xref: /openbmc/u-boot/drivers/net/phy/marvell.c (revision fc82e768)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Marvell PHY drivers
4  *
5  * Copyright 2010-2011 Freescale Semiconductor, Inc.
6  * author Andy Fleming
7  */
8 #include <common.h>
9 #include <errno.h>
10 #include <phy.h>
11 
12 #define PHY_AUTONEGOTIATE_TIMEOUT 5000
13 
14 #define MII_MARVELL_PHY_PAGE		22
15 
16 /* 88E1011 PHY Status Register */
17 #define MIIM_88E1xxx_PHY_STATUS		0x11
18 #define MIIM_88E1xxx_PHYSTAT_SPEED	0xc000
19 #define MIIM_88E1xxx_PHYSTAT_GBIT	0x8000
20 #define MIIM_88E1xxx_PHYSTAT_100	0x4000
21 #define MIIM_88E1xxx_PHYSTAT_DUPLEX	0x2000
22 #define MIIM_88E1xxx_PHYSTAT_SPDDONE	0x0800
23 #define MIIM_88E1xxx_PHYSTAT_LINK	0x0400
24 
25 #define MIIM_88E1xxx_PHY_SCR		0x10
26 #define MIIM_88E1xxx_PHY_MDI_X_AUTO	0x0060
27 
28 /* 88E1111 PHY LED Control Register */
29 #define MIIM_88E1111_PHY_LED_CONTROL	24
30 #define MIIM_88E1111_PHY_LED_DIRECT	0x4100
31 #define MIIM_88E1111_PHY_LED_COMBINE	0x411C
32 
33 /* 88E1111 Extended PHY Specific Control Register */
34 #define MIIM_88E1111_PHY_EXT_CR		0x14
35 #define MIIM_88E1111_RX_DELAY		0x80
36 #define MIIM_88E1111_TX_DELAY		0x2
37 
38 /* 88E1111 Extended PHY Specific Status Register */
39 #define MIIM_88E1111_PHY_EXT_SR		0x1b
40 #define MIIM_88E1111_HWCFG_MODE_MASK		0xf
41 #define MIIM_88E1111_HWCFG_MODE_COPPER_RGMII	0xb
42 #define MIIM_88E1111_HWCFG_MODE_FIBER_RGMII	0x3
43 #define MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK	0x4
44 #define MIIM_88E1111_HWCFG_MODE_COPPER_RTBI	0x9
45 #define MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO	0x8000
46 #define MIIM_88E1111_HWCFG_FIBER_COPPER_RES	0x2000
47 
48 #define MIIM_88E1111_COPPER		0
49 #define MIIM_88E1111_FIBER		1
50 
51 /* 88E1118 PHY defines */
52 #define MIIM_88E1118_PHY_PAGE		22
53 #define MIIM_88E1118_PHY_LED_PAGE	3
54 
55 /* 88E1121 PHY LED Control Register */
56 #define MIIM_88E1121_PHY_LED_CTRL	16
57 #define MIIM_88E1121_PHY_LED_PAGE	3
58 #define MIIM_88E1121_PHY_LED_DEF	0x0030
59 
60 /* 88E1121 PHY IRQ Enable/Status Register */
61 #define MIIM_88E1121_PHY_IRQ_EN		18
62 #define MIIM_88E1121_PHY_IRQ_STATUS	19
63 
64 #define MIIM_88E1121_PHY_PAGE		22
65 
66 /* 88E1145 Extended PHY Specific Control Register */
67 #define MIIM_88E1145_PHY_EXT_CR 20
68 #define MIIM_M88E1145_RGMII_RX_DELAY	0x0080
69 #define MIIM_M88E1145_RGMII_TX_DELAY	0x0002
70 
71 #define MIIM_88E1145_PHY_LED_CONTROL	24
72 #define MIIM_88E1145_PHY_LED_DIRECT	0x4100
73 
74 #define MIIM_88E1145_PHY_PAGE	29
75 #define MIIM_88E1145_PHY_CAL_OV 30
76 
77 #define MIIM_88E1149_PHY_PAGE	29
78 
79 /* 88E1310 PHY defines */
80 #define MIIM_88E1310_PHY_LED_CTRL	16
81 #define MIIM_88E1310_PHY_IRQ_EN		18
82 #define MIIM_88E1310_PHY_RGMII_CTRL	21
83 #define MIIM_88E1310_PHY_PAGE		22
84 
85 /* 88E151x PHY defines */
86 /* Page 2 registers */
87 #define MIIM_88E151x_PHY_MSCR		21
88 #define MIIM_88E151x_RGMII_RX_DELAY	BIT(5)
89 #define MIIM_88E151x_RGMII_TX_DELAY	BIT(4)
90 #define MIIM_88E151x_RGMII_RXTX_DELAY	(BIT(5) | BIT(4))
91 /* Page 3 registers */
92 #define MIIM_88E151x_LED_FUNC_CTRL	16
93 #define MIIM_88E151x_LED_FLD_SZ		4
94 #define MIIM_88E151x_LED0_OFFS		(0 * MIIM_88E151x_LED_FLD_SZ)
95 #define MIIM_88E151x_LED1_OFFS		(1 * MIIM_88E151x_LED_FLD_SZ)
96 #define MIIM_88E151x_LED0_ACT		3
97 #define MIIM_88E151x_LED1_100_1000_LINK	6
98 #define MIIM_88E151x_LED_TIMER_CTRL	18
99 #define MIIM_88E151x_INT_EN_OFFS	7
100 /* Page 18 registers */
101 #define MIIM_88E151x_GENERAL_CTRL	20
102 #define MIIM_88E151x_MODE_SGMII		1
103 #define MIIM_88E151x_RESET_OFFS		15
104 
m88e1xxx_phy_extread(struct phy_device * phydev,int addr,int devaddr,int regnum)105 static int m88e1xxx_phy_extread(struct phy_device *phydev, int addr,
106 				int devaddr, int regnum)
107 {
108 	int oldpage = phy_read(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE);
109 	int val;
110 
111 	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, devaddr);
112 	val = phy_read(phydev, MDIO_DEVAD_NONE, regnum);
113 	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, oldpage);
114 
115 	return val;
116 }
117 
m88e1xxx_phy_extwrite(struct phy_device * phydev,int addr,int devaddr,int regnum,u16 val)118 static int m88e1xxx_phy_extwrite(struct phy_device *phydev, int addr,
119 				 int devaddr, int regnum, u16 val)
120 {
121 	int oldpage = phy_read(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE);
122 
123 	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, devaddr);
124 	phy_write(phydev, MDIO_DEVAD_NONE, regnum, val);
125 	phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, oldpage);
126 
127 	return 0;
128 }
129 
130 /* Marvell 88E1011S */
m88e1011s_config(struct phy_device * phydev)131 static int m88e1011s_config(struct phy_device *phydev)
132 {
133 	/* Reset and configure the PHY */
134 	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
135 
136 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
137 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
138 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
139 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0);
140 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
141 
142 	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
143 
144 	genphy_config_aneg(phydev);
145 
146 	return 0;
147 }
148 
149 /* Parse the 88E1011's status register for speed and duplex
150  * information
151  */
m88e1xxx_parse_status(struct phy_device * phydev)152 static int m88e1xxx_parse_status(struct phy_device *phydev)
153 {
154 	unsigned int speed;
155 	unsigned int mii_reg;
156 
157 	mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_STATUS);
158 
159 	if ((mii_reg & MIIM_88E1xxx_PHYSTAT_LINK) &&
160 	    !(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
161 		int i = 0;
162 
163 		puts("Waiting for PHY realtime link");
164 		while (!(mii_reg & MIIM_88E1xxx_PHYSTAT_SPDDONE)) {
165 			/* Timeout reached ? */
166 			if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
167 				puts(" TIMEOUT !\n");
168 				phydev->link = 0;
169 				return -ETIMEDOUT;
170 			}
171 
172 			if ((i++ % 1000) == 0)
173 				putc('.');
174 			udelay(1000);
175 			mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
176 					   MIIM_88E1xxx_PHY_STATUS);
177 		}
178 		puts(" done\n");
179 		mdelay(500);	/* another 500 ms (results in faster booting) */
180 	} else {
181 		if (mii_reg & MIIM_88E1xxx_PHYSTAT_LINK)
182 			phydev->link = 1;
183 		else
184 			phydev->link = 0;
185 	}
186 
187 	if (mii_reg & MIIM_88E1xxx_PHYSTAT_DUPLEX)
188 		phydev->duplex = DUPLEX_FULL;
189 	else
190 		phydev->duplex = DUPLEX_HALF;
191 
192 	speed = mii_reg & MIIM_88E1xxx_PHYSTAT_SPEED;
193 
194 	switch (speed) {
195 	case MIIM_88E1xxx_PHYSTAT_GBIT:
196 		phydev->speed = SPEED_1000;
197 		break;
198 	case MIIM_88E1xxx_PHYSTAT_100:
199 		phydev->speed = SPEED_100;
200 		break;
201 	default:
202 		phydev->speed = SPEED_10;
203 		break;
204 	}
205 
206 	return 0;
207 }
208 
m88e1011s_startup(struct phy_device * phydev)209 static int m88e1011s_startup(struct phy_device *phydev)
210 {
211 	int ret;
212 
213 	ret = genphy_update_link(phydev);
214 	if (ret)
215 		return ret;
216 
217 	return m88e1xxx_parse_status(phydev);
218 }
219 
220 /* Marvell 88E1111S */
m88e1111s_config(struct phy_device * phydev)221 static int m88e1111s_config(struct phy_device *phydev)
222 {
223 	int reg;
224 
225 	if (phy_interface_is_rgmii(phydev)) {
226 		reg = phy_read(phydev,
227 			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
228 		if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) ||
229 		    (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)) {
230 			reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
231 		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
232 			reg &= ~MIIM_88E1111_TX_DELAY;
233 			reg |= MIIM_88E1111_RX_DELAY;
234 		} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
235 			reg &= ~MIIM_88E1111_RX_DELAY;
236 			reg |= MIIM_88E1111_TX_DELAY;
237 		}
238 
239 		phy_write(phydev,
240 			  MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);
241 
242 		reg = phy_read(phydev,
243 			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);
244 
245 		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
246 
247 		if (reg & MIIM_88E1111_HWCFG_FIBER_COPPER_RES)
248 			reg |= MIIM_88E1111_HWCFG_MODE_FIBER_RGMII;
249 		else
250 			reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RGMII;
251 
252 		phy_write(phydev,
253 			  MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR, reg);
254 	}
255 
256 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
257 		reg = phy_read(phydev,
258 			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_SR);
259 
260 		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
261 		reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK;
262 		reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
263 
264 		phy_write(phydev, MDIO_DEVAD_NONE,
265 			  MIIM_88E1111_PHY_EXT_SR, reg);
266 	}
267 
268 	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {
269 		reg = phy_read(phydev,
270 			       MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR);
271 		reg |= (MIIM_88E1111_RX_DELAY | MIIM_88E1111_TX_DELAY);
272 		phy_write(phydev,
273 			  MDIO_DEVAD_NONE, MIIM_88E1111_PHY_EXT_CR, reg);
274 
275 		reg = phy_read(phydev, MDIO_DEVAD_NONE,
276 			       MIIM_88E1111_PHY_EXT_SR);
277 		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
278 			MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
279 		reg |= 0x7 | MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
280 		phy_write(phydev, MDIO_DEVAD_NONE,
281 			  MIIM_88E1111_PHY_EXT_SR, reg);
282 
283 		/* soft reset */
284 		phy_reset(phydev);
285 
286 		reg = phy_read(phydev, MDIO_DEVAD_NONE,
287 			       MIIM_88E1111_PHY_EXT_SR);
288 		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK |
289 			 MIIM_88E1111_HWCFG_FIBER_COPPER_RES);
290 		reg |= MIIM_88E1111_HWCFG_MODE_COPPER_RTBI |
291 			MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
292 		phy_write(phydev, MDIO_DEVAD_NONE,
293 			  MIIM_88E1111_PHY_EXT_SR, reg);
294 	}
295 
296 	/* soft reset */
297 	phy_reset(phydev);
298 
299 	genphy_config_aneg(phydev);
300 	genphy_restart_aneg(phydev);
301 
302 	return 0;
303 }
304 
305 /**
306  * m88e1518_phy_writebits - write bits to a register
307  */
m88e1518_phy_writebits(struct phy_device * phydev,u8 reg_num,u16 offset,u16 len,u16 data)308 void m88e1518_phy_writebits(struct phy_device *phydev,
309 			    u8 reg_num, u16 offset, u16 len, u16 data)
310 {
311 	u16 reg, mask;
312 
313 	if ((len + offset) >= 16)
314 		mask = 0 - (1 << offset);
315 	else
316 		mask = (1 << (len + offset)) - (1 << offset);
317 
318 	reg = phy_read(phydev, MDIO_DEVAD_NONE, reg_num);
319 
320 	reg &= ~mask;
321 	reg |= data << offset;
322 
323 	phy_write(phydev, MDIO_DEVAD_NONE, reg_num, reg);
324 }
325 
m88e1518_config(struct phy_device * phydev)326 static int m88e1518_config(struct phy_device *phydev)
327 {
328 	u16 reg;
329 
330 	/*
331 	 * As per Marvell Release Notes - Alaska 88E1510/88E1518/88E1512
332 	 * /88E1514 Rev A0, Errata Section 3.1
333 	 */
334 
335 	/* EEE initialization */
336 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00ff);
337 	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x214B);
338 	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2144);
339 	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0x0C28);
340 	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2146);
341 	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xB233);
342 	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x214D);
343 	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xCC0C);
344 	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x2159);
345 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
346 
347 	/* SGMII-to-Copper mode initialization */
348 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
349 		/* Select page 18 */
350 		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 18);
351 
352 		/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
353 		m88e1518_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
354 				       0, 3, MIIM_88E151x_MODE_SGMII);
355 
356 		/* PHY reset is necessary after changing MODE[2:0] */
357 		m88e1518_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
358 				       MIIM_88E151x_RESET_OFFS, 1, 1);
359 
360 		/* Reset page selection */
361 		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);
362 
363 		udelay(100);
364 	}
365 
366 	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
367 		reg = phy_read(phydev, MDIO_DEVAD_NONE,
368 			       MIIM_88E1111_PHY_EXT_SR);
369 
370 		reg &= ~(MIIM_88E1111_HWCFG_MODE_MASK);
371 		reg |= MIIM_88E1111_HWCFG_MODE_SGMII_NO_CLK;
372 		reg |= MIIM_88E1111_HWCFG_FIBER_COPPER_AUTO;
373 
374 		phy_write(phydev, MDIO_DEVAD_NONE,
375 			  MIIM_88E1111_PHY_EXT_SR, reg);
376 	}
377 
378 	if (phy_interface_is_rgmii(phydev)) {
379 		phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, 2);
380 
381 		reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E151x_PHY_MSCR);
382 		reg &= ~MIIM_88E151x_RGMII_RXTX_DELAY;
383 		if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
384 		    phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
385 			reg |= MIIM_88E151x_RGMII_RXTX_DELAY;
386 		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID)
387 			reg |= MIIM_88E151x_RGMII_RX_DELAY;
388 		else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)
389 			reg |= MIIM_88E151x_RGMII_TX_DELAY;
390 		phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E151x_PHY_MSCR, reg);
391 
392 		phy_write(phydev, MDIO_DEVAD_NONE, MII_MARVELL_PHY_PAGE, 0);
393 	}
394 
395 	/* soft reset */
396 	phy_reset(phydev);
397 
398 	genphy_config_aneg(phydev);
399 	genphy_restart_aneg(phydev);
400 
401 	return 0;
402 }
403 
404 /* Marvell 88E1510 */
m88e1510_config(struct phy_device * phydev)405 static int m88e1510_config(struct phy_device *phydev)
406 {
407 	/* Select page 3 */
408 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE,
409 		  MIIM_88E1118_PHY_LED_PAGE);
410 
411 	/* Enable INTn output on LED[2] */
412 	m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_TIMER_CTRL,
413 			       MIIM_88E151x_INT_EN_OFFS, 1, 1);
414 
415 	/* Configure LEDs */
416 	/* LED[0]:0011 (ACT) */
417 	m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
418 			       MIIM_88E151x_LED0_OFFS, MIIM_88E151x_LED_FLD_SZ,
419 			       MIIM_88E151x_LED0_ACT);
420 	/* LED[1]:0110 (LINK 100/1000 Mbps) */
421 	m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
422 			       MIIM_88E151x_LED1_OFFS, MIIM_88E151x_LED_FLD_SZ,
423 			       MIIM_88E151x_LED1_100_1000_LINK);
424 
425 	/* Reset page selection */
426 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);
427 
428 	return m88e1518_config(phydev);
429 }
430 
431 /* Marvell 88E1118 */
m88e1118_config(struct phy_device * phydev)432 static int m88e1118_config(struct phy_device *phydev)
433 {
434 	/* Change Page Number */
435 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0002);
436 	/* Delay RGMII TX and RX */
437 	phy_write(phydev, MDIO_DEVAD_NONE, 0x15, 0x1070);
438 	/* Change Page Number */
439 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0003);
440 	/* Adjust LED control */
441 	phy_write(phydev, MDIO_DEVAD_NONE, 0x10, 0x021e);
442 	/* Change Page Number */
443 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
444 
445 	return genphy_config_aneg(phydev);
446 }
447 
m88e1118_startup(struct phy_device * phydev)448 static int m88e1118_startup(struct phy_device *phydev)
449 {
450 	int ret;
451 
452 	/* Change Page Number */
453 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
454 
455 	ret = genphy_update_link(phydev);
456 	if (ret)
457 		return ret;
458 
459 	return m88e1xxx_parse_status(phydev);
460 }
461 
462 /* Marvell 88E1121R */
m88e1121_config(struct phy_device * phydev)463 static int m88e1121_config(struct phy_device *phydev)
464 {
465 	int pg;
466 
467 	/* Configure the PHY */
468 	genphy_config_aneg(phydev);
469 
470 	/* Switch the page to access the led register */
471 	pg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE);
472 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE,
473 		  MIIM_88E1121_PHY_LED_PAGE);
474 	/* Configure leds */
475 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_LED_CTRL,
476 		  MIIM_88E1121_PHY_LED_DEF);
477 	/* Restore the page pointer */
478 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_PAGE, pg);
479 
480 	/* Disable IRQs and de-assert interrupt */
481 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_EN, 0);
482 	phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1121_PHY_IRQ_STATUS);
483 
484 	return 0;
485 }
486 
487 /* Marvell 88E1145 */
m88e1145_config(struct phy_device * phydev)488 static int m88e1145_config(struct phy_device *phydev)
489 {
490 	int reg;
491 
492 	/* Errata E0, E1 */
493 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x001b);
494 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0x418f);
495 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_PAGE, 0x0016);
496 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_CAL_OV, 0xa2da);
497 
498 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1xxx_PHY_SCR,
499 		  MIIM_88E1xxx_PHY_MDI_X_AUTO);
500 
501 	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR);
502 	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
503 		reg |= MIIM_M88E1145_RGMII_RX_DELAY |
504 			MIIM_M88E1145_RGMII_TX_DELAY;
505 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_EXT_CR, reg);
506 
507 	genphy_config_aneg(phydev);
508 
509 	/* soft reset */
510 	reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
511 	reg |= BMCR_RESET;
512 	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg);
513 
514 	return 0;
515 }
516 
m88e1145_startup(struct phy_device * phydev)517 static int m88e1145_startup(struct phy_device *phydev)
518 {
519 	int ret;
520 
521 	ret = genphy_update_link(phydev);
522 	if (ret)
523 		return ret;
524 
525 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1145_PHY_LED_CONTROL,
526 		  MIIM_88E1145_PHY_LED_DIRECT);
527 	return m88e1xxx_parse_status(phydev);
528 }
529 
530 /* Marvell 88E1149S */
m88e1149_config(struct phy_device * phydev)531 static int m88e1149_config(struct phy_device *phydev)
532 {
533 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x1f);
534 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x200c);
535 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1149_PHY_PAGE, 0x5);
536 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x0);
537 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
538 
539 	genphy_config_aneg(phydev);
540 
541 	phy_reset(phydev);
542 
543 	return 0;
544 }
545 
546 /* Marvell 88E1310 */
m88e1310_config(struct phy_device * phydev)547 static int m88e1310_config(struct phy_device *phydev)
548 {
549 	u16 reg;
550 
551 	/* LED link and activity */
552 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
553 	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL);
554 	reg = (reg & ~0xf) | 0x1;
555 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_LED_CTRL, reg);
556 
557 	/* Set LED2/INT to INT mode, low active */
558 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0003);
559 	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN);
560 	reg = (reg & 0x77ff) | 0x0880;
561 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_IRQ_EN, reg);
562 
563 	/* Set RGMII delay */
564 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0002);
565 	reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL);
566 	reg |= 0x0030;
567 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_RGMII_CTRL, reg);
568 
569 	/* Ensure to return to page 0 */
570 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1310_PHY_PAGE, 0x0000);
571 
572 	return genphy_config_aneg(phydev);
573 }
574 
m88e1680_config(struct phy_device * phydev)575 static int m88e1680_config(struct phy_device *phydev)
576 {
577 	/*
578 	 * As per Marvell Release Notes - Alaska V 88E1680 Rev A2
579 	 * Errata Section 4.1
580 	 */
581 	u16 reg;
582 	int res;
583 
584 	/* Matrix LED mode (not neede if single LED mode is used */
585 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0004);
586 	reg = phy_read(phydev, MDIO_DEVAD_NONE, 27);
587 	reg |= (1 << 5);
588 	phy_write(phydev, MDIO_DEVAD_NONE, 27, reg);
589 
590 	/* QSGMII TX amplitude change */
591 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00fd);
592 	phy_write(phydev, MDIO_DEVAD_NONE,  8, 0x0b53);
593 	phy_write(phydev, MDIO_DEVAD_NONE,  7, 0x200d);
594 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
595 
596 	/* EEE initialization */
597 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x00ff);
598 	phy_write(phydev, MDIO_DEVAD_NONE, 17, 0xb030);
599 	phy_write(phydev, MDIO_DEVAD_NONE, 16, 0x215c);
600 	phy_write(phydev, MDIO_DEVAD_NONE, 22, 0x00fc);
601 	phy_write(phydev, MDIO_DEVAD_NONE, 24, 0x888c);
602 	phy_write(phydev, MDIO_DEVAD_NONE, 25, 0x888c);
603 	phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0x0000);
604 	phy_write(phydev, MDIO_DEVAD_NONE,  0, 0x9140);
605 
606 	res = genphy_config_aneg(phydev);
607 	if (res < 0)
608 		return res;
609 
610 	/* soft reset */
611 	reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
612 	reg |= BMCR_RESET;
613 	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg);
614 
615 	return 0;
616 }
617 
618 static struct phy_driver M88E1011S_driver = {
619 	.name = "Marvell 88E1011S",
620 	.uid = 0x1410c60,
621 	.mask = 0xffffff0,
622 	.features = PHY_GBIT_FEATURES,
623 	.config = &m88e1011s_config,
624 	.startup = &m88e1011s_startup,
625 	.shutdown = &genphy_shutdown,
626 };
627 
628 static struct phy_driver M88E1111S_driver = {
629 	.name = "Marvell 88E1111S",
630 	.uid = 0x1410cc0,
631 	.mask = 0xffffff0,
632 	.features = PHY_GBIT_FEATURES,
633 	.config = &m88e1111s_config,
634 	.startup = &m88e1011s_startup,
635 	.shutdown = &genphy_shutdown,
636 };
637 
638 static struct phy_driver M88E1118_driver = {
639 	.name = "Marvell 88E1118",
640 	.uid = 0x1410e10,
641 	.mask = 0xffffff0,
642 	.features = PHY_GBIT_FEATURES,
643 	.config = &m88e1118_config,
644 	.startup = &m88e1118_startup,
645 	.shutdown = &genphy_shutdown,
646 };
647 
648 static struct phy_driver M88E1118R_driver = {
649 	.name = "Marvell 88E1118R",
650 	.uid = 0x1410e40,
651 	.mask = 0xffffff0,
652 	.features = PHY_GBIT_FEATURES,
653 	.config = &m88e1118_config,
654 	.startup = &m88e1118_startup,
655 	.shutdown = &genphy_shutdown,
656 };
657 
658 static struct phy_driver M88E1121R_driver = {
659 	.name = "Marvell 88E1121R",
660 	.uid = 0x1410cb0,
661 	.mask = 0xffffff0,
662 	.features = PHY_GBIT_FEATURES,
663 	.config = &m88e1121_config,
664 	.startup = &genphy_startup,
665 	.shutdown = &genphy_shutdown,
666 };
667 
668 static struct phy_driver M88E1145_driver = {
669 	.name = "Marvell 88E1145",
670 	.uid = 0x1410cd0,
671 	.mask = 0xffffff0,
672 	.features = PHY_GBIT_FEATURES,
673 	.config = &m88e1145_config,
674 	.startup = &m88e1145_startup,
675 	.shutdown = &genphy_shutdown,
676 };
677 
678 static struct phy_driver M88E1149S_driver = {
679 	.name = "Marvell 88E1149S",
680 	.uid = 0x1410ca0,
681 	.mask = 0xffffff0,
682 	.features = PHY_GBIT_FEATURES,
683 	.config = &m88e1149_config,
684 	.startup = &m88e1011s_startup,
685 	.shutdown = &genphy_shutdown,
686 };
687 
688 static struct phy_driver M88E1510_driver = {
689 	.name = "Marvell 88E1510",
690 	.uid = 0x1410dd0,
691 	.mask = 0xfffffff,
692 	.features = PHY_GBIT_FEATURES,
693 	.config = &m88e1510_config,
694 	.startup = &m88e1011s_startup,
695 	.shutdown = &genphy_shutdown,
696 	.readext = &m88e1xxx_phy_extread,
697 	.writeext = &m88e1xxx_phy_extwrite,
698 };
699 
700 /*
701  * This supports:
702  *  88E1518, uid 0x1410dd1
703  *  88E1512, uid 0x1410dd4
704  */
705 static struct phy_driver M88E1518_driver = {
706 	.name = "Marvell 88E1518",
707 	.uid = 0x1410dd0,
708 	.mask = 0xffffffa,
709 	.features = PHY_GBIT_FEATURES,
710 	.config = &m88e1518_config,
711 	.startup = &m88e1011s_startup,
712 	.shutdown = &genphy_shutdown,
713 	.readext = &m88e1xxx_phy_extread,
714 	.writeext = &m88e1xxx_phy_extwrite,
715 };
716 
717 static struct phy_driver M88E1310_driver = {
718 	.name = "Marvell 88E1310",
719 	.uid = 0x01410e90,
720 	.mask = 0xffffff0,
721 	.features = PHY_GBIT_FEATURES,
722 	.config = &m88e1310_config,
723 	.startup = &m88e1011s_startup,
724 	.shutdown = &genphy_shutdown,
725 };
726 
727 static struct phy_driver M88E1680_driver = {
728 	.name = "Marvell 88E1680",
729 	.uid = 0x1410ed0,
730 	.mask = 0xffffff0,
731 	.features = PHY_GBIT_FEATURES,
732 	.config = &m88e1680_config,
733 	.startup = &genphy_startup,
734 	.shutdown = &genphy_shutdown,
735 };
736 
phy_marvell_init(void)737 int phy_marvell_init(void)
738 {
739 	phy_register(&M88E1310_driver);
740 	phy_register(&M88E1149S_driver);
741 	phy_register(&M88E1145_driver);
742 	phy_register(&M88E1121R_driver);
743 	phy_register(&M88E1118_driver);
744 	phy_register(&M88E1118R_driver);
745 	phy_register(&M88E1111S_driver);
746 	phy_register(&M88E1011S_driver);
747 	phy_register(&M88E1510_driver);
748 	phy_register(&M88E1518_driver);
749 	phy_register(&M88E1680_driver);
750 
751 	return 0;
752 }
753