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7737d5c6 DL |
1 | /* |
2 | * Copyright (C) 2005 Freescale Semiconductor, Inc. | |
3 | * | |
4 | * Author: Shlomi Gridish <gridish@freescale.com> | |
5 | * | |
6 | * Description: UCC ethernet driver -- PHY handling | |
dd520bf3 WD |
7 | * Driver for UEC on QE |
8 | * Based on 8260_io/fcc_enet.c | |
7737d5c6 | 9 | * |
dd520bf3 WD |
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 | |
7737d5c6 DL |
12 | * Free Software Foundation; either version 2 of the License, or (at your |
13 | * option) any later version. | |
14 | * | |
15 | */ | |
16 | #ifndef __UEC_PHY_H__ | |
17 | #define __UEC_PHY_H__ | |
18 | ||
19 | #define MII_end ((u32)-2) | |
20 | #define MII_read ((u32)-1) | |
21 | ||
dd520bf3 WD |
22 | #define MIIMIND_BUSY 0x00000001 |
23 | #define MIIMIND_NOTVALID 0x00000004 | |
7737d5c6 | 24 | |
dd520bf3 | 25 | #define UGETH_AN_TIMEOUT 2000 |
7737d5c6 DL |
26 | |
27 | /* 1000BT control (Marvell & BCM54xx at least) */ | |
dd520bf3 | 28 | #define MII_1000BASETCONTROL 0x09 |
7737d5c6 DL |
29 | #define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200 |
30 | #define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100 | |
31 | ||
91cdaa3a AV |
32 | /* 1000BT status */ |
33 | #define MII_1000BASETSTATUS 0x0a | |
34 | #define LPA_1000FULL 0x0400 | |
35 | #define LPA_1000HALF 0x0200 | |
36 | ||
7737d5c6 | 37 | /* Cicada Extended Control Register 1 */ |
dd520bf3 | 38 | #define MII_CIS8201_EXT_CON1 0x17 |
7737d5c6 DL |
39 | #define MII_CIS8201_EXTCON1_INIT 0x0000 |
40 | ||
41 | /* Cicada Interrupt Mask Register */ | |
dd520bf3 WD |
42 | #define MII_CIS8201_IMASK 0x19 |
43 | #define MII_CIS8201_IMASK_IEN 0x8000 | |
44 | #define MII_CIS8201_IMASK_SPEED 0x4000 | |
45 | #define MII_CIS8201_IMASK_LINK 0x2000 | |
7737d5c6 | 46 | #define MII_CIS8201_IMASK_DUPLEX 0x1000 |
dd520bf3 | 47 | #define MII_CIS8201_IMASK_MASK 0xf000 |
7737d5c6 DL |
48 | |
49 | /* Cicada Interrupt Status Register */ | |
dd520bf3 | 50 | #define MII_CIS8201_ISTAT 0x1a |
7737d5c6 | 51 | #define MII_CIS8201_ISTAT_STATUS 0x8000 |
dd520bf3 WD |
52 | #define MII_CIS8201_ISTAT_SPEED 0x4000 |
53 | #define MII_CIS8201_ISTAT_LINK 0x2000 | |
7737d5c6 DL |
54 | #define MII_CIS8201_ISTAT_DUPLEX 0x1000 |
55 | ||
56 | /* Cicada Auxiliary Control/Status Register */ | |
dd520bf3 | 57 | #define MII_CIS8201_AUX_CONSTAT 0x1c |
7737d5c6 DL |
58 | #define MII_CIS8201_AUXCONSTAT_INIT 0x0004 |
59 | #define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020 | |
60 | #define MII_CIS8201_AUXCONSTAT_SPEED 0x0018 | |
61 | #define MII_CIS8201_AUXCONSTAT_GBIT 0x0010 | |
62 | #define MII_CIS8201_AUXCONSTAT_100 0x0008 | |
63 | ||
64 | /* 88E1011 PHY Status Register */ | |
dd520bf3 WD |
65 | #define MII_M1011_PHY_SPEC_STATUS 0x11 |
66 | #define MII_M1011_PHY_SPEC_STATUS_1000 0x8000 | |
67 | #define MII_M1011_PHY_SPEC_STATUS_100 0x4000 | |
68 | #define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000 | |
69 | #define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000 | |
70 | #define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800 | |
71 | #define MII_M1011_PHY_SPEC_STATUS_LINK 0x0400 | |
72 | ||
73 | #define MII_M1011_IEVENT 0x13 | |
74 | #define MII_M1011_IEVENT_CLEAR 0x0000 | |
75 | ||
76 | #define MII_M1011_IMASK 0x12 | |
77 | #define MII_M1011_IMASK_INIT 0x6400 | |
78 | #define MII_M1011_IMASK_CLEAR 0x0000 | |
79 | ||
41410eee HW |
80 | /* 88E1111 PHY Register */ |
81 | #define MII_M1111_PHY_EXT_CR 0x14 | |
82 | #define MII_M1111_RX_DELAY 0x80 | |
83 | #define MII_M1111_TX_DELAY 0x2 | |
84 | #define MII_M1111_PHY_EXT_SR 0x1b | |
85 | #define MII_M1111_HWCFG_MODE_MASK 0xf | |
86 | #define MII_M1111_HWCFG_MODE_RGMII 0xb | |
87 | ||
dd520bf3 WD |
88 | #define MII_DM9161_SCR 0x10 |
89 | #define MII_DM9161_SCR_INIT 0x0610 | |
7737d5c6 DL |
90 | #define MII_DM9161_SCR_RMII_INIT 0x0710 |
91 | ||
92 | /* DM9161 Specified Configuration and Status Register */ | |
dd520bf3 WD |
93 | #define MII_DM9161_SCSR 0x11 |
94 | #define MII_DM9161_SCSR_100F 0x8000 | |
95 | #define MII_DM9161_SCSR_100H 0x4000 | |
96 | #define MII_DM9161_SCSR_10F 0x2000 | |
97 | #define MII_DM9161_SCSR_10H 0x1000 | |
7737d5c6 DL |
98 | |
99 | /* DM9161 Interrupt Register */ | |
dd520bf3 WD |
100 | #define MII_DM9161_INTR 0x15 |
101 | #define MII_DM9161_INTR_PEND 0x8000 | |
102 | #define MII_DM9161_INTR_DPLX_MASK 0x0800 | |
103 | #define MII_DM9161_INTR_SPD_MASK 0x0400 | |
104 | #define MII_DM9161_INTR_LINK_MASK 0x0200 | |
105 | #define MII_DM9161_INTR_MASK 0x0100 | |
106 | #define MII_DM9161_INTR_DPLX_CHANGE 0x0010 | |
107 | #define MII_DM9161_INTR_SPD_CHANGE 0x0008 | |
108 | #define MII_DM9161_INTR_LINK_CHANGE 0x0004 | |
109 | #define MII_DM9161_INTR_INIT 0x0000 | |
110 | #define MII_DM9161_INTR_STOP \ | |
7737d5c6 DL |
111 | (MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \ |
112 | | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK) | |
113 | ||
114 | /* DM9161 10BT Configuration/Status */ | |
dd520bf3 WD |
115 | #define MII_DM9161_10BTCSR 0x12 |
116 | #define MII_DM9161_10BTCSR_INIT 0x7800 | |
7737d5c6 DL |
117 | |
118 | #define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | \ | |
dd520bf3 WD |
119 | SUPPORTED_10baseT_Full | \ |
120 | SUPPORTED_100baseT_Half | \ | |
121 | SUPPORTED_100baseT_Full | \ | |
122 | SUPPORTED_Autoneg | \ | |
123 | SUPPORTED_TP | \ | |
124 | SUPPORTED_MII) | |
7737d5c6 DL |
125 | |
126 | #define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \ | |
dd520bf3 WD |
127 | SUPPORTED_1000baseT_Half | \ |
128 | SUPPORTED_1000baseT_Full) | |
7737d5c6 | 129 | |
dd520bf3 | 130 | #define MII_READ_COMMAND 0x00000001 |
7737d5c6 | 131 | |
dd520bf3 WD |
132 | #define MII_INTERRUPT_DISABLED 0x0 |
133 | #define MII_INTERRUPT_ENABLED 0x1 | |
7737d5c6 DL |
134 | |
135 | #define SPEED_10 10 | |
136 | #define SPEED_100 100 | |
137 | #define SPEED_1000 1000 | |
138 | ||
139 | /* Duplex, half or full. */ | |
dd520bf3 WD |
140 | #define DUPLEX_HALF 0x00 |
141 | #define DUPLEX_FULL 0x01 | |
7737d5c6 DL |
142 | |
143 | /* Indicates what features are supported by the interface. */ | |
dd520bf3 WD |
144 | #define SUPPORTED_10baseT_Half (1 << 0) |
145 | #define SUPPORTED_10baseT_Full (1 << 1) | |
146 | #define SUPPORTED_100baseT_Half (1 << 2) | |
147 | #define SUPPORTED_100baseT_Full (1 << 3) | |
148 | #define SUPPORTED_1000baseT_Half (1 << 4) | |
149 | #define SUPPORTED_1000baseT_Full (1 << 5) | |
150 | #define SUPPORTED_Autoneg (1 << 6) | |
151 | #define SUPPORTED_TP (1 << 7) | |
152 | #define SUPPORTED_AUI (1 << 8) | |
153 | #define SUPPORTED_MII (1 << 9) | |
154 | #define SUPPORTED_FIBRE (1 << 10) | |
155 | #define SUPPORTED_BNC (1 << 11) | |
156 | #define SUPPORTED_10000baseT_Full (1 << 12) | |
157 | ||
158 | #define ADVERTISED_10baseT_Half (1 << 0) | |
159 | #define ADVERTISED_10baseT_Full (1 << 1) | |
160 | #define ADVERTISED_100baseT_Half (1 << 2) | |
161 | #define ADVERTISED_100baseT_Full (1 << 3) | |
162 | #define ADVERTISED_1000baseT_Half (1 << 4) | |
163 | #define ADVERTISED_1000baseT_Full (1 << 5) | |
164 | #define ADVERTISED_Autoneg (1 << 6) | |
165 | #define ADVERTISED_TP (1 << 7) | |
166 | #define ADVERTISED_AUI (1 << 8) | |
167 | #define ADVERTISED_MII (1 << 9) | |
168 | #define ADVERTISED_FIBRE (1 << 10) | |
169 | #define ADVERTISED_BNC (1 << 11) | |
170 | #define ADVERTISED_10000baseT_Full (1 << 12) | |
7737d5c6 DL |
171 | |
172 | /* Advertisement control register. */ | |
dd520bf3 WD |
173 | #define ADVERTISE_SLCT 0x001f /* Selector bits */ |
174 | #define ADVERTISE_CSMA 0x0001 /* Only selector supported */ | |
175 | #define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ | |
176 | #define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ | |
177 | #define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ | |
178 | #define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ | |
179 | #define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */ | |
180 | #define ADVERTISE_RESV 0x1c00 /* Unused... */ | |
181 | #define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */ | |
182 | #define ADVERTISE_LPACK 0x4000 /* Ack link partners response */ | |
183 | #define ADVERTISE_NPAGE 0x8000 /* Next page bit */ | |
7737d5c6 DL |
184 | |
185 | #define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \ | |
dd520bf3 | 186 | ADVERTISE_CSMA) |
7737d5c6 | 187 | #define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \ |
dd520bf3 | 188 | ADVERTISE_100HALF | ADVERTISE_100FULL) |
7737d5c6 DL |
189 | |
190 | /* Taken from mii_if_info and sungem_phy.h */ | |
191 | struct uec_mii_info { | |
dd520bf3 WD |
192 | /* Information about the PHY type */ |
193 | /* And management functions */ | |
194 | struct phy_info *phyinfo; | |
7737d5c6 | 195 | |
dd520bf3 | 196 | struct eth_device *dev; |
7737d5c6 | 197 | |
dd520bf3 WD |
198 | /* forced speed & duplex (no autoneg) |
199 | * partner speed & duplex & pause (autoneg) | |
200 | */ | |
201 | int speed; | |
202 | int duplex; | |
203 | int pause; | |
7737d5c6 | 204 | |
dd520bf3 WD |
205 | /* The most recently read link state */ |
206 | int link; | |
7737d5c6 | 207 | |
dd520bf3 WD |
208 | /* Enabled Interrupts */ |
209 | u32 interrupts; | |
7737d5c6 | 210 | |
dd520bf3 WD |
211 | u32 advertising; |
212 | int autoneg; | |
213 | int mii_id; | |
7737d5c6 | 214 | |
dd520bf3 WD |
215 | /* private data pointer */ |
216 | /* For use by PHYs to maintain extra state */ | |
217 | void *priv; | |
7737d5c6 | 218 | |
dd520bf3 WD |
219 | /* Provided by ethernet driver */ |
220 | int (*mdio_read) (struct eth_device * dev, int mii_id, int reg); | |
221 | void (*mdio_write) (struct eth_device * dev, int mii_id, int reg, | |
222 | int val); | |
7737d5c6 DL |
223 | }; |
224 | ||
225 | /* struct phy_info: a structure which defines attributes for a PHY | |
226 | * | |
227 | * id will contain a number which represents the PHY. During | |
228 | * startup, the driver will poll the PHY to find out what its | |
229 | * UID--as defined by registers 2 and 3--is. The 32-bit result | |
230 | * gotten from the PHY will be ANDed with phy_id_mask to | |
231 | * discard any bits which may change based on revision numbers | |
232 | * unimportant to functionality | |
233 | * | |
234 | * There are 6 commands which take a ugeth_mii_info structure. | |
235 | * Each PHY must declare config_aneg, and read_status. | |
236 | */ | |
237 | struct phy_info { | |
dd520bf3 WD |
238 | u32 phy_id; |
239 | char *name; | |
240 | unsigned int phy_id_mask; | |
241 | u32 features; | |
7737d5c6 | 242 | |
dd520bf3 WD |
243 | /* Called to initialize the PHY */ |
244 | int (*init) (struct uec_mii_info * mii_info); | |
7737d5c6 | 245 | |
dd520bf3 WD |
246 | /* Called to suspend the PHY for power */ |
247 | int (*suspend) (struct uec_mii_info * mii_info); | |
7737d5c6 | 248 | |
dd520bf3 WD |
249 | /* Reconfigures autonegotiation (or disables it) */ |
250 | int (*config_aneg) (struct uec_mii_info * mii_info); | |
7737d5c6 | 251 | |
dd520bf3 WD |
252 | /* Determines the negotiated speed and duplex */ |
253 | int (*read_status) (struct uec_mii_info * mii_info); | |
7737d5c6 | 254 | |
dd520bf3 WD |
255 | /* Clears any pending interrupts */ |
256 | int (*ack_interrupt) (struct uec_mii_info * mii_info); | |
7737d5c6 | 257 | |
dd520bf3 WD |
258 | /* Enables or disables interrupts */ |
259 | int (*config_intr) (struct uec_mii_info * mii_info); | |
7737d5c6 | 260 | |
dd520bf3 WD |
261 | /* Clears up any memory if needed */ |
262 | void (*close) (struct uec_mii_info * mii_info); | |
7737d5c6 DL |
263 | }; |
264 | ||
da9d4610 AF |
265 | struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info); |
266 | void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum, | |
dd520bf3 | 267 | int value); |
da9d4610 | 268 | int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum); |
dd520bf3 WD |
269 | void mii_clear_phy_interrupt (struct uec_mii_info *mii_info); |
270 | void mii_configure_phy_interrupt (struct uec_mii_info *mii_info, | |
271 | u32 interrupts); | |
7737d5c6 | 272 | #endif /* __UEC_PHY_H__ */ |