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35#include <common.h>
36#include <command.h>
37#include <dm.h>
38#include <errno.h>
39#include <mapmem.h>
40#include <memalign.h>
41#include <asm/byteorder.h>
42#include <asm/processor.h>
43#include <dm/device-internal.h>
44#include <dm/lists.h>
45
46#include <part.h>
47#include <usb.h>
48
49#undef BBB_COMDAT_TRACE
50#undef BBB_XPORT_TRACE
51
52#include <scsi.h>
53
54
55
56static const unsigned char us_direction[256/8] = {
57 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
58 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
59 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
61};
62#define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
63
64static struct scsi_cmd usb_ccb __aligned(ARCH_DMA_MINALIGN);
65static __u32 CBWTag;
66
67static int usb_max_devs;
68
69#if !CONFIG_IS_ENABLED(BLK)
70static struct blk_desc usb_dev_desc[USB_MAX_STOR_DEV];
71#endif
72
73struct us_data;
74typedef int (*trans_cmnd)(struct scsi_cmd *cb, struct us_data *data);
75typedef int (*trans_reset)(struct us_data *data);
76
77struct us_data {
78 struct usb_device *pusb_dev;
79
80 unsigned int flags;
81# define USB_READY (1 << 0)
82 unsigned char ifnum;
83 unsigned char ep_in;
84 unsigned char ep_out;
85 unsigned char ep_int;
86 unsigned char subclass;
87 unsigned char protocol;
88 unsigned char attention_done;
89 unsigned short ip_data;
90 int action;
91 int ip_wanted;
92 int *irq_handle;
93 unsigned int irqpipe;
94 unsigned char irqmaxp;
95 unsigned char irqinterval;
96 struct scsi_cmd *srb;
97 trans_reset transport_reset;
98 trans_cmnd transport;
99 unsigned short max_xfer_blk;
100};
101
102#if !CONFIG_IS_ENABLED(BLK)
103static struct us_data usb_stor[USB_MAX_STOR_DEV];
104#endif
105
106#define USB_STOR_TRANSPORT_GOOD 0
107#define USB_STOR_TRANSPORT_FAILED -1
108#define USB_STOR_TRANSPORT_ERROR -2
109
110int usb_stor_get_info(struct usb_device *dev, struct us_data *us,
111 struct blk_desc *dev_desc);
112int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
113 struct us_data *ss);
114#if CONFIG_IS_ENABLED(BLK)
115static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr,
116 lbaint_t blkcnt, void *buffer);
117static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr,
118 lbaint_t blkcnt, const void *buffer);
119#else
120static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr,
121 lbaint_t blkcnt, void *buffer);
122static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr,
123 lbaint_t blkcnt, const void *buffer);
124#endif
125void uhci_show_temp_int_td(void);
126
127static void usb_show_progress(void)
128{
129 debug(".");
130}
131
132
133
134
135
136int usb_stor_info(void)
137{
138 int count = 0;
139#if CONFIG_IS_ENABLED(BLK)
140 struct udevice *dev;
141
142 for (blk_first_device(IF_TYPE_USB, &dev);
143 dev;
144 blk_next_device(&dev)) {
145 struct blk_desc *desc = dev_get_uclass_platdata(dev);
146
147 printf(" Device %d: ", desc->devnum);
148 dev_print(desc);
149 count++;
150 }
151#else
152 int i;
153
154 if (usb_max_devs > 0) {
155 for (i = 0; i < usb_max_devs; i++) {
156 printf(" Device %d: ", i);
157 dev_print(&usb_dev_desc[i]);
158 }
159 return 0;
160 }
161#endif
162 if (!count) {
163 printf("No storage devices, perhaps not 'usb start'ed..?\n");
164 return 1;
165 }
166
167 return 0;
168}
169
170static unsigned int usb_get_max_lun(struct us_data *us)
171{
172 int len;
173 ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1);
174 len = usb_control_msg(us->pusb_dev,
175 usb_rcvctrlpipe(us->pusb_dev, 0),
176 US_BBB_GET_MAX_LUN,
177 USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
178 0, us->ifnum,
179 result, sizeof(char),
180 USB_CNTL_TIMEOUT * 5);
181 debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result);
182 return (len > 0) ? *result : 0;
183}
184
185static int usb_stor_probe_device(struct usb_device *udev)
186{
187 int lun, max_lun;
188
189#if CONFIG_IS_ENABLED(BLK)
190 struct us_data *data;
191 int ret;
192#else
193 int start;
194
195 if (udev == NULL)
196 return -ENOENT;
197#endif
198
199 debug("\n\nProbing for storage\n");
200#if CONFIG_IS_ENABLED(BLK)
201
202
203
204
205
206 data = dev_get_platdata(udev->dev);
207 if (!usb_storage_probe(udev, 0, data))
208 return 0;
209 max_lun = usb_get_max_lun(data);
210 for (lun = 0; lun <= max_lun; lun++) {
211 struct blk_desc *blkdev;
212 struct udevice *dev;
213 char str[10];
214
215 snprintf(str, sizeof(str), "lun%d", lun);
216 ret = blk_create_devicef(udev->dev, "usb_storage_blk", str,
217 IF_TYPE_USB, usb_max_devs, 512, 0,
218 &dev);
219 if (ret) {
220 debug("Cannot bind driver\n");
221 return ret;
222 }
223
224 blkdev = dev_get_uclass_platdata(dev);
225 blkdev->target = 0xff;
226 blkdev->lun = lun;
227
228 ret = usb_stor_get_info(udev, data, blkdev);
229 if (ret == 1) {
230 usb_max_devs++;
231 debug("%s: Found device %p\n", __func__, udev);
232 } else {
233 debug("usb_stor_get_info: Invalid device\n");
234 ret = device_unbind(dev);
235 if (ret)
236 return ret;
237 }
238 }
239#else
240
241 if (usb_max_devs == USB_MAX_STOR_DEV) {
242 printf("max USB Storage Device reached: %d stopping\n",
243 usb_max_devs);
244 return -ENOSPC;
245 }
246
247 if (!usb_storage_probe(udev, 0, &usb_stor[usb_max_devs]))
248 return 0;
249
250
251
252
253
254 start = usb_max_devs;
255
256 max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]);
257 for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV;
258 lun++) {
259 struct blk_desc *blkdev;
260
261 blkdev = &usb_dev_desc[usb_max_devs];
262 memset(blkdev, '\0', sizeof(struct blk_desc));
263 blkdev->if_type = IF_TYPE_USB;
264 blkdev->devnum = usb_max_devs;
265 blkdev->part_type = PART_TYPE_UNKNOWN;
266 blkdev->target = 0xff;
267 blkdev->type = DEV_TYPE_UNKNOWN;
268 blkdev->block_read = usb_stor_read;
269 blkdev->block_write = usb_stor_write;
270 blkdev->lun = lun;
271 blkdev->priv = udev;
272
273 if (usb_stor_get_info(udev, &usb_stor[start],
274 &usb_dev_desc[usb_max_devs]) == 1) {
275 debug("partype: %d\n", blkdev->part_type);
276 part_init(blkdev);
277 debug("partype: %d\n", blkdev->part_type);
278 usb_max_devs++;
279 debug("%s: Found device %p\n", __func__, udev);
280 }
281 }
282#endif
283
284 return 0;
285}
286
287void usb_stor_reset(void)
288{
289 usb_max_devs = 0;
290}
291
292
293
294
295
296
297int usb_stor_scan(int mode)
298{
299 if (mode == 1)
300 printf(" scanning usb for storage devices... ");
301
302#if !CONFIG_IS_ENABLED(DM_USB)
303 unsigned char i;
304
305 usb_disable_asynch(1);
306
307 usb_stor_reset();
308 for (i = 0; i < USB_MAX_DEVICE; i++) {
309 struct usb_device *dev;
310
311 dev = usb_get_dev_index(i);
312 debug("i=%d\n", i);
313 if (usb_stor_probe_device(dev))
314 break;
315 }
316
317 usb_disable_asynch(0);
318#endif
319 printf("%d Storage Device(s) found\n", usb_max_devs);
320 if (usb_max_devs > 0)
321 return 0;
322 return -1;
323}
324
325static int usb_stor_irq(struct usb_device *dev)
326{
327 struct us_data *us;
328 us = (struct us_data *)dev->privptr;
329
330 if (us->ip_wanted)
331 us->ip_wanted = 0;
332 return 0;
333}
334
335
336#ifdef DEBUG
337
338static void usb_show_srb(struct scsi_cmd *pccb)
339{
340 int i;
341 printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen);
342 for (i = 0; i < 12; i++)
343 printf("%02X ", pccb->cmd[i]);
344 printf("\n");
345}
346
347static void display_int_status(unsigned long tmp)
348{
349 printf("Status: %s %s %s %s %s %s %s\n",
350 (tmp & USB_ST_ACTIVE) ? "Active" : "",
351 (tmp & USB_ST_STALLED) ? "Stalled" : "",
352 (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "",
353 (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "",
354 (tmp & USB_ST_NAK_REC) ? "NAKed" : "",
355 (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "",
356 (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : "");
357}
358#endif
359
360
361
362
363static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)
364{
365 int max_size;
366 int this_xfer;
367 int result;
368 int partial;
369 int maxtry;
370 int stat;
371
372
373 max_size = usb_maxpacket(us->pusb_dev, pipe) * 16;
374
375
376 while (length) {
377
378
379 this_xfer = length > max_size ? max_size : length;
380 length -= this_xfer;
381
382
383 maxtry = 10;
384
385
386 do {
387
388 debug("Bulk xfer 0x%lx(%d) try #%d\n",
389 (ulong)map_to_sysmem(buf), this_xfer,
390 11 - maxtry);
391 result = usb_bulk_msg(us->pusb_dev, pipe, buf,
392 this_xfer, &partial,
393 USB_CNTL_TIMEOUT * 5);
394 debug("bulk_msg returned %d xferred %d/%d\n",
395 result, partial, this_xfer);
396 if (us->pusb_dev->status != 0) {
397
398
399
400#ifdef DEBUG
401 display_int_status(us->pusb_dev->status);
402#endif
403 if (us->pusb_dev->status & USB_ST_STALLED) {
404 debug("stalled ->clearing endpoint" \
405 "halt for pipe 0x%x\n", pipe);
406 stat = us->pusb_dev->status;
407 usb_clear_halt(us->pusb_dev, pipe);
408 us->pusb_dev->status = stat;
409 if (this_xfer == partial) {
410 debug("bulk transferred" \
411 "with error %lX," \
412 " but data ok\n",
413 us->pusb_dev->status);
414 return 0;
415 }
416 else
417 return result;
418 }
419 if (us->pusb_dev->status & USB_ST_NAK_REC) {
420 debug("Device NAKed bulk_msg\n");
421 return result;
422 }
423 debug("bulk transferred with error");
424 if (this_xfer == partial) {
425 debug(" %ld, but data ok\n",
426 us->pusb_dev->status);
427 return 0;
428 }
429
430 debug(" %ld, data %d\n",
431 us->pusb_dev->status, partial);
432 if (!maxtry--)
433 return result;
434 }
435
436 this_xfer -= partial;
437 buf += partial;
438
439 } while (this_xfer);
440 }
441
442
443 return 0;
444}
445
446static int usb_stor_BBB_reset(struct us_data *us)
447{
448 int result;
449 unsigned int pipe;
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465 debug("BBB_reset\n");
466 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
467 US_BBB_RESET,
468 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
469 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5);
470
471 if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
472 debug("RESET:stall\n");
473 return -1;
474 }
475
476
477 mdelay(150);
478 debug("BBB_reset result %d: status %lX reset\n",
479 result, us->pusb_dev->status);
480 pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
481 result = usb_clear_halt(us->pusb_dev, pipe);
482
483 mdelay(150);
484 debug("BBB_reset result %d: status %lX clearing IN endpoint\n",
485 result, us->pusb_dev->status);
486
487 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
488 result = usb_clear_halt(us->pusb_dev, pipe);
489 mdelay(150);
490 debug("BBB_reset result %d: status %lX clearing OUT endpoint\n",
491 result, us->pusb_dev->status);
492 debug("BBB_reset done\n");
493 return 0;
494}
495
496
497
498
499
500static int usb_stor_CB_reset(struct us_data *us)
501{
502 unsigned char cmd[12];
503 int result;
504
505 debug("CB_reset\n");
506 memset(cmd, 0xff, sizeof(cmd));
507 cmd[0] = SCSI_SEND_DIAG;
508 cmd[1] = 4;
509 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
510 US_CBI_ADSC,
511 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
512 0, us->ifnum, cmd, sizeof(cmd),
513 USB_CNTL_TIMEOUT * 5);
514
515
516 mdelay(1500);
517 debug("CB_reset result %d: status %lX clearing endpoint halt\n",
518 result, us->pusb_dev->status);
519 usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in));
520 usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out));
521
522 debug("CB_reset done\n");
523 return 0;
524}
525
526
527
528
529
530static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us)
531{
532 int result;
533 int actlen;
534 int dir_in;
535 unsigned int pipe;
536 ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1);
537
538 dir_in = US_DIRECTION(srb->cmd[0]);
539
540#ifdef BBB_COMDAT_TRACE
541 printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n",
542 dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen,
543 srb->pdata);
544 if (srb->cmdlen) {
545 for (result = 0; result < srb->cmdlen; result++)
546 printf("cmd[%d] %#x ", result, srb->cmd[result]);
547 printf("\n");
548 }
549#endif
550
551 if (!(srb->cmdlen <= CBWCDBLENGTH)) {
552 debug("usb_stor_BBB_comdat:cmdlen too large\n");
553 return -1;
554 }
555
556
557 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
558
559 cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE);
560 cbw->dCBWTag = cpu_to_le32(CBWTag++);
561 cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen);
562 cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT);
563 cbw->bCBWLUN = srb->lun;
564 cbw->bCDBLength = srb->cmdlen;
565
566
567
568 memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen);
569 result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE,
570 &actlen, USB_CNTL_TIMEOUT * 5);
571 if (result < 0)
572 debug("usb_stor_BBB_comdat:usb_bulk_msg error\n");
573 return result;
574}
575
576
577
578
579static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us)
580{
581 int result = 0;
582 int dir_in, retry;
583 unsigned int pipe;
584 unsigned long status;
585
586 retry = 5;
587 dir_in = US_DIRECTION(srb->cmd[0]);
588
589 if (dir_in)
590 pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
591 else
592 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
593
594 while (retry--) {
595 debug("CBI gets a command: Try %d\n", 5 - retry);
596#ifdef DEBUG
597 usb_show_srb(srb);
598#endif
599
600 result = usb_control_msg(us->pusb_dev,
601 usb_sndctrlpipe(us->pusb_dev , 0),
602 US_CBI_ADSC,
603 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
604 0, us->ifnum,
605 srb->cmd, srb->cmdlen,
606 USB_CNTL_TIMEOUT * 5);
607 debug("CB_transport: control msg returned %d, status %lX\n",
608 result, us->pusb_dev->status);
609
610 if (result < 0) {
611 if (us->pusb_dev->status & USB_ST_STALLED) {
612 status = us->pusb_dev->status;
613 debug(" stall during command found," \
614 " clear pipe\n");
615 usb_clear_halt(us->pusb_dev,
616 usb_sndctrlpipe(us->pusb_dev, 0));
617 us->pusb_dev->status = status;
618 }
619 debug(" error during command %02X" \
620 " Stat = %lX\n", srb->cmd[0],
621 us->pusb_dev->status);
622 return result;
623 }
624
625
626 debug("CB_transport: control msg returned %d," \
627 " direction is %s to go 0x%lx\n", result,
628 dir_in ? "IN" : "OUT", srb->datalen);
629 if (srb->datalen) {
630 result = us_one_transfer(us, pipe, (char *)srb->pdata,
631 srb->datalen);
632 debug("CBI attempted to transfer data," \
633 " result is %d status %lX, len %d\n",
634 result, us->pusb_dev->status,
635 us->pusb_dev->act_len);
636 if (!(us->pusb_dev->status & USB_ST_NAK_REC))
637 break;
638 }
639 else
640 break;
641 }
642
643
644 return result;
645}
646
647
648static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us)
649{
650 int timeout;
651
652 us->ip_wanted = 1;
653 submit_int_msg(us->pusb_dev, us->irqpipe,
654 (void *) &us->ip_data, us->irqmaxp, us->irqinterval);
655 timeout = 1000;
656 while (timeout--) {
657 if (us->ip_wanted == 0)
658 break;
659 mdelay(10);
660 }
661 if (us->ip_wanted) {
662 printf(" Did not get interrupt on CBI\n");
663 us->ip_wanted = 0;
664 return USB_STOR_TRANSPORT_ERROR;
665 }
666 debug("Got interrupt data 0x%x, transferred %d status 0x%lX\n",
667 us->ip_data, us->pusb_dev->irq_act_len,
668 us->pusb_dev->irq_status);
669
670 if (us->subclass == US_SC_UFI) {
671 if (srb->cmd[0] == SCSI_REQ_SENSE ||
672 srb->cmd[0] == SCSI_INQUIRY)
673 return USB_STOR_TRANSPORT_GOOD;
674 else if (us->ip_data)
675 return USB_STOR_TRANSPORT_FAILED;
676 else
677 return USB_STOR_TRANSPORT_GOOD;
678 }
679
680 switch (us->ip_data) {
681 case 0x0001:
682 return USB_STOR_TRANSPORT_GOOD;
683 case 0x0002:
684 return USB_STOR_TRANSPORT_FAILED;
685 default:
686 return USB_STOR_TRANSPORT_ERROR;
687 }
688 return USB_STOR_TRANSPORT_ERROR;
689}
690
691#define USB_TRANSPORT_UNKNOWN_RETRY 5
692#define USB_TRANSPORT_NOT_READY_RETRY 10
693
694
695static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
696{
697
698 return usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
699 USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0,
700 endpt, NULL, 0, USB_CNTL_TIMEOUT * 5);
701}
702
703static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us)
704{
705 int result, retry;
706 int dir_in;
707 int actlen, data_actlen;
708 unsigned int pipe, pipein, pipeout;
709 ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1);
710#ifdef BBB_XPORT_TRACE
711 unsigned char *ptr;
712 int index;
713#endif
714
715 dir_in = US_DIRECTION(srb->cmd[0]);
716
717
718 debug("COMMAND phase\n");
719 result = usb_stor_BBB_comdat(srb, us);
720 if (result < 0) {
721 debug("failed to send CBW status %ld\n",
722 us->pusb_dev->status);
723 usb_stor_BBB_reset(us);
724 return USB_STOR_TRANSPORT_FAILED;
725 }
726 if (!(us->flags & USB_READY))
727 mdelay(5);
728 pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
729 pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
730
731 data_actlen = 0;
732
733 if (srb->datalen == 0)
734 goto st;
735 debug("DATA phase\n");
736 if (dir_in)
737 pipe = pipein;
738 else
739 pipe = pipeout;
740
741 result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen,
742 &data_actlen, USB_CNTL_TIMEOUT * 5);
743
744 if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
745 debug("DATA:stall\n");
746
747 result = usb_stor_BBB_clear_endpt_stall(us,
748 dir_in ? us->ep_in : us->ep_out);
749 if (result >= 0)
750
751 goto st;
752 }
753 if (result < 0) {
754 debug("usb_bulk_msg error status %ld\n",
755 us->pusb_dev->status);
756 usb_stor_BBB_reset(us);
757 return USB_STOR_TRANSPORT_FAILED;
758 }
759#ifdef BBB_XPORT_TRACE
760 for (index = 0; index < data_actlen; index++)
761 printf("pdata[%d] %#x ", index, srb->pdata[index]);
762 printf("\n");
763#endif
764
765st:
766 retry = 0;
767again:
768 debug("STATUS phase\n");
769 result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE,
770 &actlen, USB_CNTL_TIMEOUT*5);
771
772
773 if ((result < 0) && (retry < 1) &&
774 (us->pusb_dev->status & USB_ST_STALLED)) {
775 debug("STATUS:stall\n");
776
777 result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in);
778 if (result >= 0 && (retry++ < 1))
779
780 goto again;
781 }
782 if (result < 0) {
783 debug("usb_bulk_msg error status %ld\n",
784 us->pusb_dev->status);
785 usb_stor_BBB_reset(us);
786 return USB_STOR_TRANSPORT_FAILED;
787 }
788#ifdef BBB_XPORT_TRACE
789 ptr = (unsigned char *)csw;
790 for (index = 0; index < UMASS_BBB_CSW_SIZE; index++)
791 printf("ptr[%d] %#x ", index, ptr[index]);
792 printf("\n");
793#endif
794
795 pipe = le32_to_cpu(csw->dCSWDataResidue);
796 if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
797 pipe = srb->datalen - data_actlen;
798 if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) {
799 debug("!CSWSIGNATURE\n");
800 usb_stor_BBB_reset(us);
801 return USB_STOR_TRANSPORT_FAILED;
802 } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) {
803 debug("!Tag\n");
804 usb_stor_BBB_reset(us);
805 return USB_STOR_TRANSPORT_FAILED;
806 } else if (csw->bCSWStatus > CSWSTATUS_PHASE) {
807 debug(">PHASE\n");
808 usb_stor_BBB_reset(us);
809 return USB_STOR_TRANSPORT_FAILED;
810 } else if (csw->bCSWStatus == CSWSTATUS_PHASE) {
811 debug("=PHASE\n");
812 usb_stor_BBB_reset(us);
813 return USB_STOR_TRANSPORT_FAILED;
814 } else if (data_actlen > srb->datalen) {
815 debug("transferred %dB instead of %ldB\n",
816 data_actlen, srb->datalen);
817 return USB_STOR_TRANSPORT_FAILED;
818 } else if (csw->bCSWStatus == CSWSTATUS_FAILED) {
819 debug("FAILED\n");
820 return USB_STOR_TRANSPORT_FAILED;
821 }
822
823 return result;
824}
825
826static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us)
827{
828 int result, status;
829 struct scsi_cmd *psrb;
830 struct scsi_cmd reqsrb;
831 int retry, notready;
832
833 psrb = &reqsrb;
834 status = USB_STOR_TRANSPORT_GOOD;
835 retry = 0;
836 notready = 0;
837
838do_retry:
839 result = usb_stor_CB_comdat(srb, us);
840 debug("command / Data returned %d, status %lX\n",
841 result, us->pusb_dev->status);
842
843 if (us->protocol == US_PR_CBI) {
844 status = usb_stor_CBI_get_status(srb, us);
845
846 if (status == USB_STOR_TRANSPORT_ERROR) {
847 debug(" USB CBI Command Error\n");
848 return status;
849 }
850 srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8);
851 srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff);
852 if (!us->ip_data) {
853
854 if (status == USB_STOR_TRANSPORT_GOOD) {
855 debug(" USB CBI Command Good\n");
856 return status;
857 }
858 }
859 }
860
861
862 if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
863 debug("ERROR %lX\n", us->pusb_dev->status);
864 us->transport_reset(us);
865 return USB_STOR_TRANSPORT_ERROR;
866 }
867 if ((us->protocol == US_PR_CBI) &&
868 ((srb->cmd[0] == SCSI_REQ_SENSE) ||
869 (srb->cmd[0] == SCSI_INQUIRY))) {
870
871 debug("No auto request and good\n");
872 return USB_STOR_TRANSPORT_GOOD;
873 }
874
875 memset(&psrb->cmd[0], 0, 12);
876 psrb->cmd[0] = SCSI_REQ_SENSE;
877 psrb->cmd[1] = srb->lun << 5;
878 psrb->cmd[4] = 18;
879 psrb->datalen = 18;
880 psrb->pdata = &srb->sense_buf[0];
881 psrb->cmdlen = 12;
882
883 result = usb_stor_CB_comdat(psrb, us);
884 debug("auto request returned %d\n", result);
885
886 if (us->protocol == US_PR_CBI)
887 status = usb_stor_CBI_get_status(psrb, us);
888
889 if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
890 debug(" AUTO REQUEST ERROR %ld\n",
891 us->pusb_dev->status);
892 return USB_STOR_TRANSPORT_ERROR;
893 }
894 debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
895 srb->sense_buf[0], srb->sense_buf[2],
896 srb->sense_buf[12], srb->sense_buf[13]);
897
898 if ((srb->sense_buf[2] == 0) &&
899 (srb->sense_buf[12] == 0) &&
900 (srb->sense_buf[13] == 0)) {
901
902 return USB_STOR_TRANSPORT_GOOD;
903 }
904
905
906 switch (srb->sense_buf[2]) {
907 case 0x01:
908
909 return USB_STOR_TRANSPORT_GOOD;
910 break;
911 case 0x02:
912
913 if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) {
914 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X"
915 " 0x%02X (NOT READY)\n", srb->cmd[0],
916 srb->sense_buf[0], srb->sense_buf[2],
917 srb->sense_buf[12], srb->sense_buf[13]);
918 return USB_STOR_TRANSPORT_FAILED;
919 } else {
920 mdelay(100);
921 goto do_retry;
922 }
923 break;
924 default:
925 if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) {
926 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X"
927 " 0x%02X\n", srb->cmd[0], srb->sense_buf[0],
928 srb->sense_buf[2], srb->sense_buf[12],
929 srb->sense_buf[13]);
930 return USB_STOR_TRANSPORT_FAILED;
931 } else
932 goto do_retry;
933 break;
934 }
935 return USB_STOR_TRANSPORT_FAILED;
936}
937
938static void usb_stor_set_max_xfer_blk(struct usb_device *udev,
939 struct us_data *us)
940{
941 unsigned short blk;
942 size_t __maybe_unused size;
943 int __maybe_unused ret;
944
945#if !CONFIG_IS_ENABLED(DM_USB)
946#ifdef CONFIG_USB_EHCI_HCD
947
948
949
950
951
952 blk = USHRT_MAX;
953#else
954 blk = 20;
955#endif
956#else
957 ret = usb_get_max_xfer_size(udev, (size_t *)&size);
958 if (ret < 0) {
959
960 blk = 20;
961 } else {
962 if (size > USHRT_MAX * 512)
963 size = USHRT_MAX * 512;
964 blk = size / 512;
965 }
966#endif
967
968 us->max_xfer_blk = blk;
969}
970
971static int usb_inquiry(struct scsi_cmd *srb, struct us_data *ss)
972{
973 int retry, i;
974 retry = 5;
975 do {
976 memset(&srb->cmd[0], 0, 12);
977 srb->cmd[0] = SCSI_INQUIRY;
978 srb->cmd[1] = srb->lun << 5;
979 srb->cmd[4] = 36;
980 srb->datalen = 36;
981 srb->cmdlen = 12;
982 i = ss->transport(srb, ss);
983 debug("inquiry returns %d\n", i);
984 if (i == 0)
985 break;
986 } while (--retry);
987
988 if (!retry) {
989 printf("error in inquiry\n");
990 return -1;
991 }
992 return 0;
993}
994
995static int usb_request_sense(struct scsi_cmd *srb, struct us_data *ss)
996{
997 char *ptr;
998
999 ptr = (char *)srb->pdata;
1000 memset(&srb->cmd[0], 0, 12);
1001 srb->cmd[0] = SCSI_REQ_SENSE;
1002 srb->cmd[1] = srb->lun << 5;
1003 srb->cmd[4] = 18;
1004 srb->datalen = 18;
1005 srb->pdata = &srb->sense_buf[0];
1006 srb->cmdlen = 12;
1007 ss->transport(srb, ss);
1008 debug("Request Sense returned %02X %02X %02X\n",
1009 srb->sense_buf[2], srb->sense_buf[12],
1010 srb->sense_buf[13]);
1011 srb->pdata = (uchar *)ptr;
1012 return 0;
1013}
1014
1015static int usb_test_unit_ready(struct scsi_cmd *srb, struct us_data *ss)
1016{
1017 int retries = 10;
1018
1019 do {
1020 memset(&srb->cmd[0], 0, 12);
1021 srb->cmd[0] = SCSI_TST_U_RDY;
1022 srb->cmd[1] = srb->lun << 5;
1023 srb->datalen = 0;
1024 srb->cmdlen = 12;
1025 if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) {
1026 ss->flags |= USB_READY;
1027 return 0;
1028 }
1029 usb_request_sense(srb, ss);
1030
1031
1032
1033
1034
1035
1036
1037 if ((srb->sense_buf[2] == 0x02) &&
1038 (srb->sense_buf[12] == 0x3a))
1039 return -1;
1040 mdelay(100);
1041 } while (retries--);
1042
1043 return -1;
1044}
1045
1046static int usb_read_capacity(struct scsi_cmd *srb, struct us_data *ss)
1047{
1048 int retry;
1049
1050 retry = 3;
1051 do {
1052 memset(&srb->cmd[0], 0, 12);
1053 srb->cmd[0] = SCSI_RD_CAPAC;
1054 srb->cmd[1] = srb->lun << 5;
1055 srb->datalen = 8;
1056 srb->cmdlen = 12;
1057 if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD)
1058 return 0;
1059 } while (retry--);
1060
1061 return -1;
1062}
1063
1064static int usb_read_10(struct scsi_cmd *srb, struct us_data *ss,
1065 unsigned long start, unsigned short blocks)
1066{
1067 memset(&srb->cmd[0], 0, 12);
1068 srb->cmd[0] = SCSI_READ10;
1069 srb->cmd[1] = srb->lun << 5;
1070 srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff;
1071 srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff;
1072 srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff;
1073 srb->cmd[5] = ((unsigned char) (start)) & 0xff;
1074 srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff;
1075 srb->cmd[8] = (unsigned char) blocks & 0xff;
1076 srb->cmdlen = 12;
1077 debug("read10: start %lx blocks %x\n", start, blocks);
1078 return ss->transport(srb, ss);
1079}
1080
1081static int usb_write_10(struct scsi_cmd *srb, struct us_data *ss,
1082 unsigned long start, unsigned short blocks)
1083{
1084 memset(&srb->cmd[0], 0, 12);
1085 srb->cmd[0] = SCSI_WRITE10;
1086 srb->cmd[1] = srb->lun << 5;
1087 srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff;
1088 srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff;
1089 srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff;
1090 srb->cmd[5] = ((unsigned char) (start)) & 0xff;
1091 srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff;
1092 srb->cmd[8] = (unsigned char) blocks & 0xff;
1093 srb->cmdlen = 12;
1094 debug("write10: start %lx blocks %x\n", start, blocks);
1095 return ss->transport(srb, ss);
1096}
1097
1098
1099#ifdef CONFIG_USB_BIN_FIXUP
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109static void usb_bin_fixup(struct usb_device_descriptor descriptor,
1110 unsigned char vendor[],
1111 unsigned char product[]) {
1112 const unsigned char max_vendor_len = 40;
1113 const unsigned char max_product_len = 20;
1114 if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) {
1115 strncpy((char *)vendor, "SMSC", max_vendor_len);
1116 strncpy((char *)product, "Flash Media Cntrller",
1117 max_product_len);
1118 }
1119}
1120#endif
1121
1122#if CONFIG_IS_ENABLED(BLK)
1123static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr,
1124 lbaint_t blkcnt, void *buffer)
1125#else
1126static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr,
1127 lbaint_t blkcnt, void *buffer)
1128#endif
1129{
1130 lbaint_t start, blks;
1131 uintptr_t buf_addr;
1132 unsigned short smallblks;
1133 struct usb_device *udev;
1134 struct us_data *ss;
1135 int retry;
1136 struct scsi_cmd *srb = &usb_ccb;
1137#if CONFIG_IS_ENABLED(BLK)
1138 struct blk_desc *block_dev;
1139#endif
1140
1141 if (blkcnt == 0)
1142 return 0;
1143
1144#if CONFIG_IS_ENABLED(BLK)
1145 block_dev = dev_get_uclass_platdata(dev);
1146 udev = dev_get_parent_priv(dev_get_parent(dev));
1147 debug("\nusb_read: udev %d\n", block_dev->devnum);
1148#else
1149 debug("\nusb_read: udev %d\n", block_dev->devnum);
1150 udev = usb_dev_desc[block_dev->devnum].priv;
1151 if (!udev) {
1152 debug("%s: No device\n", __func__);
1153 return 0;
1154 }
1155#endif
1156 ss = (struct us_data *)udev->privptr;
1157
1158 usb_disable_asynch(1);
1159 srb->lun = block_dev->lun;
1160 buf_addr = (uintptr_t)buffer;
1161 start = blknr;
1162 blks = blkcnt;
1163
1164 debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n",
1165 block_dev->devnum, start, blks, buf_addr);
1166
1167 do {
1168
1169 retry = 2;
1170 srb->pdata = (unsigned char *)buf_addr;
1171 if (blks > ss->max_xfer_blk)
1172 smallblks = ss->max_xfer_blk;
1173 else
1174 smallblks = (unsigned short) blks;
1175retry_it:
1176 if (smallblks == ss->max_xfer_blk)
1177 usb_show_progress();
1178 srb->datalen = block_dev->blksz * smallblks;
1179 srb->pdata = (unsigned char *)buf_addr;
1180 if (usb_read_10(srb, ss, start, smallblks)) {
1181 debug("Read ERROR\n");
1182 usb_request_sense(srb, ss);
1183 if (retry--)
1184 goto retry_it;
1185 blkcnt -= blks;
1186 break;
1187 }
1188 start += smallblks;
1189 blks -= smallblks;
1190 buf_addr += srb->datalen;
1191 } while (blks != 0);
1192 ss->flags &= ~USB_READY;
1193
1194 debug("usb_read: end startblk " LBAF ", blccnt %x buffer %lx\n",
1195 start, smallblks, buf_addr);
1196
1197 usb_disable_asynch(0);
1198 if (blkcnt >= ss->max_xfer_blk)
1199 debug("\n");
1200 return blkcnt;
1201}
1202
1203#if CONFIG_IS_ENABLED(BLK)
1204static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr,
1205 lbaint_t blkcnt, const void *buffer)
1206#else
1207static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr,
1208 lbaint_t blkcnt, const void *buffer)
1209#endif
1210{
1211 lbaint_t start, blks;
1212 uintptr_t buf_addr;
1213 unsigned short smallblks;
1214 struct usb_device *udev;
1215 struct us_data *ss;
1216 int retry;
1217 struct scsi_cmd *srb = &usb_ccb;
1218#if CONFIG_IS_ENABLED(BLK)
1219 struct blk_desc *block_dev;
1220#endif
1221
1222 if (blkcnt == 0)
1223 return 0;
1224
1225
1226#if CONFIG_IS_ENABLED(BLK)
1227 block_dev = dev_get_uclass_platdata(dev);
1228 udev = dev_get_parent_priv(dev_get_parent(dev));
1229 debug("\nusb_read: udev %d\n", block_dev->devnum);
1230#else
1231 debug("\nusb_read: udev %d\n", block_dev->devnum);
1232 udev = usb_dev_desc[block_dev->devnum].priv;
1233 if (!udev) {
1234 debug("%s: No device\n", __func__);
1235 return 0;
1236 }
1237#endif
1238 ss = (struct us_data *)udev->privptr;
1239
1240 usb_disable_asynch(1);
1241
1242 srb->lun = block_dev->lun;
1243 buf_addr = (uintptr_t)buffer;
1244 start = blknr;
1245 blks = blkcnt;
1246
1247 debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %lx\n",
1248 block_dev->devnum, start, blks, buf_addr);
1249
1250 do {
1251
1252
1253
1254 retry = 2;
1255 srb->pdata = (unsigned char *)buf_addr;
1256 if (blks > ss->max_xfer_blk)
1257 smallblks = ss->max_xfer_blk;
1258 else
1259 smallblks = (unsigned short) blks;
1260retry_it:
1261 if (smallblks == ss->max_xfer_blk)
1262 usb_show_progress();
1263 srb->datalen = block_dev->blksz * smallblks;
1264 srb->pdata = (unsigned char *)buf_addr;
1265 if (usb_write_10(srb, ss, start, smallblks)) {
1266 debug("Write ERROR\n");
1267 usb_request_sense(srb, ss);
1268 if (retry--)
1269 goto retry_it;
1270 blkcnt -= blks;
1271 break;
1272 }
1273 start += smallblks;
1274 blks -= smallblks;
1275 buf_addr += srb->datalen;
1276 } while (blks != 0);
1277 ss->flags &= ~USB_READY;
1278
1279 debug("usb_write: end startblk " LBAF ", blccnt %x buffer %lx\n",
1280 start, smallblks, buf_addr);
1281
1282 usb_disable_asynch(0);
1283 if (blkcnt >= ss->max_xfer_blk)
1284 debug("\n");
1285 return blkcnt;
1286
1287}
1288
1289
1290int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
1291 struct us_data *ss)
1292{
1293 struct usb_interface *iface;
1294 int i;
1295 struct usb_endpoint_descriptor *ep_desc;
1296 unsigned int flags = 0;
1297
1298
1299 iface = &dev->config.if_desc[ifnum];
1300
1301 if (dev->descriptor.bDeviceClass != 0 ||
1302 iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE ||
1303 iface->desc.bInterfaceSubClass < US_SC_MIN ||
1304 iface->desc.bInterfaceSubClass > US_SC_MAX) {
1305 debug("Not mass storage\n");
1306
1307 return 0;
1308 }
1309
1310 memset(ss, 0, sizeof(struct us_data));
1311
1312
1313 debug("\n\nUSB Mass Storage device detected\n");
1314
1315
1316 ss->flags = flags;
1317 ss->ifnum = ifnum;
1318 ss->pusb_dev = dev;
1319 ss->attention_done = 0;
1320 ss->subclass = iface->desc.bInterfaceSubClass;
1321 ss->protocol = iface->desc.bInterfaceProtocol;
1322
1323
1324 debug("Transport: ");
1325 switch (ss->protocol) {
1326 case US_PR_CB:
1327 debug("Control/Bulk\n");
1328 ss->transport = usb_stor_CB_transport;
1329 ss->transport_reset = usb_stor_CB_reset;
1330 break;
1331
1332 case US_PR_CBI:
1333 debug("Control/Bulk/Interrupt\n");
1334 ss->transport = usb_stor_CB_transport;
1335 ss->transport_reset = usb_stor_CB_reset;
1336 break;
1337 case US_PR_BULK:
1338 debug("Bulk/Bulk/Bulk\n");
1339 ss->transport = usb_stor_BBB_transport;
1340 ss->transport_reset = usb_stor_BBB_reset;
1341 break;
1342 default:
1343 printf("USB Storage Transport unknown / not yet implemented\n");
1344 return 0;
1345 break;
1346 }
1347
1348
1349
1350
1351
1352
1353 for (i = 0; i < iface->desc.bNumEndpoints; i++) {
1354 ep_desc = &iface->ep_desc[i];
1355
1356 if ((ep_desc->bmAttributes &
1357 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
1358 if (ep_desc->bEndpointAddress & USB_DIR_IN)
1359 ss->ep_in = ep_desc->bEndpointAddress &
1360 USB_ENDPOINT_NUMBER_MASK;
1361 else
1362 ss->ep_out =
1363 ep_desc->bEndpointAddress &
1364 USB_ENDPOINT_NUMBER_MASK;
1365 }
1366
1367
1368 if ((ep_desc->bmAttributes &
1369 USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
1370 ss->ep_int = ep_desc->bEndpointAddress &
1371 USB_ENDPOINT_NUMBER_MASK;
1372 ss->irqinterval = ep_desc->bInterval;
1373 }
1374 }
1375 debug("Endpoints In %d Out %d Int %d\n",
1376 ss->ep_in, ss->ep_out, ss->ep_int);
1377
1378
1379 if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) ||
1380 !ss->ep_in || !ss->ep_out ||
1381 (ss->protocol == US_PR_CBI && ss->ep_int == 0)) {
1382 debug("Problems with device\n");
1383 return 0;
1384 }
1385
1386
1387
1388
1389
1390 if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI &&
1391 ss->subclass != US_SC_8070) {
1392 printf("Sorry, protocol %d not yet supported.\n", ss->subclass);
1393 return 0;
1394 }
1395 if (ss->ep_int) {
1396
1397
1398
1399 ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255;
1400 ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int);
1401 ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe);
1402 dev->irq_handle = usb_stor_irq;
1403 }
1404
1405
1406 usb_stor_set_max_xfer_blk(dev, ss);
1407
1408 dev->privptr = (void *)ss;
1409 return 1;
1410}
1411
1412int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
1413 struct blk_desc *dev_desc)
1414{
1415 unsigned char perq, modi;
1416 ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2);
1417 ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36);
1418 u32 capacity, blksz;
1419 struct scsi_cmd *pccb = &usb_ccb;
1420
1421 pccb->pdata = usb_stor_buf;
1422
1423 dev_desc->target = dev->devnum;
1424 pccb->lun = dev_desc->lun;
1425 debug(" address %d\n", dev_desc->target);
1426
1427 if (usb_inquiry(pccb, ss)) {
1428 debug("%s: usb_inquiry() failed\n", __func__);
1429 return -1;
1430 }
1431
1432 perq = usb_stor_buf[0];
1433 modi = usb_stor_buf[1];
1434
1435
1436
1437
1438
1439 if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) {
1440 debug("%s: unknown/unsupported device\n", __func__);
1441 return 0;
1442 }
1443 if ((modi&0x80) == 0x80) {
1444
1445 dev_desc->removable = 1;
1446 }
1447 memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8);
1448 memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16);
1449 memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4);
1450 dev_desc->vendor[8] = 0;
1451 dev_desc->product[16] = 0;
1452 dev_desc->revision[4] = 0;
1453#ifdef CONFIG_USB_BIN_FIXUP
1454 usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor,
1455 (uchar *)dev_desc->product);
1456#endif
1457 debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2],
1458 usb_stor_buf[3]);
1459 if (usb_test_unit_ready(pccb, ss)) {
1460 printf("Device NOT ready\n"
1461 " Request Sense returned %02X %02X %02X\n",
1462 pccb->sense_buf[2], pccb->sense_buf[12],
1463 pccb->sense_buf[13]);
1464 if (dev_desc->removable == 1)
1465 dev_desc->type = perq;
1466 return 0;
1467 }
1468 pccb->pdata = (unsigned char *)cap;
1469 memset(pccb->pdata, 0, 8);
1470 if (usb_read_capacity(pccb, ss) != 0) {
1471 printf("READ_CAP ERROR\n");
1472 cap[0] = 2880;
1473 cap[1] = 0x200;
1474 }
1475 ss->flags &= ~USB_READY;
1476 debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]);
1477#if 0
1478 if (cap[0] > (0x200000 * 10))
1479 cap[0] >>= 16;
1480
1481 cap[0] = cpu_to_be32(cap[0]);
1482 cap[1] = cpu_to_be32(cap[1]);
1483#endif
1484
1485 capacity = be32_to_cpu(cap[0]) + 1;
1486 blksz = be32_to_cpu(cap[1]);
1487
1488 debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz);
1489 dev_desc->lba = capacity;
1490 dev_desc->blksz = blksz;
1491 dev_desc->log2blksz = LOG2(dev_desc->blksz);
1492 dev_desc->type = perq;
1493 debug(" address %d\n", dev_desc->target);
1494
1495 return 1;
1496}
1497
1498#if CONFIG_IS_ENABLED(DM_USB)
1499
1500static int usb_mass_storage_probe(struct udevice *dev)
1501{
1502 struct usb_device *udev = dev_get_parent_priv(dev);
1503 int ret;
1504
1505 usb_disable_asynch(1);
1506 ret = usb_stor_probe_device(udev);
1507 usb_disable_asynch(0);
1508
1509 return ret;
1510}
1511
1512static const struct udevice_id usb_mass_storage_ids[] = {
1513 { .compatible = "usb-mass-storage" },
1514 { }
1515};
1516
1517U_BOOT_DRIVER(usb_mass_storage) = {
1518 .name = "usb_mass_storage",
1519 .id = UCLASS_MASS_STORAGE,
1520 .of_match = usb_mass_storage_ids,
1521 .probe = usb_mass_storage_probe,
1522#if CONFIG_IS_ENABLED(BLK)
1523 .platdata_auto_alloc_size = sizeof(struct us_data),
1524#endif
1525};
1526
1527UCLASS_DRIVER(usb_mass_storage) = {
1528 .id = UCLASS_MASS_STORAGE,
1529 .name = "usb_mass_storage",
1530};
1531
1532static const struct usb_device_id mass_storage_id_table[] = {
1533 {
1534 .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
1535 .bInterfaceClass = USB_CLASS_MASS_STORAGE
1536 },
1537 { }
1538};
1539
1540U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table);
1541#endif
1542
1543#if CONFIG_IS_ENABLED(BLK)
1544static const struct blk_ops usb_storage_ops = {
1545 .read = usb_stor_read,
1546 .write = usb_stor_write,
1547};
1548
1549U_BOOT_DRIVER(usb_storage_blk) = {
1550 .name = "usb_storage_blk",
1551 .id = UCLASS_BLK,
1552 .ops = &usb_storage_ops,
1553};
1554#else
1555U_BOOT_LEGACY_BLK(usb) = {
1556 .if_typename = "usb",
1557 .if_type = IF_TYPE_USB,
1558 .max_devs = USB_MAX_STOR_DEV,
1559 .desc = usb_dev_desc,
1560};
1561#endif
1562