]>
Commit | Line | Data |
---|---|---|
affae2bf | 1 | /* |
460c322f WD |
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 | |
affae2bf | 12 | * |
149dded2 | 13 | * For BBB support (C) Copyright 2003 |
792a09eb | 14 | * Gary Jennejohn, DENX Software Engineering <garyj@denx.de> |
149dded2 | 15 | * |
460c322f | 16 | * BBB support based on /sys/dev/usb/umass.c from |
149dded2 | 17 | * FreeBSD. |
affae2bf WD |
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 | |
80885a9d | 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
affae2bf WD |
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 | */ | |
149dded2 WD |
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. | |
149dded2 | 48 | */ |
affae2bf WD |
49 | |
50 | ||
affae2bf WD |
51 | #include <common.h> |
52 | #include <command.h> | |
c918261c | 53 | #include <asm/byteorder.h> |
affae2bf WD |
54 | #include <asm/processor.h> |
55 | ||
735dd97b | 56 | #include <part.h> |
affae2bf WD |
57 | #include <usb.h> |
58 | ||
80885a9d WD |
59 | #undef BBB_COMDAT_TRACE |
60 | #undef BBB_XPORT_TRACE | |
affae2bf WD |
61 | |
62 | #ifdef USB_STOR_DEBUG | |
86bd3ff8 | 63 | #define USB_BLK_DEBUG 1 |
affae2bf | 64 | #else |
86bd3ff8 | 65 | #define USB_BLK_DEBUG 0 |
affae2bf WD |
66 | #endif |
67 | ||
86bd3ff8 MV |
68 | #define USB_STOR_PRINTF(fmt, args...) debug_cond(USB_BLK_DEBUG, fmt, ##args) |
69 | ||
affae2bf WD |
70 | #include <scsi.h> |
71 | /* direction table -- this indicates the direction of the data | |
72 | * transfer for each command code -- a 1 indicates input | |
73 | */ | |
2ff12285 | 74 | static const unsigned char us_direction[256/8] = { |
affae2bf WD |
75 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, |
76 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
77 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
78 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
79 | }; | |
80 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
81 | ||
f5766139 | 82 | static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); |
affae2bf WD |
83 | |
84 | /* | |
85 | * CBI style | |
86 | */ | |
87 | ||
88 | #define US_CBI_ADSC 0 | |
89 | ||
149dded2 WD |
90 | /* |
91 | * BULK only | |
92 | */ | |
93 | #define US_BBB_RESET 0xff | |
94 | #define US_BBB_GET_MAX_LUN 0xfe | |
95 | ||
96 | /* Command Block Wrapper */ | |
97 | typedef struct { | |
98 | __u32 dCBWSignature; | |
99 | # define CBWSIGNATURE 0x43425355 | |
100 | __u32 dCBWTag; | |
101 | __u32 dCBWDataTransferLength; | |
102 | __u8 bCBWFlags; | |
103 | # define CBWFLAGS_OUT 0x00 | |
104 | # define CBWFLAGS_IN 0x80 | |
105 | __u8 bCBWLUN; | |
106 | __u8 bCDBLength; | |
107 | # define CBWCDBLENGTH 16 | |
108 | __u8 CBWCDB[CBWCDBLENGTH]; | |
109 | } umass_bbb_cbw_t; | |
80885a9d | 110 | #define UMASS_BBB_CBW_SIZE 31 |
a0cb3fc3 | 111 | static __u32 CBWTag; |
149dded2 WD |
112 | |
113 | /* Command Status Wrapper */ | |
114 | typedef struct { | |
115 | __u32 dCSWSignature; | |
116 | # define CSWSIGNATURE 0x53425355 | |
117 | __u32 dCSWTag; | |
118 | __u32 dCSWDataResidue; | |
119 | __u8 bCSWStatus; | |
120 | # define CSWSTATUS_GOOD 0x0 | |
80885a9d | 121 | # define CSWSTATUS_FAILED 0x1 |
149dded2 WD |
122 | # define CSWSTATUS_PHASE 0x2 |
123 | } umass_bbb_csw_t; | |
80885a9d | 124 | #define UMASS_BBB_CSW_SIZE 13 |
affae2bf WD |
125 | |
126 | #define USB_MAX_STOR_DEV 5 | |
a0cb3fc3 | 127 | static int usb_max_devs; /* number of highest available usb device */ |
affae2bf WD |
128 | |
129 | static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV]; | |
130 | ||
131 | struct us_data; | |
a0cb3fc3 MT |
132 | typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); |
133 | typedef int (*trans_reset)(struct us_data *data); | |
affae2bf WD |
134 | |
135 | struct us_data { | |
a0cb3fc3 MT |
136 | struct usb_device *pusb_dev; /* this usb_device */ |
137 | ||
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 */ | |
5dd95cf9 | 153 | unsigned long max_xfer_blk; /* Max blocks per xfer */ |
a0cb3fc3 MT |
154 | ccb *srb; /* current srb */ |
155 | trans_reset transport_reset; /* reset routine */ | |
156 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
157 | }; |
158 | ||
159 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; | |
160 | ||
161 | ||
80885a9d | 162 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
163 | #define USB_STOR_TRANSPORT_FAILED -1 |
164 | #define USB_STOR_TRANSPORT_ERROR -2 | |
165 | ||
a0cb3fc3 MT |
166 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
167 | block_dev_desc_t *dev_desc); | |
168 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, | |
169 | struct us_data *ss); | |
170 | unsigned long usb_stor_read(int device, unsigned long blknr, | |
171 | unsigned long blkcnt, void *buffer); | |
127e1084 MJ |
172 | unsigned long usb_stor_write(int device, unsigned long blknr, |
173 | unsigned long blkcnt, const void *buffer); | |
affae2bf WD |
174 | struct usb_device * usb_get_dev_index(int index); |
175 | void uhci_show_temp_int_td(void); | |
176 | ||
df3fc526 | 177 | #ifdef CONFIG_PARTITIONS |
affae2bf WD |
178 | block_dev_desc_t *usb_stor_get_dev(int index) |
179 | { | |
aaad108b | 180 | return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; |
affae2bf | 181 | } |
df3fc526 | 182 | #endif |
affae2bf WD |
183 | |
184 | void usb_show_progress(void) | |
185 | { | |
226fa9bb | 186 | debug("."); |
affae2bf WD |
187 | } |
188 | ||
a0cb3fc3 | 189 | /******************************************************************************* |
9c998aa8 WD |
190 | * show info on storage devices; 'usb start/init' must be invoked earlier |
191 | * as we only retrieve structures populated during devices initialization | |
192 | */ | |
f6b44e0e | 193 | int usb_stor_info(void) |
9c998aa8 WD |
194 | { |
195 | int i; | |
196 | ||
f6b44e0e | 197 | if (usb_max_devs > 0) { |
9c998aa8 | 198 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 199 | printf(" Device %d: ", i); |
9c998aa8 WD |
200 | dev_print(&usb_dev_desc[i]); |
201 | } | |
b9e749e9 | 202 | return 0; |
f6b44e0e | 203 | } |
1aeed8d7 | 204 | |
b9e749e9 MK |
205 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); |
206 | return 1; | |
9c998aa8 WD |
207 | } |
208 | ||
99e9ed1f LC |
209 | static unsigned int usb_get_max_lun(struct us_data *us) |
210 | { | |
211 | int len; | |
f5766139 | 212 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
213 | len = usb_control_msg(us->pusb_dev, |
214 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
215 | US_BBB_GET_MAX_LUN, | |
216 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
217 | 0, us->ifnum, | |
f5766139 | 218 | result, sizeof(char), |
99e9ed1f LC |
219 | USB_CNTL_TIMEOUT * 5); |
220 | USB_STOR_PRINTF("Get Max LUN -> len = %i, result = %i\n", | |
f5766139 PS |
221 | len, (int) *result); |
222 | return (len > 0) ? *result : 0; | |
99e9ed1f LC |
223 | } |
224 | ||
a0cb3fc3 | 225 | /******************************************************************************* |
9c998aa8 | 226 | * scan the usb and reports device info |
affae2bf WD |
227 | * to the user if mode = 1 |
228 | * returns current device or -1 if no | |
229 | */ | |
230 | int usb_stor_scan(int mode) | |
231 | { | |
232 | unsigned char i; | |
233 | struct usb_device *dev; | |
234 | ||
a0cb3fc3 | 235 | if (mode == 1) |
9c998aa8 | 236 | printf(" scanning bus for storage devices... "); |
a0cb3fc3 | 237 | |
affae2bf WD |
238 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
239 | ||
a0cb3fc3 MT |
240 | for (i = 0; i < USB_MAX_STOR_DEV; i++) { |
241 | memset(&usb_dev_desc[i], 0, sizeof(block_dev_desc_t)); | |
a0cb3fc3 MT |
242 | usb_dev_desc[i].if_type = IF_TYPE_USB; |
243 | usb_dev_desc[i].dev = i; | |
244 | usb_dev_desc[i].part_type = PART_TYPE_UNKNOWN; | |
a17c548b WD |
245 | usb_dev_desc[i].target = 0xff; |
246 | usb_dev_desc[i].type = DEV_TYPE_UNKNOWN; | |
a0cb3fc3 | 247 | usb_dev_desc[i].block_read = usb_stor_read; |
127e1084 | 248 | usb_dev_desc[i].block_write = usb_stor_write; |
affae2bf | 249 | } |
9c998aa8 | 250 | |
a0cb3fc3 MT |
251 | usb_max_devs = 0; |
252 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
253 | dev = usb_get_dev_index(i); /* get device */ | |
254 | USB_STOR_PRINTF("i=%d\n", i); | |
255 | if (dev == NULL) | |
6052cbab | 256 | break; /* no more devices available */ |
a0cb3fc3 MT |
257 | |
258 | if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) { | |
99e9ed1f LC |
259 | /* OK, it's a storage device. Iterate over its LUNs |
260 | * and populate `usb_dev_desc'. | |
a0cb3fc3 | 261 | */ |
99e9ed1f LC |
262 | int lun, max_lun, start = usb_max_devs; |
263 | ||
264 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
265 | for (lun = 0; | |
266 | lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
267 | lun++) { | |
268 | usb_dev_desc[usb_max_devs].lun = lun; | |
269 | if (usb_stor_get_info(dev, &usb_stor[start], | |
270 | &usb_dev_desc[usb_max_devs]) == 1) { | |
affae2bf | 271 | usb_max_devs++; |
99e9ed1f LC |
272 | } |
273 | } | |
a0cb3fc3 MT |
274 | } |
275 | /* if storage device */ | |
276 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
277 | printf("max USB Storage Device reached: %d stopping\n", | |
278 | usb_max_devs); | |
affae2bf WD |
279 | break; |
280 | } | |
281 | } /* for */ | |
095b8a37 | 282 | |
affae2bf | 283 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 284 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 285 | if (usb_max_devs > 0) |
affae2bf | 286 | return 0; |
a0cb3fc3 | 287 | return -1; |
affae2bf WD |
288 | } |
289 | ||
290 | static int usb_stor_irq(struct usb_device *dev) | |
291 | { | |
292 | struct us_data *us; | |
a0cb3fc3 | 293 | us = (struct us_data *)dev->privptr; |
affae2bf | 294 | |
a0cb3fc3 MT |
295 | if (us->ip_wanted) |
296 | us->ip_wanted = 0; | |
affae2bf WD |
297 | return 0; |
298 | } | |
299 | ||
300 | ||
301 | #ifdef USB_STOR_DEBUG | |
302 | ||
a0cb3fc3 | 303 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
304 | { |
305 | int i; | |
a0cb3fc3 MT |
306 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
307 | for (i = 0; i < 12; i++) | |
308 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
309 | printf("\n"); |
310 | } | |
311 | ||
312 | static void display_int_status(unsigned long tmp) | |
313 | { | |
314 | printf("Status: %s %s %s %s %s %s %s\n", | |
315 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
316 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
317 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
318 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
319 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
320 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
321 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
322 | } | |
323 | #endif | |
324 | /*********************************************************************** | |
325 | * Data transfer routines | |
326 | ***********************************************************************/ | |
327 | ||
328 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
329 | { | |
330 | int max_size; | |
331 | int this_xfer; | |
332 | int result; | |
333 | int partial; | |
334 | int maxtry; | |
335 | int stat; | |
336 | ||
337 | /* determine the maximum packet size for these transfers */ | |
338 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
339 | ||
340 | /* while we have data left to transfer */ | |
341 | while (length) { | |
342 | ||
343 | /* calculate how long this will be -- maximum or a remainder */ | |
344 | this_xfer = length > max_size ? max_size : length; | |
345 | length -= this_xfer; | |
346 | ||
347 | /* setup the retry counter */ | |
348 | maxtry = 10; | |
349 | ||
350 | /* set up the transfer loop */ | |
351 | do { | |
352 | /* transfer the data */ | |
353 | USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n", | |
354 | (unsigned int)buf, this_xfer, 11 - maxtry); | |
355 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, | |
a0cb3fc3 MT |
356 | this_xfer, &partial, |
357 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
358 | USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n", |
359 | result, partial, this_xfer); | |
a0cb3fc3 MT |
360 | if (us->pusb_dev->status != 0) { |
361 | /* if we stall, we need to clear it before | |
362 | * we go on | |
363 | */ | |
affae2bf WD |
364 | #ifdef USB_STOR_DEBUG |
365 | display_int_status(us->pusb_dev->status); | |
366 | #endif | |
367 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
368 | USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe); | |
369 | stat = us->pusb_dev->status; | |
370 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
371 | us->pusb_dev->status = stat; |
372 | if (this_xfer == partial) { | |
4b210e8b | 373 | USB_STOR_PRINTF("bulk transferred with error %lX, but data ok\n", us->pusb_dev->status); |
affae2bf WD |
374 | return 0; |
375 | } | |
376 | else | |
377 | return result; | |
378 | } | |
379 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
380 | USB_STOR_PRINTF("Device NAKed bulk_msg\n"); | |
381 | return result; | |
382 | } | |
a0cb3fc3 MT |
383 | USB_STOR_PRINTF("bulk transferred with error"); |
384 | if (this_xfer == partial) { | |
4b210e8b | 385 | USB_STOR_PRINTF(" %ld, but data ok\n", |
a0cb3fc3 | 386 | us->pusb_dev->status); |
affae2bf WD |
387 | return 0; |
388 | } | |
389 | /* if our try counter reaches 0, bail out */ | |
4b210e8b | 390 | USB_STOR_PRINTF(" %ld, data %d\n", |
a0cb3fc3 | 391 | us->pusb_dev->status, partial); |
affae2bf WD |
392 | if (!maxtry--) |
393 | return result; | |
394 | } | |
395 | /* update to show what data was transferred */ | |
396 | this_xfer -= partial; | |
397 | buf += partial; | |
398 | /* continue until this transfer is done */ | |
a0cb3fc3 | 399 | } while (this_xfer); |
affae2bf WD |
400 | } |
401 | ||
402 | /* if we get here, we're done and successful */ | |
403 | return 0; | |
404 | } | |
405 | ||
149dded2 WD |
406 | static int usb_stor_BBB_reset(struct us_data *us) |
407 | { | |
408 | int result; | |
409 | unsigned int pipe; | |
410 | ||
411 | /* | |
412 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
413 | * | |
414 | * For Reset Recovery the host shall issue in the following order: | |
415 | * a) a Bulk-Only Mass Storage Reset | |
416 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
417 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
418 | * | |
419 | * This is done in 3 steps. | |
420 | * | |
421 | * If the reset doesn't succeed, the device should be port reset. | |
422 | * | |
423 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
424 | */ | |
425 | USB_STOR_PRINTF("BBB_reset\n"); | |
a0cb3fc3 MT |
426 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
427 | US_BBB_RESET, | |
428 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
429 | 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT * 5); | |
9c998aa8 | 430 | |
a0cb3fc3 | 431 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
149dded2 WD |
432 | USB_STOR_PRINTF("RESET:stall\n"); |
433 | return -1; | |
434 | } | |
9c998aa8 | 435 | |
149dded2 | 436 | /* long wait for reset */ |
5b84dd67 | 437 | mdelay(150); |
4b210e8b | 438 | USB_STOR_PRINTF("BBB_reset result %d: status %lX reset\n", result, |
a0cb3fc3 | 439 | us->pusb_dev->status); |
149dded2 WD |
440 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
441 | result = usb_clear_halt(us->pusb_dev, pipe); | |
442 | /* long wait for reset */ | |
5b84dd67 | 443 | mdelay(150); |
4b210e8b | 444 | USB_STOR_PRINTF("BBB_reset result %d: status %lX clearing IN endpoint\n", |
a0cb3fc3 | 445 | result, us->pusb_dev->status); |
149dded2 WD |
446 | /* long wait for reset */ |
447 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
448 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 449 | mdelay(150); |
4b210e8b | 450 | USB_STOR_PRINTF("BBB_reset result %d: status %lX" |
a0cb3fc3 MT |
451 | " clearing OUT endpoint\n", result, |
452 | us->pusb_dev->status); | |
149dded2 WD |
453 | USB_STOR_PRINTF("BBB_reset done\n"); |
454 | return 0; | |
455 | } | |
456 | ||
affae2bf WD |
457 | /* FIXME: this reset function doesn't really reset the port, and it |
458 | * should. Actually it should probably do what it's doing here, and | |
459 | * reset the port physically | |
460 | */ | |
461 | static int usb_stor_CB_reset(struct us_data *us) | |
462 | { | |
463 | unsigned char cmd[12]; | |
464 | int result; | |
465 | ||
466 | USB_STOR_PRINTF("CB_reset\n"); | |
a0cb3fc3 | 467 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
468 | cmd[0] = SCSI_SEND_DIAG; |
469 | cmd[1] = 4; | |
a0cb3fc3 MT |
470 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
471 | US_CBI_ADSC, | |
472 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
473 | 0, us->ifnum, cmd, sizeof(cmd), | |
474 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
475 | |
476 | /* long wait for reset */ | |
5b84dd67 | 477 | mdelay(1500); |
4b210e8b | 478 | USB_STOR_PRINTF("CB_reset result %d: status %lX" |
a0cb3fc3 MT |
479 | " clearing endpoint halt\n", result, |
480 | us->pusb_dev->status); | |
affae2bf WD |
481 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
482 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
483 | ||
484 | USB_STOR_PRINTF("CB_reset done\n"); | |
485 | return 0; | |
486 | } | |
487 | ||
149dded2 WD |
488 | /* |
489 | * Set up the command for a BBB device. Note that the actual SCSI | |
490 | * command is copied into cbw.CBWCDB. | |
491 | */ | |
492 | int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) | |
493 | { | |
494 | int result; | |
495 | int actlen; | |
496 | int dir_in; | |
497 | unsigned int pipe; | |
f5766139 | 498 | ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1); |
149dded2 WD |
499 | |
500 | dir_in = US_DIRECTION(srb->cmd[0]); | |
501 | ||
502 | #ifdef BBB_COMDAT_TRACE | |
a0cb3fc3 MT |
503 | printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", |
504 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, | |
505 | srb->pdata); | |
149dded2 | 506 | if (srb->cmdlen) { |
a0cb3fc3 | 507 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
508 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
509 | printf("\n"); | |
510 | } | |
511 | #endif | |
512 | /* sanity checks */ | |
513 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
514 | USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n"); | |
515 | return -1; | |
516 | } | |
517 | ||
518 | /* always OUT to the ep */ | |
519 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
520 | ||
f5766139 PS |
521 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
522 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
523 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
524 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
525 | cbw->bCBWLUN = srb->lun; | |
526 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
527 | /* copy the command data into the CBW command data buffer */ |
528 | /* DST SRC LEN!!! */ | |
f5766139 PS |
529 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
530 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 531 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
532 | if (result < 0) |
533 | USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n"); | |
534 | return result; | |
535 | } | |
536 | ||
affae2bf WD |
537 | /* FIXME: we also need a CBI_command which sets up the completion |
538 | * interrupt, and waits for it | |
539 | */ | |
540 | int usb_stor_CB_comdat(ccb *srb, struct us_data *us) | |
541 | { | |
77ddac94 | 542 | int result = 0; |
a0cb3fc3 | 543 | int dir_in, retry; |
affae2bf WD |
544 | unsigned int pipe; |
545 | unsigned long status; | |
546 | ||
a0cb3fc3 MT |
547 | retry = 5; |
548 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 549 | |
a0cb3fc3 MT |
550 | if (dir_in) |
551 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
552 | else | |
553 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
554 | ||
555 | while (retry--) { | |
556 | USB_STOR_PRINTF("CBI gets a command: Try %d\n", 5 - retry); | |
affae2bf WD |
557 | #ifdef USB_STOR_DEBUG |
558 | usb_show_srb(srb); | |
559 | #endif | |
560 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
561 | result = usb_control_msg(us->pusb_dev, |
562 | usb_sndctrlpipe(us->pusb_dev , 0), | |
563 | US_CBI_ADSC, | |
564 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 565 | 0, us->ifnum, |
a0cb3fc3 MT |
566 | srb->cmd, srb->cmdlen, |
567 | USB_CNTL_TIMEOUT * 5); | |
568 | USB_STOR_PRINTF("CB_transport: control msg returned %d," | |
4b210e8b | 569 | " status %lX\n", result, us->pusb_dev->status); |
affae2bf WD |
570 | /* check the return code for the command */ |
571 | if (result < 0) { | |
a0cb3fc3 MT |
572 | if (us->pusb_dev->status & USB_ST_STALLED) { |
573 | status = us->pusb_dev->status; | |
574 | USB_STOR_PRINTF(" stall during command found," | |
575 | " clear pipe\n"); | |
576 | usb_clear_halt(us->pusb_dev, | |
577 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
578 | us->pusb_dev->status = status; | |
affae2bf | 579 | } |
a0cb3fc3 | 580 | USB_STOR_PRINTF(" error during command %02X" |
4b210e8b | 581 | " Stat = %lX\n", srb->cmd[0], |
a0cb3fc3 | 582 | us->pusb_dev->status); |
affae2bf WD |
583 | return result; |
584 | } | |
585 | /* transfer the data payload for this command, if one exists*/ | |
586 | ||
a0cb3fc3 MT |
587 | USB_STOR_PRINTF("CB_transport: control msg returned %d," |
588 | " direction is %s to go 0x%lx\n", result, | |
589 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 590 | if (srb->datalen) { |
a0cb3fc3 MT |
591 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
592 | srb->datalen); | |
593 | USB_STOR_PRINTF("CBI attempted to transfer data," | |
594 | " result is %d status %lX, len %d\n", | |
595 | result, us->pusb_dev->status, | |
596 | us->pusb_dev->act_len); | |
597 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) | |
affae2bf WD |
598 | break; |
599 | } /* if (srb->datalen) */ | |
600 | else | |
601 | break; | |
602 | } | |
603 | /* return result */ | |
604 | ||
605 | return result; | |
606 | } | |
607 | ||
608 | ||
a0cb3fc3 | 609 | int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
610 | { |
611 | int timeout; | |
612 | ||
80885a9d | 613 | us->ip_wanted = 1; |
a0cb3fc3 | 614 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
615 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
616 | timeout = 1000; | |
617 | while (timeout--) { | |
618 | if ((volatile int *) us->ip_wanted == 0) | |
affae2bf | 619 | break; |
5b84dd67 | 620 | mdelay(10); |
affae2bf WD |
621 | } |
622 | if (us->ip_wanted) { | |
a0cb3fc3 | 623 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
624 | us->ip_wanted = 0; |
625 | return USB_STOR_TRANSPORT_ERROR; | |
626 | } | |
80885a9d WD |
627 | USB_STOR_PRINTF |
628 | ("Got interrupt data 0x%x, transfered %d status 0x%lX\n", | |
629 | us->ip_data, us->pusb_dev->irq_act_len, | |
630 | us->pusb_dev->irq_status); | |
affae2bf WD |
631 | /* UFI gives us ASC and ASCQ, like a request sense */ |
632 | if (us->subclass == US_SC_UFI) { | |
633 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
634 | srb->cmd[0] == SCSI_INQUIRY) | |
635 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
636 | else if (us->ip_data) |
637 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 638 | else |
80885a9d | 639 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
640 | } |
641 | /* otherwise, we interpret the data normally */ | |
642 | switch (us->ip_data) { | |
80885a9d WD |
643 | case 0x0001: |
644 | return USB_STOR_TRANSPORT_GOOD; | |
645 | case 0x0002: | |
646 | return USB_STOR_TRANSPORT_FAILED; | |
647 | default: | |
648 | return USB_STOR_TRANSPORT_ERROR; | |
649 | } /* switch */ | |
affae2bf WD |
650 | return USB_STOR_TRANSPORT_ERROR; |
651 | } | |
652 | ||
653 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
654 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
655 | ||
149dded2 WD |
656 | /* clear a stall on an endpoint - special for BBB devices */ |
657 | int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) | |
658 | { | |
659 | int result; | |
660 | ||
661 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 662 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 663 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
a0cb3fc3 | 664 | 0, endpt, 0, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
665 | return result; |
666 | } | |
667 | ||
668 | int usb_stor_BBB_transport(ccb *srb, struct us_data *us) | |
669 | { | |
670 | int result, retry; | |
671 | int dir_in; | |
672 | int actlen, data_actlen; | |
673 | unsigned int pipe, pipein, pipeout; | |
f5766139 | 674 | ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1); |
149dded2 WD |
675 | #ifdef BBB_XPORT_TRACE |
676 | unsigned char *ptr; | |
677 | int index; | |
678 | #endif | |
679 | ||
680 | dir_in = US_DIRECTION(srb->cmd[0]); | |
681 | ||
682 | /* COMMAND phase */ | |
683 | USB_STOR_PRINTF("COMMAND phase\n"); | |
684 | result = usb_stor_BBB_comdat(srb, us); | |
685 | if (result < 0) { | |
686 | USB_STOR_PRINTF("failed to send CBW status %ld\n", | |
687 | us->pusb_dev->status); | |
688 | usb_stor_BBB_reset(us); | |
689 | return USB_STOR_TRANSPORT_FAILED; | |
690 | } | |
5b84dd67 | 691 | mdelay(5); |
149dded2 WD |
692 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
693 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
694 | /* DATA phase + error handling */ | |
149dded2 WD |
695 | data_actlen = 0; |
696 | /* no data, go immediately to the STATUS phase */ | |
697 | if (srb->datalen == 0) | |
698 | goto st; | |
80885a9d | 699 | USB_STOR_PRINTF("DATA phase\n"); |
149dded2 WD |
700 | if (dir_in) |
701 | pipe = pipein; | |
702 | else | |
703 | pipe = pipeout; | |
a0cb3fc3 MT |
704 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
705 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 706 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 707 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
a43278a4 | 708 | USB_STOR_PRINTF("DATA:stall\n"); |
149dded2 | 709 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
710 | result = usb_stor_BBB_clear_endpt_stall(us, |
711 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
712 | if (result >= 0) |
713 | /* continue on to STATUS phase */ | |
714 | goto st; | |
715 | } | |
716 | if (result < 0) { | |
717 | USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", | |
718 | us->pusb_dev->status); | |
719 | usb_stor_BBB_reset(us); | |
720 | return USB_STOR_TRANSPORT_FAILED; | |
721 | } | |
722 | #ifdef BBB_XPORT_TRACE | |
723 | for (index = 0; index < data_actlen; index++) | |
724 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
725 | printf("\n"); | |
726 | #endif | |
727 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 728 | st: |
149dded2 | 729 | retry = 0; |
a0cb3fc3 | 730 | again: |
149dded2 | 731 | USB_STOR_PRINTF("STATUS phase\n"); |
f5766139 | 732 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
733 | &actlen, USB_CNTL_TIMEOUT*5); |
734 | ||
149dded2 | 735 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
736 | if ((result < 0) && (retry < 1) && |
737 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
149dded2 WD |
738 | USB_STOR_PRINTF("STATUS:stall\n"); |
739 | /* clear the STALL on the endpoint */ | |
740 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
741 | if (result >= 0 && (retry++ < 1)) | |
742 | /* do a retry */ | |
743 | goto again; | |
744 | } | |
745 | if (result < 0) { | |
746 | USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", | |
747 | us->pusb_dev->status); | |
748 | usb_stor_BBB_reset(us); | |
749 | return USB_STOR_TRANSPORT_FAILED; | |
750 | } | |
751 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 752 | ptr = (unsigned char *)csw; |
149dded2 WD |
753 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
754 | printf("ptr[%d] %#x ", index, ptr[index]); | |
755 | printf("\n"); | |
756 | #endif | |
757 | /* misuse pipe to get the residue */ | |
f5766139 | 758 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
759 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
760 | pipe = srb->datalen - data_actlen; | |
f5766139 | 761 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
149dded2 WD |
762 | USB_STOR_PRINTF("!CSWSIGNATURE\n"); |
763 | usb_stor_BBB_reset(us); | |
764 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 765 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
149dded2 WD |
766 | USB_STOR_PRINTF("!Tag\n"); |
767 | usb_stor_BBB_reset(us); | |
768 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 769 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
149dded2 WD |
770 | USB_STOR_PRINTF(">PHASE\n"); |
771 | usb_stor_BBB_reset(us); | |
772 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 773 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
149dded2 WD |
774 | USB_STOR_PRINTF("=PHASE\n"); |
775 | usb_stor_BBB_reset(us); | |
776 | return USB_STOR_TRANSPORT_FAILED; | |
777 | } else if (data_actlen > srb->datalen) { | |
4b210e8b | 778 | USB_STOR_PRINTF("transferred %dB instead of %ldB\n", |
149dded2 WD |
779 | data_actlen, srb->datalen); |
780 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 781 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
149dded2 WD |
782 | USB_STOR_PRINTF("FAILED\n"); |
783 | return USB_STOR_TRANSPORT_FAILED; | |
784 | } | |
785 | ||
786 | return result; | |
787 | } | |
788 | ||
affae2bf WD |
789 | int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
790 | { | |
a0cb3fc3 | 791 | int result, status; |
affae2bf WD |
792 | ccb *psrb; |
793 | ccb reqsrb; | |
a0cb3fc3 | 794 | int retry, notready; |
affae2bf | 795 | |
d0ff51ba | 796 | psrb = &reqsrb; |
a0cb3fc3 MT |
797 | status = USB_STOR_TRANSPORT_GOOD; |
798 | retry = 0; | |
799 | notready = 0; | |
affae2bf WD |
800 | /* issue the command */ |
801 | do_retry: | |
a0cb3fc3 | 802 | result = usb_stor_CB_comdat(srb, us); |
4b210e8b | 803 | USB_STOR_PRINTF("command / Data returned %d, status %lX\n", |
a0cb3fc3 | 804 | result, us->pusb_dev->status); |
affae2bf | 805 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
806 | if (us->protocol == US_PR_CBI) { |
807 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 808 | /* if the status is error, report it */ |
a0cb3fc3 | 809 | if (status == USB_STOR_TRANSPORT_ERROR) { |
affae2bf WD |
810 | USB_STOR_PRINTF(" USB CBI Command Error\n"); |
811 | return status; | |
812 | } | |
a0cb3fc3 MT |
813 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
814 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
815 | if (!us->ip_data) { | |
816 | /* if the status is good, report it */ | |
817 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
affae2bf WD |
818 | USB_STOR_PRINTF(" USB CBI Command Good\n"); |
819 | return status; | |
820 | } | |
821 | } | |
822 | } | |
823 | /* do we have to issue an auto request? */ | |
824 | /* HERE we have to check the result */ | |
a0cb3fc3 | 825 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
4b210e8b | 826 | USB_STOR_PRINTF("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
827 | us->transport_reset(us); |
828 | return USB_STOR_TRANSPORT_ERROR; | |
829 | } | |
a0cb3fc3 MT |
830 | if ((us->protocol == US_PR_CBI) && |
831 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
832 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
833 | /* do not issue an autorequest after request sense */ | |
affae2bf WD |
834 | USB_STOR_PRINTF("No auto request and good\n"); |
835 | return USB_STOR_TRANSPORT_GOOD; | |
836 | } | |
837 | /* issue an request_sense */ | |
a0cb3fc3 MT |
838 | memset(&psrb->cmd[0], 0, 12); |
839 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
840 | psrb->cmd[1] = srb->lun << 5; | |
841 | psrb->cmd[4] = 18; | |
842 | psrb->datalen = 18; | |
d0ff51ba | 843 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 844 | psrb->cmdlen = 12; |
affae2bf | 845 | /* issue the command */ |
a0cb3fc3 MT |
846 | result = usb_stor_CB_comdat(psrb, us); |
847 | USB_STOR_PRINTF("auto request returned %d\n", result); | |
affae2bf | 848 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
849 | if (us->protocol == US_PR_CBI) |
850 | status = usb_stor_CBI_get_status(psrb, us); | |
851 | ||
852 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
4b210e8b | 853 | USB_STOR_PRINTF(" AUTO REQUEST ERROR %ld\n", |
a0cb3fc3 | 854 | us->pusb_dev->status); |
affae2bf WD |
855 | return USB_STOR_TRANSPORT_ERROR; |
856 | } | |
a0cb3fc3 MT |
857 | USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
858 | srb->sense_buf[0], srb->sense_buf[2], | |
859 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 860 | /* Check the auto request result */ |
a0cb3fc3 MT |
861 | if ((srb->sense_buf[2] == 0) && |
862 | (srb->sense_buf[12] == 0) && | |
863 | (srb->sense_buf[13] == 0)) { | |
864 | /* ok, no sense */ | |
affae2bf | 865 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
866 | } |
867 | ||
affae2bf | 868 | /* Check the auto request result */ |
a0cb3fc3 MT |
869 | switch (srb->sense_buf[2]) { |
870 | case 0x01: | |
871 | /* Recovered Error */ | |
149dded2 | 872 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 873 | break; |
a0cb3fc3 MT |
874 | case 0x02: |
875 | /* Not Ready */ | |
876 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
877 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
878 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
879 | srb->sense_buf[0], srb->sense_buf[2], | |
880 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
881 | return USB_STOR_TRANSPORT_FAILED; |
882 | } else { | |
5b84dd67 | 883 | mdelay(100); |
149dded2 WD |
884 | goto do_retry; |
885 | } | |
886 | break; | |
887 | default: | |
a0cb3fc3 MT |
888 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
889 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
890 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
891 | srb->sense_buf[2], srb->sense_buf[12], | |
892 | srb->sense_buf[13]); | |
149dded2 | 893 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 894 | } else |
149dded2 | 895 | goto do_retry; |
149dded2 | 896 | break; |
affae2bf WD |
897 | } |
898 | return USB_STOR_TRANSPORT_FAILED; | |
899 | } | |
900 | ||
901 | ||
a0cb3fc3 | 902 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 903 | { |
a0cb3fc3 MT |
904 | int retry, i; |
905 | retry = 5; | |
affae2bf | 906 | do { |
a0cb3fc3 MT |
907 | memset(&srb->cmd[0], 0, 12); |
908 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 909 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
910 | srb->cmd[4] = 36; |
911 | srb->datalen = 36; | |
912 | srb->cmdlen = 12; | |
913 | i = ss->transport(srb, ss); | |
914 | USB_STOR_PRINTF("inquiry returns %d\n", i); | |
915 | if (i == 0) | |
affae2bf | 916 | break; |
fac71cc4 | 917 | } while (--retry); |
149dded2 | 918 | |
a0cb3fc3 | 919 | if (!retry) { |
affae2bf WD |
920 | printf("error in inquiry\n"); |
921 | return -1; | |
922 | } | |
923 | return 0; | |
924 | } | |
925 | ||
a0cb3fc3 | 926 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
927 | { |
928 | char *ptr; | |
80885a9d | 929 | |
a0cb3fc3 MT |
930 | ptr = (char *)srb->pdata; |
931 | memset(&srb->cmd[0], 0, 12); | |
932 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 933 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
934 | srb->cmd[4] = 18; |
935 | srb->datalen = 18; | |
d0ff51ba | 936 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
937 | srb->cmdlen = 12; |
938 | ss->transport(srb, ss); | |
939 | USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n", | |
940 | srb->sense_buf[2], srb->sense_buf[12], | |
941 | srb->sense_buf[13]); | |
942 | srb->pdata = (uchar *)ptr; | |
affae2bf WD |
943 | return 0; |
944 | } | |
945 | ||
a0cb3fc3 | 946 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 947 | { |
9c998aa8 | 948 | int retries = 10; |
149dded2 | 949 | |
affae2bf | 950 | do { |
a0cb3fc3 MT |
951 | memset(&srb->cmd[0], 0, 12); |
952 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 953 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
954 | srb->datalen = 0; |
955 | srb->cmdlen = 12; | |
956 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 957 | return 0; |
a0cb3fc3 | 958 | usb_request_sense(srb, ss); |
5b84dd67 | 959 | mdelay(100); |
a0cb3fc3 | 960 | } while (retries--); |
149dded2 | 961 | |
affae2bf WD |
962 | return -1; |
963 | } | |
964 | ||
a0cb3fc3 | 965 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
966 | { |
967 | int retry; | |
a0cb3fc3 MT |
968 | /* XXX retries */ |
969 | retry = 3; | |
affae2bf | 970 | do { |
a0cb3fc3 MT |
971 | memset(&srb->cmd[0], 0, 12); |
972 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 973 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
974 | srb->datalen = 8; |
975 | srb->cmdlen = 12; | |
976 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 977 | return 0; |
a0cb3fc3 | 978 | } while (retry--); |
149dded2 | 979 | |
affae2bf WD |
980 | return -1; |
981 | } | |
982 | ||
a0cb3fc3 MT |
983 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
984 | unsigned short blocks) | |
affae2bf | 985 | { |
a0cb3fc3 MT |
986 | memset(&srb->cmd[0], 0, 12); |
987 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 988 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
989 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
990 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
991 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
992 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
993 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
994 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
995 | srb->cmdlen = 12; | |
996 | USB_STOR_PRINTF("read10: start %lx blocks %x\n", start, blocks); | |
997 | return ss->transport(srb, ss); | |
affae2bf WD |
998 | } |
999 | ||
127e1084 MJ |
1000 | static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, |
1001 | unsigned short blocks) | |
1002 | { | |
1003 | memset(&srb->cmd[0], 0, 12); | |
1004 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1005 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1006 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1007 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1008 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1009 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1010 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1011 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1012 | srb->cmdlen = 12; | |
1013 | USB_STOR_PRINTF("write10: start %lx blocks %x\n", start, blocks); | |
1014 | return ss->transport(srb, ss); | |
1015 | } | |
1016 | ||
affae2bf | 1017 | |
ddde6b7c BS |
1018 | #ifdef CONFIG_USB_BIN_FIXUP |
1019 | /* | |
1020 | * Some USB storage devices queried for SCSI identification data respond with | |
1021 | * binary strings, which if output to the console freeze the terminal. The | |
1022 | * workaround is to modify the vendor and product strings read from such | |
1023 | * device with proper values (as reported by 'usb info'). | |
1024 | * | |
1025 | * Vendor and product length limits are taken from the definition of | |
1026 | * block_dev_desc_t in include/part.h. | |
1027 | */ | |
1028 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1029 | unsigned char vendor[], | |
1030 | unsigned char product[]) { | |
1031 | const unsigned char max_vendor_len = 40; | |
1032 | const unsigned char max_product_len = 20; | |
1033 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1034 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1035 | strncpy((char *)product, "Flash Media Cntrller", | |
1036 | max_product_len); | |
ddde6b7c BS |
1037 | } |
1038 | } | |
1039 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1040 | ||
a0cb3fc3 MT |
1041 | unsigned long usb_stor_read(int device, unsigned long blknr, |
1042 | unsigned long blkcnt, void *buffer) | |
affae2bf | 1043 | { |
a0cb3fc3 | 1044 | unsigned long start, blks, buf_addr; |
affae2bf WD |
1045 | unsigned short smallblks; |
1046 | struct usb_device *dev; | |
5dd95cf9 | 1047 | struct us_data *ss; |
a0cb3fc3 | 1048 | int retry, i; |
f8d813e3 WD |
1049 | ccb *srb = &usb_ccb; |
1050 | ||
1051 | if (blkcnt == 0) | |
1052 | return 0; | |
1053 | ||
1054 | device &= 0xff; | |
a0cb3fc3 MT |
1055 | /* Setup device */ |
1056 | USB_STOR_PRINTF("\nusb_read: dev %d \n", device); | |
1057 | dev = NULL; | |
1058 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1059 | dev = usb_get_dev_index(i); | |
1060 | if (dev == NULL) | |
affae2bf | 1061 | return 0; |
a0cb3fc3 | 1062 | if (dev->devnum == usb_dev_desc[device].target) |
affae2bf WD |
1063 | break; |
1064 | } | |
5dd95cf9 | 1065 | ss = (struct us_data *)dev->privptr; |
affae2bf WD |
1066 | |
1067 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
a0cb3fc3 MT |
1068 | srb->lun = usb_dev_desc[device].lun; |
1069 | buf_addr = (unsigned long)buffer; | |
1070 | start = blknr; | |
1071 | blks = blkcnt; | |
5dd95cf9 | 1072 | if (usb_test_unit_ready(srb, ss)) { |
a0cb3fc3 MT |
1073 | printf("Device NOT ready\n Request Sense returned %02X %02X" |
1074 | " %02X\n", srb->sense_buf[2], srb->sense_buf[12], | |
1075 | srb->sense_buf[13]); | |
affae2bf WD |
1076 | return 0; |
1077 | } | |
a0cb3fc3 MT |
1078 | |
1079 | USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx" | |
1080 | " buffer %lx\n", device, start, blks, buf_addr); | |
1081 | ||
affae2bf | 1082 | do { |
a0cb3fc3 MT |
1083 | /* XXX need some comment here */ |
1084 | retry = 2; | |
1085 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 KM |
1086 | if (blks > ss->max_xfer_blk) |
1087 | smallblks = ss->max_xfer_blk; | |
a0cb3fc3 MT |
1088 | else |
1089 | smallblks = (unsigned short) blks; | |
affae2bf | 1090 | retry_it: |
5dd95cf9 | 1091 | if (smallblks == ss->max_xfer_blk) |
affae2bf | 1092 | usb_show_progress(); |
a0cb3fc3 MT |
1093 | srb->datalen = usb_dev_desc[device].blksz * smallblks; |
1094 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1095 | if (usb_read_10(srb, ss, start, smallblks)) { |
affae2bf | 1096 | USB_STOR_PRINTF("Read ERROR\n"); |
5dd95cf9 | 1097 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1098 | if (retry--) |
affae2bf | 1099 | goto retry_it; |
a0cb3fc3 | 1100 | blkcnt -= blks; |
affae2bf WD |
1101 | break; |
1102 | } | |
a0cb3fc3 MT |
1103 | start += smallblks; |
1104 | blks -= smallblks; | |
1105 | buf_addr += srb->datalen; | |
1106 | } while (blks != 0); | |
1107 | ||
1108 | USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n", | |
1109 | start, smallblks, buf_addr); | |
1110 | ||
affae2bf | 1111 | usb_disable_asynch(0); /* asynch transfer allowed */ |
5dd95cf9 | 1112 | if (blkcnt >= ss->max_xfer_blk) |
226fa9bb | 1113 | debug("\n"); |
a0cb3fc3 | 1114 | return blkcnt; |
affae2bf WD |
1115 | } |
1116 | ||
127e1084 MJ |
1117 | unsigned long usb_stor_write(int device, unsigned long blknr, |
1118 | unsigned long blkcnt, const void *buffer) | |
1119 | { | |
1120 | unsigned long start, blks, buf_addr; | |
1121 | unsigned short smallblks; | |
1122 | struct usb_device *dev; | |
5dd95cf9 | 1123 | struct us_data *ss; |
127e1084 MJ |
1124 | int retry, i; |
1125 | ccb *srb = &usb_ccb; | |
1126 | ||
1127 | if (blkcnt == 0) | |
1128 | return 0; | |
1129 | ||
1130 | device &= 0xff; | |
1131 | /* Setup device */ | |
1132 | USB_STOR_PRINTF("\nusb_write: dev %d \n", device); | |
1133 | dev = NULL; | |
1134 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
1135 | dev = usb_get_dev_index(i); | |
1136 | if (dev == NULL) | |
1137 | return 0; | |
1138 | if (dev->devnum == usb_dev_desc[device].target) | |
1139 | break; | |
1140 | } | |
5dd95cf9 | 1141 | ss = (struct us_data *)dev->privptr; |
127e1084 MJ |
1142 | |
1143 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1144 | ||
1145 | srb->lun = usb_dev_desc[device].lun; | |
1146 | buf_addr = (unsigned long)buffer; | |
1147 | start = blknr; | |
1148 | blks = blkcnt; | |
5dd95cf9 | 1149 | if (usb_test_unit_ready(srb, ss)) { |
127e1084 MJ |
1150 | printf("Device NOT ready\n Request Sense returned %02X %02X" |
1151 | " %02X\n", srb->sense_buf[2], srb->sense_buf[12], | |
1152 | srb->sense_buf[13]); | |
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | USB_STOR_PRINTF("\nusb_write: dev %d startblk %lx, blccnt %lx" | |
1157 | " buffer %lx\n", device, start, blks, buf_addr); | |
1158 | ||
1159 | do { | |
1160 | /* If write fails retry for max retry count else | |
1161 | * return with number of blocks written successfully. | |
1162 | */ | |
1163 | retry = 2; | |
1164 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 KM |
1165 | if (blks > ss->max_xfer_blk) |
1166 | smallblks = ss->max_xfer_blk; | |
127e1084 MJ |
1167 | else |
1168 | smallblks = (unsigned short) blks; | |
1169 | retry_it: | |
5dd95cf9 | 1170 | if (smallblks == ss->max_xfer_blk) |
127e1084 MJ |
1171 | usb_show_progress(); |
1172 | srb->datalen = usb_dev_desc[device].blksz * smallblks; | |
1173 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1174 | if (usb_write_10(srb, ss, start, smallblks)) { |
127e1084 | 1175 | USB_STOR_PRINTF("Write ERROR\n"); |
5dd95cf9 | 1176 | usb_request_sense(srb, ss); |
127e1084 MJ |
1177 | if (retry--) |
1178 | goto retry_it; | |
1179 | blkcnt -= blks; | |
1180 | break; | |
1181 | } | |
1182 | start += smallblks; | |
1183 | blks -= smallblks; | |
1184 | buf_addr += srb->datalen; | |
1185 | } while (blks != 0); | |
1186 | ||
1187 | USB_STOR_PRINTF("usb_write: end startblk %lx, blccnt %x buffer %lx\n", | |
1188 | start, smallblks, buf_addr); | |
1189 | ||
1190 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
5dd95cf9 | 1191 | if (blkcnt >= ss->max_xfer_blk) |
226fa9bb | 1192 | debug("\n"); |
127e1084 MJ |
1193 | return blkcnt; |
1194 | ||
1195 | } | |
affae2bf WD |
1196 | |
1197 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1198 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1199 | struct us_data *ss) | |
affae2bf | 1200 | { |
8f8bd565 | 1201 | struct usb_interface *iface; |
affae2bf WD |
1202 | int i; |
1203 | unsigned int flags = 0; | |
1204 | ||
1205 | int protocol = 0; | |
1206 | int subclass = 0; | |
1207 | ||
affae2bf WD |
1208 | /* let's examine the device now */ |
1209 | iface = &dev->config.if_desc[ifnum]; | |
1210 | ||
1211 | #if 0 | |
1212 | /* this is the place to patch some storage devices */ | |
a0cb3fc3 MT |
1213 | USB_STOR_PRINTF("iVendor %X iProduct %X\n", dev->descriptor.idVendor, |
1214 | dev->descriptor.idProduct); | |
1215 | ||
1216 | if ((dev->descriptor.idVendor) == 0x066b && | |
1217 | (dev->descriptor.idProduct) == 0x0103) { | |
affae2bf WD |
1218 | USB_STOR_PRINTF("patched for E-USB\n"); |
1219 | protocol = US_PR_CB; | |
1220 | subclass = US_SC_UFI; /* an assumption */ | |
1221 | } | |
1222 | #endif | |
1223 | ||
1224 | if (dev->descriptor.bDeviceClass != 0 || | |
8f8bd565 TR |
1225 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1226 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1227 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
affae2bf WD |
1228 | /* if it's not a mass storage, we go no further */ |
1229 | return 0; | |
1230 | } | |
1231 | ||
9c998aa8 WD |
1232 | memset(ss, 0, sizeof(struct us_data)); |
1233 | ||
affae2bf WD |
1234 | /* At this point, we know we've got a live one */ |
1235 | USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n"); | |
1236 | ||
1237 | /* Initialize the us_data structure with some useful info */ | |
1238 | ss->flags = flags; | |
1239 | ss->ifnum = ifnum; | |
1240 | ss->pusb_dev = dev; | |
1241 | ss->attention_done = 0; | |
1242 | ||
1243 | /* If the device has subclass and protocol, then use that. Otherwise, | |
1244 | * take data from the specific interface. | |
1245 | */ | |
1246 | if (subclass) { | |
1247 | ss->subclass = subclass; | |
1248 | ss->protocol = protocol; | |
1249 | } else { | |
8f8bd565 TR |
1250 | ss->subclass = iface->desc.bInterfaceSubClass; |
1251 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1252 | } |
1253 | ||
1254 | /* set the handler pointers based on the protocol */ | |
1255 | USB_STOR_PRINTF("Transport: "); | |
1256 | switch (ss->protocol) { | |
1257 | case US_PR_CB: | |
1258 | USB_STOR_PRINTF("Control/Bulk\n"); | |
1259 | ss->transport = usb_stor_CB_transport; | |
1260 | ss->transport_reset = usb_stor_CB_reset; | |
1261 | break; | |
1262 | ||
1263 | case US_PR_CBI: | |
1264 | USB_STOR_PRINTF("Control/Bulk/Interrupt\n"); | |
1265 | ss->transport = usb_stor_CB_transport; | |
1266 | ss->transport_reset = usb_stor_CB_reset; | |
1267 | break; | |
149dded2 WD |
1268 | case US_PR_BULK: |
1269 | USB_STOR_PRINTF("Bulk/Bulk/Bulk\n"); | |
1270 | ss->transport = usb_stor_BBB_transport; | |
1271 | ss->transport_reset = usb_stor_BBB_reset; | |
1272 | break; | |
affae2bf | 1273 | default: |
80885a9d | 1274 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1275 | return 0; |
1276 | break; | |
1277 | } | |
1278 | ||
1279 | /* | |
1280 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1281 | * An optional interrupt is OK (necessary for CBI protocol). | |
1282 | * We will ignore any others. | |
1283 | */ | |
8f8bd565 | 1284 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
affae2bf | 1285 | /* is it an BULK endpoint? */ |
a0cb3fc3 MT |
1286 | if ((iface->ep_desc[i].bmAttributes & |
1287 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { | |
affae2bf WD |
1288 | if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) |
1289 | ss->ep_in = iface->ep_desc[i].bEndpointAddress & | |
1290 | USB_ENDPOINT_NUMBER_MASK; | |
1291 | else | |
a0cb3fc3 MT |
1292 | ss->ep_out = |
1293 | iface->ep_desc[i].bEndpointAddress & | |
affae2bf WD |
1294 | USB_ENDPOINT_NUMBER_MASK; |
1295 | } | |
1296 | ||
1297 | /* is it an interrupt endpoint? */ | |
a0cb3fc3 MT |
1298 | if ((iface->ep_desc[i].bmAttributes & |
1299 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
affae2bf WD |
1300 | ss->ep_int = iface->ep_desc[i].bEndpointAddress & |
1301 | USB_ENDPOINT_NUMBER_MASK; | |
1302 | ss->irqinterval = iface->ep_desc[i].bInterval; | |
1303 | } | |
1304 | } | |
1305 | USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n", | |
1306 | ss->ep_in, ss->ep_out, ss->ep_int); | |
1307 | ||
1308 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1309 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1310 | !ss->ep_in || !ss->ep_out || |
1311 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
1312 | USB_STOR_PRINTF("Problems with device\n"); | |
1313 | return 0; | |
1314 | } | |
1315 | /* set class specific stuff */ | |
149dded2 WD |
1316 | /* We only handle certain protocols. Currently, these are |
1317 | * the only ones. | |
80885a9d | 1318 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1319 | */ |
80885a9d WD |
1320 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1321 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1322 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1323 | return 0; |
1324 | } | |
a0cb3fc3 MT |
1325 | if (ss->ep_int) { |
1326 | /* we had found an interrupt endpoint, prepare irq pipe | |
1327 | * set up the IRQ pipe and handler | |
1328 | */ | |
affae2bf WD |
1329 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1330 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1331 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1332 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1333 | } |
a0cb3fc3 | 1334 | dev->privptr = (void *)ss; |
affae2bf WD |
1335 | return 1; |
1336 | } | |
1337 | ||
a0cb3fc3 MT |
1338 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
1339 | block_dev_desc_t *dev_desc) | |
affae2bf | 1340 | { |
a0cb3fc3 | 1341 | unsigned char perq, modi; |
f5766139 PS |
1342 | ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2); |
1343 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36); | |
a0cb3fc3 | 1344 | unsigned long *capacity, *blksz; |
9c998aa8 WD |
1345 | ccb *pccb = &usb_ccb; |
1346 | ||
9c998aa8 WD |
1347 | pccb->pdata = usb_stor_buf; |
1348 | ||
1349 | dev_desc->target = dev->devnum; | |
1350 | pccb->lun = dev_desc->lun; | |
a0cb3fc3 | 1351 | USB_STOR_PRINTF(" address %d\n", dev_desc->target); |
affae2bf | 1352 | |
a0cb3fc3 | 1353 | if (usb_inquiry(pccb, ss)) |
affae2bf | 1354 | return -1; |
095b8a37 | 1355 | |
9c998aa8 WD |
1356 | perq = usb_stor_buf[0]; |
1357 | modi = usb_stor_buf[1]; | |
a0cb3fc3 MT |
1358 | |
1359 | if ((perq & 0x1f) == 0x1f) { | |
1360 | /* skip unknown devices */ | |
1361 | return 0; | |
affae2bf | 1362 | } |
a0cb3fc3 MT |
1363 | if ((modi&0x80) == 0x80) { |
1364 | /* drive is removable */ | |
9c998aa8 | 1365 | dev_desc->removable = 1; |
affae2bf | 1366 | } |
f5766139 PS |
1367 | memcpy(&dev_desc->vendor[0], (const void *) &usb_stor_buf[8], 8); |
1368 | memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16); | |
1369 | memcpy(&dev_desc->revision[0], (const void *) &usb_stor_buf[32], 4); | |
9c998aa8 WD |
1370 | dev_desc->vendor[8] = 0; |
1371 | dev_desc->product[16] = 0; | |
1372 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1373 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1374 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1375 | (uchar *)dev_desc->product); | |
ddde6b7c | 1376 | #endif /* CONFIG_USB_BIN_FIXUP */ |
a0cb3fc3 MT |
1377 | USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1378 | usb_stor_buf[3]); | |
1379 | if (usb_test_unit_ready(pccb, ss)) { | |
1380 | printf("Device NOT ready\n" | |
1381 | " Request Sense returned %02X %02X %02X\n", | |
1382 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1383 | pccb->sense_buf[13]); | |
1384 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1385 | dev_desc->type = perq; |
affae2bf WD |
1386 | return 1; |
1387 | } | |
a0cb3fc3 | 1388 | return 0; |
affae2bf | 1389 | } |
9c998aa8 | 1390 | pccb->pdata = (unsigned char *)&cap[0]; |
a0cb3fc3 MT |
1391 | memset(pccb->pdata, 0, 8); |
1392 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1393 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1394 | cap[0] = 2880; |
1395 | cap[1] = 0x200; | |
affae2bf | 1396 | } |
a0cb3fc3 MT |
1397 | USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], |
1398 | cap[1]); | |
affae2bf | 1399 | #if 0 |
a0cb3fc3 MT |
1400 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1401 | cap[0] >>= 16; | |
affae2bf | 1402 | #endif |
c918261c CE |
1403 | cap[0] = cpu_to_be32(cap[0]); |
1404 | cap[1] = cpu_to_be32(cap[1]); | |
1405 | ||
149dded2 | 1406 | /* this assumes bigendian! */ |
9c998aa8 WD |
1407 | cap[0] += 1; |
1408 | capacity = &cap[0]; | |
1409 | blksz = &cap[1]; | |
a0cb3fc3 MT |
1410 | USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n", |
1411 | *capacity, *blksz); | |
9c998aa8 WD |
1412 | dev_desc->lba = *capacity; |
1413 | dev_desc->blksz = *blksz; | |
1414 | dev_desc->type = perq; | |
a0cb3fc3 MT |
1415 | USB_STOR_PRINTF(" address %d\n", dev_desc->target); |
1416 | USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); | |
affae2bf | 1417 | |
5dd95cf9 KM |
1418 | /* |
1419 | * The U-Boot EHCI driver cannot handle more than 4096 * 5 bytes in a | |
1420 | * transfer without running itself out of qt_buffers. | |
1421 | */ | |
1422 | ss->max_xfer_blk = (4096 * 5) / dev_desc->blksz; | |
1423 | ||
affae2bf WD |
1424 | init_part(dev_desc); |
1425 | ||
a0cb3fc3 | 1426 | USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); |
affae2bf WD |
1427 | return 1; |
1428 | } |