1 /* 2 * This file is provided under a dual BSD/GPLv2 license. When using or 3 * redistributing this file, you may do so under either license. 4 * 5 * GPL LICENSE SUMMARY 6 * 7 * Copyright(c) 2012 Intel Corporation. All rights reserved. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of version 2 of the GNU General Public License as 11 * published by the Free Software Foundation. 12 * 13 * BSD LICENSE 14 * 15 * Copyright(c) 2012 Intel Corporation. All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 21 * * Redistributions of source code must retain the above copyright 22 * notice, this list of conditions and the following disclaimer. 23 * * Redistributions in binary form must reproduce the above copy 24 * notice, this list of conditions and the following disclaimer in 25 * the documentation and/or other materials provided with the 26 * distribution. 27 * * Neither the name of Intel Corporation nor the names of its 28 * contributors may be used to endorse or promote products derived 29 * from this software without specific prior written permission. 30 * 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 37 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 41 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 42 * 43 * Intel PCIe NTB Linux driver 44 * 45 * Contact Information: 46 * Jon Mason <jon.mason@intel.com> 47 */ 48 49 #define NTB_LINK_STATUS_ACTIVE 0x2000 50 #define NTB_LINK_SPEED_MASK 0x000f 51 #define NTB_LINK_WIDTH_MASK 0x03f0 52 53 #define SNB_MSIX_CNT 4 54 #define SNB_MAX_B2B_SPADS 16 55 #define SNB_MAX_COMPAT_SPADS 16 56 /* Reserve the uppermost bit for link interrupt */ 57 #define SNB_MAX_DB_BITS 15 58 #define SNB_LINK_DB 15 59 #define SNB_DB_BITS_PER_VEC 5 60 #define HSX_SPLITBAR_MAX_MW 3 61 #define SNB_MAX_MW 2 62 #define SNB_ERRATA_MAX_MW 1 63 64 #define SNB_DB_HW_LINK 0x8000 65 66 #define SNB_UNCERRSTS_OFFSET 0x014C 67 #define SNB_CORERRSTS_OFFSET 0x0158 68 #define SNB_LINK_STATUS_OFFSET 0x01A2 69 #define SNB_PCICMD_OFFSET 0x0504 70 #define SNB_DEVCTRL_OFFSET 0x0598 71 #define SNB_DEVSTS_OFFSET 0x059A 72 #define SNB_SLINK_STATUS_OFFSET 0x05A2 73 74 #define SNB_PBAR2LMT_OFFSET 0x0000 75 #define SNB_PBAR4LMT_OFFSET 0x0008 76 #define SNB_PBAR5LMT_OFFSET 0x000C 77 #define SNB_PBAR2XLAT_OFFSET 0x0010 78 #define SNB_PBAR4XLAT_OFFSET 0x0018 79 #define SNB_PBAR5XLAT_OFFSET 0x001C 80 #define SNB_SBAR2LMT_OFFSET 0x0020 81 #define SNB_SBAR4LMT_OFFSET 0x0028 82 #define SNB_SBAR5LMT_OFFSET 0x002C 83 #define SNB_SBAR2XLAT_OFFSET 0x0030 84 #define SNB_SBAR4XLAT_OFFSET 0x0038 85 #define SNB_SBAR5XLAT_OFFSET 0x003C 86 #define SNB_SBAR0BASE_OFFSET 0x0040 87 #define SNB_SBAR2BASE_OFFSET 0x0048 88 #define SNB_SBAR4BASE_OFFSET 0x0050 89 #define SNB_SBAR5BASE_OFFSET 0x0054 90 #define SNB_NTBCNTL_OFFSET 0x0058 91 #define SNB_SBDF_OFFSET 0x005C 92 #define SNB_PDOORBELL_OFFSET 0x0060 93 #define SNB_PDBMSK_OFFSET 0x0062 94 #define SNB_SDOORBELL_OFFSET 0x0064 95 #define SNB_SDBMSK_OFFSET 0x0066 96 #define SNB_USMEMMISS_OFFSET 0x0070 97 #define SNB_SPAD_OFFSET 0x0080 98 #define SNB_SPADSEMA4_OFFSET 0x00c0 99 #define SNB_WCCNTRL_OFFSET 0x00e0 100 #define SNB_B2B_SPAD_OFFSET 0x0100 101 #define SNB_B2B_DOORBELL_OFFSET 0x0140 102 #define SNB_B2B_XLAT_OFFSETL 0x0144 103 #define SNB_B2B_XLAT_OFFSETU 0x0148 104 105 /* 106 * The addresses are setup so the 32bit BARs can function. Thus 107 * the addresses are all in 32bit space 108 */ 109 #define SNB_MBAR01_USD_ADDR 0x000000002100000CULL 110 #define SNB_MBAR23_USD_ADDR 0x000000004100000CULL 111 #define SNB_MBAR4_USD_ADDR 0x000000008100000CULL 112 #define SNB_MBAR5_USD_ADDR 0x00000000A100000CULL 113 #define SNB_MBAR01_DSD_ADDR 0x000000002000000CULL 114 #define SNB_MBAR23_DSD_ADDR 0x000000004000000CULL 115 #define SNB_MBAR4_DSD_ADDR 0x000000008000000CULL 116 #define SNB_MBAR5_DSD_ADDR 0x00000000A000000CULL 117 118 #define BWD_MSIX_CNT 34 119 #define BWD_MAX_SPADS 16 120 #define BWD_MAX_DB_BITS 34 121 #define BWD_DB_BITS_PER_VEC 1 122 #define BWD_MAX_MW 2 123 124 #define BWD_PCICMD_OFFSET 0xb004 125 #define BWD_MBAR23_OFFSET 0xb018 126 #define BWD_MBAR45_OFFSET 0xb020 127 #define BWD_DEVCTRL_OFFSET 0xb048 128 #define BWD_LINK_STATUS_OFFSET 0xb052 129 #define BWD_ERRCORSTS_OFFSET 0xb110 130 131 #define BWD_SBAR2XLAT_OFFSET 0x0008 132 #define BWD_SBAR4XLAT_OFFSET 0x0010 133 #define BWD_PDOORBELL_OFFSET 0x0020 134 #define BWD_PDBMSK_OFFSET 0x0028 135 #define BWD_NTBCNTL_OFFSET 0x0060 136 #define BWD_EBDF_OFFSET 0x0064 137 #define BWD_SPAD_OFFSET 0x0080 138 #define BWD_SPADSEMA_OFFSET 0x00c0 139 #define BWD_STKYSPAD_OFFSET 0x00c4 140 #define BWD_PBAR2XLAT_OFFSET 0x8008 141 #define BWD_PBAR4XLAT_OFFSET 0x8010 142 #define BWD_B2B_DOORBELL_OFFSET 0x8020 143 #define BWD_B2B_SPAD_OFFSET 0x8080 144 #define BWD_B2B_SPADSEMA_OFFSET 0x80c0 145 #define BWD_B2B_STKYSPAD_OFFSET 0x80c4 146 147 #define BWD_MODPHY_PCSREG4 0x1c004 148 #define BWD_MODPHY_PCSREG6 0x1c006 149 150 #define BWD_IP_BASE 0xC000 151 #define BWD_DESKEWSTS_OFFSET (BWD_IP_BASE + 0x3024) 152 #define BWD_LTSSMERRSTS0_OFFSET (BWD_IP_BASE + 0x3180) 153 #define BWD_LTSSMSTATEJMP_OFFSET (BWD_IP_BASE + 0x3040) 154 #define BWD_IBSTERRRCRVSTS0_OFFSET (BWD_IP_BASE + 0x3324) 155 156 #define BWD_DESKEWSTS_DBERR (1 << 15) 157 #define BWD_LTSSMERRSTS0_UNEXPECTEDEI (1 << 20) 158 #define BWD_LTSSMSTATEJMP_FORCEDETECT (1 << 2) 159 #define BWD_IBIST_ERR_OFLOW 0x7FFF7FFF 160 161 #define NTB_CNTL_CFG_LOCK (1 << 0) 162 #define NTB_CNTL_LINK_DISABLE (1 << 1) 163 #define NTB_CNTL_S2P_BAR23_SNOOP (1 << 2) 164 #define NTB_CNTL_P2S_BAR23_SNOOP (1 << 4) 165 #define NTB_CNTL_S2P_BAR4_SNOOP (1 << 6) 166 #define NTB_CNTL_P2S_BAR4_SNOOP (1 << 8) 167 #define NTB_CNTL_S2P_BAR5_SNOOP (1 << 12) 168 #define NTB_CNTL_P2S_BAR5_SNOOP (1 << 14) 169 #define BWD_CNTL_LINK_DOWN (1 << 16) 170 171 #define NTB_PPD_OFFSET 0x00D4 172 #define SNB_PPD_CONN_TYPE 0x0003 173 #define SNB_PPD_DEV_TYPE 0x0010 174 #define SNB_PPD_SPLIT_BAR (1 << 6) 175 #define BWD_PPD_INIT_LINK 0x0008 176 #define BWD_PPD_CONN_TYPE 0x0300 177 #define BWD_PPD_DEV_TYPE 0x1000 178