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 PTP_GMAC4_OFFSET 0xb00 29 #define PTP_GMAC3_X_OFFSET 0x700 30 31 /* IEEE 1588 PTP register offsets */ 32 #define PTP_TCR 0x00 /* Timestamp Control Reg */ 33 #define PTP_SSIR 0x04 /* Sub-Second Increment Reg */ 34 #define PTP_STSR 0x08 /* System Time – Seconds Regr */ 35 #define PTP_STNSR 0x0c /* System Time – Nanoseconds Reg */ 36 #define PTP_STSUR 0x10 /* System Time – Seconds Update Reg */ 37 #define PTP_STNSUR 0x14 /* System Time – Nanoseconds Update Reg */ 38 #define PTP_TAR 0x18 /* Timestamp Addend Reg */ 39 40 #define PTP_STNSUR_ADDSUB_SHIFT 31 41 #define PTP_DIGITAL_ROLLOVER_MODE 0x3B9ACA00 /* 10e9-1 ns */ 42 #define PTP_BINARY_ROLLOVER_MODE 0x80000000 /* ~0.466 ns */ 43 44 /* PTP Timestamp control register defines */ 45 #define PTP_TCR_TSENA BIT(0) /* Timestamp Enable */ 46 #define PTP_TCR_TSCFUPDT BIT(1) /* Timestamp Fine/Coarse Update */ 47 #define PTP_TCR_TSINIT BIT(2) /* Timestamp Initialize */ 48 #define PTP_TCR_TSUPDT BIT(3) /* Timestamp Update */ 49 #define PTP_TCR_TSTRIG BIT(4) /* Timestamp Interrupt Trigger Enable */ 50 #define PTP_TCR_TSADDREG BIT(5) /* Addend Reg Update */ 51 #define PTP_TCR_TSENALL BIT(8) /* Enable Timestamp for All Frames */ 52 #define PTP_TCR_TSCTRLSSR BIT(9) /* Digital or Binary Rollover Control */ 53 /* Enable PTP packet Processing for Version 2 Format */ 54 #define PTP_TCR_TSVER2ENA BIT(10) 55 /* Enable Processing of PTP over Ethernet Frames */ 56 #define PTP_TCR_TSIPENA BIT(11) 57 /* Enable Processing of PTP Frames Sent over IPv6-UDP */ 58 #define PTP_TCR_TSIPV6ENA BIT(12) 59 /* Enable Processing of PTP Frames Sent over IPv4-UDP */ 60 #define PTP_TCR_TSIPV4ENA BIT(13) 61 /* Enable Timestamp Snapshot for Event Messages */ 62 #define PTP_TCR_TSEVNTENA BIT(14) 63 /* Enable Snapshot for Messages Relevant to Master */ 64 #define PTP_TCR_TSMSTRENA BIT(15) 65 /* Select PTP packets for Taking Snapshots */ 66 #define PTP_TCR_SNAPTYPSEL_1 GENMASK(17, 16) 67 /* Enable MAC address for PTP Frame Filtering */ 68 #define PTP_TCR_TSENMACADDR BIT(18) 69 70 /* SSIR defines */ 71 #define PTP_SSIR_SSINC_MASK 0xff 72 #define GMAC4_PTP_SSIR_SSINC_SHIFT 16 73 74 #endif /* __STMMAC_PTP_H__ */ 75