xref: /openbmc/u-boot/include/miiphy.h (revision 2f07a9a6)
1 /* SPDX-License-Identifier: GPL-2.0 OR IBM-pibs */
2 /*
3  * Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
4  */
5 /*----------------------------------------------------------------------------+
6 |
7 |  File Name:	miiphy.h
8 |
9 |  Function:	Include file defining PHY registers.
10 |
11 |  Author:	Mark Wisner
12 |
13 +----------------------------------------------------------------------------*/
14 #ifndef _miiphy_h_
15 #define _miiphy_h_
16 
17 #include <common.h>
18 #include <linux/mii.h>
19 #include <linux/list.h>
20 #include <net.h>
21 #include <phy.h>
22 
23 int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
24 		 unsigned short *value);
25 int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
26 		  unsigned short value);
27 int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
28 		 unsigned char *model, unsigned char *rev);
29 int miiphy_reset(const char *devname, unsigned char addr);
30 int miiphy_speed(const char *devname, unsigned char addr);
31 int miiphy_duplex(const char *devname, unsigned char addr);
32 int miiphy_is_1000base_x(const char *devname, unsigned char addr);
33 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
34 int miiphy_link(const char *devname, unsigned char addr);
35 #endif
36 
37 void miiphy_init(void);
38 
39 int miiphy_set_current_dev(const char *devname);
40 const char *miiphy_get_current_dev(void);
41 struct mii_dev *mdio_get_current_dev(void);
42 struct list_head *mdio_get_list_head(void);
43 struct mii_dev *miiphy_get_dev_by_name(const char *devname);
44 struct phy_device *mdio_phydev_for_ethname(const char *devname);
45 
46 void miiphy_listdev(void);
47 
48 struct mii_dev *mdio_alloc(void);
49 void mdio_free(struct mii_dev *bus);
50 int mdio_register(struct mii_dev *bus);
51 
52 /**
53  * mdio_register_seq - Register mdio bus with sequence number
54  * @bus: mii device structure
55  * @seq: sequence number
56  *
57  * Return: 0 if success, negative value if error
58  */
59 int mdio_register_seq(struct mii_dev *bus, int seq);
60 int mdio_unregister(struct mii_dev *bus);
61 void mdio_list_devices(void);
62 
63 #ifdef CONFIG_BITBANGMII
64 
65 #define BB_MII_DEVNAME	"bb_miiphy"
66 
67 struct bb_miiphy_bus {
68 	char name[16];
69 	int (*init)(struct bb_miiphy_bus *bus);
70 	int (*mdio_active)(struct bb_miiphy_bus *bus);
71 	int (*mdio_tristate)(struct bb_miiphy_bus *bus);
72 	int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
73 	int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
74 	int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
75 	int (*delay)(struct bb_miiphy_bus *bus);
76 #ifdef CONFIG_BITBANGMII_MULTI
77 	void *priv;
78 #endif
79 };
80 
81 extern struct bb_miiphy_bus bb_miiphy_buses[];
82 extern int bb_miiphy_buses_num;
83 
84 void bb_miiphy_init(void);
85 int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg);
86 int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
87 		    u16 value);
88 #endif
89 
90 /* phy seed setup */
91 #define AUTO			99
92 #define _1000BASET		1000
93 #define _100BASET		100
94 #define _10BASET		10
95 #define HALF			22
96 #define FULL			44
97 
98 /* phy register offsets */
99 #define MII_MIPSCR		0x11
100 
101 /* MII_LPA */
102 #define PHY_ANLPAR_PSB_802_3	0x0001
103 #define PHY_ANLPAR_PSB_802_9	0x0002
104 
105 /* MII_CTRL1000 masks */
106 #define PHY_1000BTCR_1000FD	0x0200
107 #define PHY_1000BTCR_1000HD	0x0100
108 
109 /* MII_STAT1000 masks */
110 #define PHY_1000BTSR_MSCF	0x8000
111 #define PHY_1000BTSR_MSCR	0x4000
112 #define PHY_1000BTSR_LRS	0x2000
113 #define PHY_1000BTSR_RRS	0x1000
114 #define PHY_1000BTSR_1000FD	0x0800
115 #define PHY_1000BTSR_1000HD	0x0400
116 
117 /* phy EXSR */
118 #define ESTATUS_1000XF		0x8000
119 #define ESTATUS_1000XH		0x4000
120 
121 #endif
122