2 * Copyright (C) 2005 Freescale Semiconductor, Inc.
4 * Author: Shlomi Gridish <gridish@freescale.com>
6 * Description: UCC ethernet driver -- PHY handling
8 * Based on 8260_io/fcc_enet.c
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
19 #define MII_end ((u32)-2)
20 #define MII_read ((u32)-1)
22 #define MIIMIND_BUSY 0x00000001
23 #define MIIMIND_NOTVALID 0x00000004
25 #define UGETH_AN_TIMEOUT 2000
27 /* 1000BT control (Marvell & BCM54xx at least) */
28 #define MII_1000BASETCONTROL 0x09
29 #define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200
30 #define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100
32 /* Cicada Extended Control Register 1 */
33 #define MII_CIS8201_EXT_CON1 0x17
34 #define MII_CIS8201_EXTCON1_INIT 0x0000
36 /* Cicada Interrupt Mask Register */
37 #define MII_CIS8201_IMASK 0x19
38 #define MII_CIS8201_IMASK_IEN 0x8000
39 #define MII_CIS8201_IMASK_SPEED 0x4000
40 #define MII_CIS8201_IMASK_LINK 0x2000
41 #define MII_CIS8201_IMASK_DUPLEX 0x1000
42 #define MII_CIS8201_IMASK_MASK 0xf000
44 /* Cicada Interrupt Status Register */
45 #define MII_CIS8201_ISTAT 0x1a
46 #define MII_CIS8201_ISTAT_STATUS 0x8000
47 #define MII_CIS8201_ISTAT_SPEED 0x4000
48 #define MII_CIS8201_ISTAT_LINK 0x2000
49 #define MII_CIS8201_ISTAT_DUPLEX 0x1000
51 /* Cicada Auxiliary Control/Status Register */
52 #define MII_CIS8201_AUX_CONSTAT 0x1c
53 #define MII_CIS8201_AUXCONSTAT_INIT 0x0004
54 #define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020
55 #define MII_CIS8201_AUXCONSTAT_SPEED 0x0018
56 #define MII_CIS8201_AUXCONSTAT_GBIT 0x0010
57 #define MII_CIS8201_AUXCONSTAT_100 0x0008
59 /* 88E1011 PHY Status Register */
60 #define MII_M1011_PHY_SPEC_STATUS 0x11
61 #define MII_M1011_PHY_SPEC_STATUS_1000 0x8000
62 #define MII_M1011_PHY_SPEC_STATUS_100 0x4000
63 #define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000
64 #define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000
65 #define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800
66 #define MII_M1011_PHY_SPEC_STATUS_LINK 0x0400
68 #define MII_M1011_IEVENT 0x13
69 #define MII_M1011_IEVENT_CLEAR 0x0000
71 #define MII_M1011_IMASK 0x12
72 #define MII_M1011_IMASK_INIT 0x6400
73 #define MII_M1011_IMASK_CLEAR 0x0000
75 #define MII_DM9161_SCR 0x10
76 #define MII_DM9161_SCR_INIT 0x0610
77 #define MII_DM9161_SCR_RMII_INIT 0x0710
79 /* DM9161 Specified Configuration and Status Register */
80 #define MII_DM9161_SCSR 0x11
81 #define MII_DM9161_SCSR_100F 0x8000
82 #define MII_DM9161_SCSR_100H 0x4000
83 #define MII_DM9161_SCSR_10F 0x2000
84 #define MII_DM9161_SCSR_10H 0x1000
86 /* DM9161 Interrupt Register */
87 #define MII_DM9161_INTR 0x15
88 #define MII_DM9161_INTR_PEND 0x8000
89 #define MII_DM9161_INTR_DPLX_MASK 0x0800
90 #define MII_DM9161_INTR_SPD_MASK 0x0400
91 #define MII_DM9161_INTR_LINK_MASK 0x0200
92 #define MII_DM9161_INTR_MASK 0x0100
93 #define MII_DM9161_INTR_DPLX_CHANGE 0x0010
94 #define MII_DM9161_INTR_SPD_CHANGE 0x0008
95 #define MII_DM9161_INTR_LINK_CHANGE 0x0004
96 #define MII_DM9161_INTR_INIT 0x0000
97 #define MII_DM9161_INTR_STOP \
98 (MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \
99 | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK)
101 /* DM9161 10BT Configuration/Status */
102 #define MII_DM9161_10BTCSR 0x12
103 #define MII_DM9161_10BTCSR_INIT 0x7800
105 #define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
106 SUPPORTED_10baseT_Full | \
107 SUPPORTED_100baseT_Half | \
108 SUPPORTED_100baseT_Full | \
109 SUPPORTED_Autoneg | \
113 #define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \
114 SUPPORTED_1000baseT_Half | \
115 SUPPORTED_1000baseT_Full)
117 #define MII_READ_COMMAND 0x00000001
119 #define MII_INTERRUPT_DISABLED 0x0
120 #define MII_INTERRUPT_ENABLED 0x1
123 #define SPEED_100 100
124 #define SPEED_1000 1000
126 /* Duplex, half or full. */
127 #define DUPLEX_HALF 0x00
128 #define DUPLEX_FULL 0x01
130 /* Indicates what features are supported by the interface. */
131 #define SUPPORTED_10baseT_Half (1 << 0)
132 #define SUPPORTED_10baseT_Full (1 << 1)
133 #define SUPPORTED_100baseT_Half (1 << 2)
134 #define SUPPORTED_100baseT_Full (1 << 3)
135 #define SUPPORTED_1000baseT_Half (1 << 4)
136 #define SUPPORTED_1000baseT_Full (1 << 5)
137 #define SUPPORTED_Autoneg (1 << 6)
138 #define SUPPORTED_TP (1 << 7)
139 #define SUPPORTED_AUI (1 << 8)
140 #define SUPPORTED_MII (1 << 9)
141 #define SUPPORTED_FIBRE (1 << 10)
142 #define SUPPORTED_BNC (1 << 11)
143 #define SUPPORTED_10000baseT_Full (1 << 12)
145 #define ADVERTISED_10baseT_Half (1 << 0)
146 #define ADVERTISED_10baseT_Full (1 << 1)
147 #define ADVERTISED_100baseT_Half (1 << 2)
148 #define ADVERTISED_100baseT_Full (1 << 3)
149 #define ADVERTISED_1000baseT_Half (1 << 4)
150 #define ADVERTISED_1000baseT_Full (1 << 5)
151 #define ADVERTISED_Autoneg (1 << 6)
152 #define ADVERTISED_TP (1 << 7)
153 #define ADVERTISED_AUI (1 << 8)
154 #define ADVERTISED_MII (1 << 9)
155 #define ADVERTISED_FIBRE (1 << 10)
156 #define ADVERTISED_BNC (1 << 11)
157 #define ADVERTISED_10000baseT_Full (1 << 12)
159 /* Advertisement control register. */
160 #define ADVERTISE_SLCT 0x001f /* Selector bits */
161 #define ADVERTISE_CSMA 0x0001 /* Only selector supported */
162 #define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */
163 #define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */
164 #define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */
165 #define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */
166 #define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */
167 #define ADVERTISE_RESV 0x1c00 /* Unused... */
168 #define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
169 #define ADVERTISE_LPACK 0x4000 /* Ack link partners response */
170 #define ADVERTISE_NPAGE 0x8000 /* Next page bit */
172 #define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
174 #define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
175 ADVERTISE_100HALF | ADVERTISE_100FULL)
177 /* Taken from mii_if_info and sungem_phy.h */
178 struct uec_mii_info {
179 /* Information about the PHY type */
180 /* And management functions */
181 struct phy_info *phyinfo;
183 struct eth_device *dev;
185 /* forced speed & duplex (no autoneg)
186 * partner speed & duplex & pause (autoneg)
192 /* The most recently read link state */
195 /* Enabled Interrupts */
202 /* private data pointer */
203 /* For use by PHYs to maintain extra state */
206 /* Provided by ethernet driver */
207 int (*mdio_read) (struct eth_device * dev, int mii_id, int reg);
208 void (*mdio_write) (struct eth_device * dev, int mii_id, int reg,
212 /* struct phy_info: a structure which defines attributes for a PHY
214 * id will contain a number which represents the PHY. During
215 * startup, the driver will poll the PHY to find out what its
216 * UID--as defined by registers 2 and 3--is. The 32-bit result
217 * gotten from the PHY will be ANDed with phy_id_mask to
218 * discard any bits which may change based on revision numbers
219 * unimportant to functionality
221 * There are 6 commands which take a ugeth_mii_info structure.
222 * Each PHY must declare config_aneg, and read_status.
227 unsigned int phy_id_mask;
230 /* Called to initialize the PHY */
231 int (*init) (struct uec_mii_info * mii_info);
233 /* Called to suspend the PHY for power */
234 int (*suspend) (struct uec_mii_info * mii_info);
236 /* Reconfigures autonegotiation (or disables it) */
237 int (*config_aneg) (struct uec_mii_info * mii_info);
239 /* Determines the negotiated speed and duplex */
240 int (*read_status) (struct uec_mii_info * mii_info);
242 /* Clears any pending interrupts */
243 int (*ack_interrupt) (struct uec_mii_info * mii_info);
245 /* Enables or disables interrupts */
246 int (*config_intr) (struct uec_mii_info * mii_info);
248 /* Clears up any memory if needed */
249 void (*close) (struct uec_mii_info * mii_info);
252 struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info);
253 void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum,
255 int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum);
256 void mii_clear_phy_interrupt (struct uec_mii_info *mii_info);
257 void mii_configure_phy_interrupt (struct uec_mii_info *mii_info,
259 #endif /* __UEC_PHY_H__ */