xref: /openbmc/u-boot/include/miiphy.h (revision 7237d22b)
1 /*
2  * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
3  *
4  * Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
5  */
6 /*----------------------------------------------------------------------------+
7 |
8 |  File Name:	miiphy.h
9 |
10 |  Function:	Include file defining PHY registers.
11 |
12 |  Author:	Mark Wisner
13 |
14 +----------------------------------------------------------------------------*/
15 #ifndef _miiphy_h_
16 #define _miiphy_h_
17 
18 #include <common.h>
19 #include <linux/mii.h>
20 #include <linux/list.h>
21 #include <net.h>
22 #include <phy.h>
23 
24 struct legacy_mii_dev {
25 	int (*read)(const char *devname, unsigned char addr,
26 		     unsigned char reg, unsigned short *value);
27 	int (*write)(const char *devname, unsigned char addr,
28 		      unsigned char reg, unsigned short value);
29 };
30 
31 int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
32 		 unsigned short *value);
33 int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
34 		  unsigned short value);
35 int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
36 		 unsigned char *model, unsigned char *rev);
37 int miiphy_reset(const char *devname, unsigned char addr);
38 int miiphy_speed(const char *devname, unsigned char addr);
39 int miiphy_duplex(const char *devname, unsigned char addr);
40 int miiphy_is_1000base_x(const char *devname, unsigned char addr);
41 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
42 int miiphy_link(const char *devname, unsigned char addr);
43 #endif
44 
45 void miiphy_init(void);
46 
47 void miiphy_register(const char *devname,
48 		      int (*read)(const char *devname, unsigned char addr,
49 				   unsigned char reg, unsigned short *value),
50 		      int (*write)(const char *devname, unsigned char addr,
51 				    unsigned char reg, unsigned short value));
52 
53 int miiphy_set_current_dev(const char *devname);
54 const char *miiphy_get_current_dev(void);
55 struct mii_dev *mdio_get_current_dev(void);
56 struct mii_dev *miiphy_get_dev_by_name(const char *devname);
57 struct phy_device *mdio_phydev_for_ethname(const char *devname);
58 
59 void miiphy_listdev(void);
60 
61 struct mii_dev *mdio_alloc(void);
62 int mdio_register(struct mii_dev *bus);
63 void mdio_list_devices(void);
64 
65 #ifdef CONFIG_BITBANGMII
66 
67 #define BB_MII_DEVNAME	"bb_miiphy"
68 
69 struct bb_miiphy_bus {
70 	char name[16];
71 	int (*init)(struct bb_miiphy_bus *bus);
72 	int (*mdio_active)(struct bb_miiphy_bus *bus);
73 	int (*mdio_tristate)(struct bb_miiphy_bus *bus);
74 	int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
75 	int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
76 	int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
77 	int (*delay)(struct bb_miiphy_bus *bus);
78 #ifdef CONFIG_BITBANGMII_MULTI
79 	void *priv;
80 #endif
81 };
82 
83 extern struct bb_miiphy_bus bb_miiphy_buses[];
84 extern int bb_miiphy_buses_num;
85 
86 void bb_miiphy_init(void);
87 int bb_miiphy_read(const char *devname, unsigned char addr,
88 		    unsigned char reg, unsigned short *value);
89 int bb_miiphy_write(const char *devname, unsigned char addr,
90 		     unsigned char reg, unsigned short value);
91 #endif
92 
93 /* phy seed setup */
94 #define AUTO			99
95 #define _1000BASET		1000
96 #define _100BASET		100
97 #define _10BASET		10
98 #define HALF			22
99 #define FULL			44
100 
101 /* phy register offsets */
102 #define MII_MIPSCR		0x11
103 
104 /* MII_LPA */
105 #define PHY_ANLPAR_PSB_802_3	0x0001
106 #define PHY_ANLPAR_PSB_802_9	0x0002
107 
108 /* MII_CTRL1000 masks */
109 #define PHY_1000BTCR_1000FD	0x0200
110 #define PHY_1000BTCR_1000HD	0x0100
111 
112 /* MII_STAT1000 masks */
113 #define PHY_1000BTSR_MSCF	0x8000
114 #define PHY_1000BTSR_MSCR	0x4000
115 #define PHY_1000BTSR_LRS	0x2000
116 #define PHY_1000BTSR_RRS	0x1000
117 #define PHY_1000BTSR_1000FD	0x0800
118 #define PHY_1000BTSR_1000HD	0x0400
119 
120 /* phy EXSR */
121 #define ESTATUS_1000XF		0x8000
122 #define ESTATUS_1000XH		0x4000
123 
124 #endif
125