/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Marvell 88E6xxx Switch PTP support
*
* Copyright (c) 2008 Marvell Semiconductor
*
* Copyright (c) 2017 National Instruments
* Erik Hons <erik.hons@ni.com>
* Brandon Streiff <brandon.streiff@ni.com>
* Dane Wagner <dane.wagner@ni.com>
*/
#ifndef _MV88E6XXX_PTP_H
#define _MV88E6XXX_PTP_H
#include "chip.h"
/* Offset 0x00: TAI Global Config */
#define MV88E6XXX_TAI_CFG 0 x00
#define MV88E6XXX_TAI_CFG_CAP_OVERWRITE 0 x8000
#define MV88E6XXX_TAI_CFG_CAP_CTR_START 0 x4000
#define MV88E6XXX_TAI_CFG_EVREQ_FALLING 0 x2000
#define MV88E6XXX_TAI_CFG_TRIG_ACTIVE_LO 0 x1000
#define MV88E6XXX_TAI_CFG_IRL_ENABLE 0 x0400
#define MV88E6XXX_TAI_CFG_TRIG_IRQ_EN 0 x0200
#define MV88E6XXX_TAI_CFG_EVREQ_IRQ_EN 0 x0100
#define MV88E6XXX_TAI_CFG_TRIG_LOCK 0 x0080
#define MV88E6XXX_TAI_CFG_BLOCK_UPDATE 0 x0008
#define MV88E6XXX_TAI_CFG_MULTI_PTP 0 x0004
#define MV88E6XXX_TAI_CFG_TRIG_MODE_ONESHOT 0 x0002
#define MV88E6XXX_TAI_CFG_TRIG_ENABLE 0 x0001
/* Offset 0x01: Timestamp Clock Period (ps) */
#define MV88E6XXX_TAI_CLOCK_PERIOD 0 x01
/* Offset 0x02/0x03: Trigger Generation Amount */
#define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_LO 0 x02
#define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_HI 0 x03
/* Offset 0x04: Clock Compensation */
#define MV88E6XXX_TAI_TRIG_CLOCK_COMP 0 x04
/* Offset 0x05: Trigger Configuration */
#define MV88E6XXX_TAI_TRIG_CFG 0 x05
/* Offset 0x06: Ingress Rate Limiter Clock Generation Amount */
#define MV88E6XXX_TAI_IRL_AMOUNT 0 x06
/* Offset 0x07: Ingress Rate Limiter Compensation */
#define MV88E6XXX_TAI_IRL_COMP 0 x07
/* Offset 0x08: Ingress Rate Limiter Compensation */
#define MV88E6XXX_TAI_IRL_COMP_PS 0 x08
/* Offset 0x09: Event Status */
#define MV88E6XXX_TAI_EVENT_STATUS 0 x09
#define MV88E6XXX_TAI_EVENT_STATUS_CAP_TRIG 0 x4000
#define MV88E6XXX_TAI_EVENT_STATUS_ERROR 0 x0200
#define MV88E6XXX_TAI_EVENT_STATUS_VALID 0 x0100
#define MV88E6XXX_TAI_EVENT_STATUS_CTR_MASK 0 x00ff
/* Offset 0x0A/0x0B: Event Time */
#define MV88E6XXX_TAI_EVENT_TIME_LO 0 x0a
#define MV88E6XXX_TAI_EVENT_TYPE_HI 0 x0b
/* Offset 0x0E/0x0F: PTP Global Time */
#define MV88E6XXX_TAI_TIME_LO 0 x0e
#define MV88E6XXX_TAI_TIME_HI 0 x0f
/* Offset 0x10/0x11: Trig Generation Time */
#define MV88E6XXX_TAI_TRIG_TIME_LO 0 x10
#define MV88E6XXX_TAI_TRIG_TIME_HI 0 x11
/* Offset 0x12: Lock Status */
#define MV88E6XXX_TAI_LOCK_STATUS 0 x12
/* Offset 0x00: Ether Type */
#define MV88E6XXX_PTP_GC_ETYPE 0 x00
/* 6165 Global Control Registers */
/* Offset 0x00: Ether Type */
#define MV88E6XXX_PTP_GC_ETYPE 0 x00
/* Offset 0x01: Message ID */
#define MV88E6XXX_PTP_GC_MESSAGE_ID 0 x01
/* Offset 0x02: Time Stamp Arrive Time */
#define MV88E6XXX_PTP_GC_TS_ARR_PTR 0 x02
/* Offset 0x03: Port Arrival Interrupt Enable */
#define MV88E6XXX_PTP_GC_PORT_ARR_INT_EN 0 x03
/* Offset 0x04: Port Departure Interrupt Enable */
#define MV88E6XXX_PTP_GC_PORT_DEP_INT_EN 0 x04
/* Offset 0x05: Configuration */
#define MV88E6XXX_PTP_GC_CONFIG 0 x05
#define MV88E6XXX_PTP_GC_CONFIG_DIS_OVERWRITE BIT(1 )
#define MV88E6XXX_PTP_GC_CONFIG_DIS_TS BIT(0 )
/* Offset 0x8: Interrupt Status */
#define MV88E6XXX_PTP_GC_INT_STATUS 0 x08
/* Offset 0x9/0xa: Global Time */
#define MV88E6XXX_PTP_GC_TIME_LO 0 x09
#define MV88E6XXX_PTP_GC_TIME_HI 0 x0A
/* 6165 Per Port Registers */
/* Offset 0: Arrival Time 0 Status */
#define MV88E6165_PORT_PTP_ARR0_STS 0 x00
/* Offset 0x01/0x02: PTP Arrival 0 Time */
#define MV88E6165_PORT_PTP_ARR0_TIME_LO 0 x01
#define MV88E6165_PORT_PTP_ARR0_TIME_HI 0 x02
/* Offset 0x03: PTP Arrival 0 Sequence ID */
#define MV88E6165_PORT_PTP_ARR0_SEQID 0 x03
/* Offset 0x04: PTP Arrival 1 Status */
#define MV88E6165_PORT_PTP_ARR1_STS 0 x04
/* Offset 0x05/0x6E: PTP Arrival 1 Time */
#define MV88E6165_PORT_PTP_ARR1_TIME_LO 0 x05
#define MV88E6165_PORT_PTP_ARR1_TIME_HI 0 x06
/* Offset 0x07: PTP Arrival 1 Sequence ID */
#define MV88E6165_PORT_PTP_ARR1_SEQID 0 x07
/* Offset 0x08: PTP Departure Status */
#define MV88E6165_PORT_PTP_DEP_STS 0 x08
/* Offset 0x09/0x0a: PTP Deperture Time */
#define MV88E6165_PORT_PTP_DEP_TIME_LO 0 x09
#define MV88E6165_PORT_PTP_DEP_TIME_HI 0 x0a
/* Offset 0x0b: PTP Departure Sequence ID */
#define MV88E6165_PORT_PTP_DEP_SEQID 0 x0b
/* Offset 0x0d: Port Status */
#define MV88E6164_PORT_STATUS 0 x0d
#ifdef CONFIG_NET_DSA_MV88E6XXX_PTP
long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp);
int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip);
void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip);
#define ptp_to_chip(ptp) container_of(ptp, struct mv88e6xxx_chip, \
ptp_clock_info)
extern const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops;
extern const struct mv88e6xxx_ptp_ops mv88e6250_ptp_ops;
extern const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops;
extern const struct mv88e6xxx_ptp_ops mv88e6390_ptp_ops;
#else /* !CONFIG_NET_DSA_MV88E6XXX_PTP */
static inline long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp)
{
return -1 ;
}
static inline int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip)
{
return 0 ;
}
static inline void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip)
{
}
static const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops = {};
static const struct mv88e6xxx_ptp_ops mv88e6250_ptp_ops = {};
static const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops = {};
static const struct mv88e6xxx_ptp_ops mv88e6390_ptp_ops = {};
#endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */
#endif /* _MV88E6XXX_PTP_H */
Messung V0.5 in Prozent C=96 H=93 G=94
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(vorverarbeitet am 2026-06-07)
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