xref: /openbmc/u-boot/board/freescale/t4qds/eth.c (revision 95927808)
1 /*
2  * Copyright 2012 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <command.h>
25 #include <netdev.h>
26 #include <asm/mmu.h>
27 #include <asm/processor.h>
28 #include <asm/cache.h>
29 #include <asm/immap_85xx.h>
30 #include <asm/fsl_law.h>
31 #include <asm/fsl_ddr_sdram.h>
32 #include <asm/fsl_serdes.h>
33 #include <asm/fsl_portals.h>
34 #include <asm/fsl_liodn.h>
35 #include <malloc.h>
36 #include <fm_eth.h>
37 #include <fsl_mdio.h>
38 #include <miiphy.h>
39 #include <phy.h>
40 #include <asm/fsl_dtsec.h>
41 #include <asm/fsl_serdes.h>
42 #include "../common/qixis.h"
43 #include "../common/fman.h"
44 
45 #include "t4240qds_qixis.h"
46 
47 #define EMI_NONE	0xFFFFFFFF
48 #define EMI1_RGMII	0
49 #define EMI1_SLOT1	1
50 #define EMI1_SLOT2	2
51 #define EMI1_SLOT3	3
52 #define EMI1_SLOT4	4
53 #define EMI1_SLOT5	5
54 #define EMI1_SLOT7	7
55 #define EMI2		8
56 /* Slot6 and Slot8 do not have EMI connections */
57 
58 static int mdio_mux[NUM_FM_PORTS];
59 
60 static const char *mdio_names[] = {
61 	"T4240QDS_MDIO0",
62 	"T4240QDS_MDIO1",
63 	"T4240QDS_MDIO2",
64 	"T4240QDS_MDIO3",
65 	"T4240QDS_MDIO4",
66 	"T4240QDS_MDIO5",
67 	"NULL",
68 	"T4240QDS_MDIO7",
69 	"T4240QDS_10GC",
70 };
71 
72 static u8 lane_to_slot_fsm1[] = {1, 1, 1, 1, 2, 2, 2, 2};
73 static u8 lane_to_slot_fsm2[] = {3, 3, 3, 3, 4, 4, 4, 4};
74 
75 static const char *t4240qds_mdio_name_for_muxval(u8 muxval)
76 {
77 	return mdio_names[muxval];
78 }
79 
80 struct mii_dev *mii_dev_for_muxval(u8 muxval)
81 {
82 	struct mii_dev *bus;
83 	const char *name = t4240qds_mdio_name_for_muxval(muxval);
84 
85 	if (!name) {
86 		printf("No bus for muxval %x\n", muxval);
87 		return NULL;
88 	}
89 
90 	bus = miiphy_get_dev_by_name(name);
91 
92 	if (!bus) {
93 		printf("No bus by name %s\n", name);
94 		return NULL;
95 	}
96 
97 	return bus;
98 }
99 
100 struct t4240qds_mdio {
101 	u8 muxval;
102 	struct mii_dev *realbus;
103 };
104 
105 static void t4240qds_mux_mdio(u8 muxval)
106 {
107 	u8 brdcfg4;
108 	if ((muxval < 6) || (muxval == 7)) {
109 		brdcfg4 = QIXIS_READ(brdcfg[4]);
110 		brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
111 		brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
112 		QIXIS_WRITE(brdcfg[4], brdcfg4);
113 	}
114 }
115 
116 static int t4240qds_mdio_read(struct mii_dev *bus, int addr, int devad,
117 				int regnum)
118 {
119 	struct t4240qds_mdio *priv = bus->priv;
120 
121 	t4240qds_mux_mdio(priv->muxval);
122 
123 	return priv->realbus->read(priv->realbus, addr, devad, regnum);
124 }
125 
126 static int t4240qds_mdio_write(struct mii_dev *bus, int addr, int devad,
127 				int regnum, u16 value)
128 {
129 	struct t4240qds_mdio *priv = bus->priv;
130 
131 	t4240qds_mux_mdio(priv->muxval);
132 
133 	return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
134 }
135 
136 static int t4240qds_mdio_reset(struct mii_dev *bus)
137 {
138 	struct t4240qds_mdio *priv = bus->priv;
139 
140 	return priv->realbus->reset(priv->realbus);
141 }
142 
143 static int t4240qds_mdio_init(char *realbusname, u8 muxval)
144 {
145 	struct t4240qds_mdio *pmdio;
146 	struct mii_dev *bus = mdio_alloc();
147 
148 	if (!bus) {
149 		printf("Failed to allocate T4240QDS MDIO bus\n");
150 		return -1;
151 	}
152 
153 	pmdio = malloc(sizeof(*pmdio));
154 	if (!pmdio) {
155 		printf("Failed to allocate T4240QDS private data\n");
156 		free(bus);
157 		return -1;
158 	}
159 
160 	bus->read = t4240qds_mdio_read;
161 	bus->write = t4240qds_mdio_write;
162 	bus->reset = t4240qds_mdio_reset;
163 	sprintf(bus->name, t4240qds_mdio_name_for_muxval(muxval));
164 
165 	pmdio->realbus = miiphy_get_dev_by_name(realbusname);
166 
167 	if (!pmdio->realbus) {
168 		printf("No bus with name %s\n", realbusname);
169 		free(bus);
170 		free(pmdio);
171 		return -1;
172 	}
173 
174 	pmdio->muxval = muxval;
175 	bus->priv = pmdio;
176 
177 	return mdio_register(bus);
178 }
179 
180 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
181 				enum fm_port port, int offset)
182 {
183 	if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
184 		switch (port) {
185 		case FM1_DTSEC9:
186 			fdt_set_phy_handle(blob, prop, pa, "phy_sgmii4");
187 			break;
188 		case FM1_DTSEC10:
189 			fdt_set_phy_handle(blob, prop, pa, "phy_sgmii3");
190 			break;
191 		case FM2_DTSEC9:
192 			fdt_set_phy_handle(blob, prop, pa, "phy_sgmii12");
193 			break;
194 		case FM2_DTSEC10:
195 			fdt_set_phy_handle(blob, prop, pa, "phy_sgmii11");
196 			break;
197 		default:
198 			break;
199 		}
200 	}
201 }
202 
203 void fdt_fixup_board_enet(void *fdt)
204 {
205 	int i;
206 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
207 	u32 prtcl2 = in_be32(&gur->rcwsr[4]) & FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
208 
209 	prtcl2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
210 	for (i = FM1_DTSEC1; i < NUM_FM_PORTS; i++) {
211 		switch (fm_info_get_enet_if(i)) {
212 		case PHY_INTERFACE_MODE_SGMII:
213 			switch (mdio_mux[i]) {
214 			case EMI1_SLOT1:
215 				fdt_status_okay_by_alias(fdt, "emi1_slot1");
216 				break;
217 			case EMI1_SLOT2:
218 				fdt_status_okay_by_alias(fdt, "emi1_slot2");
219 				break;
220 			case EMI1_SLOT3:
221 				fdt_status_okay_by_alias(fdt, "emi1_slot3");
222 				break;
223 			case EMI1_SLOT4:
224 				fdt_status_okay_by_alias(fdt, "emi1_slot4");
225 				break;
226 			default:
227 				break;
228 			}
229 			break;
230 		case PHY_INTERFACE_MODE_XGMII:
231 			/* check if it's XFI interface for 10g */
232 			if ((prtcl2 == 56) || (prtcl2 == 57)) {
233 				fdt_status_okay_by_alias(fdt, "emi2_xfislot3");
234 				break;
235 			}
236 			switch (i) {
237 			case FM1_10GEC1:
238 				fdt_status_okay_by_alias(fdt, "emi2_xauislot1");
239 				break;
240 			case FM1_10GEC2:
241 				fdt_status_okay_by_alias(fdt, "emi2_xauislot2");
242 				break;
243 			case FM2_10GEC1:
244 				fdt_status_okay_by_alias(fdt, "emi2_xauislot3");
245 				break;
246 			case FM2_10GEC2:
247 				fdt_status_okay_by_alias(fdt, "emi2_xauislot4");
248 				break;
249 			default:
250 				break;
251 			}
252 			break;
253 		default:
254 			break;
255 		}
256 	}
257 }
258 
259 int board_eth_init(bd_t *bis)
260 {
261 #if defined(CONFIG_FMAN_ENET)
262 	int i, idx, lane, slot;
263 	struct memac_mdio_info dtsec_mdio_info;
264 	struct memac_mdio_info tgec_mdio_info;
265 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
266 	u32 srds_prtcl_s1, srds_prtcl_s2;
267 
268 	srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
269 					FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
270 	srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
271 	srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
272 					FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
273 	srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
274 
275 	/* Initialize the mdio_mux array so we can recognize empty elements */
276 	for (i = 0; i < NUM_FM_PORTS; i++)
277 		mdio_mux[i] = EMI_NONE;
278 
279 	dtsec_mdio_info.regs =
280 		(struct memac_mdio_controller *)CONFIG_SYS_FM2_DTSEC_MDIO_ADDR;
281 
282 	dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
283 
284 	/* Register the 1G MDIO bus */
285 	fm_memac_mdio_init(bis, &dtsec_mdio_info);
286 
287 	tgec_mdio_info.regs =
288 		(struct memac_mdio_controller *)CONFIG_SYS_FM2_TGEC_MDIO_ADDR;
289 	tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
290 
291 	/* Register the 10G MDIO bus */
292 	fm_memac_mdio_init(bis, &tgec_mdio_info);
293 
294 	/* Register the muxing front-ends to the MDIO buses */
295 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII);
296 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
297 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
298 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
299 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
300 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
301 	t4240qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT7);
302 	t4240qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);
303 
304 
305 	switch (srds_prtcl_s1) {
306 	case 1:
307 	case 2:
308 	case 4:
309 		/* XAUI/HiGig in Slot1 and Slot2 */
310 		fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
311 		fm_info_set_phy_address(FM1_10GEC2, FM1_10GEC2_PHY_ADDR);
312 		break;
313 	case 28:
314 	case 36:
315 		/* SGMII in Slot1 and Slot2 */
316 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
317 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
318 		fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
319 		fm_info_set_phy_address(FM1_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
320 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
321 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
322 		if ((srds_prtcl_s2 != 56) && (srds_prtcl_s2 != 57)) {
323 			fm_info_set_phy_address(FM1_DTSEC9,
324 						SGMII_CARD_PORT4_PHY_ADDR);
325 			fm_info_set_phy_address(FM1_DTSEC10,
326 						SGMII_CARD_PORT3_PHY_ADDR);
327 		}
328 		break;
329 	case 38:
330 		fm_info_set_phy_address(FM1_DTSEC5, QSGMII_CARD_PHY_ADDR);
331 		fm_info_set_phy_address(FM1_DTSEC6, QSGMII_CARD_PHY_ADDR);
332 		if ((srds_prtcl_s2 != 56) && (srds_prtcl_s2 != 57)) {
333 			fm_info_set_phy_address(FM1_DTSEC9,
334 						QSGMII_CARD_PHY_ADDR);
335 			fm_info_set_phy_address(FM1_DTSEC10,
336 						QSGMII_CARD_PHY_ADDR);
337 		}
338 		break;
339 	case 40:
340 	case 46:
341 	case 48:
342 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
343 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
344 		if ((srds_prtcl_s2 != 56) && (srds_prtcl_s2 != 57)) {
345 			fm_info_set_phy_address(FM1_DTSEC10,
346 						SGMII_CARD_PORT3_PHY_ADDR);
347 			fm_info_set_phy_address(FM1_DTSEC9,
348 						SGMII_CARD_PORT4_PHY_ADDR);
349 		}
350 		fm_info_set_phy_address(FM1_DTSEC1, QSGMII_CARD_PHY_ADDR);
351 		fm_info_set_phy_address(FM1_DTSEC2, QSGMII_CARD_PHY_ADDR);
352 		fm_info_set_phy_address(FM1_DTSEC3, QSGMII_CARD_PHY_ADDR);
353 		fm_info_set_phy_address(FM1_DTSEC4, QSGMII_CARD_PHY_ADDR);
354 		break;
355 	default:
356 		puts("Invalid SerDes1 protocol for T4240QDS\n");
357 		break;
358 	}
359 
360 	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
361 		idx = i - FM1_DTSEC1;
362 		switch (fm_info_get_enet_if(i)) {
363 		case PHY_INTERFACE_MODE_SGMII:
364 			lane = serdes_get_first_lane(FSL_SRDS_1,
365 						SGMII_FM1_DTSEC1 + idx);
366 			if (lane < 0)
367 				break;
368 			slot = lane_to_slot_fsm1[lane];
369 			debug("FM1@DTSEC%u expects SGMII in slot %u\n",
370 				idx + 1, slot);
371 			if (QIXIS_READ(present2) & (1 << (slot - 1)))
372 				fm_disable_port(i);
373 			switch (slot) {
374 			case 1:
375 				mdio_mux[i] = EMI1_SLOT1;
376 				fm_info_set_mdio(i,
377 					mii_dev_for_muxval(mdio_mux[i]));
378 				break;
379 			case 2:
380 				mdio_mux[i] = EMI1_SLOT2;
381 				fm_info_set_mdio(i,
382 					mii_dev_for_muxval(mdio_mux[i]));
383 				break;
384 			};
385 			break;
386 		case PHY_INTERFACE_MODE_RGMII:
387 			/* FM1 DTSEC5 routes to RGMII with EC2 */
388 			debug("FM1@DTSEC%u is RGMII at address %u\n",
389 				idx + 1, 2);
390 			if (i == FM1_DTSEC5)
391 				fm_info_set_phy_address(i, 2);
392 			mdio_mux[i] = EMI1_RGMII;
393 			fm_info_set_mdio(i,
394 				mii_dev_for_muxval(mdio_mux[i]));
395 			break;
396 		default:
397 			break;
398 		}
399 	}
400 
401 	for (i = FM1_10GEC1; i < FM1_10GEC1 + CONFIG_SYS_NUM_FM1_10GEC; i++) {
402 		idx = i - FM1_10GEC1;
403 		switch (fm_info_get_enet_if(i)) {
404 		case PHY_INTERFACE_MODE_XGMII:
405 			lane = serdes_get_first_lane(FSL_SRDS_1,
406 						XAUI_FM1_MAC9 + idx);
407 			if (lane < 0)
408 				break;
409 			slot = lane_to_slot_fsm1[lane];
410 			if (QIXIS_READ(present2) & (1 << (slot - 1)))
411 				fm_disable_port(i);
412 			mdio_mux[i] = EMI2;
413 			fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
414 			break;
415 		default:
416 			break;
417 		}
418 	}
419 
420 #if (CONFIG_SYS_NUM_FMAN == 2)
421 	switch (srds_prtcl_s2) {
422 	case 1:
423 	case 2:
424 	case 4:
425 		/* XAUI/HiGig in Slot3 and Slot4 */
426 		fm_info_set_phy_address(FM2_10GEC1, FM2_10GEC1_PHY_ADDR);
427 		fm_info_set_phy_address(FM2_10GEC2, FM2_10GEC2_PHY_ADDR);
428 		break;
429 	case 7:
430 	case 13:
431 	case 14:
432 	case 16:
433 	case 22:
434 	case 23:
435 	case 25:
436 	case 26:
437 		/* XAUI/HiGig in Slot3, SGMII in Slot4 */
438 		fm_info_set_phy_address(FM2_10GEC1, FM2_10GEC1_PHY_ADDR);
439 		fm_info_set_phy_address(FM2_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
440 		fm_info_set_phy_address(FM2_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
441 		fm_info_set_phy_address(FM2_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
442 		fm_info_set_phy_address(FM2_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
443 		break;
444 	case 28:
445 	case 36:
446 		/* SGMII in Slot3 and Slot4 */
447 		fm_info_set_phy_address(FM2_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
448 		fm_info_set_phy_address(FM2_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
449 		fm_info_set_phy_address(FM2_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
450 		fm_info_set_phy_address(FM2_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
451 		fm_info_set_phy_address(FM2_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
452 		fm_info_set_phy_address(FM2_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
453 		fm_info_set_phy_address(FM2_DTSEC9, SGMII_CARD_PORT4_PHY_ADDR);
454 		fm_info_set_phy_address(FM2_DTSEC10, SGMII_CARD_PORT3_PHY_ADDR);
455 		break;
456 	case 38:
457 		/* QSGMII in Slot3 and Slot4 */
458 		fm_info_set_phy_address(FM2_DTSEC1, QSGMII_CARD_PHY_ADDR);
459 		fm_info_set_phy_address(FM2_DTSEC2, QSGMII_CARD_PHY_ADDR);
460 		fm_info_set_phy_address(FM2_DTSEC3, QSGMII_CARD_PHY_ADDR);
461 		fm_info_set_phy_address(FM2_DTSEC4, QSGMII_CARD_PHY_ADDR);
462 		fm_info_set_phy_address(FM2_DTSEC5, QSGMII_CARD_PHY_ADDR);
463 		fm_info_set_phy_address(FM2_DTSEC6, QSGMII_CARD_PHY_ADDR);
464 		fm_info_set_phy_address(FM2_DTSEC9, QSGMII_CARD_PHY_ADDR);
465 		fm_info_set_phy_address(FM2_DTSEC10, QSGMII_CARD_PHY_ADDR);
466 		break;
467 	case 40:
468 	case 46:
469 	case 48:
470 		/* SGMII in Slot3 */
471 		fm_info_set_phy_address(FM2_DTSEC5, SGMII_CARD_PORT1_PHY_ADDR);
472 		fm_info_set_phy_address(FM2_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
473 		fm_info_set_phy_address(FM2_DTSEC9, SGMII_CARD_PORT4_PHY_ADDR);
474 		fm_info_set_phy_address(FM2_DTSEC10, SGMII_CARD_PORT3_PHY_ADDR);
475 		/* QSGMII in Slot4 */
476 		fm_info_set_phy_address(FM2_DTSEC1, QSGMII_CARD_PHY_ADDR);
477 		fm_info_set_phy_address(FM2_DTSEC2, QSGMII_CARD_PHY_ADDR);
478 		fm_info_set_phy_address(FM2_DTSEC3, QSGMII_CARD_PHY_ADDR);
479 		fm_info_set_phy_address(FM2_DTSEC4, QSGMII_CARD_PHY_ADDR);
480 		break;
481 	case 50:
482 	case 52:
483 	case 54:
484 		fm_info_set_phy_address(FM2_10GEC1, FM2_10GEC1_PHY_ADDR);
485 		fm_info_set_phy_address(FM2_DTSEC1, QSGMII_CARD_PHY_ADDR);
486 		fm_info_set_phy_address(FM2_DTSEC2, QSGMII_CARD_PHY_ADDR);
487 		fm_info_set_phy_address(FM2_DTSEC3, QSGMII_CARD_PHY_ADDR);
488 		fm_info_set_phy_address(FM2_DTSEC4, QSGMII_CARD_PHY_ADDR);
489 		break;
490 	case 56:
491 	case 57:
492 		/* XFI in Slot3, SGMII in Slot4 */
493 		fm_info_set_phy_address(FM2_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
494 		fm_info_set_phy_address(FM2_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
495 		fm_info_set_phy_address(FM2_DTSEC3, SGMII_CARD_PORT3_PHY_ADDR);
496 		fm_info_set_phy_address(FM2_DTSEC4, SGMII_CARD_PORT4_PHY_ADDR);
497 		break;
498 	default:
499 		puts("Invalid SerDes2 protocol for T4240QDS\n");
500 		break;
501 	}
502 
503 	for (i = FM2_DTSEC1; i < FM2_DTSEC1 + CONFIG_SYS_NUM_FM2_DTSEC; i++) {
504 		idx = i - FM2_DTSEC1;
505 		switch (fm_info_get_enet_if(i)) {
506 		case PHY_INTERFACE_MODE_SGMII:
507 			lane = serdes_get_first_lane(FSL_SRDS_2,
508 						SGMII_FM2_DTSEC1 + idx);
509 			if (lane < 0)
510 				break;
511 			slot = lane_to_slot_fsm2[lane];
512 			debug("FM2@DTSEC%u expects SGMII in slot %u\n",
513 				idx + 1, slot);
514 			if (QIXIS_READ(present2) & (1 << (slot - 1)))
515 				fm_disable_port(i);
516 			switch (slot) {
517 			case 3:
518 				mdio_mux[i] = EMI1_SLOT3;
519 				fm_info_set_mdio(i,
520 					mii_dev_for_muxval(mdio_mux[i]));
521 				break;
522 			case 4:
523 				mdio_mux[i] = EMI1_SLOT4;
524 				fm_info_set_mdio(i,
525 					mii_dev_for_muxval(mdio_mux[i]));
526 				break;
527 			};
528 			break;
529 		case PHY_INTERFACE_MODE_RGMII:
530 			/*
531 			 * If DTSEC5 is RGMII, then it's routed via via EC1 to
532 			 * the first on-board RGMII port.  If DTSEC6 is RGMII,
533 			 * then it's routed via via EC2 to the second on-board
534 			 * RGMII port.
535 			 */
536 			debug("FM2@DTSEC%u is RGMII at address %u\n",
537 				idx + 1, i == FM2_DTSEC5 ? 1 : 2);
538 			fm_info_set_phy_address(i, i == FM2_DTSEC5 ? 1 : 2);
539 			mdio_mux[i] = EMI1_RGMII;
540 			fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
541 			break;
542 		default:
543 			break;
544 		}
545 	}
546 
547 	for (i = FM2_10GEC1; i < FM2_10GEC1 + CONFIG_SYS_NUM_FM2_10GEC; i++) {
548 		idx = i - FM2_10GEC1;
549 		switch (fm_info_get_enet_if(i)) {
550 		case PHY_INTERFACE_MODE_XGMII:
551 			lane = serdes_get_first_lane(FSL_SRDS_2,
552 						XAUI_FM2_MAC9 + idx);
553 			if (lane < 0)
554 				break;
555 			slot = lane_to_slot_fsm2[lane];
556 			if (QIXIS_READ(present2) & (1 << (slot - 1)))
557 				fm_disable_port(i);
558 			mdio_mux[i] = EMI2;
559 			fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
560 			break;
561 		default:
562 			break;
563 		}
564 	}
565 #endif /* CONFIG_SYS_NUM_FMAN */
566 
567 	cpu_eth_init(bis);
568 #endif /* CONFIG_FMAN_ENET */
569 
570 	return pci_eth_init(bis);
571 }
572