summaryrefslogtreecommitdiff
path: root/drivers/block/ide.c
blob: 4b8a4eac176cfa122a9287644e2f8d481821c51a (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
1240
1241
1242
1243
1244
// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2000-2011
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

#include <common.h>
#include <ata.h>
#include <dm.h>
#include <ide.h>
#include <watchdog.h>
#include <asm/io.h>

#ifdef __PPC__
# define EIEIO		__asm__ volatile ("eieio")
# define SYNC		__asm__ volatile ("sync")
#else
# define EIEIO		/* nothing */
# define SYNC		/* nothing */
#endif

/* Current offset for IDE0 / IDE1 bus access	*/
ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
#if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
	CONFIG_SYS_ATA_IDE0_OFFSET,
#endif
#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
	CONFIG_SYS_ATA_IDE1_OFFSET,
#endif
};

static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];

struct blk_desc ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];

#define IDE_TIME_OUT	2000	/* 2 sec timeout */

#define ATAPI_TIME_OUT	7000	/* 7 sec timeout (5 sec seems to work...) */

#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */

#ifndef CONFIG_SYS_ATA_PORT_ADDR
#define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
#endif

#ifdef CONFIG_IDE_RESET
extern void ide_set_reset(int idereset);

static void ide_reset(void)
{
	int i;

	for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i)
		ide_bus_ok[i] = 0;
	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i)
		ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;

	ide_set_reset(1);	/* assert reset */

	/* the reset signal shall be asserted for et least 25 us */
	udelay(25);

	WATCHDOG_RESET();

	/* de-assert RESET signal */
	ide_set_reset(0);

	/* wait 250 ms */
	for (i = 0; i < 250; ++i)
		udelay(1000);
}
#else
#define ide_reset()	/* dummy */
#endif /* CONFIG_IDE_RESET */

/*
 * Wait until Busy bit is off, or timeout (in ms)
 * Return last status
 */
static uchar ide_wait(int dev, ulong t)
{
	ulong delay = 10 * t;	/* poll every 100 us */
	uchar c;

	while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
		udelay(100);
		if (delay-- == 0)
			break;
	}
	return c;
}

/*
 * copy src to dest, skipping leading and trailing blanks and null
 * terminate the string
 * "len" is the size of available memory including the terminating '\0'
 */
static void ident_cpy(unsigned char *dst, unsigned char *src,
		      unsigned int len)
{
	unsigned char *end, *last;

	last = dst;
	end = src + len - 1;

	/* reserve space for '\0' */
	if (len < 2)
		goto OUT;

	/* skip leading white space */
	while ((*src) && (src < end) && (*src == ' '))
		++src;

	/* copy string, omitting trailing white space */
	while ((*src) && (src < end)) {
		*dst++ = *src;
		if (*src++ != ' ')
			last = dst;
	}
OUT:
	*last = '\0';
}

#ifdef CONFIG_ATAPI
/****************************************************************************
 * ATAPI Support
 */

#if defined(CONFIG_IDE_SWAP_IO)
/* since ATAPI may use commands with not 4 bytes alligned length
 * we have our own transfer functions, 2 bytes alligned */
__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
{
	ushort *dbuf;
	volatile ushort *pbuf;

	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
	dbuf = (ushort *)sect_buf;

	debug("in output data shorts base for read is %lx\n",
	      (unsigned long) pbuf);

	while (shorts--) {
		EIEIO;
		*pbuf = *dbuf++;
	}
}

__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
{
	ushort *dbuf;
	volatile ushort *pbuf;

	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
	dbuf = (ushort *)sect_buf;

	debug("in input data shorts base for read is %lx\n",
	      (unsigned long) pbuf);

	while (shorts--) {
		EIEIO;
		*dbuf++ = *pbuf;
	}
}

#else  /* ! CONFIG_IDE_SWAP_IO */
__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
{
	outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
}

__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
{
	insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
}

#endif /* CONFIG_IDE_SWAP_IO */

/*
 * Wait until (Status & mask) == res, or timeout (in ms)
 * Return last status
 * This is used since some ATAPI CD ROMs clears their Busy Bit first
 * and then they set their DRQ Bit
 */
static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res)
{
	ulong delay = 10 * t;	/* poll every 100 us */
	uchar c;

	/* prevents to read the status before valid */
	c = ide_inb(dev, ATA_DEV_CTL);

	while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
		/* break if error occurs (doesn't make sense to wait more) */
		if ((c & ATA_STAT_ERR) == ATA_STAT_ERR)
			break;
		udelay(100);
		if (delay-- == 0)
			break;
	}
	return c;
}

/*
 * issue an atapi command
 */
unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen,
			  unsigned char *buffer, int buflen)
{
	unsigned char c, err, mask, res;
	int n;

	/* Select device
	 */
	mask = ATA_STAT_BUSY | ATA_STAT_DRQ;
	res = 0;
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
	if ((c & mask) != res) {
		printf("ATAPI_ISSUE: device %d not ready status %X\n", device,
		       c);
		err = 0xFF;
		goto AI_OUT;
	}
	/* write taskfile */
	ide_outb(device, ATA_ERROR_REG, 0);	/* no DMA, no overlaped */
	ide_outb(device, ATA_SECT_CNT, 0);
	ide_outb(device, ATA_SECT_NUM, 0);
	ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF));
	ide_outb(device, ATA_CYL_HIGH,
		 (unsigned char) ((buflen >> 8) & 0xFF));
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));

	ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET);
	udelay(50);

	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
	res = ATA_STAT_DRQ;
	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);

	if ((c & mask) != res) {	/* DRQ must be 1, BSY 0 */
		printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",
		       device, c);
		err = 0xFF;
		goto AI_OUT;
	}

	/* write command block */
	ide_output_data_shorts(device, (unsigned short *)ccb, ccblen / 2);

	/* ATAPI Command written wait for completition */
	udelay(5000);		/* device must set bsy */

	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
	/*
	 * if no data wait for DRQ = 0 BSY = 0
	 * if data wait for DRQ = 1 BSY = 0
	 */
	res = 0;
	if (buflen)
		res = ATA_STAT_DRQ;
	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
	if ((c & mask) != res) {
		if (c & ATA_STAT_ERR) {
			err = (ide_inb(device, ATA_ERROR_REG)) >> 4;
			debug("atapi_issue 1 returned sense key %X status %02X\n",
			      err, c);
		} else {
			printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x)  status 0x%02x\n",
			       ccb[0], c);
			err = 0xFF;
		}
		goto AI_OUT;
	}
	n = ide_inb(device, ATA_CYL_HIGH);
	n <<= 8;
	n += ide_inb(device, ATA_CYL_LOW);
	if (n > buflen) {
		printf("ERROR, transfer bytes %d requested only %d\n", n,
		       buflen);
		err = 0xff;
		goto AI_OUT;
	}
	if ((n == 0) && (buflen < 0)) {
		printf("ERROR, transfer bytes %d requested %d\n", n, buflen);
		err = 0xff;
		goto AI_OUT;
	}
	if (n != buflen) {
		debug("WARNING, transfer bytes %d not equal with requested %d\n",
		      n, buflen);
	}
	if (n != 0) {		/* data transfer */
		debug("ATAPI_ISSUE: %d Bytes to transfer\n", n);
		/* we transfer shorts */
		n >>= 1;
		/* ok now decide if it is an in or output */
		if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) {
			debug("Write to device\n");
			ide_output_data_shorts(device, (unsigned short *)buffer,
					       n);
		} else {
			debug("Read from device @ %p shorts %d\n", buffer, n);
			ide_input_data_shorts(device, (unsigned short *)buffer,
					      n);
		}
	}
	udelay(5000);		/* seems that some CD ROMs need this... */
	mask = ATA_STAT_BUSY | ATA_STAT_ERR;
	res = 0;
	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
	if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
		err = (ide_inb(device, ATA_ERROR_REG) >> 4);
		debug("atapi_issue 2 returned sense key %X status %X\n", err,
		      c);
	} else {
		err = 0;
	}
AI_OUT:
	return err;
}

/*
 * sending the command to atapi_issue. If an status other than good
 * returns, an request_sense will be issued
 */

#define ATAPI_DRIVE_NOT_READY	100
#define ATAPI_UNIT_ATTN		10

unsigned char atapi_issue_autoreq(int device,
				  unsigned char *ccb,
				  int ccblen,
				  unsigned char *buffer, int buflen)
{
	unsigned char sense_data[18], sense_ccb[12];
	unsigned char res, key, asc, ascq;
	int notready, unitattn;

	unitattn = ATAPI_UNIT_ATTN;
	notready = ATAPI_DRIVE_NOT_READY;

retry:
	res = atapi_issue(device, ccb, ccblen, buffer, buflen);
	if (res == 0)
		return 0;	/* Ok */

	if (res == 0xFF)
		return 0xFF;	/* error */

	debug("(auto_req)atapi_issue returned sense key %X\n", res);

	memset(sense_ccb, 0, sizeof(sense_ccb));
	memset(sense_data, 0, sizeof(sense_data));
	sense_ccb[0] = ATAPI_CMD_REQ_SENSE;
	sense_ccb[4] = 18;	/* allocation Length */

	res = atapi_issue(device, sense_ccb, 12, sense_data, 18);
	key = (sense_data[2] & 0xF);
	asc = (sense_data[12]);
	ascq = (sense_data[13]);

	debug("ATAPI_CMD_REQ_SENSE returned %x\n", res);
	debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
	      sense_data[0], key, asc, ascq);

	if ((key == 0))
		return 0;	/* ok device ready */

	if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */
		if (unitattn-- > 0) {
			udelay(200 * 1000);
			goto retry;
		}
		printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN);
		goto error;
	}
	if ((asc == 0x4) && (ascq == 0x1)) {
		/* not ready, but will be ready soon */
		if (notready-- > 0) {
			udelay(200 * 1000);
			goto retry;
		}
		printf("Drive not ready, tried %d times\n",
		       ATAPI_DRIVE_NOT_READY);
		goto error;
	}
	if (asc == 0x3a) {
		debug("Media not present\n");
		goto error;
	}

	printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc,
	       ascq);
error:
	debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq);
	return 0xFF;
}

/*
 * atapi_read:
 * we transfer only one block per command, since the multiple DRQ per
 * command is not yet implemented
 */
#define ATAPI_READ_MAX_BYTES	2048	/* we read max 2kbytes */
#define ATAPI_READ_BLOCK_SIZE	2048	/* assuming CD part */
#define ATAPI_READ_MAX_BLOCK	(ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE)

ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
		 void *buffer)
{
	int device = block_dev->devnum;
	ulong n = 0;
	unsigned char ccb[12];	/* Command descriptor block */
	ulong cnt;

	debug("atapi_read dev %d start " LBAF " blocks " LBAF
	      " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer);

	do {
		if (blkcnt > ATAPI_READ_MAX_BLOCK)
			cnt = ATAPI_READ_MAX_BLOCK;
		else
			cnt = blkcnt;

		ccb[0] = ATAPI_CMD_READ_12;
		ccb[1] = 0;	/* reserved */
		ccb[2] = (unsigned char) (blknr >> 24) & 0xFF;	/* MSB Block */
		ccb[3] = (unsigned char) (blknr >> 16) & 0xFF;	/*  */
		ccb[4] = (unsigned char) (blknr >> 8) & 0xFF;
		ccb[5] = (unsigned char) blknr & 0xFF;	/* LSB Block */
		ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */
		ccb[7] = (unsigned char) (cnt >> 16) & 0xFF;
		ccb[8] = (unsigned char) (cnt >> 8) & 0xFF;
		ccb[9] = (unsigned char) cnt & 0xFF;	/* LSB Block */
		ccb[10] = 0;	/* reserved */
		ccb[11] = 0;	/* reserved */

		if (atapi_issue_autoreq(device, ccb, 12,
					(unsigned char *)buffer,
					cnt * ATAPI_READ_BLOCK_SIZE)
		    == 0xFF) {
			return n;
		}
		n += cnt;
		blkcnt -= cnt;
		blknr += cnt;
		buffer += (cnt * ATAPI_READ_BLOCK_SIZE);
	} while (blkcnt > 0);
	return n;
}

static void atapi_inquiry(struct blk_desc *dev_desc)
{
	unsigned char ccb[12];	/* Command descriptor block */
	unsigned char iobuf[64];	/* temp buf */
	unsigned char c;
	int device;

	device = dev_desc->devnum;
	dev_desc->type = DEV_TYPE_UNKNOWN;	/* not yet valid */
#ifndef CONFIG_BLK
	dev_desc->block_read = atapi_read;
#endif

	memset(ccb, 0, sizeof(ccb));
	memset(iobuf, 0, sizeof(iobuf));

	ccb[0] = ATAPI_CMD_INQUIRY;
	ccb[4] = 40;		/* allocation Legnth */
	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 40);

	debug("ATAPI_CMD_INQUIRY returned %x\n", c);
	if (c != 0)
		return;

	/* copy device ident strings */
	ident_cpy((unsigned char *)dev_desc->vendor, &iobuf[8], 8);
	ident_cpy((unsigned char *)dev_desc->product, &iobuf[16], 16);
	ident_cpy((unsigned char *)dev_desc->revision, &iobuf[32], 5);

	dev_desc->lun = 0;
	dev_desc->lba = 0;
	dev_desc->blksz = 0;
	dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz));
	dev_desc->type = iobuf[0] & 0x1f;

	if ((iobuf[1] & 0x80) == 0x80)
		dev_desc->removable = 1;
	else
		dev_desc->removable = 0;

	memset(ccb, 0, sizeof(ccb));
	memset(iobuf, 0, sizeof(iobuf));
	ccb[0] = ATAPI_CMD_START_STOP;
	ccb[4] = 0x03;		/* start */

	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);

	debug("ATAPI_CMD_START_STOP returned %x\n", c);
	if (c != 0)
		return;

	memset(ccb, 0, sizeof(ccb));
	memset(iobuf, 0, sizeof(iobuf));
	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);

	debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c);
	if (c != 0)
		return;

	memset(ccb, 0, sizeof(ccb));
	memset(iobuf, 0, sizeof(iobuf));
	ccb[0] = ATAPI_CMD_READ_CAP;
	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 8);
	debug("ATAPI_CMD_READ_CAP returned %x\n", c);
	if (c != 0)
		return;

	debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
	      iobuf[0], iobuf[1], iobuf[2], iobuf[3],
	      iobuf[4], iobuf[5], iobuf[6], iobuf[7]);

	dev_desc->lba = ((unsigned long) iobuf[0] << 24) +
		((unsigned long) iobuf[1] << 16) +
		((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]);
	dev_desc->blksz = ((unsigned long) iobuf[4] << 24) +
		((unsigned long) iobuf[5] << 16) +
		((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]);
	dev_desc->log2blksz = LOG2(dev_desc->blksz);
#ifdef CONFIG_LBA48
	/* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
	dev_desc->lba48 = 0;
#endif
	return;
}

#endif /* CONFIG_ATAPI */

static void ide_ident(struct blk_desc *dev_desc)
{
	unsigned char c;
	hd_driveid_t iop;

#ifdef CONFIG_ATAPI
	int retries = 0;
#endif
	int device;

	device = dev_desc->devnum;
	printf("  Device %d: ", device);

	/* Select device
	 */
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
	dev_desc->if_type = IF_TYPE_IDE;
#ifdef CONFIG_ATAPI

	retries = 0;

	/* Warning: This will be tricky to read */
	while (retries <= 1) {
		/* check signature */
		if ((ide_inb(device, ATA_SECT_CNT) == 0x01) &&
		    (ide_inb(device, ATA_SECT_NUM) == 0x01) &&
		    (ide_inb(device, ATA_CYL_LOW) == 0x14) &&
		    (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) {
			/* ATAPI Signature found */
			dev_desc->if_type = IF_TYPE_ATAPI;
			/*
			 * Start Ident Command
			 */
			ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT);
			/*
			 * Wait for completion - ATAPI devices need more time
			 * to become ready
			 */
			c = ide_wait(device, ATAPI_TIME_OUT);
		} else
#endif
		{
			/*
			 * Start Ident Command
			 */
			ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT);

			/*
			 * Wait for completion
			 */
			c = ide_wait(device, IDE_TIME_OUT);
		}

		if (((c & ATA_STAT_DRQ) == 0) ||
		    ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) {
#ifdef CONFIG_ATAPI
			{
				/*
				 * Need to soft reset the device
				 * in case it's an ATAPI...
				 */
				debug("Retrying...\n");
				ide_outb(device, ATA_DEV_HD,
					 ATA_LBA | ATA_DEVICE(device));
				udelay(100000);
				ide_outb(device, ATA_COMMAND, 0x08);
				udelay(500000);	/* 500 ms */
			}
			/*
			 * Select device
			 */
			ide_outb(device, ATA_DEV_HD,
				 ATA_LBA | ATA_DEVICE(device));
			retries++;
#else
			return;
#endif
		}
#ifdef CONFIG_ATAPI
		else
			break;
	}			/* see above - ugly to read */

	if (retries == 2)	/* Not found */
		return;
#endif

	ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS);

	ident_cpy((unsigned char *)dev_desc->revision, iop.fw_rev,
		  sizeof(dev_desc->revision));
	ident_cpy((unsigned char *)dev_desc->vendor, iop.model,
		  sizeof(dev_desc->vendor));
	ident_cpy((unsigned char *)dev_desc->product, iop.serial_no,
		  sizeof(dev_desc->product));
#ifdef __LITTLE_ENDIAN
	/*
	 * firmware revision, model, and serial number have Big Endian Byte
	 * order in Word. Convert all three to little endian.
	 *
	 * See CF+ and CompactFlash Specification Revision 2.0:
	 * 6.2.1.6: Identify Drive, Table 39 for more details
	 */

	strswab(dev_desc->revision);
	strswab(dev_desc->vendor);
	strswab(dev_desc->product);
#endif /* __LITTLE_ENDIAN */

	if ((iop.config & 0x0080) == 0x0080)
		dev_desc->removable = 1;
	else
		dev_desc->removable = 0;

#ifdef CONFIG_ATAPI
	if (dev_desc->if_type == IF_TYPE_ATAPI) {
		atapi_inquiry(dev_desc);
		return;
	}
#endif /* CONFIG_ATAPI */

#ifdef __BIG_ENDIAN
	/* swap shorts */
	dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16);
#else  /* ! __BIG_ENDIAN */
	/*
	 * do not swap shorts on little endian
	 *
	 * See CF+ and CompactFlash Specification Revision 2.0:
	 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
	 */
	dev_desc->lba = iop.lba_capacity;
#endif /* __BIG_ENDIAN */

#ifdef CONFIG_LBA48
	if (iop.command_set_2 & 0x0400) {	/* LBA 48 support */
		dev_desc->lba48 = 1;
		dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] |
			((unsigned long long) iop.lba48_capacity[1] << 16) |
			((unsigned long long) iop.lba48_capacity[2] << 32) |
			((unsigned long long) iop.lba48_capacity[3] << 48);
	} else {
		dev_desc->lba48 = 0;
	}
#endif /* CONFIG_LBA48 */
	/* assuming HD */
	dev_desc->type = DEV_TYPE_HARDDISK;
	dev_desc->blksz = ATA_BLOCKSIZE;
	dev_desc->log2blksz = LOG2(dev_desc->blksz);
	dev_desc->lun = 0;	/* just to fill something in... */

#if 0				/* only used to test the powersaving mode,
				 * if enabled, the drive goes after 5 sec
				 * in standby mode */
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
	c = ide_wait(device, IDE_TIME_OUT);
	ide_outb(device, ATA_SECT_CNT, 1);
	ide_outb(device, ATA_LBA_LOW, 0);
	ide_outb(device, ATA_LBA_MID, 0);
	ide_outb(device, ATA_LBA_HIGH, 0);
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
	ide_outb(device, ATA_COMMAND, 0xe3);
	udelay(50);
	c = ide_wait(device, IDE_TIME_OUT);	/* can't take over 500 ms */
#endif
}

__weak void ide_outb(int dev, int port, unsigned char val)
{
	debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
	      dev, port, val,
	      (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)));

#if defined(CONFIG_IDE_AHB)
	if (port) {
		/* write command */
		ide_write_register(dev, port, val);
	} else {
		/* write data */
		outb(val, (ATA_CURR_BASE(dev)));
	}
#else
	outb(val, (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)));
#endif
}

__weak unsigned char ide_inb(int dev, int port)
{
	uchar val;

#if defined(CONFIG_IDE_AHB)
	val = ide_read_register(dev, port);
#else
	val = inb((ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)));
#endif

	debug("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
	      dev, port,
	      (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)), val);
	return val;
}

void ide_init(void)
{
	unsigned char c;
	int i, bus;

#ifdef CONFIG_IDE_PREINIT
	WATCHDOG_RESET();

	if (ide_preinit()) {
		puts("ide_preinit failed\n");
		return;
	}
#endif /* CONFIG_IDE_PREINIT */

	WATCHDOG_RESET();

	/* ATAPI Drives seems to need a proper IDE Reset */
	ide_reset();

	/*
	 * Wait for IDE to get ready.
	 * According to spec, this can take up to 31 seconds!
	 */
	for (bus = 0; bus < CONFIG_SYS_IDE_MAXBUS; ++bus) {
		int dev =
			bus * (CONFIG_SYS_IDE_MAXDEVICE /
			       CONFIG_SYS_IDE_MAXBUS);

		printf("Bus %d: ", bus);

		ide_bus_ok[bus] = 0;

		/* Select device
		 */
		udelay(100000);	/* 100 ms */
		ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
		udelay(100000);	/* 100 ms */
		i = 0;
		do {
			udelay(10000);	/* 10 ms */

			c = ide_inb(dev, ATA_STATUS);
			i++;
			if (i > (ATA_RESET_TIME * 100)) {
				puts("** Timeout **\n");
				return;
			}
			if ((i >= 100) && ((i % 100) == 0))
				putc('.');

		} while (c & ATA_STAT_BUSY);

		if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
			puts("not available  ");
			debug("Status = 0x%02X ", c);
#ifndef CONFIG_ATAPI		/* ATAPI Devices do not set DRDY */
		} else if ((c & ATA_STAT_READY) == 0) {
			puts("not available  ");
			debug("Status = 0x%02X ", c);
#endif
		} else {
			puts("OK ");
			ide_bus_ok[bus] = 1;
		}
		WATCHDOG_RESET();
	}

	putc('\n');

	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) {
		ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
		ide_dev_desc[i].if_type = IF_TYPE_IDE;
		ide_dev_desc[i].devnum = i;
		ide_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
		ide_dev_desc[i].blksz = 0;
		ide_dev_desc[i].log2blksz =
			LOG2_INVALID(typeof(ide_dev_desc[i].log2blksz));
		ide_dev_desc[i].lba = 0;
#ifndef CONFIG_BLK
		ide_dev_desc[i].block_read = ide_read;
		ide_dev_desc[i].block_write = ide_write;
#endif
		if (!ide_bus_ok[IDE_BUS(i)])
			continue;
		ide_ident(&ide_dev_desc[i]);
		dev_print(&ide_dev_desc[i]);

#ifndef CONFIG_BLK
		if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
			/* initialize partition type */
			part_init(&ide_dev_desc[i]);
		}
#endif
	}
	WATCHDOG_RESET();

#ifdef CONFIG_BLK
	struct udevice *dev;

	uclass_first_device(UCLASS_IDE, &dev);
#endif
}

/* We only need to swap data if we are running on a big endian cpu. */
#if defined(__LITTLE_ENDIAN)
__weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
{
	ide_input_data(dev, sect_buf, words);
}
#else
__weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
{
	volatile ushort *pbuf =
		(ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
	ushort *dbuf = (ushort *)sect_buf;

	debug("in input swap data base for read is %lx\n",
	      (unsigned long) pbuf);

	while (words--) {
#ifdef __MIPS__
		*dbuf++ = swab16p((u16 *)pbuf);
		*dbuf++ = swab16p((u16 *)pbuf);
#else
		*dbuf++ = ld_le16(pbuf);
		*dbuf++ = ld_le16(pbuf);
#endif /* !MIPS */
	}
}
#endif /* __LITTLE_ENDIAN */


#if defined(CONFIG_IDE_SWAP_IO)
__weak void ide_output_data(int dev, const ulong *sect_buf, int words)
{
	ushort *dbuf;
	volatile ushort *pbuf;

	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
	dbuf = (ushort *)sect_buf;
	while (words--) {
		EIEIO;
		*pbuf = *dbuf++;
		EIEIO;
		*pbuf = *dbuf++;
	}
}
#else  /* ! CONFIG_IDE_SWAP_IO */
__weak void ide_output_data(int dev, const ulong *sect_buf, int words)
{
#if defined(CONFIG_IDE_AHB)
	ide_write_data(dev, sect_buf, words);
#else
	outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1);
#endif
}
#endif /* CONFIG_IDE_SWAP_IO */

#if defined(CONFIG_IDE_SWAP_IO)
__weak void ide_input_data(int dev, ulong *sect_buf, int words)
{
	ushort *dbuf;
	volatile ushort *pbuf;

	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
	dbuf = (ushort *)sect_buf;

	debug("in input data base for read is %lx\n", (unsigned long) pbuf);

	while (words--) {
		EIEIO;
		*dbuf++ = *pbuf;
		EIEIO;
		*dbuf++ = *pbuf;
	}
}
#else  /* ! CONFIG_IDE_SWAP_IO */
__weak void ide_input_data(int dev, ulong *sect_buf, int words)
{
#if defined(CONFIG_IDE_AHB)
	ide_read_data(dev, sect_buf, words);
#else
	insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1);
#endif
}

#endif /* CONFIG_IDE_SWAP_IO */

#ifdef CONFIG_BLK
ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
	       void *buffer)
#else
ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
	       void *buffer)
#endif
{
#ifdef CONFIG_BLK
	struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
#endif
	int device = block_dev->devnum;
	ulong n = 0;
	unsigned char c;
	unsigned char pwrsave = 0;	/* power save */

#ifdef CONFIG_LBA48
	unsigned char lba48 = 0;

	if (blknr & 0x0000fffff0000000ULL) {
		/* more than 28 bits used, use 48bit mode */
		lba48 = 1;
	}
#endif
	debug("ide_read dev %d start " LBAF ", blocks " LBAF " buffer at %lX\n",
	      device, blknr, blkcnt, (ulong) buffer);

	/* Select device
	 */
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
	c = ide_wait(device, IDE_TIME_OUT);

	if (c & ATA_STAT_BUSY) {
		printf("IDE read: device %d not ready\n", device);
		goto IDE_READ_E;
	}

	/* first check if the drive is in Powersaving mode, if yes,
	 * increase the timeout value */
	ide_outb(device, ATA_COMMAND, ATA_CMD_CHK_PWR);
	udelay(50);

	c = ide_wait(device, IDE_TIME_OUT);	/* can't take over 500 ms */

	if (c & ATA_STAT_BUSY) {
		printf("IDE read: device %d not ready\n", device);
		goto IDE_READ_E;
	}
	if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
		printf("No Powersaving mode %X\n", c);
	} else {
		c = ide_inb(device, ATA_SECT_CNT);
		debug("Powersaving %02X\n", c);
		if (c == 0)
			pwrsave = 1;
	}


	while (blkcnt-- > 0) {
		c = ide_wait(device, IDE_TIME_OUT);

		if (c & ATA_STAT_BUSY) {
			printf("IDE read: device %d not ready\n", device);
			break;
		}
#ifdef CONFIG_LBA48
		if (lba48) {
			/* write high bits */
			ide_outb(device, ATA_SECT_CNT, 0);
			ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
#ifdef CONFIG_SYS_64BIT_LBA
			ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
			ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
#else
			ide_outb(device, ATA_LBA_MID, 0);
			ide_outb(device, ATA_LBA_HIGH, 0);
#endif
		}
#endif
		ide_outb(device, ATA_SECT_CNT, 1);
		ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
		ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
		ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);

#ifdef CONFIG_LBA48
		if (lba48) {
			ide_outb(device, ATA_DEV_HD,
				 ATA_LBA | ATA_DEVICE(device));
			ide_outb(device, ATA_COMMAND, ATA_CMD_READ_EXT);

		} else
#endif
		{
			ide_outb(device, ATA_DEV_HD, ATA_LBA |
				 ATA_DEVICE(device) | ((blknr >> 24) & 0xF));
			ide_outb(device, ATA_COMMAND, ATA_CMD_READ);
		}

		udelay(50);

		if (pwrsave) {
			/* may take up to 4 sec */
			c = ide_wait(device, IDE_SPIN_UP_TIME_OUT);
			pwrsave = 0;
		} else {
			/* can't take over 500 ms */
			c = ide_wait(device, IDE_TIME_OUT);
		}

		if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
		    ATA_STAT_DRQ) {
			printf("Error (no IRQ) dev %d blk " LBAF
			       ": status %#02x\n", device, blknr, c);
			break;
		}

		ide_input_data(device, buffer, ATA_SECTORWORDS);
		(void) ide_inb(device, ATA_STATUS);	/* clear IRQ */

		++n;
		++blknr;
		buffer += ATA_BLOCKSIZE;
	}
IDE_READ_E:
	return n;
}

#ifdef CONFIG_BLK
ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
		const void *buffer)
#else
ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
		const void *buffer)
#endif
{
#ifdef CONFIG_BLK
	struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
#endif
	int device = block_dev->devnum;
	ulong n = 0;
	unsigned char c;

#ifdef CONFIG_LBA48
	unsigned char lba48 = 0;

	if (blknr & 0x0000fffff0000000ULL) {
		/* more than 28 bits used, use 48bit mode */
		lba48 = 1;
	}
#endif

	/* Select device
	 */
	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));

	while (blkcnt-- > 0) {
		c = ide_wait(device, IDE_TIME_OUT);

		if (c & ATA_STAT_BUSY) {
			printf("IDE read: device %d not ready\n", device);
			goto WR_OUT;
		}
#ifdef CONFIG_LBA48
		if (lba48) {
			/* write high bits */
			ide_outb(device, ATA_SECT_CNT, 0);
			ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
#ifdef CONFIG_SYS_64BIT_LBA
			ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
			ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
#else
			ide_outb(device, ATA_LBA_MID, 0);
			ide_outb(device, ATA_LBA_HIGH, 0);
#endif
		}
#endif
		ide_outb(device, ATA_SECT_CNT, 1);
		ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
		ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
		ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);

#ifdef CONFIG_LBA48
		if (lba48) {
			ide_outb(device, ATA_DEV_HD,
				 ATA_LBA | ATA_DEVICE(device));
			ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE_EXT);

		} else
#endif
		{
			ide_outb(device, ATA_DEV_HD, ATA_LBA |
				 ATA_DEVICE(device) | ((blknr >> 24) & 0xF));
			ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE);
		}

		udelay(50);

		/* can't take over 500 ms */
		c = ide_wait(device, IDE_TIME_OUT);

		if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
		    ATA_STAT_DRQ) {
			printf("Error (no IRQ) dev %d blk " LBAF
			       ": status %#02x\n", device, blknr, c);
			goto WR_OUT;
		}

		ide_output_data(device, buffer, ATA_SECTORWORDS);
		c = ide_inb(device, ATA_STATUS);	/* clear IRQ */
		++n;
		++blknr;
		buffer += ATA_BLOCKSIZE;
	}
WR_OUT:
	return n;
}

#if defined(CONFIG_OF_IDE_FIXUP)
int ide_device_present(int dev)
{
	if (dev >= CONFIG_SYS_IDE_MAXBUS)
		return 0;
	return ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1;
}
#endif

#ifdef CONFIG_BLK
static int ide_blk_probe(struct udevice *udev)
{
	struct blk_desc *desc = dev_get_uclass_platdata(udev);

	/* fill in device vendor/product/rev strings */
	strncpy(desc->vendor, ide_dev_desc[desc->devnum].vendor,
		BLK_VEN_SIZE);
	desc->vendor[BLK_VEN_SIZE] = '\0';
	strncpy(desc->product, ide_dev_desc[desc->devnum].product,
		BLK_PRD_SIZE);
	desc->product[BLK_PRD_SIZE] = '\0';
	strncpy(desc->revision, ide_dev_desc[desc->devnum].revision,
		BLK_REV_SIZE);
	desc->revision[BLK_REV_SIZE] = '\0';

	return 0;
}

static const struct blk_ops ide_blk_ops = {
	.read	= ide_read,
	.write	= ide_write,
};

U_BOOT_DRIVER(ide_blk) = {
	.name		= "ide_blk",
	.id		= UCLASS_BLK,
	.ops		= &ide_blk_ops,
	.probe		= ide_blk_probe,
};

static int ide_probe(struct udevice *udev)
{
	struct udevice *blk_dev;
	char name[20];
	int blksz;
	lbaint_t size;
	int i;
	int ret;

	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) {
		if (ide_dev_desc[i].type != DEV_TYPE_UNKNOWN) {
			sprintf(name, "blk#%d", i);

			blksz = ide_dev_desc[i].blksz;
			size = blksz * ide_dev_desc[i].lba;

			/*
			 * With CDROM, if there is no CD inserted, blksz will
			 * be zero, don't bother to create IDE block device.
			 */
			if (!blksz)
				continue;
			ret = blk_create_devicef(udev, "ide_blk", name,
						 IF_TYPE_IDE, i,
						 blksz, size, &blk_dev);
			if (ret)
				return ret;
		}
	}

	return 0;
}

U_BOOT_DRIVER(ide) = {
	.name		= "ide",
	.id		= UCLASS_IDE,
	.probe		= ide_probe,
};

struct pci_device_id ide_supported[] = {
	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_IDE << 8, 0xffff00) },
	{ }
};

U_BOOT_PCI_DEVICE(ide, ide_supported);

UCLASS_DRIVER(ide) = {
	.name		= "ide",
	.id		= UCLASS_IDE,
};
#else
U_BOOT_LEGACY_BLK(ide) = {
	.if_typename	= "ide",
	.if_type	= IF_TYPE_IDE,
	.max_devs	= CONFIG_SYS_IDE_MAXDEVICE,
	.desc		= ide_dev_desc,
};
#endif