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