1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /****************************************************************************** 3 PTP Header file 4 5 Copyright (C) 2013 Vayavya Labs Pvt Ltd 6 7 8 Author: Rayagond Kokatanur <rayagond@vayavyalabs.com> 9 ******************************************************************************/ 10 11 #ifndef __STMMAC_PTP_H__ 12 #define __STMMAC_PTP_H__ 13 14 #define PTP_XGMAC_OFFSET 0xd00 15 #define PTP_GMAC4_OFFSET 0xb00 16 #define PTP_GMAC3_X_OFFSET 0x700 17 18 /* IEEE 1588 PTP register offsets */ 19 #define PTP_TCR 0x00 /* Timestamp Control Reg */ 20 #define PTP_SSIR 0x04 /* Sub-Second Increment Reg */ 21 #define PTP_STSR 0x08 /* System Time – Seconds Regr */ 22 #define PTP_STNSR 0x0c /* System Time – Nanoseconds Reg */ 23 #define PTP_STSUR 0x10 /* System Time – Seconds Update Reg */ 24 #define PTP_STNSUR 0x14 /* System Time – Nanoseconds Update Reg */ 25 #define PTP_TAR 0x18 /* Timestamp Addend Reg */ 26 27 #define PTP_STNSUR_ADDSUB_SHIFT 31 28 #define PTP_DIGITAL_ROLLOVER_MODE 0x3B9ACA00 /* 10e9-1 ns */ 29 #define PTP_BINARY_ROLLOVER_MODE 0x80000000 /* ~0.466 ns */ 30 31 /* PTP Timestamp control register defines */ 32 #define PTP_TCR_TSENA BIT(0) /* Timestamp Enable */ 33 #define PTP_TCR_TSCFUPDT BIT(1) /* Timestamp Fine/Coarse Update */ 34 #define PTP_TCR_TSINIT BIT(2) /* Timestamp Initialize */ 35 #define PTP_TCR_TSUPDT BIT(3) /* Timestamp Update */ 36 #define PTP_TCR_TSTRIG BIT(4) /* Timestamp Interrupt Trigger Enable */ 37 #define PTP_TCR_TSADDREG BIT(5) /* Addend Reg Update */ 38 #define PTP_TCR_TSENALL BIT(8) /* Enable Timestamp for All Frames */ 39 #define PTP_TCR_TSCTRLSSR BIT(9) /* Digital or Binary Rollover Control */ 40 /* Enable PTP packet Processing for Version 2 Format */ 41 #define PTP_TCR_TSVER2ENA BIT(10) 42 /* Enable Processing of PTP over Ethernet Frames */ 43 #define PTP_TCR_TSIPENA BIT(11) 44 /* Enable Processing of PTP Frames Sent over IPv6-UDP */ 45 #define PTP_TCR_TSIPV6ENA BIT(12) 46 /* Enable Processing of PTP Frames Sent over IPv4-UDP */ 47 #define PTP_TCR_TSIPV4ENA BIT(13) 48 /* Enable Timestamp Snapshot for Event Messages */ 49 #define PTP_TCR_TSEVNTENA BIT(14) 50 /* Enable Snapshot for Messages Relevant to Master */ 51 #define PTP_TCR_TSMSTRENA BIT(15) 52 /* Select PTP packets for Taking Snapshots 53 * On gmac4 specifically: 54 * Enable SYNC, Pdelay_Req, Pdelay_Resp when TSEVNTENA is enabled. 55 * or 56 * Enable SYNC, Follow_Up, Delay_Req, Delay_Resp, Pdelay_Req, Pdelay_Resp, 57 * Pdelay_Resp_Follow_Up if TSEVNTENA is disabled 58 */ 59 #define PTP_TCR_SNAPTYPSEL_1 BIT(16) 60 /* Enable MAC address for PTP Frame Filtering */ 61 #define PTP_TCR_TSENMACADDR BIT(18) 62 63 /* SSIR defines */ 64 #define PTP_SSIR_SSINC_MASK 0xff 65 #define GMAC4_PTP_SSIR_SSINC_SHIFT 16 66 67 #endif /* __STMMAC_PTP_H__ */