2 * Copyright 2011 Freescale Semiconductor, Inc.
3 * Andy Fleming <afleming@gmail.com>
5 * SPDX-License-Identifier: GPL-2.0+
7 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
13 #include <linux/list.h>
14 #include <linux/mii.h>
15 #include <linux/ethtool.h>
16 #include <linux/mdio.h>
18 #define PHY_FIXED_ID 0xa5a55a5a
20 #define PHY_MAX_ADDR 32
22 #define PHY_FLAG_BROKEN_RESET (1 << 0) /* soft reset not supported */
24 #define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
28 #define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
29 SUPPORTED_10baseT_Full)
31 #define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
32 SUPPORTED_100baseT_Full)
34 #define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
35 SUPPORTED_1000baseT_Full)
37 #define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
38 PHY_100BT_FEATURES | \
41 #define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
44 #define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
45 SUPPORTED_10000baseT_Full)
47 #ifndef PHY_ANEG_TIMEOUT
48 #define PHY_ANEG_TIMEOUT 4000
53 PHY_INTERFACE_MODE_MII
,
54 PHY_INTERFACE_MODE_GMII
,
55 PHY_INTERFACE_MODE_SGMII
,
56 PHY_INTERFACE_MODE_SGMII_2500
,
57 PHY_INTERFACE_MODE_QSGMII
,
58 PHY_INTERFACE_MODE_TBI
,
59 PHY_INTERFACE_MODE_RMII
,
60 PHY_INTERFACE_MODE_RGMII
,
61 PHY_INTERFACE_MODE_RGMII_ID
,
62 PHY_INTERFACE_MODE_RGMII_RXID
,
63 PHY_INTERFACE_MODE_RGMII_TXID
,
64 PHY_INTERFACE_MODE_RTBI
,
65 PHY_INTERFACE_MODE_XGMII
,
66 PHY_INTERFACE_MODE_NONE
, /* Must be last */
68 PHY_INTERFACE_MODE_COUNT
,
71 static const char *phy_interface_strings
[] = {
72 [PHY_INTERFACE_MODE_MII
] = "mii",
73 [PHY_INTERFACE_MODE_GMII
] = "gmii",
74 [PHY_INTERFACE_MODE_SGMII
] = "sgmii",
75 [PHY_INTERFACE_MODE_SGMII_2500
] = "sgmii-2500",
76 [PHY_INTERFACE_MODE_QSGMII
] = "qsgmii",
77 [PHY_INTERFACE_MODE_TBI
] = "tbi",
78 [PHY_INTERFACE_MODE_RMII
] = "rmii",
79 [PHY_INTERFACE_MODE_RGMII
] = "rgmii",
80 [PHY_INTERFACE_MODE_RGMII_ID
] = "rgmii-id",
81 [PHY_INTERFACE_MODE_RGMII_RXID
] = "rgmii-rxid",
82 [PHY_INTERFACE_MODE_RGMII_TXID
] = "rgmii-txid",
83 [PHY_INTERFACE_MODE_RTBI
] = "rtbi",
84 [PHY_INTERFACE_MODE_XGMII
] = "xgmii",
85 [PHY_INTERFACE_MODE_NONE
] = "",
88 static inline const char *phy_string_for_interface(phy_interface_t i
)
90 /* Default to unknown */
91 if (i
> PHY_INTERFACE_MODE_NONE
)
92 i
= PHY_INTERFACE_MODE_NONE
;
94 return phy_interface_strings
[i
];
100 #define MDIO_NAME_LEN 32
103 struct list_head link
;
104 char name
[MDIO_NAME_LEN
];
106 int (*read
)(struct mii_dev
*bus
, int addr
, int devad
, int reg
);
107 int (*write
)(struct mii_dev
*bus
, int addr
, int devad
, int reg
,
109 int (*reset
)(struct mii_dev
*bus
);
110 struct phy_device
*phymap
[PHY_MAX_ADDR
];
114 /* struct phy_driver: a structure which defines PHY behavior
116 * uid will contain a number which represents the PHY. During
117 * startup, the driver will poll the PHY to find out what its
118 * UID--as defined by registers 2 and 3--is. The 32-bit result
119 * gotten from the PHY will be masked to
120 * discard any bits which may change based on revision numbers
121 * unimportant to functionality
132 /* Called to do any driver startup necessities */
133 /* Will be called during phy_connect */
134 int (*probe
)(struct phy_device
*phydev
);
136 /* Called to configure the PHY, and modify the controller
137 * based on the results. Should be called after phy_connect */
138 int (*config
)(struct phy_device
*phydev
);
140 /* Called when starting up the controller */
141 int (*startup
)(struct phy_device
*phydev
);
143 /* Called when bringing down the controller */
144 int (*shutdown
)(struct phy_device
*phydev
);
146 int (*readext
)(struct phy_device
*phydev
, int addr
, int devad
, int reg
);
147 int (*writeext
)(struct phy_device
*phydev
, int addr
, int devad
, int reg
,
149 struct list_head list
;
153 /* Information about the PHY type */
154 /* And management functions */
156 struct phy_driver
*drv
;
162 struct eth_device
*dev
;
165 /* forced speed & duplex (no autoneg)
166 * partner speed & duplex & pause (autoneg)
171 /* The most recently read link state */
174 phy_interface_t interface
;
196 static inline int phy_read(struct phy_device
*phydev
, int devad
, int regnum
)
198 struct mii_dev
*bus
= phydev
->bus
;
200 return bus
->read(bus
, phydev
->addr
, devad
, regnum
);
203 static inline int phy_write(struct phy_device
*phydev
, int devad
, int regnum
,
206 struct mii_dev
*bus
= phydev
->bus
;
208 return bus
->write(bus
, phydev
->addr
, devad
, regnum
, val
);
211 #ifdef CONFIG_PHYLIB_10G
212 extern struct phy_driver gen10g_driver
;
214 /* For now, XGMII is the only 10G interface */
215 static inline int is_10g_interface(phy_interface_t interface
)
217 return interface
== PHY_INTERFACE_MODE_XGMII
;
223 int phy_reset(struct phy_device
*phydev
);
224 struct phy_device
*phy_find_by_mask(struct mii_dev
*bus
, unsigned phy_mask
,
225 phy_interface_t interface
);
227 void phy_connect_dev(struct phy_device
*phydev
, struct udevice
*dev
);
228 struct phy_device
*phy_connect(struct mii_dev
*bus
, int addr
,
230 phy_interface_t interface
);
232 void phy_connect_dev(struct phy_device
*phydev
, struct eth_device
*dev
);
233 struct phy_device
*phy_connect(struct mii_dev
*bus
, int addr
,
234 struct eth_device
*dev
,
235 phy_interface_t interface
);
237 int phy_startup(struct phy_device
*phydev
);
238 int phy_config(struct phy_device
*phydev
);
239 int phy_shutdown(struct phy_device
*phydev
);
240 int phy_register(struct phy_driver
*drv
);
241 int phy_set_supported(struct phy_device
*phydev
, u32 max_speed
);
242 int genphy_config_aneg(struct phy_device
*phydev
);
243 int genphy_restart_aneg(struct phy_device
*phydev
);
244 int genphy_update_link(struct phy_device
*phydev
);
245 int genphy_parse_link(struct phy_device
*phydev
);
246 int genphy_config(struct phy_device
*phydev
);
247 int genphy_startup(struct phy_device
*phydev
);
248 int genphy_shutdown(struct phy_device
*phydev
);
249 int gen10g_config(struct phy_device
*phydev
);
250 int gen10g_startup(struct phy_device
*phydev
);
251 int gen10g_shutdown(struct phy_device
*phydev
);
252 int gen10g_discover_mmds(struct phy_device
*phydev
);
254 int phy_mv88e61xx_init(void);
255 int phy_aquantia_init(void);
256 int phy_atheros_init(void);
257 int phy_broadcom_init(void);
258 int phy_cortina_init(void);
259 int phy_davicom_init(void);
260 int phy_et1011c_init(void);
261 int phy_lxt_init(void);
262 int phy_marvell_init(void);
263 int phy_micrel_init(void);
264 int phy_natsemi_init(void);
265 int phy_realtek_init(void);
266 int phy_smsc_init(void);
267 int phy_teranetics_init(void);
268 int phy_ti_init(void);
269 int phy_vitesse_init(void);
270 int phy_xilinx_init(void);
271 int phy_mscc_init(void);
272 int phy_fixed_init(void);
274 int board_phy_config(struct phy_device
*phydev
);
275 int get_phy_id(struct mii_dev
*bus
, int addr
, int devad
, u32
*phy_id
);
278 * phy_get_interface_by_name() - Look up a PHY interface name
280 * @str: PHY interface name, e.g. "mii"
281 * @return PHY_INTERFACE_MODE_... value, or -1 if not found
283 int phy_get_interface_by_name(const char *str
);
286 * phy_interface_is_rgmii - Convenience function for testing if a PHY interface
287 * is RGMII (all variants)
288 * @phydev: the phy_device struct
290 static inline bool phy_interface_is_rgmii(struct phy_device
*phydev
)
292 return phydev
->interface
>= PHY_INTERFACE_MODE_RGMII
&&
293 phydev
->interface
<= PHY_INTERFACE_MODE_RGMII_TXID
;
297 * phy_interface_is_sgmii - Convenience function for testing if a PHY interface
298 * is SGMII (all variants)
299 * @phydev: the phy_device struct
301 static inline bool phy_interface_is_sgmii(struct phy_device
*phydev
)
303 return phydev
->interface
>= PHY_INTERFACE_MODE_SGMII
&&
304 phydev
->interface
<= PHY_INTERFACE_MODE_QSGMII
;
307 /* PHY UIDs for various PHYs that are referenced in external code */
308 #define PHY_UID_CS4340 0x13e51002
309 #define PHY_UID_TN2020 0x00a19410