14fa9c49fSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2891434b1SRayagond Kokatanur /****************************************************************************** 3891434b1SRayagond Kokatanur PTP Header file 4891434b1SRayagond Kokatanur 5891434b1SRayagond Kokatanur Copyright (C) 2013 Vayavya Labs Pvt Ltd 6891434b1SRayagond Kokatanur 7891434b1SRayagond Kokatanur 8891434b1SRayagond Kokatanur Author: Rayagond Kokatanur <rayagond@vayavyalabs.com> 9891434b1SRayagond Kokatanur ******************************************************************************/ 10891434b1SRayagond Kokatanur 11891434b1SRayagond Kokatanur #ifndef __STMMAC_PTP_H__ 12891434b1SRayagond Kokatanur #define __STMMAC_PTP_H__ 13891434b1SRayagond Kokatanur 144bb7aff9SJose Abreu #define PTP_XGMAC_OFFSET 0xd00 15d2042052SGiuseppe CAVALLARO #define PTP_GMAC4_OFFSET 0xb00 16d2042052SGiuseppe CAVALLARO #define PTP_GMAC3_X_OFFSET 0x700 17d2042052SGiuseppe CAVALLARO 18891434b1SRayagond Kokatanur /* IEEE 1588 PTP register offsets */ 19d2042052SGiuseppe CAVALLARO #define PTP_TCR 0x00 /* Timestamp Control Reg */ 20d2042052SGiuseppe CAVALLARO #define PTP_SSIR 0x04 /* Sub-Second Increment Reg */ 21d2042052SGiuseppe CAVALLARO #define PTP_STSR 0x08 /* System Time – Seconds Regr */ 22d2042052SGiuseppe CAVALLARO #define PTP_STNSR 0x0c /* System Time – Nanoseconds Reg */ 23d2042052SGiuseppe CAVALLARO #define PTP_STSUR 0x10 /* System Time – Seconds Update Reg */ 24d2042052SGiuseppe CAVALLARO #define PTP_STNSUR 0x14 /* System Time – Nanoseconds Update Reg */ 25d2042052SGiuseppe CAVALLARO #define PTP_TAR 0x18 /* Timestamp Addend Reg */ 26*341f67e4STan Tee Min #define PTP_ACR 0x40 /* Auxiliary Control Reg */ 27*341f67e4STan Tee Min #define PTP_ATNR 0x48 /* Auxiliary Timestamp - Nanoseconds Reg */ 28*341f67e4STan Tee Min #define PTP_ATSR 0x4c /* Auxiliary Timestamp - Seconds Reg */ 29891434b1SRayagond Kokatanur 30891434b1SRayagond Kokatanur #define PTP_STNSUR_ADDSUB_SHIFT 31 31d2042052SGiuseppe CAVALLARO #define PTP_DIGITAL_ROLLOVER_MODE 0x3B9ACA00 /* 10e9-1 ns */ 32d2042052SGiuseppe CAVALLARO #define PTP_BINARY_ROLLOVER_MODE 0x80000000 /* ~0.466 ns */ 33891434b1SRayagond Kokatanur 34d2042052SGiuseppe CAVALLARO /* PTP Timestamp control register defines */ 35d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSENA BIT(0) /* Timestamp Enable */ 36d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSCFUPDT BIT(1) /* Timestamp Fine/Coarse Update */ 37d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSINIT BIT(2) /* Timestamp Initialize */ 38d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSUPDT BIT(3) /* Timestamp Update */ 39d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSTRIG BIT(4) /* Timestamp Interrupt Trigger Enable */ 40d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSADDREG BIT(5) /* Addend Reg Update */ 41d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSENALL BIT(8) /* Enable Timestamp for All Frames */ 42d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSCTRLSSR BIT(9) /* Digital or Binary Rollover Control */ 43891434b1SRayagond Kokatanur /* Enable PTP packet Processing for Version 2 Format */ 44d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSVER2ENA BIT(10) 45891434b1SRayagond Kokatanur /* Enable Processing of PTP over Ethernet Frames */ 46d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSIPENA BIT(11) 47891434b1SRayagond Kokatanur /* Enable Processing of PTP Frames Sent over IPv6-UDP */ 48d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSIPV6ENA BIT(12) 49891434b1SRayagond Kokatanur /* Enable Processing of PTP Frames Sent over IPv4-UDP */ 50d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSIPV4ENA BIT(13) 51891434b1SRayagond Kokatanur /* Enable Timestamp Snapshot for Event Messages */ 52d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSEVNTENA BIT(14) 53891434b1SRayagond Kokatanur /* Enable Snapshot for Messages Relevant to Master */ 54d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSMSTRENA BIT(15) 557d8e249fSIlias Apalodimas /* Select PTP packets for Taking Snapshots 567d8e249fSIlias Apalodimas * On gmac4 specifically: 577d8e249fSIlias Apalodimas * Enable SYNC, Pdelay_Req, Pdelay_Resp when TSEVNTENA is enabled. 587d8e249fSIlias Apalodimas * or 597d8e249fSIlias Apalodimas * Enable SYNC, Follow_Up, Delay_Req, Delay_Resp, Pdelay_Req, Pdelay_Resp, 607d8e249fSIlias Apalodimas * Pdelay_Resp_Follow_Up if TSEVNTENA is disabled 617d8e249fSIlias Apalodimas */ 62fd6720aeSMario Molitor #define PTP_TCR_SNAPTYPSEL_1 BIT(16) 63891434b1SRayagond Kokatanur /* Enable MAC address for PTP Frame Filtering */ 64d2042052SGiuseppe CAVALLARO #define PTP_TCR_TSENMACADDR BIT(18) 65d2042052SGiuseppe CAVALLARO 66d2042052SGiuseppe CAVALLARO /* SSIR defines */ 67d2042052SGiuseppe CAVALLARO #define PTP_SSIR_SSINC_MASK 0xff 68d2042052SGiuseppe CAVALLARO #define GMAC4_PTP_SSIR_SSINC_SHIFT 16 69891434b1SRayagond Kokatanur 70*341f67e4STan Tee Min /* Auxiliary Control defines */ 71*341f67e4STan Tee Min #define PTP_ACR_ATSFC BIT(0) /* Auxiliary Snapshot FIFO Clear */ 72*341f67e4STan Tee Min #define PTP_ACR_ATSEN0 BIT(4) /* Auxiliary Snapshot 0 Enable */ 73*341f67e4STan Tee Min #define PTP_ACR_ATSEN1 BIT(5) /* Auxiliary Snapshot 1 Enable */ 74*341f67e4STan Tee Min #define PTP_ACR_ATSEN2 BIT(6) /* Auxiliary Snapshot 2 Enable */ 75*341f67e4STan Tee Min #define PTP_ACR_ATSEN3 BIT(7) /* Auxiliary Snapshot 3 Enable */ 76*341f67e4STan Tee Min #define PTP_ACR_MASK GENMASK(7, 4) /* Aux Snapshot Mask */ 77*341f67e4STan Tee Min #define PMC_ART_VALUE0 0x01 /* PMC_ART[15:0] timer value */ 78*341f67e4STan Tee Min #define PMC_ART_VALUE1 0x02 /* PMC_ART[31:16] timer value */ 79*341f67e4STan Tee Min #define PMC_ART_VALUE2 0x03 /* PMC_ART[47:32] timer value */ 80*341f67e4STan Tee Min #define PMC_ART_VALUE3 0x04 /* PMC_ART[63:48] timer value */ 81*341f67e4STan Tee Min #define GMAC4_ART_TIME_SHIFT 16 /* ART TIME 16-bits shift */ 82*341f67e4STan Tee Min 83*341f67e4STan Tee Min enum aux_snapshot { 84*341f67e4STan Tee Min AUX_SNAPSHOT0 = 0x10, 85*341f67e4STan Tee Min AUX_SNAPSHOT1 = 0x20, 86*341f67e4STan Tee Min AUX_SNAPSHOT2 = 0x40, 87*341f67e4STan Tee Min AUX_SNAPSHOT3 = 0x80, 88*341f67e4STan Tee Min }; 89*341f67e4STan Tee Min 90891434b1SRayagond Kokatanur #endif /* __STMMAC_PTP_H__ */ 91