xref: /openbmc/u-boot/drivers/net/fm/eth.c (revision 1a05b5f9)
1 /*
2  * Copyright 2009-2012 Freescale Semiconductor, Inc.
3  *	Dave Liu <daveliu@freescale.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 #include <common.h>
8 #include <asm/io.h>
9 #include <malloc.h>
10 #include <net.h>
11 #include <hwconfig.h>
12 #include <fm_eth.h>
13 #include <fsl_mdio.h>
14 #include <miiphy.h>
15 #include <phy.h>
16 #include <asm/fsl_dtsec.h>
17 #include <asm/fsl_tgec.h>
18 #include <asm/fsl_memac.h>
19 
20 #include "fm.h"
21 
22 static struct eth_device *devlist[NUM_FM_PORTS];
23 static int num_controllers;
24 
25 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
26 
27 #define TBIANA_SETTINGS (TBIANA_ASYMMETRIC_PAUSE | TBIANA_SYMMETRIC_PAUSE | \
28 			 TBIANA_FULL_DUPLEX)
29 
30 #define TBIANA_SGMII_ACK 0x4001
31 
32 #define TBICR_SETTINGS (TBICR_ANEG_ENABLE | TBICR_RESTART_ANEG | \
33 			TBICR_FULL_DUPLEX | TBICR_SPEED1_SET)
34 
35 /* Configure the TBI for SGMII operation */
36 static void dtsec_configure_serdes(struct fm_eth *priv)
37 {
38 #ifdef CONFIG_SYS_FMAN_V3
39 	u32 value;
40 	struct mii_dev bus;
41 	bus.priv = priv->mac->phyregs;
42 
43 	/* SGMII IF mode + AN enable */
44 	value = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
45 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
46 
47 	/* Dev ability according to SGMII specification */
48 	value = PHY_SGMII_DEV_ABILITY_SGMII;
49 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x4, value);
50 
51 	/* Adjust link timer for SGMII  -
52 	1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */
53 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x13, 0x3);
54 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
55 
56 	/* Restart AN */
57 	value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
58 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
59 #else
60 	struct dtsec *regs = priv->mac->base;
61 	struct tsec_mii_mng *phyregs = priv->mac->phyregs;
62 
63 	/*
64 	 * Access TBI PHY registers at given TSEC register offset as
65 	 * opposed to the register offset used for external PHY accesses
66 	 */
67 	tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_TBICON,
68 			TBICON_CLK_SELECT);
69 	tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_ANA,
70 			TBIANA_SGMII_ACK);
71 	tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0,
72 			TBI_CR, TBICR_SETTINGS);
73 #endif
74 }
75 
76 static void dtsec_init_phy(struct eth_device *dev)
77 {
78 	struct fm_eth *fm_eth = dev->priv;
79 #ifndef CONFIG_SYS_FMAN_V3
80 	struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
81 
82 	/* Assign a Physical address to the TBI */
83 	out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
84 #endif
85 
86 	if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII)
87 		dtsec_configure_serdes(fm_eth);
88 }
89 
90 static int tgec_is_fibre(struct eth_device *dev)
91 {
92 	struct fm_eth *fm = dev->priv;
93 	char phyopt[20];
94 
95 	sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
96 
97 	return hwconfig_arg_cmp(phyopt, "xfi");
98 }
99 #endif
100 
101 static u16 muram_readw(u16 *addr)
102 {
103 	u32 base = (u32)addr & ~0x3;
104 	u32 val32 = *(u32 *)base;
105 	int byte_pos;
106 	u16 ret;
107 
108 	byte_pos = (u32)addr & 0x3;
109 	if (byte_pos)
110 		ret = (u16)(val32 & 0x0000ffff);
111 	else
112 		ret = (u16)((val32 & 0xffff0000) >> 16);
113 
114 	return ret;
115 }
116 
117 static void muram_writew(u16 *addr, u16 val)
118 {
119 	u32 base = (u32)addr & ~0x3;
120 	u32 org32 = *(u32 *)base;
121 	u32 val32;
122 	int byte_pos;
123 
124 	byte_pos = (u32)addr & 0x3;
125 	if (byte_pos)
126 		val32 = (org32 & 0xffff0000) | val;
127 	else
128 		val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
129 
130 	*(u32 *)base = val32;
131 }
132 
133 static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
134 {
135 	int timeout = 1000000;
136 
137 	clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
138 
139 	/* wait until the rx port is not busy */
140 	while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
141 		;
142 }
143 
144 static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
145 {
146 	/* set BMI to independent mode, Rx port disable */
147 	out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
148 	/* clear FOF in IM case */
149 	out_be32(&rx_port->fmbm_rim, 0);
150 	/* Rx frame next engine -RISC */
151 	out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
152 	/* Rx command attribute - no order, MR[3] = 1 */
153 	clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
154 	setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
155 	/* enable Rx statistic counters */
156 	out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
157 	/* disable Rx performance counters */
158 	out_be32(&rx_port->fmbm_rpc, 0);
159 }
160 
161 static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
162 {
163 	int timeout = 1000000;
164 
165 	clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
166 
167 	/* wait until the tx port is not busy */
168 	while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
169 		;
170 }
171 
172 static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
173 {
174 	/* set BMI to independent mode, Tx port disable */
175 	out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
176 	/* Tx frame next engine -RISC */
177 	out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
178 	out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
179 	/* Tx command attribute - no order, MR[3] = 1 */
180 	clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
181 	setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
182 	/* enable Tx statistic counters */
183 	out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
184 	/* disable Tx performance counters */
185 	out_be32(&tx_port->fmbm_tpc, 0);
186 }
187 
188 static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
189 {
190 	struct fm_port_global_pram *pram;
191 	u32 pram_page_offset;
192 	void *rx_bd_ring_base;
193 	void *rx_buf_pool;
194 	struct fm_port_bd *rxbd;
195 	struct fm_port_qd *rxqd;
196 	struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
197 	int i;
198 
199 	/* alloc global parameter ram at MURAM */
200 	pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
201 		FM_PRAM_SIZE, FM_PRAM_ALIGN);
202 	fm_eth->rx_pram = pram;
203 
204 	/* parameter page offset to MURAM */
205 	pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
206 
207 	/* enable global mode- snooping data buffers and BDs */
208 	pram->mode = PRAM_MODE_GLOBAL;
209 
210 	/* init the Rx queue descriptor pionter */
211 	pram->rxqd_ptr = pram_page_offset + 0x20;
212 
213 	/* set the max receive buffer length, power of 2 */
214 	muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
215 
216 	/* alloc Rx buffer descriptors from main memory */
217 	rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
218 			* RX_BD_RING_SIZE);
219 	if (!rx_bd_ring_base)
220 		return 0;
221 	memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
222 			* RX_BD_RING_SIZE);
223 
224 	/* alloc Rx buffer from main memory */
225 	rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
226 	if (!rx_buf_pool)
227 		return 0;
228 	memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
229 
230 	/* save them to fm_eth */
231 	fm_eth->rx_bd_ring = rx_bd_ring_base;
232 	fm_eth->cur_rxbd = rx_bd_ring_base;
233 	fm_eth->rx_buf = rx_buf_pool;
234 
235 	/* init Rx BDs ring */
236 	rxbd = (struct fm_port_bd *)rx_bd_ring_base;
237 	for (i = 0; i < RX_BD_RING_SIZE; i++) {
238 		rxbd->status = RxBD_EMPTY;
239 		rxbd->len = 0;
240 		rxbd->buf_ptr_hi = 0;
241 		rxbd->buf_ptr_lo = (u32)rx_buf_pool + i * MAX_RXBUF_LEN;
242 		rxbd++;
243 	}
244 
245 	/* set the Rx queue descriptor */
246 	rxqd = &pram->rxqd;
247 	muram_writew(&rxqd->gen, 0);
248 	muram_writew(&rxqd->bd_ring_base_hi, 0);
249 	rxqd->bd_ring_base_lo = (u32)rx_bd_ring_base;
250 	muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
251 			* RX_BD_RING_SIZE);
252 	muram_writew(&rxqd->offset_in, 0);
253 	muram_writew(&rxqd->offset_out, 0);
254 
255 	/* set IM parameter ram pointer to Rx Frame Queue ID */
256 	out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
257 
258 	return 1;
259 }
260 
261 static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
262 {
263 	struct fm_port_global_pram *pram;
264 	u32 pram_page_offset;
265 	void *tx_bd_ring_base;
266 	struct fm_port_bd *txbd;
267 	struct fm_port_qd *txqd;
268 	struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
269 	int i;
270 
271 	/* alloc global parameter ram at MURAM */
272 	pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
273 		FM_PRAM_SIZE, FM_PRAM_ALIGN);
274 	fm_eth->tx_pram = pram;
275 
276 	/* parameter page offset to MURAM */
277 	pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
278 
279 	/* enable global mode- snooping data buffers and BDs */
280 	pram->mode = PRAM_MODE_GLOBAL;
281 
282 	/* init the Tx queue descriptor pionter */
283 	pram->txqd_ptr = pram_page_offset + 0x40;
284 
285 	/* alloc Tx buffer descriptors from main memory */
286 	tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
287 			* TX_BD_RING_SIZE);
288 	if (!tx_bd_ring_base)
289 		return 0;
290 	memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
291 			* TX_BD_RING_SIZE);
292 	/* save it to fm_eth */
293 	fm_eth->tx_bd_ring = tx_bd_ring_base;
294 	fm_eth->cur_txbd = tx_bd_ring_base;
295 
296 	/* init Tx BDs ring */
297 	txbd = (struct fm_port_bd *)tx_bd_ring_base;
298 	for (i = 0; i < TX_BD_RING_SIZE; i++) {
299 		txbd->status = TxBD_LAST;
300 		txbd->len = 0;
301 		txbd->buf_ptr_hi = 0;
302 		txbd->buf_ptr_lo = 0;
303 	}
304 
305 	/* set the Tx queue decriptor */
306 	txqd = &pram->txqd;
307 	muram_writew(&txqd->bd_ring_base_hi, 0);
308 	txqd->bd_ring_base_lo = (u32)tx_bd_ring_base;
309 	muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
310 			* TX_BD_RING_SIZE);
311 	muram_writew(&txqd->offset_in, 0);
312 	muram_writew(&txqd->offset_out, 0);
313 
314 	/* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
315 	out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
316 
317 	return 1;
318 }
319 
320 static int fm_eth_init(struct fm_eth *fm_eth)
321 {
322 
323 	if (!fm_eth_rx_port_parameter_init(fm_eth))
324 		return 0;
325 
326 	if (!fm_eth_tx_port_parameter_init(fm_eth))
327 		return 0;
328 
329 	return 1;
330 }
331 
332 static int fm_eth_startup(struct fm_eth *fm_eth)
333 {
334 	struct fsl_enet_mac *mac;
335 	mac = fm_eth->mac;
336 
337 	/* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
338 	if (!fm_eth_init(fm_eth))
339 		return 0;
340 	/* setup the MAC controller */
341 	mac->init_mac(mac);
342 
343 	/* For some reason we need to set SPEED_100 */
344 	if (((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) ||
345 	     (fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) &&
346 	      mac->set_if_mode)
347 		mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
348 
349 	/* init bmi rx port, IM mode and disable */
350 	bmi_rx_port_init(fm_eth->rx_port);
351 	/* init bmi tx port, IM mode and disable */
352 	bmi_tx_port_init(fm_eth->tx_port);
353 
354 	return 1;
355 }
356 
357 static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
358 {
359 	struct fm_port_global_pram *pram;
360 
361 	pram = fm_eth->tx_pram;
362 	/* graceful stop transmission of frames */
363 	pram->mode |= PRAM_MODE_GRACEFUL_STOP;
364 	sync();
365 }
366 
367 static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
368 {
369 	struct fm_port_global_pram *pram;
370 
371 	pram = fm_eth->tx_pram;
372 	/* re-enable transmission of frames */
373 	pram->mode &= ~PRAM_MODE_GRACEFUL_STOP;
374 	sync();
375 }
376 
377 static int fm_eth_open(struct eth_device *dev, bd_t *bd)
378 {
379 	struct fm_eth *fm_eth;
380 	struct fsl_enet_mac *mac;
381 #ifdef CONFIG_PHYLIB
382 	int ret;
383 #endif
384 
385 	fm_eth = (struct fm_eth *)dev->priv;
386 	mac = fm_eth->mac;
387 
388 	/* setup the MAC address */
389 	if (dev->enetaddr[0] & 0x01) {
390 		printf("%s: MacAddress is multcast address\n",	__func__);
391 		return 1;
392 	}
393 	mac->set_mac_addr(mac, dev->enetaddr);
394 
395 	/* enable bmi Rx port */
396 	setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
397 	/* enable MAC rx/tx port */
398 	mac->enable_mac(mac);
399 	/* enable bmi Tx port */
400 	setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
401 	/* re-enable transmission of frame */
402 	fmc_tx_port_graceful_stop_disable(fm_eth);
403 
404 #ifdef CONFIG_PHYLIB
405 	ret = phy_startup(fm_eth->phydev);
406 	if (ret) {
407 		printf("%s: Could not initialize\n", fm_eth->phydev->dev->name);
408 		return ret;
409 	}
410 #else
411 	fm_eth->phydev->speed = SPEED_1000;
412 	fm_eth->phydev->link = 1;
413 	fm_eth->phydev->duplex = DUPLEX_FULL;
414 #endif
415 
416 	/* set the MAC-PHY mode */
417 	mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
418 
419 	if (!fm_eth->phydev->link)
420 		printf("%s: No link.\n", fm_eth->phydev->dev->name);
421 
422 	return fm_eth->phydev->link ? 0 : -1;
423 }
424 
425 static void fm_eth_halt(struct eth_device *dev)
426 {
427 	struct fm_eth *fm_eth;
428 	struct fsl_enet_mac *mac;
429 
430 	fm_eth = (struct fm_eth *)dev->priv;
431 	mac = fm_eth->mac;
432 
433 	/* graceful stop the transmission of frames */
434 	fmc_tx_port_graceful_stop_enable(fm_eth);
435 	/* disable bmi Tx port */
436 	bmi_tx_port_disable(fm_eth->tx_port);
437 	/* disable MAC rx/tx port */
438 	mac->disable_mac(mac);
439 	/* disable bmi Rx port */
440 	bmi_rx_port_disable(fm_eth->rx_port);
441 
442 	phy_shutdown(fm_eth->phydev);
443 }
444 
445 static int fm_eth_send(struct eth_device *dev, void *buf, int len)
446 {
447 	struct fm_eth *fm_eth;
448 	struct fm_port_global_pram *pram;
449 	struct fm_port_bd *txbd, *txbd_base;
450 	u16 offset_in;
451 	int i;
452 
453 	fm_eth = (struct fm_eth *)dev->priv;
454 	pram = fm_eth->tx_pram;
455 	txbd = fm_eth->cur_txbd;
456 
457 	/* find one empty TxBD */
458 	for (i = 0; txbd->status & TxBD_READY; i++) {
459 		udelay(100);
460 		if (i > 0x1000) {
461 			printf("%s: Tx buffer not ready\n", dev->name);
462 			return 0;
463 		}
464 	}
465 	/* setup TxBD */
466 	txbd->buf_ptr_hi = 0;
467 	txbd->buf_ptr_lo = (u32)buf;
468 	txbd->len = len;
469 	sync();
470 	txbd->status = TxBD_READY | TxBD_LAST;
471 	sync();
472 
473 	/* update TxQD, let RISC to send the packet */
474 	offset_in = muram_readw(&pram->txqd.offset_in);
475 	offset_in += sizeof(struct fm_port_bd);
476 	if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
477 		offset_in = 0;
478 	muram_writew(&pram->txqd.offset_in, offset_in);
479 	sync();
480 
481 	/* wait for buffer to be transmitted */
482 	for (i = 0; txbd->status & TxBD_READY; i++) {
483 		udelay(100);
484 		if (i > 0x10000) {
485 			printf("%s: Tx error\n", dev->name);
486 			return 0;
487 		}
488 	}
489 
490 	/* advance the TxBD */
491 	txbd++;
492 	txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
493 	if (txbd >= (txbd_base + TX_BD_RING_SIZE))
494 		txbd = txbd_base;
495 	/* update current txbd */
496 	fm_eth->cur_txbd = (void *)txbd;
497 
498 	return 1;
499 }
500 
501 static int fm_eth_recv(struct eth_device *dev)
502 {
503 	struct fm_eth *fm_eth;
504 	struct fm_port_global_pram *pram;
505 	struct fm_port_bd *rxbd, *rxbd_base;
506 	u16 status, len;
507 	u8 *data;
508 	u16 offset_out;
509 
510 	fm_eth = (struct fm_eth *)dev->priv;
511 	pram = fm_eth->rx_pram;
512 	rxbd = fm_eth->cur_rxbd;
513 	status = rxbd->status;
514 
515 	while (!(status & RxBD_EMPTY)) {
516 		if (!(status & RxBD_ERROR)) {
517 			data = (u8 *)rxbd->buf_ptr_lo;
518 			len = rxbd->len;
519 			NetReceive(data, len);
520 		} else {
521 			printf("%s: Rx error\n", dev->name);
522 			return 0;
523 		}
524 
525 		/* clear the RxBDs */
526 		rxbd->status = RxBD_EMPTY;
527 		rxbd->len = 0;
528 		sync();
529 
530 		/* advance RxBD */
531 		rxbd++;
532 		rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
533 		if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
534 			rxbd = rxbd_base;
535 		/* read next status */
536 		status = rxbd->status;
537 
538 		/* update RxQD */
539 		offset_out = muram_readw(&pram->rxqd.offset_out);
540 		offset_out += sizeof(struct fm_port_bd);
541 		if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
542 			offset_out = 0;
543 		muram_writew(&pram->rxqd.offset_out, offset_out);
544 		sync();
545 	}
546 	fm_eth->cur_rxbd = (void *)rxbd;
547 
548 	return 1;
549 }
550 
551 static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
552 {
553 	struct fsl_enet_mac *mac;
554 	int num;
555 	void *base, *phyregs = NULL;
556 
557 	num = fm_eth->num;
558 
559 #ifdef CONFIG_SYS_FMAN_V3
560 	if (fm_eth->type == FM_ETH_10G_E)
561 		num += 8;
562 	base = &reg->memac[num].fm_memac;
563 	phyregs = &reg->memac[num].fm_memac_mdio;
564 #else
565 	/* Get the mac registers base address */
566 	if (fm_eth->type == FM_ETH_1G_E) {
567 		base = &reg->mac_1g[num].fm_dtesc;
568 		phyregs = &reg->mac_1g[num].fm_mdio.miimcfg;
569 	} else {
570 		base = &reg->mac_10g[num].fm_10gec;
571 		phyregs = &reg->mac_10g[num].fm_10gec_mdio;
572 	}
573 #endif
574 
575 	/* alloc mac controller */
576 	mac = malloc(sizeof(struct fsl_enet_mac));
577 	if (!mac)
578 		return 0;
579 	memset(mac, 0, sizeof(struct fsl_enet_mac));
580 
581 	/* save the mac to fm_eth struct */
582 	fm_eth->mac = mac;
583 
584 #ifdef CONFIG_SYS_FMAN_V3
585 	init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
586 #else
587 	if (fm_eth->type == FM_ETH_1G_E)
588 		init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
589 	else
590 		init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
591 #endif
592 
593 	return 1;
594 }
595 
596 static int init_phy(struct eth_device *dev)
597 {
598 	struct fm_eth *fm_eth = dev->priv;
599 	struct phy_device *phydev = NULL;
600 	u32 supported;
601 
602 #ifdef CONFIG_PHYLIB
603 	if (fm_eth->type == FM_ETH_1G_E)
604 		dtsec_init_phy(dev);
605 
606 	if (fm_eth->bus) {
607 		phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
608 					fm_eth->enet_if);
609 	}
610 
611 	if (!phydev) {
612 		printf("Failed to connect\n");
613 		return -1;
614 	}
615 
616 	if (fm_eth->type == FM_ETH_1G_E) {
617 		supported = (SUPPORTED_10baseT_Half |
618 				SUPPORTED_10baseT_Full |
619 				SUPPORTED_100baseT_Half |
620 				SUPPORTED_100baseT_Full |
621 				SUPPORTED_1000baseT_Full);
622 	} else {
623 		supported = SUPPORTED_10000baseT_Full;
624 
625 		if (tgec_is_fibre(dev))
626 			phydev->port = PORT_FIBRE;
627 	}
628 
629 	phydev->supported &= supported;
630 	phydev->advertising = phydev->supported;
631 
632 	fm_eth->phydev = phydev;
633 
634 	phy_config(phydev);
635 #endif
636 
637 	return 0;
638 }
639 
640 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
641 {
642 	struct eth_device *dev;
643 	struct fm_eth *fm_eth;
644 	int i, num = info->num;
645 
646 	/* alloc eth device */
647 	dev = (struct eth_device *)malloc(sizeof(struct eth_device));
648 	if (!dev)
649 		return 0;
650 	memset(dev, 0, sizeof(struct eth_device));
651 
652 	/* alloc the FMan ethernet private struct */
653 	fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
654 	if (!fm_eth)
655 		return 0;
656 	memset(fm_eth, 0, sizeof(struct fm_eth));
657 
658 	/* save off some things we need from the info struct */
659 	fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
660 	fm_eth->num = num;
661 	fm_eth->type = info->type;
662 
663 	fm_eth->rx_port = (void *)&reg->port[info->rx_port_id - 1].fm_bmi;
664 	fm_eth->tx_port = (void *)&reg->port[info->tx_port_id - 1].fm_bmi;
665 
666 	/* set the ethernet max receive length */
667 	fm_eth->max_rx_len = MAX_RXBUF_LEN;
668 
669 	/* init global mac structure */
670 	if (!fm_eth_init_mac(fm_eth, reg))
671 		return 0;
672 
673 	/* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
674 	if (fm_eth->type == FM_ETH_1G_E)
675 		sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
676 	else
677 		sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
678 
679 	devlist[num_controllers++] = dev;
680 	dev->iobase = 0;
681 	dev->priv = (void *)fm_eth;
682 	dev->init = fm_eth_open;
683 	dev->halt = fm_eth_halt;
684 	dev->send = fm_eth_send;
685 	dev->recv = fm_eth_recv;
686 	fm_eth->dev = dev;
687 	fm_eth->bus = info->bus;
688 	fm_eth->phyaddr = info->phy_addr;
689 	fm_eth->enet_if = info->enet_if;
690 
691 	/* startup the FM im */
692 	if (!fm_eth_startup(fm_eth))
693 		return 0;
694 
695 	if (init_phy(dev))
696 		return 0;
697 
698 	/* clear the ethernet address */
699 	for (i = 0; i < 6; i++)
700 		dev->enetaddr[i] = 0;
701 	eth_register(dev);
702 
703 	return 1;
704 }
705