1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2015 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <netdev.h>
8 #include <asm/io.h>
9 #include <asm/arch/fsl_serdes.h>
10 #include <hwconfig.h>
11 #include <fsl_mdio.h>
12 #include <malloc.h>
13 #include <fm_eth.h>
14 #include <i2c.h>
15 #include <miiphy.h>
16 #include <fsl-mc/fsl_mc.h>
17 #include <fsl-mc/ldpaa_wriop.h>
18 
19 #include "../common/qixis.h"
20 
21 #include "ls2080aqds_qixis.h"
22 
23 #define MC_BOOT_ENV_VAR "mcinitcmd"
24 
25 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
26  /* - In LS2080A there are only 16 SERDES lanes, spread across 2 SERDES banks.
27  *   Bank 1 -> Lanes A, B, C, D, E, F, G, H
28  *   Bank 2 -> Lanes A,B, C, D, E, F, G, H
29  */
30 
31  /* Mapping of 16 SERDES lanes to LS2080A QDS board slots. A value of '0' here
32   * means that the mapping must be determined dynamically, or that the lane
33   * maps to something other than a board slot.
34   */
35 
36 static u8 lane_to_slot_fsm1[] = {
37 	0, 0, 0, 0, 0, 0, 0, 0
38 };
39 
40 static u8 lane_to_slot_fsm2[] = {
41 	0, 0, 0, 0, 0, 0, 0, 0
42 };
43 
44 /* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
45  * housed.
46  */
47 
48 static int xqsgii_riser_phy_addr[] = {
49 	XQSGMII_CARD_PHY1_PORT0_ADDR,
50 	XQSGMII_CARD_PHY2_PORT0_ADDR,
51 	XQSGMII_CARD_PHY3_PORT0_ADDR,
52 	XQSGMII_CARD_PHY4_PORT0_ADDR,
53 	XQSGMII_CARD_PHY3_PORT2_ADDR,
54 	XQSGMII_CARD_PHY1_PORT2_ADDR,
55 	XQSGMII_CARD_PHY4_PORT2_ADDR,
56 	XQSGMII_CARD_PHY2_PORT2_ADDR,
57 };
58 
59 static int sgmii_riser_phy_addr[] = {
60 	SGMII_CARD_PORT1_PHY_ADDR,
61 	SGMII_CARD_PORT2_PHY_ADDR,
62 	SGMII_CARD_PORT3_PHY_ADDR,
63 	SGMII_CARD_PORT4_PHY_ADDR,
64 };
65 
66 /* Slot2 does not have EMI connections */
67 #define EMI_NONE	0xFF
68 #define EMI1_SLOT1	0
69 #define EMI1_SLOT2	1
70 #define EMI1_SLOT3	2
71 #define EMI1_SLOT4	3
72 #define EMI1_SLOT5	4
73 #define EMI1_SLOT6	5
74 #define EMI2		6
75 #define SFP_TX		0
76 
77 static const char * const mdio_names[] = {
78 	"LS2080A_QDS_MDIO0",
79 	"LS2080A_QDS_MDIO1",
80 	"LS2080A_QDS_MDIO2",
81 	"LS2080A_QDS_MDIO3",
82 	"LS2080A_QDS_MDIO4",
83 	"LS2080A_QDS_MDIO5",
84 	DEFAULT_WRIOP_MDIO2_NAME,
85 };
86 
87 struct ls2080a_qds_mdio {
88 	u8 muxval;
89 	struct mii_dev *realbus;
90 };
91 
sgmii_configure_repeater(int serdes_port)92 static void sgmii_configure_repeater(int serdes_port)
93 {
94 	struct mii_dev *bus;
95 	uint8_t a = 0xf;
96 	int i, j, ret;
97 	int dpmac_id = 0, dpmac, mii_bus = 0;
98 	unsigned short value;
99 	char dev[2][20] = {"LS2080A_QDS_MDIO0", "LS2080A_QDS_MDIO3"};
100 	uint8_t i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5f, 0x60};
101 
102 	uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
103 	uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
104 	uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
105 	uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};
106 
107 	int *riser_phy_addr = &xqsgii_riser_phy_addr[0];
108 
109 	/* Set I2c to Slot 1 */
110 	i2c_write(0x77, 0, 0, &a, 1);
111 
112 	for (dpmac = 0; dpmac < 8; dpmac++) {
113 		/* Check the PHY status */
114 		switch (serdes_port) {
115 		case 1:
116 			mii_bus = 0;
117 			dpmac_id = dpmac + 1;
118 			break;
119 		case 2:
120 			mii_bus = 1;
121 			dpmac_id = dpmac + 9;
122 			a = 0xb;
123 			i2c_write(0x76, 0, 0, &a, 1);
124 			break;
125 		}
126 
127 		ret = miiphy_set_current_dev(dev[mii_bus]);
128 		if (ret > 0)
129 			goto error;
130 
131 		bus = mdio_get_current_dev();
132 		debug("Reading from bus %s\n", bus->name);
133 
134 		ret = miiphy_write(dev[mii_bus], riser_phy_addr[dpmac], 0x1f,
135 				   3);
136 		if (ret > 0)
137 			goto error;
138 
139 		mdelay(10);
140 		ret = miiphy_read(dev[mii_bus], riser_phy_addr[dpmac], 0x11,
141 				  &value);
142 		if (ret > 0)
143 			goto error;
144 
145 		mdelay(10);
146 
147 		if ((value & 0xfff) == 0x401) {
148 			printf("DPMAC %d:PHY is ..... Configured\n", dpmac_id);
149 			miiphy_write(dev[mii_bus], riser_phy_addr[dpmac],
150 				     0x1f, 0);
151 			continue;
152 		}
153 
154 		for (i = 0; i < 4; i++) {
155 			for (j = 0; j < 4; j++) {
156 				a = 0x18;
157 				i2c_write(i2c_addr[dpmac], 6, 1, &a, 1);
158 				a = 0x38;
159 				i2c_write(i2c_addr[dpmac], 4, 1, &a, 1);
160 				a = 0x4;
161 				i2c_write(i2c_addr[dpmac], 8, 1, &a, 1);
162 
163 				i2c_write(i2c_addr[dpmac], 0xf, 1,
164 					  &ch_a_eq[i], 1);
165 				i2c_write(i2c_addr[dpmac], 0x11, 1,
166 					  &ch_a_ctl2[j], 1);
167 
168 				i2c_write(i2c_addr[dpmac], 0x16, 1,
169 					  &ch_b_eq[i], 1);
170 				i2c_write(i2c_addr[dpmac], 0x18, 1,
171 					  &ch_b_ctl2[j], 1);
172 
173 				a = 0x14;
174 				i2c_write(i2c_addr[dpmac], 0x23, 1, &a, 1);
175 				a = 0xb5;
176 				i2c_write(i2c_addr[dpmac], 0x2d, 1, &a, 1);
177 				a = 0x20;
178 				i2c_write(i2c_addr[dpmac], 4, 1, &a, 1);
179 				mdelay(100);
180 				ret = miiphy_read(dev[mii_bus],
181 						  riser_phy_addr[dpmac],
182 						  0x11, &value);
183 				if (ret > 0)
184 					goto error;
185 
186 				mdelay(100);
187 				ret = miiphy_read(dev[mii_bus],
188 						  riser_phy_addr[dpmac],
189 						  0x11, &value);
190 				if (ret > 0)
191 					goto error;
192 
193 				if ((value & 0xfff) == 0x401) {
194 					printf("DPMAC %d :PHY is configured ",
195 					       dpmac_id);
196 					printf("after setting repeater 0x%x\n",
197 					       value);
198 					i = 5;
199 					j = 5;
200 				} else {
201 					printf("DPMAC %d :PHY is failed to ",
202 					       dpmac_id);
203 					printf("configure the repeater 0x%x\n",
204 					       value);
205 				}
206 			}
207 		}
208 		miiphy_write(dev[mii_bus], riser_phy_addr[dpmac], 0x1f, 0);
209 	}
210 error:
211 	if (ret)
212 		printf("DPMAC %d ..... FAILED to configure PHY\n", dpmac_id);
213 	return;
214 }
215 
qsgmii_configure_repeater(int dpmac)216 static void qsgmii_configure_repeater(int dpmac)
217 {
218 	uint8_t a = 0xf;
219 	int i, j;
220 	int i2c_phy_addr = 0;
221 	int phy_addr = 0;
222 	int i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b};
223 
224 	uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
225 	uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
226 	uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
227 	uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};
228 
229 	const char *dev = "LS2080A_QDS_MDIO0";
230 	int ret = 0;
231 	unsigned short value;
232 
233 	/* Set I2c to Slot 1 */
234 	i2c_write(0x77, 0, 0, &a, 1);
235 
236 	switch (dpmac) {
237 	case 1:
238 	case 2:
239 	case 3:
240 	case 4:
241 		i2c_phy_addr = i2c_addr[0];
242 		phy_addr = 0;
243 		break;
244 
245 	case 5:
246 	case 6:
247 	case 7:
248 	case 8:
249 		i2c_phy_addr = i2c_addr[1];
250 		phy_addr = 4;
251 		break;
252 
253 	case 9:
254 	case 10:
255 	case 11:
256 	case 12:
257 		i2c_phy_addr = i2c_addr[2];
258 		phy_addr = 8;
259 		break;
260 
261 	case 13:
262 	case 14:
263 	case 15:
264 	case 16:
265 		i2c_phy_addr = i2c_addr[3];
266 		phy_addr = 0xc;
267 		break;
268 	}
269 
270 	/* Check the PHY status */
271 	ret = miiphy_set_current_dev(dev);
272 	ret = miiphy_write(dev, phy_addr, 0x1f, 3);
273 	mdelay(10);
274 	ret = miiphy_read(dev, phy_addr, 0x11, &value);
275 	mdelay(10);
276 	ret = miiphy_read(dev, phy_addr, 0x11, &value);
277 	mdelay(10);
278 	if ((value & 0xf) == 0xf) {
279 		printf("DPMAC %d :PHY is ..... Configured\n", dpmac);
280 		return;
281 	}
282 
283 	for (i = 0; i < 4; i++) {
284 		for (j = 0; j < 4; j++) {
285 			a = 0x18;
286 			i2c_write(i2c_phy_addr, 6, 1, &a, 1);
287 			a = 0x38;
288 			i2c_write(i2c_phy_addr, 4, 1, &a, 1);
289 			a = 0x4;
290 			i2c_write(i2c_phy_addr, 8, 1, &a, 1);
291 
292 			i2c_write(i2c_phy_addr, 0xf, 1, &ch_a_eq[i], 1);
293 			i2c_write(i2c_phy_addr, 0x11, 1, &ch_a_ctl2[j], 1);
294 
295 			i2c_write(i2c_phy_addr, 0x16, 1, &ch_b_eq[i], 1);
296 			i2c_write(i2c_phy_addr, 0x18, 1, &ch_b_ctl2[j], 1);
297 
298 			a = 0x14;
299 			i2c_write(i2c_phy_addr, 0x23, 1, &a, 1);
300 			a = 0xb5;
301 			i2c_write(i2c_phy_addr, 0x2d, 1, &a, 1);
302 			a = 0x20;
303 			i2c_write(i2c_phy_addr, 4, 1, &a, 1);
304 			mdelay(100);
305 			ret = miiphy_read(dev, phy_addr, 0x11, &value);
306 			if (ret > 0)
307 				goto error;
308 			mdelay(1);
309 			ret = miiphy_read(dev, phy_addr, 0x11, &value);
310 			if (ret > 0)
311 				goto error;
312 			mdelay(10);
313 			if ((value & 0xf) == 0xf) {
314 				printf("DPMAC %d :PHY is ..... Configured\n",
315 				       dpmac);
316 				return;
317 			}
318 		}
319 	}
320 error:
321 	printf("DPMAC %d :PHY ..... FAILED to configure PHY\n", dpmac);
322 	return;
323 }
324 
ls2080a_qds_mdio_name_for_muxval(u8 muxval)325 static const char *ls2080a_qds_mdio_name_for_muxval(u8 muxval)
326 {
327 	return mdio_names[muxval];
328 }
329 
mii_dev_for_muxval(u8 muxval)330 struct mii_dev *mii_dev_for_muxval(u8 muxval)
331 {
332 	struct mii_dev *bus;
333 	const char *name = ls2080a_qds_mdio_name_for_muxval(muxval);
334 
335 	if (!name) {
336 		printf("No bus for muxval %x\n", muxval);
337 		return NULL;
338 	}
339 
340 	bus = miiphy_get_dev_by_name(name);
341 
342 	if (!bus) {
343 		printf("No bus by name %s\n", name);
344 		return NULL;
345 	}
346 
347 	return bus;
348 }
349 
ls2080a_qds_enable_SFP_TX(u8 muxval)350 static void ls2080a_qds_enable_SFP_TX(u8 muxval)
351 {
352 	u8 brdcfg9;
353 
354 	brdcfg9 = QIXIS_READ(brdcfg[9]);
355 	brdcfg9 &= ~BRDCFG9_SFPTX_MASK;
356 	brdcfg9 |= (muxval << BRDCFG9_SFPTX_SHIFT);
357 	QIXIS_WRITE(brdcfg[9], brdcfg9);
358 }
359 
ls2080a_qds_mux_mdio(u8 muxval)360 static void ls2080a_qds_mux_mdio(u8 muxval)
361 {
362 	u8 brdcfg4;
363 
364 	if (muxval <= 5) {
365 		brdcfg4 = QIXIS_READ(brdcfg[4]);
366 		brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
367 		brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
368 		QIXIS_WRITE(brdcfg[4], brdcfg4);
369 	}
370 }
371 
ls2080a_qds_mdio_read(struct mii_dev * bus,int addr,int devad,int regnum)372 static int ls2080a_qds_mdio_read(struct mii_dev *bus, int addr,
373 				 int devad, int regnum)
374 {
375 	struct ls2080a_qds_mdio *priv = bus->priv;
376 
377 	ls2080a_qds_mux_mdio(priv->muxval);
378 
379 	return priv->realbus->read(priv->realbus, addr, devad, regnum);
380 }
381 
ls2080a_qds_mdio_write(struct mii_dev * bus,int addr,int devad,int regnum,u16 value)382 static int ls2080a_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
383 				  int regnum, u16 value)
384 {
385 	struct ls2080a_qds_mdio *priv = bus->priv;
386 
387 	ls2080a_qds_mux_mdio(priv->muxval);
388 
389 	return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
390 }
391 
ls2080a_qds_mdio_reset(struct mii_dev * bus)392 static int ls2080a_qds_mdio_reset(struct mii_dev *bus)
393 {
394 	struct ls2080a_qds_mdio *priv = bus->priv;
395 
396 	return priv->realbus->reset(priv->realbus);
397 }
398 
ls2080a_qds_mdio_init(char * realbusname,u8 muxval)399 static int ls2080a_qds_mdio_init(char *realbusname, u8 muxval)
400 {
401 	struct ls2080a_qds_mdio *pmdio;
402 	struct mii_dev *bus = mdio_alloc();
403 
404 	if (!bus) {
405 		printf("Failed to allocate ls2080a_qds MDIO bus\n");
406 		return -1;
407 	}
408 
409 	pmdio = malloc(sizeof(*pmdio));
410 	if (!pmdio) {
411 		printf("Failed to allocate ls2080a_qds private data\n");
412 		free(bus);
413 		return -1;
414 	}
415 
416 	bus->read = ls2080a_qds_mdio_read;
417 	bus->write = ls2080a_qds_mdio_write;
418 	bus->reset = ls2080a_qds_mdio_reset;
419 	strcpy(bus->name, ls2080a_qds_mdio_name_for_muxval(muxval));
420 
421 	pmdio->realbus = miiphy_get_dev_by_name(realbusname);
422 
423 	if (!pmdio->realbus) {
424 		printf("No bus with name %s\n", realbusname);
425 		free(bus);
426 		free(pmdio);
427 		return -1;
428 	}
429 
430 	pmdio->muxval = muxval;
431 	bus->priv = pmdio;
432 
433 	return mdio_register(bus);
434 }
435 
436 /*
437  * Initialize the dpmac_info array.
438  *
439  */
initialize_dpmac_to_slot(void)440 static void initialize_dpmac_to_slot(void)
441 {
442 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
443 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
444 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
445 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
446 	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
447 				FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
448 		>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
449 
450 	char *env_hwconfig;
451 	env_hwconfig = env_get("hwconfig");
452 
453 	switch (serdes1_prtcl) {
454 	case 0x07:
455 	case 0x09:
456 	case 0x33:
457 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
458 		       serdes1_prtcl);
459 		lane_to_slot_fsm1[0] = EMI1_SLOT1;
460 		lane_to_slot_fsm1[1] = EMI1_SLOT1;
461 		lane_to_slot_fsm1[2] = EMI1_SLOT1;
462 		lane_to_slot_fsm1[3] = EMI1_SLOT1;
463 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
464 			lane_to_slot_fsm1[4] = EMI1_SLOT1;
465 			lane_to_slot_fsm1[5] = EMI1_SLOT1;
466 			lane_to_slot_fsm1[6] = EMI1_SLOT1;
467 			lane_to_slot_fsm1[7] = EMI1_SLOT1;
468 		} else {
469 			lane_to_slot_fsm1[4] = EMI1_SLOT2;
470 			lane_to_slot_fsm1[5] = EMI1_SLOT2;
471 			lane_to_slot_fsm1[6] = EMI1_SLOT2;
472 			lane_to_slot_fsm1[7] = EMI1_SLOT2;
473 		}
474 		break;
475 
476 	case 0x39:
477 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
478 		       serdes1_prtcl);
479 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
480 			lane_to_slot_fsm1[0] = EMI1_SLOT3;
481 			lane_to_slot_fsm1[1] = EMI1_SLOT3;
482 			lane_to_slot_fsm1[2] = EMI1_SLOT3;
483 			lane_to_slot_fsm1[3] = EMI_NONE;
484 		} else {
485 			lane_to_slot_fsm1[0] = EMI_NONE;
486 			lane_to_slot_fsm1[1] = EMI_NONE;
487 			lane_to_slot_fsm1[2] = EMI_NONE;
488 			lane_to_slot_fsm1[3] = EMI_NONE;
489 		}
490 		lane_to_slot_fsm1[4] = EMI1_SLOT3;
491 		lane_to_slot_fsm1[5] = EMI1_SLOT3;
492 		lane_to_slot_fsm1[6] = EMI1_SLOT3;
493 		lane_to_slot_fsm1[7] = EMI_NONE;
494 		break;
495 
496 	case 0x4D:
497 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
498 		       serdes1_prtcl);
499 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
500 			lane_to_slot_fsm1[0] = EMI1_SLOT3;
501 			lane_to_slot_fsm1[1] = EMI1_SLOT3;
502 			lane_to_slot_fsm1[2] = EMI_NONE;
503 			lane_to_slot_fsm1[3] = EMI_NONE;
504 		} else {
505 			lane_to_slot_fsm1[0] = EMI_NONE;
506 			lane_to_slot_fsm1[1] = EMI_NONE;
507 			lane_to_slot_fsm1[2] = EMI_NONE;
508 			lane_to_slot_fsm1[3] = EMI_NONE;
509 		}
510 		lane_to_slot_fsm1[4] = EMI1_SLOT3;
511 		lane_to_slot_fsm1[5] = EMI1_SLOT3;
512 		lane_to_slot_fsm1[6] = EMI_NONE;
513 		lane_to_slot_fsm1[7] = EMI_NONE;
514 		break;
515 
516 	case 0x2A:
517 	case 0x4B:
518 	case 0x4C:
519 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
520 		       serdes1_prtcl);
521 		break;
522 	default:
523 		printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
524 		       __func__, serdes1_prtcl);
525 		break;
526 	}
527 
528 	switch (serdes2_prtcl) {
529 	case 0x07:
530 	case 0x08:
531 	case 0x09:
532 	case 0x49:
533 		printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
534 		       serdes2_prtcl);
535 		lane_to_slot_fsm2[0] = EMI1_SLOT4;
536 		lane_to_slot_fsm2[1] = EMI1_SLOT4;
537 		lane_to_slot_fsm2[2] = EMI1_SLOT4;
538 		lane_to_slot_fsm2[3] = EMI1_SLOT4;
539 
540 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
541 			lane_to_slot_fsm2[4] = EMI1_SLOT4;
542 			lane_to_slot_fsm2[5] = EMI1_SLOT4;
543 			lane_to_slot_fsm2[6] = EMI1_SLOT4;
544 			lane_to_slot_fsm2[7] = EMI1_SLOT4;
545 		} else {
546 			/* No MDIO physical connection */
547 			lane_to_slot_fsm2[4] = EMI1_SLOT6;
548 			lane_to_slot_fsm2[5] = EMI1_SLOT6;
549 			lane_to_slot_fsm2[6] = EMI1_SLOT6;
550 			lane_to_slot_fsm2[7] = EMI1_SLOT6;
551 		}
552 		break;
553 
554 	case 0x47:
555 		printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
556 		       serdes2_prtcl);
557 		lane_to_slot_fsm2[0] = EMI_NONE;
558 		lane_to_slot_fsm2[1] = EMI1_SLOT5;
559 		lane_to_slot_fsm2[2] = EMI1_SLOT5;
560 		lane_to_slot_fsm2[3] = EMI1_SLOT5;
561 
562 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
563 			lane_to_slot_fsm2[4] = EMI_NONE;
564 			lane_to_slot_fsm2[5] = EMI1_SLOT5;
565 			lane_to_slot_fsm2[6] = EMI1_SLOT5;
566 			lane_to_slot_fsm2[7] = EMI1_SLOT5;
567 		}
568 		break;
569 
570 	case 0x57:
571 		printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
572 		       serdes2_prtcl);
573 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
574 			lane_to_slot_fsm2[0] = EMI_NONE;
575 			lane_to_slot_fsm2[1] = EMI_NONE;
576 			lane_to_slot_fsm2[2] = EMI_NONE;
577 			lane_to_slot_fsm2[3] = EMI_NONE;
578 		}
579 		lane_to_slot_fsm2[4] = EMI_NONE;
580 		lane_to_slot_fsm2[5] = EMI_NONE;
581 		lane_to_slot_fsm2[6] = EMI1_SLOT5;
582 		lane_to_slot_fsm2[7] = EMI1_SLOT5;
583 		break;
584 
585 	default:
586 		printf(" %s qds: WRIOP: Unsupported SerDes2 Protocol 0x%02x\n",
587 		       __func__ , serdes2_prtcl);
588 		break;
589 	}
590 }
591 
ls2080a_handle_phy_interface_sgmii(int dpmac_id)592 void ls2080a_handle_phy_interface_sgmii(int dpmac_id)
593 {
594 	int lane, slot;
595 	struct mii_dev *bus;
596 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
597 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
598 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
599 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
600 	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
601 				FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
602 		>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
603 
604 	int *riser_phy_addr;
605 	char *env_hwconfig = env_get("hwconfig");
606 
607 	if (hwconfig_f("xqsgmii", env_hwconfig))
608 		riser_phy_addr = &xqsgii_riser_phy_addr[0];
609 	else
610 		riser_phy_addr = &sgmii_riser_phy_addr[0];
611 
612 	if (dpmac_id > WRIOP1_DPMAC9)
613 		goto serdes2;
614 
615 	switch (serdes1_prtcl) {
616 	case 0x07:
617 	case 0x39:
618 	case 0x4D:
619 		lane = serdes_get_first_lane(FSL_SRDS_1, SGMII1 + dpmac_id - 1);
620 
621 		slot = lane_to_slot_fsm1[lane];
622 
623 		switch (++slot) {
624 		case 1:
625 			/* Slot housing a SGMII riser card? */
626 			wriop_set_phy_address(dpmac_id, 0,
627 					      riser_phy_addr[dpmac_id - 1]);
628 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
629 			bus = mii_dev_for_muxval(EMI1_SLOT1);
630 			wriop_set_mdio(dpmac_id, bus);
631 			break;
632 		case 2:
633 			/* Slot housing a SGMII riser card? */
634 			wriop_set_phy_address(dpmac_id, 0,
635 					      riser_phy_addr[dpmac_id - 1]);
636 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT2;
637 			bus = mii_dev_for_muxval(EMI1_SLOT2);
638 			wriop_set_mdio(dpmac_id, bus);
639 			break;
640 		case 3:
641 			if (slot == EMI_NONE)
642 				return;
643 			if (serdes1_prtcl == 0x39) {
644 				wriop_set_phy_address(dpmac_id, 0,
645 					riser_phy_addr[dpmac_id - 2]);
646 				if (dpmac_id >= 6 && hwconfig_f("xqsgmii",
647 								env_hwconfig))
648 					wriop_set_phy_address(dpmac_id, 0,
649 						riser_phy_addr[dpmac_id - 3]);
650 			} else {
651 				wriop_set_phy_address(dpmac_id, 0,
652 					riser_phy_addr[dpmac_id - 2]);
653 				if (dpmac_id >= 7 && hwconfig_f("xqsgmii",
654 								env_hwconfig))
655 					wriop_set_phy_address(dpmac_id, 0,
656 						riser_phy_addr[dpmac_id - 3]);
657 			}
658 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT3;
659 			bus = mii_dev_for_muxval(EMI1_SLOT3);
660 			wriop_set_mdio(dpmac_id, bus);
661 			break;
662 		case 4:
663 			break;
664 		case 5:
665 			break;
666 		case 6:
667 			break;
668 		}
669 	break;
670 	default:
671 		printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
672 		       __func__ , serdes1_prtcl);
673 	break;
674 	}
675 
676 serdes2:
677 	switch (serdes2_prtcl) {
678 	case 0x07:
679 	case 0x08:
680 	case 0x49:
681 	case 0x47:
682 	case 0x57:
683 		lane = serdes_get_first_lane(FSL_SRDS_2, SGMII9 +
684 							(dpmac_id - 9));
685 		slot = lane_to_slot_fsm2[lane];
686 
687 		switch (++slot) {
688 		case 1:
689 			break;
690 		case 3:
691 			break;
692 		case 4:
693 			/* Slot housing a SGMII riser card? */
694 			wriop_set_phy_address(dpmac_id, 0,
695 					      riser_phy_addr[dpmac_id - 9]);
696 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT4;
697 			bus = mii_dev_for_muxval(EMI1_SLOT4);
698 			wriop_set_mdio(dpmac_id, bus);
699 		break;
700 		case 5:
701 			if (slot == EMI_NONE)
702 				return;
703 			if (serdes2_prtcl == 0x47) {
704 				wriop_set_phy_address(dpmac_id, 0,
705 					      riser_phy_addr[dpmac_id - 10]);
706 				if (dpmac_id >= 14 && hwconfig_f("xqsgmii",
707 								 env_hwconfig))
708 					wriop_set_phy_address(dpmac_id, 0,
709 						riser_phy_addr[dpmac_id - 11]);
710 			} else {
711 				wriop_set_phy_address(dpmac_id, 0,
712 					riser_phy_addr[dpmac_id - 11]);
713 			}
714 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT5;
715 			bus = mii_dev_for_muxval(EMI1_SLOT5);
716 			wriop_set_mdio(dpmac_id, bus);
717 			break;
718 		case 6:
719 			/* Slot housing a SGMII riser card? */
720 			wriop_set_phy_address(dpmac_id, 0,
721 					      riser_phy_addr[dpmac_id - 13]);
722 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT6;
723 			bus = mii_dev_for_muxval(EMI1_SLOT6);
724 			wriop_set_mdio(dpmac_id, bus);
725 		break;
726 	}
727 	break;
728 	default:
729 		printf("%s qds: WRIOP: Unsupported SerDes2 Protocol 0x%02x\n",
730 		       __func__, serdes2_prtcl);
731 	break;
732 	}
733 }
734 
ls2080a_handle_phy_interface_qsgmii(int dpmac_id)735 void ls2080a_handle_phy_interface_qsgmii(int dpmac_id)
736 {
737 	int lane = 0, slot;
738 	struct mii_dev *bus;
739 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
740 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
741 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
742 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
743 
744 	switch (serdes1_prtcl) {
745 	case 0x33:
746 		switch (dpmac_id) {
747 		case 1:
748 		case 2:
749 		case 3:
750 		case 4:
751 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_A);
752 		break;
753 		case 5:
754 		case 6:
755 		case 7:
756 		case 8:
757 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_B);
758 		break;
759 		case 9:
760 		case 10:
761 		case 11:
762 		case 12:
763 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_C);
764 		break;
765 		case 13:
766 		case 14:
767 		case 15:
768 		case 16:
769 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_D);
770 		break;
771 	}
772 
773 		slot = lane_to_slot_fsm1[lane];
774 
775 		switch (++slot) {
776 		case 1:
777 			/* Slot housing a QSGMII riser card? */
778 			wriop_set_phy_address(dpmac_id, 0, dpmac_id - 1);
779 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
780 			bus = mii_dev_for_muxval(EMI1_SLOT1);
781 			wriop_set_mdio(dpmac_id, bus);
782 			break;
783 		case 3:
784 			break;
785 		case 4:
786 			break;
787 		case 5:
788 		break;
789 		case 6:
790 			break;
791 	}
792 	break;
793 	default:
794 		printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
795 		       serdes1_prtcl);
796 	break;
797 	}
798 
799 	qsgmii_configure_repeater(dpmac_id);
800 }
801 
ls2080a_handle_phy_interface_xsgmii(int i)802 void ls2080a_handle_phy_interface_xsgmii(int i)
803 {
804 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
805 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
806 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
807 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
808 
809 	switch (serdes1_prtcl) {
810 	case 0x2A:
811 	case 0x4B:
812 	case 0x4C:
813 		/*
814 		 * XFI does not need a PHY to work, but to avoid U-Boot use
815 		 * default PHY address which is zero to a MAC when it found
816 		 * a MAC has no PHY address, we give a PHY address to XFI
817 		 * MAC, and should not use a real XAUI PHY address, since
818 		 * MDIO can access it successfully, and then MDIO thinks
819 		 * the XAUI card is used for the XFI MAC, which will cause
820 		 * error.
821 		 */
822 		wriop_set_phy_address(i, 0, i + 4);
823 		ls2080a_qds_enable_SFP_TX(SFP_TX);
824 
825 		break;
826 	default:
827 		printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
828 		       serdes1_prtcl);
829 		break;
830 	}
831 }
832 #endif
833 
board_eth_init(bd_t * bis)834 int board_eth_init(bd_t *bis)
835 {
836 	int error;
837 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
838 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
839 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
840 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
841 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
842 	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
843 				FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
844 		>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
845 
846 	struct memac_mdio_info *memac_mdio0_info;
847 	struct memac_mdio_info *memac_mdio1_info;
848 	unsigned int i;
849 	char *env_hwconfig;
850 
851 	env_hwconfig = env_get("hwconfig");
852 
853 	initialize_dpmac_to_slot();
854 
855 	memac_mdio0_info = (struct memac_mdio_info *)malloc(
856 					sizeof(struct memac_mdio_info));
857 	memac_mdio0_info->regs =
858 		(struct memac_mdio_controller *)
859 					CONFIG_SYS_FSL_WRIOP1_MDIO1;
860 	memac_mdio0_info->name = DEFAULT_WRIOP_MDIO1_NAME;
861 
862 	/* Register the real MDIO1 bus */
863 	fm_memac_mdio_init(bis, memac_mdio0_info);
864 
865 	memac_mdio1_info = (struct memac_mdio_info *)malloc(
866 					sizeof(struct memac_mdio_info));
867 	memac_mdio1_info->regs =
868 		(struct memac_mdio_controller *)
869 					CONFIG_SYS_FSL_WRIOP1_MDIO2;
870 	memac_mdio1_info->name = DEFAULT_WRIOP_MDIO2_NAME;
871 
872 	/* Register the real MDIO2 bus */
873 	fm_memac_mdio_init(bis, memac_mdio1_info);
874 
875 	/* Register the muxing front-ends to the MDIO buses */
876 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT1);
877 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT2);
878 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT3);
879 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT4);
880 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT5);
881 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT6);
882 
883 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO2_NAME, EMI2);
884 
885 	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
886 		switch (wriop_get_enet_if(i)) {
887 		case PHY_INTERFACE_MODE_QSGMII:
888 			ls2080a_handle_phy_interface_qsgmii(i);
889 			break;
890 		case PHY_INTERFACE_MODE_SGMII:
891 			ls2080a_handle_phy_interface_sgmii(i);
892 			break;
893 		case PHY_INTERFACE_MODE_XGMII:
894 			ls2080a_handle_phy_interface_xsgmii(i);
895 			break;
896 		default:
897 			break;
898 
899 		if (i == 16)
900 			i = NUM_WRIOP_PORTS;
901 		}
902 	}
903 
904 	error = cpu_eth_init(bis);
905 
906 	if (hwconfig_f("xqsgmii", env_hwconfig)) {
907 		if (serdes1_prtcl == 0x7)
908 			sgmii_configure_repeater(1);
909 		if (serdes2_prtcl == 0x7 || serdes2_prtcl == 0x8 ||
910 		    serdes2_prtcl == 0x49)
911 			sgmii_configure_repeater(2);
912 	}
913 #endif
914 	error = pci_eth_init(bis);
915 	return error;
916 }
917 
918 #if defined(CONFIG_RESET_PHY_R)
reset_phy(void)919 void reset_phy(void)
920 {
921 	mc_env_boot();
922 }
923 #endif /* CONFIG_RESET_PHY_R */
924