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ntb_regs.h
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/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* BSD LICENSE
*
* Copyright(c) 2012 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copy
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Intel PCIe NTB Linux driver
*
* Contact Information:
* Jon Mason <[email protected]>
*/
#define NTB_LINK_STATUS_ACTIVE 0x2000
#define NTB_LINK_SPEED_MASK 0x000f
#define NTB_LINK_WIDTH_MASK 0x03f0
#define SNB_MSIX_CNT 4
#define SNB_MAX_B2B_SPADS 16
#define SNB_MAX_COMPAT_SPADS 16
/* Reserve the uppermost bit for link interrupt */
#define SNB_MAX_DB_BITS 15
#define SNB_LINK_DB 15
#define SNB_DB_BITS_PER_VEC 5
#define SNB_MAX_MW 2
#define SNB_ERRATA_MAX_MW 1
#define SNB_DB_HW_LINK 0x8000
#define SNB_PCICMD_OFFSET 0x0504
#define SNB_DEVCTRL_OFFSET 0x0598
#define SNB_SLINK_STATUS_OFFSET 0x05A2
#define SNB_LINK_STATUS_OFFSET 0x01A2
#define SNB_PBAR2LMT_OFFSET 0x0000
#define SNB_PBAR4LMT_OFFSET 0x0008
#define SNB_PBAR2XLAT_OFFSET 0x0010
#define SNB_PBAR4XLAT_OFFSET 0x0018
#define SNB_SBAR2LMT_OFFSET 0x0020
#define SNB_SBAR4LMT_OFFSET 0x0028
#define SNB_SBAR2XLAT_OFFSET 0x0030
#define SNB_SBAR4XLAT_OFFSET 0x0038
#define SNB_SBAR0BASE_OFFSET 0x0040
#define SNB_SBAR2BASE_OFFSET 0x0048
#define SNB_SBAR4BASE_OFFSET 0x0050
#define SNB_NTBCNTL_OFFSET 0x0058
#define SNB_SBDF_OFFSET 0x005C
#define SNB_PDOORBELL_OFFSET 0x0060
#define SNB_PDBMSK_OFFSET 0x0062
#define SNB_SDOORBELL_OFFSET 0x0064
#define SNB_SDBMSK_OFFSET 0x0066
#define SNB_USMEMMISS 0x0070
#define SNB_SPAD_OFFSET 0x0080
#define SNB_SPADSEMA4_OFFSET 0x00c0
#define SNB_WCCNTRL_OFFSET 0x00e0
#define SNB_B2B_SPAD_OFFSET 0x0100
#define SNB_B2B_DOORBELL_OFFSET 0x0140
#define SNB_B2B_XLAT_OFFSETL 0x0144
#define SNB_B2B_XLAT_OFFSETU 0x0148
#define SNB_MBAR01_USD_ADDR 0x000000210000000CULL
#define SNB_MBAR23_USD_ADDR 0x000000410000000CULL
#define SNB_MBAR45_USD_ADDR 0x000000810000000CULL
#define SNB_MBAR01_DSD_ADDR 0x000000200000000CULL
#define SNB_MBAR23_DSD_ADDR 0x000000400000000CULL
#define SNB_MBAR45_DSD_ADDR 0x000000800000000CULL
#define BWD_MSIX_CNT 34
#define BWD_MAX_SPADS 16
#define BWD_MAX_DB_BITS 34
#define BWD_DB_BITS_PER_VEC 1
#define BWD_MAX_MW 2
#define BWD_PCICMD_OFFSET 0xb004
#define BWD_MBAR23_OFFSET 0xb018
#define BWD_MBAR45_OFFSET 0xb020
#define BWD_DEVCTRL_OFFSET 0xb048
#define BWD_LINK_STATUS_OFFSET 0xb052
#define BWD_ERRCORSTS_OFFSET 0xb110
#define BWD_SBAR2XLAT_OFFSET 0x0008
#define BWD_SBAR4XLAT_OFFSET 0x0010
#define BWD_PDOORBELL_OFFSET 0x0020
#define BWD_PDBMSK_OFFSET 0x0028
#define BWD_NTBCNTL_OFFSET 0x0060
#define BWD_EBDF_OFFSET 0x0064
#define BWD_SPAD_OFFSET 0x0080
#define BWD_SPADSEMA_OFFSET 0x00c0
#define BWD_STKYSPAD_OFFSET 0x00c4
#define BWD_PBAR2XLAT_OFFSET 0x8008
#define BWD_PBAR4XLAT_OFFSET 0x8010
#define BWD_B2B_DOORBELL_OFFSET 0x8020
#define BWD_B2B_SPAD_OFFSET 0x8080
#define BWD_B2B_SPADSEMA_OFFSET 0x80c0
#define BWD_B2B_STKYSPAD_OFFSET 0x80c4
#define BWD_MODPHY_PCSREG4 0x1c004
#define BWD_MODPHY_PCSREG6 0x1c006
#define BWD_IP_BASE 0xC000
#define BWD_DESKEWSTS_OFFSET (BWD_IP_BASE + 0x3024)
#define BWD_LTSSMERRSTS0_OFFSET (BWD_IP_BASE + 0x3180)
#define BWD_LTSSMSTATEJMP_OFFSET (BWD_IP_BASE + 0x3040)
#define BWD_IBSTERRRCRVSTS0_OFFSET (BWD_IP_BASE + 0x3324)
#define BWD_DESKEWSTS_DBERR (1 << 15)
#define BWD_LTSSMERRSTS0_UNEXPECTEDEI (1 << 20)
#define BWD_LTSSMSTATEJMP_FORCEDETECT (1 << 2)
#define BWD_IBIST_ERR_OFLOW 0x7FFF7FFF
#define NTB_CNTL_CFG_LOCK (1 << 0)
#define NTB_CNTL_LINK_DISABLE (1 << 1)
#define NTB_CNTL_S2P_BAR23_SNOOP (1 << 2)
#define NTB_CNTL_P2S_BAR23_SNOOP (1 << 4)
#define NTB_CNTL_S2P_BAR45_SNOOP (1 << 6)
#define NTB_CNTL_P2S_BAR45_SNOOP (1 << 8)
#define BWD_CNTL_LINK_DOWN (1 << 16)
#define NTB_PPD_OFFSET 0x00D4
#define SNB_PPD_CONN_TYPE 0x0003
#define SNB_PPD_DEV_TYPE 0x0010
#define BWD_PPD_INIT_LINK 0x0008
#define BWD_PPD_CONN_TYPE 0x0300
#define BWD_PPD_DEV_TYPE 0x1000