summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
blob: 60283543ffc8882cc2be257ac8eec8b3d3a9337a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020, Intel Corporation
 */

#include <linux/clk-provider.h>
#include <linux/pci.h>
#include <linux/dmi.h>
#include "dwmac-intel.h"
#include "dwmac4.h"
#include "stmmac.h"
#include "stmmac_ptp.h"

struct intel_priv_data {
	int mdio_adhoc_addr;	/* mdio address for serdes & etc */
	unsigned long crossts_adj;
	bool is_pse;
};

/* This struct is used to associate PCI Function of MAC controller on a board,
 * discovered via DMI, with the address of PHY connected to the MAC. The
 * negative value of the address means that MAC controller is not connected
 * with PHY.
 */
struct stmmac_pci_func_data {
	unsigned int func;
	int phy_addr;
};

struct stmmac_pci_dmi_data {
	const struct stmmac_pci_func_data *func;
	size_t nfuncs;
};

struct stmmac_pci_info {
	int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
};

static int stmmac_pci_find_phy_addr(struct pci_dev *pdev,
				    const struct dmi_system_id *dmi_list)
{
	const struct stmmac_pci_func_data *func_data;
	const struct stmmac_pci_dmi_data *dmi_data;
	const struct dmi_system_id *dmi_id;
	int func = PCI_FUNC(pdev->devfn);
	size_t n;

	dmi_id = dmi_first_match(dmi_list);
	if (!dmi_id)
		return -ENODEV;

	dmi_data = dmi_id->driver_data;
	func_data = dmi_data->func;

	for (n = 0; n < dmi_data->nfuncs; n++, func_data++)
		if (func_data->func == func)
			return func_data->phy_addr;

	return -ENODEV;
}

static int serdes_status_poll(struct stmmac_priv *priv, int phyaddr,
			      int phyreg, u32 mask, u32 val)
{
	unsigned int retries = 10;
	int val_rd;

	do {
		val_rd = mdiobus_read(priv->mii, phyaddr, phyreg);
		if ((val_rd & mask) == (val & mask))
			return 0;
		udelay(POLL_DELAY_US);
	} while (--retries);

	return -ETIMEDOUT;
}

static int intel_serdes_powerup(struct net_device *ndev, void *priv_data)
{
	struct intel_priv_data *intel_priv = priv_data;
	struct stmmac_priv *priv = netdev_priv(ndev);
	int serdes_phy_addr = 0;
	u32 data = 0;

	if (!intel_priv->mdio_adhoc_addr)
		return 0;

	serdes_phy_addr = intel_priv->mdio_adhoc_addr;

	/* Set the serdes rate and the PCLK rate */
	data = mdiobus_read(priv->mii, serdes_phy_addr,
			    SERDES_GCR0);

	data &= ~SERDES_RATE_MASK;
	data &= ~SERDES_PCLK_MASK;

	if (priv->plat->max_speed == 2500)
		data |= SERDES_RATE_PCIE_GEN2 << SERDES_RATE_PCIE_SHIFT |
			SERDES_PCLK_37p5MHZ << SERDES_PCLK_SHIFT;
	else
		data |= SERDES_RATE_PCIE_GEN1 << SERDES_RATE_PCIE_SHIFT |
			SERDES_PCLK_70MHZ << SERDES_PCLK_SHIFT;

	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* assert clk_req */
	data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
	data |= SERDES_PLL_CLK;
	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* check for clk_ack assertion */
	data = serdes_status_poll(priv, serdes_phy_addr,
				  SERDES_GSR0,
				  SERDES_PLL_CLK,
				  SERDES_PLL_CLK);

	if (data) {
		dev_err(priv->device, "Serdes PLL clk request timeout\n");
		return data;
	}

	/* assert lane reset */
	data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
	data |= SERDES_RST;
	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* check for assert lane reset reflection */
	data = serdes_status_poll(priv, serdes_phy_addr,
				  SERDES_GSR0,
				  SERDES_RST,
				  SERDES_RST);

	if (data) {
		dev_err(priv->device, "Serdes assert lane reset timeout\n");
		return data;
	}

	/*  move power state to P0 */
	data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);

	data &= ~SERDES_PWR_ST_MASK;
	data |= SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT;

	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* Check for P0 state */
	data = serdes_status_poll(priv, serdes_phy_addr,
				  SERDES_GSR0,
				  SERDES_PWR_ST_MASK,
				  SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT);

	if (data) {
		dev_err(priv->device, "Serdes power state P0 timeout.\n");
		return data;
	}

	/* PSE only - ungate SGMII PHY Rx Clock */
	if (intel_priv->is_pse)
		mdiobus_modify(priv->mii, serdes_phy_addr, SERDES_GCR0,
			       0, SERDES_PHY_RX_CLK);

	return 0;
}

static void intel_serdes_powerdown(struct net_device *ndev, void *intel_data)
{
	struct intel_priv_data *intel_priv = intel_data;
	struct stmmac_priv *priv = netdev_priv(ndev);
	int serdes_phy_addr = 0;
	u32 data = 0;

	if (!intel_priv->mdio_adhoc_addr)
		return;

	serdes_phy_addr = intel_priv->mdio_adhoc_addr;

	/* PSE only - gate SGMII PHY Rx Clock */
	if (intel_priv->is_pse)
		mdiobus_modify(priv->mii, serdes_phy_addr, SERDES_GCR0,
			       SERDES_PHY_RX_CLK, 0);

	/*  move power state to P3 */
	data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);

	data &= ~SERDES_PWR_ST_MASK;
	data |= SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT;

	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* Check for P3 state */
	data = serdes_status_poll(priv, serdes_phy_addr,
				  SERDES_GSR0,
				  SERDES_PWR_ST_MASK,
				  SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT);

	if (data) {
		dev_err(priv->device, "Serdes power state P3 timeout\n");
		return;
	}

	/* de-assert clk_req */
	data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
	data &= ~SERDES_PLL_CLK;
	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* check for clk_ack de-assert */
	data = serdes_status_poll(priv, serdes_phy_addr,
				  SERDES_GSR0,
				  SERDES_PLL_CLK,
				  (u32)~SERDES_PLL_CLK);

	if (data) {
		dev_err(priv->device, "Serdes PLL clk de-assert timeout\n");
		return;
	}

	/* de-assert lane reset */
	data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
	data &= ~SERDES_RST;
	mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);

	/* check for de-assert lane reset reflection */
	data = serdes_status_poll(priv, serdes_phy_addr,
				  SERDES_GSR0,
				  SERDES_RST,
				  (u32)~SERDES_RST);

	if (data) {
		dev_err(priv->device, "Serdes de-assert lane reset timeout\n");
		return;
	}
}

static void intel_speed_mode_2500(struct net_device *ndev, void *intel_data)
{
	struct intel_priv_data *intel_priv = intel_data;
	struct stmmac_priv *priv = netdev_priv(ndev);
	int serdes_phy_addr = 0;
	u32 data = 0;

	serdes_phy_addr = intel_priv->mdio_adhoc_addr;

	/* Determine the link speed mode: 2.5Gbps/1Gbps */
	data = mdiobus_read(priv->mii, serdes_phy_addr,
			    SERDES_GCR);

	if (((data & SERDES_LINK_MODE_MASK) >> SERDES_LINK_MODE_SHIFT) ==
	    SERDES_LINK_MODE_2G5) {
		dev_info(priv->device, "Link Speed Mode: 2.5Gbps\n");
		priv->plat->max_speed = 2500;
		priv->plat->phy_interface = PHY_INTERFACE_MODE_2500BASEX;
		priv->plat->mdio_bus_data->xpcs_an_inband = false;
	} else {
		priv->plat->max_speed = 1000;
	}
}

/* Program PTP Clock Frequency for different variant of
 * Intel mGBE that has slightly different GPO mapping
 */
static void intel_mgbe_ptp_clk_freq_config(struct stmmac_priv *priv)
{
	struct intel_priv_data *intel_priv;
	u32 gpio_value;

	intel_priv = (struct intel_priv_data *)priv->plat->bsp_priv;

	gpio_value = readl(priv->ioaddr + GMAC_GPIO_STATUS);

	if (intel_priv->is_pse) {
		/* For PSE GbE, use 200MHz */
		gpio_value &= ~PSE_PTP_CLK_FREQ_MASK;
		gpio_value |= PSE_PTP_CLK_FREQ_200MHZ;
	} else {
		/* For PCH GbE, use 200MHz */
		gpio_value &= ~PCH_PTP_CLK_FREQ_MASK;
		gpio_value |= PCH_PTP_CLK_FREQ_200MHZ;
	}

	writel(gpio_value, priv->ioaddr + GMAC_GPIO_STATUS);
}

static void get_arttime(struct mii_bus *mii, int intel_adhoc_addr,
			u64 *art_time)
{
	u64 ns;

	ns = mdiobus_read(mii, intel_adhoc_addr, PMC_ART_VALUE3);
	ns <<= GMAC4_ART_TIME_SHIFT;
	ns |= mdiobus_read(mii, intel_adhoc_addr, PMC_ART_VALUE2);
	ns <<= GMAC4_ART_TIME_SHIFT;
	ns |= mdiobus_read(mii, intel_adhoc_addr, PMC_ART_VALUE1);
	ns <<= GMAC4_ART_TIME_SHIFT;
	ns |= mdiobus_read(mii, intel_adhoc_addr, PMC_ART_VALUE0);

	*art_time = ns;
}

static int stmmac_cross_ts_isr(struct stmmac_priv *priv)
{
	return (readl(priv->ioaddr + GMAC_INT_STATUS) & GMAC_INT_TSIE);
}

static int intel_crosststamp(ktime_t *device,
			     struct system_counterval_t *system,
			     void *ctx)
{
	struct intel_priv_data *intel_priv;

	struct stmmac_priv *priv = (struct stmmac_priv *)ctx;
	void __iomem *ptpaddr = priv->ptpaddr;
	void __iomem *ioaddr = priv->hw->pcsr;
	unsigned long flags;
	u64 art_time = 0;
	u64 ptp_time = 0;
	u32 num_snapshot;
	u32 gpio_value;
	u32 acr_value;
	int i;

	if (!boot_cpu_has(X86_FEATURE_ART))
		return -EOPNOTSUPP;

	intel_priv = priv->plat->bsp_priv;

	/* Both internal crosstimestamping and external triggered event
	 * timestamping cannot be run concurrently.
	 */
	if (priv->plat->flags & STMMAC_FLAG_EXT_SNAPSHOT_EN)
		return -EBUSY;

	priv->plat->flags |= STMMAC_FLAG_INT_SNAPSHOT_EN;

	mutex_lock(&priv->aux_ts_lock);
	/* Enable Internal snapshot trigger */
	acr_value = readl(ptpaddr + PTP_ACR);
	acr_value &= ~PTP_ACR_MASK;
	switch (priv->plat->int_snapshot_num) {
	case AUX_SNAPSHOT0:
		acr_value |= PTP_ACR_ATSEN0;
		break;
	case AUX_SNAPSHOT1:
		acr_value |= PTP_ACR_ATSEN1;
		break;
	case AUX_SNAPSHOT2:
		acr_value |= PTP_ACR_ATSEN2;
		break;
	case AUX_SNAPSHOT3:
		acr_value |= PTP_ACR_ATSEN3;
		break;
	default:
		mutex_unlock(&priv->aux_ts_lock);
		priv->plat->flags &= ~STMMAC_FLAG_INT_SNAPSHOT_EN;
		return -EINVAL;
	}
	writel(acr_value, ptpaddr + PTP_ACR);

	/* Clear FIFO */
	acr_value = readl(ptpaddr + PTP_ACR);
	acr_value |= PTP_ACR_ATSFC;
	writel(acr_value, ptpaddr + PTP_ACR);
	/* Release the mutex */
	mutex_unlock(&priv->aux_ts_lock);

	/* Trigger Internal snapshot signal
	 * Create a rising edge by just toggle the GPO1 to low
	 * and back to high.
	 */
	gpio_value = readl(ioaddr + GMAC_GPIO_STATUS);
	gpio_value &= ~GMAC_GPO1;
	writel(gpio_value, ioaddr + GMAC_GPIO_STATUS);
	gpio_value |= GMAC_GPO1;
	writel(gpio_value, ioaddr + GMAC_GPIO_STATUS);

	/* Time sync done Indication - Interrupt method */
	if (!wait_event_interruptible_timeout(priv->tstamp_busy_wait,
					      stmmac_cross_ts_isr(priv),
					      HZ / 100)) {
		priv->plat->flags &= ~STMMAC_FLAG_INT_SNAPSHOT_EN;
		return -ETIMEDOUT;
	}

	num_snapshot = (readl(ioaddr + GMAC_TIMESTAMP_STATUS) &
			GMAC_TIMESTAMP_ATSNS_MASK) >>
			GMAC_TIMESTAMP_ATSNS_SHIFT;

	/* Repeat until the timestamps are from the FIFO last segment */
	for (i = 0; i < num_snapshot; i++) {
		read_lock_irqsave(&priv->ptp_lock, flags);
		stmmac_get_ptptime(priv, ptpaddr, &ptp_time);
		*device = ns_to_ktime(ptp_time);
		read_unlock_irqrestore(&priv->ptp_lock, flags);
		get_arttime(priv->mii, intel_priv->mdio_adhoc_addr, &art_time);
		*system = convert_art_to_tsc(art_time);
	}

	system->cycles *= intel_priv->crossts_adj;
	priv->plat->flags &= ~STMMAC_FLAG_INT_SNAPSHOT_EN;

	return 0;
}

static void intel_mgbe_pse_crossts_adj(struct intel_priv_data *intel_priv,
				       int base)
{
	if (boot_cpu_has(X86_FEATURE_ART)) {
		unsigned int art_freq;

		/* On systems that support ART, ART frequency can be obtained
		 * from ECX register of CPUID leaf (0x15).
		 */
		art_freq = cpuid_ecx(ART_CPUID_LEAF);
		do_div(art_freq, base);
		intel_priv->crossts_adj = art_freq;
	}
}

static void common_default_data(struct plat_stmmacenet_data *plat)
{
	plat->clk_csr = 2;	/* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */
	plat->has_gmac = 1;
	plat->force_sf_dma_mode = 1;

	plat->mdio_bus_data->needs_reset = true;

	/* Set default value for multicast hash bins */
	plat->multicast_filter_bins = HASH_TABLE_SIZE;

	/* Set default value for unicast filter entries */
	plat->unicast_filter_entries = 1;

	/* Set the maxmtu to a default of JUMBO_LEN */
	plat->maxmtu = JUMBO_LEN;

	/* Set default number of RX and TX queues to use */
	plat->tx_queues_to_use = 1;
	plat->rx_queues_to_use = 1;

	/* Disable Priority config by default */
	plat->tx_queues_cfg[0].use_prio = false;
	plat->rx_queues_cfg[0].use_prio = false;

	/* Disable RX queues routing by default */
	plat->rx_queues_cfg[0].pkt_route = 0x0;
}

static int intel_mgbe_common_data(struct pci_dev *pdev,
				  struct plat_stmmacenet_data *plat)
{
	struct fwnode_handle *fwnode;
	char clk_name[20];
	int ret;
	int i;

	plat->pdev = pdev;
	plat->phy_addr = -1;
	plat->clk_csr = 5;
	plat->has_gmac = 0;
	plat->has_gmac4 = 1;
	plat->force_sf_dma_mode = 0;
	plat->flags |= (STMMAC_FLAG_TSO_EN | STMMAC_FLAG_SPH_DISABLE);

	/* Multiplying factor to the clk_eee_i clock time
	 * period to make it closer to 100 ns. This value
	 * should be programmed such that the clk_eee_time_period *
	 * (MULT_FACT_100NS + 1) should be within 80 ns to 120 ns
	 * clk_eee frequency is 19.2Mhz
	 * clk_eee_time_period is 52ns
	 * 52ns * (1 + 1) = 104ns
	 * MULT_FACT_100NS = 1
	 */
	plat->mult_fact_100ns = 1;

	plat->rx_sched_algorithm = MTL_RX_ALGORITHM_SP;

	for (i = 0; i < plat->rx_queues_to_use; i++) {
		plat->rx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;
		plat->rx_queues_cfg[i].chan = i;

		/* Disable Priority config by default */
		plat->rx_queues_cfg[i].use_prio = false;

		/* Disable RX queues routing by default */
		plat->rx_queues_cfg[i].pkt_route = 0x0;
	}

	for (i = 0; i < plat->tx_queues_to_use; i++) {
		plat->tx_queues_cfg[i].mode_to_use = MTL_QUEUE_DCB;

		/* Disable Priority config by default */
		plat->tx_queues_cfg[i].use_prio = false;
		/* Default TX Q0 to use TSO and rest TXQ for TBS */
		if (i > 0)
			plat->tx_queues_cfg[i].tbs_en = 1;
	}

	/* FIFO size is 4096 bytes for 1 tx/rx queue */
	plat->tx_fifo_size = plat->tx_queues_to_use * 4096;
	plat->rx_fifo_size = plat->rx_queues_to_use * 4096;

	plat->tx_sched_algorithm = MTL_TX_ALGORITHM_WRR;
	plat->tx_queues_cfg[0].weight = 0x09;
	plat->tx_queues_cfg[1].weight = 0x0A;
	plat->tx_queues_cfg[2].weight = 0x0B;
	plat->tx_queues_cfg[3].weight = 0x0C;
	plat->tx_queues_cfg[4].weight = 0x0D;
	plat->tx_queues_cfg[5].weight = 0x0E;
	plat->tx_queues_cfg[6].weight = 0x0F;
	plat->tx_queues_cfg[7].weight = 0x10;

	plat->dma_cfg->pbl = 32;
	plat->dma_cfg->pblx8 = true;
	plat->dma_cfg->fixed_burst = 0;
	plat->dma_cfg->mixed_burst = 0;
	plat->dma_cfg->aal = 0;
	plat->dma_cfg->dche = true;

	plat->axi = devm_kzalloc(&pdev->dev, sizeof(*plat->axi),
				 GFP_KERNEL);
	if (!plat->axi)
		return -ENOMEM;

	plat->axi->axi_lpi_en = 0;
	plat->axi->axi_xit_frm = 0;
	plat->axi->axi_wr_osr_lmt = 1;
	plat->axi->axi_rd_osr_lmt = 1;
	plat->axi->axi_blen[0] = 4;
	plat->axi->axi_blen[1] = 8;
	plat->axi->axi_blen[2] = 16;

	plat->ptp_max_adj = plat->clk_ptp_rate;
	plat->eee_usecs_rate = plat->clk_ptp_rate;

	/* Set system clock */
	sprintf(clk_name, "%s-%s", "stmmac", pci_name(pdev));

	plat->stmmac_clk = clk_register_fixed_rate(&pdev->dev,
						   clk_name, NULL, 0,
						   plat->clk_ptp_rate);

	if (IS_ERR(plat->stmmac_clk)) {
		dev_warn(&pdev->dev, "Fail to register stmmac-clk\n");
		plat->stmmac_clk = NULL;
	}

	ret = clk_prepare_enable(plat->stmmac_clk);
	if (ret) {
		clk_unregister_fixed_rate(plat->stmmac_clk);
		return ret;
	}

	plat->ptp_clk_freq_config = intel_mgbe_ptp_clk_freq_config;

	/* Set default value for multicast hash bins */
	plat->multicast_filter_bins = HASH_TABLE_SIZE;

	/* Set default value for unicast filter entries */
	plat->unicast_filter_entries = 1;

	/* Set the maxmtu to a default of JUMBO_LEN */
	plat->maxmtu = JUMBO_LEN;

	plat->flags |= STMMAC_FLAG_VLAN_FAIL_Q_EN;

	/* Use the last Rx queue */
	plat->vlan_fail_q = plat->rx_queues_to_use - 1;

	/* For fixed-link setup, we allow phy-mode setting */
	fwnode = dev_fwnode(&pdev->dev);
	if (fwnode) {
		int phy_mode;

		/* "phy-mode" setting is optional. If it is set,
		 *  we allow either sgmii or 1000base-x for now.
		 */
		phy_mode = fwnode_get_phy_mode(fwnode);
		if (phy_mode >= 0) {
			if (phy_mode == PHY_INTERFACE_MODE_SGMII ||
			    phy_mode == PHY_INTERFACE_MODE_1000BASEX)
				plat->phy_interface = phy_mode;
			else
				dev_warn(&pdev->dev, "Invalid phy-mode\n");
		}
	}

	/* Intel mgbe SGMII interface uses pcs-xcps */
	if (plat->phy_interface == PHY_INTERFACE_MODE_SGMII ||
	    plat->phy_interface == PHY_INTERFACE_MODE_1000BASEX) {
		plat->mdio_bus_data->has_xpcs = true;
		plat->mdio_bus_data->xpcs_an_inband = true;
	}

	/* For fixed-link setup, we clear xpcs_an_inband */
	if (fwnode) {
		struct fwnode_handle *fixed_node;

		fixed_node = fwnode_get_named_child_node(fwnode, "fixed-link");
		if (fixed_node)
			plat->mdio_bus_data->xpcs_an_inband = false;

		fwnode_handle_put(fixed_node);
	}

	/* Ensure mdio bus scan skips intel serdes and pcs-xpcs */
	plat->mdio_bus_data->phy_mask = 1 << INTEL_MGBE_ADHOC_ADDR;
	plat->mdio_bus_data->phy_mask |= 1 << INTEL_MGBE_XPCS_ADDR;

	plat->int_snapshot_num = AUX_SNAPSHOT1;

	plat->crosststamp = intel_crosststamp;
	plat->flags &= ~STMMAC_FLAG_INT_SNAPSHOT_EN;

	/* Setup MSI vector offset specific to Intel mGbE controller */
	plat->msi_mac_vec = 29;
	plat->msi_lpi_vec = 28;
	plat->msi_sfty_ce_vec = 27;
	plat->msi_sfty_ue_vec = 26;
	plat->msi_rx_base_vec = 0;
	plat->msi_tx_base_vec = 1;

	return 0;
}

static int ehl_common_data(struct pci_dev *pdev,
			   struct plat_stmmacenet_data *plat)
{
	plat->rx_queues_to_use = 8;
	plat->tx_queues_to_use = 8;
	plat->flags |= STMMAC_FLAG_USE_PHY_WOL;
	plat->flags |= STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY;

	plat->safety_feat_cfg->tsoee = 1;
	plat->safety_feat_cfg->mrxpee = 1;
	plat->safety_feat_cfg->mestee = 1;
	plat->safety_feat_cfg->mrxee = 1;
	plat->safety_feat_cfg->mtxee = 1;
	plat->safety_feat_cfg->epsi = 0;
	plat->safety_feat_cfg->edpp = 0;
	plat->safety_feat_cfg->prtyen = 0;
	plat->safety_feat_cfg->tmouten = 0;

	return intel_mgbe_common_data(pdev, plat);
}

static int ehl_sgmii_data(struct pci_dev *pdev,
			  struct plat_stmmacenet_data *plat)
{
	plat->bus_id = 1;
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
	plat->speed_mode_2500 = intel_speed_mode_2500;
	plat->serdes_powerup = intel_serdes_powerup;
	plat->serdes_powerdown = intel_serdes_powerdown;

	plat->clk_ptp_rate = 204800000;

	return ehl_common_data(pdev, plat);
}

static struct stmmac_pci_info ehl_sgmii1g_info = {
	.setup = ehl_sgmii_data,
};

static int ehl_rgmii_data(struct pci_dev *pdev,
			  struct plat_stmmacenet_data *plat)
{
	plat->bus_id = 1;
	plat->phy_interface = PHY_INTERFACE_MODE_RGMII;

	plat->clk_ptp_rate = 204800000;

	return ehl_common_data(pdev, plat);
}

static struct stmmac_pci_info ehl_rgmii1g_info = {
	.setup = ehl_rgmii_data,
};

static int ehl_pse0_common_data(struct pci_dev *pdev,
				struct plat_stmmacenet_data *plat)
{
	struct intel_priv_data *intel_priv = plat->bsp_priv;

	intel_priv->is_pse = true;
	plat->bus_id = 2;
	plat->host_dma_width = 32;

	plat->clk_ptp_rate = 200000000;

	intel_mgbe_pse_crossts_adj(intel_priv, EHL_PSE_ART_MHZ);

	return ehl_common_data(pdev, plat);
}

static int ehl_pse0_rgmii1g_data(struct pci_dev *pdev,
				 struct plat_stmmacenet_data *plat)
{
	plat->phy_interface = PHY_INTERFACE_MODE_RGMII_ID;
	return ehl_pse0_common_data(pdev, plat);
}

static struct stmmac_pci_info ehl_pse0_rgmii1g_info = {
	.setup = ehl_pse0_rgmii1g_data,
};

static int ehl_pse0_sgmii1g_data(struct pci_dev *pdev,
				 struct plat_stmmacenet_data *plat)
{
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
	plat->speed_mode_2500 = intel_speed_mode_2500;
	plat->serdes_powerup = intel_serdes_powerup;
	plat->serdes_powerdown = intel_serdes_powerdown;
	return ehl_pse0_common_data(pdev, plat);
}

static struct stmmac_pci_info ehl_pse0_sgmii1g_info = {
	.setup = ehl_pse0_sgmii1g_data,
};

static int ehl_pse1_common_data(struct pci_dev *pdev,
				struct plat_stmmacenet_data *plat)
{
	struct intel_priv_data *intel_priv = plat->bsp_priv;

	intel_priv->is_pse = true;
	plat->bus_id = 3;
	plat->host_dma_width = 32;

	plat->clk_ptp_rate = 200000000;

	intel_mgbe_pse_crossts_adj(intel_priv, EHL_PSE_ART_MHZ);

	return ehl_common_data(pdev, plat);
}

static int ehl_pse1_rgmii1g_data(struct pci_dev *pdev,
				 struct plat_stmmacenet_data *plat)
{
	plat->phy_interface = PHY_INTERFACE_MODE_RGMII_ID;
	return ehl_pse1_common_data(pdev, plat);
}

static struct stmmac_pci_info ehl_pse1_rgmii1g_info = {
	.setup = ehl_pse1_rgmii1g_data,
};

static int ehl_pse1_sgmii1g_data(struct pci_dev *pdev,
				 struct plat_stmmacenet_data *plat)
{
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
	plat->speed_mode_2500 = intel_speed_mode_2500;
	plat->serdes_powerup = intel_serdes_powerup;
	plat->serdes_powerdown = intel_serdes_powerdown;
	return ehl_pse1_common_data(pdev, plat);
}

static struct stmmac_pci_info ehl_pse1_sgmii1g_info = {
	.setup = ehl_pse1_sgmii1g_data,
};

static int tgl_common_data(struct pci_dev *pdev,
			   struct plat_stmmacenet_data *plat)
{
	plat->rx_queues_to_use = 6;
	plat->tx_queues_to_use = 4;
	plat->clk_ptp_rate = 204800000;
	plat->speed_mode_2500 = intel_speed_mode_2500;

	plat->safety_feat_cfg->tsoee = 1;
	plat->safety_feat_cfg->mrxpee = 0;
	plat->safety_feat_cfg->mestee = 1;
	plat->safety_feat_cfg->mrxee = 1;
	plat->safety_feat_cfg->mtxee = 1;
	plat->safety_feat_cfg->epsi = 0;
	plat->safety_feat_cfg->edpp = 0;
	plat->safety_feat_cfg->prtyen = 0;
	plat->safety_feat_cfg->tmouten = 0;

	return intel_mgbe_common_data(pdev, plat);
}

static int tgl_sgmii_phy0_data(struct pci_dev *pdev,
			       struct plat_stmmacenet_data *plat)
{
	plat->bus_id = 1;
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
	plat->serdes_powerup = intel_serdes_powerup;
	plat->serdes_powerdown = intel_serdes_powerdown;
	return tgl_common_data(pdev, plat);
}

static struct stmmac_pci_info tgl_sgmii1g_phy0_info = {
	.setup = tgl_sgmii_phy0_data,
};

static int tgl_sgmii_phy1_data(struct pci_dev *pdev,
			       struct plat_stmmacenet_data *plat)
{
	plat->bus_id = 2;
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
	plat->serdes_powerup = intel_serdes_powerup;
	plat->serdes_powerdown = intel_serdes_powerdown;
	return tgl_common_data(pdev, plat);
}

static struct stmmac_pci_info tgl_sgmii1g_phy1_info = {
	.setup = tgl_sgmii_phy1_data,
};

static int adls_sgmii_phy0_data(struct pci_dev *pdev,
				struct plat_stmmacenet_data *plat)
{
	plat->bus_id = 1;
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;

	/* SerDes power up and power down are done in BIOS for ADL */

	return tgl_common_data(pdev, plat);
}

static struct stmmac_pci_info adls_sgmii1g_phy0_info = {
	.setup = adls_sgmii_phy0_data,
};

static int adls_sgmii_phy1_data(struct pci_dev *pdev,
				struct plat_stmmacenet_data *plat)
{
	plat->bus_id = 2;
	plat->phy_interface = PHY_INTERFACE_MODE_SGMII;

	/* SerDes power up and power down are done in BIOS for ADL */

	return tgl_common_data(pdev, plat);
}

static struct stmmac_pci_info adls_sgmii1g_phy1_info = {
	.setup = adls_sgmii_phy1_data,
};
static const struct stmmac_pci_func_data galileo_stmmac_func_data[] = {
	{
		.func = 6,
		.phy_addr = 1,
	},
};

static const struct stmmac_pci_dmi_data galileo_stmmac_dmi_data = {
	.func = galileo_stmmac_func_data,
	.nfuncs = ARRAY_SIZE(galileo_stmmac_func_data),
};

static const struct stmmac_pci_func_data iot2040_stmmac_func_data[] = {
	{
		.func = 6,
		.phy_addr = 1,
	},
	{
		.func = 7,
		.phy_addr = 1,
	},
};

static const struct stmmac_pci_dmi_data iot2040_stmmac_dmi_data = {
	.func = iot2040_stmmac_func_data,
	.nfuncs = ARRAY_SIZE(iot2040_stmmac_func_data),
};

static const struct dmi_system_id quark_pci_dmi[] = {
	{
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Galileo"),
		},
		.driver_data = (void *)&galileo_stmmac_dmi_data,
	},
	{
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_NAME, "GalileoGen2"),
		},
		.driver_data = (void *)&galileo_stmmac_dmi_data,
	},
	/* There are 2 types of SIMATIC IOT2000: IOT2020 and IOT2040.
	 * The asset tag "6ES7647-0AA00-0YA2" is only for IOT2020 which
	 * has only one pci network device while other asset tags are
	 * for IOT2040 which has two.
	 */
	{
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"),
			DMI_EXACT_MATCH(DMI_BOARD_ASSET_TAG,
					"6ES7647-0AA00-0YA2"),
		},
		.driver_data = (void *)&galileo_stmmac_dmi_data,
	},
	{
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_NAME, "SIMATIC IOT2000"),
		},
		.driver_data = (void *)&iot2040_stmmac_dmi_data,
	},
	{}
};

static int quark_default_data(struct pci_dev *pdev,
			      struct plat_stmmacenet_data *plat)
{
	int ret;

	/* Set common default data first */
	common_default_data(plat);

	/* Refuse to load the driver and register net device if MAC controller
	 * does not connect to any PHY interface.
	 */
	ret = stmmac_pci_find_phy_addr(pdev, quark_pci_dmi);
	if (ret < 0) {
		/* Return error to the caller on DMI enabled boards. */
		if (dmi_get_system_info(DMI_BOARD_NAME))
			return ret;

		/* Galileo boards with old firmware don't support DMI. We always
		 * use 1 here as PHY address, so at least the first found MAC
		 * controller would be probed.
		 */
		ret = 1;
	}

	plat->bus_id = pci_dev_id(pdev);
	plat->phy_addr = ret;
	plat->phy_interface = PHY_INTERFACE_MODE_RMII;

	plat->dma_cfg->pbl = 16;
	plat->dma_cfg->pblx8 = true;
	plat->dma_cfg->fixed_burst = 1;
	/* AXI (TODO) */

	return 0;
}

static const struct stmmac_pci_info quark_info = {
	.setup = quark_default_data,
};

static int stmmac_config_single_msi(struct pci_dev *pdev,
				    struct plat_stmmacenet_data *plat,
				    struct stmmac_resources *res)
{
	int ret;

	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
	if (ret < 0) {
		dev_info(&pdev->dev, "%s: Single IRQ enablement failed\n",
			 __func__);
		return ret;
	}

	res->irq = pci_irq_vector(pdev, 0);
	res->wol_irq = res->irq;
	plat->flags &= ~STMMAC_FLAG_MULTI_MSI_EN;
	dev_info(&pdev->dev, "%s: Single IRQ enablement successful\n",
		 __func__);

	return 0;
}

static int stmmac_config_multi_msi(struct pci_dev *pdev,
				   struct plat_stmmacenet_data *plat,
				   struct stmmac_resources *res)
{
	int ret;
	int i;

	if (plat->msi_rx_base_vec >= STMMAC_MSI_VEC_MAX ||
	    plat->msi_tx_base_vec >= STMMAC_MSI_VEC_MAX) {
		dev_info(&pdev->dev, "%s: Invalid RX & TX vector defined\n",
			 __func__);
		return -1;
	}

	ret = pci_alloc_irq_vectors(pdev, 2, STMMAC_MSI_VEC_MAX,
				    PCI_IRQ_MSI | PCI_IRQ_MSIX);
	if (ret < 0) {
		dev_info(&pdev->dev, "%s: multi MSI enablement failed\n",
			 __func__);
		return ret;
	}

	/* For RX MSI */
	for (i = 0; i < plat->rx_queues_to_use; i++) {
		res->rx_irq[i] = pci_irq_vector(pdev,
						plat->msi_rx_base_vec + i * 2);
	}

	/* For TX MSI */
	for (i = 0; i < plat->tx_queues_to_use; i++) {
		res->tx_irq[i] = pci_irq_vector(pdev,
						plat->msi_tx_base_vec + i * 2);
	}

	if (plat->msi_mac_vec < STMMAC_MSI_VEC_MAX)
		res->irq = pci_irq_vector(pdev, plat->msi_mac_vec);
	if (plat->msi_wol_vec < STMMAC_MSI_VEC_MAX)
		res->wol_irq = pci_irq_vector(pdev, plat->msi_wol_vec);
	if (plat->msi_lpi_vec < STMMAC_MSI_VEC_MAX)
		res->lpi_irq = pci_irq_vector(pdev, plat->msi_lpi_vec);
	if (plat->msi_sfty_ce_vec < STMMAC_MSI_VEC_MAX)
		res->sfty_ce_irq = pci_irq_vector(pdev, plat->msi_sfty_ce_vec);
	if (plat->msi_sfty_ue_vec < STMMAC_MSI_VEC_MAX)
		res->sfty_ue_irq = pci_irq_vector(pdev, plat->msi_sfty_ue_vec);

	plat->flags |= STMMAC_FLAG_MULTI_MSI_EN;
	dev_info(&pdev->dev, "%s: multi MSI enablement successful\n", __func__);

	return 0;
}

/**
 * intel_eth_pci_probe
 *
 * @pdev: pci device pointer
 * @id: pointer to table of device id/id's.
 *
 * Description: This probing function gets called for all PCI devices which
 * match the ID table and are not "owned" by other driver yet. This function
 * gets passed a "struct pci_dev *" for each device whose entry in the ID table
 * matches the device. The probe functions returns zero when the driver choose
 * to take "ownership" of the device or an error code(-ve no) otherwise.
 */
static int intel_eth_pci_probe(struct pci_dev *pdev,
			       const struct pci_device_id *id)
{
	struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
	struct intel_priv_data *intel_priv;
	struct plat_stmmacenet_data *plat;
	struct stmmac_resources res;
	int ret;

	intel_priv = devm_kzalloc(&pdev->dev, sizeof(*intel_priv), GFP_KERNEL);
	if (!intel_priv)
		return -ENOMEM;

	plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
	if (!plat)
		return -ENOMEM;

	plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
					   sizeof(*plat->mdio_bus_data),
					   GFP_KERNEL);
	if (!plat->mdio_bus_data)
		return -ENOMEM;

	plat->dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*plat->dma_cfg),
				     GFP_KERNEL);
	if (!plat->dma_cfg)
		return -ENOMEM;

	plat->safety_feat_cfg = devm_kzalloc(&pdev->dev,
					     sizeof(*plat->safety_feat_cfg),
					     GFP_KERNEL);
	if (!plat->safety_feat_cfg)
		return -ENOMEM;

	/* Enable pci device */
	ret = pcim_enable_device(pdev);
	if (ret) {
		dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
			__func__);
		return ret;
	}

	ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
	if (ret)
		return ret;

	pci_set_master(pdev);

	plat->bsp_priv = intel_priv;
	intel_priv->mdio_adhoc_addr = INTEL_MGBE_ADHOC_ADDR;
	intel_priv->crossts_adj = 1;

	/* Initialize all MSI vectors to invalid so that it can be set
	 * according to platform data settings below.
	 * Note: MSI vector takes value from 0 upto 31 (STMMAC_MSI_VEC_MAX)
	 */
	plat->msi_mac_vec = STMMAC_MSI_VEC_MAX;
	plat->msi_wol_vec = STMMAC_MSI_VEC_MAX;
	plat->msi_lpi_vec = STMMAC_MSI_VEC_MAX;
	plat->msi_sfty_ce_vec = STMMAC_MSI_VEC_MAX;
	plat->msi_sfty_ue_vec = STMMAC_MSI_VEC_MAX;
	plat->msi_rx_base_vec = STMMAC_MSI_VEC_MAX;
	plat->msi_tx_base_vec = STMMAC_MSI_VEC_MAX;

	ret = info->setup(pdev, plat);
	if (ret)
		return ret;

	memset(&res, 0, sizeof(res));
	res.addr = pcim_iomap_table(pdev)[0];

	if (plat->eee_usecs_rate > 0) {
		u32 tx_lpi_usec;

		tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1;
		writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER);
	}

	ret = stmmac_config_multi_msi(pdev, plat, &res);
	if (ret) {
		ret = stmmac_config_single_msi(pdev, plat, &res);
		if (ret) {
			dev_err(&pdev->dev, "%s: ERROR: failed to enable IRQ\n",
				__func__);
			goto err_alloc_irq;
		}
	}

	ret = stmmac_dvr_probe(&pdev->dev, plat, &res);
	if (ret) {
		goto err_alloc_irq;
	}

	return 0;

err_alloc_irq:
	clk_disable_unprepare(plat->stmmac_clk);
	clk_unregister_fixed_rate(plat->stmmac_clk);
	return ret;
}

/**
 * intel_eth_pci_remove
 *
 * @pdev: pci device pointer
 * Description: this function calls the main to free the net resources
 * and releases the PCI resources.
 */
static void intel_eth_pci_remove(struct pci_dev *pdev)
{
	struct net_device *ndev = dev_get_drvdata(&pdev->dev);
	struct stmmac_priv *priv = netdev_priv(ndev);

	stmmac_dvr_remove(&pdev->dev);

	clk_disable_unprepare(priv->plat->stmmac_clk);
	clk_unregister_fixed_rate(priv->plat->stmmac_clk);
}

static int __maybe_unused intel_eth_pci_suspend(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	int ret;

	ret = stmmac_suspend(dev);
	if (ret)
		return ret;

	ret = pci_save_state(pdev);
	if (ret)
		return ret;

	pci_wake_from_d3(pdev, true);
	pci_set_power_state(pdev, PCI_D3hot);
	return 0;
}

static int __maybe_unused intel_eth_pci_resume(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	int ret;

	pci_restore_state(pdev);
	pci_set_power_state(pdev, PCI_D0);

	ret = pcim_enable_device(pdev);
	if (ret)
		return ret;

	pci_set_master(pdev);

	return stmmac_resume(dev);
}

static SIMPLE_DEV_PM_OPS(intel_eth_pm_ops, intel_eth_pci_suspend,
			 intel_eth_pci_resume);

#define PCI_DEVICE_ID_INTEL_QUARK		0x0937
#define PCI_DEVICE_ID_INTEL_EHL_RGMII1G		0x4b30
#define PCI_DEVICE_ID_INTEL_EHL_SGMII1G		0x4b31
#define PCI_DEVICE_ID_INTEL_EHL_SGMII2G5	0x4b32
/* Intel(R) Programmable Services Engine (Intel(R) PSE) consist of 2 MAC
 * which are named PSE0 and PSE1
 */
#define PCI_DEVICE_ID_INTEL_EHL_PSE0_RGMII1G	0x4ba0
#define PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII1G	0x4ba1
#define PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII2G5	0x4ba2
#define PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G	0x4bb0
#define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G	0x4bb1
#define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5	0x4bb2
#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_0	0x43ac
#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_1	0x43a2
#define PCI_DEVICE_ID_INTEL_TGL_SGMII1G		0xa0ac
#define PCI_DEVICE_ID_INTEL_ADLS_SGMII1G_0	0x7aac
#define PCI_DEVICE_ID_INTEL_ADLS_SGMII1G_1	0x7aad
#define PCI_DEVICE_ID_INTEL_ADLN_SGMII1G	0x54ac
#define PCI_DEVICE_ID_INTEL_RPLP_SGMII1G	0x51ac

static const struct pci_device_id intel_eth_pci_id_table[] = {
	{ PCI_DEVICE_DATA(INTEL, QUARK, &quark_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_RGMII1G, &ehl_rgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_SGMII1G, &ehl_sgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_SGMII2G5, &ehl_sgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_PSE0_RGMII1G, &ehl_pse0_rgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII1G, &ehl_pse0_sgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII2G5, &ehl_pse0_sgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_PSE1_RGMII1G, &ehl_pse1_rgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G, &ehl_pse1_sgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5, &ehl_pse1_sgmii1g_info) },
	{ PCI_DEVICE_DATA(INTEL, TGL_SGMII1G, &tgl_sgmii1g_phy0_info) },
	{ PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_0, &tgl_sgmii1g_phy0_info) },
	{ PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1, &tgl_sgmii1g_phy1_info) },
	{ PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_0, &adls_sgmii1g_phy0_info) },
	{ PCI_DEVICE_DATA(INTEL, ADLS_SGMII1G_1, &adls_sgmii1g_phy1_info) },
	{ PCI_DEVICE_DATA(INTEL, ADLN_SGMII1G, &tgl_sgmii1g_phy0_info) },
	{ PCI_DEVICE_DATA(INTEL, RPLP_SGMII1G, &tgl_sgmii1g_phy0_info) },
	{}
};
MODULE_DEVICE_TABLE(pci, intel_eth_pci_id_table);

static struct pci_driver intel_eth_pci_driver = {
	.name = "intel-eth-pci",
	.id_table = intel_eth_pci_id_table,
	.probe = intel_eth_pci_probe,
	.remove = intel_eth_pci_remove,
	.driver         = {
		.pm     = &intel_eth_pm_ops,
	},
};

module_pci_driver(intel_eth_pci_driver);

MODULE_DESCRIPTION("INTEL 10/100/1000 Ethernet PCI driver");
MODULE_AUTHOR("Voon Weifeng <weifeng.voon@intel.com>");
MODULE_LICENSE("GPL v2");