xref: /openbmc/u-boot/drivers/block/ide.c (revision 52a1c2c6)
1 /*
2  * (C) Copyright 2000-2011
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <ata.h>
10 #include <dm.h>
11 #include <ide.h>
12 #include <watchdog.h>
13 #include <asm/io.h>
14 
15 #ifdef __PPC__
16 # define EIEIO		__asm__ volatile ("eieio")
17 # define SYNC		__asm__ volatile ("sync")
18 #else
19 # define EIEIO		/* nothing */
20 # define SYNC		/* nothing */
21 #endif
22 
23 /* Current offset for IDE0 / IDE1 bus access	*/
24 ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
25 #if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
26 	CONFIG_SYS_ATA_IDE0_OFFSET,
27 #endif
28 #if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
29 	CONFIG_SYS_ATA_IDE1_OFFSET,
30 #endif
31 };
32 
33 static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
34 
35 struct blk_desc ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
36 
37 #define IDE_TIME_OUT	2000	/* 2 sec timeout */
38 
39 #define ATAPI_TIME_OUT	7000	/* 7 sec timeout (5 sec seems to work...) */
40 
41 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
42 
43 #ifndef CONFIG_SYS_ATA_PORT_ADDR
44 #define CONFIG_SYS_ATA_PORT_ADDR(port) (port)
45 #endif
46 
47 #ifndef CONFIG_IDE_LED	/* define LED macros, they are not used anyways */
48 # define DEVICE_LED(x) 0
49 # define LED_IDE1 1
50 # define LED_IDE2 2
51 #endif
52 
53 #ifdef CONFIG_IDE_RESET
54 extern void ide_set_reset(int idereset);
55 
56 static void ide_reset(void)
57 {
58 	int i;
59 
60 	for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i)
61 		ide_bus_ok[i] = 0;
62 	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i)
63 		ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
64 
65 	ide_set_reset(1);	/* assert reset */
66 
67 	/* the reset signal shall be asserted for et least 25 us */
68 	udelay(25);
69 
70 	WATCHDOG_RESET();
71 
72 	/* de-assert RESET signal */
73 	ide_set_reset(0);
74 
75 	/* wait 250 ms */
76 	for (i = 0; i < 250; ++i)
77 		udelay(1000);
78 }
79 #else
80 #define ide_reset()	/* dummy */
81 #endif /* CONFIG_IDE_RESET */
82 
83 /*
84  * Wait until Busy bit is off, or timeout (in ms)
85  * Return last status
86  */
87 static uchar ide_wait(int dev, ulong t)
88 {
89 	ulong delay = 10 * t;	/* poll every 100 us */
90 	uchar c;
91 
92 	while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
93 		udelay(100);
94 		if (delay-- == 0)
95 			break;
96 	}
97 	return c;
98 }
99 
100 /*
101  * copy src to dest, skipping leading and trailing blanks and null
102  * terminate the string
103  * "len" is the size of available memory including the terminating '\0'
104  */
105 static void ident_cpy(unsigned char *dst, unsigned char *src,
106 		      unsigned int len)
107 {
108 	unsigned char *end, *last;
109 
110 	last = dst;
111 	end = src + len - 1;
112 
113 	/* reserve space for '\0' */
114 	if (len < 2)
115 		goto OUT;
116 
117 	/* skip leading white space */
118 	while ((*src) && (src < end) && (*src == ' '))
119 		++src;
120 
121 	/* copy string, omitting trailing white space */
122 	while ((*src) && (src < end)) {
123 		*dst++ = *src;
124 		if (*src++ != ' ')
125 			last = dst;
126 	}
127 OUT:
128 	*last = '\0';
129 }
130 
131 #ifdef CONFIG_ATAPI
132 /****************************************************************************
133  * ATAPI Support
134  */
135 
136 #if defined(CONFIG_IDE_SWAP_IO)
137 /* since ATAPI may use commands with not 4 bytes alligned length
138  * we have our own transfer functions, 2 bytes alligned */
139 __weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
140 {
141 	ushort *dbuf;
142 	volatile ushort *pbuf;
143 
144 	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
145 	dbuf = (ushort *)sect_buf;
146 
147 	debug("in output data shorts base for read is %lx\n",
148 	      (unsigned long) pbuf);
149 
150 	while (shorts--) {
151 		EIEIO;
152 		*pbuf = *dbuf++;
153 	}
154 }
155 
156 __weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
157 {
158 	ushort *dbuf;
159 	volatile ushort *pbuf;
160 
161 	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
162 	dbuf = (ushort *)sect_buf;
163 
164 	debug("in input data shorts base for read is %lx\n",
165 	      (unsigned long) pbuf);
166 
167 	while (shorts--) {
168 		EIEIO;
169 		*dbuf++ = *pbuf;
170 	}
171 }
172 
173 #else  /* ! CONFIG_IDE_SWAP_IO */
174 __weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
175 {
176 	outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
177 }
178 
179 __weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
180 {
181 	insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, shorts);
182 }
183 
184 #endif /* CONFIG_IDE_SWAP_IO */
185 
186 /*
187  * Wait until (Status & mask) == res, or timeout (in ms)
188  * Return last status
189  * This is used since some ATAPI CD ROMs clears their Busy Bit first
190  * and then they set their DRQ Bit
191  */
192 static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res)
193 {
194 	ulong delay = 10 * t;	/* poll every 100 us */
195 	uchar c;
196 
197 	/* prevents to read the status before valid */
198 	c = ide_inb(dev, ATA_DEV_CTL);
199 
200 	while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
201 		/* break if error occurs (doesn't make sense to wait more) */
202 		if ((c & ATA_STAT_ERR) == ATA_STAT_ERR)
203 			break;
204 		udelay(100);
205 		if (delay-- == 0)
206 			break;
207 	}
208 	return c;
209 }
210 
211 /*
212  * issue an atapi command
213  */
214 unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen,
215 			  unsigned char *buffer, int buflen)
216 {
217 	unsigned char c, err, mask, res;
218 	int n;
219 
220 	ide_led(DEVICE_LED(device), 1);	/* LED on       */
221 
222 	/* Select device
223 	 */
224 	mask = ATA_STAT_BUSY | ATA_STAT_DRQ;
225 	res = 0;
226 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
227 	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
228 	if ((c & mask) != res) {
229 		printf("ATAPI_ISSUE: device %d not ready status %X\n", device,
230 		       c);
231 		err = 0xFF;
232 		goto AI_OUT;
233 	}
234 	/* write taskfile */
235 	ide_outb(device, ATA_ERROR_REG, 0);	/* no DMA, no overlaped */
236 	ide_outb(device, ATA_SECT_CNT, 0);
237 	ide_outb(device, ATA_SECT_NUM, 0);
238 	ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF));
239 	ide_outb(device, ATA_CYL_HIGH,
240 		 (unsigned char) ((buflen >> 8) & 0xFF));
241 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
242 
243 	ide_outb(device, ATA_COMMAND, ATAPI_CMD_PACKET);
244 	udelay(50);
245 
246 	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
247 	res = ATA_STAT_DRQ;
248 	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
249 
250 	if ((c & mask) != res) {	/* DRQ must be 1, BSY 0 */
251 		printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",
252 		       device, c);
253 		err = 0xFF;
254 		goto AI_OUT;
255 	}
256 
257 	/* write command block */
258 	ide_output_data_shorts(device, (unsigned short *)ccb, ccblen / 2);
259 
260 	/* ATAPI Command written wait for completition */
261 	udelay(5000);		/* device must set bsy */
262 
263 	mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
264 	/*
265 	 * if no data wait for DRQ = 0 BSY = 0
266 	 * if data wait for DRQ = 1 BSY = 0
267 	 */
268 	res = 0;
269 	if (buflen)
270 		res = ATA_STAT_DRQ;
271 	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
272 	if ((c & mask) != res) {
273 		if (c & ATA_STAT_ERR) {
274 			err = (ide_inb(device, ATA_ERROR_REG)) >> 4;
275 			debug("atapi_issue 1 returned sense key %X status %02X\n",
276 			      err, c);
277 		} else {
278 			printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x)  status 0x%02x\n",
279 			       ccb[0], c);
280 			err = 0xFF;
281 		}
282 		goto AI_OUT;
283 	}
284 	n = ide_inb(device, ATA_CYL_HIGH);
285 	n <<= 8;
286 	n += ide_inb(device, ATA_CYL_LOW);
287 	if (n > buflen) {
288 		printf("ERROR, transfer bytes %d requested only %d\n", n,
289 		       buflen);
290 		err = 0xff;
291 		goto AI_OUT;
292 	}
293 	if ((n == 0) && (buflen < 0)) {
294 		printf("ERROR, transfer bytes %d requested %d\n", n, buflen);
295 		err = 0xff;
296 		goto AI_OUT;
297 	}
298 	if (n != buflen) {
299 		debug("WARNING, transfer bytes %d not equal with requested %d\n",
300 		      n, buflen);
301 	}
302 	if (n != 0) {		/* data transfer */
303 		debug("ATAPI_ISSUE: %d Bytes to transfer\n", n);
304 		/* we transfer shorts */
305 		n >>= 1;
306 		/* ok now decide if it is an in or output */
307 		if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) {
308 			debug("Write to device\n");
309 			ide_output_data_shorts(device, (unsigned short *)buffer,
310 					       n);
311 		} else {
312 			debug("Read from device @ %p shorts %d\n", buffer, n);
313 			ide_input_data_shorts(device, (unsigned short *)buffer,
314 					      n);
315 		}
316 	}
317 	udelay(5000);		/* seems that some CD ROMs need this... */
318 	mask = ATA_STAT_BUSY | ATA_STAT_ERR;
319 	res = 0;
320 	c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
321 	if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
322 		err = (ide_inb(device, ATA_ERROR_REG) >> 4);
323 		debug("atapi_issue 2 returned sense key %X status %X\n", err,
324 		      c);
325 	} else {
326 		err = 0;
327 	}
328 AI_OUT:
329 	ide_led(DEVICE_LED(device), 0);	/* LED off      */
330 	return err;
331 }
332 
333 /*
334  * sending the command to atapi_issue. If an status other than good
335  * returns, an request_sense will be issued
336  */
337 
338 #define ATAPI_DRIVE_NOT_READY	100
339 #define ATAPI_UNIT_ATTN		10
340 
341 unsigned char atapi_issue_autoreq(int device,
342 				  unsigned char *ccb,
343 				  int ccblen,
344 				  unsigned char *buffer, int buflen)
345 {
346 	unsigned char sense_data[18], sense_ccb[12];
347 	unsigned char res, key, asc, ascq;
348 	int notready, unitattn;
349 
350 	unitattn = ATAPI_UNIT_ATTN;
351 	notready = ATAPI_DRIVE_NOT_READY;
352 
353 retry:
354 	res = atapi_issue(device, ccb, ccblen, buffer, buflen);
355 	if (res == 0)
356 		return 0;	/* Ok */
357 
358 	if (res == 0xFF)
359 		return 0xFF;	/* error */
360 
361 	debug("(auto_req)atapi_issue returned sense key %X\n", res);
362 
363 	memset(sense_ccb, 0, sizeof(sense_ccb));
364 	memset(sense_data, 0, sizeof(sense_data));
365 	sense_ccb[0] = ATAPI_CMD_REQ_SENSE;
366 	sense_ccb[4] = 18;	/* allocation Length */
367 
368 	res = atapi_issue(device, sense_ccb, 12, sense_data, 18);
369 	key = (sense_data[2] & 0xF);
370 	asc = (sense_data[12]);
371 	ascq = (sense_data[13]);
372 
373 	debug("ATAPI_CMD_REQ_SENSE returned %x\n", res);
374 	debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
375 	      sense_data[0], key, asc, ascq);
376 
377 	if ((key == 0))
378 		return 0;	/* ok device ready */
379 
380 	if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */
381 		if (unitattn-- > 0) {
382 			udelay(200 * 1000);
383 			goto retry;
384 		}
385 		printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN);
386 		goto error;
387 	}
388 	if ((asc == 0x4) && (ascq == 0x1)) {
389 		/* not ready, but will be ready soon */
390 		if (notready-- > 0) {
391 			udelay(200 * 1000);
392 			goto retry;
393 		}
394 		printf("Drive not ready, tried %d times\n",
395 		       ATAPI_DRIVE_NOT_READY);
396 		goto error;
397 	}
398 	if (asc == 0x3a) {
399 		debug("Media not present\n");
400 		goto error;
401 	}
402 
403 	printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc,
404 	       ascq);
405 error:
406 	debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq);
407 	return 0xFF;
408 }
409 
410 /*
411  * atapi_read:
412  * we transfer only one block per command, since the multiple DRQ per
413  * command is not yet implemented
414  */
415 #define ATAPI_READ_MAX_BYTES	2048	/* we read max 2kbytes */
416 #define ATAPI_READ_BLOCK_SIZE	2048	/* assuming CD part */
417 #define ATAPI_READ_MAX_BLOCK	(ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE)
418 
419 ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
420 		 void *buffer)
421 {
422 	int device = block_dev->devnum;
423 	ulong n = 0;
424 	unsigned char ccb[12];	/* Command descriptor block */
425 	ulong cnt;
426 
427 	debug("atapi_read dev %d start " LBAF " blocks " LBAF
428 	      " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer);
429 
430 	do {
431 		if (blkcnt > ATAPI_READ_MAX_BLOCK)
432 			cnt = ATAPI_READ_MAX_BLOCK;
433 		else
434 			cnt = blkcnt;
435 
436 		ccb[0] = ATAPI_CMD_READ_12;
437 		ccb[1] = 0;	/* reserved */
438 		ccb[2] = (unsigned char) (blknr >> 24) & 0xFF;	/* MSB Block */
439 		ccb[3] = (unsigned char) (blknr >> 16) & 0xFF;	/*  */
440 		ccb[4] = (unsigned char) (blknr >> 8) & 0xFF;
441 		ccb[5] = (unsigned char) blknr & 0xFF;	/* LSB Block */
442 		ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */
443 		ccb[7] = (unsigned char) (cnt >> 16) & 0xFF;
444 		ccb[8] = (unsigned char) (cnt >> 8) & 0xFF;
445 		ccb[9] = (unsigned char) cnt & 0xFF;	/* LSB Block */
446 		ccb[10] = 0;	/* reserved */
447 		ccb[11] = 0;	/* reserved */
448 
449 		if (atapi_issue_autoreq(device, ccb, 12,
450 					(unsigned char *)buffer,
451 					cnt * ATAPI_READ_BLOCK_SIZE)
452 		    == 0xFF) {
453 			return n;
454 		}
455 		n += cnt;
456 		blkcnt -= cnt;
457 		blknr += cnt;
458 		buffer += (cnt * ATAPI_READ_BLOCK_SIZE);
459 	} while (blkcnt > 0);
460 	return n;
461 }
462 
463 static void atapi_inquiry(struct blk_desc *dev_desc)
464 {
465 	unsigned char ccb[12];	/* Command descriptor block */
466 	unsigned char iobuf[64];	/* temp buf */
467 	unsigned char c;
468 	int device;
469 
470 	device = dev_desc->devnum;
471 	dev_desc->type = DEV_TYPE_UNKNOWN;	/* not yet valid */
472 #ifndef CONFIG_BLK
473 	dev_desc->block_read = atapi_read;
474 #endif
475 
476 	memset(ccb, 0, sizeof(ccb));
477 	memset(iobuf, 0, sizeof(iobuf));
478 
479 	ccb[0] = ATAPI_CMD_INQUIRY;
480 	ccb[4] = 40;		/* allocation Legnth */
481 	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 40);
482 
483 	debug("ATAPI_CMD_INQUIRY returned %x\n", c);
484 	if (c != 0)
485 		return;
486 
487 	/* copy device ident strings */
488 	ident_cpy((unsigned char *)dev_desc->vendor, &iobuf[8], 8);
489 	ident_cpy((unsigned char *)dev_desc->product, &iobuf[16], 16);
490 	ident_cpy((unsigned char *)dev_desc->revision, &iobuf[32], 5);
491 
492 	dev_desc->lun = 0;
493 	dev_desc->lba = 0;
494 	dev_desc->blksz = 0;
495 	dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz));
496 	dev_desc->type = iobuf[0] & 0x1f;
497 
498 	if ((iobuf[1] & 0x80) == 0x80)
499 		dev_desc->removable = 1;
500 	else
501 		dev_desc->removable = 0;
502 
503 	memset(ccb, 0, sizeof(ccb));
504 	memset(iobuf, 0, sizeof(iobuf));
505 	ccb[0] = ATAPI_CMD_START_STOP;
506 	ccb[4] = 0x03;		/* start */
507 
508 	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);
509 
510 	debug("ATAPI_CMD_START_STOP returned %x\n", c);
511 	if (c != 0)
512 		return;
513 
514 	memset(ccb, 0, sizeof(ccb));
515 	memset(iobuf, 0, sizeof(iobuf));
516 	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);
517 
518 	debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c);
519 	if (c != 0)
520 		return;
521 
522 	memset(ccb, 0, sizeof(ccb));
523 	memset(iobuf, 0, sizeof(iobuf));
524 	ccb[0] = ATAPI_CMD_READ_CAP;
525 	c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 8);
526 	debug("ATAPI_CMD_READ_CAP returned %x\n", c);
527 	if (c != 0)
528 		return;
529 
530 	debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
531 	      iobuf[0], iobuf[1], iobuf[2], iobuf[3],
532 	      iobuf[4], iobuf[5], iobuf[6], iobuf[7]);
533 
534 	dev_desc->lba = ((unsigned long) iobuf[0] << 24) +
535 		((unsigned long) iobuf[1] << 16) +
536 		((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]);
537 	dev_desc->blksz = ((unsigned long) iobuf[4] << 24) +
538 		((unsigned long) iobuf[5] << 16) +
539 		((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]);
540 	dev_desc->log2blksz = LOG2(dev_desc->blksz);
541 #ifdef CONFIG_LBA48
542 	/* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
543 	dev_desc->lba48 = 0;
544 #endif
545 	return;
546 }
547 
548 #endif /* CONFIG_ATAPI */
549 
550 static void ide_ident(struct blk_desc *dev_desc)
551 {
552 	unsigned char c;
553 	hd_driveid_t iop;
554 
555 #ifdef CONFIG_ATAPI
556 	int retries = 0;
557 #endif
558 	int device;
559 
560 	device = dev_desc->devnum;
561 	printf("  Device %d: ", device);
562 
563 	ide_led(DEVICE_LED(device), 1);	/* LED on       */
564 	/* Select device
565 	 */
566 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
567 	dev_desc->if_type = IF_TYPE_IDE;
568 #ifdef CONFIG_ATAPI
569 
570 	retries = 0;
571 
572 	/* Warning: This will be tricky to read */
573 	while (retries <= 1) {
574 		/* check signature */
575 		if ((ide_inb(device, ATA_SECT_CNT) == 0x01) &&
576 		    (ide_inb(device, ATA_SECT_NUM) == 0x01) &&
577 		    (ide_inb(device, ATA_CYL_LOW) == 0x14) &&
578 		    (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) {
579 			/* ATAPI Signature found */
580 			dev_desc->if_type = IF_TYPE_ATAPI;
581 			/*
582 			 * Start Ident Command
583 			 */
584 			ide_outb(device, ATA_COMMAND, ATAPI_CMD_IDENT);
585 			/*
586 			 * Wait for completion - ATAPI devices need more time
587 			 * to become ready
588 			 */
589 			c = ide_wait(device, ATAPI_TIME_OUT);
590 		} else
591 #endif
592 		{
593 			/*
594 			 * Start Ident Command
595 			 */
596 			ide_outb(device, ATA_COMMAND, ATA_CMD_IDENT);
597 
598 			/*
599 			 * Wait for completion
600 			 */
601 			c = ide_wait(device, IDE_TIME_OUT);
602 		}
603 		ide_led(DEVICE_LED(device), 0);	/* LED off      */
604 
605 		if (((c & ATA_STAT_DRQ) == 0) ||
606 		    ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) {
607 #ifdef CONFIG_ATAPI
608 			{
609 				/*
610 				 * Need to soft reset the device
611 				 * in case it's an ATAPI...
612 				 */
613 				debug("Retrying...\n");
614 				ide_outb(device, ATA_DEV_HD,
615 					 ATA_LBA | ATA_DEVICE(device));
616 				udelay(100000);
617 				ide_outb(device, ATA_COMMAND, 0x08);
618 				udelay(500000);	/* 500 ms */
619 			}
620 			/*
621 			 * Select device
622 			 */
623 			ide_outb(device, ATA_DEV_HD,
624 				 ATA_LBA | ATA_DEVICE(device));
625 			retries++;
626 #else
627 			return;
628 #endif
629 		}
630 #ifdef CONFIG_ATAPI
631 		else
632 			break;
633 	}			/* see above - ugly to read */
634 
635 	if (retries == 2)	/* Not found */
636 		return;
637 #endif
638 
639 	ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS);
640 
641 	ident_cpy((unsigned char *)dev_desc->revision, iop.fw_rev,
642 		  sizeof(dev_desc->revision));
643 	ident_cpy((unsigned char *)dev_desc->vendor, iop.model,
644 		  sizeof(dev_desc->vendor));
645 	ident_cpy((unsigned char *)dev_desc->product, iop.serial_no,
646 		  sizeof(dev_desc->product));
647 #ifdef __LITTLE_ENDIAN
648 	/*
649 	 * firmware revision, model, and serial number have Big Endian Byte
650 	 * order in Word. Convert all three to little endian.
651 	 *
652 	 * See CF+ and CompactFlash Specification Revision 2.0:
653 	 * 6.2.1.6: Identify Drive, Table 39 for more details
654 	 */
655 
656 	strswab(dev_desc->revision);
657 	strswab(dev_desc->vendor);
658 	strswab(dev_desc->product);
659 #endif /* __LITTLE_ENDIAN */
660 
661 	if ((iop.config & 0x0080) == 0x0080)
662 		dev_desc->removable = 1;
663 	else
664 		dev_desc->removable = 0;
665 
666 #ifdef CONFIG_ATAPI
667 	if (dev_desc->if_type == IF_TYPE_ATAPI) {
668 		atapi_inquiry(dev_desc);
669 		return;
670 	}
671 #endif /* CONFIG_ATAPI */
672 
673 #ifdef __BIG_ENDIAN
674 	/* swap shorts */
675 	dev_desc->lba = (iop.lba_capacity << 16) | (iop.lba_capacity >> 16);
676 #else  /* ! __BIG_ENDIAN */
677 	/*
678 	 * do not swap shorts on little endian
679 	 *
680 	 * See CF+ and CompactFlash Specification Revision 2.0:
681 	 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
682 	 */
683 	dev_desc->lba = iop.lba_capacity;
684 #endif /* __BIG_ENDIAN */
685 
686 #ifdef CONFIG_LBA48
687 	if (iop.command_set_2 & 0x0400) {	/* LBA 48 support */
688 		dev_desc->lba48 = 1;
689 		dev_desc->lba = (unsigned long long) iop.lba48_capacity[0] |
690 			((unsigned long long) iop.lba48_capacity[1] << 16) |
691 			((unsigned long long) iop.lba48_capacity[2] << 32) |
692 			((unsigned long long) iop.lba48_capacity[3] << 48);
693 	} else {
694 		dev_desc->lba48 = 0;
695 	}
696 #endif /* CONFIG_LBA48 */
697 	/* assuming HD */
698 	dev_desc->type = DEV_TYPE_HARDDISK;
699 	dev_desc->blksz = ATA_BLOCKSIZE;
700 	dev_desc->log2blksz = LOG2(dev_desc->blksz);
701 	dev_desc->lun = 0;	/* just to fill something in... */
702 
703 #if 0				/* only used to test the powersaving mode,
704 				 * if enabled, the drive goes after 5 sec
705 				 * in standby mode */
706 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
707 	c = ide_wait(device, IDE_TIME_OUT);
708 	ide_outb(device, ATA_SECT_CNT, 1);
709 	ide_outb(device, ATA_LBA_LOW, 0);
710 	ide_outb(device, ATA_LBA_MID, 0);
711 	ide_outb(device, ATA_LBA_HIGH, 0);
712 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
713 	ide_outb(device, ATA_COMMAND, 0xe3);
714 	udelay(50);
715 	c = ide_wait(device, IDE_TIME_OUT);	/* can't take over 500 ms */
716 #endif
717 }
718 
719 __weak void ide_led(uchar led, uchar status)
720 {
721 #if defined(CONFIG_IDE_LED) && defined(PER8_BASE) /* required by LED_PORT */
722 	static uchar led_buffer;	/* Buffer for current LED status */
723 
724 	uchar *led_port = LED_PORT;
725 
726 	if (status)		/* switch LED on        */
727 		led_buffer |= led;
728 	else			/* switch LED off       */
729 		led_buffer &= ~led;
730 
731 	*led_port = led_buffer;
732 #endif
733 }
734 
735 __weak void ide_outb(int dev, int port, unsigned char val)
736 {
737 	debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
738 	      dev, port, val,
739 	      (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)));
740 
741 #if defined(CONFIG_IDE_AHB)
742 	if (port) {
743 		/* write command */
744 		ide_write_register(dev, port, val);
745 	} else {
746 		/* write data */
747 		outb(val, (ATA_CURR_BASE(dev)));
748 	}
749 #else
750 	outb(val, (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)));
751 #endif
752 }
753 
754 __weak unsigned char ide_inb(int dev, int port)
755 {
756 	uchar val;
757 
758 #if defined(CONFIG_IDE_AHB)
759 	val = ide_read_register(dev, port);
760 #else
761 	val = inb((ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)));
762 #endif
763 
764 	debug("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
765 	      dev, port,
766 	      (ATA_CURR_BASE(dev) + CONFIG_SYS_ATA_PORT_ADDR(port)), val);
767 	return val;
768 }
769 
770 void ide_init(void)
771 {
772 	unsigned char c;
773 	int i, bus;
774 
775 #ifdef CONFIG_IDE_PREINIT
776 	WATCHDOG_RESET();
777 
778 	if (ide_preinit()) {
779 		puts("ide_preinit failed\n");
780 		return;
781 	}
782 #endif /* CONFIG_IDE_PREINIT */
783 
784 	WATCHDOG_RESET();
785 
786 	/*
787 	 * Reset the IDE just to be sure.
788 	 * Light LED's to show
789 	 */
790 	ide_led((LED_IDE1 | LED_IDE2), 1);	/* LED's on     */
791 
792 	/* ATAPI Drives seems to need a proper IDE Reset */
793 	ide_reset();
794 
795 #ifdef CONFIG_IDE_INIT_POSTRESET
796 	WATCHDOG_RESET();
797 
798 	if (ide_init_postreset()) {
799 		puts("ide_preinit_postreset failed\n");
800 		return;
801 	}
802 #endif /* CONFIG_IDE_INIT_POSTRESET */
803 
804 	/*
805 	 * Wait for IDE to get ready.
806 	 * According to spec, this can take up to 31 seconds!
807 	 */
808 	for (bus = 0; bus < CONFIG_SYS_IDE_MAXBUS; ++bus) {
809 		int dev =
810 			bus * (CONFIG_SYS_IDE_MAXDEVICE /
811 			       CONFIG_SYS_IDE_MAXBUS);
812 
813 		printf("Bus %d: ", bus);
814 
815 		ide_bus_ok[bus] = 0;
816 
817 		/* Select device
818 		 */
819 		udelay(100000);	/* 100 ms */
820 		ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
821 		udelay(100000);	/* 100 ms */
822 		i = 0;
823 		do {
824 			udelay(10000);	/* 10 ms */
825 
826 			c = ide_inb(dev, ATA_STATUS);
827 			i++;
828 			if (i > (ATA_RESET_TIME * 100)) {
829 				puts("** Timeout **\n");
830 				/* LED's off */
831 				ide_led((LED_IDE1 | LED_IDE2), 0);
832 				return;
833 			}
834 			if ((i >= 100) && ((i % 100) == 0))
835 				putc('.');
836 
837 		} while (c & ATA_STAT_BUSY);
838 
839 		if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
840 			puts("not available  ");
841 			debug("Status = 0x%02X ", c);
842 #ifndef CONFIG_ATAPI		/* ATAPI Devices do not set DRDY */
843 		} else if ((c & ATA_STAT_READY) == 0) {
844 			puts("not available  ");
845 			debug("Status = 0x%02X ", c);
846 #endif
847 		} else {
848 			puts("OK ");
849 			ide_bus_ok[bus] = 1;
850 		}
851 		WATCHDOG_RESET();
852 	}
853 
854 	putc('\n');
855 
856 	ide_led((LED_IDE1 | LED_IDE2), 0);	/* LED's off    */
857 
858 	for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) {
859 		int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
860 		ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
861 		ide_dev_desc[i].if_type = IF_TYPE_IDE;
862 		ide_dev_desc[i].devnum = i;
863 		ide_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
864 		ide_dev_desc[i].blksz = 0;
865 		ide_dev_desc[i].log2blksz =
866 			LOG2_INVALID(typeof(ide_dev_desc[i].log2blksz));
867 		ide_dev_desc[i].lba = 0;
868 #ifndef CONFIG_BLK
869 		ide_dev_desc[i].block_read = ide_read;
870 		ide_dev_desc[i].block_write = ide_write;
871 #endif
872 		if (!ide_bus_ok[IDE_BUS(i)])
873 			continue;
874 		ide_led(led, 1);	/* LED on       */
875 		ide_ident(&ide_dev_desc[i]);
876 		ide_led(led, 0);	/* LED off      */
877 		dev_print(&ide_dev_desc[i]);
878 
879 		if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
880 			/* initialize partition type */
881 			part_init(&ide_dev_desc[i]);
882 		}
883 	}
884 	WATCHDOG_RESET();
885 }
886 
887 /* We only need to swap data if we are running on a big endian cpu. */
888 #if defined(__LITTLE_ENDIAN)
889 __weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
890 {
891 	ide_input_data(dev, sect_buf, words);
892 }
893 #else
894 __weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
895 {
896 	volatile ushort *pbuf =
897 		(ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
898 	ushort *dbuf = (ushort *)sect_buf;
899 
900 	debug("in input swap data base for read is %lx\n",
901 	      (unsigned long) pbuf);
902 
903 	while (words--) {
904 #ifdef __MIPS__
905 		*dbuf++ = swab16p((u16 *)pbuf);
906 		*dbuf++ = swab16p((u16 *)pbuf);
907 #else
908 		*dbuf++ = ld_le16(pbuf);
909 		*dbuf++ = ld_le16(pbuf);
910 #endif /* !MIPS */
911 	}
912 }
913 #endif /* __LITTLE_ENDIAN */
914 
915 
916 #if defined(CONFIG_IDE_SWAP_IO)
917 __weak void ide_output_data(int dev, const ulong *sect_buf, int words)
918 {
919 	ushort *dbuf;
920 	volatile ushort *pbuf;
921 
922 	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
923 	dbuf = (ushort *)sect_buf;
924 	while (words--) {
925 		EIEIO;
926 		*pbuf = *dbuf++;
927 		EIEIO;
928 		*pbuf = *dbuf++;
929 	}
930 }
931 #else  /* ! CONFIG_IDE_SWAP_IO */
932 __weak void ide_output_data(int dev, const ulong *sect_buf, int words)
933 {
934 #if defined(CONFIG_IDE_AHB)
935 	ide_write_data(dev, sect_buf, words);
936 #else
937 	outsw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1);
938 #endif
939 }
940 #endif /* CONFIG_IDE_SWAP_IO */
941 
942 #if defined(CONFIG_IDE_SWAP_IO)
943 __weak void ide_input_data(int dev, ulong *sect_buf, int words)
944 {
945 	ushort *dbuf;
946 	volatile ushort *pbuf;
947 
948 	pbuf = (ushort *)(ATA_CURR_BASE(dev) + ATA_DATA_REG);
949 	dbuf = (ushort *)sect_buf;
950 
951 	debug("in input data base for read is %lx\n", (unsigned long) pbuf);
952 
953 	while (words--) {
954 		EIEIO;
955 		*dbuf++ = *pbuf;
956 		EIEIO;
957 		*dbuf++ = *pbuf;
958 	}
959 }
960 #else  /* ! CONFIG_IDE_SWAP_IO */
961 __weak void ide_input_data(int dev, ulong *sect_buf, int words)
962 {
963 #if defined(CONFIG_IDE_AHB)
964 	ide_read_data(dev, sect_buf, words);
965 #else
966 	insw(ATA_CURR_BASE(dev) + ATA_DATA_REG, sect_buf, words << 1);
967 #endif
968 }
969 
970 #endif /* CONFIG_IDE_SWAP_IO */
971 
972 #ifdef CONFIG_BLK
973 ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
974 	       void *buffer)
975 #else
976 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
977 	       void *buffer)
978 #endif
979 {
980 #ifdef CONFIG_BLK
981 	struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
982 #endif
983 	int device = block_dev->devnum;
984 	ulong n = 0;
985 	unsigned char c;
986 	unsigned char pwrsave = 0;	/* power save */
987 
988 #ifdef CONFIG_LBA48
989 	unsigned char lba48 = 0;
990 
991 	if (blknr & 0x0000fffff0000000ULL) {
992 		/* more than 28 bits used, use 48bit mode */
993 		lba48 = 1;
994 	}
995 #endif
996 	debug("ide_read dev %d start " LBAF ", blocks " LBAF " buffer at %lX\n",
997 	      device, blknr, blkcnt, (ulong) buffer);
998 
999 	ide_led(DEVICE_LED(device), 1);	/* LED on       */
1000 
1001 	/* Select device
1002 	 */
1003 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1004 	c = ide_wait(device, IDE_TIME_OUT);
1005 
1006 	if (c & ATA_STAT_BUSY) {
1007 		printf("IDE read: device %d not ready\n", device);
1008 		goto IDE_READ_E;
1009 	}
1010 
1011 	/* first check if the drive is in Powersaving mode, if yes,
1012 	 * increase the timeout value */
1013 	ide_outb(device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1014 	udelay(50);
1015 
1016 	c = ide_wait(device, IDE_TIME_OUT);	/* can't take over 500 ms */
1017 
1018 	if (c & ATA_STAT_BUSY) {
1019 		printf("IDE read: device %d not ready\n", device);
1020 		goto IDE_READ_E;
1021 	}
1022 	if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1023 		printf("No Powersaving mode %X\n", c);
1024 	} else {
1025 		c = ide_inb(device, ATA_SECT_CNT);
1026 		debug("Powersaving %02X\n", c);
1027 		if (c == 0)
1028 			pwrsave = 1;
1029 	}
1030 
1031 
1032 	while (blkcnt-- > 0) {
1033 		c = ide_wait(device, IDE_TIME_OUT);
1034 
1035 		if (c & ATA_STAT_BUSY) {
1036 			printf("IDE read: device %d not ready\n", device);
1037 			break;
1038 		}
1039 #ifdef CONFIG_LBA48
1040 		if (lba48) {
1041 			/* write high bits */
1042 			ide_outb(device, ATA_SECT_CNT, 0);
1043 			ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1044 #ifdef CONFIG_SYS_64BIT_LBA
1045 			ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1046 			ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1047 #else
1048 			ide_outb(device, ATA_LBA_MID, 0);
1049 			ide_outb(device, ATA_LBA_HIGH, 0);
1050 #endif
1051 		}
1052 #endif
1053 		ide_outb(device, ATA_SECT_CNT, 1);
1054 		ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1055 		ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1056 		ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1057 
1058 #ifdef CONFIG_LBA48
1059 		if (lba48) {
1060 			ide_outb(device, ATA_DEV_HD,
1061 				 ATA_LBA | ATA_DEVICE(device));
1062 			ide_outb(device, ATA_COMMAND, ATA_CMD_READ_EXT);
1063 
1064 		} else
1065 #endif
1066 		{
1067 			ide_outb(device, ATA_DEV_HD, ATA_LBA |
1068 				 ATA_DEVICE(device) | ((blknr >> 24) & 0xF));
1069 			ide_outb(device, ATA_COMMAND, ATA_CMD_READ);
1070 		}
1071 
1072 		udelay(50);
1073 
1074 		if (pwrsave) {
1075 			/* may take up to 4 sec */
1076 			c = ide_wait(device, IDE_SPIN_UP_TIME_OUT);
1077 			pwrsave = 0;
1078 		} else {
1079 			/* can't take over 500 ms */
1080 			c = ide_wait(device, IDE_TIME_OUT);
1081 		}
1082 
1083 		if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
1084 		    ATA_STAT_DRQ) {
1085 			printf("Error (no IRQ) dev %d blk " LBAF
1086 			       ": status %#02x\n", device, blknr, c);
1087 			break;
1088 		}
1089 
1090 		ide_input_data(device, buffer, ATA_SECTORWORDS);
1091 		(void) ide_inb(device, ATA_STATUS);	/* clear IRQ */
1092 
1093 		++n;
1094 		++blknr;
1095 		buffer += ATA_BLOCKSIZE;
1096 	}
1097 IDE_READ_E:
1098 	ide_led(DEVICE_LED(device), 0);	/* LED off      */
1099 	return n;
1100 }
1101 
1102 #ifdef CONFIG_BLK
1103 ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
1104 		const void *buffer)
1105 #else
1106 ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
1107 		const void *buffer)
1108 #endif
1109 {
1110 #ifdef CONFIG_BLK
1111 	struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
1112 #endif
1113 	int device = block_dev->devnum;
1114 	ulong n = 0;
1115 	unsigned char c;
1116 
1117 #ifdef CONFIG_LBA48
1118 	unsigned char lba48 = 0;
1119 
1120 	if (blknr & 0x0000fffff0000000ULL) {
1121 		/* more than 28 bits used, use 48bit mode */
1122 		lba48 = 1;
1123 	}
1124 #endif
1125 
1126 	ide_led(DEVICE_LED(device), 1);	/* LED on       */
1127 
1128 	/* Select device
1129 	 */
1130 	ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1131 
1132 	while (blkcnt-- > 0) {
1133 		c = ide_wait(device, IDE_TIME_OUT);
1134 
1135 		if (c & ATA_STAT_BUSY) {
1136 			printf("IDE read: device %d not ready\n", device);
1137 			goto WR_OUT;
1138 		}
1139 #ifdef CONFIG_LBA48
1140 		if (lba48) {
1141 			/* write high bits */
1142 			ide_outb(device, ATA_SECT_CNT, 0);
1143 			ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1144 #ifdef CONFIG_SYS_64BIT_LBA
1145 			ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1146 			ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1147 #else
1148 			ide_outb(device, ATA_LBA_MID, 0);
1149 			ide_outb(device, ATA_LBA_HIGH, 0);
1150 #endif
1151 		}
1152 #endif
1153 		ide_outb(device, ATA_SECT_CNT, 1);
1154 		ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1155 		ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1156 		ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1157 
1158 #ifdef CONFIG_LBA48
1159 		if (lba48) {
1160 			ide_outb(device, ATA_DEV_HD,
1161 				 ATA_LBA | ATA_DEVICE(device));
1162 			ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1163 
1164 		} else
1165 #endif
1166 		{
1167 			ide_outb(device, ATA_DEV_HD, ATA_LBA |
1168 				 ATA_DEVICE(device) | ((blknr >> 24) & 0xF));
1169 			ide_outb(device, ATA_COMMAND, ATA_CMD_WRITE);
1170 		}
1171 
1172 		udelay(50);
1173 
1174 		/* can't take over 500 ms */
1175 		c = ide_wait(device, IDE_TIME_OUT);
1176 
1177 		if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
1178 		    ATA_STAT_DRQ) {
1179 			printf("Error (no IRQ) dev %d blk " LBAF
1180 			       ": status %#02x\n", device, blknr, c);
1181 			goto WR_OUT;
1182 		}
1183 
1184 		ide_output_data(device, buffer, ATA_SECTORWORDS);
1185 		c = ide_inb(device, ATA_STATUS);	/* clear IRQ */
1186 		++n;
1187 		++blknr;
1188 		buffer += ATA_BLOCKSIZE;
1189 	}
1190 WR_OUT:
1191 	ide_led(DEVICE_LED(device), 0);	/* LED off      */
1192 	return n;
1193 }
1194 
1195 #if defined(CONFIG_OF_IDE_FIXUP)
1196 int ide_device_present(int dev)
1197 {
1198 	if (dev >= CONFIG_SYS_IDE_MAXBUS)
1199 		return 0;
1200 	return ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1;
1201 }
1202 #endif
1203 
1204 #ifdef CONFIG_BLK
1205 static const struct blk_ops ide_blk_ops = {
1206 	.read	= ide_read,
1207 	.write	= ide_write,
1208 };
1209 
1210 U_BOOT_DRIVER(ide_blk) = {
1211 	.name		= "ide_blk",
1212 	.id		= UCLASS_BLK,
1213 	.ops		= &ide_blk_ops,
1214 };
1215 #else
1216 U_BOOT_LEGACY_BLK(ide) = {
1217 	.if_typename	= "ide",
1218 	.if_type	= IF_TYPE_IDE,
1219 	.max_devs	= CONFIG_SYS_IDE_MAXDEVICE,
1220 	.desc		= ide_dev_desc,
1221 };
1222 #endif
1223