-clearing reset */
12372
elink_cl45_write(sc, phy,
12373
MDIO_PMA_DEVAD,
12374
MDIO_PMA_REG_7101_RESET,
12375
(val | (1<<15)));
12376
/* Wait for clear */
12377
elink_cl45_read(sc, phy,
12378
MDIO_PMA_DEVAD,
12379
MDIO_PMA_REG_7101_RESET, &val);
12380
12381
if ((val & (1<<15)) == 0)
12382
break;
12383
}
12384
}
12385
12386
static void elink_7101_hw_reset(struct elink_phy *phy,
12387
struct elink_params *params) {
12388
/* Low power mode is controlled by GPIO 2 */
12389
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_2,
12390
MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12391
/* The PHY reset is controlled by GPIO 1 */
12392
elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1,
12393
MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
12394
}
12395
12396
static void elink_7101_set_link_led(struct elink_phy *phy,
12397
struct elink_params *params, uint8_t mode)
12398
{
12399
uint16_t val = 0;
12400
struct bxe_softc *sc = params->sc;
12401
switch (mode) {
12402
case ELINK_LED_MODE_FRONT_PANEL_OFF:
12403
case ELINK_LED_MODE_OFF:
12404
val = 2;
12405
break;
12406
case ELINK_LED_MODE_ON:
12407
val = 1;
12408
break;
12409
case ELINK_LED_MODE_OPER:
12410
val = 0;
12411
break;
12412
}
12413
elink_cl45_write(sc, phy,
12414
MDIO_PMA_DEVAD,
12415
MDIO_PMA_REG_7107_LINK_LED_CNTL,
12416
val);
12417
}
12418
12419
/******************************************************************/
12420
/* STATIC PHY DECLARATION */
12421
/******************************************************************/
12422
12423
static const struct elink_phy phy_null = {
12424
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
12425
.addr = 0,
12426
.def_md_devad = 0,
12427
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12428
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12429
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12430
.mdio_ctrl = 0,
12431
.supported = 0,
12432
.media_type = ELINK_ETH_PHY_NOT_PRESENT,
12433
.ver_addr = 0,
12434
.req_flow_ctrl = 0,
12435
.req_line_speed = 0,
12436
.speed_cap_mask = 0,
12437
.req_duplex = 0,
12438
.rsrv = 0,
12439
.config_init = (config_init_t)NULL,
12440
.read_status = (read_status_t)NULL,
12441
.link_reset = (link_reset_t)NULL,
12442
.config_loopback = (config_loopback_t)NULL,
12443
.format_fw_ver = (format_fw_ver_t)NULL,
12444
.hw_reset = (hw_reset_t)NULL,
12445
.set_link_led = (set_link_led_t)NULL,
12446
.phy_specific_func = (phy_specific_func_t)NULL
12447
};
12448
12449
static const struct elink_phy phy_serdes = {
12450
.type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
12451
.addr = 0xff,
12452
.def_md_devad = 0,
12453
.flags = 0,
12454
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12455
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12456
.mdio_ctrl = 0,
12457
.supported = (ELINK_SUPPORTED_10baseT_Half |
12458
ELINK_SUPPORTED_10baseT_Full |
12459
ELINK_SUPPORTED_100baseT_Half |
12460
ELINK_SUPPORTED_100baseT_Full |
12461
ELINK_SUPPORTED_1000baseT_Full |
12462
ELINK_SUPPORTED_2500baseX_Full |
12463
ELINK_SUPPORTED_TP |
12464
ELINK_SUPPORTED_Autoneg |
12465
ELINK_SUPPORTED_Pause |
12466
ELINK_SUPPORTED_Asym_Pause),
12467
.media_type = ELINK_ETH_PHY_BASE_T,
12468
.ver_addr = 0,
12469
.req_flow_ctrl = 0,
12470
.req_line_speed = 0,
12471
.speed_cap_mask = 0,
12472
.req_duplex = 0,
12473
.rsrv = 0,
12474
.config_init = (config_init_t)elink_xgxs_config_init,
12475
.read_status = (read_status_t)elink_link_settings_status,
12476
.link_reset = (link_reset_t)elink_int_link_reset,
12477
.config_loopback = (config_loopback_t)NULL,
12478
.format_fw_ver = (format_fw_ver_t)NULL,
12479
.hw_reset = (hw_reset_t)NULL,
12480
.set_link_led = (set_link_led_t)NULL,
12481
.phy_specific_func = (phy_specific_func_t)NULL
12482
};
12483
12484
static const struct elink_phy phy_xgxs = {
12485
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12486
.addr = 0xff,
12487
.def_md_devad = 0,
12488
.flags = 0,
12489
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12490
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12491
.mdio_ctrl = 0,
12492
.supported = (ELINK_SUPPORTED_10baseT_Half |
12493
ELINK_SUPPORTED_10baseT_Full |
12494
ELINK_SUPPORTED_100baseT_Half |
12495
ELINK_SUPPORTED_100baseT_Full |
12496
ELINK_SUPPORTED_1000baseT_Full |
12497
ELINK_SUPPORTED_2500baseX_Full |
12498
ELINK_SUPPORTED_10000baseT_Full |
12499
ELINK_SUPPORTED_FIBRE |
12500
ELINK_SUPPORTED_Autoneg |
12501
ELINK_SUPPORTED_Pause |
12502
ELINK_SUPPORTED_Asym_Pause),
12503
.media_type = ELINK_ETH_PHY_CX4,
12504
.ver_addr = 0,
12505
.req_flow_ctrl = 0,
12506
.req_line_speed = 0,
12507
.speed_cap_mask = 0,
12508
.req_duplex = 0,
12509
.rsrv = 0,
12510
.config_init = (config_init_t)elink_xgxs_config_init,
12511
.read_status = (read_status_t)elink_link_settings_status,
12512
.link_reset = (link_reset_t)elink_int_link_reset,
12513
.config_loopback = (config_loopback_t)elink_set_xgxs_loopback,
12514
.format_fw_ver = (format_fw_ver_t)NULL,
12515
.hw_reset = (hw_reset_t)NULL,
12516
.set_link_led = (set_link_led_t)NULL,
12517
.phy_specific_func = (phy_specific_func_t)elink_xgxs_specific_func
12518
};
12519
static const struct elink_phy phy_warpcore = {
12520
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
12521
.addr = 0xff,
12522
.def_md_devad = 0,
12523
.flags = ELINK_FLAGS_TX_ERROR_CHECK,
12524
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12525
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12526
.mdio_ctrl = 0,
12527
.supported = (ELINK_SUPPORTED_10baseT_Half |
12528
ELINK_SUPPORTED_10baseT_Full |
12529
ELINK_SUPPORTED_100baseT_Half |
12530
ELINK_SUPPORTED_100baseT_Full |
12531
ELINK_SUPPORTED_1000baseT_Full |
12532
ELINK_SUPPORTED_1000baseKX_Full |
12533
ELINK_SUPPORTED_10000baseT_Full |
12534
ELINK_SUPPORTED_10000baseKR_Full |
12535
ELINK_SUPPORTED_20000baseKR2_Full |
12536
ELINK_SUPPORTED_20000baseMLD2_Full |
12537
ELINK_SUPPORTED_FIBRE |
12538
ELINK_SUPPORTED_Autoneg |
12539
ELINK_SUPPORTED_Pause |
12540
ELINK_SUPPORTED_Asym_Pause),
12541
.media_type = ELINK_ETH_PHY_UNSPECIFIED,
12542
.ver_addr = 0,
12543
.req_flow_ctrl = 0,
12544
.req_line_speed = 0,
12545
.speed_cap_mask = 0,
12546
/* req_duplex = */0,
12547
/* rsrv = */0,
12548
.config_init = (config_init_t)elink_warpcore_config_init,
12549
.read_status = (read_status_t)elink_warpcore_read_status,
12550
.link_reset = (link_reset_t)elink_warpcore_link_reset,
12551
.config_loopback = (config_loopback_t)elink_set_warpcore_loopback,
12552
.format_fw_ver = (format_fw_ver_t)NULL,
12553
.hw_reset = (hw_reset_t)elink_warpcore_hw_reset,
12554
.set_link_led = (set_link_led_t)NULL,
12555
.phy_specific_func = (phy_specific_func_t)NULL
12556
};
12557
12558
12559
static const struct elink_phy phy_7101 = {
12560
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
12561
.addr = 0xff,
12562
.def_md_devad = 0,
12563
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ,
12564
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12565
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12566
.mdio_ctrl = 0,
12567
.supported = (ELINK_SUPPORTED_10000baseT_Full |
12568
ELINK_SUPPORTED_TP |
12569
ELINK_SUPPORTED_Autoneg |
12570
ELINK_SUPPORTED_Pause |
12571
ELINK_SUPPORTED_Asym_Pause),
12572
.media_type = ELINK_ETH_PHY_BASE_T,
12573
.ver_addr = 0,
12574
.req_flow_ctrl = 0,
12575
.req_line_speed = 0,
12576
.speed_cap_mask = 0,
12577
.req_duplex = 0,
12578
.rsrv = 0,
12579
.config_init = (config_init_t)elink_7101_config_init,
12580
.read_status = (read_status_t)elink_7101_read_status,
12581
.link_reset = (link_reset_t)elink_common_ext_link_reset,
12582
.config_loopback = (config_loopback_t)elink_7101_config_loopback,
12583
.format_fw_ver = (format_fw_ver_t)elink_7101_format_ver,
12584
.hw_reset = (hw_reset_t)elink_7101_hw_reset,
12585
.set_link_led = (set_link_led_t)elink_7101_set_link_led,
12586
.phy_specific_func = (phy_specific_func_t)NULL
12587
};
12588
static const struct elink_phy phy_8073 = {
12589
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
12590
.addr = 0xff,
12591
.def_md_devad = 0,
12592
.flags = 0,
12593
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12594
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12595
.mdio_ctrl = 0,
12596
.supported = (ELINK_SUPPORTED_10000baseT_Full |
12597
ELINK_SUPPORTED_2500baseX_Full |
12598
ELINK_SUPPORTED_1000baseT_Full |
12599
ELINK_SUPPORTED_FIBRE |
12600
ELINK_SUPPORTED_Autoneg |
12601
ELINK_SUPPORTED_Pause |
12602
ELINK_SUPPORTED_Asym_Pause),
12603
.media_type = ELINK_ETH_PHY_KR,
12604
.ver_addr = 0,
12605
.req_flow_ctrl = 0,
12606
.req_line_speed = 0,
12607
.speed_cap_mask = 0,
12608
.req_duplex = 0,
12609
.rsrv = 0,
12610
.config_init = (config_init_t)elink_8073_config_init,
12611
.read_status = (read_status_t)elink_8073_read_status,
12612
.link_reset = (link_reset_t)elink_8073_link_reset,
12613
.config_loopback = (config_loopback_t)NULL,
12614
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
12615
.hw_reset = (hw_reset_t)NULL,
12616
.set_link_led = (set_link_led_t)NULL,
12617
.phy_specific_func = (phy_specific_func_t)elink_8073_specific_func
12618
};
12619
static const struct elink_phy phy_8705 = {
12620
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
12621
.addr = 0xff,
12622
.def_md_devad = 0,
12623
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12624
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12625
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12626
.mdio_ctrl = 0,
12627
.supported = (ELINK_SUPPORTED_10000baseT_Full |
12628
ELINK_SUPPORTED_FIBRE |
12629
ELINK_SUPPORTED_Pause |
12630
ELINK_SUPPORTED_Asym_Pause),
12631
.media_type = ELINK_ETH_PHY_XFP_FIBER,
12632
.ver_addr = 0,
12633
.req_flow_ctrl = 0,
12634
.req_line_speed = 0,
12635
.speed_cap_mask = 0,
12636
.req_duplex = 0,
12637
.rsrv = 0,
12638
.config_init = (config_init_t)elink_8705_config_init,
12639
.read_status = (read_status_t)elink_8705_read_status,
12640
.link_reset = (link_reset_t)elink_common_ext_link_reset,
12641
.config_loopback = (config_loopback_t)NULL,
12642
.format_fw_ver = (format_fw_ver_t)elink_null_format_ver,
12643
.hw_reset = (hw_reset_t)NULL,
12644
.set_link_led = (set_link_led_t)NULL,
12645
.phy_specific_func = (phy_specific_func_t)NULL
12646
};
12647
static const struct elink_phy phy_8706 = {
12648
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
12649
.addr = 0xff,
12650
.def_md_devad = 0,
12651
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12652
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12653
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12654
.mdio_ctrl = 0,
12655
.supported = (ELINK_SUPPORTED_10000baseT_Full |
12656
ELINK_SUPPORTED_1000baseT_Full |
12657
ELINK_SUPPORTED_FIBRE |
12658
ELINK_SUPPORTED_Pause |
12659
ELINK_SUPPORTED_Asym_Pause),
12660
.media_type = ELINK_ETH_PHY_SFPP_10G_FIBER,
12661
.ver_addr = 0,
12662
.req_flow_ctrl = 0,
12663
.req_line_speed = 0,
12664
.speed_cap_mask = 0,
12665
.req_duplex = 0,
12666
.rsrv = 0,
12667
.config_init = (config_init_t)elink_8706_config_init,
12668
.read_status = (read_status_t)elink_8706_read_status,
12669
.link_reset = (link_reset_t)elink_common_ext_link_reset,
12670
.config_loopback = (config_loopback_t)NULL,
12671
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
12672
.hw_reset = (hw_reset_t)NULL,
12673
.set_link_led = (set_link_led_t)NULL,
12674
.phy_specific_func = (phy_specific_func_t)NULL
12675
};
12676
12677
static const struct elink_phy phy_8726 = {
12678
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
12679
.addr = 0xff,
12680
.def_md_devad = 0,
12681
.flags = (ELINK_FLAGS_INIT_XGXS_FIRST |
12682
ELINK_FLAGS_TX_ERROR_CHECK),
12683
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12684
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12685
.mdio_ctrl = 0,
12686
.supported = (ELINK_SUPPORTED_10000baseT_Full |
12687
ELINK_SUPPORTED_1000baseT_Full |
12688
ELINK_SUPPORTED_Autoneg |
12689
ELINK_SUPPORTED_FIBRE |
12690
ELINK_SUPPORTED_Pause |
12691
ELINK_SUPPORTED_Asym_Pause),
12692
.media_type = ELINK_ETH_PHY_NOT_PRESENT,
12693
.ver_addr = 0,
12694
.req_flow_ctrl = 0,
12695
.req_line_speed = 0,
12696
.speed_cap_mask = 0,
12697
.req_duplex = 0,
12698
.rsrv = 0,
12699
.config_init = (config_init_t)elink_8726_config_init,
12700
.read_status = (read_status_t)elink_8726_read_status,
12701
.link_reset = (link_reset_t)elink_8726_link_reset,
12702
.config_loopback = (config_loopback_t)elink_8726_config_loopback,
12703
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
12704
.hw_reset = (hw_reset_t)NULL,
12705
.set_link_led = (set_link_led_t)NULL,
12706
.phy_specific_func = (phy_specific_func_t)NULL
12707
};
12708
12709
static const struct elink_phy phy_8727 = {
12710
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
12711
.addr = 0xff,
12712
.def_md_devad = 0,
12713
.flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12714
ELINK_FLAGS_TX_ERROR_CHECK),
12715
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12716
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12717
.mdio_ctrl = 0,
12718
.supported = (ELINK_SUPPORTED_10000baseT_Full |
12719
ELINK_SUPPORTED_1000baseT_Full |
12720
ELINK_SUPPORTED_FIBRE |
12721
ELINK_SUPPORTED_Pause |
12722
ELINK_SUPPORTED_Asym_Pause),
12723
.media_type = ELINK_ETH_PHY_NOT_PRESENT,
12724
.ver_addr = 0,
12725
.req_flow_ctrl = 0,
12726
.req_line_speed = 0,
12727
.speed_cap_mask = 0,
12728
.req_duplex = 0,
12729
.rsrv = 0,
12730
.config_init = (config_init_t)elink_8727_config_init,
12731
.read_status = (read_status_t)elink_8727_read_status,
12732
.link_reset = (link_reset_t)elink_8727_link_reset,
12733
.config_loopback = (config_loopback_t)NULL,
12734
.format_fw_ver = (format_fw_ver_t)elink_format_ver,
12735
.hw_reset = (hw_reset_t)elink_8727_hw_reset,
12736
.set_link_led = (set_link_led_t)elink_8727_set_link_led,
12737
.phy_specific_func = (phy_specific_func_t)elink_8727_specific_func
12738
};
12739
static const struct elink_phy phy_8481 = {
12740
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
12741
.addr = 0xff,
12742
.def_md_devad = 0,
12743
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12744
ELINK_FLAGS_REARM_LATCH_SIGNAL,
12745
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12746
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12747
.mdio_ctrl = 0,
12748
.supported = (ELINK_SUPPORTED_10baseT_Half |
12749
ELINK_SUPPORTED_10baseT_Full |
12750
ELINK_SUPPORTED_100baseT_Half |
12751
ELINK_SUPPORTED_100baseT_Full |
12752
ELINK_SUPPORTED_1000baseT_Full |
12753
ELINK_SUPPORTED_10000baseT_Full |
12754
ELINK_SUPPORTED_TP |
12755
ELINK_SUPPORTED_Autoneg |
12756
ELINK_SUPPORTED_Pause |
12757
ELINK_SUPPORTED_Asym_Pause),
12758
.media_type = ELINK_ETH_PHY_BASE_T,
12759
.ver_addr = 0,
12760
.req_flow_ctrl = 0,
12761
.req_line_speed = 0,
12762
.speed_cap_mask = 0,
12763
.req_duplex = 0,
12764
.rsrv = 0,
12765
.config_init = (config_init_t)elink_8481_config_init,
12766
.read_status = (read_status_t)elink_848xx_read_status,
12767
.link_reset = (link_reset_t)elink_8481_link_reset,
12768
.config_loopback = (config_loopback_t)NULL,
12769
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12770
.hw_reset = (hw_reset_t)elink_8481_hw_reset,
12771
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12772
.phy_specific_func = (phy_specific_func_t)NULL
12773
};
12774
12775
static const struct elink_phy phy_84823 = {
12776
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
12777
.addr = 0xff,
12778
.def_md_devad = 0,
12779
.flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12780
ELINK_FLAGS_REARM_LATCH_SIGNAL |
12781
ELINK_FLAGS_TX_ERROR_CHECK),
12782
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12783
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12784
.mdio_ctrl = 0,
12785
.supported = (ELINK_SUPPORTED_10baseT_Half |
12786
ELINK_SUPPORTED_10baseT_Full |
12787
ELINK_SUPPORTED_100baseT_Half |
12788
ELINK_SUPPORTED_100baseT_Full |
12789
ELINK_SUPPORTED_1000baseT_Full |
12790
ELINK_SUPPORTED_10000baseT_Full |
12791
ELINK_SUPPORTED_TP |
12792
ELINK_SUPPORTED_Autoneg |
12793
ELINK_SUPPORTED_Pause |
12794
ELINK_SUPPORTED_Asym_Pause),
12795
.media_type = ELINK_ETH_PHY_BASE_T,
12796
.ver_addr = 0,
12797
.req_flow_ctrl = 0,
12798
.req_line_speed = 0,
12799
.speed_cap_mask = 0,
12800
.req_duplex = 0,
12801
.rsrv = 0,
12802
.config_init = (config_init_t)elink_848x3_config_init,
12803
.read_status = (read_status_t)elink_848xx_read_status,
12804
.link_reset = (link_reset_t)elink_848x3_link_reset,
12805
.config_loopback = (config_loopback_t)NULL,
12806
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12807
.hw_reset = (hw_reset_t)NULL,
12808
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12809
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12810
};
12811
12812
static const struct elink_phy phy_84833 = {
12813
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
12814
.addr = 0xff,
12815
.def_md_devad = 0,
12816
.flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12817
ELINK_FLAGS_REARM_LATCH_SIGNAL |
12818
ELINK_FLAGS_TX_ERROR_CHECK |
12819
ELINK_FLAGS_TEMPERATURE),
12820
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12821
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12822
.mdio_ctrl = 0,
12823
.supported = (ELINK_SUPPORTED_100baseT_Half |
12824
ELINK_SUPPORTED_100baseT_Full |
12825
ELINK_SUPPORTED_1000baseT_Full |
12826
ELINK_SUPPORTED_10000baseT_Full |
12827
ELINK_SUPPORTED_TP |
12828
ELINK_SUPPORTED_Autoneg |
12829
ELINK_SUPPORTED_Pause |
12830
ELINK_SUPPORTED_Asym_Pause),
12831
.media_type = ELINK_ETH_PHY_BASE_T,
12832
.ver_addr = 0,
12833
.req_flow_ctrl = 0,
12834
.req_line_speed = 0,
12835
.speed_cap_mask = 0,
12836
.req_duplex = 0,
12837
.rsrv = 0,
12838
.config_init = (config_init_t)elink_848x3_config_init,
12839
.read_status = (read_status_t)elink_848xx_read_status,
12840
.link_reset = (link_reset_t)elink_848x3_link_reset,
12841
.config_loopback = (config_loopback_t)NULL,
12842
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12843
.hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
12844
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12845
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12846
};
12847
12848
static const struct elink_phy phy_84834 = {
12849
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
12850
.addr = 0xff,
12851
.def_md_devad = 0,
12852
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12853
ELINK_FLAGS_REARM_LATCH_SIGNAL,
12854
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12855
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12856
.mdio_ctrl = 0,
12857
.supported = (ELINK_SUPPORTED_100baseT_Half |
12858
ELINK_SUPPORTED_100baseT_Full |
12859
ELINK_SUPPORTED_1000baseT_Full |
12860
ELINK_SUPPORTED_10000baseT_Full |
12861
ELINK_SUPPORTED_TP |
12862
ELINK_SUPPORTED_Autoneg |
12863
ELINK_SUPPORTED_Pause |
12864
ELINK_SUPPORTED_Asym_Pause),
12865
.media_type = ELINK_ETH_PHY_BASE_T,
12866
.ver_addr = 0,
12867
.req_flow_ctrl = 0,
12868
.req_line_speed = 0,
12869
.speed_cap_mask = 0,
12870
.req_duplex = 0,
12871
.rsrv = 0,
12872
.config_init = (config_init_t)elink_848x3_config_init,
12873
.read_status = (read_status_t)elink_848xx_read_status,
12874
.link_reset = (link_reset_t)elink_848x3_link_reset,
12875
.config_loopback = (config_loopback_t)NULL,
12876
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12877
.hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
12878
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12879
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12880
};
12881
12882
static const struct elink_phy phy_84858 = {
12883
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
12884
.addr = 0xff,
12885
.def_md_devad = 0,
12886
.flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ |
12887
ELINK_FLAGS_REARM_LATCH_SIGNAL,
12888
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12889
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12890
.mdio_ctrl = 0,
12891
.supported = (ELINK_SUPPORTED_100baseT_Half |
12892
ELINK_SUPPORTED_100baseT_Full |
12893
ELINK_SUPPORTED_1000baseT_Full |
12894
ELINK_SUPPORTED_10000baseT_Full |
12895
ELINK_SUPPORTED_TP |
12896
ELINK_SUPPORTED_Autoneg |
12897
ELINK_SUPPORTED_Pause |
12898
ELINK_SUPPORTED_Asym_Pause),
12899
.media_type = ELINK_ETH_PHY_BASE_T,
12900
.ver_addr = 0,
12901
.req_flow_ctrl = 0,
12902
.req_line_speed = 0,
12903
.speed_cap_mask = 0,
12904
.req_duplex = 0,
12905
.rsrv = 0,
12906
.config_init = (config_init_t)elink_848x3_config_init,
12907
.read_status = (read_status_t)elink_848xx_read_status,
12908
.link_reset = (link_reset_t)elink_848x3_link_reset,
12909
.config_loopback = (config_loopback_t)NULL,
12910
.format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver,
12911
.hw_reset = (hw_reset_t)elink_84833_hw_reset_phy,
12912
.set_link_led = (set_link_led_t)elink_848xx_set_link_led,
12913
.phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func
12914
};
12915
12916
12917
static const struct elink_phy phy_54618se = {
12918
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
12919
.addr = 0xff,
12920
.def_md_devad = 0,
12921
.flags = ELINK_FLAGS_INIT_XGXS_FIRST,
12922
.rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12923
.tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
12924
.mdio_ctrl = 0,
12925
.supported = (ELINK_SUPPORTED_10baseT_Half |
12926
ELINK_SUPPORTED_10baseT_Full |
12927
ELINK_SUPPORTED_100baseT_Half |
12928
ELINK_SUPPORTED_100baseT_Full |
12929
ELINK_SUPPORTED_1000baseT_Full |
12930
ELINK_SUPPORTED_TP |
12931
ELINK_SUPPORTED_Autoneg |
12932
ELINK_SUPPORTED_Pause |
12933
ELINK_SUPPORTED_Asym_Pause),
12934
.media_type = ELINK_ETH_PHY_BASE_T,
12935
.ver_addr = 0,
12936
.req_flow_ctrl = 0,
12937
.req_line_speed = 0,
12938
.speed_cap_mask = 0,
12939
/* req_duplex = */0,
12940
/* rsrv = */0,
12941
.config_init = (config_init_t)elink_54618se_config_init,
12942
.read_status = (read_status_t)elink_54618se_read_status,
12943
.link_reset = (link_reset_t)elink_54618se_link_reset,
12944
.config_loopback = (config_loopback_t)elink_54618se_config_loopback,
12945
.format_fw_ver = (format_fw_ver_t)NULL,
12946
.hw_reset = (hw_reset_t)NULL,
12947
.set_link_led = (set_link_led_t)elink_5461x_set_link_led,
12948
.phy_specific_func = (phy_specific_func_t)elink_54618se_specific_func
12949
};
12950
/*****************************************************************/
12951
/* */
12952
/* Populate the phy according. Main function: elink_populate_phy */
12953
/* */
12954
/*****************************************************************/
12955
12956
static void elink_populate_preemphasis(struct bxe_softc *sc, uint32_t shmem_base,
12957
struct elink_phy *phy, uint8_t port,
12958
uint8_t phy_index)
12959
{
12960
/* Get the 4 lanes xgxs config rx and tx */
12961
uint32_t rx = 0, tx = 0, i;
12962
for (i = 0; i < 2; i++) {
12963
/* INT_PHY and ELINK_EXT_PHY1 share the same value location in
12964
* the shmem. When num_phys is greater than 1, than this value
12965
* applies only to ELINK_EXT_PHY1
12966
*/
12967
if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) {
12968
rx = REG_RD(sc, shmem_base +
12969
offsetof(struct shmem_region,
12970
dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
12971
12972
tx = REG_RD(sc, shmem_base +
12973
offsetof(struct shmem_region,
12974
dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
12975
} else {
12976
rx = REG_RD(sc, shmem_base +
12977
offsetof(struct shmem_region,
12978
dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12979
12980
tx = REG_RD(sc, shmem_base +
12981
offsetof(struct shmem_region,
12982
dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
12983
}
12984
12985
phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
12986
phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
12987
12988
phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
12989
phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
12990
ELINK_DEBUG_P2(sc,"phy->rx_preemphasis = %x, phy->tx_preemphasis = %x\n",
12991
phy->rx_preemphasis[i << 1], phy->tx_preemphasis[i << 1]);
12992
}
12993
}
12994
12995
static uint32_t elink_get_ext_phy_config(struct bxe_softc *sc, uint32_t shmem_base,
12996
uint8_t phy_index, uint8_t port)
12997
{
12998
uint32_t ext_phy_config = 0;
12999
switch (phy_index) {
13000
case ELINK_EXT_PHY1:
13001
ext_phy_config = REG_RD(sc, shmem_base +
13002
offsetof(struct shmem_region,
13003
dev_info.port_hw_config[port].external_phy_config));
13004
break;
13005
case ELINK_EXT_PHY2:
13006
ext_phy_config = REG_RD(sc, shmem_base +
13007
offsetof(struct shmem_region,
13008
dev_info.port_hw_config[port].external_phy_config2));
13009
break;
13010
default:
13011
ELINK_DEBUG_P1(sc, "Invalid phy_index %d\n", phy_index);
13012
return ELINK_STATUS_ERROR;
13013
}
13014
13015
return ext_phy_config;
13016
}
13017
static elink_status_t elink_populate_int_phy(struct bxe_softc *sc, uint32_t shmem_base, uint8_t port,
13018
struct elink_phy *phy)
13019
{
13020
uint32_t phy_addr;
13021
uint32_t chip_id;
13022
uint32_t switch_cfg = (REG_RD(sc, shmem_base +
13023
offsetof(struct shmem_region,
13024
dev_info.port_feature_config[port].link_config)) &
13025
PORT_FEATURE_CONNECTED_SWITCH_MASK);
13026
chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) |
13027
((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12);
13028
13029
ELINK_DEBUG_P1(sc, ":chip_id = 0x%x\n", chip_id);
13030
if (USES_WARPCORE(sc)) {
13031
uint32_t serdes_net_if;
13032
phy_addr = REG_RD(sc,
13033
MISC_REG_WC0_CTRL_PHY_ADDR);
13034
*phy = phy_warpcore;
13035
if (REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
13036
phy->flags |= ELINK_FLAGS_4_PORT_MODE;
13037
else
13038
phy->flags &= ~ELINK_FLAGS_4_PORT_MODE;
13039
/* Check Dual mode */
13040
serdes_net_if = (REG_RD(sc, shmem_base +
13041
offsetof(struct shmem_region, dev_info.
13042
port_hw_config[port].default_cfg)) &
13043
PORT_HW_CFG_NET_SERDES_IF_MASK);
13044
/* Set the appropriate supported and flags indications per
13045
* interface type of the chip
13046
*/
13047
switch (serdes_net_if) {
13048
case PORT_HW_CFG_NET_SERDES_IF_SGMII:
13049
phy->supported &= (ELINK_SUPPORTED_10baseT_Half |
13050
ELINK_SUPPORTED_10baseT_Full |
13051
ELINK_SUPPORTED_100baseT_Half |
13052
ELINK_SUPPORTED_100baseT_Full |
13053
ELINK_SUPPORTED_1000baseT_Full |
13054
ELINK_SUPPORTED_FIBRE |
13055
ELINK_SUPPORTED_Autoneg |
13056
ELINK_SUPPORTED_Pause |
13057
ELINK_SUPPORTED_Asym_Pause);
13058
phy->media_type = ELINK_ETH_PHY_BASE_T;
13059
break;
13060
case PORT_HW_CFG_NET_SERDES_IF_XFI:
13061
phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13062
ELINK_SUPPORTED_10000baseT_Full |
13063
ELINK_SUPPORTED_FIBRE |
13064
ELINK_SUPPORTED_Pause |
13065
ELINK_SUPPORTED_Asym_Pause);
13066
phy->media_type = ELINK_ETH_PHY_XFP_FIBER;
13067
break;
13068
case PORT_HW_CFG_NET_SERDES_IF_SFI:
13069
phy->supported &= (ELINK_SUPPORTED_1000baseT_Full |
13070
ELINK_SUPPORTED_10000baseT_Full |
13071
ELINK_SUPPORTED_FIBRE |
13072
ELINK_SUPPORTED_Pause |
13073
ELINK_SUPPORTED_Asym_Pause);
13074
phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER;
13075
break;
13076
case PORT_HW_CFG_NET_SERDES_IF_KR:
13077
phy->media_type = ELINK_ETH_PHY_KR;
13078
phy->supported &= (ELINK_SUPPORTED_1000baseKX_Full |
13079
ELINK_SUPPORTED_10000baseKR_Full |
13080
ELINK_SUPPORTED_FIBRE |
13081
ELINK_SUPPORTED_Autoneg |
13082
ELINK_SUPPORTED_Pause |
13083
ELINK_SUPPORTED_Asym_Pause);
13084
break;
13085
case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
13086
phy->media_type = ELINK_ETH_PHY_KR;
13087
phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13088
phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full |
13089
ELINK_SUPPORTED_FIBRE |
13090
ELINK_SUPPORTED_Pause |
13091
ELINK_SUPPORTED_Asym_Pause);
13092
break;
13093
case PORT_HW_CFG_NET_SERDES_IF_KR2:
13094
phy->media_type = ELINK_ETH_PHY_KR;
13095
phy->flags |= ELINK_FLAGS_WC_DUAL_MODE;
13096
phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full |
13097
ELINK_SUPPORTED_10000baseKR_Full |
13098
ELINK_SUPPORTED_1000baseKX_Full |
13099
ELINK_SUPPORTED_Autoneg |
13100
ELINK_SUPPORTED_FIBRE |
13101
ELINK_SUPPORTED_Pause |
13102
ELINK_SUPPORTED_Asym_Pause);
13103
phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13104
break;
13105
default:
13106
ELINK_DEBUG_P1(sc, "Unknown WC interface type 0x%x\n",
13107
serdes_net_if);
13108
break;
13109
}
13110
13111
/* Enable MDC/MDIO work-around for E3 A0 since free running MDC
13112
* was not set as expected. For B0, ECO will be enabled so there
13113
* won't be an issue there
13114
*/
13115
if (CHIP_REV(sc) == CHIP_REV_Ax)
13116
phy->flags |= ELINK_FLAGS_MDC_MDIO_WA;
13117
else
13118
phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0;
13119
ELINK_DEBUG_P3(sc, "media_type = %x, flags = %x, supported = %x\n",
13120
phy->media_type, phy->flags, phy->supported);
13121
} else
13122
{
13123
switch (switch_cfg) {
13124
case ELINK_SWITCH_CFG_1G:
13125
phy_addr = REG_RD(sc,
13126
NIG_REG_SERDES0_CTRL_PHY_ADDR +
13127
port * 0x10);
13128
*phy = phy_serdes;
13129
break;
13130
case ELINK_SWITCH_CFG_10G:
13131
phy_addr = REG_RD(sc,
13132
NIG_REG_XGXS0_CTRL_PHY_ADDR +
13133
port * 0x18);
13134
*phy = phy_xgxs;
13135
break;
13136
default:
13137
ELINK_DEBUG_P0(sc, "Invalid switch_cfg\n");
13138
return ELINK_STATUS_ERROR;
13139
}
13140
}
13141
phy->addr = (uint8_t)phy_addr;
13142
phy->mdio_ctrl = elink_get_emac_base(sc,
13143
SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
13144
port);
13145
if (CHIP_IS_E2(sc))
13146
phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR;
13147
else
13148
phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR;
13149
13150
ELINK_DEBUG_P3(sc, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
13151
port, phy->addr, phy->mdio_ctrl);
13152
13153
elink_populate_preemphasis(sc, shmem_base, phy, port, ELINK_INT_PHY);
13154
return ELINK_STATUS_OK;
13155
}
13156
13157
static elink_status_t elink_populate_ext_phy(struct bxe_softc *sc,
13158
uint8_t phy_index,
13159
uint32_t shmem_base,
13160
uint32_t shmem2_base,
13161
uint8_t port,
13162
struct elink_phy *phy)
13163
{
13164
uint32_t ext_phy_config, phy_type, config2;
13165
uint32_t mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
13166
ext_phy_config = elink_get_ext_phy_config(sc, shmem_base,
13167
phy_index, port);
13168
phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
13169
/* Select the phy type */
13170
switch (phy_type) {
13171
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
13172
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
13173
*phy = phy_8073;
13174
break;
13175
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
13176
*phy = phy_8705;
13177
break;
13178
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
13179
*phy = phy_8706;
13180
break;
13181
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
13182
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13183
*phy = phy_8726;
13184
break;
13185
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
13186
/* BCM8727_NOC => BCM8727 no over current */
13187
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13188
*phy = phy_8727;
13189
phy->flags |= ELINK_FLAGS_NOC;
13190
break;
13191
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
13192
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
13193
mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
13194
*phy = phy_8727;
13195
break;
13196
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
13197
*phy = phy_8481;
13198
break;
13199
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
13200
*phy = phy_84823;
13201
break;
13202
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
13203
*phy = phy_84833;
13204
break;
13205
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
13206
*phy = phy_84834;
13207
break;
13208
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
13209
*phy = phy_84858;
13210
break;
13211
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
13212
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
13213
*phy = phy_54618se;
13214
if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
13215
phy->flags |= ELINK_FLAGS_EEE;
13216
break;
13217
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
13218
*phy = phy_7101;
13219
break;
13220
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
13221
*phy = phy_null;
13222
return ELINK_STATUS_ERROR;
13223
default:
13224
*phy = phy_null;
13225
/* In case external PHY wasn't found */
13226
if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
13227
(phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
13228
return ELINK_STATUS_ERROR;
13229
return ELINK_STATUS_OK;
13230
}
13231
13232
phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config);
13233
elink_populate_preemphasis(sc, shmem_base, phy, port, phy_index);
13234
13235
/* The shmem address of the phy version is located on different
13236
* structures. In case this structure is too old, do not set
13237
* the address
13238
*/
13239
config2 = REG_RD(sc, shmem_base + offsetof(struct shmem_region,
13240
dev_info.shared_hw_config.config2));
13241
if (phy_index == ELINK_EXT_PHY1) {
13242
phy->ver_addr = shmem_base + offsetof(struct shmem_region,
13243
port_mb[port].ext_phy_fw_version);
13244
13245
/* Check specific mdc mdio settings */
13246
if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
13247
mdc_mdio_access = config2 &
13248
SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
13249
} else {
13250
uint32_t size = REG_RD(sc, shmem2_base);
13251
13252
if (size >
13253
offsetof(struct shmem2_region, ext_phy_fw_version2)) {
13254
phy->ver_addr = shmem2_base +
13255
offsetof(struct shmem2_region,
13256
ext_phy_fw_version2[port]);
13257
}
13258
/* Check specific mdc mdio settings */
13259
if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
13260
mdc_mdio_access = (config2 &
13261
SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
13262
(SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
13263
SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
13264
}
13265
phy->mdio_ctrl = elink_get_emac_base(sc, mdc_mdio_access, port);
13266
13267
if (elink_is_8483x_8485x(phy) && (phy->ver_addr)) {
13268
/* Remove 100Mb link supported for BCM84833/4 when phy fw
13269
* version lower than or equal to 1.39
13270
*/
13271
uint32_t raw_ver = REG_RD(sc, phy->ver_addr);
13272
if (((raw_ver & 0x7F) <= 39) &&
13273
(((raw_ver & 0xF80) >> 7) <= 1))
13274
phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half |
13275
ELINK_SUPPORTED_100baseT_Full);
13276
}
13277
13278
ELINK_DEBUG_P3(sc, "phy_type 0x%x port %d found in index %d\n",
13279
phy_type, port, phy_index);
13280
ELINK_DEBUG_P2(sc, " addr=0x%x, mdio_ctl=0x%x\n",
13281
phy->addr, phy->mdio_ctrl);
13282
return ELINK_STATUS_OK;
13283
}
13284
13285
static elink_status_t elink_populate_phy(struct bxe_softc *sc, uint8_t phy_index, uint32_t shmem_base,
13286
uint32_t shmem2_base, uint8_t port, struct elink_phy *phy)
13287
{
13288
elink_status_t status = ELINK_STATUS_OK;
13289
phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
13290
if (phy_index == ELINK_INT_PHY)
13291
return elink_populate_int_phy(sc, shmem_base, port, phy);
13292
status = elink_populate_ext_phy(sc, phy_index, shmem_base, shmem2_base,
13293
port, phy);
13294
return status;
13295
}
13296
13297
static void elink_phy_def_cfg(struct elink_params *params,
13298
struct elink_phy *phy,
13299
uint8_t phy_index)
13300
{
13301
struct bxe_softc *sc = params->sc;
13302
uint32_t link_config;
13303
/* Populate the default phy configuration for MF mode */
13304
if (phy_index == ELINK_EXT_PHY2) {
13305
link_config = REG_RD(sc, params->shmem_base +
13306
offsetof(struct shmem_region, dev_info.
13307
port_feature_config[params->port].link_config2));
13308
phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
13309
offsetof(struct shmem_region,
13310
dev_info.
13311
port_hw_config[params->port].speed_capability_mask2));
13312
} else {
13313
link_config = REG_RD(sc, params->shmem_base +
13314
offsetof(struct shmem_region, dev_info.
13315
port_feature_config[params->port].link_config));
13316
phy->speed_cap_mask = REG_RD(sc, params->shmem_base +
13317
offsetof(struct shmem_region,
13318
dev_info.
13319
port_hw_config[params->port].speed_capability_mask));
13320
}
13321
ELINK_DEBUG_P3(sc,
13322
"Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
13323
phy_index, link_config, phy->speed_cap_mask);
13324
13325
phy->req_duplex = DUPLEX_FULL;
13326
switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
13327
case PORT_FEATURE_LINK_SPEED_10M_HALF:
13328
phy->req_duplex = DUPLEX_HALF;
13329
case PORT_FEATURE_LINK_SPEED_10M_FULL:
13330
phy->req_line_speed = ELINK_SPEED_10;
13331
break;
13332
case PORT_FEATURE_LINK_SPEED_100M_HALF:
13333
phy->req_duplex = DUPLEX_HALF;
13334
case PORT_FEATURE_LINK_SPEED_100M_FULL:
13335
phy->req_line_speed = ELINK_SPEED_100;
13336
break;
13337
case PORT_FEATURE_LINK_SPEED_1G:
13338
phy->req_line_speed = ELINK_SPEED_1000;
13339
break;
13340
case PORT_FEATURE_LINK_SPEED_2_5G:
13341
phy->req_line_speed = ELINK_SPEED_2500;
13342
break;
13343
case PORT_FEATURE_LINK_SPEED_10G_CX4:
13344
phy->req_line_speed = ELINK_SPEED_10000;
13345
break;
13346
default:
13347
phy->req_line_speed = ELINK_SPEED_AUTO_NEG;
13348
break;
13349
}
13350
13351
ELINK_DEBUG_P2(sc, "Default config phy idx %x, req_duplex config %x\n",
13352
phy_index, phy->req_duplex);
13353
13354
switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
13355
case PORT_FEATURE_FLOW_CONTROL_AUTO:
13356
phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO;
13357
break;
13358
case PORT_FEATURE_FLOW_CONTROL_TX:
13359
phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX;
13360
break;
13361
case PORT_FEATURE_FLOW_CONTROL_RX:
13362
phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX;
13363
break;
13364
case PORT_FEATURE_FLOW_CONTROL_BOTH:
13365
phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH;
13366
break;
13367
default:
13368
phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE;
13369
break;
13370
}
13371
ELINK_DEBUG_P3(sc, "Requested Duplex = %x, line_speed = %x, flow_ctrl = %x\n",
13372
phy->req_duplex, phy->req_line_speed, phy->req_flow_ctrl);
13373
}
13374
13375
uint32_t elink_phy_selection(struct elink_params *params)
13376
{
13377
uint32_t phy_config_swapped, prio_cfg;
13378
uint32_t return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
13379
13380
phy_config_swapped = params->multi_phy_config &
13381
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13382
13383
prio_cfg = params->multi_phy_config &
13384
PORT_HW_CFG_PHY_SELECTION_MASK;
13385
13386
if (phy_config_swapped) {
13387
switch (prio_cfg) {
13388
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
13389
return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
13390
break;
13391
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
13392
return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
13393
break;
13394
case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
13395
return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
13396
break;
13397
case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
13398
return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
13399
break;
13400
}
13401
} else
13402
return_cfg = prio_cfg;
13403
13404
return return_cfg;
13405
}
13406
13407
elink_status_t elink_phy_probe(struct elink_params *params)
13408
{
13409
uint8_t phy_index, actual_phy_idx;
13410
uint32_t phy_config_swapped, sync_offset, media_types;
13411
struct bxe_softc *sc = params->sc;
13412
struct elink_phy *phy;
13413
params->num_phys = 0;
13414
ELINK_DEBUG_P0(sc, "Begin phy probe\n");
13415
#ifdef ELINK_INCLUDE_EMUL
13416
if (CHIP_REV_IS_EMUL(sc))
13417
return ELINK_STATUS_OK;
13418
#endif
13419
phy_config_swapped = params->multi_phy_config &
13420
PORT_HW_CFG_PHY_SWAPPED_ENABLED;
13421
13422
for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
13423
phy_index++) {
13424
actual_phy_idx = phy_index;
13425
if (phy_config_swapped) {
13426
if (phy_index == ELINK_EXT_PHY1)
13427
actual_phy_idx = ELINK_EXT_PHY2;
13428
else if (phy_index == ELINK_EXT_PHY2)
13429
actual_phy_idx = ELINK_EXT_PHY1;
13430
}
13431
ELINK_DEBUG_P3(sc, "phy_config_swapped %x, phy_index %x,"
13432
" actual_phy_idx %x\n", phy_config_swapped,
13433
phy_index, actual_phy_idx);
13434
phy = &params->phy[actual_phy_idx];
13435
if (elink_populate_phy(sc, phy_index, params->shmem_base,
13436
params->shmem2_base, params->port,
13437
phy) != ELINK_STATUS_OK) {
13438
params->num_phys = 0;
13439
ELINK_DEBUG_P1(sc, "phy probe failed in phy index %d\n",
13440
phy_index);
13441
for (phy_index = ELINK_INT_PHY;
13442
phy_index < ELINK_MAX_PHYS;
13443
phy_index++)
13444
*phy = phy_null;
13445
return ELINK_STATUS_ERROR;
13446
}
13447
if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
13448
break;
13449
13450
if (params->feature_config_flags &
13451
ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
13452
phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK;
13453
13454
if (!(params->feature_config_flags &
13455
ELINK_FEATURE_CONFIG_MT_SUPPORT))
13456
phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G;
13457
13458
sync_offset = params->shmem_base +
13459
offsetof(struct shmem_region,
13460
dev_info.port_hw_config[params->port].media_type);
13461
media_types = REG_RD(sc, sync_offset);
13462
13463
/* Update media type for non-PMF sync only for the first time
13464
* In case the media type changes afterwards, it will be updated
13465
* using the update_status function
13466
*/
13467
if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
13468
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13469
actual_phy_idx))) == 0) {
13470
media_types |= ((phy->media_type &
13471
PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
13472
(PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
13473
actual_phy_idx));
13474
}
13475
REG_WR(sc, sync_offset, media_types);
13476
13477
elink_phy_def_cfg(params, phy, phy_index);
13478
params->num_phys++;
13479
}
13480
13481
ELINK_DEBUG_P1(sc, "End phy probe. #phys found %x\n", params->num_phys);
13482
return ELINK_STATUS_OK;
13483
}
13484
13485
#ifdef ELINK_INCLUDE_EMUL
13486
static elink_status_t elink_init_e3_emul_mac(struct elink_params *params,
13487
struct elink_vars *vars)
13488
{
13489
struct bxe_softc *sc = params->sc;
13490
vars->line_speed = params->req_line_speed[0];
13491
/* In case link speed is auto, set speed the highest as possible */
13492
if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) {
13493
if (params->feature_config_flags &
13494
ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)
13495
vars->line_speed = ELINK_SPEED_2500;
13496
else if (elink_is_4_port_mode(sc))
13497
vars->line_speed = ELINK_SPEED_10000;
13498
else
13499
vars->line_speed = ELINK_SPEED_20000;
13500
}
13501
if (vars->line_speed < ELINK_SPEED_10000) {
13502
if ((params->feature_config_flags &
13503
ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) {
13504
ELINK_DEBUG_P1(sc, "Invalid line speed %d while UMAC is"
13505
" disabled!\n", params->req_line_speed[0]);
13506
return ELINK_STATUS_ERROR;
13507
}
13508
switch (vars->line_speed) {
13509
case ELINK_SPEED_10:
13510
vars->link_status = ELINK_LINK_10TFD;
13511
break;
13512
case ELINK_SPEED_100:
13513
vars->link_status = ELINK_LINK_100TXFD;
13514
break;
13515
case ELINK_SPEED_1000:
13516
vars->link_status = ELINK_LINK_1000TFD;
13517
break;
13518
case ELINK_SPEED_2500:
13519
vars->link_status = ELINK_LINK_2500TFD;
13520
break;
13521
default:
13522
ELINK_DEBUG_P1(sc, "Invalid line speed %d for UMAC\n",
13523
vars->line_speed);
13524
return ELINK_STATUS_ERROR;
13525
}
13526
vars->link_status |= LINK_STATUS_LINK_UP;
13527
13528
if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13529
elink_umac_enable(params, vars, 1);
13530
else
13531
elink_umac_enable(params, vars, 0);
13532
} else {
13533
/* Link speed >= 10000 requires XMAC enabled */
13534
if (params->feature_config_flags &
13535
ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) {
13536
ELINK_DEBUG_P1(sc, "Invalid line speed %d while XMAC is"
13537
" disabled!\n", params->req_line_speed[0]);
13538
return ELINK_STATUS_ERROR;
13539
}
13540
/* Check link speed */
13541
switch (vars->line_speed) {
13542
case ELINK_SPEED_10000:
13543
vars->link_status = ELINK_LINK_10GTFD;
13544
break;
13545
case ELINK_SPEED_20000:
13546
vars->link_status = ELINK_LINK_20GTFD;
13547
break;
13548
default:
13549
ELINK_DEBUG_P1(sc, "Invalid line speed %d for XMAC\n",
13550
vars->line_speed);
13551
return ELINK_STATUS_ERROR;
13552
}
13553
vars->link_status |= LINK_STATUS_LINK_UP;
13554
if (params->loopback_mode == ELINK_LOOPBACK_XMAC)
13555
elink_xmac_enable(params, vars, 1);
13556
else
13557
elink_xmac_enable(params, vars, 0);
13558
}
13559
return ELINK_STATUS_OK;
13560
}
13561
13562
static elink_status_t elink_init_emul(struct elink_params *params,
13563
struct elink_vars *vars)
13564
{
13565
struct bxe_softc *sc = params->sc;
13566
if (CHIP_IS_E3(sc)) {
13567
if (elink_init_e3_emul_mac(params, vars) !=
13568
ELINK_STATUS_OK)
13569
return ELINK_STATUS_ERROR;
13570
} else {
13571
if (params->feature_config_flags &
13572
ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) {
13573
vars->line_speed = ELINK_SPEED_1000;
13574
vars->link_status = (LINK_STATUS_LINK_UP |
13575
ELINK_LINK_1000XFD);
13576
if (params->loopback_mode ==
13577
ELINK_LOOPBACK_EMAC)
13578
elink_emac_enable(params, vars, 1);
13579
else
13580
elink_emac_enable(params, vars, 0);
13581
} else {
13582
vars->line_speed = ELINK_SPEED_10000;
13583
vars->link_status = (LINK_STATUS_LINK_UP |
13584
ELINK_LINK_10GTFD);
13585
if (params->loopback_mode ==
13586
ELINK_LOOPBACK_BMAC)
13587
elink_bmac_enable(params, vars, 1, 1);
13588
else
13589
elink_bmac_enable(params, vars, 0, 1);
13590
}
13591
}
13592
vars->link_up = 1;
13593
vars->duplex = DUPLEX_FULL;
13594
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13595
13596
if (CHIP_IS_E1x(sc))
13597
elink_pbf_update(params, vars->flow_ctrl,
13598
vars->line_speed);
13599
/* Disable drain */
13600
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13601
13602
/* update shared memory */
13603
elink_update_mng(params, vars->link_status);
13604
return ELINK_STATUS_OK;
13605
}
13606
#endif
13607
#ifdef ELINK_INCLUDE_FPGA
13608
static elink_status_t elink_init_fpga(struct elink_params *params,
13609
struct elink_vars *vars)
13610
{
13611
/* Enable on E1.5 FPGA */
13612
struct bxe_softc *sc = params->sc;
13613
vars->duplex = DUPLEX_FULL;
13614
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13615
if (!(CHIP_IS_E1(sc))) {
13616
vars->flow_ctrl = (ELINK_FLOW_CTRL_TX |
13617
ELINK_FLOW_CTRL_RX);
13618
vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
13619
LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
13620
}
13621
if (CHIP_IS_E3(sc)) {
13622
vars->line_speed = params->req_line_speed[0];
13623
switch (vars->line_speed) {
13624
case ELINK_SPEED_AUTO_NEG:
13625
vars->line_speed = ELINK_SPEED_2500;
13626
case ELINK_SPEED_2500:
13627
vars->link_status = ELINK_LINK_2500TFD;
13628
break;
13629
case ELINK_SPEED_1000:
13630
vars->link_status = ELINK_LINK_1000XFD;
13631
break;
13632
case ELINK_SPEED_100:
13633
vars->link_status = ELINK_LINK_100TXFD;
13634
break;
13635
case ELINK_SPEED_10:
13636
vars->link_status = ELINK_LINK_10TFD;
13637
break;
13638
default:
13639
ELINK_DEBUG_P1(sc, "Invalid link speed %d\n",
13640
params->req_line_speed[0]);
13641
return ELINK_STATUS_ERROR;
13642
}
13643
vars->link_status |= LINK_STATUS_LINK_UP;
13644
if (params->loopback_mode == ELINK_LOOPBACK_UMAC)
13645
elink_umac_enable(params, vars, 1);
13646
else
13647
elink_umac_enable(params, vars, 0);
13648
} else {
13649
vars->line_speed = ELINK_SPEED_10000;
13650
vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD);
13651
if (params->loopback_mode == ELINK_LOOPBACK_EMAC)
13652
elink_emac_enable(params, vars, 1);
13653
else
13654
elink_emac_enable(params, vars, 0);
13655
}
13656
vars->link_up = 1;
13657
13658
if (CHIP_IS_E1x(sc))
13659
elink_pbf_update(params, vars->flow_ctrl,
13660
vars->line_speed);
13661
/* Disable drain */
13662
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13663
13664
/* Update shared memory */
13665
elink_update_mng(params, vars->link_status);
13666
return ELINK_STATUS_OK;
13667
}
13668
#endif
13669
static void elink_init_bmac_loopback(struct elink_params *params,
13670
struct elink_vars *vars)
13671
{
13672
struct bxe_softc *sc = params->sc;
13673
vars->link_up = 1;
13674
vars->line_speed = ELINK_SPEED_10000;
13675
vars->duplex = DUPLEX_FULL;
13676
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13677
vars->mac_type = ELINK_MAC_TYPE_BMAC;
13678
13679
vars->phy_flags = PHY_XGXS_FLAG;
13680
13681
elink_xgxs_deassert(params);
13682
13683
/* Set bmac loopback */
13684
elink_bmac_enable(params, vars, 1, 1);
13685
13686
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13687
}
13688
13689
static void elink_init_emac_loopback(struct elink_params *params,
13690
struct elink_vars *vars)
13691
{
13692
struct bxe_softc *sc = params->sc;
13693
vars->link_up = 1;
13694
vars->line_speed = ELINK_SPEED_1000;
13695
vars->duplex = DUPLEX_FULL;
13696
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13697
vars->mac_type = ELINK_MAC_TYPE_EMAC;
13698
13699
vars->phy_flags = PHY_XGXS_FLAG;
13700
13701
elink_xgxs_deassert(params);
13702
/* Set bmac loopback */
13703
elink_emac_enable(params, vars, 1);
13704
elink_emac_program(params, vars);
13705
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13706
}
13707
13708
static void elink_init_xmac_loopback(struct elink_params *params,
13709
struct elink_vars *vars)
13710
{
13711
struct bxe_softc *sc = params->sc;
13712
vars->link_up = 1;
13713
if (!params->req_line_speed[0])
13714
vars->line_speed = ELINK_SPEED_10000;
13715
else
13716
vars->line_speed = params->req_line_speed[0];
13717
vars->duplex = DUPLEX_FULL;
13718
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13719
vars->mac_type = ELINK_MAC_TYPE_XMAC;
13720
vars->phy_flags = PHY_XGXS_FLAG;
13721
/* Set WC to loopback mode since link is required to provide clock
13722
* to the XMAC in 20G mode
13723
*/
13724
elink_set_aer_mmd(params, &params->phy[0]);
13725
elink_warpcore_reset_lane(sc, &params->phy[0], 0);
13726
params->phy[ELINK_INT_PHY].config_loopback(
13727
&params->phy[ELINK_INT_PHY],
13728
params);
13729
13730
elink_xmac_enable(params, vars, 1);
13731
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13732
}
13733
13734
static void elink_init_umac_loopback(struct elink_params *params,
13735
struct elink_vars *vars)
13736
{
13737
struct bxe_softc *sc = params->sc;
13738
vars->link_up = 1;
13739
vars->line_speed = ELINK_SPEED_1000;
13740
vars->duplex = DUPLEX_FULL;
13741
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13742
vars->mac_type = ELINK_MAC_TYPE_UMAC;
13743
vars->phy_flags = PHY_XGXS_FLAG;
13744
elink_umac_enable(params, vars, 1);
13745
13746
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13747
}
13748
13749
static void elink_init_xgxs_loopback(struct elink_params *params,
13750
struct elink_vars *vars)
13751
{
13752
struct bxe_softc *sc = params->sc;
13753
struct elink_phy *int_phy = &params->phy[ELINK_INT_PHY];
13754
vars->link_up = 1;
13755
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13756
vars->duplex = DUPLEX_FULL;
13757
if (params->req_line_speed[0] == ELINK_SPEED_1000)
13758
vars->line_speed = ELINK_SPEED_1000;
13759
else if ((params->req_line_speed[0] == ELINK_SPEED_20000) ||
13760
(int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE))
13761
vars->line_speed = ELINK_SPEED_20000;
13762
else
13763
vars->line_speed = ELINK_SPEED_10000;
13764
13765
if (!USES_WARPCORE(sc))
13766
elink_xgxs_deassert(params);
13767
elink_link_initialize(params, vars);
13768
13769
if (params->req_line_speed[0] == ELINK_SPEED_1000) {
13770
if (USES_WARPCORE(sc))
13771
elink_umac_enable(params, vars, 0);
13772
else {
13773
elink_emac_program(params, vars);
13774
elink_emac_enable(params, vars, 0);
13775
}
13776
} else {
13777
if (USES_WARPCORE(sc))
13778
elink_xmac_enable(params, vars, 0);
13779
else
13780
elink_bmac_enable(params, vars, 0, 1);
13781
}
13782
13783
if (params->loopback_mode == ELINK_LOOPBACK_XGXS) {
13784
/* Set 10G XGXS loopback */
13785
int_phy->config_loopback(int_phy, params);
13786
} else {
13787
/* Set external phy loopback */
13788
uint8_t phy_index;
13789
for (phy_index = ELINK_EXT_PHY1;
13790
phy_index < params->num_phys; phy_index++)
13791
if (params->phy[phy_index].config_loopback)
13792
params->phy[phy_index].config_loopback(
13793
&params->phy[phy_index],
13794
params);
13795
}
13796
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13797
13798
elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed);
13799
}
13800
13801
void elink_set_rx_filter(struct elink_params *params, uint8_t en)
13802
{
13803
struct bxe_softc *sc = params->sc;
13804
uint8_t val = en * 0x1F;
13805
13806
/* Open / close the gate between the NIG and the BRB */
13807
if (!CHIP_IS_E1x(sc))
13808
val |= en * 0x20;
13809
REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
13810
13811
if (!CHIP_IS_E1(sc)) {
13812
REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
13813
en*0x3);
13814
}
13815
13816
REG_WR(sc, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
13817
NIG_REG_LLH0_BRB1_NOT_MCP), en);
13818
}
13819
static elink_status_t elink_avoid_link_flap(struct elink_params *params,
13820
struct elink_vars *vars)
13821
{
13822
uint32_t phy_idx;
13823
uint32_t dont_clear_stat, lfa_sts;
13824
struct bxe_softc *sc = params->sc;
13825
13826
elink_set_mdio_emac_per_phy(sc, params);
13827
/* Sync the link parameters */
13828
elink_link_status_update(params, vars);
13829
13830
/*
13831
* The module verification was already done by previous link owner,
13832
* so this call is meant only to get warning message
13833
*/
13834
13835
for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) {
13836
struct elink_phy *phy = &params->phy[phy_idx];
13837
if (phy->phy_specific_func) {
13838
ELINK_DEBUG_P0(sc, "Calling PHY specific func\n");
13839
phy->phy_specific_func(phy, params, ELINK_PHY_INIT);
13840
}
13841
if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) ||
13842
(phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) ||
13843
(phy->media_type == ELINK_ETH_PHY_DA_TWINAX))
13844
elink_verify_sfp_module(phy, params);
13845
}
13846
lfa_sts = REG_RD(sc, params->lfa_base +
13847
offsetof(struct shmem_lfa,
13848
lfa_sts));
13849
13850
dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
13851
13852
/* Re-enable the NIG/MAC */
13853
if (CHIP_IS_E3(sc)) {
13854
if (!dont_clear_stat) {
13855
REG_WR(sc, GRCBASE_MISC +
13856
MISC_REGISTERS_RESET_REG_2_CLEAR,
13857
(MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13858
params->port));
13859
REG_WR(sc, GRCBASE_MISC +
13860
MISC_REGISTERS_RESET_REG_2_SET,
13861
(MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
13862
params->port));
13863
}
13864
if (vars->line_speed < ELINK_SPEED_10000)
13865
elink_umac_enable(params, vars, 0);
13866
else
13867
elink_xmac_enable(params, vars, 0);
13868
} else {
13869
if (vars->line_speed < ELINK_SPEED_10000)
13870
elink_emac_enable(params, vars, 0);
13871
else
13872
elink_bmac_enable(params, vars, 0, !dont_clear_stat);
13873
}
13874
13875
/* Increment LFA count */
13876
lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
13877
(((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
13878
LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
13879
<< LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
13880
/* Clear link flap reason */
13881
lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
13882
13883
REG_WR(sc, params->lfa_base +
13884
offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
13885
13886
/* Disable NIG DRAIN */
13887
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
13888
13889
/* Enable interrupts */
13890
elink_link_int_enable(params);
13891
return ELINK_STATUS_OK;
13892
}
13893
13894
static void elink_cannot_avoid_link_flap(struct elink_params *params,
13895
struct elink_vars *vars,
13896
int lfa_status)
13897
{
13898
uint32_t lfa_sts, cfg_idx, tmp_val;
13899
struct bxe_softc *sc = params->sc;
13900
13901
elink_link_reset(params, vars, 1);
13902
13903
if (!params->lfa_base)
13904
return;
13905
/* Store the new link parameters */
13906
REG_WR(sc, params->lfa_base +
13907
offsetof(struct shmem_lfa, req_duplex),
13908
params->req_duplex[0] | (params->req_duplex[1] << 16));
13909
13910
REG_WR(sc, params->lfa_base +
13911
offsetof(struct shmem_lfa, req_flow_ctrl),
13912
params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
13913
13914
REG_WR(sc, params->lfa_base +
13915
offsetof(struct shmem_lfa, req_line_speed),
13916
params->req_line_speed[0] | (params->req_line_speed[1] << 16));
13917
13918
for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
13919
REG_WR(sc, params->lfa_base +
13920
offsetof(struct shmem_lfa,
13921
speed_cap_mask[cfg_idx]),
13922
params->speed_cap_mask[cfg_idx]);
13923
}
13924
13925
tmp_val = REG_RD(sc, params->lfa_base +
13926
offsetof(struct shmem_lfa, additional_config));
13927
tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
13928
tmp_val |= params->req_fc_auto_adv;
13929
13930
REG_WR(sc, params->lfa_base +
13931
offsetof(struct shmem_lfa, additional_config), tmp_val);
13932
13933
lfa_sts = REG_RD(sc, params->lfa_base +
13934
offsetof(struct shmem_lfa, lfa_sts));
13935
13936
/* Clear the "Don't Clear Statistics" bit, and set reason */
13937
lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
13938
13939
/* Set link flap reason */
13940
lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
13941
lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
13942
LFA_LINK_FLAP_REASON_OFFSET);
13943
13944
/* Increment link flap counter */
13945
lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
13946
(((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
13947
LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
13948
<< LINK_FLAP_COUNT_OFFSET));
13949
REG_WR(sc, params->lfa_base +
13950
offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
13951
/* Proceed with regular link initialization */
13952
}
13953
13954
elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars)
13955
{
13956
int lfa_status;
13957
struct bxe_softc *sc = params->sc;
13958
ELINK_DEBUG_P0(sc, "Phy Initialization started\n");
13959
ELINK_DEBUG_P2(sc, "(1) req_speed %d, req_flowctrl %d\n",
13960
params->req_line_speed[0], params->req_flow_ctrl[0]);
13961
ELINK_DEBUG_P2(sc, "(2) req_speed %d, req_flowctrl %d\n",
13962
params->req_line_speed[1], params->req_flow_ctrl[1]);
13963
ELINK_DEBUG_P1(sc, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
13964
vars->link_status = 0;
13965
vars->phy_link_up = 0;
13966
vars->link_up = 0;
13967
vars->line_speed = 0;
13968
vars->duplex = DUPLEX_FULL;
13969
vars->flow_ctrl = ELINK_FLOW_CTRL_NONE;
13970
vars->mac_type = ELINK_MAC_TYPE_NONE;
13971
vars->phy_flags = 0;
13972
vars->check_kr2_recovery_cnt = 0;
13973
params->link_flags = ELINK_PHY_INITIALIZED;
13974
/* Driver opens NIG-BRB filters */
13975
elink_set_rx_filter(params, 1);
13976
elink_chng_link_count(params, 1);
13977
/* Check if link flap can be avoided */
13978
lfa_status = elink_check_lfa(params);
13979
13980
ELINK_DEBUG_P3(sc, " params : port = %x, loopback_mode = %x req_duplex = %x\n",
13981
params->port, params->loopback_mode, params->req_duplex[0]);
13982
ELINK_DEBUG_P3(sc, " params : switch_cfg = %x, lane_config = %x req_duplex[1] = %x\n",
13983
params->switch_cfg, params->lane_config, params->req_duplex[1]);
13984
ELINK_DEBUG_P3(sc, " params : chip_id = %x, feature_config_flags = %x, num_phys = %x\n",
13985
params->chip_id, params->feature_config_flags, params->num_phys);
13986
ELINK_DEBUG_P3(sc, " params : rsrv = %x, eee_mode = %x, hw_led_mode = x\n",
13987
params->rsrv, params->eee_mode, params->hw_led_mode);
13988
ELINK_DEBUG_P3(sc, " params : multi_phy = %x, req_fc_auto_adv = %x, link_flags = %x\n",
13989
params->multi_phy_config, params->req_fc_auto_adv, params->link_flags);
13990
ELINK_DEBUG_P2(sc, " params : lfa_base = %x, link_attr = %x\n",
13991
params->lfa_base, params->link_attr_sync);
13992
if (lfa_status == 0) {
13993
ELINK_DEBUG_P0(sc, "Link Flap Avoidance in progress\n");
13994
return elink_avoid_link_flap(params, vars);
13995
}
13996
13997
ELINK_DEBUG_P1(sc, "Cannot avoid link flap lfa_sta=0x%x\n",
13998
lfa_status);
13999
elink_cannot_avoid_link_flap(params, vars, lfa_status);
14000
14001
/* Disable attentions */
14002
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
14003
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14004
ELINK_NIG_MASK_XGXS0_LINK10G |
14005
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14006
ELINK_NIG_MASK_MI_INT));
14007
#ifdef ELINK_INCLUDE_EMUL
14008
if (!(params->feature_config_flags &
14009
ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC))
14010
#endif
14011
14012
elink_emac_init(params, vars);
14013
14014
if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED)
14015
vars->link_status |= LINK_STATUS_PFC_ENABLED;
14016
14017
if ((params->num_phys == 0) &&
14018
!CHIP_REV_IS_SLOW(sc)) {
14019
ELINK_DEBUG_P0(sc, "No phy found for initialization !!\n");
14020
return ELINK_STATUS_ERROR;
14021
}
14022
set_phy_vars(params, vars);
14023
14024
ELINK_DEBUG_P1(sc, "Num of phys on board: %d\n", params->num_phys);
14025
#ifdef ELINK_INCLUDE_FPGA
14026
if (CHIP_REV_IS_FPGA(sc)) {
14027
return elink_init_fpga(params, vars);
14028
} else
14029
#endif
14030
#ifdef ELINK_INCLUDE_EMUL
14031
if (CHIP_REV_IS_EMUL(sc)) {
14032
return elink_init_emul(params, vars);
14033
} else
14034
#endif
14035
switch (params->loopback_mode) {
14036
case ELINK_LOOPBACK_BMAC:
14037
elink_init_bmac_loopback(params, vars);
14038
break;
14039
case ELINK_LOOPBACK_EMAC:
14040
elink_init_emac_loopback(params, vars);
14041
break;
14042
case ELINK_LOOPBACK_XMAC:
14043
elink_init_xmac_loopback(params, vars);
14044
break;
14045
case ELINK_LOOPBACK_UMAC:
14046
elink_init_umac_loopback(params, vars);
14047
break;
14048
case ELINK_LOOPBACK_XGXS:
14049
case ELINK_LOOPBACK_EXT_PHY:
14050
elink_init_xgxs_loopback(params, vars);
14051
break;
14052
default:
14053
if (!CHIP_IS_E3(sc)) {
14054
if (params->switch_cfg == ELINK_SWITCH_CFG_10G)
14055
elink_xgxs_deassert(params);
14056
else
14057
elink_serdes_deassert(sc, params->port);
14058
}
14059
elink_link_initialize(params, vars);
14060
DELAY(1000 * 30);
14061
elink_link_int_enable(params);
14062
break;
14063
}
14064
elink_update_mng(params, vars->link_status);
14065
14066
elink_update_mng_eee(params, vars->eee_status);
14067
return ELINK_STATUS_OK;
14068
}
14069
14070
elink_status_t elink_link_reset(struct elink_params *params, struct elink_vars *vars,
14071
uint8_t reset_ext_phy)
14072
{
14073
struct bxe_softc *sc = params->sc;
14074
uint8_t phy_index, port = params->port, clear_latch_ind = 0;
14075
ELINK_DEBUG_P1(sc, "Resetting the link of port %d\n", port);
14076
/* Disable attentions */
14077
vars->link_status = 0;
14078
elink_chng_link_count(params, 1);
14079
elink_update_mng(params, vars->link_status);
14080
vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
14081
SHMEM_EEE_ACTIVE_BIT);
14082
elink_update_mng_eee(params, vars->eee_status);
14083
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
14084
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14085
ELINK_NIG_MASK_XGXS0_LINK10G |
14086
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14087
ELINK_NIG_MASK_MI_INT));
14088
14089
/* Activate nig drain */
14090
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
14091
14092
/* Disable nig egress interface */
14093
if (!CHIP_IS_E3(sc)) {
14094
REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0);
14095
REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
14096
}
14097
14098
#ifdef ELINK_INCLUDE_EMUL
14099
/* Stop BigMac rx */
14100
if (!(params->feature_config_flags &
14101
ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC))
14102
#endif
14103
if (!CHIP_IS_E3(sc))
14104
elink_set_bmac_rx(sc, params->chip_id, port, 0);
14105
#ifdef ELINK_INCLUDE_EMUL
14106
/* Stop XMAC/UMAC rx */
14107
if (!(params->feature_config_flags &
14108
ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC))
14109
#endif
14110
if (CHIP_IS_E3(sc) &&
14111
!CHIP_REV_IS_FPGA(sc)) {
14112
elink_set_xmac_rxtx(params, 0);
14113
elink_set_umac_rxtx(params, 0);
14114
}
14115
/* Disable emac */
14116
if (!CHIP_IS_E3(sc))
14117
REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0);
14118
14119
DELAY(1000 * 10);
14120
/* The PHY reset is controlled by GPIO 1
14121
* Hold it as vars low
14122
*/
14123
/* Clear link led */
14124
elink_set_mdio_emac_per_phy(sc, params);
14125
elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0);
14126
14127
if (reset_ext_phy && (!CHIP_REV_IS_SLOW(sc))) {
14128
for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys;
14129
phy_index++) {
14130
if (params->phy[phy_index].link_reset) {
14131
elink_set_aer_mmd(params,
14132
&params->phy[phy_index]);
14133
params->phy[phy_index].link_reset(
14134
&params->phy[phy_index],
14135
params);
14136
}
14137
if (params->phy[phy_index].flags &
14138
ELINK_FLAGS_REARM_LATCH_SIGNAL)
14139
clear_latch_ind = 1;
14140
}
14141
}
14142
14143
if (clear_latch_ind) {
14144
/* Clear latching indication */
14145
elink_rearm_latch_signal(sc, port, 0);
14146
elink_bits_dis(sc, NIG_REG_LATCH_BC_0 + port*4,
14147
1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT);
14148
}
14149
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14150
if (!CHIP_REV_IS_SLOW(sc))
14151
#endif
14152
if (params->phy[ELINK_INT_PHY].link_reset)
14153
params->phy[ELINK_INT_PHY].link_reset(
14154
&params->phy[ELINK_INT_PHY], params);
14155
14156
/* Disable nig ingress interface */
14157
if (!CHIP_IS_E3(sc)) {
14158
/* Reset BigMac */
14159
REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
14160
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
14161
REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0);
14162
REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0);
14163
} else {
14164
uint32_t xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
14165
elink_set_xumac_nig(params, 0, 0);
14166
if (REG_RD(sc, MISC_REG_RESET_REG_2) &
14167
MISC_REGISTERS_RESET_REG_2_XMAC)
14168
REG_WR(sc, xmac_base + XMAC_REG_CTRL,
14169
XMAC_CTRL_REG_SOFT_RESET);
14170
}
14171
vars->link_up = 0;
14172
vars->phy_flags = 0;
14173
return ELINK_STATUS_OK;
14174
}
14175
elink_status_t elink_lfa_reset(struct elink_params *params,
14176
struct elink_vars *vars)
14177
{
14178
struct bxe_softc *sc = params->sc;
14179
vars->link_up = 0;
14180
vars->phy_flags = 0;
14181
params->link_flags &= ~ELINK_PHY_INITIALIZED;
14182
if (!params->lfa_base)
14183
return elink_link_reset(params, vars, 1);
14184
/*
14185
* Activate NIG drain so that during this time the device won't send
14186
* anything while it is unable to response.
14187
*/
14188
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
14189
14190
/*
14191
* Close gracefully the gate from BMAC to NIG such that no half packets
14192
* are passed.
14193
*/
14194
if (!CHIP_IS_E3(sc))
14195
elink_set_bmac_rx(sc, params->chip_id, params->port, 0);
14196
14197
if (CHIP_IS_E3(sc)) {
14198
elink_set_xmac_rxtx(params, 0);
14199
elink_set_umac_rxtx(params, 0);
14200
}
14201
/* Wait 10ms for the pipe to clean up*/
14202
DELAY(1000 * 10);
14203
14204
/* Clean the NIG-BRB using the network filters in a way that will
14205
* not cut a packet in the middle.
14206
*/
14207
elink_set_rx_filter(params, 0);
14208
14209
/*
14210
* Re-open the gate between the BMAC and the NIG, after verifying the
14211
* gate to the BRB is closed, otherwise packets may arrive to the
14212
* firmware before driver had initialized it. The target is to achieve
14213
* minimum management protocol down time.
14214
*/
14215
if (!CHIP_IS_E3(sc))
14216
elink_set_bmac_rx(sc, params->chip_id, params->port, 1);
14217
14218
if (CHIP_IS_E3(sc)) {
14219
elink_set_xmac_rxtx(params, 1);
14220
elink_set_umac_rxtx(params, 1);
14221
}
14222
/* Disable NIG drain */
14223
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
14224
return ELINK_STATUS_OK;
14225
}
14226
14227
/****************************************************************************/
14228
/* Common function */
14229
/****************************************************************************/
14230
static elink_status_t elink_8073_common_init_phy(struct bxe_softc *sc,
14231
uint32_t shmem_base_path[],
14232
uint32_t shmem2_base_path[], uint8_t phy_index,
14233
uint32_t chip_id)
14234
{
14235
struct elink_phy phy[PORT_MAX];
14236
struct elink_phy *phy_blk[PORT_MAX];
14237
uint16_t val;
14238
int8_t port = 0;
14239
int8_t port_of_path = 0;
14240
uint32_t swap_val, swap_override;
14241
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
14242
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
14243
port ^= (swap_val && swap_override);
14244
elink_ext_phy_hw_reset(sc, port);
14245
/* PART1 - Reset both phys */
14246
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14247
uint32_t shmem_base, shmem2_base;
14248
/* In E2, same phy is using for port0 of the two paths */
14249
if (CHIP_IS_E1x(sc)) {
14250
shmem_base = shmem_base_path[0];
14251
shmem2_base = shmem2_base_path[0];
14252
port_of_path = port;
14253
} else {
14254
shmem_base = shmem_base_path[port];
14255
shmem2_base = shmem2_base_path[port];
14256
port_of_path = 0;
14257
}
14258
14259
/* Extract the ext phy address for the port */
14260
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14261
port_of_path, &phy[port]) !=
14262
ELINK_STATUS_OK) {
14263
ELINK_DEBUG_P0(sc, "populate_phy failed\n");
14264
return ELINK_STATUS_ERROR;
14265
}
14266
/* Disable attentions */
14267
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
14268
port_of_path*4,
14269
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14270
ELINK_NIG_MASK_XGXS0_LINK10G |
14271
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14272
ELINK_NIG_MASK_MI_INT));
14273
14274
/* Need to take the phy out of low power mode in order
14275
* to write to access its registers
14276
*/
14277
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
14278
MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14279
port);
14280
14281
/* Reset the phy */
14282
elink_cl45_write(sc, &phy[port],
14283
MDIO_PMA_DEVAD,
14284
MDIO_PMA_REG_CTRL,
14285
1<<15);
14286
}
14287
14288
/* Add delay of 150ms after reset */
14289
DELAY(1000 * 150);
14290
14291
if (phy[PORT_0].addr & 0x1) {
14292
phy_blk[PORT_0] = &(phy[PORT_1]);
14293
phy_blk[PORT_1] = &(phy[PORT_0]);
14294
} else {
14295
phy_blk[PORT_0] = &(phy[PORT_0]);
14296
phy_blk[PORT_1] = &(phy[PORT_1]);
14297
}
14298
14299
/* PART2 - Download firmware to both phys */
14300
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14301
if (CHIP_IS_E1x(sc))
14302
port_of_path = port;
14303
else
14304
port_of_path = 0;
14305
14306
ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n",
14307
phy_blk[port]->addr);
14308
if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
14309
port_of_path))
14310
return ELINK_STATUS_ERROR;
14311
14312
/* Only set bit 10 = 1 (Tx power down) */
14313
elink_cl45_read(sc, phy_blk[port],
14314
MDIO_PMA_DEVAD,
14315
MDIO_PMA_REG_TX_POWER_DOWN, &val);
14316
14317
/* Phase1 of TX_POWER_DOWN reset */
14318
elink_cl45_write(sc, phy_blk[port],
14319
MDIO_PMA_DEVAD,
14320
MDIO_PMA_REG_TX_POWER_DOWN,
14321
(val | 1<<10));
14322
}
14323
14324
/* Toggle Transmitter: Power down and then up with 600ms delay
14325
* between
14326
*/
14327
DELAY(1000 * 600);
14328
14329
/* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
14330
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14331
/* Phase2 of POWER_DOWN_RESET */
14332
/* Release bit 10 (Release Tx power down) */
14333
elink_cl45_read(sc, phy_blk[port],
14334
MDIO_PMA_DEVAD,
14335
MDIO_PMA_REG_TX_POWER_DOWN, &val);
14336
14337
elink_cl45_write(sc, phy_blk[port],
14338
MDIO_PMA_DEVAD,
14339
MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
14340
DELAY(1000 * 15);
14341
14342
/* Read modify write the SPI-ROM version select register */
14343
elink_cl45_read(sc, phy_blk[port],
14344
MDIO_PMA_DEVAD,
14345
MDIO_PMA_REG_EDC_FFE_MAIN, &val);
14346
elink_cl45_write(sc, phy_blk[port],
14347
MDIO_PMA_DEVAD,
14348
MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
14349
14350
/* set GPIO2 back to LOW */
14351
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2,
14352
MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
14353
}
14354
return ELINK_STATUS_OK;
14355
}
14356
static elink_status_t elink_8726_common_init_phy(struct bxe_softc *sc,
14357
uint32_t shmem_base_path[],
14358
uint32_t shmem2_base_path[], uint8_t phy_index,
14359
uint32_t chip_id)
14360
{
14361
uint32_t val;
14362
int8_t port;
14363
struct elink_phy phy;
14364
/* Use port1 because of the static port-swap */
14365
/* Enable the module detection interrupt */
14366
val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
14367
val |= ((1<<MISC_REGISTERS_GPIO_3)|
14368
(1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
14369
REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
14370
14371
elink_ext_phy_hw_reset(sc, 0);
14372
DELAY(1000 * 5);
14373
for (port = 0; port < PORT_MAX; port++) {
14374
uint32_t shmem_base, shmem2_base;
14375
14376
/* In E2, same phy is using for port0 of the two paths */
14377
if (CHIP_IS_E1x(sc)) {
14378
shmem_base = shmem_base_path[0];
14379
shmem2_base = shmem2_base_path[0];
14380
} else {
14381
shmem_base = shmem_base_path[port];
14382
shmem2_base = shmem2_base_path[port];
14383
}
14384
/* Extract the ext phy address for the port */
14385
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14386
port, &phy) !=
14387
ELINK_STATUS_OK) {
14388
ELINK_DEBUG_P0(sc, "populate phy failed\n");
14389
return ELINK_STATUS_ERROR;
14390
}
14391
14392
/* Reset phy*/
14393
elink_cl45_write(sc, &phy,
14394
MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
14395
14396
14397
/* Set fault module detected LED on */
14398
elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_0,
14399
MISC_REGISTERS_GPIO_HIGH,
14400
port);
14401
}
14402
14403
return ELINK_STATUS_OK;
14404
}
14405
static void elink_get_ext_phy_reset_gpio(struct bxe_softc *sc, uint32_t shmem_base,
14406
uint8_t *io_gpio, uint8_t *io_port)
14407
{
14408
14409
uint32_t phy_gpio_reset = REG_RD(sc, shmem_base +
14410
offsetof(struct shmem_region,
14411
dev_info.port_hw_config[PORT_0].default_cfg));
14412
switch (phy_gpio_reset) {
14413
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
14414
*io_gpio = 0;
14415
*io_port = 0;
14416
break;
14417
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
14418
*io_gpio = 1;
14419
*io_port = 0;
14420
break;
14421
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
14422
*io_gpio = 2;
14423
*io_port = 0;
14424
break;
14425
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
14426
*io_gpio = 3;
14427
*io_port = 0;
14428
break;
14429
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
14430
*io_gpio = 0;
14431
*io_port = 1;
14432
break;
14433
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
14434
*io_gpio = 1;
14435
*io_port = 1;
14436
break;
14437
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
14438
*io_gpio = 2;
14439
*io_port = 1;
14440
break;
14441
case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
14442
*io_gpio = 3;
14443
*io_port = 1;
14444
break;
14445
default:
14446
/* Don't override the io_gpio and io_port */
14447
break;
14448
}
14449
}
14450
14451
static elink_status_t elink_8727_common_init_phy(struct bxe_softc *sc,
14452
uint32_t shmem_base_path[],
14453
uint32_t shmem2_base_path[], uint8_t phy_index,
14454
uint32_t chip_id)
14455
{
14456
int8_t port, reset_gpio;
14457
uint32_t swap_val, swap_override;
14458
struct elink_phy phy[PORT_MAX];
14459
struct elink_phy *phy_blk[PORT_MAX];
14460
int8_t port_of_path;
14461
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
14462
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
14463
14464
reset_gpio = MISC_REGISTERS_GPIO_1;
14465
port = 1;
14466
14467
/* Retrieve the reset gpio/port which control the reset.
14468
* Default is GPIO1, PORT1
14469
*/
14470
elink_get_ext_phy_reset_gpio(sc, shmem_base_path[0],
14471
(uint8_t *)&reset_gpio, (uint8_t *)&port);
14472
14473
/* Calculate the port based on port swap */
14474
port ^= (swap_val && swap_override);
14475
14476
/* Initiate PHY reset*/
14477
elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
14478
port);
14479
DELAY(1000 * 1);
14480
elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
14481
port);
14482
14483
DELAY(1000 * 5);
14484
14485
/* PART1 - Reset both phys */
14486
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14487
uint32_t shmem_base, shmem2_base;
14488
14489
/* In E2, same phy is using for port0 of the two paths */
14490
if (CHIP_IS_E1x(sc)) {
14491
shmem_base = shmem_base_path[0];
14492
shmem2_base = shmem2_base_path[0];
14493
port_of_path = port;
14494
} else {
14495
shmem_base = shmem_base_path[port];
14496
shmem2_base = shmem2_base_path[port];
14497
port_of_path = 0;
14498
}
14499
14500
/* Extract the ext phy address for the port */
14501
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
14502
port_of_path, &phy[port]) !=
14503
ELINK_STATUS_OK) {
14504
ELINK_DEBUG_P0(sc, "populate phy failed\n");
14505
return ELINK_STATUS_ERROR;
14506
}
14507
/* disable attentions */
14508
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 +
14509
port_of_path*4,
14510
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
14511
ELINK_NIG_MASK_XGXS0_LINK10G |
14512
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
14513
ELINK_NIG_MASK_MI_INT));
14514
14515
14516
/* Reset the phy */
14517
elink_cl45_write(sc, &phy[port],
14518
MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
14519
}
14520
14521
/* Add delay of 150ms after reset */
14522
DELAY(1000 * 150);
14523
if (phy[PORT_0].addr & 0x1) {
14524
phy_blk[PORT_0] = &(phy[PORT_1]);
14525
phy_blk[PORT_1] = &(phy[PORT_0]);
14526
} else {
14527
phy_blk[PORT_0] = &(phy[PORT_0]);
14528
phy_blk[PORT_1] = &(phy[PORT_1]);
14529
}
14530
/* PART2 - Download firmware to both phys */
14531
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
14532
if (CHIP_IS_E1x(sc))
14533
port_of_path = port;
14534
else
14535
port_of_path = 0;
14536
ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n",
14537
phy_blk[port]->addr);
14538
if (elink_8073_8727_external_rom_boot(sc, phy_blk[port],
14539
port_of_path))
14540
return ELINK_STATUS_ERROR;
14541
/* Disable PHY transmitter output */
14542
elink_cl45_write(sc, phy_blk[port],
14543
MDIO_PMA_DEVAD,
14544
MDIO_PMA_REG_TX_DISABLE, 1);
14545
14546
}
14547
return ELINK_STATUS_OK;
14548
}
14549
14550
static elink_status_t elink_84833_common_init_phy(struct bxe_softc *sc,
14551
uint32_t shmem_base_path[],
14552
uint32_t shmem2_base_path[],
14553
uint8_t phy_index,
14554
uint32_t chip_id)
14555
{
14556
uint8_t reset_gpios;
14557
reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, chip_id);
14558
elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
14559
DELAY(10);
14560
elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
14561
ELINK_DEBUG_P1(sc, "84833 reset pulse on pin values 0x%x\n",
14562
reset_gpios);
14563
return ELINK_STATUS_OK;
14564
}
14565
static elink_status_t elink_ext_phy_common_init(struct bxe_softc *sc, uint32_t shmem_base_path[],
14566
uint32_t shmem2_base_path[], uint8_t phy_index,
14567
uint32_t ext_phy_type, uint32_t chip_id)
14568
{
14569
elink_status_t rc = ELINK_STATUS_OK;
14570
14571
switch (ext_phy_type) {
14572
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
14573
rc = elink_8073_common_init_phy(sc, shmem_base_path,
14574
shmem2_base_path,
14575
phy_index, chip_id);
14576
break;
14577
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
14578
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
14579
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
14580
rc = elink_8727_common_init_phy(sc, shmem_base_path,
14581
shmem2_base_path,
14582
phy_index, chip_id);
14583
break;
14584
14585
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
14586
/* GPIO1 affects both ports, so there's need to pull
14587
* it for single port alone
14588
*/
14589
rc = elink_8726_common_init_phy(sc, shmem_base_path,
14590
shmem2_base_path,
14591
phy_index, chip_id);
14592
break;
14593
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
14594
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
14595
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
14596
/* GPIO3's are linked, and so both need to be toggled
14597
* to obtain required 2us pulse.
14598
*/
14599
rc = elink_84833_common_init_phy(sc, shmem_base_path,
14600
shmem2_base_path,
14601
phy_index, chip_id);
14602
break;
14603
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
14604
rc = ELINK_STATUS_ERROR;
14605
break;
14606
default:
14607
ELINK_DEBUG_P1(sc,
14608
"ext_phy 0x%x common init not required\n",
14609
ext_phy_type);
14610
break;
14611
}
14612
14613
if (rc != ELINK_STATUS_OK)
14614
elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, 0); // "Warning: PHY was not initialized,"
14615
// " Port %d\n",
14616
14617
return rc;
14618
}
14619
14620
elink_status_t elink_common_init_phy(struct bxe_softc *sc, uint32_t shmem_base_path[],
14621
uint32_t shmem2_base_path[], uint32_t chip_id,
14622
uint8_t one_port_enabled)
14623
{
14624
elink_status_t rc = ELINK_STATUS_OK;
14625
uint32_t phy_ver, val;
14626
uint8_t phy_index = 0;
14627
uint32_t ext_phy_type, ext_phy_config;
14628
#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA)
14629
if (CHIP_REV_IS_EMUL(sc) || CHIP_REV_IS_FPGA(sc))
14630
return ELINK_STATUS_OK;
14631
#endif
14632
14633
elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC0);
14634
elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC1);
14635
ELINK_DEBUG_P0(sc, "Begin common phy init\n");
14636
if (CHIP_IS_E3(sc)) {
14637
/* Enable EPIO */
14638
val = REG_RD(sc, MISC_REG_GEN_PURP_HWG);
14639
REG_WR(sc, MISC_REG_GEN_PURP_HWG, val | 1);
14640
}
14641
/* Check if common init was already done */
14642
phy_ver = REG_RD(sc, shmem_base_path[0] +
14643
offsetof(struct shmem_region,
14644
port_mb[PORT_0].ext_phy_fw_version));
14645
if (phy_ver) {
14646
ELINK_DEBUG_P1(sc, "Not doing common init; phy ver is 0x%x\n",
14647
phy_ver);
14648
return ELINK_STATUS_OK;
14649
}
14650
14651
/* Read the ext_phy_type for arbitrary port(0) */
14652
for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
14653
phy_index++) {
14654
ext_phy_config = elink_get_ext_phy_config(sc,
14655
shmem_base_path[0],
14656
phy_index, 0);
14657
ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config);
14658
rc |= elink_ext_phy_common_init(sc, shmem_base_path,
14659
shmem2_base_path,
14660
phy_index, ext_phy_type,
14661
chip_id);
14662
}
14663
return rc;
14664
}
14665
14666
static void elink_check_over_curr(struct elink_params *params,
14667
struct elink_vars *vars)
14668
{
14669
struct bxe_softc *sc = params->sc;
14670
uint32_t cfg_pin;
14671
uint8_t port = params->port;
14672
uint32_t pin_val;
14673
14674
cfg_pin = (REG_RD(sc, params->shmem_base +
14675
offsetof(struct shmem_region,
14676
dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
14677
PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
14678
PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
14679
14680
/* Ignore check if no external input PIN available */
14681
if (elink_get_cfg_pin(sc, cfg_pin, &pin_val) != ELINK_STATUS_OK)
14682
return;
14683
14684
if (!pin_val) {
14685
if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
14686
elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, params->port); //"Error: Power fault on Port %d has"
14687
// " been detected and the power to "
14688
// "that SFP+ module has been removed"
14689
// " to prevent failure of the card."
14690
// " Please remove the SFP+ module and"
14691
// " restart the system to clear this"
14692
// " error.\n",
14693
vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
14694
elink_warpcore_power_module(params, 0);
14695
}
14696
} else
14697
vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
14698
}
14699
14700
/* Returns 0 if no change occurred since last check; 1 otherwise. */
14701
static uint8_t elink_analyze_link_error(struct elink_params *params,
14702
struct elink_vars *vars, uint32_t status,
14703
uint32_t phy_flag, uint32_t link_flag, uint8_t notify)
14704
{
14705
struct bxe_softc *sc = params->sc;
14706
/* Compare new value with previous value */
14707
uint8_t led_mode;
14708
uint32_t old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
14709
14710
if ((status ^ old_status) == 0)
14711
return 0;
14712
14713
/* If values differ */
14714
switch (phy_flag) {
14715
case PHY_HALF_OPEN_CONN_FLAG:
14716
ELINK_DEBUG_P0(sc, "Analyze Remote Fault\n");
14717
break;
14718
case PHY_SFP_TX_FAULT_FLAG:
14719
ELINK_DEBUG_P0(sc, "Analyze TX Fault\n");
14720
break;
14721
default:
14722
ELINK_DEBUG_P0(sc, "Analyze UNKNOWN\n");
14723
}
14724
ELINK_DEBUG_P3(sc, "Link changed:[%x %x]->%x\n", vars->link_up,
14725
old_status, status);
14726
14727
/* Do not touch the link in case physical link down */
14728
if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
14729
return 1;
14730
14731
/* a. Update shmem->link_status accordingly
14732
* b. Update elink_vars->link_up
14733
*/
14734
if (status) {
14735
vars->link_status &= ~LINK_STATUS_LINK_UP;
14736
vars->link_status |= link_flag;
14737
vars->link_up = 0;
14738
vars->phy_flags |= phy_flag;
14739
14740
/* activate nig drain */
14741
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
14742
/* Set LED mode to off since the PHY doesn't know about these
14743
* errors
14744
*/
14745
led_mode = ELINK_LED_MODE_OFF;
14746
} else {
14747
vars->link_status |= LINK_STATUS_LINK_UP;
14748
vars->link_status &= ~link_flag;
14749
vars->link_up = 1;
14750
vars->phy_flags &= ~phy_flag;
14751
led_mode = ELINK_LED_MODE_OPER;
14752
14753
/* Clear nig drain */
14754
REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
14755
}
14756
elink_sync_link(params, vars);
14757
/* Update the LED according to the link state */
14758
elink_set_led(params, vars, led_mode, ELINK_SPEED_10000);
14759
14760
/* Update link status in the shared memory */
14761
elink_update_mng(params, vars->link_status);
14762
14763
/* C. Trigger General Attention */
14764
vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT;
14765
if (notify)
14766
elink_cb_notify_link_changed(sc);
14767
14768
return 1;
14769
}
14770
14771
/******************************************************************************
14772
* Description:
14773
* This function checks for half opened connection change indication.
14774
* When such change occurs, it calls the elink_analyze_link_error
14775
* to check if Remote Fault is set or cleared. Reception of remote fault
14776
* status message in the MAC indicates that the peer's MAC has detected
14777
* a fault, for example, due to break in the TX side of fiber.
14778
*
14779
******************************************************************************/
14780
static
14781
elink_status_t elink_check_half_open_conn(struct elink_params *params,
14782
struct elink_vars *vars,
14783
uint8_t notify)
14784
{
14785
struct bxe_softc *sc = params->sc;
14786
uint32_t lss_status = 0;
14787
uint32_t mac_base;
14788
/* In case link status is physically up @ 10G do */
14789
if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
14790
(REG_RD(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
14791
return ELINK_STATUS_OK;
14792
14793
if (CHIP_IS_E3(sc) &&
14794
(REG_RD(sc, MISC_REG_RESET_REG_2) &
14795
(MISC_REGISTERS_RESET_REG_2_XMAC))) {
14796
/* Check E3 XMAC */
14797
/* Note that link speed cannot be queried here, since it may be
14798
* zero while link is down. In case UMAC is active, LSS will
14799
* simply not be set
14800
*/
14801
mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
14802
14803
/* Clear stick bits (Requires rising edge) */
14804
REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
14805
REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
14806
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
14807
XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
14808
if (REG_RD(sc, mac_base + XMAC_REG_RX_LSS_STATUS))
14809
lss_status = 1;
14810
14811
elink_analyze_link_error(params, vars, lss_status,
14812
PHY_HALF_OPEN_CONN_FLAG,
14813
LINK_STATUS_NONE, notify);
14814
} else if (REG_RD(sc, MISC_REG_RESET_REG_2) &
14815
(MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
14816
/* Check E1X / E2 BMAC */
14817
uint32_t lss_status_reg;
14818
uint32_t wb_data[2];
14819
mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
14820
NIG_REG_INGRESS_BMAC0_MEM;
14821
/* Read BIGMAC_REGISTER_RX_LSS_STATUS */
14822
if (CHIP_IS_E2(sc))
14823
lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
14824
else
14825
lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
14826
14827
REG_RD_DMAE(sc, mac_base + lss_status_reg, wb_data, 2);
14828
lss_status = (wb_data[0] > 0);
14829
14830
elink_analyze_link_error(params, vars, lss_status,
14831
PHY_HALF_OPEN_CONN_FLAG,
14832
LINK_STATUS_NONE, notify);
14833
}
14834
return ELINK_STATUS_OK;
14835
}
14836
static void elink_sfp_tx_fault_detection(struct elink_phy *phy,
14837
struct elink_params *params,
14838
struct elink_vars *vars)
14839
{
14840
struct bxe_softc *sc = params->sc;
14841
uint32_t cfg_pin, value = 0;
14842
uint8_t led_change, port = params->port;
14843
14844
/* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
14845
cfg_pin = (REG_RD(sc, params->shmem_base + offsetof(struct shmem_region,
14846
dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
14847
PORT_HW_CFG_E3_TX_FAULT_MASK) >>
14848
PORT_HW_CFG_E3_TX_FAULT_SHIFT;
14849
14850
if (elink_get_cfg_pin(sc, cfg_pin, &value)) {
14851
ELINK_DEBUG_P1(sc, "Failed to read pin 0x%02x\n", cfg_pin);
14852
return;
14853
}
14854
14855
led_change = elink_analyze_link_error(params, vars, value,
14856
PHY_SFP_TX_FAULT_FLAG,
14857
LINK_STATUS_SFP_TX_FAULT, 1);
14858
14859
if (led_change) {
14860
/* Change TX_Fault led, set link status for further syncs */
14861
uint8_t led_mode;
14862
14863
if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
14864
led_mode = MISC_REGISTERS_GPIO_HIGH;
14865
vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
14866
} else {
14867
led_mode = MISC_REGISTERS_GPIO_LOW;
14868
vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
14869
}
14870
14871
/* If module is unapproved, led should be on regardless */
14872
if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) {
14873
ELINK_DEBUG_P1(sc, "Change TX_Fault LED: ->%x\n",
14874
led_mode);
14875
elink_set_e3_module_fault_led(params, led_mode);
14876
}
14877
}
14878
}
14879
static void elink_kr2_recovery(struct elink_params *params,
14880
struct elink_vars *vars,
14881
struct elink_phy *phy)
14882
{
14883
struct bxe_softc *sc = params->sc;
14884
ELINK_DEBUG_P0(sc, "KR2 recovery\n");
14885
elink_warpcore_enable_AN_KR2(phy, params, vars);
14886
elink_warpcore_restart_AN_KR(phy, params);
14887
}
14888
14889
static void elink_check_kr2_wa(struct elink_params *params,
14890
struct elink_vars *vars,
14891
struct elink_phy *phy)
14892
{
14893
struct bxe_softc *sc = params->sc;
14894
uint16_t base_page, next_page, not_kr2_device, lane;
14895
int sigdet;
14896
14897
/* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
14898
* Since some switches tend to reinit the AN process and clear the
14899
* the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
14900
* and recovered many times
14901
*/
14902
if (vars->check_kr2_recovery_cnt > 0) {
14903
vars->check_kr2_recovery_cnt--;
14904
return;
14905
}
14906
14907
sigdet = elink_warpcore_get_sigdet(phy, params);
14908
if (!sigdet) {
14909
if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
14910
elink_kr2_recovery(params, vars, phy);
14911
ELINK_DEBUG_P0(sc, "No sigdet\n");
14912
}
14913
return;
14914
}
14915
14916
lane = elink_get_warpcore_lane(phy, params);
14917
CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK,
14918
MDIO_AER_BLOCK_AER_REG, lane);
14919
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
14920
MDIO_AN_REG_LP_AUTO_NEG, &base_page);
14921
elink_cl45_read(sc, phy, MDIO_AN_DEVAD,
14922
MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
14923
elink_set_aer_mmd(params, phy);
14924
14925
/* CL73 has not begun yet */
14926
if (base_page == 0) {
14927
if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
14928
elink_kr2_recovery(params, vars, phy);
14929
ELINK_DEBUG_P0(sc, "No BP\n");
14930
}
14931
return;
14932
}
14933
14934
/* In case NP bit is not set in the BasePage, or it is set,
14935
* but only KX is advertised, declare this link partner as non-KR2
14936
* device.
14937
*/
14938
not_kr2_device = (((base_page & 0x8000) == 0) ||
14939
(((base_page & 0x8000) &&
14940
((next_page & 0xe0) == 0x20))));
14941
14942
/* In case KR2 is already disabled, check if we need to re-enable it */
14943
if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
14944
if (!not_kr2_device) {
14945
ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page,
14946
next_page);
14947
elink_kr2_recovery(params, vars, phy);
14948
}
14949
return;
14950
}
14951
/* KR2 is enabled, but not KR2 device */
14952
if (not_kr2_device) {
14953
/* Disable KR2 on both lanes */
14954
ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page, next_page);
14955
elink_disable_kr2(params, vars, phy);
14956
/* Restart AN on leading lane */
14957
elink_warpcore_restart_AN_KR(phy, params);
14958
return;
14959
}
14960
}
14961
14962
void elink_period_func(struct elink_params *params, struct elink_vars *vars)
14963
{
14964
uint16_t phy_idx;
14965
struct bxe_softc *sc = params->sc;
14966
for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) {
14967
if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) {
14968
elink_set_aer_mmd(params, &params->phy[phy_idx]);
14969
if (elink_check_half_open_conn(params, vars, 1) !=
14970
ELINK_STATUS_OK)
14971
ELINK_DEBUG_P0(sc, "Fault detection failed\n");
14972
break;
14973
}
14974
}
14975
14976
if (CHIP_IS_E3(sc)) {
14977
struct elink_phy *phy = &params->phy[ELINK_INT_PHY];
14978
elink_set_aer_mmd(params, phy);
14979
if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) &&
14980
(phy->speed_cap_mask &
14981
PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
14982
(phy->req_line_speed == ELINK_SPEED_20000))
14983
elink_check_kr2_wa(params, vars, phy);
14984
elink_check_over_curr(params, vars);
14985
if (vars->rx_tx_asic_rst)
14986
elink_warpcore_config_runtime(phy, params, vars);
14987
14988
if ((REG_RD(sc, params->shmem_base +
14989
offsetof(struct shmem_region, dev_info.
14990
port_hw_config[params->port].default_cfg))
14991
& PORT_HW_CFG_NET_SERDES_IF_MASK) ==
14992
PORT_HW_CFG_NET_SERDES_IF_SFI) {
14993
if (elink_is_sfp_module_plugged(phy, params)) {
14994
elink_sfp_tx_fault_detection(phy, params, vars);
14995
} else if (vars->link_status &
14996
LINK_STATUS_SFP_TX_FAULT) {
14997
/* Clean trail, interrupt corrects the leds */
14998
vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
14999
vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
15000
/* Update link status in the shared memory */
15001
elink_update_mng(params, vars->link_status);
15002
}
15003
}
15004
}
15005
}
15006
15007
uint8_t elink_fan_failure_det_req(struct bxe_softc *sc,
15008
uint32_t shmem_base,
15009
uint32_t shmem2_base,
15010
uint8_t port)
15011
{
15012
uint8_t phy_index, fan_failure_det_req = 0;
15013
struct elink_phy phy;
15014
for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15015
phy_index++) {
15016
if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base,
15017
port, &phy)
15018
!= ELINK_STATUS_OK) {
15019
ELINK_DEBUG_P0(sc, "populate phy failed\n");
15020
return 0;
15021
}
15022
fan_failure_det_req |= (phy.flags &
15023
ELINK_FLAGS_FAN_FAILURE_DET_REQ);
15024
}
15025
return fan_failure_det_req;
15026
}
15027
15028
void elink_hw_reset_phy(struct elink_params *params)
15029
{
15030
uint8_t phy_index;
15031
struct bxe_softc *sc = params->sc;
15032
elink_update_mng(params, 0);
15033
elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
15034
(ELINK_NIG_MASK_XGXS0_LINK_STATUS |
15035
ELINK_NIG_MASK_XGXS0_LINK10G |
15036
ELINK_NIG_MASK_SERDES0_LINK_STATUS |
15037
ELINK_NIG_MASK_MI_INT));
15038
15039
for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS;
15040
phy_index++) {
15041
if (params->phy[phy_index].hw_reset) {
15042
params->phy[phy_index].hw_reset(
15043
&params->phy[phy_index],
15044
params);
15045
params->phy[phy_index] = phy_null;
15046
}
15047
}
15048
}
15049
15050
void elink_init_mod_abs_int(struct bxe_softc *sc, struct elink_vars *vars,
15051
uint32_t chip_id, uint32_t shmem_base, uint32_t shmem2_base,
15052
uint8_t port)
15053
{
15054
uint8_t gpio_num = 0xff, gpio_port = 0xff, phy_index;
15055
uint32_t val;
15056
uint32_t offset, aeu_mask, swap_val, swap_override, sync_offset;
15057
if (CHIP_IS_E3(sc)) {
15058
if (elink_get_mod_abs_int_cfg(sc, chip_id,
15059
shmem_base,
15060
port,
15061
&gpio_num,
15062
&gpio_port) != ELINK_STATUS_OK)
15063
return;
15064
} else {
15065
struct elink_phy phy;
15066
for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS;
15067
phy_index++) {
15068
if (elink_populate_phy(sc, phy_index, shmem_base,
15069
shmem2_base, port, &phy)
15070
!= ELINK_STATUS_OK) {
15071
ELINK_DEBUG_P0(sc, "populate phy failed\n");
15072
return;
15073
}
15074
if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
15075
gpio_num = MISC_REGISTERS_GPIO_3;
15076
gpio_port = port;
15077
break;
15078
}
15079
}
15080
}
15081
15082
if (gpio_num == 0xff)
15083
return;
15084
15085
/* Set GPIO3 to trigger SFP+ module insertion/removal */
15086
elink_cb_gpio_write(sc, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
15087
15088
swap_val = REG_RD(sc, NIG_REG_PORT_SWAP);
15089
swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE);
15090
gpio_port ^= (swap_val && swap_override);
15091
15092
vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
15093
(gpio_num + (gpio_port << 2));
15094
15095
sync_offset = shmem_base +
15096
offsetof(struct shmem_region,
15097
dev_info.port_hw_config[port].aeu_int_mask);
15098
REG_WR(sc, sync_offset, vars->aeu_int_mask);
15099
15100
ELINK_DEBUG_P3(sc, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
15101
gpio_num, gpio_port, vars->aeu_int_mask);
15102
15103
if (port == 0)
15104
offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
15105
else
15106
offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
15107
15108
/* Open appropriate AEU for interrupts */
15109
aeu_mask = REG_RD(sc, offset);
15110
aeu_mask |= vars->aeu_int_mask;
15111
REG_WR(sc, offset, aeu_mask);
15112
15113
/* Enable the GPIO to trigger interrupt */
15114
val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN);
15115
val |= 1 << (gpio_num + (gpio_port << 2));
15116
REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val);
15117
}
15118
15119
15120