blob: 13a1cb4b9e4113ea660199709a259642347c5745 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glasse11f0ef2016-05-01 11:36:10 -06002/*
3 * (C) Copyright 2000-2011
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
Simon Glasse11f0ef2016-05-01 11:36:10 -06005 */
6
Patrick Delaunay81313352021-04-27 11:02:19 +02007#define LOG_CATEGORY UCLASS_IDE
8
Simon Glasse11f0ef2016-05-01 11:36:10 -06009#include <common.h>
10#include <ata.h>
Simon Glass655306c2020-05-10 11:39:58 -060011#include <blk.h>
Simon Glassf94bea02016-05-01 11:36:22 -060012#include <dm.h>
Simon Glasse11f0ef2016-05-01 11:36:10 -060013#include <ide.h>
Simon Glass0f2af882020-05-10 11:40:05 -060014#include <log.h>
Simon Glass655306c2020-05-10 11:39:58 -060015#include <part.h>
Simon Glasse11f0ef2016-05-01 11:36:10 -060016#include <watchdog.h>
17#include <asm/io.h>
Simon Glassdbd79542020-05-10 11:40:11 -060018#include <linux/delay.h>
Simon Glasse11f0ef2016-05-01 11:36:10 -060019
20#ifdef __PPC__
21# define EIEIO __asm__ volatile ("eieio")
22# define SYNC __asm__ volatile ("sync")
23#else
24# define EIEIO /* nothing */
25# define SYNC /* nothing */
26#endif
27
28/* Current offset for IDE0 / IDE1 bus access */
29ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS] = {
30#if defined(CONFIG_SYS_ATA_IDE0_OFFSET)
31 CONFIG_SYS_ATA_IDE0_OFFSET,
32#endif
33#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) && (CONFIG_SYS_IDE_MAXBUS > 1)
34 CONFIG_SYS_ATA_IDE1_OFFSET,
35#endif
36};
37
38static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
39
40struct blk_desc ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
41
42#define IDE_TIME_OUT 2000 /* 2 sec timeout */
43
44#define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
45
46#define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
47
Simon Glasse11f0ef2016-05-01 11:36:10 -060048#ifdef CONFIG_IDE_RESET
49extern void ide_set_reset(int idereset);
50
51static void ide_reset(void)
52{
53 int i;
54
55 for (i = 0; i < CONFIG_SYS_IDE_MAXBUS; ++i)
56 ide_bus_ok[i] = 0;
57 for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i)
58 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
59
60 ide_set_reset(1); /* assert reset */
61
62 /* the reset signal shall be asserted for et least 25 us */
63 udelay(25);
64
Stefan Roese80877fa2022-09-02 14:10:46 +020065 schedule();
Simon Glasse11f0ef2016-05-01 11:36:10 -060066
67 /* de-assert RESET signal */
68 ide_set_reset(0);
69
70 /* wait 250 ms */
71 for (i = 0; i < 250; ++i)
72 udelay(1000);
73}
74#else
75#define ide_reset() /* dummy */
76#endif /* CONFIG_IDE_RESET */
77
78/*
79 * Wait until Busy bit is off, or timeout (in ms)
80 * Return last status
81 */
82static uchar ide_wait(int dev, ulong t)
83{
84 ulong delay = 10 * t; /* poll every 100 us */
85 uchar c;
86
87 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
88 udelay(100);
89 if (delay-- == 0)
90 break;
91 }
92 return c;
93}
94
95/*
96 * copy src to dest, skipping leading and trailing blanks and null
97 * terminate the string
98 * "len" is the size of available memory including the terminating '\0'
99 */
100static void ident_cpy(unsigned char *dst, unsigned char *src,
101 unsigned int len)
102{
103 unsigned char *end, *last;
104
105 last = dst;
106 end = src + len - 1;
107
108 /* reserve space for '\0' */
109 if (len < 2)
110 goto OUT;
111
112 /* skip leading white space */
113 while ((*src) && (src < end) && (*src == ' '))
114 ++src;
115
116 /* copy string, omitting trailing white space */
117 while ((*src) && (src < end)) {
118 *dst++ = *src;
119 if (*src++ != ' ')
120 last = dst;
121 }
122OUT:
123 *last = '\0';
124}
125
126#ifdef CONFIG_ATAPI
127/****************************************************************************
128 * ATAPI Support
129 */
130
Simon Glasse11f0ef2016-05-01 11:36:10 -0600131/* since ATAPI may use commands with not 4 bytes alligned length
132 * we have our own transfer functions, 2 bytes alligned */
133__weak void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts)
134{
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100135 uintptr_t paddr = (ATA_CURR_BASE(dev) + ATA_DATA_REG);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600136 ushort *dbuf;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600137
Simon Glasse11f0ef2016-05-01 11:36:10 -0600138 dbuf = (ushort *)sect_buf;
139
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100140 debug("in output data shorts base for read is %p\n", (void *)paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600141
142 while (shorts--) {
143 EIEIO;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100144 outw(cpu_to_le16(*dbuf++), paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600145 }
146}
147
148__weak void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts)
149{
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100150 uintptr_t paddr = (ATA_CURR_BASE(dev) + ATA_DATA_REG);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600151 ushort *dbuf;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600152
Simon Glasse11f0ef2016-05-01 11:36:10 -0600153 dbuf = (ushort *)sect_buf;
154
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100155 debug("in input data shorts base for read is %p\n", (void *)paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600156
157 while (shorts--) {
158 EIEIO;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100159 *dbuf++ = le16_to_cpu(inw(paddr));
Simon Glasse11f0ef2016-05-01 11:36:10 -0600160 }
161}
162
Simon Glasse11f0ef2016-05-01 11:36:10 -0600163/*
164 * Wait until (Status & mask) == res, or timeout (in ms)
165 * Return last status
166 * This is used since some ATAPI CD ROMs clears their Busy Bit first
167 * and then they set their DRQ Bit
168 */
169static uchar atapi_wait_mask(int dev, ulong t, uchar mask, uchar res)
170{
171 ulong delay = 10 * t; /* poll every 100 us */
172 uchar c;
173
174 /* prevents to read the status before valid */
175 c = ide_inb(dev, ATA_DEV_CTL);
176
177 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
178 /* break if error occurs (doesn't make sense to wait more) */
179 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR)
180 break;
181 udelay(100);
182 if (delay-- == 0)
183 break;
184 }
185 return c;
186}
187
188/*
189 * issue an atapi command
190 */
191unsigned char atapi_issue(int device, unsigned char *ccb, int ccblen,
192 unsigned char *buffer, int buflen)
193{
194 unsigned char c, err, mask, res;
195 int n;
196
Simon Glasse11f0ef2016-05-01 11:36:10 -0600197 /* Select device
198 */
199 mask = ATA_STAT_BUSY | ATA_STAT_DRQ;
200 res = 0;
201 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
202 c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
203 if ((c & mask) != res) {
204 printf("ATAPI_ISSUE: device %d not ready status %X\n", device,
205 c);
206 err = 0xFF;
207 goto AI_OUT;
208 }
209 /* write taskfile */
210 ide_outb(device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
211 ide_outb(device, ATA_SECT_CNT, 0);
212 ide_outb(device, ATA_SECT_NUM, 0);
213 ide_outb(device, ATA_CYL_LOW, (unsigned char) (buflen & 0xFF));
214 ide_outb(device, ATA_CYL_HIGH,
215 (unsigned char) ((buflen >> 8) & 0xFF));
216 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
217
Heinrich Schuchardt203d83a2020-02-27 18:28:00 +0100218 ide_outb(device, ATA_COMMAND, ATA_CMD_PACKET);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600219 udelay(50);
220
221 mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
222 res = ATA_STAT_DRQ;
223 c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
224
225 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
226 printf("ATAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",
227 device, c);
228 err = 0xFF;
229 goto AI_OUT;
230 }
231
232 /* write command block */
233 ide_output_data_shorts(device, (unsigned short *)ccb, ccblen / 2);
234
235 /* ATAPI Command written wait for completition */
236 udelay(5000); /* device must set bsy */
237
238 mask = ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR;
239 /*
240 * if no data wait for DRQ = 0 BSY = 0
241 * if data wait for DRQ = 1 BSY = 0
242 */
243 res = 0;
244 if (buflen)
245 res = ATA_STAT_DRQ;
246 c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
247 if ((c & mask) != res) {
248 if (c & ATA_STAT_ERR) {
249 err = (ide_inb(device, ATA_ERROR_REG)) >> 4;
250 debug("atapi_issue 1 returned sense key %X status %02X\n",
251 err, c);
252 } else {
253 printf("ATAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n",
254 ccb[0], c);
255 err = 0xFF;
256 }
257 goto AI_OUT;
258 }
259 n = ide_inb(device, ATA_CYL_HIGH);
260 n <<= 8;
261 n += ide_inb(device, ATA_CYL_LOW);
262 if (n > buflen) {
263 printf("ERROR, transfer bytes %d requested only %d\n", n,
264 buflen);
265 err = 0xff;
266 goto AI_OUT;
267 }
268 if ((n == 0) && (buflen < 0)) {
269 printf("ERROR, transfer bytes %d requested %d\n", n, buflen);
270 err = 0xff;
271 goto AI_OUT;
272 }
273 if (n != buflen) {
274 debug("WARNING, transfer bytes %d not equal with requested %d\n",
275 n, buflen);
276 }
277 if (n != 0) { /* data transfer */
278 debug("ATAPI_ISSUE: %d Bytes to transfer\n", n);
279 /* we transfer shorts */
280 n >>= 1;
281 /* ok now decide if it is an in or output */
282 if ((ide_inb(device, ATA_SECT_CNT) & 0x02) == 0) {
283 debug("Write to device\n");
284 ide_output_data_shorts(device, (unsigned short *)buffer,
285 n);
286 } else {
287 debug("Read from device @ %p shorts %d\n", buffer, n);
288 ide_input_data_shorts(device, (unsigned short *)buffer,
289 n);
290 }
291 }
292 udelay(5000); /* seems that some CD ROMs need this... */
293 mask = ATA_STAT_BUSY | ATA_STAT_ERR;
294 res = 0;
295 c = atapi_wait_mask(device, ATAPI_TIME_OUT, mask, res);
296 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
297 err = (ide_inb(device, ATA_ERROR_REG) >> 4);
298 debug("atapi_issue 2 returned sense key %X status %X\n", err,
299 c);
300 } else {
301 err = 0;
302 }
303AI_OUT:
Simon Glasse11f0ef2016-05-01 11:36:10 -0600304 return err;
305}
306
307/*
308 * sending the command to atapi_issue. If an status other than good
309 * returns, an request_sense will be issued
310 */
311
312#define ATAPI_DRIVE_NOT_READY 100
313#define ATAPI_UNIT_ATTN 10
314
315unsigned char atapi_issue_autoreq(int device,
316 unsigned char *ccb,
317 int ccblen,
318 unsigned char *buffer, int buflen)
319{
320 unsigned char sense_data[18], sense_ccb[12];
321 unsigned char res, key, asc, ascq;
322 int notready, unitattn;
323
324 unitattn = ATAPI_UNIT_ATTN;
325 notready = ATAPI_DRIVE_NOT_READY;
326
327retry:
328 res = atapi_issue(device, ccb, ccblen, buffer, buflen);
329 if (res == 0)
330 return 0; /* Ok */
331
332 if (res == 0xFF)
333 return 0xFF; /* error */
334
335 debug("(auto_req)atapi_issue returned sense key %X\n", res);
336
337 memset(sense_ccb, 0, sizeof(sense_ccb));
338 memset(sense_data, 0, sizeof(sense_data));
339 sense_ccb[0] = ATAPI_CMD_REQ_SENSE;
340 sense_ccb[4] = 18; /* allocation Length */
341
342 res = atapi_issue(device, sense_ccb, 12, sense_data, 18);
343 key = (sense_data[2] & 0xF);
344 asc = (sense_data[12]);
345 ascq = (sense_data[13]);
346
347 debug("ATAPI_CMD_REQ_SENSE returned %x\n", res);
348 debug(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
349 sense_data[0], key, asc, ascq);
350
351 if ((key == 0))
352 return 0; /* ok device ready */
353
354 if ((key == 6) || (asc == 0x29) || (asc == 0x28)) { /* Unit Attention */
355 if (unitattn-- > 0) {
356 udelay(200 * 1000);
357 goto retry;
358 }
359 printf("Unit Attention, tried %d\n", ATAPI_UNIT_ATTN);
360 goto error;
361 }
362 if ((asc == 0x4) && (ascq == 0x1)) {
363 /* not ready, but will be ready soon */
364 if (notready-- > 0) {
365 udelay(200 * 1000);
366 goto retry;
367 }
368 printf("Drive not ready, tried %d times\n",
369 ATAPI_DRIVE_NOT_READY);
370 goto error;
371 }
372 if (asc == 0x3a) {
373 debug("Media not present\n");
374 goto error;
375 }
376
377 printf("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n", key, asc,
378 ascq);
379error:
380 debug("ERROR Sense key %02X ASC %02X ASCQ %02X\n", key, asc, ascq);
381 return 0xFF;
382}
383
384/*
385 * atapi_read:
386 * we transfer only one block per command, since the multiple DRQ per
387 * command is not yet implemented
388 */
389#define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
390#define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
391#define ATAPI_READ_MAX_BLOCK (ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE)
392
393ulong atapi_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
394 void *buffer)
395{
396 int device = block_dev->devnum;
397 ulong n = 0;
398 unsigned char ccb[12]; /* Command descriptor block */
399 ulong cnt;
400
401 debug("atapi_read dev %d start " LBAF " blocks " LBAF
402 " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer);
403
404 do {
405 if (blkcnt > ATAPI_READ_MAX_BLOCK)
406 cnt = ATAPI_READ_MAX_BLOCK;
407 else
408 cnt = blkcnt;
409
410 ccb[0] = ATAPI_CMD_READ_12;
411 ccb[1] = 0; /* reserved */
412 ccb[2] = (unsigned char) (blknr >> 24) & 0xFF; /* MSB Block */
413 ccb[3] = (unsigned char) (blknr >> 16) & 0xFF; /* */
414 ccb[4] = (unsigned char) (blknr >> 8) & 0xFF;
415 ccb[5] = (unsigned char) blknr & 0xFF; /* LSB Block */
416 ccb[6] = (unsigned char) (cnt >> 24) & 0xFF; /* MSB Block cnt */
417 ccb[7] = (unsigned char) (cnt >> 16) & 0xFF;
418 ccb[8] = (unsigned char) (cnt >> 8) & 0xFF;
419 ccb[9] = (unsigned char) cnt & 0xFF; /* LSB Block */
420 ccb[10] = 0; /* reserved */
421 ccb[11] = 0; /* reserved */
422
423 if (atapi_issue_autoreq(device, ccb, 12,
424 (unsigned char *)buffer,
425 cnt * ATAPI_READ_BLOCK_SIZE)
426 == 0xFF) {
427 return n;
428 }
429 n += cnt;
430 blkcnt -= cnt;
431 blknr += cnt;
432 buffer += (cnt * ATAPI_READ_BLOCK_SIZE);
433 } while (blkcnt > 0);
434 return n;
435}
436
437static void atapi_inquiry(struct blk_desc *dev_desc)
438{
439 unsigned char ccb[12]; /* Command descriptor block */
440 unsigned char iobuf[64]; /* temp buf */
441 unsigned char c;
442 int device;
443
444 device = dev_desc->devnum;
445 dev_desc->type = DEV_TYPE_UNKNOWN; /* not yet valid */
Simon Glasse11f0ef2016-05-01 11:36:10 -0600446
447 memset(ccb, 0, sizeof(ccb));
448 memset(iobuf, 0, sizeof(iobuf));
449
450 ccb[0] = ATAPI_CMD_INQUIRY;
451 ccb[4] = 40; /* allocation Legnth */
452 c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 40);
453
454 debug("ATAPI_CMD_INQUIRY returned %x\n", c);
455 if (c != 0)
456 return;
457
458 /* copy device ident strings */
459 ident_cpy((unsigned char *)dev_desc->vendor, &iobuf[8], 8);
460 ident_cpy((unsigned char *)dev_desc->product, &iobuf[16], 16);
461 ident_cpy((unsigned char *)dev_desc->revision, &iobuf[32], 5);
462
463 dev_desc->lun = 0;
464 dev_desc->lba = 0;
465 dev_desc->blksz = 0;
466 dev_desc->log2blksz = LOG2_INVALID(typeof(dev_desc->log2blksz));
467 dev_desc->type = iobuf[0] & 0x1f;
468
469 if ((iobuf[1] & 0x80) == 0x80)
470 dev_desc->removable = 1;
471 else
472 dev_desc->removable = 0;
473
474 memset(ccb, 0, sizeof(ccb));
475 memset(iobuf, 0, sizeof(iobuf));
476 ccb[0] = ATAPI_CMD_START_STOP;
477 ccb[4] = 0x03; /* start */
478
479 c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);
480
481 debug("ATAPI_CMD_START_STOP returned %x\n", c);
482 if (c != 0)
483 return;
484
485 memset(ccb, 0, sizeof(ccb));
486 memset(iobuf, 0, sizeof(iobuf));
487 c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 0);
488
489 debug("ATAPI_CMD_UNIT_TEST_READY returned %x\n", c);
490 if (c != 0)
491 return;
492
493 memset(ccb, 0, sizeof(ccb));
494 memset(iobuf, 0, sizeof(iobuf));
495 ccb[0] = ATAPI_CMD_READ_CAP;
496 c = atapi_issue_autoreq(device, ccb, 12, (unsigned char *)iobuf, 8);
497 debug("ATAPI_CMD_READ_CAP returned %x\n", c);
498 if (c != 0)
499 return;
500
501 debug("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
502 iobuf[0], iobuf[1], iobuf[2], iobuf[3],
503 iobuf[4], iobuf[5], iobuf[6], iobuf[7]);
504
505 dev_desc->lba = ((unsigned long) iobuf[0] << 24) +
506 ((unsigned long) iobuf[1] << 16) +
507 ((unsigned long) iobuf[2] << 8) + ((unsigned long) iobuf[3]);
508 dev_desc->blksz = ((unsigned long) iobuf[4] << 24) +
509 ((unsigned long) iobuf[5] << 16) +
510 ((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]);
511 dev_desc->log2blksz = LOG2(dev_desc->blksz);
512#ifdef CONFIG_LBA48
513 /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
514 dev_desc->lba48 = 0;
515#endif
516 return;
517}
518
519#endif /* CONFIG_ATAPI */
520
521static void ide_ident(struct blk_desc *dev_desc)
522{
523 unsigned char c;
524 hd_driveid_t iop;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600525#ifdef CONFIG_ATAPI
Simon Glass0cdb2932022-08-11 19:34:53 -0600526 bool is_atapi = false;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600527 int retries = 0;
528#endif
529 int device;
530
531 device = dev_desc->devnum;
532 printf(" Device %d: ", device);
533
Simon Glasse11f0ef2016-05-01 11:36:10 -0600534 /* Select device
535 */
536 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
Simon Glassfada3f92022-09-17 09:00:09 -0600537 dev_desc->uclass_id = UCLASS_IDE;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600538#ifdef CONFIG_ATAPI
539
540 retries = 0;
541
542 /* Warning: This will be tricky to read */
543 while (retries <= 1) {
544 /* check signature */
545 if ((ide_inb(device, ATA_SECT_CNT) == 0x01) &&
546 (ide_inb(device, ATA_SECT_NUM) == 0x01) &&
547 (ide_inb(device, ATA_CYL_LOW) == 0x14) &&
548 (ide_inb(device, ATA_CYL_HIGH) == 0xEB)) {
549 /* ATAPI Signature found */
Simon Glass0cdb2932022-08-11 19:34:53 -0600550 is_atapi = true;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600551 /*
552 * Start Ident Command
553 */
Heinrich Schuchardt203d83a2020-02-27 18:28:00 +0100554 ide_outb(device, ATA_COMMAND, ATA_CMD_ID_ATAPI);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600555 /*
556 * Wait for completion - ATAPI devices need more time
557 * to become ready
558 */
559 c = ide_wait(device, ATAPI_TIME_OUT);
560 } else
561#endif
562 {
563 /*
564 * Start Ident Command
565 */
Heinrich Schuchardt203d83a2020-02-27 18:28:00 +0100566 ide_outb(device, ATA_COMMAND, ATA_CMD_ID_ATA);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600567
568 /*
569 * Wait for completion
570 */
571 c = ide_wait(device, IDE_TIME_OUT);
572 }
Simon Glasse11f0ef2016-05-01 11:36:10 -0600573
574 if (((c & ATA_STAT_DRQ) == 0) ||
575 ((c & (ATA_STAT_FAULT | ATA_STAT_ERR)) != 0)) {
576#ifdef CONFIG_ATAPI
577 {
578 /*
579 * Need to soft reset the device
580 * in case it's an ATAPI...
581 */
582 debug("Retrying...\n");
583 ide_outb(device, ATA_DEV_HD,
584 ATA_LBA | ATA_DEVICE(device));
585 udelay(100000);
586 ide_outb(device, ATA_COMMAND, 0x08);
587 udelay(500000); /* 500 ms */
588 }
589 /*
590 * Select device
591 */
592 ide_outb(device, ATA_DEV_HD,
593 ATA_LBA | ATA_DEVICE(device));
594 retries++;
595#else
596 return;
597#endif
598 }
599#ifdef CONFIG_ATAPI
600 else
601 break;
602 } /* see above - ugly to read */
603
604 if (retries == 2) /* Not found */
605 return;
606#endif
607
608 ide_input_swap_data(device, (ulong *)&iop, ATA_SECTORWORDS);
609
610 ident_cpy((unsigned char *)dev_desc->revision, iop.fw_rev,
611 sizeof(dev_desc->revision));
612 ident_cpy((unsigned char *)dev_desc->vendor, iop.model,
613 sizeof(dev_desc->vendor));
614 ident_cpy((unsigned char *)dev_desc->product, iop.serial_no,
615 sizeof(dev_desc->product));
Simon Glasse11f0ef2016-05-01 11:36:10 -0600616
617 if ((iop.config & 0x0080) == 0x0080)
618 dev_desc->removable = 1;
619 else
620 dev_desc->removable = 0;
621
622#ifdef CONFIG_ATAPI
Simon Glass0cdb2932022-08-11 19:34:53 -0600623 if (is_atapi) {
Simon Glasse11f0ef2016-05-01 11:36:10 -0600624 atapi_inquiry(dev_desc);
625 return;
626 }
627#endif /* CONFIG_ATAPI */
628
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100629 iop.lba_capacity[0] = be16_to_cpu(iop.lba_capacity[0]);
630 iop.lba_capacity[1] = be16_to_cpu(iop.lba_capacity[1]);
631 dev_desc->lba =
632 ((unsigned long)iop.lba_capacity[0]) |
633 ((unsigned long)iop.lba_capacity[1] << 16);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600634
635#ifdef CONFIG_LBA48
636 if (iop.command_set_2 & 0x0400) { /* LBA 48 support */
637 dev_desc->lba48 = 1;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100638 for (int i = 0; i < 4; i++)
639 iop.lba48_capacity[i] = be16_to_cpu(iop.lba48_capacity[i]);
640 dev_desc->lba =
641 ((unsigned long long)iop.lba48_capacity[0] |
642 ((unsigned long long)iop.lba48_capacity[1] << 16) |
643 ((unsigned long long)iop.lba48_capacity[2] << 32) |
644 ((unsigned long long)iop.lba48_capacity[3] << 48));
Simon Glasse11f0ef2016-05-01 11:36:10 -0600645 } else {
646 dev_desc->lba48 = 0;
647 }
648#endif /* CONFIG_LBA48 */
649 /* assuming HD */
650 dev_desc->type = DEV_TYPE_HARDDISK;
651 dev_desc->blksz = ATA_BLOCKSIZE;
652 dev_desc->log2blksz = LOG2(dev_desc->blksz);
653 dev_desc->lun = 0; /* just to fill something in... */
654
655#if 0 /* only used to test the powersaving mode,
656 * if enabled, the drive goes after 5 sec
657 * in standby mode */
658 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
659 c = ide_wait(device, IDE_TIME_OUT);
660 ide_outb(device, ATA_SECT_CNT, 1);
661 ide_outb(device, ATA_LBA_LOW, 0);
662 ide_outb(device, ATA_LBA_MID, 0);
663 ide_outb(device, ATA_LBA_HIGH, 0);
664 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
665 ide_outb(device, ATA_COMMAND, 0xe3);
666 udelay(50);
667 c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */
668#endif
669}
670
Simon Glasse11f0ef2016-05-01 11:36:10 -0600671__weak void ide_outb(int dev, int port, unsigned char val)
672{
673 debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
Simon Glass11056802021-11-24 09:26:48 -0700674 dev, port, val, ATA_CURR_BASE(dev) + port);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600675
Simon Glass11056802021-11-24 09:26:48 -0700676 outb(val, ATA_CURR_BASE(dev) + port);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600677}
678
679__weak unsigned char ide_inb(int dev, int port)
680{
681 uchar val;
682
Simon Glass11056802021-11-24 09:26:48 -0700683 val = inb(ATA_CURR_BASE(dev) + port);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600684
685 debug("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
Simon Glass11056802021-11-24 09:26:48 -0700686 dev, port, ATA_CURR_BASE(dev) + port, val);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600687 return val;
688}
689
690void ide_init(void)
691{
Simon Glass6e2bee32023-01-17 10:47:24 -0700692 struct udevice *dev;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600693 unsigned char c;
694 int i, bus;
695
Stefan Roese80877fa2022-09-02 14:10:46 +0200696 schedule();
Simon Glasse11f0ef2016-05-01 11:36:10 -0600697
Simon Glasse11f0ef2016-05-01 11:36:10 -0600698 /* ATAPI Drives seems to need a proper IDE Reset */
699 ide_reset();
700
Simon Glasse11f0ef2016-05-01 11:36:10 -0600701 /*
702 * Wait for IDE to get ready.
703 * According to spec, this can take up to 31 seconds!
704 */
705 for (bus = 0; bus < CONFIG_SYS_IDE_MAXBUS; ++bus) {
706 int dev =
707 bus * (CONFIG_SYS_IDE_MAXDEVICE /
708 CONFIG_SYS_IDE_MAXBUS);
709
Simon Glasse11f0ef2016-05-01 11:36:10 -0600710 printf("Bus %d: ", bus);
711
712 ide_bus_ok[bus] = 0;
713
714 /* Select device
715 */
716 udelay(100000); /* 100 ms */
717 ide_outb(dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
718 udelay(100000); /* 100 ms */
719 i = 0;
720 do {
721 udelay(10000); /* 10 ms */
722
723 c = ide_inb(dev, ATA_STATUS);
724 i++;
725 if (i > (ATA_RESET_TIME * 100)) {
726 puts("** Timeout **\n");
Simon Glasse11f0ef2016-05-01 11:36:10 -0600727 return;
728 }
729 if ((i >= 100) && ((i % 100) == 0))
730 putc('.');
731
732 } while (c & ATA_STAT_BUSY);
733
734 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
735 puts("not available ");
736 debug("Status = 0x%02X ", c);
737#ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
738 } else if ((c & ATA_STAT_READY) == 0) {
739 puts("not available ");
740 debug("Status = 0x%02X ", c);
741#endif
742 } else {
743 puts("OK ");
744 ide_bus_ok[bus] = 1;
745 }
Stefan Roese80877fa2022-09-02 14:10:46 +0200746 schedule();
Simon Glasse11f0ef2016-05-01 11:36:10 -0600747 }
748
749 putc('\n');
750
Simon Glasse11f0ef2016-05-01 11:36:10 -0600751 for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) {
Simon Glasse11f0ef2016-05-01 11:36:10 -0600752 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
Simon Glassfada3f92022-09-17 09:00:09 -0600753 ide_dev_desc[i].uclass_id = UCLASS_IDE;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600754 ide_dev_desc[i].devnum = i;
755 ide_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
756 ide_dev_desc[i].blksz = 0;
757 ide_dev_desc[i].log2blksz =
758 LOG2_INVALID(typeof(ide_dev_desc[i].log2blksz));
759 ide_dev_desc[i].lba = 0;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600760 if (!ide_bus_ok[IDE_BUS(i)])
761 continue;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600762 ide_ident(&ide_dev_desc[i]);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600763 dev_print(&ide_dev_desc[i]);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600764 }
Stefan Roese80877fa2022-09-02 14:10:46 +0200765 schedule();
Bin Mengb650afa2017-09-10 05:12:51 -0700766
Bin Mengb650afa2017-09-10 05:12:51 -0700767 uclass_first_device(UCLASS_IDE, &dev);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600768}
769
Simon Glasse11f0ef2016-05-01 11:36:10 -0600770__weak void ide_input_swap_data(int dev, ulong *sect_buf, int words)
771{
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100772 uintptr_t paddr = (ATA_CURR_BASE(dev) + ATA_DATA_REG);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600773 ushort *dbuf = (ushort *)sect_buf;
774
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100775 debug("in input swap data base for read is %p\n", (void *)paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600776
777 while (words--) {
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100778 EIEIO;
779 *dbuf++ = be16_to_cpu(inw(paddr));
780 EIEIO;
781 *dbuf++ = be16_to_cpu(inw(paddr));
Simon Glasse11f0ef2016-05-01 11:36:10 -0600782 }
783}
Simon Glasse11f0ef2016-05-01 11:36:10 -0600784
Simon Glasse11f0ef2016-05-01 11:36:10 -0600785__weak void ide_output_data(int dev, const ulong *sect_buf, int words)
786{
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100787 uintptr_t paddr = (ATA_CURR_BASE(dev) + ATA_DATA_REG);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600788 ushort *dbuf;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600789
Simon Glasse11f0ef2016-05-01 11:36:10 -0600790 dbuf = (ushort *)sect_buf;
791 while (words--) {
792 EIEIO;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100793 outw(cpu_to_le16(*dbuf++), paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600794 EIEIO;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100795 outw(cpu_to_le16(*dbuf++), paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600796 }
797}
Simon Glasse11f0ef2016-05-01 11:36:10 -0600798
Simon Glasse11f0ef2016-05-01 11:36:10 -0600799__weak void ide_input_data(int dev, ulong *sect_buf, int words)
800{
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100801 uintptr_t paddr = (ATA_CURR_BASE(dev) + ATA_DATA_REG);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600802 ushort *dbuf;
Simon Glasse11f0ef2016-05-01 11:36:10 -0600803
Simon Glasse11f0ef2016-05-01 11:36:10 -0600804 dbuf = (ushort *)sect_buf;
805
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100806 debug("in input data base for read is %p\n", (void *)paddr);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600807
808 while (words--) {
809 EIEIO;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100810 *dbuf++ = le16_to_cpu(inw(paddr));
Simon Glasse11f0ef2016-05-01 11:36:10 -0600811 EIEIO;
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100812 *dbuf++ = le16_to_cpu(inw(paddr));
Simon Glasse11f0ef2016-05-01 11:36:10 -0600813 }
Simon Glasse11f0ef2016-05-01 11:36:10 -0600814}
815
Simon Glassf94bea02016-05-01 11:36:22 -0600816ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
817 void *buffer)
Simon Glasse11f0ef2016-05-01 11:36:10 -0600818{
Simon Glass71fa5b42020-12-03 16:55:18 -0700819 struct blk_desc *block_dev = dev_get_uclass_plat(dev);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600820 int device = block_dev->devnum;
821 ulong n = 0;
822 unsigned char c;
823 unsigned char pwrsave = 0; /* power save */
824
825#ifdef CONFIG_LBA48
826 unsigned char lba48 = 0;
827
828 if (blknr & 0x0000fffff0000000ULL) {
829 /* more than 28 bits used, use 48bit mode */
830 lba48 = 1;
831 }
832#endif
833 debug("ide_read dev %d start " LBAF ", blocks " LBAF " buffer at %lX\n",
834 device, blknr, blkcnt, (ulong) buffer);
835
Simon Glasse11f0ef2016-05-01 11:36:10 -0600836 /* Select device
837 */
838 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
839 c = ide_wait(device, IDE_TIME_OUT);
840
841 if (c & ATA_STAT_BUSY) {
842 printf("IDE read: device %d not ready\n", device);
843 goto IDE_READ_E;
844 }
845
846 /* first check if the drive is in Powersaving mode, if yes,
847 * increase the timeout value */
Heinrich Schuchardt203d83a2020-02-27 18:28:00 +0100848 ide_outb(device, ATA_COMMAND, ATA_CMD_CHK_POWER);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600849 udelay(50);
850
851 c = ide_wait(device, IDE_TIME_OUT); /* can't take over 500 ms */
852
853 if (c & ATA_STAT_BUSY) {
854 printf("IDE read: device %d not ready\n", device);
855 goto IDE_READ_E;
856 }
857 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
858 printf("No Powersaving mode %X\n", c);
859 } else {
860 c = ide_inb(device, ATA_SECT_CNT);
861 debug("Powersaving %02X\n", c);
862 if (c == 0)
863 pwrsave = 1;
864 }
865
866
867 while (blkcnt-- > 0) {
868 c = ide_wait(device, IDE_TIME_OUT);
869
870 if (c & ATA_STAT_BUSY) {
871 printf("IDE read: device %d not ready\n", device);
872 break;
873 }
874#ifdef CONFIG_LBA48
875 if (lba48) {
876 /* write high bits */
877 ide_outb(device, ATA_SECT_CNT, 0);
878 ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
879#ifdef CONFIG_SYS_64BIT_LBA
880 ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
881 ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
882#else
883 ide_outb(device, ATA_LBA_MID, 0);
884 ide_outb(device, ATA_LBA_HIGH, 0);
885#endif
886 }
887#endif
888 ide_outb(device, ATA_SECT_CNT, 1);
889 ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
890 ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
891 ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
892
893#ifdef CONFIG_LBA48
894 if (lba48) {
895 ide_outb(device, ATA_DEV_HD,
896 ATA_LBA | ATA_DEVICE(device));
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100897 ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_READ_EXT);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600898
899 } else
900#endif
901 {
902 ide_outb(device, ATA_DEV_HD, ATA_LBA |
903 ATA_DEVICE(device) | ((blknr >> 24) & 0xF));
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100904 ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_READ);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600905 }
906
907 udelay(50);
908
909 if (pwrsave) {
910 /* may take up to 4 sec */
911 c = ide_wait(device, IDE_SPIN_UP_TIME_OUT);
912 pwrsave = 0;
913 } else {
914 /* can't take over 500 ms */
915 c = ide_wait(device, IDE_TIME_OUT);
916 }
917
918 if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
919 ATA_STAT_DRQ) {
920 printf("Error (no IRQ) dev %d blk " LBAF
921 ": status %#02x\n", device, blknr, c);
922 break;
923 }
924
925 ide_input_data(device, buffer, ATA_SECTORWORDS);
926 (void) ide_inb(device, ATA_STATUS); /* clear IRQ */
927
928 ++n;
929 ++blknr;
930 buffer += ATA_BLOCKSIZE;
931 }
932IDE_READ_E:
Simon Glasse11f0ef2016-05-01 11:36:10 -0600933 return n;
934}
935
Simon Glassf94bea02016-05-01 11:36:22 -0600936ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
937 const void *buffer)
Simon Glasse11f0ef2016-05-01 11:36:10 -0600938{
Simon Glass71fa5b42020-12-03 16:55:18 -0700939 struct blk_desc *block_dev = dev_get_uclass_plat(dev);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600940 int device = block_dev->devnum;
941 ulong n = 0;
942 unsigned char c;
943
944#ifdef CONFIG_LBA48
945 unsigned char lba48 = 0;
946
947 if (blknr & 0x0000fffff0000000ULL) {
948 /* more than 28 bits used, use 48bit mode */
949 lba48 = 1;
950 }
951#endif
952
Simon Glasse11f0ef2016-05-01 11:36:10 -0600953 /* Select device
954 */
955 ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
956
957 while (blkcnt-- > 0) {
958 c = ide_wait(device, IDE_TIME_OUT);
959
960 if (c & ATA_STAT_BUSY) {
961 printf("IDE read: device %d not ready\n", device);
962 goto WR_OUT;
963 }
964#ifdef CONFIG_LBA48
965 if (lba48) {
966 /* write high bits */
967 ide_outb(device, ATA_SECT_CNT, 0);
968 ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
969#ifdef CONFIG_SYS_64BIT_LBA
970 ide_outb(device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
971 ide_outb(device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
972#else
973 ide_outb(device, ATA_LBA_MID, 0);
974 ide_outb(device, ATA_LBA_HIGH, 0);
975#endif
976 }
977#endif
978 ide_outb(device, ATA_SECT_CNT, 1);
979 ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
980 ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
981 ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
982
983#ifdef CONFIG_LBA48
984 if (lba48) {
985 ide_outb(device, ATA_DEV_HD,
986 ATA_LBA | ATA_DEVICE(device));
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100987 ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_WRITE_EXT);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600988
989 } else
990#endif
991 {
992 ide_outb(device, ATA_DEV_HD, ATA_LBA |
993 ATA_DEVICE(device) | ((blknr >> 24) & 0xF));
Reinoud Zandijk3b5dc942021-02-24 17:44:42 +0100994 ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_WRITE);
Simon Glasse11f0ef2016-05-01 11:36:10 -0600995 }
996
997 udelay(50);
998
999 /* can't take over 500 ms */
1000 c = ide_wait(device, IDE_TIME_OUT);
1001
1002 if ((c & (ATA_STAT_DRQ | ATA_STAT_BUSY | ATA_STAT_ERR)) !=
1003 ATA_STAT_DRQ) {
1004 printf("Error (no IRQ) dev %d blk " LBAF
1005 ": status %#02x\n", device, blknr, c);
1006 goto WR_OUT;
1007 }
1008
1009 ide_output_data(device, buffer, ATA_SECTORWORDS);
1010 c = ide_inb(device, ATA_STATUS); /* clear IRQ */
1011 ++n;
1012 ++blknr;
1013 buffer += ATA_BLOCKSIZE;
1014 }
1015WR_OUT:
Simon Glasse11f0ef2016-05-01 11:36:10 -06001016 return n;
1017}
1018
1019#if defined(CONFIG_OF_IDE_FIXUP)
1020int ide_device_present(int dev)
1021{
1022 if (dev >= CONFIG_SYS_IDE_MAXBUS)
1023 return 0;
1024 return ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN ? 0 : 1;
1025}
1026#endif
1027
Bin Mengb650afa2017-09-10 05:12:51 -07001028static int ide_blk_probe(struct udevice *udev)
1029{
Simon Glass71fa5b42020-12-03 16:55:18 -07001030 struct blk_desc *desc = dev_get_uclass_plat(udev);
Bin Mengb650afa2017-09-10 05:12:51 -07001031
1032 /* fill in device vendor/product/rev strings */
1033 strncpy(desc->vendor, ide_dev_desc[desc->devnum].vendor,
1034 BLK_VEN_SIZE);
1035 desc->vendor[BLK_VEN_SIZE] = '\0';
1036 strncpy(desc->product, ide_dev_desc[desc->devnum].product,
1037 BLK_PRD_SIZE);
1038 desc->product[BLK_PRD_SIZE] = '\0';
1039 strncpy(desc->revision, ide_dev_desc[desc->devnum].revision,
1040 BLK_REV_SIZE);
1041 desc->revision[BLK_REV_SIZE] = '\0';
1042
Bin Mengb650afa2017-09-10 05:12:51 -07001043 return 0;
1044}
1045
Simon Glassf94bea02016-05-01 11:36:22 -06001046static const struct blk_ops ide_blk_ops = {
1047 .read = ide_read,
1048 .write = ide_write,
1049};
1050
1051U_BOOT_DRIVER(ide_blk) = {
1052 .name = "ide_blk",
1053 .id = UCLASS_BLK,
1054 .ops = &ide_blk_ops,
Bin Mengb650afa2017-09-10 05:12:51 -07001055 .probe = ide_blk_probe,
1056};
1057
1058static int ide_probe(struct udevice *udev)
1059{
1060 struct udevice *blk_dev;
1061 char name[20];
1062 int blksz;
1063 lbaint_t size;
1064 int i;
1065 int ret;
1066
1067 for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) {
1068 if (ide_dev_desc[i].type != DEV_TYPE_UNKNOWN) {
1069 sprintf(name, "blk#%d", i);
1070
1071 blksz = ide_dev_desc[i].blksz;
1072 size = blksz * ide_dev_desc[i].lba;
Bin Meng5781c462017-09-10 05:12:52 -07001073
1074 /*
1075 * With CDROM, if there is no CD inserted, blksz will
1076 * be zero, don't bother to create IDE block device.
1077 */
1078 if (!blksz)
1079 continue;
Bin Mengb650afa2017-09-10 05:12:51 -07001080 ret = blk_create_devicef(udev, "ide_blk", name,
Simon Glassdbfa32c2022-08-11 19:34:59 -06001081 UCLASS_IDE, i,
Bin Mengb650afa2017-09-10 05:12:51 -07001082 blksz, size, &blk_dev);
1083 if (ret)
1084 return ret;
AKASHI Takahiroba748cf2022-03-08 20:36:44 +09001085
1086 ret = blk_probe_or_unbind(blk_dev);
1087 if (ret)
1088 return ret;
Bin Mengb650afa2017-09-10 05:12:51 -07001089 }
1090 }
1091
1092 return 0;
1093}
1094
1095U_BOOT_DRIVER(ide) = {
1096 .name = "ide",
1097 .id = UCLASS_IDE,
1098 .probe = ide_probe,
1099};
1100
1101struct pci_device_id ide_supported[] = {
1102 { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_IDE << 8, 0xffff00) },
1103 { }
1104};
1105
1106U_BOOT_PCI_DEVICE(ide, ide_supported);
1107
1108UCLASS_DRIVER(ide) = {
1109 .name = "ide",
1110 .id = UCLASS_IDE,
Simon Glassf94bea02016-05-01 11:36:22 -06001111};