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[people/ms/u-boot.git] / drivers / net / phy / vitesse.c
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1/*
2 * Vitesse PHY drivers
3 *
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4 * Copyright 2010-2012 Freescale Semiconductor, Inc.
5 * Author: Andy Fleming
6 * Add vsc8662 phy support - Priyanka Jain
1a459660 7 * SPDX-License-Identifier: GPL-2.0+
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8 */
9#include <miiphy.h>
10
11/* Cicada Auxiliary Control/Status Register */
12#define MIIM_CIS82xx_AUX_CONSTAT 0x1c
13#define MIIM_CIS82xx_AUXCONSTAT_INIT 0x0004
14#define MIIM_CIS82xx_AUXCONSTAT_DUPLEX 0x0020
15#define MIIM_CIS82xx_AUXCONSTAT_SPEED 0x0018
16#define MIIM_CIS82xx_AUXCONSTAT_GBIT 0x0010
17#define MIIM_CIS82xx_AUXCONSTAT_100 0x0008
18
19/* Cicada Extended Control Register 1 */
20#define MIIM_CIS82xx_EXT_CON1 0x17
21#define MIIM_CIS8201_EXTCON1_INIT 0x0000
22
23/* Cicada 8204 Extended PHY Control Register 1 */
24#define MIIM_CIS8204_EPHY_CON 0x17
25#define MIIM_CIS8204_EPHYCON_INIT 0x0006
26#define MIIM_CIS8204_EPHYCON_RGMII 0x1100
27
28/* Cicada 8204 Serial LED Control Register */
29#define MIIM_CIS8204_SLED_CON 0x1b
30#define MIIM_CIS8204_SLEDCON_INIT 0x1115
31
32/* Vitesse VSC8601 Extended PHY Control Register 1 */
33#define MIIM_VSC8601_EPHY_CON 0x17
34#define MIIM_VSC8601_EPHY_CON_INIT_SKEW 0x1120
35#define MIIM_VSC8601_SKEW_CTRL 0x1c
36
37#define PHY_EXT_PAGE_ACCESS 0x1f
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38#define PHY_EXT_PAGE_ACCESS_GENERAL 0x10
39#define PHY_EXT_PAGE_ACCESS_EXTENDED3 0x3
40
41/* Vitesse VSC8574 control register */
42#define MIIM_VSC8574_MAC_SERDES_CON 0x10
43#define MIIM_VSC8574_MAC_SERDES_ANEG 0x80
44#define MIIM_VSC8574_GENERAL18 0x12
45#define MIIM_VSC8574_GENERAL19 0x13
46
47/* Vitesse VSC8574 gerenal purpose register 18 */
48#define MIIM_VSC8574_18G_SGMII 0x80f0
49#define MIIM_VSC8574_18G_QSGMII 0x80e0
50#define MIIM_VSC8574_18G_CMDSTAT 0x8000
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51
52/* CIS8201 */
53static int vitesse_config(struct phy_device *phydev)
54{
55 /* Override PHY config settings */
56 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT,
57 MIIM_CIS82xx_AUXCONSTAT_INIT);
58 /* Set up the interface mode */
59 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_EXT_CON1,
60 MIIM_CIS8201_EXTCON1_INIT);
61
62 genphy_config_aneg(phydev);
63
64 return 0;
65}
66
67static int vitesse_parse_status(struct phy_device *phydev)
68{
69 int speed;
70 int mii_reg;
71
72 mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT);
73
74 if (mii_reg & MIIM_CIS82xx_AUXCONSTAT_DUPLEX)
75 phydev->duplex = DUPLEX_FULL;
76 else
77 phydev->duplex = DUPLEX_HALF;
78
79 speed = mii_reg & MIIM_CIS82xx_AUXCONSTAT_SPEED;
80 switch (speed) {
81 case MIIM_CIS82xx_AUXCONSTAT_GBIT:
82 phydev->speed = SPEED_1000;
83 break;
84 case MIIM_CIS82xx_AUXCONSTAT_100:
85 phydev->speed = SPEED_100;
86 break;
87 default:
88 phydev->speed = SPEED_10;
89 break;
90 }
91
92 return 0;
93}
94
95static int vitesse_startup(struct phy_device *phydev)
96{
97 genphy_update_link(phydev);
98 vitesse_parse_status(phydev);
99
100 return 0;
101}
102
103static int cis8204_config(struct phy_device *phydev)
104{
105 /* Override PHY config settings */
106 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS82xx_AUX_CONSTAT,
107 MIIM_CIS82xx_AUXCONSTAT_INIT);
108
109 genphy_config_aneg(phydev);
110
111 if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
112 (phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
113 (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) ||
114 (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID))
115 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
116 MIIM_CIS8204_EPHYCON_INIT |
117 MIIM_CIS8204_EPHYCON_RGMII);
118 else
119 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_CIS8204_EPHY_CON,
120 MIIM_CIS8204_EPHYCON_INIT);
121
122 return 0;
123}
124
125/* Vitesse VSC8601 */
960d70c6 126static int vsc8601_config(struct phy_device *phydev)
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127{
128 /* Configure some basic stuff */
129#ifdef CONFIG_SYS_VSC8601_SKEWFIX
130 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8601_EPHY_CON,
131 MIIM_VSC8601_EPHY_CON_INIT_SKEW);
132#if defined(CONFIG_SYS_VSC8601_SKEW_TX) && defined(CONFIG_SYS_VSC8601_SKEW_RX)
133 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 1);
134#define VSC8101_SKEW \
135 ((CONFIG_SYS_VSC8601_SKEW_TX << 14) \
136 | (CONFIG_SYS_VSC8601_SKEW_RX << 12))
137 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8601_SKEW_CTRL,
138 VSC8101_SKEW);
139 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
140#endif
141#endif
142
143 genphy_config_aneg(phydev);
144
145 return 0;
146}
147
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148static int vsc8574_config(struct phy_device *phydev)
149{
150 u32 val;
151 /* configure regiser 19G for MAC */
152 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS,
153 PHY_EXT_PAGE_ACCESS_GENERAL);
154
155 val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_GENERAL19);
156 if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
157 /* set bit 15:14 to '01' for QSGMII mode */
158 val = (val & 0x3fff) | (1 << 14);
159 phy_write(phydev, MDIO_DEVAD_NONE,
160 MIIM_VSC8574_GENERAL19, val);
161 /* Enable 4 ports MAC QSGMII */
162 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_GENERAL18,
163 MIIM_VSC8574_18G_QSGMII);
164 } else {
165 /* set bit 15:14 to '00' for SGMII mode */
166 val = val & 0x3fff;
167 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_GENERAL19, val);
168 /* Enable 4 ports MAC SGMII */
169 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_GENERAL18,
170 MIIM_VSC8574_18G_SGMII);
171 }
172 val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_GENERAL18);
173 /* When bit 15 is cleared the command has completed */
174 while (val & MIIM_VSC8574_18G_CMDSTAT)
175 val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_GENERAL18);
176
177 /* Enable Serdes Auto-negotiation */
178 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS,
179 PHY_EXT_PAGE_ACCESS_EXTENDED3);
180 val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_MAC_SERDES_CON);
181 val = val | MIIM_VSC8574_MAC_SERDES_ANEG;
182 phy_write(phydev, MDIO_DEVAD_NONE, MIIM_VSC8574_MAC_SERDES_CON, val);
183
184 phy_write(phydev, MDIO_DEVAD_NONE, PHY_EXT_PAGE_ACCESS, 0);
185
186 genphy_config_aneg(phydev);
187
188 return 0;
189}
190
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191static struct phy_driver VSC8211_driver = {
192 .name = "Vitesse VSC8211",
193 .uid = 0xfc4b0,
194 .mask = 0xffff0,
195 .features = PHY_GBIT_FEATURES,
196 .config = &vitesse_config,
197 .startup = &vitesse_startup,
198 .shutdown = &genphy_shutdown,
199};
200
201static struct phy_driver VSC8221_driver = {
202 .name = "Vitesse VSC8221",
203 .uid = 0xfc550,
204 .mask = 0xffff0,
205 .features = PHY_GBIT_FEATURES,
206 .config = &genphy_config_aneg,
207 .startup = &vitesse_startup,
208 .shutdown = &genphy_shutdown,
209};
210
211static struct phy_driver VSC8244_driver = {
212 .name = "Vitesse VSC8244",
213 .uid = 0xfc6c0,
214 .mask = 0xffff0,
215 .features = PHY_GBIT_FEATURES,
216 .config = &genphy_config_aneg,
217 .startup = &vitesse_startup,
218 .shutdown = &genphy_shutdown,
219};
220
221static struct phy_driver VSC8234_driver = {
222 .name = "Vitesse VSC8234",
223 .uid = 0xfc620,
224 .mask = 0xffff0,
225 .features = PHY_GBIT_FEATURES,
226 .config = &genphy_config_aneg,
227 .startup = &vitesse_startup,
228 .shutdown = &genphy_shutdown,
229};
230
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231static struct phy_driver VSC8574_driver = {
232 .name = "Vitesse VSC8574",
233 .uid = 0x704a0,
234 .mask = 0xffff0,
235 .features = PHY_GBIT_FEATURES,
236 .config = &vsc8574_config,
237 .startup = &vitesse_startup,
238 .shutdown = &genphy_shutdown,
239};
240
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241static struct phy_driver VSC8601_driver = {
242 .name = "Vitesse VSC8601",
243 .uid = 0x70420,
244 .mask = 0xffff0,
245 .features = PHY_GBIT_FEATURES,
246 .config = &vsc8601_config,
247 .startup = &vitesse_startup,
248 .shutdown = &genphy_shutdown,
249};
250
251static struct phy_driver VSC8641_driver = {
252 .name = "Vitesse VSC8641",
253 .uid = 0x70430,
254 .mask = 0xffff0,
255 .features = PHY_GBIT_FEATURES,
256 .config = &genphy_config_aneg,
257 .startup = &vitesse_startup,
258 .shutdown = &genphy_shutdown,
259};
260
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261static struct phy_driver VSC8662_driver = {
262 .name = "Vitesse VSC8662",
263 .uid = 0x70660,
264 .mask = 0xffff0,
265 .features = PHY_GBIT_FEATURES,
266 .config = &genphy_config_aneg,
267 .startup = &vitesse_startup,
268 .shutdown = &genphy_shutdown,
269};
270
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271/* Vitesse bought Cicada, so we'll put these here */
272static struct phy_driver cis8201_driver = {
273 .name = "CIS8201",
274 .uid = 0xfc410,
275 .mask = 0xffff0,
276 .features = PHY_GBIT_FEATURES,
277 .config = &vitesse_config,
278 .startup = &vitesse_startup,
279 .shutdown = &genphy_shutdown,
280};
281
282static struct phy_driver cis8204_driver = {
283 .name = "Cicada Cis8204",
284 .uid = 0xfc440,
285 .mask = 0xffff0,
286 .features = PHY_GBIT_FEATURES,
287 .config = &cis8204_config,
288 .startup = &vitesse_startup,
289 .shutdown = &genphy_shutdown,
290};
291
292int phy_vitesse_init(void)
293{
294 phy_register(&VSC8641_driver);
295 phy_register(&VSC8601_driver);
296 phy_register(&VSC8234_driver);
297 phy_register(&VSC8244_driver);
298 phy_register(&VSC8211_driver);
299 phy_register(&VSC8221_driver);
7794b1a7 300 phy_register(&VSC8574_driver);
f91ba0ec 301 phy_register(&VSC8662_driver);
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302 phy_register(&cis8201_driver);
303 phy_register(&cis8204_driver);
304
305 return 0;
306}