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1 | /* |
2 | * Marvell 88E6xxx Switch PTP support | |
3 | * | |
4 | * Copyright (c) 2008 Marvell Semiconductor | |
5 | * | |
6 | * Copyright (c) 2017 National Instruments | |
7 | * Erik Hons <erik.hons@ni.com> | |
8 | * Brandon Streiff <brandon.streiff@ni.com> | |
9 | * Dane Wagner <dane.wagner@ni.com> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | */ | |
16 | ||
17 | #ifndef _MV88E6XXX_PTP_H | |
18 | #define _MV88E6XXX_PTP_H | |
19 | ||
20 | #include "chip.h" | |
21 | ||
22 | /* Offset 0x00: TAI Global Config */ | |
23 | #define MV88E6XXX_TAI_CFG 0x00 | |
4eb3be29 BS |
24 | #define MV88E6XXX_TAI_CFG_CAP_OVERWRITE 0x8000 |
25 | #define MV88E6XXX_TAI_CFG_CAP_CTR_START 0x4000 | |
26 | #define MV88E6XXX_TAI_CFG_EVREQ_FALLING 0x2000 | |
27 | #define MV88E6XXX_TAI_CFG_TRIG_ACTIVE_LO 0x1000 | |
28 | #define MV88E6XXX_TAI_CFG_IRL_ENABLE 0x0400 | |
29 | #define MV88E6XXX_TAI_CFG_TRIG_IRQ_EN 0x0200 | |
30 | #define MV88E6XXX_TAI_CFG_EVREQ_IRQ_EN 0x0100 | |
31 | #define MV88E6XXX_TAI_CFG_TRIG_LOCK 0x0080 | |
32 | #define MV88E6XXX_TAI_CFG_BLOCK_UPDATE 0x0008 | |
33 | #define MV88E6XXX_TAI_CFG_MULTI_PTP 0x0004 | |
34 | #define MV88E6XXX_TAI_CFG_TRIG_MODE_ONESHOT 0x0002 | |
35 | #define MV88E6XXX_TAI_CFG_TRIG_ENABLE 0x0001 | |
2fa8d3af BS |
36 | |
37 | /* Offset 0x01: Timestamp Clock Period (ps) */ | |
38 | #define MV88E6XXX_TAI_CLOCK_PERIOD 0x01 | |
39 | ||
40 | /* Offset 0x02/0x03: Trigger Generation Amount */ | |
41 | #define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_LO 0x02 | |
42 | #define MV88E6XXX_TAI_TRIG_GEN_AMOUNT_HI 0x03 | |
43 | ||
44 | /* Offset 0x04: Clock Compensation */ | |
45 | #define MV88E6XXX_TAI_TRIG_CLOCK_COMP 0x04 | |
46 | ||
47 | /* Offset 0x05: Trigger Configuration */ | |
48 | #define MV88E6XXX_TAI_TRIG_CFG 0x05 | |
49 | ||
50 | /* Offset 0x06: Ingress Rate Limiter Clock Generation Amount */ | |
51 | #define MV88E6XXX_TAI_IRL_AMOUNT 0x06 | |
52 | ||
53 | /* Offset 0x07: Ingress Rate Limiter Compensation */ | |
54 | #define MV88E6XXX_TAI_IRL_COMP 0x07 | |
55 | ||
56 | /* Offset 0x08: Ingress Rate Limiter Compensation */ | |
57 | #define MV88E6XXX_TAI_IRL_COMP_PS 0x08 | |
58 | ||
59 | /* Offset 0x09: Event Status */ | |
60 | #define MV88E6XXX_TAI_EVENT_STATUS 0x09 | |
4eb3be29 BS |
61 | #define MV88E6XXX_TAI_EVENT_STATUS_CAP_TRIG 0x4000 |
62 | #define MV88E6XXX_TAI_EVENT_STATUS_ERROR 0x0200 | |
63 | #define MV88E6XXX_TAI_EVENT_STATUS_VALID 0x0100 | |
64 | #define MV88E6XXX_TAI_EVENT_STATUS_CTR_MASK 0x00ff | |
2fa8d3af BS |
65 | |
66 | /* Offset 0x0A/0x0B: Event Time */ | |
67 | #define MV88E6XXX_TAI_EVENT_TIME_LO 0x0a | |
68 | #define MV88E6XXX_TAI_EVENT_TYPE_HI 0x0b | |
69 | ||
70 | /* Offset 0x0E/0x0F: PTP Global Time */ | |
71 | #define MV88E6XXX_TAI_TIME_LO 0x0e | |
72 | #define MV88E6XXX_TAI_TIME_HI 0x0f | |
73 | ||
74 | /* Offset 0x10/0x11: Trig Generation Time */ | |
75 | #define MV88E6XXX_TAI_TRIG_TIME_LO 0x10 | |
76 | #define MV88E6XXX_TAI_TRIG_TIME_HI 0x11 | |
77 | ||
78 | /* Offset 0x12: Lock Status */ | |
79 | #define MV88E6XXX_TAI_LOCK_STATUS 0x12 | |
80 | ||
dfa54348 AL |
81 | /* Offset 0x00: Ether Type */ |
82 | #define MV88E6XXX_PTP_GC_ETYPE 0x00 | |
83 | ||
e2294a8b | 84 | /* 6165 Global Control Registers */ |
2dbed245 AL |
85 | /* Offset 0x00: Ether Type */ |
86 | #define MV88E6XXX_PTP_GC_ETYPE 0x00 | |
87 | ||
dfa54348 AL |
88 | /* Offset 0x01: Message ID */ |
89 | #define MV88E6XXX_PTP_GC_MESSAGE_ID 0x01 | |
90 | ||
91 | /* Offset 0x02: Time Stamp Arrive Time */ | |
92 | #define MV88E6XXX_PTP_GC_TS_ARR_PTR 0x02 | |
93 | ||
94 | /* Offset 0x03: Port Arrival Interrupt Enable */ | |
95 | #define MV88E6XXX_PTP_GC_PORT_ARR_INT_EN 0x03 | |
96 | ||
97 | /* Offset 0x04: Port Departure Interrupt Enable */ | |
98 | #define MV88E6XXX_PTP_GC_PORT_DEP_INT_EN 0x04 | |
99 | ||
100 | /* Offset 0x05: Configuration */ | |
101 | #define MV88E6XXX_PTP_GC_CONFIG 0x05 | |
102 | #define MV88E6XXX_PTP_GC_CONFIG_DIS_OVERWRITE BIT(1) | |
103 | #define MV88E6XXX_PTP_GC_CONFIG_DIS_TS BIT(0) | |
104 | ||
105 | /* Offset 0x8: Interrupt Status */ | |
106 | #define MV88E6XXX_PTP_GC_INT_STATUS 0x08 | |
107 | ||
108 | /* Offset 0x9/0xa: Global Time */ | |
109 | #define MV88E6XXX_PTP_GC_TIME_LO 0x09 | |
110 | #define MV88E6XXX_PTP_GC_TIME_HI 0x0A | |
111 | ||
e2294a8b AL |
112 | /* 6165 Per Port Registers */ |
113 | /* Offset 0: Arrival Time 0 Status */ | |
114 | #define MV88E6165_PORT_PTP_ARR0_STS 0x00 | |
115 | ||
116 | /* Offset 0x01/0x02: PTP Arrival 0 Time */ | |
117 | #define MV88E6165_PORT_PTP_ARR0_TIME_LO 0x01 | |
118 | #define MV88E6165_PORT_PTP_ARR0_TIME_HI 0x02 | |
119 | ||
120 | /* Offset 0x03: PTP Arrival 0 Sequence ID */ | |
121 | #define MV88E6165_PORT_PTP_ARR0_SEQID 0x03 | |
122 | ||
123 | /* Offset 0x04: PTP Arrival 1 Status */ | |
124 | #define MV88E6165_PORT_PTP_ARR1_STS 0x04 | |
125 | ||
126 | /* Offset 0x05/0x6E: PTP Arrival 1 Time */ | |
127 | #define MV88E6165_PORT_PTP_ARR1_TIME_LO 0x05 | |
128 | #define MV88E6165_PORT_PTP_ARR1_TIME_HI 0x06 | |
129 | ||
130 | /* Offset 0x07: PTP Arrival 1 Sequence ID */ | |
131 | #define MV88E6165_PORT_PTP_ARR1_SEQID 0x07 | |
132 | ||
133 | /* Offset 0x08: PTP Departure Status */ | |
134 | #define MV88E6165_PORT_PTP_DEP_STS 0x08 | |
135 | ||
136 | /* Offset 0x09/0x0a: PTP Deperture Time */ | |
137 | #define MV88E6165_PORT_PTP_DEP_TIME_LO 0x09 | |
138 | #define MV88E6165_PORT_PTP_DEP_TIME_HI 0x0a | |
139 | ||
140 | /* Offset 0x0b: PTP Departure Sequence ID */ | |
141 | #define MV88E6165_PORT_PTP_DEP_SEQID 0x0b | |
142 | ||
143 | /* Offset 0x0d: Port Status */ | |
144 | #define MV88E6164_PORT_STATUS 0x0d | |
145 | ||
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146 | #ifdef CONFIG_NET_DSA_MV88E6XXX_PTP |
147 | ||
c6fe0ad2 | 148 | long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp); |
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149 | int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip); |
150 | void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip); | |
151 | ||
c6fe0ad2 BS |
152 | #define ptp_to_chip(ptp) container_of(ptp, struct mv88e6xxx_chip, \ |
153 | ptp_clock_info) | |
154 | ||
6d2ac8ee | 155 | extern const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops; |
dfa54348 | 156 | extern const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops; |
6d2ac8ee | 157 | |
2fa8d3af BS |
158 | #else /* !CONFIG_NET_DSA_MV88E6XXX_PTP */ |
159 | ||
46182452 | 160 | static inline long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp) |
c6fe0ad2 BS |
161 | { |
162 | return -1; | |
163 | } | |
164 | ||
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165 | static inline int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip) |
166 | { | |
167 | return 0; | |
168 | } | |
169 | ||
46182452 | 170 | static inline void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip) |
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171 | { |
172 | } | |
173 | ||
6d2ac8ee | 174 | static const struct mv88e6xxx_ptp_ops mv88e6352_ptp_ops = {}; |
dfa54348 | 175 | static const struct mv88e6xxx_ptp_ops mv88e6165_ptp_ops = {}; |
6d2ac8ee | 176 | |
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177 | #endif /* CONFIG_NET_DSA_MV88E6XXX_PTP */ |
178 | ||
179 | #endif /* _MV88E6XXX_PTP_H */ |