diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h | 67 |
1 files changed, 53 insertions, 14 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h index f4b31d69f60e..3fe0e3a80e80 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h @@ -1,19 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /****************************************************************************** PTP Header file Copyright (C) 2013 Vayavya Labs Pvt Ltd - This program is free software; you can redistribute it and/or modify it - under the terms and conditions of the GNU General Public License, - version 2, as published by the Free Software Foundation. - - This program is distributed in the hope it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - The full GNU General Public License is included in this distribution in - the file called "COPYING". Author: Rayagond Kokatanur <rayagond@vayavyalabs.com> ******************************************************************************/ @@ -21,6 +11,7 @@ #ifndef __STMMAC_PTP_H__ #define __STMMAC_PTP_H__ +#define PTP_XGMAC_OFFSET 0xd00 #define PTP_GMAC4_OFFSET 0xb00 #define PTP_GMAC3_X_OFFSET 0x700 @@ -32,6 +23,15 @@ #define PTP_STSUR 0x10 /* System Time – Seconds Update Reg */ #define PTP_STNSUR 0x14 /* System Time – Nanoseconds Update Reg */ #define PTP_TAR 0x18 /* Timestamp Addend Reg */ +#define PTP_ACR 0x40 /* Auxiliary Control Reg */ +#define PTP_ATNR 0x48 /* Auxiliary Timestamp - Nanoseconds Reg */ +#define PTP_ATSR 0x4c /* Auxiliary Timestamp - Seconds Reg */ +#define PTP_TS_INGR_CORR_NS 0x58 /* Ingress timestamp correction nanoseconds */ +#define PTP_TS_EGR_CORR_NS 0x5C /* Egress timestamp correction nanoseconds*/ +#define PTP_TS_INGR_CORR_SNS 0x60 /* Ingress timestamp correction subnanoseconds */ +#define PTP_TS_EGR_CORR_SNS 0x64 /* Egress timestamp correction subnanoseconds */ +#define PTP_TS_INGR_LAT 0x68 /* MAC internal Ingress Latency */ +#define PTP_TS_EGR_LAT 0x6c /* MAC internal Egress Latency */ #define PTP_STNSUR_ADDSUB_SHIFT 31 #define PTP_DIGITAL_ROLLOVER_MODE 0x3B9ACA00 /* 10e9-1 ns */ @@ -58,14 +58,53 @@ #define PTP_TCR_TSEVNTENA BIT(14) /* Enable Snapshot for Messages Relevant to Master */ #define PTP_TCR_TSMSTRENA BIT(15) -/* Select PTP packets for Taking Snapshots */ +/* Select PTP packets for Taking Snapshots + * On gmac4 specifically: + * Enable SYNC, Pdelay_Req, Pdelay_Resp when TSEVNTENA is enabled. + * or + * Enable SYNC, Follow_Up, Delay_Req, Delay_Resp, Pdelay_Req, Pdelay_Resp, + * Pdelay_Resp_Follow_Up if TSEVNTENA is disabled + */ #define PTP_TCR_SNAPTYPSEL_1 BIT(16) -#define PTP_GMAC4_TCR_SNAPTYPSEL_1 GENMASK(17, 16) /* Enable MAC address for PTP Frame Filtering */ #define PTP_TCR_TSENMACADDR BIT(18) /* SSIR defines */ -#define PTP_SSIR_SSINC_MASK 0xff +#define PTP_SSIR_SSINC_MAX 0xff #define GMAC4_PTP_SSIR_SSINC_SHIFT 16 +/* Auxiliary Control defines */ +#define PTP_ACR_ATSFC BIT(0) /* Auxiliary Snapshot FIFO Clear */ +#define PTP_ACR_ATSEN0 BIT(4) /* Auxiliary Snapshot 0 Enable */ +#define PTP_ACR_ATSEN1 BIT(5) /* Auxiliary Snapshot 1 Enable */ +#define PTP_ACR_ATSEN2 BIT(6) /* Auxiliary Snapshot 2 Enable */ +#define PTP_ACR_ATSEN3 BIT(7) /* Auxiliary Snapshot 3 Enable */ +#define PTP_ACR_ATSEN(index) (PTP_ACR_ATSEN0 << (index)) +#define PTP_ACR_MASK GENMASK(7, 4) /* Aux Snapshot Mask */ +#define PMC_ART_VALUE0 0x01 /* PMC_ART[15:0] timer value */ +#define PMC_ART_VALUE1 0x02 /* PMC_ART[31:16] timer value */ +#define PMC_ART_VALUE2 0x03 /* PMC_ART[47:32] timer value */ +#define PMC_ART_VALUE3 0x04 /* PMC_ART[63:48] timer value */ +#define GMAC4_ART_TIME_SHIFT 16 /* ART TIME 16-bits shift */ + +enum aux_snapshot { + AUX_SNAPSHOT0 = 0x10, + AUX_SNAPSHOT1 = 0x20, + AUX_SNAPSHOT2 = 0x40, + AUX_SNAPSHOT3 = 0x80, +}; + +struct ptp_clock_info; +struct ptp_clock_request; +struct stmmac_priv; + +int dwmac1000_ptp_enable(struct ptp_clock_info *ptp, + struct ptp_clock_request *rq, int on); + +void dwmac1000_get_ptptime(void __iomem *ptpaddr, u64 *ptp_time); +void dwmac1000_timestamp_interrupt(struct stmmac_priv *priv); + +extern const struct ptp_clock_info stmmac_ptp_clock_ops; +extern const struct ptp_clock_info dwmac1000_ptp_clock_ops; + #endif /* __STMMAC_PTP_H__ */ |