drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h

   1 /******************************************************************************
   2   PTP Header file
   3
   4   Copyright (C) 2013  Vayavya Labs Pvt Ltd
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Author: Rayagond Kokatanur <rayagond@vayavyalabs.com>
  23 ******************************************************************************/
  24
  25 #ifndef __STMMAC_PTP_H__
  26 #define __STMMAC_PTP_H__
  27
  28 #define STMMAC_SYSCLOCK 62500000
  29
  30 /* IEEE 1588 PTP register offsets */
  31 #define PTP_TCR         0x0700  /* Timestamp Control Reg */
  32 #define PTP_SSIR        0x0704  /* Sub-Second Increment Reg */
  33 #define PTP_STSR        0x0708  /* System Time – Seconds Regr */
  34 #define PTP_STNSR       0x070C  /* System Time – Nanoseconds Reg */
  35 #define PTP_STSUR       0x0710  /* System Time – Seconds Update Reg */
  36 #define PTP_STNSUR      0x0714  /* System Time – Nanoseconds Update Reg */
  37 #define PTP_TAR         0x0718  /* Timestamp Addend Reg */
  38 #define PTP_TTSR        0x071C  /* Target Time Seconds Reg */
  39 #define PTP_TTNSR       0x0720  /* Target Time Nanoseconds Reg */
  40 #define PTP_STHWSR      0x0724  /* System Time - Higher Word Seconds Reg */
  41 #define PTP_TSR         0x0728  /* Timestamp Status */
  42
  43 #define PTP_STNSUR_ADDSUB_SHIFT 31
  44
  45 /* PTP TCR defines */
  46 #define PTP_TCR_TSENA           0x00000001 /* Timestamp Enable */
  47 #define PTP_TCR_TSCFUPDT        0x00000002 /* Timestamp Fine/Coarse Update */
  48 #define PTP_TCR_TSINIT          0x00000004 /* Timestamp Initialize */
  49 #define PTP_TCR_TSUPDT          0x00000008 /* Timestamp Update */
  50 /* Timestamp Interrupt Trigger Enable */
  51 #define PTP_TCR_TSTRIG          0x00000010
  52 #define PTP_TCR_TSADDREG        0x00000020 /* Addend Reg Update */
  53 #define PTP_TCR_TSENALL         0x00000100 /* Enable Timestamp for All Frames */
  54 /* Timestamp Digital or Binary Rollover Control */
  55 #define PTP_TCR_TSCTRLSSR       0x00000200
  56
  57 /* Enable PTP packet Processing for Version 2 Format */
  58 #define PTP_TCR_TSVER2ENA       0x00000400
  59 /* Enable Processing of PTP over Ethernet Frames */
  60 #define PTP_TCR_TSIPENA         0x00000800
  61 /* Enable Processing of PTP Frames Sent over IPv6-UDP */
  62 #define PTP_TCR_TSIPV6ENA       0x00001000
  63 /* Enable Processing of PTP Frames Sent over IPv4-UDP */
  64 #define PTP_TCR_TSIPV4ENA       0x00002000
  65 /* Enable Timestamp Snapshot for Event Messages */
  66 #define PTP_TCR_TSEVNTENA       0x00004000
  67 /* Enable Snapshot for Messages Relevant to Master */
  68 #define PTP_TCR_TSMSTRENA       0x00008000
  69 /* Select PTP packets for Taking Snapshots */
  70 #define PTP_TCR_SNAPTYPSEL_1    0x00010000
  71 /* Enable MAC address for PTP Frame Filtering */
  72 #define PTP_TCR_TSENMACADDR     0x00040000
  73
  74 #endif /* __STMMAC_PTP_H__ */