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Commit | Line | Data |
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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 | |
acf277af SG |
12 | * Driver model conversion: |
13 | * (C) Copyright 2015 Google, Inc | |
affae2bf | 14 | * |
149dded2 | 15 | * For BBB support (C) Copyright 2003 |
792a09eb | 16 | * Gary Jennejohn, DENX Software Engineering <garyj@denx.de> |
149dded2 | 17 | * |
460c322f | 18 | * BBB support based on /sys/dev/usb/umass.c from |
149dded2 | 19 | * FreeBSD. |
affae2bf | 20 | * |
1a459660 | 21 | * SPDX-License-Identifier: GPL-2.0+ |
affae2bf WD |
22 | */ |
23 | ||
24 | /* Note: | |
25 | * Currently only the CBI transport protocoll has been implemented, and it | |
26 | * is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB | |
27 | * transport protocoll may work as well. | |
28 | */ | |
149dded2 WD |
29 | /* |
30 | * New Note: | |
31 | * Support for USB Mass Storage Devices (BBB) has been added. It has | |
32 | * only been tested with USB memory sticks. | |
149dded2 | 33 | */ |
affae2bf WD |
34 | |
35 | ||
affae2bf WD |
36 | #include <common.h> |
37 | #include <command.h> | |
acf277af | 38 | #include <dm.h> |
91557579 | 39 | #include <errno.h> |
4fd074de | 40 | #include <inttypes.h> |
05108132 | 41 | #include <mapmem.h> |
c918261c | 42 | #include <asm/byteorder.h> |
affae2bf | 43 | #include <asm/processor.h> |
acf277af | 44 | #include <dm/device-internal.h> |
affae2bf | 45 | |
735dd97b | 46 | #include <part.h> |
affae2bf WD |
47 | #include <usb.h> |
48 | ||
80885a9d WD |
49 | #undef BBB_COMDAT_TRACE |
50 | #undef BBB_XPORT_TRACE | |
affae2bf | 51 | |
affae2bf WD |
52 | #include <scsi.h> |
53 | /* direction table -- this indicates the direction of the data | |
54 | * transfer for each command code -- a 1 indicates input | |
55 | */ | |
2ff12285 | 56 | static const unsigned char us_direction[256/8] = { |
affae2bf WD |
57 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, |
58 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
59 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
60 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
61 | }; | |
62 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
63 | ||
f5766139 | 64 | static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); |
a0cb3fc3 | 65 | static __u32 CBWTag; |
149dded2 | 66 | |
affae2bf | 67 | #define USB_MAX_STOR_DEV 5 |
a0cb3fc3 | 68 | static int usb_max_devs; /* number of highest available usb device */ |
affae2bf WD |
69 | |
70 | static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV]; | |
71 | ||
72 | struct us_data; | |
a0cb3fc3 MT |
73 | typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); |
74 | typedef int (*trans_reset)(struct us_data *data); | |
affae2bf WD |
75 | |
76 | struct us_data { | |
a0cb3fc3 MT |
77 | struct usb_device *pusb_dev; /* this usb_device */ |
78 | ||
79 | unsigned int flags; /* from filter initially */ | |
3e8581bb | 80 | # define USB_READY (1 << 0) |
a0cb3fc3 MT |
81 | unsigned char ifnum; /* interface number */ |
82 | unsigned char ep_in; /* in endpoint */ | |
83 | unsigned char ep_out; /* out ....... */ | |
84 | unsigned char ep_int; /* interrupt . */ | |
85 | unsigned char subclass; /* as in overview */ | |
86 | unsigned char protocol; /* .............. */ | |
87 | unsigned char attention_done; /* force attn on first cmd */ | |
88 | unsigned short ip_data; /* interrupt data */ | |
89 | int action; /* what to do */ | |
90 | int ip_wanted; /* needed */ | |
91 | int *irq_handle; /* for USB int requests */ | |
92 | unsigned int irqpipe; /* pipe for release_irq */ | |
93 | unsigned char irqmaxp; /* max packed for irq Pipe */ | |
94 | unsigned char irqinterval; /* Intervall for IRQ Pipe */ | |
95 | ccb *srb; /* current srb */ | |
96 | trans_reset transport_reset; /* reset routine */ | |
97 | trans_cmnd transport; /* transport routine */ | |
affae2bf WD |
98 | }; |
99 | ||
cffcc503 | 100 | #ifdef CONFIG_USB_EHCI |
1b4bd0e6 | 101 | /* |
4bee5c83 BT |
102 | * The U-Boot EHCI driver can handle any transfer length as long as there is |
103 | * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are | |
104 | * limited to 65535 blocks. | |
1b4bd0e6 | 105 | */ |
4bee5c83 | 106 | #define USB_MAX_XFER_BLK 65535 |
cffcc503 | 107 | #else |
4bee5c83 | 108 | #define USB_MAX_XFER_BLK 20 |
cffcc503 | 109 | #endif |
1b4bd0e6 | 110 | |
affae2bf WD |
111 | static struct us_data usb_stor[USB_MAX_STOR_DEV]; |
112 | ||
80885a9d | 113 | #define USB_STOR_TRANSPORT_GOOD 0 |
affae2bf WD |
114 | #define USB_STOR_TRANSPORT_FAILED -1 |
115 | #define USB_STOR_TRANSPORT_ERROR -2 | |
116 | ||
a0cb3fc3 MT |
117 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
118 | block_dev_desc_t *dev_desc); | |
119 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, | |
120 | struct us_data *ss); | |
ff8fef56 | 121 | unsigned long usb_stor_read(int device, lbaint_t blknr, |
e81e79ed | 122 | lbaint_t blkcnt, void *buffer); |
ff8fef56 | 123 | unsigned long usb_stor_write(int device, lbaint_t blknr, |
e81e79ed | 124 | lbaint_t blkcnt, const void *buffer); |
affae2bf WD |
125 | void uhci_show_temp_int_td(void); |
126 | ||
df3fc526 | 127 | #ifdef CONFIG_PARTITIONS |
affae2bf WD |
128 | block_dev_desc_t *usb_stor_get_dev(int index) |
129 | { | |
aaad108b | 130 | return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; |
affae2bf | 131 | } |
df3fc526 | 132 | #endif |
affae2bf | 133 | |
199adb60 | 134 | static void usb_show_progress(void) |
affae2bf | 135 | { |
226fa9bb | 136 | debug("."); |
affae2bf WD |
137 | } |
138 | ||
a0cb3fc3 | 139 | /******************************************************************************* |
9c998aa8 WD |
140 | * show info on storage devices; 'usb start/init' must be invoked earlier |
141 | * as we only retrieve structures populated during devices initialization | |
142 | */ | |
f6b44e0e | 143 | int usb_stor_info(void) |
9c998aa8 WD |
144 | { |
145 | int i; | |
146 | ||
f6b44e0e | 147 | if (usb_max_devs > 0) { |
9c998aa8 | 148 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 149 | printf(" Device %d: ", i); |
9c998aa8 WD |
150 | dev_print(&usb_dev_desc[i]); |
151 | } | |
b9e749e9 | 152 | return 0; |
f6b44e0e | 153 | } |
1aeed8d7 | 154 | |
b9e749e9 MK |
155 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); |
156 | return 1; | |
9c998aa8 WD |
157 | } |
158 | ||
99e9ed1f LC |
159 | static unsigned int usb_get_max_lun(struct us_data *us) |
160 | { | |
161 | int len; | |
f5766139 | 162 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
163 | len = usb_control_msg(us->pusb_dev, |
164 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
165 | US_BBB_GET_MAX_LUN, | |
166 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
167 | 0, us->ifnum, | |
f5766139 | 168 | result, sizeof(char), |
99e9ed1f | 169 | USB_CNTL_TIMEOUT * 5); |
ceb4972a | 170 | debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); |
f5766139 | 171 | return (len > 0) ? *result : 0; |
99e9ed1f LC |
172 | } |
173 | ||
91557579 SG |
174 | static int usb_stor_probe_device(struct usb_device *dev) |
175 | { | |
176 | if (dev == NULL) | |
177 | return -ENOENT; /* no more devices available */ | |
178 | ||
179 | debug("\n\nProbing for storage\n"); | |
180 | if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) { | |
181 | /* OK, it's a storage device. Iterate over its LUNs | |
182 | * and populate `usb_dev_desc'. | |
183 | */ | |
184 | int lun, max_lun, start = usb_max_devs; | |
185 | ||
186 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
187 | for (lun = 0; | |
188 | lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
189 | lun++) { | |
190 | struct block_dev_desc *blkdev; | |
191 | ||
192 | blkdev = &usb_dev_desc[usb_max_devs]; | |
193 | memset(blkdev, '\0', sizeof(block_dev_desc_t)); | |
194 | blkdev->if_type = IF_TYPE_USB; | |
195 | blkdev->dev = usb_max_devs; | |
196 | blkdev->part_type = PART_TYPE_UNKNOWN; | |
197 | blkdev->target = 0xff; | |
198 | blkdev->type = DEV_TYPE_UNKNOWN; | |
199 | blkdev->block_read = usb_stor_read; | |
200 | blkdev->block_write = usb_stor_write; | |
201 | blkdev->lun = lun; | |
202 | blkdev->priv = dev; | |
203 | ||
204 | if (usb_stor_get_info(dev, &usb_stor[start], | |
205 | &usb_dev_desc[usb_max_devs]) == | |
206 | 1) { | |
207 | usb_max_devs++; | |
208 | debug("%s: Found device %p\n", __func__, dev); | |
209 | } | |
210 | } | |
211 | } | |
212 | ||
213 | /* if storage device */ | |
214 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
215 | printf("max USB Storage Device reached: %d stopping\n", | |
216 | usb_max_devs); | |
217 | return -ENOSPC; | |
218 | } | |
219 | ||
220 | return 0; | |
221 | } | |
222 | ||
223 | void usb_stor_reset(void) | |
224 | { | |
225 | usb_max_devs = 0; | |
226 | } | |
227 | ||
acf277af | 228 | #ifndef CONFIG_DM_USB |
a0cb3fc3 | 229 | /******************************************************************************* |
9c998aa8 | 230 | * scan the usb and reports device info |
affae2bf WD |
231 | * to the user if mode = 1 |
232 | * returns current device or -1 if no | |
233 | */ | |
234 | int usb_stor_scan(int mode) | |
235 | { | |
7fc2c1ea | 236 | unsigned char i; |
affae2bf | 237 | |
a0cb3fc3 | 238 | if (mode == 1) |
93c2582f | 239 | printf(" scanning usb for storage devices... "); |
a0cb3fc3 | 240 | |
affae2bf WD |
241 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
242 | ||
91557579 | 243 | usb_stor_reset(); |
a0cb3fc3 | 244 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
91557579 SG |
245 | struct usb_device *dev; |
246 | ||
a0cb3fc3 | 247 | dev = usb_get_dev_index(i); /* get device */ |
ceb4972a | 248 | debug("i=%d\n", i); |
91557579 | 249 | if (usb_stor_probe_device(dev)) |
affae2bf | 250 | break; |
affae2bf | 251 | } /* for */ |
095b8a37 | 252 | |
affae2bf | 253 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 254 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 255 | if (usb_max_devs > 0) |
affae2bf | 256 | return 0; |
a0cb3fc3 | 257 | return -1; |
affae2bf | 258 | } |
acf277af | 259 | #endif |
affae2bf WD |
260 | |
261 | static int usb_stor_irq(struct usb_device *dev) | |
262 | { | |
263 | struct us_data *us; | |
a0cb3fc3 | 264 | us = (struct us_data *)dev->privptr; |
affae2bf | 265 | |
a0cb3fc3 MT |
266 | if (us->ip_wanted) |
267 | us->ip_wanted = 0; | |
affae2bf WD |
268 | return 0; |
269 | } | |
270 | ||
271 | ||
ceb4972a | 272 | #ifdef DEBUG |
affae2bf | 273 | |
a0cb3fc3 | 274 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
275 | { |
276 | int i; | |
a0cb3fc3 MT |
277 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
278 | for (i = 0; i < 12; i++) | |
279 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
280 | printf("\n"); |
281 | } | |
282 | ||
283 | static void display_int_status(unsigned long tmp) | |
284 | { | |
285 | printf("Status: %s %s %s %s %s %s %s\n", | |
286 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
287 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
288 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
289 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
290 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
291 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
292 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
293 | } | |
294 | #endif | |
295 | /*********************************************************************** | |
296 | * Data transfer routines | |
297 | ***********************************************************************/ | |
298 | ||
299 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
300 | { | |
301 | int max_size; | |
302 | int this_xfer; | |
303 | int result; | |
304 | int partial; | |
305 | int maxtry; | |
306 | int stat; | |
307 | ||
308 | /* determine the maximum packet size for these transfers */ | |
309 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
310 | ||
311 | /* while we have data left to transfer */ | |
312 | while (length) { | |
313 | ||
314 | /* calculate how long this will be -- maximum or a remainder */ | |
315 | this_xfer = length > max_size ? max_size : length; | |
316 | length -= this_xfer; | |
317 | ||
318 | /* setup the retry counter */ | |
319 | maxtry = 10; | |
320 | ||
321 | /* set up the transfer loop */ | |
322 | do { | |
323 | /* transfer the data */ | |
05108132 SG |
324 | debug("Bulk xfer 0x%lx(%d) try #%d\n", |
325 | (ulong)map_to_sysmem(buf), this_xfer, | |
326 | 11 - maxtry); | |
affae2bf | 327 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
a0cb3fc3 MT |
328 | this_xfer, &partial, |
329 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
330 | debug("bulk_msg returned %d xferred %d/%d\n", |
331 | result, partial, this_xfer); | |
a0cb3fc3 MT |
332 | if (us->pusb_dev->status != 0) { |
333 | /* if we stall, we need to clear it before | |
334 | * we go on | |
335 | */ | |
ceb4972a | 336 | #ifdef DEBUG |
affae2bf WD |
337 | display_int_status(us->pusb_dev->status); |
338 | #endif | |
339 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
ceb4972a VG |
340 | debug("stalled ->clearing endpoint" \ |
341 | "halt for pipe 0x%x\n", pipe); | |
affae2bf WD |
342 | stat = us->pusb_dev->status; |
343 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
344 | us->pusb_dev->status = stat; |
345 | if (this_xfer == partial) { | |
ceb4972a VG |
346 | debug("bulk transferred" \ |
347 | "with error %lX," \ | |
348 | " but data ok\n", | |
349 | us->pusb_dev->status); | |
affae2bf WD |
350 | return 0; |
351 | } | |
352 | else | |
353 | return result; | |
354 | } | |
355 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
ceb4972a | 356 | debug("Device NAKed bulk_msg\n"); |
affae2bf WD |
357 | return result; |
358 | } | |
ceb4972a | 359 | debug("bulk transferred with error"); |
a0cb3fc3 | 360 | if (this_xfer == partial) { |
ceb4972a VG |
361 | debug(" %ld, but data ok\n", |
362 | us->pusb_dev->status); | |
affae2bf WD |
363 | return 0; |
364 | } | |
365 | /* if our try counter reaches 0, bail out */ | |
ceb4972a VG |
366 | debug(" %ld, data %d\n", |
367 | us->pusb_dev->status, partial); | |
affae2bf WD |
368 | if (!maxtry--) |
369 | return result; | |
370 | } | |
371 | /* update to show what data was transferred */ | |
372 | this_xfer -= partial; | |
373 | buf += partial; | |
374 | /* continue until this transfer is done */ | |
a0cb3fc3 | 375 | } while (this_xfer); |
affae2bf WD |
376 | } |
377 | ||
378 | /* if we get here, we're done and successful */ | |
379 | return 0; | |
380 | } | |
381 | ||
149dded2 WD |
382 | static int usb_stor_BBB_reset(struct us_data *us) |
383 | { | |
384 | int result; | |
385 | unsigned int pipe; | |
386 | ||
387 | /* | |
388 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
389 | * | |
390 | * For Reset Recovery the host shall issue in the following order: | |
391 | * a) a Bulk-Only Mass Storage Reset | |
392 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
393 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
394 | * | |
395 | * This is done in 3 steps. | |
396 | * | |
397 | * If the reset doesn't succeed, the device should be port reset. | |
398 | * | |
399 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
400 | */ | |
ceb4972a | 401 | debug("BBB_reset\n"); |
a0cb3fc3 MT |
402 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
403 | US_BBB_RESET, | |
404 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
199adb60 | 405 | 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
9c998aa8 | 406 | |
a0cb3fc3 | 407 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 408 | debug("RESET:stall\n"); |
149dded2 WD |
409 | return -1; |
410 | } | |
9c998aa8 | 411 | |
149dded2 | 412 | /* long wait for reset */ |
5b84dd67 | 413 | mdelay(150); |
ceb4972a VG |
414 | debug("BBB_reset result %d: status %lX reset\n", |
415 | result, us->pusb_dev->status); | |
149dded2 WD |
416 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
417 | result = usb_clear_halt(us->pusb_dev, pipe); | |
418 | /* long wait for reset */ | |
5b84dd67 | 419 | mdelay(150); |
ceb4972a VG |
420 | debug("BBB_reset result %d: status %lX clearing IN endpoint\n", |
421 | result, us->pusb_dev->status); | |
149dded2 WD |
422 | /* long wait for reset */ |
423 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
424 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 425 | mdelay(150); |
ceb4972a VG |
426 | debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", |
427 | result, us->pusb_dev->status); | |
428 | debug("BBB_reset done\n"); | |
149dded2 WD |
429 | return 0; |
430 | } | |
431 | ||
affae2bf WD |
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 | |
435 | */ | |
436 | static int usb_stor_CB_reset(struct us_data *us) | |
437 | { | |
438 | unsigned char cmd[12]; | |
439 | int result; | |
440 | ||
ceb4972a | 441 | debug("CB_reset\n"); |
a0cb3fc3 | 442 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
443 | cmd[0] = SCSI_SEND_DIAG; |
444 | cmd[1] = 4; | |
a0cb3fc3 MT |
445 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
446 | US_CBI_ADSC, | |
447 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
448 | 0, us->ifnum, cmd, sizeof(cmd), | |
449 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
450 | |
451 | /* long wait for reset */ | |
5b84dd67 | 452 | mdelay(1500); |
ceb4972a VG |
453 | debug("CB_reset result %d: status %lX clearing endpoint halt\n", |
454 | result, us->pusb_dev->status); | |
affae2bf WD |
455 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
456 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
457 | ||
ceb4972a | 458 | debug("CB_reset done\n"); |
affae2bf WD |
459 | return 0; |
460 | } | |
461 | ||
149dded2 WD |
462 | /* |
463 | * Set up the command for a BBB device. Note that the actual SCSI | |
464 | * command is copied into cbw.CBWCDB. | |
465 | */ | |
199adb60 | 466 | static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) |
149dded2 WD |
467 | { |
468 | int result; | |
469 | int actlen; | |
470 | int dir_in; | |
471 | unsigned int pipe; | |
2e17c87e | 472 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); |
149dded2 WD |
473 | |
474 | dir_in = US_DIRECTION(srb->cmd[0]); | |
475 | ||
476 | #ifdef BBB_COMDAT_TRACE | |
605bd75a | 477 | printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", |
a0cb3fc3 MT |
478 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, |
479 | srb->pdata); | |
149dded2 | 480 | if (srb->cmdlen) { |
a0cb3fc3 | 481 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
482 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
483 | printf("\n"); | |
484 | } | |
485 | #endif | |
486 | /* sanity checks */ | |
487 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
ceb4972a | 488 | debug("usb_stor_BBB_comdat:cmdlen too large\n"); |
149dded2 WD |
489 | return -1; |
490 | } | |
491 | ||
492 | /* always OUT to the ep */ | |
493 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
494 | ||
f5766139 PS |
495 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
496 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
497 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
498 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
499 | cbw->bCBWLUN = srb->lun; | |
500 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
501 | /* copy the command data into the CBW command data buffer */ |
502 | /* DST SRC LEN!!! */ | |
f6570871 | 503 | |
f5766139 PS |
504 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
505 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 506 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 | 507 | if (result < 0) |
ceb4972a | 508 | debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); |
149dded2 WD |
509 | return result; |
510 | } | |
511 | ||
affae2bf WD |
512 | /* FIXME: we also need a CBI_command which sets up the completion |
513 | * interrupt, and waits for it | |
514 | */ | |
199adb60 | 515 | static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) |
affae2bf | 516 | { |
77ddac94 | 517 | int result = 0; |
a0cb3fc3 | 518 | int dir_in, retry; |
affae2bf WD |
519 | unsigned int pipe; |
520 | unsigned long status; | |
521 | ||
a0cb3fc3 MT |
522 | retry = 5; |
523 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 524 | |
a0cb3fc3 MT |
525 | if (dir_in) |
526 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
527 | else | |
528 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
529 | ||
530 | while (retry--) { | |
ceb4972a VG |
531 | debug("CBI gets a command: Try %d\n", 5 - retry); |
532 | #ifdef DEBUG | |
affae2bf WD |
533 | usb_show_srb(srb); |
534 | #endif | |
535 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
536 | result = usb_control_msg(us->pusb_dev, |
537 | usb_sndctrlpipe(us->pusb_dev , 0), | |
538 | US_CBI_ADSC, | |
539 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 540 | 0, us->ifnum, |
a0cb3fc3 MT |
541 | srb->cmd, srb->cmdlen, |
542 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
543 | debug("CB_transport: control msg returned %d, status %lX\n", |
544 | result, us->pusb_dev->status); | |
affae2bf WD |
545 | /* check the return code for the command */ |
546 | if (result < 0) { | |
a0cb3fc3 MT |
547 | if (us->pusb_dev->status & USB_ST_STALLED) { |
548 | status = us->pusb_dev->status; | |
ceb4972a VG |
549 | debug(" stall during command found," \ |
550 | " clear pipe\n"); | |
a0cb3fc3 MT |
551 | usb_clear_halt(us->pusb_dev, |
552 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
553 | us->pusb_dev->status = status; | |
affae2bf | 554 | } |
ceb4972a VG |
555 | debug(" error during command %02X" \ |
556 | " Stat = %lX\n", srb->cmd[0], | |
557 | us->pusb_dev->status); | |
affae2bf WD |
558 | return result; |
559 | } | |
560 | /* transfer the data payload for this command, if one exists*/ | |
561 | ||
ceb4972a VG |
562 | debug("CB_transport: control msg returned %d," \ |
563 | " direction is %s to go 0x%lx\n", result, | |
564 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 565 | if (srb->datalen) { |
a0cb3fc3 MT |
566 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
567 | srb->datalen); | |
ceb4972a VG |
568 | debug("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); | |
a0cb3fc3 | 572 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bf WD |
573 | break; |
574 | } /* if (srb->datalen) */ | |
575 | else | |
576 | break; | |
577 | } | |
578 | /* return result */ | |
579 | ||
580 | return result; | |
581 | } | |
582 | ||
583 | ||
199adb60 | 584 | static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
585 | { |
586 | int timeout; | |
587 | ||
80885a9d | 588 | us->ip_wanted = 1; |
a0cb3fc3 | 589 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
590 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
591 | timeout = 1000; | |
592 | while (timeout--) { | |
f6570871 | 593 | if (us->ip_wanted == 0) |
affae2bf | 594 | break; |
5b84dd67 | 595 | mdelay(10); |
affae2bf WD |
596 | } |
597 | if (us->ip_wanted) { | |
a0cb3fc3 | 598 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
599 | us->ip_wanted = 0; |
600 | return USB_STOR_TRANSPORT_ERROR; | |
601 | } | |
ceb4972a VG |
602 | debug("Got interrupt data 0x%x, transfered %d status 0x%lX\n", |
603 | us->ip_data, us->pusb_dev->irq_act_len, | |
604 | us->pusb_dev->irq_status); | |
affae2bf WD |
605 | /* UFI gives us ASC and ASCQ, like a request sense */ |
606 | if (us->subclass == US_SC_UFI) { | |
607 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
608 | srb->cmd[0] == SCSI_INQUIRY) | |
609 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
610 | else if (us->ip_data) |
611 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 612 | else |
80885a9d | 613 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
614 | } |
615 | /* otherwise, we interpret the data normally */ | |
616 | switch (us->ip_data) { | |
80885a9d WD |
617 | case 0x0001: |
618 | return USB_STOR_TRANSPORT_GOOD; | |
619 | case 0x0002: | |
620 | return USB_STOR_TRANSPORT_FAILED; | |
621 | default: | |
622 | return USB_STOR_TRANSPORT_ERROR; | |
623 | } /* switch */ | |
affae2bf WD |
624 | return USB_STOR_TRANSPORT_ERROR; |
625 | } | |
626 | ||
627 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
628 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
629 | ||
149dded2 | 630 | /* clear a stall on an endpoint - special for BBB devices */ |
199adb60 | 631 | static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2 WD |
632 | { |
633 | int result; | |
634 | ||
635 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 636 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 637 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
199adb60 | 638 | 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
639 | return result; |
640 | } | |
641 | ||
199adb60 | 642 | static int usb_stor_BBB_transport(ccb *srb, struct us_data *us) |
149dded2 WD |
643 | { |
644 | int result, retry; | |
645 | int dir_in; | |
646 | int actlen, data_actlen; | |
647 | unsigned int pipe, pipein, pipeout; | |
2e17c87e | 648 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); |
149dded2 WD |
649 | #ifdef BBB_XPORT_TRACE |
650 | unsigned char *ptr; | |
651 | int index; | |
652 | #endif | |
653 | ||
654 | dir_in = US_DIRECTION(srb->cmd[0]); | |
655 | ||
656 | /* COMMAND phase */ | |
ceb4972a | 657 | debug("COMMAND phase\n"); |
149dded2 WD |
658 | result = usb_stor_BBB_comdat(srb, us); |
659 | if (result < 0) { | |
ceb4972a VG |
660 | debug("failed to send CBW status %ld\n", |
661 | us->pusb_dev->status); | |
149dded2 WD |
662 | usb_stor_BBB_reset(us); |
663 | return USB_STOR_TRANSPORT_FAILED; | |
664 | } | |
3e8581bb BT |
665 | if (!(us->flags & USB_READY)) |
666 | mdelay(5); | |
149dded2 WD |
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 */ | |
149dded2 WD |
670 | data_actlen = 0; |
671 | /* no data, go immediately to the STATUS phase */ | |
672 | if (srb->datalen == 0) | |
673 | goto st; | |
ceb4972a | 674 | debug("DATA phase\n"); |
149dded2 WD |
675 | if (dir_in) |
676 | pipe = pipein; | |
677 | else | |
678 | pipe = pipeout; | |
f6570871 | 679 | |
a0cb3fc3 MT |
680 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
681 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 682 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 683 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 684 | debug("DATA:stall\n"); |
149dded2 | 685 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
686 | result = usb_stor_BBB_clear_endpt_stall(us, |
687 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
688 | if (result >= 0) |
689 | /* continue on to STATUS phase */ | |
690 | goto st; | |
691 | } | |
692 | if (result < 0) { | |
ceb4972a VG |
693 | debug("usb_bulk_msg error status %ld\n", |
694 | us->pusb_dev->status); | |
149dded2 WD |
695 | usb_stor_BBB_reset(us); |
696 | return USB_STOR_TRANSPORT_FAILED; | |
697 | } | |
698 | #ifdef BBB_XPORT_TRACE | |
699 | for (index = 0; index < data_actlen; index++) | |
700 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
701 | printf("\n"); | |
702 | #endif | |
703 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 704 | st: |
149dded2 | 705 | retry = 0; |
a0cb3fc3 | 706 | again: |
ceb4972a | 707 | debug("STATUS phase\n"); |
f5766139 | 708 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
709 | &actlen, USB_CNTL_TIMEOUT*5); |
710 | ||
149dded2 | 711 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
712 | if ((result < 0) && (retry < 1) && |
713 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a | 714 | debug("STATUS:stall\n"); |
149dded2 WD |
715 | /* clear the STALL on the endpoint */ |
716 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
717 | if (result >= 0 && (retry++ < 1)) | |
718 | /* do a retry */ | |
719 | goto again; | |
720 | } | |
721 | if (result < 0) { | |
ceb4972a VG |
722 | debug("usb_bulk_msg error status %ld\n", |
723 | us->pusb_dev->status); | |
149dded2 WD |
724 | usb_stor_BBB_reset(us); |
725 | return USB_STOR_TRANSPORT_FAILED; | |
726 | } | |
727 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 728 | ptr = (unsigned char *)csw; |
149dded2 WD |
729 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
730 | printf("ptr[%d] %#x ", index, ptr[index]); | |
731 | printf("\n"); | |
732 | #endif | |
733 | /* misuse pipe to get the residue */ | |
f5766139 | 734 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
735 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
736 | pipe = srb->datalen - data_actlen; | |
f5766139 | 737 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a | 738 | debug("!CSWSIGNATURE\n"); |
149dded2 WD |
739 | usb_stor_BBB_reset(us); |
740 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 741 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a | 742 | debug("!Tag\n"); |
149dded2 WD |
743 | usb_stor_BBB_reset(us); |
744 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 745 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a | 746 | debug(">PHASE\n"); |
149dded2 WD |
747 | usb_stor_BBB_reset(us); |
748 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 749 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a | 750 | debug("=PHASE\n"); |
149dded2 WD |
751 | usb_stor_BBB_reset(us); |
752 | return USB_STOR_TRANSPORT_FAILED; | |
753 | } else if (data_actlen > srb->datalen) { | |
ceb4972a VG |
754 | debug("transferred %dB instead of %ldB\n", |
755 | data_actlen, srb->datalen); | |
149dded2 | 756 | return USB_STOR_TRANSPORT_FAILED; |
f5766139 | 757 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a | 758 | debug("FAILED\n"); |
149dded2 WD |
759 | return USB_STOR_TRANSPORT_FAILED; |
760 | } | |
761 | ||
762 | return result; | |
763 | } | |
764 | ||
199adb60 | 765 | static int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
affae2bf | 766 | { |
a0cb3fc3 | 767 | int result, status; |
affae2bf WD |
768 | ccb *psrb; |
769 | ccb reqsrb; | |
a0cb3fc3 | 770 | int retry, notready; |
affae2bf | 771 | |
d0ff51ba | 772 | psrb = &reqsrb; |
a0cb3fc3 MT |
773 | status = USB_STOR_TRANSPORT_GOOD; |
774 | retry = 0; | |
775 | notready = 0; | |
affae2bf WD |
776 | /* issue the command */ |
777 | do_retry: | |
a0cb3fc3 | 778 | result = usb_stor_CB_comdat(srb, us); |
ceb4972a VG |
779 | debug("command / Data returned %d, status %lX\n", |
780 | result, us->pusb_dev->status); | |
affae2bf | 781 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
782 | if (us->protocol == US_PR_CBI) { |
783 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 784 | /* if the status is error, report it */ |
a0cb3fc3 | 785 | if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a | 786 | debug(" USB CBI Command Error\n"); |
affae2bf WD |
787 | return status; |
788 | } | |
a0cb3fc3 MT |
789 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
790 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
791 | if (!us->ip_data) { | |
792 | /* if the status is good, report it */ | |
793 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
ceb4972a | 794 | debug(" USB CBI Command Good\n"); |
affae2bf WD |
795 | return status; |
796 | } | |
797 | } | |
798 | } | |
799 | /* do we have to issue an auto request? */ | |
800 | /* HERE we have to check the result */ | |
a0cb3fc3 | 801 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 802 | debug("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
803 | us->transport_reset(us); |
804 | return USB_STOR_TRANSPORT_ERROR; | |
805 | } | |
a0cb3fc3 MT |
806 | if ((us->protocol == US_PR_CBI) && |
807 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
808 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
809 | /* do not issue an autorequest after request sense */ | |
ceb4972a | 810 | debug("No auto request and good\n"); |
affae2bf WD |
811 | return USB_STOR_TRANSPORT_GOOD; |
812 | } | |
813 | /* issue an request_sense */ | |
a0cb3fc3 MT |
814 | memset(&psrb->cmd[0], 0, 12); |
815 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
816 | psrb->cmd[1] = srb->lun << 5; | |
817 | psrb->cmd[4] = 18; | |
818 | psrb->datalen = 18; | |
d0ff51ba | 819 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 820 | psrb->cmdlen = 12; |
affae2bf | 821 | /* issue the command */ |
a0cb3fc3 | 822 | result = usb_stor_CB_comdat(psrb, us); |
ceb4972a | 823 | debug("auto request returned %d\n", result); |
affae2bf | 824 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
825 | if (us->protocol == US_PR_CBI) |
826 | status = usb_stor_CBI_get_status(psrb, us); | |
827 | ||
828 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a VG |
829 | debug(" AUTO REQUEST ERROR %ld\n", |
830 | us->pusb_dev->status); | |
affae2bf WD |
831 | return USB_STOR_TRANSPORT_ERROR; |
832 | } | |
ceb4972a VG |
833 | debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
834 | srb->sense_buf[0], srb->sense_buf[2], | |
835 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 836 | /* Check the auto request result */ |
a0cb3fc3 MT |
837 | if ((srb->sense_buf[2] == 0) && |
838 | (srb->sense_buf[12] == 0) && | |
839 | (srb->sense_buf[13] == 0)) { | |
840 | /* ok, no sense */ | |
affae2bf | 841 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
842 | } |
843 | ||
affae2bf | 844 | /* Check the auto request result */ |
a0cb3fc3 MT |
845 | switch (srb->sense_buf[2]) { |
846 | case 0x01: | |
847 | /* Recovered Error */ | |
149dded2 | 848 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 849 | break; |
a0cb3fc3 MT |
850 | case 0x02: |
851 | /* Not Ready */ | |
852 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
853 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
854 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
855 | srb->sense_buf[0], srb->sense_buf[2], | |
856 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
857 | return USB_STOR_TRANSPORT_FAILED; |
858 | } else { | |
5b84dd67 | 859 | mdelay(100); |
149dded2 WD |
860 | goto do_retry; |
861 | } | |
862 | break; | |
863 | default: | |
a0cb3fc3 MT |
864 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
865 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
866 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
867 | srb->sense_buf[2], srb->sense_buf[12], | |
868 | srb->sense_buf[13]); | |
149dded2 | 869 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 870 | } else |
149dded2 | 871 | goto do_retry; |
149dded2 | 872 | break; |
affae2bf WD |
873 | } |
874 | return USB_STOR_TRANSPORT_FAILED; | |
875 | } | |
876 | ||
877 | ||
a0cb3fc3 | 878 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 879 | { |
a0cb3fc3 MT |
880 | int retry, i; |
881 | retry = 5; | |
affae2bf | 882 | do { |
a0cb3fc3 MT |
883 | memset(&srb->cmd[0], 0, 12); |
884 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 885 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
886 | srb->cmd[4] = 36; |
887 | srb->datalen = 36; | |
888 | srb->cmdlen = 12; | |
889 | i = ss->transport(srb, ss); | |
ceb4972a | 890 | debug("inquiry returns %d\n", i); |
a0cb3fc3 | 891 | if (i == 0) |
affae2bf | 892 | break; |
fac71cc4 | 893 | } while (--retry); |
149dded2 | 894 | |
a0cb3fc3 | 895 | if (!retry) { |
affae2bf WD |
896 | printf("error in inquiry\n"); |
897 | return -1; | |
898 | } | |
899 | return 0; | |
900 | } | |
901 | ||
a0cb3fc3 | 902 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
903 | { |
904 | char *ptr; | |
80885a9d | 905 | |
a0cb3fc3 MT |
906 | ptr = (char *)srb->pdata; |
907 | memset(&srb->cmd[0], 0, 12); | |
908 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 909 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
910 | srb->cmd[4] = 18; |
911 | srb->datalen = 18; | |
d0ff51ba | 912 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
913 | srb->cmdlen = 12; |
914 | ss->transport(srb, ss); | |
ceb4972a VG |
915 | debug("Request Sense returned %02X %02X %02X\n", |
916 | srb->sense_buf[2], srb->sense_buf[12], | |
917 | srb->sense_buf[13]); | |
a0cb3fc3 | 918 | srb->pdata = (uchar *)ptr; |
affae2bf WD |
919 | return 0; |
920 | } | |
921 | ||
a0cb3fc3 | 922 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 923 | { |
9c998aa8 | 924 | int retries = 10; |
149dded2 | 925 | |
affae2bf | 926 | do { |
a0cb3fc3 MT |
927 | memset(&srb->cmd[0], 0, 12); |
928 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 929 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
930 | srb->datalen = 0; |
931 | srb->cmdlen = 12; | |
3e8581bb BT |
932 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
933 | ss->flags |= USB_READY; | |
affae2bf | 934 | return 0; |
3e8581bb | 935 | } |
a0cb3fc3 | 936 | usb_request_sense(srb, ss); |
8b57e2f0 VP |
937 | /* |
938 | * Check the Key Code Qualifier, if it matches | |
939 | * "Not Ready - medium not present" | |
940 | * (the sense Key equals 0x2 and the ASC is 0x3a) | |
941 | * return immediately as the medium being absent won't change | |
942 | * unless there is a user action. | |
943 | */ | |
944 | if ((srb->sense_buf[2] == 0x02) && | |
945 | (srb->sense_buf[12] == 0x3a)) | |
946 | return -1; | |
5b84dd67 | 947 | mdelay(100); |
a0cb3fc3 | 948 | } while (retries--); |
149dded2 | 949 | |
affae2bf WD |
950 | return -1; |
951 | } | |
952 | ||
a0cb3fc3 | 953 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
954 | { |
955 | int retry; | |
a0cb3fc3 MT |
956 | /* XXX retries */ |
957 | retry = 3; | |
affae2bf | 958 | do { |
a0cb3fc3 MT |
959 | memset(&srb->cmd[0], 0, 12); |
960 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 961 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
962 | srb->datalen = 8; |
963 | srb->cmdlen = 12; | |
964 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 965 | return 0; |
a0cb3fc3 | 966 | } while (retry--); |
149dded2 | 967 | |
affae2bf WD |
968 | return -1; |
969 | } | |
970 | ||
a0cb3fc3 MT |
971 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
972 | unsigned short blocks) | |
affae2bf | 973 | { |
a0cb3fc3 MT |
974 | memset(&srb->cmd[0], 0, 12); |
975 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 976 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
977 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
978 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
979 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
980 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
981 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
982 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
983 | srb->cmdlen = 12; | |
ceb4972a | 984 | debug("read10: start %lx blocks %x\n", start, blocks); |
a0cb3fc3 | 985 | return ss->transport(srb, ss); |
affae2bf WD |
986 | } |
987 | ||
127e1084 MJ |
988 | static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, |
989 | unsigned short blocks) | |
990 | { | |
991 | memset(&srb->cmd[0], 0, 12); | |
992 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 993 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
994 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
995 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
996 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
997 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
998 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
999 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1000 | srb->cmdlen = 12; | |
ceb4972a | 1001 | debug("write10: start %lx blocks %x\n", start, blocks); |
127e1084 MJ |
1002 | return ss->transport(srb, ss); |
1003 | } | |
1004 | ||
affae2bf | 1005 | |
ddde6b7c BS |
1006 | #ifdef CONFIG_USB_BIN_FIXUP |
1007 | /* | |
1008 | * Some USB storage devices queried for SCSI identification data respond with | |
1009 | * binary strings, which if output to the console freeze the terminal. The | |
1010 | * workaround is to modify the vendor and product strings read from such | |
1011 | * device with proper values (as reported by 'usb info'). | |
1012 | * | |
1013 | * Vendor and product length limits are taken from the definition of | |
1014 | * block_dev_desc_t in include/part.h. | |
1015 | */ | |
1016 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1017 | unsigned char vendor[], | |
1018 | unsigned char product[]) { | |
1019 | const unsigned char max_vendor_len = 40; | |
1020 | const unsigned char max_product_len = 20; | |
1021 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1022 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1023 | strncpy((char *)product, "Flash Media Cntrller", | |
1024 | max_product_len); | |
ddde6b7c BS |
1025 | } |
1026 | } | |
1027 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1028 | ||
ff8fef56 | 1029 | unsigned long usb_stor_read(int device, lbaint_t blknr, |
e81e79ed | 1030 | lbaint_t blkcnt, void *buffer) |
affae2bf | 1031 | { |
e81e79ed GB |
1032 | lbaint_t start, blks; |
1033 | uintptr_t buf_addr; | |
affae2bf WD |
1034 | unsigned short smallblks; |
1035 | struct usb_device *dev; | |
5dd95cf9 | 1036 | struct us_data *ss; |
84073b6f | 1037 | int retry; |
f8d813e3 WD |
1038 | ccb *srb = &usb_ccb; |
1039 | ||
1040 | if (blkcnt == 0) | |
1041 | return 0; | |
1042 | ||
1043 | device &= 0xff; | |
a0cb3fc3 | 1044 | /* Setup device */ |
84073b6f SG |
1045 | debug("\nusb_read: dev %d\n", device); |
1046 | dev = usb_dev_desc[device].priv; | |
1047 | if (!dev) { | |
1048 | debug("%s: No device\n", __func__); | |
1049 | return 0; | |
affae2bf | 1050 | } |
5dd95cf9 | 1051 | ss = (struct us_data *)dev->privptr; |
affae2bf WD |
1052 | |
1053 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
a0cb3fc3 | 1054 | srb->lun = usb_dev_desc[device].lun; |
f6570871 | 1055 | buf_addr = (uintptr_t)buffer; |
a0cb3fc3 MT |
1056 | start = blknr; |
1057 | blks = blkcnt; | |
a0cb3fc3 | 1058 | |
ceb4972a | 1059 | debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF |
4fd074de | 1060 | " buffer %" PRIxPTR "\n", device, start, blks, buf_addr); |
a0cb3fc3 | 1061 | |
affae2bf | 1062 | do { |
a0cb3fc3 MT |
1063 | /* XXX need some comment here */ |
1064 | retry = 2; | |
1065 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1066 | if (blks > USB_MAX_XFER_BLK) |
1067 | smallblks = USB_MAX_XFER_BLK; | |
a0cb3fc3 MT |
1068 | else |
1069 | smallblks = (unsigned short) blks; | |
affae2bf | 1070 | retry_it: |
4bee5c83 | 1071 | if (smallblks == USB_MAX_XFER_BLK) |
affae2bf | 1072 | usb_show_progress(); |
a0cb3fc3 MT |
1073 | srb->datalen = usb_dev_desc[device].blksz * smallblks; |
1074 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1075 | if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a | 1076 | debug("Read ERROR\n"); |
5dd95cf9 | 1077 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1078 | if (retry--) |
affae2bf | 1079 | goto retry_it; |
a0cb3fc3 | 1080 | blkcnt -= blks; |
affae2bf WD |
1081 | break; |
1082 | } | |
a0cb3fc3 MT |
1083 | start += smallblks; |
1084 | blks -= smallblks; | |
1085 | buf_addr += srb->datalen; | |
1086 | } while (blks != 0); | |
3e8581bb | 1087 | ss->flags &= ~USB_READY; |
a0cb3fc3 | 1088 | |
ceb4972a | 1089 | debug("usb_read: end startblk " LBAF |
4fd074de | 1090 | ", blccnt %x buffer %" PRIxPTR "\n", |
ceb4972a | 1091 | start, smallblks, buf_addr); |
a0cb3fc3 | 1092 | |
affae2bf | 1093 | usb_disable_asynch(0); /* asynch transfer allowed */ |
4bee5c83 | 1094 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1095 | debug("\n"); |
a0cb3fc3 | 1096 | return blkcnt; |
affae2bf WD |
1097 | } |
1098 | ||
ff8fef56 | 1099 | unsigned long usb_stor_write(int device, lbaint_t blknr, |
e81e79ed | 1100 | lbaint_t blkcnt, const void *buffer) |
127e1084 | 1101 | { |
e81e79ed GB |
1102 | lbaint_t start, blks; |
1103 | uintptr_t buf_addr; | |
127e1084 MJ |
1104 | unsigned short smallblks; |
1105 | struct usb_device *dev; | |
5dd95cf9 | 1106 | struct us_data *ss; |
84073b6f | 1107 | int retry; |
127e1084 MJ |
1108 | ccb *srb = &usb_ccb; |
1109 | ||
1110 | if (blkcnt == 0) | |
1111 | return 0; | |
1112 | ||
1113 | device &= 0xff; | |
1114 | /* Setup device */ | |
84073b6f SG |
1115 | debug("\nusb_write: dev %d\n", device); |
1116 | dev = usb_dev_desc[device].priv; | |
1117 | if (!dev) | |
1118 | return 0; | |
5dd95cf9 | 1119 | ss = (struct us_data *)dev->privptr; |
127e1084 MJ |
1120 | |
1121 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1122 | ||
1123 | srb->lun = usb_dev_desc[device].lun; | |
f6570871 | 1124 | buf_addr = (uintptr_t)buffer; |
127e1084 MJ |
1125 | start = blknr; |
1126 | blks = blkcnt; | |
127e1084 | 1127 | |
ceb4972a | 1128 | debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF |
4fd074de | 1129 | " buffer %" PRIxPTR "\n", device, start, blks, buf_addr); |
127e1084 MJ |
1130 | |
1131 | do { | |
1132 | /* If write fails retry for max retry count else | |
1133 | * return with number of blocks written successfully. | |
1134 | */ | |
1135 | retry = 2; | |
1136 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1137 | if (blks > USB_MAX_XFER_BLK) |
1138 | smallblks = USB_MAX_XFER_BLK; | |
127e1084 MJ |
1139 | else |
1140 | smallblks = (unsigned short) blks; | |
1141 | retry_it: | |
4bee5c83 | 1142 | if (smallblks == USB_MAX_XFER_BLK) |
127e1084 MJ |
1143 | usb_show_progress(); |
1144 | srb->datalen = usb_dev_desc[device].blksz * smallblks; | |
1145 | srb->pdata = (unsigned char *)buf_addr; | |
5dd95cf9 | 1146 | if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a | 1147 | debug("Write ERROR\n"); |
5dd95cf9 | 1148 | usb_request_sense(srb, ss); |
127e1084 MJ |
1149 | if (retry--) |
1150 | goto retry_it; | |
1151 | blkcnt -= blks; | |
1152 | break; | |
1153 | } | |
1154 | start += smallblks; | |
1155 | blks -= smallblks; | |
1156 | buf_addr += srb->datalen; | |
1157 | } while (blks != 0); | |
3e8581bb | 1158 | ss->flags &= ~USB_READY; |
127e1084 | 1159 | |
4fd074de SG |
1160 | debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" |
1161 | PRIxPTR "\n", start, smallblks, buf_addr); | |
127e1084 MJ |
1162 | |
1163 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
4bee5c83 | 1164 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1165 | debug("\n"); |
127e1084 MJ |
1166 | return blkcnt; |
1167 | ||
1168 | } | |
affae2bf WD |
1169 | |
1170 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1171 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1172 | struct us_data *ss) | |
affae2bf | 1173 | { |
8f8bd565 | 1174 | struct usb_interface *iface; |
affae2bf | 1175 | int i; |
605bd75a | 1176 | struct usb_endpoint_descriptor *ep_desc; |
affae2bf WD |
1177 | unsigned int flags = 0; |
1178 | ||
1179 | int protocol = 0; | |
1180 | int subclass = 0; | |
1181 | ||
affae2bf WD |
1182 | /* let's examine the device now */ |
1183 | iface = &dev->config.if_desc[ifnum]; | |
1184 | ||
1185 | #if 0 | |
1186 | /* this is the place to patch some storage devices */ | |
ceb4972a | 1187 | debug("iVendor %X iProduct %X\n", dev->descriptor.idVendor, |
a0cb3fc3 MT |
1188 | dev->descriptor.idProduct); |
1189 | ||
1190 | if ((dev->descriptor.idVendor) == 0x066b && | |
1191 | (dev->descriptor.idProduct) == 0x0103) { | |
ceb4972a | 1192 | debug("patched for E-USB\n"); |
affae2bf WD |
1193 | protocol = US_PR_CB; |
1194 | subclass = US_SC_UFI; /* an assumption */ | |
1195 | } | |
1196 | #endif | |
1197 | ||
1198 | if (dev->descriptor.bDeviceClass != 0 || | |
8f8bd565 TR |
1199 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1200 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1201 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
1d5827a1 | 1202 | debug("Not mass storage\n"); |
affae2bf WD |
1203 | /* if it's not a mass storage, we go no further */ |
1204 | return 0; | |
1205 | } | |
1206 | ||
9c998aa8 WD |
1207 | memset(ss, 0, sizeof(struct us_data)); |
1208 | ||
affae2bf | 1209 | /* At this point, we know we've got a live one */ |
ceb4972a | 1210 | debug("\n\nUSB Mass Storage device detected\n"); |
affae2bf WD |
1211 | |
1212 | /* Initialize the us_data structure with some useful info */ | |
1213 | ss->flags = flags; | |
1214 | ss->ifnum = ifnum; | |
1215 | ss->pusb_dev = dev; | |
1216 | ss->attention_done = 0; | |
1217 | ||
1218 | /* If the device has subclass and protocol, then use that. Otherwise, | |
1219 | * take data from the specific interface. | |
1220 | */ | |
1221 | if (subclass) { | |
1222 | ss->subclass = subclass; | |
1223 | ss->protocol = protocol; | |
1224 | } else { | |
8f8bd565 TR |
1225 | ss->subclass = iface->desc.bInterfaceSubClass; |
1226 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1227 | } |
1228 | ||
1229 | /* set the handler pointers based on the protocol */ | |
ceb4972a | 1230 | debug("Transport: "); |
affae2bf WD |
1231 | switch (ss->protocol) { |
1232 | case US_PR_CB: | |
ceb4972a | 1233 | debug("Control/Bulk\n"); |
affae2bf WD |
1234 | ss->transport = usb_stor_CB_transport; |
1235 | ss->transport_reset = usb_stor_CB_reset; | |
1236 | break; | |
1237 | ||
1238 | case US_PR_CBI: | |
ceb4972a | 1239 | debug("Control/Bulk/Interrupt\n"); |
affae2bf WD |
1240 | ss->transport = usb_stor_CB_transport; |
1241 | ss->transport_reset = usb_stor_CB_reset; | |
1242 | break; | |
149dded2 | 1243 | case US_PR_BULK: |
ceb4972a | 1244 | debug("Bulk/Bulk/Bulk\n"); |
149dded2 WD |
1245 | ss->transport = usb_stor_BBB_transport; |
1246 | ss->transport_reset = usb_stor_BBB_reset; | |
1247 | break; | |
affae2bf | 1248 | default: |
80885a9d | 1249 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1250 | return 0; |
1251 | break; | |
1252 | } | |
1253 | ||
1254 | /* | |
1255 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1256 | * An optional interrupt is OK (necessary for CBI protocol). | |
1257 | * We will ignore any others. | |
1258 | */ | |
8f8bd565 | 1259 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75a | 1260 | ep_desc = &iface->ep_desc[i]; |
affae2bf | 1261 | /* is it an BULK endpoint? */ |
605bd75a | 1262 | if ((ep_desc->bmAttributes & |
a0cb3fc3 | 1263 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75a VG |
1264 | if (ep_desc->bEndpointAddress & USB_DIR_IN) |
1265 | ss->ep_in = ep_desc->bEndpointAddress & | |
1266 | USB_ENDPOINT_NUMBER_MASK; | |
affae2bf | 1267 | else |
a0cb3fc3 | 1268 | ss->ep_out = |
605bd75a | 1269 | ep_desc->bEndpointAddress & |
affae2bf WD |
1270 | USB_ENDPOINT_NUMBER_MASK; |
1271 | } | |
1272 | ||
1273 | /* is it an interrupt endpoint? */ | |
605bd75a VG |
1274 | if ((ep_desc->bmAttributes & |
1275 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
1276 | ss->ep_int = ep_desc->bEndpointAddress & | |
1277 | USB_ENDPOINT_NUMBER_MASK; | |
1278 | ss->irqinterval = ep_desc->bInterval; | |
affae2bf WD |
1279 | } |
1280 | } | |
ceb4972a VG |
1281 | debug("Endpoints In %d Out %d Int %d\n", |
1282 | ss->ep_in, ss->ep_out, ss->ep_int); | |
affae2bf WD |
1283 | |
1284 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1285 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1286 | !ss->ep_in || !ss->ep_out || |
1287 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
ceb4972a | 1288 | debug("Problems with device\n"); |
affae2bf WD |
1289 | return 0; |
1290 | } | |
1291 | /* set class specific stuff */ | |
149dded2 WD |
1292 | /* We only handle certain protocols. Currently, these are |
1293 | * the only ones. | |
80885a9d | 1294 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1295 | */ |
80885a9d WD |
1296 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1297 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1298 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1299 | return 0; |
1300 | } | |
a0cb3fc3 MT |
1301 | if (ss->ep_int) { |
1302 | /* we had found an interrupt endpoint, prepare irq pipe | |
1303 | * set up the IRQ pipe and handler | |
1304 | */ | |
affae2bf WD |
1305 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1306 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1307 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1308 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1309 | } |
a0cb3fc3 | 1310 | dev->privptr = (void *)ss; |
affae2bf WD |
1311 | return 1; |
1312 | } | |
1313 | ||
a0cb3fc3 MT |
1314 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
1315 | block_dev_desc_t *dev_desc) | |
affae2bf | 1316 | { |
a0cb3fc3 | 1317 | unsigned char perq, modi; |
f6570871 ST |
1318 | ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); |
1319 | ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); | |
1320 | u32 capacity, blksz; | |
9c998aa8 WD |
1321 | ccb *pccb = &usb_ccb; |
1322 | ||
9c998aa8 WD |
1323 | pccb->pdata = usb_stor_buf; |
1324 | ||
1325 | dev_desc->target = dev->devnum; | |
1326 | pccb->lun = dev_desc->lun; | |
ceb4972a | 1327 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1328 | |
1d5827a1 SG |
1329 | if (usb_inquiry(pccb, ss)) { |
1330 | debug("%s: usb_inquiry() failed\n", __func__); | |
affae2bf | 1331 | return -1; |
1d5827a1 | 1332 | } |
095b8a37 | 1333 | |
9c998aa8 WD |
1334 | perq = usb_stor_buf[0]; |
1335 | modi = usb_stor_buf[1]; | |
a0cb3fc3 | 1336 | |
6a559bbe SM |
1337 | /* |
1338 | * Skip unknown devices (0x1f) and enclosure service devices (0x0d), | |
1339 | * they would not respond to test_unit_ready . | |
1340 | */ | |
1341 | if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { | |
1d5827a1 | 1342 | debug("%s: unknown/unsupported device\n", __func__); |
a0cb3fc3 | 1343 | return 0; |
affae2bf | 1344 | } |
a0cb3fc3 MT |
1345 | if ((modi&0x80) == 0x80) { |
1346 | /* drive is removable */ | |
9c998aa8 | 1347 | dev_desc->removable = 1; |
affae2bf | 1348 | } |
f6570871 ST |
1349 | memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8); |
1350 | memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16); | |
1351 | memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4); | |
9c998aa8 WD |
1352 | dev_desc->vendor[8] = 0; |
1353 | dev_desc->product[16] = 0; | |
1354 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1355 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1356 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1357 | (uchar *)dev_desc->product); | |
ddde6b7c | 1358 | #endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a VG |
1359 | debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1360 | usb_stor_buf[3]); | |
a0cb3fc3 MT |
1361 | if (usb_test_unit_ready(pccb, ss)) { |
1362 | printf("Device NOT ready\n" | |
1363 | " Request Sense returned %02X %02X %02X\n", | |
1364 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1365 | pccb->sense_buf[13]); | |
1366 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1367 | dev_desc->type = perq; |
affae2bf WD |
1368 | return 1; |
1369 | } | |
a0cb3fc3 | 1370 | return 0; |
affae2bf | 1371 | } |
f6570871 | 1372 | pccb->pdata = (unsigned char *)cap; |
a0cb3fc3 MT |
1373 | memset(pccb->pdata, 0, 8); |
1374 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1375 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1376 | cap[0] = 2880; |
1377 | cap[1] = 0x200; | |
affae2bf | 1378 | } |
3e8581bb | 1379 | ss->flags &= ~USB_READY; |
f6570871 | 1380 | debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]); |
affae2bf | 1381 | #if 0 |
a0cb3fc3 MT |
1382 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1383 | cap[0] >>= 16; | |
f6570871 | 1384 | |
c918261c CE |
1385 | cap[0] = cpu_to_be32(cap[0]); |
1386 | cap[1] = cpu_to_be32(cap[1]); | |
f6570871 ST |
1387 | #endif |
1388 | ||
1389 | capacity = be32_to_cpu(cap[0]) + 1; | |
1390 | blksz = be32_to_cpu(cap[1]); | |
c918261c | 1391 | |
f6570871 ST |
1392 | debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz); |
1393 | dev_desc->lba = capacity; | |
1394 | dev_desc->blksz = blksz; | |
0472fbfd | 1395 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa8 | 1396 | dev_desc->type = perq; |
ceb4972a VG |
1397 | debug(" address %d\n", dev_desc->target); |
1398 | debug("partype: %d\n", dev_desc->part_type); | |
affae2bf WD |
1399 | |
1400 | init_part(dev_desc); | |
1401 | ||
ceb4972a | 1402 | debug("partype: %d\n", dev_desc->part_type); |
affae2bf WD |
1403 | return 1; |
1404 | } | |
acf277af SG |
1405 | |
1406 | #ifdef CONFIG_DM_USB | |
1407 | ||
1408 | static int usb_mass_storage_probe(struct udevice *dev) | |
1409 | { | |
1410 | struct usb_device *udev = dev_get_parentdata(dev); | |
1411 | int ret; | |
1412 | ||
1413 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1414 | ret = usb_stor_probe_device(udev); | |
1415 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
1416 | ||
1417 | return ret; | |
1418 | } | |
1419 | ||
1420 | static const struct udevice_id usb_mass_storage_ids[] = { | |
1421 | { .compatible = "usb-mass-storage" }, | |
1422 | { } | |
1423 | }; | |
1424 | ||
1425 | U_BOOT_DRIVER(usb_mass_storage) = { | |
1426 | .name = "usb_mass_storage", | |
1427 | .id = UCLASS_MASS_STORAGE, | |
1428 | .of_match = usb_mass_storage_ids, | |
1429 | .probe = usb_mass_storage_probe, | |
1430 | }; | |
1431 | ||
1432 | UCLASS_DRIVER(usb_mass_storage) = { | |
1433 | .id = UCLASS_MASS_STORAGE, | |
1434 | .name = "usb_mass_storage", | |
1435 | }; | |
1436 | ||
1437 | static const struct usb_device_id mass_storage_id_table[] = { | |
1438 | { | |
1439 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, | |
1440 | .bInterfaceClass = USB_CLASS_MASS_STORAGE | |
1441 | }, | |
1442 | { } /* Terminating entry */ | |
1443 | }; | |
1444 | ||
abb59cff | 1445 | U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); |
acf277af SG |
1446 | |
1447 | #endif |