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Merge branch 'mpc86xx'
[people/ms/u-boot.git] / common / usb_storage.c
1 /*
2 * Most of this source has been derived from the Linux USB
3 * project:
4 * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
5 * (c) 2000 David L. Brown, Jr. (usb-storage@davidb.org)
6 * (c) 1999 Michael Gee (michael@linuxspecific.com)
7 * (c) 2000 Yggdrasil Computing, Inc.
8 *
9 *
10 * Adapted for U-Boot:
11 * (C) Copyright 2001 Denis Peter, MPL AG Switzerland
12 *
13 * For BBB support (C) Copyright 2003
14 * Gary Jennejohn, DENX Software Engineering <gj@denx.de>
15 *
16 * BBB support based on /sys/dev/usb/umass.c from
17 * FreeBSD.
18 *
19 * See file CREDITS for list of people who contributed to this
20 * project.
21 *
22 * This program is free software; you can redistribute it and/or
23 * modify it under the terms of the GNU General Public License as
24 * published by the Free Software Foundation; either version 2 of
25 * the License, or (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
35 * MA 02111-1307 USA
36 *
37 */
38
39 /* Note:
40 * Currently only the CBI transport protocoll has been implemented, and it
41 * is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB
42 * transport protocoll may work as well.
43 */
44 /*
45 * New Note:
46 * Support for USB Mass Storage Devices (BBB) has been added. It has
47 * only been tested with USB memory sticks.
48 * Nota bene: if you are using the BBB support with a little-endian
49 * CPU then you MUST define LITTLEENDIAN in the configuration file!
50 */
51
52
53 #include <common.h>
54 #include <command.h>
55 #include <asm/processor.h>
56
57
58 #if (CONFIG_COMMANDS & CFG_CMD_USB)
59 #include <usb.h>
60
61 #ifdef CONFIG_USB_STORAGE
62
63 #undef USB_STOR_DEBUG
64 #undef BBB_COMDAT_TRACE
65 #undef BBB_XPORT_TRACE
66
67 #ifdef USB_STOR_DEBUG
68 #define USB_STOR_PRINTF(fmt,args...) printf (fmt ,##args)
69 #else
70 #define USB_STOR_PRINTF(fmt,args...)
71 #endif
72
73 #include <scsi.h>
74 /* direction table -- this indicates the direction of the data
75 * transfer for each command code -- a 1 indicates input
76 */
77 unsigned char us_direction[256/8] = {
78 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
79 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
80 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
81 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
82 };
83 #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
84
85 static unsigned char usb_stor_buf[512];
86 static ccb usb_ccb;
87
88 /*
89 * CBI style
90 */
91
92 #define US_CBI_ADSC 0
93
94 /*
95 * BULK only
96 */
97 #define US_BBB_RESET 0xff
98 #define US_BBB_GET_MAX_LUN 0xfe
99
100 /* Command Block Wrapper */
101 typedef struct {
102 __u32 dCBWSignature;
103 # define CBWSIGNATURE 0x43425355
104 __u32 dCBWTag;
105 __u32 dCBWDataTransferLength;
106 __u8 bCBWFlags;
107 # define CBWFLAGS_OUT 0x00
108 # define CBWFLAGS_IN 0x80
109 __u8 bCBWLUN;
110 __u8 bCDBLength;
111 # define CBWCDBLENGTH 16
112 __u8 CBWCDB[CBWCDBLENGTH];
113 } umass_bbb_cbw_t;
114 #define UMASS_BBB_CBW_SIZE 31
115 static __u32 CBWTag = 0;
116
117 /* Command Status Wrapper */
118 typedef struct {
119 __u32 dCSWSignature;
120 # define CSWSIGNATURE 0x53425355
121 __u32 dCSWTag;
122 __u32 dCSWDataResidue;
123 __u8 bCSWStatus;
124 # define CSWSTATUS_GOOD 0x0
125 # define CSWSTATUS_FAILED 0x1
126 # define CSWSTATUS_PHASE 0x2
127 } umass_bbb_csw_t;
128 #define UMASS_BBB_CSW_SIZE 13
129
130 #define USB_MAX_STOR_DEV 5
131 static int usb_max_devs = 0; /* number of highest available usb device */
132
133 static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV];
134
135 struct us_data;
136 typedef int (*trans_cmnd)(ccb*, struct us_data*);
137 typedef int (*trans_reset)(struct us_data*);
138
139 struct us_data {
140 struct usb_device *pusb_dev; /* this usb_device */
141 unsigned int flags; /* from filter initially */
142 unsigned char ifnum; /* interface number */
143 unsigned char ep_in; /* in endpoint */
144 unsigned char ep_out; /* out ....... */
145 unsigned char ep_int; /* interrupt . */
146 unsigned char subclass; /* as in overview */
147 unsigned char protocol; /* .............. */
148 unsigned char attention_done; /* force attn on first cmd */
149 unsigned short ip_data; /* interrupt data */
150 int action; /* what to do */
151 int ip_wanted; /* needed */
152 int *irq_handle; /* for USB int requests */
153 unsigned int irqpipe; /* pipe for release_irq */
154 unsigned char irqmaxp; /* max packed for irq Pipe */
155 unsigned char irqinterval; /* Intervall for IRQ Pipe */
156 ccb *srb; /* current srb */
157 trans_reset transport_reset; /* reset routine */
158 trans_cmnd transport; /* transport routine */
159 };
160
161 static struct us_data usb_stor[USB_MAX_STOR_DEV];
162
163
164 #define USB_STOR_TRANSPORT_GOOD 0
165 #define USB_STOR_TRANSPORT_FAILED -1
166 #define USB_STOR_TRANSPORT_ERROR -2
167
168
169 int usb_stor_get_info(struct usb_device *dev, struct us_data *us, block_dev_desc_t *dev_desc);
170 int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data *ss);
171 unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, unsigned long *buffer);
172 struct usb_device * usb_get_dev_index(int index);
173 void uhci_show_temp_int_td(void);
174
175 block_dev_desc_t *usb_stor_get_dev(int index)
176 {
177 return &usb_dev_desc[index];
178 }
179
180
181 void usb_show_progress(void)
182 {
183 printf(".");
184 }
185
186 /*********************************************************************************
187 * show info on storage devices; 'usb start/init' must be invoked earlier
188 * as we only retrieve structures populated during devices initialization
189 */
190 void usb_stor_info(void)
191 {
192 int i;
193
194 if (usb_max_devs > 0)
195 for (i = 0; i < usb_max_devs; i++) {
196 printf (" Device %d: ", i);
197 dev_print(&usb_dev_desc[i]);
198 }
199 else
200 printf("No storage devices, perhaps not 'usb start'ed..?\n");
201 }
202
203 /*********************************************************************************
204 * scan the usb and reports device info
205 * to the user if mode = 1
206 * returns current device or -1 if no
207 */
208 int usb_stor_scan(int mode)
209 {
210 unsigned char i;
211 struct usb_device *dev;
212
213 /* GJ */
214 memset(usb_stor_buf, 0, sizeof(usb_stor_buf));
215
216 if(mode==1) {
217 printf(" scanning bus for storage devices... ");
218 }
219 usb_disable_asynch(1); /* asynch transfer not allowed */
220
221 for(i=0;i<USB_MAX_STOR_DEV;i++) {
222 memset(&usb_dev_desc[i],0,sizeof(block_dev_desc_t));
223 usb_dev_desc[i].target=0xff;
224 usb_dev_desc[i].if_type=IF_TYPE_USB;
225 usb_dev_desc[i].dev=i;
226 usb_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
227 usb_dev_desc[i].block_read=usb_stor_read;
228 }
229
230 usb_max_devs=0;
231 for(i=0;i<USB_MAX_DEVICE;i++) {
232 dev=usb_get_dev_index(i); /* get device */
233 USB_STOR_PRINTF("i=%d\n",i);
234 if(dev==NULL) {
235 break; /* no more devices avaiable */
236 }
237 if(usb_storage_probe(dev,0,&usb_stor[usb_max_devs])) { /* ok, it is a storage devices */
238 /* get info and fill it in */
239 if(usb_stor_get_info(dev, &usb_stor[usb_max_devs], &usb_dev_desc[usb_max_devs]))
240 usb_max_devs++;
241 } /* if storage device */
242 if(usb_max_devs==USB_MAX_STOR_DEV) {
243 printf("max USB Storage Device reached: %d stopping\n",usb_max_devs);
244 break;
245 }
246 } /* for */
247
248 usb_disable_asynch(0); /* asynch transfer allowed */
249 printf("%d Storage Device(s) found\n", usb_max_devs);
250 if(usb_max_devs>0)
251 return 0;
252 else
253 return-1;
254 }
255
256 static int usb_stor_irq(struct usb_device *dev)
257 {
258 struct us_data *us;
259 us=(struct us_data *)dev->privptr;
260
261 if(us->ip_wanted) {
262 us->ip_wanted=0;
263 }
264 return 0;
265 }
266
267
268 #ifdef USB_STOR_DEBUG
269
270 static void usb_show_srb(ccb * pccb)
271 {
272 int i;
273 printf("SRB: len %d datalen 0x%lX\n ",pccb->cmdlen,pccb->datalen);
274 for(i=0;i<12;i++) {
275 printf("%02X ",pccb->cmd[i]);
276 }
277 printf("\n");
278 }
279
280 static void display_int_status(unsigned long tmp)
281 {
282 printf("Status: %s %s %s %s %s %s %s\n",
283 (tmp & USB_ST_ACTIVE) ? "Active" : "",
284 (tmp & USB_ST_STALLED) ? "Stalled" : "",
285 (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "",
286 (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "",
287 (tmp & USB_ST_NAK_REC) ? "NAKed" : "",
288 (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "",
289 (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : "");
290 }
291 #endif
292 /***********************************************************************
293 * Data transfer routines
294 ***********************************************************************/
295
296 static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)
297 {
298 int max_size;
299 int this_xfer;
300 int result;
301 int partial;
302 int maxtry;
303 int stat;
304
305 /* determine the maximum packet size for these transfers */
306 max_size = usb_maxpacket(us->pusb_dev, pipe) * 16;
307
308 /* while we have data left to transfer */
309 while (length) {
310
311 /* calculate how long this will be -- maximum or a remainder */
312 this_xfer = length > max_size ? max_size : length;
313 length -= this_xfer;
314
315 /* setup the retry counter */
316 maxtry = 10;
317
318 /* set up the transfer loop */
319 do {
320 /* transfer the data */
321 USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n",
322 (unsigned int)buf, this_xfer, 11 - maxtry);
323 result = usb_bulk_msg(us->pusb_dev, pipe, buf,
324 this_xfer, &partial, USB_CNTL_TIMEOUT*5);
325 USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n",
326 result, partial, this_xfer);
327 if(us->pusb_dev->status!=0) {
328 /* if we stall, we need to clear it before we go on */
329 #ifdef USB_STOR_DEBUG
330 display_int_status(us->pusb_dev->status);
331 #endif
332 if (us->pusb_dev->status & USB_ST_STALLED) {
333 USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe);
334 stat = us->pusb_dev->status;
335 usb_clear_halt(us->pusb_dev, pipe);
336 us->pusb_dev->status=stat;
337 if(this_xfer == partial) {
338 USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n",us->pusb_dev->status);
339 return 0;
340 }
341 else
342 return result;
343 }
344 if (us->pusb_dev->status & USB_ST_NAK_REC) {
345 USB_STOR_PRINTF("Device NAKed bulk_msg\n");
346 return result;
347 }
348 if(this_xfer == partial) {
349 USB_STOR_PRINTF("bulk transferred with error %d, but data ok\n",us->pusb_dev->status);
350 return 0;
351 }
352 /* if our try counter reaches 0, bail out */
353 USB_STOR_PRINTF("bulk transferred with error %d, data %d\n",us->pusb_dev->status,partial);
354 if (!maxtry--)
355 return result;
356 }
357 /* update to show what data was transferred */
358 this_xfer -= partial;
359 buf += partial;
360 /* continue until this transfer is done */
361 } while ( this_xfer );
362 }
363
364 /* if we get here, we're done and successful */
365 return 0;
366 }
367
368 static int usb_stor_BBB_reset(struct us_data *us)
369 {
370 int result;
371 unsigned int pipe;
372
373 /*
374 * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class)
375 *
376 * For Reset Recovery the host shall issue in the following order:
377 * a) a Bulk-Only Mass Storage Reset
378 * b) a Clear Feature HALT to the Bulk-In endpoint
379 * c) a Clear Feature HALT to the Bulk-Out endpoint
380 *
381 * This is done in 3 steps.
382 *
383 * If the reset doesn't succeed, the device should be port reset.
384 *
385 * This comment stolen from FreeBSD's /sys/dev/usb/umass.c.
386 */
387 USB_STOR_PRINTF("BBB_reset\n");
388 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
389 US_BBB_RESET, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
390 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT*5);
391
392 if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED))
393 {
394 USB_STOR_PRINTF("RESET:stall\n");
395 return -1;
396 }
397
398 /* long wait for reset */
399 wait_ms(150);
400 USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n",result,us->pusb_dev->status);
401 pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
402 result = usb_clear_halt(us->pusb_dev, pipe);
403 /* long wait for reset */
404 wait_ms(150);
405 USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n",result,us->pusb_dev->status);
406 /* long wait for reset */
407 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
408 result = usb_clear_halt(us->pusb_dev, pipe);
409 wait_ms(150);
410 USB_STOR_PRINTF("BBB_reset result %d: status %X clearing OUT endpoint\n",result,us->pusb_dev->status);
411 USB_STOR_PRINTF("BBB_reset done\n");
412 return 0;
413 }
414
415 /* FIXME: this reset function doesn't really reset the port, and it
416 * should. Actually it should probably do what it's doing here, and
417 * reset the port physically
418 */
419 static int usb_stor_CB_reset(struct us_data *us)
420 {
421 unsigned char cmd[12];
422 int result;
423
424 USB_STOR_PRINTF("CB_reset\n");
425 memset(cmd, 0xFF, sizeof(cmd));
426 cmd[0] = SCSI_SEND_DIAG;
427 cmd[1] = 4;
428 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
429 US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
430 0, us->ifnum, cmd, sizeof(cmd), USB_CNTL_TIMEOUT*5);
431
432 /* long wait for reset */
433 wait_ms(1500);
434 USB_STOR_PRINTF("CB_reset result %d: status %X clearing endpoint halt\n",result,us->pusb_dev->status);
435 usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in));
436 usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out));
437
438 USB_STOR_PRINTF("CB_reset done\n");
439 return 0;
440 }
441
442 /*
443 * Set up the command for a BBB device. Note that the actual SCSI
444 * command is copied into cbw.CBWCDB.
445 */
446 int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
447 {
448 int result;
449 int actlen;
450 int dir_in;
451 unsigned int pipe;
452 umass_bbb_cbw_t cbw;
453
454 dir_in = US_DIRECTION(srb->cmd[0]);
455
456 #ifdef BBB_COMDAT_TRACE
457 printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, srb->pdata);
458 if (srb->cmdlen) {
459 for(result = 0;result < srb->cmdlen;result++)
460 printf("cmd[%d] %#x ", result, srb->cmd[result]);
461 printf("\n");
462 }
463 #endif
464 /* sanity checks */
465 if (!(srb->cmdlen <= CBWCDBLENGTH)) {
466 USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n");
467 return -1;
468 }
469
470 /* always OUT to the ep */
471 pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
472
473 cbw.dCBWSignature = swap_32(CBWSIGNATURE);
474 cbw.dCBWTag = swap_32(CBWTag++);
475 cbw.dCBWDataTransferLength = swap_32(srb->datalen);
476 cbw.bCBWFlags = (dir_in? CBWFLAGS_IN : CBWFLAGS_OUT);
477 cbw.bCBWLUN = srb->lun;
478 cbw.bCDBLength = srb->cmdlen;
479 /* copy the command data into the CBW command data buffer */
480 /* DST SRC LEN!!! */
481 memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen);
482 result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE, &actlen, USB_CNTL_TIMEOUT*5);
483 if (result < 0)
484 USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n");
485 return result;
486 }
487
488 /* FIXME: we also need a CBI_command which sets up the completion
489 * interrupt, and waits for it
490 */
491 int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
492 {
493 int result = 0;
494 int dir_in,retry;
495 unsigned int pipe;
496 unsigned long status;
497
498 retry=5;
499 dir_in=US_DIRECTION(srb->cmd[0]);
500
501 if(dir_in)
502 pipe=usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
503 else
504 pipe=usb_sndbulkpipe(us->pusb_dev, us->ep_out);
505 while(retry--) {
506 USB_STOR_PRINTF("CBI gets a command: Try %d\n",5-retry);
507 #ifdef USB_STOR_DEBUG
508 usb_show_srb(srb);
509 #endif
510 /* let's send the command via the control pipe */
511 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
512 US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
513 0, us->ifnum,
514 srb->cmd, srb->cmdlen, USB_CNTL_TIMEOUT*5);
515 USB_STOR_PRINTF("CB_transport: control msg returned %d, status %X\n",result,us->pusb_dev->status);
516 /* check the return code for the command */
517 if (result < 0) {
518 if(us->pusb_dev->status & USB_ST_STALLED) {
519 status=us->pusb_dev->status;
520 USB_STOR_PRINTF(" stall during command found, clear pipe\n");
521 usb_clear_halt(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0));
522 us->pusb_dev->status=status;
523 }
524 USB_STOR_PRINTF(" error during command %02X Stat = %X\n",srb->cmd[0],us->pusb_dev->status);
525 return result;
526 }
527 /* transfer the data payload for this command, if one exists*/
528
529 USB_STOR_PRINTF("CB_transport: control msg returned %d, direction is %s to go 0x%lx\n",result,dir_in ? "IN" : "OUT",srb->datalen);
530 if (srb->datalen) {
531 result = us_one_transfer(us, pipe, (char *)srb->pdata,srb->datalen);
532 USB_STOR_PRINTF("CBI attempted to transfer data, result is %d status %lX, len %d\n", result,us->pusb_dev->status,us->pusb_dev->act_len);
533 if(!(us->pusb_dev->status & USB_ST_NAK_REC))
534 break;
535 } /* if (srb->datalen) */
536 else
537 break;
538 }
539 /* return result */
540
541 return result;
542 }
543
544
545 int usb_stor_CBI_get_status (ccb * srb, struct us_data *us)
546 {
547 int timeout;
548
549 us->ip_wanted = 1;
550 submit_int_msg (us->pusb_dev, us->irqpipe,
551 (void *) &us->ip_data, us->irqmaxp, us->irqinterval);
552 timeout = 1000;
553 while (timeout--) {
554 if ((volatile int *) us->ip_wanted == 0)
555 break;
556 wait_ms (10);
557 }
558 if (us->ip_wanted) {
559 printf (" Did not get interrupt on CBI\n");
560 us->ip_wanted = 0;
561 return USB_STOR_TRANSPORT_ERROR;
562 }
563 USB_STOR_PRINTF
564 ("Got interrupt data 0x%x, transfered %d status 0x%lX\n",
565 us->ip_data, us->pusb_dev->irq_act_len,
566 us->pusb_dev->irq_status);
567 /* UFI gives us ASC and ASCQ, like a request sense */
568 if (us->subclass == US_SC_UFI) {
569 if (srb->cmd[0] == SCSI_REQ_SENSE ||
570 srb->cmd[0] == SCSI_INQUIRY)
571 return USB_STOR_TRANSPORT_GOOD; /* Good */
572 else if (us->ip_data)
573 return USB_STOR_TRANSPORT_FAILED;
574 else
575 return USB_STOR_TRANSPORT_GOOD;
576 }
577 /* otherwise, we interpret the data normally */
578 switch (us->ip_data) {
579 case 0x0001:
580 return USB_STOR_TRANSPORT_GOOD;
581 case 0x0002:
582 return USB_STOR_TRANSPORT_FAILED;
583 default:
584 return USB_STOR_TRANSPORT_ERROR;
585 } /* switch */
586 return USB_STOR_TRANSPORT_ERROR;
587 }
588
589 #define USB_TRANSPORT_UNKNOWN_RETRY 5
590 #define USB_TRANSPORT_NOT_READY_RETRY 10
591
592 /* clear a stall on an endpoint - special for BBB devices */
593 int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
594 {
595 int result;
596
597 /* ENDPOINT_HALT = 0, so set value to 0 */
598 result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev,0),
599 USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
600 0, endpt, 0, 0, USB_CNTL_TIMEOUT*5);
601 return result;
602 }
603
604 int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
605 {
606 int result, retry;
607 int dir_in;
608 int actlen, data_actlen;
609 unsigned int pipe, pipein, pipeout;
610 umass_bbb_csw_t csw;
611 #ifdef BBB_XPORT_TRACE
612 unsigned char *ptr;
613 int index;
614 #endif
615
616 dir_in = US_DIRECTION(srb->cmd[0]);
617
618 /* COMMAND phase */
619 USB_STOR_PRINTF("COMMAND phase\n");
620 result = usb_stor_BBB_comdat(srb, us);
621 if (result < 0) {
622 USB_STOR_PRINTF("failed to send CBW status %ld\n",
623 us->pusb_dev->status);
624 usb_stor_BBB_reset(us);
625 return USB_STOR_TRANSPORT_FAILED;
626 }
627 wait_ms(5);
628 pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
629 pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
630 /* DATA phase + error handling */
631 data_actlen = 0;
632 /* no data, go immediately to the STATUS phase */
633 if (srb->datalen == 0)
634 goto st;
635 USB_STOR_PRINTF("DATA phase\n");
636 if (dir_in)
637 pipe = pipein;
638 else
639 pipe = pipeout;
640 result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, &data_actlen, USB_CNTL_TIMEOUT*5);
641 /* special handling of STALL in DATA phase */
642 if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
643 USB_STOR_PRINTF("DATA:stall\n");
644 /* clear the STALL on the endpoint */
645 result = usb_stor_BBB_clear_endpt_stall(us, dir_in? us->ep_in : us->ep_out);
646 if (result >= 0)
647 /* continue on to STATUS phase */
648 goto st;
649 }
650 if (result < 0) {
651 USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
652 us->pusb_dev->status);
653 usb_stor_BBB_reset(us);
654 return USB_STOR_TRANSPORT_FAILED;
655 }
656 #ifdef BBB_XPORT_TRACE
657 for (index = 0; index < data_actlen; index++)
658 printf("pdata[%d] %#x ", index, srb->pdata[index]);
659 printf("\n");
660 #endif
661 /* STATUS phase + error handling */
662 st:
663 retry = 0;
664 again:
665 USB_STOR_PRINTF("STATUS phase\n");
666 result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE,
667 &actlen, USB_CNTL_TIMEOUT*5);
668
669 /* special handling of STALL in STATUS phase */
670 if((result < 0) && (retry < 1) && (us->pusb_dev->status & USB_ST_STALLED)) {
671 USB_STOR_PRINTF("STATUS:stall\n");
672 /* clear the STALL on the endpoint */
673 result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in);
674 if (result >= 0 && (retry++ < 1))
675 /* do a retry */
676 goto again;
677 }
678 if (result < 0) {
679 USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
680 us->pusb_dev->status);
681 usb_stor_BBB_reset(us);
682 return USB_STOR_TRANSPORT_FAILED;
683 }
684 #ifdef BBB_XPORT_TRACE
685 ptr = (unsigned char *)&csw;
686 for (index = 0; index < UMASS_BBB_CSW_SIZE; index++)
687 printf("ptr[%d] %#x ", index, ptr[index]);
688 printf("\n");
689 #endif
690 /* misuse pipe to get the residue */
691 pipe = swap_32(csw.dCSWDataResidue);
692 if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
693 pipe = srb->datalen - data_actlen;
694 if (CSWSIGNATURE != swap_32(csw.dCSWSignature)) {
695 USB_STOR_PRINTF("!CSWSIGNATURE\n");
696 usb_stor_BBB_reset(us);
697 return USB_STOR_TRANSPORT_FAILED;
698 } else if ((CBWTag - 1) != swap_32(csw.dCSWTag)) {
699 USB_STOR_PRINTF("!Tag\n");
700 usb_stor_BBB_reset(us);
701 return USB_STOR_TRANSPORT_FAILED;
702 } else if (csw.bCSWStatus > CSWSTATUS_PHASE) {
703 USB_STOR_PRINTF(">PHASE\n");
704 usb_stor_BBB_reset(us);
705 return USB_STOR_TRANSPORT_FAILED;
706 } else if (csw.bCSWStatus == CSWSTATUS_PHASE) {
707 USB_STOR_PRINTF("=PHASE\n");
708 usb_stor_BBB_reset(us);
709 return USB_STOR_TRANSPORT_FAILED;
710 } else if (data_actlen > srb->datalen) {
711 USB_STOR_PRINTF("transferred %dB instead of %dB\n",
712 data_actlen, srb->datalen);
713 return USB_STOR_TRANSPORT_FAILED;
714 } else if (csw.bCSWStatus == CSWSTATUS_FAILED) {
715 USB_STOR_PRINTF("FAILED\n");
716 return USB_STOR_TRANSPORT_FAILED;
717 }
718
719 return result;
720 }
721
722 int usb_stor_CB_transport(ccb *srb, struct us_data *us)
723 {
724 int result,status;
725 ccb *psrb;
726 ccb reqsrb;
727 int retry,notready;
728
729 psrb=&reqsrb;
730 status=USB_STOR_TRANSPORT_GOOD;
731 retry=0;
732 notready=0;
733 /* issue the command */
734 do_retry:
735 result=usb_stor_CB_comdat(srb,us);
736 USB_STOR_PRINTF("command / Data returned %d, status %X\n",result,us->pusb_dev->status);
737 /* if this is an CBI Protocol, get IRQ */
738 if(us->protocol==US_PR_CBI) {
739 status=usb_stor_CBI_get_status(srb,us);
740 /* if the status is error, report it */
741 if(status==USB_STOR_TRANSPORT_ERROR) {
742 USB_STOR_PRINTF(" USB CBI Command Error\n");
743 return status;
744 }
745 srb->sense_buf[12]=(unsigned char)(us->ip_data>>8);
746 srb->sense_buf[13]=(unsigned char)(us->ip_data&0xff);
747 if(!us->ip_data) {
748 /* if the status is good, report it */
749 if(status==USB_STOR_TRANSPORT_GOOD) {
750 USB_STOR_PRINTF(" USB CBI Command Good\n");
751 return status;
752 }
753 }
754 }
755 /* do we have to issue an auto request? */
756 /* HERE we have to check the result */
757 if((result<0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
758 USB_STOR_PRINTF("ERROR %X\n",us->pusb_dev->status);
759 us->transport_reset(us);
760 return USB_STOR_TRANSPORT_ERROR;
761 }
762 if((us->protocol==US_PR_CBI) &&
763 ((srb->cmd[0]==SCSI_REQ_SENSE) ||
764 (srb->cmd[0]==SCSI_INQUIRY))) { /* do not issue an autorequest after request sense */
765 USB_STOR_PRINTF("No auto request and good\n");
766 return USB_STOR_TRANSPORT_GOOD;
767 }
768 /* issue an request_sense */
769 memset(&psrb->cmd[0],0,12);
770 psrb->cmd[0]=SCSI_REQ_SENSE;
771 psrb->cmd[1]=srb->lun<<5;
772 psrb->cmd[4]=18;
773 psrb->datalen=18;
774 psrb->pdata=&srb->sense_buf[0];
775 psrb->cmdlen=12;
776 /* issue the command */
777 result=usb_stor_CB_comdat(psrb,us);
778 USB_STOR_PRINTF("auto request returned %d\n",result);
779 /* if this is an CBI Protocol, get IRQ */
780 if(us->protocol==US_PR_CBI) {
781 status=usb_stor_CBI_get_status(psrb,us);
782 }
783 if((result<0)&&!(us->pusb_dev->status & USB_ST_STALLED)) {
784 USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n",us->pusb_dev->status);
785 return USB_STOR_TRANSPORT_ERROR;
786 }
787 USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n",srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
788 /* Check the auto request result */
789 if((srb->sense_buf[2]==0) &&
790 (srb->sense_buf[12]==0) &&
791 (srb->sense_buf[13]==0)) /* ok, no sense */
792 return USB_STOR_TRANSPORT_GOOD;
793 /* Check the auto request result */
794 switch(srb->sense_buf[2]) {
795 case 0x01: /* Recovered Error */
796 return USB_STOR_TRANSPORT_GOOD;
797 break;
798 case 0x02: /* Not Ready */
799 if(notready++ > USB_TRANSPORT_NOT_READY_RETRY) {
800 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X (NOT READY)\n",
801 srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
802 return USB_STOR_TRANSPORT_FAILED;
803 } else {
804 wait_ms(100);
805 goto do_retry;
806 }
807 break;
808 default:
809 if(retry++ > USB_TRANSPORT_UNKNOWN_RETRY) {
810 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
811 srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
812 return USB_STOR_TRANSPORT_FAILED;
813 } else {
814 goto do_retry;
815 }
816 break;
817 }
818 return USB_STOR_TRANSPORT_FAILED;
819 }
820
821
822 static int usb_inquiry(ccb *srb,struct us_data *ss)
823 {
824 int retry,i;
825 retry=5;
826 do {
827 memset(&srb->cmd[0],0,12);
828 srb->cmd[0]=SCSI_INQUIRY;
829 srb->cmd[1]=srb->lun<<5;
830 srb->cmd[4]=36;
831 srb->datalen=36;
832 srb->cmdlen=12;
833 i=ss->transport(srb,ss);
834 USB_STOR_PRINTF("inquiry returns %d\n",i);
835 if(i==0)
836 break;
837 } while(retry--);
838
839 if(!retry) {
840 printf("error in inquiry\n");
841 return -1;
842 }
843 return 0;
844 }
845
846 static int usb_request_sense(ccb *srb,struct us_data *ss)
847 {
848 char *ptr;
849
850 ptr=(char *)srb->pdata;
851 memset(&srb->cmd[0],0,12);
852 srb->cmd[0]=SCSI_REQ_SENSE;
853 srb->cmd[1]=srb->lun<<5;
854 srb->cmd[4]=18;
855 srb->datalen=18;
856 srb->pdata=&srb->sense_buf[0];
857 srb->cmdlen=12;
858 ss->transport(srb,ss);
859 USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n",srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
860 srb->pdata=(uchar *)ptr;
861 return 0;
862 }
863
864 static int usb_test_unit_ready(ccb *srb,struct us_data *ss)
865 {
866 int retries = 10;
867
868 do {
869 memset(&srb->cmd[0],0,12);
870 srb->cmd[0]=SCSI_TST_U_RDY;
871 srb->cmd[1]=srb->lun<<5;
872 srb->datalen=0;
873 srb->cmdlen=12;
874 if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
875 return 0;
876 }
877 usb_request_sense (srb, ss);
878 wait_ms (100);
879 } while(retries--);
880
881 return -1;
882 }
883
884 static int usb_read_capacity(ccb *srb,struct us_data *ss)
885 {
886 int retry;
887 retry = 3; /* retries */
888 do {
889 memset(&srb->cmd[0],0,12);
890 srb->cmd[0]=SCSI_RD_CAPAC;
891 srb->cmd[1]=srb->lun<<5;
892 srb->datalen=8;
893 srb->cmdlen=12;
894 if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
895 return 0;
896 }
897 } while(retry--);
898
899 return -1;
900 }
901
902 static int usb_read_10(ccb *srb,struct us_data *ss, unsigned long start, unsigned short blocks)
903 {
904 memset(&srb->cmd[0],0,12);
905 srb->cmd[0]=SCSI_READ10;
906 srb->cmd[1]=srb->lun<<5;
907 srb->cmd[2]=((unsigned char) (start>>24))&0xff;
908 srb->cmd[3]=((unsigned char) (start>>16))&0xff;
909 srb->cmd[4]=((unsigned char) (start>>8))&0xff;
910 srb->cmd[5]=((unsigned char) (start))&0xff;
911 srb->cmd[7]=((unsigned char) (blocks>>8))&0xff;
912 srb->cmd[8]=(unsigned char) blocks & 0xff;
913 srb->cmdlen=12;
914 USB_STOR_PRINTF("read10: start %lx blocks %x\n",start,blocks);
915 return ss->transport(srb,ss);
916 }
917
918
919 #define USB_MAX_READ_BLK 20
920
921 unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, unsigned long *buffer)
922 {
923 unsigned long start,blks, buf_addr;
924 unsigned short smallblks;
925 struct usb_device *dev;
926 int retry,i;
927 ccb *srb = &usb_ccb;
928
929 if (blkcnt == 0)
930 return 0;
931
932 device &= 0xff;
933 /* Setup device
934 */
935 USB_STOR_PRINTF("\nusb_read: dev %d \n",device);
936 dev=NULL;
937 for(i=0;i<USB_MAX_DEVICE;i++) {
938 dev=usb_get_dev_index(i);
939 if(dev==NULL) {
940 return 0;
941 }
942 if(dev->devnum==usb_dev_desc[device].target)
943 break;
944 }
945
946 usb_disable_asynch(1); /* asynch transfer not allowed */
947 srb->lun=usb_dev_desc[device].lun;
948 buf_addr=(unsigned long)buffer;
949 start=blknr;
950 blks=blkcnt;
951 if(usb_test_unit_ready(srb,(struct us_data *)dev->privptr)) {
952 printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n",
953 srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
954 return 0;
955 }
956 USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx buffer %lx\n",device,start,blks, buf_addr);
957 do {
958 retry=2;
959 srb->pdata=(unsigned char *)buf_addr;
960 if(blks>USB_MAX_READ_BLK) {
961 smallblks=USB_MAX_READ_BLK;
962 } else {
963 smallblks=(unsigned short) blks;
964 }
965 retry_it:
966 if(smallblks==USB_MAX_READ_BLK)
967 usb_show_progress();
968 srb->datalen=usb_dev_desc[device].blksz * smallblks;
969 srb->pdata=(unsigned char *)buf_addr;
970 if(usb_read_10(srb,(struct us_data *)dev->privptr, start, smallblks)) {
971 USB_STOR_PRINTF("Read ERROR\n");
972 usb_request_sense(srb,(struct us_data *)dev->privptr);
973 if(retry--)
974 goto retry_it;
975 blkcnt-=blks;
976 break;
977 }
978 start+=smallblks;
979 blks-=smallblks;
980 buf_addr+=srb->datalen;
981 } while(blks!=0);
982 USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n",start,smallblks,buf_addr);
983 usb_disable_asynch(0); /* asynch transfer allowed */
984 if(blkcnt>=USB_MAX_READ_BLK)
985 printf("\n");
986 return(blkcnt);
987 }
988
989
990 /* Probe to see if a new device is actually a Storage device */
991 int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data *ss)
992 {
993 struct usb_interface_descriptor *iface;
994 int i;
995 unsigned int flags = 0;
996
997 int protocol = 0;
998 int subclass = 0;
999
1000 /* let's examine the device now */
1001 iface = &dev->config.if_desc[ifnum];
1002
1003 #if 0
1004 /* this is the place to patch some storage devices */
1005 USB_STOR_PRINTF("iVendor %X iProduct %X\n",dev->descriptor.idVendor,dev->descriptor.idProduct);
1006 if ((dev->descriptor.idVendor) == 0x066b && (dev->descriptor.idProduct) == 0x0103) {
1007 USB_STOR_PRINTF("patched for E-USB\n");
1008 protocol = US_PR_CB;
1009 subclass = US_SC_UFI; /* an assumption */
1010 }
1011 #endif
1012
1013 if (dev->descriptor.bDeviceClass != 0 ||
1014 iface->bInterfaceClass != USB_CLASS_MASS_STORAGE ||
1015 iface->bInterfaceSubClass < US_SC_MIN ||
1016 iface->bInterfaceSubClass > US_SC_MAX) {
1017 /* if it's not a mass storage, we go no further */
1018 return 0;
1019 }
1020
1021 memset(ss, 0, sizeof(struct us_data));
1022
1023 /* At this point, we know we've got a live one */
1024 USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n");
1025
1026 /* Initialize the us_data structure with some useful info */
1027 ss->flags = flags;
1028 ss->ifnum = ifnum;
1029 ss->pusb_dev = dev;
1030 ss->attention_done = 0;
1031
1032 /* If the device has subclass and protocol, then use that. Otherwise,
1033 * take data from the specific interface.
1034 */
1035 if (subclass) {
1036 ss->subclass = subclass;
1037 ss->protocol = protocol;
1038 } else {
1039 ss->subclass = iface->bInterfaceSubClass;
1040 ss->protocol = iface->bInterfaceProtocol;
1041 }
1042
1043 /* set the handler pointers based on the protocol */
1044 USB_STOR_PRINTF("Transport: ");
1045 switch (ss->protocol) {
1046 case US_PR_CB:
1047 USB_STOR_PRINTF("Control/Bulk\n");
1048 ss->transport = usb_stor_CB_transport;
1049 ss->transport_reset = usb_stor_CB_reset;
1050 break;
1051
1052 case US_PR_CBI:
1053 USB_STOR_PRINTF("Control/Bulk/Interrupt\n");
1054 ss->transport = usb_stor_CB_transport;
1055 ss->transport_reset = usb_stor_CB_reset;
1056 break;
1057 case US_PR_BULK:
1058 USB_STOR_PRINTF("Bulk/Bulk/Bulk\n");
1059 ss->transport = usb_stor_BBB_transport;
1060 ss->transport_reset = usb_stor_BBB_reset;
1061 break;
1062 default:
1063 printf("USB Storage Transport unknown / not yet implemented\n");
1064 return 0;
1065 break;
1066 }
1067
1068 /*
1069 * We are expecting a minimum of 2 endpoints - in and out (bulk).
1070 * An optional interrupt is OK (necessary for CBI protocol).
1071 * We will ignore any others.
1072 */
1073 for (i = 0; i < iface->bNumEndpoints; i++) {
1074 /* is it an BULK endpoint? */
1075 if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
1076 == USB_ENDPOINT_XFER_BULK) {
1077 if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
1078 ss->ep_in = iface->ep_desc[i].bEndpointAddress &
1079 USB_ENDPOINT_NUMBER_MASK;
1080 else
1081 ss->ep_out = iface->ep_desc[i].bEndpointAddress &
1082 USB_ENDPOINT_NUMBER_MASK;
1083 }
1084
1085 /* is it an interrupt endpoint? */
1086 if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
1087 == USB_ENDPOINT_XFER_INT) {
1088 ss->ep_int = iface->ep_desc[i].bEndpointAddress &
1089 USB_ENDPOINT_NUMBER_MASK;
1090 ss->irqinterval = iface->ep_desc[i].bInterval;
1091 }
1092 }
1093 USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n",
1094 ss->ep_in, ss->ep_out, ss->ep_int);
1095
1096 /* Do some basic sanity checks, and bail if we find a problem */
1097 if (usb_set_interface(dev, iface->bInterfaceNumber, 0) ||
1098 !ss->ep_in || !ss->ep_out ||
1099 (ss->protocol == US_PR_CBI && ss->ep_int == 0)) {
1100 USB_STOR_PRINTF("Problems with device\n");
1101 return 0;
1102 }
1103 /* set class specific stuff */
1104 /* We only handle certain protocols. Currently, these are
1105 * the only ones.
1106 * The SFF8070 accepts the requests used in u-boot
1107 */
1108 if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI &&
1109 ss->subclass != US_SC_8070) {
1110 printf("Sorry, protocol %d not yet supported.\n",ss->subclass);
1111 return 0;
1112 }
1113 if(ss->ep_int) { /* we had found an interrupt endpoint, prepare irq pipe */
1114 /* set up the IRQ pipe and handler */
1115
1116 ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255;
1117 ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int);
1118 ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe);
1119 dev->irq_handle=usb_stor_irq;
1120 }
1121 dev->privptr=(void *)ss;
1122 return 1;
1123 }
1124
1125 int usb_stor_get_info(struct usb_device *dev,struct us_data *ss,block_dev_desc_t *dev_desc)
1126 {
1127 unsigned char perq,modi;
1128 unsigned long cap[2];
1129 unsigned long *capacity,*blksz;
1130 ccb *pccb = &usb_ccb;
1131
1132 /* for some reasons a couple of devices would not survive this reset */
1133 if (
1134 /* Sony USM256E */
1135 (dev->descriptor.idVendor == 0x054c &&
1136 dev->descriptor.idProduct == 0x019e)
1137
1138 ||
1139 /* USB007 Mini-USB2 Flash Drive */
1140 (dev->descriptor.idVendor == 0x066f &&
1141 dev->descriptor.idProduct == 0x2010)
1142 ||
1143 /* SanDisk Corporation Cruzer Micro 20044318410546613953 */
1144 (dev->descriptor.idVendor == 0x0781 &&
1145 dev->descriptor.idProduct == 0x5151)
1146 )
1147 USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
1148 else
1149 ss->transport_reset(ss);
1150
1151 pccb->pdata = usb_stor_buf;
1152
1153 dev_desc->target = dev->devnum;
1154 pccb->lun = dev_desc->lun;
1155 USB_STOR_PRINTF(" address %d\n",dev_desc->target);
1156
1157 if(usb_inquiry(pccb,ss))
1158 return -1;
1159
1160 perq = usb_stor_buf[0];
1161 modi = usb_stor_buf[1];
1162 if((perq & 0x1f) == 0x1f) {
1163 return 0; /* skip unknown devices */
1164 }
1165 if((modi&0x80) == 0x80) {/* drive is removable */
1166 dev_desc->removable = 1;
1167 }
1168 memcpy(&dev_desc->vendor[0], &usb_stor_buf[8], 8);
1169 memcpy(&dev_desc->product[0], &usb_stor_buf[16], 16);
1170 memcpy(&dev_desc->revision[0], &usb_stor_buf[32], 4);
1171 dev_desc->vendor[8] = 0;
1172 dev_desc->product[16] = 0;
1173 dev_desc->revision[4] = 0;
1174 USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n",usb_stor_buf[2],usb_stor_buf[3]);
1175 if(usb_test_unit_ready(pccb,ss)) {
1176 printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n",pccb->sense_buf[2],pccb->sense_buf[12],pccb->sense_buf[13]);
1177 if(dev_desc->removable == 1) {
1178 dev_desc->type = perq;
1179 return 1;
1180 }
1181 else
1182 return 0;
1183 }
1184 pccb->pdata = (unsigned char *)&cap[0];
1185 memset(pccb->pdata,0,8);
1186 if(usb_read_capacity(pccb,ss) != 0) {
1187 printf("READ_CAP ERROR\n");
1188 cap[0] = 2880;
1189 cap[1] = 0x200;
1190 }
1191 USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n",cap[0],cap[1]);
1192 #if 0
1193 if(cap[0]>(0x200000 * 10)) /* greater than 10 GByte */
1194 cap[0]>>=16;
1195 #endif
1196 #ifdef LITTLEENDIAN
1197 cap[0] = ((unsigned long)(
1198 (((unsigned long)(cap[0]) & (unsigned long)0x000000ffUL) << 24) |
1199 (((unsigned long)(cap[0]) & (unsigned long)0x0000ff00UL) << 8) |
1200 (((unsigned long)(cap[0]) & (unsigned long)0x00ff0000UL) >> 8) |
1201 (((unsigned long)(cap[0]) & (unsigned long)0xff000000UL) >> 24) ));
1202 cap[1] = ((unsigned long)(
1203 (((unsigned long)(cap[1]) & (unsigned long)0x000000ffUL) << 24) |
1204 (((unsigned long)(cap[1]) & (unsigned long)0x0000ff00UL) << 8) |
1205 (((unsigned long)(cap[1]) & (unsigned long)0x00ff0000UL) >> 8) |
1206 (((unsigned long)(cap[1]) & (unsigned long)0xff000000UL) >> 24) ));
1207 #endif
1208 /* this assumes bigendian! */
1209 cap[0] += 1;
1210 capacity = &cap[0];
1211 blksz = &cap[1];
1212 USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n",*capacity,*blksz);
1213 dev_desc->lba = *capacity;
1214 dev_desc->blksz = *blksz;
1215 dev_desc->type = perq;
1216 USB_STOR_PRINTF(" address %d\n",dev_desc->target);
1217 USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type);
1218
1219 init_part(dev_desc);
1220
1221 USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type);
1222 return 1;
1223 }
1224
1225 #endif /* CONFIG_USB_STORAGE */
1226 #endif /* CFG_CMD_USB */
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