1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * Marvell 88E6xxx SERDES manipulation, via SMI bus
4 *
5 * Copyright (c) 2008 Marvell Semiconductor
6 *
7 * Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
8 */
9
10 #ifndef _MV88E6XXX_SERDES_H
11 #define _MV88E6XXX_SERDES_H
12
13 #include "chip.h"
14
15 struct phylink_link_state;
16
17 #define MV88E6352_ADDR_SERDES 0x0f
18 #define MV88E6352_SERDES_PAGE_FIBER 0x01
19 #define MV88E6352_SERDES_IRQ 0x0b
20 #define MV88E6352_SERDES_INT_ENABLE 0x12
21 #define MV88E6352_SERDES_INT_SPEED_CHANGE BIT(14)
22 #define MV88E6352_SERDES_INT_DUPLEX_CHANGE BIT(13)
23 #define MV88E6352_SERDES_INT_PAGE_RX BIT(12)
24 #define MV88E6352_SERDES_INT_AN_COMPLETE BIT(11)
25 #define MV88E6352_SERDES_INT_LINK_CHANGE BIT(10)
26 #define MV88E6352_SERDES_INT_SYMBOL_ERROR BIT(9)
27 #define MV88E6352_SERDES_INT_FALSE_CARRIER BIT(8)
28 #define MV88E6352_SERDES_INT_FIFO_OVER_UNDER BIT(7)
29 #define MV88E6352_SERDES_INT_FIBRE_ENERGY BIT(4)
30 #define MV88E6352_SERDES_INT_STATUS 0x13
31
32 #define MV88E6352_SERDES_SPEC_CTRL2 0x1a
33 #define MV88E6352_SERDES_OUT_AMP_MASK 0x0007
34
35 #define MV88E6341_PORT5_LANE 0x15
36
37 #define MV88E6390_PORT9_LANE0 0x09
38 #define MV88E6390_PORT9_LANE1 0x12
39 #define MV88E6390_PORT9_LANE2 0x13
40 #define MV88E6390_PORT9_LANE3 0x14
41 #define MV88E6390_PORT10_LANE0 0x0a
42 #define MV88E6390_PORT10_LANE1 0x15
43 #define MV88E6390_PORT10_LANE2 0x16
44 #define MV88E6390_PORT10_LANE3 0x17
45
46 /* 10GBASE-R and 10GBASE-X4/X2 */
47 #define MV88E6390_10G_CTRL1 (0x1000 + MDIO_CTRL1)
48 #define MV88E6390_10G_STAT1 (0x1000 + MDIO_STAT1)
49 #define MV88E6390_10G_INT_ENABLE 0x9001
50 #define MV88E6390_10G_INT_LINK_DOWN BIT(3)
51 #define MV88E6390_10G_INT_LINK_UP BIT(2)
52 #define MV88E6390_10G_INT_STATUS 0x9003
53 #define MV88E6393X_10G_INT_ENABLE 0x9000
54 #define MV88E6393X_10G_INT_LINK_CHANGE BIT(2)
55 #define MV88E6393X_10G_INT_STATUS 0x9001
56
57 /* USXGMII */
58 #define MV88E6390_USXGMII_LP_STATUS 0xf0a2
59 #define MV88E6390_USXGMII_PHY_STATUS 0xf0a6
60
61 /* 1000BASE-X and SGMII */
62 #define MV88E6390_SGMII_BMCR (0x2000 + MII_BMCR)
63 #define MV88E6390_SGMII_BMSR (0x2000 + MII_BMSR)
64 #define MV88E6390_SGMII_ADVERTISE (0x2000 + MII_ADVERTISE)
65 #define MV88E6390_SGMII_LPA (0x2000 + MII_LPA)
66 #define MV88E6390_SGMII_INT_ENABLE 0xa001
67 #define MV88E6390_SGMII_INT_SPEED_CHANGE BIT(14)
68 #define MV88E6390_SGMII_INT_DUPLEX_CHANGE BIT(13)
69 #define MV88E6390_SGMII_INT_PAGE_RX BIT(12)
70 #define MV88E6390_SGMII_INT_AN_COMPLETE BIT(11)
71 #define MV88E6390_SGMII_INT_LINK_DOWN BIT(10)
72 #define MV88E6390_SGMII_INT_LINK_UP BIT(9)
73 #define MV88E6390_SGMII_INT_SYMBOL_ERROR BIT(8)
74 #define MV88E6390_SGMII_INT_FALSE_CARRIER BIT(7)
75 #define MV88E6390_SGMII_INT_STATUS 0xa002
76 #define MV88E6390_SGMII_PHY_STATUS 0xa003
77 #define MV88E6390_SGMII_PHY_STATUS_SPEED_MASK GENMASK(15, 14)
78 #define MV88E6390_SGMII_PHY_STATUS_SPEED_1000 0x8000
79 #define MV88E6390_SGMII_PHY_STATUS_SPEED_100 0x4000
80 #define MV88E6390_SGMII_PHY_STATUS_SPEED_10 0x0000
81 #define MV88E6390_SGMII_PHY_STATUS_DUPLEX_FULL BIT(13)
82 #define MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID BIT(11)
83 #define MV88E6390_SGMII_PHY_STATUS_LINK BIT(10)
84 #define MV88E6390_SGMII_PHY_STATUS_TX_PAUSE BIT(3)
85 #define MV88E6390_SGMII_PHY_STATUS_RX_PAUSE BIT(2)
86
87 /* Packet generator pad packet checker */
88 #define MV88E6390_PG_CONTROL 0xf010
89 #define MV88E6390_PG_CONTROL_ENABLE_PC BIT(0)
90
91 #define MV88E6393X_PORT0_LANE 0x00
92 #define MV88E6393X_PORT9_LANE 0x09
93 #define MV88E6393X_PORT10_LANE 0x0a
94
95 /* Port Operational Configuration */
96 #define MV88E6393X_SERDES_POC 0xf002
97 #define MV88E6393X_SERDES_POC_PCS_1000BASEX 0x0000
98 #define MV88E6393X_SERDES_POC_PCS_2500BASEX 0x0001
99 #define MV88E6393X_SERDES_POC_PCS_SGMII_PHY 0x0002
100 #define MV88E6393X_SERDES_POC_PCS_SGMII_MAC 0x0003
101 #define MV88E6393X_SERDES_POC_PCS_5GBASER 0x0004
102 #define MV88E6393X_SERDES_POC_PCS_10GBASER 0x0005
103 #define MV88E6393X_SERDES_POC_PCS_USXGMII_PHY 0x0006
104 #define MV88E6393X_SERDES_POC_PCS_USXGMII_MAC 0x0007
105 #define MV88E6393X_SERDES_POC_PCS_MASK 0x0007
106 #define MV88E6393X_SERDES_POC_RESET BIT(15)
107 #define MV88E6393X_SERDES_POC_PDOWN BIT(5)
108 #define MV88E6393X_SERDES_POC_AN BIT(3)
109 #define MV88E6393X_SERDES_CTRL1 0xf003
110 #define MV88E6393X_SERDES_CTRL1_TX_PDOWN BIT(9)
111 #define MV88E6393X_SERDES_CTRL1_RX_PDOWN BIT(8)
112
113 #define MV88E6393X_ERRATA_4_8_REG 0xF074
114 #define MV88E6393X_ERRATA_4_8_BIT BIT(14)
115
116 int mv88e6xxx_pcs_decode_state(struct device *dev, u16 bmsr, u16 lpa,
117 u16 status, struct phylink_link_state *state);
118
119 int mv88e6341_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
120 int mv88e6390_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
121 int mv88e6390x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
122 int mv88e6393x_serdes_get_lane(struct mv88e6xxx_chip *chip, int port);
123 unsigned int mv88e6352_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
124 int port);
125 unsigned int mv88e6390_serdes_irq_mapping(struct mv88e6xxx_chip *chip,
126 int port);
127 int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
128 int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip,
129 int port, uint8_t *data);
130 int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
131 uint64_t *data);
132 int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
133 int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip,
134 int port, uint8_t *data);
135 int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
136 uint64_t *data);
137
138 int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port);
139 void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p);
140 int mv88e6390_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port);
141 void mv88e6390_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p);
142
143 int mv88e6352_serdes_set_tx_amplitude(struct mv88e6xxx_chip *chip, int port,
144 int val);
145
146 /* Return the (first) SERDES lane address a port is using, -errno otherwise. */
mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip * chip,int port)147 static inline int mv88e6xxx_serdes_get_lane(struct mv88e6xxx_chip *chip,
148 int port)
149 {
150 if (!chip->info->ops->serdes_get_lane)
151 return -EOPNOTSUPP;
152
153 return chip->info->ops->serdes_get_lane(chip, port);
154 }
155
156 static inline unsigned int
mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip * chip,int port)157 mv88e6xxx_serdes_irq_mapping(struct mv88e6xxx_chip *chip, int port)
158 {
159 if (!chip->info->ops->serdes_irq_mapping)
160 return 0;
161
162 return chip->info->ops->serdes_irq_mapping(chip, port);
163 }
164
165 extern const struct mv88e6xxx_pcs_ops mv88e6185_pcs_ops;
166 extern const struct mv88e6xxx_pcs_ops mv88e6352_pcs_ops;
167 extern const struct mv88e6xxx_pcs_ops mv88e6390_pcs_ops;
168 extern const struct mv88e6xxx_pcs_ops mv88e6393x_pcs_ops;
169
170 #endif
171
