1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29#include <common.h>
30#include <command.h>
31#include <asm/processor.h>
32#include <linux/compiler.h>
33#include <linux/ctype.h>
34#include <asm/byteorder.h>
35#include <asm/unaligned.h>
36#include <errno.h>
37#include <usb.h>
38#ifdef CONFIG_4xx
39#include <asm/4xx_pci.h>
40#endif
41
42#define USB_BUFSIZ 512
43
44static struct usb_device usb_dev[USB_MAX_DEVICE];
45static int dev_index;
46static int asynch_allowed;
47
48char usb_started;
49
50#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
51#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
52#endif
53
54
55
56
57int usb_init(void)
58{
59 void *ctrl;
60 struct usb_device *dev;
61 int i, start_index = 0;
62 int controllers_initialized = 0;
63 int ret;
64
65 dev_index = 0;
66 asynch_allowed = 1;
67 usb_hub_reset();
68
69
70 for (i = 0; i < USB_MAX_DEVICE; i++) {
71 memset(&usb_dev[i], 0, sizeof(struct usb_device));
72 usb_dev[i].devnum = -1;
73 }
74
75
76 for (i = 0; i < CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
77
78 printf("USB%d: ", i);
79 ret = usb_lowlevel_init(i, USB_INIT_HOST, &ctrl);
80 if (ret == -ENODEV) {
81 puts("Port not available.\n");
82 controllers_initialized++;
83 continue;
84 }
85
86 if (ret) {
87 puts("lowlevel init failed\n");
88 continue;
89 }
90
91
92
93
94 controllers_initialized++;
95 start_index = dev_index;
96 printf("scanning bus %d for devices... ", i);
97 dev = usb_alloc_new_device(ctrl);
98
99
100
101
102 if (dev)
103 usb_new_device(dev);
104
105 if (start_index == dev_index)
106 puts("No USB Device found\n");
107 else
108 printf("%d USB Device(s) found\n",
109 dev_index - start_index);
110
111 usb_started = 1;
112 }
113
114 debug("scan end\n");
115
116 if (controllers_initialized == 0)
117 puts("USB error: all controllers failed lowlevel init\n");
118
119 return usb_started ? 0 : -1;
120}
121
122
123
124
125int usb_stop(void)
126{
127 int i;
128
129 if (usb_started) {
130 asynch_allowed = 1;
131 usb_started = 0;
132 usb_hub_reset();
133
134 for (i = 0; i < CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
135 if (usb_lowlevel_stop(i))
136 printf("failed to stop USB controller %d\n", i);
137 }
138 }
139
140 return 0;
141}
142
143
144
145
146
147
148int usb_disable_asynch(int disable)
149{
150 int old_value = asynch_allowed;
151
152 asynch_allowed = !disable;
153 return old_value;
154}
155
156
157
158
159
160
161
162
163
164
165int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe,
166 void *buffer, int transfer_len, int interval)
167{
168 return submit_int_msg(dev, pipe, buffer, transfer_len, interval);
169}
170
171
172
173
174
175
176
177
178
179
180int usb_control_msg(struct usb_device *dev, unsigned int pipe,
181 unsigned char request, unsigned char requesttype,
182 unsigned short value, unsigned short index,
183 void *data, unsigned short size, int timeout)
184{
185 ALLOC_CACHE_ALIGN_BUFFER(struct devrequest, setup_packet, 1);
186
187 if ((timeout == 0) && (!asynch_allowed)) {
188
189 return -1;
190 }
191
192
193 setup_packet->requesttype = requesttype;
194 setup_packet->request = request;
195 setup_packet->value = cpu_to_le16(value);
196 setup_packet->index = cpu_to_le16(index);
197 setup_packet->length = cpu_to_le16(size);
198 debug("usb_control_msg: request: 0x%X, requesttype: 0x%X, " \
199 "value 0x%X index 0x%X length 0x%X\n",
200 request, requesttype, value, index, size);
201 dev->status = USB_ST_NOT_PROC;
202
203 if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0)
204 return -1;
205 if (timeout == 0)
206 return (int)size;
207
208
209
210
211
212
213 while (timeout--) {
214 if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC))
215 break;
216 mdelay(1);
217 }
218 if (dev->status)
219 return -1;
220
221 return dev->act_len;
222
223}
224
225
226
227
228
229
230int usb_bulk_msg(struct usb_device *dev, unsigned int pipe,
231 void *data, int len, int *actual_length, int timeout)
232{
233 if (len < 0)
234 return -1;
235 dev->status = USB_ST_NOT_PROC;
236 if (submit_bulk_msg(dev, pipe, data, len) < 0)
237 return -1;
238 while (timeout--) {
239 if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC))
240 break;
241 mdelay(1);
242 }
243 *actual_length = dev->act_len;
244 if (dev->status == 0)
245 return 0;
246 else
247 return -1;
248}
249
250
251
252
253
254
255
256
257
258
259int usb_maxpacket(struct usb_device *dev, unsigned long pipe)
260{
261
262 if ((pipe & USB_DIR_IN) == 0)
263 return dev->epmaxpacketout[((pipe>>15) & 0xf)];
264 else
265 return dev->epmaxpacketin[((pipe>>15) & 0xf)];
266}
267
268
269
270
271
272
273
274
275
276
277
278
279static void noinline
280usb_set_maxpacket_ep(struct usb_device *dev, int if_idx, int ep_idx)
281{
282 int b;
283 struct usb_endpoint_descriptor *ep;
284 u16 ep_wMaxPacketSize;
285
286 ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx];
287
288 b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
289 ep_wMaxPacketSize = get_unaligned(&ep->wMaxPacketSize);
290
291 if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
292 USB_ENDPOINT_XFER_CONTROL) {
293
294 dev->epmaxpacketout[b] = ep_wMaxPacketSize;
295 dev->epmaxpacketin[b] = ep_wMaxPacketSize;
296 debug("##Control EP epmaxpacketout/in[%d] = %d\n",
297 b, dev->epmaxpacketin[b]);
298 } else {
299 if ((ep->bEndpointAddress & 0x80) == 0) {
300
301 if (ep_wMaxPacketSize > dev->epmaxpacketout[b]) {
302 dev->epmaxpacketout[b] = ep_wMaxPacketSize;
303 debug("##EP epmaxpacketout[%d] = %d\n",
304 b, dev->epmaxpacketout[b]);
305 }
306 } else {
307
308 if (ep_wMaxPacketSize > dev->epmaxpacketin[b]) {
309 dev->epmaxpacketin[b] = ep_wMaxPacketSize;
310 debug("##EP epmaxpacketin[%d] = %d\n",
311 b, dev->epmaxpacketin[b]);
312 }
313 }
314 }
315}
316
317
318
319
320static int usb_set_maxpacket(struct usb_device *dev)
321{
322 int i, ii;
323
324 for (i = 0; i < dev->config.desc.bNumInterfaces; i++)
325 for (ii = 0; ii < dev->config.if_desc[i].desc.bNumEndpoints; ii++)
326 usb_set_maxpacket_ep(dev, i, ii);
327
328 return 0;
329}
330
331
332
333
334
335
336static int usb_parse_config(struct usb_device *dev,
337 unsigned char *buffer, int cfgno)
338{
339 struct usb_descriptor_header *head;
340 int index, ifno, epno, curr_if_num;
341 u16 ep_wMaxPacketSize;
342 struct usb_interface *if_desc = NULL;
343
344 ifno = -1;
345 epno = -1;
346 curr_if_num = -1;
347
348 dev->configno = cfgno;
349 head = (struct usb_descriptor_header *) &buffer[0];
350 if (head->bDescriptorType != USB_DT_CONFIG) {
351 printf(" ERROR: NOT USB_CONFIG_DESC %x\n",
352 head->bDescriptorType);
353 return -1;
354 }
355 if (head->bLength != USB_DT_CONFIG_SIZE) {
356 printf("ERROR: Invalid USB CFG length (%d)\n", head->bLength);
357 return -1;
358 }
359 memcpy(&dev->config, head, USB_DT_CONFIG_SIZE);
360 dev->config.no_of_if = 0;
361
362 index = dev->config.desc.bLength;
363
364
365 head = (struct usb_descriptor_header *) &buffer[index];
366 while (index + 1 < dev->config.desc.wTotalLength && head->bLength) {
367 switch (head->bDescriptorType) {
368 case USB_DT_INTERFACE:
369 if (head->bLength != USB_DT_INTERFACE_SIZE) {
370 printf("ERROR: Invalid USB IF length (%d)\n",
371 head->bLength);
372 break;
373 }
374 if (index + USB_DT_INTERFACE_SIZE >
375 dev->config.desc.wTotalLength) {
376 puts("USB IF descriptor overflowed buffer!\n");
377 break;
378 }
379 if (((struct usb_interface_descriptor *) \
380 head)->bInterfaceNumber != curr_if_num) {
381
382 ifno = dev->config.no_of_if;
383 if (ifno >= USB_MAXINTERFACES) {
384 puts("Too many USB interfaces!\n");
385
386 return 1;
387 }
388 if_desc = &dev->config.if_desc[ifno];
389 dev->config.no_of_if++;
390 memcpy(if_desc, head,
391 USB_DT_INTERFACE_SIZE);
392 if_desc->no_of_ep = 0;
393 if_desc->num_altsetting = 1;
394 curr_if_num =
395 if_desc->desc.bInterfaceNumber;
396 } else {
397
398 if (ifno >= 0) {
399 if_desc = &dev->config.if_desc[ifno];
400 if_desc->num_altsetting++;
401 }
402 }
403 break;
404 case USB_DT_ENDPOINT:
405 if (head->bLength != USB_DT_ENDPOINT_SIZE) {
406 printf("ERROR: Invalid USB EP length (%d)\n",
407 head->bLength);
408 break;
409 }
410 if (index + USB_DT_ENDPOINT_SIZE >
411 dev->config.desc.wTotalLength) {
412 puts("USB EP descriptor overflowed buffer!\n");
413 break;
414 }
415 if (ifno < 0) {
416 puts("Endpoint descriptor out of order!\n");
417 break;
418 }
419 epno = dev->config.if_desc[ifno].no_of_ep;
420 if_desc = &dev->config.if_desc[ifno];
421 if (epno > USB_MAXENDPOINTS) {
422 printf("Interface %d has too many endpoints!\n",
423 if_desc->desc.bInterfaceNumber);
424 return 1;
425 }
426
427 if_desc->no_of_ep++;
428 memcpy(&if_desc->ep_desc[epno], head,
429 USB_DT_ENDPOINT_SIZE);
430 ep_wMaxPacketSize = get_unaligned(&dev->config.\
431 if_desc[ifno].\
432 ep_desc[epno].\
433 wMaxPacketSize);
434 put_unaligned(le16_to_cpu(ep_wMaxPacketSize),
435 &dev->config.\
436 if_desc[ifno].\
437 ep_desc[epno].\
438 wMaxPacketSize);
439 debug("if %d, ep %d\n", ifno, epno);
440 break;
441 case USB_DT_SS_ENDPOINT_COMP:
442 if (head->bLength != USB_DT_SS_EP_COMP_SIZE) {
443 printf("ERROR: Invalid USB EPC length (%d)\n",
444 head->bLength);
445 break;
446 }
447 if (index + USB_DT_SS_EP_COMP_SIZE >
448 dev->config.desc.wTotalLength) {
449 puts("USB EPC descriptor overflowed buffer!\n");
450 break;
451 }
452 if (ifno < 0 || epno < 0) {
453 puts("EPC descriptor out of order!\n");
454 break;
455 }
456 if_desc = &dev->config.if_desc[ifno];
457 memcpy(&if_desc->ss_ep_comp_desc[epno], head,
458 USB_DT_SS_EP_COMP_SIZE);
459 break;
460 default:
461 if (head->bLength == 0)
462 return 1;
463
464 debug("unknown Description Type : %x\n",
465 head->bDescriptorType);
466
467#ifdef DEBUG
468 {
469 unsigned char *ch = (unsigned char *)head;
470 int i;
471
472 for (i = 0; i < head->bLength; i++)
473 debug("%02X ", *ch++);
474 debug("\n\n\n");
475 }
476#endif
477 break;
478 }
479 index += head->bLength;
480 head = (struct usb_descriptor_header *)&buffer[index];
481 }
482 return 1;
483}
484
485
486
487
488
489
490int usb_clear_halt(struct usb_device *dev, int pipe)
491{
492 int result;
493 int endp = usb_pipeendpoint(pipe)|(usb_pipein(pipe)<<7);
494
495 result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
496 USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0,
497 endp, NULL, 0, USB_CNTL_TIMEOUT * 3);
498
499
500 if (result < 0)
501 return result;
502
503
504
505
506
507
508 usb_endpoint_running(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe));
509
510
511 usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0);
512 return 0;
513}
514
515
516
517
518
519static int usb_get_descriptor(struct usb_device *dev, unsigned char type,
520 unsigned char index, void *buf, int size)
521{
522 int res;
523 res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
524 USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
525 (type << 8) + index, 0,
526 buf, size, USB_CNTL_TIMEOUT);
527 return res;
528}
529
530
531
532
533int usb_get_configuration_no(struct usb_device *dev,
534 unsigned char *buffer, int cfgno)
535{
536 int result;
537 unsigned int length;
538 struct usb_config_descriptor *config;
539
540 config = (struct usb_config_descriptor *)&buffer[0];
541 result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9);
542 if (result < 9) {
543 if (result < 0)
544 printf("unable to get descriptor, error %lX\n",
545 dev->status);
546 else
547 printf("config descriptor too short " \
548 "(expected %i, got %i)\n", 9, result);
549 return -1;
550 }
551 length = le16_to_cpu(config->wTotalLength);
552
553 if (length > USB_BUFSIZ) {
554 printf("%s: failed to get descriptor - too long: %d\n",
555 __func__, length);
556 return -1;
557 }
558
559 result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, length);
560 debug("get_conf_no %d Result %d, wLength %d\n", cfgno, result, length);
561 config->wTotalLength = length;
562
563 return result;
564}
565
566
567
568
569
570static int usb_set_address(struct usb_device *dev)
571{
572 int res;
573
574 debug("set address %d\n", dev->devnum);
575 res = usb_control_msg(dev, usb_snddefctrl(dev),
576 USB_REQ_SET_ADDRESS, 0,
577 (dev->devnum), 0,
578 NULL, 0, USB_CNTL_TIMEOUT);
579 return res;
580}
581
582
583
584
585int usb_set_interface(struct usb_device *dev, int interface, int alternate)
586{
587 struct usb_interface *if_face = NULL;
588 int ret, i;
589
590 for (i = 0; i < dev->config.desc.bNumInterfaces; i++) {
591 if (dev->config.if_desc[i].desc.bInterfaceNumber == interface) {
592 if_face = &dev->config.if_desc[i];
593 break;
594 }
595 }
596 if (!if_face) {
597 printf("selecting invalid interface %d", interface);
598 return -1;
599 }
600
601
602
603
604
605
606
607 if (if_face->num_altsetting == 1)
608 return 0;
609
610 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
611 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
612 alternate, interface, NULL, 0,
613 USB_CNTL_TIMEOUT * 5);
614 if (ret < 0)
615 return ret;
616
617 return 0;
618}
619
620
621
622
623static int usb_set_configuration(struct usb_device *dev, int configuration)
624{
625 int res;
626 debug("set configuration %d\n", configuration);
627
628 res = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
629 USB_REQ_SET_CONFIGURATION, 0,
630 configuration, 0,
631 NULL, 0, USB_CNTL_TIMEOUT);
632 if (res == 0) {
633 dev->toggle[0] = 0;
634 dev->toggle[1] = 0;
635 return 0;
636 } else
637 return -1;
638}
639
640
641
642
643int usb_set_protocol(struct usb_device *dev, int ifnum, int protocol)
644{
645 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
646 USB_REQ_SET_PROTOCOL, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
647 protocol, ifnum, NULL, 0, USB_CNTL_TIMEOUT);
648}
649
650
651
652
653int usb_set_idle(struct usb_device *dev, int ifnum, int duration, int report_id)
654{
655 return usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
656 USB_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
657 (duration << 8) | report_id, ifnum, NULL, 0, USB_CNTL_TIMEOUT);
658}
659
660
661
662
663int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type,
664 unsigned char id, void *buf, int size)
665{
666 return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
667 USB_REQ_GET_REPORT,
668 USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
669 (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT);
670}
671
672
673
674
675int usb_get_class_descriptor(struct usb_device *dev, int ifnum,
676 unsigned char type, unsigned char id, void *buf, int size)
677{
678 return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
679 USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN,
680 (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT);
681}
682
683
684
685
686static int usb_get_string(struct usb_device *dev, unsigned short langid,
687 unsigned char index, void *buf, int size)
688{
689 int i;
690 int result;
691
692 for (i = 0; i < 3; ++i) {
693
694 result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
695 USB_REQ_GET_DESCRIPTOR, USB_DIR_IN,
696 (USB_DT_STRING << 8) + index, langid, buf, size,
697 USB_CNTL_TIMEOUT);
698
699 if (result > 0)
700 break;
701 }
702
703 return result;
704}
705
706
707static void usb_try_string_workarounds(unsigned char *buf, int *length)
708{
709 int newlength, oldlength = *length;
710
711 for (newlength = 2; newlength + 1 < oldlength; newlength += 2)
712 if (!isprint(buf[newlength]) || buf[newlength + 1])
713 break;
714
715 if (newlength > 2) {
716 buf[0] = newlength;
717 *length = newlength;
718 }
719}
720
721
722static int usb_string_sub(struct usb_device *dev, unsigned int langid,
723 unsigned int index, unsigned char *buf)
724{
725 int rc;
726
727
728
729 rc = usb_get_string(dev, langid, index, buf, 255);
730
731
732
733 if (rc < 2) {
734 rc = usb_get_string(dev, langid, index, buf, 2);
735 if (rc == 2)
736 rc = usb_get_string(dev, langid, index, buf, buf[0]);
737 }
738
739 if (rc >= 2) {
740 if (!buf[0] && !buf[1])
741 usb_try_string_workarounds(buf, &rc);
742
743
744 if (buf[0] < rc)
745 rc = buf[0];
746
747 rc = rc - (rc & 1);
748 }
749
750 if (rc < 2)
751 rc = -1;
752
753 return rc;
754}
755
756
757
758
759
760
761
762int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
763{
764 ALLOC_CACHE_ALIGN_BUFFER(unsigned char, mybuf, USB_BUFSIZ);
765 unsigned char *tbuf;
766 int err;
767 unsigned int u, idx;
768
769 if (size <= 0 || !buf || !index)
770 return -1;
771 buf[0] = 0;
772 tbuf = &mybuf[0];
773
774
775 if (!dev->have_langid) {
776 err = usb_string_sub(dev, 0, 0, tbuf);
777 if (err < 0) {
778 debug("error getting string descriptor 0 " \
779 "(error=%lx)\n", dev->status);
780 return -1;
781 } else if (tbuf[0] < 4) {
782 debug("string descriptor 0 too short\n");
783 return -1;
784 } else {
785 dev->have_langid = -1;
786 dev->string_langid = tbuf[2] | (tbuf[3] << 8);
787
788 debug("USB device number %d default " \
789 "language ID 0x%x\n",
790 dev->devnum, dev->string_langid);
791 }
792 }
793
794 err = usb_string_sub(dev, dev->string_langid, index, tbuf);
795 if (err < 0)
796 return err;
797
798 size--;
799 for (idx = 0, u = 2; u < err; u += 2) {
800 if (idx >= size)
801 break;
802 if (tbuf[u+1])
803 buf[idx++] = '?';
804 else
805 buf[idx++] = tbuf[u];
806 }
807 buf[idx] = 0;
808 err = idx;
809 return err;
810}
811
812
813
814
815
816
817
818
819
820
821
822struct usb_device *usb_get_dev_index(int index)
823{
824 if (usb_dev[index].devnum == -1)
825 return NULL;
826 else
827 return &usb_dev[index];
828}
829
830
831
832
833struct usb_device *usb_alloc_new_device(void *controller)
834{
835 int i;
836 debug("New Device %d\n", dev_index);
837 if (dev_index == USB_MAX_DEVICE) {
838 printf("ERROR, too many USB Devices, max=%d\n", USB_MAX_DEVICE);
839 return NULL;
840 }
841
842 usb_dev[dev_index].devnum = dev_index + 1;
843 usb_dev[dev_index].maxchild = 0;
844 for (i = 0; i < USB_MAXCHILDREN; i++)
845 usb_dev[dev_index].children[i] = NULL;
846 usb_dev[dev_index].parent = NULL;
847 usb_dev[dev_index].controller = controller;
848 dev_index++;
849 return &usb_dev[dev_index - 1];
850}
851
852
853
854
855
856
857void usb_free_device(void)
858{
859 dev_index--;
860 debug("Freeing device node: %d\n", dev_index);
861 memset(&usb_dev[dev_index], 0, sizeof(struct usb_device));
862 usb_dev[dev_index].devnum = -1;
863}
864
865
866
867
868
869
870
871__weak int usb_alloc_device(struct usb_device *udev)
872{
873 return 0;
874}
875
876
877
878
879
880
881
882int usb_new_device(struct usb_device *dev)
883{
884 int addr, err;
885 int tmp;
886 ALLOC_CACHE_ALIGN_BUFFER(unsigned char, tmpbuf, USB_BUFSIZ);
887
888
889
890
891
892
893
894 if (usb_alloc_device(dev)) {
895 printf("Cannot allocate device context to get SLOT_ID\n");
896 return -1;
897 }
898
899
900 addr = dev->devnum;
901 dev->devnum = 0;
902
903#ifdef CONFIG_LEGACY_USB_INIT_SEQ
904
905
906
907
908
909 dev->descriptor.bMaxPacketSize0 = 8;
910 dev->maxpacketsize = PACKET_SIZE_8;
911 dev->epmaxpacketin[0] = 8;
912 dev->epmaxpacketout[0] = 8;
913
914 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, 8);
915 if (err < 8) {
916 printf("\n USB device not responding, " \
917 "giving up (status=%lX)\n", dev->status);
918 return 1;
919 }
920 memcpy(&dev->descriptor, tmpbuf, 8);
921#else
922
923
924
925
926
927
928
929 __maybe_unused struct usb_device_descriptor *desc;
930 struct usb_device *parent = dev->parent;
931 unsigned short portstatus;
932
933
934
935
936
937
938 desc = (struct usb_device_descriptor *)tmpbuf;
939 dev->descriptor.bMaxPacketSize0 = 64;
940
941 dev->maxpacketsize = PACKET_SIZE_64;
942 dev->epmaxpacketin[0] = 64;
943 dev->epmaxpacketout[0] = 64;
944
945
946
947
948
949
950
951#ifndef CONFIG_USB_XHCI
952 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64);
953 if (err < 0) {
954 debug("usb_new_device: usb_get_descriptor() failed\n");
955 return 1;
956 }
957
958 dev->descriptor.bMaxPacketSize0 = desc->bMaxPacketSize0;
959
960
961
962
963 dev->descriptor.bDeviceClass = desc->bDeviceClass;
964#endif
965
966 if (parent) {
967
968 err = hub_port_reset(dev->parent, dev->portnr - 1, &portstatus);
969 if (err < 0) {
970 printf("\n Couldn't reset port %i\n", dev->portnr);
971 return 1;
972 }
973 } else {
974 usb_reset_root_port();
975 }
976#endif
977
978 dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0;
979 dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0;
980 switch (dev->descriptor.bMaxPacketSize0) {
981 case 8:
982 dev->maxpacketsize = PACKET_SIZE_8;
983 break;
984 case 16:
985 dev->maxpacketsize = PACKET_SIZE_16;
986 break;
987 case 32:
988 dev->maxpacketsize = PACKET_SIZE_32;
989 break;
990 case 64:
991 dev->maxpacketsize = PACKET_SIZE_64;
992 break;
993 }
994 dev->devnum = addr;
995
996 err = usb_set_address(dev);
997
998 if (err < 0) {
999 printf("\n USB device not accepting new address " \
1000 "(error=%lX)\n", dev->status);
1001 return 1;
1002 }
1003
1004 mdelay(10);
1005
1006 tmp = sizeof(dev->descriptor);
1007
1008 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
1009 tmpbuf, sizeof(dev->descriptor));
1010 if (err < tmp) {
1011 if (err < 0)
1012 printf("unable to get device descriptor (error=%d)\n",
1013 err);
1014 else
1015 printf("USB device descriptor short read " \
1016 "(expected %i, got %i)\n", tmp, err);
1017 return 1;
1018 }
1019 memcpy(&dev->descriptor, tmpbuf, sizeof(dev->descriptor));
1020
1021 le16_to_cpus(&dev->descriptor.bcdUSB);
1022 le16_to_cpus(&dev->descriptor.idVendor);
1023 le16_to_cpus(&dev->descriptor.idProduct);
1024 le16_to_cpus(&dev->descriptor.bcdDevice);
1025
1026 err = usb_get_configuration_no(dev, tmpbuf, 0);
1027 if (err < 0) {
1028 printf("usb_new_device: Cannot read configuration, " \
1029 "skipping device %04x:%04x\n",
1030 dev->descriptor.idVendor, dev->descriptor.idProduct);
1031 return -1;
1032 }
1033 usb_parse_config(dev, tmpbuf, 0);
1034 usb_set_maxpacket(dev);
1035
1036 if (usb_set_configuration(dev, dev->config.desc.bConfigurationValue)) {
1037 printf("failed to set default configuration " \
1038 "len %d, status %lX\n", dev->act_len, dev->status);
1039 return -1;
1040 }
1041 debug("new device strings: Mfr=%d, Product=%d, SerialNumber=%d\n",
1042 dev->descriptor.iManufacturer, dev->descriptor.iProduct,
1043 dev->descriptor.iSerialNumber);
1044 memset(dev->mf, 0, sizeof(dev->mf));
1045 memset(dev->prod, 0, sizeof(dev->prod));
1046 memset(dev->serial, 0, sizeof(dev->serial));
1047 if (dev->descriptor.iManufacturer)
1048 usb_string(dev, dev->descriptor.iManufacturer,
1049 dev->mf, sizeof(dev->mf));
1050 if (dev->descriptor.iProduct)
1051 usb_string(dev, dev->descriptor.iProduct,
1052 dev->prod, sizeof(dev->prod));
1053 if (dev->descriptor.iSerialNumber)
1054 usb_string(dev, dev->descriptor.iSerialNumber,
1055 dev->serial, sizeof(dev->serial));
1056 debug("Manufacturer %s\n", dev->mf);
1057 debug("Product %s\n", dev->prod);
1058 debug("SerialNumber %s\n", dev->serial);
1059
1060 usb_hub_probe(dev, 0);
1061 return 0;
1062}
1063
1064__weak
1065int board_usb_init(int index, enum usb_init_type init)
1066{
1067 return 0;
1068}
1069
1070