xref: /openbmc/u-boot/include/miiphy.h (revision e2a53458)
1 /*----------------------------------------------------------------------------+
2 |   This source code is dual-licensed.  You may use it under the terms of the
3 |   GNU General Public License version 2, or under the license below.
4 |
5 |	This source code has been made available to you by IBM on an AS-IS
6 |	basis.	Anyone receiving this source is licensed under IBM
7 |	copyrights to use it in any way he or she deems fit, including
8 |	copying it, modifying it, compiling it, and redistributing it either
9 |	with or without modifications.	No license under IBM patents or
10 |	patent applications is to be implied by the copyright license.
11 |
12 |	Any user of this software should understand that IBM cannot provide
13 |	technical support for this software and will not be responsible for
14 |	any consequences resulting from the use of this software.
15 |
16 |	Any person who transfers this source code or any derivative work
17 |	must include the IBM copyright notice, this paragraph, and the
18 |	preceding two paragraphs in the transferred software.
19 |
20 |	COPYRIGHT   I B M   CORPORATION 1999
21 |	LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M
22 |
23 |   Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
24 +----------------------------------------------------------------------------*/
25 /*----------------------------------------------------------------------------+
26 |
27 |  File Name:	miiphy.h
28 |
29 |  Function:	Include file defining PHY registers.
30 |
31 |  Author:	Mark Wisner
32 |
33 +----------------------------------------------------------------------------*/
34 #ifndef _miiphy_h_
35 #define _miiphy_h_
36 
37 #include <common.h>
38 #include <linux/mii.h>
39 #include <linux/list.h>
40 #include <net.h>
41 #include <phy.h>
42 
43 struct legacy_mii_dev {
44 	int (*read)(const char *devname, unsigned char addr,
45 		     unsigned char reg, unsigned short *value);
46 	int (*write)(const char *devname, unsigned char addr,
47 		      unsigned char reg, unsigned short value);
48 };
49 
50 int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
51 		 unsigned short *value);
52 int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
53 		  unsigned short value);
54 int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
55 		 unsigned char *model, unsigned char *rev);
56 int miiphy_reset(const char *devname, unsigned char addr);
57 int miiphy_speed(const char *devname, unsigned char addr);
58 int miiphy_duplex(const char *devname, unsigned char addr);
59 int miiphy_is_1000base_x(const char *devname, unsigned char addr);
60 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
61 int miiphy_link(const char *devname, unsigned char addr);
62 #endif
63 
64 void miiphy_init(void);
65 
66 void miiphy_register(const char *devname,
67 		      int (*read)(const char *devname, unsigned char addr,
68 				   unsigned char reg, unsigned short *value),
69 		      int (*write)(const char *devname, unsigned char addr,
70 				    unsigned char reg, unsigned short value));
71 
72 int miiphy_set_current_dev(const char *devname);
73 const char *miiphy_get_current_dev(void);
74 struct mii_dev *mdio_get_current_dev(void);
75 struct mii_dev *miiphy_get_dev_by_name(const char *devname);
76 struct phy_device *mdio_phydev_for_ethname(const char *devname);
77 
78 void miiphy_listdev(void);
79 
80 struct mii_dev *mdio_alloc(void);
81 int mdio_register(struct mii_dev *bus);
82 void mdio_list_devices(void);
83 
84 #ifdef CONFIG_BITBANGMII
85 
86 #define BB_MII_DEVNAME	"bb_miiphy"
87 
88 struct bb_miiphy_bus {
89 	char name[NAMESIZE];
90 	int (*init)(struct bb_miiphy_bus *bus);
91 	int (*mdio_active)(struct bb_miiphy_bus *bus);
92 	int (*mdio_tristate)(struct bb_miiphy_bus *bus);
93 	int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
94 	int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
95 	int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
96 	int (*delay)(struct bb_miiphy_bus *bus);
97 #ifdef CONFIG_BITBANGMII_MULTI
98 	void *priv;
99 #endif
100 };
101 
102 extern struct bb_miiphy_bus bb_miiphy_buses[];
103 extern int bb_miiphy_buses_num;
104 
105 void bb_miiphy_init(void);
106 int bb_miiphy_read(const char *devname, unsigned char addr,
107 		    unsigned char reg, unsigned short *value);
108 int bb_miiphy_write(const char *devname, unsigned char addr,
109 		     unsigned char reg, unsigned short value);
110 #endif
111 
112 /* phy seed setup */
113 #define AUTO			99
114 #define _1000BASET		1000
115 #define _100BASET		100
116 #define _10BASET		10
117 #define HALF			22
118 #define FULL			44
119 
120 /* phy register offsets */
121 #define MII_MIPSCR		0x11
122 
123 /* MII_LPA */
124 #define PHY_ANLPAR_PSB_802_3	0x0001
125 #define PHY_ANLPAR_PSB_802_9	0x0002
126 
127 /* MII_CTRL1000 masks */
128 #define PHY_1000BTCR_1000FD	0x0200
129 #define PHY_1000BTCR_1000HD	0x0100
130 
131 /* MII_STAT1000 masks */
132 #define PHY_1000BTSR_MSCF	0x8000
133 #define PHY_1000BTSR_MSCR	0x4000
134 #define PHY_1000BTSR_LRS	0x2000
135 #define PHY_1000BTSR_RRS	0x1000
136 #define PHY_1000BTSR_1000FD	0x0800
137 #define PHY_1000BTSR_1000HD	0x0400
138 
139 /* phy EXSR */
140 #define ESTATUS_1000XF		0x8000
141 #define ESTATUS_1000XH		0x4000
142 
143 #endif
144