2 * Most of this source has been derived from the Linux USB
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.
11 * (C) Copyright 2001 Denis Peter, MPL AG Switzerland
13 * For BBB support (C) Copyright 2003
14 * Gary Jennejohn, DENX Software Engineering <garyj@denx.de>
16 * BBB support based on /sys/dev/usb/umass.c from
19 * See file CREDITS for list of people who contributed to this
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.
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.
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,
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.
46 * Support for USB Mass Storage Devices (BBB) has been added. It has
47 * only been tested with USB memory sticks.
53 #include <asm/byteorder.h>
54 #include <asm/processor.h>
60 #undef BBB_COMDAT_TRACE
61 #undef BBB_XPORT_TRACE
64 #define USB_STOR_PRINTF(fmt, args...) printf(fmt , ##args)
66 #define USB_STOR_PRINTF(fmt, args...)
70 /* direction table -- this indicates the direction of the data
71 * transfer for each command code -- a 1 indicates input
73 unsigned char us_direction
[256/8] = {
74 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
75 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
76 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
77 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
79 #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
81 static unsigned char usb_stor_buf
[512];
93 #define US_BBB_RESET 0xff
94 #define US_BBB_GET_MAX_LUN 0xfe
96 /* Command Block Wrapper */
99 # define CBWSIGNATURE 0x43425355
101 __u32 dCBWDataTransferLength
;
103 # define CBWFLAGS_OUT 0x00
104 # define CBWFLAGS_IN 0x80
107 # define CBWCDBLENGTH 16
108 __u8 CBWCDB
[CBWCDBLENGTH
];
110 #define UMASS_BBB_CBW_SIZE 31
113 /* Command Status Wrapper */
116 # define CSWSIGNATURE 0x53425355
118 __u32 dCSWDataResidue
;
120 # define CSWSTATUS_GOOD 0x0
121 # define CSWSTATUS_FAILED 0x1
122 # define CSWSTATUS_PHASE 0x2
124 #define UMASS_BBB_CSW_SIZE 13
126 #define USB_MAX_STOR_DEV 5
127 static int usb_max_devs
; /* number of highest available usb device */
129 static block_dev_desc_t usb_dev_desc
[USB_MAX_STOR_DEV
];
132 typedef int (*trans_cmnd
)(ccb
*cb
, struct us_data
*data
);
133 typedef int (*trans_reset
)(struct us_data
*data
);
136 struct usb_device
*pusb_dev
; /* this usb_device */
138 unsigned int flags
; /* from filter initially */
139 unsigned char ifnum
; /* interface number */
140 unsigned char ep_in
; /* in endpoint */
141 unsigned char ep_out
; /* out ....... */
142 unsigned char ep_int
; /* interrupt . */
143 unsigned char subclass
; /* as in overview */
144 unsigned char protocol
; /* .............. */
145 unsigned char attention_done
; /* force attn on first cmd */
146 unsigned short ip_data
; /* interrupt data */
147 int action
; /* what to do */
148 int ip_wanted
; /* needed */
149 int *irq_handle
; /* for USB int requests */
150 unsigned int irqpipe
; /* pipe for release_irq */
151 unsigned char irqmaxp
; /* max packed for irq Pipe */
152 unsigned char irqinterval
; /* Intervall for IRQ Pipe */
153 ccb
*srb
; /* current srb */
154 trans_reset transport_reset
; /* reset routine */
155 trans_cmnd transport
; /* transport routine */
158 static struct us_data usb_stor
[USB_MAX_STOR_DEV
];
161 #define USB_STOR_TRANSPORT_GOOD 0
162 #define USB_STOR_TRANSPORT_FAILED -1
163 #define USB_STOR_TRANSPORT_ERROR -2
165 int usb_stor_get_info(struct usb_device
*dev
, struct us_data
*us
,
166 block_dev_desc_t
*dev_desc
);
167 int usb_storage_probe(struct usb_device
*dev
, unsigned int ifnum
,
169 unsigned long usb_stor_read(int device
, unsigned long blknr
,
170 unsigned long blkcnt
, void *buffer
);
171 unsigned long usb_stor_write(int device
, unsigned long blknr
,
172 unsigned long blkcnt
, const void *buffer
);
173 struct usb_device
* usb_get_dev_index(int index
);
174 void uhci_show_temp_int_td(void);
176 block_dev_desc_t
*usb_stor_get_dev(int index
)
178 return (index
< usb_max_devs
) ? &usb_dev_desc
[index
] : NULL
;
182 void usb_show_progress(void)
187 /*******************************************************************************
188 * show info on storage devices; 'usb start/init' must be invoked earlier
189 * as we only retrieve structures populated during devices initialization
191 int usb_stor_info(void)
195 if (usb_max_devs
> 0) {
196 for (i
= 0; i
< usb_max_devs
; i
++) {
197 printf(" Device %d: ", i
);
198 dev_print(&usb_dev_desc
[i
]);
203 printf("No storage devices, perhaps not 'usb start'ed..?\n");
207 /*******************************************************************************
208 * scan the usb and reports device info
209 * to the user if mode = 1
210 * returns current device or -1 if no
212 int usb_stor_scan(int mode
)
215 struct usb_device
*dev
;
218 memset(usb_stor_buf
, 0, sizeof(usb_stor_buf
));
221 printf(" scanning bus for storage devices... ");
223 usb_disable_asynch(1); /* asynch transfer not allowed */
225 for (i
= 0; i
< USB_MAX_STOR_DEV
; i
++) {
226 memset(&usb_dev_desc
[i
], 0, sizeof(block_dev_desc_t
));
227 usb_dev_desc
[i
].target
= 0xff;
228 usb_dev_desc
[i
].if_type
= IF_TYPE_USB
;
229 usb_dev_desc
[i
].dev
= i
;
230 usb_dev_desc
[i
].part_type
= PART_TYPE_UNKNOWN
;
231 usb_dev_desc
[i
].block_read
= usb_stor_read
;
232 usb_dev_desc
[i
].block_write
= usb_stor_write
;
236 for (i
= 0; i
< USB_MAX_DEVICE
; i
++) {
237 dev
= usb_get_dev_index(i
); /* get device */
238 USB_STOR_PRINTF("i=%d\n", i
);
240 break; /* no more devices avaiable */
242 if (usb_storage_probe(dev
, 0, &usb_stor
[usb_max_devs
])) {
243 /* ok, it is a storage devices
244 * get info and fill it in
246 if (usb_stor_get_info(dev
, &usb_stor
[usb_max_devs
],
247 &usb_dev_desc
[usb_max_devs
]) == 1)
250 /* if storage device */
251 if (usb_max_devs
== USB_MAX_STOR_DEV
) {
252 printf("max USB Storage Device reached: %d stopping\n",
258 usb_disable_asynch(0); /* asynch transfer allowed */
259 printf("%d Storage Device(s) found\n", usb_max_devs
);
260 if (usb_max_devs
> 0)
265 static int usb_stor_irq(struct usb_device
*dev
)
268 us
= (struct us_data
*)dev
->privptr
;
276 #ifdef USB_STOR_DEBUG
278 static void usb_show_srb(ccb
*pccb
)
281 printf("SRB: len %d datalen 0x%lX\n ", pccb
->cmdlen
, pccb
->datalen
);
282 for (i
= 0; i
< 12; i
++)
283 printf("%02X ", pccb
->cmd
[i
]);
287 static void display_int_status(unsigned long tmp
)
289 printf("Status: %s %s %s %s %s %s %s\n",
290 (tmp
& USB_ST_ACTIVE
) ? "Active" : "",
291 (tmp
& USB_ST_STALLED
) ? "Stalled" : "",
292 (tmp
& USB_ST_BUF_ERR
) ? "Buffer Error" : "",
293 (tmp
& USB_ST_BABBLE_DET
) ? "Babble Det" : "",
294 (tmp
& USB_ST_NAK_REC
) ? "NAKed" : "",
295 (tmp
& USB_ST_CRC_ERR
) ? "CRC Error" : "",
296 (tmp
& USB_ST_BIT_ERR
) ? "Bitstuff Error" : "");
299 /***********************************************************************
300 * Data transfer routines
301 ***********************************************************************/
303 static int us_one_transfer(struct us_data
*us
, int pipe
, char *buf
, int length
)
312 /* determine the maximum packet size for these transfers */
313 max_size
= usb_maxpacket(us
->pusb_dev
, pipe
) * 16;
315 /* while we have data left to transfer */
318 /* calculate how long this will be -- maximum or a remainder */
319 this_xfer
= length
> max_size
? max_size
: length
;
322 /* setup the retry counter */
325 /* set up the transfer loop */
327 /* transfer the data */
328 USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n",
329 (unsigned int)buf
, this_xfer
, 11 - maxtry
);
330 result
= usb_bulk_msg(us
->pusb_dev
, pipe
, buf
,
332 USB_CNTL_TIMEOUT
* 5);
333 USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n",
334 result
, partial
, this_xfer
);
335 if (us
->pusb_dev
->status
!= 0) {
336 /* if we stall, we need to clear it before
339 #ifdef USB_STOR_DEBUG
340 display_int_status(us
->pusb_dev
->status
);
342 if (us
->pusb_dev
->status
& USB_ST_STALLED
) {
343 USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe
);
344 stat
= us
->pusb_dev
->status
;
345 usb_clear_halt(us
->pusb_dev
, pipe
);
346 us
->pusb_dev
->status
= stat
;
347 if (this_xfer
== partial
) {
348 USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n", us
->pusb_dev
->status
);
354 if (us
->pusb_dev
->status
& USB_ST_NAK_REC
) {
355 USB_STOR_PRINTF("Device NAKed bulk_msg\n");
358 USB_STOR_PRINTF("bulk transferred with error");
359 if (this_xfer
== partial
) {
360 USB_STOR_PRINTF(" %d, but data ok\n",
361 us
->pusb_dev
->status
);
364 /* if our try counter reaches 0, bail out */
365 USB_STOR_PRINTF(" %d, data %d\n",
366 us
->pusb_dev
->status
, partial
);
370 /* update to show what data was transferred */
371 this_xfer
-= partial
;
373 /* continue until this transfer is done */
377 /* if we get here, we're done and successful */
381 static int usb_stor_BBB_reset(struct us_data
*us
)
387 * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class)
389 * For Reset Recovery the host shall issue in the following order:
390 * a) a Bulk-Only Mass Storage Reset
391 * b) a Clear Feature HALT to the Bulk-In endpoint
392 * c) a Clear Feature HALT to the Bulk-Out endpoint
394 * This is done in 3 steps.
396 * If the reset doesn't succeed, the device should be port reset.
398 * This comment stolen from FreeBSD's /sys/dev/usb/umass.c.
400 USB_STOR_PRINTF("BBB_reset\n");
401 result
= usb_control_msg(us
->pusb_dev
, usb_sndctrlpipe(us
->pusb_dev
, 0),
403 USB_TYPE_CLASS
| USB_RECIP_INTERFACE
,
404 0, us
->ifnum
, 0, 0, USB_CNTL_TIMEOUT
* 5);
406 if ((result
< 0) && (us
->pusb_dev
->status
& USB_ST_STALLED
)) {
407 USB_STOR_PRINTF("RESET:stall\n");
411 /* long wait for reset */
413 USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n", result
,
414 us
->pusb_dev
->status
);
415 pipe
= usb_rcvbulkpipe(us
->pusb_dev
, us
->ep_in
);
416 result
= usb_clear_halt(us
->pusb_dev
, pipe
);
417 /* long wait for reset */
419 USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n",
420 result
, us
->pusb_dev
->status
);
421 /* long wait for reset */
422 pipe
= usb_sndbulkpipe(us
->pusb_dev
, us
->ep_out
);
423 result
= usb_clear_halt(us
->pusb_dev
, pipe
);
425 USB_STOR_PRINTF("BBB_reset result %d: status %X"
426 " clearing OUT endpoint\n", result
,
427 us
->pusb_dev
->status
);
428 USB_STOR_PRINTF("BBB_reset done\n");
432 /* FIXME: this reset function doesn't really reset the port, and it
433 * should. Actually it should probably do what it's doing here, and
434 * reset the port physically
436 static int usb_stor_CB_reset(struct us_data
*us
)
438 unsigned char cmd
[12];
441 USB_STOR_PRINTF("CB_reset\n");
442 memset(cmd
, 0xff, sizeof(cmd
));
443 cmd
[0] = SCSI_SEND_DIAG
;
445 result
= usb_control_msg(us
->pusb_dev
, usb_sndctrlpipe(us
->pusb_dev
, 0),
447 USB_TYPE_CLASS
| USB_RECIP_INTERFACE
,
448 0, us
->ifnum
, cmd
, sizeof(cmd
),
449 USB_CNTL_TIMEOUT
* 5);
451 /* long wait for reset */
453 USB_STOR_PRINTF("CB_reset result %d: status %X"
454 " clearing endpoint halt\n", result
,
455 us
->pusb_dev
->status
);
456 usb_clear_halt(us
->pusb_dev
, usb_rcvbulkpipe(us
->pusb_dev
, us
->ep_in
));
457 usb_clear_halt(us
->pusb_dev
, usb_rcvbulkpipe(us
->pusb_dev
, us
->ep_out
));
459 USB_STOR_PRINTF("CB_reset done\n");
464 * Set up the command for a BBB device. Note that the actual SCSI
465 * command is copied into cbw.CBWCDB.
467 int usb_stor_BBB_comdat(ccb
*srb
, struct us_data
*us
)
475 dir_in
= US_DIRECTION(srb
->cmd
[0]);
477 #ifdef BBB_COMDAT_TRACE
478 printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n",
479 dir_in
, srb
->lun
, srb
->cmdlen
, srb
->cmd
, srb
->datalen
,
482 for (result
= 0; result
< srb
->cmdlen
; result
++)
483 printf("cmd[%d] %#x ", result
, srb
->cmd
[result
]);
488 if (!(srb
->cmdlen
<= CBWCDBLENGTH
)) {
489 USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n");
493 /* always OUT to the ep */
494 pipe
= usb_sndbulkpipe(us
->pusb_dev
, us
->ep_out
);
496 cbw
.dCBWSignature
= cpu_to_le32(CBWSIGNATURE
);
497 cbw
.dCBWTag
= cpu_to_le32(CBWTag
++);
498 cbw
.dCBWDataTransferLength
= cpu_to_le32(srb
->datalen
);
499 cbw
.bCBWFlags
= (dir_in
? CBWFLAGS_IN
: CBWFLAGS_OUT
);
500 cbw
.bCBWLUN
= srb
->lun
;
501 cbw
.bCDBLength
= srb
->cmdlen
;
502 /* copy the command data into the CBW command data buffer */
504 memcpy(cbw
.CBWCDB
, srb
->cmd
, srb
->cmdlen
);
505 result
= usb_bulk_msg(us
->pusb_dev
, pipe
, &cbw
, UMASS_BBB_CBW_SIZE
,
506 &actlen
, USB_CNTL_TIMEOUT
* 5);
508 USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n");
512 /* FIXME: we also need a CBI_command which sets up the completion
513 * interrupt, and waits for it
515 int usb_stor_CB_comdat(ccb
*srb
, struct us_data
*us
)
520 unsigned long status
;
523 dir_in
= US_DIRECTION(srb
->cmd
[0]);
526 pipe
= usb_rcvbulkpipe(us
->pusb_dev
, us
->ep_in
);
528 pipe
= usb_sndbulkpipe(us
->pusb_dev
, us
->ep_out
);
531 USB_STOR_PRINTF("CBI gets a command: Try %d\n", 5 - retry
);
532 #ifdef USB_STOR_DEBUG
535 /* let's send the command via the control pipe */
536 result
= usb_control_msg(us
->pusb_dev
,
537 usb_sndctrlpipe(us
->pusb_dev
, 0),
539 USB_TYPE_CLASS
| USB_RECIP_INTERFACE
,
541 srb
->cmd
, srb
->cmdlen
,
542 USB_CNTL_TIMEOUT
* 5);
543 USB_STOR_PRINTF("CB_transport: control msg returned %d,"
544 " status %X\n", result
, us
->pusb_dev
->status
);
545 /* check the return code for the command */
547 if (us
->pusb_dev
->status
& USB_ST_STALLED
) {
548 status
= us
->pusb_dev
->status
;
549 USB_STOR_PRINTF(" stall during command found,"
551 usb_clear_halt(us
->pusb_dev
,
552 usb_sndctrlpipe(us
->pusb_dev
, 0));
553 us
->pusb_dev
->status
= status
;
555 USB_STOR_PRINTF(" error during command %02X"
556 " Stat = %X\n", srb
->cmd
[0],
557 us
->pusb_dev
->status
);
560 /* transfer the data payload for this command, if one exists*/
562 USB_STOR_PRINTF("CB_transport: control msg returned %d,"
563 " direction is %s to go 0x%lx\n", result
,
564 dir_in
? "IN" : "OUT", srb
->datalen
);
566 result
= us_one_transfer(us
, pipe
, (char *)srb
->pdata
,
568 USB_STOR_PRINTF("CBI attempted to transfer data,"
569 " result is %d status %lX, len %d\n",
570 result
, us
->pusb_dev
->status
,
571 us
->pusb_dev
->act_len
);
572 if (!(us
->pusb_dev
->status
& USB_ST_NAK_REC
))
574 } /* if (srb->datalen) */
584 int usb_stor_CBI_get_status(ccb
*srb
, struct us_data
*us
)
589 submit_int_msg(us
->pusb_dev
, us
->irqpipe
,
590 (void *) &us
->ip_data
, us
->irqmaxp
, us
->irqinterval
);
593 if ((volatile int *) us
->ip_wanted
== 0)
598 printf(" Did not get interrupt on CBI\n");
600 return USB_STOR_TRANSPORT_ERROR
;
603 ("Got interrupt data 0x%x, transfered %d status 0x%lX\n",
604 us
->ip_data
, us
->pusb_dev
->irq_act_len
,
605 us
->pusb_dev
->irq_status
);
606 /* UFI gives us ASC and ASCQ, like a request sense */
607 if (us
->subclass
== US_SC_UFI
) {
608 if (srb
->cmd
[0] == SCSI_REQ_SENSE
||
609 srb
->cmd
[0] == SCSI_INQUIRY
)
610 return USB_STOR_TRANSPORT_GOOD
; /* Good */
611 else if (us
->ip_data
)
612 return USB_STOR_TRANSPORT_FAILED
;
614 return USB_STOR_TRANSPORT_GOOD
;
616 /* otherwise, we interpret the data normally */
617 switch (us
->ip_data
) {
619 return USB_STOR_TRANSPORT_GOOD
;
621 return USB_STOR_TRANSPORT_FAILED
;
623 return USB_STOR_TRANSPORT_ERROR
;
625 return USB_STOR_TRANSPORT_ERROR
;
628 #define USB_TRANSPORT_UNKNOWN_RETRY 5
629 #define USB_TRANSPORT_NOT_READY_RETRY 10
631 /* clear a stall on an endpoint - special for BBB devices */
632 int usb_stor_BBB_clear_endpt_stall(struct us_data
*us
, __u8 endpt
)
636 /* ENDPOINT_HALT = 0, so set value to 0 */
637 result
= usb_control_msg(us
->pusb_dev
, usb_sndctrlpipe(us
->pusb_dev
, 0),
638 USB_REQ_CLEAR_FEATURE
, USB_RECIP_ENDPOINT
,
639 0, endpt
, 0, 0, USB_CNTL_TIMEOUT
* 5);
643 int usb_stor_BBB_transport(ccb
*srb
, struct us_data
*us
)
647 int actlen
, data_actlen
;
648 unsigned int pipe
, pipein
, pipeout
;
650 #ifdef BBB_XPORT_TRACE
655 dir_in
= US_DIRECTION(srb
->cmd
[0]);
658 USB_STOR_PRINTF("COMMAND phase\n");
659 result
= usb_stor_BBB_comdat(srb
, us
);
661 USB_STOR_PRINTF("failed to send CBW status %ld\n",
662 us
->pusb_dev
->status
);
663 usb_stor_BBB_reset(us
);
664 return USB_STOR_TRANSPORT_FAILED
;
667 pipein
= usb_rcvbulkpipe(us
->pusb_dev
, us
->ep_in
);
668 pipeout
= usb_sndbulkpipe(us
->pusb_dev
, us
->ep_out
);
669 /* DATA phase + error handling */
671 /* no data, go immediately to the STATUS phase */
672 if (srb
->datalen
== 0)
674 USB_STOR_PRINTF("DATA phase\n");
679 result
= usb_bulk_msg(us
->pusb_dev
, pipe
, srb
->pdata
, srb
->datalen
,
680 &data_actlen
, USB_CNTL_TIMEOUT
* 5);
681 /* special handling of STALL in DATA phase */
682 if ((result
< 0) && (us
->pusb_dev
->status
& USB_ST_STALLED
)) {
683 USB_STOR_PRINTF("DATA:stall\n");
684 /* clear the STALL on the endpoint */
685 result
= usb_stor_BBB_clear_endpt_stall(us
,
686 dir_in
? us
->ep_in
: us
->ep_out
);
688 /* continue on to STATUS phase */
692 USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
693 us
->pusb_dev
->status
);
694 usb_stor_BBB_reset(us
);
695 return USB_STOR_TRANSPORT_FAILED
;
697 #ifdef BBB_XPORT_TRACE
698 for (index
= 0; index
< data_actlen
; index
++)
699 printf("pdata[%d] %#x ", index
, srb
->pdata
[index
]);
702 /* STATUS phase + error handling */
706 USB_STOR_PRINTF("STATUS phase\n");
707 result
= usb_bulk_msg(us
->pusb_dev
, pipein
, &csw
, UMASS_BBB_CSW_SIZE
,
708 &actlen
, USB_CNTL_TIMEOUT
*5);
710 /* special handling of STALL in STATUS phase */
711 if ((result
< 0) && (retry
< 1) &&
712 (us
->pusb_dev
->status
& USB_ST_STALLED
)) {
713 USB_STOR_PRINTF("STATUS:stall\n");
714 /* clear the STALL on the endpoint */
715 result
= usb_stor_BBB_clear_endpt_stall(us
, us
->ep_in
);
716 if (result
>= 0 && (retry
++ < 1))
721 USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
722 us
->pusb_dev
->status
);
723 usb_stor_BBB_reset(us
);
724 return USB_STOR_TRANSPORT_FAILED
;
726 #ifdef BBB_XPORT_TRACE
727 ptr
= (unsigned char *)&csw
;
728 for (index
= 0; index
< UMASS_BBB_CSW_SIZE
; index
++)
729 printf("ptr[%d] %#x ", index
, ptr
[index
]);
732 /* misuse pipe to get the residue */
733 pipe
= le32_to_cpu(csw
.dCSWDataResidue
);
734 if (pipe
== 0 && srb
->datalen
!= 0 && srb
->datalen
- data_actlen
!= 0)
735 pipe
= srb
->datalen
- data_actlen
;
736 if (CSWSIGNATURE
!= le32_to_cpu(csw
.dCSWSignature
)) {
737 USB_STOR_PRINTF("!CSWSIGNATURE\n");
738 usb_stor_BBB_reset(us
);
739 return USB_STOR_TRANSPORT_FAILED
;
740 } else if ((CBWTag
- 1) != le32_to_cpu(csw
.dCSWTag
)) {
741 USB_STOR_PRINTF("!Tag\n");
742 usb_stor_BBB_reset(us
);
743 return USB_STOR_TRANSPORT_FAILED
;
744 } else if (csw
.bCSWStatus
> CSWSTATUS_PHASE
) {
745 USB_STOR_PRINTF(">PHASE\n");
746 usb_stor_BBB_reset(us
);
747 return USB_STOR_TRANSPORT_FAILED
;
748 } else if (csw
.bCSWStatus
== CSWSTATUS_PHASE
) {
749 USB_STOR_PRINTF("=PHASE\n");
750 usb_stor_BBB_reset(us
);
751 return USB_STOR_TRANSPORT_FAILED
;
752 } else if (data_actlen
> srb
->datalen
) {
753 USB_STOR_PRINTF("transferred %dB instead of %dB\n",
754 data_actlen
, srb
->datalen
);
755 return USB_STOR_TRANSPORT_FAILED
;
756 } else if (csw
.bCSWStatus
== CSWSTATUS_FAILED
) {
757 USB_STOR_PRINTF("FAILED\n");
758 return USB_STOR_TRANSPORT_FAILED
;
764 int usb_stor_CB_transport(ccb
*srb
, struct us_data
*us
)
772 status
= USB_STOR_TRANSPORT_GOOD
;
775 /* issue the command */
777 result
= usb_stor_CB_comdat(srb
, us
);
778 USB_STOR_PRINTF("command / Data returned %d, status %X\n",
779 result
, us
->pusb_dev
->status
);
780 /* if this is an CBI Protocol, get IRQ */
781 if (us
->protocol
== US_PR_CBI
) {
782 status
= usb_stor_CBI_get_status(srb
, us
);
783 /* if the status is error, report it */
784 if (status
== USB_STOR_TRANSPORT_ERROR
) {
785 USB_STOR_PRINTF(" USB CBI Command Error\n");
788 srb
->sense_buf
[12] = (unsigned char)(us
->ip_data
>> 8);
789 srb
->sense_buf
[13] = (unsigned char)(us
->ip_data
& 0xff);
791 /* if the status is good, report it */
792 if (status
== USB_STOR_TRANSPORT_GOOD
) {
793 USB_STOR_PRINTF(" USB CBI Command Good\n");
798 /* do we have to issue an auto request? */
799 /* HERE we have to check the result */
800 if ((result
< 0) && !(us
->pusb_dev
->status
& USB_ST_STALLED
)) {
801 USB_STOR_PRINTF("ERROR %X\n", us
->pusb_dev
->status
);
802 us
->transport_reset(us
);
803 return USB_STOR_TRANSPORT_ERROR
;
805 if ((us
->protocol
== US_PR_CBI
) &&
806 ((srb
->cmd
[0] == SCSI_REQ_SENSE
) ||
807 (srb
->cmd
[0] == SCSI_INQUIRY
))) {
808 /* do not issue an autorequest after request sense */
809 USB_STOR_PRINTF("No auto request and good\n");
810 return USB_STOR_TRANSPORT_GOOD
;
812 /* issue an request_sense */
813 memset(&psrb
->cmd
[0], 0, 12);
814 psrb
->cmd
[0] = SCSI_REQ_SENSE
;
815 psrb
->cmd
[1] = srb
->lun
<< 5;
818 psrb
->pdata
= &srb
->sense_buf
[0];
820 /* issue the command */
821 result
= usb_stor_CB_comdat(psrb
, us
);
822 USB_STOR_PRINTF("auto request returned %d\n", result
);
823 /* if this is an CBI Protocol, get IRQ */
824 if (us
->protocol
== US_PR_CBI
)
825 status
= usb_stor_CBI_get_status(psrb
, us
);
827 if ((result
< 0) && !(us
->pusb_dev
->status
& USB_ST_STALLED
)) {
828 USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n",
829 us
->pusb_dev
->status
);
830 return USB_STOR_TRANSPORT_ERROR
;
832 USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
833 srb
->sense_buf
[0], srb
->sense_buf
[2],
834 srb
->sense_buf
[12], srb
->sense_buf
[13]);
835 /* Check the auto request result */
836 if ((srb
->sense_buf
[2] == 0) &&
837 (srb
->sense_buf
[12] == 0) &&
838 (srb
->sense_buf
[13] == 0)) {
840 return USB_STOR_TRANSPORT_GOOD
;
843 /* Check the auto request result */
844 switch (srb
->sense_buf
[2]) {
846 /* Recovered Error */
847 return USB_STOR_TRANSPORT_GOOD
;
851 if (notready
++ > USB_TRANSPORT_NOT_READY_RETRY
) {
852 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X"
853 " 0x%02X (NOT READY)\n", srb
->cmd
[0],
854 srb
->sense_buf
[0], srb
->sense_buf
[2],
855 srb
->sense_buf
[12], srb
->sense_buf
[13]);
856 return USB_STOR_TRANSPORT_FAILED
;
863 if (retry
++ > USB_TRANSPORT_UNKNOWN_RETRY
) {
864 printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X"
865 " 0x%02X\n", srb
->cmd
[0], srb
->sense_buf
[0],
866 srb
->sense_buf
[2], srb
->sense_buf
[12],
868 return USB_STOR_TRANSPORT_FAILED
;
873 return USB_STOR_TRANSPORT_FAILED
;
877 static int usb_inquiry(ccb
*srb
, struct us_data
*ss
)
882 memset(&srb
->cmd
[0], 0, 12);
883 srb
->cmd
[0] = SCSI_INQUIRY
;
887 i
= ss
->transport(srb
, ss
);
888 USB_STOR_PRINTF("inquiry returns %d\n", i
);
894 printf("error in inquiry\n");
900 static int usb_request_sense(ccb
*srb
, struct us_data
*ss
)
904 ptr
= (char *)srb
->pdata
;
905 memset(&srb
->cmd
[0], 0, 12);
906 srb
->cmd
[0] = SCSI_REQ_SENSE
;
909 srb
->pdata
= &srb
->sense_buf
[0];
911 ss
->transport(srb
, ss
);
912 USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n",
913 srb
->sense_buf
[2], srb
->sense_buf
[12],
915 srb
->pdata
= (uchar
*)ptr
;
919 static int usb_test_unit_ready(ccb
*srb
, struct us_data
*ss
)
924 memset(&srb
->cmd
[0], 0, 12);
925 srb
->cmd
[0] = SCSI_TST_U_RDY
;
928 if (ss
->transport(srb
, ss
) == USB_STOR_TRANSPORT_GOOD
)
930 usb_request_sense(srb
, ss
);
937 static int usb_read_capacity(ccb
*srb
, struct us_data
*ss
)
943 memset(&srb
->cmd
[0], 0, 12);
944 srb
->cmd
[0] = SCSI_RD_CAPAC
;
947 if (ss
->transport(srb
, ss
) == USB_STOR_TRANSPORT_GOOD
)
954 static int usb_read_10(ccb
*srb
, struct us_data
*ss
, unsigned long start
,
955 unsigned short blocks
)
957 memset(&srb
->cmd
[0], 0, 12);
958 srb
->cmd
[0] = SCSI_READ10
;
959 srb
->cmd
[2] = ((unsigned char) (start
>> 24)) & 0xff;
960 srb
->cmd
[3] = ((unsigned char) (start
>> 16)) & 0xff;
961 srb
->cmd
[4] = ((unsigned char) (start
>> 8)) & 0xff;
962 srb
->cmd
[5] = ((unsigned char) (start
)) & 0xff;
963 srb
->cmd
[7] = ((unsigned char) (blocks
>> 8)) & 0xff;
964 srb
->cmd
[8] = (unsigned char) blocks
& 0xff;
966 USB_STOR_PRINTF("read10: start %lx blocks %x\n", start
, blocks
);
967 return ss
->transport(srb
, ss
);
970 static int usb_write_10(ccb
*srb
, struct us_data
*ss
, unsigned long start
,
971 unsigned short blocks
)
973 memset(&srb
->cmd
[0], 0, 12);
974 srb
->cmd
[0] = SCSI_WRITE10
;
975 srb
->cmd
[2] = ((unsigned char) (start
>> 24)) & 0xff;
976 srb
->cmd
[3] = ((unsigned char) (start
>> 16)) & 0xff;
977 srb
->cmd
[4] = ((unsigned char) (start
>> 8)) & 0xff;
978 srb
->cmd
[5] = ((unsigned char) (start
)) & 0xff;
979 srb
->cmd
[7] = ((unsigned char) (blocks
>> 8)) & 0xff;
980 srb
->cmd
[8] = (unsigned char) blocks
& 0xff;
982 USB_STOR_PRINTF("write10: start %lx blocks %x\n", start
, blocks
);
983 return ss
->transport(srb
, ss
);
987 #ifdef CONFIG_USB_BIN_FIXUP
989 * Some USB storage devices queried for SCSI identification data respond with
990 * binary strings, which if output to the console freeze the terminal. The
991 * workaround is to modify the vendor and product strings read from such
992 * device with proper values (as reported by 'usb info').
994 * Vendor and product length limits are taken from the definition of
995 * block_dev_desc_t in include/part.h.
997 static void usb_bin_fixup(struct usb_device_descriptor descriptor
,
998 unsigned char vendor
[],
999 unsigned char product
[]) {
1000 const unsigned char max_vendor_len
= 40;
1001 const unsigned char max_product_len
= 20;
1002 if (descriptor
.idVendor
== 0x0424 && descriptor
.idProduct
== 0x223a) {
1003 strncpy((char *)vendor
, "SMSC", max_vendor_len
);
1004 strncpy((char *)product
, "Flash Media Cntrller",
1008 #endif /* CONFIG_USB_BIN_FIXUP */
1010 #define USB_MAX_READ_BLK 20
1012 unsigned long usb_stor_read(int device
, unsigned long blknr
,
1013 unsigned long blkcnt
, void *buffer
)
1015 unsigned long start
, blks
, buf_addr
;
1016 unsigned short smallblks
;
1017 struct usb_device
*dev
;
1019 ccb
*srb
= &usb_ccb
;
1026 USB_STOR_PRINTF("\nusb_read: dev %d \n", device
);
1028 for (i
= 0; i
< USB_MAX_DEVICE
; i
++) {
1029 dev
= usb_get_dev_index(i
);
1032 if (dev
->devnum
== usb_dev_desc
[device
].target
)
1036 usb_disable_asynch(1); /* asynch transfer not allowed */
1037 srb
->lun
= usb_dev_desc
[device
].lun
;
1038 buf_addr
= (unsigned long)buffer
;
1041 if (usb_test_unit_ready(srb
, (struct us_data
*)dev
->privptr
)) {
1042 printf("Device NOT ready\n Request Sense returned %02X %02X"
1043 " %02X\n", srb
->sense_buf
[2], srb
->sense_buf
[12],
1044 srb
->sense_buf
[13]);
1048 USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx"
1049 " buffer %lx\n", device
, start
, blks
, buf_addr
);
1052 /* XXX need some comment here */
1054 srb
->pdata
= (unsigned char *)buf_addr
;
1055 if (blks
> USB_MAX_READ_BLK
)
1056 smallblks
= USB_MAX_READ_BLK
;
1058 smallblks
= (unsigned short) blks
;
1060 if (smallblks
== USB_MAX_READ_BLK
)
1061 usb_show_progress();
1062 srb
->datalen
= usb_dev_desc
[device
].blksz
* smallblks
;
1063 srb
->pdata
= (unsigned char *)buf_addr
;
1064 if (usb_read_10(srb
, (struct us_data
*)dev
->privptr
, start
,
1066 USB_STOR_PRINTF("Read ERROR\n");
1067 usb_request_sense(srb
, (struct us_data
*)dev
->privptr
);
1075 buf_addr
+= srb
->datalen
;
1076 } while (blks
!= 0);
1078 USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n",
1079 start
, smallblks
, buf_addr
);
1081 usb_disable_asynch(0); /* asynch transfer allowed */
1082 if (blkcnt
>= USB_MAX_READ_BLK
)
1087 #define USB_MAX_WRITE_BLK 20
1089 unsigned long usb_stor_write(int device
, unsigned long blknr
,
1090 unsigned long blkcnt
, const void *buffer
)
1092 unsigned long start
, blks
, buf_addr
;
1093 unsigned short smallblks
;
1094 struct usb_device
*dev
;
1096 ccb
*srb
= &usb_ccb
;
1103 USB_STOR_PRINTF("\nusb_write: dev %d \n", device
);
1105 for (i
= 0; i
< USB_MAX_DEVICE
; i
++) {
1106 dev
= usb_get_dev_index(i
);
1109 if (dev
->devnum
== usb_dev_desc
[device
].target
)
1113 usb_disable_asynch(1); /* asynch transfer not allowed */
1115 srb
->lun
= usb_dev_desc
[device
].lun
;
1116 buf_addr
= (unsigned long)buffer
;
1119 if (usb_test_unit_ready(srb
, (struct us_data
*)dev
->privptr
)) {
1120 printf("Device NOT ready\n Request Sense returned %02X %02X"
1121 " %02X\n", srb
->sense_buf
[2], srb
->sense_buf
[12],
1122 srb
->sense_buf
[13]);
1126 USB_STOR_PRINTF("\nusb_write: dev %d startblk %lx, blccnt %lx"
1127 " buffer %lx\n", device
, start
, blks
, buf_addr
);
1130 /* If write fails retry for max retry count else
1131 * return with number of blocks written successfully.
1134 srb
->pdata
= (unsigned char *)buf_addr
;
1135 if (blks
> USB_MAX_WRITE_BLK
)
1136 smallblks
= USB_MAX_WRITE_BLK
;
1138 smallblks
= (unsigned short) blks
;
1140 if (smallblks
== USB_MAX_WRITE_BLK
)
1141 usb_show_progress();
1142 srb
->datalen
= usb_dev_desc
[device
].blksz
* smallblks
;
1143 srb
->pdata
= (unsigned char *)buf_addr
;
1144 if (usb_write_10(srb
, (struct us_data
*)dev
->privptr
, start
,
1146 USB_STOR_PRINTF("Write ERROR\n");
1147 usb_request_sense(srb
, (struct us_data
*)dev
->privptr
);
1155 buf_addr
+= srb
->datalen
;
1156 } while (blks
!= 0);
1158 USB_STOR_PRINTF("usb_write: end startblk %lx, blccnt %x buffer %lx\n",
1159 start
, smallblks
, buf_addr
);
1161 usb_disable_asynch(0); /* asynch transfer allowed */
1162 if (blkcnt
>= USB_MAX_WRITE_BLK
)
1168 /* Probe to see if a new device is actually a Storage device */
1169 int usb_storage_probe(struct usb_device
*dev
, unsigned int ifnum
,
1172 struct usb_interface
*iface
;
1174 unsigned int flags
= 0;
1179 /* let's examine the device now */
1180 iface
= &dev
->config
.if_desc
[ifnum
];
1183 /* this is the place to patch some storage devices */
1184 USB_STOR_PRINTF("iVendor %X iProduct %X\n", dev
->descriptor
.idVendor
,
1185 dev
->descriptor
.idProduct
);
1187 if ((dev
->descriptor
.idVendor
) == 0x066b &&
1188 (dev
->descriptor
.idProduct
) == 0x0103) {
1189 USB_STOR_PRINTF("patched for E-USB\n");
1190 protocol
= US_PR_CB
;
1191 subclass
= US_SC_UFI
; /* an assumption */
1195 if (dev
->descriptor
.bDeviceClass
!= 0 ||
1196 iface
->desc
.bInterfaceClass
!= USB_CLASS_MASS_STORAGE
||
1197 iface
->desc
.bInterfaceSubClass
< US_SC_MIN
||
1198 iface
->desc
.bInterfaceSubClass
> US_SC_MAX
) {
1199 /* if it's not a mass storage, we go no further */
1203 memset(ss
, 0, sizeof(struct us_data
));
1205 /* At this point, we know we've got a live one */
1206 USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n");
1208 /* Initialize the us_data structure with some useful info */
1212 ss
->attention_done
= 0;
1214 /* If the device has subclass and protocol, then use that. Otherwise,
1215 * take data from the specific interface.
1218 ss
->subclass
= subclass
;
1219 ss
->protocol
= protocol
;
1221 ss
->subclass
= iface
->desc
.bInterfaceSubClass
;
1222 ss
->protocol
= iface
->desc
.bInterfaceProtocol
;
1225 /* set the handler pointers based on the protocol */
1226 USB_STOR_PRINTF("Transport: ");
1227 switch (ss
->protocol
) {
1229 USB_STOR_PRINTF("Control/Bulk\n");
1230 ss
->transport
= usb_stor_CB_transport
;
1231 ss
->transport_reset
= usb_stor_CB_reset
;
1235 USB_STOR_PRINTF("Control/Bulk/Interrupt\n");
1236 ss
->transport
= usb_stor_CB_transport
;
1237 ss
->transport_reset
= usb_stor_CB_reset
;
1240 USB_STOR_PRINTF("Bulk/Bulk/Bulk\n");
1241 ss
->transport
= usb_stor_BBB_transport
;
1242 ss
->transport_reset
= usb_stor_BBB_reset
;
1245 printf("USB Storage Transport unknown / not yet implemented\n");
1251 * We are expecting a minimum of 2 endpoints - in and out (bulk).
1252 * An optional interrupt is OK (necessary for CBI protocol).
1253 * We will ignore any others.
1255 for (i
= 0; i
< iface
->desc
.bNumEndpoints
; i
++) {
1256 /* is it an BULK endpoint? */
1257 if ((iface
->ep_desc
[i
].bmAttributes
&
1258 USB_ENDPOINT_XFERTYPE_MASK
) == USB_ENDPOINT_XFER_BULK
) {
1259 if (iface
->ep_desc
[i
].bEndpointAddress
& USB_DIR_IN
)
1260 ss
->ep_in
= iface
->ep_desc
[i
].bEndpointAddress
&
1261 USB_ENDPOINT_NUMBER_MASK
;
1264 iface
->ep_desc
[i
].bEndpointAddress
&
1265 USB_ENDPOINT_NUMBER_MASK
;
1268 /* is it an interrupt endpoint? */
1269 if ((iface
->ep_desc
[i
].bmAttributes
&
1270 USB_ENDPOINT_XFERTYPE_MASK
) == USB_ENDPOINT_XFER_INT
) {
1271 ss
->ep_int
= iface
->ep_desc
[i
].bEndpointAddress
&
1272 USB_ENDPOINT_NUMBER_MASK
;
1273 ss
->irqinterval
= iface
->ep_desc
[i
].bInterval
;
1276 USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n",
1277 ss
->ep_in
, ss
->ep_out
, ss
->ep_int
);
1279 /* Do some basic sanity checks, and bail if we find a problem */
1280 if (usb_set_interface(dev
, iface
->desc
.bInterfaceNumber
, 0) ||
1281 !ss
->ep_in
|| !ss
->ep_out
||
1282 (ss
->protocol
== US_PR_CBI
&& ss
->ep_int
== 0)) {
1283 USB_STOR_PRINTF("Problems with device\n");
1286 /* set class specific stuff */
1287 /* We only handle certain protocols. Currently, these are
1289 * The SFF8070 accepts the requests used in u-boot
1291 if (ss
->subclass
!= US_SC_UFI
&& ss
->subclass
!= US_SC_SCSI
&&
1292 ss
->subclass
!= US_SC_8070
) {
1293 printf("Sorry, protocol %d not yet supported.\n", ss
->subclass
);
1297 /* we had found an interrupt endpoint, prepare irq pipe
1298 * set up the IRQ pipe and handler
1300 ss
->irqinterval
= (ss
->irqinterval
> 0) ? ss
->irqinterval
: 255;
1301 ss
->irqpipe
= usb_rcvintpipe(ss
->pusb_dev
, ss
->ep_int
);
1302 ss
->irqmaxp
= usb_maxpacket(dev
, ss
->irqpipe
);
1303 dev
->irq_handle
= usb_stor_irq
;
1305 dev
->privptr
= (void *)ss
;
1309 int usb_stor_get_info(struct usb_device
*dev
, struct us_data
*ss
,
1310 block_dev_desc_t
*dev_desc
)
1312 unsigned char perq
, modi
;
1313 unsigned long cap
[2];
1314 unsigned long *capacity
, *blksz
;
1315 ccb
*pccb
= &usb_ccb
;
1317 /* for some reasons a couple of devices would not survive this reset */
1320 (dev
->descriptor
.idVendor
== 0x054c &&
1321 dev
->descriptor
.idProduct
== 0x019e)
1323 /* USB007 Mini-USB2 Flash Drive */
1324 (dev
->descriptor
.idVendor
== 0x066f &&
1325 dev
->descriptor
.idProduct
== 0x2010)
1327 /* SanDisk Corporation Cruzer Micro 20044318410546613953 */
1328 (dev
->descriptor
.idVendor
== 0x0781 &&
1329 dev
->descriptor
.idProduct
== 0x5151)
1332 * SanDisk Corporation U3 Cruzer Micro 1/4GB
1333 * Flash Drive 000016244373FFB4
1335 (dev
->descriptor
.idVendor
== 0x0781 &&
1336 dev
->descriptor
.idProduct
== 0x5406)
1338 USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
1340 ss
->transport_reset(ss
);
1342 pccb
->pdata
= usb_stor_buf
;
1344 dev_desc
->target
= dev
->devnum
;
1345 pccb
->lun
= dev_desc
->lun
;
1346 USB_STOR_PRINTF(" address %d\n", dev_desc
->target
);
1348 if (usb_inquiry(pccb
, ss
))
1351 perq
= usb_stor_buf
[0];
1352 modi
= usb_stor_buf
[1];
1354 if ((perq
& 0x1f) == 0x1f) {
1355 /* skip unknown devices */
1358 if ((modi
&0x80) == 0x80) {
1359 /* drive is removable */
1360 dev_desc
->removable
= 1;
1362 memcpy(&dev_desc
->vendor
[0], &usb_stor_buf
[8], 8);
1363 memcpy(&dev_desc
->product
[0], &usb_stor_buf
[16], 16);
1364 memcpy(&dev_desc
->revision
[0], &usb_stor_buf
[32], 4);
1365 dev_desc
->vendor
[8] = 0;
1366 dev_desc
->product
[16] = 0;
1367 dev_desc
->revision
[4] = 0;
1368 #ifdef CONFIG_USB_BIN_FIXUP
1369 usb_bin_fixup(dev
->descriptor
, (uchar
*)dev_desc
->vendor
,
1370 (uchar
*)dev_desc
->product
);
1371 #endif /* CONFIG_USB_BIN_FIXUP */
1372 USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n", usb_stor_buf
[2],
1374 if (usb_test_unit_ready(pccb
, ss
)) {
1375 printf("Device NOT ready\n"
1376 " Request Sense returned %02X %02X %02X\n",
1377 pccb
->sense_buf
[2], pccb
->sense_buf
[12],
1378 pccb
->sense_buf
[13]);
1379 if (dev_desc
->removable
== 1) {
1380 dev_desc
->type
= perq
;
1385 pccb
->pdata
= (unsigned char *)&cap
[0];
1386 memset(pccb
->pdata
, 0, 8);
1387 if (usb_read_capacity(pccb
, ss
) != 0) {
1388 printf("READ_CAP ERROR\n");
1392 USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap
[0],
1395 if (cap
[0] > (0x200000 * 10)) /* greater than 10 GByte */
1398 cap
[0] = cpu_to_be32(cap
[0]);
1399 cap
[1] = cpu_to_be32(cap
[1]);
1401 /* this assumes bigendian! */
1405 USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n",
1407 dev_desc
->lba
= *capacity
;
1408 dev_desc
->blksz
= *blksz
;
1409 dev_desc
->type
= perq
;
1410 USB_STOR_PRINTF(" address %d\n", dev_desc
->target
);
1411 USB_STOR_PRINTF("partype: %d\n", dev_desc
->part_type
);
1413 init_part(dev_desc
);
1415 USB_STOR_PRINTF("partype: %d\n", dev_desc
->part_type
);