xref: /openbmc/u-boot/drivers/net/fm/eth.c (revision 03efcb05)
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) && mac->set_if_mode)
345 		mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
346 
347 	/* init bmi rx port, IM mode and disable */
348 	bmi_rx_port_init(fm_eth->rx_port);
349 	/* init bmi tx port, IM mode and disable */
350 	bmi_tx_port_init(fm_eth->tx_port);
351 
352 	return 1;
353 }
354 
355 static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
356 {
357 	struct fm_port_global_pram *pram;
358 
359 	pram = fm_eth->tx_pram;
360 	/* graceful stop transmission of frames */
361 	pram->mode |= PRAM_MODE_GRACEFUL_STOP;
362 	sync();
363 }
364 
365 static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
366 {
367 	struct fm_port_global_pram *pram;
368 
369 	pram = fm_eth->tx_pram;
370 	/* re-enable transmission of frames */
371 	pram->mode &= ~PRAM_MODE_GRACEFUL_STOP;
372 	sync();
373 }
374 
375 static int fm_eth_open(struct eth_device *dev, bd_t *bd)
376 {
377 	struct fm_eth *fm_eth;
378 	struct fsl_enet_mac *mac;
379 #ifdef CONFIG_PHYLIB
380 	int ret;
381 #endif
382 
383 	fm_eth = (struct fm_eth *)dev->priv;
384 	mac = fm_eth->mac;
385 
386 	/* setup the MAC address */
387 	if (dev->enetaddr[0] & 0x01) {
388 		printf("%s: MacAddress is multcast address\n",	__func__);
389 		return 1;
390 	}
391 	mac->set_mac_addr(mac, dev->enetaddr);
392 
393 	/* enable bmi Rx port */
394 	setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
395 	/* enable MAC rx/tx port */
396 	mac->enable_mac(mac);
397 	/* enable bmi Tx port */
398 	setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
399 	/* re-enable transmission of frame */
400 	fmc_tx_port_graceful_stop_disable(fm_eth);
401 
402 #ifdef CONFIG_PHYLIB
403 	ret = phy_startup(fm_eth->phydev);
404 	if (ret) {
405 		printf("%s: Could not initialize\n", fm_eth->phydev->dev->name);
406 		return ret;
407 	}
408 #else
409 	fm_eth->phydev->speed = SPEED_1000;
410 	fm_eth->phydev->link = 1;
411 	fm_eth->phydev->duplex = DUPLEX_FULL;
412 #endif
413 
414 	/* set the MAC-PHY mode */
415 	mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
416 
417 	if (!fm_eth->phydev->link)
418 		printf("%s: No link.\n", fm_eth->phydev->dev->name);
419 
420 	return fm_eth->phydev->link ? 0 : -1;
421 }
422 
423 static void fm_eth_halt(struct eth_device *dev)
424 {
425 	struct fm_eth *fm_eth;
426 	struct fsl_enet_mac *mac;
427 
428 	fm_eth = (struct fm_eth *)dev->priv;
429 	mac = fm_eth->mac;
430 
431 	/* graceful stop the transmission of frames */
432 	fmc_tx_port_graceful_stop_enable(fm_eth);
433 	/* disable bmi Tx port */
434 	bmi_tx_port_disable(fm_eth->tx_port);
435 	/* disable MAC rx/tx port */
436 	mac->disable_mac(mac);
437 	/* disable bmi Rx port */
438 	bmi_rx_port_disable(fm_eth->rx_port);
439 
440 	phy_shutdown(fm_eth->phydev);
441 }
442 
443 static int fm_eth_send(struct eth_device *dev, void *buf, int len)
444 {
445 	struct fm_eth *fm_eth;
446 	struct fm_port_global_pram *pram;
447 	struct fm_port_bd *txbd, *txbd_base;
448 	u16 offset_in;
449 	int i;
450 
451 	fm_eth = (struct fm_eth *)dev->priv;
452 	pram = fm_eth->tx_pram;
453 	txbd = fm_eth->cur_txbd;
454 
455 	/* find one empty TxBD */
456 	for (i = 0; txbd->status & TxBD_READY; i++) {
457 		udelay(100);
458 		if (i > 0x1000) {
459 			printf("%s: Tx buffer not ready\n", dev->name);
460 			return 0;
461 		}
462 	}
463 	/* setup TxBD */
464 	txbd->buf_ptr_hi = 0;
465 	txbd->buf_ptr_lo = (u32)buf;
466 	txbd->len = len;
467 	sync();
468 	txbd->status = TxBD_READY | TxBD_LAST;
469 	sync();
470 
471 	/* update TxQD, let RISC to send the packet */
472 	offset_in = muram_readw(&pram->txqd.offset_in);
473 	offset_in += sizeof(struct fm_port_bd);
474 	if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
475 		offset_in = 0;
476 	muram_writew(&pram->txqd.offset_in, offset_in);
477 	sync();
478 
479 	/* wait for buffer to be transmitted */
480 	for (i = 0; txbd->status & TxBD_READY; i++) {
481 		udelay(100);
482 		if (i > 0x10000) {
483 			printf("%s: Tx error\n", dev->name);
484 			return 0;
485 		}
486 	}
487 
488 	/* advance the TxBD */
489 	txbd++;
490 	txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
491 	if (txbd >= (txbd_base + TX_BD_RING_SIZE))
492 		txbd = txbd_base;
493 	/* update current txbd */
494 	fm_eth->cur_txbd = (void *)txbd;
495 
496 	return 1;
497 }
498 
499 static int fm_eth_recv(struct eth_device *dev)
500 {
501 	struct fm_eth *fm_eth;
502 	struct fm_port_global_pram *pram;
503 	struct fm_port_bd *rxbd, *rxbd_base;
504 	u16 status, len;
505 	u8 *data;
506 	u16 offset_out;
507 
508 	fm_eth = (struct fm_eth *)dev->priv;
509 	pram = fm_eth->rx_pram;
510 	rxbd = fm_eth->cur_rxbd;
511 	status = rxbd->status;
512 
513 	while (!(status & RxBD_EMPTY)) {
514 		if (!(status & RxBD_ERROR)) {
515 			data = (u8 *)rxbd->buf_ptr_lo;
516 			len = rxbd->len;
517 			NetReceive(data, len);
518 		} else {
519 			printf("%s: Rx error\n", dev->name);
520 			return 0;
521 		}
522 
523 		/* clear the RxBDs */
524 		rxbd->status = RxBD_EMPTY;
525 		rxbd->len = 0;
526 		sync();
527 
528 		/* advance RxBD */
529 		rxbd++;
530 		rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
531 		if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
532 			rxbd = rxbd_base;
533 		/* read next status */
534 		status = rxbd->status;
535 
536 		/* update RxQD */
537 		offset_out = muram_readw(&pram->rxqd.offset_out);
538 		offset_out += sizeof(struct fm_port_bd);
539 		if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
540 			offset_out = 0;
541 		muram_writew(&pram->rxqd.offset_out, offset_out);
542 		sync();
543 	}
544 	fm_eth->cur_rxbd = (void *)rxbd;
545 
546 	return 1;
547 }
548 
549 static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
550 {
551 	struct fsl_enet_mac *mac;
552 	int num;
553 	void *base, *phyregs = NULL;
554 
555 	num = fm_eth->num;
556 
557 #ifdef CONFIG_SYS_FMAN_V3
558 	if (fm_eth->type == FM_ETH_10G_E)
559 		num += 8;
560 	base = &reg->memac[num].fm_memac;
561 	phyregs = &reg->memac[num].fm_memac_mdio;
562 #else
563 	/* Get the mac registers base address */
564 	if (fm_eth->type == FM_ETH_1G_E) {
565 		base = &reg->mac_1g[num].fm_dtesc;
566 		phyregs = &reg->mac_1g[num].fm_mdio.miimcfg;
567 	} else {
568 		base = &reg->mac_10g[num].fm_10gec;
569 		phyregs = &reg->mac_10g[num].fm_10gec_mdio;
570 	}
571 #endif
572 
573 	/* alloc mac controller */
574 	mac = malloc(sizeof(struct fsl_enet_mac));
575 	if (!mac)
576 		return 0;
577 	memset(mac, 0, sizeof(struct fsl_enet_mac));
578 
579 	/* save the mac to fm_eth struct */
580 	fm_eth->mac = mac;
581 
582 #ifdef CONFIG_SYS_FMAN_V3
583 	init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
584 #else
585 	if (fm_eth->type == FM_ETH_1G_E)
586 		init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
587 	else
588 		init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
589 #endif
590 
591 	return 1;
592 }
593 
594 static int init_phy(struct eth_device *dev)
595 {
596 	struct fm_eth *fm_eth = dev->priv;
597 	struct phy_device *phydev = NULL;
598 	u32 supported;
599 
600 #ifdef CONFIG_PHYLIB
601 	if (fm_eth->type == FM_ETH_1G_E)
602 		dtsec_init_phy(dev);
603 
604 	if (fm_eth->bus) {
605 		phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
606 					fm_eth->enet_if);
607 	}
608 
609 	if (!phydev) {
610 		printf("Failed to connect\n");
611 		return -1;
612 	}
613 
614 	if (fm_eth->type == FM_ETH_1G_E) {
615 		supported = (SUPPORTED_10baseT_Half |
616 				SUPPORTED_10baseT_Full |
617 				SUPPORTED_100baseT_Half |
618 				SUPPORTED_100baseT_Full |
619 				SUPPORTED_1000baseT_Full);
620 	} else {
621 		supported = SUPPORTED_10000baseT_Full;
622 
623 		if (tgec_is_fibre(dev))
624 			phydev->port = PORT_FIBRE;
625 	}
626 
627 	phydev->supported &= supported;
628 	phydev->advertising = phydev->supported;
629 
630 	fm_eth->phydev = phydev;
631 
632 	phy_config(phydev);
633 #endif
634 
635 	return 0;
636 }
637 
638 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
639 {
640 	struct eth_device *dev;
641 	struct fm_eth *fm_eth;
642 	int i, num = info->num;
643 
644 	/* alloc eth device */
645 	dev = (struct eth_device *)malloc(sizeof(struct eth_device));
646 	if (!dev)
647 		return 0;
648 	memset(dev, 0, sizeof(struct eth_device));
649 
650 	/* alloc the FMan ethernet private struct */
651 	fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
652 	if (!fm_eth)
653 		return 0;
654 	memset(fm_eth, 0, sizeof(struct fm_eth));
655 
656 	/* save off some things we need from the info struct */
657 	fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
658 	fm_eth->num = num;
659 	fm_eth->type = info->type;
660 
661 	fm_eth->rx_port = (void *)&reg->port[info->rx_port_id - 1].fm_bmi;
662 	fm_eth->tx_port = (void *)&reg->port[info->tx_port_id - 1].fm_bmi;
663 
664 	/* set the ethernet max receive length */
665 	fm_eth->max_rx_len = MAX_RXBUF_LEN;
666 
667 	/* init global mac structure */
668 	if (!fm_eth_init_mac(fm_eth, reg))
669 		return 0;
670 
671 	/* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
672 	if (fm_eth->type == FM_ETH_1G_E)
673 		sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
674 	else
675 		sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
676 
677 	devlist[num_controllers++] = dev;
678 	dev->iobase = 0;
679 	dev->priv = (void *)fm_eth;
680 	dev->init = fm_eth_open;
681 	dev->halt = fm_eth_halt;
682 	dev->send = fm_eth_send;
683 	dev->recv = fm_eth_recv;
684 	fm_eth->dev = dev;
685 	fm_eth->bus = info->bus;
686 	fm_eth->phyaddr = info->phy_addr;
687 	fm_eth->enet_if = info->enet_if;
688 
689 	/* startup the FM im */
690 	if (!fm_eth_startup(fm_eth))
691 		return 0;
692 
693 	if (init_phy(dev))
694 		return 0;
695 
696 	/* clear the ethernet address */
697 	for (i = 0; i < 6; i++)
698 		dev->enetaddr[i] = 0;
699 	eth_register(dev);
700 
701 	return 1;
702 }
703