xref: /openbmc/u-boot/include/miiphy.h (revision d4562e09)
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 <net.h>
38 
39 int miiphy_read (const char *devname, unsigned char addr, unsigned char reg,
40 		 unsigned short *value);
41 int miiphy_write (const char *devname, unsigned char addr, unsigned char reg,
42 		  unsigned short value);
43 int miiphy_info (const char *devname, unsigned char addr, unsigned int *oui,
44 		 unsigned char *model, unsigned char *rev);
45 int miiphy_reset (const char *devname, unsigned char addr);
46 int miiphy_speed (const char *devname, unsigned char addr);
47 int miiphy_duplex (const char *devname, unsigned char addr);
48 int miiphy_is_1000base_x (const char *devname, unsigned char addr);
49 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
50 int miiphy_link (const char *devname, unsigned char addr);
51 #endif
52 
53 void miiphy_init (void);
54 
55 void miiphy_register (const char *devname,
56 		      int (*read) (const char *devname, unsigned char addr,
57 				   unsigned char reg, unsigned short *value),
58 		      int (*write) (const char *devname, unsigned char addr,
59 				    unsigned char reg, unsigned short value));
60 
61 int miiphy_set_current_dev (const char *devname);
62 const char *miiphy_get_current_dev (void);
63 
64 void miiphy_listdev (void);
65 
66 #ifdef CONFIG_BITBANGMII
67 
68 #define BB_MII_DEVNAME	"bb_miiphy"
69 
70 struct bb_miiphy_bus {
71 	char name[NAMESIZE];
72 	int (*init)(struct bb_miiphy_bus *bus);
73 	int (*mdio_active)(struct bb_miiphy_bus *bus);
74 	int (*mdio_tristate)(struct bb_miiphy_bus *bus);
75 	int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
76 	int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
77 	int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
78 	int (*delay)(struct bb_miiphy_bus *bus);
79 #ifdef CONFIG_BITBANGMII_MULTI
80 	void *priv;
81 #endif
82 };
83 
84 extern struct bb_miiphy_bus bb_miiphy_buses[];
85 extern int bb_miiphy_buses_num;
86 
87 void bb_miiphy_init (void);
88 int bb_miiphy_read (const char *devname, unsigned char addr,
89 		    unsigned char reg, unsigned short *value);
90 int bb_miiphy_write (const char *devname, unsigned char addr,
91 		     unsigned char reg, unsigned short value);
92 #endif
93 
94 /* phy seed setup */
95 #define AUTO			99
96 #define _1000BASET		1000
97 #define _100BASET		100
98 #define _10BASET		10
99 #define HALF			22
100 #define FULL			44
101 
102 /* phy register offsets */
103 #define PHY_BMCR		0x00
104 #define PHY_BMSR		0x01
105 #define PHY_PHYIDR1		0x02
106 #define PHY_PHYIDR2		0x03
107 #define PHY_ANAR		0x04
108 #define PHY_ANLPAR		0x05
109 #define PHY_ANER		0x06
110 #define PHY_ANNPTR		0x07
111 #define PHY_ANLPNP		0x08
112 #define PHY_1000BTCR		0x09
113 #define PHY_1000BTSR		0x0A
114 #define PHY_EXSR		0x0F
115 #define PHY_PHYSTS		0x10
116 #define PHY_MIPSCR		0x11
117 #define PHY_MIPGSR		0x12
118 #define PHY_DCR			0x13
119 #define PHY_FCSCR		0x14
120 #define PHY_RECR		0x15
121 #define PHY_PCSR		0x16
122 #define PHY_LBR			0x17
123 #define PHY_10BTSCR		0x18
124 #define PHY_PHYCTRL		0x19
125 
126 /* PHY BMCR */
127 #define PHY_BMCR_RESET		0x8000
128 #define PHY_BMCR_LOOP		0x4000
129 #define PHY_BMCR_100MB		0x2000
130 #define PHY_BMCR_AUTON		0x1000
131 #define PHY_BMCR_POWD		0x0800
132 #define PHY_BMCR_ISO		0x0400
133 #define PHY_BMCR_RST_NEG	0x0200
134 #define PHY_BMCR_DPLX		0x0100
135 #define PHY_BMCR_COL_TST	0x0080
136 
137 #define PHY_BMCR_SPEED_MASK	0x2040
138 #define PHY_BMCR_1000_MBPS	0x0040
139 #define PHY_BMCR_100_MBPS	0x2000
140 #define PHY_BMCR_10_MBPS	0x0000
141 
142 /* phy BMSR */
143 #define PHY_BMSR_100T4		0x8000
144 #define PHY_BMSR_100TXF		0x4000
145 #define PHY_BMSR_100TXH		0x2000
146 #define PHY_BMSR_10TF		0x1000
147 #define PHY_BMSR_10TH		0x0800
148 #define PHY_BMSR_EXT_STAT	0x0100
149 #define PHY_BMSR_PRE_SUP	0x0040
150 #define PHY_BMSR_AUTN_COMP	0x0020
151 #define PHY_BMSR_RF		0x0010
152 #define PHY_BMSR_AUTN_ABLE	0x0008
153 #define PHY_BMSR_LS		0x0004
154 #define PHY_BMSR_JD		0x0002
155 #define PHY_BMSR_EXT		0x0001
156 
157 /*phy ANLPAR */
158 #define PHY_ANLPAR_NP		0x8000
159 #define PHY_ANLPAR_ACK		0x4000
160 #define PHY_ANLPAR_RF		0x2000
161 #define PHY_ANLPAR_ASYMP	0x0800
162 #define PHY_ANLPAR_PAUSE	0x0400
163 #define PHY_ANLPAR_T4		0x0200
164 #define PHY_ANLPAR_TXFD		0x0100
165 #define PHY_ANLPAR_TX		0x0080
166 #define PHY_ANLPAR_10FD		0x0040
167 #define PHY_ANLPAR_10		0x0020
168 #define PHY_ANLPAR_100		0x0380	/* we can run at 100 */
169 /* phy ANLPAR 1000BASE-X */
170 #define PHY_X_ANLPAR_NP		0x8000
171 #define PHY_X_ANLPAR_ACK	0x4000
172 #define PHY_X_ANLPAR_RF_MASK	0x3000
173 #define PHY_X_ANLPAR_PAUSE_MASK	0x0180
174 #define PHY_X_ANLPAR_HD		0x0040
175 #define PHY_X_ANLPAR_FD		0x0020
176 
177 #define PHY_ANLPAR_PSB_MASK	0x001f
178 #define PHY_ANLPAR_PSB_802_3	0x0001
179 #define PHY_ANLPAR_PSB_802_9	0x0002
180 
181 /* phy 1000BTCR */
182 #define PHY_1000BTCR_1000FD	0x0200
183 #define PHY_1000BTCR_1000HD	0x0100
184 
185 /* phy 1000BTSR */
186 #define PHY_1000BTSR_MSCF	0x8000
187 #define PHY_1000BTSR_MSCR	0x4000
188 #define PHY_1000BTSR_LRS	0x2000
189 #define PHY_1000BTSR_RRS	0x1000
190 #define PHY_1000BTSR_1000FD	0x0800
191 #define PHY_1000BTSR_1000HD	0x0400
192 
193 /* phy EXSR */
194 #define PHY_EXSR_1000XF		0x8000
195 #define PHY_EXSR_1000XH		0x4000
196 #define PHY_EXSR_1000TF		0x2000
197 #define PHY_EXSR_1000TH		0x1000
198 
199 #endif
200