linux/drivers/ntb/ntb_regs.h
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   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_ENABLE         0x0000
  50#define NTB_LINK_DISABLE        0x0002
  51#define NTB_LINK_STATUS_ACTIVE  0x2000
  52#define NTB_LINK_SPEED_MASK     0x000f
  53#define NTB_LINK_WIDTH_MASK     0x03f0
  54
  55#define SNB_MSIX_CNT            4
  56#define SNB_MAX_SPADS           16
  57#define SNB_MAX_COMPAT_SPADS    8
  58/* Reserve the uppermost bit for link interrupt */
  59#define SNB_MAX_DB_BITS         15
  60#define SNB_DB_BITS_PER_VEC     5
  61
  62#define SNB_DB_HW_LINK          0x8000
  63
  64#define SNB_PCICMD_OFFSET       0x0504
  65#define SNB_DEVCTRL_OFFSET      0x0598
  66#define SNB_LINK_STATUS_OFFSET  0x01A2
  67
  68#define SNB_PBAR2LMT_OFFSET     0x0000
  69#define SNB_PBAR4LMT_OFFSET     0x0008
  70#define SNB_PBAR2XLAT_OFFSET    0x0010
  71#define SNB_PBAR4XLAT_OFFSET    0x0018
  72#define SNB_SBAR2LMT_OFFSET     0x0020
  73#define SNB_SBAR4LMT_OFFSET     0x0028
  74#define SNB_SBAR2XLAT_OFFSET    0x0030
  75#define SNB_SBAR4XLAT_OFFSET    0x0038
  76#define SNB_SBAR0BASE_OFFSET    0x0040
  77#define SNB_SBAR2BASE_OFFSET    0x0048
  78#define SNB_SBAR4BASE_OFFSET    0x0050
  79#define SNB_NTBCNTL_OFFSET      0x0058
  80#define SNB_SBDF_OFFSET         0x005C
  81#define SNB_PDOORBELL_OFFSET    0x0060
  82#define SNB_PDBMSK_OFFSET       0x0062
  83#define SNB_SDOORBELL_OFFSET    0x0064
  84#define SNB_SDBMSK_OFFSET       0x0066
  85#define SNB_USMEMMISS           0x0070
  86#define SNB_SPAD_OFFSET         0x0080
  87#define SNB_SPADSEMA4_OFFSET    0x00c0
  88#define SNB_WCCNTRL_OFFSET      0x00e0
  89#define SNB_B2B_SPAD_OFFSET     0x0100
  90#define SNB_B2B_DOORBELL_OFFSET 0x0140
  91#define SNB_B2B_XLAT_OFFSET     0x0144
  92
  93#define BWD_MSIX_CNT            34
  94#define BWD_MAX_SPADS           16
  95#define BWD_MAX_COMPAT_SPADS    16
  96#define BWD_MAX_DB_BITS         34
  97#define BWD_DB_BITS_PER_VEC     1
  98
  99#define BWD_PCICMD_OFFSET       0xb004
 100#define BWD_MBAR23_OFFSET       0xb018
 101#define BWD_MBAR45_OFFSET       0xb020
 102#define BWD_DEVCTRL_OFFSET      0xb048
 103#define BWD_LINK_STATUS_OFFSET  0xb052
 104
 105#define BWD_SBAR2XLAT_OFFSET    0x0008
 106#define BWD_SBAR4XLAT_OFFSET    0x0010
 107#define BWD_PDOORBELL_OFFSET    0x0020
 108#define BWD_PDBMSK_OFFSET       0x0028
 109#define BWD_NTBCNTL_OFFSET      0x0060
 110#define BWD_EBDF_OFFSET         0x0064
 111#define BWD_SPAD_OFFSET         0x0080
 112#define BWD_SPADSEMA_OFFSET     0x00c0
 113#define BWD_STKYSPAD_OFFSET     0x00c4
 114#define BWD_PBAR2XLAT_OFFSET    0x8008
 115#define BWD_PBAR4XLAT_OFFSET    0x8010
 116#define BWD_B2B_DOORBELL_OFFSET 0x8020
 117#define BWD_B2B_SPAD_OFFSET     0x8080
 118#define BWD_B2B_SPADSEMA_OFFSET 0x80c0
 119#define BWD_B2B_STKYSPAD_OFFSET 0x80c4
 120
 121#define NTB_CNTL_BAR23_SNOOP    (1 << 2)
 122#define NTB_CNTL_BAR45_SNOOP    (1 << 6)
 123#define BWD_CNTL_LINK_DOWN      (1 << 16)
 124
 125#define NTB_PPD_OFFSET          0x00D4
 126#define SNB_PPD_CONN_TYPE       0x0003
 127#define SNB_PPD_DEV_TYPE        0x0010
 128#define BWD_PPD_INIT_LINK       0x0008
 129#define BWD_PPD_CONN_TYPE       0x0300
 130#define BWD_PPD_DEV_TYPE        0x1000
 131
 132#define BWD_PBAR2XLAT_USD_ADDR  0x0000004000000000
 133#define BWD_PBAR4XLAT_USD_ADDR  0x0000008000000000
 134#define BWD_MBAR23_USD_ADDR     0x000000410000000C
 135#define BWD_MBAR45_USD_ADDR     0x000000810000000C
 136#define BWD_PBAR2XLAT_DSD_ADDR  0x0000004100000000
 137#define BWD_PBAR4XLAT_DSD_ADDR  0x0000008100000000
 138#define BWD_MBAR23_DSD_ADDR     0x000000400000000C
 139#define BWD_MBAR45_DSD_ADDR     0x000000800000000C
 140
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