bxe_elink.c revision 258187
1/*- 2 * Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved. 3 * 4 * Eric Davis <edavis@broadcom.com> 5 * David Christensen <davidch@broadcom.com> 6 * Gary Zambrano <zambrano@broadcom.com> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of Broadcom Corporation nor the name of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written consent. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS' 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35__FBSDID("$FreeBSD: head/sys/dev/bxe/bxe_elink.c 258187 2013-11-15 20:26:14Z edavis $"); 36 37#include "bxe.h" 38#include "bxe_elink.h" 39#include "ecore_mfw_req.h" 40#include "ecore_fw_defs.h" 41#include "ecore_hsi.h" 42#include "ecore_reg.h" 43 44 45#define MDIO_REG_BANK_CL73_IEEEB0 0x0 46 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL 0x0 47 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN 0x0200 48 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN 0x1000 49 #define MDIO_CL73_IEEEB0_CL73_AN_CONTROL_MAIN_RST 0x8000 50 51#define MDIO_REG_BANK_CL73_IEEEB1 0x10 52 #define MDIO_CL73_IEEEB1_AN_ADV1 0x00 53 #define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE 0x0400 54 #define MDIO_CL73_IEEEB1_AN_ADV1_ASYMMETRIC 0x0800 55 #define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH 0x0C00 56 #define MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK 0x0C00 57 #define MDIO_CL73_IEEEB1_AN_ADV2 0x01 58 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M 0x0000 59 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX 0x0020 60 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 0x0040 61 #define MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR 0x0080 62 #define MDIO_CL73_IEEEB1_AN_LP_ADV1 0x03 63 #define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE 0x0400 64 #define MDIO_CL73_IEEEB1_AN_LP_ADV1_ASYMMETRIC 0x0800 65 #define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_BOTH 0x0C00 66 #define MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK 0x0C00 67 #define MDIO_CL73_IEEEB1_AN_LP_ADV2 0x04 68 69#define MDIO_REG_BANK_RX0 0x80b0 70 #define MDIO_RX0_RX_STATUS 0x10 71 #define MDIO_RX0_RX_STATUS_SIGDET 0x8000 72 #define MDIO_RX0_RX_STATUS_RX_SEQ_DONE 0x1000 73 #define MDIO_RX0_RX_EQ_BOOST 0x1c 74 #define MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7 75 #define MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL 0x10 76 77#define MDIO_REG_BANK_RX1 0x80c0 78 #define MDIO_RX1_RX_EQ_BOOST 0x1c 79 #define MDIO_RX1_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7 80 #define MDIO_RX1_RX_EQ_BOOST_OFFSET_CTRL 0x10 81 82#define MDIO_REG_BANK_RX2 0x80d0 83 #define MDIO_RX2_RX_EQ_BOOST 0x1c 84 #define MDIO_RX2_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7 85 #define MDIO_RX2_RX_EQ_BOOST_OFFSET_CTRL 0x10 86 87#define MDIO_REG_BANK_RX3 0x80e0 88 #define MDIO_RX3_RX_EQ_BOOST 0x1c 89 #define MDIO_RX3_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7 90 #define MDIO_RX3_RX_EQ_BOOST_OFFSET_CTRL 0x10 91 92#define MDIO_REG_BANK_RX_ALL 0x80f0 93 #define MDIO_RX_ALL_RX_EQ_BOOST 0x1c 94 #define MDIO_RX_ALL_RX_EQ_BOOST_EQUALIZER_CTRL_MASK 0x7 95 #define MDIO_RX_ALL_RX_EQ_BOOST_OFFSET_CTRL 0x10 96 97#define MDIO_REG_BANK_TX0 0x8060 98 #define MDIO_TX0_TX_DRIVER 0x17 99 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000 100 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12 101 #define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00 102 #define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8 103 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0 104 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4 105 #define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e 106 #define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1 107 #define MDIO_TX0_TX_DRIVER_ICBUF1T 1 108 109#define MDIO_REG_BANK_TX1 0x8070 110 #define MDIO_TX1_TX_DRIVER 0x17 111 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000 112 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12 113 #define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00 114 #define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8 115 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0 116 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4 117 #define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e 118 #define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1 119 #define MDIO_TX0_TX_DRIVER_ICBUF1T 1 120 121#define MDIO_REG_BANK_TX2 0x8080 122 #define MDIO_TX2_TX_DRIVER 0x17 123 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000 124 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12 125 #define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00 126 #define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8 127 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0 128 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4 129 #define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e 130 #define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1 131 #define MDIO_TX0_TX_DRIVER_ICBUF1T 1 132 133#define MDIO_REG_BANK_TX3 0x8090 134 #define MDIO_TX3_TX_DRIVER 0x17 135 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK 0xf000 136 #define MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT 12 137 #define MDIO_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00 138 #define MDIO_TX0_TX_DRIVER_IDRIVER_SHIFT 8 139 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_MASK 0x00f0 140 #define MDIO_TX0_TX_DRIVER_IPREDRIVER_SHIFT 4 141 #define MDIO_TX0_TX_DRIVER_IFULLSPD_MASK 0x000e 142 #define MDIO_TX0_TX_DRIVER_IFULLSPD_SHIFT 1 143 #define MDIO_TX0_TX_DRIVER_ICBUF1T 1 144 145#define MDIO_REG_BANK_XGXS_BLOCK0 0x8000 146 #define MDIO_BLOCK0_XGXS_CONTROL 0x10 147 148#define MDIO_REG_BANK_XGXS_BLOCK1 0x8010 149 #define MDIO_BLOCK1_LANE_CTRL0 0x15 150 #define MDIO_BLOCK1_LANE_CTRL1 0x16 151 #define MDIO_BLOCK1_LANE_CTRL2 0x17 152 #define MDIO_BLOCK1_LANE_PRBS 0x19 153 154#define MDIO_REG_BANK_XGXS_BLOCK2 0x8100 155 #define MDIO_XGXS_BLOCK2_RX_LN_SWAP 0x10 156 #define MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE 0x8000 157 #define MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE 0x4000 158 #define MDIO_XGXS_BLOCK2_TX_LN_SWAP 0x11 159 #define MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE 0x8000 160 #define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G 0x14 161 #define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS 0x0001 162 #define MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS 0x0010 163 #define MDIO_XGXS_BLOCK2_TEST_MODE_LANE 0x15 164 165#define MDIO_REG_BANK_GP_STATUS 0x8120 166#define MDIO_GP_STATUS_TOP_AN_STATUS1 0x1B 167 #define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE 0x0001 168 #define MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE 0x0002 169 #define MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS 0x0004 170 #define MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS 0x0008 171 #define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE 0x0010 172 #define MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_LP_NP_BAM_ABLE 0x0020 173 #define MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE 0x0040 174 #define MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE 0x0080 175 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK 0x3f00 176 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M 0x0000 177 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M 0x0100 178 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G 0x0200 179 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G 0x0300 180 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G 0x0400 181 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G 0x0500 182 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG 0x0600 183 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 0x0700 184 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG 0x0800 185 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G 0x0900 186 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G 0x0A00 187 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G 0x0B00 188 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G 0x0C00 189 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX 0x0D00 190 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 0x0E00 191 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR 0x0F00 192 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI 0x1B00 193 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS 0x1E00 194 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI 0x1F00 195 #define MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2 0x3900 196 197 198#define MDIO_REG_BANK_10G_PARALLEL_DETECT 0x8130 199#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS 0x10 200#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK 0x8000 201#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL 0x11 202#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN 0x1 203#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK 0x13 204#define MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT (0xb71<<1) 205 206#define MDIO_REG_BANK_SERDES_DIGITAL 0x8300 207#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1 0x10 208#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE 0x0001 209#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_TBI_IF 0x0002 210#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN 0x0004 211#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT 0x0008 212#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET 0x0010 213#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE 0x0020 214#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2 0x11 215#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN 0x0001 216#define MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_AN_FST_TMR 0x0040 217#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1 0x14 218#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SGMII 0x0001 219#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_LINK 0x0002 220#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_DUPLEX 0x0004 221#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_MASK 0x0018 222#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_SHIFT 3 223#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_2_5G 0x0018 224#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_1G 0x0010 225#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_100M 0x0008 226#define MDIO_SERDES_DIGITAL_A_1000X_STATUS1_SPEED_10M 0x0000 227#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2 0x15 228#define MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED 0x0002 229#define MDIO_SERDES_DIGITAL_MISC1 0x18 230#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_MASK 0xE000 231#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_25M 0x0000 232#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_100M 0x2000 233#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_125M 0x4000 234#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M 0x6000 235#define MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_187_5M 0x8000 236#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL 0x0010 237#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK 0x000f 238#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_2_5G 0x0000 239#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_5G 0x0001 240#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_6G 0x0002 241#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_HIG 0x0003 242#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4 0x0004 243#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12G 0x0005 244#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_12_5G 0x0006 245#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G 0x0007 246#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_15G 0x0008 247#define MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_16G 0x0009 248 249#define MDIO_REG_BANK_OVER_1G 0x8320 250#define MDIO_OVER_1G_DIGCTL_3_4 0x14 251#define MDIO_OVER_1G_DIGCTL_3_4_MP_ID_MASK 0xffe0 252#define MDIO_OVER_1G_DIGCTL_3_4_MP_ID_SHIFT 5 253#define MDIO_OVER_1G_UP1 0x19 254#define MDIO_OVER_1G_UP1_2_5G 0x0001 255#define MDIO_OVER_1G_UP1_5G 0x0002 256#define MDIO_OVER_1G_UP1_6G 0x0004 257#define MDIO_OVER_1G_UP1_10G 0x0010 258#define MDIO_OVER_1G_UP1_10GH 0x0008 259#define MDIO_OVER_1G_UP1_12G 0x0020 260#define MDIO_OVER_1G_UP1_12_5G 0x0040 261#define MDIO_OVER_1G_UP1_13G 0x0080 262#define MDIO_OVER_1G_UP1_15G 0x0100 263#define MDIO_OVER_1G_UP1_16G 0x0200 264#define MDIO_OVER_1G_UP2 0x1A 265#define MDIO_OVER_1G_UP2_IPREDRIVER_MASK 0x0007 266#define MDIO_OVER_1G_UP2_IDRIVER_MASK 0x0038 267#define MDIO_OVER_1G_UP2_PREEMPHASIS_MASK 0x03C0 268#define MDIO_OVER_1G_UP3 0x1B 269#define MDIO_OVER_1G_UP3_HIGIG2 0x0001 270#define MDIO_OVER_1G_LP_UP1 0x1C 271#define MDIO_OVER_1G_LP_UP2 0x1D 272#define MDIO_OVER_1G_LP_UP2_MR_ADV_OVER_1G_MASK 0x03ff 273#define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK 0x0780 274#define MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT 7 275#define MDIO_OVER_1G_LP_UP3 0x1E 276 277#define MDIO_REG_BANK_REMOTE_PHY 0x8330 278#define MDIO_REMOTE_PHY_MISC_RX_STATUS 0x10 279#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG 0x0010 280#define MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG 0x0600 281 282#define MDIO_REG_BANK_BAM_NEXT_PAGE 0x8350 283#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL 0x10 284#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE 0x0001 285#define MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN 0x0002 286 287#define MDIO_REG_BANK_CL73_USERB0 0x8370 288#define MDIO_CL73_USERB0_CL73_UCTRL 0x10 289#define MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL 0x0002 290#define MDIO_CL73_USERB0_CL73_USTAT1 0x11 291#define MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK 0x0100 292#define MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37 0x0400 293#define MDIO_CL73_USERB0_CL73_BAM_CTRL1 0x12 294#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN 0x8000 295#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN 0x4000 296#define MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN 0x2000 297#define MDIO_CL73_USERB0_CL73_BAM_CTRL3 0x14 298#define MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR 0x0001 299 300#define MDIO_REG_BANK_AER_BLOCK 0xFFD0 301#define MDIO_AER_BLOCK_AER_REG 0x1E 302 303#define MDIO_REG_BANK_COMBO_IEEE0 0xFFE0 304#define MDIO_COMBO_IEEE0_MII_CONTROL 0x10 305#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK 0x2040 306#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_10 0x0000 307#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100 0x2000 308#define MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000 0x0040 309#define MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX 0x0100 310#define MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN 0x0200 311#define MDIO_COMBO_IEEO_MII_CONTROL_AN_EN 0x1000 312#define MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK 0x4000 313#define MDIO_COMBO_IEEO_MII_CONTROL_RESET 0x8000 314#define MDIO_COMBO_IEEE0_MII_STATUS 0x11 315#define MDIO_COMBO_IEEE0_MII_STATUS_LINK_PASS 0x0004 316#define MDIO_COMBO_IEEE0_MII_STATUS_AUTONEG_COMPLETE 0x0020 317#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV 0x14 318#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX 0x0020 319#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_HALF_DUPLEX 0x0040 320#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK 0x0180 321#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE 0x0000 322#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC 0x0080 323#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC 0x0100 324#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH 0x0180 325#define MDIO_COMBO_IEEE0_AUTO_NEG_ADV_NEXT_PAGE 0x8000 326#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1 0x15 327#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_NEXT_PAGE 0x8000 328#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_ACK 0x4000 329#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_MASK 0x0180 330#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_NONE 0x0000 331#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_PAUSE_BOTH 0x0180 332#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_HALF_DUP_CAP 0x0040 333#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_FULL_DUP_CAP 0x0020 334/*WhenthelinkpartnerisinSGMIImode(bit0=1),then 335bit15=link,bit12=duplex,bits11:10=speed,bit14=acknowledge. 336Theotherbitsarereservedandshouldbezero*/ 337#define MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1_SGMII_MODE 0x0001 338 339 340#define MDIO_PMA_DEVAD 0x1 341/*ieee*/ 342#define MDIO_PMA_REG_CTRL 0x0 343#define MDIO_PMA_REG_STATUS 0x1 344#define MDIO_PMA_REG_10G_CTRL2 0x7 345#define MDIO_PMA_REG_TX_DISABLE 0x0009 346#define MDIO_PMA_REG_RX_SD 0xa 347/*bcm*/ 348#define MDIO_PMA_REG_BCM_CTRL 0x0096 349#define MDIO_PMA_REG_FEC_CTRL 0x00ab 350#define MDIO_PMA_LASI_RXCTRL 0x9000 351#define MDIO_PMA_LASI_TXCTRL 0x9001 352#define MDIO_PMA_LASI_CTRL 0x9002 353#define MDIO_PMA_LASI_RXSTAT 0x9003 354#define MDIO_PMA_LASI_TXSTAT 0x9004 355#define MDIO_PMA_LASI_STAT 0x9005 356#define MDIO_PMA_REG_PHY_IDENTIFIER 0xc800 357#define MDIO_PMA_REG_DIGITAL_CTRL 0xc808 358#define MDIO_PMA_REG_DIGITAL_STATUS 0xc809 359#define MDIO_PMA_REG_TX_POWER_DOWN 0xca02 360#define MDIO_PMA_REG_CMU_PLL_BYPASS 0xca09 361#define MDIO_PMA_REG_MISC_CTRL 0xca0a 362#define MDIO_PMA_REG_GEN_CTRL 0xca10 363 #define MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP 0x0188 364 #define MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET 0x018a 365#define MDIO_PMA_REG_M8051_MSGIN_REG 0xca12 366#define MDIO_PMA_REG_M8051_MSGOUT_REG 0xca13 367#define MDIO_PMA_REG_ROM_VER1 0xca19 368#define MDIO_PMA_REG_ROM_VER2 0xca1a 369#define MDIO_PMA_REG_EDC_FFE_MAIN 0xca1b 370#define MDIO_PMA_REG_PLL_BANDWIDTH 0xca1d 371#define MDIO_PMA_REG_PLL_CTRL 0xca1e 372#define MDIO_PMA_REG_MISC_CTRL0 0xca23 373#define MDIO_PMA_REG_LRM_MODE 0xca3f 374#define MDIO_PMA_REG_CDR_BANDWIDTH 0xca46 375#define MDIO_PMA_REG_MISC_CTRL1 0xca85 376 377#define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL 0x8000 378 #define MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK 0x000c 379 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE 0x0000 380 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE 0x0004 381 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IN_PROGRESS 0x0008 382 #define MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_FAILED 0x000c 383#define MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT 0x8002 384#define MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR 0x8003 385#define MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF 0xc820 386 #define MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK 0xff 387#define MDIO_PMA_REG_8726_TX_CTRL1 0xca01 388#define MDIO_PMA_REG_8726_TX_CTRL2 0xca05 389 390#define MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR 0x8005 391#define MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF 0x8007 392 #define MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK 0xff 393#define MDIO_PMA_REG_8727_MISC_CTRL 0x8309 394#define MDIO_PMA_REG_8727_TX_CTRL1 0xca02 395#define MDIO_PMA_REG_8727_TX_CTRL2 0xca05 396#define MDIO_PMA_REG_8727_PCS_OPT_CTRL 0xc808 397#define MDIO_PMA_REG_8727_GPIO_CTRL 0xc80e 398#define MDIO_PMA_REG_8727_PCS_GP 0xc842 399#define MDIO_PMA_REG_8727_OPT_CFG_REG 0xc8e4 400 401#define MDIO_AN_REG_8727_MISC_CTRL 0x8309 402#define MDIO_PMA_REG_8073_CHIP_REV 0xc801 403#define MDIO_PMA_REG_8073_SPEED_LINK_STATUS 0xc820 404#define MDIO_PMA_REG_8073_XAUI_WA 0xc841 405#define MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL 0xcd08 406 407#define MDIO_PMA_REG_7101_RESET 0xc000 408#define MDIO_PMA_REG_7107_LED_CNTL 0xc007 409#define MDIO_PMA_REG_7107_LINK_LED_CNTL 0xc009 410#define MDIO_PMA_REG_7101_VER1 0xc026 411#define MDIO_PMA_REG_7101_VER2 0xc027 412 413#define MDIO_PMA_REG_8481_PMD_SIGNAL 0xa811 414#define MDIO_PMA_REG_8481_LED1_MASK 0xa82c 415#define MDIO_PMA_REG_8481_LED2_MASK 0xa82f 416#define MDIO_PMA_REG_8481_LED3_MASK 0xa832 417#define MDIO_PMA_REG_8481_LED3_BLINK 0xa834 418#define MDIO_PMA_REG_8481_LED5_MASK 0xa838 419#define MDIO_PMA_REG_8481_SIGNAL_MASK 0xa835 420#define MDIO_PMA_REG_8481_LINK_SIGNAL 0xa83b 421#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK 0x800 422#define MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT 11 423 424 425 426#define MDIO_WIS_DEVAD 0x2 427/*bcm*/ 428#define MDIO_WIS_REG_LASI_CNTL 0x9002 429#define MDIO_WIS_REG_LASI_STATUS 0x9005 430 431#define MDIO_PCS_DEVAD 0x3 432#define MDIO_PCS_REG_STATUS 0x0020 433#define MDIO_PCS_REG_LASI_STATUS 0x9005 434#define MDIO_PCS_REG_7101_DSP_ACCESS 0xD000 435#define MDIO_PCS_REG_7101_SPI_MUX 0xD008 436#define MDIO_PCS_REG_7101_SPI_CTRL_ADDR 0xE12A 437 #define MDIO_PCS_REG_7101_SPI_RESET_BIT (5) 438#define MDIO_PCS_REG_7101_SPI_FIFO_ADDR 0xE02A 439 #define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD (6) 440 #define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD (0xC7) 441 #define MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD (2) 442#define MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR 0xE028 443 444 445 446#define MDIO_XS_DEVAD 0x4 447#define MDIO_XS_REG_STATUS 0x0001 448#define MDIO_XS_PLL_SEQUENCER 0x8000 449#define MDIO_XS_SFX7101_XGXS_TEST1 0xc00a 450 451#define MDIO_XS_8706_REG_BANK_RX0 0x80bc 452#define MDIO_XS_8706_REG_BANK_RX1 0x80cc 453#define MDIO_XS_8706_REG_BANK_RX2 0x80dc 454#define MDIO_XS_8706_REG_BANK_RX3 0x80ec 455#define MDIO_XS_8706_REG_BANK_RXA 0x80fc 456 457#define MDIO_XS_REG_8073_RX_CTRL_PCIE 0x80FA 458 459#define MDIO_AN_DEVAD 0x7 460/*ieee*/ 461#define MDIO_AN_REG_CTRL 0x0000 462#define MDIO_AN_REG_STATUS 0x0001 463 #define MDIO_AN_REG_STATUS_AN_COMPLETE 0x0020 464#define MDIO_AN_REG_ADV_PAUSE 0x0010 465 #define MDIO_AN_REG_ADV_PAUSE_PAUSE 0x0400 466 #define MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC 0x0800 467 #define MDIO_AN_REG_ADV_PAUSE_BOTH 0x0C00 468 #define MDIO_AN_REG_ADV_PAUSE_MASK 0x0C00 469#define MDIO_AN_REG_ADV 0x0011 470#define MDIO_AN_REG_ADV2 0x0012 471#define MDIO_AN_REG_LP_AUTO_NEG 0x0013 472#define MDIO_AN_REG_LP_AUTO_NEG2 0x0014 473#define MDIO_AN_REG_MASTER_STATUS 0x0021 474#define MDIO_AN_REG_EEE_ADV 0x003c 475#define MDIO_AN_REG_LP_EEE_ADV 0x003d 476/*bcm*/ 477#define MDIO_AN_REG_LINK_STATUS 0x8304 478#define MDIO_AN_REG_CL37_CL73 0x8370 479#define MDIO_AN_REG_CL37_AN 0xffe0 480#define MDIO_AN_REG_CL37_FC_LD 0xffe4 481#define MDIO_AN_REG_CL37_FC_LP 0xffe5 482#define MDIO_AN_REG_1000T_STATUS 0xffea 483 484#define MDIO_AN_REG_8073_2_5G 0x8329 485#define MDIO_AN_REG_8073_BAM 0x8350 486 487#define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL 0x0020 488#define MDIO_AN_REG_8481_LEGACY_MII_CTRL 0xffe0 489 #define MDIO_AN_REG_8481_MII_CTRL_FORCE_1G 0x40 490#define MDIO_AN_REG_8481_LEGACY_MII_STATUS 0xffe1 491#define MDIO_AN_REG_8481_LEGACY_AN_ADV 0xffe4 492#define MDIO_AN_REG_8481_LEGACY_AN_EXPANSION 0xffe6 493#define MDIO_AN_REG_8481_1000T_CTRL 0xffe9 494#define MDIO_AN_REG_8481_1G_100T_EXT_CTRL 0xfff0 495 #define MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF 0x0008 496#define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW 0xfff5 497#define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS 0xfff7 498#define MDIO_AN_REG_8481_AUX_CTRL 0xfff8 499#define MDIO_AN_REG_8481_LEGACY_SHADOW 0xfffc 500 501/* BCM84823 only */ 502#define MDIO_CTL_DEVAD 0x1e 503#define MDIO_CTL_REG_84823_MEDIA 0x401a 504 #define MDIO_CTL_REG_84823_MEDIA_MAC_MASK 0x0018 505 /* These pins configure the BCM84823 interface to MAC after reset. */ 506 #define MDIO_CTL_REG_84823_CTRL_MAC_XFI 0x0008 507 #define MDIO_CTL_REG_84823_MEDIA_MAC_XAUI_M 0x0010 508 /* These pins configure the BCM84823 interface to Line after reset. */ 509 #define MDIO_CTL_REG_84823_MEDIA_LINE_MASK 0x0060 510 #define MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L 0x0020 511 #define MDIO_CTL_REG_84823_MEDIA_LINE_XFI 0x0040 512 /* When this pin is active high during reset, 10GBASE-T core is power 513 * down, When it is active low the 10GBASE-T is power up 514 */ 515 #define MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN 0x0080 516 #define MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK 0x0100 517 #define MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER 0x0000 518 #define MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER 0x0100 519 #define MDIO_CTL_REG_84823_MEDIA_FIBER_1G 0x1000 520#define MDIO_CTL_REG_84823_USER_CTRL_REG 0x4005 521 #define MDIO_CTL_REG_84823_USER_CTRL_CMS 0x0080 522#define MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH 0xa82b 523 #define MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ 0x2f 524#define MDIO_PMA_REG_84823_CTL_LED_CTL_1 0xa8e3 525#define MDIO_PMA_REG_84833_CTL_LED_CTL_1 0xa8ec 526 #define MDIO_PMA_REG_84823_LED3_STRETCH_EN 0x0080 527 528/* BCM84833 only */ 529#define MDIO_84833_TOP_CFG_FW_REV 0x400f 530 #define MDIO_84833_TOP_CFG_FW_EEE 0x10b1 531 #define MDIO_84833_TOP_CFG_FW_NO_EEE 0x1f81 532#define MDIO_84833_TOP_CFG_XGPHY_STRAP1 0x401a 533 #define MDIO_84833_SUPER_ISOLATE 0x8000 534/* These are mailbox register set used by 84833. */ 535#define MDIO_84833_TOP_CFG_SCRATCH_REG0 0x4005 536#define MDIO_84833_TOP_CFG_SCRATCH_REG1 0x4006 537#define MDIO_84833_TOP_CFG_SCRATCH_REG2 0x4007 538#define MDIO_84833_TOP_CFG_SCRATCH_REG3 0x4008 539#define MDIO_84833_TOP_CFG_SCRATCH_REG4 0x4009 540#define MDIO_84833_TOP_CFG_SCRATCH_REG26 0x4037 541#define MDIO_84833_TOP_CFG_SCRATCH_REG27 0x4038 542#define MDIO_84833_TOP_CFG_SCRATCH_REG28 0x4039 543#define MDIO_84833_TOP_CFG_SCRATCH_REG29 0x403a 544#define MDIO_84833_TOP_CFG_SCRATCH_REG30 0x403b 545#define MDIO_84833_TOP_CFG_SCRATCH_REG31 0x403c 546#define MDIO_84833_CMD_HDLR_COMMAND MDIO_84833_TOP_CFG_SCRATCH_REG0 547#define MDIO_84833_CMD_HDLR_STATUS MDIO_84833_TOP_CFG_SCRATCH_REG26 548#define MDIO_84833_CMD_HDLR_DATA1 MDIO_84833_TOP_CFG_SCRATCH_REG27 549#define MDIO_84833_CMD_HDLR_DATA2 MDIO_84833_TOP_CFG_SCRATCH_REG28 550#define MDIO_84833_CMD_HDLR_DATA3 MDIO_84833_TOP_CFG_SCRATCH_REG29 551#define MDIO_84833_CMD_HDLR_DATA4 MDIO_84833_TOP_CFG_SCRATCH_REG30 552#define MDIO_84833_CMD_HDLR_DATA5 MDIO_84833_TOP_CFG_SCRATCH_REG31 553 554/* Mailbox command set used by 84833. */ 555#define PHY84833_CMD_SET_PAIR_SWAP 0x8001 556#define PHY84833_CMD_GET_EEE_MODE 0x8008 557#define PHY84833_CMD_SET_EEE_MODE 0x8009 558#define PHY84833_CMD_GET_CURRENT_TEMP 0x8031 559/* Mailbox status set used by 84833. */ 560#define PHY84833_STATUS_CMD_RECEIVED 0x0001 561#define PHY84833_STATUS_CMD_IN_PROGRESS 0x0002 562#define PHY84833_STATUS_CMD_COMPLETE_PASS 0x0004 563#define PHY84833_STATUS_CMD_COMPLETE_ERROR 0x0008 564#define PHY84833_STATUS_CMD_OPEN_FOR_CMDS 0x0010 565#define PHY84833_STATUS_CMD_SYSTEM_BOOT 0x0020 566#define PHY84833_STATUS_CMD_NOT_OPEN_FOR_CMDS 0x0040 567#define PHY84833_STATUS_CMD_CLEAR_COMPLETE 0x0080 568#define PHY84833_STATUS_CMD_OPEN_OVERRIDE 0xa5a5 569 570 571/* Warpcore clause 45 addressing */ 572#define MDIO_WC_DEVAD 0x3 573#define MDIO_WC_REG_IEEE0BLK_MIICNTL 0x0 574#define MDIO_WC_REG_IEEE0BLK_AUTONEGNP 0x7 575#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0 0x10 576#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1 0x11 577#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2 0x12 578 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY 0x4000 579 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ 0x8000 580#define MDIO_WC_REG_PCS_STATUS2 0x0021 581#define MDIO_WC_REG_PMD_KR_CONTROL 0x0096 582#define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL 0x8000 583#define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1 0x800e 584#define MDIO_WC_REG_XGXSBLK1_DESKEW 0x8010 585#define MDIO_WC_REG_XGXSBLK1_LANECTRL0 0x8015 586#define MDIO_WC_REG_XGXSBLK1_LANECTRL1 0x8016 587#define MDIO_WC_REG_XGXSBLK1_LANECTRL2 0x8017 588#define MDIO_WC_REG_XGXSBLK1_LANECTRL3 0x8018 589#define MDIO_WC_REG_XGXSBLK1_LANETEST0 0x801a 590#define MDIO_WC_REG_TX0_ANA_CTRL0 0x8061 591#define MDIO_WC_REG_TX1_ANA_CTRL0 0x8071 592#define MDIO_WC_REG_TX2_ANA_CTRL0 0x8081 593#define MDIO_WC_REG_TX3_ANA_CTRL0 0x8091 594#define MDIO_WC_REG_TX0_TX_DRIVER 0x8067 595#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET 0x04 596#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_MASK 0x00f0 597#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET 0x08 598#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_MASK 0x0f00 599#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET 0x0c 600#define MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_MASK 0x7000 601#define MDIO_WC_REG_TX1_TX_DRIVER 0x8077 602#define MDIO_WC_REG_TX2_TX_DRIVER 0x8087 603#define MDIO_WC_REG_TX3_TX_DRIVER 0x8097 604#define MDIO_WC_REG_RX0_ANARXCONTROL1G 0x80b9 605#define MDIO_WC_REG_RX2_ANARXCONTROL1G 0x80d9 606#define MDIO_WC_REG_RX0_PCI_CTRL 0x80ba 607#define MDIO_WC_REG_RX1_PCI_CTRL 0x80ca 608#define MDIO_WC_REG_RX2_PCI_CTRL 0x80da 609#define MDIO_WC_REG_RX3_PCI_CTRL 0x80ea 610#define MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI 0x80fa 611#define MDIO_WC_REG_XGXSBLK2_UNICORE_MODE_10G 0x8104 612#define MDIO_WC_REG_XGXS_STATUS3 0x8129 613#define MDIO_WC_REG_PAR_DET_10G_STATUS 0x8130 614#define MDIO_WC_REG_PAR_DET_10G_CTRL 0x8131 615#define MDIO_WC_REG_XGXS_STATUS4 0x813c 616#define MDIO_WC_REG_XGXS_X2_CONTROL2 0x8141 617#define MDIO_WC_REG_XGXS_X2_CONTROL3 0x8142 618#define MDIO_WC_REG_XGXS_RX_LN_SWAP1 0x816B 619#define MDIO_WC_REG_XGXS_TX_LN_SWAP1 0x8169 620#define MDIO_WC_REG_GP2_STATUS_GP_2_0 0x81d0 621#define MDIO_WC_REG_GP2_STATUS_GP_2_1 0x81d1 622#define MDIO_WC_REG_GP2_STATUS_GP_2_2 0x81d2 623#define MDIO_WC_REG_GP2_STATUS_GP_2_3 0x81d3 624#define MDIO_WC_REG_GP2_STATUS_GP_2_4 0x81d4 625 #define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL 0x1000 626 #define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CMPL 0x0100 627 #define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP 0x0010 628 #define MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_AN_CAP 0x1 629#define MDIO_WC_REG_UC_INFO_B0_DEAD_TRAP 0x81EE 630#define MDIO_WC_REG_UC_INFO_B1_VERSION 0x81F0 631#define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE 0x81F2 632 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE0_OFFSET 0x0 633 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT 0x0 634 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_OPT_LR 0x1 635 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC 0x2 636 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_XLAUI 0x3 637 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_LONG_CH_6G 0x4 638 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE1_OFFSET 0x4 639 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE2_OFFSET 0x8 640 #define MDIO_WC_REG_UC_INFO_B1_FIRMWARE_LANE3_OFFSET 0xc 641#define MDIO_WC_REG_UC_INFO_B1_CRC 0x81FE 642#define MDIO_WC_REG_DSC1B0_UC_CTRL 0x820e 643 #define MDIO_WC_REG_DSC1B0_UC_CTRL_RDY4CMD (1<<7) 644#define MDIO_WC_REG_DSC_SMC 0x8213 645#define MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0 0x821e 646#define MDIO_WC_REG_TX_FIR_TAP 0x82e2 647 #define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET 0x00 648 #define MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_MASK 0x000f 649 #define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET 0x04 650 #define MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_MASK 0x03f0 651 #define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET 0x0a 652 #define MDIO_WC_REG_TX_FIR_TAP_POST_TAP_MASK 0x7c00 653 #define MDIO_WC_REG_TX_FIR_TAP_ENABLE 0x8000 654#define MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP 0x82e2 655#define MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL 0x82e3 656#define MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL 0x82e6 657#define MDIO_WC_REG_CL72_USERB0_CL72_BR_DEF_CTRL 0x82e7 658#define MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL 0x82e8 659#define MDIO_WC_REG_CL72_USERB0_CL72_MISC4_CONTROL 0x82ec 660#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1 0x8300 661#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2 0x8301 662#define MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3 0x8302 663#define MDIO_WC_REG_SERDESDIGITAL_STATUS1000X1 0x8304 664#define MDIO_WC_REG_SERDESDIGITAL_MISC1 0x8308 665#define MDIO_WC_REG_SERDESDIGITAL_MISC2 0x8309 666#define MDIO_WC_REG_DIGITAL3_UP1 0x8329 667#define MDIO_WC_REG_DIGITAL3_LP_UP1 0x832c 668#define MDIO_WC_REG_DIGITAL4_MISC3 0x833c 669#define MDIO_WC_REG_DIGITAL4_MISC5 0x833e 670#define MDIO_WC_REG_DIGITAL5_MISC6 0x8345 671#define MDIO_WC_REG_DIGITAL5_MISC7 0x8349 672#define MDIO_WC_REG_DIGITAL5_LINK_STATUS 0x834d 673#define MDIO_WC_REG_DIGITAL5_ACTUAL_SPEED 0x834e 674#define MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL 0x8350 675#define MDIO_WC_REG_CL49_USERB0_CTRL 0x8368 676#define MDIO_WC_REG_CL73_USERB0_CTRL 0x8370 677#define MDIO_WC_REG_CL73_USERB0_USTAT 0x8371 678#define MDIO_WC_REG_CL73_BAM_CTRL1 0x8372 679#define MDIO_WC_REG_CL73_BAM_CTRL2 0x8373 680#define MDIO_WC_REG_CL73_BAM_CTRL3 0x8374 681#define MDIO_WC_REG_CL73_BAM_CODE_FIELD 0x837b 682#define MDIO_WC_REG_EEE_COMBO_CONTROL0 0x8390 683#define MDIO_WC_REG_TX66_CONTROL 0x83b0 684#define MDIO_WC_REG_RX66_CONTROL 0x83c0 685#define MDIO_WC_REG_RX66_SCW0 0x83c2 686#define MDIO_WC_REG_RX66_SCW1 0x83c3 687#define MDIO_WC_REG_RX66_SCW2 0x83c4 688#define MDIO_WC_REG_RX66_SCW3 0x83c5 689#define MDIO_WC_REG_RX66_SCW0_MASK 0x83c6 690#define MDIO_WC_REG_RX66_SCW1_MASK 0x83c7 691#define MDIO_WC_REG_RX66_SCW2_MASK 0x83c8 692#define MDIO_WC_REG_RX66_SCW3_MASK 0x83c9 693#define MDIO_WC_REG_FX100_CTRL1 0x8400 694#define MDIO_WC_REG_FX100_CTRL3 0x8402 695#define MDIO_WC_REG_CL82_USERB1_TX_CTRL5 0x8436 696#define MDIO_WC_REG_CL82_USERB1_TX_CTRL6 0x8437 697#define MDIO_WC_REG_CL82_USERB1_TX_CTRL7 0x8438 698#define MDIO_WC_REG_CL82_USERB1_TX_CTRL9 0x8439 699#define MDIO_WC_REG_CL82_USERB1_RX_CTRL10 0x843a 700#define MDIO_WC_REG_CL82_USERB1_RX_CTRL11 0x843b 701#define MDIO_WC_REG_ETA_CL73_OUI1 0x8453 702#define MDIO_WC_REG_ETA_CL73_OUI2 0x8454 703#define MDIO_WC_REG_ETA_CL73_OUI3 0x8455 704#define MDIO_WC_REG_ETA_CL73_LD_BAM_CODE 0x8456 705#define MDIO_WC_REG_ETA_CL73_LD_UD_CODE 0x8457 706#define MDIO_WC_REG_MICROBLK_CMD 0xffc2 707#define MDIO_WC_REG_MICROBLK_DL_STATUS 0xffc5 708#define MDIO_WC_REG_MICROBLK_CMD3 0xffcc 709 710#define MDIO_WC_REG_AERBLK_AER 0xffde 711#define MDIO_WC_REG_COMBO_IEEE0_MIICTRL 0xffe0 712#define MDIO_WC_REG_COMBO_IEEE0_MIIISTAT 0xffe1 713 714#define MDIO_WC0_XGXS_BLK2_LANE_RESET 0x810A 715 #define MDIO_WC0_XGXS_BLK2_LANE_RESET_RX_BITSHIFT 0 716 #define MDIO_WC0_XGXS_BLK2_LANE_RESET_TX_BITSHIFT 4 717 718#define MDIO_WC0_XGXS_BLK6_XGXS_X2_CONTROL2 0x8141 719 720#define DIGITAL5_ACTUAL_SPEED_TX_MASK 0x003f 721 722/* 54618se */ 723#define MDIO_REG_GPHY_MII_STATUS 0x1 724#define MDIO_REG_GPHY_PHYID_LSB 0x3 725#define MDIO_REG_GPHY_CL45_ADDR_REG 0xd 726 #define MDIO_REG_GPHY_CL45_REG_WRITE 0x4000 727 #define MDIO_REG_GPHY_CL45_REG_READ 0xc000 728#define MDIO_REG_GPHY_CL45_DATA_REG 0xe 729 #define MDIO_REG_GPHY_EEE_RESOLVED 0x803e 730#define MDIO_REG_GPHY_EXP_ACCESS_GATE 0x15 731#define MDIO_REG_GPHY_EXP_ACCESS 0x17 732 #define MDIO_REG_GPHY_EXP_ACCESS_TOP 0xd00 733 #define MDIO_REG_GPHY_EXP_TOP_2K_BUF 0x40 734#define MDIO_REG_GPHY_AUX_STATUS 0x19 735#define MDIO_REG_INTR_STATUS 0x1a 736#define MDIO_REG_INTR_MASK 0x1b 737 #define MDIO_REG_INTR_MASK_LINK_STATUS (0x1 << 1) 738#define MDIO_REG_GPHY_SHADOW 0x1c 739 #define MDIO_REG_GPHY_SHADOW_LED_SEL1 (0x0d << 10) 740 #define MDIO_REG_GPHY_SHADOW_LED_SEL2 (0x0e << 10) 741 #define MDIO_REG_GPHY_SHADOW_WR_ENA (0x1 << 15) 742 #define MDIO_REG_GPHY_SHADOW_AUTO_DET_MED (0x1e << 10) 743 #define MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD (0x1 << 8) 744 745 746typedef elink_status_t (*read_sfp_module_eeprom_func_p)(struct elink_phy *phy, 747 struct elink_params *params, 748 uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt, 749 uint8_t *o_buf, uint8_t); 750/********************************************************/ 751#define ELINK_ETH_HLEN 14 752/* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ 753#define ELINK_ETH_OVREHEAD (ELINK_ETH_HLEN + 8 + 8) 754#define ELINK_ETH_MIN_PACKET_SIZE 60 755#define ELINK_ETH_MAX_PACKET_SIZE 1500 756#define ELINK_ETH_MAX_JUMBO_PACKET_SIZE 9600 757#define ELINK_MDIO_ACCESS_TIMEOUT 1000 758#define WC_LANE_MAX 4 759#define I2C_SWITCH_WIDTH 2 760#define I2C_BSC0 0 761#define I2C_BSC1 1 762#define I2C_WA_RETRY_CNT 3 763#define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1) 764#define MCPR_IMC_COMMAND_READ_OP 1 765#define MCPR_IMC_COMMAND_WRITE_OP 2 766 767/* LED Blink rate that will achieve ~15.9Hz */ 768#define LED_BLINK_RATE_VAL_E3 354 769#define LED_BLINK_RATE_VAL_E1X_E2 480 770/***********************************************************/ 771/* Shortcut definitions */ 772/***********************************************************/ 773 774#define ELINK_NIG_LATCH_BC_ENABLE_MI_INT 0 775 776#define ELINK_NIG_STATUS_EMAC0_MI_INT \ 777 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT 778#define ELINK_NIG_STATUS_XGXS0_LINK10G \ 779 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G 780#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS \ 781 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS 782#define ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE \ 783 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE 784#define ELINK_NIG_STATUS_SERDES0_LINK_STATUS \ 785 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS 786#define ELINK_NIG_MASK_MI_INT \ 787 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT 788#define ELINK_NIG_MASK_XGXS0_LINK10G \ 789 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G 790#define ELINK_NIG_MASK_XGXS0_LINK_STATUS \ 791 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS 792#define ELINK_NIG_MASK_SERDES0_LINK_STATUS \ 793 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS 794 795#define ELINK_MDIO_AN_CL73_OR_37_COMPLETE \ 796 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \ 797 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE) 798 799#define ELINK_XGXS_RESET_BITS \ 800 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \ 801 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \ 802 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \ 803 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \ 804 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB) 805 806#define ELINK_SERDES_RESET_BITS \ 807 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \ 808 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \ 809 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \ 810 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD) 811 812#define ELINK_AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37 813#define ELINK_AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73 814#define ELINK_AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM 815#define ELINK_AUTONEG_PARALLEL \ 816 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION 817#define ELINK_AUTONEG_SGMII_FIBER_AUTODET \ 818 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT 819#define ELINK_AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY 820 821#define ELINK_GP_STATUS_PAUSE_RSOLUTION_TXSIDE \ 822 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE 823#define ELINK_GP_STATUS_PAUSE_RSOLUTION_RXSIDE \ 824 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE 825#define ELINK_GP_STATUS_SPEED_MASK \ 826 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK 827#define ELINK_GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M 828#define ELINK_GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M 829#define ELINK_GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G 830#define ELINK_GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G 831#define ELINK_GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G 832#define ELINK_GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G 833#define ELINK_GP_STATUS_10G_HIG \ 834 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG 835#define ELINK_GP_STATUS_10G_CX4 \ 836 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4 837#define ELINK_GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX 838#define ELINK_GP_STATUS_10G_KX4 \ 839 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4 840#define ELINK_GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR 841#define ELINK_GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI 842#define ELINK_GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS 843#define ELINK_GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI 844#define ELINK_GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2 845#define ELINK_LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD 846#define ELINK_LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD 847#define ELINK_LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD 848#define ELINK_LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4 849#define ELINK_LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD 850#define ELINK_LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD 851#define ELINK_LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD 852#define ELINK_LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD 853#define ELINK_LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD 854#define ELINK_LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD 855#define ELINK_LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD 856#define ELINK_LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD 857#define ELINK_LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD 858#define ELINK_LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD 859#define ELINK_LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD 860 861#define ELINK_LINK_UPDATE_MASK \ 862 (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \ 863 LINK_STATUS_LINK_UP | \ 864 LINK_STATUS_PHYSICAL_LINK_FLAG | \ 865 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \ 866 LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \ 867 LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \ 868 LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \ 869 LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \ 870 LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) 871 872#define ELINK_SFP_EEPROM_CON_TYPE_ADDR 0x2 873 #define ELINK_SFP_EEPROM_CON_TYPE_VAL_LC 0x7 874 #define ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21 875 #define ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22 876 877 878#define ELINK_SFP_EEPROM_COMP_CODE_ADDR 0x3 879 #define ELINK_SFP_EEPROM_COMP_CODE_SR_MASK (1<<4) 880 #define ELINK_SFP_EEPROM_COMP_CODE_LR_MASK (1<<5) 881 #define ELINK_SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6) 882 883#define ELINK_SFP_EEPROM_FC_TX_TECH_ADDR 0x8 884 #define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4 885 #define ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8 886 887#define ELINK_SFP_EEPROM_OPTIONS_ADDR 0x40 888 #define ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1 889#define ELINK_SFP_EEPROM_OPTIONS_SIZE 2 890 891#define ELINK_EDC_MODE_LINEAR 0x0022 892#define ELINK_EDC_MODE_LIMITING 0x0044 893#define ELINK_EDC_MODE_PASSIVE_DAC 0x0055 894#define ELINK_EDC_MODE_ACTIVE_DAC 0x0066 895 896/* ETS defines*/ 897#define DCBX_INVALID_COS (0xFF) 898 899#define ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000) 900#define ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000) 901#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360) 902#define ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720) 903#define ELINK_ETS_E3B0_PBF_MIN_W_VAL (10000) 904 905#define ELINK_MAX_PACKET_SIZE (9700) 906#define MAX_KR_LINK_RETRY 4 907 908/**********************************************************/ 909/* INTERFACE */ 910/**********************************************************/ 911 912#define CL22_WR_OVER_CL45(_sc, _phy, _bank, _addr, _val) \ 913 elink_cl45_write(_sc, _phy, \ 914 (_phy)->def_md_devad, \ 915 (_bank + (_addr & 0xf)), \ 916 _val) 917 918#define CL22_RD_OVER_CL45(_sc, _phy, _bank, _addr, _val) \ 919 elink_cl45_read(_sc, _phy, \ 920 (_phy)->def_md_devad, \ 921 (_bank + (_addr & 0xf)), \ 922 _val) 923 924static uint32_t elink_bits_en(struct bxe_softc *sc, uint32_t reg, uint32_t bits) 925{ 926 uint32_t val = REG_RD(sc, reg); 927 928 val |= bits; 929 REG_WR(sc, reg, val); 930 return val; 931} 932 933static uint32_t elink_bits_dis(struct bxe_softc *sc, uint32_t reg, uint32_t bits) 934{ 935 uint32_t val = REG_RD(sc, reg); 936 937 val &= ~bits; 938 REG_WR(sc, reg, val); 939 return val; 940} 941 942/* 943 * elink_check_lfa - This function checks if link reinitialization is required, 944 * or link flap can be avoided. 945 * 946 * @params: link parameters 947 * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed 948 * condition code. 949 */ 950static int elink_check_lfa(struct elink_params *params) 951{ 952 uint32_t link_status, cfg_idx, lfa_mask, cfg_size; 953 uint32_t cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config; 954 uint32_t saved_val, req_val, eee_status; 955 struct bxe_softc *sc = params->sc; 956 957 additional_config = 958 REG_RD(sc, params->lfa_base + 959 offsetof(struct shmem_lfa, additional_config)); 960 961 /* NOTE: must be first condition checked - 962 * to verify DCC bit is cleared in any case! 963 */ 964 if (additional_config & NO_LFA_DUE_TO_DCC_MASK) { 965 ELINK_DEBUG_P0(sc, "No LFA due to DCC flap after clp exit\n"); 966 REG_WR(sc, params->lfa_base + 967 offsetof(struct shmem_lfa, additional_config), 968 additional_config & ~NO_LFA_DUE_TO_DCC_MASK); 969 return LFA_DCC_LFA_DISABLED; 970 } 971 972 /* Verify that link is up */ 973 link_status = REG_RD(sc, params->shmem_base + 974 offsetof(struct shmem_region, 975 port_mb[params->port].link_status)); 976 if (!(link_status & LINK_STATUS_LINK_UP)) 977 return LFA_LINK_DOWN; 978 979 /* if loaded after BOOT from SAN, don't flap the link in any case and 980 * rely on link set by preboot driver 981 */ 982 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BOOT_FROM_SAN) 983 return 0; 984 985 /* Verify that loopback mode is not set */ 986 if (params->loopback_mode) 987 return LFA_LOOPBACK_ENABLED; 988 989 /* Verify that MFW supports LFA */ 990 if (!params->lfa_base) 991 return LFA_MFW_IS_TOO_OLD; 992 993 if (params->num_phys == 3) { 994 cfg_size = 2; 995 lfa_mask = 0xffffffff; 996 } else { 997 cfg_size = 1; 998 lfa_mask = 0xffff; 999 } 1000 1001 /* Compare Duplex */ 1002 saved_val = REG_RD(sc, params->lfa_base + 1003 offsetof(struct shmem_lfa, req_duplex)); 1004 req_val = params->req_duplex[0] | (params->req_duplex[1] << 16); 1005 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) { 1006 ELINK_DEBUG_P2(sc, "Duplex mismatch %x vs. %x\n", 1007 (saved_val & lfa_mask), (req_val & lfa_mask)); 1008 return LFA_DUPLEX_MISMATCH; 1009 } 1010 /* Compare Flow Control */ 1011 saved_val = REG_RD(sc, params->lfa_base + 1012 offsetof(struct shmem_lfa, req_flow_ctrl)); 1013 req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16); 1014 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) { 1015 ELINK_DEBUG_P2(sc, "Flow control mismatch %x vs. %x\n", 1016 (saved_val & lfa_mask), (req_val & lfa_mask)); 1017 return LFA_FLOW_CTRL_MISMATCH; 1018 } 1019 /* Compare Link Speed */ 1020 saved_val = REG_RD(sc, params->lfa_base + 1021 offsetof(struct shmem_lfa, req_line_speed)); 1022 req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16); 1023 if ((saved_val & lfa_mask) != (req_val & lfa_mask)) { 1024 ELINK_DEBUG_P2(sc, "Link speed mismatch %x vs. %x\n", 1025 (saved_val & lfa_mask), (req_val & lfa_mask)); 1026 return LFA_LINK_SPEED_MISMATCH; 1027 } 1028 1029 for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) { 1030 cur_speed_cap_mask = REG_RD(sc, params->lfa_base + 1031 offsetof(struct shmem_lfa, 1032 speed_cap_mask[cfg_idx])); 1033 1034 if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) { 1035 ELINK_DEBUG_P2(sc, "Speed Cap mismatch %x vs. %x\n", 1036 cur_speed_cap_mask, 1037 params->speed_cap_mask[cfg_idx]); 1038 return LFA_SPEED_CAP_MISMATCH; 1039 } 1040 } 1041 1042 cur_req_fc_auto_adv = 1043 REG_RD(sc, params->lfa_base + 1044 offsetof(struct shmem_lfa, additional_config)) & 1045 REQ_FC_AUTO_ADV_MASK; 1046 1047 if ((uint16_t)cur_req_fc_auto_adv != params->req_fc_auto_adv) { 1048 ELINK_DEBUG_P2(sc, "Flow Ctrl AN mismatch %x vs. %x\n", 1049 cur_req_fc_auto_adv, params->req_fc_auto_adv); 1050 return LFA_FLOW_CTRL_MISMATCH; 1051 } 1052 1053 eee_status = REG_RD(sc, params->shmem2_base + 1054 offsetof(struct shmem2_region, 1055 eee_status[params->port])); 1056 1057 if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^ 1058 (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI)) || 1059 ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^ 1060 (params->eee_mode & ELINK_EEE_MODE_ADV_LPI))) { 1061 ELINK_DEBUG_P2(sc, "EEE mismatch %x vs. %x\n", params->eee_mode, 1062 eee_status); 1063 return LFA_EEE_MISMATCH; 1064 } 1065 1066 /* LFA conditions are met */ 1067 return 0; 1068} 1069/******************************************************************/ 1070/* EPIO/GPIO section */ 1071/******************************************************************/ 1072static void elink_get_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t *en) 1073{ 1074 uint32_t epio_mask, gp_oenable; 1075 *en = 0; 1076 /* Sanity check */ 1077 if (epio_pin > 31) { 1078 ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to get\n", epio_pin); 1079 return; 1080 } 1081 1082 epio_mask = 1 << epio_pin; 1083 /* Set this EPIO to output */ 1084 gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE); 1085 REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask); 1086 1087 *en = (REG_RD(sc, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin; 1088} 1089static void elink_set_epio(struct bxe_softc *sc, uint32_t epio_pin, uint32_t en) 1090{ 1091 uint32_t epio_mask, gp_output, gp_oenable; 1092 1093 /* Sanity check */ 1094 if (epio_pin > 31) { 1095 ELINK_DEBUG_P1(sc, "Invalid EPIO pin %d to set\n", epio_pin); 1096 return; 1097 } 1098 ELINK_DEBUG_P2(sc, "Setting EPIO pin %d to %d\n", epio_pin, en); 1099 epio_mask = 1 << epio_pin; 1100 /* Set this EPIO to output */ 1101 gp_output = REG_RD(sc, MCP_REG_MCPR_GP_OUTPUTS); 1102 if (en) 1103 gp_output |= epio_mask; 1104 else 1105 gp_output &= ~epio_mask; 1106 1107 REG_WR(sc, MCP_REG_MCPR_GP_OUTPUTS, gp_output); 1108 1109 /* Set the value for this EPIO */ 1110 gp_oenable = REG_RD(sc, MCP_REG_MCPR_GP_OENABLE); 1111 REG_WR(sc, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask); 1112} 1113 1114static void elink_set_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t val) 1115{ 1116 if (pin_cfg == PIN_CFG_NA) 1117 return; 1118 if (pin_cfg >= PIN_CFG_EPIO0) { 1119 elink_set_epio(sc, pin_cfg - PIN_CFG_EPIO0, val); 1120 } else { 1121 uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3; 1122 uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2; 1123 elink_cb_gpio_write(sc, gpio_num, (uint8_t)val, gpio_port); 1124 } 1125} 1126 1127static uint32_t elink_get_cfg_pin(struct bxe_softc *sc, uint32_t pin_cfg, uint32_t *val) 1128{ 1129 if (pin_cfg == PIN_CFG_NA) 1130 return ELINK_STATUS_ERROR; 1131 if (pin_cfg >= PIN_CFG_EPIO0) { 1132 elink_get_epio(sc, pin_cfg - PIN_CFG_EPIO0, val); 1133 } else { 1134 uint8_t gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3; 1135 uint8_t gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2; 1136 *val = elink_cb_gpio_read(sc, gpio_num, gpio_port); 1137 } 1138 return ELINK_STATUS_OK; 1139 1140} 1141/******************************************************************/ 1142/* ETS section */ 1143/******************************************************************/ 1144static void elink_ets_e2e3a0_disabled(struct elink_params *params) 1145{ 1146 /* ETS disabled configuration*/ 1147 struct bxe_softc *sc = params->sc; 1148 1149 ELINK_DEBUG_P0(sc, "ETS E2E3 disabled configuration\n"); 1150 1151 /* mapping between entry priority to client number (0,1,2 -debug and 1152 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) 1153 * 3bits client num. 1154 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 1155 * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000 1156 */ 1157 1158 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688); 1159 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1160 * as strict. Bits 0,1,2 - debug and management entries, 3 - 1161 * COS0 entry, 4 - COS1 entry. 1162 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT 1163 * bit4 bit3 bit2 bit1 bit0 1164 * MCP and debug are strict 1165 */ 1166 1167 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); 1168 /* defines which entries (clients) are subjected to WFQ arbitration */ 1169 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); 1170 /* For strict priority entries defines the number of consecutive 1171 * slots for the highest priority. 1172 */ 1173 REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 1174 /* mapping between the CREDIT_WEIGHT registers and actual client 1175 * numbers 1176 */ 1177 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0); 1178 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0); 1179 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0); 1180 1181 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0); 1182 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0); 1183 REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, 0); 1184 /* ETS mode disable */ 1185 REG_WR(sc, PBF_REG_ETS_ENABLED, 0); 1186 /* If ETS mode is enabled (there is no strict priority) defines a WFQ 1187 * weight for COS0/COS1. 1188 */ 1189 REG_WR(sc, PBF_REG_COS0_WEIGHT, 0x2710); 1190 REG_WR(sc, PBF_REG_COS1_WEIGHT, 0x2710); 1191 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */ 1192 REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 0x989680); 1193 REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 0x989680); 1194 /* Defines the number of consecutive slots for the strict priority */ 1195 REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); 1196} 1197/****************************************************************************** 1198* Description: 1199* Getting min_w_val will be set according to line speed . 1200*. 1201******************************************************************************/ 1202static uint32_t elink_ets_get_min_w_val_nig(const struct elink_vars *vars) 1203{ 1204 uint32_t min_w_val = 0; 1205 /* Calculate min_w_val.*/ 1206 if (vars->link_up) { 1207 if (vars->line_speed == ELINK_SPEED_20000) 1208 min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS; 1209 else 1210 min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS; 1211 } else 1212 min_w_val = ELINK_ETS_E3B0_NIG_MIN_W_VAL_20GBPS; 1213 /* If the link isn't up (static configuration for example ) The 1214 * link will be according to 20GBPS. 1215 */ 1216 return min_w_val; 1217} 1218/****************************************************************************** 1219* Description: 1220* Getting credit upper bound form min_w_val. 1221*. 1222******************************************************************************/ 1223static uint32_t elink_ets_get_credit_upper_bound(const uint32_t min_w_val) 1224{ 1225 const uint32_t credit_upper_bound = (uint32_t)ELINK_MAXVAL((150 * min_w_val), 1226 ELINK_MAX_PACKET_SIZE); 1227 return credit_upper_bound; 1228} 1229/****************************************************************************** 1230* Description: 1231* Set credit upper bound for NIG. 1232*. 1233******************************************************************************/ 1234static void elink_ets_e3b0_set_credit_upper_bound_nig( 1235 const struct elink_params *params, 1236 const uint32_t min_w_val) 1237{ 1238 struct bxe_softc *sc = params->sc; 1239 const uint8_t port = params->port; 1240 const uint32_t credit_upper_bound = 1241 elink_ets_get_credit_upper_bound(min_w_val); 1242 1243 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 : 1244 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound); 1245 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 : 1246 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound); 1247 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 : 1248 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound); 1249 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 : 1250 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound); 1251 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 : 1252 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound); 1253 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 : 1254 NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound); 1255 1256 if (!port) { 1257 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6, 1258 credit_upper_bound); 1259 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7, 1260 credit_upper_bound); 1261 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8, 1262 credit_upper_bound); 1263 } 1264} 1265/****************************************************************************** 1266* Description: 1267* Will return the NIG ETS registers to init values.Except 1268* credit_upper_bound. 1269* That isn't used in this configuration (No WFQ is enabled) and will be 1270* configured acording to spec 1271*. 1272******************************************************************************/ 1273static void elink_ets_e3b0_nig_disabled(const struct elink_params *params, 1274 const struct elink_vars *vars) 1275{ 1276 struct bxe_softc *sc = params->sc; 1277 const uint8_t port = params->port; 1278 const uint32_t min_w_val = elink_ets_get_min_w_val_nig(vars); 1279 /* Mapping between entry priority to client number (0,1,2 -debug and 1280 * management clients, 3 - COS0 client, 4 - COS1, ... 8 - 1281 * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by 1282 * reset value or init tool 1283 */ 1284 if (port) { 1285 REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210); 1286 REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0); 1287 } else { 1288 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210); 1289 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8); 1290 } 1291 /* For strict priority entries defines the number of consecutive 1292 * slots for the highest priority. 1293 */ 1294 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS : 1295 NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 1296 /* Mapping between the CREDIT_WEIGHT registers and actual client 1297 * numbers 1298 */ 1299 if (port) { 1300 /*Port 1 has 6 COS*/ 1301 REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543); 1302 REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0); 1303 } else { 1304 /*Port 0 has 9 COS*/ 1305 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 1306 0x43210876); 1307 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5); 1308 } 1309 1310 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1311 * as strict. Bits 0,1,2 - debug and management entries, 3 - 1312 * COS0 entry, 4 - COS1 entry. 1313 * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT 1314 * bit4 bit3 bit2 bit1 bit0 1315 * MCP and debug are strict 1316 */ 1317 if (port) 1318 REG_WR(sc, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f); 1319 else 1320 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff); 1321 /* defines which entries (clients) are subjected to WFQ arbitration */ 1322 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ : 1323 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0); 1324 1325 /* Please notice the register address are note continuous and a 1326 * for here is note appropriate.In 2 port mode port0 only COS0-5 1327 * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4 1328 * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT 1329 * are never used for WFQ 1330 */ 1331 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 : 1332 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0); 1333 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 : 1334 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0); 1335 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 : 1336 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0); 1337 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 : 1338 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0); 1339 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 : 1340 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0); 1341 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 : 1342 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0); 1343 if (!port) { 1344 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0); 1345 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0); 1346 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0); 1347 } 1348 1349 elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val); 1350} 1351/****************************************************************************** 1352* Description: 1353* Set credit upper bound for PBF. 1354*. 1355******************************************************************************/ 1356static void elink_ets_e3b0_set_credit_upper_bound_pbf( 1357 const struct elink_params *params, 1358 const uint32_t min_w_val) 1359{ 1360 struct bxe_softc *sc = params->sc; 1361 const uint32_t credit_upper_bound = 1362 elink_ets_get_credit_upper_bound(min_w_val); 1363 const uint8_t port = params->port; 1364 uint32_t base_upper_bound = 0; 1365 uint8_t max_cos = 0; 1366 uint8_t i = 0; 1367 /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4 1368 * port mode port1 has COS0-2 that can be used for WFQ. 1369 */ 1370 if (!port) { 1371 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0; 1372 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0; 1373 } else { 1374 base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1; 1375 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1; 1376 } 1377 1378 for (i = 0; i < max_cos; i++) 1379 REG_WR(sc, base_upper_bound + (i << 2), credit_upper_bound); 1380} 1381 1382/****************************************************************************** 1383* Description: 1384* Will return the PBF ETS registers to init values.Except 1385* credit_upper_bound. 1386* That isn't used in this configuration (No WFQ is enabled) and will be 1387* configured acording to spec 1388*. 1389******************************************************************************/ 1390static void elink_ets_e3b0_pbf_disabled(const struct elink_params *params) 1391{ 1392 struct bxe_softc *sc = params->sc; 1393 const uint8_t port = params->port; 1394 const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL; 1395 uint8_t i = 0; 1396 uint32_t base_weight = 0; 1397 uint8_t max_cos = 0; 1398 1399 /* Mapping between entry priority to client number 0 - COS0 1400 * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num. 1401 * TODO_ETS - Should be done by reset value or init tool 1402 */ 1403 if (port) 1404 /* 0x688 (|011|0 10|00 1|000) */ 1405 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688); 1406 else 1407 /* (10 1|100 |011|0 10|00 1|000) */ 1408 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688); 1409 1410 /* TODO_ETS - Should be done by reset value or init tool */ 1411 if (port) 1412 /* 0x688 (|011|0 10|00 1|000)*/ 1413 REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688); 1414 else 1415 /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */ 1416 REG_WR(sc, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688); 1417 1418 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 : 1419 PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100); 1420 1421 1422 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 : 1423 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0); 1424 1425 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 : 1426 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0); 1427 /* In 2 port mode port0 has COS0-5 that can be used for WFQ. 1428 * In 4 port mode port1 has COS0-2 that can be used for WFQ. 1429 */ 1430 if (!port) { 1431 base_weight = PBF_REG_COS0_WEIGHT_P0; 1432 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0; 1433 } else { 1434 base_weight = PBF_REG_COS0_WEIGHT_P1; 1435 max_cos = ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1; 1436 } 1437 1438 for (i = 0; i < max_cos; i++) 1439 REG_WR(sc, base_weight + (0x4 * i), 0); 1440 1441 elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf); 1442} 1443/****************************************************************************** 1444* Description: 1445* E3B0 disable will return basicly the values to init values. 1446*. 1447******************************************************************************/ 1448static elink_status_t elink_ets_e3b0_disabled(const struct elink_params *params, 1449 const struct elink_vars *vars) 1450{ 1451 struct bxe_softc *sc = params->sc; 1452 1453 if (!CHIP_IS_E3B0(sc)) { 1454 ELINK_DEBUG_P0(sc, 1455 "elink_ets_e3b0_disabled the chip isn't E3B0\n"); 1456 return ELINK_STATUS_ERROR; 1457 } 1458 1459 elink_ets_e3b0_nig_disabled(params, vars); 1460 1461 elink_ets_e3b0_pbf_disabled(params); 1462 1463 return ELINK_STATUS_OK; 1464} 1465 1466/****************************************************************************** 1467* Description: 1468* Disable will return basicly the values to init values. 1469* 1470******************************************************************************/ 1471elink_status_t elink_ets_disabled(struct elink_params *params, 1472 struct elink_vars *vars) 1473{ 1474 struct bxe_softc *sc = params->sc; 1475 elink_status_t elink_status = ELINK_STATUS_OK; 1476 1477 if ((CHIP_IS_E2(sc)) || (CHIP_IS_E3A0(sc))) 1478 elink_ets_e2e3a0_disabled(params); 1479 else if (CHIP_IS_E3B0(sc)) 1480 elink_status = elink_ets_e3b0_disabled(params, vars); 1481 else { 1482 ELINK_DEBUG_P0(sc, "elink_ets_disabled - chip not supported\n"); 1483 return ELINK_STATUS_ERROR; 1484 } 1485 1486 return elink_status; 1487} 1488 1489/****************************************************************************** 1490* Description 1491* Set the COS mappimg to SP and BW until this point all the COS are not 1492* set as SP or BW. 1493******************************************************************************/ 1494static elink_status_t elink_ets_e3b0_cli_map(const struct elink_params *params, 1495 const struct elink_ets_params *ets_params, 1496 const uint8_t cos_sp_bitmap, 1497 const uint8_t cos_bw_bitmap) 1498{ 1499 struct bxe_softc *sc = params->sc; 1500 const uint8_t port = params->port; 1501 const uint8_t nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3); 1502 const uint8_t pbf_cli_sp_bitmap = cos_sp_bitmap; 1503 const uint8_t nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3; 1504 const uint8_t pbf_cli_subject2wfq_bitmap = cos_bw_bitmap; 1505 1506 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT : 1507 NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap); 1508 1509 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 : 1510 PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap); 1511 1512 REG_WR(sc, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ : 1513 NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 1514 nig_cli_subject2wfq_bitmap); 1515 1516 REG_WR(sc, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 : 1517 PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0, 1518 pbf_cli_subject2wfq_bitmap); 1519 1520 return ELINK_STATUS_OK; 1521} 1522 1523/****************************************************************************** 1524* Description: 1525* This function is needed because NIG ARB_CREDIT_WEIGHT_X are 1526* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable. 1527******************************************************************************/ 1528static elink_status_t elink_ets_e3b0_set_cos_bw(struct bxe_softc *sc, 1529 const uint8_t cos_entry, 1530 const uint32_t min_w_val_nig, 1531 const uint32_t min_w_val_pbf, 1532 const uint16_t total_bw, 1533 const uint8_t bw, 1534 const uint8_t port) 1535{ 1536 uint32_t nig_reg_adress_crd_weight = 0; 1537 uint32_t pbf_reg_adress_crd_weight = 0; 1538 /* Calculate and set BW for this COS - use 1 instead of 0 for BW */ 1539 const uint32_t cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw; 1540 const uint32_t cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw; 1541 1542 switch (cos_entry) { 1543 case 0: 1544 nig_reg_adress_crd_weight = 1545 (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 : 1546 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0; 1547 pbf_reg_adress_crd_weight = (port) ? 1548 PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0; 1549 break; 1550 case 1: 1551 nig_reg_adress_crd_weight = (port) ? 1552 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 : 1553 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1; 1554 pbf_reg_adress_crd_weight = (port) ? 1555 PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0; 1556 break; 1557 case 2: 1558 nig_reg_adress_crd_weight = (port) ? 1559 NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 : 1560 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2; 1561 1562 pbf_reg_adress_crd_weight = (port) ? 1563 PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0; 1564 break; 1565 case 3: 1566 if (port) 1567 return ELINK_STATUS_ERROR; 1568 nig_reg_adress_crd_weight = 1569 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3; 1570 pbf_reg_adress_crd_weight = 1571 PBF_REG_COS3_WEIGHT_P0; 1572 break; 1573 case 4: 1574 if (port) 1575 return ELINK_STATUS_ERROR; 1576 nig_reg_adress_crd_weight = 1577 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4; 1578 pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0; 1579 break; 1580 case 5: 1581 if (port) 1582 return ELINK_STATUS_ERROR; 1583 nig_reg_adress_crd_weight = 1584 NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5; 1585 pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0; 1586 break; 1587 } 1588 1589 REG_WR(sc, nig_reg_adress_crd_weight, cos_bw_nig); 1590 1591 REG_WR(sc, pbf_reg_adress_crd_weight, cos_bw_pbf); 1592 1593 return ELINK_STATUS_OK; 1594} 1595/****************************************************************************** 1596* Description: 1597* Calculate the total BW.A value of 0 isn't legal. 1598* 1599******************************************************************************/ 1600static elink_status_t elink_ets_e3b0_get_total_bw( 1601 const struct elink_params *params, 1602 struct elink_ets_params *ets_params, 1603 uint16_t *total_bw) 1604{ 1605 struct bxe_softc *sc = params->sc; 1606 uint8_t cos_idx = 0; 1607 uint8_t is_bw_cos_exist = 0; 1608 1609 *total_bw = 0 ; 1610 /* Calculate total BW requested */ 1611 for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) { 1612 if (ets_params->cos[cos_idx].state == elink_cos_state_bw) { 1613 is_bw_cos_exist = 1; 1614 if (!ets_params->cos[cos_idx].params.bw_params.bw) { 1615 ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config BW" 1616 "was set to 0\n"); 1617 /* This is to prevent a state when ramrods 1618 * can't be sent 1619 */ 1620 ets_params->cos[cos_idx].params.bw_params.bw 1621 = 1; 1622 } 1623 *total_bw += 1624 ets_params->cos[cos_idx].params.bw_params.bw; 1625 } 1626 } 1627 1628 /* Check total BW is valid */ 1629 if ((is_bw_cos_exist == 1) && (*total_bw != 100)) { 1630 if (*total_bw == 0) { 1631 ELINK_DEBUG_P0(sc, 1632 "elink_ets_E3B0_config total BW shouldn't be 0\n"); 1633 return ELINK_STATUS_ERROR; 1634 } 1635 ELINK_DEBUG_P0(sc, 1636 "elink_ets_E3B0_config total BW should be 100\n"); 1637 /* We can handle a case whre the BW isn't 100 this can happen 1638 * if the TC are joined. 1639 */ 1640 } 1641 return ELINK_STATUS_OK; 1642} 1643 1644/****************************************************************************** 1645* Description: 1646* Invalidate all the sp_pri_to_cos. 1647* 1648******************************************************************************/ 1649static void elink_ets_e3b0_sp_pri_to_cos_init(uint8_t *sp_pri_to_cos) 1650{ 1651 uint8_t pri = 0; 1652 for (pri = 0; pri < ELINK_DCBX_MAX_NUM_COS; pri++) 1653 sp_pri_to_cos[pri] = DCBX_INVALID_COS; 1654} 1655/****************************************************************************** 1656* Description: 1657* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers 1658* according to sp_pri_to_cos. 1659* 1660******************************************************************************/ 1661static elink_status_t elink_ets_e3b0_sp_pri_to_cos_set(const struct elink_params *params, 1662 uint8_t *sp_pri_to_cos, const uint8_t pri, 1663 const uint8_t cos_entry) 1664{ 1665 struct bxe_softc *sc = params->sc; 1666 const uint8_t port = params->port; 1667 const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 : 1668 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0; 1669 1670 if (pri >= max_num_of_cos) { 1671 ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid " 1672 "parameter Illegal strict priority\n"); 1673 return ELINK_STATUS_ERROR; 1674 } 1675 1676 if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) { 1677 ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_pri_to_cos_set invalid " 1678 "parameter There can't be two COS's with " 1679 "the same strict pri\n"); 1680 return ELINK_STATUS_ERROR; 1681 } 1682 1683 sp_pri_to_cos[pri] = cos_entry; 1684 return ELINK_STATUS_OK; 1685 1686} 1687 1688/****************************************************************************** 1689* Description: 1690* Returns the correct value according to COS and priority in 1691* the sp_pri_cli register. 1692* 1693******************************************************************************/ 1694static uint64_t elink_e3b0_sp_get_pri_cli_reg(const uint8_t cos, const uint8_t cos_offset, 1695 const uint8_t pri_set, 1696 const uint8_t pri_offset, 1697 const uint8_t entry_size) 1698{ 1699 uint64_t pri_cli_nig = 0; 1700 pri_cli_nig = ((uint64_t)(cos + cos_offset)) << (entry_size * 1701 (pri_set + pri_offset)); 1702 1703 return pri_cli_nig; 1704} 1705/****************************************************************************** 1706* Description: 1707* Returns the correct value according to COS and priority in the 1708* sp_pri_cli register for NIG. 1709* 1710******************************************************************************/ 1711static uint64_t elink_e3b0_sp_get_pri_cli_reg_nig(const uint8_t cos, const uint8_t pri_set) 1712{ 1713 /* MCP Dbg0 and dbg1 are always with higher strict pri*/ 1714 const uint8_t nig_cos_offset = 3; 1715 const uint8_t nig_pri_offset = 3; 1716 1717 return elink_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set, 1718 nig_pri_offset, 4); 1719 1720} 1721/****************************************************************************** 1722* Description: 1723* Returns the correct value according to COS and priority in the 1724* sp_pri_cli register for PBF. 1725* 1726******************************************************************************/ 1727static uint64_t elink_e3b0_sp_get_pri_cli_reg_pbf(const uint8_t cos, const uint8_t pri_set) 1728{ 1729 const uint8_t pbf_cos_offset = 0; 1730 const uint8_t pbf_pri_offset = 0; 1731 1732 return elink_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set, 1733 pbf_pri_offset, 3); 1734 1735} 1736 1737/****************************************************************************** 1738* Description: 1739* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers 1740* according to sp_pri_to_cos.(which COS has higher priority) 1741* 1742******************************************************************************/ 1743static elink_status_t elink_ets_e3b0_sp_set_pri_cli_reg(const struct elink_params *params, 1744 uint8_t *sp_pri_to_cos) 1745{ 1746 struct bxe_softc *sc = params->sc; 1747 uint8_t i = 0; 1748 const uint8_t port = params->port; 1749 /* MCP Dbg0 and dbg1 are always with higher strict pri*/ 1750 uint64_t pri_cli_nig = 0x210; 1751 uint32_t pri_cli_pbf = 0x0; 1752 uint8_t pri_set = 0; 1753 uint8_t pri_bitmask = 0; 1754 const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 : 1755 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0; 1756 1757 uint8_t cos_bit_to_set = (1 << max_num_of_cos) - 1; 1758 1759 /* Set all the strict priority first */ 1760 for (i = 0; i < max_num_of_cos; i++) { 1761 if (sp_pri_to_cos[i] != DCBX_INVALID_COS) { 1762 if (sp_pri_to_cos[i] >= ELINK_DCBX_MAX_NUM_COS) { 1763 ELINK_DEBUG_P0(sc, 1764 "elink_ets_e3b0_sp_set_pri_cli_reg " 1765 "invalid cos entry\n"); 1766 return ELINK_STATUS_ERROR; 1767 } 1768 1769 pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig( 1770 sp_pri_to_cos[i], pri_set); 1771 1772 pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf( 1773 sp_pri_to_cos[i], pri_set); 1774 pri_bitmask = 1 << sp_pri_to_cos[i]; 1775 /* COS is used remove it from bitmap.*/ 1776 if (!(pri_bitmask & cos_bit_to_set)) { 1777 ELINK_DEBUG_P0(sc, 1778 "elink_ets_e3b0_sp_set_pri_cli_reg " 1779 "invalid There can't be two COS's with" 1780 " the same strict pri\n"); 1781 return ELINK_STATUS_ERROR; 1782 } 1783 cos_bit_to_set &= ~pri_bitmask; 1784 pri_set++; 1785 } 1786 } 1787 1788 /* Set all the Non strict priority i= COS*/ 1789 for (i = 0; i < max_num_of_cos; i++) { 1790 pri_bitmask = 1 << i; 1791 /* Check if COS was already used for SP */ 1792 if (pri_bitmask & cos_bit_to_set) { 1793 /* COS wasn't used for SP */ 1794 pri_cli_nig |= elink_e3b0_sp_get_pri_cli_reg_nig( 1795 i, pri_set); 1796 1797 pri_cli_pbf |= elink_e3b0_sp_get_pri_cli_reg_pbf( 1798 i, pri_set); 1799 /* COS is used remove it from bitmap.*/ 1800 cos_bit_to_set &= ~pri_bitmask; 1801 pri_set++; 1802 } 1803 } 1804 1805 if (pri_set != max_num_of_cos) { 1806 ELINK_DEBUG_P0(sc, "elink_ets_e3b0_sp_set_pri_cli_reg not all " 1807 "entries were set\n"); 1808 return ELINK_STATUS_ERROR; 1809 } 1810 1811 if (port) { 1812 /* Only 6 usable clients*/ 1813 REG_WR(sc, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 1814 (uint32_t)pri_cli_nig); 1815 1816 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf); 1817 } else { 1818 /* Only 9 usable clients*/ 1819 const uint32_t pri_cli_nig_lsb = (uint32_t) (pri_cli_nig); 1820 const uint32_t pri_cli_nig_msb = (uint32_t) ((pri_cli_nig >> 32) & 0xF); 1821 1822 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 1823 pri_cli_nig_lsb); 1824 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 1825 pri_cli_nig_msb); 1826 1827 REG_WR(sc, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf); 1828 } 1829 return ELINK_STATUS_OK; 1830} 1831 1832/****************************************************************************** 1833* Description: 1834* Configure the COS to ETS according to BW and SP settings. 1835******************************************************************************/ 1836elink_status_t elink_ets_e3b0_config(const struct elink_params *params, 1837 const struct elink_vars *vars, 1838 struct elink_ets_params *ets_params) 1839{ 1840 struct bxe_softc *sc = params->sc; 1841 elink_status_t elink_status = ELINK_STATUS_OK; 1842 const uint8_t port = params->port; 1843 uint16_t total_bw = 0; 1844 const uint32_t min_w_val_nig = elink_ets_get_min_w_val_nig(vars); 1845 const uint32_t min_w_val_pbf = ELINK_ETS_E3B0_PBF_MIN_W_VAL; 1846 uint8_t cos_bw_bitmap = 0; 1847 uint8_t cos_sp_bitmap = 0; 1848 uint8_t sp_pri_to_cos[ELINK_DCBX_MAX_NUM_COS] = {0}; 1849 const uint8_t max_num_of_cos = (port) ? ELINK_DCBX_E3B0_MAX_NUM_COS_PORT1 : 1850 ELINK_DCBX_E3B0_MAX_NUM_COS_PORT0; 1851 uint8_t cos_entry = 0; 1852 1853 if (!CHIP_IS_E3B0(sc)) { 1854 ELINK_DEBUG_P0(sc, 1855 "elink_ets_e3b0_disabled the chip isn't E3B0\n"); 1856 return ELINK_STATUS_ERROR; 1857 } 1858 1859 if ((ets_params->num_of_cos > max_num_of_cos)) { 1860 ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config the number of COS " 1861 "isn't supported\n"); 1862 return ELINK_STATUS_ERROR; 1863 } 1864 1865 /* Prepare sp strict priority parameters*/ 1866 elink_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos); 1867 1868 /* Prepare BW parameters*/ 1869 elink_status = elink_ets_e3b0_get_total_bw(params, ets_params, 1870 &total_bw); 1871 if (elink_status != ELINK_STATUS_OK) { 1872 ELINK_DEBUG_P0(sc, 1873 "elink_ets_E3B0_config get_total_bw failed\n"); 1874 return ELINK_STATUS_ERROR; 1875 } 1876 1877 /* Upper bound is set according to current link speed (min_w_val 1878 * should be the same for upper bound and COS credit val). 1879 */ 1880 elink_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig); 1881 elink_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf); 1882 1883 1884 for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) { 1885 if (elink_cos_state_bw == ets_params->cos[cos_entry].state) { 1886 cos_bw_bitmap |= (1 << cos_entry); 1887 /* The function also sets the BW in HW(not the mappin 1888 * yet) 1889 */ 1890 elink_status = elink_ets_e3b0_set_cos_bw( 1891 sc, cos_entry, min_w_val_nig, min_w_val_pbf, 1892 total_bw, 1893 ets_params->cos[cos_entry].params.bw_params.bw, 1894 port); 1895 } else if (elink_cos_state_strict == 1896 ets_params->cos[cos_entry].state){ 1897 cos_sp_bitmap |= (1 << cos_entry); 1898 1899 elink_status = elink_ets_e3b0_sp_pri_to_cos_set( 1900 params, 1901 sp_pri_to_cos, 1902 ets_params->cos[cos_entry].params.sp_params.pri, 1903 cos_entry); 1904 1905 } else { 1906 ELINK_DEBUG_P0(sc, 1907 "elink_ets_e3b0_config cos state not valid\n"); 1908 return ELINK_STATUS_ERROR; 1909 } 1910 if (elink_status != ELINK_STATUS_OK) { 1911 ELINK_DEBUG_P0(sc, 1912 "elink_ets_e3b0_config set cos bw failed\n"); 1913 return elink_status; 1914 } 1915 } 1916 1917 /* Set SP register (which COS has higher priority) */ 1918 elink_status = elink_ets_e3b0_sp_set_pri_cli_reg(params, 1919 sp_pri_to_cos); 1920 1921 if (elink_status != ELINK_STATUS_OK) { 1922 ELINK_DEBUG_P0(sc, 1923 "elink_ets_E3B0_config set_pri_cli_reg failed\n"); 1924 return elink_status; 1925 } 1926 1927 /* Set client mapping of BW and strict */ 1928 elink_status = elink_ets_e3b0_cli_map(params, ets_params, 1929 cos_sp_bitmap, 1930 cos_bw_bitmap); 1931 1932 if (elink_status != ELINK_STATUS_OK) { 1933 ELINK_DEBUG_P0(sc, "elink_ets_E3B0_config SP failed\n"); 1934 return elink_status; 1935 } 1936 return ELINK_STATUS_OK; 1937} 1938static void elink_ets_bw_limit_common(const struct elink_params *params) 1939{ 1940 /* ETS disabled configuration */ 1941 struct bxe_softc *sc = params->sc; 1942 ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n"); 1943 /* Defines which entries (clients) are subjected to WFQ arbitration 1944 * COS0 0x8 1945 * COS1 0x10 1946 */ 1947 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18); 1948 /* Mapping between the ARB_CREDIT_WEIGHT registers and actual 1949 * client numbers (WEIGHT_0 does not actually have to represent 1950 * client 0) 1951 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 1952 * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010 1953 */ 1954 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A); 1955 1956 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 1957 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1958 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 1959 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1960 1961 /* ETS mode enabled*/ 1962 REG_WR(sc, PBF_REG_ETS_ENABLED, 1); 1963 1964 /* Defines the number of consecutive slots for the strict priority */ 1965 REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0); 1966 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 1967 * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0 1968 * entry, 4 - COS1 entry. 1969 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT 1970 * bit4 bit3 bit2 bit1 bit0 1971 * MCP and debug are strict 1972 */ 1973 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7); 1974 1975 /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/ 1976 REG_WR(sc, PBF_REG_COS0_UPPER_BOUND, 1977 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1978 REG_WR(sc, PBF_REG_COS1_UPPER_BOUND, 1979 ELINK_ETS_BW_LIMIT_CREDIT_UPPER_BOUND); 1980} 1981 1982void elink_ets_bw_limit(const struct elink_params *params, const uint32_t cos0_bw, 1983 const uint32_t cos1_bw) 1984{ 1985 /* ETS disabled configuration*/ 1986 struct bxe_softc *sc = params->sc; 1987 const uint32_t total_bw = cos0_bw + cos1_bw; 1988 uint32_t cos0_credit_weight = 0; 1989 uint32_t cos1_credit_weight = 0; 1990 1991 ELINK_DEBUG_P0(sc, "ETS enabled BW limit configuration\n"); 1992 1993 if ((!total_bw) || 1994 (!cos0_bw) || 1995 (!cos1_bw)) { 1996 ELINK_DEBUG_P0(sc, "Total BW can't be zero\n"); 1997 return; 1998 } 1999 2000 cos0_credit_weight = (cos0_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/ 2001 total_bw; 2002 cos1_credit_weight = (cos1_bw * ELINK_ETS_BW_LIMIT_CREDIT_WEIGHT)/ 2003 total_bw; 2004 2005 elink_ets_bw_limit_common(params); 2006 2007 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight); 2008 REG_WR(sc, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight); 2009 2010 REG_WR(sc, PBF_REG_COS0_WEIGHT, cos0_credit_weight); 2011 REG_WR(sc, PBF_REG_COS1_WEIGHT, cos1_credit_weight); 2012} 2013 2014elink_status_t elink_ets_strict(const struct elink_params *params, const uint8_t strict_cos) 2015{ 2016 /* ETS disabled configuration*/ 2017 struct bxe_softc *sc = params->sc; 2018 uint32_t val = 0; 2019 2020 ELINK_DEBUG_P0(sc, "ETS enabled strict configuration\n"); 2021 /* Bitmap of 5bits length. Each bit specifies whether the entry behaves 2022 * as strict. Bits 0,1,2 - debug and management entries, 2023 * 3 - COS0 entry, 4 - COS1 entry. 2024 * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT 2025 * bit4 bit3 bit2 bit1 bit0 2026 * MCP and debug are strict 2027 */ 2028 REG_WR(sc, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F); 2029 /* For strict priority entries defines the number of consecutive slots 2030 * for the highest priority. 2031 */ 2032 REG_WR(sc, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100); 2033 /* ETS mode disable */ 2034 REG_WR(sc, PBF_REG_ETS_ENABLED, 0); 2035 /* Defines the number of consecutive slots for the strict priority */ 2036 REG_WR(sc, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100); 2037 2038 /* Defines the number of consecutive slots for the strict priority */ 2039 REG_WR(sc, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos); 2040 2041 /* Mapping between entry priority to client number (0,1,2 -debug and 2042 * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST) 2043 * 3bits client num. 2044 * PRI4 | PRI3 | PRI2 | PRI1 | PRI0 2045 * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000 2046 * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000 2047 */ 2048 val = (!strict_cos) ? 0x2318 : 0x22E0; 2049 REG_WR(sc, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val); 2050 2051 return ELINK_STATUS_OK; 2052} 2053 2054/******************************************************************/ 2055/* PFC section */ 2056/******************************************************************/ 2057static void elink_update_pfc_xmac(struct elink_params *params, 2058 struct elink_vars *vars, 2059 uint8_t is_lb) 2060{ 2061 struct bxe_softc *sc = params->sc; 2062 uint32_t xmac_base; 2063 uint32_t pause_val, pfc0_val, pfc1_val; 2064 2065 /* XMAC base adrr */ 2066 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 2067 2068 /* Initialize pause and pfc registers */ 2069 pause_val = 0x18000; 2070 pfc0_val = 0xFFFF8000; 2071 pfc1_val = 0x2; 2072 2073 /* No PFC support */ 2074 if (!(params->feature_config_flags & 2075 ELINK_FEATURE_CONFIG_PFC_ENABLED)) { 2076 2077 /* RX flow control - Process pause frame in receive direction 2078 */ 2079 if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX) 2080 pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN; 2081 2082 /* TX flow control - Send pause packet when buffer is full */ 2083 if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX) 2084 pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN; 2085 } else {/* PFC support */ 2086 pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN | 2087 XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN | 2088 XMAC_PFC_CTRL_HI_REG_RX_PFC_EN | 2089 XMAC_PFC_CTRL_HI_REG_TX_PFC_EN | 2090 XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; 2091 /* Write pause and PFC registers */ 2092 REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); 2093 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); 2094 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); 2095 pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON; 2096 2097 } 2098 2099 /* Write pause and PFC registers */ 2100 REG_WR(sc, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val); 2101 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val); 2102 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val); 2103 2104 2105 /* Set MAC address for source TX Pause/PFC frames */ 2106 REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_LO, 2107 ((params->mac_addr[2] << 24) | 2108 (params->mac_addr[3] << 16) | 2109 (params->mac_addr[4] << 8) | 2110 (params->mac_addr[5]))); 2111 REG_WR(sc, xmac_base + XMAC_REG_CTRL_SA_HI, 2112 ((params->mac_addr[0] << 8) | 2113 (params->mac_addr[1]))); 2114 2115 DELAY(30); 2116} 2117 2118 2119static void elink_emac_get_pfc_stat(struct elink_params *params, 2120 uint32_t pfc_frames_sent[2], 2121 uint32_t pfc_frames_received[2]) 2122{ 2123 /* Read pfc statistic */ 2124 struct bxe_softc *sc = params->sc; 2125 uint32_t emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 2126 uint32_t val_xon = 0; 2127 uint32_t val_xoff = 0; 2128 2129 ELINK_DEBUG_P0(sc, "pfc statistic read from EMAC\n"); 2130 2131 /* PFC received frames */ 2132 val_xoff = REG_RD(sc, emac_base + 2133 EMAC_REG_RX_PFC_STATS_XOFF_RCVD); 2134 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT; 2135 val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD); 2136 val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT; 2137 2138 pfc_frames_received[0] = val_xon + val_xoff; 2139 2140 /* PFC received sent */ 2141 val_xoff = REG_RD(sc, emac_base + 2142 EMAC_REG_RX_PFC_STATS_XOFF_SENT); 2143 val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT; 2144 val_xon = REG_RD(sc, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT); 2145 val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT; 2146 2147 pfc_frames_sent[0] = val_xon + val_xoff; 2148} 2149 2150/* Read pfc statistic*/ 2151void elink_pfc_statistic(struct elink_params *params, struct elink_vars *vars, 2152 uint32_t pfc_frames_sent[2], 2153 uint32_t pfc_frames_received[2]) 2154{ 2155 /* Read pfc statistic */ 2156 struct bxe_softc *sc = params->sc; 2157 2158 ELINK_DEBUG_P0(sc, "pfc statistic\n"); 2159 2160 if (!vars->link_up) 2161 return; 2162 2163 if (vars->mac_type == ELINK_MAC_TYPE_EMAC) { 2164 ELINK_DEBUG_P0(sc, "About to read PFC stats from EMAC\n"); 2165 elink_emac_get_pfc_stat(params, pfc_frames_sent, 2166 pfc_frames_received); 2167 } 2168} 2169/******************************************************************/ 2170/* MAC/PBF section */ 2171/******************************************************************/ 2172static void elink_set_mdio_clk(struct bxe_softc *sc, uint32_t chip_id, 2173 uint32_t emac_base) 2174{ 2175 uint32_t new_mode, cur_mode; 2176 uint32_t clc_cnt; 2177 /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz 2178 * (a value of 49==0x31) and make sure that the AUTO poll is off 2179 */ 2180 cur_mode = REG_RD(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE); 2181 2182 if (USES_WARPCORE(sc)) 2183 clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT; 2184 else 2185 clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT; 2186 2187 if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) && 2188 (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45))) 2189 return; 2190 2191 new_mode = cur_mode & 2192 ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT); 2193 new_mode |= clc_cnt; 2194 new_mode |= (EMAC_MDIO_MODE_CLAUSE_45); 2195 2196 ELINK_DEBUG_P2(sc, "Changing emac_mode from 0x%x to 0x%x\n", 2197 cur_mode, new_mode); 2198 REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode); 2199 DELAY(40); 2200} 2201 2202static void elink_set_mdio_emac_per_phy(struct bxe_softc *sc, 2203 struct elink_params *params) 2204{ 2205 uint8_t phy_index; 2206 /* Set mdio clock per phy */ 2207 for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys; 2208 phy_index++) 2209 elink_set_mdio_clk(sc, params->chip_id, 2210 params->phy[phy_index].mdio_ctrl); 2211} 2212 2213static uint8_t elink_is_4_port_mode(struct bxe_softc *sc) 2214{ 2215 uint32_t port4mode_ovwr_val; 2216 /* Check 4-port override enabled */ 2217 port4mode_ovwr_val = REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR); 2218 if (port4mode_ovwr_val & (1<<0)) { 2219 /* Return 4-port mode override value */ 2220 return ((port4mode_ovwr_val & (1<<1)) == (1<<1)); 2221 } 2222 /* Return 4-port mode from input pin */ 2223 return (uint8_t)REG_RD(sc, MISC_REG_PORT4MODE_EN); 2224} 2225 2226static void elink_emac_init(struct elink_params *params, 2227 struct elink_vars *vars) 2228{ 2229 /* reset and unreset the emac core */ 2230 struct bxe_softc *sc = params->sc; 2231 uint8_t port = params->port; 2232 uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 2233 uint32_t val; 2234 uint16_t timeout; 2235 2236 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2237 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); 2238 DELAY(5); 2239 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2240 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port)); 2241 2242 /* init emac - use read-modify-write */ 2243 /* self clear reset */ 2244 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE); 2245 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET)); 2246 2247 timeout = 200; 2248 do { 2249 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE); 2250 ELINK_DEBUG_P1(sc, "EMAC reset reg is %u\n", val); 2251 if (!timeout) { 2252 ELINK_DEBUG_P0(sc, "EMAC timeout!\n"); 2253 return; 2254 } 2255 timeout--; 2256 } while (val & EMAC_MODE_RESET); 2257 2258 elink_set_mdio_emac_per_phy(sc, params); 2259 /* Set mac address */ 2260 val = ((params->mac_addr[0] << 8) | 2261 params->mac_addr[1]); 2262 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH, val); 2263 2264 val = ((params->mac_addr[2] << 24) | 2265 (params->mac_addr[3] << 16) | 2266 (params->mac_addr[4] << 8) | 2267 params->mac_addr[5]); 2268 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MAC_MATCH + 4, val); 2269} 2270 2271static void elink_set_xumac_nig(struct elink_params *params, 2272 uint16_t tx_pause_en, 2273 uint8_t enable) 2274{ 2275 struct bxe_softc *sc = params->sc; 2276 2277 REG_WR(sc, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN, 2278 enable); 2279 REG_WR(sc, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN, 2280 enable); 2281 REG_WR(sc, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN : 2282 NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en); 2283} 2284 2285static void elink_set_umac_rxtx(struct elink_params *params, uint8_t en) 2286{ 2287 uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 2288 uint32_t val; 2289 struct bxe_softc *sc = params->sc; 2290 if (!(REG_RD(sc, MISC_REG_RESET_REG_2) & 2291 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port))) 2292 return; 2293 val = REG_RD(sc, umac_base + UMAC_REG_COMMAND_CONFIG); 2294 if (en) 2295 val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA | 2296 UMAC_COMMAND_CONFIG_REG_RX_ENA); 2297 else 2298 val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA | 2299 UMAC_COMMAND_CONFIG_REG_RX_ENA); 2300 /* Disable RX and TX */ 2301 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val); 2302} 2303 2304static void elink_umac_enable(struct elink_params *params, 2305 struct elink_vars *vars, uint8_t lb) 2306{ 2307 uint32_t val; 2308 uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 2309 struct bxe_softc *sc = params->sc; 2310 /* Reset UMAC */ 2311 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2312 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)); 2313 DELAY(1000 * 1); 2314 2315 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2316 (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)); 2317 2318 ELINK_DEBUG_P0(sc, "enabling UMAC\n"); 2319 2320 /* This register opens the gate for the UMAC despite its name */ 2321 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 2322 2323 val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN | 2324 UMAC_COMMAND_CONFIG_REG_PAD_EN | 2325 UMAC_COMMAND_CONFIG_REG_SW_RESET | 2326 UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK; 2327 switch (vars->line_speed) { 2328 case ELINK_SPEED_10: 2329 val |= (0<<2); 2330 break; 2331 case ELINK_SPEED_100: 2332 val |= (1<<2); 2333 break; 2334 case ELINK_SPEED_1000: 2335 val |= (2<<2); 2336 break; 2337 case ELINK_SPEED_2500: 2338 val |= (3<<2); 2339 break; 2340 default: 2341 ELINK_DEBUG_P1(sc, "Invalid speed for UMAC %d\n", 2342 vars->line_speed); 2343 break; 2344 } 2345 if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_TX)) 2346 val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE; 2347 2348 if (!(vars->flow_ctrl & ELINK_FLOW_CTRL_RX)) 2349 val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE; 2350 2351 if (vars->duplex == DUPLEX_HALF) 2352 val |= UMAC_COMMAND_CONFIG_REG_HD_ENA; 2353 2354 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val); 2355 DELAY(50); 2356 2357 /* Configure UMAC for EEE */ 2358 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) { 2359 ELINK_DEBUG_P0(sc, "configured UMAC for EEE\n"); 2360 REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 2361 UMAC_UMAC_EEE_CTRL_REG_EEE_EN); 2362 REG_WR(sc, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11); 2363 } else { 2364 REG_WR(sc, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0); 2365 } 2366 2367 /* Set MAC address for source TX Pause/PFC frames (under SW reset) */ 2368 REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR0, 2369 ((params->mac_addr[2] << 24) | 2370 (params->mac_addr[3] << 16) | 2371 (params->mac_addr[4] << 8) | 2372 (params->mac_addr[5]))); 2373 REG_WR(sc, umac_base + UMAC_REG_MAC_ADDR1, 2374 ((params->mac_addr[0] << 8) | 2375 (params->mac_addr[1]))); 2376 2377 /* Enable RX and TX */ 2378 val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN; 2379 val |= UMAC_COMMAND_CONFIG_REG_TX_ENA | 2380 UMAC_COMMAND_CONFIG_REG_RX_ENA; 2381 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val); 2382 DELAY(50); 2383 2384 /* Remove SW Reset */ 2385 val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET; 2386 2387 /* Check loopback mode */ 2388 if (lb) 2389 val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA; 2390 REG_WR(sc, umac_base + UMAC_REG_COMMAND_CONFIG, val); 2391 2392 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 2393 * length used by the MAC receive logic to check frames. 2394 */ 2395 REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710); 2396 elink_set_xumac_nig(params, 2397 ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1); 2398 vars->mac_type = ELINK_MAC_TYPE_UMAC; 2399 2400} 2401 2402/* Define the XMAC mode */ 2403static void elink_xmac_init(struct elink_params *params, uint32_t max_speed) 2404{ 2405 struct bxe_softc *sc = params->sc; 2406 uint32_t is_port4mode = elink_is_4_port_mode(sc); 2407 2408 /* In 4-port mode, need to set the mode only once, so if XMAC is 2409 * already out of reset, it means the mode has already been set, 2410 * and it must not* reset the XMAC again, since it controls both 2411 * ports of the path 2412 */ 2413 2414 if (((CHIP_NUM(sc) == CHIP_NUM_57840_4_10) || 2415 (CHIP_NUM(sc) == CHIP_NUM_57840_2_20) || 2416 (CHIP_NUM(sc) == CHIP_NUM_57840_OBS)) && 2417 is_port4mode && 2418 (REG_RD(sc, MISC_REG_RESET_REG_2) & 2419 MISC_REGISTERS_RESET_REG_2_XMAC)) { 2420 ELINK_DEBUG_P0(sc, 2421 "XMAC already out of reset in 4-port mode\n"); 2422 return; 2423 } 2424 2425 /* Hard reset */ 2426 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2427 MISC_REGISTERS_RESET_REG_2_XMAC); 2428 DELAY(1000 * 1); 2429 2430 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2431 MISC_REGISTERS_RESET_REG_2_XMAC); 2432 if (is_port4mode) { 2433 ELINK_DEBUG_P0(sc, "Init XMAC to 2 ports x 10G per path\n"); 2434 2435 /* Set the number of ports on the system side to up to 2 */ 2436 REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 1); 2437 2438 /* Set the number of ports on the Warp Core to 10G */ 2439 REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3); 2440 } else { 2441 /* Set the number of ports on the system side to 1 */ 2442 REG_WR(sc, MISC_REG_XMAC_CORE_PORT_MODE, 0); 2443 if (max_speed == ELINK_SPEED_10000) { 2444 ELINK_DEBUG_P0(sc, 2445 "Init XMAC to 10G x 1 port per path\n"); 2446 /* Set the number of ports on the Warp Core to 10G */ 2447 REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 3); 2448 } else { 2449 ELINK_DEBUG_P0(sc, 2450 "Init XMAC to 20G x 2 ports per path\n"); 2451 /* Set the number of ports on the Warp Core to 20G */ 2452 REG_WR(sc, MISC_REG_XMAC_PHY_PORT_MODE, 1); 2453 } 2454 } 2455 /* Soft reset */ 2456 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2457 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT); 2458 DELAY(1000 * 1); 2459 2460 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2461 MISC_REGISTERS_RESET_REG_2_XMAC_SOFT); 2462 2463} 2464 2465static void elink_set_xmac_rxtx(struct elink_params *params, uint8_t en) 2466{ 2467 uint8_t port = params->port; 2468 struct bxe_softc *sc = params->sc; 2469 uint32_t pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 2470 uint32_t val; 2471 2472 if (REG_RD(sc, MISC_REG_RESET_REG_2) & 2473 MISC_REGISTERS_RESET_REG_2_XMAC) { 2474 /* Send an indication to change the state in the NIG back to XON 2475 * Clearing this bit enables the next set of this bit to get 2476 * rising edge 2477 */ 2478 pfc_ctrl = REG_RD(sc, xmac_base + XMAC_REG_PFC_CTRL_HI); 2479 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, 2480 (pfc_ctrl & ~(1<<1))); 2481 REG_WR(sc, xmac_base + XMAC_REG_PFC_CTRL_HI, 2482 (pfc_ctrl | (1<<1))); 2483 ELINK_DEBUG_P1(sc, "Disable XMAC on port %x\n", port); 2484 val = REG_RD(sc, xmac_base + XMAC_REG_CTRL); 2485 if (en) 2486 val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN); 2487 else 2488 val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN); 2489 REG_WR(sc, xmac_base + XMAC_REG_CTRL, val); 2490 } 2491} 2492 2493static elink_status_t elink_xmac_enable(struct elink_params *params, 2494 struct elink_vars *vars, uint8_t lb) 2495{ 2496 uint32_t val, xmac_base; 2497 struct bxe_softc *sc = params->sc; 2498 ELINK_DEBUG_P0(sc, "enabling XMAC\n"); 2499 2500 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 2501 2502 elink_xmac_init(params, vars->line_speed); 2503 2504 /* This register determines on which events the MAC will assert 2505 * error on the i/f to the NIG along w/ EOP. 2506 */ 2507 2508 /* This register tells the NIG whether to send traffic to UMAC 2509 * or XMAC 2510 */ 2511 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0); 2512 2513 /* When XMAC is in XLGMII mode, disable sending idles for fault 2514 * detection. 2515 */ 2516 if (!(params->phy[ELINK_INT_PHY].flags & ELINK_FLAGS_TX_ERROR_CHECK)) { 2517 REG_WR(sc, xmac_base + XMAC_REG_RX_LSS_CTRL, 2518 (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE | 2519 XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE)); 2520 REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0); 2521 REG_WR(sc, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 2522 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS | 2523 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS); 2524 } 2525 /* Set Max packet size */ 2526 REG_WR(sc, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710); 2527 2528 /* CRC append for Tx packets */ 2529 REG_WR(sc, xmac_base + XMAC_REG_TX_CTRL, 0xC800); 2530 2531 /* update PFC */ 2532 elink_update_pfc_xmac(params, vars, 0); 2533 2534 if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) { 2535 ELINK_DEBUG_P0(sc, "Setting XMAC for EEE\n"); 2536 REG_WR(sc, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008); 2537 REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x1); 2538 } else { 2539 REG_WR(sc, xmac_base + XMAC_REG_EEE_CTRL, 0x0); 2540 } 2541 2542 /* Enable TX and RX */ 2543 val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN; 2544 2545 /* Set MAC in XLGMII mode for dual-mode */ 2546 if ((vars->line_speed == ELINK_SPEED_20000) && 2547 (params->phy[ELINK_INT_PHY].supported & 2548 ELINK_SUPPORTED_20000baseKR2_Full)) 2549 val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB; 2550 2551 /* Check loopback mode */ 2552 if (lb) 2553 val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK; 2554 REG_WR(sc, xmac_base + XMAC_REG_CTRL, val); 2555 elink_set_xumac_nig(params, 2556 ((vars->flow_ctrl & ELINK_FLOW_CTRL_TX) != 0), 1); 2557 2558 vars->mac_type = ELINK_MAC_TYPE_XMAC; 2559 2560 return ELINK_STATUS_OK; 2561} 2562 2563static elink_status_t elink_emac_enable(struct elink_params *params, 2564 struct elink_vars *vars, uint8_t lb) 2565{ 2566 struct bxe_softc *sc = params->sc; 2567 uint8_t port = params->port; 2568 uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 2569 uint32_t val; 2570 2571 ELINK_DEBUG_P0(sc, "enabling EMAC\n"); 2572 2573 /* Disable BMAC */ 2574 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 2575 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2576 2577 /* enable emac and not bmac */ 2578 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1); 2579 2580#ifdef ELINK_INCLUDE_EMUL 2581 /* for paladium */ 2582 if (CHIP_REV_IS_EMUL(sc)) { 2583 /* Use lane 1 (of lanes 0-3) */ 2584 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); 2585 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); 2586 } 2587 /* for fpga */ 2588 else 2589#endif 2590#ifdef ELINK_INCLUDE_FPGA 2591 if (CHIP_REV_IS_FPGA(sc)) { 2592 /* Use lane 1 (of lanes 0-3) */ 2593 ELINK_DEBUG_P0(sc, "elink_emac_enable: Setting FPGA\n"); 2594 2595 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1); 2596 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); 2597 } else 2598#endif 2599 /* ASIC */ 2600 if (vars->phy_flags & PHY_XGXS_FLAG) { 2601 uint32_t ser_lane = ((params->lane_config & 2602 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 2603 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 2604 2605 ELINK_DEBUG_P0(sc, "XGXS\n"); 2606 /* select the master lanes (out of 0-3) */ 2607 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane); 2608 /* select XGXS */ 2609 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); 2610 2611 } else { /* SerDes */ 2612 ELINK_DEBUG_P0(sc, "SerDes\n"); 2613 /* select SerDes */ 2614 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); 2615 } 2616 2617 elink_bits_en(sc, emac_base + EMAC_REG_EMAC_RX_MODE, 2618 EMAC_RX_MODE_RESET); 2619 elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE, 2620 EMAC_TX_MODE_RESET); 2621 2622#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA) 2623 if (CHIP_REV_IS_SLOW(sc)) { 2624 /* config GMII mode */ 2625 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE); 2626 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII)); 2627 } else { /* ASIC */ 2628#endif 2629 /* pause enable/disable */ 2630 elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_RX_MODE, 2631 EMAC_RX_MODE_FLOW_EN); 2632 2633 elink_bits_dis(sc, emac_base + EMAC_REG_EMAC_TX_MODE, 2634 (EMAC_TX_MODE_EXT_PAUSE_EN | 2635 EMAC_TX_MODE_FLOW_EN)); 2636 if (!(params->feature_config_flags & 2637 ELINK_FEATURE_CONFIG_PFC_ENABLED)) { 2638 if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX) 2639 elink_bits_en(sc, emac_base + 2640 EMAC_REG_EMAC_RX_MODE, 2641 EMAC_RX_MODE_FLOW_EN); 2642 2643 if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX) 2644 elink_bits_en(sc, emac_base + 2645 EMAC_REG_EMAC_TX_MODE, 2646 (EMAC_TX_MODE_EXT_PAUSE_EN | 2647 EMAC_TX_MODE_FLOW_EN)); 2648 } else 2649 elink_bits_en(sc, emac_base + EMAC_REG_EMAC_TX_MODE, 2650 EMAC_TX_MODE_FLOW_EN); 2651#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA) 2652 } 2653#endif 2654 2655 /* KEEP_VLAN_TAG, promiscuous */ 2656 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_RX_MODE); 2657 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS; 2658 2659 /* Setting this bit causes MAC control frames (except for pause 2660 * frames) to be passed on for processing. This setting has no 2661 * affect on the operation of the pause frames. This bit effects 2662 * all packets regardless of RX Parser packet sorting logic. 2663 * Turn the PFC off to make sure we are in Xon state before 2664 * enabling it. 2665 */ 2666 elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 0); 2667 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) { 2668 ELINK_DEBUG_P0(sc, "PFC is enabled\n"); 2669 /* Enable PFC again */ 2670 elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_MODE, 2671 EMAC_REG_RX_PFC_MODE_RX_EN | 2672 EMAC_REG_RX_PFC_MODE_TX_EN | 2673 EMAC_REG_RX_PFC_MODE_PRIORITIES); 2674 2675 elink_cb_reg_write(sc, emac_base + EMAC_REG_RX_PFC_PARAM, 2676 ((0x0101 << 2677 EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) | 2678 (0x00ff << 2679 EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT))); 2680 val |= EMAC_RX_MODE_KEEP_MAC_CONTROL; 2681 } 2682 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MODE, val); 2683 2684 /* Set Loopback */ 2685 val = REG_RD(sc, emac_base + EMAC_REG_EMAC_MODE); 2686 if (lb) 2687 val |= 0x810; 2688 else 2689 val &= ~0x810; 2690 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_MODE, val); 2691 2692 /* Enable emac */ 2693 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 1); 2694 2695 /* Enable emac for jumbo packets */ 2696 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_RX_MTU_SIZE, 2697 (EMAC_RX_MTU_SIZE_JUMBO_ENA | 2698 (ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD))); 2699 2700 /* Strip CRC */ 2701 REG_WR(sc, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1); 2702 2703 /* Disable the NIG in/out to the bmac */ 2704 REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x0); 2705 REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); 2706 REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x0); 2707 2708 /* Enable the NIG in/out to the emac */ 2709 REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x1); 2710 val = 0; 2711 if ((params->feature_config_flags & 2712 ELINK_FEATURE_CONFIG_PFC_ENABLED) || 2713 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)) 2714 val = 1; 2715 2716 REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); 2717 REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1); 2718 2719#ifdef ELINK_INCLUDE_EMUL 2720 if (CHIP_REV_IS_EMUL(sc)) { 2721 /* Take the BigMac out of reset */ 2722 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 2723 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 2724 2725 /* Enable access for bmac registers */ 2726 REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); 2727 } else 2728#endif 2729 REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0); 2730 2731 vars->mac_type = ELINK_MAC_TYPE_EMAC; 2732 return ELINK_STATUS_OK; 2733} 2734 2735static void elink_update_pfc_bmac1(struct elink_params *params, 2736 struct elink_vars *vars) 2737{ 2738 uint32_t wb_data[2]; 2739 struct bxe_softc *sc = params->sc; 2740 uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 2741 NIG_REG_INGRESS_BMAC0_MEM; 2742 2743 uint32_t val = 0x14; 2744 if ((!(params->feature_config_flags & 2745 ELINK_FEATURE_CONFIG_PFC_ENABLED)) && 2746 (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)) 2747 /* Enable BigMAC to react on received Pause packets */ 2748 val |= (1<<5); 2749 wb_data[0] = val; 2750 wb_data[1] = 0; 2751 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2); 2752 2753 /* TX control */ 2754 val = 0xc0; 2755 if (!(params->feature_config_flags & 2756 ELINK_FEATURE_CONFIG_PFC_ENABLED) && 2757 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)) 2758 val |= 0x800000; 2759 wb_data[0] = val; 2760 wb_data[1] = 0; 2761 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2); 2762} 2763 2764static void elink_update_pfc_bmac2(struct elink_params *params, 2765 struct elink_vars *vars, 2766 uint8_t is_lb) 2767{ 2768 /* Set rx control: Strip CRC and enable BigMAC to relay 2769 * control packets to the system as well 2770 */ 2771 uint32_t wb_data[2]; 2772 struct bxe_softc *sc = params->sc; 2773 uint32_t bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 2774 NIG_REG_INGRESS_BMAC0_MEM; 2775 uint32_t val = 0x14; 2776 2777 if ((!(params->feature_config_flags & 2778 ELINK_FEATURE_CONFIG_PFC_ENABLED)) && 2779 (vars->flow_ctrl & ELINK_FLOW_CTRL_RX)) 2780 /* Enable BigMAC to react on received Pause packets */ 2781 val |= (1<<5); 2782 wb_data[0] = val; 2783 wb_data[1] = 0; 2784 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2); 2785 DELAY(30); 2786 2787 /* Tx control */ 2788 val = 0xc0; 2789 if (!(params->feature_config_flags & 2790 ELINK_FEATURE_CONFIG_PFC_ENABLED) && 2791 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)) 2792 val |= 0x800000; 2793 wb_data[0] = val; 2794 wb_data[1] = 0; 2795 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2); 2796 2797 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) { 2798 ELINK_DEBUG_P0(sc, "PFC is enabled\n"); 2799 /* Enable PFC RX & TX & STATS and set 8 COS */ 2800 wb_data[0] = 0x0; 2801 wb_data[0] |= (1<<0); /* RX */ 2802 wb_data[0] |= (1<<1); /* TX */ 2803 wb_data[0] |= (1<<2); /* Force initial Xon */ 2804 wb_data[0] |= (1<<3); /* 8 cos */ 2805 wb_data[0] |= (1<<5); /* STATS */ 2806 wb_data[1] = 0; 2807 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, 2808 wb_data, 2); 2809 /* Clear the force Xon */ 2810 wb_data[0] &= ~(1<<2); 2811 } else { 2812 ELINK_DEBUG_P0(sc, "PFC is disabled\n"); 2813 /* Disable PFC RX & TX & STATS and set 8 COS */ 2814 wb_data[0] = 0x8; 2815 wb_data[1] = 0; 2816 } 2817 2818 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2); 2819 2820 /* Set Time (based unit is 512 bit time) between automatic 2821 * re-sending of PP packets amd enable automatic re-send of 2822 * Per-Priroity Packet as long as pp_gen is asserted and 2823 * pp_disable is low. 2824 */ 2825 val = 0x8000; 2826 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) 2827 val |= (1<<16); /* enable automatic re-send */ 2828 2829 wb_data[0] = val; 2830 wb_data[1] = 0; 2831 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL, 2832 wb_data, 2); 2833 2834 /* mac control */ 2835 val = 0x3; /* Enable RX and TX */ 2836 if (is_lb) { 2837 val |= 0x4; /* Local loopback */ 2838 ELINK_DEBUG_P0(sc, "enable bmac loopback\n"); 2839 } 2840 /* When PFC enabled, Pass pause frames towards the NIG. */ 2841 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) 2842 val |= ((1<<6)|(1<<5)); 2843 2844 wb_data[0] = val; 2845 wb_data[1] = 0; 2846 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 2847} 2848 2849/****************************************************************************** 2850* Description: 2851* This function is needed because NIG ARB_CREDIT_WEIGHT_X are 2852* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable. 2853******************************************************************************/ 2854static elink_status_t elink_pfc_nig_rx_priority_mask(struct bxe_softc *sc, 2855 uint8_t cos_entry, 2856 uint32_t priority_mask, uint8_t port) 2857{ 2858 uint32_t nig_reg_rx_priority_mask_add = 0; 2859 2860 switch (cos_entry) { 2861 case 0: 2862 nig_reg_rx_priority_mask_add = (port) ? 2863 NIG_REG_P1_RX_COS0_PRIORITY_MASK : 2864 NIG_REG_P0_RX_COS0_PRIORITY_MASK; 2865 break; 2866 case 1: 2867 nig_reg_rx_priority_mask_add = (port) ? 2868 NIG_REG_P1_RX_COS1_PRIORITY_MASK : 2869 NIG_REG_P0_RX_COS1_PRIORITY_MASK; 2870 break; 2871 case 2: 2872 nig_reg_rx_priority_mask_add = (port) ? 2873 NIG_REG_P1_RX_COS2_PRIORITY_MASK : 2874 NIG_REG_P0_RX_COS2_PRIORITY_MASK; 2875 break; 2876 case 3: 2877 if (port) 2878 return ELINK_STATUS_ERROR; 2879 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK; 2880 break; 2881 case 4: 2882 if (port) 2883 return ELINK_STATUS_ERROR; 2884 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK; 2885 break; 2886 case 5: 2887 if (port) 2888 return ELINK_STATUS_ERROR; 2889 nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK; 2890 break; 2891 } 2892 2893 REG_WR(sc, nig_reg_rx_priority_mask_add, priority_mask); 2894 2895 return ELINK_STATUS_OK; 2896} 2897static void elink_update_mng(struct elink_params *params, uint32_t link_status) 2898{ 2899 struct bxe_softc *sc = params->sc; 2900 2901 REG_WR(sc, params->shmem_base + 2902 offsetof(struct shmem_region, 2903 port_mb[params->port].link_status), link_status); 2904} 2905 2906static void elink_update_link_attr(struct elink_params *params, uint32_t link_attr) 2907{ 2908 struct bxe_softc *sc = params->sc; 2909 2910 if (SHMEM2_HAS(sc, link_attr_sync)) 2911 REG_WR(sc, params->shmem2_base + 2912 offsetof(struct shmem2_region, 2913 link_attr_sync[params->port]), link_attr); 2914} 2915 2916static void elink_update_pfc_nig(struct elink_params *params, 2917 struct elink_vars *vars, 2918 struct elink_nig_brb_pfc_port_params *nig_params) 2919{ 2920 uint32_t xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0; 2921 uint32_t llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0; 2922 uint32_t pkt_priority_to_cos = 0; 2923 struct bxe_softc *sc = params->sc; 2924 uint8_t port = params->port; 2925 2926 int set_pfc = params->feature_config_flags & 2927 ELINK_FEATURE_CONFIG_PFC_ENABLED; 2928 ELINK_DEBUG_P0(sc, "updating pfc nig parameters\n"); 2929 2930 /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set 2931 * MAC control frames (that are not pause packets) 2932 * will be forwarded to the XCM. 2933 */ 2934 xcm_mask = REG_RD(sc, port ? NIG_REG_LLH1_XCM_MASK : 2935 NIG_REG_LLH0_XCM_MASK); 2936 /* NIG params will override non PFC params, since it's possible to 2937 * do transition from PFC to SAFC 2938 */ 2939 if (set_pfc) { 2940 pause_enable = 0; 2941 llfc_out_en = 0; 2942 llfc_enable = 0; 2943 if (CHIP_IS_E3(sc)) 2944 ppp_enable = 0; 2945 else 2946 ppp_enable = 1; 2947 xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : 2948 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); 2949 xcm_out_en = 0; 2950 hwpfc_enable = 1; 2951 } else { 2952 if (nig_params) { 2953 llfc_out_en = nig_params->llfc_out_en; 2954 llfc_enable = nig_params->llfc_enable; 2955 pause_enable = nig_params->pause_enable; 2956 } else /* Default non PFC mode - PAUSE */ 2957 pause_enable = 1; 2958 2959 xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN : 2960 NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN); 2961 xcm_out_en = 1; 2962 } 2963 2964 if (CHIP_IS_E3(sc)) 2965 REG_WR(sc, port ? NIG_REG_BRB1_PAUSE_IN_EN : 2966 NIG_REG_BRB0_PAUSE_IN_EN, pause_enable); 2967 REG_WR(sc, port ? NIG_REG_LLFC_OUT_EN_1 : 2968 NIG_REG_LLFC_OUT_EN_0, llfc_out_en); 2969 REG_WR(sc, port ? NIG_REG_LLFC_ENABLE_1 : 2970 NIG_REG_LLFC_ENABLE_0, llfc_enable); 2971 REG_WR(sc, port ? NIG_REG_PAUSE_ENABLE_1 : 2972 NIG_REG_PAUSE_ENABLE_0, pause_enable); 2973 2974 REG_WR(sc, port ? NIG_REG_PPP_ENABLE_1 : 2975 NIG_REG_PPP_ENABLE_0, ppp_enable); 2976 2977 REG_WR(sc, port ? NIG_REG_LLH1_XCM_MASK : 2978 NIG_REG_LLH0_XCM_MASK, xcm_mask); 2979 2980 REG_WR(sc, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 : 2981 NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7); 2982 2983 /* Output enable for RX_XCM # IF */ 2984 REG_WR(sc, port ? NIG_REG_XCM1_OUT_EN : 2985 NIG_REG_XCM0_OUT_EN, xcm_out_en); 2986 2987 /* HW PFC TX enable */ 2988 REG_WR(sc, port ? NIG_REG_P1_HWPFC_ENABLE : 2989 NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable); 2990 2991 if (nig_params) { 2992 uint8_t i = 0; 2993 pkt_priority_to_cos = nig_params->pkt_priority_to_cos; 2994 2995 for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++) 2996 elink_pfc_nig_rx_priority_mask(sc, i, 2997 nig_params->rx_cos_priority_mask[i], port); 2998 2999 REG_WR(sc, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 : 3000 NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0, 3001 nig_params->llfc_high_priority_classes); 3002 3003 REG_WR(sc, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 : 3004 NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0, 3005 nig_params->llfc_low_priority_classes); 3006 } 3007 REG_WR(sc, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS : 3008 NIG_REG_P0_PKT_PRIORITY_TO_COS, 3009 pkt_priority_to_cos); 3010} 3011 3012elink_status_t elink_update_pfc(struct elink_params *params, 3013 struct elink_vars *vars, 3014 struct elink_nig_brb_pfc_port_params *pfc_params) 3015{ 3016 /* The PFC and pause are orthogonal to one another, meaning when 3017 * PFC is enabled, the pause are disabled, and when PFC is 3018 * disabled, pause are set according to the pause result. 3019 */ 3020 uint32_t val; 3021 struct bxe_softc *sc = params->sc; 3022 elink_status_t elink_status = ELINK_STATUS_OK; 3023 uint8_t bmac_loopback = (params->loopback_mode == ELINK_LOOPBACK_BMAC); 3024 3025 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) 3026 vars->link_status |= LINK_STATUS_PFC_ENABLED; 3027 else 3028 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 3029 3030 elink_update_mng(params, vars->link_status); 3031 3032 /* Update NIG params */ 3033 elink_update_pfc_nig(params, vars, pfc_params); 3034 3035 if (!vars->link_up) 3036 return elink_status; 3037 3038 ELINK_DEBUG_P0(sc, "About to update PFC in BMAC\n"); 3039 3040 if (CHIP_IS_E3(sc)) { 3041 if (vars->mac_type == ELINK_MAC_TYPE_XMAC) 3042 elink_update_pfc_xmac(params, vars, 0); 3043 } else { 3044 val = REG_RD(sc, MISC_REG_RESET_REG_2); 3045 if ((val & 3046 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) 3047 == 0) { 3048 ELINK_DEBUG_P0(sc, "About to update PFC in EMAC\n"); 3049 elink_emac_enable(params, vars, 0); 3050 return elink_status; 3051 } 3052 if (CHIP_IS_E2(sc)) 3053 elink_update_pfc_bmac2(params, vars, bmac_loopback); 3054 else 3055 elink_update_pfc_bmac1(params, vars); 3056 3057 val = 0; 3058 if ((params->feature_config_flags & 3059 ELINK_FEATURE_CONFIG_PFC_ENABLED) || 3060 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)) 3061 val = 1; 3062 REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val); 3063 } 3064 return elink_status; 3065} 3066 3067static elink_status_t elink_bmac1_enable(struct elink_params *params, 3068 struct elink_vars *vars, 3069 uint8_t is_lb) 3070{ 3071 struct bxe_softc *sc = params->sc; 3072 uint8_t port = params->port; 3073 uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 3074 NIG_REG_INGRESS_BMAC0_MEM; 3075 uint32_t wb_data[2]; 3076 uint32_t val; 3077 3078 ELINK_DEBUG_P0(sc, "Enabling BigMAC1\n"); 3079 3080 /* XGXS control */ 3081 wb_data[0] = 0x3c; 3082 wb_data[1] = 0; 3083 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL, 3084 wb_data, 2); 3085 3086 /* TX MAC SA */ 3087 wb_data[0] = ((params->mac_addr[2] << 24) | 3088 (params->mac_addr[3] << 16) | 3089 (params->mac_addr[4] << 8) | 3090 params->mac_addr[5]); 3091 wb_data[1] = ((params->mac_addr[0] << 8) | 3092 params->mac_addr[1]); 3093 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2); 3094 3095 /* MAC control */ 3096 val = 0x3; 3097 if (is_lb) { 3098 val |= 0x4; 3099 ELINK_DEBUG_P0(sc, "enable bmac loopback\n"); 3100 } 3101 wb_data[0] = val; 3102 wb_data[1] = 0; 3103 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2); 3104 3105 /* Set rx mtu */ 3106 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD; 3107 wb_data[1] = 0; 3108 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2); 3109 3110 elink_update_pfc_bmac1(params, vars); 3111 3112 /* Set tx mtu */ 3113 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD; 3114 wb_data[1] = 0; 3115 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2); 3116 3117 /* Set cnt max size */ 3118 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD; 3119 wb_data[1] = 0; 3120 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2); 3121 3122 /* Configure SAFC */ 3123 wb_data[0] = 0x1000200; 3124 wb_data[1] = 0; 3125 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS, 3126 wb_data, 2); 3127#ifdef ELINK_INCLUDE_EMUL 3128 /* Fix for emulation */ 3129 if (CHIP_REV_IS_EMUL(sc)) { 3130 wb_data[0] = 0xf000; 3131 wb_data[1] = 0; 3132 REG_WR_DMAE(sc, bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD, 3133 wb_data, 2); 3134 } 3135#endif 3136 3137 return ELINK_STATUS_OK; 3138} 3139 3140static elink_status_t elink_bmac2_enable(struct elink_params *params, 3141 struct elink_vars *vars, 3142 uint8_t is_lb) 3143{ 3144 struct bxe_softc *sc = params->sc; 3145 uint8_t port = params->port; 3146 uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 3147 NIG_REG_INGRESS_BMAC0_MEM; 3148 uint32_t wb_data[2]; 3149 3150 ELINK_DEBUG_P0(sc, "Enabling BigMAC2\n"); 3151 3152 wb_data[0] = 0; 3153 wb_data[1] = 0; 3154 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2); 3155 DELAY(30); 3156 3157 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */ 3158 wb_data[0] = 0x3c; 3159 wb_data[1] = 0; 3160 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL, 3161 wb_data, 2); 3162 3163 DELAY(30); 3164 3165 /* TX MAC SA */ 3166 wb_data[0] = ((params->mac_addr[2] << 24) | 3167 (params->mac_addr[3] << 16) | 3168 (params->mac_addr[4] << 8) | 3169 params->mac_addr[5]); 3170 wb_data[1] = ((params->mac_addr[0] << 8) | 3171 params->mac_addr[1]); 3172 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR, 3173 wb_data, 2); 3174 3175 DELAY(30); 3176 3177 /* Configure SAFC */ 3178 wb_data[0] = 0x1000200; 3179 wb_data[1] = 0; 3180 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS, 3181 wb_data, 2); 3182 DELAY(30); 3183 3184 /* Set RX MTU */ 3185 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD; 3186 wb_data[1] = 0; 3187 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2); 3188 DELAY(30); 3189 3190 /* Set TX MTU */ 3191 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD; 3192 wb_data[1] = 0; 3193 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2); 3194 DELAY(30); 3195 /* Set cnt max size */ 3196 wb_data[0] = ELINK_ETH_MAX_JUMBO_PACKET_SIZE + ELINK_ETH_OVREHEAD - 2; 3197 wb_data[1] = 0; 3198 REG_WR_DMAE(sc, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2); 3199 DELAY(30); 3200 elink_update_pfc_bmac2(params, vars, is_lb); 3201 3202 return ELINK_STATUS_OK; 3203} 3204 3205static elink_status_t elink_bmac_enable(struct elink_params *params, 3206 struct elink_vars *vars, 3207 uint8_t is_lb, uint8_t reset_bmac) 3208{ 3209 elink_status_t rc = ELINK_STATUS_OK; 3210 uint8_t port = params->port; 3211 struct bxe_softc *sc = params->sc; 3212 uint32_t val; 3213 /* Reset and unreset the BigMac */ 3214 if (reset_bmac) { 3215 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 3216 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 3217 DELAY(1000 * 1); 3218 } 3219 3220 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 3221 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 3222 3223 /* Enable access for bmac registers */ 3224 REG_WR(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); 3225 3226 /* Enable BMAC according to BMAC type*/ 3227 if (CHIP_IS_E2(sc)) 3228 rc = elink_bmac2_enable(params, vars, is_lb); 3229 else 3230 rc = elink_bmac1_enable(params, vars, is_lb); 3231 REG_WR(sc, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); 3232 REG_WR(sc, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); 3233 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); 3234 val = 0; 3235 if ((params->feature_config_flags & 3236 ELINK_FEATURE_CONFIG_PFC_ENABLED) || 3237 (vars->flow_ctrl & ELINK_FLOW_CTRL_TX)) 3238 val = 1; 3239 REG_WR(sc, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); 3240 REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); 3241 REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0x0); 3242 REG_WR(sc, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); 3243 REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0x1); 3244 REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0x1); 3245 3246 vars->mac_type = ELINK_MAC_TYPE_BMAC; 3247 return rc; 3248} 3249 3250static void elink_set_bmac_rx(struct bxe_softc *sc, uint32_t chip_id, uint8_t port, uint8_t en) 3251{ 3252 uint32_t bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM : 3253 NIG_REG_INGRESS_BMAC0_MEM; 3254 uint32_t wb_data[2]; 3255 uint32_t nig_bmac_enable = REG_RD(sc, NIG_REG_BMAC0_REGS_OUT_EN + port*4); 3256 3257 if (CHIP_IS_E2(sc)) 3258 bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL; 3259 else 3260 bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL; 3261 /* Only if the bmac is out of reset */ 3262 if (REG_RD(sc, MISC_REG_RESET_REG_2) & 3263 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) && 3264 nig_bmac_enable) { 3265 /* Clear Rx Enable bit in BMAC_CONTROL register */ 3266 REG_RD_DMAE(sc, bmac_addr, wb_data, 2); 3267 if (en) 3268 wb_data[0] |= ELINK_BMAC_CONTROL_RX_ENABLE; 3269 else 3270 wb_data[0] &= ~ELINK_BMAC_CONTROL_RX_ENABLE; 3271 REG_WR_DMAE(sc, bmac_addr, wb_data, 2); 3272 DELAY(1000 * 1); 3273 } 3274} 3275 3276static elink_status_t elink_pbf_update(struct elink_params *params, uint32_t flow_ctrl, 3277 uint32_t line_speed) 3278{ 3279 struct bxe_softc *sc = params->sc; 3280 uint8_t port = params->port; 3281 uint32_t init_crd, crd; 3282 uint32_t count = 1000; 3283 3284 /* Disable port */ 3285 REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); 3286 3287 /* Wait for init credit */ 3288 init_crd = REG_RD(sc, PBF_REG_P0_INIT_CRD + port*4); 3289 crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8); 3290 ELINK_DEBUG_P2(sc, "init_crd 0x%x crd 0x%x\n", init_crd, crd); 3291 3292 while ((init_crd != crd) && count) { 3293 DELAY(1000 * 5); 3294 crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8); 3295 count--; 3296 } 3297 crd = REG_RD(sc, PBF_REG_P0_CREDIT + port*8); 3298 if (init_crd != crd) { 3299 ELINK_DEBUG_P2(sc, "BUG! init_crd 0x%x != crd 0x%x\n", 3300 init_crd, crd); 3301 return ELINK_STATUS_ERROR; 3302 } 3303 3304 if (flow_ctrl & ELINK_FLOW_CTRL_RX || 3305 line_speed == ELINK_SPEED_10 || 3306 line_speed == ELINK_SPEED_100 || 3307 line_speed == ELINK_SPEED_1000 || 3308 line_speed == ELINK_SPEED_2500) { 3309 REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 1); 3310 /* Update threshold */ 3311 REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, 0); 3312 /* Update init credit */ 3313 init_crd = 778; /* (800-18-4) */ 3314 3315 } else { 3316 uint32_t thresh = (ELINK_ETH_MAX_JUMBO_PACKET_SIZE + 3317 ELINK_ETH_OVREHEAD)/16; 3318 REG_WR(sc, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); 3319 /* Update threshold */ 3320 REG_WR(sc, PBF_REG_P0_ARB_THRSH + port*4, thresh); 3321 /* Update init credit */ 3322 switch (line_speed) { 3323 case ELINK_SPEED_10000: 3324 init_crd = thresh + 553 - 22; 3325 break; 3326 default: 3327 ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n", 3328 line_speed); 3329 return ELINK_STATUS_ERROR; 3330 } 3331 } 3332 REG_WR(sc, PBF_REG_P0_INIT_CRD + port*4, init_crd); 3333 ELINK_DEBUG_P2(sc, "PBF updated to speed %d credit %d\n", 3334 line_speed, init_crd); 3335 3336 /* Probe the credit changes */ 3337 REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x1); 3338 DELAY(1000 * 5); 3339 REG_WR(sc, PBF_REG_INIT_P0 + port*4, 0x0); 3340 3341 /* Enable port */ 3342 REG_WR(sc, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0); 3343 return ELINK_STATUS_OK; 3344} 3345 3346/** 3347 * elink_get_emac_base - retrive emac base address 3348 * 3349 * @bp: driver handle 3350 * @mdc_mdio_access: access type 3351 * @port: port id 3352 * 3353 * This function selects the MDC/MDIO access (through emac0 or 3354 * emac1) depend on the mdc_mdio_access, port, port swapped. Each 3355 * phy has a default access mode, which could also be overridden 3356 * by nvram configuration. This parameter, whether this is the 3357 * default phy configuration, or the nvram overrun 3358 * configuration, is passed here as mdc_mdio_access and selects 3359 * the emac_base for the CL45 read/writes operations 3360 */ 3361static uint32_t elink_get_emac_base(struct bxe_softc *sc, 3362 uint32_t mdc_mdio_access, uint8_t port) 3363{ 3364 uint32_t emac_base = 0; 3365 switch (mdc_mdio_access) { 3366 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE: 3367 break; 3368 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0: 3369 if (REG_RD(sc, NIG_REG_PORT_SWAP)) 3370 emac_base = GRCBASE_EMAC1; 3371 else 3372 emac_base = GRCBASE_EMAC0; 3373 break; 3374 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1: 3375 if (REG_RD(sc, NIG_REG_PORT_SWAP)) 3376 emac_base = GRCBASE_EMAC0; 3377 else 3378 emac_base = GRCBASE_EMAC1; 3379 break; 3380 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH: 3381 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 3382 break; 3383 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED: 3384 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1; 3385 break; 3386 default: 3387 break; 3388 } 3389 return emac_base; 3390 3391} 3392 3393/******************************************************************/ 3394/* CL22 access functions */ 3395/******************************************************************/ 3396static elink_status_t elink_cl22_write(struct bxe_softc *sc, 3397 struct elink_phy *phy, 3398 uint16_t reg, uint16_t val) 3399{ 3400 uint32_t tmp, mode; 3401 uint8_t i; 3402 elink_status_t rc = ELINK_STATUS_OK; 3403 /* Switch to CL22 */ 3404 mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 3405 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 3406 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 3407 3408 /* Address */ 3409 tmp = ((phy->addr << 21) | (reg << 16) | val | 3410 EMAC_MDIO_COMM_COMMAND_WRITE_22 | 3411 EMAC_MDIO_COMM_START_BUSY); 3412 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3413 3414 for (i = 0; i < 50; i++) { 3415 DELAY(10); 3416 3417 tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3418 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3419 DELAY(5); 3420 break; 3421 } 3422 } 3423 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3424 ELINK_DEBUG_P0(sc, "write phy register failed\n"); 3425 rc = ELINK_STATUS_TIMEOUT; 3426 } 3427 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 3428 return rc; 3429} 3430 3431static elink_status_t elink_cl22_read(struct bxe_softc *sc, 3432 struct elink_phy *phy, 3433 uint16_t reg, uint16_t *ret_val) 3434{ 3435 uint32_t val, mode; 3436 uint16_t i; 3437 elink_status_t rc = ELINK_STATUS_OK; 3438 3439 /* Switch to CL22 */ 3440 mode = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE); 3441 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, 3442 mode & ~EMAC_MDIO_MODE_CLAUSE_45); 3443 3444 /* Address */ 3445 val = ((phy->addr << 21) | (reg << 16) | 3446 EMAC_MDIO_COMM_COMMAND_READ_22 | 3447 EMAC_MDIO_COMM_START_BUSY); 3448 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3449 3450 for (i = 0; i < 50; i++) { 3451 DELAY(10); 3452 3453 val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3454 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3455 *ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA); 3456 DELAY(5); 3457 break; 3458 } 3459 } 3460 if (val & EMAC_MDIO_COMM_START_BUSY) { 3461 ELINK_DEBUG_P0(sc, "read phy register failed\n"); 3462 3463 *ret_val = 0; 3464 rc = ELINK_STATUS_TIMEOUT; 3465 } 3466 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode); 3467 return rc; 3468} 3469 3470/******************************************************************/ 3471/* CL45 access functions */ 3472/******************************************************************/ 3473static elink_status_t elink_cl45_read(struct bxe_softc *sc, struct elink_phy *phy, 3474 uint8_t devad, uint16_t reg, uint16_t *ret_val) 3475{ 3476 uint32_t val; 3477 uint16_t i; 3478 elink_status_t rc = ELINK_STATUS_OK; 3479 uint32_t chip_id; 3480 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) { 3481 chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) | 3482 ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12); 3483 elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl); 3484 } 3485 3486 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0) 3487 elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3488 EMAC_MDIO_STATUS_10MB); 3489 /* Address */ 3490 val = ((phy->addr << 21) | (devad << 16) | reg | 3491 EMAC_MDIO_COMM_COMMAND_ADDRESS | 3492 EMAC_MDIO_COMM_START_BUSY); 3493 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3494 3495 for (i = 0; i < 50; i++) { 3496 DELAY(10); 3497 3498 val = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3499 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3500 DELAY(5); 3501 break; 3502 } 3503 } 3504 if (val & EMAC_MDIO_COMM_START_BUSY) { 3505 ELINK_DEBUG_P0(sc, "read phy register failed\n"); 3506 elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n" 3507 3508 *ret_val = 0; 3509 rc = ELINK_STATUS_TIMEOUT; 3510 } else { 3511 /* Data */ 3512 val = ((phy->addr << 21) | (devad << 16) | 3513 EMAC_MDIO_COMM_COMMAND_READ_45 | 3514 EMAC_MDIO_COMM_START_BUSY); 3515 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val); 3516 3517 for (i = 0; i < 50; i++) { 3518 DELAY(10); 3519 3520 val = REG_RD(sc, phy->mdio_ctrl + 3521 EMAC_REG_EMAC_MDIO_COMM); 3522 if (!(val & EMAC_MDIO_COMM_START_BUSY)) { 3523 *ret_val = (uint16_t)(val & EMAC_MDIO_COMM_DATA); 3524 break; 3525 } 3526 } 3527 if (val & EMAC_MDIO_COMM_START_BUSY) { 3528 ELINK_DEBUG_P0(sc, "read phy register failed\n"); 3529 elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n" 3530 3531 *ret_val = 0; 3532 rc = ELINK_STATUS_TIMEOUT; 3533 } 3534 } 3535 /* Work around for E3 A0 */ 3536 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) { 3537 phy->flags ^= ELINK_FLAGS_DUMMY_READ; 3538 if (phy->flags & ELINK_FLAGS_DUMMY_READ) { 3539 uint16_t temp_val; 3540 elink_cl45_read(sc, phy, devad, 0xf, &temp_val); 3541 } 3542 } 3543 3544 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0) 3545 elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3546 EMAC_MDIO_STATUS_10MB); 3547 return rc; 3548} 3549 3550static elink_status_t elink_cl45_write(struct bxe_softc *sc, struct elink_phy *phy, 3551 uint8_t devad, uint16_t reg, uint16_t val) 3552{ 3553 uint32_t tmp; 3554 uint8_t i; 3555 elink_status_t rc = ELINK_STATUS_OK; 3556 uint32_t chip_id; 3557 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_G) { 3558 chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) | 3559 ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12); 3560 elink_set_mdio_clk(sc, chip_id, phy->mdio_ctrl); 3561 } 3562 3563 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0) 3564 elink_bits_en(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3565 EMAC_MDIO_STATUS_10MB); 3566 3567 /* Address */ 3568 tmp = ((phy->addr << 21) | (devad << 16) | reg | 3569 EMAC_MDIO_COMM_COMMAND_ADDRESS | 3570 EMAC_MDIO_COMM_START_BUSY); 3571 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3572 3573 for (i = 0; i < 50; i++) { 3574 DELAY(10); 3575 3576 tmp = REG_RD(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM); 3577 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3578 DELAY(5); 3579 break; 3580 } 3581 } 3582 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3583 ELINK_DEBUG_P0(sc, "write phy register failed\n"); 3584 elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n" 3585 3586 rc = ELINK_STATUS_TIMEOUT; 3587 } else { 3588 /* Data */ 3589 tmp = ((phy->addr << 21) | (devad << 16) | val | 3590 EMAC_MDIO_COMM_COMMAND_WRITE_45 | 3591 EMAC_MDIO_COMM_START_BUSY); 3592 REG_WR(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp); 3593 3594 for (i = 0; i < 50; i++) { 3595 DELAY(10); 3596 3597 tmp = REG_RD(sc, phy->mdio_ctrl + 3598 EMAC_REG_EMAC_MDIO_COMM); 3599 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) { 3600 DELAY(5); 3601 break; 3602 } 3603 } 3604 if (tmp & EMAC_MDIO_COMM_START_BUSY) { 3605 ELINK_DEBUG_P0(sc, "write phy register failed\n"); 3606 elink_cb_event_log(sc, ELINK_LOG_ID_MDIO_ACCESS_TIMEOUT); // "MDC/MDIO access timeout\n" 3607 3608 rc = ELINK_STATUS_TIMEOUT; 3609 } 3610 } 3611 /* Work around for E3 A0 */ 3612 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA) { 3613 phy->flags ^= ELINK_FLAGS_DUMMY_READ; 3614 if (phy->flags & ELINK_FLAGS_DUMMY_READ) { 3615 uint16_t temp_val; 3616 elink_cl45_read(sc, phy, devad, 0xf, &temp_val); 3617 } 3618 } 3619 if (phy->flags & ELINK_FLAGS_MDC_MDIO_WA_B0) 3620 elink_bits_dis(sc, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, 3621 EMAC_MDIO_STATUS_10MB); 3622 return rc; 3623} 3624 3625/******************************************************************/ 3626/* EEE section */ 3627/******************************************************************/ 3628static uint8_t elink_eee_has_cap(struct elink_params *params) 3629{ 3630 struct bxe_softc *sc = params->sc; 3631 3632 if (REG_RD(sc, params->shmem2_base) <= 3633 offsetof(struct shmem2_region, eee_status[params->port])) 3634 return 0; 3635 3636 return 1; 3637} 3638 3639static elink_status_t elink_eee_nvram_to_time(uint32_t nvram_mode, uint32_t *idle_timer) 3640{ 3641 switch (nvram_mode) { 3642 case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED: 3643 *idle_timer = ELINK_EEE_MODE_NVRAM_BALANCED_TIME; 3644 break; 3645 case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE: 3646 *idle_timer = ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME; 3647 break; 3648 case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY: 3649 *idle_timer = ELINK_EEE_MODE_NVRAM_LATENCY_TIME; 3650 break; 3651 default: 3652 *idle_timer = 0; 3653 break; 3654 } 3655 3656 return ELINK_STATUS_OK; 3657} 3658 3659static elink_status_t elink_eee_time_to_nvram(uint32_t idle_timer, uint32_t *nvram_mode) 3660{ 3661 switch (idle_timer) { 3662 case ELINK_EEE_MODE_NVRAM_BALANCED_TIME: 3663 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED; 3664 break; 3665 case ELINK_EEE_MODE_NVRAM_AGGRESSIVE_TIME: 3666 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE; 3667 break; 3668 case ELINK_EEE_MODE_NVRAM_LATENCY_TIME: 3669 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY; 3670 break; 3671 default: 3672 *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED; 3673 break; 3674 } 3675 3676 return ELINK_STATUS_OK; 3677} 3678 3679static uint32_t elink_eee_calc_timer(struct elink_params *params) 3680{ 3681 uint32_t eee_mode, eee_idle; 3682 struct bxe_softc *sc = params->sc; 3683 3684 if (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) { 3685 if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) { 3686 /* time value in eee_mode --> used directly*/ 3687 eee_idle = params->eee_mode & ELINK_EEE_MODE_TIMER_MASK; 3688 } else { 3689 /* hsi value in eee_mode --> time */ 3690 if (elink_eee_nvram_to_time(params->eee_mode & 3691 ELINK_EEE_MODE_NVRAM_MASK, 3692 &eee_idle)) 3693 return 0; 3694 } 3695 } else { 3696 /* hsi values in nvram --> time*/ 3697 eee_mode = ((REG_RD(sc, params->shmem_base + 3698 offsetof(struct shmem_region, dev_info. 3699 port_feature_config[params->port]. 3700 eee_power_mode)) & 3701 PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >> 3702 PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT); 3703 3704 if (elink_eee_nvram_to_time(eee_mode, &eee_idle)) 3705 return 0; 3706 } 3707 3708 return eee_idle; 3709} 3710 3711static elink_status_t elink_eee_set_timers(struct elink_params *params, 3712 struct elink_vars *vars) 3713{ 3714 uint32_t eee_idle = 0, eee_mode; 3715 struct bxe_softc *sc = params->sc; 3716 3717 eee_idle = elink_eee_calc_timer(params); 3718 3719 if (eee_idle) { 3720 REG_WR(sc, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2), 3721 eee_idle); 3722 } else if ((params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) && 3723 (params->eee_mode & ELINK_EEE_MODE_OVERRIDE_NVRAM) && 3724 (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME)) { 3725 ELINK_DEBUG_P0(sc, "Error: Tx LPI is enabled with timer 0\n"); 3726 return ELINK_STATUS_ERROR; 3727 } 3728 3729 vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT); 3730 if (params->eee_mode & ELINK_EEE_MODE_OUTPUT_TIME) { 3731 /* eee_idle in 1u --> eee_status in 16u */ 3732 eee_idle >>= 4; 3733 vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) | 3734 SHMEM_EEE_TIME_OUTPUT_BIT; 3735 } else { 3736 if (elink_eee_time_to_nvram(eee_idle, &eee_mode)) 3737 return ELINK_STATUS_ERROR; 3738 vars->eee_status |= eee_mode; 3739 } 3740 3741 return ELINK_STATUS_OK; 3742} 3743 3744static elink_status_t elink_eee_initial_config(struct elink_params *params, 3745 struct elink_vars *vars, uint8_t mode) 3746{ 3747 vars->eee_status |= ((uint32_t) mode) << SHMEM_EEE_SUPPORTED_SHIFT; 3748 3749 /* Propogate params' bits --> vars (for migration exposure) */ 3750 if (params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI) 3751 vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT; 3752 else 3753 vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT; 3754 3755 if (params->eee_mode & ELINK_EEE_MODE_ADV_LPI) 3756 vars->eee_status |= SHMEM_EEE_REQUESTED_BIT; 3757 else 3758 vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT; 3759 3760 return elink_eee_set_timers(params, vars); 3761} 3762 3763static elink_status_t elink_eee_disable(struct elink_phy *phy, 3764 struct elink_params *params, 3765 struct elink_vars *vars) 3766{ 3767 struct bxe_softc *sc = params->sc; 3768 3769 /* Make Certain LPI is disabled */ 3770 REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0); 3771 3772 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0); 3773 3774 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 3775 3776 return ELINK_STATUS_OK; 3777} 3778 3779static elink_status_t elink_eee_advertise(struct elink_phy *phy, 3780 struct elink_params *params, 3781 struct elink_vars *vars, uint8_t modes) 3782{ 3783 struct bxe_softc *sc = params->sc; 3784 uint16_t val = 0; 3785 3786 /* Mask events preventing LPI generation */ 3787 REG_WR(sc, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20); 3788 3789 if (modes & SHMEM_EEE_10G_ADV) { 3790 ELINK_DEBUG_P0(sc, "Advertise 10GBase-T EEE\n"); 3791 val |= 0x8; 3792 } 3793 if (modes & SHMEM_EEE_1G_ADV) { 3794 ELINK_DEBUG_P0(sc, "Advertise 1GBase-T EEE\n"); 3795 val |= 0x4; 3796 } 3797 3798 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val); 3799 3800 vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK; 3801 vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT); 3802 3803 return ELINK_STATUS_OK; 3804} 3805 3806static void elink_update_mng_eee(struct elink_params *params, uint32_t eee_status) 3807{ 3808 struct bxe_softc *sc = params->sc; 3809 3810 if (elink_eee_has_cap(params)) 3811 REG_WR(sc, params->shmem2_base + 3812 offsetof(struct shmem2_region, 3813 eee_status[params->port]), eee_status); 3814} 3815 3816static void elink_eee_an_resolve(struct elink_phy *phy, 3817 struct elink_params *params, 3818 struct elink_vars *vars) 3819{ 3820 struct bxe_softc *sc = params->sc; 3821 uint16_t adv = 0, lp = 0; 3822 uint32_t lp_adv = 0; 3823 uint8_t neg = 0; 3824 3825 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv); 3826 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp); 3827 3828 if (lp & 0x2) { 3829 lp_adv |= SHMEM_EEE_100M_ADV; 3830 if (adv & 0x2) { 3831 if (vars->line_speed == ELINK_SPEED_100) 3832 neg = 1; 3833 ELINK_DEBUG_P0(sc, "EEE negotiated - 100M\n"); 3834 } 3835 } 3836 if (lp & 0x14) { 3837 lp_adv |= SHMEM_EEE_1G_ADV; 3838 if (adv & 0x14) { 3839 if (vars->line_speed == ELINK_SPEED_1000) 3840 neg = 1; 3841 ELINK_DEBUG_P0(sc, "EEE negotiated - 1G\n"); 3842 } 3843 } 3844 if (lp & 0x68) { 3845 lp_adv |= SHMEM_EEE_10G_ADV; 3846 if (adv & 0x68) { 3847 if (vars->line_speed == ELINK_SPEED_10000) 3848 neg = 1; 3849 ELINK_DEBUG_P0(sc, "EEE negotiated - 10G\n"); 3850 } 3851 } 3852 3853 vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK; 3854 vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT); 3855 3856 if (neg) { 3857 ELINK_DEBUG_P0(sc, "EEE is active\n"); 3858 vars->eee_status |= SHMEM_EEE_ACTIVE_BIT; 3859 } 3860} 3861 3862/******************************************************************/ 3863/* BSC access functions from E3 */ 3864/******************************************************************/ 3865static void elink_bsc_module_sel(struct elink_params *params) 3866{ 3867 int idx; 3868 uint32_t board_cfg, sfp_ctrl; 3869 uint32_t i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH]; 3870 struct bxe_softc *sc = params->sc; 3871 uint8_t port = params->port; 3872 /* Read I2C output PINs */ 3873 board_cfg = REG_RD(sc, params->shmem_base + 3874 offsetof(struct shmem_region, 3875 dev_info.shared_hw_config.board)); 3876 i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK; 3877 i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >> 3878 SHARED_HW_CFG_E3_I2C_MUX1_SHIFT; 3879 3880 /* Read I2C output value */ 3881 sfp_ctrl = REG_RD(sc, params->shmem_base + 3882 offsetof(struct shmem_region, 3883 dev_info.port_hw_config[port].e3_cmn_pin_cfg)); 3884 i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0; 3885 i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0; 3886 ELINK_DEBUG_P0(sc, "Setting BSC switch\n"); 3887 for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++) 3888 elink_set_cfg_pin(sc, i2c_pins[idx], i2c_val[idx]); 3889} 3890 3891static elink_status_t elink_bsc_read(struct elink_params *params, 3892 struct bxe_softc *sc, 3893 uint8_t sl_devid, 3894 uint16_t sl_addr, 3895 uint8_t lc_addr, 3896 uint8_t xfer_cnt, 3897 uint32_t *data_array) 3898{ 3899 uint32_t val, i; 3900 elink_status_t rc = ELINK_STATUS_OK; 3901 3902 if (xfer_cnt > 16) { 3903 ELINK_DEBUG_P1(sc, "invalid xfer_cnt %d. Max is 16 bytes\n", 3904 xfer_cnt); 3905 return ELINK_STATUS_ERROR; 3906 } 3907 if (params) 3908 elink_bsc_module_sel(params); 3909 3910 xfer_cnt = 16 - lc_addr; 3911 3912 /* Enable the engine */ 3913 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND); 3914 val |= MCPR_IMC_COMMAND_ENABLE; 3915 REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val); 3916 3917 /* Program slave device ID */ 3918 val = (sl_devid << 16) | sl_addr; 3919 REG_WR(sc, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val); 3920 3921 /* Start xfer with 0 byte to update the address pointer ???*/ 3922 val = (MCPR_IMC_COMMAND_ENABLE) | 3923 (MCPR_IMC_COMMAND_WRITE_OP << 3924 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3925 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0); 3926 REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val); 3927 3928 /* Poll for completion */ 3929 i = 0; 3930 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND); 3931 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3932 DELAY(10); 3933 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND); 3934 if (i++ > 1000) { 3935 ELINK_DEBUG_P1(sc, "wr 0 byte timed out after %d try\n", 3936 i); 3937 rc = ELINK_STATUS_TIMEOUT; 3938 break; 3939 } 3940 } 3941 if (rc == ELINK_STATUS_TIMEOUT) 3942 return rc; 3943 3944 /* Start xfer with read op */ 3945 val = (MCPR_IMC_COMMAND_ENABLE) | 3946 (MCPR_IMC_COMMAND_READ_OP << 3947 MCPR_IMC_COMMAND_OPERATION_BITSHIFT) | 3948 (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | 3949 (xfer_cnt); 3950 REG_WR(sc, MCP_REG_MCPR_IMC_COMMAND, val); 3951 3952 /* Poll for completion */ 3953 i = 0; 3954 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND); 3955 while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) { 3956 DELAY(10); 3957 val = REG_RD(sc, MCP_REG_MCPR_IMC_COMMAND); 3958 if (i++ > 1000) { 3959 ELINK_DEBUG_P1(sc, "rd op timed out after %d try\n", i); 3960 rc = ELINK_STATUS_TIMEOUT; 3961 break; 3962 } 3963 } 3964 if (rc == ELINK_STATUS_TIMEOUT) 3965 return rc; 3966 3967 for (i = (lc_addr >> 2); i < 4; i++) { 3968 data_array[i] = REG_RD(sc, (MCP_REG_MCPR_IMC_DATAREG0 + i*4)); 3969#ifdef __BIG_ENDIAN 3970 data_array[i] = ((data_array[i] & 0x000000ff) << 24) | 3971 ((data_array[i] & 0x0000ff00) << 8) | 3972 ((data_array[i] & 0x00ff0000) >> 8) | 3973 ((data_array[i] & 0xff000000) >> 24); 3974#endif 3975 } 3976 return rc; 3977} 3978 3979static void elink_cl45_read_or_write(struct bxe_softc *sc, struct elink_phy *phy, 3980 uint8_t devad, uint16_t reg, uint16_t or_val) 3981{ 3982 uint16_t val; 3983 elink_cl45_read(sc, phy, devad, reg, &val); 3984 elink_cl45_write(sc, phy, devad, reg, val | or_val); 3985} 3986 3987static void elink_cl45_read_and_write(struct bxe_softc *sc, 3988 struct elink_phy *phy, 3989 uint8_t devad, uint16_t reg, uint16_t and_val) 3990{ 3991 uint16_t val; 3992 elink_cl45_read(sc, phy, devad, reg, &val); 3993 elink_cl45_write(sc, phy, devad, reg, val & and_val); 3994} 3995 3996elink_status_t elink_phy_read(struct elink_params *params, uint8_t phy_addr, 3997 uint8_t devad, uint16_t reg, uint16_t *ret_val) 3998{ 3999 uint8_t phy_index; 4000 /* Probe for the phy according to the given phy_addr, and execute 4001 * the read request on it 4002 */ 4003 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 4004 if (params->phy[phy_index].addr == phy_addr) { 4005 return elink_cl45_read(params->sc, 4006 ¶ms->phy[phy_index], devad, 4007 reg, ret_val); 4008 } 4009 } 4010 return ELINK_STATUS_ERROR; 4011} 4012 4013elink_status_t elink_phy_write(struct elink_params *params, uint8_t phy_addr, 4014 uint8_t devad, uint16_t reg, uint16_t val) 4015{ 4016 uint8_t phy_index; 4017 /* Probe for the phy according to the given phy_addr, and execute 4018 * the write request on it 4019 */ 4020 for (phy_index = 0; phy_index < params->num_phys; phy_index++) { 4021 if (params->phy[phy_index].addr == phy_addr) { 4022 return elink_cl45_write(params->sc, 4023 ¶ms->phy[phy_index], devad, 4024 reg, val); 4025 } 4026 } 4027 return ELINK_STATUS_ERROR; 4028} 4029static uint8_t elink_get_warpcore_lane(struct elink_phy *phy, 4030 struct elink_params *params) 4031{ 4032 uint8_t lane = 0; 4033 struct bxe_softc *sc = params->sc; 4034 uint32_t path_swap, path_swap_ovr; 4035 uint8_t path, port; 4036 4037 path = SC_PATH(sc); 4038 port = params->port; 4039 4040 if (elink_is_4_port_mode(sc)) { 4041 uint32_t port_swap, port_swap_ovr; 4042 4043 /* Figure out path swap value */ 4044 path_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR); 4045 if (path_swap_ovr & 0x1) 4046 path_swap = (path_swap_ovr & 0x2); 4047 else 4048 path_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PATH_SWAP); 4049 4050 if (path_swap) 4051 path = path ^ 1; 4052 4053 /* Figure out port swap value */ 4054 port_swap_ovr = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR); 4055 if (port_swap_ovr & 0x1) 4056 port_swap = (port_swap_ovr & 0x2); 4057 else 4058 port_swap = REG_RD(sc, MISC_REG_FOUR_PORT_PORT_SWAP); 4059 4060 if (port_swap) 4061 port = port ^ 1; 4062 4063 lane = (port<<1) + path; 4064 } else { /* Two port mode - no port swap */ 4065 4066 /* Figure out path swap value */ 4067 path_swap_ovr = 4068 REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP_OVWR); 4069 if (path_swap_ovr & 0x1) { 4070 path_swap = (path_swap_ovr & 0x2); 4071 } else { 4072 path_swap = 4073 REG_RD(sc, MISC_REG_TWO_PORT_PATH_SWAP); 4074 } 4075 if (path_swap) 4076 path = path ^ 1; 4077 4078 lane = path << 1 ; 4079 } 4080 return lane; 4081} 4082 4083static void elink_set_aer_mmd(struct elink_params *params, 4084 struct elink_phy *phy) 4085{ 4086 uint32_t ser_lane; 4087 uint16_t offset, aer_val; 4088 struct bxe_softc *sc = params->sc; 4089 ser_lane = ((params->lane_config & 4090 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 4091 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 4092 4093 offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ? 4094 (phy->addr + ser_lane) : 0; 4095 4096 if (USES_WARPCORE(sc)) { 4097 aer_val = elink_get_warpcore_lane(phy, params); 4098 /* In Dual-lane mode, two lanes are joined together, 4099 * so in order to configure them, the AER broadcast method is 4100 * used here. 4101 * 0x200 is the broadcast address for lanes 0,1 4102 * 0x201 is the broadcast address for lanes 2,3 4103 */ 4104 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) 4105 aer_val = (aer_val >> 1) | 0x200; 4106 } else if (CHIP_IS_E2(sc)) 4107 aer_val = 0x3800 + offset - 1; 4108 else 4109 aer_val = 0x3800 + offset; 4110 4111 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4112 MDIO_AER_BLOCK_AER_REG, aer_val); 4113 4114} 4115 4116/******************************************************************/ 4117/* Internal phy section */ 4118/******************************************************************/ 4119 4120static void elink_set_serdes_access(struct bxe_softc *sc, uint8_t port) 4121{ 4122 uint32_t emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 4123 4124 /* Set Clause 22 */ 4125 REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1); 4126 REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000); 4127 DELAY(500); 4128 REG_WR(sc, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f); 4129 DELAY(500); 4130 /* Set Clause 45 */ 4131 REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0); 4132} 4133 4134static void elink_serdes_deassert(struct bxe_softc *sc, uint8_t port) 4135{ 4136 uint32_t val; 4137 4138 ELINK_DEBUG_P0(sc, "elink_serdes_deassert\n"); 4139 4140 val = ELINK_SERDES_RESET_BITS << (port*16); 4141 4142 /* Reset and unreset the SerDes/XGXS */ 4143 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 4144 DELAY(500); 4145 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 4146 4147 elink_set_serdes_access(sc, port); 4148 4149 REG_WR(sc, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10, 4150 ELINK_DEFAULT_PHY_DEV_ADDR); 4151} 4152 4153static void elink_xgxs_specific_func(struct elink_phy *phy, 4154 struct elink_params *params, 4155 uint32_t action) 4156{ 4157 struct bxe_softc *sc = params->sc; 4158 switch (action) { 4159 case ELINK_PHY_INIT: 4160 /* Set correct devad */ 4161 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0); 4162 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18, 4163 phy->def_md_devad); 4164 break; 4165 } 4166} 4167 4168static void elink_xgxs_deassert(struct elink_params *params) 4169{ 4170 struct bxe_softc *sc = params->sc; 4171 uint8_t port; 4172 uint32_t val; 4173 ELINK_DEBUG_P0(sc, "elink_xgxs_deassert\n"); 4174 port = params->port; 4175 4176 val = ELINK_XGXS_RESET_BITS << (port*16); 4177 4178 /* Reset and unreset the SerDes/XGXS */ 4179 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); 4180 DELAY(500); 4181 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); 4182 elink_xgxs_specific_func(¶ms->phy[ELINK_INT_PHY], params, 4183 ELINK_PHY_INIT); 4184} 4185 4186static void elink_calc_ieee_aneg_adv(struct elink_phy *phy, 4187 struct elink_params *params, uint16_t *ieee_fc) 4188{ 4189 struct bxe_softc *sc = params->sc; 4190 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX; 4191 /* Resolve pause mode and advertisement Please refer to Table 4192 * 28B-3 of the 802.3ab-1999 spec 4193 */ 4194 4195 switch (phy->req_flow_ctrl) { 4196 case ELINK_FLOW_CTRL_AUTO: 4197 switch (params->req_fc_auto_adv) { 4198 case ELINK_FLOW_CTRL_BOTH: 4199 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 4200 break; 4201 case ELINK_FLOW_CTRL_RX: 4202 case ELINK_FLOW_CTRL_TX: 4203 *ieee_fc |= 4204 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 4205 break; 4206 default: 4207 break; 4208 } 4209 break; 4210 case ELINK_FLOW_CTRL_TX: 4211 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 4212 break; 4213 4214 case ELINK_FLOW_CTRL_RX: 4215 case ELINK_FLOW_CTRL_BOTH: 4216 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 4217 break; 4218 4219 case ELINK_FLOW_CTRL_NONE: 4220 default: 4221 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE; 4222 break; 4223 } 4224 ELINK_DEBUG_P1(sc, "ieee_fc = 0x%x\n", *ieee_fc); 4225} 4226 4227static void set_phy_vars(struct elink_params *params, 4228 struct elink_vars *vars) 4229{ 4230 struct bxe_softc *sc = params->sc; 4231 uint8_t actual_phy_idx, phy_index, link_cfg_idx; 4232 uint8_t phy_config_swapped = params->multi_phy_config & 4233 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 4234 for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys; 4235 phy_index++) { 4236 link_cfg_idx = ELINK_LINK_CONFIG_IDX(phy_index); 4237 actual_phy_idx = phy_index; 4238 if (phy_config_swapped) { 4239 if (phy_index == ELINK_EXT_PHY1) 4240 actual_phy_idx = ELINK_EXT_PHY2; 4241 else if (phy_index == ELINK_EXT_PHY2) 4242 actual_phy_idx = ELINK_EXT_PHY1; 4243 } 4244 params->phy[actual_phy_idx].req_flow_ctrl = 4245 params->req_flow_ctrl[link_cfg_idx]; 4246 4247 params->phy[actual_phy_idx].req_line_speed = 4248 params->req_line_speed[link_cfg_idx]; 4249 4250 params->phy[actual_phy_idx].speed_cap_mask = 4251 params->speed_cap_mask[link_cfg_idx]; 4252 4253 params->phy[actual_phy_idx].req_duplex = 4254 params->req_duplex[link_cfg_idx]; 4255 4256 if (params->req_line_speed[link_cfg_idx] == 4257 ELINK_SPEED_AUTO_NEG) 4258 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 4259 4260 ELINK_DEBUG_P3(sc, "req_flow_ctrl %x, req_line_speed %x," 4261 " speed_cap_mask %x\n", 4262 params->phy[actual_phy_idx].req_flow_ctrl, 4263 params->phy[actual_phy_idx].req_line_speed, 4264 params->phy[actual_phy_idx].speed_cap_mask); 4265 } 4266} 4267 4268static void elink_ext_phy_set_pause(struct elink_params *params, 4269 struct elink_phy *phy, 4270 struct elink_vars *vars) 4271{ 4272 uint16_t val; 4273 struct bxe_softc *sc = params->sc; 4274 /* Read modify write pause advertizing */ 4275 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val); 4276 4277 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH; 4278 4279 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 4280 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 4281 if ((vars->ieee_fc & 4282 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 4283 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 4284 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 4285 } 4286 if ((vars->ieee_fc & 4287 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 4288 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 4289 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 4290 } 4291 ELINK_DEBUG_P1(sc, "Ext phy AN advertize 0x%x\n", val); 4292 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val); 4293} 4294 4295static void elink_pause_resolve(struct elink_vars *vars, uint32_t pause_result) 4296{ /* LD LP */ 4297 switch (pause_result) { /* ASYM P ASYM P */ 4298 case 0xb: /* 1 0 1 1 */ 4299 vars->flow_ctrl = ELINK_FLOW_CTRL_TX; 4300 break; 4301 4302 case 0xe: /* 1 1 1 0 */ 4303 vars->flow_ctrl = ELINK_FLOW_CTRL_RX; 4304 break; 4305 4306 case 0x5: /* 0 1 0 1 */ 4307 case 0x7: /* 0 1 1 1 */ 4308 case 0xd: /* 1 1 0 1 */ 4309 case 0xf: /* 1 1 1 1 */ 4310 vars->flow_ctrl = ELINK_FLOW_CTRL_BOTH; 4311 break; 4312 4313 default: 4314 break; 4315 } 4316 if (pause_result & (1<<0)) 4317 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE; 4318 if (pause_result & (1<<1)) 4319 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE; 4320 4321} 4322 4323static void elink_ext_phy_update_adv_fc(struct elink_phy *phy, 4324 struct elink_params *params, 4325 struct elink_vars *vars) 4326{ 4327 uint16_t ld_pause; /* local */ 4328 uint16_t lp_pause; /* link partner */ 4329 uint16_t pause_result; 4330 struct bxe_softc *sc = params->sc; 4331 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) { 4332 elink_cl22_read(sc, phy, 0x4, &ld_pause); 4333 elink_cl22_read(sc, phy, 0x5, &lp_pause); 4334 } else if (CHIP_IS_E3(sc) && 4335 ELINK_SINGLE_MEDIA_DIRECT(params)) { 4336 uint8_t lane = elink_get_warpcore_lane(phy, params); 4337 uint16_t gp_status, gp_mask; 4338 elink_cl45_read(sc, phy, 4339 MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4, 4340 &gp_status); 4341 gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL | 4342 MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) << 4343 lane; 4344 if ((gp_status & gp_mask) == gp_mask) { 4345 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 4346 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 4347 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 4348 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 4349 } else { 4350 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 4351 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 4352 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 4353 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 4354 ld_pause = ((ld_pause & 4355 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 4356 << 3); 4357 lp_pause = ((lp_pause & 4358 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 4359 << 3); 4360 } 4361 } else { 4362 elink_cl45_read(sc, phy, 4363 MDIO_AN_DEVAD, 4364 MDIO_AN_REG_ADV_PAUSE, &ld_pause); 4365 elink_cl45_read(sc, phy, 4366 MDIO_AN_DEVAD, 4367 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause); 4368 } 4369 pause_result = (ld_pause & 4370 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8; 4371 pause_result |= (lp_pause & 4372 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10; 4373 ELINK_DEBUG_P1(sc, "Ext PHY pause result 0x%x\n", pause_result); 4374 elink_pause_resolve(vars, pause_result); 4375 4376} 4377 4378static uint8_t elink_ext_phy_resolve_fc(struct elink_phy *phy, 4379 struct elink_params *params, 4380 struct elink_vars *vars) 4381{ 4382 uint8_t ret = 0; 4383 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 4384 if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) { 4385 /* Update the advertised flow-controled of LD/LP in AN */ 4386 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) 4387 elink_ext_phy_update_adv_fc(phy, params, vars); 4388 /* But set the flow-control result as the requested one */ 4389 vars->flow_ctrl = phy->req_flow_ctrl; 4390 } else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) 4391 vars->flow_ctrl = params->req_fc_auto_adv; 4392 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 4393 ret = 1; 4394 elink_ext_phy_update_adv_fc(phy, params, vars); 4395 } 4396 return ret; 4397} 4398/******************************************************************/ 4399/* Warpcore section */ 4400/******************************************************************/ 4401/* The init_internal_warpcore should mirror the xgxs, 4402 * i.e. reset the lane (if needed), set aer for the 4403 * init configuration, and set/clear SGMII flag. Internal 4404 * phy init is done purely in phy_init stage. 4405 */ 4406#define WC_TX_DRIVER(post2, idriver, ipre) \ 4407 ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \ 4408 (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \ 4409 (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)) 4410 4411#define WC_TX_FIR(post, main, pre) \ 4412 ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \ 4413 (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \ 4414 (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET)) 4415 4416static void elink_warpcore_enable_AN_KR2(struct elink_phy *phy, 4417 struct elink_params *params, 4418 struct elink_vars *vars) 4419{ 4420 struct bxe_softc *sc = params->sc; 4421 uint16_t i; 4422 static struct elink_reg_set reg_set[] = { 4423 /* Step 1 - Program the TX/RX alignment markers */ 4424 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157}, 4425 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2}, 4426 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537}, 4427 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157}, 4428 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2}, 4429 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537}, 4430 /* Step 2 - Configure the NP registers */ 4431 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a}, 4432 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400}, 4433 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620}, 4434 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157}, 4435 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464}, 4436 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150}, 4437 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150}, 4438 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157}, 4439 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620} 4440 }; 4441 ELINK_DEBUG_P0(sc, "Enabling 20G-KR2\n"); 4442 4443 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4444 MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6)); 4445 4446 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 4447 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg, 4448 reg_set[i].val); 4449 4450 /* Start KR2 work-around timer which handles BCM8073 link-parner */ 4451 vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE; 4452 elink_update_link_attr(params, vars->link_attr_sync); 4453} 4454 4455static void elink_disable_kr2(struct elink_params *params, 4456 struct elink_vars *vars, 4457 struct elink_phy *phy) 4458{ 4459 struct bxe_softc *sc = params->sc; 4460 int i; 4461 static struct elink_reg_set reg_set[] = { 4462 /* Step 1 - Program the TX/RX alignment markers */ 4463 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690}, 4464 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647}, 4465 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0}, 4466 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690}, 4467 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647}, 4468 {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0}, 4469 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c}, 4470 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000}, 4471 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000}, 4472 {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002}, 4473 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000}, 4474 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7}, 4475 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7}, 4476 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002}, 4477 {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000} 4478 }; 4479 ELINK_DEBUG_P0(sc, "Disabling 20G-KR2\n"); 4480 4481 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 4482 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg, 4483 reg_set[i].val); 4484 vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; 4485 elink_update_link_attr(params, vars->link_attr_sync); 4486 4487 vars->check_kr2_recovery_cnt = ELINK_CHECK_KR2_RECOVERY_CNT; 4488} 4489 4490static void elink_warpcore_set_lpi_passthrough(struct elink_phy *phy, 4491 struct elink_params *params) 4492{ 4493 struct bxe_softc *sc = params->sc; 4494 4495 ELINK_DEBUG_P0(sc, "Configure WC for LPI pass through\n"); 4496 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4497 MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c); 4498 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4499 MDIO_WC_REG_DIGITAL4_MISC5, 0xc000); 4500} 4501 4502static void elink_warpcore_restart_AN_KR(struct elink_phy *phy, 4503 struct elink_params *params) 4504{ 4505 /* Restart autoneg on the leading lane only */ 4506 struct bxe_softc *sc = params->sc; 4507 uint16_t lane = elink_get_warpcore_lane(phy, params); 4508 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4509 MDIO_AER_BLOCK_AER_REG, lane); 4510 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 4511 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 4512 4513 /* Restore AER */ 4514 elink_set_aer_mmd(params, phy); 4515} 4516 4517static void elink_warpcore_enable_AN_KR(struct elink_phy *phy, 4518 struct elink_params *params, 4519 struct elink_vars *vars) { 4520 uint16_t lane, i, cl72_ctrl, an_adv = 0; 4521 struct bxe_softc *sc = params->sc; 4522 static struct elink_reg_set reg_set[] = { 4523 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 4524 {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, 4525 {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, 4526 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, 4527 /* Disable Autoneg: re-enable it after adv is done. */ 4528 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}, 4529 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}, 4530 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0}, 4531 }; 4532 ELINK_DEBUG_P0(sc, "Enable Auto Negotiation for KR\n"); 4533 /* Set to default registers that may be overriden by 10G force */ 4534 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 4535 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg, 4536 reg_set[i].val); 4537 4538 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4539 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl); 4540 cl72_ctrl &= 0x08ff; 4541 cl72_ctrl |= 0x3800; 4542 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4543 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl); 4544 4545 /* Check adding advertisement for 1G KX */ 4546 if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) && 4547 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 4548 (vars->line_speed == ELINK_SPEED_1000)) { 4549 uint16_t addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; 4550 an_adv |= (1<<5); 4551 4552 /* Enable CL37 1G Parallel Detect */ 4553 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, addr, 0x1); 4554 ELINK_DEBUG_P0(sc, "Advertize 1G\n"); 4555 } 4556 if (((vars->line_speed == ELINK_SPEED_AUTO_NEG) && 4557 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 4558 (vars->line_speed == ELINK_SPEED_10000)) { 4559 /* Check adding advertisement for 10G KR */ 4560 an_adv |= (1<<7); 4561 /* Enable 10G Parallel Detect */ 4562 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4563 MDIO_AER_BLOCK_AER_REG, 0); 4564 4565 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 4566 MDIO_WC_REG_PAR_DET_10G_CTRL, 1); 4567 elink_set_aer_mmd(params, phy); 4568 ELINK_DEBUG_P0(sc, "Advertize 10G\n"); 4569 } 4570 4571 /* Set Transmit PMD settings */ 4572 lane = elink_get_warpcore_lane(phy, params); 4573 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4574 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4575 WC_TX_DRIVER(0x02, 0x06, 0x09)); 4576 /* Configure the next lane if dual mode */ 4577 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) 4578 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4579 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1), 4580 WC_TX_DRIVER(0x02, 0x06, 0x09)); 4581 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4582 MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL, 4583 0x03f0); 4584 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4585 MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL, 4586 0x03f0); 4587 4588 /* Advertised speeds */ 4589 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 4590 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv); 4591 4592 /* Advertised and set FEC (Forward Error Correction) */ 4593 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 4594 MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, 4595 (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | 4596 MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); 4597 4598 /* Enable CL37 BAM */ 4599 if (REG_RD(sc, params->shmem_base + 4600 offsetof(struct shmem_region, dev_info. 4601 port_hw_config[params->port].default_cfg)) & 4602 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 4603 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4604 MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, 4605 1); 4606 ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n"); 4607 } 4608 4609 /* Advertise pause */ 4610 elink_ext_phy_set_pause(params, phy, vars); 4611 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; 4612 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4613 MDIO_WC_REG_DIGITAL5_MISC7, 0x100); 4614 4615 /* Over 1G - AN local device user page 1 */ 4616 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4617 MDIO_WC_REG_DIGITAL3_UP1, 0x1f); 4618 4619 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 4620 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) || 4621 (phy->req_line_speed == ELINK_SPEED_20000)) { 4622 4623 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4624 MDIO_AER_BLOCK_AER_REG, lane); 4625 4626 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4627 MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane), 4628 (1<<11)); 4629 4630 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4631 MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7); 4632 elink_set_aer_mmd(params, phy); 4633 4634 elink_warpcore_enable_AN_KR2(phy, params, vars); 4635 } else { 4636 /* Enable Auto-Detect to support 1G over CL37 as well */ 4637 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4638 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10); 4639 4640 /* Force cl48 sync_status LOW to avoid getting stuck in CL73 4641 * parallel-detect loop when CL73 and CL37 are enabled. 4642 */ 4643 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4644 MDIO_AER_BLOCK_AER_REG, 0); 4645 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4646 MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800); 4647 elink_set_aer_mmd(params, phy); 4648 4649 elink_disable_kr2(params, vars, phy); 4650 } 4651 4652 /* Enable Autoneg: only on the main lane */ 4653 elink_warpcore_restart_AN_KR(phy, params); 4654} 4655 4656static void elink_warpcore_set_10G_KR(struct elink_phy *phy, 4657 struct elink_params *params, 4658 struct elink_vars *vars) 4659{ 4660 struct bxe_softc *sc = params->sc; 4661 uint16_t val16, i, lane; 4662 static struct elink_reg_set reg_set[] = { 4663 /* Disable Autoneg */ 4664 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, 4665 {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 4666 0x3f00}, 4667 {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, 4668 {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, 4669 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, 4670 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, 4671 /* Leave cl72 training enable, needed for KR */ 4672 {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2} 4673 }; 4674 4675 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 4676 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg, 4677 reg_set[i].val); 4678 4679 lane = elink_get_warpcore_lane(phy, params); 4680 /* Global registers */ 4681 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4682 MDIO_AER_BLOCK_AER_REG, 0); 4683 /* Disable CL36 PCS Tx */ 4684 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4685 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); 4686 val16 &= ~(0x0011 << lane); 4687 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4688 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); 4689 4690 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4691 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); 4692 val16 |= (0x0303 << (lane << 1)); 4693 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4694 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); 4695 /* Restore AER */ 4696 elink_set_aer_mmd(params, phy); 4697 /* Set speed via PMA/PMD register */ 4698 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 4699 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); 4700 4701 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 4702 MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB); 4703 4704 /* Enable encoded forced speed */ 4705 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4706 MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30); 4707 4708 /* Turn TX scramble payload only the 64/66 scrambler */ 4709 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4710 MDIO_WC_REG_TX66_CONTROL, 0x9); 4711 4712 /* Turn RX scramble payload only the 64/66 scrambler */ 4713 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4714 MDIO_WC_REG_RX66_CONTROL, 0xF9); 4715 4716 /* Set and clear loopback to cause a reset to 64/66 decoder */ 4717 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4718 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000); 4719 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4720 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0); 4721 4722} 4723 4724static void elink_warpcore_set_10G_XFI(struct elink_phy *phy, 4725 struct elink_params *params, 4726 uint8_t is_xfi) 4727{ 4728 struct bxe_softc *sc = params->sc; 4729 uint16_t misc1_val, tap_val, tx_driver_val, lane, val; 4730 uint32_t cfg_tap_val, tx_drv_brdct, tx_equal; 4731 4732 /* Hold rxSeqStart */ 4733 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4734 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000); 4735 4736 /* Hold tx_fifo_reset */ 4737 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4738 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1); 4739 4740 /* Disable CL73 AN */ 4741 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0); 4742 4743 /* Disable 100FX Enable and Auto-Detect */ 4744 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4745 MDIO_WC_REG_FX100_CTRL1, 0xFFFA); 4746 4747 /* Disable 100FX Idle detect */ 4748 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4749 MDIO_WC_REG_FX100_CTRL3, 0x0080); 4750 4751 /* Set Block address to Remote PHY & Clear forced_speed[5] */ 4752 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4753 MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F); 4754 4755 /* Turn off auto-detect & fiber mode */ 4756 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4757 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 4758 0xFFEE); 4759 4760 /* Set filter_force_link, disable_false_link and parallel_detect */ 4761 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4762 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val); 4763 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4764 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 4765 ((val | 0x0006) & 0xFFFE)); 4766 4767 /* Set XFI / SFI */ 4768 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4769 MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val); 4770 4771 misc1_val &= ~(0x1f); 4772 4773 if (is_xfi) { 4774 misc1_val |= 0x5; 4775 tap_val = WC_TX_FIR(0x08, 0x37, 0x00); 4776 tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03); 4777 } else { 4778 cfg_tap_val = REG_RD(sc, params->shmem_base + 4779 offsetof(struct shmem_region, dev_info. 4780 port_hw_config[params->port]. 4781 sfi_tap_values)); 4782 4783 tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK; 4784 4785 tx_drv_brdct = (cfg_tap_val & 4786 PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >> 4787 PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT; 4788 4789 misc1_val |= 0x9; 4790 4791 /* TAP values are controlled by nvram, if value there isn't 0 */ 4792 if (tx_equal) 4793 tap_val = (uint16_t)tx_equal; 4794 else 4795 tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02); 4796 4797 if (tx_drv_brdct) 4798 tx_driver_val = WC_TX_DRIVER(0x03, (uint16_t)tx_drv_brdct, 4799 0x06); 4800 else 4801 tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06); 4802 } 4803 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4804 MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val); 4805 4806 /* Set Transmit PMD settings */ 4807 lane = elink_get_warpcore_lane(phy, params); 4808 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4809 MDIO_WC_REG_TX_FIR_TAP, 4810 tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE); 4811 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4812 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4813 tx_driver_val); 4814 4815 /* Enable fiber mode, enable and invert sig_det */ 4816 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4817 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd); 4818 4819 /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */ 4820 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4821 MDIO_WC_REG_DIGITAL4_MISC3, 0x8080); 4822 4823 elink_warpcore_set_lpi_passthrough(phy, params); 4824 4825 /* 10G XFI Full Duplex */ 4826 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4827 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100); 4828 4829 /* Release tx_fifo_reset */ 4830 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4831 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 4832 0xFFFE); 4833 /* Release rxSeqStart */ 4834 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4835 MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF); 4836} 4837 4838static void elink_warpcore_set_20G_force_KR2(struct elink_phy *phy, 4839 struct elink_params *params) 4840{ 4841 uint16_t val; 4842 struct bxe_softc *sc = params->sc; 4843 /* Set global registers, so set AER lane to 0 */ 4844 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4845 MDIO_AER_BLOCK_AER_REG, 0); 4846 4847 /* Disable sequencer */ 4848 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4849 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13)); 4850 4851 elink_set_aer_mmd(params, phy); 4852 4853 elink_cl45_read_and_write(sc, phy, MDIO_PMA_DEVAD, 4854 MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1)); 4855 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 4856 MDIO_AN_REG_CTRL, 0); 4857 /* Turn off CL73 */ 4858 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4859 MDIO_WC_REG_CL73_USERB0_CTRL, &val); 4860 val &= ~(1<<5); 4861 val |= (1<<6); 4862 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4863 MDIO_WC_REG_CL73_USERB0_CTRL, val); 4864 4865 /* Set 20G KR2 force speed */ 4866 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4867 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f); 4868 4869 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4870 MDIO_WC_REG_DIGITAL4_MISC3, (1<<7)); 4871 4872 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4873 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val); 4874 val &= ~(3<<14); 4875 val |= (1<<15); 4876 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4877 MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val); 4878 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4879 MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A); 4880 4881 /* Enable sequencer (over lane 0) */ 4882 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 4883 MDIO_AER_BLOCK_AER_REG, 0); 4884 4885 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4886 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13)); 4887 4888 elink_set_aer_mmd(params, phy); 4889} 4890 4891static void elink_warpcore_set_20G_DXGXS(struct bxe_softc *sc, 4892 struct elink_phy *phy, 4893 uint16_t lane) 4894{ 4895 /* Rx0 anaRxControl1G */ 4896 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4897 MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90); 4898 4899 /* Rx2 anaRxControl1G */ 4900 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4901 MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90); 4902 4903 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4904 MDIO_WC_REG_RX66_SCW0, 0xE070); 4905 4906 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4907 MDIO_WC_REG_RX66_SCW1, 0xC0D0); 4908 4909 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4910 MDIO_WC_REG_RX66_SCW2, 0xA0B0); 4911 4912 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4913 MDIO_WC_REG_RX66_SCW3, 0x8090); 4914 4915 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4916 MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0); 4917 4918 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4919 MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0); 4920 4921 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4922 MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0); 4923 4924 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4925 MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0); 4926 4927 /* Serdes Digital Misc1 */ 4928 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4929 MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008); 4930 4931 /* Serdes Digital4 Misc3 */ 4932 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4933 MDIO_WC_REG_DIGITAL4_MISC3, 0x8088); 4934 4935 /* Set Transmit PMD settings */ 4936 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4937 MDIO_WC_REG_TX_FIR_TAP, 4938 (WC_TX_FIR(0x12, 0x2d, 0x00) | 4939 MDIO_WC_REG_TX_FIR_TAP_ENABLE)); 4940 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4941 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 4942 WC_TX_DRIVER(0x02, 0x02, 0x02)); 4943} 4944 4945static void elink_warpcore_set_sgmii_speed(struct elink_phy *phy, 4946 struct elink_params *params, 4947 uint8_t fiber_mode, 4948 uint8_t always_autoneg) 4949{ 4950 struct bxe_softc *sc = params->sc; 4951 uint16_t val16, digctrl_kx1, digctrl_kx2; 4952 4953 /* Clear XFI clock comp in non-10G single lane mode. */ 4954 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 4955 MDIO_WC_REG_RX66_CONTROL, ~(3<<13)); 4956 4957 elink_warpcore_set_lpi_passthrough(phy, params); 4958 4959 if (always_autoneg || phy->req_line_speed == ELINK_SPEED_AUTO_NEG) { 4960 /* SGMII Autoneg */ 4961 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 4962 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 4963 0x1000); 4964 ELINK_DEBUG_P0(sc, "set SGMII AUTONEG\n"); 4965 } else { 4966 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4967 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4968 val16 &= 0xcebf; 4969 switch (phy->req_line_speed) { 4970 case ELINK_SPEED_10: 4971 break; 4972 case ELINK_SPEED_100: 4973 val16 |= 0x2000; 4974 break; 4975 case ELINK_SPEED_1000: 4976 val16 |= 0x0040; 4977 break; 4978 default: 4979 ELINK_DEBUG_P1(sc, 4980 "Speed not supported: 0x%x\n", phy->req_line_speed); 4981 return; 4982 } 4983 4984 if (phy->req_duplex == DUPLEX_FULL) 4985 val16 |= 0x0100; 4986 4987 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 4988 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16); 4989 4990 ELINK_DEBUG_P1(sc, "set SGMII force speed %d\n", 4991 phy->req_line_speed); 4992 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4993 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16); 4994 ELINK_DEBUG_P1(sc, " (readback) %x\n", val16); 4995 } 4996 4997 /* SGMII Slave mode and disable signal detect */ 4998 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 4999 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1); 5000 if (fiber_mode) 5001 digctrl_kx1 = 1; 5002 else 5003 digctrl_kx1 &= 0xff4a; 5004 5005 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5006 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 5007 digctrl_kx1); 5008 5009 /* Turn off parallel detect */ 5010 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 5011 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2); 5012 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5013 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 5014 (digctrl_kx2 & ~(1<<2))); 5015 5016 /* Re-enable parallel detect */ 5017 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5018 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 5019 (digctrl_kx2 | (1<<2))); 5020 5021 /* Enable autodet */ 5022 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5023 MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 5024 (digctrl_kx1 | 0x10)); 5025} 5026 5027 5028static void elink_warpcore_reset_lane(struct bxe_softc *sc, 5029 struct elink_phy *phy, 5030 uint8_t reset) 5031{ 5032 uint16_t val; 5033 /* Take lane out of reset after configuration is finished */ 5034 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 5035 MDIO_WC_REG_DIGITAL5_MISC6, &val); 5036 if (reset) 5037 val |= 0xC000; 5038 else 5039 val &= 0x3FFF; 5040 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5041 MDIO_WC_REG_DIGITAL5_MISC6, val); 5042 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 5043 MDIO_WC_REG_DIGITAL5_MISC6, &val); 5044} 5045 5046/* Clear SFI/XFI link settings registers */ 5047static void elink_warpcore_clear_regs(struct elink_phy *phy, 5048 struct elink_params *params, 5049 uint16_t lane) 5050{ 5051 struct bxe_softc *sc = params->sc; 5052 uint16_t i; 5053 static struct elink_reg_set wc_regs[] = { 5054 {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0}, 5055 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a}, 5056 {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800}, 5057 {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008}, 5058 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 5059 0x0195}, 5060 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 5061 0x0007}, 5062 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 5063 0x0002}, 5064 {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000}, 5065 {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000}, 5066 {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040}, 5067 {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140} 5068 }; 5069 /* Set XFI clock comp as default. */ 5070 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 5071 MDIO_WC_REG_RX66_CONTROL, (3<<13)); 5072 5073 for (i = 0; i < ARRAY_SIZE(wc_regs); i++) 5074 elink_cl45_write(sc, phy, wc_regs[i].devad, wc_regs[i].reg, 5075 wc_regs[i].val); 5076 5077 lane = elink_get_warpcore_lane(phy, params); 5078 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5079 MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990); 5080 5081} 5082 5083static elink_status_t elink_get_mod_abs_int_cfg(struct bxe_softc *sc, 5084 uint32_t chip_id, 5085 uint32_t shmem_base, uint8_t port, 5086 uint8_t *gpio_num, uint8_t *gpio_port) 5087{ 5088 uint32_t cfg_pin; 5089 *gpio_num = 0; 5090 *gpio_port = 0; 5091 if (CHIP_IS_E3(sc)) { 5092 cfg_pin = (REG_RD(sc, shmem_base + 5093 offsetof(struct shmem_region, 5094 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 5095 PORT_HW_CFG_E3_MOD_ABS_MASK) >> 5096 PORT_HW_CFG_E3_MOD_ABS_SHIFT; 5097 5098 /* Should not happen. This function called upon interrupt 5099 * triggered by GPIO ( since EPIO can only generate interrupts 5100 * to MCP). 5101 * So if this function was called and none of the GPIOs was set, 5102 * it means the shit hit the fan. 5103 */ 5104 if ((cfg_pin < PIN_CFG_GPIO0_P0) || 5105 (cfg_pin > PIN_CFG_GPIO3_P1)) { 5106 ELINK_DEBUG_P1(sc, 5107 "No cfg pin %x for module detect indication\n", 5108 cfg_pin); 5109 return ELINK_STATUS_ERROR; 5110 } 5111 5112 *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3; 5113 *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2; 5114 } else { 5115 *gpio_num = MISC_REGISTERS_GPIO_3; 5116 *gpio_port = port; 5117 } 5118 5119 return ELINK_STATUS_OK; 5120} 5121 5122static int elink_is_sfp_module_plugged(struct elink_phy *phy, 5123 struct elink_params *params) 5124{ 5125 struct bxe_softc *sc = params->sc; 5126 uint8_t gpio_num, gpio_port; 5127 uint32_t gpio_val; 5128 if (elink_get_mod_abs_int_cfg(sc, params->chip_id, 5129 params->shmem_base, params->port, 5130 &gpio_num, &gpio_port) != ELINK_STATUS_OK) 5131 return 0; 5132 gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port); 5133 5134 /* Call the handling function in case module is detected */ 5135 if (gpio_val == 0) 5136 return 1; 5137 else 5138 return 0; 5139} 5140static int elink_warpcore_get_sigdet(struct elink_phy *phy, 5141 struct elink_params *params) 5142{ 5143 uint16_t gp2_status_reg0, lane; 5144 struct bxe_softc *sc = params->sc; 5145 5146 lane = elink_get_warpcore_lane(phy, params); 5147 5148 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0, 5149 &gp2_status_reg0); 5150 5151 return (gp2_status_reg0 >> (8+lane)) & 0x1; 5152} 5153 5154static void elink_warpcore_config_runtime(struct elink_phy *phy, 5155 struct elink_params *params, 5156 struct elink_vars *vars) 5157{ 5158 struct bxe_softc *sc = params->sc; 5159 uint32_t serdes_net_if; 5160 uint16_t gp_status1 = 0, lnkup = 0, lnkup_kr = 0; 5161 5162 vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1; 5163 5164 if (!vars->turn_to_run_wc_rt) 5165 return; 5166 5167 if (vars->rx_tx_asic_rst) { 5168 uint16_t lane = elink_get_warpcore_lane(phy, params); 5169 serdes_net_if = (REG_RD(sc, params->shmem_base + 5170 offsetof(struct shmem_region, dev_info. 5171 port_hw_config[params->port].default_cfg)) & 5172 PORT_HW_CFG_NET_SERDES_IF_MASK); 5173 5174 switch (serdes_net_if) { 5175 case PORT_HW_CFG_NET_SERDES_IF_KR: 5176 /* Do we get link yet? */ 5177 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 0x81d1, 5178 &gp_status1); 5179 lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */ 5180 /*10G KR*/ 5181 lnkup_kr = (gp_status1 >> (12+lane)) & 0x1; 5182 5183 if (lnkup_kr || lnkup) { 5184 vars->rx_tx_asic_rst = 0; 5185 } else { 5186 /* Reset the lane to see if link comes up.*/ 5187 elink_warpcore_reset_lane(sc, phy, 1); 5188 elink_warpcore_reset_lane(sc, phy, 0); 5189 5190 /* Restart Autoneg */ 5191 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 5192 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200); 5193 5194 vars->rx_tx_asic_rst--; 5195 ELINK_DEBUG_P1(sc, "0x%x retry left\n", 5196 vars->rx_tx_asic_rst); 5197 } 5198 break; 5199 5200 default: 5201 break; 5202 } 5203 5204 } /*params->rx_tx_asic_rst*/ 5205 5206} 5207static void elink_warpcore_config_sfi(struct elink_phy *phy, 5208 struct elink_params *params) 5209{ 5210 uint16_t lane = elink_get_warpcore_lane(phy, params); 5211 struct bxe_softc *sc = params->sc; 5212 elink_warpcore_clear_regs(phy, params, lane); 5213 if ((params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] == 5214 ELINK_SPEED_10000) && 5215 (phy->media_type != ELINK_ETH_PHY_SFP_1G_FIBER)) { 5216 ELINK_DEBUG_P0(sc, "Setting 10G SFI\n"); 5217 elink_warpcore_set_10G_XFI(phy, params, 0); 5218 } else { 5219 ELINK_DEBUG_P0(sc, "Setting 1G Fiber\n"); 5220 elink_warpcore_set_sgmii_speed(phy, params, 1, 0); 5221 } 5222} 5223 5224static void elink_sfp_e3_set_transmitter(struct elink_params *params, 5225 struct elink_phy *phy, 5226 uint8_t tx_en) 5227{ 5228 struct bxe_softc *sc = params->sc; 5229 uint32_t cfg_pin; 5230 uint8_t port = params->port; 5231 5232 cfg_pin = REG_RD(sc, params->shmem_base + 5233 offsetof(struct shmem_region, 5234 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 5235 PORT_HW_CFG_E3_TX_LASER_MASK; 5236 /* Set the !tx_en since this pin is DISABLE_TX_LASER */ 5237 ELINK_DEBUG_P1(sc, "Setting WC TX to %d\n", tx_en); 5238 5239 /* For 20G, the expected pin to be used is 3 pins after the current */ 5240 elink_set_cfg_pin(sc, cfg_pin, tx_en ^ 1); 5241 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G) 5242 elink_set_cfg_pin(sc, cfg_pin + 3, tx_en ^ 1); 5243} 5244 5245static void elink_warpcore_config_init(struct elink_phy *phy, 5246 struct elink_params *params, 5247 struct elink_vars *vars) 5248{ 5249 struct bxe_softc *sc = params->sc; 5250 uint32_t serdes_net_if; 5251 uint8_t fiber_mode; 5252 uint16_t lane = elink_get_warpcore_lane(phy, params); 5253 serdes_net_if = (REG_RD(sc, params->shmem_base + 5254 offsetof(struct shmem_region, dev_info. 5255 port_hw_config[params->port].default_cfg)) & 5256 PORT_HW_CFG_NET_SERDES_IF_MASK); 5257 ELINK_DEBUG_P2(sc, "Begin Warpcore init, link_speed %d, " 5258 "serdes_net_if = 0x%x\n", 5259 vars->line_speed, serdes_net_if); 5260 elink_set_aer_mmd(params, phy); 5261 elink_warpcore_reset_lane(sc, phy, 1); 5262 vars->phy_flags |= PHY_XGXS_FLAG; 5263 if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) || 5264 (phy->req_line_speed && 5265 ((phy->req_line_speed == ELINK_SPEED_100) || 5266 (phy->req_line_speed == ELINK_SPEED_10)))) { 5267 vars->phy_flags |= PHY_SGMII_FLAG; 5268 ELINK_DEBUG_P0(sc, "Setting SGMII mode\n"); 5269 elink_warpcore_clear_regs(phy, params, lane); 5270 elink_warpcore_set_sgmii_speed(phy, params, 0, 1); 5271 } else { 5272 switch (serdes_net_if) { 5273 case PORT_HW_CFG_NET_SERDES_IF_KR: 5274 /* Enable KR Auto Neg */ 5275 if (params->loopback_mode != ELINK_LOOPBACK_EXT) 5276 elink_warpcore_enable_AN_KR(phy, params, vars); 5277 else { 5278 ELINK_DEBUG_P0(sc, "Setting KR 10G-Force\n"); 5279 elink_warpcore_set_10G_KR(phy, params, vars); 5280 } 5281 break; 5282 5283 case PORT_HW_CFG_NET_SERDES_IF_XFI: 5284 elink_warpcore_clear_regs(phy, params, lane); 5285 if (vars->line_speed == ELINK_SPEED_10000) { 5286 ELINK_DEBUG_P0(sc, "Setting 10G XFI\n"); 5287 elink_warpcore_set_10G_XFI(phy, params, 1); 5288 } else { 5289 if (ELINK_SINGLE_MEDIA_DIRECT(params)) { 5290 ELINK_DEBUG_P0(sc, "1G Fiber\n"); 5291 fiber_mode = 1; 5292 } else { 5293 ELINK_DEBUG_P0(sc, "10/100/1G SGMII\n"); 5294 fiber_mode = 0; 5295 } 5296 elink_warpcore_set_sgmii_speed(phy, 5297 params, 5298 fiber_mode, 5299 0); 5300 } 5301 5302 break; 5303 5304 case PORT_HW_CFG_NET_SERDES_IF_SFI: 5305 /* Issue Module detection if module is plugged, or 5306 * enabled transmitter to avoid current leakage in case 5307 * no module is connected 5308 */ 5309 if ((params->loopback_mode == ELINK_LOOPBACK_NONE) || 5310 (params->loopback_mode == ELINK_LOOPBACK_EXT)) { 5311 if (elink_is_sfp_module_plugged(phy, params)) 5312 elink_sfp_module_detection(phy, params); 5313 else 5314 elink_sfp_e3_set_transmitter(params, 5315 phy, 1); 5316 } 5317 5318 elink_warpcore_config_sfi(phy, params); 5319 break; 5320 5321 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 5322 if (vars->line_speed != ELINK_SPEED_20000) { 5323 ELINK_DEBUG_P0(sc, "Speed not supported yet\n"); 5324 return; 5325 } 5326 ELINK_DEBUG_P0(sc, "Setting 20G DXGXS\n"); 5327 elink_warpcore_set_20G_DXGXS(sc, phy, lane); 5328 /* Issue Module detection */ 5329 5330 elink_sfp_module_detection(phy, params); 5331 break; 5332 case PORT_HW_CFG_NET_SERDES_IF_KR2: 5333 if (!params->loopback_mode) { 5334 elink_warpcore_enable_AN_KR(phy, params, vars); 5335 } else { 5336 ELINK_DEBUG_P0(sc, "Setting KR 20G-Force\n"); 5337 elink_warpcore_set_20G_force_KR2(phy, params); 5338 } 5339 break; 5340 default: 5341 ELINK_DEBUG_P1(sc, 5342 "Unsupported Serdes Net Interface 0x%x\n", 5343 serdes_net_if); 5344 return; 5345 } 5346 } 5347 5348 /* Take lane out of reset after configuration is finished */ 5349 elink_warpcore_reset_lane(sc, phy, 0); 5350 ELINK_DEBUG_P0(sc, "Exit config init\n"); 5351} 5352 5353static void elink_warpcore_link_reset(struct elink_phy *phy, 5354 struct elink_params *params) 5355{ 5356 struct bxe_softc *sc = params->sc; 5357 uint16_t val16, lane; 5358 elink_sfp_e3_set_transmitter(params, phy, 0); 5359 elink_set_mdio_emac_per_phy(sc, params); 5360 elink_set_aer_mmd(params, phy); 5361 /* Global register */ 5362 elink_warpcore_reset_lane(sc, phy, 1); 5363 5364 /* Clear loopback settings (if any) */ 5365 /* 10G & 20G */ 5366 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 5367 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF); 5368 5369 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 5370 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe); 5371 5372 /* Update those 1-copy registers */ 5373 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 5374 MDIO_AER_BLOCK_AER_REG, 0); 5375 /* Enable 1G MDIO (1-copy) */ 5376 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 5377 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 5378 ~0x10); 5379 5380 elink_cl45_read_and_write(sc, phy, MDIO_WC_DEVAD, 5381 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00); 5382 lane = elink_get_warpcore_lane(phy, params); 5383 /* Disable CL36 PCS Tx */ 5384 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 5385 MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); 5386 val16 |= (0x11 << lane); 5387 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) 5388 val16 |= (0x22 << lane); 5389 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5390 MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); 5391 5392 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 5393 MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); 5394 val16 &= ~(0x0303 << (lane << 1)); 5395 val16 |= (0x0101 << (lane << 1)); 5396 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) { 5397 val16 &= ~(0x0c0c << (lane << 1)); 5398 val16 |= (0x0404 << (lane << 1)); 5399 } 5400 5401 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5402 MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); 5403 /* Restore AER */ 5404 elink_set_aer_mmd(params, phy); 5405 5406} 5407 5408static void elink_set_warpcore_loopback(struct elink_phy *phy, 5409 struct elink_params *params) 5410{ 5411 struct bxe_softc *sc = params->sc; 5412 uint16_t val16; 5413 uint32_t lane; 5414 ELINK_DEBUG_P2(sc, "Setting Warpcore loopback type %x, speed %d\n", 5415 params->loopback_mode, phy->req_line_speed); 5416 5417 if (phy->req_line_speed < ELINK_SPEED_10000 || 5418 phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) { 5419 /* 10/100/1000/20G-KR2 */ 5420 5421 /* Update those 1-copy registers */ 5422 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 5423 MDIO_AER_BLOCK_AER_REG, 0); 5424 /* Enable 1G MDIO (1-copy) */ 5425 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 5426 MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, 5427 0x10); 5428 /* Set 1G loopback based on lane (1-copy) */ 5429 lane = elink_get_warpcore_lane(phy, params); 5430 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 5431 MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16); 5432 val16 |= (1<<lane); 5433 if (phy->flags & ELINK_FLAGS_WC_DUAL_MODE) 5434 val16 |= (2<<lane); 5435 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 5436 MDIO_WC_REG_XGXSBLK1_LANECTRL2, 5437 val16); 5438 5439 /* Switch back to 4-copy registers */ 5440 elink_set_aer_mmd(params, phy); 5441 } else { 5442 /* 10G / 20G-DXGXS */ 5443 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 5444 MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 5445 0x4000); 5446 elink_cl45_read_or_write(sc, phy, MDIO_WC_DEVAD, 5447 MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1); 5448 } 5449} 5450 5451 5452 5453static void elink_sync_link(struct elink_params *params, 5454 struct elink_vars *vars) 5455{ 5456 struct bxe_softc *sc = params->sc; 5457 uint8_t link_10g_plus; 5458 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 5459 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 5460 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP); 5461 if (vars->link_up) { 5462 ELINK_DEBUG_P0(sc, "phy link up\n"); 5463 5464 vars->phy_link_up = 1; 5465 vars->duplex = DUPLEX_FULL; 5466 switch (vars->link_status & 5467 LINK_STATUS_SPEED_AND_DUPLEX_MASK) { 5468 case ELINK_LINK_10THD: 5469 vars->duplex = DUPLEX_HALF; 5470 /* Fall thru */ 5471 case ELINK_LINK_10TFD: 5472 vars->line_speed = ELINK_SPEED_10; 5473 break; 5474 5475 case ELINK_LINK_100TXHD: 5476 vars->duplex = DUPLEX_HALF; 5477 /* Fall thru */ 5478 case ELINK_LINK_100T4: 5479 case ELINK_LINK_100TXFD: 5480 vars->line_speed = ELINK_SPEED_100; 5481 break; 5482 5483 case ELINK_LINK_1000THD: 5484 vars->duplex = DUPLEX_HALF; 5485 /* Fall thru */ 5486 case ELINK_LINK_1000TFD: 5487 vars->line_speed = ELINK_SPEED_1000; 5488 break; 5489 5490 case ELINK_LINK_2500THD: 5491 vars->duplex = DUPLEX_HALF; 5492 /* Fall thru */ 5493 case ELINK_LINK_2500TFD: 5494 vars->line_speed = ELINK_SPEED_2500; 5495 break; 5496 5497 case ELINK_LINK_10GTFD: 5498 vars->line_speed = ELINK_SPEED_10000; 5499 break; 5500 case ELINK_LINK_20GTFD: 5501 vars->line_speed = ELINK_SPEED_20000; 5502 break; 5503 default: 5504 break; 5505 } 5506 vars->flow_ctrl = 0; 5507 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED) 5508 vars->flow_ctrl |= ELINK_FLOW_CTRL_TX; 5509 5510 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED) 5511 vars->flow_ctrl |= ELINK_FLOW_CTRL_RX; 5512 5513 if (!vars->flow_ctrl) 5514 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 5515 5516 if (vars->line_speed && 5517 ((vars->line_speed == ELINK_SPEED_10) || 5518 (vars->line_speed == ELINK_SPEED_100))) { 5519 vars->phy_flags |= PHY_SGMII_FLAG; 5520 } else { 5521 vars->phy_flags &= ~PHY_SGMII_FLAG; 5522 } 5523 if (vars->line_speed && 5524 USES_WARPCORE(sc) && 5525 (vars->line_speed == ELINK_SPEED_1000)) 5526 vars->phy_flags |= PHY_SGMII_FLAG; 5527 /* Anything 10 and over uses the bmac */ 5528 link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000); 5529 5530 if (link_10g_plus) { 5531 if (USES_WARPCORE(sc)) 5532 vars->mac_type = ELINK_MAC_TYPE_XMAC; 5533 else 5534 vars->mac_type = ELINK_MAC_TYPE_BMAC; 5535 } else { 5536 if (USES_WARPCORE(sc)) 5537 vars->mac_type = ELINK_MAC_TYPE_UMAC; 5538 else 5539 vars->mac_type = ELINK_MAC_TYPE_EMAC; 5540 } 5541 } else { /* Link down */ 5542 ELINK_DEBUG_P0(sc, "phy link down\n"); 5543 5544 vars->phy_link_up = 0; 5545 5546 vars->line_speed = 0; 5547 vars->duplex = DUPLEX_FULL; 5548 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 5549 5550 /* Indicate no mac active */ 5551 vars->mac_type = ELINK_MAC_TYPE_NONE; 5552 if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG) 5553 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 5554 if (vars->link_status & LINK_STATUS_SFP_TX_FAULT) 5555 vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG; 5556 } 5557} 5558 5559void elink_link_status_update(struct elink_params *params, 5560 struct elink_vars *vars) 5561{ 5562 struct bxe_softc *sc = params->sc; 5563 uint8_t port = params->port; 5564 uint32_t sync_offset, media_types; 5565 /* Update PHY configuration */ 5566 set_phy_vars(params, vars); 5567 5568 vars->link_status = REG_RD(sc, params->shmem_base + 5569 offsetof(struct shmem_region, 5570 port_mb[port].link_status)); 5571 5572 /* Force link UP in non LOOPBACK_EXT loopback mode(s) */ 5573 if (params->loopback_mode != ELINK_LOOPBACK_NONE && 5574 params->loopback_mode != ELINK_LOOPBACK_EXT) 5575 vars->link_status |= LINK_STATUS_LINK_UP; 5576 5577 if (elink_eee_has_cap(params)) 5578 vars->eee_status = REG_RD(sc, params->shmem2_base + 5579 offsetof(struct shmem2_region, 5580 eee_status[params->port])); 5581 5582 vars->phy_flags = PHY_XGXS_FLAG; 5583 elink_sync_link(params, vars); 5584 /* Sync media type */ 5585 sync_offset = params->shmem_base + 5586 offsetof(struct shmem_region, 5587 dev_info.port_hw_config[port].media_type); 5588 media_types = REG_RD(sc, sync_offset); 5589 5590 params->phy[ELINK_INT_PHY].media_type = 5591 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >> 5592 PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT; 5593 params->phy[ELINK_EXT_PHY1].media_type = 5594 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >> 5595 PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT; 5596 params->phy[ELINK_EXT_PHY2].media_type = 5597 (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >> 5598 PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT; 5599 ELINK_DEBUG_P1(sc, "media_types = 0x%x\n", media_types); 5600 5601 /* Sync AEU offset */ 5602 sync_offset = params->shmem_base + 5603 offsetof(struct shmem_region, 5604 dev_info.port_hw_config[port].aeu_int_mask); 5605 5606 vars->aeu_int_mask = REG_RD(sc, sync_offset); 5607 5608 /* Sync PFC status */ 5609 if (vars->link_status & LINK_STATUS_PFC_ENABLED) 5610 params->feature_config_flags |= 5611 ELINK_FEATURE_CONFIG_PFC_ENABLED; 5612 else 5613 params->feature_config_flags &= 5614 ~ELINK_FEATURE_CONFIG_PFC_ENABLED; 5615 5616 if (SHMEM2_HAS(sc, link_attr_sync)) 5617 vars->link_attr_sync = SHMEM2_RD(sc, 5618 link_attr_sync[params->port]); 5619 5620 ELINK_DEBUG_P3(sc, "link_status 0x%x phy_link_up %x int_mask 0x%x\n", 5621 vars->link_status, vars->phy_link_up, vars->aeu_int_mask); 5622 ELINK_DEBUG_P3(sc, "line_speed %x duplex %x flow_ctrl 0x%x\n", 5623 vars->line_speed, vars->duplex, vars->flow_ctrl); 5624} 5625 5626static void elink_set_master_ln(struct elink_params *params, 5627 struct elink_phy *phy) 5628{ 5629 struct bxe_softc *sc = params->sc; 5630 uint16_t new_master_ln, ser_lane; 5631 ser_lane = ((params->lane_config & 5632 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 5633 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 5634 5635 /* Set the master_ln for AN */ 5636 CL22_RD_OVER_CL45(sc, phy, 5637 MDIO_REG_BANK_XGXS_BLOCK2, 5638 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 5639 &new_master_ln); 5640 5641 CL22_WR_OVER_CL45(sc, phy, 5642 MDIO_REG_BANK_XGXS_BLOCK2 , 5643 MDIO_XGXS_BLOCK2_TEST_MODE_LANE, 5644 (new_master_ln | ser_lane)); 5645} 5646 5647static elink_status_t elink_reset_unicore(struct elink_params *params, 5648 struct elink_phy *phy, 5649 uint8_t set_serdes) 5650{ 5651 struct bxe_softc *sc = params->sc; 5652 uint16_t mii_control; 5653 uint16_t i; 5654 CL22_RD_OVER_CL45(sc, phy, 5655 MDIO_REG_BANK_COMBO_IEEE0, 5656 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control); 5657 5658 /* Reset the unicore */ 5659 CL22_WR_OVER_CL45(sc, phy, 5660 MDIO_REG_BANK_COMBO_IEEE0, 5661 MDIO_COMBO_IEEE0_MII_CONTROL, 5662 (mii_control | 5663 MDIO_COMBO_IEEO_MII_CONTROL_RESET)); 5664 if (set_serdes) 5665 elink_set_serdes_access(sc, params->port); 5666 5667 /* Wait for the reset to self clear */ 5668 for (i = 0; i < ELINK_MDIO_ACCESS_TIMEOUT; i++) { 5669 DELAY(5); 5670 5671 /* The reset erased the previous bank value */ 5672 CL22_RD_OVER_CL45(sc, phy, 5673 MDIO_REG_BANK_COMBO_IEEE0, 5674 MDIO_COMBO_IEEE0_MII_CONTROL, 5675 &mii_control); 5676 5677 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) { 5678 DELAY(5); 5679 return ELINK_STATUS_OK; 5680 } 5681 } 5682 5683 elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized," 5684 // " Port %d\n", 5685 5686 ELINK_DEBUG_P0(sc, "BUG! XGXS is still in reset!\n"); 5687 return ELINK_STATUS_ERROR; 5688 5689} 5690 5691static void elink_set_swap_lanes(struct elink_params *params, 5692 struct elink_phy *phy) 5693{ 5694 struct bxe_softc *sc = params->sc; 5695 /* Each two bits represents a lane number: 5696 * No swap is 0123 => 0x1b no need to enable the swap 5697 */ 5698 uint16_t rx_lane_swap, tx_lane_swap; 5699 5700 rx_lane_swap = ((params->lane_config & 5701 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >> 5702 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT); 5703 tx_lane_swap = ((params->lane_config & 5704 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >> 5705 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT); 5706 5707 if (rx_lane_swap != 0x1b) { 5708 CL22_WR_OVER_CL45(sc, phy, 5709 MDIO_REG_BANK_XGXS_BLOCK2, 5710 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 5711 (rx_lane_swap | 5712 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE | 5713 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE)); 5714 } else { 5715 CL22_WR_OVER_CL45(sc, phy, 5716 MDIO_REG_BANK_XGXS_BLOCK2, 5717 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0); 5718 } 5719 5720 if (tx_lane_swap != 0x1b) { 5721 CL22_WR_OVER_CL45(sc, phy, 5722 MDIO_REG_BANK_XGXS_BLOCK2, 5723 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 5724 (tx_lane_swap | 5725 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE)); 5726 } else { 5727 CL22_WR_OVER_CL45(sc, phy, 5728 MDIO_REG_BANK_XGXS_BLOCK2, 5729 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0); 5730 } 5731} 5732 5733static void elink_set_parallel_detection(struct elink_phy *phy, 5734 struct elink_params *params) 5735{ 5736 struct bxe_softc *sc = params->sc; 5737 uint16_t control2; 5738 CL22_RD_OVER_CL45(sc, phy, 5739 MDIO_REG_BANK_SERDES_DIGITAL, 5740 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 5741 &control2); 5742 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 5743 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 5744 else 5745 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN; 5746 ELINK_DEBUG_P2(sc, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n", 5747 phy->speed_cap_mask, control2); 5748 CL22_WR_OVER_CL45(sc, phy, 5749 MDIO_REG_BANK_SERDES_DIGITAL, 5750 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2, 5751 control2); 5752 5753 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 5754 (phy->speed_cap_mask & 5755 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 5756 ELINK_DEBUG_P0(sc, "XGXS\n"); 5757 5758 CL22_WR_OVER_CL45(sc, phy, 5759 MDIO_REG_BANK_10G_PARALLEL_DETECT, 5760 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK, 5761 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT); 5762 5763 CL22_RD_OVER_CL45(sc, phy, 5764 MDIO_REG_BANK_10G_PARALLEL_DETECT, 5765 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 5766 &control2); 5767 5768 5769 control2 |= 5770 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN; 5771 5772 CL22_WR_OVER_CL45(sc, phy, 5773 MDIO_REG_BANK_10G_PARALLEL_DETECT, 5774 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL, 5775 control2); 5776 5777 /* Disable parallel detection of HiG */ 5778 CL22_WR_OVER_CL45(sc, phy, 5779 MDIO_REG_BANK_XGXS_BLOCK2, 5780 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G, 5781 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS | 5782 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS); 5783 } 5784} 5785 5786static void elink_set_autoneg(struct elink_phy *phy, 5787 struct elink_params *params, 5788 struct elink_vars *vars, 5789 uint8_t enable_cl73) 5790{ 5791 struct bxe_softc *sc = params->sc; 5792 uint16_t reg_val; 5793 5794 /* CL37 Autoneg */ 5795 CL22_RD_OVER_CL45(sc, phy, 5796 MDIO_REG_BANK_COMBO_IEEE0, 5797 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 5798 5799 /* CL37 Autoneg Enabled */ 5800 if (vars->line_speed == ELINK_SPEED_AUTO_NEG) 5801 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN; 5802 else /* CL37 Autoneg Disabled */ 5803 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5804 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN); 5805 5806 CL22_WR_OVER_CL45(sc, phy, 5807 MDIO_REG_BANK_COMBO_IEEE0, 5808 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 5809 5810 /* Enable/Disable Autodetection */ 5811 5812 CL22_RD_OVER_CL45(sc, phy, 5813 MDIO_REG_BANK_SERDES_DIGITAL, 5814 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val); 5815 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN | 5816 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT); 5817 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE; 5818 if (vars->line_speed == ELINK_SPEED_AUTO_NEG) 5819 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 5820 else 5821 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET; 5822 5823 CL22_WR_OVER_CL45(sc, phy, 5824 MDIO_REG_BANK_SERDES_DIGITAL, 5825 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val); 5826 5827 /* Enable TetonII and BAM autoneg */ 5828 CL22_RD_OVER_CL45(sc, phy, 5829 MDIO_REG_BANK_BAM_NEXT_PAGE, 5830 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 5831 ®_val); 5832 if (vars->line_speed == ELINK_SPEED_AUTO_NEG) { 5833 /* Enable BAM aneg Mode and TetonII aneg Mode */ 5834 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 5835 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 5836 } else { 5837 /* TetonII and BAM Autoneg Disabled */ 5838 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE | 5839 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN); 5840 } 5841 CL22_WR_OVER_CL45(sc, phy, 5842 MDIO_REG_BANK_BAM_NEXT_PAGE, 5843 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL, 5844 reg_val); 5845 5846 if (enable_cl73) { 5847 /* Enable Cl73 FSM status bits */ 5848 CL22_WR_OVER_CL45(sc, phy, 5849 MDIO_REG_BANK_CL73_USERB0, 5850 MDIO_CL73_USERB0_CL73_UCTRL, 5851 0xe); 5852 5853 /* Enable BAM Station Manager*/ 5854 CL22_WR_OVER_CL45(sc, phy, 5855 MDIO_REG_BANK_CL73_USERB0, 5856 MDIO_CL73_USERB0_CL73_BAM_CTRL1, 5857 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN | 5858 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN | 5859 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN); 5860 5861 /* Advertise CL73 link speeds */ 5862 CL22_RD_OVER_CL45(sc, phy, 5863 MDIO_REG_BANK_CL73_IEEEB1, 5864 MDIO_CL73_IEEEB1_AN_ADV2, 5865 ®_val); 5866 if (phy->speed_cap_mask & 5867 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5868 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4; 5869 if (phy->speed_cap_mask & 5870 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) 5871 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX; 5872 5873 CL22_WR_OVER_CL45(sc, phy, 5874 MDIO_REG_BANK_CL73_IEEEB1, 5875 MDIO_CL73_IEEEB1_AN_ADV2, 5876 reg_val); 5877 5878 /* CL73 Autoneg Enabled */ 5879 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN; 5880 5881 } else /* CL73 Autoneg Disabled */ 5882 reg_val = 0; 5883 5884 CL22_WR_OVER_CL45(sc, phy, 5885 MDIO_REG_BANK_CL73_IEEEB0, 5886 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val); 5887} 5888 5889/* Program SerDes, forced speed */ 5890static void elink_program_serdes(struct elink_phy *phy, 5891 struct elink_params *params, 5892 struct elink_vars *vars) 5893{ 5894 struct bxe_softc *sc = params->sc; 5895 uint16_t reg_val; 5896 5897 /* Program duplex, disable autoneg and sgmii*/ 5898 CL22_RD_OVER_CL45(sc, phy, 5899 MDIO_REG_BANK_COMBO_IEEE0, 5900 MDIO_COMBO_IEEE0_MII_CONTROL, ®_val); 5901 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX | 5902 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 5903 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK); 5904 if (phy->req_duplex == DUPLEX_FULL) 5905 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 5906 CL22_WR_OVER_CL45(sc, phy, 5907 MDIO_REG_BANK_COMBO_IEEE0, 5908 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val); 5909 5910 /* Program speed 5911 * - needed only if the speed is greater than 1G (2.5G or 10G) 5912 */ 5913 CL22_RD_OVER_CL45(sc, phy, 5914 MDIO_REG_BANK_SERDES_DIGITAL, 5915 MDIO_SERDES_DIGITAL_MISC1, ®_val); 5916 /* Clearing the speed value before setting the right speed */ 5917 ELINK_DEBUG_P1(sc, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val); 5918 5919 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK | 5920 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5921 5922 if (!((vars->line_speed == ELINK_SPEED_1000) || 5923 (vars->line_speed == ELINK_SPEED_100) || 5924 (vars->line_speed == ELINK_SPEED_10))) { 5925 5926 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M | 5927 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL); 5928 if (vars->line_speed == ELINK_SPEED_10000) 5929 reg_val |= 5930 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4; 5931 } 5932 5933 CL22_WR_OVER_CL45(sc, phy, 5934 MDIO_REG_BANK_SERDES_DIGITAL, 5935 MDIO_SERDES_DIGITAL_MISC1, reg_val); 5936 5937} 5938 5939static void elink_set_brcm_cl37_advertisement(struct elink_phy *phy, 5940 struct elink_params *params) 5941{ 5942 struct bxe_softc *sc = params->sc; 5943 uint16_t val = 0; 5944 5945 /* Set extended capabilities */ 5946 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) 5947 val |= MDIO_OVER_1G_UP1_2_5G; 5948 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 5949 val |= MDIO_OVER_1G_UP1_10G; 5950 CL22_WR_OVER_CL45(sc, phy, 5951 MDIO_REG_BANK_OVER_1G, 5952 MDIO_OVER_1G_UP1, val); 5953 5954 CL22_WR_OVER_CL45(sc, phy, 5955 MDIO_REG_BANK_OVER_1G, 5956 MDIO_OVER_1G_UP3, 0x400); 5957} 5958 5959static void elink_set_ieee_aneg_advertisement(struct elink_phy *phy, 5960 struct elink_params *params, 5961 uint16_t ieee_fc) 5962{ 5963 struct bxe_softc *sc = params->sc; 5964 uint16_t val; 5965 /* For AN, we are always publishing full duplex */ 5966 5967 CL22_WR_OVER_CL45(sc, phy, 5968 MDIO_REG_BANK_COMBO_IEEE0, 5969 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc); 5970 CL22_RD_OVER_CL45(sc, phy, 5971 MDIO_REG_BANK_CL73_IEEEB1, 5972 MDIO_CL73_IEEEB1_AN_ADV1, &val); 5973 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH; 5974 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK); 5975 CL22_WR_OVER_CL45(sc, phy, 5976 MDIO_REG_BANK_CL73_IEEEB1, 5977 MDIO_CL73_IEEEB1_AN_ADV1, val); 5978} 5979 5980static void elink_restart_autoneg(struct elink_phy *phy, 5981 struct elink_params *params, 5982 uint8_t enable_cl73) 5983{ 5984 struct bxe_softc *sc = params->sc; 5985 uint16_t mii_control; 5986 5987 ELINK_DEBUG_P0(sc, "elink_restart_autoneg\n"); 5988 /* Enable and restart BAM/CL37 aneg */ 5989 5990 if (enable_cl73) { 5991 CL22_RD_OVER_CL45(sc, phy, 5992 MDIO_REG_BANK_CL73_IEEEB0, 5993 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5994 &mii_control); 5995 5996 CL22_WR_OVER_CL45(sc, phy, 5997 MDIO_REG_BANK_CL73_IEEEB0, 5998 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 5999 (mii_control | 6000 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN | 6001 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN)); 6002 } else { 6003 6004 CL22_RD_OVER_CL45(sc, phy, 6005 MDIO_REG_BANK_COMBO_IEEE0, 6006 MDIO_COMBO_IEEE0_MII_CONTROL, 6007 &mii_control); 6008 ELINK_DEBUG_P1(sc, 6009 "elink_restart_autoneg mii_control before = 0x%x\n", 6010 mii_control); 6011 CL22_WR_OVER_CL45(sc, phy, 6012 MDIO_REG_BANK_COMBO_IEEE0, 6013 MDIO_COMBO_IEEE0_MII_CONTROL, 6014 (mii_control | 6015 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 6016 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN)); 6017 } 6018} 6019 6020static void elink_initialize_sgmii_process(struct elink_phy *phy, 6021 struct elink_params *params, 6022 struct elink_vars *vars) 6023{ 6024 struct bxe_softc *sc = params->sc; 6025 uint16_t control1; 6026 6027 /* In SGMII mode, the unicore is always slave */ 6028 6029 CL22_RD_OVER_CL45(sc, phy, 6030 MDIO_REG_BANK_SERDES_DIGITAL, 6031 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 6032 &control1); 6033 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT; 6034 /* Set sgmii mode (and not fiber) */ 6035 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE | 6036 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET | 6037 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE); 6038 CL22_WR_OVER_CL45(sc, phy, 6039 MDIO_REG_BANK_SERDES_DIGITAL, 6040 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, 6041 control1); 6042 6043 /* If forced speed */ 6044 if (!(vars->line_speed == ELINK_SPEED_AUTO_NEG)) { 6045 /* Set speed, disable autoneg */ 6046 uint16_t mii_control; 6047 6048 CL22_RD_OVER_CL45(sc, phy, 6049 MDIO_REG_BANK_COMBO_IEEE0, 6050 MDIO_COMBO_IEEE0_MII_CONTROL, 6051 &mii_control); 6052 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN | 6053 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK| 6054 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX); 6055 6056 switch (vars->line_speed) { 6057 case ELINK_SPEED_100: 6058 mii_control |= 6059 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100; 6060 break; 6061 case ELINK_SPEED_1000: 6062 mii_control |= 6063 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000; 6064 break; 6065 case ELINK_SPEED_10: 6066 /* There is nothing to set for 10M */ 6067 break; 6068 default: 6069 /* Invalid speed for SGMII */ 6070 ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n", 6071 vars->line_speed); 6072 break; 6073 } 6074 6075 /* Setting the full duplex */ 6076 if (phy->req_duplex == DUPLEX_FULL) 6077 mii_control |= 6078 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX; 6079 CL22_WR_OVER_CL45(sc, phy, 6080 MDIO_REG_BANK_COMBO_IEEE0, 6081 MDIO_COMBO_IEEE0_MII_CONTROL, 6082 mii_control); 6083 6084 } else { /* AN mode */ 6085 /* Enable and restart AN */ 6086 elink_restart_autoneg(phy, params, 0); 6087 } 6088} 6089 6090/* Link management 6091 */ 6092static elink_status_t elink_direct_parallel_detect_used(struct elink_phy *phy, 6093 struct elink_params *params) 6094{ 6095 struct bxe_softc *sc = params->sc; 6096 uint16_t pd_10g, status2_1000x; 6097 if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) 6098 return ELINK_STATUS_OK; 6099 CL22_RD_OVER_CL45(sc, phy, 6100 MDIO_REG_BANK_SERDES_DIGITAL, 6101 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 6102 &status2_1000x); 6103 CL22_RD_OVER_CL45(sc, phy, 6104 MDIO_REG_BANK_SERDES_DIGITAL, 6105 MDIO_SERDES_DIGITAL_A_1000X_STATUS2, 6106 &status2_1000x); 6107 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) { 6108 ELINK_DEBUG_P1(sc, "1G parallel detect link on port %d\n", 6109 params->port); 6110 return 1; 6111 } 6112 6113 CL22_RD_OVER_CL45(sc, phy, 6114 MDIO_REG_BANK_10G_PARALLEL_DETECT, 6115 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS, 6116 &pd_10g); 6117 6118 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) { 6119 ELINK_DEBUG_P1(sc, "10G parallel detect link on port %d\n", 6120 params->port); 6121 return 1; 6122 } 6123 return ELINK_STATUS_OK; 6124} 6125 6126static void elink_update_adv_fc(struct elink_phy *phy, 6127 struct elink_params *params, 6128 struct elink_vars *vars, 6129 uint32_t gp_status) 6130{ 6131 uint16_t ld_pause; /* local driver */ 6132 uint16_t lp_pause; /* link partner */ 6133 uint16_t pause_result; 6134 struct bxe_softc *sc = params->sc; 6135 if ((gp_status & 6136 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 6137 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) == 6138 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | 6139 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) { 6140 6141 CL22_RD_OVER_CL45(sc, phy, 6142 MDIO_REG_BANK_CL73_IEEEB1, 6143 MDIO_CL73_IEEEB1_AN_ADV1, 6144 &ld_pause); 6145 CL22_RD_OVER_CL45(sc, phy, 6146 MDIO_REG_BANK_CL73_IEEEB1, 6147 MDIO_CL73_IEEEB1_AN_LP_ADV1, 6148 &lp_pause); 6149 pause_result = (ld_pause & 6150 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8; 6151 pause_result |= (lp_pause & 6152 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10; 6153 ELINK_DEBUG_P1(sc, "pause_result CL73 0x%x\n", pause_result); 6154 } else { 6155 CL22_RD_OVER_CL45(sc, phy, 6156 MDIO_REG_BANK_COMBO_IEEE0, 6157 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, 6158 &ld_pause); 6159 CL22_RD_OVER_CL45(sc, phy, 6160 MDIO_REG_BANK_COMBO_IEEE0, 6161 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1, 6162 &lp_pause); 6163 pause_result = (ld_pause & 6164 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5; 6165 pause_result |= (lp_pause & 6166 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7; 6167 ELINK_DEBUG_P1(sc, "pause_result CL37 0x%x\n", pause_result); 6168 } 6169 elink_pause_resolve(vars, pause_result); 6170 6171} 6172 6173static void elink_flow_ctrl_resolve(struct elink_phy *phy, 6174 struct elink_params *params, 6175 struct elink_vars *vars, 6176 uint32_t gp_status) 6177{ 6178 struct bxe_softc *sc = params->sc; 6179 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 6180 6181 /* Resolve from gp_status in case of AN complete and not sgmii */ 6182 if (phy->req_flow_ctrl != ELINK_FLOW_CTRL_AUTO) { 6183 /* Update the advertised flow-controled of LD/LP in AN */ 6184 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) 6185 elink_update_adv_fc(phy, params, vars, gp_status); 6186 /* But set the flow-control result as the requested one */ 6187 vars->flow_ctrl = phy->req_flow_ctrl; 6188 } else if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) 6189 vars->flow_ctrl = params->req_fc_auto_adv; 6190 else if ((gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) && 6191 (!(vars->phy_flags & PHY_SGMII_FLAG))) { 6192 if (elink_direct_parallel_detect_used(phy, params)) { 6193 vars->flow_ctrl = params->req_fc_auto_adv; 6194 return; 6195 } 6196 elink_update_adv_fc(phy, params, vars, gp_status); 6197 } 6198 ELINK_DEBUG_P1(sc, "flow_ctrl 0x%x\n", vars->flow_ctrl); 6199} 6200 6201static void elink_check_fallback_to_cl37(struct elink_phy *phy, 6202 struct elink_params *params) 6203{ 6204 struct bxe_softc *sc = params->sc; 6205 uint16_t rx_status, ustat_val, cl37_fsm_received; 6206 ELINK_DEBUG_P0(sc, "elink_check_fallback_to_cl37\n"); 6207 /* Step 1: Make sure signal is detected */ 6208 CL22_RD_OVER_CL45(sc, phy, 6209 MDIO_REG_BANK_RX0, 6210 MDIO_RX0_RX_STATUS, 6211 &rx_status); 6212 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) != 6213 (MDIO_RX0_RX_STATUS_SIGDET)) { 6214 ELINK_DEBUG_P1(sc, "Signal is not detected. Restoring CL73." 6215 "rx_status(0x80b0) = 0x%x\n", rx_status); 6216 CL22_WR_OVER_CL45(sc, phy, 6217 MDIO_REG_BANK_CL73_IEEEB0, 6218 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 6219 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN); 6220 return; 6221 } 6222 /* Step 2: Check CL73 state machine */ 6223 CL22_RD_OVER_CL45(sc, phy, 6224 MDIO_REG_BANK_CL73_USERB0, 6225 MDIO_CL73_USERB0_CL73_USTAT1, 6226 &ustat_val); 6227 if ((ustat_val & 6228 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 6229 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) != 6230 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK | 6231 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) { 6232 ELINK_DEBUG_P1(sc, "CL73 state-machine is not stable. " 6233 "ustat_val(0x8371) = 0x%x\n", ustat_val); 6234 return; 6235 } 6236 /* Step 3: Check CL37 Message Pages received to indicate LP 6237 * supports only CL37 6238 */ 6239 CL22_RD_OVER_CL45(sc, phy, 6240 MDIO_REG_BANK_REMOTE_PHY, 6241 MDIO_REMOTE_PHY_MISC_RX_STATUS, 6242 &cl37_fsm_received); 6243 if ((cl37_fsm_received & 6244 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 6245 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) != 6246 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG | 6247 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) { 6248 ELINK_DEBUG_P1(sc, "No CL37 FSM were received. " 6249 "misc_rx_status(0x8330) = 0x%x\n", 6250 cl37_fsm_received); 6251 return; 6252 } 6253 /* The combined cl37/cl73 fsm state information indicating that 6254 * we are connected to a device which does not support cl73, but 6255 * does support cl37 BAM. In this case we disable cl73 and 6256 * restart cl37 auto-neg 6257 */ 6258 6259 /* Disable CL73 */ 6260 CL22_WR_OVER_CL45(sc, phy, 6261 MDIO_REG_BANK_CL73_IEEEB0, 6262 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, 6263 0); 6264 /* Restart CL37 autoneg */ 6265 elink_restart_autoneg(phy, params, 0); 6266 ELINK_DEBUG_P0(sc, "Disabling CL73, and restarting CL37 autoneg\n"); 6267} 6268 6269static void elink_xgxs_an_resolve(struct elink_phy *phy, 6270 struct elink_params *params, 6271 struct elink_vars *vars, 6272 uint32_t gp_status) 6273{ 6274 if (gp_status & ELINK_MDIO_AN_CL73_OR_37_COMPLETE) 6275 vars->link_status |= 6276 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 6277 6278 if (elink_direct_parallel_detect_used(phy, params)) 6279 vars->link_status |= 6280 LINK_STATUS_PARALLEL_DETECTION_USED; 6281} 6282static elink_status_t elink_get_link_speed_duplex(struct elink_phy *phy, 6283 struct elink_params *params, 6284 struct elink_vars *vars, 6285 uint16_t is_link_up, 6286 uint16_t speed_mask, 6287 uint16_t is_duplex) 6288{ 6289 struct bxe_softc *sc = params->sc; 6290 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) 6291 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED; 6292 if (is_link_up) { 6293 ELINK_DEBUG_P0(sc, "phy link up\n"); 6294 6295 vars->phy_link_up = 1; 6296 vars->link_status |= LINK_STATUS_LINK_UP; 6297 6298 switch (speed_mask) { 6299 case ELINK_GP_STATUS_10M: 6300 vars->line_speed = ELINK_SPEED_10; 6301 if (is_duplex == DUPLEX_FULL) 6302 vars->link_status |= ELINK_LINK_10TFD; 6303 else 6304 vars->link_status |= ELINK_LINK_10THD; 6305 break; 6306 6307 case ELINK_GP_STATUS_100M: 6308 vars->line_speed = ELINK_SPEED_100; 6309 if (is_duplex == DUPLEX_FULL) 6310 vars->link_status |= ELINK_LINK_100TXFD; 6311 else 6312 vars->link_status |= ELINK_LINK_100TXHD; 6313 break; 6314 6315 case ELINK_GP_STATUS_1G: 6316 case ELINK_GP_STATUS_1G_KX: 6317 vars->line_speed = ELINK_SPEED_1000; 6318 if (is_duplex == DUPLEX_FULL) 6319 vars->link_status |= ELINK_LINK_1000TFD; 6320 else 6321 vars->link_status |= ELINK_LINK_1000THD; 6322 break; 6323 6324 case ELINK_GP_STATUS_2_5G: 6325 vars->line_speed = ELINK_SPEED_2500; 6326 if (is_duplex == DUPLEX_FULL) 6327 vars->link_status |= ELINK_LINK_2500TFD; 6328 else 6329 vars->link_status |= ELINK_LINK_2500THD; 6330 break; 6331 6332 case ELINK_GP_STATUS_5G: 6333 case ELINK_GP_STATUS_6G: 6334 ELINK_DEBUG_P1(sc, 6335 "link speed unsupported gp_status 0x%x\n", 6336 speed_mask); 6337 return ELINK_STATUS_ERROR; 6338 6339 case ELINK_GP_STATUS_10G_KX4: 6340 case ELINK_GP_STATUS_10G_HIG: 6341 case ELINK_GP_STATUS_10G_CX4: 6342 case ELINK_GP_STATUS_10G_KR: 6343 case ELINK_GP_STATUS_10G_SFI: 6344 case ELINK_GP_STATUS_10G_XFI: 6345 vars->line_speed = ELINK_SPEED_10000; 6346 vars->link_status |= ELINK_LINK_10GTFD; 6347 break; 6348 case ELINK_GP_STATUS_20G_DXGXS: 6349 case ELINK_GP_STATUS_20G_KR2: 6350 vars->line_speed = ELINK_SPEED_20000; 6351 vars->link_status |= ELINK_LINK_20GTFD; 6352 break; 6353 default: 6354 ELINK_DEBUG_P1(sc, 6355 "link speed unsupported gp_status 0x%x\n", 6356 speed_mask); 6357 return ELINK_STATUS_ERROR; 6358 } 6359 } else { /* link_down */ 6360 ELINK_DEBUG_P0(sc, "phy link down\n"); 6361 6362 vars->phy_link_up = 0; 6363 6364 vars->duplex = DUPLEX_FULL; 6365 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 6366 vars->mac_type = ELINK_MAC_TYPE_NONE; 6367 } 6368 ELINK_DEBUG_P2(sc, " phy_link_up %x line_speed %d\n", 6369 vars->phy_link_up, vars->line_speed); 6370 return ELINK_STATUS_OK; 6371} 6372 6373static elink_status_t elink_link_settings_status(struct elink_phy *phy, 6374 struct elink_params *params, 6375 struct elink_vars *vars) 6376{ 6377 struct bxe_softc *sc = params->sc; 6378 6379 uint16_t gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask; 6380 elink_status_t rc = ELINK_STATUS_OK; 6381 6382 /* Read gp_status */ 6383 CL22_RD_OVER_CL45(sc, phy, 6384 MDIO_REG_BANK_GP_STATUS, 6385 MDIO_GP_STATUS_TOP_AN_STATUS1, 6386 &gp_status); 6387 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) 6388 duplex = DUPLEX_FULL; 6389 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) 6390 link_up = 1; 6391 speed_mask = gp_status & ELINK_GP_STATUS_SPEED_MASK; 6392 ELINK_DEBUG_P3(sc, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n", 6393 gp_status, link_up, speed_mask); 6394 rc = elink_get_link_speed_duplex(phy, params, vars, link_up, speed_mask, 6395 duplex); 6396 if (rc == ELINK_STATUS_ERROR) 6397 return rc; 6398 6399 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { 6400 if (ELINK_SINGLE_MEDIA_DIRECT(params)) { 6401 vars->duplex = duplex; 6402 elink_flow_ctrl_resolve(phy, params, vars, gp_status); 6403 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) 6404 elink_xgxs_an_resolve(phy, params, vars, 6405 gp_status); 6406 } 6407 } else { /* Link_down */ 6408 if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 6409 ELINK_SINGLE_MEDIA_DIRECT(params)) { 6410 /* Check signal is detected */ 6411 elink_check_fallback_to_cl37(phy, params); 6412 } 6413 } 6414 6415 /* Read LP advertised speeds*/ 6416 if (ELINK_SINGLE_MEDIA_DIRECT(params) && 6417 (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) { 6418 uint16_t val; 6419 6420 CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_CL73_IEEEB1, 6421 MDIO_CL73_IEEEB1_AN_LP_ADV2, &val); 6422 6423 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 6424 vars->link_status |= 6425 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 6426 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 6427 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 6428 vars->link_status |= 6429 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 6430 6431 CL22_RD_OVER_CL45(sc, phy, MDIO_REG_BANK_OVER_1G, 6432 MDIO_OVER_1G_LP_UP1, &val); 6433 6434 if (val & MDIO_OVER_1G_UP1_2_5G) 6435 vars->link_status |= 6436 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 6437 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 6438 vars->link_status |= 6439 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 6440 } 6441 6442 ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 6443 vars->duplex, vars->flow_ctrl, vars->link_status); 6444 return rc; 6445} 6446 6447static elink_status_t elink_warpcore_read_status(struct elink_phy *phy, 6448 struct elink_params *params, 6449 struct elink_vars *vars) 6450{ 6451 struct bxe_softc *sc = params->sc; 6452 uint8_t lane; 6453 uint16_t gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL; 6454 elink_status_t rc = ELINK_STATUS_OK; 6455 lane = elink_get_warpcore_lane(phy, params); 6456 /* Read gp_status */ 6457 if ((params->loopback_mode) && 6458 (phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) { 6459 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6460 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up); 6461 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6462 MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up); 6463 link_up &= 0x1; 6464 } else if ((phy->req_line_speed > ELINK_SPEED_10000) && 6465 (phy->supported & ELINK_SUPPORTED_20000baseMLD2_Full)) { 6466 uint16_t temp_link_up; 6467 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6468 1, &temp_link_up); 6469 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6470 1, &link_up); 6471 ELINK_DEBUG_P2(sc, "PCS RX link status = 0x%x-->0x%x\n", 6472 temp_link_up, link_up); 6473 link_up &= (1<<2); 6474 if (link_up) 6475 elink_ext_phy_resolve_fc(phy, params, vars); 6476 } else { 6477 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6478 MDIO_WC_REG_GP2_STATUS_GP_2_1, 6479 &gp_status1); 6480 ELINK_DEBUG_P1(sc, "0x81d1 = 0x%x\n", gp_status1); 6481 /* Check for either KR, 1G, or AN up. */ 6482 link_up = ((gp_status1 >> 8) | 6483 (gp_status1 >> 12) | 6484 (gp_status1)) & 6485 (1 << lane); 6486 if (phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) { 6487 uint16_t an_link; 6488 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 6489 MDIO_AN_REG_STATUS, &an_link); 6490 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 6491 MDIO_AN_REG_STATUS, &an_link); 6492 link_up |= (an_link & (1<<2)); 6493 } 6494 if (link_up && ELINK_SINGLE_MEDIA_DIRECT(params)) { 6495 uint16_t pd, gp_status4; 6496 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) { 6497 /* Check Autoneg complete */ 6498 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6499 MDIO_WC_REG_GP2_STATUS_GP_2_4, 6500 &gp_status4); 6501 if (gp_status4 & ((1<<12)<<lane)) 6502 vars->link_status |= 6503 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 6504 6505 /* Check parallel detect used */ 6506 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6507 MDIO_WC_REG_PAR_DET_10G_STATUS, 6508 &pd); 6509 if (pd & (1<<15)) 6510 vars->link_status |= 6511 LINK_STATUS_PARALLEL_DETECTION_USED; 6512 } 6513 elink_ext_phy_resolve_fc(phy, params, vars); 6514 vars->duplex = duplex; 6515 } 6516 } 6517 6518 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) && 6519 ELINK_SINGLE_MEDIA_DIRECT(params)) { 6520 uint16_t val; 6521 6522 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 6523 MDIO_AN_REG_LP_AUTO_NEG2, &val); 6524 6525 if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX) 6526 vars->link_status |= 6527 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 6528 if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 | 6529 MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR)) 6530 vars->link_status |= 6531 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 6532 6533 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6534 MDIO_WC_REG_DIGITAL3_LP_UP1, &val); 6535 6536 if (val & MDIO_OVER_1G_UP1_2_5G) 6537 vars->link_status |= 6538 LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE; 6539 if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH)) 6540 vars->link_status |= 6541 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 6542 6543 } 6544 6545 6546 if (lane < 2) { 6547 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6548 MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed); 6549 } else { 6550 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 6551 MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed); 6552 } 6553 ELINK_DEBUG_P2(sc, "lane %d gp_speed 0x%x\n", lane, gp_speed); 6554 6555 if ((lane & 1) == 0) 6556 gp_speed <<= 8; 6557 gp_speed &= 0x3f00; 6558 link_up = !!link_up; 6559 6560 /* Reset the TX FIFO to fix SGMII issue */ 6561 rc = elink_get_link_speed_duplex(phy, params, vars, link_up, gp_speed, 6562 duplex); 6563 6564 /* In case of KR link down, start up the recovering procedure */ 6565 if ((!link_up) && (phy->media_type == ELINK_ETH_PHY_KR) && 6566 (!(phy->flags & ELINK_FLAGS_WC_DUAL_MODE))) 6567 vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; 6568 6569 ELINK_DEBUG_P3(sc, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", 6570 vars->duplex, vars->flow_ctrl, vars->link_status); 6571 return rc; 6572} 6573static void elink_set_gmii_tx_driver(struct elink_params *params) 6574{ 6575 struct bxe_softc *sc = params->sc; 6576 struct elink_phy *phy = ¶ms->phy[ELINK_INT_PHY]; 6577 uint16_t lp_up2; 6578 uint16_t tx_driver; 6579 uint16_t bank; 6580 6581 /* Read precomp */ 6582 CL22_RD_OVER_CL45(sc, phy, 6583 MDIO_REG_BANK_OVER_1G, 6584 MDIO_OVER_1G_LP_UP2, &lp_up2); 6585 6586 /* Bits [10:7] at lp_up2, positioned at [15:12] */ 6587 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >> 6588 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) << 6589 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT); 6590 6591 if (lp_up2 == 0) 6592 return; 6593 6594 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3; 6595 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) { 6596 CL22_RD_OVER_CL45(sc, phy, 6597 bank, 6598 MDIO_TX0_TX_DRIVER, &tx_driver); 6599 6600 /* Replace tx_driver bits [15:12] */ 6601 if (lp_up2 != 6602 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) { 6603 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK; 6604 tx_driver |= lp_up2; 6605 CL22_WR_OVER_CL45(sc, phy, 6606 bank, 6607 MDIO_TX0_TX_DRIVER, tx_driver); 6608 } 6609 } 6610} 6611 6612static elink_status_t elink_emac_program(struct elink_params *params, 6613 struct elink_vars *vars) 6614{ 6615 struct bxe_softc *sc = params->sc; 6616 uint8_t port = params->port; 6617 uint16_t mode = 0; 6618 6619 ELINK_DEBUG_P0(sc, "setting link speed & duplex\n"); 6620 elink_bits_dis(sc, GRCBASE_EMAC0 + port*0x400 + 6621 EMAC_REG_EMAC_MODE, 6622 (EMAC_MODE_25G_MODE | 6623 EMAC_MODE_PORT_MII_10M | 6624 EMAC_MODE_HALF_DUPLEX)); 6625 switch (vars->line_speed) { 6626 case ELINK_SPEED_10: 6627 mode |= EMAC_MODE_PORT_MII_10M; 6628 break; 6629 6630 case ELINK_SPEED_100: 6631 mode |= EMAC_MODE_PORT_MII; 6632 break; 6633 6634 case ELINK_SPEED_1000: 6635 mode |= EMAC_MODE_PORT_GMII; 6636 break; 6637 6638 case ELINK_SPEED_2500: 6639 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII); 6640 break; 6641 6642 default: 6643 /* 10G not valid for EMAC */ 6644 ELINK_DEBUG_P1(sc, "Invalid line_speed 0x%x\n", 6645 vars->line_speed); 6646 return ELINK_STATUS_ERROR; 6647 } 6648 6649 if (vars->duplex == DUPLEX_HALF) 6650 mode |= EMAC_MODE_HALF_DUPLEX; 6651 elink_bits_en(sc, 6652 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE, 6653 mode); 6654 6655 elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed); 6656 return ELINK_STATUS_OK; 6657} 6658 6659static void elink_set_preemphasis(struct elink_phy *phy, 6660 struct elink_params *params) 6661{ 6662 6663 uint16_t bank, i = 0; 6664 struct bxe_softc *sc = params->sc; 6665 6666 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3; 6667 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) { 6668 CL22_WR_OVER_CL45(sc, phy, 6669 bank, 6670 MDIO_RX0_RX_EQ_BOOST, 6671 phy->rx_preemphasis[i]); 6672 } 6673 6674 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3; 6675 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) { 6676 CL22_WR_OVER_CL45(sc, phy, 6677 bank, 6678 MDIO_TX0_TX_DRIVER, 6679 phy->tx_preemphasis[i]); 6680 } 6681} 6682 6683static void elink_xgxs_config_init(struct elink_phy *phy, 6684 struct elink_params *params, 6685 struct elink_vars *vars) 6686{ 6687 struct bxe_softc *sc = params->sc; 6688 uint8_t enable_cl73 = (ELINK_SINGLE_MEDIA_DIRECT(params) || 6689 (params->loopback_mode == ELINK_LOOPBACK_XGXS)); 6690 if (!(vars->phy_flags & PHY_SGMII_FLAG)) { 6691 if (ELINK_SINGLE_MEDIA_DIRECT(params) && 6692 (params->feature_config_flags & 6693 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) 6694 elink_set_preemphasis(phy, params); 6695 6696 /* Forced speed requested? */ 6697 if (vars->line_speed != ELINK_SPEED_AUTO_NEG || 6698 (ELINK_SINGLE_MEDIA_DIRECT(params) && 6699 params->loopback_mode == ELINK_LOOPBACK_EXT)) { 6700 ELINK_DEBUG_P0(sc, "not SGMII, no AN\n"); 6701 6702 /* Disable autoneg */ 6703 elink_set_autoneg(phy, params, vars, 0); 6704 6705 /* Program speed and duplex */ 6706 elink_program_serdes(phy, params, vars); 6707 6708 } else { /* AN_mode */ 6709 ELINK_DEBUG_P0(sc, "not SGMII, AN\n"); 6710 6711 /* AN enabled */ 6712 elink_set_brcm_cl37_advertisement(phy, params); 6713 6714 /* Program duplex & pause advertisement (for aneg) */ 6715 elink_set_ieee_aneg_advertisement(phy, params, 6716 vars->ieee_fc); 6717 6718 /* Enable autoneg */ 6719 elink_set_autoneg(phy, params, vars, enable_cl73); 6720 6721 /* Enable and restart AN */ 6722 elink_restart_autoneg(phy, params, enable_cl73); 6723 } 6724 6725 } else { /* SGMII mode */ 6726 ELINK_DEBUG_P0(sc, "SGMII\n"); 6727 6728 elink_initialize_sgmii_process(phy, params, vars); 6729 } 6730} 6731 6732static elink_status_t elink_prepare_xgxs(struct elink_phy *phy, 6733 struct elink_params *params, 6734 struct elink_vars *vars) 6735{ 6736 elink_status_t rc; 6737 vars->phy_flags |= PHY_XGXS_FLAG; 6738 if ((phy->req_line_speed && 6739 ((phy->req_line_speed == ELINK_SPEED_100) || 6740 (phy->req_line_speed == ELINK_SPEED_10))) || 6741 (!phy->req_line_speed && 6742 (phy->speed_cap_mask >= 6743 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && 6744 (phy->speed_cap_mask < 6745 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 6746 (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD)) 6747 vars->phy_flags |= PHY_SGMII_FLAG; 6748 else 6749 vars->phy_flags &= ~PHY_SGMII_FLAG; 6750 6751 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 6752 elink_set_aer_mmd(params, phy); 6753 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 6754 elink_set_master_ln(params, phy); 6755 6756 rc = elink_reset_unicore(params, phy, 0); 6757 /* Reset the SerDes and wait for reset bit return low */ 6758 if (rc != ELINK_STATUS_OK) 6759 return rc; 6760 6761 elink_set_aer_mmd(params, phy); 6762 /* Setting the masterLn_def again after the reset */ 6763 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) { 6764 elink_set_master_ln(params, phy); 6765 elink_set_swap_lanes(params, phy); 6766 } 6767 6768 return rc; 6769} 6770 6771static uint16_t elink_wait_reset_complete(struct bxe_softc *sc, 6772 struct elink_phy *phy, 6773 struct elink_params *params) 6774{ 6775 uint16_t cnt, ctrl; 6776 /* Wait for soft reset to get cleared up to 1 sec */ 6777 for (cnt = 0; cnt < 1000; cnt++) { 6778 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 6779 elink_cl22_read(sc, phy, 6780 MDIO_PMA_REG_CTRL, &ctrl); 6781 else 6782 elink_cl45_read(sc, phy, 6783 MDIO_PMA_DEVAD, 6784 MDIO_PMA_REG_CTRL, &ctrl); 6785 if (!(ctrl & (1<<15))) 6786 break; 6787 DELAY(1000 * 1); 6788 } 6789 6790 if (cnt == 1000) 6791 elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, params->port); // "Warning: PHY was not initialized," 6792 // " Port %d\n", 6793 6794 ELINK_DEBUG_P2(sc, "control reg 0x%x (after %d ms)\n", ctrl, cnt); 6795 return cnt; 6796} 6797 6798static void elink_link_int_enable(struct elink_params *params) 6799{ 6800 uint8_t port = params->port; 6801 uint32_t mask; 6802 struct bxe_softc *sc = params->sc; 6803 6804 /* Setting the status to report on link up for either XGXS or SerDes */ 6805 if (CHIP_IS_E3(sc)) { 6806 mask = ELINK_NIG_MASK_XGXS0_LINK_STATUS; 6807 if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) 6808 mask |= ELINK_NIG_MASK_MI_INT; 6809 } else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) { 6810 mask = (ELINK_NIG_MASK_XGXS0_LINK10G | 6811 ELINK_NIG_MASK_XGXS0_LINK_STATUS); 6812 ELINK_DEBUG_P0(sc, "enabled XGXS interrupt\n"); 6813 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && 6814 params->phy[ELINK_INT_PHY].type != 6815 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) { 6816 mask |= ELINK_NIG_MASK_MI_INT; 6817 ELINK_DEBUG_P0(sc, "enabled external phy int\n"); 6818 } 6819 6820 } else { /* SerDes */ 6821 mask = ELINK_NIG_MASK_SERDES0_LINK_STATUS; 6822 ELINK_DEBUG_P0(sc, "enabled SerDes interrupt\n"); 6823 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && 6824 params->phy[ELINK_INT_PHY].type != 6825 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) { 6826 mask |= ELINK_NIG_MASK_MI_INT; 6827 ELINK_DEBUG_P0(sc, "enabled external phy int\n"); 6828 } 6829 } 6830 elink_bits_en(sc, 6831 NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 6832 mask); 6833 6834 ELINK_DEBUG_P3(sc, "port %x, is_xgxs %x, int_status 0x%x\n", port, 6835 (params->switch_cfg == ELINK_SWITCH_CFG_10G), 6836 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 6837 ELINK_DEBUG_P3(sc, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n", 6838 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 6839 REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), 6840 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c)); 6841 ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n", 6842 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 6843 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 6844} 6845 6846static void elink_rearm_latch_signal(struct bxe_softc *sc, uint8_t port, 6847 uint8_t exp_mi_int) 6848{ 6849 uint32_t latch_status = 0; 6850 6851 /* Disable the MI INT ( external phy int ) by writing 1 to the 6852 * status register. Link down indication is high-active-signal, 6853 * so in this case we need to write the status to clear the XOR 6854 */ 6855 /* Read Latched signals */ 6856 latch_status = REG_RD(sc, 6857 NIG_REG_LATCH_STATUS_0 + port*8); 6858 ELINK_DEBUG_P1(sc, "latch_status = 0x%x\n", latch_status); 6859 /* Handle only those with latched-signal=up.*/ 6860 if (exp_mi_int) 6861 elink_bits_en(sc, 6862 NIG_REG_STATUS_INTERRUPT_PORT0 6863 + port*4, 6864 ELINK_NIG_STATUS_EMAC0_MI_INT); 6865 else 6866 elink_bits_dis(sc, 6867 NIG_REG_STATUS_INTERRUPT_PORT0 6868 + port*4, 6869 ELINK_NIG_STATUS_EMAC0_MI_INT); 6870 6871 if (latch_status & 1) { 6872 6873 /* For all latched-signal=up : Re-Arm Latch signals */ 6874 REG_WR(sc, NIG_REG_LATCH_STATUS_0 + port*8, 6875 (latch_status & 0xfffe) | (latch_status & 1)); 6876 } 6877 /* For all latched-signal=up,Write original_signal to status */ 6878} 6879 6880static void elink_link_int_ack(struct elink_params *params, 6881 struct elink_vars *vars, uint8_t is_10g_plus) 6882{ 6883 struct bxe_softc *sc = params->sc; 6884 uint8_t port = params->port; 6885 uint32_t mask; 6886 /* First reset all status we assume only one line will be 6887 * change at a time 6888 */ 6889 elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6890 (ELINK_NIG_STATUS_XGXS0_LINK10G | 6891 ELINK_NIG_STATUS_XGXS0_LINK_STATUS | 6892 ELINK_NIG_STATUS_SERDES0_LINK_STATUS)); 6893 if (vars->phy_link_up) { 6894 if (USES_WARPCORE(sc)) 6895 mask = ELINK_NIG_STATUS_XGXS0_LINK_STATUS; 6896 else { 6897 if (is_10g_plus) 6898 mask = ELINK_NIG_STATUS_XGXS0_LINK10G; 6899 else if (params->switch_cfg == ELINK_SWITCH_CFG_10G) { 6900 /* Disable the link interrupt by writing 1 to 6901 * the relevant lane in the status register 6902 */ 6903 uint32_t ser_lane = 6904 ((params->lane_config & 6905 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >> 6906 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT); 6907 mask = ((1 << ser_lane) << 6908 ELINK_NIG_STATUS_XGXS0_LINK_STATUS_SIZE); 6909 } else 6910 mask = ELINK_NIG_STATUS_SERDES0_LINK_STATUS; 6911 } 6912 ELINK_DEBUG_P1(sc, "Ack link up interrupt with mask 0x%x\n", 6913 mask); 6914 elink_bits_en(sc, 6915 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4, 6916 mask); 6917 } 6918} 6919 6920static elink_status_t elink_format_ver(uint32_t num, uint8_t *str, uint16_t *len) 6921{ 6922 uint8_t *str_ptr = str; 6923 uint32_t mask = 0xf0000000; 6924 uint8_t shift = 8*4; 6925 uint8_t digit; 6926 uint8_t remove_leading_zeros = 1; 6927 if (*len < 10) { 6928 /* Need more than 10chars for this format */ 6929 *str_ptr = '\0'; 6930 (*len)--; 6931 return ELINK_STATUS_ERROR; 6932 } 6933 while (shift > 0) { 6934 6935 shift -= 4; 6936 digit = ((num & mask) >> shift); 6937 if (digit == 0 && remove_leading_zeros) { 6938 mask = mask >> 4; 6939 continue; 6940 } else if (digit < 0xa) 6941 *str_ptr = digit + '0'; 6942 else 6943 *str_ptr = digit - 0xa + 'a'; 6944 remove_leading_zeros = 0; 6945 str_ptr++; 6946 (*len)--; 6947 mask = mask >> 4; 6948 if (shift == 4*4) { 6949 *str_ptr = '.'; 6950 str_ptr++; 6951 (*len)--; 6952 remove_leading_zeros = 1; 6953 } 6954 } 6955 return ELINK_STATUS_OK; 6956} 6957 6958 6959static elink_status_t elink_null_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len) 6960{ 6961 str[0] = '\0'; 6962 (*len)--; 6963 return ELINK_STATUS_OK; 6964} 6965 6966elink_status_t elink_get_ext_phy_fw_version(struct elink_params *params, uint8_t *version, 6967 uint16_t len) 6968{ 6969 struct bxe_softc *sc; 6970 uint32_t spirom_ver = 0; 6971 elink_status_t status = ELINK_STATUS_OK; 6972 uint8_t *ver_p = version; 6973 uint16_t remain_len = len; 6974 if (version == NULL || params == NULL) 6975 return ELINK_STATUS_ERROR; 6976 sc = params->sc; 6977 6978 /* Extract first external phy*/ 6979 version[0] = '\0'; 6980 spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY1].ver_addr); 6981 6982 if (params->phy[ELINK_EXT_PHY1].format_fw_ver) { 6983 status |= params->phy[ELINK_EXT_PHY1].format_fw_ver(spirom_ver, 6984 ver_p, 6985 &remain_len); 6986 ver_p += (len - remain_len); 6987 } 6988 if ((params->num_phys == ELINK_MAX_PHYS) && 6989 (params->phy[ELINK_EXT_PHY2].ver_addr != 0)) { 6990 spirom_ver = REG_RD(sc, params->phy[ELINK_EXT_PHY2].ver_addr); 6991 if (params->phy[ELINK_EXT_PHY2].format_fw_ver) { 6992 *ver_p = '/'; 6993 ver_p++; 6994 remain_len--; 6995 status |= params->phy[ELINK_EXT_PHY2].format_fw_ver( 6996 spirom_ver, 6997 ver_p, 6998 &remain_len); 6999 ver_p = version + (len - remain_len); 7000 } 7001 } 7002 *ver_p = '\0'; 7003 return status; 7004} 7005 7006static void elink_set_xgxs_loopback(struct elink_phy *phy, 7007 struct elink_params *params) 7008{ 7009 uint8_t port = params->port; 7010 struct bxe_softc *sc = params->sc; 7011 7012 if (phy->req_line_speed != ELINK_SPEED_1000) { 7013 uint32_t md_devad = 0; 7014 7015 ELINK_DEBUG_P0(sc, "XGXS 10G loopback enable\n"); 7016 7017 if (!CHIP_IS_E3(sc)) { 7018 /* Change the uni_phy_addr in the nig */ 7019 md_devad = REG_RD(sc, (NIG_REG_XGXS0_CTRL_MD_DEVAD + 7020 port*0x18)); 7021 7022 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 7023 0x5); 7024 } 7025 7026 elink_cl45_write(sc, phy, 7027 5, 7028 (MDIO_REG_BANK_AER_BLOCK + 7029 (MDIO_AER_BLOCK_AER_REG & 0xf)), 7030 0x2800); 7031 7032 elink_cl45_write(sc, phy, 7033 5, 7034 (MDIO_REG_BANK_CL73_IEEEB0 + 7035 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 7036 0x6041); 7037 DELAY(1000 * 200); 7038 /* Set aer mmd back */ 7039 elink_set_aer_mmd(params, phy); 7040 7041 if (!CHIP_IS_E3(sc)) { 7042 /* And md_devad */ 7043 REG_WR(sc, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 7044 md_devad); 7045 } 7046 } else { 7047 uint16_t mii_ctrl; 7048 ELINK_DEBUG_P0(sc, "XGXS 1G loopback enable\n"); 7049 elink_cl45_read(sc, phy, 5, 7050 (MDIO_REG_BANK_COMBO_IEEE0 + 7051 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 7052 &mii_ctrl); 7053 elink_cl45_write(sc, phy, 5, 7054 (MDIO_REG_BANK_COMBO_IEEE0 + 7055 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)), 7056 mii_ctrl | 7057 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK); 7058 } 7059} 7060 7061elink_status_t elink_set_led(struct elink_params *params, 7062 struct elink_vars *vars, uint8_t mode, uint32_t speed) 7063{ 7064 uint8_t port = params->port; 7065 uint16_t hw_led_mode = params->hw_led_mode; 7066 elink_status_t rc = ELINK_STATUS_OK; 7067 uint8_t phy_idx; 7068 uint32_t tmp; 7069 uint32_t emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; 7070 struct bxe_softc *sc = params->sc; 7071 ELINK_DEBUG_P2(sc, "elink_set_led: port %x, mode %d\n", port, mode); 7072 ELINK_DEBUG_P2(sc, "speed 0x%x, hw_led_mode 0x%x\n", 7073 speed, hw_led_mode); 7074 /* In case */ 7075 for (phy_idx = ELINK_EXT_PHY1; phy_idx < ELINK_MAX_PHYS; phy_idx++) { 7076 if (params->phy[phy_idx].set_link_led) { 7077 params->phy[phy_idx].set_link_led( 7078 ¶ms->phy[phy_idx], params, mode); 7079 } 7080 } 7081#ifdef ELINK_INCLUDE_EMUL 7082 if (params->feature_config_flags & 7083 ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC) 7084 return rc; 7085#endif 7086 7087 switch (mode) { 7088 case ELINK_LED_MODE_FRONT_PANEL_OFF: 7089 case ELINK_LED_MODE_OFF: 7090 REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 0); 7091 REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 7092 SHARED_HW_CFG_LED_MAC1); 7093 7094 tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED); 7095 if (params->phy[ELINK_EXT_PHY1].type == 7096 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 7097 tmp &= ~(EMAC_LED_1000MB_OVERRIDE | 7098 EMAC_LED_100MB_OVERRIDE | 7099 EMAC_LED_10MB_OVERRIDE); 7100 else 7101 tmp |= EMAC_LED_OVERRIDE; 7102 7103 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp); 7104 break; 7105 7106 case ELINK_LED_MODE_OPER: 7107 /* For all other phys, OPER mode is same as ON, so in case 7108 * link is down, do nothing 7109 */ 7110 if (!vars->link_up) 7111 break; 7112 case ELINK_LED_MODE_ON: 7113 if (((params->phy[ELINK_EXT_PHY1].type == 7114 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) || 7115 (params->phy[ELINK_EXT_PHY1].type == 7116 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) && 7117 CHIP_IS_E2(sc) && params->num_phys == 2) { 7118 /* This is a work-around for E2+8727 Configurations */ 7119 if (mode == ELINK_LED_MODE_ON || 7120 speed == ELINK_SPEED_10000){ 7121 REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0); 7122 REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1); 7123 7124 tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED); 7125 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, 7126 (tmp | EMAC_LED_OVERRIDE)); 7127 /* Return here without enabling traffic 7128 * LED blink and setting rate in ON mode. 7129 * In oper mode, enabling LED blink 7130 * and setting rate is needed. 7131 */ 7132 if (mode == ELINK_LED_MODE_ON) 7133 return rc; 7134 } 7135 } else if (ELINK_SINGLE_MEDIA_DIRECT(params)) { 7136 /* This is a work-around for HW issue found when link 7137 * is up in CL73 7138 */ 7139 if ((!CHIP_IS_E3(sc)) || 7140 (CHIP_IS_E3(sc) && 7141 mode == ELINK_LED_MODE_ON)) 7142 REG_WR(sc, NIG_REG_LED_10G_P0 + port*4, 1); 7143 7144 if (CHIP_IS_E1x(sc) || 7145 CHIP_IS_E2(sc) || 7146 (mode == ELINK_LED_MODE_ON)) 7147 REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0); 7148 else 7149 REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 7150 hw_led_mode); 7151 } else if ((params->phy[ELINK_EXT_PHY1].type == 7152 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) && 7153 (mode == ELINK_LED_MODE_ON)) { 7154 REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 0); 7155 tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED); 7156 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, tmp | 7157 EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE); 7158 /* Break here; otherwise, it'll disable the 7159 * intended override. 7160 */ 7161 break; 7162 } else { 7163 uint32_t nig_led_mode = ((params->hw_led_mode << 7164 SHARED_HW_CFG_LED_MODE_SHIFT) == 7165 SHARED_HW_CFG_LED_EXTPHY2) ? 7166 (SHARED_HW_CFG_LED_PHY1 >> 7167 SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode; 7168 REG_WR(sc, NIG_REG_LED_MODE_P0 + port*4, 7169 nig_led_mode); 7170 } 7171 7172 REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); 7173 /* Set blinking rate to ~15.9Hz */ 7174 if (CHIP_IS_E3(sc)) 7175 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 7176 LED_BLINK_RATE_VAL_E3); 7177 else 7178 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, 7179 LED_BLINK_RATE_VAL_E1X_E2); 7180 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + 7181 port*4, 1); 7182 tmp = elink_cb_reg_read(sc, emac_base + EMAC_REG_EMAC_LED); 7183 elink_cb_reg_write(sc, emac_base + EMAC_REG_EMAC_LED, 7184 (tmp & (~EMAC_LED_OVERRIDE))); 7185 7186 if (CHIP_IS_E1(sc) && 7187 ((speed == ELINK_SPEED_2500) || 7188 (speed == ELINK_SPEED_1000) || 7189 (speed == ELINK_SPEED_100) || 7190 (speed == ELINK_SPEED_10))) { 7191 /* For speeds less than 10G LED scheme is different */ 7192 REG_WR(sc, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 7193 + port*4, 1); 7194 REG_WR(sc, NIG_REG_LED_CONTROL_TRAFFIC_P0 + 7195 port*4, 0); 7196 REG_WR(sc, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + 7197 port*4, 1); 7198 } 7199 break; 7200 7201 default: 7202 rc = ELINK_STATUS_ERROR; 7203 ELINK_DEBUG_P1(sc, "elink_set_led: Invalid led mode %d\n", 7204 mode); 7205 break; 7206 } 7207 return rc; 7208 7209} 7210 7211/* This function comes to reflect the actual link state read DIRECTLY from the 7212 * HW 7213 */ 7214elink_status_t elink_test_link(struct elink_params *params, struct elink_vars *vars, 7215 uint8_t is_serdes) 7216{ 7217 struct bxe_softc *sc = params->sc; 7218 uint16_t gp_status = 0, phy_index = 0; 7219 uint8_t ext_phy_link_up = 0, serdes_phy_type; 7220 struct elink_vars temp_vars; 7221 struct elink_phy *int_phy = ¶ms->phy[ELINK_INT_PHY]; 7222#ifdef ELINK_INCLUDE_FPGA 7223 if (CHIP_REV_IS_FPGA(sc)) 7224 return ELINK_STATUS_OK; 7225#endif 7226#ifdef ELINK_INCLUDE_EMUL 7227 if (CHIP_REV_IS_EMUL(sc)) 7228 return ELINK_STATUS_OK; 7229#endif 7230 7231 if (CHIP_IS_E3(sc)) { 7232 uint16_t link_up; 7233 if (params->req_line_speed[ELINK_LINK_CONFIG_IDX(ELINK_INT_PHY)] 7234 > ELINK_SPEED_10000) { 7235 /* Check 20G link */ 7236 elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD, 7237 1, &link_up); 7238 elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD, 7239 1, &link_up); 7240 link_up &= (1<<2); 7241 } else { 7242 /* Check 10G link and below*/ 7243 uint8_t lane = elink_get_warpcore_lane(int_phy, params); 7244 elink_cl45_read(sc, int_phy, MDIO_WC_DEVAD, 7245 MDIO_WC_REG_GP2_STATUS_GP_2_1, 7246 &gp_status); 7247 gp_status = ((gp_status >> 8) & 0xf) | 7248 ((gp_status >> 12) & 0xf); 7249 link_up = gp_status & (1 << lane); 7250 } 7251 if (!link_up) 7252 return ELINK_STATUS_NO_LINK; 7253 } else { 7254 CL22_RD_OVER_CL45(sc, int_phy, 7255 MDIO_REG_BANK_GP_STATUS, 7256 MDIO_GP_STATUS_TOP_AN_STATUS1, 7257 &gp_status); 7258 /* Link is up only if both local phy and external phy are up */ 7259 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)) 7260 return ELINK_STATUS_NO_LINK; 7261 } 7262 /* In XGXS loopback mode, do not check external PHY */ 7263 if (params->loopback_mode == ELINK_LOOPBACK_XGXS) 7264 return ELINK_STATUS_OK; 7265 7266 switch (params->num_phys) { 7267 case 1: 7268 /* No external PHY */ 7269 return ELINK_STATUS_OK; 7270 case 2: 7271 ext_phy_link_up = params->phy[ELINK_EXT_PHY1].read_status( 7272 ¶ms->phy[ELINK_EXT_PHY1], 7273 params, &temp_vars); 7274 break; 7275 case 3: /* Dual Media */ 7276 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys; 7277 phy_index++) { 7278 serdes_phy_type = ((params->phy[phy_index].media_type == 7279 ELINK_ETH_PHY_SFPP_10G_FIBER) || 7280 (params->phy[phy_index].media_type == 7281 ELINK_ETH_PHY_SFP_1G_FIBER) || 7282 (params->phy[phy_index].media_type == 7283 ELINK_ETH_PHY_XFP_FIBER) || 7284 (params->phy[phy_index].media_type == 7285 ELINK_ETH_PHY_DA_TWINAX)); 7286 7287 if (is_serdes != serdes_phy_type) 7288 continue; 7289 if (params->phy[phy_index].read_status) { 7290 ext_phy_link_up |= 7291 params->phy[phy_index].read_status( 7292 ¶ms->phy[phy_index], 7293 params, &temp_vars); 7294 } 7295 } 7296 break; 7297 } 7298 if (ext_phy_link_up) 7299 return ELINK_STATUS_OK; 7300 return ELINK_STATUS_NO_LINK; 7301} 7302 7303static elink_status_t elink_link_initialize(struct elink_params *params, 7304 struct elink_vars *vars) 7305{ 7306 elink_status_t rc = ELINK_STATUS_OK; 7307 uint8_t phy_index, non_ext_phy; 7308 struct bxe_softc *sc = params->sc; 7309 /* In case of external phy existence, the line speed would be the 7310 * line speed linked up by the external phy. In case it is direct 7311 * only, then the line_speed during initialization will be 7312 * equal to the req_line_speed 7313 */ 7314 vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed; 7315 7316 /* Initialize the internal phy in case this is a direct board 7317 * (no external phys), or this board has external phy which requires 7318 * to first. 7319 */ 7320 if (!USES_WARPCORE(sc)) 7321 elink_prepare_xgxs(¶ms->phy[ELINK_INT_PHY], params, vars); 7322 /* init ext phy and enable link state int */ 7323 non_ext_phy = (ELINK_SINGLE_MEDIA_DIRECT(params) || 7324 (params->loopback_mode == ELINK_LOOPBACK_XGXS)); 7325 7326 if (non_ext_phy || 7327 (params->phy[ELINK_EXT_PHY1].flags & ELINK_FLAGS_INIT_XGXS_FIRST) || 7328 (params->loopback_mode == ELINK_LOOPBACK_EXT_PHY)) { 7329 struct elink_phy *phy = ¶ms->phy[ELINK_INT_PHY]; 7330 if (vars->line_speed == ELINK_SPEED_AUTO_NEG && 7331 (CHIP_IS_E1x(sc) || 7332 CHIP_IS_E2(sc))) 7333 elink_set_parallel_detection(phy, params); 7334 if (params->phy[ELINK_INT_PHY].config_init) 7335 params->phy[ELINK_INT_PHY].config_init(phy, params, vars); 7336 } 7337 7338 /* Re-read this value in case it was changed inside config_init due to 7339 * limitations of optic module 7340 */ 7341 vars->line_speed = params->phy[ELINK_INT_PHY].req_line_speed; 7342 7343 /* Init external phy*/ 7344 if (non_ext_phy) { 7345 if (params->phy[ELINK_INT_PHY].supported & 7346 ELINK_SUPPORTED_FIBRE) 7347 vars->link_status |= LINK_STATUS_SERDES_LINK; 7348 } else { 7349 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys; 7350 phy_index++) { 7351 /* No need to initialize second phy in case of first 7352 * phy only selection. In case of second phy, we do 7353 * need to initialize the first phy, since they are 7354 * connected. 7355 */ 7356 if (params->phy[phy_index].supported & 7357 ELINK_SUPPORTED_FIBRE) 7358 vars->link_status |= LINK_STATUS_SERDES_LINK; 7359 7360 if (phy_index == ELINK_EXT_PHY2 && 7361 (elink_phy_selection(params) == 7362 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) { 7363 ELINK_DEBUG_P0(sc, 7364 "Not initializing second phy\n"); 7365 continue; 7366 } 7367 params->phy[phy_index].config_init( 7368 ¶ms->phy[phy_index], 7369 params, vars); 7370 } 7371 } 7372 /* Reset the interrupt indication after phy was initialized */ 7373 elink_bits_dis(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + 7374 params->port*4, 7375 (ELINK_NIG_STATUS_XGXS0_LINK10G | 7376 ELINK_NIG_STATUS_XGXS0_LINK_STATUS | 7377 ELINK_NIG_STATUS_SERDES0_LINK_STATUS | 7378 ELINK_NIG_MASK_MI_INT)); 7379 return rc; 7380} 7381 7382static void elink_int_link_reset(struct elink_phy *phy, 7383 struct elink_params *params) 7384{ 7385 /* Reset the SerDes/XGXS */ 7386 REG_WR(params->sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, 7387 (0x1ff << (params->port*16))); 7388} 7389 7390static void elink_common_ext_link_reset(struct elink_phy *phy, 7391 struct elink_params *params) 7392{ 7393 struct bxe_softc *sc = params->sc; 7394 uint8_t gpio_port; 7395 /* HW reset */ 7396 if (CHIP_IS_E2(sc)) 7397 gpio_port = SC_PATH(sc); 7398 else 7399 gpio_port = params->port; 7400 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1, 7401 MISC_REGISTERS_GPIO_OUTPUT_LOW, 7402 gpio_port); 7403 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 7404 MISC_REGISTERS_GPIO_OUTPUT_LOW, 7405 gpio_port); 7406 ELINK_DEBUG_P0(sc, "reset external PHY\n"); 7407} 7408 7409static elink_status_t elink_update_link_down(struct elink_params *params, 7410 struct elink_vars *vars) 7411{ 7412 struct bxe_softc *sc = params->sc; 7413 uint8_t port = params->port; 7414 7415 ELINK_DEBUG_P1(sc, "Port %x: Link is down\n", port); 7416 elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0); 7417 vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG; 7418 /* Indicate no mac active */ 7419 vars->mac_type = ELINK_MAC_TYPE_NONE; 7420 7421 /* Update shared memory */ 7422 vars->link_status &= ~ELINK_LINK_UPDATE_MASK; 7423 vars->line_speed = 0; 7424 elink_update_mng(params, vars->link_status); 7425 7426 /* Activate nig drain */ 7427 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 7428 7429 /* Disable emac */ 7430 if (!CHIP_IS_E3(sc)) 7431 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0); 7432 7433 DELAY(1000 * 10); 7434 /* Reset BigMac/Xmac */ 7435 if (CHIP_IS_E1x(sc) || 7436 CHIP_IS_E2(sc)) 7437 elink_set_bmac_rx(sc, params->chip_id, params->port, 0); 7438 7439 if (CHIP_IS_E3(sc)) { 7440 /* Prevent LPI Generation by chip */ 7441 REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 7442 0); 7443 REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2), 7444 0); 7445 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 7446 SHMEM_EEE_ACTIVE_BIT); 7447 7448 elink_update_mng_eee(params, vars->eee_status); 7449 elink_set_xmac_rxtx(params, 0); 7450 elink_set_umac_rxtx(params, 0); 7451 } 7452 7453 return ELINK_STATUS_OK; 7454} 7455 7456static elink_status_t elink_update_link_up(struct elink_params *params, 7457 struct elink_vars *vars, 7458 uint8_t link_10g) 7459{ 7460 struct bxe_softc *sc = params->sc; 7461 uint8_t phy_idx, port = params->port; 7462 elink_status_t rc = ELINK_STATUS_OK; 7463 7464 vars->link_status |= (LINK_STATUS_LINK_UP | 7465 LINK_STATUS_PHYSICAL_LINK_FLAG); 7466 vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG; 7467 7468 if (vars->flow_ctrl & ELINK_FLOW_CTRL_TX) 7469 vars->link_status |= 7470 LINK_STATUS_TX_FLOW_CONTROL_ENABLED; 7471 7472 if (vars->flow_ctrl & ELINK_FLOW_CTRL_RX) 7473 vars->link_status |= 7474 LINK_STATUS_RX_FLOW_CONTROL_ENABLED; 7475 if (USES_WARPCORE(sc)) { 7476 if (link_10g) { 7477 if (elink_xmac_enable(params, vars, 0) == 7478 ELINK_STATUS_NO_LINK) { 7479 ELINK_DEBUG_P0(sc, "Found errors on XMAC\n"); 7480 vars->link_up = 0; 7481 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 7482 vars->link_status &= ~LINK_STATUS_LINK_UP; 7483 } 7484 } else 7485 elink_umac_enable(params, vars, 0); 7486 elink_set_led(params, vars, 7487 ELINK_LED_MODE_OPER, vars->line_speed); 7488 7489 if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) && 7490 (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) { 7491 ELINK_DEBUG_P0(sc, "Enabling LPI assertion\n"); 7492 REG_WR(sc, MISC_REG_CPMU_LP_FW_ENABLE_P0 + 7493 (params->port << 2), 1); 7494 REG_WR(sc, MISC_REG_CPMU_LP_DR_ENABLE, 1); 7495 REG_WR(sc, MISC_REG_CPMU_LP_MASK_ENT_P0 + 7496 (params->port << 2), 0xfc20); 7497 } 7498 } 7499 if ((CHIP_IS_E1x(sc) || 7500 CHIP_IS_E2(sc))) { 7501 if (link_10g) { 7502 if (elink_bmac_enable(params, vars, 0, 1) == 7503 ELINK_STATUS_NO_LINK) { 7504 ELINK_DEBUG_P0(sc, "Found errors on BMAC\n"); 7505 vars->link_up = 0; 7506 vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG; 7507 vars->link_status &= ~LINK_STATUS_LINK_UP; 7508 } 7509 7510 elink_set_led(params, vars, 7511 ELINK_LED_MODE_OPER, ELINK_SPEED_10000); 7512 } else { 7513 rc = elink_emac_program(params, vars); 7514 elink_emac_enable(params, vars, 0); 7515 7516 /* AN complete? */ 7517 if ((vars->link_status & 7518 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) 7519 && (!(vars->phy_flags & PHY_SGMII_FLAG)) && 7520 ELINK_SINGLE_MEDIA_DIRECT(params)) 7521 elink_set_gmii_tx_driver(params); 7522 } 7523 } 7524 7525 /* PBF - link up */ 7526 if (CHIP_IS_E1x(sc)) 7527 rc |= elink_pbf_update(params, vars->flow_ctrl, 7528 vars->line_speed); 7529 7530 /* Disable drain */ 7531 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0); 7532 7533 /* Update shared memory */ 7534 elink_update_mng(params, vars->link_status); 7535 elink_update_mng_eee(params, vars->eee_status); 7536 /* Check remote fault */ 7537 for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) { 7538 if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) { 7539 elink_check_half_open_conn(params, vars, 0); 7540 break; 7541 } 7542 } 7543 DELAY(1000 * 20); 7544 return rc; 7545} 7546/* The elink_link_update function should be called upon link 7547 * interrupt. 7548 * Link is considered up as follows: 7549 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs 7550 * to be up 7551 * - SINGLE_MEDIA - The link between the 577xx and the external 7552 * phy (XGXS) need to up as well as the external link of the 7553 * phy (PHY_EXT1) 7554 * - DUAL_MEDIA - The link between the 577xx and the first 7555 * external phy needs to be up, and at least one of the 2 7556 * external phy link must be up. 7557 */ 7558elink_status_t elink_link_update(struct elink_params *params, struct elink_vars *vars) 7559{ 7560 struct bxe_softc *sc = params->sc; 7561 struct elink_vars phy_vars[ELINK_MAX_PHYS]; 7562 uint8_t port = params->port; 7563 uint8_t link_10g_plus, phy_index; 7564 uint8_t ext_phy_link_up = 0, cur_link_up; 7565 elink_status_t rc = ELINK_STATUS_OK; 7566 uint8_t is_mi_int = 0; 7567 uint16_t ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; 7568 uint8_t active_external_phy = ELINK_INT_PHY; 7569 vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; 7570 vars->link_status &= ~ELINK_LINK_UPDATE_MASK; 7571 for (phy_index = ELINK_INT_PHY; phy_index < params->num_phys; 7572 phy_index++) { 7573 phy_vars[phy_index].flow_ctrl = 0; 7574 phy_vars[phy_index].link_status = 0; 7575 phy_vars[phy_index].line_speed = 0; 7576 phy_vars[phy_index].duplex = DUPLEX_FULL; 7577 phy_vars[phy_index].phy_link_up = 0; 7578 phy_vars[phy_index].link_up = 0; 7579 phy_vars[phy_index].fault_detected = 0; 7580 /* different consideration, since vars holds inner state */ 7581 phy_vars[phy_index].eee_status = vars->eee_status; 7582 } 7583 7584 if (USES_WARPCORE(sc)) 7585 elink_set_aer_mmd(params, ¶ms->phy[ELINK_INT_PHY]); 7586 7587 ELINK_DEBUG_P3(sc, "port %x, XGXS?%x, int_status 0x%x\n", 7588 port, (vars->phy_flags & PHY_XGXS_FLAG), 7589 REG_RD(sc, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4)); 7590 7591 is_mi_int = (uint8_t)(REG_RD(sc, NIG_REG_EMAC0_STATUS_MISC_MI_INT + 7592 port*0x18) > 0); 7593 ELINK_DEBUG_P3(sc, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n", 7594 REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), 7595 is_mi_int, 7596 REG_RD(sc, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c)); 7597 7598 ELINK_DEBUG_P2(sc, " 10G %x, XGXS_LINK %x\n", 7599 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), 7600 REG_RD(sc, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); 7601 7602 /* Disable emac */ 7603 if (!CHIP_IS_E3(sc)) 7604 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0); 7605 7606 /* Step 1: 7607 * Check external link change only for external phys, and apply 7608 * priority selection between them in case the link on both phys 7609 * is up. Note that instead of the common vars, a temporary 7610 * vars argument is used since each phy may have different link/ 7611 * speed/duplex result 7612 */ 7613 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys; 7614 phy_index++) { 7615 struct elink_phy *phy = ¶ms->phy[phy_index]; 7616 if (!phy->read_status) 7617 continue; 7618 /* Read link status and params of this ext phy */ 7619 cur_link_up = phy->read_status(phy, params, 7620 &phy_vars[phy_index]); 7621 if (cur_link_up) { 7622 ELINK_DEBUG_P1(sc, "phy in index %d link is up\n", 7623 phy_index); 7624 } else { 7625 ELINK_DEBUG_P1(sc, "phy in index %d link is down\n", 7626 phy_index); 7627 continue; 7628 } 7629 7630 if (!ext_phy_link_up) { 7631 ext_phy_link_up = 1; 7632 active_external_phy = phy_index; 7633 } else { 7634 switch (elink_phy_selection(params)) { 7635 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 7636 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 7637 /* In this option, the first PHY makes sure to pass the 7638 * traffic through itself only. 7639 * Its not clear how to reset the link on the second phy 7640 */ 7641 active_external_phy = ELINK_EXT_PHY1; 7642 break; 7643 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 7644 /* In this option, the first PHY makes sure to pass the 7645 * traffic through the second PHY. 7646 */ 7647 active_external_phy = ELINK_EXT_PHY2; 7648 break; 7649 default: 7650 /* Link indication on both PHYs with the following cases 7651 * is invalid: 7652 * - FIRST_PHY means that second phy wasn't initialized, 7653 * hence its link is expected to be down 7654 * - SECOND_PHY means that first phy should not be able 7655 * to link up by itself (using configuration) 7656 * - DEFAULT should be overriden during initialiazation 7657 */ 7658 ELINK_DEBUG_P1(sc, "Invalid link indication" 7659 "mpc=0x%x. DISABLING LINK !!!\n", 7660 params->multi_phy_config); 7661 ext_phy_link_up = 0; 7662 break; 7663 } 7664 } 7665 } 7666 prev_line_speed = vars->line_speed; 7667 /* Step 2: 7668 * Read the status of the internal phy. In case of 7669 * DIRECT_SINGLE_MEDIA board, this link is the external link, 7670 * otherwise this is the link between the 577xx and the first 7671 * external phy 7672 */ 7673 if (params->phy[ELINK_INT_PHY].read_status) 7674 params->phy[ELINK_INT_PHY].read_status( 7675 ¶ms->phy[ELINK_INT_PHY], 7676 params, vars); 7677 /* The INT_PHY flow control reside in the vars. This include the 7678 * case where the speed or flow control are not set to AUTO. 7679 * Otherwise, the active external phy flow control result is set 7680 * to the vars. The ext_phy_line_speed is needed to check if the 7681 * speed is different between the internal phy and external phy. 7682 * This case may be result of intermediate link speed change. 7683 */ 7684 if (active_external_phy > ELINK_INT_PHY) { 7685 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl; 7686 /* Link speed is taken from the XGXS. AN and FC result from 7687 * the external phy. 7688 */ 7689 vars->link_status |= phy_vars[active_external_phy].link_status; 7690 7691 /* if active_external_phy is first PHY and link is up - disable 7692 * disable TX on second external PHY 7693 */ 7694 if (active_external_phy == ELINK_EXT_PHY1) { 7695 if (params->phy[ELINK_EXT_PHY2].phy_specific_func) { 7696 ELINK_DEBUG_P0(sc, 7697 "Disabling TX on EXT_PHY2\n"); 7698 params->phy[ELINK_EXT_PHY2].phy_specific_func( 7699 ¶ms->phy[ELINK_EXT_PHY2], 7700 params, ELINK_DISABLE_TX); 7701 } 7702 } 7703 7704 ext_phy_line_speed = phy_vars[active_external_phy].line_speed; 7705 vars->duplex = phy_vars[active_external_phy].duplex; 7706 if (params->phy[active_external_phy].supported & 7707 ELINK_SUPPORTED_FIBRE) 7708 vars->link_status |= LINK_STATUS_SERDES_LINK; 7709 else 7710 vars->link_status &= ~LINK_STATUS_SERDES_LINK; 7711 7712 vars->eee_status = phy_vars[active_external_phy].eee_status; 7713 7714 ELINK_DEBUG_P1(sc, "Active external phy selected: %x\n", 7715 active_external_phy); 7716 } 7717 7718 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys; 7719 phy_index++) { 7720 if (params->phy[phy_index].flags & 7721 ELINK_FLAGS_REARM_LATCH_SIGNAL) { 7722 elink_rearm_latch_signal(sc, port, 7723 phy_index == 7724 active_external_phy); 7725 break; 7726 } 7727 } 7728 ELINK_DEBUG_P3(sc, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x," 7729 " ext_phy_line_speed = %d\n", vars->flow_ctrl, 7730 vars->link_status, ext_phy_line_speed); 7731 /* Upon link speed change set the NIG into drain mode. Comes to 7732 * deals with possible FIFO glitch due to clk change when speed 7733 * is decreased without link down indicator 7734 */ 7735 7736 if (vars->phy_link_up) { 7737 if (!(ELINK_SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up && 7738 (ext_phy_line_speed != vars->line_speed)) { 7739 ELINK_DEBUG_P2(sc, "Internal link speed %d is" 7740 " different than the external" 7741 " link speed %d\n", vars->line_speed, 7742 ext_phy_line_speed); 7743 vars->phy_link_up = 0; 7744 } else if (prev_line_speed != vars->line_speed) { 7745 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 7746 0); 7747 DELAY(1000 * 1); 7748 } 7749 } 7750 7751 /* Anything 10 and over uses the bmac */ 7752 link_10g_plus = (vars->line_speed >= ELINK_SPEED_10000); 7753 7754 elink_link_int_ack(params, vars, link_10g_plus); 7755 7756 /* In case external phy link is up, and internal link is down 7757 * (not initialized yet probably after link initialization, it 7758 * needs to be initialized. 7759 * Note that after link down-up as result of cable plug, the xgxs 7760 * link would probably become up again without the need 7761 * initialize it 7762 */ 7763 if (!(ELINK_SINGLE_MEDIA_DIRECT(params))) { 7764 ELINK_DEBUG_P3(sc, "ext_phy_link_up = %d, int_link_up = %d," 7765 " init_preceding = %d\n", ext_phy_link_up, 7766 vars->phy_link_up, 7767 params->phy[ELINK_EXT_PHY1].flags & 7768 ELINK_FLAGS_INIT_XGXS_FIRST); 7769 if (!(params->phy[ELINK_EXT_PHY1].flags & 7770 ELINK_FLAGS_INIT_XGXS_FIRST) 7771 && ext_phy_link_up && !vars->phy_link_up) { 7772 vars->line_speed = ext_phy_line_speed; 7773 if (vars->line_speed < ELINK_SPEED_1000) 7774 vars->phy_flags |= PHY_SGMII_FLAG; 7775 else 7776 vars->phy_flags &= ~PHY_SGMII_FLAG; 7777 7778 if (params->phy[ELINK_INT_PHY].config_init) 7779 params->phy[ELINK_INT_PHY].config_init( 7780 ¶ms->phy[ELINK_INT_PHY], params, 7781 vars); 7782 } 7783 } 7784 /* Link is up only if both local phy and external phy (in case of 7785 * non-direct board) are up and no fault detected on active PHY. 7786 */ 7787 vars->link_up = (vars->phy_link_up && 7788 (ext_phy_link_up || 7789 ELINK_SINGLE_MEDIA_DIRECT(params)) && 7790 (phy_vars[active_external_phy].fault_detected == 0)); 7791 7792 /* Update the PFC configuration in case it was changed */ 7793 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) 7794 vars->link_status |= LINK_STATUS_PFC_ENABLED; 7795 else 7796 vars->link_status &= ~LINK_STATUS_PFC_ENABLED; 7797 7798 if (vars->link_up) 7799 rc = elink_update_link_up(params, vars, link_10g_plus); 7800 else 7801 rc = elink_update_link_down(params, vars); 7802 7803 /* Update MCP link status was changed */ 7804 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_BC_SUPPORTS_AFEX) 7805 elink_cb_fw_command(sc, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0); 7806 7807 return rc; 7808} 7809 7810/*****************************************************************************/ 7811/* External Phy section */ 7812/*****************************************************************************/ 7813void elink_ext_phy_hw_reset(struct bxe_softc *sc, uint8_t port) 7814{ 7815 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1, 7816 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 7817 DELAY(1000 * 1); 7818 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1, 7819 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port); 7820} 7821 7822static void elink_save_spirom_version(struct bxe_softc *sc, uint8_t port, 7823 uint32_t spirom_ver, uint32_t ver_addr) 7824{ 7825 ELINK_DEBUG_P3(sc, "FW version 0x%x:0x%x for port %d\n", 7826 (uint16_t)(spirom_ver>>16), (uint16_t)spirom_ver, port); 7827 7828 if (ver_addr) 7829 REG_WR(sc, ver_addr, spirom_ver); 7830} 7831 7832static void elink_save_bcm_spirom_ver(struct bxe_softc *sc, 7833 struct elink_phy *phy, 7834 uint8_t port) 7835{ 7836 uint16_t fw_ver1, fw_ver2; 7837 7838 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 7839 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 7840 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 7841 MDIO_PMA_REG_ROM_VER2, &fw_ver2); 7842 elink_save_spirom_version(sc, port, (uint32_t)(fw_ver1<<16 | fw_ver2), 7843 phy->ver_addr); 7844} 7845 7846static void elink_ext_phy_10G_an_resolve(struct bxe_softc *sc, 7847 struct elink_phy *phy, 7848 struct elink_vars *vars) 7849{ 7850 uint16_t val; 7851 elink_cl45_read(sc, phy, 7852 MDIO_AN_DEVAD, 7853 MDIO_AN_REG_STATUS, &val); 7854 elink_cl45_read(sc, phy, 7855 MDIO_AN_DEVAD, 7856 MDIO_AN_REG_STATUS, &val); 7857 if (val & (1<<5)) 7858 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 7859 if ((val & (1<<0)) == 0) 7860 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED; 7861} 7862 7863/******************************************************************/ 7864/* common BCM8073/BCM8727 PHY SECTION */ 7865/******************************************************************/ 7866static void elink_8073_resolve_fc(struct elink_phy *phy, 7867 struct elink_params *params, 7868 struct elink_vars *vars) 7869{ 7870 struct bxe_softc *sc = params->sc; 7871 if (phy->req_line_speed == ELINK_SPEED_10 || 7872 phy->req_line_speed == ELINK_SPEED_100) { 7873 vars->flow_ctrl = phy->req_flow_ctrl; 7874 return; 7875 } 7876 7877 if (elink_ext_phy_resolve_fc(phy, params, vars) && 7878 (vars->flow_ctrl == ELINK_FLOW_CTRL_NONE)) { 7879 uint16_t pause_result; 7880 uint16_t ld_pause; /* local */ 7881 uint16_t lp_pause; /* link partner */ 7882 elink_cl45_read(sc, phy, 7883 MDIO_AN_DEVAD, 7884 MDIO_AN_REG_CL37_FC_LD, &ld_pause); 7885 7886 elink_cl45_read(sc, phy, 7887 MDIO_AN_DEVAD, 7888 MDIO_AN_REG_CL37_FC_LP, &lp_pause); 7889 pause_result = (ld_pause & 7890 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5; 7891 pause_result |= (lp_pause & 7892 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7; 7893 7894 elink_pause_resolve(vars, pause_result); 7895 ELINK_DEBUG_P1(sc, "Ext PHY CL37 pause result 0x%x\n", 7896 pause_result); 7897 } 7898} 7899static elink_status_t elink_8073_8727_external_rom_boot(struct bxe_softc *sc, 7900 struct elink_phy *phy, 7901 uint8_t port) 7902{ 7903 uint32_t count = 0; 7904 uint16_t fw_ver1, fw_msgout; 7905 elink_status_t rc = ELINK_STATUS_OK; 7906 7907 /* Boot port from external ROM */ 7908 /* EDC grst */ 7909 elink_cl45_write(sc, phy, 7910 MDIO_PMA_DEVAD, 7911 MDIO_PMA_REG_GEN_CTRL, 7912 0x0001); 7913 7914 /* Ucode reboot and rst */ 7915 elink_cl45_write(sc, phy, 7916 MDIO_PMA_DEVAD, 7917 MDIO_PMA_REG_GEN_CTRL, 7918 0x008c); 7919 7920 elink_cl45_write(sc, phy, 7921 MDIO_PMA_DEVAD, 7922 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 7923 7924 /* Reset internal microprocessor */ 7925 elink_cl45_write(sc, phy, 7926 MDIO_PMA_DEVAD, 7927 MDIO_PMA_REG_GEN_CTRL, 7928 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 7929 7930 /* Release srst bit */ 7931 elink_cl45_write(sc, phy, 7932 MDIO_PMA_DEVAD, 7933 MDIO_PMA_REG_GEN_CTRL, 7934 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 7935 7936 /* Delay 100ms per the PHY specifications */ 7937 DELAY(1000 * 100); 7938 7939 /* 8073 sometimes taking longer to download */ 7940 do { 7941 count++; 7942 if (count > 300) { 7943 ELINK_DEBUG_P2(sc, 7944 "elink_8073_8727_external_rom_boot port %x:" 7945 "Download failed. fw version = 0x%x\n", 7946 port, fw_ver1); 7947 rc = ELINK_STATUS_ERROR; 7948 break; 7949 } 7950 7951 elink_cl45_read(sc, phy, 7952 MDIO_PMA_DEVAD, 7953 MDIO_PMA_REG_ROM_VER1, &fw_ver1); 7954 elink_cl45_read(sc, phy, 7955 MDIO_PMA_DEVAD, 7956 MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout); 7957 7958 DELAY(1000 * 1); 7959 } while (fw_ver1 == 0 || fw_ver1 == 0x4321 || 7960 ((fw_msgout & 0xff) != 0x03 && (phy->type == 7961 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))); 7962 7963 /* Clear ser_boot_ctl bit */ 7964 elink_cl45_write(sc, phy, 7965 MDIO_PMA_DEVAD, 7966 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 7967 elink_save_bcm_spirom_ver(sc, phy, port); 7968 7969 ELINK_DEBUG_P2(sc, 7970 "elink_8073_8727_external_rom_boot port %x:" 7971 "Download complete. fw version = 0x%x\n", 7972 port, fw_ver1); 7973 7974 return rc; 7975} 7976 7977/******************************************************************/ 7978/* BCM8073 PHY SECTION */ 7979/******************************************************************/ 7980static elink_status_t elink_8073_is_snr_needed(struct bxe_softc *sc, struct elink_phy *phy) 7981{ 7982 /* This is only required for 8073A1, version 102 only */ 7983 uint16_t val; 7984 7985 /* Read 8073 HW revision*/ 7986 elink_cl45_read(sc, phy, 7987 MDIO_PMA_DEVAD, 7988 MDIO_PMA_REG_8073_CHIP_REV, &val); 7989 7990 if (val != 1) { 7991 /* No need to workaround in 8073 A1 */ 7992 return ELINK_STATUS_OK; 7993 } 7994 7995 elink_cl45_read(sc, phy, 7996 MDIO_PMA_DEVAD, 7997 MDIO_PMA_REG_ROM_VER2, &val); 7998 7999 /* SNR should be applied only for version 0x102 */ 8000 if (val != 0x102) 8001 return ELINK_STATUS_OK; 8002 8003 return 1; 8004} 8005 8006static elink_status_t elink_8073_xaui_wa(struct bxe_softc *sc, struct elink_phy *phy) 8007{ 8008 uint16_t val, cnt, cnt1 ; 8009 8010 elink_cl45_read(sc, phy, 8011 MDIO_PMA_DEVAD, 8012 MDIO_PMA_REG_8073_CHIP_REV, &val); 8013 8014 if (val > 0) { 8015 /* No need to workaround in 8073 A1 */ 8016 return ELINK_STATUS_OK; 8017 } 8018 /* XAUI workaround in 8073 A0: */ 8019 8020 /* After loading the boot ROM and restarting Autoneg, poll 8021 * Dev1, Reg $C820: 8022 */ 8023 8024 for (cnt = 0; cnt < 1000; cnt++) { 8025 elink_cl45_read(sc, phy, 8026 MDIO_PMA_DEVAD, 8027 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 8028 &val); 8029 /* If bit [14] = 0 or bit [13] = 0, continue on with 8030 * system initialization (XAUI work-around not required, as 8031 * these bits indicate 2.5G or 1G link up). 8032 */ 8033 if (!(val & (1<<14)) || !(val & (1<<13))) { 8034 ELINK_DEBUG_P0(sc, "XAUI work-around not required\n"); 8035 return ELINK_STATUS_OK; 8036 } else if (!(val & (1<<15))) { 8037 ELINK_DEBUG_P0(sc, "bit 15 went off\n"); 8038 /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's 8039 * MSB (bit15) goes to 1 (indicating that the XAUI 8040 * workaround has completed), then continue on with 8041 * system initialization. 8042 */ 8043 for (cnt1 = 0; cnt1 < 1000; cnt1++) { 8044 elink_cl45_read(sc, phy, 8045 MDIO_PMA_DEVAD, 8046 MDIO_PMA_REG_8073_XAUI_WA, &val); 8047 if (val & (1<<15)) { 8048 ELINK_DEBUG_P0(sc, 8049 "XAUI workaround has completed\n"); 8050 return ELINK_STATUS_OK; 8051 } 8052 DELAY(1000 * 3); 8053 } 8054 break; 8055 } 8056 DELAY(1000 * 3); 8057 } 8058 ELINK_DEBUG_P0(sc, "Warning: XAUI work-around timeout !!!\n"); 8059 return ELINK_STATUS_ERROR; 8060} 8061 8062static void elink_807x_force_10G(struct bxe_softc *sc, struct elink_phy *phy) 8063{ 8064 /* Force KR or KX */ 8065 elink_cl45_write(sc, phy, 8066 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 8067 elink_cl45_write(sc, phy, 8068 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b); 8069 elink_cl45_write(sc, phy, 8070 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000); 8071 elink_cl45_write(sc, phy, 8072 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 8073} 8074 8075static void elink_8073_set_pause_cl37(struct elink_params *params, 8076 struct elink_phy *phy, 8077 struct elink_vars *vars) 8078{ 8079 uint16_t cl37_val; 8080 struct bxe_softc *sc = params->sc; 8081 elink_cl45_read(sc, phy, 8082 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val); 8083 8084 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 8085 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 8086 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 8087 if ((vars->ieee_fc & 8088 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) == 8089 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) { 8090 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC; 8091 } 8092 if ((vars->ieee_fc & 8093 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 8094 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) { 8095 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC; 8096 } 8097 if ((vars->ieee_fc & 8098 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 8099 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) { 8100 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH; 8101 } 8102 ELINK_DEBUG_P1(sc, 8103 "Ext phy AN advertize cl37 0x%x\n", cl37_val); 8104 8105 elink_cl45_write(sc, phy, 8106 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val); 8107 DELAY(1000 * 500); 8108} 8109 8110static void elink_8073_specific_func(struct elink_phy *phy, 8111 struct elink_params *params, 8112 uint32_t action) 8113{ 8114 struct bxe_softc *sc = params->sc; 8115 switch (action) { 8116 case ELINK_PHY_INIT: 8117 /* Enable LASI */ 8118 elink_cl45_write(sc, phy, 8119 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2)); 8120 elink_cl45_write(sc, phy, 8121 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004); 8122 break; 8123 } 8124} 8125 8126static elink_status_t elink_8073_config_init(struct elink_phy *phy, 8127 struct elink_params *params, 8128 struct elink_vars *vars) 8129{ 8130 struct bxe_softc *sc = params->sc; 8131 uint16_t val = 0, tmp1; 8132 uint8_t gpio_port; 8133 ELINK_DEBUG_P0(sc, "Init 8073\n"); 8134 8135 if (CHIP_IS_E2(sc)) 8136 gpio_port = SC_PATH(sc); 8137 else 8138 gpio_port = params->port; 8139 /* Restore normal power mode*/ 8140 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 8141 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 8142 8143 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1, 8144 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port); 8145 8146 elink_8073_specific_func(phy, params, ELINK_PHY_INIT); 8147 elink_8073_set_pause_cl37(params, phy, vars); 8148 8149 elink_cl45_read(sc, phy, 8150 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 8151 8152 elink_cl45_read(sc, phy, 8153 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 8154 8155 ELINK_DEBUG_P1(sc, "Before rom RX_ALARM(port1): 0x%x\n", tmp1); 8156 8157 /* Swap polarity if required - Must be done only in non-1G mode */ 8158 if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 8159 /* Configure the 8073 to swap _P and _N of the KR lines */ 8160 ELINK_DEBUG_P0(sc, "Swapping polarity for the 8073\n"); 8161 /* 10G Rx/Tx and 1G Tx signal polarity swap */ 8162 elink_cl45_read(sc, phy, 8163 MDIO_PMA_DEVAD, 8164 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val); 8165 elink_cl45_write(sc, phy, 8166 MDIO_PMA_DEVAD, 8167 MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, 8168 (val | (3<<9))); 8169 } 8170 8171 8172 /* Enable CL37 BAM */ 8173 if (REG_RD(sc, params->shmem_base + 8174 offsetof(struct shmem_region, dev_info. 8175 port_hw_config[params->port].default_cfg)) & 8176 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) { 8177 8178 elink_cl45_read(sc, phy, 8179 MDIO_AN_DEVAD, 8180 MDIO_AN_REG_8073_BAM, &val); 8181 elink_cl45_write(sc, phy, 8182 MDIO_AN_DEVAD, 8183 MDIO_AN_REG_8073_BAM, val | 1); 8184 ELINK_DEBUG_P0(sc, "Enable CL37 BAM on KR\n"); 8185 } 8186 if (params->loopback_mode == ELINK_LOOPBACK_EXT) { 8187 elink_807x_force_10G(sc, phy); 8188 ELINK_DEBUG_P0(sc, "Forced speed 10G on 807X\n"); 8189 return ELINK_STATUS_OK; 8190 } else { 8191 elink_cl45_write(sc, phy, 8192 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002); 8193 } 8194 if (phy->req_line_speed != ELINK_SPEED_AUTO_NEG) { 8195 if (phy->req_line_speed == ELINK_SPEED_10000) { 8196 val = (1<<7); 8197 } else if (phy->req_line_speed == ELINK_SPEED_2500) { 8198 val = (1<<5); 8199 /* Note that 2.5G works only when used with 1G 8200 * advertisement 8201 */ 8202 } else 8203 val = (1<<5); 8204 } else { 8205 val = 0; 8206 if (phy->speed_cap_mask & 8207 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) 8208 val |= (1<<7); 8209 8210 /* Note that 2.5G works only when used with 1G advertisement */ 8211 if (phy->speed_cap_mask & 8212 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G | 8213 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) 8214 val |= (1<<5); 8215 ELINK_DEBUG_P1(sc, "807x autoneg val = 0x%x\n", val); 8216 } 8217 8218 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val); 8219 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1); 8220 8221 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) && 8222 (phy->req_line_speed == ELINK_SPEED_AUTO_NEG)) || 8223 (phy->req_line_speed == ELINK_SPEED_2500)) { 8224 uint16_t phy_ver; 8225 /* Allow 2.5G for A1 and above */ 8226 elink_cl45_read(sc, phy, 8227 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, 8228 &phy_ver); 8229 ELINK_DEBUG_P0(sc, "Add 2.5G\n"); 8230 if (phy_ver > 0) 8231 tmp1 |= 1; 8232 else 8233 tmp1 &= 0xfffe; 8234 } else { 8235 ELINK_DEBUG_P0(sc, "Disable 2.5G\n"); 8236 tmp1 &= 0xfffe; 8237 } 8238 8239 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1); 8240 /* Add support for CL37 (passive mode) II */ 8241 8242 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1); 8243 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 8244 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ? 8245 0x20 : 0x40))); 8246 8247 /* Add support for CL37 (passive mode) III */ 8248 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 8249 8250 /* The SNR will improve about 2db by changing BW and FEE main 8251 * tap. Rest commands are executed after link is up 8252 * Change FFE main cursor to 5 in EDC register 8253 */ 8254 if (elink_8073_is_snr_needed(sc, phy)) 8255 elink_cl45_write(sc, phy, 8256 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN, 8257 0xFB0C); 8258 8259 /* Enable FEC (Forware Error Correction) Request in the AN */ 8260 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1); 8261 tmp1 |= (1<<15); 8262 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1); 8263 8264 elink_ext_phy_set_pause(params, phy, vars); 8265 8266 /* Restart autoneg */ 8267 DELAY(1000 * 500); 8268 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 8269 ELINK_DEBUG_P2(sc, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n", 8270 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0)); 8271 return ELINK_STATUS_OK; 8272} 8273 8274static uint8_t elink_8073_read_status(struct elink_phy *phy, 8275 struct elink_params *params, 8276 struct elink_vars *vars) 8277{ 8278 struct bxe_softc *sc = params->sc; 8279 uint8_t link_up = 0; 8280 uint16_t val1, val2; 8281 uint16_t link_status = 0; 8282 uint16_t an1000_status = 0; 8283 8284 elink_cl45_read(sc, phy, 8285 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 8286 8287 ELINK_DEBUG_P1(sc, "8703 LASI status 0x%x\n", val1); 8288 8289 /* Clear the interrupt LASI status register */ 8290 elink_cl45_read(sc, phy, 8291 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 8292 elink_cl45_read(sc, phy, 8293 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1); 8294 ELINK_DEBUG_P2(sc, "807x PCS status 0x%x->0x%x\n", val2, val1); 8295 /* Clear MSG-OUT */ 8296 elink_cl45_read(sc, phy, 8297 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 8298 8299 /* Check the LASI */ 8300 elink_cl45_read(sc, phy, 8301 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 8302 8303 ELINK_DEBUG_P1(sc, "KR 0x9003 0x%x\n", val2); 8304 8305 /* Check the link status */ 8306 elink_cl45_read(sc, phy, 8307 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2); 8308 ELINK_DEBUG_P1(sc, "KR PCS status 0x%x\n", val2); 8309 8310 elink_cl45_read(sc, phy, 8311 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 8312 elink_cl45_read(sc, phy, 8313 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 8314 link_up = ((val1 & 4) == 4); 8315 ELINK_DEBUG_P1(sc, "PMA_REG_STATUS=0x%x\n", val1); 8316 8317 if (link_up && 8318 ((phy->req_line_speed != ELINK_SPEED_10000))) { 8319 if (elink_8073_xaui_wa(sc, phy) != 0) 8320 return 0; 8321 } 8322 elink_cl45_read(sc, phy, 8323 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 8324 elink_cl45_read(sc, phy, 8325 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status); 8326 8327 /* Check the link status on 1.1.2 */ 8328 elink_cl45_read(sc, phy, 8329 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 8330 elink_cl45_read(sc, phy, 8331 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 8332 ELINK_DEBUG_P3(sc, "KR PMA status 0x%x->0x%x," 8333 "an_link_status=0x%x\n", val2, val1, an1000_status); 8334 8335 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1))); 8336 if (link_up && elink_8073_is_snr_needed(sc, phy)) { 8337 /* The SNR will improve about 2dbby changing the BW and FEE main 8338 * tap. The 1st write to change FFE main tap is set before 8339 * restart AN. Change PLL Bandwidth in EDC register 8340 */ 8341 elink_cl45_write(sc, phy, 8342 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH, 8343 0x26BC); 8344 8345 /* Change CDR Bandwidth in EDC register */ 8346 elink_cl45_write(sc, phy, 8347 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH, 8348 0x0333); 8349 } 8350 elink_cl45_read(sc, phy, 8351 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS, 8352 &link_status); 8353 8354 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */ 8355 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 8356 link_up = 1; 8357 vars->line_speed = ELINK_SPEED_10000; 8358 ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n", 8359 params->port); 8360 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) { 8361 link_up = 1; 8362 vars->line_speed = ELINK_SPEED_2500; 8363 ELINK_DEBUG_P1(sc, "port %x: External link up in 2.5G\n", 8364 params->port); 8365 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 8366 link_up = 1; 8367 vars->line_speed = ELINK_SPEED_1000; 8368 ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n", 8369 params->port); 8370 } else { 8371 link_up = 0; 8372 ELINK_DEBUG_P1(sc, "port %x: External link is down\n", 8373 params->port); 8374 } 8375 8376 if (link_up) { 8377 /* Swap polarity if required */ 8378 if (params->lane_config & 8379 PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) { 8380 /* Configure the 8073 to swap P and N of the KR lines */ 8381 elink_cl45_read(sc, phy, 8382 MDIO_XS_DEVAD, 8383 MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1); 8384 /* Set bit 3 to invert Rx in 1G mode and clear this bit 8385 * when it`s in 10G mode. 8386 */ 8387 if (vars->line_speed == ELINK_SPEED_1000) { 8388 ELINK_DEBUG_P0(sc, "Swapping 1G polarity for" 8389 "the 8073\n"); 8390 val1 |= (1<<3); 8391 } else 8392 val1 &= ~(1<<3); 8393 8394 elink_cl45_write(sc, phy, 8395 MDIO_XS_DEVAD, 8396 MDIO_XS_REG_8073_RX_CTRL_PCIE, 8397 val1); 8398 } 8399 elink_ext_phy_10G_an_resolve(sc, phy, vars); 8400 elink_8073_resolve_fc(phy, params, vars); 8401 vars->duplex = DUPLEX_FULL; 8402 } 8403 8404 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 8405 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 8406 MDIO_AN_REG_LP_AUTO_NEG2, &val1); 8407 8408 if (val1 & (1<<5)) 8409 vars->link_status |= 8410 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 8411 if (val1 & (1<<7)) 8412 vars->link_status |= 8413 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 8414 } 8415 8416 return link_up; 8417} 8418 8419static void elink_8073_link_reset(struct elink_phy *phy, 8420 struct elink_params *params) 8421{ 8422 struct bxe_softc *sc = params->sc; 8423 uint8_t gpio_port; 8424 if (CHIP_IS_E2(sc)) 8425 gpio_port = SC_PATH(sc); 8426 else 8427 gpio_port = params->port; 8428 ELINK_DEBUG_P1(sc, "Setting 8073 port %d into low power mode\n", 8429 gpio_port); 8430 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 8431 MISC_REGISTERS_GPIO_OUTPUT_LOW, 8432 gpio_port); 8433} 8434 8435/******************************************************************/ 8436/* BCM8705 PHY SECTION */ 8437/******************************************************************/ 8438static elink_status_t elink_8705_config_init(struct elink_phy *phy, 8439 struct elink_params *params, 8440 struct elink_vars *vars) 8441{ 8442 struct bxe_softc *sc = params->sc; 8443 ELINK_DEBUG_P0(sc, "init 8705\n"); 8444 /* Restore normal power mode*/ 8445 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 8446 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 8447 /* HW reset */ 8448 elink_ext_phy_hw_reset(sc, params->port); 8449 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 8450 elink_wait_reset_complete(sc, phy, params); 8451 8452 elink_cl45_write(sc, phy, 8453 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288); 8454 elink_cl45_write(sc, phy, 8455 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf); 8456 elink_cl45_write(sc, phy, 8457 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100); 8458 elink_cl45_write(sc, phy, 8459 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1); 8460 /* BCM8705 doesn't have microcode, hence the 0 */ 8461 elink_save_spirom_version(sc, params->port, params->shmem_base, 0); 8462 return ELINK_STATUS_OK; 8463} 8464 8465static uint8_t elink_8705_read_status(struct elink_phy *phy, 8466 struct elink_params *params, 8467 struct elink_vars *vars) 8468{ 8469 uint8_t link_up = 0; 8470 uint16_t val1, rx_sd; 8471 struct bxe_softc *sc = params->sc; 8472 ELINK_DEBUG_P0(sc, "read status 8705\n"); 8473 elink_cl45_read(sc, phy, 8474 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 8475 ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1); 8476 8477 elink_cl45_read(sc, phy, 8478 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1); 8479 ELINK_DEBUG_P1(sc, "8705 LASI status 0x%x\n", val1); 8480 8481 elink_cl45_read(sc, phy, 8482 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 8483 8484 elink_cl45_read(sc, phy, 8485 MDIO_PMA_DEVAD, 0xc809, &val1); 8486 elink_cl45_read(sc, phy, 8487 MDIO_PMA_DEVAD, 0xc809, &val1); 8488 8489 ELINK_DEBUG_P1(sc, "8705 1.c809 val=0x%x\n", val1); 8490 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0)); 8491 if (link_up) { 8492 vars->line_speed = ELINK_SPEED_10000; 8493 elink_ext_phy_resolve_fc(phy, params, vars); 8494 } 8495 return link_up; 8496} 8497 8498/******************************************************************/ 8499/* SFP+ module Section */ 8500/******************************************************************/ 8501static void elink_set_disable_pmd_transmit(struct elink_params *params, 8502 struct elink_phy *phy, 8503 uint8_t pmd_dis) 8504{ 8505 struct bxe_softc *sc = params->sc; 8506 /* Disable transmitter only for bootcodes which can enable it afterwards 8507 * (for D3 link) 8508 */ 8509 if (pmd_dis) { 8510 if (params->feature_config_flags & 8511 ELINK_FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED) { 8512 ELINK_DEBUG_P0(sc, "Disabling PMD transmitter\n"); 8513 } else { 8514 ELINK_DEBUG_P0(sc, "NOT disabling PMD transmitter\n"); 8515 return; 8516 } 8517 } else 8518 ELINK_DEBUG_P0(sc, "Enabling PMD transmitter\n"); 8519 elink_cl45_write(sc, phy, 8520 MDIO_PMA_DEVAD, 8521 MDIO_PMA_REG_TX_DISABLE, pmd_dis); 8522} 8523 8524static uint8_t elink_get_gpio_port(struct elink_params *params) 8525{ 8526 uint8_t gpio_port; 8527 uint32_t swap_val, swap_override; 8528 struct bxe_softc *sc = params->sc; 8529 if (CHIP_IS_E2(sc)) 8530 gpio_port = SC_PATH(sc); 8531 else 8532 gpio_port = params->port; 8533 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP); 8534 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE); 8535 return gpio_port ^ (swap_val && swap_override); 8536} 8537 8538static void elink_sfp_e1e2_set_transmitter(struct elink_params *params, 8539 struct elink_phy *phy, 8540 uint8_t tx_en) 8541{ 8542 uint16_t val; 8543 uint8_t port = params->port; 8544 struct bxe_softc *sc = params->sc; 8545 uint32_t tx_en_mode; 8546 8547 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/ 8548 tx_en_mode = REG_RD(sc, params->shmem_base + 8549 offsetof(struct shmem_region, 8550 dev_info.port_hw_config[port].sfp_ctrl)) & 8551 PORT_HW_CFG_TX_LASER_MASK; 8552 ELINK_DEBUG_P3(sc, "Setting transmitter tx_en=%x for port %x " 8553 "mode = %x\n", tx_en, port, tx_en_mode); 8554 switch (tx_en_mode) { 8555 case PORT_HW_CFG_TX_LASER_MDIO: 8556 8557 elink_cl45_read(sc, phy, 8558 MDIO_PMA_DEVAD, 8559 MDIO_PMA_REG_PHY_IDENTIFIER, 8560 &val); 8561 8562 if (tx_en) 8563 val &= ~(1<<15); 8564 else 8565 val |= (1<<15); 8566 8567 elink_cl45_write(sc, phy, 8568 MDIO_PMA_DEVAD, 8569 MDIO_PMA_REG_PHY_IDENTIFIER, 8570 val); 8571 break; 8572 case PORT_HW_CFG_TX_LASER_GPIO0: 8573 case PORT_HW_CFG_TX_LASER_GPIO1: 8574 case PORT_HW_CFG_TX_LASER_GPIO2: 8575 case PORT_HW_CFG_TX_LASER_GPIO3: 8576 { 8577 uint16_t gpio_pin; 8578 uint8_t gpio_port, gpio_mode; 8579 if (tx_en) 8580 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH; 8581 else 8582 gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW; 8583 8584 gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0; 8585 gpio_port = elink_get_gpio_port(params); 8586 elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port); 8587 break; 8588 } 8589 default: 8590 ELINK_DEBUG_P1(sc, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode); 8591 break; 8592 } 8593} 8594 8595static void elink_sfp_set_transmitter(struct elink_params *params, 8596 struct elink_phy *phy, 8597 uint8_t tx_en) 8598{ 8599 struct bxe_softc *sc = params->sc; 8600 ELINK_DEBUG_P1(sc, "Setting SFP+ transmitter to %d\n", tx_en); 8601 if (CHIP_IS_E3(sc)) 8602 elink_sfp_e3_set_transmitter(params, phy, tx_en); 8603 else 8604 elink_sfp_e1e2_set_transmitter(params, phy, tx_en); 8605} 8606 8607static elink_status_t elink_8726_read_sfp_module_eeprom(struct elink_phy *phy, 8608 struct elink_params *params, 8609 uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt, 8610 uint8_t *o_buf, uint8_t is_init) 8611{ 8612 struct bxe_softc *sc = params->sc; 8613 uint16_t val = 0; 8614 uint16_t i; 8615 if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) { 8616 ELINK_DEBUG_P0(sc, 8617 "Reading from eeprom is limited to 0xf\n"); 8618 return ELINK_STATUS_ERROR; 8619 } 8620 /* Set the read command byte count */ 8621 elink_cl45_write(sc, phy, 8622 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 8623 (byte_cnt | (dev_addr << 8))); 8624 8625 /* Set the read command address */ 8626 elink_cl45_write(sc, phy, 8627 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 8628 addr); 8629 8630 /* Activate read command */ 8631 elink_cl45_write(sc, phy, 8632 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 8633 0x2c0f); 8634 8635 /* Wait up to 500us for command complete status */ 8636 for (i = 0; i < 100; i++) { 8637 elink_cl45_read(sc, phy, 8638 MDIO_PMA_DEVAD, 8639 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 8640 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 8641 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 8642 break; 8643 DELAY(5); 8644 } 8645 8646 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 8647 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 8648 ELINK_DEBUG_P1(sc, 8649 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 8650 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 8651 return ELINK_STATUS_ERROR; 8652 } 8653 8654 /* Read the buffer */ 8655 for (i = 0; i < byte_cnt; i++) { 8656 elink_cl45_read(sc, phy, 8657 MDIO_PMA_DEVAD, 8658 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val); 8659 o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK); 8660 } 8661 8662 for (i = 0; i < 100; i++) { 8663 elink_cl45_read(sc, phy, 8664 MDIO_PMA_DEVAD, 8665 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 8666 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 8667 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 8668 return ELINK_STATUS_OK; 8669 DELAY(1000 * 1); 8670 } 8671 return ELINK_STATUS_ERROR; 8672} 8673 8674static void elink_warpcore_power_module(struct elink_params *params, 8675 uint8_t power) 8676{ 8677 uint32_t pin_cfg; 8678 struct bxe_softc *sc = params->sc; 8679 8680 pin_cfg = (REG_RD(sc, params->shmem_base + 8681 offsetof(struct shmem_region, 8682 dev_info.port_hw_config[params->port].e3_sfp_ctrl)) & 8683 PORT_HW_CFG_E3_PWR_DIS_MASK) >> 8684 PORT_HW_CFG_E3_PWR_DIS_SHIFT; 8685 8686 if (pin_cfg == PIN_CFG_NA) 8687 return; 8688 ELINK_DEBUG_P2(sc, "Setting SFP+ module power to %d using pin cfg %d\n", 8689 power, pin_cfg); 8690 /* Low ==> corresponding SFP+ module is powered 8691 * high ==> the SFP+ module is powered down 8692 */ 8693 elink_set_cfg_pin(sc, pin_cfg, power ^ 1); 8694} 8695static elink_status_t elink_warpcore_read_sfp_module_eeprom(struct elink_phy *phy, 8696 struct elink_params *params, 8697 uint8_t dev_addr, 8698 uint16_t addr, uint8_t byte_cnt, 8699 uint8_t *o_buf, uint8_t is_init) 8700{ 8701 elink_status_t rc = ELINK_STATUS_OK; 8702 uint8_t i, j = 0, cnt = 0; 8703 uint32_t data_array[4]; 8704 uint16_t addr32; 8705 struct bxe_softc *sc = params->sc; 8706 8707 if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) { 8708 ELINK_DEBUG_P0(sc, 8709 "Reading from eeprom is limited to 16 bytes\n"); 8710 return ELINK_STATUS_ERROR; 8711 } 8712 8713 /* 4 byte aligned address */ 8714 addr32 = addr & (~0x3); 8715 do { 8716 if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) { 8717 elink_warpcore_power_module(params, 0); 8718 /* Note that 100us are not enough here */ 8719 DELAY(1000 * 1); 8720 elink_warpcore_power_module(params, 1); 8721 } 8722 rc = elink_bsc_read(params, sc, dev_addr, addr32, 0, byte_cnt, 8723 data_array); 8724 } while ((rc != ELINK_STATUS_OK) && (++cnt < I2C_WA_RETRY_CNT)); 8725 8726 if (rc == ELINK_STATUS_OK) { 8727 for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) { 8728 o_buf[j] = *((uint8_t *)data_array + i); 8729 j++; 8730 } 8731 } 8732 8733 return rc; 8734} 8735 8736static elink_status_t elink_8727_read_sfp_module_eeprom(struct elink_phy *phy, 8737 struct elink_params *params, 8738 uint8_t dev_addr, uint16_t addr, uint8_t byte_cnt, 8739 uint8_t *o_buf, uint8_t is_init) 8740{ 8741 struct bxe_softc *sc = params->sc; 8742 uint16_t val, i; 8743 8744 if (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) { 8745 ELINK_DEBUG_P0(sc, 8746 "Reading from eeprom is limited to 0xf\n"); 8747 return ELINK_STATUS_ERROR; 8748 } 8749 8750 /* Set 2-wire transfer rate of SFP+ module EEPROM 8751 * to 100Khz since some DACs(direct attached cables) do 8752 * not work at 400Khz. 8753 */ 8754 elink_cl45_write(sc, phy, 8755 MDIO_PMA_DEVAD, 8756 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, 8757 ((dev_addr << 8) | 1)); 8758 8759 /* Need to read from 1.8000 to clear it */ 8760 elink_cl45_read(sc, phy, 8761 MDIO_PMA_DEVAD, 8762 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 8763 &val); 8764 8765 /* Set the read command byte count */ 8766 elink_cl45_write(sc, phy, 8767 MDIO_PMA_DEVAD, 8768 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT, 8769 ((byte_cnt < 2) ? 2 : byte_cnt)); 8770 8771 /* Set the read command address */ 8772 elink_cl45_write(sc, phy, 8773 MDIO_PMA_DEVAD, 8774 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR, 8775 addr); 8776 /* Set the destination address */ 8777 elink_cl45_write(sc, phy, 8778 MDIO_PMA_DEVAD, 8779 0x8004, 8780 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF); 8781 8782 /* Activate read command */ 8783 elink_cl45_write(sc, phy, 8784 MDIO_PMA_DEVAD, 8785 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, 8786 0x8002); 8787 /* Wait appropriate time for two-wire command to finish before 8788 * polling the status register 8789 */ 8790 DELAY(1000 * 1); 8791 8792 /* Wait up to 500us for command complete status */ 8793 for (i = 0; i < 100; i++) { 8794 elink_cl45_read(sc, phy, 8795 MDIO_PMA_DEVAD, 8796 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 8797 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 8798 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) 8799 break; 8800 DELAY(5); 8801 } 8802 8803 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) != 8804 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) { 8805 ELINK_DEBUG_P1(sc, 8806 "Got bad status 0x%x when reading from SFP+ EEPROM\n", 8807 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK)); 8808 return ELINK_STATUS_TIMEOUT; 8809 } 8810 8811 /* Read the buffer */ 8812 for (i = 0; i < byte_cnt; i++) { 8813 elink_cl45_read(sc, phy, 8814 MDIO_PMA_DEVAD, 8815 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val); 8816 o_buf[i] = (uint8_t)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK); 8817 } 8818 8819 for (i = 0; i < 100; i++) { 8820 elink_cl45_read(sc, phy, 8821 MDIO_PMA_DEVAD, 8822 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val); 8823 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) == 8824 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE) 8825 return ELINK_STATUS_OK; 8826 DELAY(1000 * 1); 8827 } 8828 8829 return ELINK_STATUS_ERROR; 8830} 8831elink_status_t elink_read_sfp_module_eeprom(struct elink_phy *phy, 8832 struct elink_params *params, uint8_t dev_addr, 8833 uint16_t addr, uint16_t byte_cnt, uint8_t *o_buf) 8834{ 8835 elink_status_t rc = 0; 8836 struct bxe_softc *sc = params->sc; 8837 uint8_t xfer_size; 8838 uint8_t *user_data = o_buf; 8839 read_sfp_module_eeprom_func_p read_func; 8840 if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) { 8841 ELINK_DEBUG_P1(sc, "invalid dev_addr 0x%x\n", dev_addr); 8842 return ELINK_STATUS_ERROR; 8843 } 8844 8845 switch (phy->type) { 8846 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 8847 read_func = elink_8726_read_sfp_module_eeprom; 8848 break; 8849 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 8850 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 8851 read_func = elink_8727_read_sfp_module_eeprom; 8852 break; 8853 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 8854 read_func = elink_warpcore_read_sfp_module_eeprom; 8855 break; 8856 default: 8857 return ELINK_OP_NOT_SUPPORTED; 8858 } 8859 8860 while (!rc && (byte_cnt > 0)) { 8861 xfer_size = (byte_cnt > ELINK_SFP_EEPROM_PAGE_SIZE) ? 8862 ELINK_SFP_EEPROM_PAGE_SIZE : byte_cnt; 8863 rc = read_func(phy, params, dev_addr, addr, xfer_size, 8864 user_data, 0); 8865 byte_cnt -= xfer_size; 8866 user_data += xfer_size; 8867 addr += xfer_size; 8868 } 8869 return rc; 8870} 8871 8872static elink_status_t elink_get_edc_mode(struct elink_phy *phy, 8873 struct elink_params *params, 8874 uint16_t *edc_mode) 8875{ 8876 struct bxe_softc *sc = params->sc; 8877 uint32_t sync_offset = 0, phy_idx, media_types; 8878 uint8_t gport, val[2], check_limiting_mode = 0; 8879 *edc_mode = ELINK_EDC_MODE_LIMITING; 8880 phy->media_type = ELINK_ETH_PHY_UNSPECIFIED; 8881 /* First check for copper cable */ 8882 if (elink_read_sfp_module_eeprom(phy, 8883 params, 8884 ELINK_I2C_DEV_ADDR_A0, 8885 ELINK_SFP_EEPROM_CON_TYPE_ADDR, 8886 2, 8887 (uint8_t *)val) != 0) { 8888 ELINK_DEBUG_P0(sc, "Failed to read from SFP+ module EEPROM\n"); 8889 return ELINK_STATUS_ERROR; 8890 } 8891 8892 switch (val[0]) { 8893 case ELINK_SFP_EEPROM_CON_TYPE_VAL_COPPER: 8894 { 8895 uint8_t copper_module_type; 8896 phy->media_type = ELINK_ETH_PHY_DA_TWINAX; 8897 /* Check if its active cable (includes SFP+ module) 8898 * of passive cable 8899 */ 8900 if (elink_read_sfp_module_eeprom(phy, 8901 params, 8902 ELINK_I2C_DEV_ADDR_A0, 8903 ELINK_SFP_EEPROM_FC_TX_TECH_ADDR, 8904 1, 8905 &copper_module_type) != 0) { 8906 ELINK_DEBUG_P0(sc, 8907 "Failed to read copper-cable-type" 8908 " from SFP+ EEPROM\n"); 8909 return ELINK_STATUS_ERROR; 8910 } 8911 8912 if (copper_module_type & 8913 ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { 8914 ELINK_DEBUG_P0(sc, "Active Copper cable detected\n"); 8915 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 8916 *edc_mode = ELINK_EDC_MODE_ACTIVE_DAC; 8917 else 8918 check_limiting_mode = 1; 8919 } else { 8920 *edc_mode = ELINK_EDC_MODE_PASSIVE_DAC; 8921 /* Even in case PASSIVE_DAC indication is not set, 8922 * treat it as a passive DAC cable, since some cables 8923 * don't have this indication. 8924 */ 8925 if (copper_module_type & 8926 ELINK_SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { 8927 ELINK_DEBUG_P0(sc, 8928 "Passive Copper cable detected\n"); 8929 } else { 8930 ELINK_DEBUG_P0(sc, 8931 "Unknown copper-cable-type\n"); 8932 } 8933 } 8934 break; 8935 } 8936 case ELINK_SFP_EEPROM_CON_TYPE_VAL_LC: 8937 case ELINK_SFP_EEPROM_CON_TYPE_VAL_RJ45: 8938 check_limiting_mode = 1; 8939 if ((val[1] & (ELINK_SFP_EEPROM_COMP_CODE_SR_MASK | 8940 ELINK_SFP_EEPROM_COMP_CODE_LR_MASK | 8941 ELINK_SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) { 8942 ELINK_DEBUG_P0(sc, "1G SFP module detected\n"); 8943 gport = params->port; 8944 phy->media_type = ELINK_ETH_PHY_SFP_1G_FIBER; 8945 if (phy->req_line_speed != ELINK_SPEED_1000) { 8946 phy->req_line_speed = ELINK_SPEED_1000; 8947 if (!CHIP_IS_E1x(sc)) { 8948 gport = SC_PATH(sc) + 8949 (params->port << 1); 8950 } 8951 elink_cb_event_log(sc, ELINK_LOG_ID_NON_10G_MODULE, gport); //"Warning: Link speed was forced to 1000Mbps." 8952 // " Current SFP module in port %d is not" 8953 // " compliant with 10G Ethernet\n", 8954 8955 } 8956 } else { 8957 int idx, cfg_idx = 0; 8958 ELINK_DEBUG_P0(sc, "10G Optic module detected\n"); 8959 for (idx = ELINK_INT_PHY; idx < ELINK_MAX_PHYS; idx++) { 8960 if (params->phy[idx].type == phy->type) { 8961 cfg_idx = ELINK_LINK_CONFIG_IDX(idx); 8962 break; 8963 } 8964 } 8965 phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER; 8966 phy->req_line_speed = params->req_line_speed[cfg_idx]; 8967 } 8968 break; 8969 default: 8970 ELINK_DEBUG_P1(sc, "Unable to determine module type 0x%x !!!\n", 8971 val[0]); 8972 return ELINK_STATUS_ERROR; 8973 } 8974 sync_offset = params->shmem_base + 8975 offsetof(struct shmem_region, 8976 dev_info.port_hw_config[params->port].media_type); 8977 media_types = REG_RD(sc, sync_offset); 8978 /* Update media type for non-PMF sync */ 8979 for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) { 8980 if (&(params->phy[phy_idx]) == phy) { 8981 media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 8982 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8983 media_types |= ((phy->media_type & 8984 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 8985 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx)); 8986 break; 8987 } 8988 } 8989 REG_WR(sc, sync_offset, media_types); 8990 if (check_limiting_mode) { 8991 uint8_t options[ELINK_SFP_EEPROM_OPTIONS_SIZE]; 8992 if (elink_read_sfp_module_eeprom(phy, 8993 params, 8994 ELINK_I2C_DEV_ADDR_A0, 8995 ELINK_SFP_EEPROM_OPTIONS_ADDR, 8996 ELINK_SFP_EEPROM_OPTIONS_SIZE, 8997 options) != 0) { 8998 ELINK_DEBUG_P0(sc, 8999 "Failed to read Option field from module EEPROM\n"); 9000 return ELINK_STATUS_ERROR; 9001 } 9002 if ((options[0] & ELINK_SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK)) 9003 *edc_mode = ELINK_EDC_MODE_LINEAR; 9004 else 9005 *edc_mode = ELINK_EDC_MODE_LIMITING; 9006 } 9007 ELINK_DEBUG_P1(sc, "EDC mode is set to 0x%x\n", *edc_mode); 9008 return ELINK_STATUS_OK; 9009} 9010/* This function read the relevant field from the module (SFP+), and verify it 9011 * is compliant with this board 9012 */ 9013static elink_status_t elink_verify_sfp_module(struct elink_phy *phy, 9014 struct elink_params *params) 9015{ 9016 struct bxe_softc *sc = params->sc; 9017 uint32_t val, cmd; 9018 uint32_t fw_resp, fw_cmd_param; 9019 char vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE+1]; 9020 char vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE+1]; 9021 phy->flags &= ~ELINK_FLAGS_SFP_NOT_APPROVED; 9022 val = REG_RD(sc, params->shmem_base + 9023 offsetof(struct shmem_region, dev_info. 9024 port_feature_config[params->port].config)); 9025 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 9026 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) { 9027 ELINK_DEBUG_P0(sc, "NOT enforcing module verification\n"); 9028 return ELINK_STATUS_OK; 9029 } 9030 9031 if (params->feature_config_flags & 9032 ELINK_FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) { 9033 /* Use specific phy request */ 9034 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL; 9035 } else if (params->feature_config_flags & 9036 ELINK_FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) { 9037 /* Use first phy request only in case of non-dual media*/ 9038 if (ELINK_DUAL_MEDIA(params)) { 9039 ELINK_DEBUG_P0(sc, 9040 "FW does not support OPT MDL verification\n"); 9041 return ELINK_STATUS_ERROR; 9042 } 9043 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL; 9044 } else { 9045 /* No support in OPT MDL detection */ 9046 ELINK_DEBUG_P0(sc, 9047 "FW does not support OPT MDL verification\n"); 9048 return ELINK_STATUS_ERROR; 9049 } 9050 9051 fw_cmd_param = ELINK_FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl); 9052 fw_resp = elink_cb_fw_command(sc, cmd, fw_cmd_param); 9053 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) { 9054 ELINK_DEBUG_P0(sc, "Approved module\n"); 9055 return ELINK_STATUS_OK; 9056 } 9057 9058 /* Format the warning message */ 9059 if (elink_read_sfp_module_eeprom(phy, 9060 params, 9061 ELINK_I2C_DEV_ADDR_A0, 9062 ELINK_SFP_EEPROM_VENDOR_NAME_ADDR, 9063 ELINK_SFP_EEPROM_VENDOR_NAME_SIZE, 9064 (uint8_t *)vendor_name)) 9065 vendor_name[0] = '\0'; 9066 else 9067 vendor_name[ELINK_SFP_EEPROM_VENDOR_NAME_SIZE] = '\0'; 9068 if (elink_read_sfp_module_eeprom(phy, 9069 params, 9070 ELINK_I2C_DEV_ADDR_A0, 9071 ELINK_SFP_EEPROM_PART_NO_ADDR, 9072 ELINK_SFP_EEPROM_PART_NO_SIZE, 9073 (uint8_t *)vendor_pn)) 9074 vendor_pn[0] = '\0'; 9075 else 9076 vendor_pn[ELINK_SFP_EEPROM_PART_NO_SIZE] = '\0'; 9077 9078 elink_cb_event_log(sc, ELINK_LOG_ID_UNQUAL_IO_MODULE, params->port, vendor_name, vendor_pn); // "Warning: Unqualified SFP+ module detected," 9079 // " Port %d from %s part number %s\n", 9080 9081 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) != 9082 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG) 9083 phy->flags |= ELINK_FLAGS_SFP_NOT_APPROVED; 9084 return ELINK_STATUS_ERROR; 9085} 9086 9087static elink_status_t elink_wait_for_sfp_module_initialized(struct elink_phy *phy, 9088 struct elink_params *params) 9089 9090{ 9091 uint8_t val; 9092 elink_status_t rc; 9093 struct bxe_softc *sc = params->sc; 9094 uint16_t timeout; 9095 /* Initialization time after hot-plug may take up to 300ms for 9096 * some phys type ( e.g. JDSU ) 9097 */ 9098 9099 for (timeout = 0; timeout < 60; timeout++) { 9100 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) 9101 rc = elink_warpcore_read_sfp_module_eeprom( 9102 phy, params, ELINK_I2C_DEV_ADDR_A0, 1, 1, &val, 9103 1); 9104 else 9105 rc = elink_read_sfp_module_eeprom(phy, params, 9106 ELINK_I2C_DEV_ADDR_A0, 9107 1, 1, &val); 9108 if (rc == 0) { 9109 ELINK_DEBUG_P1(sc, 9110 "SFP+ module initialization took %d ms\n", 9111 timeout * 5); 9112 return ELINK_STATUS_OK; 9113 } 9114 DELAY(1000 * 5); 9115 } 9116 rc = elink_read_sfp_module_eeprom(phy, params, ELINK_I2C_DEV_ADDR_A0, 9117 1, 1, &val); 9118 return rc; 9119} 9120 9121static void elink_8727_power_module(struct bxe_softc *sc, 9122 struct elink_phy *phy, 9123 uint8_t is_power_up) { 9124 /* Make sure GPIOs are not using for LED mode */ 9125 uint16_t val; 9126 /* In the GPIO register, bit 4 is use to determine if the GPIOs are 9127 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for 9128 * output 9129 * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0 9130 * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1 9131 * where the 1st bit is the over-current(only input), and 2nd bit is 9132 * for power( only output ) 9133 * 9134 * In case of NOC feature is disabled and power is up, set GPIO control 9135 * as input to enable listening of over-current indication 9136 */ 9137 if (phy->flags & ELINK_FLAGS_NOC) 9138 return; 9139 if (is_power_up) 9140 val = (1<<4); 9141 else 9142 /* Set GPIO control to OUTPUT, and set the power bit 9143 * to according to the is_power_up 9144 */ 9145 val = (1<<1); 9146 9147 elink_cl45_write(sc, phy, 9148 MDIO_PMA_DEVAD, 9149 MDIO_PMA_REG_8727_GPIO_CTRL, 9150 val); 9151} 9152 9153static elink_status_t elink_8726_set_limiting_mode(struct bxe_softc *sc, 9154 struct elink_phy *phy, 9155 uint16_t edc_mode) 9156{ 9157 uint16_t cur_limiting_mode; 9158 9159 elink_cl45_read(sc, phy, 9160 MDIO_PMA_DEVAD, 9161 MDIO_PMA_REG_ROM_VER2, 9162 &cur_limiting_mode); 9163 ELINK_DEBUG_P1(sc, "Current Limiting mode is 0x%x\n", 9164 cur_limiting_mode); 9165 9166 if (edc_mode == ELINK_EDC_MODE_LIMITING) { 9167 ELINK_DEBUG_P0(sc, "Setting LIMITING MODE\n"); 9168 elink_cl45_write(sc, phy, 9169 MDIO_PMA_DEVAD, 9170 MDIO_PMA_REG_ROM_VER2, 9171 ELINK_EDC_MODE_LIMITING); 9172 } else { /* LRM mode ( default )*/ 9173 9174 ELINK_DEBUG_P0(sc, "Setting LRM MODE\n"); 9175 9176 /* Changing to LRM mode takes quite few seconds. So do it only 9177 * if current mode is limiting (default is LRM) 9178 */ 9179 if (cur_limiting_mode != ELINK_EDC_MODE_LIMITING) 9180 return ELINK_STATUS_OK; 9181 9182 elink_cl45_write(sc, phy, 9183 MDIO_PMA_DEVAD, 9184 MDIO_PMA_REG_LRM_MODE, 9185 0); 9186 elink_cl45_write(sc, phy, 9187 MDIO_PMA_DEVAD, 9188 MDIO_PMA_REG_ROM_VER2, 9189 0x128); 9190 elink_cl45_write(sc, phy, 9191 MDIO_PMA_DEVAD, 9192 MDIO_PMA_REG_MISC_CTRL0, 9193 0x4008); 9194 elink_cl45_write(sc, phy, 9195 MDIO_PMA_DEVAD, 9196 MDIO_PMA_REG_LRM_MODE, 9197 0xaaaa); 9198 } 9199 return ELINK_STATUS_OK; 9200} 9201 9202static elink_status_t elink_8727_set_limiting_mode(struct bxe_softc *sc, 9203 struct elink_phy *phy, 9204 uint16_t edc_mode) 9205{ 9206 uint16_t phy_identifier; 9207 uint16_t rom_ver2_val; 9208 elink_cl45_read(sc, phy, 9209 MDIO_PMA_DEVAD, 9210 MDIO_PMA_REG_PHY_IDENTIFIER, 9211 &phy_identifier); 9212 9213 elink_cl45_write(sc, phy, 9214 MDIO_PMA_DEVAD, 9215 MDIO_PMA_REG_PHY_IDENTIFIER, 9216 (phy_identifier & ~(1<<9))); 9217 9218 elink_cl45_read(sc, phy, 9219 MDIO_PMA_DEVAD, 9220 MDIO_PMA_REG_ROM_VER2, 9221 &rom_ver2_val); 9222 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */ 9223 elink_cl45_write(sc, phy, 9224 MDIO_PMA_DEVAD, 9225 MDIO_PMA_REG_ROM_VER2, 9226 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff)); 9227 9228 elink_cl45_write(sc, phy, 9229 MDIO_PMA_DEVAD, 9230 MDIO_PMA_REG_PHY_IDENTIFIER, 9231 (phy_identifier | (1<<9))); 9232 9233 return ELINK_STATUS_OK; 9234} 9235 9236static void elink_8727_specific_func(struct elink_phy *phy, 9237 struct elink_params *params, 9238 uint32_t action) 9239{ 9240 struct bxe_softc *sc = params->sc; 9241 uint16_t val; 9242 switch (action) { 9243 case ELINK_DISABLE_TX: 9244 elink_sfp_set_transmitter(params, phy, 0); 9245 break; 9246 case ELINK_ENABLE_TX: 9247 if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) 9248 elink_sfp_set_transmitter(params, phy, 1); 9249 break; 9250 case ELINK_PHY_INIT: 9251 elink_cl45_write(sc, phy, 9252 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9253 (1<<2) | (1<<5)); 9254 elink_cl45_write(sc, phy, 9255 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 9256 0); 9257 elink_cl45_write(sc, phy, 9258 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006); 9259 /* Make MOD_ABS give interrupt on change */ 9260 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 9261 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9262 &val); 9263 val |= (1<<12); 9264 if (phy->flags & ELINK_FLAGS_NOC) 9265 val |= (3<<5); 9266 /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0 9267 * status which reflect SFP+ module over-current 9268 */ 9269 if (!(phy->flags & ELINK_FLAGS_NOC)) 9270 val &= 0xff8f; /* Reset bits 4-6 */ 9271 elink_cl45_write(sc, phy, 9272 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9273 val); 9274 break; 9275 default: 9276 ELINK_DEBUG_P1(sc, "Function 0x%x not supported by 8727\n", 9277 action); 9278 return; 9279 } 9280} 9281 9282static void elink_set_e1e2_module_fault_led(struct elink_params *params, 9283 uint8_t gpio_mode) 9284{ 9285 struct bxe_softc *sc = params->sc; 9286 9287 uint32_t fault_led_gpio = REG_RD(sc, params->shmem_base + 9288 offsetof(struct shmem_region, 9289 dev_info.port_hw_config[params->port].sfp_ctrl)) & 9290 PORT_HW_CFG_FAULT_MODULE_LED_MASK; 9291 switch (fault_led_gpio) { 9292 case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED: 9293 return; 9294 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0: 9295 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1: 9296 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2: 9297 case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3: 9298 { 9299 uint8_t gpio_port = elink_get_gpio_port(params); 9300 uint16_t gpio_pin = fault_led_gpio - 9301 PORT_HW_CFG_FAULT_MODULE_LED_GPIO0; 9302 ELINK_DEBUG_P3(sc, "Set fault module-detected led " 9303 "pin %x port %x mode %x\n", 9304 gpio_pin, gpio_port, gpio_mode); 9305 elink_cb_gpio_write(sc, gpio_pin, gpio_mode, gpio_port); 9306 } 9307 break; 9308 default: 9309 ELINK_DEBUG_P1(sc, "Error: Invalid fault led mode 0x%x\n", 9310 fault_led_gpio); 9311 } 9312} 9313 9314static void elink_set_e3_module_fault_led(struct elink_params *params, 9315 uint8_t gpio_mode) 9316{ 9317 uint32_t pin_cfg; 9318 uint8_t port = params->port; 9319 struct bxe_softc *sc = params->sc; 9320 pin_cfg = (REG_RD(sc, params->shmem_base + 9321 offsetof(struct shmem_region, 9322 dev_info.port_hw_config[port].e3_sfp_ctrl)) & 9323 PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >> 9324 PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT; 9325 ELINK_DEBUG_P2(sc, "Setting Fault LED to %d using pin cfg %d\n", 9326 gpio_mode, pin_cfg); 9327 elink_set_cfg_pin(sc, pin_cfg, gpio_mode); 9328} 9329 9330static void elink_set_sfp_module_fault_led(struct elink_params *params, 9331 uint8_t gpio_mode) 9332{ 9333 struct bxe_softc *sc = params->sc; 9334 ELINK_DEBUG_P1(sc, "Setting SFP+ module fault LED to %d\n", gpio_mode); 9335 if (CHIP_IS_E3(sc)) { 9336 /* Low ==> if SFP+ module is supported otherwise 9337 * High ==> if SFP+ module is not on the approved vendor list 9338 */ 9339 elink_set_e3_module_fault_led(params, gpio_mode); 9340 } else 9341 elink_set_e1e2_module_fault_led(params, gpio_mode); 9342} 9343 9344static void elink_warpcore_hw_reset(struct elink_phy *phy, 9345 struct elink_params *params) 9346{ 9347 struct bxe_softc *sc = params->sc; 9348 elink_warpcore_power_module(params, 0); 9349 /* Put Warpcore in low power mode */ 9350 REG_WR(sc, MISC_REG_WC0_RESET, 0x0c0e); 9351 9352 /* Put LCPLL in low power mode */ 9353 REG_WR(sc, MISC_REG_LCPLL_E40_PWRDWN, 1); 9354 REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_ANA, 0); 9355 REG_WR(sc, MISC_REG_LCPLL_E40_RESETB_DIG, 0); 9356} 9357 9358static void elink_power_sfp_module(struct elink_params *params, 9359 struct elink_phy *phy, 9360 uint8_t power) 9361{ 9362 struct bxe_softc *sc = params->sc; 9363 ELINK_DEBUG_P1(sc, "Setting SFP+ power to %x\n", power); 9364 9365 switch (phy->type) { 9366 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 9367 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 9368 elink_8727_power_module(params->sc, phy, power); 9369 break; 9370 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 9371 elink_warpcore_power_module(params, power); 9372 break; 9373 default: 9374 break; 9375 } 9376} 9377static void elink_warpcore_set_limiting_mode(struct elink_params *params, 9378 struct elink_phy *phy, 9379 uint16_t edc_mode) 9380{ 9381 uint16_t val = 0; 9382 uint16_t mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 9383 struct bxe_softc *sc = params->sc; 9384 9385 uint8_t lane = elink_get_warpcore_lane(phy, params); 9386 /* This is a global register which controls all lanes */ 9387 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 9388 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 9389 val &= ~(0xf << (lane << 2)); 9390 9391 switch (edc_mode) { 9392 case ELINK_EDC_MODE_LINEAR: 9393 case ELINK_EDC_MODE_LIMITING: 9394 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; 9395 break; 9396 case ELINK_EDC_MODE_PASSIVE_DAC: 9397 case ELINK_EDC_MODE_ACTIVE_DAC: 9398 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC; 9399 break; 9400 default: 9401 break; 9402 } 9403 9404 val |= (mode << (lane << 2)); 9405 elink_cl45_write(sc, phy, MDIO_WC_DEVAD, 9406 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val); 9407 /* A must read */ 9408 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 9409 MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val); 9410 9411 /* Restart microcode to re-read the new mode */ 9412 elink_warpcore_reset_lane(sc, phy, 1); 9413 elink_warpcore_reset_lane(sc, phy, 0); 9414 9415} 9416 9417static void elink_set_limiting_mode(struct elink_params *params, 9418 struct elink_phy *phy, 9419 uint16_t edc_mode) 9420{ 9421 switch (phy->type) { 9422 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 9423 elink_8726_set_limiting_mode(params->sc, phy, edc_mode); 9424 break; 9425 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 9426 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 9427 elink_8727_set_limiting_mode(params->sc, phy, edc_mode); 9428 break; 9429 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: 9430 elink_warpcore_set_limiting_mode(params, phy, edc_mode); 9431 break; 9432 } 9433} 9434 9435elink_status_t elink_sfp_module_detection(struct elink_phy *phy, 9436 struct elink_params *params) 9437{ 9438 struct bxe_softc *sc = params->sc; 9439 uint16_t edc_mode; 9440 elink_status_t rc = ELINK_STATUS_OK; 9441 9442 uint32_t val = REG_RD(sc, params->shmem_base + 9443 offsetof(struct shmem_region, dev_info. 9444 port_feature_config[params->port].config)); 9445 /* Enabled transmitter by default */ 9446 elink_sfp_set_transmitter(params, phy, 1); 9447 ELINK_DEBUG_P1(sc, "SFP+ module plugged in/out detected on port %d\n", 9448 params->port); 9449 /* Power up module */ 9450 elink_power_sfp_module(params, phy, 1); 9451 if (elink_get_edc_mode(phy, params, &edc_mode) != 0) { 9452 ELINK_DEBUG_P0(sc, "Failed to get valid module type\n"); 9453 return ELINK_STATUS_ERROR; 9454 } else if (elink_verify_sfp_module(phy, params) != 0) { 9455 /* Check SFP+ module compatibility */ 9456 ELINK_DEBUG_P0(sc, "Module verification failed!!\n"); 9457 rc = ELINK_STATUS_ERROR; 9458 /* Turn on fault module-detected led */ 9459 elink_set_sfp_module_fault_led(params, 9460 MISC_REGISTERS_GPIO_HIGH); 9461 9462 /* Check if need to power down the SFP+ module */ 9463 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 9464 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) { 9465 ELINK_DEBUG_P0(sc, "Shutdown SFP+ module!!\n"); 9466 elink_power_sfp_module(params, phy, 0); 9467 return rc; 9468 } 9469 } else { 9470 /* Turn off fault module-detected led */ 9471 elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW); 9472 } 9473 9474 /* Check and set limiting mode / LRM mode on 8726. On 8727 it 9475 * is done automatically 9476 */ 9477 elink_set_limiting_mode(params, phy, edc_mode); 9478 9479 /* Disable transmit for this module if the module is not approved, and 9480 * laser needs to be disabled. 9481 */ 9482 if ((rc != 0) && 9483 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 9484 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)) 9485 elink_sfp_set_transmitter(params, phy, 0); 9486 9487 return rc; 9488} 9489 9490void elink_handle_module_detect_int(struct elink_params *params) 9491{ 9492 struct bxe_softc *sc = params->sc; 9493 struct elink_phy *phy; 9494 uint32_t gpio_val; 9495 uint8_t gpio_num, gpio_port; 9496 if (CHIP_IS_E3(sc)) { 9497 phy = ¶ms->phy[ELINK_INT_PHY]; 9498 /* Always enable TX laser,will be disabled in case of fault */ 9499 elink_sfp_set_transmitter(params, phy, 1); 9500 } else { 9501 phy = ¶ms->phy[ELINK_EXT_PHY1]; 9502 } 9503 if (elink_get_mod_abs_int_cfg(sc, params->chip_id, params->shmem_base, 9504 params->port, &gpio_num, &gpio_port) == 9505 ELINK_STATUS_ERROR) { 9506 ELINK_DEBUG_P0(sc, "Failed to get MOD_ABS interrupt config\n"); 9507 return; 9508 } 9509 9510 /* Set valid module led off */ 9511 elink_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH); 9512 9513 /* Get current gpio val reflecting module plugged in / out*/ 9514 gpio_val = elink_cb_gpio_read(sc, gpio_num, gpio_port); 9515 9516 /* Call the handling function in case module is detected */ 9517 if (gpio_val == 0) { 9518 elink_set_mdio_emac_per_phy(sc, params); 9519 elink_set_aer_mmd(params, phy); 9520 9521 elink_power_sfp_module(params, phy, 1); 9522 elink_cb_gpio_int_write(sc, gpio_num, 9523 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR, 9524 gpio_port); 9525 if (elink_wait_for_sfp_module_initialized(phy, params) == 0) { 9526 elink_sfp_module_detection(phy, params); 9527 if (CHIP_IS_E3(sc)) { 9528 uint16_t rx_tx_in_reset; 9529 /* In case WC is out of reset, reconfigure the 9530 * link speed while taking into account 1G 9531 * module limitation. 9532 */ 9533 elink_cl45_read(sc, phy, 9534 MDIO_WC_DEVAD, 9535 MDIO_WC_REG_DIGITAL5_MISC6, 9536 &rx_tx_in_reset); 9537 if ((!rx_tx_in_reset) && 9538 (params->link_flags & 9539 ELINK_PHY_INITIALIZED)) { 9540 elink_warpcore_reset_lane(sc, phy, 1); 9541 elink_warpcore_config_sfi(phy, params); 9542 elink_warpcore_reset_lane(sc, phy, 0); 9543 } 9544 } 9545 } else { 9546 ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n"); 9547 } 9548 } else { 9549 elink_cb_gpio_int_write(sc, gpio_num, 9550 MISC_REGISTERS_GPIO_INT_OUTPUT_SET, 9551 gpio_port); 9552 /* Module was plugged out. 9553 * Disable transmit for this module 9554 */ 9555 phy->media_type = ELINK_ETH_PHY_NOT_PRESENT; 9556 } 9557} 9558 9559/******************************************************************/ 9560/* Used by 8706 and 8727 */ 9561/******************************************************************/ 9562static void elink_sfp_mask_fault(struct bxe_softc *sc, 9563 struct elink_phy *phy, 9564 uint16_t alarm_status_offset, 9565 uint16_t alarm_ctrl_offset) 9566{ 9567 uint16_t alarm_status, val; 9568 elink_cl45_read(sc, phy, 9569 MDIO_PMA_DEVAD, alarm_status_offset, 9570 &alarm_status); 9571 elink_cl45_read(sc, phy, 9572 MDIO_PMA_DEVAD, alarm_status_offset, 9573 &alarm_status); 9574 /* Mask or enable the fault event. */ 9575 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val); 9576 if (alarm_status & (1<<0)) 9577 val &= ~(1<<0); 9578 else 9579 val |= (1<<0); 9580 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val); 9581} 9582/******************************************************************/ 9583/* common BCM8706/BCM8726 PHY SECTION */ 9584/******************************************************************/ 9585static uint8_t elink_8706_8726_read_status(struct elink_phy *phy, 9586 struct elink_params *params, 9587 struct elink_vars *vars) 9588{ 9589 uint8_t link_up = 0; 9590 uint16_t val1, val2, rx_sd, pcs_status; 9591 struct bxe_softc *sc = params->sc; 9592 ELINK_DEBUG_P0(sc, "XGXS 8706/8726\n"); 9593 /* Clear RX Alarm*/ 9594 elink_cl45_read(sc, phy, 9595 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2); 9596 9597 elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT, 9598 MDIO_PMA_LASI_TXCTRL); 9599 9600 /* Clear LASI indication*/ 9601 elink_cl45_read(sc, phy, 9602 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 9603 elink_cl45_read(sc, phy, 9604 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 9605 ELINK_DEBUG_P2(sc, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2); 9606 9607 elink_cl45_read(sc, phy, 9608 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd); 9609 elink_cl45_read(sc, phy, 9610 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status); 9611 elink_cl45_read(sc, phy, 9612 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 9613 elink_cl45_read(sc, phy, 9614 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2); 9615 9616 ELINK_DEBUG_P3(sc, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps" 9617 " link_status 0x%x\n", rx_sd, pcs_status, val2); 9618 /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status 9619 * are set, or if the autoneg bit 1 is set 9620 */ 9621 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1))); 9622 if (link_up) { 9623 if (val2 & (1<<1)) 9624 vars->line_speed = ELINK_SPEED_1000; 9625 else 9626 vars->line_speed = ELINK_SPEED_10000; 9627 elink_ext_phy_resolve_fc(phy, params, vars); 9628 vars->duplex = DUPLEX_FULL; 9629 } 9630 9631 /* Capture 10G link fault. Read twice to clear stale value. */ 9632 if (vars->line_speed == ELINK_SPEED_10000) { 9633 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 9634 MDIO_PMA_LASI_TXSTAT, &val1); 9635 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 9636 MDIO_PMA_LASI_TXSTAT, &val1); 9637 if (val1 & (1<<0)) 9638 vars->fault_detected = 1; 9639 } 9640 9641 return link_up; 9642} 9643 9644/******************************************************************/ 9645/* BCM8706 PHY SECTION */ 9646/******************************************************************/ 9647static uint8_t elink_8706_config_init(struct elink_phy *phy, 9648 struct elink_params *params, 9649 struct elink_vars *vars) 9650{ 9651 uint32_t tx_en_mode; 9652 uint16_t cnt, val, tmp1; 9653 struct bxe_softc *sc = params->sc; 9654 9655 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 9656 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 9657 /* HW reset */ 9658 elink_ext_phy_hw_reset(sc, params->port); 9659 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040); 9660 elink_wait_reset_complete(sc, phy, params); 9661 9662 /* Wait until fw is loaded */ 9663 for (cnt = 0; cnt < 100; cnt++) { 9664 elink_cl45_read(sc, phy, 9665 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val); 9666 if (val) 9667 break; 9668 DELAY(1000 * 10); 9669 } 9670 ELINK_DEBUG_P1(sc, "XGXS 8706 is initialized after %d ms\n", cnt); 9671 if ((params->feature_config_flags & 9672 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 9673 uint8_t i; 9674 uint16_t reg; 9675 for (i = 0; i < 4; i++) { 9676 reg = MDIO_XS_8706_REG_BANK_RX0 + 9677 i*(MDIO_XS_8706_REG_BANK_RX1 - 9678 MDIO_XS_8706_REG_BANK_RX0); 9679 elink_cl45_read(sc, phy, MDIO_XS_DEVAD, reg, &val); 9680 /* Clear first 3 bits of the control */ 9681 val &= ~0x7; 9682 /* Set control bits according to configuration */ 9683 val |= (phy->rx_preemphasis[i] & 0x7); 9684 ELINK_DEBUG_P2(sc, "Setting RX Equalizer to BCM8706" 9685 " reg 0x%x <-- val 0x%x\n", reg, val); 9686 elink_cl45_write(sc, phy, MDIO_XS_DEVAD, reg, val); 9687 } 9688 } 9689 /* Force speed */ 9690 if (phy->req_line_speed == ELINK_SPEED_10000) { 9691 ELINK_DEBUG_P0(sc, "XGXS 8706 force 10Gbps\n"); 9692 9693 elink_cl45_write(sc, phy, 9694 MDIO_PMA_DEVAD, 9695 MDIO_PMA_REG_DIGITAL_CTRL, 0x400); 9696 elink_cl45_write(sc, phy, 9697 MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL, 9698 0); 9699 /* Arm LASI for link and Tx fault. */ 9700 elink_cl45_write(sc, phy, 9701 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3); 9702 } else { 9703 /* Force 1Gbps using autoneg with 1G advertisement */ 9704 9705 /* Allow CL37 through CL73 */ 9706 ELINK_DEBUG_P0(sc, "XGXS 8706 AutoNeg\n"); 9707 elink_cl45_write(sc, phy, 9708 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 9709 9710 /* Enable Full-Duplex advertisement on CL37 */ 9711 elink_cl45_write(sc, phy, 9712 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020); 9713 /* Enable CL37 AN */ 9714 elink_cl45_write(sc, phy, 9715 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 9716 /* 1G support */ 9717 elink_cl45_write(sc, phy, 9718 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5)); 9719 9720 /* Enable clause 73 AN */ 9721 elink_cl45_write(sc, phy, 9722 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 9723 elink_cl45_write(sc, phy, 9724 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9725 0x0400); 9726 elink_cl45_write(sc, phy, 9727 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 9728 0x0004); 9729 } 9730 elink_save_bcm_spirom_ver(sc, phy, params->port); 9731 9732 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 9733 * power mode, if TX Laser is disabled 9734 */ 9735 9736 tx_en_mode = REG_RD(sc, params->shmem_base + 9737 offsetof(struct shmem_region, 9738 dev_info.port_hw_config[params->port].sfp_ctrl)) 9739 & PORT_HW_CFG_TX_LASER_MASK; 9740 9741 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 9742 ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n"); 9743 elink_cl45_read(sc, phy, 9744 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1); 9745 tmp1 |= 0x1; 9746 elink_cl45_write(sc, phy, 9747 MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1); 9748 } 9749 9750 return ELINK_STATUS_OK; 9751} 9752 9753static elink_status_t elink_8706_read_status(struct elink_phy *phy, 9754 struct elink_params *params, 9755 struct elink_vars *vars) 9756{ 9757 return elink_8706_8726_read_status(phy, params, vars); 9758} 9759 9760/******************************************************************/ 9761/* BCM8726 PHY SECTION */ 9762/******************************************************************/ 9763static void elink_8726_config_loopback(struct elink_phy *phy, 9764 struct elink_params *params) 9765{ 9766 struct bxe_softc *sc = params->sc; 9767 ELINK_DEBUG_P0(sc, "PMA/PMD ext_phy_loopback: 8726\n"); 9768 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001); 9769} 9770 9771static void elink_8726_external_rom_boot(struct elink_phy *phy, 9772 struct elink_params *params) 9773{ 9774 struct bxe_softc *sc = params->sc; 9775 /* Need to wait 100ms after reset */ 9776 DELAY(1000 * 100); 9777 9778 /* Micro controller re-boot */ 9779 elink_cl45_write(sc, phy, 9780 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B); 9781 9782 /* Set soft reset */ 9783 elink_cl45_write(sc, phy, 9784 MDIO_PMA_DEVAD, 9785 MDIO_PMA_REG_GEN_CTRL, 9786 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET); 9787 9788 elink_cl45_write(sc, phy, 9789 MDIO_PMA_DEVAD, 9790 MDIO_PMA_REG_MISC_CTRL1, 0x0001); 9791 9792 elink_cl45_write(sc, phy, 9793 MDIO_PMA_DEVAD, 9794 MDIO_PMA_REG_GEN_CTRL, 9795 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP); 9796 9797 /* Wait for 150ms for microcode load */ 9798 DELAY(1000 * 150); 9799 9800 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */ 9801 elink_cl45_write(sc, phy, 9802 MDIO_PMA_DEVAD, 9803 MDIO_PMA_REG_MISC_CTRL1, 0x0000); 9804 9805 DELAY(1000 * 200); 9806 elink_save_bcm_spirom_ver(sc, phy, params->port); 9807} 9808 9809static uint8_t elink_8726_read_status(struct elink_phy *phy, 9810 struct elink_params *params, 9811 struct elink_vars *vars) 9812{ 9813 struct bxe_softc *sc = params->sc; 9814 uint16_t val1; 9815 uint8_t link_up = elink_8706_8726_read_status(phy, params, vars); 9816 if (link_up) { 9817 elink_cl45_read(sc, phy, 9818 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 9819 &val1); 9820 if (val1 & (1<<15)) { 9821 ELINK_DEBUG_P0(sc, "Tx is disabled\n"); 9822 link_up = 0; 9823 vars->line_speed = 0; 9824 } 9825 } 9826 return link_up; 9827} 9828 9829 9830static elink_status_t elink_8726_config_init(struct elink_phy *phy, 9831 struct elink_params *params, 9832 struct elink_vars *vars) 9833{ 9834 struct bxe_softc *sc = params->sc; 9835 ELINK_DEBUG_P0(sc, "Initializing BCM8726\n"); 9836 9837 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 9838 elink_wait_reset_complete(sc, phy, params); 9839 9840 elink_8726_external_rom_boot(phy, params); 9841 9842 /* Need to call module detected on initialization since the module 9843 * detection triggered by actual module insertion might occur before 9844 * driver is loaded, and when driver is loaded, it reset all 9845 * registers, including the transmitter 9846 */ 9847 elink_sfp_module_detection(phy, params); 9848 9849 if (phy->req_line_speed == ELINK_SPEED_1000) { 9850 ELINK_DEBUG_P0(sc, "Setting 1G force\n"); 9851 elink_cl45_write(sc, phy, 9852 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 9853 elink_cl45_write(sc, phy, 9854 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 9855 elink_cl45_write(sc, phy, 9856 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5); 9857 elink_cl45_write(sc, phy, 9858 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9859 0x400); 9860 } else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 9861 (phy->speed_cap_mask & 9862 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) && 9863 ((phy->speed_cap_mask & 9864 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 9865 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 9866 ELINK_DEBUG_P0(sc, "Setting 1G clause37\n"); 9867 /* Set Flow control */ 9868 elink_ext_phy_set_pause(params, phy, vars); 9869 elink_cl45_write(sc, phy, 9870 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20); 9871 elink_cl45_write(sc, phy, 9872 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c); 9873 elink_cl45_write(sc, phy, 9874 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020); 9875 elink_cl45_write(sc, phy, 9876 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000); 9877 elink_cl45_write(sc, phy, 9878 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200); 9879 /* Enable RX-ALARM control to receive interrupt for 1G speed 9880 * change 9881 */ 9882 elink_cl45_write(sc, phy, 9883 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4); 9884 elink_cl45_write(sc, phy, 9885 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 9886 0x400); 9887 9888 } else { /* Default 10G. Set only LASI control */ 9889 elink_cl45_write(sc, phy, 9890 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1); 9891 } 9892 9893 /* Set TX PreEmphasis if needed */ 9894 if ((params->feature_config_flags & 9895 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 9896 ELINK_DEBUG_P2(sc, 9897 "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 9898 phy->tx_preemphasis[0], 9899 phy->tx_preemphasis[1]); 9900 elink_cl45_write(sc, phy, 9901 MDIO_PMA_DEVAD, 9902 MDIO_PMA_REG_8726_TX_CTRL1, 9903 phy->tx_preemphasis[0]); 9904 9905 elink_cl45_write(sc, phy, 9906 MDIO_PMA_DEVAD, 9907 MDIO_PMA_REG_8726_TX_CTRL2, 9908 phy->tx_preemphasis[1]); 9909 } 9910 9911 return ELINK_STATUS_OK; 9912 9913} 9914 9915static void elink_8726_link_reset(struct elink_phy *phy, 9916 struct elink_params *params) 9917{ 9918 struct bxe_softc *sc = params->sc; 9919 ELINK_DEBUG_P1(sc, "elink_8726_link_reset port %d\n", params->port); 9920 /* Set serial boot control for external load */ 9921 elink_cl45_write(sc, phy, 9922 MDIO_PMA_DEVAD, 9923 MDIO_PMA_REG_GEN_CTRL, 0x0001); 9924} 9925 9926/******************************************************************/ 9927/* BCM8727 PHY SECTION */ 9928/******************************************************************/ 9929 9930static void elink_8727_set_link_led(struct elink_phy *phy, 9931 struct elink_params *params, uint8_t mode) 9932{ 9933 struct bxe_softc *sc = params->sc; 9934 uint16_t led_mode_bitmask = 0; 9935 uint16_t gpio_pins_bitmask = 0; 9936 uint16_t val; 9937 /* Only NOC flavor requires to set the LED specifically */ 9938 if (!(phy->flags & ELINK_FLAGS_NOC)) 9939 return; 9940 switch (mode) { 9941 case ELINK_LED_MODE_FRONT_PANEL_OFF: 9942 case ELINK_LED_MODE_OFF: 9943 led_mode_bitmask = 0; 9944 gpio_pins_bitmask = 0x03; 9945 break; 9946 case ELINK_LED_MODE_ON: 9947 led_mode_bitmask = 0; 9948 gpio_pins_bitmask = 0x02; 9949 break; 9950 case ELINK_LED_MODE_OPER: 9951 led_mode_bitmask = 0x60; 9952 gpio_pins_bitmask = 0x11; 9953 break; 9954 } 9955 elink_cl45_read(sc, phy, 9956 MDIO_PMA_DEVAD, 9957 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9958 &val); 9959 val &= 0xff8f; 9960 val |= led_mode_bitmask; 9961 elink_cl45_write(sc, phy, 9962 MDIO_PMA_DEVAD, 9963 MDIO_PMA_REG_8727_PCS_OPT_CTRL, 9964 val); 9965 elink_cl45_read(sc, phy, 9966 MDIO_PMA_DEVAD, 9967 MDIO_PMA_REG_8727_GPIO_CTRL, 9968 &val); 9969 val &= 0xffe0; 9970 val |= gpio_pins_bitmask; 9971 elink_cl45_write(sc, phy, 9972 MDIO_PMA_DEVAD, 9973 MDIO_PMA_REG_8727_GPIO_CTRL, 9974 val); 9975} 9976static void elink_8727_hw_reset(struct elink_phy *phy, 9977 struct elink_params *params) { 9978 uint32_t swap_val, swap_override; 9979 uint8_t port; 9980 /* The PHY reset is controlled by GPIO 1. Fake the port number 9981 * to cancel the swap done in set_gpio() 9982 */ 9983 struct bxe_softc *sc = params->sc; 9984 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP); 9985 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE); 9986 port = (swap_val && swap_override) ^ 1; 9987 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_1, 9988 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 9989} 9990 9991static void elink_8727_config_speed(struct elink_phy *phy, 9992 struct elink_params *params) 9993{ 9994 struct bxe_softc *sc = params->sc; 9995 uint16_t tmp1, val; 9996 /* Set option 1G speed */ 9997 if ((phy->req_line_speed == ELINK_SPEED_1000) || 9998 (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER)) { 9999 ELINK_DEBUG_P0(sc, "Setting 1G force\n"); 10000 elink_cl45_write(sc, phy, 10001 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40); 10002 elink_cl45_write(sc, phy, 10003 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD); 10004 elink_cl45_read(sc, phy, 10005 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1); 10006 ELINK_DEBUG_P1(sc, "1.7 = 0x%x\n", tmp1); 10007 /* Power down the XAUI until link is up in case of dual-media 10008 * and 1G 10009 */ 10010 if (ELINK_DUAL_MEDIA(params)) { 10011 elink_cl45_read(sc, phy, 10012 MDIO_PMA_DEVAD, 10013 MDIO_PMA_REG_8727_PCS_GP, &val); 10014 val |= (3<<10); 10015 elink_cl45_write(sc, phy, 10016 MDIO_PMA_DEVAD, 10017 MDIO_PMA_REG_8727_PCS_GP, val); 10018 } 10019 } else if ((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 10020 ((phy->speed_cap_mask & 10021 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) && 10022 ((phy->speed_cap_mask & 10023 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) != 10024 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) { 10025 10026 ELINK_DEBUG_P0(sc, "Setting 1G clause37\n"); 10027 elink_cl45_write(sc, phy, 10028 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0); 10029 elink_cl45_write(sc, phy, 10030 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300); 10031 } else { 10032 /* Since the 8727 has only single reset pin, need to set the 10G 10033 * registers although it is default 10034 */ 10035 elink_cl45_write(sc, phy, 10036 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 10037 0x0020); 10038 elink_cl45_write(sc, phy, 10039 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100); 10040 elink_cl45_write(sc, phy, 10041 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040); 10042 elink_cl45_write(sc, phy, 10043 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 10044 0x0008); 10045 } 10046} 10047 10048static elink_status_t elink_8727_config_init(struct elink_phy *phy, 10049 struct elink_params *params, 10050 struct elink_vars *vars) 10051{ 10052 uint32_t tx_en_mode; 10053 uint16_t tmp1, mod_abs, tmp2; 10054 struct bxe_softc *sc = params->sc; 10055 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */ 10056 10057 elink_wait_reset_complete(sc, phy, params); 10058 10059 ELINK_DEBUG_P0(sc, "Initializing BCM8727\n"); 10060 10061 elink_8727_specific_func(phy, params, ELINK_PHY_INIT); 10062 /* Initially configure MOD_ABS to interrupt when module is 10063 * presence( bit 8) 10064 */ 10065 elink_cl45_read(sc, phy, 10066 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 10067 /* Set EDC off by setting OPTXLOS signal input to low (bit 9). 10068 * When the EDC is off it locks onto a reference clock and avoids 10069 * becoming 'lost' 10070 */ 10071 mod_abs &= ~(1<<8); 10072 if (!(phy->flags & ELINK_FLAGS_NOC)) 10073 mod_abs &= ~(1<<9); 10074 elink_cl45_write(sc, phy, 10075 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 10076 10077 /* Enable/Disable PHY transmitter output */ 10078 elink_set_disable_pmd_transmit(params, phy, 0); 10079 10080 elink_8727_power_module(sc, phy, 1); 10081 10082 elink_cl45_read(sc, phy, 10083 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1); 10084 10085 elink_cl45_read(sc, phy, 10086 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1); 10087 10088 elink_8727_config_speed(phy, params); 10089 10090 10091 /* Set TX PreEmphasis if needed */ 10092 if ((params->feature_config_flags & 10093 ELINK_FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) { 10094 ELINK_DEBUG_P2(sc, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n", 10095 phy->tx_preemphasis[0], 10096 phy->tx_preemphasis[1]); 10097 elink_cl45_write(sc, phy, 10098 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1, 10099 phy->tx_preemphasis[0]); 10100 10101 elink_cl45_write(sc, phy, 10102 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2, 10103 phy->tx_preemphasis[1]); 10104 } 10105 10106 /* If TX Laser is controlled by GPIO_0, do not let PHY go into low 10107 * power mode, if TX Laser is disabled 10108 */ 10109 tx_en_mode = REG_RD(sc, params->shmem_base + 10110 offsetof(struct shmem_region, 10111 dev_info.port_hw_config[params->port].sfp_ctrl)) 10112 & PORT_HW_CFG_TX_LASER_MASK; 10113 10114 if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) { 10115 10116 ELINK_DEBUG_P0(sc, "Enabling TXONOFF_PWRDN_DIS\n"); 10117 elink_cl45_read(sc, phy, 10118 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2); 10119 tmp2 |= 0x1000; 10120 tmp2 &= 0xFFEF; 10121 elink_cl45_write(sc, phy, 10122 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2); 10123 elink_cl45_read(sc, phy, 10124 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 10125 &tmp2); 10126 elink_cl45_write(sc, phy, 10127 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 10128 (tmp2 & 0x7fff)); 10129 } 10130 10131 return ELINK_STATUS_OK; 10132} 10133 10134static void elink_8727_handle_mod_abs(struct elink_phy *phy, 10135 struct elink_params *params) 10136{ 10137 struct bxe_softc *sc = params->sc; 10138 uint16_t mod_abs, rx_alarm_status; 10139 uint32_t val = REG_RD(sc, params->shmem_base + 10140 offsetof(struct shmem_region, dev_info. 10141 port_feature_config[params->port]. 10142 config)); 10143 elink_cl45_read(sc, phy, 10144 MDIO_PMA_DEVAD, 10145 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs); 10146 if (mod_abs & (1<<8)) { 10147 10148 /* Module is absent */ 10149 ELINK_DEBUG_P0(sc, 10150 "MOD_ABS indication show module is absent\n"); 10151 phy->media_type = ELINK_ETH_PHY_NOT_PRESENT; 10152 /* 1. Set mod_abs to detect next module 10153 * presence event 10154 * 2. Set EDC off by setting OPTXLOS signal input to low 10155 * (bit 9). 10156 * When the EDC is off it locks onto a reference clock and 10157 * avoids becoming 'lost'. 10158 */ 10159 mod_abs &= ~(1<<8); 10160 if (!(phy->flags & ELINK_FLAGS_NOC)) 10161 mod_abs &= ~(1<<9); 10162 elink_cl45_write(sc, phy, 10163 MDIO_PMA_DEVAD, 10164 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 10165 10166 /* Clear RX alarm since it stays up as long as 10167 * the mod_abs wasn't changed 10168 */ 10169 elink_cl45_read(sc, phy, 10170 MDIO_PMA_DEVAD, 10171 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 10172 10173 } else { 10174 /* Module is present */ 10175 ELINK_DEBUG_P0(sc, 10176 "MOD_ABS indication show module is present\n"); 10177 /* First disable transmitter, and if the module is ok, the 10178 * module_detection will enable it 10179 * 1. Set mod_abs to detect next module absent event ( bit 8) 10180 * 2. Restore the default polarity of the OPRXLOS signal and 10181 * this signal will then correctly indicate the presence or 10182 * absence of the Rx signal. (bit 9) 10183 */ 10184 mod_abs |= (1<<8); 10185 if (!(phy->flags & ELINK_FLAGS_NOC)) 10186 mod_abs |= (1<<9); 10187 elink_cl45_write(sc, phy, 10188 MDIO_PMA_DEVAD, 10189 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs); 10190 10191 /* Clear RX alarm since it stays up as long as the mod_abs 10192 * wasn't changed. This is need to be done before calling the 10193 * module detection, otherwise it will clear* the link update 10194 * alarm 10195 */ 10196 elink_cl45_read(sc, phy, 10197 MDIO_PMA_DEVAD, 10198 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 10199 10200 10201 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) == 10202 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) 10203 elink_sfp_set_transmitter(params, phy, 0); 10204 10205 if (elink_wait_for_sfp_module_initialized(phy, params) == 0) 10206 elink_sfp_module_detection(phy, params); 10207 else 10208 ELINK_DEBUG_P0(sc, "SFP+ module is not initialized\n"); 10209 10210 /* Reconfigure link speed based on module type limitations */ 10211 elink_8727_config_speed(phy, params); 10212 } 10213 10214 ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n", 10215 rx_alarm_status); 10216 /* No need to check link status in case of module plugged in/out */ 10217} 10218 10219static uint8_t elink_8727_read_status(struct elink_phy *phy, 10220 struct elink_params *params, 10221 struct elink_vars *vars) 10222 10223{ 10224 struct bxe_softc *sc = params->sc; 10225 uint8_t link_up = 0, oc_port = params->port; 10226 uint16_t link_status = 0; 10227 uint16_t rx_alarm_status, lasi_ctrl, val1; 10228 10229 /* If PHY is not initialized, do not check link status */ 10230 elink_cl45_read(sc, phy, 10231 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 10232 &lasi_ctrl); 10233 if (!lasi_ctrl) 10234 return 0; 10235 10236 /* Check the LASI on Rx */ 10237 elink_cl45_read(sc, phy, 10238 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, 10239 &rx_alarm_status); 10240 vars->line_speed = 0; 10241 ELINK_DEBUG_P1(sc, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status); 10242 10243 elink_sfp_mask_fault(sc, phy, MDIO_PMA_LASI_TXSTAT, 10244 MDIO_PMA_LASI_TXCTRL); 10245 10246 elink_cl45_read(sc, phy, 10247 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 10248 10249 ELINK_DEBUG_P1(sc, "8727 LASI status 0x%x\n", val1); 10250 10251 /* Clear MSG-OUT */ 10252 elink_cl45_read(sc, phy, 10253 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1); 10254 10255 /* If a module is present and there is need to check 10256 * for over current 10257 */ 10258 if (!(phy->flags & ELINK_FLAGS_NOC) && !(rx_alarm_status & (1<<5))) { 10259 /* Check over-current using 8727 GPIO0 input*/ 10260 elink_cl45_read(sc, phy, 10261 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL, 10262 &val1); 10263 10264 if ((val1 & (1<<8)) == 0) { 10265 if (!CHIP_IS_E1x(sc)) 10266 oc_port = SC_PATH(sc) + (params->port << 1); 10267 ELINK_DEBUG_P1(sc, 10268 "8727 Power fault has been detected on port %d\n", 10269 oc_port); 10270 elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, oc_port); //"Error: Power fault on Port %d has " 10271 // "been detected and the power to " 10272 // "that SFP+ module has been removed " 10273 // "to prevent failure of the card. " 10274 // "Please remove the SFP+ module and " 10275 // "restart the system to clear this " 10276 // "error.\n", 10277 /* Disable all RX_ALARMs except for mod_abs */ 10278 elink_cl45_write(sc, phy, 10279 MDIO_PMA_DEVAD, 10280 MDIO_PMA_LASI_RXCTRL, (1<<5)); 10281 10282 elink_cl45_read(sc, phy, 10283 MDIO_PMA_DEVAD, 10284 MDIO_PMA_REG_PHY_IDENTIFIER, &val1); 10285 /* Wait for module_absent_event */ 10286 val1 |= (1<<8); 10287 elink_cl45_write(sc, phy, 10288 MDIO_PMA_DEVAD, 10289 MDIO_PMA_REG_PHY_IDENTIFIER, val1); 10290 /* Clear RX alarm */ 10291 elink_cl45_read(sc, phy, 10292 MDIO_PMA_DEVAD, 10293 MDIO_PMA_LASI_RXSTAT, &rx_alarm_status); 10294 elink_8727_power_module(params->sc, phy, 0); 10295 return 0; 10296 } 10297 } /* Over current check */ 10298 10299 /* When module absent bit is set, check module */ 10300 if (rx_alarm_status & (1<<5)) { 10301 elink_8727_handle_mod_abs(phy, params); 10302 /* Enable all mod_abs and link detection bits */ 10303 elink_cl45_write(sc, phy, 10304 MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, 10305 ((1<<5) | (1<<2))); 10306 } 10307 10308 if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) { 10309 ELINK_DEBUG_P0(sc, "Enabling 8727 TX laser\n"); 10310 elink_sfp_set_transmitter(params, phy, 1); 10311 } else { 10312 ELINK_DEBUG_P0(sc, "Tx is disabled\n"); 10313 return 0; 10314 } 10315 10316 elink_cl45_read(sc, phy, 10317 MDIO_PMA_DEVAD, 10318 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status); 10319 10320 /* Bits 0..2 --> speed detected, 10321 * Bits 13..15--> link is down 10322 */ 10323 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) { 10324 link_up = 1; 10325 vars->line_speed = ELINK_SPEED_10000; 10326 ELINK_DEBUG_P1(sc, "port %x: External link up in 10G\n", 10327 params->port); 10328 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) { 10329 link_up = 1; 10330 vars->line_speed = ELINK_SPEED_1000; 10331 ELINK_DEBUG_P1(sc, "port %x: External link up in 1G\n", 10332 params->port); 10333 } else { 10334 link_up = 0; 10335 ELINK_DEBUG_P1(sc, "port %x: External link is down\n", 10336 params->port); 10337 } 10338 10339 /* Capture 10G link fault. */ 10340 if (vars->line_speed == ELINK_SPEED_10000) { 10341 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 10342 MDIO_PMA_LASI_TXSTAT, &val1); 10343 10344 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 10345 MDIO_PMA_LASI_TXSTAT, &val1); 10346 10347 if (val1 & (1<<0)) { 10348 vars->fault_detected = 1; 10349 } 10350 } 10351 10352 if (link_up) { 10353 elink_ext_phy_resolve_fc(phy, params, vars); 10354 vars->duplex = DUPLEX_FULL; 10355 ELINK_DEBUG_P1(sc, "duplex = 0x%x\n", vars->duplex); 10356 } 10357 10358 if ((ELINK_DUAL_MEDIA(params)) && 10359 (phy->req_line_speed == ELINK_SPEED_1000)) { 10360 elink_cl45_read(sc, phy, 10361 MDIO_PMA_DEVAD, 10362 MDIO_PMA_REG_8727_PCS_GP, &val1); 10363 /* In case of dual-media board and 1G, power up the XAUI side, 10364 * otherwise power it down. For 10G it is done automatically 10365 */ 10366 if (link_up) 10367 val1 &= ~(3<<10); 10368 else 10369 val1 |= (3<<10); 10370 elink_cl45_write(sc, phy, 10371 MDIO_PMA_DEVAD, 10372 MDIO_PMA_REG_8727_PCS_GP, val1); 10373 } 10374 return link_up; 10375} 10376 10377static void elink_8727_link_reset(struct elink_phy *phy, 10378 struct elink_params *params) 10379{ 10380 struct bxe_softc *sc = params->sc; 10381 10382 /* Enable/Disable PHY transmitter output */ 10383 elink_set_disable_pmd_transmit(params, phy, 1); 10384 10385 /* Disable Transmitter */ 10386 elink_sfp_set_transmitter(params, phy, 0); 10387 /* Clear LASI */ 10388 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0); 10389 10390} 10391 10392/******************************************************************/ 10393/* BCM8481/BCM84823/BCM84833 PHY SECTION */ 10394/******************************************************************/ 10395static void elink_save_848xx_spirom_version(struct elink_phy *phy, 10396 struct bxe_softc *sc, 10397 uint8_t port) 10398{ 10399 uint16_t val, fw_ver2, cnt, i; 10400 static struct elink_reg_set reg_set[] = { 10401 {MDIO_PMA_DEVAD, 0xA819, 0x0014}, 10402 {MDIO_PMA_DEVAD, 0xA81A, 0xc200}, 10403 {MDIO_PMA_DEVAD, 0xA81B, 0x0000}, 10404 {MDIO_PMA_DEVAD, 0xA81C, 0x0300}, 10405 {MDIO_PMA_DEVAD, 0xA817, 0x0009} 10406 }; 10407 uint16_t fw_ver1; 10408 10409 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 10410 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10411 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1); 10412 elink_save_spirom_version(sc, port, fw_ver1 & 0xfff, 10413 phy->ver_addr); 10414 } else { 10415 /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */ 10416 /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */ 10417 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 10418 elink_cl45_write(sc, phy, reg_set[i].devad, 10419 reg_set[i].reg, reg_set[i].val); 10420 10421 for (cnt = 0; cnt < 100; cnt++) { 10422 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val); 10423 if (val & 1) 10424 break; 10425 DELAY(5); 10426 } 10427 if (cnt == 100) { 10428 ELINK_DEBUG_P0(sc, "Unable to read 848xx " 10429 "phy fw version(1)\n"); 10430 elink_save_spirom_version(sc, port, 0, 10431 phy->ver_addr); 10432 return; 10433 } 10434 10435 10436 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */ 10437 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000); 10438 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200); 10439 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A); 10440 for (cnt = 0; cnt < 100; cnt++) { 10441 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA818, &val); 10442 if (val & 1) 10443 break; 10444 DELAY(5); 10445 } 10446 if (cnt == 100) { 10447 ELINK_DEBUG_P0(sc, "Unable to read 848xx phy fw " 10448 "version(2)\n"); 10449 elink_save_spirom_version(sc, port, 0, 10450 phy->ver_addr); 10451 return; 10452 } 10453 10454 /* lower 16 bits of the register SPI_FW_STATUS */ 10455 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1); 10456 /* upper 16 bits of register SPI_FW_STATUS */ 10457 elink_cl45_read(sc, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2); 10458 10459 elink_save_spirom_version(sc, port, (fw_ver2<<16) | fw_ver1, 10460 phy->ver_addr); 10461 } 10462 10463} 10464static void elink_848xx_set_led(struct bxe_softc *sc, 10465 struct elink_phy *phy) 10466{ 10467 uint16_t val, offset, i; 10468 static struct elink_reg_set reg_set[] = { 10469 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080}, 10470 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018}, 10471 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006}, 10472 {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000}, 10473 {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH, 10474 MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ}, 10475 {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD} 10476 }; 10477 /* PHYC_CTL_LED_CTL */ 10478 elink_cl45_read(sc, phy, 10479 MDIO_PMA_DEVAD, 10480 MDIO_PMA_REG_8481_LINK_SIGNAL, &val); 10481 val &= 0xFE00; 10482 val |= 0x0092; 10483 10484 elink_cl45_write(sc, phy, 10485 MDIO_PMA_DEVAD, 10486 MDIO_PMA_REG_8481_LINK_SIGNAL, val); 10487 10488 for (i = 0; i < ARRAY_SIZE(reg_set); i++) 10489 elink_cl45_write(sc, phy, reg_set[i].devad, reg_set[i].reg, 10490 reg_set[i].val); 10491 10492 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 10493 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) 10494 offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1; 10495 else 10496 offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1; 10497 10498 /* stretch_en for LED3*/ 10499 elink_cl45_read_or_write(sc, phy, 10500 MDIO_PMA_DEVAD, offset, 10501 MDIO_PMA_REG_84823_LED3_STRETCH_EN); 10502} 10503 10504static void elink_848xx_specific_func(struct elink_phy *phy, 10505 struct elink_params *params, 10506 uint32_t action) 10507{ 10508 struct bxe_softc *sc = params->sc; 10509 switch (action) { 10510 case ELINK_PHY_INIT: 10511 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 10512 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10513 /* Save spirom version */ 10514 elink_save_848xx_spirom_version(phy, sc, params->port); 10515 } 10516 /* This phy uses the NIG latch mechanism since link indication 10517 * arrives through its LED4 and not via its LASI signal, so we 10518 * get steady signal instead of clear on read 10519 */ 10520 elink_bits_en(sc, NIG_REG_LATCH_BC_0 + params->port*4, 10521 1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT); 10522 10523 elink_848xx_set_led(sc, phy); 10524 break; 10525 } 10526} 10527 10528static elink_status_t elink_848xx_cmn_config_init(struct elink_phy *phy, 10529 struct elink_params *params, 10530 struct elink_vars *vars) 10531{ 10532 struct bxe_softc *sc = params->sc; 10533 uint16_t autoneg_val, an_1000_val, an_10_100_val; 10534 10535 elink_848xx_specific_func(phy, params, ELINK_PHY_INIT); 10536 elink_cl45_write(sc, phy, 10537 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000); 10538 10539 /* set 1000 speed advertisement */ 10540 elink_cl45_read(sc, phy, 10541 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 10542 &an_1000_val); 10543 10544 elink_ext_phy_set_pause(params, phy, vars); 10545 elink_cl45_read(sc, phy, 10546 MDIO_AN_DEVAD, 10547 MDIO_AN_REG_8481_LEGACY_AN_ADV, 10548 &an_10_100_val); 10549 elink_cl45_read(sc, phy, 10550 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL, 10551 &autoneg_val); 10552 /* Disable forced speed */ 10553 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 10554 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8)); 10555 10556 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 10557 (phy->speed_cap_mask & 10558 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 10559 (phy->req_line_speed == ELINK_SPEED_1000)) { 10560 an_1000_val |= (1<<8); 10561 autoneg_val |= (1<<9 | 1<<12); 10562 if (phy->req_duplex == DUPLEX_FULL) 10563 an_1000_val |= (1<<9); 10564 ELINK_DEBUG_P0(sc, "Advertising 1G\n"); 10565 } else 10566 an_1000_val &= ~((1<<8) | (1<<9)); 10567 10568 elink_cl45_write(sc, phy, 10569 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, 10570 an_1000_val); 10571 10572 /* Set 10/100 speed advertisement */ 10573 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) { 10574 if (phy->speed_cap_mask & 10575 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { 10576 /* Enable autoneg and restart autoneg for legacy speeds 10577 */ 10578 autoneg_val |= (1<<9 | 1<<12); 10579 an_10_100_val |= (1<<8); 10580 ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n"); 10581 } 10582 10583 if (phy->speed_cap_mask & 10584 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { 10585 /* Enable autoneg and restart autoneg for legacy speeds 10586 */ 10587 autoneg_val |= (1<<9 | 1<<12); 10588 an_10_100_val |= (1<<7); 10589 ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n"); 10590 } 10591 10592 if ((phy->speed_cap_mask & 10593 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && 10594 (phy->supported & ELINK_SUPPORTED_10baseT_Full)) { 10595 an_10_100_val |= (1<<6); 10596 autoneg_val |= (1<<9 | 1<<12); 10597 ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n"); 10598 } 10599 10600 if ((phy->speed_cap_mask & 10601 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) && 10602 (phy->supported & ELINK_SUPPORTED_10baseT_Half)) { 10603 an_10_100_val |= (1<<5); 10604 autoneg_val |= (1<<9 | 1<<12); 10605 ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n"); 10606 } 10607 } 10608 10609 /* Only 10/100 are allowed to work in FORCE mode */ 10610 if ((phy->req_line_speed == ELINK_SPEED_100) && 10611 (phy->supported & 10612 (ELINK_SUPPORTED_100baseT_Half | 10613 ELINK_SUPPORTED_100baseT_Full))) { 10614 autoneg_val |= (1<<13); 10615 /* Enabled AUTO-MDIX when autoneg is disabled */ 10616 elink_cl45_write(sc, phy, 10617 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 10618 (1<<15 | 1<<9 | 7<<0)); 10619 /* The PHY needs this set even for forced link. */ 10620 an_10_100_val |= (1<<8) | (1<<7); 10621 ELINK_DEBUG_P0(sc, "Setting 100M force\n"); 10622 } 10623 if ((phy->req_line_speed == ELINK_SPEED_10) && 10624 (phy->supported & 10625 (ELINK_SUPPORTED_10baseT_Half | 10626 ELINK_SUPPORTED_10baseT_Full))) { 10627 /* Enabled AUTO-MDIX when autoneg is disabled */ 10628 elink_cl45_write(sc, phy, 10629 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL, 10630 (1<<15 | 1<<9 | 7<<0)); 10631 ELINK_DEBUG_P0(sc, "Setting 10M force\n"); 10632 } 10633 10634 elink_cl45_write(sc, phy, 10635 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV, 10636 an_10_100_val); 10637 10638 if (phy->req_duplex == DUPLEX_FULL) 10639 autoneg_val |= (1<<8); 10640 10641 /* Always write this if this is not 84833/4. 10642 * For 84833/4, write it only when it's a forced speed. 10643 */ 10644 if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 10645 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) || 10646 ((autoneg_val & (1<<12)) == 0)) 10647 elink_cl45_write(sc, phy, 10648 MDIO_AN_DEVAD, 10649 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val); 10650 10651 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 10652 (phy->speed_cap_mask & 10653 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || 10654 (phy->req_line_speed == ELINK_SPEED_10000)) { 10655 ELINK_DEBUG_P0(sc, "Advertising 10G\n"); 10656 /* Restart autoneg for 10G*/ 10657 10658 elink_cl45_read_or_write( 10659 sc, phy, 10660 MDIO_AN_DEVAD, 10661 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 10662 0x1000); 10663 elink_cl45_write(sc, phy, 10664 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 10665 0x3200); 10666 } else 10667 elink_cl45_write(sc, phy, 10668 MDIO_AN_DEVAD, 10669 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL, 10670 1); 10671 10672 return ELINK_STATUS_OK; 10673} 10674 10675static elink_status_t elink_8481_config_init(struct elink_phy *phy, 10676 struct elink_params *params, 10677 struct elink_vars *vars) 10678{ 10679 struct bxe_softc *sc = params->sc; 10680 /* Restore normal power mode*/ 10681 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 10682 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 10683 10684 /* HW reset */ 10685 elink_ext_phy_hw_reset(sc, params->port); 10686 elink_wait_reset_complete(sc, phy, params); 10687 10688 elink_cl45_write(sc, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 10689 return elink_848xx_cmn_config_init(phy, params, vars); 10690} 10691 10692#define PHY84833_CMDHDLR_WAIT 300 10693#define PHY84833_CMDHDLR_MAX_ARGS 5 10694static elink_status_t elink_84833_cmd_hdlr(struct elink_phy *phy, 10695 struct elink_params *params, uint16_t fw_cmd, 10696 uint16_t cmd_args[], int argc) 10697{ 10698 int idx; 10699 uint16_t val; 10700 struct bxe_softc *sc = params->sc; 10701 /* Write CMD_OPEN_OVERRIDE to STATUS reg */ 10702 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD, 10703 MDIO_84833_CMD_HDLR_STATUS, 10704 PHY84833_STATUS_CMD_OPEN_OVERRIDE); 10705 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 10706 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 10707 MDIO_84833_CMD_HDLR_STATUS, &val); 10708 if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS) 10709 break; 10710 DELAY(1000 * 1); 10711 } 10712 if (idx >= PHY84833_CMDHDLR_WAIT) { 10713 ELINK_DEBUG_P0(sc, "FW cmd: FW not ready.\n"); 10714 return ELINK_STATUS_ERROR; 10715 } 10716 10717 /* Prepare argument(s) and issue command */ 10718 for (idx = 0; idx < argc; idx++) { 10719 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD, 10720 MDIO_84833_CMD_HDLR_DATA1 + idx, 10721 cmd_args[idx]); 10722 } 10723 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD, 10724 MDIO_84833_CMD_HDLR_COMMAND, fw_cmd); 10725 for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) { 10726 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 10727 MDIO_84833_CMD_HDLR_STATUS, &val); 10728 if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) || 10729 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) 10730 break; 10731 DELAY(1000 * 1); 10732 } 10733 if ((idx >= PHY84833_CMDHDLR_WAIT) || 10734 (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) { 10735 ELINK_DEBUG_P0(sc, "FW cmd failed.\n"); 10736 return ELINK_STATUS_ERROR; 10737 } 10738 /* Gather returning data */ 10739 for (idx = 0; idx < argc; idx++) { 10740 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 10741 MDIO_84833_CMD_HDLR_DATA1 + idx, 10742 &cmd_args[idx]); 10743 } 10744 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD, 10745 MDIO_84833_CMD_HDLR_STATUS, 10746 PHY84833_STATUS_CMD_CLEAR_COMPLETE); 10747 return ELINK_STATUS_OK; 10748} 10749 10750static elink_status_t elink_84833_pair_swap_cfg(struct elink_phy *phy, 10751 struct elink_params *params, 10752 struct elink_vars *vars) 10753{ 10754 uint32_t pair_swap; 10755 uint16_t data[PHY84833_CMDHDLR_MAX_ARGS]; 10756 elink_status_t status; 10757 struct bxe_softc *sc = params->sc; 10758 10759 /* Check for configuration. */ 10760 pair_swap = REG_RD(sc, params->shmem_base + 10761 offsetof(struct shmem_region, 10762 dev_info.port_hw_config[params->port].xgbt_phy_cfg)) & 10763 PORT_HW_CFG_RJ45_PAIR_SWAP_MASK; 10764 10765 if (pair_swap == 0) 10766 return ELINK_STATUS_OK; 10767 10768 /* Only the second argument is used for this command */ 10769 data[1] = (uint16_t)pair_swap; 10770 10771 status = elink_84833_cmd_hdlr(phy, params, 10772 PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS); 10773 if (status == ELINK_STATUS_OK) 10774 ELINK_DEBUG_P1(sc, "Pairswap OK, val=0x%x\n", data[1]); 10775 10776 return status; 10777} 10778 10779static uint8_t elink_84833_get_reset_gpios(struct bxe_softc *sc, 10780 uint32_t shmem_base_path[], 10781 uint32_t chip_id) 10782{ 10783 uint32_t reset_pin[2]; 10784 uint32_t idx; 10785 uint8_t reset_gpios; 10786 if (CHIP_IS_E3(sc)) { 10787 /* Assume that these will be GPIOs, not EPIOs. */ 10788 for (idx = 0; idx < 2; idx++) { 10789 /* Map config param to register bit. */ 10790 reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] + 10791 offsetof(struct shmem_region, 10792 dev_info.port_hw_config[0].e3_cmn_pin_cfg)); 10793 reset_pin[idx] = (reset_pin[idx] & 10794 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 10795 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 10796 reset_pin[idx] -= PIN_CFG_GPIO0_P0; 10797 reset_pin[idx] = (1 << reset_pin[idx]); 10798 } 10799 reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]); 10800 } else { 10801 /* E2, look from diff place of shmem. */ 10802 for (idx = 0; idx < 2; idx++) { 10803 reset_pin[idx] = REG_RD(sc, shmem_base_path[idx] + 10804 offsetof(struct shmem_region, 10805 dev_info.port_hw_config[0].default_cfg)); 10806 reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK; 10807 reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0; 10808 reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT; 10809 reset_pin[idx] = (1 << reset_pin[idx]); 10810 } 10811 reset_gpios = (uint8_t)(reset_pin[0] | reset_pin[1]); 10812 } 10813 10814 return reset_gpios; 10815} 10816 10817static elink_status_t elink_84833_hw_reset_phy(struct elink_phy *phy, 10818 struct elink_params *params) 10819{ 10820 struct bxe_softc *sc = params->sc; 10821 uint8_t reset_gpios; 10822 uint32_t other_shmem_base_addr = REG_RD(sc, params->shmem2_base + 10823 offsetof(struct shmem2_region, 10824 other_shmem_base_addr)); 10825 10826 uint32_t shmem_base_path[2]; 10827 10828 /* Work around for 84833 LED failure inside RESET status */ 10829 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 10830 MDIO_AN_REG_8481_LEGACY_MII_CTRL, 10831 MDIO_AN_REG_8481_MII_CTRL_FORCE_1G); 10832 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 10833 MDIO_AN_REG_8481_1G_100T_EXT_CTRL, 10834 MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF); 10835 10836 shmem_base_path[0] = params->shmem_base; 10837 shmem_base_path[1] = other_shmem_base_addr; 10838 10839 reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, 10840 params->chip_id); 10841 10842 elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 10843 DELAY(10); 10844 ELINK_DEBUG_P1(sc, "84833 hw reset on pin values 0x%x\n", 10845 reset_gpios); 10846 10847 return ELINK_STATUS_OK; 10848} 10849 10850static elink_status_t elink_8483x_disable_eee(struct elink_phy *phy, 10851 struct elink_params *params, 10852 struct elink_vars *vars) 10853{ 10854 elink_status_t rc; 10855 struct bxe_softc *sc = params->sc; 10856 uint16_t cmd_args = 0; 10857 10858 ELINK_DEBUG_P0(sc, "Don't Advertise 10GBase-T EEE\n"); 10859 10860 /* Prevent Phy from working in EEE and advertising it */ 10861 rc = elink_84833_cmd_hdlr(phy, params, 10862 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 10863 if (rc != ELINK_STATUS_OK) { 10864 ELINK_DEBUG_P0(sc, "EEE disable failed.\n"); 10865 return rc; 10866 } 10867 10868 return elink_eee_disable(phy, params, vars); 10869} 10870 10871static elink_status_t elink_8483x_enable_eee(struct elink_phy *phy, 10872 struct elink_params *params, 10873 struct elink_vars *vars) 10874{ 10875 elink_status_t rc; 10876 struct bxe_softc *sc = params->sc; 10877 uint16_t cmd_args = 1; 10878 10879 rc = elink_84833_cmd_hdlr(phy, params, 10880 PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1); 10881 if (rc != ELINK_STATUS_OK) { 10882 ELINK_DEBUG_P0(sc, "EEE enable failed.\n"); 10883 return rc; 10884 } 10885 10886 return elink_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV); 10887} 10888 10889#define PHY84833_CONSTANT_LATENCY 1193 10890static elink_status_t elink_848x3_config_init(struct elink_phy *phy, 10891 struct elink_params *params, 10892 struct elink_vars *vars) 10893{ 10894 struct bxe_softc *sc = params->sc; 10895 uint8_t port, initialize = 1; 10896 uint16_t val; 10897 uint32_t actual_phy_selection; 10898 uint16_t cmd_args[PHY84833_CMDHDLR_MAX_ARGS]; 10899 elink_status_t rc = ELINK_STATUS_OK; 10900 10901 DELAY(1000 * 1); 10902 10903 if (!(CHIP_IS_E1x(sc))) 10904 port = SC_PATH(sc); 10905 else 10906 port = params->port; 10907 10908 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 10909 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3, 10910 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 10911 port); 10912 } else { 10913 /* MDIO reset */ 10914 elink_cl45_write(sc, phy, 10915 MDIO_PMA_DEVAD, 10916 MDIO_PMA_REG_CTRL, 0x8000); 10917 } 10918 10919 elink_wait_reset_complete(sc, phy, params); 10920 10921 /* Wait for GPHY to come out of reset */ 10922 DELAY(1000 * 50); 10923 if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) && 10924 (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10925 /* BCM84823 requires that XGXS links up first @ 10G for normal 10926 * behavior. 10927 */ 10928 uint16_t temp; 10929 temp = vars->line_speed; 10930 vars->line_speed = ELINK_SPEED_10000; 10931 elink_set_autoneg(¶ms->phy[ELINK_INT_PHY], params, vars, 0); 10932 elink_program_serdes(¶ms->phy[ELINK_INT_PHY], params, vars); 10933 vars->line_speed = temp; 10934 } 10935 10936 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 10937 MDIO_CTL_REG_84823_MEDIA, &val); 10938 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10939 MDIO_CTL_REG_84823_MEDIA_LINE_MASK | 10940 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN | 10941 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK | 10942 MDIO_CTL_REG_84823_MEDIA_FIBER_1G); 10943 10944 if (CHIP_IS_E3(sc)) { 10945 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK | 10946 MDIO_CTL_REG_84823_MEDIA_LINE_MASK); 10947 } else { 10948 val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI | 10949 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L); 10950 } 10951 10952 actual_phy_selection = elink_phy_selection(params); 10953 10954 switch (actual_phy_selection) { 10955 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT: 10956 /* Do nothing. Essentially this is like the priority copper */ 10957 break; 10958 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 10959 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER; 10960 break; 10961 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 10962 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER; 10963 break; 10964 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 10965 /* Do nothing here. The first PHY won't be initialized at all */ 10966 break; 10967 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 10968 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN; 10969 initialize = 0; 10970 break; 10971 } 10972 if (params->phy[ELINK_EXT_PHY2].req_line_speed == ELINK_SPEED_1000) 10973 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G; 10974 10975 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD, 10976 MDIO_CTL_REG_84823_MEDIA, val); 10977 ELINK_DEBUG_P2(sc, "Multi_phy config = 0x%x, Media control = 0x%x\n", 10978 params->multi_phy_config, val); 10979 10980 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 10981 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 10982 elink_84833_pair_swap_cfg(phy, params, vars); 10983 10984 /* Keep AutogrEEEn disabled. */ 10985 cmd_args[0] = 0x0; 10986 cmd_args[1] = 0x0; 10987 cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1; 10988 cmd_args[3] = PHY84833_CONSTANT_LATENCY; 10989 rc = elink_84833_cmd_hdlr(phy, params, 10990 PHY84833_CMD_SET_EEE_MODE, cmd_args, 10991 PHY84833_CMDHDLR_MAX_ARGS); 10992 if (rc != ELINK_STATUS_OK) 10993 ELINK_DEBUG_P0(sc, "Cfg AutogrEEEn failed.\n"); 10994 } 10995 if (initialize) 10996 rc = elink_848xx_cmn_config_init(phy, params, vars); 10997 else 10998 elink_save_848xx_spirom_version(phy, sc, params->port); 10999 /* 84833 PHY has a better feature and doesn't need to support this. */ 11000 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 11001 uint32_t cms_enable = REG_RD(sc, params->shmem_base + 11002 offsetof(struct shmem_region, 11003 dev_info.port_hw_config[params->port].default_cfg)) & 11004 PORT_HW_CFG_ENABLE_CMS_MASK; 11005 11006 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 11007 MDIO_CTL_REG_84823_USER_CTRL_REG, &val); 11008 if (cms_enable) 11009 val |= MDIO_CTL_REG_84823_USER_CTRL_CMS; 11010 else 11011 val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS; 11012 elink_cl45_write(sc, phy, MDIO_CTL_DEVAD, 11013 MDIO_CTL_REG_84823_USER_CTRL_REG, val); 11014 } 11015 11016 elink_cl45_read(sc, phy, MDIO_CTL_DEVAD, 11017 MDIO_84833_TOP_CFG_FW_REV, &val); 11018 11019 /* Configure EEE support */ 11020 if ((val >= MDIO_84833_TOP_CFG_FW_EEE) && 11021 (val != MDIO_84833_TOP_CFG_FW_NO_EEE) && 11022 elink_eee_has_cap(params)) { 11023 rc = elink_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV); 11024 if (rc != ELINK_STATUS_OK) { 11025 ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n"); 11026 elink_8483x_disable_eee(phy, params, vars); 11027 return rc; 11028 } 11029 11030 if ((phy->req_duplex == DUPLEX_FULL) && 11031 (params->eee_mode & ELINK_EEE_MODE_ADV_LPI) && 11032 (elink_eee_calc_timer(params) || 11033 !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) 11034 rc = elink_8483x_enable_eee(phy, params, vars); 11035 else 11036 rc = elink_8483x_disable_eee(phy, params, vars); 11037 if (rc != ELINK_STATUS_OK) { 11038 ELINK_DEBUG_P0(sc, "Failed to set EEE advertisement\n"); 11039 return rc; 11040 } 11041 } else { 11042 vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK; 11043 } 11044 11045 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 11046 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) { 11047 /* Bring PHY out of super isolate mode as the final step. */ 11048 elink_cl45_read_and_write(sc, phy, 11049 MDIO_CTL_DEVAD, 11050 MDIO_84833_TOP_CFG_XGPHY_STRAP1, 11051 (uint16_t)~MDIO_84833_SUPER_ISOLATE); 11052 } 11053 return rc; 11054} 11055 11056static uint8_t elink_848xx_read_status(struct elink_phy *phy, 11057 struct elink_params *params, 11058 struct elink_vars *vars) 11059{ 11060 struct bxe_softc *sc = params->sc; 11061 uint16_t val, val1, val2; 11062 uint8_t link_up = 0; 11063 11064 11065 /* Check 10G-BaseT link status */ 11066 /* Check PMD signal ok */ 11067 elink_cl45_read(sc, phy, 11068 MDIO_AN_DEVAD, 0xFFFA, &val1); 11069 elink_cl45_read(sc, phy, 11070 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL, 11071 &val2); 11072 ELINK_DEBUG_P1(sc, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2); 11073 11074 /* Check link 10G */ 11075 if (val2 & (1<<11)) { 11076 vars->line_speed = ELINK_SPEED_10000; 11077 vars->duplex = DUPLEX_FULL; 11078 link_up = 1; 11079 elink_ext_phy_10G_an_resolve(sc, phy, vars); 11080 } else { /* Check Legacy speed link */ 11081 uint16_t legacy_status, legacy_speed, mii_ctrl; 11082 11083 /* Enable expansion register 0x42 (Operation mode status) */ 11084 elink_cl45_write(sc, phy, 11085 MDIO_AN_DEVAD, 11086 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42); 11087 11088 /* Get legacy speed operation status */ 11089 elink_cl45_read(sc, phy, 11090 MDIO_AN_DEVAD, 11091 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, 11092 &legacy_status); 11093 11094 ELINK_DEBUG_P1(sc, "Legacy speed status = 0x%x\n", 11095 legacy_status); 11096 link_up = ((legacy_status & (1<<11)) == (1<<11)); 11097 legacy_speed = (legacy_status & (3<<9)); 11098 if (legacy_speed == (0<<9)) 11099 vars->line_speed = ELINK_SPEED_10; 11100 else if (legacy_speed == (1<<9)) 11101 vars->line_speed = ELINK_SPEED_100; 11102 else if (legacy_speed == (2<<9)) 11103 vars->line_speed = ELINK_SPEED_1000; 11104 else { /* Should not happen: Treat as link down */ 11105 vars->line_speed = 0; 11106 link_up = 0; 11107 } 11108 11109 if (params->feature_config_flags & 11110 ELINK_FEATURE_CONFIG_IEEE_PHY_TEST) { 11111 elink_cl45_read(sc, phy, 11112 MDIO_AN_DEVAD, 11113 MDIO_AN_REG_8481_LEGACY_MII_CTRL, 11114 &mii_ctrl); 11115 /* For IEEE testing, check for a fake link. */ 11116 link_up |= ((mii_ctrl & 0x3040) == 0x40); 11117 } 11118 11119 if (link_up) { 11120 if (legacy_status & (1<<8)) 11121 vars->duplex = DUPLEX_FULL; 11122 else 11123 vars->duplex = DUPLEX_HALF; 11124 11125 ELINK_DEBUG_P2(sc, 11126 "Link is up in %dMbps, is_duplex_full= %d\n", 11127 vars->line_speed, 11128 (vars->duplex == DUPLEX_FULL)); 11129 /* Check legacy speed AN resolution */ 11130 elink_cl45_read(sc, phy, 11131 MDIO_AN_DEVAD, 11132 MDIO_AN_REG_8481_LEGACY_MII_STATUS, 11133 &val); 11134 if (val & (1<<5)) 11135 vars->link_status |= 11136 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 11137 elink_cl45_read(sc, phy, 11138 MDIO_AN_DEVAD, 11139 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION, 11140 &val); 11141 if ((val & (1<<0)) == 0) 11142 vars->link_status |= 11143 LINK_STATUS_PARALLEL_DETECTION_USED; 11144 } 11145 } 11146 if (link_up) { 11147 ELINK_DEBUG_P1(sc, "BCM848x3: link speed is %d\n", 11148 vars->line_speed); 11149 elink_ext_phy_resolve_fc(phy, params, vars); 11150 11151 /* Read LP advertised speeds */ 11152 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 11153 MDIO_AN_REG_CL37_FC_LP, &val); 11154 if (val & (1<<5)) 11155 vars->link_status |= 11156 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 11157 if (val & (1<<6)) 11158 vars->link_status |= 11159 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 11160 if (val & (1<<7)) 11161 vars->link_status |= 11162 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 11163 if (val & (1<<8)) 11164 vars->link_status |= 11165 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 11166 if (val & (1<<9)) 11167 vars->link_status |= 11168 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 11169 11170 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 11171 MDIO_AN_REG_1000T_STATUS, &val); 11172 11173 if (val & (1<<10)) 11174 vars->link_status |= 11175 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 11176 if (val & (1<<11)) 11177 vars->link_status |= 11178 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 11179 11180 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 11181 MDIO_AN_REG_MASTER_STATUS, &val); 11182 11183 if (val & (1<<11)) 11184 vars->link_status |= 11185 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 11186 11187 /* Determine if EEE was negotiated */ 11188 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 11189 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) 11190 elink_eee_an_resolve(phy, params, vars); 11191 } 11192 11193 return link_up; 11194} 11195 11196static elink_status_t elink_848xx_format_ver(uint32_t raw_ver, uint8_t *str, uint16_t *len) 11197{ 11198 elink_status_t status = ELINK_STATUS_OK; 11199 uint32_t spirom_ver; 11200 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F); 11201 status = elink_format_ver(spirom_ver, str, len); 11202 return status; 11203} 11204 11205static void elink_8481_hw_reset(struct elink_phy *phy, 11206 struct elink_params *params) 11207{ 11208 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1, 11209 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0); 11210 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1, 11211 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1); 11212} 11213 11214static void elink_8481_link_reset(struct elink_phy *phy, 11215 struct elink_params *params) 11216{ 11217 elink_cl45_write(params->sc, phy, 11218 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000); 11219 elink_cl45_write(params->sc, phy, 11220 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1); 11221} 11222 11223static void elink_848x3_link_reset(struct elink_phy *phy, 11224 struct elink_params *params) 11225{ 11226 struct bxe_softc *sc = params->sc; 11227 uint8_t port; 11228 uint16_t val16; 11229 11230 if (!(CHIP_IS_E1x(sc))) 11231 port = SC_PATH(sc); 11232 else 11233 port = params->port; 11234 11235 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) { 11236 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_3, 11237 MISC_REGISTERS_GPIO_OUTPUT_LOW, 11238 port); 11239 } else { 11240 elink_cl45_read(sc, phy, 11241 MDIO_CTL_DEVAD, 11242 MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16); 11243 val16 |= MDIO_84833_SUPER_ISOLATE; 11244 elink_cl45_write(sc, phy, 11245 MDIO_CTL_DEVAD, 11246 MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16); 11247 } 11248} 11249 11250static void elink_848xx_set_link_led(struct elink_phy *phy, 11251 struct elink_params *params, uint8_t mode) 11252{ 11253 struct bxe_softc *sc = params->sc; 11254 uint16_t val; 11255 uint8_t port; 11256 11257 if (!(CHIP_IS_E1x(sc))) 11258 port = SC_PATH(sc); 11259 else 11260 port = params->port; 11261 11262 switch (mode) { 11263 case ELINK_LED_MODE_OFF: 11264 11265 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OFF\n", port); 11266 11267 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 11268 SHARED_HW_CFG_LED_EXTPHY1) { 11269 11270 /* Set LED masks */ 11271 elink_cl45_write(sc, phy, 11272 MDIO_PMA_DEVAD, 11273 MDIO_PMA_REG_8481_LED1_MASK, 11274 0x0); 11275 11276 elink_cl45_write(sc, phy, 11277 MDIO_PMA_DEVAD, 11278 MDIO_PMA_REG_8481_LED2_MASK, 11279 0x0); 11280 11281 elink_cl45_write(sc, phy, 11282 MDIO_PMA_DEVAD, 11283 MDIO_PMA_REG_8481_LED3_MASK, 11284 0x0); 11285 11286 elink_cl45_write(sc, phy, 11287 MDIO_PMA_DEVAD, 11288 MDIO_PMA_REG_8481_LED5_MASK, 11289 0x0); 11290 11291 } else { 11292 elink_cl45_write(sc, phy, 11293 MDIO_PMA_DEVAD, 11294 MDIO_PMA_REG_8481_LED1_MASK, 11295 0x0); 11296 } 11297 break; 11298 case ELINK_LED_MODE_FRONT_PANEL_OFF: 11299 11300 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE FRONT PANEL OFF\n", 11301 port); 11302 11303 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 11304 SHARED_HW_CFG_LED_EXTPHY1) { 11305 11306 /* Set LED masks */ 11307 elink_cl45_write(sc, phy, 11308 MDIO_PMA_DEVAD, 11309 MDIO_PMA_REG_8481_LED1_MASK, 11310 0x0); 11311 11312 elink_cl45_write(sc, phy, 11313 MDIO_PMA_DEVAD, 11314 MDIO_PMA_REG_8481_LED2_MASK, 11315 0x0); 11316 11317 elink_cl45_write(sc, phy, 11318 MDIO_PMA_DEVAD, 11319 MDIO_PMA_REG_8481_LED3_MASK, 11320 0x0); 11321 11322 elink_cl45_write(sc, phy, 11323 MDIO_PMA_DEVAD, 11324 MDIO_PMA_REG_8481_LED5_MASK, 11325 0x20); 11326 11327 } else { 11328 elink_cl45_write(sc, phy, 11329 MDIO_PMA_DEVAD, 11330 MDIO_PMA_REG_8481_LED1_MASK, 11331 0x0); 11332 if (phy->type == 11333 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { 11334 /* Disable MI_INT interrupt before setting LED4 11335 * source to constant off. 11336 */ 11337 if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + 11338 params->port*4) & 11339 ELINK_NIG_MASK_MI_INT) { 11340 params->link_flags |= 11341 ELINK_LINK_FLAGS_INT_DISABLED; 11342 11343 elink_bits_dis( 11344 sc, 11345 NIG_REG_MASK_INTERRUPT_PORT0 + 11346 params->port*4, 11347 ELINK_NIG_MASK_MI_INT); 11348 } 11349 elink_cl45_write(sc, phy, 11350 MDIO_PMA_DEVAD, 11351 MDIO_PMA_REG_8481_SIGNAL_MASK, 11352 0x0); 11353 } 11354 } 11355 break; 11356 case ELINK_LED_MODE_ON: 11357 11358 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE ON\n", port); 11359 11360 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 11361 SHARED_HW_CFG_LED_EXTPHY1) { 11362 /* Set control reg */ 11363 elink_cl45_read(sc, phy, 11364 MDIO_PMA_DEVAD, 11365 MDIO_PMA_REG_8481_LINK_SIGNAL, 11366 &val); 11367 val &= 0x8000; 11368 val |= 0x2492; 11369 11370 elink_cl45_write(sc, phy, 11371 MDIO_PMA_DEVAD, 11372 MDIO_PMA_REG_8481_LINK_SIGNAL, 11373 val); 11374 11375 /* Set LED masks */ 11376 elink_cl45_write(sc, phy, 11377 MDIO_PMA_DEVAD, 11378 MDIO_PMA_REG_8481_LED1_MASK, 11379 0x0); 11380 11381 elink_cl45_write(sc, phy, 11382 MDIO_PMA_DEVAD, 11383 MDIO_PMA_REG_8481_LED2_MASK, 11384 0x20); 11385 11386 elink_cl45_write(sc, phy, 11387 MDIO_PMA_DEVAD, 11388 MDIO_PMA_REG_8481_LED3_MASK, 11389 0x20); 11390 11391 elink_cl45_write(sc, phy, 11392 MDIO_PMA_DEVAD, 11393 MDIO_PMA_REG_8481_LED5_MASK, 11394 0x0); 11395 } else { 11396 elink_cl45_write(sc, phy, 11397 MDIO_PMA_DEVAD, 11398 MDIO_PMA_REG_8481_LED1_MASK, 11399 0x20); 11400 if (phy->type == 11401 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { 11402 /* Disable MI_INT interrupt before setting LED4 11403 * source to constant on. 11404 */ 11405 if (REG_RD(sc, NIG_REG_MASK_INTERRUPT_PORT0 + 11406 params->port*4) & 11407 ELINK_NIG_MASK_MI_INT) { 11408 params->link_flags |= 11409 ELINK_LINK_FLAGS_INT_DISABLED; 11410 11411 elink_bits_dis( 11412 sc, 11413 NIG_REG_MASK_INTERRUPT_PORT0 + 11414 params->port*4, 11415 ELINK_NIG_MASK_MI_INT); 11416 } 11417 elink_cl45_write(sc, phy, 11418 MDIO_PMA_DEVAD, 11419 MDIO_PMA_REG_8481_SIGNAL_MASK, 11420 0x20); 11421 } 11422 } 11423 break; 11424 11425 case ELINK_LED_MODE_OPER: 11426 11427 ELINK_DEBUG_P1(sc, "Port 0x%x: LED MODE OPER\n", port); 11428 11429 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) == 11430 SHARED_HW_CFG_LED_EXTPHY1) { 11431 11432 /* Set control reg */ 11433 elink_cl45_read(sc, phy, 11434 MDIO_PMA_DEVAD, 11435 MDIO_PMA_REG_8481_LINK_SIGNAL, 11436 &val); 11437 11438 if (!((val & 11439 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK) 11440 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) { 11441 ELINK_DEBUG_P0(sc, "Setting LINK_SIGNAL\n"); 11442 elink_cl45_write(sc, phy, 11443 MDIO_PMA_DEVAD, 11444 MDIO_PMA_REG_8481_LINK_SIGNAL, 11445 0xa492); 11446 } 11447 11448 /* Set LED masks */ 11449 elink_cl45_write(sc, phy, 11450 MDIO_PMA_DEVAD, 11451 MDIO_PMA_REG_8481_LED1_MASK, 11452 0x10); 11453 11454 elink_cl45_write(sc, phy, 11455 MDIO_PMA_DEVAD, 11456 MDIO_PMA_REG_8481_LED2_MASK, 11457 0x80); 11458 11459 elink_cl45_write(sc, phy, 11460 MDIO_PMA_DEVAD, 11461 MDIO_PMA_REG_8481_LED3_MASK, 11462 0x98); 11463 11464 elink_cl45_write(sc, phy, 11465 MDIO_PMA_DEVAD, 11466 MDIO_PMA_REG_8481_LED5_MASK, 11467 0x40); 11468 11469 } else { 11470 /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED 11471 * sources are all wired through LED1, rather than only 11472 * 10G in other modes. 11473 */ 11474 val = ((params->hw_led_mode << 11475 SHARED_HW_CFG_LED_MODE_SHIFT) == 11476 SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80; 11477 11478 elink_cl45_write(sc, phy, 11479 MDIO_PMA_DEVAD, 11480 MDIO_PMA_REG_8481_LED1_MASK, 11481 val); 11482 11483 /* Tell LED3 to blink on source */ 11484 elink_cl45_read(sc, phy, 11485 MDIO_PMA_DEVAD, 11486 MDIO_PMA_REG_8481_LINK_SIGNAL, 11487 &val); 11488 val &= ~(7<<6); 11489 val |= (1<<6); /* A83B[8:6]= 1 */ 11490 elink_cl45_write(sc, phy, 11491 MDIO_PMA_DEVAD, 11492 MDIO_PMA_REG_8481_LINK_SIGNAL, 11493 val); 11494 if (phy->type == 11495 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) { 11496 /* Restore LED4 source to external link, 11497 * and re-enable interrupts. 11498 */ 11499 elink_cl45_write(sc, phy, 11500 MDIO_PMA_DEVAD, 11501 MDIO_PMA_REG_8481_SIGNAL_MASK, 11502 0x40); 11503 if (params->link_flags & 11504 ELINK_LINK_FLAGS_INT_DISABLED) { 11505 elink_link_int_enable(params); 11506 params->link_flags &= 11507 ~ELINK_LINK_FLAGS_INT_DISABLED; 11508 } 11509 } 11510 } 11511 break; 11512 } 11513 11514 /* This is a workaround for E3+84833 until autoneg 11515 * restart is fixed in f/w 11516 */ 11517 if (CHIP_IS_E3(sc)) { 11518 elink_cl45_read(sc, phy, MDIO_WC_DEVAD, 11519 MDIO_WC_REG_GP2_STATUS_GP_2_1, &val); 11520 } 11521} 11522 11523/******************************************************************/ 11524/* 54618SE PHY SECTION */ 11525/******************************************************************/ 11526static void elink_54618se_specific_func(struct elink_phy *phy, 11527 struct elink_params *params, 11528 uint32_t action) 11529{ 11530 struct bxe_softc *sc = params->sc; 11531 uint16_t temp; 11532 switch (action) { 11533 case ELINK_PHY_INIT: 11534 /* Configure LED4: set to INTR (0x6). */ 11535 /* Accessing shadow register 0xe. */ 11536 elink_cl22_write(sc, phy, 11537 MDIO_REG_GPHY_SHADOW, 11538 MDIO_REG_GPHY_SHADOW_LED_SEL2); 11539 elink_cl22_read(sc, phy, 11540 MDIO_REG_GPHY_SHADOW, 11541 &temp); 11542 temp &= ~(0xf << 4); 11543 temp |= (0x6 << 4); 11544 elink_cl22_write(sc, phy, 11545 MDIO_REG_GPHY_SHADOW, 11546 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 11547 /* Configure INTR based on link status change. */ 11548 elink_cl22_write(sc, phy, 11549 MDIO_REG_INTR_MASK, 11550 ~MDIO_REG_INTR_MASK_LINK_STATUS); 11551 break; 11552 } 11553} 11554 11555static elink_status_t elink_54618se_config_init(struct elink_phy *phy, 11556 struct elink_params *params, 11557 struct elink_vars *vars) 11558{ 11559 struct bxe_softc *sc = params->sc; 11560 uint8_t port; 11561 uint16_t autoneg_val, an_1000_val, an_10_100_val, fc_val, temp; 11562 uint32_t cfg_pin; 11563 11564 ELINK_DEBUG_P0(sc, "54618SE cfg init\n"); 11565 DELAY(1000 * 1); 11566 11567 /* This works with E3 only, no need to check the chip 11568 * before determining the port. 11569 */ 11570 port = params->port; 11571 11572 cfg_pin = (REG_RD(sc, params->shmem_base + 11573 offsetof(struct shmem_region, 11574 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 11575 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 11576 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 11577 11578 /* Drive pin high to bring the GPHY out of reset. */ 11579 elink_set_cfg_pin(sc, cfg_pin, 1); 11580 11581 /* wait for GPHY to reset */ 11582 DELAY(1000 * 50); 11583 11584 /* reset phy */ 11585 elink_cl22_write(sc, phy, 11586 MDIO_PMA_REG_CTRL, 0x8000); 11587 elink_wait_reset_complete(sc, phy, params); 11588 11589 /* Wait for GPHY to reset */ 11590 DELAY(1000 * 50); 11591 11592 11593 elink_54618se_specific_func(phy, params, ELINK_PHY_INIT); 11594 /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */ 11595 elink_cl22_write(sc, phy, 11596 MDIO_REG_GPHY_SHADOW, 11597 MDIO_REG_GPHY_SHADOW_AUTO_DET_MED); 11598 elink_cl22_read(sc, phy, 11599 MDIO_REG_GPHY_SHADOW, 11600 &temp); 11601 temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD; 11602 elink_cl22_write(sc, phy, 11603 MDIO_REG_GPHY_SHADOW, 11604 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 11605 11606 /* Set up fc */ 11607 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */ 11608 elink_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc); 11609 fc_val = 0; 11610 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) == 11611 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) 11612 fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC; 11613 11614 if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) == 11615 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) 11616 fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE; 11617 11618 /* Read all advertisement */ 11619 elink_cl22_read(sc, phy, 11620 0x09, 11621 &an_1000_val); 11622 11623 elink_cl22_read(sc, phy, 11624 0x04, 11625 &an_10_100_val); 11626 11627 elink_cl22_read(sc, phy, 11628 MDIO_PMA_REG_CTRL, 11629 &autoneg_val); 11630 11631 /* Disable forced speed */ 11632 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13)); 11633 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) | 11634 (1<<11)); 11635 11636 if (((phy->req_line_speed == ELINK_SPEED_AUTO_NEG) && 11637 (phy->speed_cap_mask & 11638 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || 11639 (phy->req_line_speed == ELINK_SPEED_1000)) { 11640 an_1000_val |= (1<<8); 11641 autoneg_val |= (1<<9 | 1<<12); 11642 if (phy->req_duplex == DUPLEX_FULL) 11643 an_1000_val |= (1<<9); 11644 ELINK_DEBUG_P0(sc, "Advertising 1G\n"); 11645 } else 11646 an_1000_val &= ~((1<<8) | (1<<9)); 11647 11648 elink_cl22_write(sc, phy, 11649 0x09, 11650 an_1000_val); 11651 elink_cl22_read(sc, phy, 11652 0x09, 11653 &an_1000_val); 11654 11655 /* Advertise 10/100 link speed */ 11656 if (phy->req_line_speed == ELINK_SPEED_AUTO_NEG) { 11657 if (phy->speed_cap_mask & 11658 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) { 11659 an_10_100_val |= (1<<5); 11660 autoneg_val |= (1<<9 | 1<<12); 11661 ELINK_DEBUG_P0(sc, "Advertising 10M-HD\n"); 11662 } 11663 if (phy->speed_cap_mask & 11664 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) { 11665 an_10_100_val |= (1<<6); 11666 autoneg_val |= (1<<9 | 1<<12); 11667 ELINK_DEBUG_P0(sc, "Advertising 10M-FD\n"); 11668 } 11669 if (phy->speed_cap_mask & 11670 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { 11671 an_10_100_val |= (1<<7); 11672 autoneg_val |= (1<<9 | 1<<12); 11673 ELINK_DEBUG_P0(sc, "Advertising 100M-HD\n"); 11674 } 11675 if (phy->speed_cap_mask & 11676 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { 11677 an_10_100_val |= (1<<8); 11678 autoneg_val |= (1<<9 | 1<<12); 11679 ELINK_DEBUG_P0(sc, "Advertising 100M-FD\n"); 11680 } 11681 } 11682 11683 /* Only 10/100 are allowed to work in FORCE mode */ 11684 if (phy->req_line_speed == ELINK_SPEED_100) { 11685 autoneg_val |= (1<<13); 11686 /* Enabled AUTO-MDIX when autoneg is disabled */ 11687 elink_cl22_write(sc, phy, 11688 0x18, 11689 (1<<15 | 1<<9 | 7<<0)); 11690 ELINK_DEBUG_P0(sc, "Setting 100M force\n"); 11691 } 11692 if (phy->req_line_speed == ELINK_SPEED_10) { 11693 /* Enabled AUTO-MDIX when autoneg is disabled */ 11694 elink_cl22_write(sc, phy, 11695 0x18, 11696 (1<<15 | 1<<9 | 7<<0)); 11697 ELINK_DEBUG_P0(sc, "Setting 10M force\n"); 11698 } 11699 11700 if ((phy->flags & ELINK_FLAGS_EEE) && elink_eee_has_cap(params)) { 11701 elink_status_t rc; 11702 11703 elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS, 11704 MDIO_REG_GPHY_EXP_ACCESS_TOP | 11705 MDIO_REG_GPHY_EXP_TOP_2K_BUF); 11706 elink_cl22_read(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp); 11707 temp &= 0xfffe; 11708 elink_cl22_write(sc, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp); 11709 11710 rc = elink_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV); 11711 if (rc != ELINK_STATUS_OK) { 11712 ELINK_DEBUG_P0(sc, "Failed to configure EEE timers\n"); 11713 elink_eee_disable(phy, params, vars); 11714 } else if ((params->eee_mode & ELINK_EEE_MODE_ADV_LPI) && 11715 (phy->req_duplex == DUPLEX_FULL) && 11716 (elink_eee_calc_timer(params) || 11717 !(params->eee_mode & ELINK_EEE_MODE_ENABLE_LPI))) { 11718 /* Need to advertise EEE only when requested, 11719 * and either no LPI assertion was requested, 11720 * or it was requested and a valid timer was set. 11721 * Also notice full duplex is required for EEE. 11722 */ 11723 elink_eee_advertise(phy, params, vars, 11724 SHMEM_EEE_1G_ADV); 11725 } else { 11726 ELINK_DEBUG_P0(sc, "Don't Advertise 1GBase-T EEE\n"); 11727 elink_eee_disable(phy, params, vars); 11728 } 11729 } else { 11730 vars->eee_status &= ~SHMEM_EEE_1G_ADV << 11731 SHMEM_EEE_SUPPORTED_SHIFT; 11732 11733 if (phy->flags & ELINK_FLAGS_EEE) { 11734 /* Handle legacy auto-grEEEn */ 11735 if (params->feature_config_flags & 11736 ELINK_FEATURE_CONFIG_AUTOGREEEN_ENABLED) { 11737 temp = 6; 11738 ELINK_DEBUG_P0(sc, "Enabling Auto-GrEEEn\n"); 11739 } else { 11740 temp = 0; 11741 ELINK_DEBUG_P0(sc, "Don't Adv. EEE\n"); 11742 } 11743 elink_cl45_write(sc, phy, MDIO_AN_DEVAD, 11744 MDIO_AN_REG_EEE_ADV, temp); 11745 } 11746 } 11747 11748 elink_cl22_write(sc, phy, 11749 0x04, 11750 an_10_100_val | fc_val); 11751 11752 if (phy->req_duplex == DUPLEX_FULL) 11753 autoneg_val |= (1<<8); 11754 11755 elink_cl22_write(sc, phy, 11756 MDIO_PMA_REG_CTRL, autoneg_val); 11757 11758 return ELINK_STATUS_OK; 11759} 11760 11761 11762static void elink_5461x_set_link_led(struct elink_phy *phy, 11763 struct elink_params *params, uint8_t mode) 11764{ 11765 struct bxe_softc *sc = params->sc; 11766 uint16_t temp; 11767 11768 elink_cl22_write(sc, phy, 11769 MDIO_REG_GPHY_SHADOW, 11770 MDIO_REG_GPHY_SHADOW_LED_SEL1); 11771 elink_cl22_read(sc, phy, 11772 MDIO_REG_GPHY_SHADOW, 11773 &temp); 11774 temp &= 0xff00; 11775 11776 ELINK_DEBUG_P1(sc, "54618x set link led (mode=%x)\n", mode); 11777 switch (mode) { 11778 case ELINK_LED_MODE_FRONT_PANEL_OFF: 11779 case ELINK_LED_MODE_OFF: 11780 temp |= 0x00ee; 11781 break; 11782 case ELINK_LED_MODE_OPER: 11783 temp |= 0x0001; 11784 break; 11785 case ELINK_LED_MODE_ON: 11786 temp |= 0x00ff; 11787 break; 11788 default: 11789 break; 11790 } 11791 elink_cl22_write(sc, phy, 11792 MDIO_REG_GPHY_SHADOW, 11793 MDIO_REG_GPHY_SHADOW_WR_ENA | temp); 11794 return; 11795} 11796 11797 11798static void elink_54618se_link_reset(struct elink_phy *phy, 11799 struct elink_params *params) 11800{ 11801 struct bxe_softc *sc = params->sc; 11802 uint32_t cfg_pin; 11803 uint8_t port; 11804 11805 /* In case of no EPIO routed to reset the GPHY, put it 11806 * in low power mode. 11807 */ 11808 elink_cl22_write(sc, phy, MDIO_PMA_REG_CTRL, 0x800); 11809 /* This works with E3 only, no need to check the chip 11810 * before determining the port. 11811 */ 11812 port = params->port; 11813 cfg_pin = (REG_RD(sc, params->shmem_base + 11814 offsetof(struct shmem_region, 11815 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 11816 PORT_HW_CFG_E3_PHY_RESET_MASK) >> 11817 PORT_HW_CFG_E3_PHY_RESET_SHIFT; 11818 11819 /* Drive pin low to put GPHY in reset. */ 11820 elink_set_cfg_pin(sc, cfg_pin, 0); 11821} 11822 11823static uint8_t elink_54618se_read_status(struct elink_phy *phy, 11824 struct elink_params *params, 11825 struct elink_vars *vars) 11826{ 11827 struct bxe_softc *sc = params->sc; 11828 uint16_t val; 11829 uint8_t link_up = 0; 11830 uint16_t legacy_status, legacy_speed; 11831 11832 /* Get speed operation status */ 11833 elink_cl22_read(sc, phy, 11834 MDIO_REG_GPHY_AUX_STATUS, 11835 &legacy_status); 11836 ELINK_DEBUG_P1(sc, "54618SE read_status: 0x%x\n", legacy_status); 11837 11838 /* Read status to clear the PHY interrupt. */ 11839 elink_cl22_read(sc, phy, 11840 MDIO_REG_INTR_STATUS, 11841 &val); 11842 11843 link_up = ((legacy_status & (1<<2)) == (1<<2)); 11844 11845 if (link_up) { 11846 legacy_speed = (legacy_status & (7<<8)); 11847 if (legacy_speed == (7<<8)) { 11848 vars->line_speed = ELINK_SPEED_1000; 11849 vars->duplex = DUPLEX_FULL; 11850 } else if (legacy_speed == (6<<8)) { 11851 vars->line_speed = ELINK_SPEED_1000; 11852 vars->duplex = DUPLEX_HALF; 11853 } else if (legacy_speed == (5<<8)) { 11854 vars->line_speed = ELINK_SPEED_100; 11855 vars->duplex = DUPLEX_FULL; 11856 } 11857 /* Omitting 100Base-T4 for now */ 11858 else if (legacy_speed == (3<<8)) { 11859 vars->line_speed = ELINK_SPEED_100; 11860 vars->duplex = DUPLEX_HALF; 11861 } else if (legacy_speed == (2<<8)) { 11862 vars->line_speed = ELINK_SPEED_10; 11863 vars->duplex = DUPLEX_FULL; 11864 } else if (legacy_speed == (1<<8)) { 11865 vars->line_speed = ELINK_SPEED_10; 11866 vars->duplex = DUPLEX_HALF; 11867 } else /* Should not happen */ 11868 vars->line_speed = 0; 11869 11870 ELINK_DEBUG_P2(sc, 11871 "Link is up in %dMbps, is_duplex_full= %d\n", 11872 vars->line_speed, 11873 (vars->duplex == DUPLEX_FULL)); 11874 11875 /* Check legacy speed AN resolution */ 11876 elink_cl22_read(sc, phy, 11877 0x01, 11878 &val); 11879 if (val & (1<<5)) 11880 vars->link_status |= 11881 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE; 11882 elink_cl22_read(sc, phy, 11883 0x06, 11884 &val); 11885 if ((val & (1<<0)) == 0) 11886 vars->link_status |= 11887 LINK_STATUS_PARALLEL_DETECTION_USED; 11888 11889 ELINK_DEBUG_P1(sc, "BCM54618SE: link speed is %d\n", 11890 vars->line_speed); 11891 11892 elink_ext_phy_resolve_fc(phy, params, vars); 11893 11894 if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) { 11895 /* Report LP advertised speeds */ 11896 elink_cl22_read(sc, phy, 0x5, &val); 11897 11898 if (val & (1<<5)) 11899 vars->link_status |= 11900 LINK_STATUS_LINK_PARTNER_10THD_CAPABLE; 11901 if (val & (1<<6)) 11902 vars->link_status |= 11903 LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE; 11904 if (val & (1<<7)) 11905 vars->link_status |= 11906 LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE; 11907 if (val & (1<<8)) 11908 vars->link_status |= 11909 LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE; 11910 if (val & (1<<9)) 11911 vars->link_status |= 11912 LINK_STATUS_LINK_PARTNER_100T4_CAPABLE; 11913 11914 elink_cl22_read(sc, phy, 0xa, &val); 11915 if (val & (1<<10)) 11916 vars->link_status |= 11917 LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE; 11918 if (val & (1<<11)) 11919 vars->link_status |= 11920 LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE; 11921 11922 if ((phy->flags & ELINK_FLAGS_EEE) && 11923 elink_eee_has_cap(params)) 11924 elink_eee_an_resolve(phy, params, vars); 11925 } 11926 } 11927 return link_up; 11928} 11929 11930static void elink_54618se_config_loopback(struct elink_phy *phy, 11931 struct elink_params *params) 11932{ 11933 struct bxe_softc *sc = params->sc; 11934 uint16_t val; 11935 uint32_t umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0; 11936 11937 ELINK_DEBUG_P0(sc, "2PMA/PMD ext_phy_loopback: 54618se\n"); 11938 11939 /* Enable master/slave manual mmode and set to master */ 11940 /* mii write 9 [bits set 11 12] */ 11941 elink_cl22_write(sc, phy, 0x09, 3<<11); 11942 11943 /* forced 1G and disable autoneg */ 11944 /* set val [mii read 0] */ 11945 /* set val [expr $val & [bits clear 6 12 13]] */ 11946 /* set val [expr $val | [bits set 6 8]] */ 11947 /* mii write 0 $val */ 11948 elink_cl22_read(sc, phy, 0x00, &val); 11949 val &= ~((1<<6) | (1<<12) | (1<<13)); 11950 val |= (1<<6) | (1<<8); 11951 elink_cl22_write(sc, phy, 0x00, val); 11952 11953 /* Set external loopback and Tx using 6dB coding */ 11954 /* mii write 0x18 7 */ 11955 /* set val [mii read 0x18] */ 11956 /* mii write 0x18 [expr $val | [bits set 10 15]] */ 11957 elink_cl22_write(sc, phy, 0x18, 7); 11958 elink_cl22_read(sc, phy, 0x18, &val); 11959 elink_cl22_write(sc, phy, 0x18, val | (1<<10) | (1<<15)); 11960 11961 /* This register opens the gate for the UMAC despite its name */ 11962 REG_WR(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1); 11963 11964 /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame 11965 * length used by the MAC receive logic to check frames. 11966 */ 11967 REG_WR(sc, umac_base + UMAC_REG_MAXFR, 0x2710); 11968} 11969 11970/******************************************************************/ 11971/* SFX7101 PHY SECTION */ 11972/******************************************************************/ 11973static void elink_7101_config_loopback(struct elink_phy *phy, 11974 struct elink_params *params) 11975{ 11976 struct bxe_softc *sc = params->sc; 11977 /* SFX7101_XGXS_TEST1 */ 11978 elink_cl45_write(sc, phy, 11979 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100); 11980} 11981 11982static elink_status_t elink_7101_config_init(struct elink_phy *phy, 11983 struct elink_params *params, 11984 struct elink_vars *vars) 11985{ 11986 uint16_t fw_ver1, fw_ver2, val; 11987 struct bxe_softc *sc = params->sc; 11988 ELINK_DEBUG_P0(sc, "Setting the SFX7101 LASI indication\n"); 11989 11990 /* Restore normal power mode*/ 11991 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 11992 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port); 11993 /* HW reset */ 11994 elink_ext_phy_hw_reset(sc, params->port); 11995 elink_wait_reset_complete(sc, phy, params); 11996 11997 elink_cl45_write(sc, phy, 11998 MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1); 11999 ELINK_DEBUG_P0(sc, "Setting the SFX7101 LED to blink on traffic\n"); 12000 elink_cl45_write(sc, phy, 12001 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3)); 12002 12003 elink_ext_phy_set_pause(params, phy, vars); 12004 /* Restart autoneg */ 12005 elink_cl45_read(sc, phy, 12006 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val); 12007 val |= 0x200; 12008 elink_cl45_write(sc, phy, 12009 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val); 12010 12011 /* Save spirom version */ 12012 elink_cl45_read(sc, phy, 12013 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1); 12014 12015 elink_cl45_read(sc, phy, 12016 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2); 12017 elink_save_spirom_version(sc, params->port, 12018 (uint32_t)(fw_ver1<<16 | fw_ver2), phy->ver_addr); 12019 return ELINK_STATUS_OK; 12020} 12021 12022static uint8_t elink_7101_read_status(struct elink_phy *phy, 12023 struct elink_params *params, 12024 struct elink_vars *vars) 12025{ 12026 struct bxe_softc *sc = params->sc; 12027 uint8_t link_up; 12028 uint16_t val1, val2; 12029 elink_cl45_read(sc, phy, 12030 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2); 12031 elink_cl45_read(sc, phy, 12032 MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1); 12033 ELINK_DEBUG_P2(sc, "10G-base-T LASI status 0x%x->0x%x\n", 12034 val2, val1); 12035 elink_cl45_read(sc, phy, 12036 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2); 12037 elink_cl45_read(sc, phy, 12038 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1); 12039 ELINK_DEBUG_P2(sc, "10G-base-T PMA status 0x%x->0x%x\n", 12040 val2, val1); 12041 link_up = ((val1 & 4) == 4); 12042 /* If link is up print the AN outcome of the SFX7101 PHY */ 12043 if (link_up) { 12044 elink_cl45_read(sc, phy, 12045 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS, 12046 &val2); 12047 vars->line_speed = ELINK_SPEED_10000; 12048 vars->duplex = DUPLEX_FULL; 12049 ELINK_DEBUG_P2(sc, "SFX7101 AN status 0x%x->Master=%x\n", 12050 val2, (val2 & (1<<14))); 12051 elink_ext_phy_10G_an_resolve(sc, phy, vars); 12052 elink_ext_phy_resolve_fc(phy, params, vars); 12053 12054 /* Read LP advertised speeds */ 12055 if (val2 & (1<<11)) 12056 vars->link_status |= 12057 LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE; 12058 } 12059 return link_up; 12060} 12061 12062static elink_status_t elink_7101_format_ver(uint32_t spirom_ver, uint8_t *str, uint16_t *len) 12063{ 12064 if (*len < 5) 12065 return ELINK_STATUS_ERROR; 12066 str[0] = (spirom_ver & 0xFF); 12067 str[1] = (spirom_ver & 0xFF00) >> 8; 12068 str[2] = (spirom_ver & 0xFF0000) >> 16; 12069 str[3] = (spirom_ver & 0xFF000000) >> 24; 12070 str[4] = '\0'; 12071 *len -= 5; 12072 return ELINK_STATUS_OK; 12073} 12074 12075void elink_sfx7101_sp_sw_reset(struct bxe_softc *sc, struct elink_phy *phy) 12076{ 12077 uint16_t val, cnt; 12078 12079 elink_cl45_read(sc, phy, 12080 MDIO_PMA_DEVAD, 12081 MDIO_PMA_REG_7101_RESET, &val); 12082 12083 for (cnt = 0; cnt < 10; cnt++) { 12084 DELAY(1000 * 50); 12085 /* Writes a self-clearing reset */ 12086 elink_cl45_write(sc, phy, 12087 MDIO_PMA_DEVAD, 12088 MDIO_PMA_REG_7101_RESET, 12089 (val | (1<<15))); 12090 /* Wait for clear */ 12091 elink_cl45_read(sc, phy, 12092 MDIO_PMA_DEVAD, 12093 MDIO_PMA_REG_7101_RESET, &val); 12094 12095 if ((val & (1<<15)) == 0) 12096 break; 12097 } 12098} 12099 12100static void elink_7101_hw_reset(struct elink_phy *phy, 12101 struct elink_params *params) { 12102 /* Low power mode is controlled by GPIO 2 */ 12103 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_2, 12104 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 12105 /* The PHY reset is controlled by GPIO 1 */ 12106 elink_cb_gpio_write(params->sc, MISC_REGISTERS_GPIO_1, 12107 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port); 12108} 12109 12110static void elink_7101_set_link_led(struct elink_phy *phy, 12111 struct elink_params *params, uint8_t mode) 12112{ 12113 uint16_t val = 0; 12114 struct bxe_softc *sc = params->sc; 12115 switch (mode) { 12116 case ELINK_LED_MODE_FRONT_PANEL_OFF: 12117 case ELINK_LED_MODE_OFF: 12118 val = 2; 12119 break; 12120 case ELINK_LED_MODE_ON: 12121 val = 1; 12122 break; 12123 case ELINK_LED_MODE_OPER: 12124 val = 0; 12125 break; 12126 } 12127 elink_cl45_write(sc, phy, 12128 MDIO_PMA_DEVAD, 12129 MDIO_PMA_REG_7107_LINK_LED_CNTL, 12130 val); 12131} 12132 12133/******************************************************************/ 12134/* STATIC PHY DECLARATION */ 12135/******************************************************************/ 12136 12137static const struct elink_phy phy_null = { 12138 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN, 12139 .addr = 0, 12140 .def_md_devad = 0, 12141 .flags = ELINK_FLAGS_INIT_XGXS_FIRST, 12142 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12143 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12144 .mdio_ctrl = 0, 12145 .supported = 0, 12146 .media_type = ELINK_ETH_PHY_NOT_PRESENT, 12147 .ver_addr = 0, 12148 .req_flow_ctrl = 0, 12149 .req_line_speed = 0, 12150 .speed_cap_mask = 0, 12151 .req_duplex = 0, 12152 .rsrv = 0, 12153 .config_init = (config_init_t)NULL, 12154 .read_status = (read_status_t)NULL, 12155 .link_reset = (link_reset_t)NULL, 12156 .config_loopback = (config_loopback_t)NULL, 12157 .format_fw_ver = (format_fw_ver_t)NULL, 12158 .hw_reset = (hw_reset_t)NULL, 12159 .set_link_led = (set_link_led_t)NULL, 12160 .phy_specific_func = (phy_specific_func_t)NULL 12161}; 12162 12163static const struct elink_phy phy_serdes = { 12164 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT, 12165 .addr = 0xff, 12166 .def_md_devad = 0, 12167 .flags = 0, 12168 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12169 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12170 .mdio_ctrl = 0, 12171 .supported = (ELINK_SUPPORTED_10baseT_Half | 12172 ELINK_SUPPORTED_10baseT_Full | 12173 ELINK_SUPPORTED_100baseT_Half | 12174 ELINK_SUPPORTED_100baseT_Full | 12175 ELINK_SUPPORTED_1000baseT_Full | 12176 ELINK_SUPPORTED_2500baseX_Full | 12177 ELINK_SUPPORTED_TP | 12178 ELINK_SUPPORTED_Autoneg | 12179 ELINK_SUPPORTED_Pause | 12180 ELINK_SUPPORTED_Asym_Pause), 12181 .media_type = ELINK_ETH_PHY_BASE_T, 12182 .ver_addr = 0, 12183 .req_flow_ctrl = 0, 12184 .req_line_speed = 0, 12185 .speed_cap_mask = 0, 12186 .req_duplex = 0, 12187 .rsrv = 0, 12188 .config_init = (config_init_t)elink_xgxs_config_init, 12189 .read_status = (read_status_t)elink_link_settings_status, 12190 .link_reset = (link_reset_t)elink_int_link_reset, 12191 .config_loopback = (config_loopback_t)NULL, 12192 .format_fw_ver = (format_fw_ver_t)NULL, 12193 .hw_reset = (hw_reset_t)NULL, 12194 .set_link_led = (set_link_led_t)NULL, 12195 .phy_specific_func = (phy_specific_func_t)NULL 12196}; 12197 12198static const struct elink_phy phy_xgxs = { 12199 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 12200 .addr = 0xff, 12201 .def_md_devad = 0, 12202 .flags = 0, 12203 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12204 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12205 .mdio_ctrl = 0, 12206 .supported = (ELINK_SUPPORTED_10baseT_Half | 12207 ELINK_SUPPORTED_10baseT_Full | 12208 ELINK_SUPPORTED_100baseT_Half | 12209 ELINK_SUPPORTED_100baseT_Full | 12210 ELINK_SUPPORTED_1000baseT_Full | 12211 ELINK_SUPPORTED_2500baseX_Full | 12212 ELINK_SUPPORTED_10000baseT_Full | 12213 ELINK_SUPPORTED_FIBRE | 12214 ELINK_SUPPORTED_Autoneg | 12215 ELINK_SUPPORTED_Pause | 12216 ELINK_SUPPORTED_Asym_Pause), 12217 .media_type = ELINK_ETH_PHY_CX4, 12218 .ver_addr = 0, 12219 .req_flow_ctrl = 0, 12220 .req_line_speed = 0, 12221 .speed_cap_mask = 0, 12222 .req_duplex = 0, 12223 .rsrv = 0, 12224 .config_init = (config_init_t)elink_xgxs_config_init, 12225 .read_status = (read_status_t)elink_link_settings_status, 12226 .link_reset = (link_reset_t)elink_int_link_reset, 12227 .config_loopback = (config_loopback_t)elink_set_xgxs_loopback, 12228 .format_fw_ver = (format_fw_ver_t)NULL, 12229 .hw_reset = (hw_reset_t)NULL, 12230 .set_link_led = (set_link_led_t)NULL, 12231 .phy_specific_func = (phy_specific_func_t)elink_xgxs_specific_func 12232}; 12233static const struct elink_phy phy_warpcore = { 12234 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, 12235 .addr = 0xff, 12236 .def_md_devad = 0, 12237 .flags = ELINK_FLAGS_TX_ERROR_CHECK, 12238 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12239 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12240 .mdio_ctrl = 0, 12241 .supported = (ELINK_SUPPORTED_10baseT_Half | 12242 ELINK_SUPPORTED_10baseT_Full | 12243 ELINK_SUPPORTED_100baseT_Half | 12244 ELINK_SUPPORTED_100baseT_Full | 12245 ELINK_SUPPORTED_1000baseT_Full | 12246 ELINK_SUPPORTED_10000baseT_Full | 12247 ELINK_SUPPORTED_20000baseKR2_Full | 12248 ELINK_SUPPORTED_20000baseMLD2_Full | 12249 ELINK_SUPPORTED_FIBRE | 12250 ELINK_SUPPORTED_Autoneg | 12251 ELINK_SUPPORTED_Pause | 12252 ELINK_SUPPORTED_Asym_Pause), 12253 .media_type = ELINK_ETH_PHY_UNSPECIFIED, 12254 .ver_addr = 0, 12255 .req_flow_ctrl = 0, 12256 .req_line_speed = 0, 12257 .speed_cap_mask = 0, 12258 /* req_duplex = */0, 12259 /* rsrv = */0, 12260 .config_init = (config_init_t)elink_warpcore_config_init, 12261 .read_status = (read_status_t)elink_warpcore_read_status, 12262 .link_reset = (link_reset_t)elink_warpcore_link_reset, 12263 .config_loopback = (config_loopback_t)elink_set_warpcore_loopback, 12264 .format_fw_ver = (format_fw_ver_t)NULL, 12265 .hw_reset = (hw_reset_t)elink_warpcore_hw_reset, 12266 .set_link_led = (set_link_led_t)NULL, 12267 .phy_specific_func = (phy_specific_func_t)NULL 12268}; 12269 12270 12271static const struct elink_phy phy_7101 = { 12272 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, 12273 .addr = 0xff, 12274 .def_md_devad = 0, 12275 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ, 12276 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12277 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12278 .mdio_ctrl = 0, 12279 .supported = (ELINK_SUPPORTED_10000baseT_Full | 12280 ELINK_SUPPORTED_TP | 12281 ELINK_SUPPORTED_Autoneg | 12282 ELINK_SUPPORTED_Pause | 12283 ELINK_SUPPORTED_Asym_Pause), 12284 .media_type = ELINK_ETH_PHY_BASE_T, 12285 .ver_addr = 0, 12286 .req_flow_ctrl = 0, 12287 .req_line_speed = 0, 12288 .speed_cap_mask = 0, 12289 .req_duplex = 0, 12290 .rsrv = 0, 12291 .config_init = (config_init_t)elink_7101_config_init, 12292 .read_status = (read_status_t)elink_7101_read_status, 12293 .link_reset = (link_reset_t)elink_common_ext_link_reset, 12294 .config_loopback = (config_loopback_t)elink_7101_config_loopback, 12295 .format_fw_ver = (format_fw_ver_t)elink_7101_format_ver, 12296 .hw_reset = (hw_reset_t)elink_7101_hw_reset, 12297 .set_link_led = (set_link_led_t)elink_7101_set_link_led, 12298 .phy_specific_func = (phy_specific_func_t)NULL 12299}; 12300static const struct elink_phy phy_8073 = { 12301 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073, 12302 .addr = 0xff, 12303 .def_md_devad = 0, 12304 .flags = 0, 12305 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12306 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12307 .mdio_ctrl = 0, 12308 .supported = (ELINK_SUPPORTED_10000baseT_Full | 12309 ELINK_SUPPORTED_2500baseX_Full | 12310 ELINK_SUPPORTED_1000baseT_Full | 12311 ELINK_SUPPORTED_FIBRE | 12312 ELINK_SUPPORTED_Autoneg | 12313 ELINK_SUPPORTED_Pause | 12314 ELINK_SUPPORTED_Asym_Pause), 12315 .media_type = ELINK_ETH_PHY_KR, 12316 .ver_addr = 0, 12317 .req_flow_ctrl = 0, 12318 .req_line_speed = 0, 12319 .speed_cap_mask = 0, 12320 .req_duplex = 0, 12321 .rsrv = 0, 12322 .config_init = (config_init_t)elink_8073_config_init, 12323 .read_status = (read_status_t)elink_8073_read_status, 12324 .link_reset = (link_reset_t)elink_8073_link_reset, 12325 .config_loopback = (config_loopback_t)NULL, 12326 .format_fw_ver = (format_fw_ver_t)elink_format_ver, 12327 .hw_reset = (hw_reset_t)NULL, 12328 .set_link_led = (set_link_led_t)NULL, 12329 .phy_specific_func = (phy_specific_func_t)elink_8073_specific_func 12330}; 12331static const struct elink_phy phy_8705 = { 12332 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705, 12333 .addr = 0xff, 12334 .def_md_devad = 0, 12335 .flags = ELINK_FLAGS_INIT_XGXS_FIRST, 12336 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12337 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12338 .mdio_ctrl = 0, 12339 .supported = (ELINK_SUPPORTED_10000baseT_Full | 12340 ELINK_SUPPORTED_FIBRE | 12341 ELINK_SUPPORTED_Pause | 12342 ELINK_SUPPORTED_Asym_Pause), 12343 .media_type = ELINK_ETH_PHY_XFP_FIBER, 12344 .ver_addr = 0, 12345 .req_flow_ctrl = 0, 12346 .req_line_speed = 0, 12347 .speed_cap_mask = 0, 12348 .req_duplex = 0, 12349 .rsrv = 0, 12350 .config_init = (config_init_t)elink_8705_config_init, 12351 .read_status = (read_status_t)elink_8705_read_status, 12352 .link_reset = (link_reset_t)elink_common_ext_link_reset, 12353 .config_loopback = (config_loopback_t)NULL, 12354 .format_fw_ver = (format_fw_ver_t)elink_null_format_ver, 12355 .hw_reset = (hw_reset_t)NULL, 12356 .set_link_led = (set_link_led_t)NULL, 12357 .phy_specific_func = (phy_specific_func_t)NULL 12358}; 12359static const struct elink_phy phy_8706 = { 12360 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, 12361 .addr = 0xff, 12362 .def_md_devad = 0, 12363 .flags = ELINK_FLAGS_INIT_XGXS_FIRST, 12364 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12365 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12366 .mdio_ctrl = 0, 12367 .supported = (ELINK_SUPPORTED_10000baseT_Full | 12368 ELINK_SUPPORTED_1000baseT_Full | 12369 ELINK_SUPPORTED_FIBRE | 12370 ELINK_SUPPORTED_Pause | 12371 ELINK_SUPPORTED_Asym_Pause), 12372 .media_type = ELINK_ETH_PHY_SFPP_10G_FIBER, 12373 .ver_addr = 0, 12374 .req_flow_ctrl = 0, 12375 .req_line_speed = 0, 12376 .speed_cap_mask = 0, 12377 .req_duplex = 0, 12378 .rsrv = 0, 12379 .config_init = (config_init_t)elink_8706_config_init, 12380 .read_status = (read_status_t)elink_8706_read_status, 12381 .link_reset = (link_reset_t)elink_common_ext_link_reset, 12382 .config_loopback = (config_loopback_t)NULL, 12383 .format_fw_ver = (format_fw_ver_t)elink_format_ver, 12384 .hw_reset = (hw_reset_t)NULL, 12385 .set_link_led = (set_link_led_t)NULL, 12386 .phy_specific_func = (phy_specific_func_t)NULL 12387}; 12388 12389static const struct elink_phy phy_8726 = { 12390 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, 12391 .addr = 0xff, 12392 .def_md_devad = 0, 12393 .flags = (ELINK_FLAGS_INIT_XGXS_FIRST | 12394 ELINK_FLAGS_TX_ERROR_CHECK), 12395 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12396 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12397 .mdio_ctrl = 0, 12398 .supported = (ELINK_SUPPORTED_10000baseT_Full | 12399 ELINK_SUPPORTED_1000baseT_Full | 12400 ELINK_SUPPORTED_Autoneg | 12401 ELINK_SUPPORTED_FIBRE | 12402 ELINK_SUPPORTED_Pause | 12403 ELINK_SUPPORTED_Asym_Pause), 12404 .media_type = ELINK_ETH_PHY_NOT_PRESENT, 12405 .ver_addr = 0, 12406 .req_flow_ctrl = 0, 12407 .req_line_speed = 0, 12408 .speed_cap_mask = 0, 12409 .req_duplex = 0, 12410 .rsrv = 0, 12411 .config_init = (config_init_t)elink_8726_config_init, 12412 .read_status = (read_status_t)elink_8726_read_status, 12413 .link_reset = (link_reset_t)elink_8726_link_reset, 12414 .config_loopback = (config_loopback_t)elink_8726_config_loopback, 12415 .format_fw_ver = (format_fw_ver_t)elink_format_ver, 12416 .hw_reset = (hw_reset_t)NULL, 12417 .set_link_led = (set_link_led_t)NULL, 12418 .phy_specific_func = (phy_specific_func_t)NULL 12419}; 12420 12421static const struct elink_phy phy_8727 = { 12422 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, 12423 .addr = 0xff, 12424 .def_md_devad = 0, 12425 .flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ | 12426 ELINK_FLAGS_TX_ERROR_CHECK), 12427 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12428 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12429 .mdio_ctrl = 0, 12430 .supported = (ELINK_SUPPORTED_10000baseT_Full | 12431 ELINK_SUPPORTED_1000baseT_Full | 12432 ELINK_SUPPORTED_FIBRE | 12433 ELINK_SUPPORTED_Pause | 12434 ELINK_SUPPORTED_Asym_Pause), 12435 .media_type = ELINK_ETH_PHY_NOT_PRESENT, 12436 .ver_addr = 0, 12437 .req_flow_ctrl = 0, 12438 .req_line_speed = 0, 12439 .speed_cap_mask = 0, 12440 .req_duplex = 0, 12441 .rsrv = 0, 12442 .config_init = (config_init_t)elink_8727_config_init, 12443 .read_status = (read_status_t)elink_8727_read_status, 12444 .link_reset = (link_reset_t)elink_8727_link_reset, 12445 .config_loopback = (config_loopback_t)NULL, 12446 .format_fw_ver = (format_fw_ver_t)elink_format_ver, 12447 .hw_reset = (hw_reset_t)elink_8727_hw_reset, 12448 .set_link_led = (set_link_led_t)elink_8727_set_link_led, 12449 .phy_specific_func = (phy_specific_func_t)elink_8727_specific_func 12450}; 12451static const struct elink_phy phy_8481 = { 12452 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481, 12453 .addr = 0xff, 12454 .def_md_devad = 0, 12455 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ | 12456 ELINK_FLAGS_REARM_LATCH_SIGNAL, 12457 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12458 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12459 .mdio_ctrl = 0, 12460 .supported = (ELINK_SUPPORTED_10baseT_Half | 12461 ELINK_SUPPORTED_10baseT_Full | 12462 ELINK_SUPPORTED_100baseT_Half | 12463 ELINK_SUPPORTED_100baseT_Full | 12464 ELINK_SUPPORTED_1000baseT_Full | 12465 ELINK_SUPPORTED_10000baseT_Full | 12466 ELINK_SUPPORTED_TP | 12467 ELINK_SUPPORTED_Autoneg | 12468 ELINK_SUPPORTED_Pause | 12469 ELINK_SUPPORTED_Asym_Pause), 12470 .media_type = ELINK_ETH_PHY_BASE_T, 12471 .ver_addr = 0, 12472 .req_flow_ctrl = 0, 12473 .req_line_speed = 0, 12474 .speed_cap_mask = 0, 12475 .req_duplex = 0, 12476 .rsrv = 0, 12477 .config_init = (config_init_t)elink_8481_config_init, 12478 .read_status = (read_status_t)elink_848xx_read_status, 12479 .link_reset = (link_reset_t)elink_8481_link_reset, 12480 .config_loopback = (config_loopback_t)NULL, 12481 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver, 12482 .hw_reset = (hw_reset_t)elink_8481_hw_reset, 12483 .set_link_led = (set_link_led_t)elink_848xx_set_link_led, 12484 .phy_specific_func = (phy_specific_func_t)NULL 12485}; 12486 12487static const struct elink_phy phy_84823 = { 12488 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823, 12489 .addr = 0xff, 12490 .def_md_devad = 0, 12491 .flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ | 12492 ELINK_FLAGS_REARM_LATCH_SIGNAL | 12493 ELINK_FLAGS_TX_ERROR_CHECK), 12494 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12495 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12496 .mdio_ctrl = 0, 12497 .supported = (ELINK_SUPPORTED_10baseT_Half | 12498 ELINK_SUPPORTED_10baseT_Full | 12499 ELINK_SUPPORTED_100baseT_Half | 12500 ELINK_SUPPORTED_100baseT_Full | 12501 ELINK_SUPPORTED_1000baseT_Full | 12502 ELINK_SUPPORTED_10000baseT_Full | 12503 ELINK_SUPPORTED_TP | 12504 ELINK_SUPPORTED_Autoneg | 12505 ELINK_SUPPORTED_Pause | 12506 ELINK_SUPPORTED_Asym_Pause), 12507 .media_type = ELINK_ETH_PHY_BASE_T, 12508 .ver_addr = 0, 12509 .req_flow_ctrl = 0, 12510 .req_line_speed = 0, 12511 .speed_cap_mask = 0, 12512 .req_duplex = 0, 12513 .rsrv = 0, 12514 .config_init = (config_init_t)elink_848x3_config_init, 12515 .read_status = (read_status_t)elink_848xx_read_status, 12516 .link_reset = (link_reset_t)elink_848x3_link_reset, 12517 .config_loopback = (config_loopback_t)NULL, 12518 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver, 12519 .hw_reset = (hw_reset_t)NULL, 12520 .set_link_led = (set_link_led_t)elink_848xx_set_link_led, 12521 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func 12522}; 12523 12524static const struct elink_phy phy_84833 = { 12525 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833, 12526 .addr = 0xff, 12527 .def_md_devad = 0, 12528 .flags = (ELINK_FLAGS_FAN_FAILURE_DET_REQ | 12529 ELINK_FLAGS_REARM_LATCH_SIGNAL | 12530 ELINK_FLAGS_TX_ERROR_CHECK | 12531 ELINK_FLAGS_TEMPERATURE), 12532 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12533 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12534 .mdio_ctrl = 0, 12535 .supported = (ELINK_SUPPORTED_100baseT_Half | 12536 ELINK_SUPPORTED_100baseT_Full | 12537 ELINK_SUPPORTED_1000baseT_Full | 12538 ELINK_SUPPORTED_10000baseT_Full | 12539 ELINK_SUPPORTED_TP | 12540 ELINK_SUPPORTED_Autoneg | 12541 ELINK_SUPPORTED_Pause | 12542 ELINK_SUPPORTED_Asym_Pause), 12543 .media_type = ELINK_ETH_PHY_BASE_T, 12544 .ver_addr = 0, 12545 .req_flow_ctrl = 0, 12546 .req_line_speed = 0, 12547 .speed_cap_mask = 0, 12548 .req_duplex = 0, 12549 .rsrv = 0, 12550 .config_init = (config_init_t)elink_848x3_config_init, 12551 .read_status = (read_status_t)elink_848xx_read_status, 12552 .link_reset = (link_reset_t)elink_848x3_link_reset, 12553 .config_loopback = (config_loopback_t)NULL, 12554 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver, 12555 .hw_reset = (hw_reset_t)elink_84833_hw_reset_phy, 12556 .set_link_led = (set_link_led_t)elink_848xx_set_link_led, 12557 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func 12558}; 12559 12560static const struct elink_phy phy_84834 = { 12561 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834, 12562 .addr = 0xff, 12563 .def_md_devad = 0, 12564 .flags = ELINK_FLAGS_FAN_FAILURE_DET_REQ | 12565 ELINK_FLAGS_REARM_LATCH_SIGNAL, 12566 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12567 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12568 .mdio_ctrl = 0, 12569 .supported = (ELINK_SUPPORTED_100baseT_Half | 12570 ELINK_SUPPORTED_100baseT_Full | 12571 ELINK_SUPPORTED_1000baseT_Full | 12572 ELINK_SUPPORTED_10000baseT_Full | 12573 ELINK_SUPPORTED_TP | 12574 ELINK_SUPPORTED_Autoneg | 12575 ELINK_SUPPORTED_Pause | 12576 ELINK_SUPPORTED_Asym_Pause), 12577 .media_type = ELINK_ETH_PHY_BASE_T, 12578 .ver_addr = 0, 12579 .req_flow_ctrl = 0, 12580 .req_line_speed = 0, 12581 .speed_cap_mask = 0, 12582 .req_duplex = 0, 12583 .rsrv = 0, 12584 .config_init = (config_init_t)elink_848x3_config_init, 12585 .read_status = (read_status_t)elink_848xx_read_status, 12586 .link_reset = (link_reset_t)elink_848x3_link_reset, 12587 .config_loopback = (config_loopback_t)NULL, 12588 .format_fw_ver = (format_fw_ver_t)elink_848xx_format_ver, 12589 .hw_reset = (hw_reset_t)elink_84833_hw_reset_phy, 12590 .set_link_led = (set_link_led_t)elink_848xx_set_link_led, 12591 .phy_specific_func = (phy_specific_func_t)elink_848xx_specific_func 12592}; 12593 12594static const struct elink_phy phy_54618se = { 12595 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE, 12596 .addr = 0xff, 12597 .def_md_devad = 0, 12598 .flags = ELINK_FLAGS_INIT_XGXS_FIRST, 12599 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12600 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, 12601 .mdio_ctrl = 0, 12602 .supported = (ELINK_SUPPORTED_10baseT_Half | 12603 ELINK_SUPPORTED_10baseT_Full | 12604 ELINK_SUPPORTED_100baseT_Half | 12605 ELINK_SUPPORTED_100baseT_Full | 12606 ELINK_SUPPORTED_1000baseT_Full | 12607 ELINK_SUPPORTED_TP | 12608 ELINK_SUPPORTED_Autoneg | 12609 ELINK_SUPPORTED_Pause | 12610 ELINK_SUPPORTED_Asym_Pause), 12611 .media_type = ELINK_ETH_PHY_BASE_T, 12612 .ver_addr = 0, 12613 .req_flow_ctrl = 0, 12614 .req_line_speed = 0, 12615 .speed_cap_mask = 0, 12616 /* req_duplex = */0, 12617 /* rsrv = */0, 12618 .config_init = (config_init_t)elink_54618se_config_init, 12619 .read_status = (read_status_t)elink_54618se_read_status, 12620 .link_reset = (link_reset_t)elink_54618se_link_reset, 12621 .config_loopback = (config_loopback_t)elink_54618se_config_loopback, 12622 .format_fw_ver = (format_fw_ver_t)NULL, 12623 .hw_reset = (hw_reset_t)NULL, 12624 .set_link_led = (set_link_led_t)elink_5461x_set_link_led, 12625 .phy_specific_func = (phy_specific_func_t)elink_54618se_specific_func 12626}; 12627/*****************************************************************/ 12628/* */ 12629/* Populate the phy according. Main function: elink_populate_phy */ 12630/* */ 12631/*****************************************************************/ 12632 12633static void elink_populate_preemphasis(struct bxe_softc *sc, uint32_t shmem_base, 12634 struct elink_phy *phy, uint8_t port, 12635 uint8_t phy_index) 12636{ 12637 /* Get the 4 lanes xgxs config rx and tx */ 12638 uint32_t rx = 0, tx = 0, i; 12639 for (i = 0; i < 2; i++) { 12640 /* INT_PHY and ELINK_EXT_PHY1 share the same value location in 12641 * the shmem. When num_phys is greater than 1, than this value 12642 * applies only to ELINK_EXT_PHY1 12643 */ 12644 if (phy_index == ELINK_INT_PHY || phy_index == ELINK_EXT_PHY1) { 12645 rx = REG_RD(sc, shmem_base + 12646 offsetof(struct shmem_region, 12647 dev_info.port_hw_config[port].xgxs_config_rx[i<<1])); 12648 12649 tx = REG_RD(sc, shmem_base + 12650 offsetof(struct shmem_region, 12651 dev_info.port_hw_config[port].xgxs_config_tx[i<<1])); 12652 } else { 12653 rx = REG_RD(sc, shmem_base + 12654 offsetof(struct shmem_region, 12655 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 12656 12657 tx = REG_RD(sc, shmem_base + 12658 offsetof(struct shmem_region, 12659 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1])); 12660 } 12661 12662 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff); 12663 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff); 12664 12665 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff); 12666 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff); 12667 } 12668} 12669 12670static uint32_t elink_get_ext_phy_config(struct bxe_softc *sc, uint32_t shmem_base, 12671 uint8_t phy_index, uint8_t port) 12672{ 12673 uint32_t ext_phy_config = 0; 12674 switch (phy_index) { 12675 case ELINK_EXT_PHY1: 12676 ext_phy_config = REG_RD(sc, shmem_base + 12677 offsetof(struct shmem_region, 12678 dev_info.port_hw_config[port].external_phy_config)); 12679 break; 12680 case ELINK_EXT_PHY2: 12681 ext_phy_config = REG_RD(sc, shmem_base + 12682 offsetof(struct shmem_region, 12683 dev_info.port_hw_config[port].external_phy_config2)); 12684 break; 12685 default: 12686 ELINK_DEBUG_P1(sc, "Invalid phy_index %d\n", phy_index); 12687 return ELINK_STATUS_ERROR; 12688 } 12689 12690 return ext_phy_config; 12691} 12692static elink_status_t elink_populate_int_phy(struct bxe_softc *sc, uint32_t shmem_base, uint8_t port, 12693 struct elink_phy *phy) 12694{ 12695 uint32_t phy_addr; 12696 uint32_t chip_id; 12697 uint32_t switch_cfg = (REG_RD(sc, shmem_base + 12698 offsetof(struct shmem_region, 12699 dev_info.port_feature_config[port].link_config)) & 12700 PORT_FEATURE_CONNECTED_SWITCH_MASK); 12701 chip_id = (REG_RD(sc, MISC_REG_CHIP_NUM) << 16) | 12702 ((REG_RD(sc, MISC_REG_CHIP_REV) & 0xf) << 12); 12703 12704 ELINK_DEBUG_P1(sc, ":chip_id = 0x%x\n", chip_id); 12705 if (USES_WARPCORE(sc)) { 12706 uint32_t serdes_net_if; 12707 phy_addr = REG_RD(sc, 12708 MISC_REG_WC0_CTRL_PHY_ADDR); 12709 *phy = phy_warpcore; 12710 if (REG_RD(sc, MISC_REG_PORT4MODE_EN_OVWR) == 0x3) 12711 phy->flags |= ELINK_FLAGS_4_PORT_MODE; 12712 else 12713 phy->flags &= ~ELINK_FLAGS_4_PORT_MODE; 12714 /* Check Dual mode */ 12715 serdes_net_if = (REG_RD(sc, shmem_base + 12716 offsetof(struct shmem_region, dev_info. 12717 port_hw_config[port].default_cfg)) & 12718 PORT_HW_CFG_NET_SERDES_IF_MASK); 12719 /* Set the appropriate supported and flags indications per 12720 * interface type of the chip 12721 */ 12722 switch (serdes_net_if) { 12723 case PORT_HW_CFG_NET_SERDES_IF_SGMII: 12724 phy->supported &= (ELINK_SUPPORTED_10baseT_Half | 12725 ELINK_SUPPORTED_10baseT_Full | 12726 ELINK_SUPPORTED_100baseT_Half | 12727 ELINK_SUPPORTED_100baseT_Full | 12728 ELINK_SUPPORTED_1000baseT_Full | 12729 ELINK_SUPPORTED_FIBRE | 12730 ELINK_SUPPORTED_Autoneg | 12731 ELINK_SUPPORTED_Pause | 12732 ELINK_SUPPORTED_Asym_Pause); 12733 phy->media_type = ELINK_ETH_PHY_BASE_T; 12734 break; 12735 case PORT_HW_CFG_NET_SERDES_IF_XFI: 12736 phy->supported &= (ELINK_SUPPORTED_1000baseT_Full | 12737 ELINK_SUPPORTED_10000baseT_Full | 12738 ELINK_SUPPORTED_FIBRE | 12739 ELINK_SUPPORTED_Pause | 12740 ELINK_SUPPORTED_Asym_Pause); 12741 phy->media_type = ELINK_ETH_PHY_XFP_FIBER; 12742 break; 12743 case PORT_HW_CFG_NET_SERDES_IF_SFI: 12744 phy->supported &= (ELINK_SUPPORTED_1000baseT_Full | 12745 ELINK_SUPPORTED_10000baseT_Full | 12746 ELINK_SUPPORTED_FIBRE | 12747 ELINK_SUPPORTED_Pause | 12748 ELINK_SUPPORTED_Asym_Pause); 12749 phy->media_type = ELINK_ETH_PHY_SFPP_10G_FIBER; 12750 break; 12751 case PORT_HW_CFG_NET_SERDES_IF_KR: 12752 phy->media_type = ELINK_ETH_PHY_KR; 12753 phy->supported &= (ELINK_SUPPORTED_1000baseT_Full | 12754 ELINK_SUPPORTED_10000baseT_Full | 12755 ELINK_SUPPORTED_FIBRE | 12756 ELINK_SUPPORTED_Autoneg | 12757 ELINK_SUPPORTED_Pause | 12758 ELINK_SUPPORTED_Asym_Pause); 12759 break; 12760 case PORT_HW_CFG_NET_SERDES_IF_DXGXS: 12761 phy->media_type = ELINK_ETH_PHY_KR; 12762 phy->flags |= ELINK_FLAGS_WC_DUAL_MODE; 12763 phy->supported &= (ELINK_SUPPORTED_20000baseMLD2_Full | 12764 ELINK_SUPPORTED_FIBRE | 12765 ELINK_SUPPORTED_Pause | 12766 ELINK_SUPPORTED_Asym_Pause); 12767 break; 12768 case PORT_HW_CFG_NET_SERDES_IF_KR2: 12769 phy->media_type = ELINK_ETH_PHY_KR; 12770 phy->flags |= ELINK_FLAGS_WC_DUAL_MODE; 12771 phy->supported &= (ELINK_SUPPORTED_20000baseKR2_Full | 12772 ELINK_SUPPORTED_10000baseT_Full | 12773 ELINK_SUPPORTED_1000baseT_Full | 12774 ELINK_SUPPORTED_Autoneg | 12775 ELINK_SUPPORTED_FIBRE | 12776 ELINK_SUPPORTED_Pause | 12777 ELINK_SUPPORTED_Asym_Pause); 12778 phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK; 12779 break; 12780 default: 12781 ELINK_DEBUG_P1(sc, "Unknown WC interface type 0x%x\n", 12782 serdes_net_if); 12783 break; 12784 } 12785 12786 /* Enable MDC/MDIO work-around for E3 A0 since free running MDC 12787 * was not set as expected. For B0, ECO will be enabled so there 12788 * won't be an issue there 12789 */ 12790 if (CHIP_REV(sc) == CHIP_REV_Ax) 12791 phy->flags |= ELINK_FLAGS_MDC_MDIO_WA; 12792 else 12793 phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_B0; 12794 } else 12795 { 12796 switch (switch_cfg) { 12797 case ELINK_SWITCH_CFG_1G: 12798 phy_addr = REG_RD(sc, 12799 NIG_REG_SERDES0_CTRL_PHY_ADDR + 12800 port * 0x10); 12801 *phy = phy_serdes; 12802 break; 12803 case ELINK_SWITCH_CFG_10G: 12804 phy_addr = REG_RD(sc, 12805 NIG_REG_XGXS0_CTRL_PHY_ADDR + 12806 port * 0x18); 12807 *phy = phy_xgxs; 12808 break; 12809 default: 12810 ELINK_DEBUG_P0(sc, "Invalid switch_cfg\n"); 12811 return ELINK_STATUS_ERROR; 12812 } 12813 } 12814 phy->addr = (uint8_t)phy_addr; 12815 phy->mdio_ctrl = elink_get_emac_base(sc, 12816 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH, 12817 port); 12818 if (CHIP_IS_E2(sc)) 12819 phy->def_md_devad = ELINK_E2_DEFAULT_PHY_DEV_ADDR; 12820 else 12821 phy->def_md_devad = ELINK_DEFAULT_PHY_DEV_ADDR; 12822 12823 ELINK_DEBUG_P3(sc, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n", 12824 port, phy->addr, phy->mdio_ctrl); 12825 12826 elink_populate_preemphasis(sc, shmem_base, phy, port, ELINK_INT_PHY); 12827 return ELINK_STATUS_OK; 12828} 12829 12830static elink_status_t elink_populate_ext_phy(struct bxe_softc *sc, 12831 uint8_t phy_index, 12832 uint32_t shmem_base, 12833 uint32_t shmem2_base, 12834 uint8_t port, 12835 struct elink_phy *phy) 12836{ 12837 uint32_t ext_phy_config, phy_type, config2; 12838 uint32_t mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH; 12839 ext_phy_config = elink_get_ext_phy_config(sc, shmem_base, 12840 phy_index, port); 12841 phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config); 12842 /* Select the phy type */ 12843 switch (phy_type) { 12844 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 12845 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED; 12846 *phy = phy_8073; 12847 break; 12848 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: 12849 *phy = phy_8705; 12850 break; 12851 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: 12852 *phy = phy_8706; 12853 break; 12854 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 12855 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 12856 *phy = phy_8726; 12857 break; 12858 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 12859 /* BCM8727_NOC => BCM8727 no over current */ 12860 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 12861 *phy = phy_8727; 12862 phy->flags |= ELINK_FLAGS_NOC; 12863 break; 12864 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 12865 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 12866 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1; 12867 *phy = phy_8727; 12868 break; 12869 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481: 12870 *phy = phy_8481; 12871 break; 12872 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823: 12873 *phy = phy_84823; 12874 break; 12875 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 12876 *phy = phy_84833; 12877 break; 12878 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834: 12879 *phy = phy_84834; 12880 break; 12881 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616: 12882 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE: 12883 *phy = phy_54618se; 12884 if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) 12885 phy->flags |= ELINK_FLAGS_EEE; 12886 break; 12887 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: 12888 *phy = phy_7101; 12889 break; 12890 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 12891 *phy = phy_null; 12892 return ELINK_STATUS_ERROR; 12893 default: 12894 *phy = phy_null; 12895 /* In case external PHY wasn't found */ 12896 if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) && 12897 (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) 12898 return ELINK_STATUS_ERROR; 12899 return ELINK_STATUS_OK; 12900 } 12901 12902 phy->addr = ELINK_XGXS_EXT_PHY_ADDR(ext_phy_config); 12903 elink_populate_preemphasis(sc, shmem_base, phy, port, phy_index); 12904 12905 /* The shmem address of the phy version is located on different 12906 * structures. In case this structure is too old, do not set 12907 * the address 12908 */ 12909 config2 = REG_RD(sc, shmem_base + offsetof(struct shmem_region, 12910 dev_info.shared_hw_config.config2)); 12911 if (phy_index == ELINK_EXT_PHY1) { 12912 phy->ver_addr = shmem_base + offsetof(struct shmem_region, 12913 port_mb[port].ext_phy_fw_version); 12914 12915 /* Check specific mdc mdio settings */ 12916 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK) 12917 mdc_mdio_access = config2 & 12918 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK; 12919 } else { 12920 uint32_t size = REG_RD(sc, shmem2_base); 12921 12922 if (size > 12923 offsetof(struct shmem2_region, ext_phy_fw_version2)) { 12924 phy->ver_addr = shmem2_base + 12925 offsetof(struct shmem2_region, 12926 ext_phy_fw_version2[port]); 12927 } 12928 /* Check specific mdc mdio settings */ 12929 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) 12930 mdc_mdio_access = (config2 & 12931 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >> 12932 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT - 12933 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT); 12934 } 12935 phy->mdio_ctrl = elink_get_emac_base(sc, mdc_mdio_access, port); 12936 12937 if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) || 12938 (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) && 12939 (phy->ver_addr)) { 12940 /* Remove 100Mb link supported for BCM84833/4 when phy fw 12941 * version lower than or equal to 1.39 12942 */ 12943 uint32_t raw_ver = REG_RD(sc, phy->ver_addr); 12944 if (((raw_ver & 0x7F) <= 39) && 12945 (((raw_ver & 0xF80) >> 7) <= 1)) 12946 phy->supported &= ~(ELINK_SUPPORTED_100baseT_Half | 12947 ELINK_SUPPORTED_100baseT_Full); 12948 } 12949 12950 ELINK_DEBUG_P3(sc, "phy_type 0x%x port %d found in index %d\n", 12951 phy_type, port, phy_index); 12952 ELINK_DEBUG_P2(sc, " addr=0x%x, mdio_ctl=0x%x\n", 12953 phy->addr, phy->mdio_ctrl); 12954 return ELINK_STATUS_OK; 12955} 12956 12957static elink_status_t elink_populate_phy(struct bxe_softc *sc, uint8_t phy_index, uint32_t shmem_base, 12958 uint32_t shmem2_base, uint8_t port, struct elink_phy *phy) 12959{ 12960 elink_status_t status = ELINK_STATUS_OK; 12961 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN; 12962 if (phy_index == ELINK_INT_PHY) 12963 return elink_populate_int_phy(sc, shmem_base, port, phy); 12964 status = elink_populate_ext_phy(sc, phy_index, shmem_base, shmem2_base, 12965 port, phy); 12966 return status; 12967} 12968 12969static void elink_phy_def_cfg(struct elink_params *params, 12970 struct elink_phy *phy, 12971 uint8_t phy_index) 12972{ 12973 struct bxe_softc *sc = params->sc; 12974 uint32_t link_config; 12975 /* Populate the default phy configuration for MF mode */ 12976 if (phy_index == ELINK_EXT_PHY2) { 12977 link_config = REG_RD(sc, params->shmem_base + 12978 offsetof(struct shmem_region, dev_info. 12979 port_feature_config[params->port].link_config2)); 12980 phy->speed_cap_mask = REG_RD(sc, params->shmem_base + 12981 offsetof(struct shmem_region, 12982 dev_info. 12983 port_hw_config[params->port].speed_capability_mask2)); 12984 } else { 12985 link_config = REG_RD(sc, params->shmem_base + 12986 offsetof(struct shmem_region, dev_info. 12987 port_feature_config[params->port].link_config)); 12988 phy->speed_cap_mask = REG_RD(sc, params->shmem_base + 12989 offsetof(struct shmem_region, 12990 dev_info. 12991 port_hw_config[params->port].speed_capability_mask)); 12992 } 12993 ELINK_DEBUG_P3(sc, 12994 "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n", 12995 phy_index, link_config, phy->speed_cap_mask); 12996 12997 phy->req_duplex = DUPLEX_FULL; 12998 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) { 12999 case PORT_FEATURE_LINK_SPEED_10M_HALF: 13000 phy->req_duplex = DUPLEX_HALF; 13001 case PORT_FEATURE_LINK_SPEED_10M_FULL: 13002 phy->req_line_speed = ELINK_SPEED_10; 13003 break; 13004 case PORT_FEATURE_LINK_SPEED_100M_HALF: 13005 phy->req_duplex = DUPLEX_HALF; 13006 case PORT_FEATURE_LINK_SPEED_100M_FULL: 13007 phy->req_line_speed = ELINK_SPEED_100; 13008 break; 13009 case PORT_FEATURE_LINK_SPEED_1G: 13010 phy->req_line_speed = ELINK_SPEED_1000; 13011 break; 13012 case PORT_FEATURE_LINK_SPEED_2_5G: 13013 phy->req_line_speed = ELINK_SPEED_2500; 13014 break; 13015 case PORT_FEATURE_LINK_SPEED_10G_CX4: 13016 phy->req_line_speed = ELINK_SPEED_10000; 13017 break; 13018 default: 13019 phy->req_line_speed = ELINK_SPEED_AUTO_NEG; 13020 break; 13021 } 13022 13023 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) { 13024 case PORT_FEATURE_FLOW_CONTROL_AUTO: 13025 phy->req_flow_ctrl = ELINK_FLOW_CTRL_AUTO; 13026 break; 13027 case PORT_FEATURE_FLOW_CONTROL_TX: 13028 phy->req_flow_ctrl = ELINK_FLOW_CTRL_TX; 13029 break; 13030 case PORT_FEATURE_FLOW_CONTROL_RX: 13031 phy->req_flow_ctrl = ELINK_FLOW_CTRL_RX; 13032 break; 13033 case PORT_FEATURE_FLOW_CONTROL_BOTH: 13034 phy->req_flow_ctrl = ELINK_FLOW_CTRL_BOTH; 13035 break; 13036 default: 13037 phy->req_flow_ctrl = ELINK_FLOW_CTRL_NONE; 13038 break; 13039 } 13040} 13041 13042uint32_t elink_phy_selection(struct elink_params *params) 13043{ 13044 uint32_t phy_config_swapped, prio_cfg; 13045 uint32_t return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT; 13046 13047 phy_config_swapped = params->multi_phy_config & 13048 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 13049 13050 prio_cfg = params->multi_phy_config & 13051 PORT_HW_CFG_PHY_SELECTION_MASK; 13052 13053 if (phy_config_swapped) { 13054 switch (prio_cfg) { 13055 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY: 13056 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY; 13057 break; 13058 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY: 13059 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY; 13060 break; 13061 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY: 13062 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY; 13063 break; 13064 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY: 13065 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY; 13066 break; 13067 } 13068 } else 13069 return_cfg = prio_cfg; 13070 13071 return return_cfg; 13072} 13073 13074elink_status_t elink_phy_probe(struct elink_params *params) 13075{ 13076 uint8_t phy_index, actual_phy_idx; 13077 uint32_t phy_config_swapped, sync_offset, media_types; 13078 struct bxe_softc *sc = params->sc; 13079 struct elink_phy *phy; 13080 params->num_phys = 0; 13081 ELINK_DEBUG_P0(sc, "Begin phy probe\n"); 13082#ifdef ELINK_INCLUDE_EMUL 13083 if (CHIP_REV_IS_EMUL(sc)) 13084 return ELINK_STATUS_OK; 13085#endif 13086 phy_config_swapped = params->multi_phy_config & 13087 PORT_HW_CFG_PHY_SWAPPED_ENABLED; 13088 13089 for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS; 13090 phy_index++) { 13091 actual_phy_idx = phy_index; 13092 if (phy_config_swapped) { 13093 if (phy_index == ELINK_EXT_PHY1) 13094 actual_phy_idx = ELINK_EXT_PHY2; 13095 else if (phy_index == ELINK_EXT_PHY2) 13096 actual_phy_idx = ELINK_EXT_PHY1; 13097 } 13098 ELINK_DEBUG_P3(sc, "phy_config_swapped %x, phy_index %x," 13099 " actual_phy_idx %x\n", phy_config_swapped, 13100 phy_index, actual_phy_idx); 13101 phy = ¶ms->phy[actual_phy_idx]; 13102 if (elink_populate_phy(sc, phy_index, params->shmem_base, 13103 params->shmem2_base, params->port, 13104 phy) != ELINK_STATUS_OK) { 13105 params->num_phys = 0; 13106 ELINK_DEBUG_P1(sc, "phy probe failed in phy index %d\n", 13107 phy_index); 13108 for (phy_index = ELINK_INT_PHY; 13109 phy_index < ELINK_MAX_PHYS; 13110 phy_index++) 13111 *phy = phy_null; 13112 return ELINK_STATUS_ERROR; 13113 } 13114 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) 13115 break; 13116 13117 if (params->feature_config_flags & 13118 ELINK_FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET) 13119 phy->flags &= ~ELINK_FLAGS_TX_ERROR_CHECK; 13120 13121 if (!(params->feature_config_flags & 13122 ELINK_FEATURE_CONFIG_MT_SUPPORT)) 13123 phy->flags |= ELINK_FLAGS_MDC_MDIO_WA_G; 13124 13125 sync_offset = params->shmem_base + 13126 offsetof(struct shmem_region, 13127 dev_info.port_hw_config[params->port].media_type); 13128 media_types = REG_RD(sc, sync_offset); 13129 13130 /* Update media type for non-PMF sync only for the first time 13131 * In case the media type changes afterwards, it will be updated 13132 * using the update_status function 13133 */ 13134 if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK << 13135 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 13136 actual_phy_idx))) == 0) { 13137 media_types |= ((phy->media_type & 13138 PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) << 13139 (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * 13140 actual_phy_idx)); 13141 } 13142 REG_WR(sc, sync_offset, media_types); 13143 13144 elink_phy_def_cfg(params, phy, phy_index); 13145 params->num_phys++; 13146 } 13147 13148 ELINK_DEBUG_P1(sc, "End phy probe. #phys found %x\n", params->num_phys); 13149 return ELINK_STATUS_OK; 13150} 13151 13152#ifdef ELINK_INCLUDE_EMUL 13153static elink_status_t elink_init_e3_emul_mac(struct elink_params *params, 13154 struct elink_vars *vars) 13155{ 13156 struct bxe_softc *sc = params->sc; 13157 vars->line_speed = params->req_line_speed[0]; 13158 /* In case link speed is auto, set speed the highest as possible */ 13159 if (params->req_line_speed[0] == ELINK_SPEED_AUTO_NEG) { 13160 if (params->feature_config_flags & 13161 ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) 13162 vars->line_speed = ELINK_SPEED_2500; 13163 else if (elink_is_4_port_mode(sc)) 13164 vars->line_speed = ELINK_SPEED_10000; 13165 else 13166 vars->line_speed = ELINK_SPEED_20000; 13167 } 13168 if (vars->line_speed < ELINK_SPEED_10000) { 13169 if ((params->feature_config_flags & 13170 ELINK_FEATURE_CONFIG_EMUL_DISABLE_UMAC)) { 13171 ELINK_DEBUG_P1(sc, "Invalid line speed %d while UMAC is" 13172 " disabled!\n", params->req_line_speed[0]); 13173 return ELINK_STATUS_ERROR; 13174 } 13175 switch (vars->line_speed) { 13176 case ELINK_SPEED_10: 13177 vars->link_status = ELINK_LINK_10TFD; 13178 break; 13179 case ELINK_SPEED_100: 13180 vars->link_status = ELINK_LINK_100TXFD; 13181 break; 13182 case ELINK_SPEED_1000: 13183 vars->link_status = ELINK_LINK_1000TFD; 13184 break; 13185 case ELINK_SPEED_2500: 13186 vars->link_status = ELINK_LINK_2500TFD; 13187 break; 13188 default: 13189 ELINK_DEBUG_P1(sc, "Invalid line speed %d for UMAC\n", 13190 vars->line_speed); 13191 return ELINK_STATUS_ERROR; 13192 } 13193 vars->link_status |= LINK_STATUS_LINK_UP; 13194 13195 if (params->loopback_mode == ELINK_LOOPBACK_UMAC) 13196 elink_umac_enable(params, vars, 1); 13197 else 13198 elink_umac_enable(params, vars, 0); 13199 } else { 13200 /* Link speed >= 10000 requires XMAC enabled */ 13201 if (params->feature_config_flags & 13202 ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC) { 13203 ELINK_DEBUG_P1(sc, "Invalid line speed %d while XMAC is" 13204 " disabled!\n", params->req_line_speed[0]); 13205 return ELINK_STATUS_ERROR; 13206 } 13207 /* Check link speed */ 13208 switch (vars->line_speed) { 13209 case ELINK_SPEED_10000: 13210 vars->link_status = ELINK_LINK_10GTFD; 13211 break; 13212 case ELINK_SPEED_20000: 13213 vars->link_status = ELINK_LINK_20GTFD; 13214 break; 13215 default: 13216 ELINK_DEBUG_P1(sc, "Invalid line speed %d for XMAC\n", 13217 vars->line_speed); 13218 return ELINK_STATUS_ERROR; 13219 } 13220 vars->link_status |= LINK_STATUS_LINK_UP; 13221 if (params->loopback_mode == ELINK_LOOPBACK_XMAC) 13222 elink_xmac_enable(params, vars, 1); 13223 else 13224 elink_xmac_enable(params, vars, 0); 13225 } 13226 return ELINK_STATUS_OK; 13227} 13228 13229static elink_status_t elink_init_emul(struct elink_params *params, 13230 struct elink_vars *vars) 13231{ 13232 struct bxe_softc *sc = params->sc; 13233 if (CHIP_IS_E3(sc)) { 13234 if (elink_init_e3_emul_mac(params, vars) != 13235 ELINK_STATUS_OK) 13236 return ELINK_STATUS_ERROR; 13237 } else { 13238 if (params->feature_config_flags & 13239 ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC) { 13240 vars->line_speed = ELINK_SPEED_1000; 13241 vars->link_status = (LINK_STATUS_LINK_UP | 13242 ELINK_LINK_1000XFD); 13243 if (params->loopback_mode == 13244 ELINK_LOOPBACK_EMAC) 13245 elink_emac_enable(params, vars, 1); 13246 else 13247 elink_emac_enable(params, vars, 0); 13248 } else { 13249 vars->line_speed = ELINK_SPEED_10000; 13250 vars->link_status = (LINK_STATUS_LINK_UP | 13251 ELINK_LINK_10GTFD); 13252 if (params->loopback_mode == 13253 ELINK_LOOPBACK_BMAC) 13254 elink_bmac_enable(params, vars, 1, 1); 13255 else 13256 elink_bmac_enable(params, vars, 0, 1); 13257 } 13258 } 13259 vars->link_up = 1; 13260 vars->duplex = DUPLEX_FULL; 13261 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13262 13263 if (CHIP_IS_E1x(sc)) 13264 elink_pbf_update(params, vars->flow_ctrl, 13265 vars->line_speed); 13266 /* Disable drain */ 13267 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13268 13269 /* update shared memory */ 13270 elink_update_mng(params, vars->link_status); 13271 return ELINK_STATUS_OK; 13272} 13273#endif 13274#ifdef ELINK_INCLUDE_FPGA 13275static elink_status_t elink_init_fpga(struct elink_params *params, 13276 struct elink_vars *vars) 13277{ 13278 /* Enable on E1.5 FPGA */ 13279 struct bxe_softc *sc = params->sc; 13280 vars->duplex = DUPLEX_FULL; 13281 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13282 if (!(CHIP_IS_E1(sc))) { 13283 vars->flow_ctrl = (ELINK_FLOW_CTRL_TX | 13284 ELINK_FLOW_CTRL_RX); 13285 vars->link_status |= (LINK_STATUS_TX_FLOW_CONTROL_ENABLED | 13286 LINK_STATUS_RX_FLOW_CONTROL_ENABLED); 13287 } 13288 if (CHIP_IS_E3(sc)) { 13289 vars->line_speed = params->req_line_speed[0]; 13290 switch (vars->line_speed) { 13291 case ELINK_SPEED_AUTO_NEG: 13292 vars->line_speed = ELINK_SPEED_2500; 13293 case ELINK_SPEED_2500: 13294 vars->link_status = ELINK_LINK_2500TFD; 13295 break; 13296 case ELINK_SPEED_1000: 13297 vars->link_status = ELINK_LINK_1000XFD; 13298 break; 13299 case ELINK_SPEED_100: 13300 vars->link_status = ELINK_LINK_100TXFD; 13301 break; 13302 case ELINK_SPEED_10: 13303 vars->link_status = ELINK_LINK_10TFD; 13304 break; 13305 default: 13306 ELINK_DEBUG_P1(sc, "Invalid link speed %d\n", 13307 params->req_line_speed[0]); 13308 return ELINK_STATUS_ERROR; 13309 } 13310 vars->link_status |= LINK_STATUS_LINK_UP; 13311 if (params->loopback_mode == ELINK_LOOPBACK_UMAC) 13312 elink_umac_enable(params, vars, 1); 13313 else 13314 elink_umac_enable(params, vars, 0); 13315 } else { 13316 vars->line_speed = ELINK_SPEED_10000; 13317 vars->link_status = (LINK_STATUS_LINK_UP | ELINK_LINK_10GTFD); 13318 if (params->loopback_mode == ELINK_LOOPBACK_EMAC) 13319 elink_emac_enable(params, vars, 1); 13320 else 13321 elink_emac_enable(params, vars, 0); 13322 } 13323 vars->link_up = 1; 13324 13325 if (CHIP_IS_E1x(sc)) 13326 elink_pbf_update(params, vars->flow_ctrl, 13327 vars->line_speed); 13328 /* Disable drain */ 13329 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13330 13331 /* Update shared memory */ 13332 elink_update_mng(params, vars->link_status); 13333 return ELINK_STATUS_OK; 13334} 13335#endif 13336static void elink_init_bmac_loopback(struct elink_params *params, 13337 struct elink_vars *vars) 13338{ 13339 struct bxe_softc *sc = params->sc; 13340 vars->link_up = 1; 13341 vars->line_speed = ELINK_SPEED_10000; 13342 vars->duplex = DUPLEX_FULL; 13343 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13344 vars->mac_type = ELINK_MAC_TYPE_BMAC; 13345 13346 vars->phy_flags = PHY_XGXS_FLAG; 13347 13348 elink_xgxs_deassert(params); 13349 13350 /* Set bmac loopback */ 13351 elink_bmac_enable(params, vars, 1, 1); 13352 13353 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13354} 13355 13356static void elink_init_emac_loopback(struct elink_params *params, 13357 struct elink_vars *vars) 13358{ 13359 struct bxe_softc *sc = params->sc; 13360 vars->link_up = 1; 13361 vars->line_speed = ELINK_SPEED_1000; 13362 vars->duplex = DUPLEX_FULL; 13363 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13364 vars->mac_type = ELINK_MAC_TYPE_EMAC; 13365 13366 vars->phy_flags = PHY_XGXS_FLAG; 13367 13368 elink_xgxs_deassert(params); 13369 /* Set bmac loopback */ 13370 elink_emac_enable(params, vars, 1); 13371 elink_emac_program(params, vars); 13372 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13373} 13374 13375static void elink_init_xmac_loopback(struct elink_params *params, 13376 struct elink_vars *vars) 13377{ 13378 struct bxe_softc *sc = params->sc; 13379 vars->link_up = 1; 13380 if (!params->req_line_speed[0]) 13381 vars->line_speed = ELINK_SPEED_10000; 13382 else 13383 vars->line_speed = params->req_line_speed[0]; 13384 vars->duplex = DUPLEX_FULL; 13385 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13386 vars->mac_type = ELINK_MAC_TYPE_XMAC; 13387 vars->phy_flags = PHY_XGXS_FLAG; 13388 /* Set WC to loopback mode since link is required to provide clock 13389 * to the XMAC in 20G mode 13390 */ 13391 elink_set_aer_mmd(params, ¶ms->phy[0]); 13392 elink_warpcore_reset_lane(sc, ¶ms->phy[0], 0); 13393 params->phy[ELINK_INT_PHY].config_loopback( 13394 ¶ms->phy[ELINK_INT_PHY], 13395 params); 13396 13397 elink_xmac_enable(params, vars, 1); 13398 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13399} 13400 13401static void elink_init_umac_loopback(struct elink_params *params, 13402 struct elink_vars *vars) 13403{ 13404 struct bxe_softc *sc = params->sc; 13405 vars->link_up = 1; 13406 vars->line_speed = ELINK_SPEED_1000; 13407 vars->duplex = DUPLEX_FULL; 13408 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13409 vars->mac_type = ELINK_MAC_TYPE_UMAC; 13410 vars->phy_flags = PHY_XGXS_FLAG; 13411 elink_umac_enable(params, vars, 1); 13412 13413 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13414} 13415 13416static void elink_init_xgxs_loopback(struct elink_params *params, 13417 struct elink_vars *vars) 13418{ 13419 struct bxe_softc *sc = params->sc; 13420 struct elink_phy *int_phy = ¶ms->phy[ELINK_INT_PHY]; 13421 vars->link_up = 1; 13422 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13423 vars->duplex = DUPLEX_FULL; 13424 if (params->req_line_speed[0] == ELINK_SPEED_1000) 13425 vars->line_speed = ELINK_SPEED_1000; 13426 else if ((params->req_line_speed[0] == ELINK_SPEED_20000) || 13427 (int_phy->flags & ELINK_FLAGS_WC_DUAL_MODE)) 13428 vars->line_speed = ELINK_SPEED_20000; 13429 else 13430 vars->line_speed = ELINK_SPEED_10000; 13431 13432 if (!USES_WARPCORE(sc)) 13433 elink_xgxs_deassert(params); 13434 elink_link_initialize(params, vars); 13435 13436 if (params->req_line_speed[0] == ELINK_SPEED_1000) { 13437 if (USES_WARPCORE(sc)) 13438 elink_umac_enable(params, vars, 0); 13439 else { 13440 elink_emac_program(params, vars); 13441 elink_emac_enable(params, vars, 0); 13442 } 13443 } else { 13444 if (USES_WARPCORE(sc)) 13445 elink_xmac_enable(params, vars, 0); 13446 else 13447 elink_bmac_enable(params, vars, 0, 1); 13448 } 13449 13450 if (params->loopback_mode == ELINK_LOOPBACK_XGXS) { 13451 /* Set 10G XGXS loopback */ 13452 int_phy->config_loopback(int_phy, params); 13453 } else { 13454 /* Set external phy loopback */ 13455 uint8_t phy_index; 13456 for (phy_index = ELINK_EXT_PHY1; 13457 phy_index < params->num_phys; phy_index++) 13458 if (params->phy[phy_index].config_loopback) 13459 params->phy[phy_index].config_loopback( 13460 ¶ms->phy[phy_index], 13461 params); 13462 } 13463 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13464 13465 elink_set_led(params, vars, ELINK_LED_MODE_OPER, vars->line_speed); 13466} 13467 13468void elink_set_rx_filter(struct elink_params *params, uint8_t en) 13469{ 13470 struct bxe_softc *sc = params->sc; 13471 uint8_t val = en * 0x1F; 13472 13473 /* Open / close the gate between the NIG and the BRB */ 13474 if (!CHIP_IS_E1x(sc)) 13475 val |= en * 0x20; 13476 REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val); 13477 13478 if (!CHIP_IS_E1(sc)) { 13479 REG_WR(sc, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4, 13480 en*0x3); 13481 } 13482 13483 REG_WR(sc, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP : 13484 NIG_REG_LLH0_BRB1_NOT_MCP), en); 13485} 13486static elink_status_t elink_avoid_link_flap(struct elink_params *params, 13487 struct elink_vars *vars) 13488{ 13489 uint32_t phy_idx; 13490 uint32_t dont_clear_stat, lfa_sts; 13491 struct bxe_softc *sc = params->sc; 13492 13493 /* Sync the link parameters */ 13494 elink_link_status_update(params, vars); 13495 13496 /* 13497 * The module verification was already done by previous link owner, 13498 * so this call is meant only to get warning message 13499 */ 13500 13501 for (phy_idx = ELINK_INT_PHY; phy_idx < params->num_phys; phy_idx++) { 13502 struct elink_phy *phy = ¶ms->phy[phy_idx]; 13503 if (phy->phy_specific_func) { 13504 ELINK_DEBUG_P0(sc, "Calling PHY specific func\n"); 13505 phy->phy_specific_func(phy, params, ELINK_PHY_INIT); 13506 } 13507 if ((phy->media_type == ELINK_ETH_PHY_SFPP_10G_FIBER) || 13508 (phy->media_type == ELINK_ETH_PHY_SFP_1G_FIBER) || 13509 (phy->media_type == ELINK_ETH_PHY_DA_TWINAX)) 13510 elink_verify_sfp_module(phy, params); 13511 } 13512 lfa_sts = REG_RD(sc, params->lfa_base + 13513 offsetof(struct shmem_lfa, 13514 lfa_sts)); 13515 13516 dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT; 13517 13518 /* Re-enable the NIG/MAC */ 13519 if (CHIP_IS_E3(sc)) { 13520 if (!dont_clear_stat) { 13521 REG_WR(sc, GRCBASE_MISC + 13522 MISC_REGISTERS_RESET_REG_2_CLEAR, 13523 (MISC_REGISTERS_RESET_REG_2_MSTAT0 << 13524 params->port)); 13525 REG_WR(sc, GRCBASE_MISC + 13526 MISC_REGISTERS_RESET_REG_2_SET, 13527 (MISC_REGISTERS_RESET_REG_2_MSTAT0 << 13528 params->port)); 13529 } 13530 if (vars->line_speed < ELINK_SPEED_10000) 13531 elink_umac_enable(params, vars, 0); 13532 else 13533 elink_xmac_enable(params, vars, 0); 13534 } else { 13535 if (vars->line_speed < ELINK_SPEED_10000) 13536 elink_emac_enable(params, vars, 0); 13537 else 13538 elink_bmac_enable(params, vars, 0, !dont_clear_stat); 13539 } 13540 13541 /* Increment LFA count */ 13542 lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) | 13543 (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >> 13544 LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff) 13545 << LINK_FLAP_AVOIDANCE_COUNT_OFFSET)); 13546 /* Clear link flap reason */ 13547 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK; 13548 13549 REG_WR(sc, params->lfa_base + 13550 offsetof(struct shmem_lfa, lfa_sts), lfa_sts); 13551 13552 /* Disable NIG DRAIN */ 13553 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13554 13555 /* Enable interrupts */ 13556 elink_link_int_enable(params); 13557 return ELINK_STATUS_OK; 13558} 13559 13560static void elink_cannot_avoid_link_flap(struct elink_params *params, 13561 struct elink_vars *vars, 13562 int lfa_status) 13563{ 13564 uint32_t lfa_sts, cfg_idx, tmp_val; 13565 struct bxe_softc *sc = params->sc; 13566 13567 elink_link_reset(params, vars, 1); 13568 13569 if (!params->lfa_base) 13570 return; 13571 /* Store the new link parameters */ 13572 REG_WR(sc, params->lfa_base + 13573 offsetof(struct shmem_lfa, req_duplex), 13574 params->req_duplex[0] | (params->req_duplex[1] << 16)); 13575 13576 REG_WR(sc, params->lfa_base + 13577 offsetof(struct shmem_lfa, req_flow_ctrl), 13578 params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16)); 13579 13580 REG_WR(sc, params->lfa_base + 13581 offsetof(struct shmem_lfa, req_line_speed), 13582 params->req_line_speed[0] | (params->req_line_speed[1] << 16)); 13583 13584 for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) { 13585 REG_WR(sc, params->lfa_base + 13586 offsetof(struct shmem_lfa, 13587 speed_cap_mask[cfg_idx]), 13588 params->speed_cap_mask[cfg_idx]); 13589 } 13590 13591 tmp_val = REG_RD(sc, params->lfa_base + 13592 offsetof(struct shmem_lfa, additional_config)); 13593 tmp_val &= ~REQ_FC_AUTO_ADV_MASK; 13594 tmp_val |= params->req_fc_auto_adv; 13595 13596 REG_WR(sc, params->lfa_base + 13597 offsetof(struct shmem_lfa, additional_config), tmp_val); 13598 13599 lfa_sts = REG_RD(sc, params->lfa_base + 13600 offsetof(struct shmem_lfa, lfa_sts)); 13601 13602 /* Clear the "Don't Clear Statistics" bit, and set reason */ 13603 lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT; 13604 13605 /* Set link flap reason */ 13606 lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK; 13607 lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) << 13608 LFA_LINK_FLAP_REASON_OFFSET); 13609 13610 /* Increment link flap counter */ 13611 lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) | 13612 (((((lfa_sts & LINK_FLAP_COUNT_MASK) >> 13613 LINK_FLAP_COUNT_OFFSET) + 1) & 0xff) 13614 << LINK_FLAP_COUNT_OFFSET)); 13615 REG_WR(sc, params->lfa_base + 13616 offsetof(struct shmem_lfa, lfa_sts), lfa_sts); 13617 /* Proceed with regular link initialization */ 13618} 13619 13620elink_status_t elink_phy_init(struct elink_params *params, struct elink_vars *vars) 13621{ 13622 int lfa_status; 13623 struct bxe_softc *sc = params->sc; 13624 ELINK_DEBUG_P0(sc, "Phy Initialization started\n"); 13625 ELINK_DEBUG_P2(sc, "(1) req_speed %d, req_flowctrl %d\n", 13626 params->req_line_speed[0], params->req_flow_ctrl[0]); 13627 ELINK_DEBUG_P2(sc, "(2) req_speed %d, req_flowctrl %d\n", 13628 params->req_line_speed[1], params->req_flow_ctrl[1]); 13629 ELINK_DEBUG_P1(sc, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv); 13630 vars->link_status = 0; 13631 vars->phy_link_up = 0; 13632 vars->link_up = 0; 13633 vars->line_speed = 0; 13634 vars->duplex = DUPLEX_FULL; 13635 vars->flow_ctrl = ELINK_FLOW_CTRL_NONE; 13636 vars->mac_type = ELINK_MAC_TYPE_NONE; 13637 vars->phy_flags = 0; 13638 vars->check_kr2_recovery_cnt = 0; 13639 params->link_flags = ELINK_PHY_INITIALIZED; 13640 /* Driver opens NIG-BRB filters */ 13641 elink_set_rx_filter(params, 1); 13642 /* Check if link flap can be avoided */ 13643 lfa_status = elink_check_lfa(params); 13644 13645 if (lfa_status == 0) { 13646 ELINK_DEBUG_P0(sc, "Link Flap Avoidance in progress\n"); 13647 return elink_avoid_link_flap(params, vars); 13648 } 13649 13650 ELINK_DEBUG_P1(sc, "Cannot avoid link flap lfa_sta=0x%x\n", 13651 lfa_status); 13652 elink_cannot_avoid_link_flap(params, vars, lfa_status); 13653 13654 /* Disable attentions */ 13655 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 13656 (ELINK_NIG_MASK_XGXS0_LINK_STATUS | 13657 ELINK_NIG_MASK_XGXS0_LINK10G | 13658 ELINK_NIG_MASK_SERDES0_LINK_STATUS | 13659 ELINK_NIG_MASK_MI_INT)); 13660#ifdef ELINK_INCLUDE_EMUL 13661 if (!(params->feature_config_flags & 13662 ELINK_FEATURE_CONFIG_EMUL_DISABLE_EMAC)) 13663#endif 13664 13665 elink_emac_init(params, vars); 13666 13667 if (params->feature_config_flags & ELINK_FEATURE_CONFIG_PFC_ENABLED) 13668 vars->link_status |= LINK_STATUS_PFC_ENABLED; 13669 13670 if ((params->num_phys == 0) && 13671 !CHIP_REV_IS_SLOW(sc)) { 13672 ELINK_DEBUG_P0(sc, "No phy found for initialization !!\n"); 13673 return ELINK_STATUS_ERROR; 13674 } 13675 set_phy_vars(params, vars); 13676 13677 ELINK_DEBUG_P1(sc, "Num of phys on board: %d\n", params->num_phys); 13678#ifdef ELINK_INCLUDE_FPGA 13679 if (CHIP_REV_IS_FPGA(sc)) { 13680 return elink_init_fpga(params, vars); 13681 } else 13682#endif 13683#ifdef ELINK_INCLUDE_EMUL 13684 if (CHIP_REV_IS_EMUL(sc)) { 13685 return elink_init_emul(params, vars); 13686 } else 13687#endif 13688 switch (params->loopback_mode) { 13689 case ELINK_LOOPBACK_BMAC: 13690 elink_init_bmac_loopback(params, vars); 13691 break; 13692 case ELINK_LOOPBACK_EMAC: 13693 elink_init_emac_loopback(params, vars); 13694 break; 13695 case ELINK_LOOPBACK_XMAC: 13696 elink_init_xmac_loopback(params, vars); 13697 break; 13698 case ELINK_LOOPBACK_UMAC: 13699 elink_init_umac_loopback(params, vars); 13700 break; 13701 case ELINK_LOOPBACK_XGXS: 13702 case ELINK_LOOPBACK_EXT_PHY: 13703 elink_init_xgxs_loopback(params, vars); 13704 break; 13705 default: 13706 if (!CHIP_IS_E3(sc)) { 13707 if (params->switch_cfg == ELINK_SWITCH_CFG_10G) 13708 elink_xgxs_deassert(params); 13709 else 13710 elink_serdes_deassert(sc, params->port); 13711 } 13712 elink_link_initialize(params, vars); 13713 DELAY(1000 * 30); 13714 elink_link_int_enable(params); 13715 break; 13716 } 13717 elink_update_mng(params, vars->link_status); 13718 13719 elink_update_mng_eee(params, vars->eee_status); 13720 return ELINK_STATUS_OK; 13721} 13722 13723elink_status_t elink_link_reset(struct elink_params *params, struct elink_vars *vars, 13724 uint8_t reset_ext_phy) 13725{ 13726 struct bxe_softc *sc = params->sc; 13727 uint8_t phy_index, port = params->port, clear_latch_ind = 0; 13728 ELINK_DEBUG_P1(sc, "Resetting the link of port %d\n", port); 13729 /* Disable attentions */ 13730 vars->link_status = 0; 13731 elink_update_mng(params, vars->link_status); 13732 vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK | 13733 SHMEM_EEE_ACTIVE_BIT); 13734 elink_update_mng_eee(params, vars->eee_status); 13735 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 13736 (ELINK_NIG_MASK_XGXS0_LINK_STATUS | 13737 ELINK_NIG_MASK_XGXS0_LINK10G | 13738 ELINK_NIG_MASK_SERDES0_LINK_STATUS | 13739 ELINK_NIG_MASK_MI_INT)); 13740 13741 /* Activate nig drain */ 13742 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); 13743 13744 /* Disable nig egress interface */ 13745 if (!CHIP_IS_E3(sc)) { 13746 REG_WR(sc, NIG_REG_BMAC0_OUT_EN + port*4, 0); 13747 REG_WR(sc, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); 13748 } 13749 13750#ifdef ELINK_INCLUDE_EMUL 13751 /* Stop BigMac rx */ 13752 if (!(params->feature_config_flags & 13753 ELINK_FEATURE_CONFIG_EMUL_DISABLE_BMAC)) 13754#endif 13755 if (!CHIP_IS_E3(sc)) 13756 elink_set_bmac_rx(sc, params->chip_id, port, 0); 13757#ifdef ELINK_INCLUDE_EMUL 13758 /* Stop XMAC/UMAC rx */ 13759 if (!(params->feature_config_flags & 13760 ELINK_FEATURE_CONFIG_EMUL_DISABLE_XMAC)) 13761#endif 13762 if (CHIP_IS_E3(sc) && 13763 !CHIP_REV_IS_FPGA(sc)) { 13764 elink_set_xmac_rxtx(params, 0); 13765 elink_set_umac_rxtx(params, 0); 13766 } 13767 /* Disable emac */ 13768 if (!CHIP_IS_E3(sc)) 13769 REG_WR(sc, NIG_REG_NIG_EMAC0_EN + port*4, 0); 13770 13771 DELAY(1000 * 10); 13772 /* The PHY reset is controlled by GPIO 1 13773 * Hold it as vars low 13774 */ 13775 /* Clear link led */ 13776 elink_set_mdio_emac_per_phy(sc, params); 13777 elink_set_led(params, vars, ELINK_LED_MODE_OFF, 0); 13778 13779 if (reset_ext_phy && (!CHIP_REV_IS_SLOW(sc))) { 13780 for (phy_index = ELINK_EXT_PHY1; phy_index < params->num_phys; 13781 phy_index++) { 13782 if (params->phy[phy_index].link_reset) { 13783 elink_set_aer_mmd(params, 13784 ¶ms->phy[phy_index]); 13785 params->phy[phy_index].link_reset( 13786 ¶ms->phy[phy_index], 13787 params); 13788 } 13789 if (params->phy[phy_index].flags & 13790 ELINK_FLAGS_REARM_LATCH_SIGNAL) 13791 clear_latch_ind = 1; 13792 } 13793 } 13794 13795 if (clear_latch_ind) { 13796 /* Clear latching indication */ 13797 elink_rearm_latch_signal(sc, port, 0); 13798 elink_bits_dis(sc, NIG_REG_LATCH_BC_0 + port*4, 13799 1 << ELINK_NIG_LATCH_BC_ENABLE_MI_INT); 13800 } 13801#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA) 13802 if (!CHIP_REV_IS_SLOW(sc)) 13803#endif 13804 if (params->phy[ELINK_INT_PHY].link_reset) 13805 params->phy[ELINK_INT_PHY].link_reset( 13806 ¶ms->phy[ELINK_INT_PHY], params); 13807 13808 /* Disable nig ingress interface */ 13809 if (!CHIP_IS_E3(sc)) { 13810 /* Reset BigMac */ 13811 REG_WR(sc, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 13812 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port)); 13813 REG_WR(sc, NIG_REG_BMAC0_IN_EN + port*4, 0); 13814 REG_WR(sc, NIG_REG_EMAC0_IN_EN + port*4, 0); 13815 } else { 13816 uint32_t xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 13817 elink_set_xumac_nig(params, 0, 0); 13818 if (REG_RD(sc, MISC_REG_RESET_REG_2) & 13819 MISC_REGISTERS_RESET_REG_2_XMAC) 13820 REG_WR(sc, xmac_base + XMAC_REG_CTRL, 13821 XMAC_CTRL_REG_SOFT_RESET); 13822 } 13823 vars->link_up = 0; 13824 vars->phy_flags = 0; 13825 return ELINK_STATUS_OK; 13826} 13827elink_status_t elink_lfa_reset(struct elink_params *params, 13828 struct elink_vars *vars) 13829{ 13830 struct bxe_softc *sc = params->sc; 13831 vars->link_up = 0; 13832 vars->phy_flags = 0; 13833 params->link_flags &= ~ELINK_PHY_INITIALIZED; 13834 if (!params->lfa_base) 13835 return elink_link_reset(params, vars, 1); 13836 /* 13837 * Activate NIG drain so that during this time the device won't send 13838 * anything while it is unable to response. 13839 */ 13840 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1); 13841 13842 /* 13843 * Close gracefully the gate from BMAC to NIG such that no half packets 13844 * are passed. 13845 */ 13846 if (!CHIP_IS_E3(sc)) 13847 elink_set_bmac_rx(sc, params->chip_id, params->port, 0); 13848 13849 if (CHIP_IS_E3(sc)) { 13850 elink_set_xmac_rxtx(params, 0); 13851 elink_set_umac_rxtx(params, 0); 13852 } 13853 /* Wait 10ms for the pipe to clean up*/ 13854 DELAY(1000 * 10); 13855 13856 /* Clean the NIG-BRB using the network filters in a way that will 13857 * not cut a packet in the middle. 13858 */ 13859 elink_set_rx_filter(params, 0); 13860 13861 /* 13862 * Re-open the gate between the BMAC and the NIG, after verifying the 13863 * gate to the BRB is closed, otherwise packets may arrive to the 13864 * firmware before driver had initialized it. The target is to achieve 13865 * minimum management protocol down time. 13866 */ 13867 if (!CHIP_IS_E3(sc)) 13868 elink_set_bmac_rx(sc, params->chip_id, params->port, 1); 13869 13870 if (CHIP_IS_E3(sc)) { 13871 elink_set_xmac_rxtx(params, 1); 13872 elink_set_umac_rxtx(params, 1); 13873 } 13874 /* Disable NIG drain */ 13875 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 13876 return ELINK_STATUS_OK; 13877} 13878 13879/****************************************************************************/ 13880/* Common function */ 13881/****************************************************************************/ 13882static elink_status_t elink_8073_common_init_phy(struct bxe_softc *sc, 13883 uint32_t shmem_base_path[], 13884 uint32_t shmem2_base_path[], uint8_t phy_index, 13885 uint32_t chip_id) 13886{ 13887 struct elink_phy phy[PORT_MAX]; 13888 struct elink_phy *phy_blk[PORT_MAX]; 13889 uint16_t val; 13890 int8_t port = 0; 13891 int8_t port_of_path = 0; 13892 uint32_t swap_val, swap_override; 13893 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP); 13894 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE); 13895 port ^= (swap_val && swap_override); 13896 elink_ext_phy_hw_reset(sc, port); 13897 /* PART1 - Reset both phys */ 13898 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 13899 uint32_t shmem_base, shmem2_base; 13900 /* In E2, same phy is using for port0 of the two paths */ 13901 if (CHIP_IS_E1x(sc)) { 13902 shmem_base = shmem_base_path[0]; 13903 shmem2_base = shmem2_base_path[0]; 13904 port_of_path = port; 13905 } else { 13906 shmem_base = shmem_base_path[port]; 13907 shmem2_base = shmem2_base_path[port]; 13908 port_of_path = 0; 13909 } 13910 13911 /* Extract the ext phy address for the port */ 13912 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base, 13913 port_of_path, &phy[port]) != 13914 ELINK_STATUS_OK) { 13915 ELINK_DEBUG_P0(sc, "populate_phy failed\n"); 13916 return ELINK_STATUS_ERROR; 13917 } 13918 /* Disable attentions */ 13919 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + 13920 port_of_path*4, 13921 (ELINK_NIG_MASK_XGXS0_LINK_STATUS | 13922 ELINK_NIG_MASK_XGXS0_LINK10G | 13923 ELINK_NIG_MASK_SERDES0_LINK_STATUS | 13924 ELINK_NIG_MASK_MI_INT)); 13925 13926 /* Need to take the phy out of low power mode in order 13927 * to write to access its registers 13928 */ 13929 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 13930 MISC_REGISTERS_GPIO_OUTPUT_HIGH, 13931 port); 13932 13933 /* Reset the phy */ 13934 elink_cl45_write(sc, &phy[port], 13935 MDIO_PMA_DEVAD, 13936 MDIO_PMA_REG_CTRL, 13937 1<<15); 13938 } 13939 13940 /* Add delay of 150ms after reset */ 13941 DELAY(1000 * 150); 13942 13943 if (phy[PORT_0].addr & 0x1) { 13944 phy_blk[PORT_0] = &(phy[PORT_1]); 13945 phy_blk[PORT_1] = &(phy[PORT_0]); 13946 } else { 13947 phy_blk[PORT_0] = &(phy[PORT_0]); 13948 phy_blk[PORT_1] = &(phy[PORT_1]); 13949 } 13950 13951 /* PART2 - Download firmware to both phys */ 13952 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 13953 if (CHIP_IS_E1x(sc)) 13954 port_of_path = port; 13955 else 13956 port_of_path = 0; 13957 13958 ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n", 13959 phy_blk[port]->addr); 13960 if (elink_8073_8727_external_rom_boot(sc, phy_blk[port], 13961 port_of_path)) 13962 return ELINK_STATUS_ERROR; 13963 13964 /* Only set bit 10 = 1 (Tx power down) */ 13965 elink_cl45_read(sc, phy_blk[port], 13966 MDIO_PMA_DEVAD, 13967 MDIO_PMA_REG_TX_POWER_DOWN, &val); 13968 13969 /* Phase1 of TX_POWER_DOWN reset */ 13970 elink_cl45_write(sc, phy_blk[port], 13971 MDIO_PMA_DEVAD, 13972 MDIO_PMA_REG_TX_POWER_DOWN, 13973 (val | 1<<10)); 13974 } 13975 13976 /* Toggle Transmitter: Power down and then up with 600ms delay 13977 * between 13978 */ 13979 DELAY(1000 * 600); 13980 13981 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */ 13982 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 13983 /* Phase2 of POWER_DOWN_RESET */ 13984 /* Release bit 10 (Release Tx power down) */ 13985 elink_cl45_read(sc, phy_blk[port], 13986 MDIO_PMA_DEVAD, 13987 MDIO_PMA_REG_TX_POWER_DOWN, &val); 13988 13989 elink_cl45_write(sc, phy_blk[port], 13990 MDIO_PMA_DEVAD, 13991 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10)))); 13992 DELAY(1000 * 15); 13993 13994 /* Read modify write the SPI-ROM version select register */ 13995 elink_cl45_read(sc, phy_blk[port], 13996 MDIO_PMA_DEVAD, 13997 MDIO_PMA_REG_EDC_FFE_MAIN, &val); 13998 elink_cl45_write(sc, phy_blk[port], 13999 MDIO_PMA_DEVAD, 14000 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12))); 14001 14002 /* set GPIO2 back to LOW */ 14003 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_2, 14004 MISC_REGISTERS_GPIO_OUTPUT_LOW, port); 14005 } 14006 return ELINK_STATUS_OK; 14007} 14008static elink_status_t elink_8726_common_init_phy(struct bxe_softc *sc, 14009 uint32_t shmem_base_path[], 14010 uint32_t shmem2_base_path[], uint8_t phy_index, 14011 uint32_t chip_id) 14012{ 14013 uint32_t val; 14014 int8_t port; 14015 struct elink_phy phy; 14016 /* Use port1 because of the static port-swap */ 14017 /* Enable the module detection interrupt */ 14018 val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN); 14019 val |= ((1<<MISC_REGISTERS_GPIO_3)| 14020 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT))); 14021 REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val); 14022 14023 elink_ext_phy_hw_reset(sc, 0); 14024 DELAY(1000 * 5); 14025 for (port = 0; port < PORT_MAX; port++) { 14026 uint32_t shmem_base, shmem2_base; 14027 14028 /* In E2, same phy is using for port0 of the two paths */ 14029 if (CHIP_IS_E1x(sc)) { 14030 shmem_base = shmem_base_path[0]; 14031 shmem2_base = shmem2_base_path[0]; 14032 } else { 14033 shmem_base = shmem_base_path[port]; 14034 shmem2_base = shmem2_base_path[port]; 14035 } 14036 /* Extract the ext phy address for the port */ 14037 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base, 14038 port, &phy) != 14039 ELINK_STATUS_OK) { 14040 ELINK_DEBUG_P0(sc, "populate phy failed\n"); 14041 return ELINK_STATUS_ERROR; 14042 } 14043 14044 /* Reset phy*/ 14045 elink_cl45_write(sc, &phy, 14046 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001); 14047 14048 14049 /* Set fault module detected LED on */ 14050 elink_cb_gpio_write(sc, MISC_REGISTERS_GPIO_0, 14051 MISC_REGISTERS_GPIO_HIGH, 14052 port); 14053 } 14054 14055 return ELINK_STATUS_OK; 14056} 14057static void elink_get_ext_phy_reset_gpio(struct bxe_softc *sc, uint32_t shmem_base, 14058 uint8_t *io_gpio, uint8_t *io_port) 14059{ 14060 14061 uint32_t phy_gpio_reset = REG_RD(sc, shmem_base + 14062 offsetof(struct shmem_region, 14063 dev_info.port_hw_config[PORT_0].default_cfg)); 14064 switch (phy_gpio_reset) { 14065 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0: 14066 *io_gpio = 0; 14067 *io_port = 0; 14068 break; 14069 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0: 14070 *io_gpio = 1; 14071 *io_port = 0; 14072 break; 14073 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0: 14074 *io_gpio = 2; 14075 *io_port = 0; 14076 break; 14077 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0: 14078 *io_gpio = 3; 14079 *io_port = 0; 14080 break; 14081 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1: 14082 *io_gpio = 0; 14083 *io_port = 1; 14084 break; 14085 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1: 14086 *io_gpio = 1; 14087 *io_port = 1; 14088 break; 14089 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1: 14090 *io_gpio = 2; 14091 *io_port = 1; 14092 break; 14093 case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1: 14094 *io_gpio = 3; 14095 *io_port = 1; 14096 break; 14097 default: 14098 /* Don't override the io_gpio and io_port */ 14099 break; 14100 } 14101} 14102 14103static elink_status_t elink_8727_common_init_phy(struct bxe_softc *sc, 14104 uint32_t shmem_base_path[], 14105 uint32_t shmem2_base_path[], uint8_t phy_index, 14106 uint32_t chip_id) 14107{ 14108 int8_t port, reset_gpio; 14109 uint32_t swap_val, swap_override; 14110 struct elink_phy phy[PORT_MAX]; 14111 struct elink_phy *phy_blk[PORT_MAX]; 14112 int8_t port_of_path; 14113 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP); 14114 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE); 14115 14116 reset_gpio = MISC_REGISTERS_GPIO_1; 14117 port = 1; 14118 14119 /* Retrieve the reset gpio/port which control the reset. 14120 * Default is GPIO1, PORT1 14121 */ 14122 elink_get_ext_phy_reset_gpio(sc, shmem_base_path[0], 14123 (uint8_t *)&reset_gpio, (uint8_t *)&port); 14124 14125 /* Calculate the port based on port swap */ 14126 port ^= (swap_val && swap_override); 14127 14128 /* Initiate PHY reset*/ 14129 elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW, 14130 port); 14131 DELAY(1000 * 1); 14132 elink_cb_gpio_write(sc, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH, 14133 port); 14134 14135 DELAY(1000 * 5); 14136 14137 /* PART1 - Reset both phys */ 14138 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 14139 uint32_t shmem_base, shmem2_base; 14140 14141 /* In E2, same phy is using for port0 of the two paths */ 14142 if (CHIP_IS_E1x(sc)) { 14143 shmem_base = shmem_base_path[0]; 14144 shmem2_base = shmem2_base_path[0]; 14145 port_of_path = port; 14146 } else { 14147 shmem_base = shmem_base_path[port]; 14148 shmem2_base = shmem2_base_path[port]; 14149 port_of_path = 0; 14150 } 14151 14152 /* Extract the ext phy address for the port */ 14153 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base, 14154 port_of_path, &phy[port]) != 14155 ELINK_STATUS_OK) { 14156 ELINK_DEBUG_P0(sc, "populate phy failed\n"); 14157 return ELINK_STATUS_ERROR; 14158 } 14159 /* disable attentions */ 14160 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + 14161 port_of_path*4, 14162 (ELINK_NIG_MASK_XGXS0_LINK_STATUS | 14163 ELINK_NIG_MASK_XGXS0_LINK10G | 14164 ELINK_NIG_MASK_SERDES0_LINK_STATUS | 14165 ELINK_NIG_MASK_MI_INT)); 14166 14167 14168 /* Reset the phy */ 14169 elink_cl45_write(sc, &phy[port], 14170 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15); 14171 } 14172 14173 /* Add delay of 150ms after reset */ 14174 DELAY(1000 * 150); 14175 if (phy[PORT_0].addr & 0x1) { 14176 phy_blk[PORT_0] = &(phy[PORT_1]); 14177 phy_blk[PORT_1] = &(phy[PORT_0]); 14178 } else { 14179 phy_blk[PORT_0] = &(phy[PORT_0]); 14180 phy_blk[PORT_1] = &(phy[PORT_1]); 14181 } 14182 /* PART2 - Download firmware to both phys */ 14183 for (port = PORT_MAX - 1; port >= PORT_0; port--) { 14184 if (CHIP_IS_E1x(sc)) 14185 port_of_path = port; 14186 else 14187 port_of_path = 0; 14188 ELINK_DEBUG_P1(sc, "Loading spirom for phy address 0x%x\n", 14189 phy_blk[port]->addr); 14190 if (elink_8073_8727_external_rom_boot(sc, phy_blk[port], 14191 port_of_path)) 14192 return ELINK_STATUS_ERROR; 14193 /* Disable PHY transmitter output */ 14194 elink_cl45_write(sc, phy_blk[port], 14195 MDIO_PMA_DEVAD, 14196 MDIO_PMA_REG_TX_DISABLE, 1); 14197 14198 } 14199 return ELINK_STATUS_OK; 14200} 14201 14202static elink_status_t elink_84833_common_init_phy(struct bxe_softc *sc, 14203 uint32_t shmem_base_path[], 14204 uint32_t shmem2_base_path[], 14205 uint8_t phy_index, 14206 uint32_t chip_id) 14207{ 14208 uint8_t reset_gpios; 14209 reset_gpios = elink_84833_get_reset_gpios(sc, shmem_base_path, chip_id); 14210 elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW); 14211 DELAY(10); 14212 elink_cb_gpio_mult_write(sc, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH); 14213 ELINK_DEBUG_P1(sc, "84833 reset pulse on pin values 0x%x\n", 14214 reset_gpios); 14215 return ELINK_STATUS_OK; 14216} 14217static elink_status_t elink_ext_phy_common_init(struct bxe_softc *sc, uint32_t shmem_base_path[], 14218 uint32_t shmem2_base_path[], uint8_t phy_index, 14219 uint32_t ext_phy_type, uint32_t chip_id) 14220{ 14221 elink_status_t rc = ELINK_STATUS_OK; 14222 14223 switch (ext_phy_type) { 14224 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: 14225 rc = elink_8073_common_init_phy(sc, shmem_base_path, 14226 shmem2_base_path, 14227 phy_index, chip_id); 14228 break; 14229 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722: 14230 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727: 14231 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC: 14232 rc = elink_8727_common_init_phy(sc, shmem_base_path, 14233 shmem2_base_path, 14234 phy_index, chip_id); 14235 break; 14236 14237 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726: 14238 /* GPIO1 affects both ports, so there's need to pull 14239 * it for single port alone 14240 */ 14241 rc = elink_8726_common_init_phy(sc, shmem_base_path, 14242 shmem2_base_path, 14243 phy_index, chip_id); 14244 break; 14245 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833: 14246 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834: 14247 /* GPIO3's are linked, and so both need to be toggled 14248 * to obtain required 2us pulse. 14249 */ 14250 rc = elink_84833_common_init_phy(sc, shmem_base_path, 14251 shmem2_base_path, 14252 phy_index, chip_id); 14253 break; 14254 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: 14255 rc = ELINK_STATUS_ERROR; 14256 break; 14257 default: 14258 ELINK_DEBUG_P1(sc, 14259 "ext_phy 0x%x common init not required\n", 14260 ext_phy_type); 14261 break; 14262 } 14263 14264 if (rc != ELINK_STATUS_OK) 14265 elink_cb_event_log(sc, ELINK_LOG_ID_PHY_UNINITIALIZED, 0); // "Warning: PHY was not initialized," 14266 // " Port %d\n", 14267 14268 return rc; 14269} 14270 14271elink_status_t elink_common_init_phy(struct bxe_softc *sc, uint32_t shmem_base_path[], 14272 uint32_t shmem2_base_path[], uint32_t chip_id, 14273 uint8_t one_port_enabled) 14274{ 14275 elink_status_t rc = ELINK_STATUS_OK; 14276 uint32_t phy_ver, val; 14277 uint8_t phy_index = 0; 14278 uint32_t ext_phy_type, ext_phy_config; 14279#if defined(ELINK_INCLUDE_EMUL) || defined(ELINK_INCLUDE_FPGA) 14280 if (CHIP_REV_IS_EMUL(sc) || CHIP_REV_IS_FPGA(sc)) 14281 return ELINK_STATUS_OK; 14282#endif 14283 14284 elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC0); 14285 elink_set_mdio_clk(sc, chip_id, GRCBASE_EMAC1); 14286 ELINK_DEBUG_P0(sc, "Begin common phy init\n"); 14287 if (CHIP_IS_E3(sc)) { 14288 /* Enable EPIO */ 14289 val = REG_RD(sc, MISC_REG_GEN_PURP_HWG); 14290 REG_WR(sc, MISC_REG_GEN_PURP_HWG, val | 1); 14291 } 14292 /* Check if common init was already done */ 14293 phy_ver = REG_RD(sc, shmem_base_path[0] + 14294 offsetof(struct shmem_region, 14295 port_mb[PORT_0].ext_phy_fw_version)); 14296 if (phy_ver) { 14297 ELINK_DEBUG_P1(sc, "Not doing common init; phy ver is 0x%x\n", 14298 phy_ver); 14299 return ELINK_STATUS_OK; 14300 } 14301 14302 /* Read the ext_phy_type for arbitrary port(0) */ 14303 for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS; 14304 phy_index++) { 14305 ext_phy_config = elink_get_ext_phy_config(sc, 14306 shmem_base_path[0], 14307 phy_index, 0); 14308 ext_phy_type = ELINK_XGXS_EXT_PHY_TYPE(ext_phy_config); 14309 rc |= elink_ext_phy_common_init(sc, shmem_base_path, 14310 shmem2_base_path, 14311 phy_index, ext_phy_type, 14312 chip_id); 14313 } 14314 return rc; 14315} 14316 14317static void elink_check_over_curr(struct elink_params *params, 14318 struct elink_vars *vars) 14319{ 14320 struct bxe_softc *sc = params->sc; 14321 uint32_t cfg_pin; 14322 uint8_t port = params->port; 14323 uint32_t pin_val; 14324 14325 cfg_pin = (REG_RD(sc, params->shmem_base + 14326 offsetof(struct shmem_region, 14327 dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) & 14328 PORT_HW_CFG_E3_OVER_CURRENT_MASK) >> 14329 PORT_HW_CFG_E3_OVER_CURRENT_SHIFT; 14330 14331 /* Ignore check if no external input PIN available */ 14332 if (elink_get_cfg_pin(sc, cfg_pin, &pin_val) != ELINK_STATUS_OK) 14333 return; 14334 14335 if (!pin_val) { 14336 if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) { 14337 elink_cb_event_log(sc, ELINK_LOG_ID_OVER_CURRENT, params->port); //"Error: Power fault on Port %d has" 14338 // " been detected and the power to " 14339 // "that SFP+ module has been removed" 14340 // " to prevent failure of the card." 14341 // " Please remove the SFP+ module and" 14342 // " restart the system to clear this" 14343 // " error.\n", 14344 vars->phy_flags |= PHY_OVER_CURRENT_FLAG; 14345 elink_warpcore_power_module(params, 0); 14346 } 14347 } else 14348 vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG; 14349} 14350 14351/* Returns 0 if no change occured since last check; 1 otherwise. */ 14352static uint8_t elink_analyze_link_error(struct elink_params *params, 14353 struct elink_vars *vars, uint32_t status, 14354 uint32_t phy_flag, uint32_t link_flag, uint8_t notify) 14355{ 14356 struct bxe_softc *sc = params->sc; 14357 /* Compare new value with previous value */ 14358 uint8_t led_mode; 14359 uint32_t old_status = (vars->phy_flags & phy_flag) ? 1 : 0; 14360 14361 if ((status ^ old_status) == 0) 14362 return 0; 14363 14364 /* If values differ */ 14365 switch (phy_flag) { 14366 case PHY_HALF_OPEN_CONN_FLAG: 14367 ELINK_DEBUG_P0(sc, "Analyze Remote Fault\n"); 14368 break; 14369 case PHY_SFP_TX_FAULT_FLAG: 14370 ELINK_DEBUG_P0(sc, "Analyze TX Fault\n"); 14371 break; 14372 default: 14373 ELINK_DEBUG_P0(sc, "Analyze UNKNOWN\n"); 14374 } 14375 ELINK_DEBUG_P3(sc, "Link changed:[%x %x]->%x\n", vars->link_up, 14376 old_status, status); 14377 14378 /* Do not touch the link in case physical link down */ 14379 if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) 14380 return 1; 14381 14382 /* a. Update shmem->link_status accordingly 14383 * b. Update elink_vars->link_up 14384 */ 14385 if (status) { 14386 vars->link_status &= ~LINK_STATUS_LINK_UP; 14387 vars->link_status |= link_flag; 14388 vars->link_up = 0; 14389 vars->phy_flags |= phy_flag; 14390 14391 /* activate nig drain */ 14392 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1); 14393 /* Set LED mode to off since the PHY doesn't know about these 14394 * errors 14395 */ 14396 led_mode = ELINK_LED_MODE_OFF; 14397 } else { 14398 vars->link_status |= LINK_STATUS_LINK_UP; 14399 vars->link_status &= ~link_flag; 14400 vars->link_up = 1; 14401 vars->phy_flags &= ~phy_flag; 14402 led_mode = ELINK_LED_MODE_OPER; 14403 14404 /* Clear nig drain */ 14405 REG_WR(sc, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0); 14406 } 14407 elink_sync_link(params, vars); 14408 /* Update the LED according to the link state */ 14409 elink_set_led(params, vars, led_mode, ELINK_SPEED_10000); 14410 14411 /* Update link status in the shared memory */ 14412 elink_update_mng(params, vars->link_status); 14413 14414 /* C. Trigger General Attention */ 14415 vars->periodic_flags |= ELINK_PERIODIC_FLAGS_LINK_EVENT; 14416 if (notify) 14417 elink_cb_notify_link_changed(sc); 14418 14419 return 1; 14420} 14421 14422/****************************************************************************** 14423* Description: 14424* This function checks for half opened connection change indication. 14425* When such change occurs, it calls the elink_analyze_link_error 14426* to check if Remote Fault is set or cleared. Reception of remote fault 14427* status message in the MAC indicates that the peer's MAC has detected 14428* a fault, for example, due to break in the TX side of fiber. 14429* 14430******************************************************************************/ 14431elink_status_t elink_check_half_open_conn(struct elink_params *params, 14432 struct elink_vars *vars, 14433 uint8_t notify) 14434{ 14435 struct bxe_softc *sc = params->sc; 14436 uint32_t lss_status = 0; 14437 uint32_t mac_base; 14438 /* In case link status is physically up @ 10G do */ 14439 if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) || 14440 (REG_RD(sc, NIG_REG_EGRESS_EMAC0_PORT + params->port*4))) 14441 return ELINK_STATUS_OK; 14442 14443 if (CHIP_IS_E3(sc) && 14444 (REG_RD(sc, MISC_REG_RESET_REG_2) & 14445 (MISC_REGISTERS_RESET_REG_2_XMAC))) { 14446 /* Check E3 XMAC */ 14447 /* Note that link speed cannot be queried here, since it may be 14448 * zero while link is down. In case UMAC is active, LSS will 14449 * simply not be set 14450 */ 14451 mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0; 14452 14453 /* Clear stick bits (Requires rising edge) */ 14454 REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0); 14455 REG_WR(sc, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 14456 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS | 14457 XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS); 14458 if (REG_RD(sc, mac_base + XMAC_REG_RX_LSS_STATUS)) 14459 lss_status = 1; 14460 14461 elink_analyze_link_error(params, vars, lss_status, 14462 PHY_HALF_OPEN_CONN_FLAG, 14463 LINK_STATUS_NONE, notify); 14464 } else if (REG_RD(sc, MISC_REG_RESET_REG_2) & 14465 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) { 14466 /* Check E1X / E2 BMAC */ 14467 uint32_t lss_status_reg; 14468 uint32_t wb_data[2]; 14469 mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM : 14470 NIG_REG_INGRESS_BMAC0_MEM; 14471 /* Read BIGMAC_REGISTER_RX_LSS_STATUS */ 14472 if (CHIP_IS_E2(sc)) 14473 lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT; 14474 else 14475 lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS; 14476 14477 REG_RD_DMAE(sc, mac_base + lss_status_reg, wb_data, 2); 14478 lss_status = (wb_data[0] > 0); 14479 14480 elink_analyze_link_error(params, vars, lss_status, 14481 PHY_HALF_OPEN_CONN_FLAG, 14482 LINK_STATUS_NONE, notify); 14483 } 14484 return ELINK_STATUS_OK; 14485} 14486static void elink_sfp_tx_fault_detection(struct elink_phy *phy, 14487 struct elink_params *params, 14488 struct elink_vars *vars) 14489{ 14490 struct bxe_softc *sc = params->sc; 14491 uint32_t cfg_pin, value = 0; 14492 uint8_t led_change, port = params->port; 14493 14494 /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */ 14495 cfg_pin = (REG_RD(sc, params->shmem_base + offsetof(struct shmem_region, 14496 dev_info.port_hw_config[port].e3_cmn_pin_cfg)) & 14497 PORT_HW_CFG_E3_TX_FAULT_MASK) >> 14498 PORT_HW_CFG_E3_TX_FAULT_SHIFT; 14499 14500 if (elink_get_cfg_pin(sc, cfg_pin, &value)) { 14501 ELINK_DEBUG_P1(sc, "Failed to read pin 0x%02x\n", cfg_pin); 14502 return; 14503 } 14504 14505 led_change = elink_analyze_link_error(params, vars, value, 14506 PHY_SFP_TX_FAULT_FLAG, 14507 LINK_STATUS_SFP_TX_FAULT, 1); 14508 14509 if (led_change) { 14510 /* Change TX_Fault led, set link status for further syncs */ 14511 uint8_t led_mode; 14512 14513 if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) { 14514 led_mode = MISC_REGISTERS_GPIO_HIGH; 14515 vars->link_status |= LINK_STATUS_SFP_TX_FAULT; 14516 } else { 14517 led_mode = MISC_REGISTERS_GPIO_LOW; 14518 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 14519 } 14520 14521 /* If module is unapproved, led should be on regardless */ 14522 if (!(phy->flags & ELINK_FLAGS_SFP_NOT_APPROVED)) { 14523 ELINK_DEBUG_P1(sc, "Change TX_Fault LED: ->%x\n", 14524 led_mode); 14525 elink_set_e3_module_fault_led(params, led_mode); 14526 } 14527 } 14528} 14529static void elink_kr2_recovery(struct elink_params *params, 14530 struct elink_vars *vars, 14531 struct elink_phy *phy) 14532{ 14533 struct bxe_softc *sc = params->sc; 14534 ELINK_DEBUG_P0(sc, "KR2 recovery\n"); 14535 elink_warpcore_enable_AN_KR2(phy, params, vars); 14536 elink_warpcore_restart_AN_KR(phy, params); 14537} 14538 14539static void elink_check_kr2_wa(struct elink_params *params, 14540 struct elink_vars *vars, 14541 struct elink_phy *phy) 14542{ 14543 struct bxe_softc *sc = params->sc; 14544 uint16_t base_page, next_page, not_kr2_device, lane; 14545 int sigdet; 14546 14547 /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery 14548 * Since some switches tend to reinit the AN process and clear the 14549 * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled 14550 * and recovered many times 14551 */ 14552 if (vars->check_kr2_recovery_cnt > 0) { 14553 vars->check_kr2_recovery_cnt--; 14554 return; 14555 } 14556 14557 sigdet = elink_warpcore_get_sigdet(phy, params); 14558 if (!sigdet) { 14559 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { 14560 elink_kr2_recovery(params, vars, phy); 14561 ELINK_DEBUG_P0(sc, "No sigdet\n"); 14562 } 14563 return; 14564 } 14565 14566 lane = elink_get_warpcore_lane(phy, params); 14567 CL22_WR_OVER_CL45(sc, phy, MDIO_REG_BANK_AER_BLOCK, 14568 MDIO_AER_BLOCK_AER_REG, lane); 14569 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 14570 MDIO_AN_REG_LP_AUTO_NEG, &base_page); 14571 elink_cl45_read(sc, phy, MDIO_AN_DEVAD, 14572 MDIO_AN_REG_LP_AUTO_NEG2, &next_page); 14573 elink_set_aer_mmd(params, phy); 14574 14575 /* CL73 has not begun yet */ 14576 if (base_page == 0) { 14577 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { 14578 elink_kr2_recovery(params, vars, phy); 14579 ELINK_DEBUG_P0(sc, "No BP\n"); 14580 } 14581 return; 14582 } 14583 14584 /* In case NP bit is not set in the BasePage, or it is set, 14585 * but only KX is advertised, declare this link partner as non-KR2 14586 * device. 14587 */ 14588 not_kr2_device = (((base_page & 0x8000) == 0) || 14589 (((base_page & 0x8000) && 14590 ((next_page & 0xe0) == 0x2)))); 14591 14592 /* In case KR2 is already disabled, check if we need to re-enable it */ 14593 if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) { 14594 if (!not_kr2_device) { 14595 ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page, 14596 next_page); 14597 elink_kr2_recovery(params, vars, phy); 14598 } 14599 return; 14600 } 14601 /* KR2 is enabled, but not KR2 device */ 14602 if (not_kr2_device) { 14603 /* Disable KR2 on both lanes */ 14604 ELINK_DEBUG_P2(sc, "BP=0x%x, NP=0x%x\n", base_page, next_page); 14605 elink_disable_kr2(params, vars, phy); 14606 /* Restart AN on leading lane */ 14607 elink_warpcore_restart_AN_KR(phy, params); 14608 return; 14609 } 14610} 14611 14612void elink_period_func(struct elink_params *params, struct elink_vars *vars) 14613{ 14614 uint16_t phy_idx; 14615 struct bxe_softc *sc = params->sc; 14616 for (phy_idx = ELINK_INT_PHY; phy_idx < ELINK_MAX_PHYS; phy_idx++) { 14617 if (params->phy[phy_idx].flags & ELINK_FLAGS_TX_ERROR_CHECK) { 14618 elink_set_aer_mmd(params, ¶ms->phy[phy_idx]); 14619 if (elink_check_half_open_conn(params, vars, 1) != 14620 ELINK_STATUS_OK) 14621 ELINK_DEBUG_P0(sc, "Fault detection failed\n"); 14622 break; 14623 } 14624 } 14625 14626 if (CHIP_IS_E3(sc)) { 14627 struct elink_phy *phy = ¶ms->phy[ELINK_INT_PHY]; 14628 elink_set_aer_mmd(params, phy); 14629 if ((phy->supported & ELINK_SUPPORTED_20000baseKR2_Full) && 14630 (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) 14631 elink_check_kr2_wa(params, vars, phy); 14632 elink_check_over_curr(params, vars); 14633 if (vars->rx_tx_asic_rst) 14634 elink_warpcore_config_runtime(phy, params, vars); 14635 14636 if ((REG_RD(sc, params->shmem_base + 14637 offsetof(struct shmem_region, dev_info. 14638 port_hw_config[params->port].default_cfg)) 14639 & PORT_HW_CFG_NET_SERDES_IF_MASK) == 14640 PORT_HW_CFG_NET_SERDES_IF_SFI) { 14641 if (elink_is_sfp_module_plugged(phy, params)) { 14642 elink_sfp_tx_fault_detection(phy, params, vars); 14643 } else if (vars->link_status & 14644 LINK_STATUS_SFP_TX_FAULT) { 14645 /* Clean trail, interrupt corrects the leds */ 14646 vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT; 14647 vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG; 14648 /* Update link status in the shared memory */ 14649 elink_update_mng(params, vars->link_status); 14650 } 14651 } 14652 } 14653} 14654 14655uint8_t elink_fan_failure_det_req(struct bxe_softc *sc, 14656 uint32_t shmem_base, 14657 uint32_t shmem2_base, 14658 uint8_t port) 14659{ 14660 uint8_t phy_index, fan_failure_det_req = 0; 14661 struct elink_phy phy; 14662 for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS; 14663 phy_index++) { 14664 if (elink_populate_phy(sc, phy_index, shmem_base, shmem2_base, 14665 port, &phy) 14666 != ELINK_STATUS_OK) { 14667 ELINK_DEBUG_P0(sc, "populate phy failed\n"); 14668 return 0; 14669 } 14670 fan_failure_det_req |= (phy.flags & 14671 ELINK_FLAGS_FAN_FAILURE_DET_REQ); 14672 } 14673 return fan_failure_det_req; 14674} 14675 14676void elink_hw_reset_phy(struct elink_params *params) 14677{ 14678 uint8_t phy_index; 14679 struct bxe_softc *sc = params->sc; 14680 elink_update_mng(params, 0); 14681 elink_bits_dis(sc, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4, 14682 (ELINK_NIG_MASK_XGXS0_LINK_STATUS | 14683 ELINK_NIG_MASK_XGXS0_LINK10G | 14684 ELINK_NIG_MASK_SERDES0_LINK_STATUS | 14685 ELINK_NIG_MASK_MI_INT)); 14686 14687 for (phy_index = ELINK_INT_PHY; phy_index < ELINK_MAX_PHYS; 14688 phy_index++) { 14689 if (params->phy[phy_index].hw_reset) { 14690 params->phy[phy_index].hw_reset( 14691 ¶ms->phy[phy_index], 14692 params); 14693 params->phy[phy_index] = phy_null; 14694 } 14695 } 14696} 14697 14698void elink_init_mod_abs_int(struct bxe_softc *sc, struct elink_vars *vars, 14699 uint32_t chip_id, uint32_t shmem_base, uint32_t shmem2_base, 14700 uint8_t port) 14701{ 14702 uint8_t gpio_num = 0xff, gpio_port = 0xff, phy_index; 14703 uint32_t val; 14704 uint32_t offset, aeu_mask, swap_val, swap_override, sync_offset; 14705 if (CHIP_IS_E3(sc)) { 14706 if (elink_get_mod_abs_int_cfg(sc, chip_id, 14707 shmem_base, 14708 port, 14709 &gpio_num, 14710 &gpio_port) != ELINK_STATUS_OK) 14711 return; 14712 } else { 14713 struct elink_phy phy; 14714 for (phy_index = ELINK_EXT_PHY1; phy_index < ELINK_MAX_PHYS; 14715 phy_index++) { 14716 if (elink_populate_phy(sc, phy_index, shmem_base, 14717 shmem2_base, port, &phy) 14718 != ELINK_STATUS_OK) { 14719 ELINK_DEBUG_P0(sc, "populate phy failed\n"); 14720 return; 14721 } 14722 if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) { 14723 gpio_num = MISC_REGISTERS_GPIO_3; 14724 gpio_port = port; 14725 break; 14726 } 14727 } 14728 } 14729 14730 if (gpio_num == 0xff) 14731 return; 14732 14733 /* Set GPIO3 to trigger SFP+ module insertion/removal */ 14734 elink_cb_gpio_write(sc, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port); 14735 14736 swap_val = REG_RD(sc, NIG_REG_PORT_SWAP); 14737 swap_override = REG_RD(sc, NIG_REG_STRAP_OVERRIDE); 14738 gpio_port ^= (swap_val && swap_override); 14739 14740 vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 << 14741 (gpio_num + (gpio_port << 2)); 14742 14743 sync_offset = shmem_base + 14744 offsetof(struct shmem_region, 14745 dev_info.port_hw_config[port].aeu_int_mask); 14746 REG_WR(sc, sync_offset, vars->aeu_int_mask); 14747 14748 ELINK_DEBUG_P3(sc, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n", 14749 gpio_num, gpio_port, vars->aeu_int_mask); 14750 14751 if (port == 0) 14752 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0; 14753 else 14754 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0; 14755 14756 /* Open appropriate AEU for interrupts */ 14757 aeu_mask = REG_RD(sc, offset); 14758 aeu_mask |= vars->aeu_int_mask; 14759 REG_WR(sc, offset, aeu_mask); 14760 14761 /* Enable the GPIO to trigger interrupt */ 14762 val = REG_RD(sc, MISC_REG_GPIO_EVENT_EN); 14763 val |= 1 << (gpio_num + (gpio_port << 2)); 14764 REG_WR(sc, MISC_REG_GPIO_EVENT_EN, val); 14765} 14766 14767