1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Texas Instruments K3 AM65 PRU Ethernet Driver
4 *
5 * Copyright (C) 2018-2024 Texas Instruments Incorporated - https://www.ti.com/
6 *
7 */
8
9#include <asm/io.h>
10#include <asm/processor.h>
11#include <clk.h>
12#include <dm/lists.h>
13#include <dm/device.h>
14#include <dma-uclass.h>
15#include <dm/of_access.h>
16#include <dm/pinctrl.h>
17#include <fs_loader.h>
18#include <miiphy.h>
19#include <net.h>
20#include <phy.h>
21#include <power-domain.h>
22#include <linux/soc/ti/ti-udma.h>
23#include <regmap.h>
24#include <remoteproc.h>
25#include <syscon.h>
26#include <soc.h>
27#include <linux/pruss_driver.h>
28#include <dm/device_compat.h>
29
30#include "icssg_prueth.h"
31#include "icss_mii_rt.h"
32
33#define ICSS_SLICE0     0
34#define ICSS_SLICE1     1
35
36#ifdef PKTSIZE_ALIGN
37#define UDMA_RX_BUF_SIZE PKTSIZE_ALIGN
38#else
39#define UDMA_RX_BUF_SIZE ALIGN(PKTSIZE, ARCH_DMA_MINALIGN)
40#endif
41
42#ifdef PKTBUFSRX
43#define UDMA_RX_DESC_NUM PKTBUFSRX
44#else
45#define UDMA_RX_DESC_NUM 4
46#endif
47
48/* Config region lies in shared RAM */
49#define ICSS_CONFIG_OFFSET_SLICE0	0
50#define ICSS_CONFIG_OFFSET_SLICE1	0x8000
51
52/* Firmware flags */
53#define ICSS_SET_RUN_FLAG_VLAN_ENABLE		BIT(0)	/* switch only */
54#define ICSS_SET_RUN_FLAG_FLOOD_UNICAST		BIT(1)	/* switch only */
55#define ICSS_SET_RUN_FLAG_PROMISC		BIT(2)	/* MAC only */
56#define ICSS_SET_RUN_FLAG_MULTICAST_PROMISC	BIT(3)	/* MAC only */
57
58/* CTRLMMR_ICSSG_RGMII_CTRL register bits */
59#define ICSSG_CTRL_RGMII_ID_MODE		BIT(24)
60
61/* Management packet type */
62#define PRUETH_PKT_TYPE_CMD		0x10
63
64/* Number of PRU Cores per Slice */
65#define ICSSG_NUM_PRU_CORES		3
66
67static int icssg_gmii_select(struct prueth_priv *priv)
68{
69	struct phy_device *phydev = priv->phydev;
70
71	if (phydev->interface != PHY_INTERFACE_MODE_MII &&
72	    phydev->interface < PHY_INTERFACE_MODE_RGMII &&
73	    phydev->interface > PHY_INTERFACE_MODE_RGMII_TXID) {
74		dev_err(priv->dev, "PHY mode unsupported %s\n",
75			phy_string_for_interface(phydev->interface));
76		return -EINVAL;
77	}
78
79	/* AM65 SR2.0 has TX Internal delay always enabled by hardware
80	 * and it is not possible to disable TX Internal delay. The below
81	 * switch case block describes how we handle different phy modes
82	 * based on hardware restriction.
83	 */
84	switch (phydev->interface) {
85	case PHY_INTERFACE_MODE_RGMII_ID:
86		phydev->interface = PHY_INTERFACE_MODE_RGMII_RXID;
87		break;
88	case PHY_INTERFACE_MODE_RGMII_TXID:
89		phydev->interface = PHY_INTERFACE_MODE_RGMII;
90		break;
91	case PHY_INTERFACE_MODE_RGMII:
92	case PHY_INTERFACE_MODE_RGMII_RXID:
93		dev_err(priv->dev, "RGMII mode without TX delay is not supported");
94		return -EINVAL;
95	default:
96		break;
97	}
98
99	return 0;
100}
101
102static int icssg_phy_init(struct udevice *dev)
103{
104	struct prueth_priv *priv = dev_get_priv(dev);
105	struct phy_device *phydev;
106	u32 supported = PHY_GBIT_FEATURES;
107	int ret;
108
109	phydev = dm_eth_phy_connect(dev);
110	if (!phydev) {
111		dev_err(dev, "phy_connect() failed\n");
112		return -ENODEV;
113	}
114
115	/* disable unsupported features */
116	supported &= ~(PHY_10BT_FEATURES |
117			SUPPORTED_100baseT_Half |
118			SUPPORTED_1000baseT_Half |
119			SUPPORTED_Pause |
120			SUPPORTED_Asym_Pause);
121
122	phydev->supported &= supported;
123	phydev->advertising = phydev->supported;
124	priv->phydev = phydev;
125
126	ret = icssg_gmii_select(priv);
127	if (ret)
128		goto out;
129
130	ret = phy_config(phydev);
131	if (ret < 0)
132		dev_err(dev, "phy_config() failed: %d", ret);
133out:
134	return ret;
135}
136
137static void icssg_config_set_speed(struct prueth_priv *priv, int speed)
138{
139	struct prueth *prueth = priv->prueth;
140	u8 fw_speed;
141
142	switch (speed) {
143	case SPEED_1000:
144		fw_speed = FW_LINK_SPEED_1G;
145		break;
146	case SPEED_100:
147		fw_speed = FW_LINK_SPEED_100M;
148		break;
149	case SPEED_10:
150		fw_speed = FW_LINK_SPEED_10M;
151		break;
152	default:
153		/* Other links speeds not supported */
154		dev_err(priv->dev, "Unsupported link speed\n");
155		return;
156	}
157
158	writeb(fw_speed, prueth->dram[priv->port_id].pa + PORT_LINK_SPEED_OFFSET);
159}
160
161static int icssg_update_link(struct prueth_priv *priv)
162{
163	struct phy_device *phy = priv->phydev;
164	struct prueth *prueth = priv->prueth;
165	bool gig_en = false, full_duplex = false;
166
167	if (phy->link) { /* link up */
168		if (phy->speed == SPEED_1000)
169			gig_en = true;
170		if (phy->duplex == DUPLEX_FULL)
171			full_duplex = true;
172		/* Set the RGMII cfg for gig en and full duplex */
173		icssg_update_rgmii_cfg(prueth->miig_rt, phy->speed, full_duplex,
174				       priv->port_id, priv);
175		/* update the Tx IPG based on 100M/1G speed */
176		icssg_config_ipg(priv, phy->speed, priv->port_id);
177
178		/* Send command to firmware to update Speed setting */
179		icssg_config_set_speed(priv, phy->speed);
180
181		/* Enable PORT FORWARDING */
182		emac_set_port_state(priv, ICSSG_EMAC_PORT_FORWARD);
183
184		printf("link up on port %d, speed %d, %s duplex\n",
185		       priv->port_id, phy->speed,
186		       (phy->duplex == DUPLEX_FULL) ? "full" : "half");
187	} else {
188		emac_set_port_state(priv, ICSSG_EMAC_PORT_DISABLE);
189		printf("link down on port %d\n", priv->port_id);
190	}
191
192	return phy->link;
193}
194
195struct icssg_firmwares {
196	char *pru;
197	char *rtu;
198	char *txpru;
199};
200
201static struct icssg_firmwares icssg_emac_firmwares[] = {
202	{
203		.pru = "/lib/firmware/ti-pruss/am65x-sr2-pru0-prueth-fw.elf",
204		.rtu = "/lib/firmware/ti-pruss/am65x-sr2-rtu0-prueth-fw.elf",
205		.txpru = "/lib/firmware/ti-pruss/am65x-sr2-txpru0-prueth-fw.elf",
206	},
207	{
208		.pru = "/lib/firmware/ti-pruss/am65x-sr2-pru1-prueth-fw.elf",
209		.rtu = "/lib/firmware/ti-pruss/am65x-sr2-rtu1-prueth-fw.elf",
210		.txpru = "/lib/firmware/ti-pruss/am65x-sr2-txpru1-prueth-fw.elf",
211	}
212};
213
214static int icssg_start_pru_cores(struct udevice *dev)
215{
216	struct prueth_priv *priv = dev_get_priv(dev);
217	struct prueth *prueth = priv->prueth;
218	struct icssg_firmwares *firmwares;
219	struct udevice *rproc_dev = NULL;
220	int ret, slice;
221	u32 phandle;
222	u8 index;
223
224	slice = priv->port_id;
225	index = slice * ICSSG_NUM_PRU_CORES;
226	firmwares = icssg_emac_firmwares;
227
228	ofnode_read_u32_index(dev_ofnode(prueth->dev), "ti,prus", index, &phandle);
229	ret = uclass_get_device_by_phandle_id(UCLASS_REMOTEPROC, phandle, &rproc_dev);
230	if (ret) {
231		dev_err(dev, "Unknown remote processor with phandle '0x%x' requested(%d)\n",
232			phandle, ret);
233		return ret;
234	}
235
236	prueth->pru_core_id = dev_seq(rproc_dev);
237	ret = rproc_set_firmware(rproc_dev, firmwares[slice].pru);
238	if (ret)
239		return ret;
240
241	ret = rproc_boot(rproc_dev);
242	if (ret) {
243		dev_err(dev, "failed to boot PRU%d: %d\n", slice, ret);
244		return -EINVAL;
245	}
246
247	ofnode_read_u32_index(dev_ofnode(prueth->dev), "ti,prus", index + 1, &phandle);
248	ret = uclass_get_device_by_phandle_id(UCLASS_REMOTEPROC, phandle, &rproc_dev);
249	if (ret) {
250		dev_err(dev, "Unknown remote processor with phandle '0x%x' requested(%d)\n",
251			phandle, ret);
252		goto halt_pru;
253	}
254
255	prueth->rtu_core_id = dev_seq(rproc_dev);
256	ret = rproc_set_firmware(rproc_dev, firmwares[slice].rtu);
257	if (ret)
258		goto halt_pru;
259
260	ret = rproc_boot(rproc_dev);
261	if (ret) {
262		dev_err(dev, "failed to boot RTU%d: %d\n", slice, ret);
263		goto halt_pru;
264	}
265
266	ofnode_read_u32_index(dev_ofnode(prueth->dev), "ti,prus", index + 2, &phandle);
267	ret = uclass_get_device_by_phandle_id(UCLASS_REMOTEPROC, phandle, &rproc_dev);
268	if (ret) {
269		dev_err(dev, "Unknown remote processor with phandle '0x%x' requested(%d)\n",
270			phandle, ret);
271		goto halt_rtu;
272	}
273
274	prueth->txpru_core_id = dev_seq(rproc_dev);
275	ret = rproc_set_firmware(rproc_dev, firmwares[slice].txpru);
276	if (ret)
277		goto halt_rtu;
278
279	ret = rproc_boot(rproc_dev);
280	if (ret) {
281		dev_err(dev, "failed to boot TXPRU%d: %d\n", slice, ret);
282		goto halt_rtu;
283	}
284
285	return 0;
286
287halt_rtu:
288	rproc_stop(prueth->rtu_core_id);
289
290halt_pru:
291	rproc_stop(prueth->pru_core_id);
292	return ret;
293}
294
295static int icssg_stop_pru_cores(struct udevice *dev)
296{
297	struct prueth_priv *priv = dev_get_priv(dev);
298	struct prueth *prueth = priv->prueth;
299
300	rproc_stop(prueth->pru_core_id);
301	rproc_stop(prueth->rtu_core_id);
302	rproc_stop(prueth->txpru_core_id);
303
304	return 0;
305}
306
307static int prueth_start(struct udevice *dev)
308{
309	struct ti_udma_drv_chan_cfg_data *dma_rx_cfg_data;
310	struct eth_pdata *pdata = dev_get_plat(dev);
311	struct prueth_priv *priv = dev_get_priv(dev);
312	struct prueth *prueth = priv->prueth;
313	struct icssg_flow_cfg *flow_cfg;
314	u8 *hwaddr = pdata->enetaddr;
315	char chn_name[16];
316	void *config;
317	int ret, i;
318
319	icssg_class_set_mac_addr(prueth->miig_rt, priv->port_id, hwaddr);
320	icssg_ft1_set_mac_addr(prueth->miig_rt, priv->port_id, hwaddr);
321	icssg_class_default(prueth->miig_rt, priv->port_id, 0);
322
323	/* Set Load time configuration */
324	icssg_config(priv);
325
326	ret = icssg_start_pru_cores(dev);
327	if (ret)
328		return ret;
329
330	/* To differentiate channels for SLICE0 vs SLICE1 */
331	snprintf(chn_name, sizeof(chn_name), "tx%d-0", priv->port_id);
332
333	ret = dma_get_by_name(prueth->dev, chn_name, &prueth->dma_tx);
334	if (ret)
335		dev_err(dev, "TX dma get failed %d\n", ret);
336
337	snprintf(chn_name, sizeof(chn_name), "rx%d", priv->port_id);
338	ret = dma_get_by_name(prueth->dev, chn_name, &prueth->dma_rx);
339	if (ret)
340		dev_err(dev, "RX dma get failed %d\n", ret);
341
342	for (i = 0; i < UDMA_RX_DESC_NUM; i++) {
343		ret = dma_prepare_rcv_buf(&prueth->dma_rx,
344					  net_rx_packets[i],
345					  UDMA_RX_BUF_SIZE);
346		if (ret)
347			dev_err(dev, "RX dma add buf failed %d\n", ret);
348	}
349
350	ret = dma_enable(&prueth->dma_tx);
351	if (ret) {
352		dev_err(dev, "TX dma_enable failed %d\n", ret);
353		goto tx_fail;
354	}
355
356	ret = dma_enable(&prueth->dma_rx);
357	if (ret) {
358		dev_err(dev, "RX dma_enable failed %d\n", ret);
359		goto rx_fail;
360	}
361
362	/* check if the rx_flow_id of dma_rx is as expected since
363	 * driver hardcode that value in config struct to firmware
364	 * in probe. Just add this sanity check to catch any change
365	 * to rx channel assignment in the future.
366	 */
367	dma_get_cfg(&prueth->dma_rx, 0, (void **)&dma_rx_cfg_data);
368	config = (void *)(prueth->dram[priv->port_id].pa + ICSSG_CONFIG_OFFSET);
369
370	flow_cfg = config + PSI_L_REGULAR_FLOW_ID_BASE_OFFSET;
371	writew(dma_rx_cfg_data->flow_id_base, &flow_cfg->rx_base_flow);
372	writew(0, &flow_cfg->mgm_base_flow);
373
374	dev_info(dev, "K3 ICSSG: rflow_id_base: %u, chn_name = %s\n",
375		 dma_rx_cfg_data->flow_id_base, chn_name);
376
377	ret = emac_fdb_flow_id_updated(priv);
378	if (ret) {
379		dev_err(dev, "Failed to update Rx Flow ID %d", ret);
380		goto phy_fail;
381	}
382
383	ret = phy_startup(priv->phydev);
384	if (ret) {
385		dev_err(dev, "phy_startup failed\n");
386		goto phy_fail;
387	}
388
389	ret = icssg_update_link(priv);
390	if (!ret) {
391		ret = -ENODEV;
392		goto phy_shut;
393	}
394
395	return 0;
396
397phy_shut:
398	phy_shutdown(priv->phydev);
399phy_fail:
400	dma_disable(&prueth->dma_rx);
401	dma_free(&prueth->dma_rx);
402rx_fail:
403	dma_disable(&prueth->dma_tx);
404	dma_free(&prueth->dma_tx);
405
406tx_fail:
407	icssg_class_disable(prueth->miig_rt, priv->port_id);
408
409	return ret;
410}
411
412static int prueth_send(struct udevice *dev, void *packet, int length)
413{
414	struct prueth_priv *priv = dev_get_priv(dev);
415	struct prueth *prueth = priv->prueth;
416	int ret;
417
418	ret = dma_send(&prueth->dma_tx, packet, length, NULL);
419
420	return ret;
421}
422
423static int prueth_recv(struct udevice *dev, int flags, uchar **packetp)
424{
425	struct prueth_priv *priv = dev_get_priv(dev);
426	struct prueth *prueth = priv->prueth;
427	int ret;
428
429	/* try to receive a new packet */
430	ret = dma_receive(&prueth->dma_rx, (void **)packetp, NULL);
431
432	return ret;
433}
434
435static int prueth_free_pkt(struct udevice *dev, uchar *packet, int length)
436{
437	struct prueth_priv *priv = dev_get_priv(dev);
438	struct prueth *prueth = priv->prueth;
439	int ret = 0;
440
441	if (length > 0) {
442		u32 pkt = prueth->rx_next % UDMA_RX_DESC_NUM;
443
444		dev_dbg(dev, "%s length:%d pkt:%u\n", __func__, length, pkt);
445
446		ret = dma_prepare_rcv_buf(&prueth->dma_rx,
447					  net_rx_packets[pkt],
448					  UDMA_RX_BUF_SIZE);
449		prueth->rx_next++;
450	}
451
452	return ret;
453}
454
455static void prueth_stop(struct udevice *dev)
456{
457	struct prueth_priv *priv = dev_get_priv(dev);
458	struct prueth *prueth = priv->prueth;
459
460	phy_shutdown(priv->phydev);
461
462	dma_disable(&prueth->dma_tx);
463	dma_disable(&prueth->dma_rx);
464
465	icssg_stop_pru_cores(dev);
466
467	dma_free(&prueth->dma_tx);
468	dma_free(&prueth->dma_rx);
469}
470
471static const struct eth_ops prueth_ops = {
472	.start		= prueth_start,
473	.send		= prueth_send,
474	.recv		= prueth_recv,
475	.free_pkt	= prueth_free_pkt,
476	.stop		= prueth_stop,
477};
478
479static int icssg_ofdata_parse_phy(struct udevice *dev)
480{
481	struct prueth_priv *priv = dev_get_priv(dev);
482
483	dev_read_u32(dev, "reg", &priv->port_id);
484	priv->phy_interface = dev_read_phy_mode(dev);
485	if (priv->phy_interface == PHY_INTERFACE_MODE_NA) {
486		dev_err(dev, "Invalid PHY mode '%s', port %u\n",
487			phy_string_for_interface(priv->phy_interface),
488			priv->port_id);
489		return -EINVAL;
490	}
491
492	return 0;
493}
494
495static int prueth_port_probe(struct udevice *dev)
496{
497	struct prueth_priv *priv = dev_get_priv(dev);
498	struct prueth *prueth;
499	char portname[15];
500	int ret;
501
502	priv->dev = dev;
503	prueth = dev_get_priv(dev->parent);
504	priv->prueth = prueth;
505
506	sprintf(portname, "%s-%s", dev->parent->name, dev->name);
507
508	device_set_name(dev, portname);
509
510	ret = icssg_ofdata_parse_phy(dev);
511	if (ret)
512		goto out;
513
514	ret = icssg_phy_init(dev);
515	if (ret)
516		goto out;
517
518	ret = pruss_request_mem_region(prueth->pruss,
519				       priv->port_id ? PRUSS_MEM_DRAM1 : PRUSS_MEM_DRAM0,
520				       &prueth->dram[priv->port_id]);
521	if (ret) {
522		dev_err(dev, "could not request DRAM%d region\n", priv->port_id);
523		return ret;
524	}
525out:
526	return ret;
527}
528
529static int prueth_probe(struct udevice *dev)
530{
531	ofnode node, pruss_node, mdio_node, sram_node, curr_sram_node;
532	struct prueth *prueth = dev_get_priv(dev);
533	u32 phandle, err, sp, prev_end_addr;
534	struct udevice **prussdev = NULL;
535	ofnode eth_ports_node, eth_node;
536	struct udevice *port_dev;
537	int ret = 0;
538
539	prueth->dev = dev;
540
541	err = ofnode_read_u32(dev_ofnode(dev), "ti,prus", &phandle);
542	if (err)
543		return err;
544
545	node = ofnode_get_by_phandle(phandle);
546	if (!ofnode_valid(node))
547		return -EINVAL;
548
549	pruss_node = ofnode_get_parent(node);
550	ret = device_get_global_by_ofnode(pruss_node, prussdev);
551	if (ret)
552		dev_err(dev, "error getting the pruss dev\n");
553	prueth->pruss = *prussdev;
554
555	ret = pruss_request_mem_region(*prussdev, PRUSS_MEM_SHRD_RAM2,
556				       &prueth->shram);
557	if (ret)
558		return ret;
559
560	ret = pruss_request_tm_region(*prussdev, &prueth->tmaddr);
561	if (ret)
562		return ret;
563
564	prueth->miig_rt = syscon_regmap_lookup_by_phandle(dev, "ti,mii-g-rt");
565	if (!prueth->miig_rt) {
566		dev_err(dev, "couldn't get mii-g-rt syscon regmap\n");
567		return -ENODEV;
568	}
569
570	prueth->mii_rt = syscon_regmap_lookup_by_phandle(dev, "ti,mii-rt");
571	if (!prueth->mii_rt) {
572		dev_err(dev, "couldn't get mii-rt syscon regmap\n");
573		return -ENODEV;
574	}
575
576	ret = ofnode_read_u32(dev_ofnode(dev), "sram", &sp);
577	if (ret) {
578		dev_err(dev, "sram node fetch failed %d\n", ret);
579		return ret;
580	}
581
582	sram_node = ofnode_get_by_phandle(sp);
583	if (!ofnode_valid(sram_node))
584		return -EINVAL;
585
586	prev_end_addr = ofnode_get_addr(sram_node);
587
588	ofnode_for_each_subnode(curr_sram_node, sram_node) {
589		u32 start_addr, size, end_addr, avail;
590		const char *name;
591
592		name = ofnode_get_name(curr_sram_node);
593		start_addr = ofnode_get_addr(curr_sram_node);
594		size = ofnode_get_size(curr_sram_node);
595		end_addr = start_addr + size;
596		avail = start_addr - prev_end_addr;
597
598		if (avail > MSMC_RAM_SIZE)
599			break;
600
601		prev_end_addr = end_addr;
602	}
603
604	prueth->sram_pa = prev_end_addr;
605	if (prueth->sram_pa % SZ_64K != 0) {
606		/* This is constraint for SR2.0 firmware */
607		dev_err(dev, "sram address needs to be 64KB aligned\n");
608		return -EINVAL;
609	}
610	dev_dbg(dev, "sram: addr %x size %x\n", prueth->sram_pa, MSMC_RAM_SIZE);
611
612	mdio_node = ofnode_find_subnode(pruss_node, "mdio");
613	prueth->mdio_base = ofnode_get_addr(mdio_node);
614	ofnode_read_u32(mdio_node, "bus_freq", &prueth->mdio_freq);
615
616	ret = clk_get_by_name_nodev(mdio_node, "fck", &prueth->mdiofck);
617	if (ret) {
618		dev_err(dev, "failed to get clock %d\n", ret);
619		return ret;
620	}
621
622	ret = clk_enable(&prueth->mdiofck);
623	if (ret) {
624		dev_err(dev, "clk_enable failed %d\n", ret);
625		return ret;
626	}
627
628	eth_ports_node = dev_read_subnode(dev, "ethernet-ports");
629	if (!ofnode_valid(eth_ports_node))
630		return -ENOENT;
631
632	ofnode_for_each_subnode(eth_node, eth_ports_node) {
633		const char *node_name;
634		u32 port_id;
635		bool disabled;
636
637		node_name = ofnode_get_name(eth_node);
638		disabled = !ofnode_is_enabled(eth_node);
639		ret = ofnode_read_u32(eth_node, "reg", &port_id);
640		if (ret)
641			dev_err(dev, "%s: error reading port_id (%d)\n", node_name, ret);
642
643		if (port_id >= PRUETH_NUM_MACS) {
644			dev_err(dev, "%s: invalid port_id (%d)\n", node_name, port_id);
645			return -EINVAL;
646		}
647
648		if (port_id < 0)
649			continue;
650		if (disabled)
651			continue;
652
653		ret = device_bind_driver_to_node(dev, "prueth_port",
654						 ofnode_get_name(eth_node),
655						 eth_node, &port_dev);
656		if (ret) {
657			dev_err(dev, "Failed to bind to %s node\n", ofnode_get_name(eth_node));
658			goto out;
659		}
660	}
661
662	return 0;
663out:
664	clk_disable(&prueth->mdiofck);
665
666	return ret;
667}
668
669static const struct udevice_id prueth_ids[] = {
670	{ .compatible = "ti,am654-icssg-prueth" },
671	{ .compatible = "ti,am642-icssg-prueth" },
672	{ }
673};
674
675U_BOOT_DRIVER(prueth) = {
676	.name	= "prueth",
677	.id	= UCLASS_MISC,
678	.of_match = prueth_ids,
679	.probe	= prueth_probe,
680	.priv_auto = sizeof(struct prueth),
681};
682
683U_BOOT_DRIVER(prueth_port) = {
684	.name	= "prueth_port",
685	.id	= UCLASS_ETH,
686	.probe	= prueth_port_probe,
687	.ops	= &prueth_ops,
688	.priv_auto = sizeof(struct prueth_priv),
689	.plat_auto = sizeof(struct eth_pdata),
690	.flags = DM_FLAG_ALLOC_PRIV_DMA,
691};
692