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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 | |
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> |
cf92e05c | 42 | #include <memalign.h> |
c918261c | 43 | #include <asm/byteorder.h> |
affae2bf | 44 | #include <asm/processor.h> |
acf277af | 45 | #include <dm/device-internal.h> |
affae2bf | 46 | |
735dd97b | 47 | #include <part.h> |
affae2bf WD |
48 | #include <usb.h> |
49 | ||
80885a9d WD |
50 | #undef BBB_COMDAT_TRACE |
51 | #undef BBB_XPORT_TRACE | |
affae2bf | 52 | |
affae2bf WD |
53 | #include <scsi.h> |
54 | /* direction table -- this indicates the direction of the data | |
55 | * transfer for each command code -- a 1 indicates input | |
56 | */ | |
2ff12285 | 57 | static const unsigned char us_direction[256/8] = { |
affae2bf WD |
58 | 0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, |
59 | 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, | |
60 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, | |
61 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
62 | }; | |
63 | #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) | |
64 | ||
f5766139 | 65 | static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); |
a0cb3fc3 | 66 | static __u32 CBWTag; |
149dded2 | 67 | |
a0cb3fc3 | 68 | static int usb_max_devs; /* number of highest available usb device */ |
affae2bf | 69 | |
4101f687 | 70 | static struct blk_desc usb_dev_desc[USB_MAX_STOR_DEV]; |
affae2bf WD |
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 | 117 | int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
4101f687 | 118 | struct blk_desc *dev_desc); |
a0cb3fc3 MT |
119 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
120 | struct us_data *ss); | |
4101f687 | 121 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 122 | lbaint_t blkcnt, void *buffer); |
4101f687 | 123 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 124 | lbaint_t blkcnt, const void *buffer); |
affae2bf WD |
125 | void uhci_show_temp_int_td(void); |
126 | ||
df3fc526 | 127 | #ifdef CONFIG_PARTITIONS |
4101f687 | 128 | struct blk_desc *usb_stor_get_dev(int index) |
affae2bf | 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 | 144 | { |
9807c3b7 | 145 | int count = 0; |
9c998aa8 WD |
146 | int i; |
147 | ||
f6b44e0e | 148 | if (usb_max_devs > 0) { |
9c998aa8 | 149 | for (i = 0; i < usb_max_devs; i++) { |
a0cb3fc3 | 150 | printf(" Device %d: ", i); |
9c998aa8 WD |
151 | dev_print(&usb_dev_desc[i]); |
152 | } | |
b9e749e9 | 153 | return 0; |
f6b44e0e | 154 | } |
1aeed8d7 | 155 | |
9807c3b7 SG |
156 | if (!count) { |
157 | printf("No storage devices, perhaps not 'usb start'ed..?\n"); | |
158 | return 1; | |
159 | } | |
160 | ||
b9e749e9 | 161 | return 1; |
9c998aa8 WD |
162 | } |
163 | ||
99e9ed1f LC |
164 | static unsigned int usb_get_max_lun(struct us_data *us) |
165 | { | |
166 | int len; | |
f5766139 | 167 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
99e9ed1f LC |
168 | len = usb_control_msg(us->pusb_dev, |
169 | usb_rcvctrlpipe(us->pusb_dev, 0), | |
170 | US_BBB_GET_MAX_LUN, | |
171 | USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, | |
172 | 0, us->ifnum, | |
f5766139 | 173 | result, sizeof(char), |
99e9ed1f | 174 | USB_CNTL_TIMEOUT * 5); |
ceb4972a | 175 | debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); |
f5766139 | 176 | return (len > 0) ? *result : 0; |
99e9ed1f LC |
177 | } |
178 | ||
9807c3b7 | 179 | static int usb_stor_probe_device(struct usb_device *udev) |
91557579 | 180 | { |
9807c3b7 SG |
181 | int lun, max_lun; |
182 | int start; | |
183 | ||
184 | if (udev == NULL) | |
91557579 SG |
185 | return -ENOENT; /* no more devices available */ |
186 | ||
c89e79d4 SG |
187 | /* We don't have space to even probe if we hit the maximum */ |
188 | if (usb_max_devs == USB_MAX_STOR_DEV) { | |
189 | printf("max USB Storage Device reached: %d stopping\n", | |
190 | usb_max_devs); | |
191 | return -ENOSPC; | |
192 | } | |
193 | ||
91557579 | 194 | debug("\n\nProbing for storage\n"); |
9807c3b7 SG |
195 | if (!usb_storage_probe(udev, 0, &usb_stor[usb_max_devs])) |
196 | return 0; | |
197 | ||
198 | /* | |
199 | * OK, it's a storage device. Iterate over its LUNs and populate | |
200 | * usb_dev_desc' | |
201 | */ | |
202 | start = usb_max_devs; | |
203 | ||
204 | max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); | |
205 | for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; | |
206 | lun++) { | |
207 | struct blk_desc *blkdev; | |
208 | ||
209 | blkdev = &usb_dev_desc[usb_max_devs]; | |
210 | memset(blkdev, '\0', sizeof(struct blk_desc)); | |
211 | blkdev->if_type = IF_TYPE_USB; | |
212 | blkdev->devnum = usb_max_devs; | |
213 | blkdev->part_type = PART_TYPE_UNKNOWN; | |
214 | blkdev->target = 0xff; | |
215 | blkdev->type = DEV_TYPE_UNKNOWN; | |
216 | blkdev->block_read = usb_stor_read; | |
217 | blkdev->block_write = usb_stor_write; | |
218 | blkdev->lun = lun; | |
219 | blkdev->priv = udev; | |
220 | ||
221 | if (usb_stor_get_info(udev, &usb_stor[start], | |
222 | &usb_dev_desc[usb_max_devs]) == 1) { | |
223 | usb_max_devs++; | |
224 | debug("%s: Found device %p\n", __func__, udev); | |
91557579 SG |
225 | } |
226 | } | |
227 | ||
91557579 SG |
228 | return 0; |
229 | } | |
230 | ||
231 | void usb_stor_reset(void) | |
232 | { | |
233 | usb_max_devs = 0; | |
234 | } | |
235 | ||
acf277af | 236 | #ifndef CONFIG_DM_USB |
a0cb3fc3 | 237 | /******************************************************************************* |
9c998aa8 | 238 | * scan the usb and reports device info |
affae2bf WD |
239 | * to the user if mode = 1 |
240 | * returns current device or -1 if no | |
241 | */ | |
242 | int usb_stor_scan(int mode) | |
243 | { | |
7fc2c1ea | 244 | unsigned char i; |
affae2bf | 245 | |
a0cb3fc3 | 246 | if (mode == 1) |
93c2582f | 247 | printf(" scanning usb for storage devices... "); |
a0cb3fc3 | 248 | |
affae2bf WD |
249 | usb_disable_asynch(1); /* asynch transfer not allowed */ |
250 | ||
91557579 | 251 | usb_stor_reset(); |
a0cb3fc3 | 252 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
91557579 SG |
253 | struct usb_device *dev; |
254 | ||
a0cb3fc3 | 255 | dev = usb_get_dev_index(i); /* get device */ |
ceb4972a | 256 | debug("i=%d\n", i); |
91557579 | 257 | if (usb_stor_probe_device(dev)) |
affae2bf | 258 | break; |
affae2bf | 259 | } /* for */ |
095b8a37 | 260 | |
affae2bf | 261 | usb_disable_asynch(0); /* asynch transfer allowed */ |
9c998aa8 | 262 | printf("%d Storage Device(s) found\n", usb_max_devs); |
a0cb3fc3 | 263 | if (usb_max_devs > 0) |
affae2bf | 264 | return 0; |
a0cb3fc3 | 265 | return -1; |
affae2bf | 266 | } |
acf277af | 267 | #endif |
affae2bf WD |
268 | |
269 | static int usb_stor_irq(struct usb_device *dev) | |
270 | { | |
271 | struct us_data *us; | |
a0cb3fc3 | 272 | us = (struct us_data *)dev->privptr; |
affae2bf | 273 | |
a0cb3fc3 MT |
274 | if (us->ip_wanted) |
275 | us->ip_wanted = 0; | |
affae2bf WD |
276 | return 0; |
277 | } | |
278 | ||
279 | ||
ceb4972a | 280 | #ifdef DEBUG |
affae2bf | 281 | |
a0cb3fc3 | 282 | static void usb_show_srb(ccb *pccb) |
affae2bf WD |
283 | { |
284 | int i; | |
a0cb3fc3 MT |
285 | printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); |
286 | for (i = 0; i < 12; i++) | |
287 | printf("%02X ", pccb->cmd[i]); | |
affae2bf WD |
288 | printf("\n"); |
289 | } | |
290 | ||
291 | static void display_int_status(unsigned long tmp) | |
292 | { | |
293 | printf("Status: %s %s %s %s %s %s %s\n", | |
294 | (tmp & USB_ST_ACTIVE) ? "Active" : "", | |
295 | (tmp & USB_ST_STALLED) ? "Stalled" : "", | |
296 | (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", | |
297 | (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", | |
298 | (tmp & USB_ST_NAK_REC) ? "NAKed" : "", | |
299 | (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", | |
300 | (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); | |
301 | } | |
302 | #endif | |
303 | /*********************************************************************** | |
304 | * Data transfer routines | |
305 | ***********************************************************************/ | |
306 | ||
307 | static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) | |
308 | { | |
309 | int max_size; | |
310 | int this_xfer; | |
311 | int result; | |
312 | int partial; | |
313 | int maxtry; | |
314 | int stat; | |
315 | ||
316 | /* determine the maximum packet size for these transfers */ | |
317 | max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; | |
318 | ||
319 | /* while we have data left to transfer */ | |
320 | while (length) { | |
321 | ||
322 | /* calculate how long this will be -- maximum or a remainder */ | |
323 | this_xfer = length > max_size ? max_size : length; | |
324 | length -= this_xfer; | |
325 | ||
326 | /* setup the retry counter */ | |
327 | maxtry = 10; | |
328 | ||
329 | /* set up the transfer loop */ | |
330 | do { | |
331 | /* transfer the data */ | |
05108132 SG |
332 | debug("Bulk xfer 0x%lx(%d) try #%d\n", |
333 | (ulong)map_to_sysmem(buf), this_xfer, | |
334 | 11 - maxtry); | |
affae2bf | 335 | result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
a0cb3fc3 MT |
336 | this_xfer, &partial, |
337 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
338 | debug("bulk_msg returned %d xferred %d/%d\n", |
339 | result, partial, this_xfer); | |
a0cb3fc3 MT |
340 | if (us->pusb_dev->status != 0) { |
341 | /* if we stall, we need to clear it before | |
342 | * we go on | |
343 | */ | |
ceb4972a | 344 | #ifdef DEBUG |
affae2bf WD |
345 | display_int_status(us->pusb_dev->status); |
346 | #endif | |
347 | if (us->pusb_dev->status & USB_ST_STALLED) { | |
ceb4972a VG |
348 | debug("stalled ->clearing endpoint" \ |
349 | "halt for pipe 0x%x\n", pipe); | |
affae2bf WD |
350 | stat = us->pusb_dev->status; |
351 | usb_clear_halt(us->pusb_dev, pipe); | |
a0cb3fc3 MT |
352 | us->pusb_dev->status = stat; |
353 | if (this_xfer == partial) { | |
ceb4972a VG |
354 | debug("bulk transferred" \ |
355 | "with error %lX," \ | |
356 | " but data ok\n", | |
357 | us->pusb_dev->status); | |
affae2bf WD |
358 | return 0; |
359 | } | |
360 | else | |
361 | return result; | |
362 | } | |
363 | if (us->pusb_dev->status & USB_ST_NAK_REC) { | |
ceb4972a | 364 | debug("Device NAKed bulk_msg\n"); |
affae2bf WD |
365 | return result; |
366 | } | |
ceb4972a | 367 | debug("bulk transferred with error"); |
a0cb3fc3 | 368 | if (this_xfer == partial) { |
ceb4972a VG |
369 | debug(" %ld, but data ok\n", |
370 | us->pusb_dev->status); | |
affae2bf WD |
371 | return 0; |
372 | } | |
373 | /* if our try counter reaches 0, bail out */ | |
ceb4972a VG |
374 | debug(" %ld, data %d\n", |
375 | us->pusb_dev->status, partial); | |
affae2bf WD |
376 | if (!maxtry--) |
377 | return result; | |
378 | } | |
379 | /* update to show what data was transferred */ | |
380 | this_xfer -= partial; | |
381 | buf += partial; | |
382 | /* continue until this transfer is done */ | |
a0cb3fc3 | 383 | } while (this_xfer); |
affae2bf WD |
384 | } |
385 | ||
386 | /* if we get here, we're done and successful */ | |
387 | return 0; | |
388 | } | |
389 | ||
149dded2 WD |
390 | static int usb_stor_BBB_reset(struct us_data *us) |
391 | { | |
392 | int result; | |
393 | unsigned int pipe; | |
394 | ||
395 | /* | |
396 | * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) | |
397 | * | |
398 | * For Reset Recovery the host shall issue in the following order: | |
399 | * a) a Bulk-Only Mass Storage Reset | |
400 | * b) a Clear Feature HALT to the Bulk-In endpoint | |
401 | * c) a Clear Feature HALT to the Bulk-Out endpoint | |
402 | * | |
403 | * This is done in 3 steps. | |
404 | * | |
405 | * If the reset doesn't succeed, the device should be port reset. | |
406 | * | |
407 | * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. | |
408 | */ | |
ceb4972a | 409 | debug("BBB_reset\n"); |
a0cb3fc3 MT |
410 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
411 | US_BBB_RESET, | |
412 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
199adb60 | 413 | 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
9c998aa8 | 414 | |
a0cb3fc3 | 415 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 416 | debug("RESET:stall\n"); |
149dded2 WD |
417 | return -1; |
418 | } | |
9c998aa8 | 419 | |
149dded2 | 420 | /* long wait for reset */ |
5b84dd67 | 421 | mdelay(150); |
ceb4972a VG |
422 | debug("BBB_reset result %d: status %lX reset\n", |
423 | result, us->pusb_dev->status); | |
149dded2 WD |
424 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
425 | result = usb_clear_halt(us->pusb_dev, pipe); | |
426 | /* long wait for reset */ | |
5b84dd67 | 427 | mdelay(150); |
ceb4972a VG |
428 | debug("BBB_reset result %d: status %lX clearing IN endpoint\n", |
429 | result, us->pusb_dev->status); | |
149dded2 WD |
430 | /* long wait for reset */ |
431 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
432 | result = usb_clear_halt(us->pusb_dev, pipe); | |
5b84dd67 | 433 | mdelay(150); |
ceb4972a VG |
434 | debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", |
435 | result, us->pusb_dev->status); | |
436 | debug("BBB_reset done\n"); | |
149dded2 WD |
437 | return 0; |
438 | } | |
439 | ||
affae2bf WD |
440 | /* FIXME: this reset function doesn't really reset the port, and it |
441 | * should. Actually it should probably do what it's doing here, and | |
442 | * reset the port physically | |
443 | */ | |
444 | static int usb_stor_CB_reset(struct us_data *us) | |
445 | { | |
446 | unsigned char cmd[12]; | |
447 | int result; | |
448 | ||
ceb4972a | 449 | debug("CB_reset\n"); |
a0cb3fc3 | 450 | memset(cmd, 0xff, sizeof(cmd)); |
affae2bf WD |
451 | cmd[0] = SCSI_SEND_DIAG; |
452 | cmd[1] = 4; | |
a0cb3fc3 MT |
453 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
454 | US_CBI_ADSC, | |
455 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
456 | 0, us->ifnum, cmd, sizeof(cmd), | |
457 | USB_CNTL_TIMEOUT * 5); | |
affae2bf WD |
458 | |
459 | /* long wait for reset */ | |
5b84dd67 | 460 | mdelay(1500); |
ceb4972a VG |
461 | debug("CB_reset result %d: status %lX clearing endpoint halt\n", |
462 | result, us->pusb_dev->status); | |
affae2bf WD |
463 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); |
464 | usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); | |
465 | ||
ceb4972a | 466 | debug("CB_reset done\n"); |
affae2bf WD |
467 | return 0; |
468 | } | |
469 | ||
149dded2 WD |
470 | /* |
471 | * Set up the command for a BBB device. Note that the actual SCSI | |
472 | * command is copied into cbw.CBWCDB. | |
473 | */ | |
199adb60 | 474 | static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) |
149dded2 WD |
475 | { |
476 | int result; | |
477 | int actlen; | |
478 | int dir_in; | |
479 | unsigned int pipe; | |
2e17c87e | 480 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); |
149dded2 WD |
481 | |
482 | dir_in = US_DIRECTION(srb->cmd[0]); | |
483 | ||
484 | #ifdef BBB_COMDAT_TRACE | |
605bd75a | 485 | printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", |
a0cb3fc3 MT |
486 | dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, |
487 | srb->pdata); | |
149dded2 | 488 | if (srb->cmdlen) { |
a0cb3fc3 | 489 | for (result = 0; result < srb->cmdlen; result++) |
149dded2 WD |
490 | printf("cmd[%d] %#x ", result, srb->cmd[result]); |
491 | printf("\n"); | |
492 | } | |
493 | #endif | |
494 | /* sanity checks */ | |
495 | if (!(srb->cmdlen <= CBWCDBLENGTH)) { | |
ceb4972a | 496 | debug("usb_stor_BBB_comdat:cmdlen too large\n"); |
149dded2 WD |
497 | return -1; |
498 | } | |
499 | ||
500 | /* always OUT to the ep */ | |
501 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
502 | ||
f5766139 PS |
503 | cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); |
504 | cbw->dCBWTag = cpu_to_le32(CBWTag++); | |
505 | cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); | |
506 | cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); | |
507 | cbw->bCBWLUN = srb->lun; | |
508 | cbw->bCDBLength = srb->cmdlen; | |
149dded2 WD |
509 | /* copy the command data into the CBW command data buffer */ |
510 | /* DST SRC LEN!!! */ | |
f6570871 | 511 | |
f5766139 PS |
512 | memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); |
513 | result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, | |
a0cb3fc3 | 514 | &actlen, USB_CNTL_TIMEOUT * 5); |
149dded2 | 515 | if (result < 0) |
ceb4972a | 516 | debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); |
149dded2 WD |
517 | return result; |
518 | } | |
519 | ||
affae2bf WD |
520 | /* FIXME: we also need a CBI_command which sets up the completion |
521 | * interrupt, and waits for it | |
522 | */ | |
199adb60 | 523 | static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) |
affae2bf | 524 | { |
77ddac94 | 525 | int result = 0; |
a0cb3fc3 | 526 | int dir_in, retry; |
affae2bf WD |
527 | unsigned int pipe; |
528 | unsigned long status; | |
529 | ||
a0cb3fc3 MT |
530 | retry = 5; |
531 | dir_in = US_DIRECTION(srb->cmd[0]); | |
affae2bf | 532 | |
a0cb3fc3 MT |
533 | if (dir_in) |
534 | pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); | |
535 | else | |
536 | pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
537 | ||
538 | while (retry--) { | |
ceb4972a VG |
539 | debug("CBI gets a command: Try %d\n", 5 - retry); |
540 | #ifdef DEBUG | |
affae2bf WD |
541 | usb_show_srb(srb); |
542 | #endif | |
543 | /* let's send the command via the control pipe */ | |
a0cb3fc3 MT |
544 | result = usb_control_msg(us->pusb_dev, |
545 | usb_sndctrlpipe(us->pusb_dev , 0), | |
546 | US_CBI_ADSC, | |
547 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
affae2bf | 548 | 0, us->ifnum, |
a0cb3fc3 MT |
549 | srb->cmd, srb->cmdlen, |
550 | USB_CNTL_TIMEOUT * 5); | |
ceb4972a VG |
551 | debug("CB_transport: control msg returned %d, status %lX\n", |
552 | result, us->pusb_dev->status); | |
affae2bf WD |
553 | /* check the return code for the command */ |
554 | if (result < 0) { | |
a0cb3fc3 MT |
555 | if (us->pusb_dev->status & USB_ST_STALLED) { |
556 | status = us->pusb_dev->status; | |
ceb4972a VG |
557 | debug(" stall during command found," \ |
558 | " clear pipe\n"); | |
a0cb3fc3 MT |
559 | usb_clear_halt(us->pusb_dev, |
560 | usb_sndctrlpipe(us->pusb_dev, 0)); | |
561 | us->pusb_dev->status = status; | |
affae2bf | 562 | } |
ceb4972a VG |
563 | debug(" error during command %02X" \ |
564 | " Stat = %lX\n", srb->cmd[0], | |
565 | us->pusb_dev->status); | |
affae2bf WD |
566 | return result; |
567 | } | |
568 | /* transfer the data payload for this command, if one exists*/ | |
569 | ||
ceb4972a VG |
570 | debug("CB_transport: control msg returned %d," \ |
571 | " direction is %s to go 0x%lx\n", result, | |
572 | dir_in ? "IN" : "OUT", srb->datalen); | |
affae2bf | 573 | if (srb->datalen) { |
a0cb3fc3 MT |
574 | result = us_one_transfer(us, pipe, (char *)srb->pdata, |
575 | srb->datalen); | |
ceb4972a VG |
576 | debug("CBI attempted to transfer data," \ |
577 | " result is %d status %lX, len %d\n", | |
578 | result, us->pusb_dev->status, | |
579 | us->pusb_dev->act_len); | |
a0cb3fc3 | 580 | if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bf WD |
581 | break; |
582 | } /* if (srb->datalen) */ | |
583 | else | |
584 | break; | |
585 | } | |
586 | /* return result */ | |
587 | ||
588 | return result; | |
589 | } | |
590 | ||
591 | ||
199adb60 | 592 | static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) |
affae2bf WD |
593 | { |
594 | int timeout; | |
595 | ||
80885a9d | 596 | us->ip_wanted = 1; |
a0cb3fc3 | 597 | submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d WD |
598 | (void *) &us->ip_data, us->irqmaxp, us->irqinterval); |
599 | timeout = 1000; | |
600 | while (timeout--) { | |
f6570871 | 601 | if (us->ip_wanted == 0) |
affae2bf | 602 | break; |
5b84dd67 | 603 | mdelay(10); |
affae2bf WD |
604 | } |
605 | if (us->ip_wanted) { | |
a0cb3fc3 | 606 | printf(" Did not get interrupt on CBI\n"); |
affae2bf WD |
607 | us->ip_wanted = 0; |
608 | return USB_STOR_TRANSPORT_ERROR; | |
609 | } | |
ceb4972a VG |
610 | debug("Got interrupt data 0x%x, transfered %d status 0x%lX\n", |
611 | us->ip_data, us->pusb_dev->irq_act_len, | |
612 | us->pusb_dev->irq_status); | |
affae2bf WD |
613 | /* UFI gives us ASC and ASCQ, like a request sense */ |
614 | if (us->subclass == US_SC_UFI) { | |
615 | if (srb->cmd[0] == SCSI_REQ_SENSE || | |
616 | srb->cmd[0] == SCSI_INQUIRY) | |
617 | return USB_STOR_TRANSPORT_GOOD; /* Good */ | |
80885a9d WD |
618 | else if (us->ip_data) |
619 | return USB_STOR_TRANSPORT_FAILED; | |
affae2bf | 620 | else |
80885a9d | 621 | return USB_STOR_TRANSPORT_GOOD; |
affae2bf WD |
622 | } |
623 | /* otherwise, we interpret the data normally */ | |
624 | switch (us->ip_data) { | |
80885a9d WD |
625 | case 0x0001: |
626 | return USB_STOR_TRANSPORT_GOOD; | |
627 | case 0x0002: | |
628 | return USB_STOR_TRANSPORT_FAILED; | |
629 | default: | |
630 | return USB_STOR_TRANSPORT_ERROR; | |
631 | } /* switch */ | |
affae2bf WD |
632 | return USB_STOR_TRANSPORT_ERROR; |
633 | } | |
634 | ||
635 | #define USB_TRANSPORT_UNKNOWN_RETRY 5 | |
636 | #define USB_TRANSPORT_NOT_READY_RETRY 10 | |
637 | ||
149dded2 | 638 | /* clear a stall on an endpoint - special for BBB devices */ |
199adb60 | 639 | static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2 WD |
640 | { |
641 | int result; | |
642 | ||
643 | /* ENDPOINT_HALT = 0, so set value to 0 */ | |
a0cb3fc3 | 644 | result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), |
149dded2 | 645 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, |
199adb60 | 646 | 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); |
149dded2 WD |
647 | return result; |
648 | } | |
649 | ||
199adb60 | 650 | static int usb_stor_BBB_transport(ccb *srb, struct us_data *us) |
149dded2 WD |
651 | { |
652 | int result, retry; | |
653 | int dir_in; | |
654 | int actlen, data_actlen; | |
655 | unsigned int pipe, pipein, pipeout; | |
2e17c87e | 656 | ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); |
149dded2 WD |
657 | #ifdef BBB_XPORT_TRACE |
658 | unsigned char *ptr; | |
659 | int index; | |
660 | #endif | |
661 | ||
662 | dir_in = US_DIRECTION(srb->cmd[0]); | |
663 | ||
664 | /* COMMAND phase */ | |
ceb4972a | 665 | debug("COMMAND phase\n"); |
149dded2 WD |
666 | result = usb_stor_BBB_comdat(srb, us); |
667 | if (result < 0) { | |
ceb4972a VG |
668 | debug("failed to send CBW status %ld\n", |
669 | us->pusb_dev->status); | |
149dded2 WD |
670 | usb_stor_BBB_reset(us); |
671 | return USB_STOR_TRANSPORT_FAILED; | |
672 | } | |
3e8581bb BT |
673 | if (!(us->flags & USB_READY)) |
674 | mdelay(5); | |
149dded2 WD |
675 | pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); |
676 | pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); | |
677 | /* DATA phase + error handling */ | |
149dded2 WD |
678 | data_actlen = 0; |
679 | /* no data, go immediately to the STATUS phase */ | |
680 | if (srb->datalen == 0) | |
681 | goto st; | |
ceb4972a | 682 | debug("DATA phase\n"); |
149dded2 WD |
683 | if (dir_in) |
684 | pipe = pipein; | |
685 | else | |
686 | pipe = pipeout; | |
f6570871 | 687 | |
a0cb3fc3 MT |
688 | result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, |
689 | &data_actlen, USB_CNTL_TIMEOUT * 5); | |
149dded2 | 690 | /* special handling of STALL in DATA phase */ |
a0cb3fc3 | 691 | if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 692 | debug("DATA:stall\n"); |
149dded2 | 693 | /* clear the STALL on the endpoint */ |
a0cb3fc3 MT |
694 | result = usb_stor_BBB_clear_endpt_stall(us, |
695 | dir_in ? us->ep_in : us->ep_out); | |
149dded2 WD |
696 | if (result >= 0) |
697 | /* continue on to STATUS phase */ | |
698 | goto st; | |
699 | } | |
700 | if (result < 0) { | |
ceb4972a VG |
701 | debug("usb_bulk_msg error status %ld\n", |
702 | us->pusb_dev->status); | |
149dded2 WD |
703 | usb_stor_BBB_reset(us); |
704 | return USB_STOR_TRANSPORT_FAILED; | |
705 | } | |
706 | #ifdef BBB_XPORT_TRACE | |
707 | for (index = 0; index < data_actlen; index++) | |
708 | printf("pdata[%d] %#x ", index, srb->pdata[index]); | |
709 | printf("\n"); | |
710 | #endif | |
711 | /* STATUS phase + error handling */ | |
a0cb3fc3 | 712 | st: |
149dded2 | 713 | retry = 0; |
a0cb3fc3 | 714 | again: |
ceb4972a | 715 | debug("STATUS phase\n"); |
f5766139 | 716 | result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa8 WD |
717 | &actlen, USB_CNTL_TIMEOUT*5); |
718 | ||
149dded2 | 719 | /* special handling of STALL in STATUS phase */ |
a0cb3fc3 MT |
720 | if ((result < 0) && (retry < 1) && |
721 | (us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a | 722 | debug("STATUS:stall\n"); |
149dded2 WD |
723 | /* clear the STALL on the endpoint */ |
724 | result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); | |
725 | if (result >= 0 && (retry++ < 1)) | |
726 | /* do a retry */ | |
727 | goto again; | |
728 | } | |
729 | if (result < 0) { | |
ceb4972a VG |
730 | debug("usb_bulk_msg error status %ld\n", |
731 | us->pusb_dev->status); | |
149dded2 WD |
732 | usb_stor_BBB_reset(us); |
733 | return USB_STOR_TRANSPORT_FAILED; | |
734 | } | |
735 | #ifdef BBB_XPORT_TRACE | |
f5766139 | 736 | ptr = (unsigned char *)csw; |
149dded2 WD |
737 | for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) |
738 | printf("ptr[%d] %#x ", index, ptr[index]); | |
739 | printf("\n"); | |
740 | #endif | |
741 | /* misuse pipe to get the residue */ | |
f5766139 | 742 | pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2 WD |
743 | if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) |
744 | pipe = srb->datalen - data_actlen; | |
f5766139 | 745 | if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a | 746 | debug("!CSWSIGNATURE\n"); |
149dded2 WD |
747 | usb_stor_BBB_reset(us); |
748 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 749 | } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a | 750 | debug("!Tag\n"); |
149dded2 WD |
751 | usb_stor_BBB_reset(us); |
752 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 753 | } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a | 754 | debug(">PHASE\n"); |
149dded2 WD |
755 | usb_stor_BBB_reset(us); |
756 | return USB_STOR_TRANSPORT_FAILED; | |
f5766139 | 757 | } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a | 758 | debug("=PHASE\n"); |
149dded2 WD |
759 | usb_stor_BBB_reset(us); |
760 | return USB_STOR_TRANSPORT_FAILED; | |
761 | } else if (data_actlen > srb->datalen) { | |
ceb4972a VG |
762 | debug("transferred %dB instead of %ldB\n", |
763 | data_actlen, srb->datalen); | |
149dded2 | 764 | return USB_STOR_TRANSPORT_FAILED; |
f5766139 | 765 | } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a | 766 | debug("FAILED\n"); |
149dded2 WD |
767 | return USB_STOR_TRANSPORT_FAILED; |
768 | } | |
769 | ||
770 | return result; | |
771 | } | |
772 | ||
199adb60 | 773 | static int usb_stor_CB_transport(ccb *srb, struct us_data *us) |
affae2bf | 774 | { |
a0cb3fc3 | 775 | int result, status; |
affae2bf WD |
776 | ccb *psrb; |
777 | ccb reqsrb; | |
a0cb3fc3 | 778 | int retry, notready; |
affae2bf | 779 | |
d0ff51ba | 780 | psrb = &reqsrb; |
a0cb3fc3 MT |
781 | status = USB_STOR_TRANSPORT_GOOD; |
782 | retry = 0; | |
783 | notready = 0; | |
affae2bf WD |
784 | /* issue the command */ |
785 | do_retry: | |
a0cb3fc3 | 786 | result = usb_stor_CB_comdat(srb, us); |
ceb4972a VG |
787 | debug("command / Data returned %d, status %lX\n", |
788 | result, us->pusb_dev->status); | |
affae2bf | 789 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
790 | if (us->protocol == US_PR_CBI) { |
791 | status = usb_stor_CBI_get_status(srb, us); | |
affae2bf | 792 | /* if the status is error, report it */ |
a0cb3fc3 | 793 | if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a | 794 | debug(" USB CBI Command Error\n"); |
affae2bf WD |
795 | return status; |
796 | } | |
a0cb3fc3 MT |
797 | srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); |
798 | srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); | |
799 | if (!us->ip_data) { | |
800 | /* if the status is good, report it */ | |
801 | if (status == USB_STOR_TRANSPORT_GOOD) { | |
ceb4972a | 802 | debug(" USB CBI Command Good\n"); |
affae2bf WD |
803 | return status; |
804 | } | |
805 | } | |
806 | } | |
807 | /* do we have to issue an auto request? */ | |
808 | /* HERE we have to check the result */ | |
a0cb3fc3 | 809 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a | 810 | debug("ERROR %lX\n", us->pusb_dev->status); |
affae2bf WD |
811 | us->transport_reset(us); |
812 | return USB_STOR_TRANSPORT_ERROR; | |
813 | } | |
a0cb3fc3 MT |
814 | if ((us->protocol == US_PR_CBI) && |
815 | ((srb->cmd[0] == SCSI_REQ_SENSE) || | |
816 | (srb->cmd[0] == SCSI_INQUIRY))) { | |
817 | /* do not issue an autorequest after request sense */ | |
ceb4972a | 818 | debug("No auto request and good\n"); |
affae2bf WD |
819 | return USB_STOR_TRANSPORT_GOOD; |
820 | } | |
821 | /* issue an request_sense */ | |
a0cb3fc3 MT |
822 | memset(&psrb->cmd[0], 0, 12); |
823 | psrb->cmd[0] = SCSI_REQ_SENSE; | |
824 | psrb->cmd[1] = srb->lun << 5; | |
825 | psrb->cmd[4] = 18; | |
826 | psrb->datalen = 18; | |
d0ff51ba | 827 | psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 | 828 | psrb->cmdlen = 12; |
affae2bf | 829 | /* issue the command */ |
a0cb3fc3 | 830 | result = usb_stor_CB_comdat(psrb, us); |
ceb4972a | 831 | debug("auto request returned %d\n", result); |
affae2bf | 832 | /* if this is an CBI Protocol, get IRQ */ |
a0cb3fc3 MT |
833 | if (us->protocol == US_PR_CBI) |
834 | status = usb_stor_CBI_get_status(psrb, us); | |
835 | ||
836 | if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { | |
ceb4972a VG |
837 | debug(" AUTO REQUEST ERROR %ld\n", |
838 | us->pusb_dev->status); | |
affae2bf WD |
839 | return USB_STOR_TRANSPORT_ERROR; |
840 | } | |
ceb4972a VG |
841 | debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", |
842 | srb->sense_buf[0], srb->sense_buf[2], | |
843 | srb->sense_buf[12], srb->sense_buf[13]); | |
affae2bf | 844 | /* Check the auto request result */ |
a0cb3fc3 MT |
845 | if ((srb->sense_buf[2] == 0) && |
846 | (srb->sense_buf[12] == 0) && | |
847 | (srb->sense_buf[13] == 0)) { | |
848 | /* ok, no sense */ | |
affae2bf | 849 | return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc3 MT |
850 | } |
851 | ||
affae2bf | 852 | /* Check the auto request result */ |
a0cb3fc3 MT |
853 | switch (srb->sense_buf[2]) { |
854 | case 0x01: | |
855 | /* Recovered Error */ | |
149dded2 | 856 | return USB_STOR_TRANSPORT_GOOD; |
80885a9d | 857 | break; |
a0cb3fc3 MT |
858 | case 0x02: |
859 | /* Not Ready */ | |
860 | if (notready++ > USB_TRANSPORT_NOT_READY_RETRY) { | |
861 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
862 | " 0x%02X (NOT READY)\n", srb->cmd[0], | |
863 | srb->sense_buf[0], srb->sense_buf[2], | |
864 | srb->sense_buf[12], srb->sense_buf[13]); | |
149dded2 WD |
865 | return USB_STOR_TRANSPORT_FAILED; |
866 | } else { | |
5b84dd67 | 867 | mdelay(100); |
149dded2 WD |
868 | goto do_retry; |
869 | } | |
870 | break; | |
871 | default: | |
a0cb3fc3 MT |
872 | if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { |
873 | printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" | |
874 | " 0x%02X\n", srb->cmd[0], srb->sense_buf[0], | |
875 | srb->sense_buf[2], srb->sense_buf[12], | |
876 | srb->sense_buf[13]); | |
149dded2 | 877 | return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc3 | 878 | } else |
149dded2 | 879 | goto do_retry; |
149dded2 | 880 | break; |
affae2bf WD |
881 | } |
882 | return USB_STOR_TRANSPORT_FAILED; | |
883 | } | |
884 | ||
885 | ||
a0cb3fc3 | 886 | static int usb_inquiry(ccb *srb, struct us_data *ss) |
affae2bf | 887 | { |
a0cb3fc3 MT |
888 | int retry, i; |
889 | retry = 5; | |
affae2bf | 890 | do { |
a0cb3fc3 MT |
891 | memset(&srb->cmd[0], 0, 12); |
892 | srb->cmd[0] = SCSI_INQUIRY; | |
99e9ed1f | 893 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
894 | srb->cmd[4] = 36; |
895 | srb->datalen = 36; | |
896 | srb->cmdlen = 12; | |
897 | i = ss->transport(srb, ss); | |
ceb4972a | 898 | debug("inquiry returns %d\n", i); |
a0cb3fc3 | 899 | if (i == 0) |
affae2bf | 900 | break; |
fac71cc4 | 901 | } while (--retry); |
149dded2 | 902 | |
a0cb3fc3 | 903 | if (!retry) { |
affae2bf WD |
904 | printf("error in inquiry\n"); |
905 | return -1; | |
906 | } | |
907 | return 0; | |
908 | } | |
909 | ||
a0cb3fc3 | 910 | static int usb_request_sense(ccb *srb, struct us_data *ss) |
affae2bf WD |
911 | { |
912 | char *ptr; | |
80885a9d | 913 | |
a0cb3fc3 MT |
914 | ptr = (char *)srb->pdata; |
915 | memset(&srb->cmd[0], 0, 12); | |
916 | srb->cmd[0] = SCSI_REQ_SENSE; | |
99e9ed1f | 917 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
918 | srb->cmd[4] = 18; |
919 | srb->datalen = 18; | |
d0ff51ba | 920 | srb->pdata = &srb->sense_buf[0]; |
a0cb3fc3 MT |
921 | srb->cmdlen = 12; |
922 | ss->transport(srb, ss); | |
ceb4972a VG |
923 | debug("Request Sense returned %02X %02X %02X\n", |
924 | srb->sense_buf[2], srb->sense_buf[12], | |
925 | srb->sense_buf[13]); | |
a0cb3fc3 | 926 | srb->pdata = (uchar *)ptr; |
affae2bf WD |
927 | return 0; |
928 | } | |
929 | ||
a0cb3fc3 | 930 | static int usb_test_unit_ready(ccb *srb, struct us_data *ss) |
affae2bf | 931 | { |
9c998aa8 | 932 | int retries = 10; |
149dded2 | 933 | |
affae2bf | 934 | do { |
a0cb3fc3 MT |
935 | memset(&srb->cmd[0], 0, 12); |
936 | srb->cmd[0] = SCSI_TST_U_RDY; | |
99e9ed1f | 937 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
938 | srb->datalen = 0; |
939 | srb->cmdlen = 12; | |
3e8581bb BT |
940 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { |
941 | ss->flags |= USB_READY; | |
affae2bf | 942 | return 0; |
3e8581bb | 943 | } |
a0cb3fc3 | 944 | usb_request_sense(srb, ss); |
8b57e2f0 VP |
945 | /* |
946 | * Check the Key Code Qualifier, if it matches | |
947 | * "Not Ready - medium not present" | |
948 | * (the sense Key equals 0x2 and the ASC is 0x3a) | |
949 | * return immediately as the medium being absent won't change | |
950 | * unless there is a user action. | |
951 | */ | |
952 | if ((srb->sense_buf[2] == 0x02) && | |
953 | (srb->sense_buf[12] == 0x3a)) | |
954 | return -1; | |
5b84dd67 | 955 | mdelay(100); |
a0cb3fc3 | 956 | } while (retries--); |
149dded2 | 957 | |
affae2bf WD |
958 | return -1; |
959 | } | |
960 | ||
a0cb3fc3 | 961 | static int usb_read_capacity(ccb *srb, struct us_data *ss) |
affae2bf WD |
962 | { |
963 | int retry; | |
a0cb3fc3 MT |
964 | /* XXX retries */ |
965 | retry = 3; | |
affae2bf | 966 | do { |
a0cb3fc3 MT |
967 | memset(&srb->cmd[0], 0, 12); |
968 | srb->cmd[0] = SCSI_RD_CAPAC; | |
99e9ed1f | 969 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
970 | srb->datalen = 8; |
971 | srb->cmdlen = 12; | |
972 | if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) | |
affae2bf | 973 | return 0; |
a0cb3fc3 | 974 | } while (retry--); |
149dded2 | 975 | |
affae2bf WD |
976 | return -1; |
977 | } | |
978 | ||
a0cb3fc3 MT |
979 | static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, |
980 | unsigned short blocks) | |
affae2bf | 981 | { |
a0cb3fc3 MT |
982 | memset(&srb->cmd[0], 0, 12); |
983 | srb->cmd[0] = SCSI_READ10; | |
99e9ed1f | 984 | srb->cmd[1] = srb->lun << 5; |
a0cb3fc3 MT |
985 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
986 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
987 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
988 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
989 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
990 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
991 | srb->cmdlen = 12; | |
ceb4972a | 992 | debug("read10: start %lx blocks %x\n", start, blocks); |
a0cb3fc3 | 993 | return ss->transport(srb, ss); |
affae2bf WD |
994 | } |
995 | ||
127e1084 MJ |
996 | static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, |
997 | unsigned short blocks) | |
998 | { | |
999 | memset(&srb->cmd[0], 0, 12); | |
1000 | srb->cmd[0] = SCSI_WRITE10; | |
99e9ed1f | 1001 | srb->cmd[1] = srb->lun << 5; |
127e1084 MJ |
1002 | srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; |
1003 | srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; | |
1004 | srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; | |
1005 | srb->cmd[5] = ((unsigned char) (start)) & 0xff; | |
1006 | srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; | |
1007 | srb->cmd[8] = (unsigned char) blocks & 0xff; | |
1008 | srb->cmdlen = 12; | |
ceb4972a | 1009 | debug("write10: start %lx blocks %x\n", start, blocks); |
127e1084 MJ |
1010 | return ss->transport(srb, ss); |
1011 | } | |
1012 | ||
affae2bf | 1013 | |
ddde6b7c BS |
1014 | #ifdef CONFIG_USB_BIN_FIXUP |
1015 | /* | |
1016 | * Some USB storage devices queried for SCSI identification data respond with | |
1017 | * binary strings, which if output to the console freeze the terminal. The | |
1018 | * workaround is to modify the vendor and product strings read from such | |
1019 | * device with proper values (as reported by 'usb info'). | |
1020 | * | |
1021 | * Vendor and product length limits are taken from the definition of | |
4101f687 | 1022 | * struct blk_desc in include/part.h. |
ddde6b7c BS |
1023 | */ |
1024 | static void usb_bin_fixup(struct usb_device_descriptor descriptor, | |
1025 | unsigned char vendor[], | |
1026 | unsigned char product[]) { | |
1027 | const unsigned char max_vendor_len = 40; | |
1028 | const unsigned char max_product_len = 20; | |
1029 | if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) { | |
a0cb3fc3 MT |
1030 | strncpy((char *)vendor, "SMSC", max_vendor_len); |
1031 | strncpy((char *)product, "Flash Media Cntrller", | |
1032 | max_product_len); | |
ddde6b7c BS |
1033 | } |
1034 | } | |
1035 | #endif /* CONFIG_USB_BIN_FIXUP */ | |
1036 | ||
4101f687 | 1037 | static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1038 | lbaint_t blkcnt, void *buffer) |
affae2bf | 1039 | { |
e81e79ed GB |
1040 | lbaint_t start, blks; |
1041 | uintptr_t buf_addr; | |
affae2bf | 1042 | unsigned short smallblks; |
9807c3b7 | 1043 | struct usb_device *udev; |
5dd95cf9 | 1044 | struct us_data *ss; |
84073b6f | 1045 | int retry; |
f8d813e3 WD |
1046 | ccb *srb = &usb_ccb; |
1047 | ||
1048 | if (blkcnt == 0) | |
1049 | return 0; | |
a0cb3fc3 | 1050 | /* Setup device */ |
9807c3b7 SG |
1051 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1052 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1053 | if (!udev) { | |
84073b6f SG |
1054 | debug("%s: No device\n", __func__); |
1055 | return 0; | |
affae2bf | 1056 | } |
9807c3b7 | 1057 | ss = (struct us_data *)udev->privptr; |
affae2bf WD |
1058 | |
1059 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
9807c3b7 | 1060 | srb->lun = block_dev->lun; |
f6570871 | 1061 | buf_addr = (uintptr_t)buffer; |
a0cb3fc3 MT |
1062 | start = blknr; |
1063 | blks = blkcnt; | |
a0cb3fc3 | 1064 | |
9807c3b7 SG |
1065 | debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1066 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
a0cb3fc3 | 1067 | |
affae2bf | 1068 | do { |
a0cb3fc3 MT |
1069 | /* XXX need some comment here */ |
1070 | retry = 2; | |
1071 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1072 | if (blks > USB_MAX_XFER_BLK) |
1073 | smallblks = USB_MAX_XFER_BLK; | |
a0cb3fc3 MT |
1074 | else |
1075 | smallblks = (unsigned short) blks; | |
affae2bf | 1076 | retry_it: |
4bee5c83 | 1077 | if (smallblks == USB_MAX_XFER_BLK) |
affae2bf | 1078 | usb_show_progress(); |
9807c3b7 | 1079 | srb->datalen = block_dev->blksz * smallblks; |
a0cb3fc3 | 1080 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1081 | if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a | 1082 | debug("Read ERROR\n"); |
5dd95cf9 | 1083 | usb_request_sense(srb, ss); |
a0cb3fc3 | 1084 | if (retry--) |
affae2bf | 1085 | goto retry_it; |
a0cb3fc3 | 1086 | blkcnt -= blks; |
affae2bf WD |
1087 | break; |
1088 | } | |
a0cb3fc3 MT |
1089 | start += smallblks; |
1090 | blks -= smallblks; | |
1091 | buf_addr += srb->datalen; | |
1092 | } while (blks != 0); | |
3e8581bb | 1093 | ss->flags &= ~USB_READY; |
a0cb3fc3 | 1094 | |
ceb4972a | 1095 | debug("usb_read: end startblk " LBAF |
4fd074de | 1096 | ", blccnt %x buffer %" PRIxPTR "\n", |
ceb4972a | 1097 | start, smallblks, buf_addr); |
a0cb3fc3 | 1098 | |
affae2bf | 1099 | usb_disable_asynch(0); /* asynch transfer allowed */ |
4bee5c83 | 1100 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1101 | debug("\n"); |
a0cb3fc3 | 1102 | return blkcnt; |
affae2bf WD |
1103 | } |
1104 | ||
4101f687 | 1105 | static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6 | 1106 | lbaint_t blkcnt, const void *buffer) |
127e1084 | 1107 | { |
e81e79ed GB |
1108 | lbaint_t start, blks; |
1109 | uintptr_t buf_addr; | |
127e1084 | 1110 | unsigned short smallblks; |
9807c3b7 | 1111 | struct usb_device *udev; |
5dd95cf9 | 1112 | struct us_data *ss; |
84073b6f | 1113 | int retry; |
127e1084 MJ |
1114 | ccb *srb = &usb_ccb; |
1115 | ||
1116 | if (blkcnt == 0) | |
1117 | return 0; | |
1118 | ||
127e1084 | 1119 | /* Setup device */ |
9807c3b7 SG |
1120 | debug("\nusb_read: udev %d\n", block_dev->devnum); |
1121 | udev = usb_dev_desc[block_dev->devnum].priv; | |
1122 | if (!udev) { | |
1123 | debug("%s: No device\n", __func__); | |
84073b6f | 1124 | return 0; |
9807c3b7 SG |
1125 | } |
1126 | ss = (struct us_data *)udev->privptr; | |
127e1084 MJ |
1127 | |
1128 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1129 | ||
9807c3b7 | 1130 | srb->lun = block_dev->lun; |
f6570871 | 1131 | buf_addr = (uintptr_t)buffer; |
127e1084 MJ |
1132 | start = blknr; |
1133 | blks = blkcnt; | |
127e1084 | 1134 | |
9807c3b7 SG |
1135 | debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" |
1136 | PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); | |
127e1084 MJ |
1137 | |
1138 | do { | |
1139 | /* If write fails retry for max retry count else | |
1140 | * return with number of blocks written successfully. | |
1141 | */ | |
1142 | retry = 2; | |
1143 | srb->pdata = (unsigned char *)buf_addr; | |
4bee5c83 BT |
1144 | if (blks > USB_MAX_XFER_BLK) |
1145 | smallblks = USB_MAX_XFER_BLK; | |
127e1084 MJ |
1146 | else |
1147 | smallblks = (unsigned short) blks; | |
1148 | retry_it: | |
4bee5c83 | 1149 | if (smallblks == USB_MAX_XFER_BLK) |
127e1084 | 1150 | usb_show_progress(); |
9807c3b7 | 1151 | srb->datalen = block_dev->blksz * smallblks; |
127e1084 | 1152 | srb->pdata = (unsigned char *)buf_addr; |
5dd95cf9 | 1153 | if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a | 1154 | debug("Write ERROR\n"); |
5dd95cf9 | 1155 | usb_request_sense(srb, ss); |
127e1084 MJ |
1156 | if (retry--) |
1157 | goto retry_it; | |
1158 | blkcnt -= blks; | |
1159 | break; | |
1160 | } | |
1161 | start += smallblks; | |
1162 | blks -= smallblks; | |
1163 | buf_addr += srb->datalen; | |
1164 | } while (blks != 0); | |
3e8581bb | 1165 | ss->flags &= ~USB_READY; |
127e1084 | 1166 | |
4fd074de SG |
1167 | debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" |
1168 | PRIxPTR "\n", start, smallblks, buf_addr); | |
127e1084 MJ |
1169 | |
1170 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
4bee5c83 | 1171 | if (blkcnt >= USB_MAX_XFER_BLK) |
226fa9bb | 1172 | debug("\n"); |
127e1084 MJ |
1173 | return blkcnt; |
1174 | ||
1175 | } | |
affae2bf WD |
1176 | |
1177 | /* Probe to see if a new device is actually a Storage device */ | |
a0cb3fc3 MT |
1178 | int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, |
1179 | struct us_data *ss) | |
affae2bf | 1180 | { |
8f8bd565 | 1181 | struct usb_interface *iface; |
affae2bf | 1182 | int i; |
605bd75a | 1183 | struct usb_endpoint_descriptor *ep_desc; |
affae2bf WD |
1184 | unsigned int flags = 0; |
1185 | ||
affae2bf WD |
1186 | /* let's examine the device now */ |
1187 | iface = &dev->config.if_desc[ifnum]; | |
1188 | ||
affae2bf | 1189 | if (dev->descriptor.bDeviceClass != 0 || |
8f8bd565 TR |
1190 | iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || |
1191 | iface->desc.bInterfaceSubClass < US_SC_MIN || | |
1192 | iface->desc.bInterfaceSubClass > US_SC_MAX) { | |
1d5827a1 | 1193 | debug("Not mass storage\n"); |
affae2bf WD |
1194 | /* if it's not a mass storage, we go no further */ |
1195 | return 0; | |
1196 | } | |
1197 | ||
9c998aa8 WD |
1198 | memset(ss, 0, sizeof(struct us_data)); |
1199 | ||
affae2bf | 1200 | /* At this point, we know we've got a live one */ |
ceb4972a | 1201 | debug("\n\nUSB Mass Storage device detected\n"); |
affae2bf WD |
1202 | |
1203 | /* Initialize the us_data structure with some useful info */ | |
1204 | ss->flags = flags; | |
1205 | ss->ifnum = ifnum; | |
1206 | ss->pusb_dev = dev; | |
1207 | ss->attention_done = 0; | |
f5fb78a2 TR |
1208 | ss->subclass = iface->desc.bInterfaceSubClass; |
1209 | ss->protocol = iface->desc.bInterfaceProtocol; | |
affae2bf WD |
1210 | |
1211 | /* set the handler pointers based on the protocol */ | |
ceb4972a | 1212 | debug("Transport: "); |
affae2bf WD |
1213 | switch (ss->protocol) { |
1214 | case US_PR_CB: | |
ceb4972a | 1215 | debug("Control/Bulk\n"); |
affae2bf WD |
1216 | ss->transport = usb_stor_CB_transport; |
1217 | ss->transport_reset = usb_stor_CB_reset; | |
1218 | break; | |
1219 | ||
1220 | case US_PR_CBI: | |
ceb4972a | 1221 | debug("Control/Bulk/Interrupt\n"); |
affae2bf WD |
1222 | ss->transport = usb_stor_CB_transport; |
1223 | ss->transport_reset = usb_stor_CB_reset; | |
1224 | break; | |
149dded2 | 1225 | case US_PR_BULK: |
ceb4972a | 1226 | debug("Bulk/Bulk/Bulk\n"); |
149dded2 WD |
1227 | ss->transport = usb_stor_BBB_transport; |
1228 | ss->transport_reset = usb_stor_BBB_reset; | |
1229 | break; | |
affae2bf | 1230 | default: |
80885a9d | 1231 | printf("USB Storage Transport unknown / not yet implemented\n"); |
affae2bf WD |
1232 | return 0; |
1233 | break; | |
1234 | } | |
1235 | ||
1236 | /* | |
1237 | * We are expecting a minimum of 2 endpoints - in and out (bulk). | |
1238 | * An optional interrupt is OK (necessary for CBI protocol). | |
1239 | * We will ignore any others. | |
1240 | */ | |
8f8bd565 | 1241 | for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75a | 1242 | ep_desc = &iface->ep_desc[i]; |
affae2bf | 1243 | /* is it an BULK endpoint? */ |
605bd75a | 1244 | if ((ep_desc->bmAttributes & |
a0cb3fc3 | 1245 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75a VG |
1246 | if (ep_desc->bEndpointAddress & USB_DIR_IN) |
1247 | ss->ep_in = ep_desc->bEndpointAddress & | |
1248 | USB_ENDPOINT_NUMBER_MASK; | |
affae2bf | 1249 | else |
a0cb3fc3 | 1250 | ss->ep_out = |
605bd75a | 1251 | ep_desc->bEndpointAddress & |
affae2bf WD |
1252 | USB_ENDPOINT_NUMBER_MASK; |
1253 | } | |
1254 | ||
1255 | /* is it an interrupt endpoint? */ | |
605bd75a VG |
1256 | if ((ep_desc->bmAttributes & |
1257 | USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { | |
1258 | ss->ep_int = ep_desc->bEndpointAddress & | |
1259 | USB_ENDPOINT_NUMBER_MASK; | |
1260 | ss->irqinterval = ep_desc->bInterval; | |
affae2bf WD |
1261 | } |
1262 | } | |
ceb4972a VG |
1263 | debug("Endpoints In %d Out %d Int %d\n", |
1264 | ss->ep_in, ss->ep_out, ss->ep_int); | |
affae2bf WD |
1265 | |
1266 | /* Do some basic sanity checks, and bail if we find a problem */ | |
8f8bd565 | 1267 | if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bf WD |
1268 | !ss->ep_in || !ss->ep_out || |
1269 | (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { | |
ceb4972a | 1270 | debug("Problems with device\n"); |
affae2bf WD |
1271 | return 0; |
1272 | } | |
1273 | /* set class specific stuff */ | |
149dded2 WD |
1274 | /* We only handle certain protocols. Currently, these are |
1275 | * the only ones. | |
80885a9d | 1276 | * The SFF8070 accepts the requests used in u-boot |
affae2bf | 1277 | */ |
80885a9d WD |
1278 | if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && |
1279 | ss->subclass != US_SC_8070) { | |
a0cb3fc3 | 1280 | printf("Sorry, protocol %d not yet supported.\n", ss->subclass); |
affae2bf WD |
1281 | return 0; |
1282 | } | |
a0cb3fc3 MT |
1283 | if (ss->ep_int) { |
1284 | /* we had found an interrupt endpoint, prepare irq pipe | |
1285 | * set up the IRQ pipe and handler | |
1286 | */ | |
affae2bf WD |
1287 | ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255; |
1288 | ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int); | |
1289 | ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); | |
a0cb3fc3 | 1290 | dev->irq_handle = usb_stor_irq; |
affae2bf | 1291 | } |
a0cb3fc3 | 1292 | dev->privptr = (void *)ss; |
affae2bf WD |
1293 | return 1; |
1294 | } | |
1295 | ||
a0cb3fc3 | 1296 | int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
4101f687 | 1297 | struct blk_desc *dev_desc) |
affae2bf | 1298 | { |
a0cb3fc3 | 1299 | unsigned char perq, modi; |
f6570871 ST |
1300 | ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); |
1301 | ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); | |
1302 | u32 capacity, blksz; | |
9c998aa8 WD |
1303 | ccb *pccb = &usb_ccb; |
1304 | ||
9c998aa8 WD |
1305 | pccb->pdata = usb_stor_buf; |
1306 | ||
1307 | dev_desc->target = dev->devnum; | |
1308 | pccb->lun = dev_desc->lun; | |
ceb4972a | 1309 | debug(" address %d\n", dev_desc->target); |
affae2bf | 1310 | |
1d5827a1 SG |
1311 | if (usb_inquiry(pccb, ss)) { |
1312 | debug("%s: usb_inquiry() failed\n", __func__); | |
affae2bf | 1313 | return -1; |
1d5827a1 | 1314 | } |
095b8a37 | 1315 | |
9c998aa8 WD |
1316 | perq = usb_stor_buf[0]; |
1317 | modi = usb_stor_buf[1]; | |
a0cb3fc3 | 1318 | |
6a559bbe SM |
1319 | /* |
1320 | * Skip unknown devices (0x1f) and enclosure service devices (0x0d), | |
1321 | * they would not respond to test_unit_ready . | |
1322 | */ | |
1323 | if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { | |
1d5827a1 | 1324 | debug("%s: unknown/unsupported device\n", __func__); |
a0cb3fc3 | 1325 | return 0; |
affae2bf | 1326 | } |
a0cb3fc3 MT |
1327 | if ((modi&0x80) == 0x80) { |
1328 | /* drive is removable */ | |
9c998aa8 | 1329 | dev_desc->removable = 1; |
affae2bf | 1330 | } |
f6570871 ST |
1331 | memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8); |
1332 | memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16); | |
1333 | memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4); | |
9c998aa8 WD |
1334 | dev_desc->vendor[8] = 0; |
1335 | dev_desc->product[16] = 0; | |
1336 | dev_desc->revision[4] = 0; | |
ddde6b7c | 1337 | #ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc3 MT |
1338 | usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, |
1339 | (uchar *)dev_desc->product); | |
ddde6b7c | 1340 | #endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a VG |
1341 | debug("ISO Vers %X, Response Data %X\n", usb_stor_buf[2], |
1342 | usb_stor_buf[3]); | |
a0cb3fc3 MT |
1343 | if (usb_test_unit_ready(pccb, ss)) { |
1344 | printf("Device NOT ready\n" | |
1345 | " Request Sense returned %02X %02X %02X\n", | |
1346 | pccb->sense_buf[2], pccb->sense_buf[12], | |
1347 | pccb->sense_buf[13]); | |
1348 | if (dev_desc->removable == 1) { | |
9c998aa8 | 1349 | dev_desc->type = perq; |
affae2bf WD |
1350 | return 1; |
1351 | } | |
a0cb3fc3 | 1352 | return 0; |
affae2bf | 1353 | } |
f6570871 | 1354 | pccb->pdata = (unsigned char *)cap; |
a0cb3fc3 MT |
1355 | memset(pccb->pdata, 0, 8); |
1356 | if (usb_read_capacity(pccb, ss) != 0) { | |
affae2bf | 1357 | printf("READ_CAP ERROR\n"); |
9c998aa8 WD |
1358 | cap[0] = 2880; |
1359 | cap[1] = 0x200; | |
affae2bf | 1360 | } |
3e8581bb | 1361 | ss->flags &= ~USB_READY; |
f6570871 | 1362 | debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]); |
affae2bf | 1363 | #if 0 |
a0cb3fc3 MT |
1364 | if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ |
1365 | cap[0] >>= 16; | |
f6570871 | 1366 | |
c918261c CE |
1367 | cap[0] = cpu_to_be32(cap[0]); |
1368 | cap[1] = cpu_to_be32(cap[1]); | |
f6570871 ST |
1369 | #endif |
1370 | ||
1371 | capacity = be32_to_cpu(cap[0]) + 1; | |
1372 | blksz = be32_to_cpu(cap[1]); | |
c918261c | 1373 | |
f6570871 ST |
1374 | debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz); |
1375 | dev_desc->lba = capacity; | |
1376 | dev_desc->blksz = blksz; | |
0472fbfd | 1377 | dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa8 | 1378 | dev_desc->type = perq; |
ceb4972a VG |
1379 | debug(" address %d\n", dev_desc->target); |
1380 | debug("partype: %d\n", dev_desc->part_type); | |
affae2bf | 1381 | |
3e8bd469 | 1382 | part_init(dev_desc); |
affae2bf | 1383 | |
ceb4972a | 1384 | debug("partype: %d\n", dev_desc->part_type); |
affae2bf WD |
1385 | return 1; |
1386 | } | |
acf277af SG |
1387 | |
1388 | #ifdef CONFIG_DM_USB | |
1389 | ||
1390 | static int usb_mass_storage_probe(struct udevice *dev) | |
1391 | { | |
bcbe3d15 | 1392 | struct usb_device *udev = dev_get_parent_priv(dev); |
acf277af SG |
1393 | int ret; |
1394 | ||
1395 | usb_disable_asynch(1); /* asynch transfer not allowed */ | |
1396 | ret = usb_stor_probe_device(udev); | |
1397 | usb_disable_asynch(0); /* asynch transfer allowed */ | |
1398 | ||
1399 | return ret; | |
1400 | } | |
1401 | ||
1402 | static const struct udevice_id usb_mass_storage_ids[] = { | |
1403 | { .compatible = "usb-mass-storage" }, | |
1404 | { } | |
1405 | }; | |
1406 | ||
1407 | U_BOOT_DRIVER(usb_mass_storage) = { | |
1408 | .name = "usb_mass_storage", | |
1409 | .id = UCLASS_MASS_STORAGE, | |
1410 | .of_match = usb_mass_storage_ids, | |
1411 | .probe = usb_mass_storage_probe, | |
1412 | }; | |
1413 | ||
1414 | UCLASS_DRIVER(usb_mass_storage) = { | |
1415 | .id = UCLASS_MASS_STORAGE, | |
1416 | .name = "usb_mass_storage", | |
1417 | }; | |
1418 | ||
1419 | static const struct usb_device_id mass_storage_id_table[] = { | |
1420 | { | |
1421 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, | |
1422 | .bInterfaceClass = USB_CLASS_MASS_STORAGE | |
1423 | }, | |
1424 | { } /* Terminating entry */ | |
1425 | }; | |
1426 | ||
abb59cff | 1427 | U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); |
acf277af SG |
1428 | |
1429 | #endif |