xref: /openbmc/u-boot/include/miiphy.h (revision fc47cf9d)
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 int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
25 		 unsigned short *value);
26 int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
27 		  unsigned short value);
28 int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
29 		 unsigned char *model, unsigned char *rev);
30 int miiphy_reset(const char *devname, unsigned char addr);
31 int miiphy_speed(const char *devname, unsigned char addr);
32 int miiphy_duplex(const char *devname, unsigned char addr);
33 int miiphy_is_1000base_x(const char *devname, unsigned char addr);
34 #ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
35 int miiphy_link(const char *devname, unsigned char addr);
36 #endif
37 
38 void miiphy_init(void);
39 
40 int miiphy_set_current_dev(const char *devname);
41 const char *miiphy_get_current_dev(void);
42 struct mii_dev *mdio_get_current_dev(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 int mdio_unregister(struct mii_dev *bus);
52 void mdio_list_devices(void);
53 
54 #ifdef CONFIG_BITBANGMII
55 
56 #define BB_MII_DEVNAME	"bb_miiphy"
57 
58 struct bb_miiphy_bus {
59 	char name[16];
60 	int (*init)(struct bb_miiphy_bus *bus);
61 	int (*mdio_active)(struct bb_miiphy_bus *bus);
62 	int (*mdio_tristate)(struct bb_miiphy_bus *bus);
63 	int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
64 	int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
65 	int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
66 	int (*delay)(struct bb_miiphy_bus *bus);
67 #ifdef CONFIG_BITBANGMII_MULTI
68 	void *priv;
69 #endif
70 };
71 
72 extern struct bb_miiphy_bus bb_miiphy_buses[];
73 extern int bb_miiphy_buses_num;
74 
75 void bb_miiphy_init(void);
76 int bb_miiphy_read(struct mii_dev *miidev, int addr, int devad, int reg);
77 int bb_miiphy_write(struct mii_dev *miidev, int addr, int devad, int reg,
78 		    u16 value);
79 #endif
80 
81 /* phy seed setup */
82 #define AUTO			99
83 #define _1000BASET		1000
84 #define _100BASET		100
85 #define _10BASET		10
86 #define HALF			22
87 #define FULL			44
88 
89 /* phy register offsets */
90 #define MII_MIPSCR		0x11
91 
92 /* MII_LPA */
93 #define PHY_ANLPAR_PSB_802_3	0x0001
94 #define PHY_ANLPAR_PSB_802_9	0x0002
95 
96 /* MII_CTRL1000 masks */
97 #define PHY_1000BTCR_1000FD	0x0200
98 #define PHY_1000BTCR_1000HD	0x0100
99 
100 /* MII_STAT1000 masks */
101 #define PHY_1000BTSR_MSCF	0x8000
102 #define PHY_1000BTSR_MSCR	0x4000
103 #define PHY_1000BTSR_LRS	0x2000
104 #define PHY_1000BTSR_RRS	0x1000
105 #define PHY_1000BTSR_1000FD	0x0800
106 #define PHY_1000BTSR_1000HD	0x0400
107 
108 /* phy EXSR */
109 #define ESTATUS_1000XF		0x8000
110 #define ESTATUS_1000XH		0x4000
111 
112 #endif
113