178 lines
5.2 KiB
C
178 lines
5.2 KiB
C
/* 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 0x00
|
|
#define MV88E6XXX_TAI_CFG_CAP_OVERWRITE 0x8000
|
|
#define MV88E6XXX_TAI_CFG_CAP_CTR_START 0x4000
|
|
#define MV88E6XXX_TAI_CFG_EVREQ_FALLING 0x2000
|
|
#define MV88E6XXX_TAI_CFG_TRIG_ACTIVE_LO 0x1000
|
|
#define MV88E6XXX_TAI_CFG_IRL_ENABLE 0x0400
|
|
#define MV88E6XXX_TAI_CFG_TRIG_IRQ_EN 0x0200
|
|
#define MV88E6XXX_TAI_CFG_EVREQ_IRQ_EN 0x0100
|
|
#define MV88E6XXX_TAI_CFG_TRIG_LOCK 0x0080
|
|
#define MV88E6XXX_TAI_CFG_BLOCK_UPDATE 0x0008
|
|
#define MV88E6XXX_TAI_CFG_MULTI_PTP 0x0004
|
|
#define MV88E6XXX_TAI_CFG_TRIG_MODE_ONESHOT 0x0002
|
|
#define MV88E6XXX_TAI_CFG_TRIG_ENABLE 0x0001
|
|
|
|
/* Offset 0x01: Timestamp Clock Period (ps) */
|
|
#define MV88E6XXX_TAI_CLOCK_PERIOD 0x01
|
|
|
|
/* Offset 0x02/0x03: Trigger Generation Amount */
|
|
#define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_LO 0x02
|
|
#define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_HI 0x03
|
|
|
|
/* Offset 0x04: Clock Compensation */
|
|
#define MV88E6XXX_TAI_TRIG_CLOCK_COMP 0x04
|
|
|
|
/* Offset 0x05: Trigger Configuration */
|
|
#define MV88E6XXX_TAI_TRIG_CFG 0x05
|
|
|
|
/* Offset 0x06: Ingress Rate Limiter Clock Generation Amount */
|
|
#define MV88E6XXX_TAI_IRL_AMOUNT 0x06
|
|
|
|
/* Offset 0x07: Ingress Rate Limiter Compensation */
|
|
#define MV88E6XXX_TAI_IRL_COMP 0x07
|
|
|
|
/* Offset 0x08: Ingress Rate Limiter Compensation */
|
|
#define MV88E6XXX_TAI_IRL_COMP_PS 0x08
|
|
|
|
/* Offset 0x09: Event Status */
|
|
#define MV88E6XXX_TAI_EVENT_STATUS 0x09
|
|
#define MV88E6XXX_TAI_EVENT_STATUS_CAP_TRIG 0x4000
|
|
#define MV88E6XXX_TAI_EVENT_STATUS_ERROR 0x0200
|
|
#define MV88E6XXX_TAI_EVENT_STATUS_VALID 0x0100
|
|
#define MV88E6XXX_TAI_EVENT_STATUS_CTR_MASK 0x00ff
|
|
|
|
/* Offset 0x0A/0x0B: Event Time */
|
|
#define MV88E6XXX_TAI_EVENT_TIME_LO 0x0a
|
|
#define MV88E6XXX_TAI_EVENT_TYPE_HI 0x0b
|
|
|
|
/* Offset 0x0E/0x0F: PTP Global Time */
|
|
#define MV88E6XXX_TAI_TIME_LO 0x0e
|
|
#define MV88E6XXX_TAI_TIME_HI 0x0f
|
|
|
|
/* Offset 0x10/0x11: Trig Generation Time */
|
|
#define MV88E6XXX_TAI_TRIG_TIME_LO 0x10
|
|
#define MV88E6XXX_TAI_TRIG_TIME_HI 0x11
|
|
|
|
/* Offset 0x12: Lock Status */
|
|
#define MV88E6XXX_TAI_LOCK_STATUS 0x12
|
|
|
|
/* Offset 0x00: Ether Type */
|
|
#define MV88E6XXX_PTP_GC_ETYPE 0x00
|
|
|
|
/* 6165 Global Control Registers */
|
|
/* Offset 0x00: Ether Type */
|
|
#define MV88E6XXX_PTP_GC_ETYPE 0x00
|
|
|
|
/* Offset 0x01: Message ID */
|
|
#define MV88E6XXX_PTP_GC_MESSAGE_ID 0x01
|
|
|
|
/* Offset 0x02: Time Stamp Arrive Time */
|
|
#define MV88E6XXX_PTP_GC_TS_ARR_PTR 0x02
|
|
|
|
/* Offset 0x03: Port Arrival Interrupt Enable */
|
|
#define MV88E6XXX_PTP_GC_PORT_ARR_INT_EN 0x03
|
|
|
|
/* Offset 0x04: Port Departure Interrupt Enable */
|
|
#define MV88E6XXX_PTP_GC_PORT_DEP_INT_EN 0x04
|
|
|
|
/* Offset 0x05: Configuration */
|
|
#define MV88E6XXX_PTP_GC_CONFIG 0x05
|
|
#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 0x08
|
|
|
|
/* Offset 0x9/0xa: Global Time */
|
|
#define MV88E6XXX_PTP_GC_TIME_LO 0x09
|
|
#define MV88E6XXX_PTP_GC_TIME_HI 0x0A
|
|
|
|
/* 6165 Per Port Registers */
|
|
/* Offset 0: Arrival Time 0 Status */
|
|
#define MV88E6165_PORT_PTP_ARR0_STS 0x00
|
|
|
|
/* Offset 0x01/0x02: PTP Arrival 0 Time */
|
|
#define MV88E6165_PORT_PTP_ARR0_TIME_LO 0x01
|
|
#define MV88E6165_PORT_PTP_ARR0_TIME_HI 0x02
|
|
|
|
/* Offset 0x03: PTP Arrival 0 Sequence ID */
|
|
#define MV88E6165_PORT_PTP_ARR0_SEQID 0x03
|
|
|
|
/* Offset 0x04: PTP Arrival 1 Status */
|
|
#define MV88E6165_PORT_PTP_ARR1_STS 0x04
|
|
|
|
/* Offset 0x05/0x6E: PTP Arrival 1 Time */
|
|
#define MV88E6165_PORT_PTP_ARR1_TIME_LO 0x05
|
|
#define MV88E6165_PORT_PTP_ARR1_TIME_HI 0x06
|
|
|
|
/* Offset 0x07: PTP Arrival 1 Sequence ID */
|
|
#define MV88E6165_PORT_PTP_ARR1_SEQID 0x07
|
|
|
|
/* Offset 0x08: PTP Departure Status */
|
|
#define MV88E6165_PORT_PTP_DEP_STS 0x08
|
|
|
|
/* Offset 0x09/0x0a: PTP Deperture Time */
|
|
#define MV88E6165_PORT_PTP_DEP_TIME_LO 0x09
|
|
#define MV88E6165_PORT_PTP_DEP_TIME_HI 0x0a
|
|
|
|
/* Offset 0x0b: PTP Departure Sequence ID */
|
|
#define MV88E6165_PORT_PTP_DEP_SEQID 0x0b
|
|
|
|
/* Offset 0x0d: Port Status */
|
|
#define MV88E6164_PORT_STATUS 0x0d
|
|
|
|
#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;
|
|
|
|
#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 = {};
|
|
|
|
#endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */
|
|
|
|
#endif /* _MV88E6XXX_PTP_H */
|