xref: /openbmc/u-boot/drivers/net/fm/eth.c (revision 78506c2f)
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 <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 	bool sgmii_2500 = (priv->enet_if ==
43 			PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
44 
45 	/* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
46 	value = PHY_SGMII_IF_MODE_SGMII;
47 	if (!sgmii_2500)
48 		value |= PHY_SGMII_IF_MODE_AN;
49 
50 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
51 
52 	/* Dev ability according to SGMII specification */
53 	value = PHY_SGMII_DEV_ABILITY_SGMII;
54 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x4, value);
55 
56 	/* Adjust link timer for SGMII  -
57 	1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */
58 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x13, 0x3);
59 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
60 
61 	/* Restart AN */
62 	value = PHY_SGMII_CR_DEF_VAL;
63 	if (!sgmii_2500)
64 		value |= PHY_SGMII_CR_RESET_AN;
65 	memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
66 #else
67 	struct dtsec *regs = priv->mac->base;
68 	struct tsec_mii_mng *phyregs = priv->mac->phyregs;
69 
70 	/*
71 	 * Access TBI PHY registers at given TSEC register offset as
72 	 * opposed to the register offset used for external PHY accesses
73 	 */
74 	tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_TBICON,
75 			TBICON_CLK_SELECT);
76 	tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_ANA,
77 			TBIANA_SGMII_ACK);
78 	tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0,
79 			TBI_CR, TBICR_SETTINGS);
80 #endif
81 }
82 
83 static void dtsec_init_phy(struct eth_device *dev)
84 {
85 	struct fm_eth *fm_eth = dev->priv;
86 #ifndef CONFIG_SYS_FMAN_V3
87 	struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
88 
89 	/* Assign a Physical address to the TBI */
90 	out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
91 #endif
92 
93 	if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
94 	    fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
95 		dtsec_configure_serdes(fm_eth);
96 }
97 
98 static int tgec_is_fibre(struct eth_device *dev)
99 {
100 	struct fm_eth *fm = dev->priv;
101 	char phyopt[20];
102 
103 	sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
104 
105 	return hwconfig_arg_cmp(phyopt, "xfi");
106 }
107 #endif
108 
109 static u16 muram_readw(u16 *addr)
110 {
111 	u32 base = (u32)addr & ~0x3;
112 	u32 val32 = *(u32 *)base;
113 	int byte_pos;
114 	u16 ret;
115 
116 	byte_pos = (u32)addr & 0x3;
117 	if (byte_pos)
118 		ret = (u16)(val32 & 0x0000ffff);
119 	else
120 		ret = (u16)((val32 & 0xffff0000) >> 16);
121 
122 	return ret;
123 }
124 
125 static void muram_writew(u16 *addr, u16 val)
126 {
127 	u32 base = (u32)addr & ~0x3;
128 	u32 org32 = *(u32 *)base;
129 	u32 val32;
130 	int byte_pos;
131 
132 	byte_pos = (u32)addr & 0x3;
133 	if (byte_pos)
134 		val32 = (org32 & 0xffff0000) | val;
135 	else
136 		val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
137 
138 	*(u32 *)base = val32;
139 }
140 
141 static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
142 {
143 	int timeout = 1000000;
144 
145 	clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
146 
147 	/* wait until the rx port is not busy */
148 	while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
149 		;
150 }
151 
152 static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
153 {
154 	/* set BMI to independent mode, Rx port disable */
155 	out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
156 	/* clear FOF in IM case */
157 	out_be32(&rx_port->fmbm_rim, 0);
158 	/* Rx frame next engine -RISC */
159 	out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
160 	/* Rx command attribute - no order, MR[3] = 1 */
161 	clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
162 	setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
163 	/* enable Rx statistic counters */
164 	out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
165 	/* disable Rx performance counters */
166 	out_be32(&rx_port->fmbm_rpc, 0);
167 }
168 
169 static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
170 {
171 	int timeout = 1000000;
172 
173 	clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
174 
175 	/* wait until the tx port is not busy */
176 	while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
177 		;
178 }
179 
180 static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
181 {
182 	/* set BMI to independent mode, Tx port disable */
183 	out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
184 	/* Tx frame next engine -RISC */
185 	out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
186 	out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
187 	/* Tx command attribute - no order, MR[3] = 1 */
188 	clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
189 	setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
190 	/* enable Tx statistic counters */
191 	out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
192 	/* disable Tx performance counters */
193 	out_be32(&tx_port->fmbm_tpc, 0);
194 }
195 
196 static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
197 {
198 	struct fm_port_global_pram *pram;
199 	u32 pram_page_offset;
200 	void *rx_bd_ring_base;
201 	void *rx_buf_pool;
202 	struct fm_port_bd *rxbd;
203 	struct fm_port_qd *rxqd;
204 	struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
205 	int i;
206 
207 	/* alloc global parameter ram at MURAM */
208 	pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
209 		FM_PRAM_SIZE, FM_PRAM_ALIGN);
210 	fm_eth->rx_pram = pram;
211 
212 	/* parameter page offset to MURAM */
213 	pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
214 
215 	/* enable global mode- snooping data buffers and BDs */
216 	pram->mode = PRAM_MODE_GLOBAL;
217 
218 	/* init the Rx queue descriptor pionter */
219 	pram->rxqd_ptr = pram_page_offset + 0x20;
220 
221 	/* set the max receive buffer length, power of 2 */
222 	muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
223 
224 	/* alloc Rx buffer descriptors from main memory */
225 	rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
226 			* RX_BD_RING_SIZE);
227 	if (!rx_bd_ring_base)
228 		return 0;
229 	memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
230 			* RX_BD_RING_SIZE);
231 
232 	/* alloc Rx buffer from main memory */
233 	rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
234 	if (!rx_buf_pool)
235 		return 0;
236 	memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
237 
238 	/* save them to fm_eth */
239 	fm_eth->rx_bd_ring = rx_bd_ring_base;
240 	fm_eth->cur_rxbd = rx_bd_ring_base;
241 	fm_eth->rx_buf = rx_buf_pool;
242 
243 	/* init Rx BDs ring */
244 	rxbd = (struct fm_port_bd *)rx_bd_ring_base;
245 	for (i = 0; i < RX_BD_RING_SIZE; i++) {
246 		rxbd->status = RxBD_EMPTY;
247 		rxbd->len = 0;
248 		rxbd->buf_ptr_hi = 0;
249 		rxbd->buf_ptr_lo = (u32)rx_buf_pool + i * MAX_RXBUF_LEN;
250 		rxbd++;
251 	}
252 
253 	/* set the Rx queue descriptor */
254 	rxqd = &pram->rxqd;
255 	muram_writew(&rxqd->gen, 0);
256 	muram_writew(&rxqd->bd_ring_base_hi, 0);
257 	rxqd->bd_ring_base_lo = (u32)rx_bd_ring_base;
258 	muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
259 			* RX_BD_RING_SIZE);
260 	muram_writew(&rxqd->offset_in, 0);
261 	muram_writew(&rxqd->offset_out, 0);
262 
263 	/* set IM parameter ram pointer to Rx Frame Queue ID */
264 	out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
265 
266 	return 1;
267 }
268 
269 static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
270 {
271 	struct fm_port_global_pram *pram;
272 	u32 pram_page_offset;
273 	void *tx_bd_ring_base;
274 	struct fm_port_bd *txbd;
275 	struct fm_port_qd *txqd;
276 	struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
277 	int i;
278 
279 	/* alloc global parameter ram at MURAM */
280 	pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
281 		FM_PRAM_SIZE, FM_PRAM_ALIGN);
282 	fm_eth->tx_pram = pram;
283 
284 	/* parameter page offset to MURAM */
285 	pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
286 
287 	/* enable global mode- snooping data buffers and BDs */
288 	pram->mode = PRAM_MODE_GLOBAL;
289 
290 	/* init the Tx queue descriptor pionter */
291 	pram->txqd_ptr = pram_page_offset + 0x40;
292 
293 	/* alloc Tx buffer descriptors from main memory */
294 	tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
295 			* TX_BD_RING_SIZE);
296 	if (!tx_bd_ring_base)
297 		return 0;
298 	memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
299 			* TX_BD_RING_SIZE);
300 	/* save it to fm_eth */
301 	fm_eth->tx_bd_ring = tx_bd_ring_base;
302 	fm_eth->cur_txbd = tx_bd_ring_base;
303 
304 	/* init Tx BDs ring */
305 	txbd = (struct fm_port_bd *)tx_bd_ring_base;
306 	for (i = 0; i < TX_BD_RING_SIZE; i++) {
307 		txbd->status = TxBD_LAST;
308 		txbd->len = 0;
309 		txbd->buf_ptr_hi = 0;
310 		txbd->buf_ptr_lo = 0;
311 	}
312 
313 	/* set the Tx queue decriptor */
314 	txqd = &pram->txqd;
315 	muram_writew(&txqd->bd_ring_base_hi, 0);
316 	txqd->bd_ring_base_lo = (u32)tx_bd_ring_base;
317 	muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
318 			* TX_BD_RING_SIZE);
319 	muram_writew(&txqd->offset_in, 0);
320 	muram_writew(&txqd->offset_out, 0);
321 
322 	/* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
323 	out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
324 
325 	return 1;
326 }
327 
328 static int fm_eth_init(struct fm_eth *fm_eth)
329 {
330 
331 	if (!fm_eth_rx_port_parameter_init(fm_eth))
332 		return 0;
333 
334 	if (!fm_eth_tx_port_parameter_init(fm_eth))
335 		return 0;
336 
337 	return 1;
338 }
339 
340 static int fm_eth_startup(struct fm_eth *fm_eth)
341 {
342 	struct fsl_enet_mac *mac;
343 	mac = fm_eth->mac;
344 
345 	/* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
346 	if (!fm_eth_init(fm_eth))
347 		return 0;
348 	/* setup the MAC controller */
349 	mac->init_mac(mac);
350 
351 	/* For some reason we need to set SPEED_100 */
352 	if (((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) ||
353 	     (fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) &&
354 	      mac->set_if_mode)
355 		mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
356 
357 	/* init bmi rx port, IM mode and disable */
358 	bmi_rx_port_init(fm_eth->rx_port);
359 	/* init bmi tx port, IM mode and disable */
360 	bmi_tx_port_init(fm_eth->tx_port);
361 
362 	return 1;
363 }
364 
365 static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
366 {
367 	struct fm_port_global_pram *pram;
368 
369 	pram = fm_eth->tx_pram;
370 	/* graceful stop transmission of frames */
371 	pram->mode |= PRAM_MODE_GRACEFUL_STOP;
372 	sync();
373 }
374 
375 static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
376 {
377 	struct fm_port_global_pram *pram;
378 
379 	pram = fm_eth->tx_pram;
380 	/* re-enable transmission of frames */
381 	pram->mode &= ~PRAM_MODE_GRACEFUL_STOP;
382 	sync();
383 }
384 
385 static int fm_eth_open(struct eth_device *dev, bd_t *bd)
386 {
387 	struct fm_eth *fm_eth;
388 	struct fsl_enet_mac *mac;
389 #ifdef CONFIG_PHYLIB
390 	int ret;
391 #endif
392 
393 	fm_eth = (struct fm_eth *)dev->priv;
394 	mac = fm_eth->mac;
395 
396 	/* setup the MAC address */
397 	if (dev->enetaddr[0] & 0x01) {
398 		printf("%s: MacAddress is multcast address\n",	__func__);
399 		return 1;
400 	}
401 	mac->set_mac_addr(mac, dev->enetaddr);
402 
403 	/* enable bmi Rx port */
404 	setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
405 	/* enable MAC rx/tx port */
406 	mac->enable_mac(mac);
407 	/* enable bmi Tx port */
408 	setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
409 	/* re-enable transmission of frame */
410 	fmc_tx_port_graceful_stop_disable(fm_eth);
411 
412 #ifdef CONFIG_PHYLIB
413 	if (fm_eth->phydev) {
414 		ret = phy_startup(fm_eth->phydev);
415 		if (ret) {
416 			printf("%s: Could not initialize\n",
417 			       fm_eth->phydev->dev->name);
418 			return ret;
419 		}
420 	} else {
421 		return 0;
422 	}
423 #else
424 	fm_eth->phydev->speed = SPEED_1000;
425 	fm_eth->phydev->link = 1;
426 	fm_eth->phydev->duplex = DUPLEX_FULL;
427 #endif
428 
429 	/* set the MAC-PHY mode */
430 	mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
431 
432 	if (!fm_eth->phydev->link)
433 		printf("%s: No link.\n", fm_eth->phydev->dev->name);
434 
435 	return fm_eth->phydev->link ? 0 : -1;
436 }
437 
438 static void fm_eth_halt(struct eth_device *dev)
439 {
440 	struct fm_eth *fm_eth;
441 	struct fsl_enet_mac *mac;
442 
443 	fm_eth = (struct fm_eth *)dev->priv;
444 	mac = fm_eth->mac;
445 
446 	/* graceful stop the transmission of frames */
447 	fmc_tx_port_graceful_stop_enable(fm_eth);
448 	/* disable bmi Tx port */
449 	bmi_tx_port_disable(fm_eth->tx_port);
450 	/* disable MAC rx/tx port */
451 	mac->disable_mac(mac);
452 	/* disable bmi Rx port */
453 	bmi_rx_port_disable(fm_eth->rx_port);
454 
455 	if (fm_eth->phydev)
456 		phy_shutdown(fm_eth->phydev);
457 }
458 
459 static int fm_eth_send(struct eth_device *dev, void *buf, int len)
460 {
461 	struct fm_eth *fm_eth;
462 	struct fm_port_global_pram *pram;
463 	struct fm_port_bd *txbd, *txbd_base;
464 	u16 offset_in;
465 	int i;
466 
467 	fm_eth = (struct fm_eth *)dev->priv;
468 	pram = fm_eth->tx_pram;
469 	txbd = fm_eth->cur_txbd;
470 
471 	/* find one empty TxBD */
472 	for (i = 0; txbd->status & TxBD_READY; i++) {
473 		udelay(100);
474 		if (i > 0x1000) {
475 			printf("%s: Tx buffer not ready\n", dev->name);
476 			return 0;
477 		}
478 	}
479 	/* setup TxBD */
480 	txbd->buf_ptr_hi = 0;
481 	txbd->buf_ptr_lo = (u32)buf;
482 	txbd->len = len;
483 	sync();
484 	txbd->status = TxBD_READY | TxBD_LAST;
485 	sync();
486 
487 	/* update TxQD, let RISC to send the packet */
488 	offset_in = muram_readw(&pram->txqd.offset_in);
489 	offset_in += sizeof(struct fm_port_bd);
490 	if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
491 		offset_in = 0;
492 	muram_writew(&pram->txqd.offset_in, offset_in);
493 	sync();
494 
495 	/* wait for buffer to be transmitted */
496 	for (i = 0; txbd->status & TxBD_READY; i++) {
497 		udelay(100);
498 		if (i > 0x10000) {
499 			printf("%s: Tx error\n", dev->name);
500 			return 0;
501 		}
502 	}
503 
504 	/* advance the TxBD */
505 	txbd++;
506 	txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
507 	if (txbd >= (txbd_base + TX_BD_RING_SIZE))
508 		txbd = txbd_base;
509 	/* update current txbd */
510 	fm_eth->cur_txbd = (void *)txbd;
511 
512 	return 1;
513 }
514 
515 static int fm_eth_recv(struct eth_device *dev)
516 {
517 	struct fm_eth *fm_eth;
518 	struct fm_port_global_pram *pram;
519 	struct fm_port_bd *rxbd, *rxbd_base;
520 	u16 status, len;
521 	u8 *data;
522 	u16 offset_out;
523 	int ret = 1;
524 
525 	fm_eth = (struct fm_eth *)dev->priv;
526 	pram = fm_eth->rx_pram;
527 	rxbd = fm_eth->cur_rxbd;
528 	status = rxbd->status;
529 
530 	while (!(status & RxBD_EMPTY)) {
531 		if (!(status & RxBD_ERROR)) {
532 			data = (u8 *)rxbd->buf_ptr_lo;
533 			len = rxbd->len;
534 			net_process_received_packet(data, len);
535 		} else {
536 			printf("%s: Rx error\n", dev->name);
537 			ret = 0;
538 		}
539 
540 		/* clear the RxBDs */
541 		rxbd->status = RxBD_EMPTY;
542 		rxbd->len = 0;
543 		sync();
544 
545 		/* advance RxBD */
546 		rxbd++;
547 		rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
548 		if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
549 			rxbd = rxbd_base;
550 		/* read next status */
551 		status = rxbd->status;
552 
553 		/* update RxQD */
554 		offset_out = muram_readw(&pram->rxqd.offset_out);
555 		offset_out += sizeof(struct fm_port_bd);
556 		if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
557 			offset_out = 0;
558 		muram_writew(&pram->rxqd.offset_out, offset_out);
559 		sync();
560 	}
561 	fm_eth->cur_rxbd = (void *)rxbd;
562 
563 	return ret;
564 }
565 
566 static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
567 {
568 	struct fsl_enet_mac *mac;
569 	int num;
570 	void *base, *phyregs = NULL;
571 
572 	num = fm_eth->num;
573 
574 #ifdef CONFIG_SYS_FMAN_V3
575 #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
576 	if (fm_eth->type == FM_ETH_10G_E) {
577 		/* 10GEC1/10GEC2 use mEMAC9/mEMAC10 on T2080/T4240.
578 		 * 10GEC3/10GEC4 use mEMAC1/mEMAC2 on T2080.
579 		 * 10GEC1 uses mEMAC1 on T1024.
580 		 * so it needs to change the num.
581 		 */
582 		if (fm_eth->num >= 2)
583 			num -= 2;
584 		else
585 			num += 8;
586 	}
587 #endif
588 	base = &reg->memac[num].fm_memac;
589 	phyregs = &reg->memac[num].fm_memac_mdio;
590 #else
591 	/* Get the mac registers base address */
592 	if (fm_eth->type == FM_ETH_1G_E) {
593 		base = &reg->mac_1g[num].fm_dtesc;
594 		phyregs = &reg->mac_1g[num].fm_mdio.miimcfg;
595 	} else {
596 		base = &reg->mac_10g[num].fm_10gec;
597 		phyregs = &reg->mac_10g[num].fm_10gec_mdio;
598 	}
599 #endif
600 
601 	/* alloc mac controller */
602 	mac = malloc(sizeof(struct fsl_enet_mac));
603 	if (!mac)
604 		return 0;
605 	memset(mac, 0, sizeof(struct fsl_enet_mac));
606 
607 	/* save the mac to fm_eth struct */
608 	fm_eth->mac = mac;
609 
610 #ifdef CONFIG_SYS_FMAN_V3
611 	init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
612 #else
613 	if (fm_eth->type == FM_ETH_1G_E)
614 		init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
615 	else
616 		init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
617 #endif
618 
619 	return 1;
620 }
621 
622 static int init_phy(struct eth_device *dev)
623 {
624 	struct fm_eth *fm_eth = dev->priv;
625 	struct phy_device *phydev = NULL;
626 	u32 supported;
627 
628 #ifdef CONFIG_PHYLIB
629 	if (fm_eth->type == FM_ETH_1G_E)
630 		dtsec_init_phy(dev);
631 
632 	if (fm_eth->bus) {
633 		phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
634 					fm_eth->enet_if);
635 		if (!phydev) {
636 			printf("Failed to connect\n");
637 			return -1;
638 		}
639 	} else {
640 		return 0;
641 	}
642 
643 	if (fm_eth->type == FM_ETH_1G_E) {
644 		supported = (SUPPORTED_10baseT_Half |
645 				SUPPORTED_10baseT_Full |
646 				SUPPORTED_100baseT_Half |
647 				SUPPORTED_100baseT_Full |
648 				SUPPORTED_1000baseT_Full);
649 	} else {
650 		supported = SUPPORTED_10000baseT_Full;
651 
652 		if (tgec_is_fibre(dev))
653 			phydev->port = PORT_FIBRE;
654 	}
655 
656 	phydev->supported &= supported;
657 	phydev->advertising = phydev->supported;
658 
659 	fm_eth->phydev = phydev;
660 
661 	phy_config(phydev);
662 #endif
663 
664 	return 0;
665 }
666 
667 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
668 {
669 	struct eth_device *dev;
670 	struct fm_eth *fm_eth;
671 	int i, num = info->num;
672 
673 	/* alloc eth device */
674 	dev = (struct eth_device *)malloc(sizeof(struct eth_device));
675 	if (!dev)
676 		return 0;
677 	memset(dev, 0, sizeof(struct eth_device));
678 
679 	/* alloc the FMan ethernet private struct */
680 	fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
681 	if (!fm_eth)
682 		return 0;
683 	memset(fm_eth, 0, sizeof(struct fm_eth));
684 
685 	/* save off some things we need from the info struct */
686 	fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
687 	fm_eth->num = num;
688 	fm_eth->type = info->type;
689 
690 	fm_eth->rx_port = (void *)&reg->port[info->rx_port_id - 1].fm_bmi;
691 	fm_eth->tx_port = (void *)&reg->port[info->tx_port_id - 1].fm_bmi;
692 
693 	/* set the ethernet max receive length */
694 	fm_eth->max_rx_len = MAX_RXBUF_LEN;
695 
696 	/* init global mac structure */
697 	if (!fm_eth_init_mac(fm_eth, reg))
698 		return 0;
699 
700 	/* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
701 	if (fm_eth->type == FM_ETH_1G_E)
702 		sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
703 	else
704 		sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
705 
706 	devlist[num_controllers++] = dev;
707 	dev->iobase = 0;
708 	dev->priv = (void *)fm_eth;
709 	dev->init = fm_eth_open;
710 	dev->halt = fm_eth_halt;
711 	dev->send = fm_eth_send;
712 	dev->recv = fm_eth_recv;
713 	fm_eth->dev = dev;
714 	fm_eth->bus = info->bus;
715 	fm_eth->phyaddr = info->phy_addr;
716 	fm_eth->enet_if = info->enet_if;
717 
718 	/* startup the FM im */
719 	if (!fm_eth_startup(fm_eth))
720 		return 0;
721 
722 	init_phy(dev);
723 
724 	/* clear the ethernet address */
725 	for (i = 0; i < 6; i++)
726 		dev->enetaddr[i] = 0;
727 	eth_register(dev);
728 
729 	return 1;
730 }
731