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Commit | Line | Data |
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affae2bf | 1 | /* |
affae2bf | 2 | * Most of this source has been derived from the Linux USB |
460c322f WD |
3 | * project: |
4 | * (C) Copyright Linus Torvalds 1999 | |
5 | * (C) Copyright Johannes Erdfelt 1999-2001 | |
6 | * (C) Copyright Andreas Gal 1999 | |
7 | * (C) Copyright Gregory P. Smith 1999 | |
8 | * (C) Copyright Deti Fliegl 1999 (new USB architecture) | |
9 | * (C) Copyright Randy Dunlap 2000 | |
10 | * (C) Copyright David Brownell 2000 (kernel hotplug, usb_device_id) | |
11 | * (C) Copyright Yggdrasil Computing, Inc. 2000 | |
12 | * (usb_device_id matching changes by Adam J. Richter) | |
13 | * | |
14 | * Adapted for U-Boot: | |
15 | * (C) Copyright 2001 Denis Peter, MPL AG Switzerland | |
affae2bf | 16 | * |
1a459660 | 17 | * SPDX-License-Identifier: GPL-2.0+ |
affae2bf WD |
18 | */ |
19 | ||
affae2bf WD |
20 | /* |
21 | * How it works: | |
22 | * | |
23 | * Since this is a bootloader, the devices will not be automatic | |
24 | * (re)configured on hotplug, but after a restart of the USB the | |
25 | * device should work. | |
26 | * | |
27 | * For each transfer (except "Interrupt") we wait for completion. | |
28 | */ | |
29 | #include <common.h> | |
30 | #include <command.h> | |
31 | #include <asm/processor.h> | |
66cf6410 | 32 | #include <linux/compiler.h> |
9c998aa8 | 33 | #include <linux/ctype.h> |
c918261c | 34 | #include <asm/byteorder.h> |
b2fb47f1 | 35 | #include <asm/unaligned.h> |
97b9eb9e | 36 | #include <errno.h> |
affae2bf WD |
37 | #include <usb.h> |
38 | #ifdef CONFIG_4xx | |
3048bcbf | 39 | #include <asm/4xx_pci.h> |
affae2bf WD |
40 | #endif |
41 | ||
cd0a9de6 WD |
42 | #define USB_BUFSIZ 512 |
43 | ||
affae2bf WD |
44 | static struct usb_device usb_dev[USB_MAX_DEVICE]; |
45 | static int dev_index; | |
affae2bf | 46 | static int asynch_allowed; |
affae2bf | 47 | |
e51aae38 BS |
48 | char usb_started; /* flag for the started/stopped USB status */ |
49 | ||
93c2582f LS |
50 | #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT |
51 | #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 | |
52 | #endif | |
affae2bf | 53 | |
affae2bf WD |
54 | /*************************************************************************** |
55 | * Init USB Device | |
56 | */ | |
affae2bf WD |
57 | int usb_init(void) |
58 | { | |
93c2582f LS |
59 | void *ctrl; |
60 | struct usb_device *dev; | |
61 | int i, start_index = 0; | |
97b9eb9e | 62 | int ret; |
affae2bf | 63 | |
6f5794a6 RB |
64 | dev_index = 0; |
65 | asynch_allowed = 1; | |
affae2bf | 66 | usb_hub_reset(); |
93c2582f LS |
67 | |
68 | /* first make all devices unknown */ | |
69 | for (i = 0; i < USB_MAX_DEVICE; i++) { | |
70 | memset(&usb_dev[i], 0, sizeof(struct usb_device)); | |
71 | usb_dev[i].devnum = -1; | |
72 | } | |
73 | ||
affae2bf | 74 | /* init low_level USB */ |
93c2582f LS |
75 | for (i = 0; i < CONFIG_USB_MAX_CONTROLLER_COUNT; i++) { |
76 | /* init low_level USB */ | |
77 | printf("USB%d: ", i); | |
97b9eb9e MV |
78 | ret = usb_lowlevel_init(i, USB_INIT_HOST, &ctrl); |
79 | if (ret == -ENODEV) { /* No such device. */ | |
80 | puts("Port not available.\n"); | |
81 | continue; | |
82 | } | |
83 | ||
84 | if (ret) { /* Other error. */ | |
93c2582f LS |
85 | puts("lowlevel init failed\n"); |
86 | continue; | |
87 | } | |
88 | /* | |
89 | * lowlevel init is OK, now scan the bus for devices | |
90 | * i.e. search HUBs and configure them | |
91 | */ | |
92 | start_index = dev_index; | |
93 | printf("scanning bus %d for devices... ", i); | |
94 | dev = usb_alloc_new_device(ctrl); | |
95 | /* | |
96 | * device 0 is always present | |
97 | * (root hub, so let it analyze) | |
98 | */ | |
99 | if (dev) | |
100 | usb_new_device(dev); | |
101 | ||
102 | if (start_index == dev_index) | |
103 | puts("No USB Device found\n"); | |
104 | else | |
105 | printf("%d USB Device(s) found\n", | |
106 | dev_index - start_index); | |
107 | ||
e51aae38 | 108 | usb_started = 1; |
93c2582f LS |
109 | } |
110 | ||
ceb4972a | 111 | debug("scan end\n"); |
93c2582f LS |
112 | /* if we were not able to find at least one working bus, bail out */ |
113 | if (!usb_started) { | |
114 | puts("USB error: all controllers failed lowlevel init\n"); | |
affae2bf WD |
115 | return -1; |
116 | } | |
93c2582f LS |
117 | |
118 | return 0; | |
affae2bf WD |
119 | } |
120 | ||
121 | /****************************************************************************** | |
122 | * Stop USB this stops the LowLevel Part and deregisters USB devices. | |
123 | */ | |
124 | int usb_stop(void) | |
125 | { | |
93c2582f | 126 | int i; |
eba1f2fc RB |
127 | |
128 | if (usb_started) { | |
129 | asynch_allowed = 1; | |
130 | usb_started = 0; | |
131 | usb_hub_reset(); | |
93c2582f LS |
132 | |
133 | for (i = 0; i < CONFIG_USB_MAX_CONTROLLER_COUNT; i++) { | |
134 | if (usb_lowlevel_stop(i)) | |
135 | printf("failed to stop USB controller %d\n", i); | |
136 | } | |
eba1f2fc | 137 | } |
93c2582f LS |
138 | |
139 | return 0; | |
affae2bf WD |
140 | } |
141 | ||
142 | /* | |
143 | * disables the asynch behaviour of the control message. This is used for data | |
144 | * transfers that uses the exclusiv access to the control and bulk messages. | |
89d48367 | 145 | * Returns the old value so it can be restored later. |
affae2bf | 146 | */ |
89d48367 | 147 | int usb_disable_asynch(int disable) |
affae2bf | 148 | { |
89d48367 SG |
149 | int old_value = asynch_allowed; |
150 | ||
6f5794a6 | 151 | asynch_allowed = !disable; |
89d48367 | 152 | return old_value; |
affae2bf WD |
153 | } |
154 | ||
155 | ||
156 | /*------------------------------------------------------------------- | |
157 | * Message wrappers. | |
158 | * | |
159 | */ | |
160 | ||
161 | /* | |
162 | * submits an Interrupt Message | |
163 | */ | |
164 | int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, | |
6f5794a6 | 165 | void *buffer, int transfer_len, int interval) |
affae2bf | 166 | { |
6f5794a6 | 167 | return submit_int_msg(dev, pipe, buffer, transfer_len, interval); |
affae2bf WD |
168 | } |
169 | ||
170 | /* | |
171 | * submits a control message and waits for comletion (at least timeout * 1ms) | |
172 | * If timeout is 0, we don't wait for completion (used as example to set and | |
173 | * clear keyboards LEDs). For data transfers, (storage transfers) we don't | |
174 | * allow control messages with 0 timeout, by previousely resetting the flag | |
175 | * asynch_allowed (usb_disable_asynch(1)). | |
176 | * returns the transfered length if OK or -1 if error. The transfered length | |
177 | * and the current status are stored in the dev->act_len and dev->status. | |
178 | */ | |
179 | int usb_control_msg(struct usb_device *dev, unsigned int pipe, | |
180 | unsigned char request, unsigned char requesttype, | |
181 | unsigned short value, unsigned short index, | |
182 | void *data, unsigned short size, int timeout) | |
183 | { | |
f5766139 | 184 | ALLOC_CACHE_ALIGN_BUFFER(struct devrequest, setup_packet, 1); |
e159e486 | 185 | |
6f5794a6 RB |
186 | if ((timeout == 0) && (!asynch_allowed)) { |
187 | /* request for a asynch control pipe is not allowed */ | |
affae2bf | 188 | return -1; |
6f5794a6 | 189 | } |
9c998aa8 | 190 | |
affae2bf | 191 | /* set setup command */ |
f5766139 PS |
192 | setup_packet->requesttype = requesttype; |
193 | setup_packet->request = request; | |
194 | setup_packet->value = cpu_to_le16(value); | |
195 | setup_packet->index = cpu_to_le16(index); | |
196 | setup_packet->length = cpu_to_le16(size); | |
ceb4972a VG |
197 | debug("usb_control_msg: request: 0x%X, requesttype: 0x%X, " \ |
198 | "value 0x%X index 0x%X length 0x%X\n", | |
199 | request, requesttype, value, index, size); | |
6f5794a6 | 200 | dev->status = USB_ST_NOT_PROC; /*not yet processed */ |
affae2bf | 201 | |
fd06028d IY |
202 | if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) |
203 | return -1; | |
6f5794a6 | 204 | if (timeout == 0) |
affae2bf | 205 | return (int)size; |
6f5794a6 | 206 | |
84d36b30 RB |
207 | /* |
208 | * Wait for status to update until timeout expires, USB driver | |
209 | * interrupt handler may set the status when the USB operation has | |
210 | * been completed. | |
211 | */ | |
212 | while (timeout--) { | |
213 | if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) | |
214 | break; | |
5b84dd67 | 215 | mdelay(1); |
48867208 | 216 | } |
84d36b30 RB |
217 | if (dev->status) |
218 | return -1; | |
48867208 RB |
219 | |
220 | return dev->act_len; | |
84d36b30 | 221 | |
affae2bf WD |
222 | } |
223 | ||
224 | /*------------------------------------------------------------------- | |
225 | * submits bulk message, and waits for completion. returns 0 if Ok or | |
226 | * -1 if Error. | |
227 | * synchronous behavior | |
228 | */ | |
229 | int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, | |
230 | void *data, int len, int *actual_length, int timeout) | |
231 | { | |
232 | if (len < 0) | |
233 | return -1; | |
6f5794a6 | 234 | dev->status = USB_ST_NOT_PROC; /*not yet processed */ |
fd06028d IY |
235 | if (submit_bulk_msg(dev, pipe, data, len) < 0) |
236 | return -1; | |
6f5794a6 RB |
237 | while (timeout--) { |
238 | if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) | |
affae2bf | 239 | break; |
5b84dd67 | 240 | mdelay(1); |
affae2bf | 241 | } |
6f5794a6 RB |
242 | *actual_length = dev->act_len; |
243 | if (dev->status == 0) | |
affae2bf WD |
244 | return 0; |
245 | else | |
246 | return -1; | |
247 | } | |
248 | ||
249 | ||
250 | /*------------------------------------------------------------------- | |
251 | * Max Packet stuff | |
252 | */ | |
253 | ||
254 | /* | |
255 | * returns the max packet size, depending on the pipe direction and | |
256 | * the configurations values | |
257 | */ | |
6f5794a6 | 258 | int usb_maxpacket(struct usb_device *dev, unsigned long pipe) |
affae2bf | 259 | { |
6f5794a6 RB |
260 | /* direction is out -> use emaxpacket out */ |
261 | if ((pipe & USB_DIR_IN) == 0) | |
de39f8c1 | 262 | return dev->epmaxpacketout[((pipe>>15) & 0xf)]; |
affae2bf | 263 | else |
de39f8c1 | 264 | return dev->epmaxpacketin[((pipe>>15) & 0xf)]; |
affae2bf WD |
265 | } |
266 | ||
5e8baf87 MV |
267 | /* |
268 | * The routine usb_set_maxpacket_ep() is extracted from the loop of routine | |
be19d324 RB |
269 | * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine |
270 | * when it is inlined in 1 single routine. What happens is that the register r3 | |
271 | * is used as loop-count 'i', but gets overwritten later on. | |
272 | * This is clearly a compiler bug, but it is easier to workaround it here than | |
273 | * to update the compiler (Occurs with at least several GCC 4.{1,2},x | |
274 | * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM) | |
5e8baf87 MV |
275 | * |
276 | * NOTE: Similar behaviour was observed with GCC4.6 on ARMv5. | |
be19d324 | 277 | */ |
66cf6410 | 278 | static void noinline |
5e8baf87 | 279 | usb_set_maxpacket_ep(struct usb_device *dev, int if_idx, int ep_idx) |
be19d324 RB |
280 | { |
281 | int b; | |
5e8baf87 | 282 | struct usb_endpoint_descriptor *ep; |
b2fb47f1 | 283 | u16 ep_wMaxPacketSize; |
5e8baf87 MV |
284 | |
285 | ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx]; | |
be19d324 RB |
286 | |
287 | b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
b2fb47f1 | 288 | ep_wMaxPacketSize = get_unaligned(&ep->wMaxPacketSize); |
be19d324 RB |
289 | |
290 | if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
291 | USB_ENDPOINT_XFER_CONTROL) { | |
292 | /* Control => bidirectional */ | |
b2fb47f1 TR |
293 | dev->epmaxpacketout[b] = ep_wMaxPacketSize; |
294 | dev->epmaxpacketin[b] = ep_wMaxPacketSize; | |
ceb4972a VG |
295 | debug("##Control EP epmaxpacketout/in[%d] = %d\n", |
296 | b, dev->epmaxpacketin[b]); | |
be19d324 RB |
297 | } else { |
298 | if ((ep->bEndpointAddress & 0x80) == 0) { | |
299 | /* OUT Endpoint */ | |
b2fb47f1 TR |
300 | if (ep_wMaxPacketSize > dev->epmaxpacketout[b]) { |
301 | dev->epmaxpacketout[b] = ep_wMaxPacketSize; | |
ceb4972a VG |
302 | debug("##EP epmaxpacketout[%d] = %d\n", |
303 | b, dev->epmaxpacketout[b]); | |
be19d324 RB |
304 | } |
305 | } else { | |
306 | /* IN Endpoint */ | |
b2fb47f1 TR |
307 | if (ep_wMaxPacketSize > dev->epmaxpacketin[b]) { |
308 | dev->epmaxpacketin[b] = ep_wMaxPacketSize; | |
ceb4972a VG |
309 | debug("##EP epmaxpacketin[%d] = %d\n", |
310 | b, dev->epmaxpacketin[b]); | |
be19d324 RB |
311 | } |
312 | } /* if out */ | |
313 | } /* if control */ | |
314 | } | |
315 | ||
affae2bf WD |
316 | /* |
317 | * set the max packed value of all endpoints in the given configuration | |
318 | */ | |
c08b1b26 | 319 | static int usb_set_maxpacket(struct usb_device *dev) |
affae2bf | 320 | { |
be19d324 | 321 | int i, ii; |
affae2bf | 322 | |
8f8bd565 TR |
323 | for (i = 0; i < dev->config.desc.bNumInterfaces; i++) |
324 | for (ii = 0; ii < dev->config.if_desc[i].desc.bNumEndpoints; ii++) | |
5e8baf87 | 325 | usb_set_maxpacket_ep(dev, i, ii); |
affae2bf | 326 | |
affae2bf WD |
327 | return 0; |
328 | } | |
329 | ||
330 | /******************************************************************************* | |
331 | * Parse the config, located in buffer, and fills the dev->config structure. | |
332 | * Note that all little/big endian swapping are done automatically. | |
eaf3e613 | 333 | * (wTotalLength has already been swapped and sanitized when it was read.) |
affae2bf | 334 | */ |
c08b1b26 MV |
335 | static int usb_parse_config(struct usb_device *dev, |
336 | unsigned char *buffer, int cfgno) | |
affae2bf WD |
337 | { |
338 | struct usb_descriptor_header *head; | |
7455af41 | 339 | int index, ifno, epno, curr_if_num; |
b2fb47f1 | 340 | u16 ep_wMaxPacketSize; |
605bd75a | 341 | struct usb_interface *if_desc = NULL; |
7455af41 BS |
342 | |
343 | ifno = -1; | |
344 | epno = -1; | |
345 | curr_if_num = -1; | |
346 | ||
347 | dev->configno = cfgno; | |
348 | head = (struct usb_descriptor_header *) &buffer[0]; | |
6f5794a6 RB |
349 | if (head->bDescriptorType != USB_DT_CONFIG) { |
350 | printf(" ERROR: NOT USB_CONFIG_DESC %x\n", | |
351 | head->bDescriptorType); | |
affae2bf WD |
352 | return -1; |
353 | } | |
eaf3e613 JW |
354 | if (head->bLength != USB_DT_CONFIG_SIZE) { |
355 | printf("ERROR: Invalid USB CFG length (%d)\n", head->bLength); | |
356 | return -1; | |
357 | } | |
358 | memcpy(&dev->config, head, USB_DT_CONFIG_SIZE); | |
7455af41 | 359 | dev->config.no_of_if = 0; |
affae2bf | 360 | |
8f8bd565 | 361 | index = dev->config.desc.bLength; |
6f5794a6 RB |
362 | /* Ok the first entry must be a configuration entry, |
363 | * now process the others */ | |
7455af41 | 364 | head = (struct usb_descriptor_header *) &buffer[index]; |
eaf3e613 | 365 | while (index + 1 < dev->config.desc.wTotalLength && head->bLength) { |
6f5794a6 RB |
366 | switch (head->bDescriptorType) { |
367 | case USB_DT_INTERFACE: | |
eaf3e613 JW |
368 | if (head->bLength != USB_DT_INTERFACE_SIZE) { |
369 | printf("ERROR: Invalid USB IF length (%d)\n", | |
370 | head->bLength); | |
371 | break; | |
372 | } | |
373 | if (index + USB_DT_INTERFACE_SIZE > | |
374 | dev->config.desc.wTotalLength) { | |
375 | puts("USB IF descriptor overflowed buffer!\n"); | |
376 | break; | |
377 | } | |
6f5794a6 | 378 | if (((struct usb_interface_descriptor *) \ |
eaf3e613 | 379 | head)->bInterfaceNumber != curr_if_num) { |
6f5794a6 RB |
380 | /* this is a new interface, copy new desc */ |
381 | ifno = dev->config.no_of_if; | |
eaf3e613 JW |
382 | if (ifno >= USB_MAXINTERFACES) { |
383 | puts("Too many USB interfaces!\n"); | |
384 | /* try to go on with what we have */ | |
385 | return 1; | |
386 | } | |
605bd75a | 387 | if_desc = &dev->config.if_desc[ifno]; |
6f5794a6 | 388 | dev->config.no_of_if++; |
eaf3e613 JW |
389 | memcpy(if_desc, head, |
390 | USB_DT_INTERFACE_SIZE); | |
605bd75a VG |
391 | if_desc->no_of_ep = 0; |
392 | if_desc->num_altsetting = 1; | |
6f5794a6 | 393 | curr_if_num = |
605bd75a | 394 | if_desc->desc.bInterfaceNumber; |
6f5794a6 RB |
395 | } else { |
396 | /* found alternate setting for the interface */ | |
605bd75a VG |
397 | if (ifno >= 0) { |
398 | if_desc = &dev->config.if_desc[ifno]; | |
399 | if_desc->num_altsetting++; | |
400 | } | |
6f5794a6 RB |
401 | } |
402 | break; | |
403 | case USB_DT_ENDPOINT: | |
eaf3e613 JW |
404 | if (head->bLength != USB_DT_ENDPOINT_SIZE) { |
405 | printf("ERROR: Invalid USB EP length (%d)\n", | |
406 | head->bLength); | |
407 | break; | |
408 | } | |
409 | if (index + USB_DT_ENDPOINT_SIZE > | |
410 | dev->config.desc.wTotalLength) { | |
411 | puts("USB EP descriptor overflowed buffer!\n"); | |
412 | break; | |
413 | } | |
414 | if (ifno < 0) { | |
415 | puts("Endpoint descriptor out of order!\n"); | |
416 | break; | |
417 | } | |
6f5794a6 | 418 | epno = dev->config.if_desc[ifno].no_of_ep; |
605bd75a | 419 | if_desc = &dev->config.if_desc[ifno]; |
eaf3e613 JW |
420 | if (epno > USB_MAXENDPOINTS) { |
421 | printf("Interface %d has too many endpoints!\n", | |
422 | if_desc->desc.bInterfaceNumber); | |
423 | return 1; | |
424 | } | |
6f5794a6 | 425 | /* found an endpoint */ |
605bd75a | 426 | if_desc->no_of_ep++; |
eaf3e613 JW |
427 | memcpy(&if_desc->ep_desc[epno], head, |
428 | USB_DT_ENDPOINT_SIZE); | |
b2fb47f1 TR |
429 | ep_wMaxPacketSize = get_unaligned(&dev->config.\ |
430 | if_desc[ifno].\ | |
431 | ep_desc[epno].\ | |
432 | wMaxPacketSize); | |
433 | put_unaligned(le16_to_cpu(ep_wMaxPacketSize), | |
434 | &dev->config.\ | |
435 | if_desc[ifno].\ | |
436 | ep_desc[epno].\ | |
437 | wMaxPacketSize); | |
ceb4972a | 438 | debug("if %d, ep %d\n", ifno, epno); |
6f5794a6 | 439 | break; |
6497c667 | 440 | case USB_DT_SS_ENDPOINT_COMP: |
eaf3e613 JW |
441 | if (head->bLength != USB_DT_SS_EP_COMP_SIZE) { |
442 | printf("ERROR: Invalid USB EPC length (%d)\n", | |
443 | head->bLength); | |
444 | break; | |
445 | } | |
446 | if (index + USB_DT_SS_EP_COMP_SIZE > | |
447 | dev->config.desc.wTotalLength) { | |
448 | puts("USB EPC descriptor overflowed buffer!\n"); | |
449 | break; | |
450 | } | |
451 | if (ifno < 0 || epno < 0) { | |
452 | puts("EPC descriptor out of order!\n"); | |
453 | break; | |
454 | } | |
6497c667 | 455 | if_desc = &dev->config.if_desc[ifno]; |
eaf3e613 JW |
456 | memcpy(&if_desc->ss_ep_comp_desc[epno], head, |
457 | USB_DT_SS_EP_COMP_SIZE); | |
6497c667 | 458 | break; |
6f5794a6 RB |
459 | default: |
460 | if (head->bLength == 0) | |
461 | return 1; | |
462 | ||
ceb4972a VG |
463 | debug("unknown Description Type : %x\n", |
464 | head->bDescriptorType); | |
6f5794a6 | 465 | |
ceb4972a | 466 | #ifdef DEBUG |
6f5794a6 | 467 | { |
fad2e1b0 | 468 | unsigned char *ch = (unsigned char *)head; |
ceb4972a VG |
469 | int i; |
470 | ||
6f5794a6 | 471 | for (i = 0; i < head->bLength; i++) |
ceb4972a VG |
472 | debug("%02X ", *ch++); |
473 | debug("\n\n\n"); | |
6f5794a6 | 474 | } |
ceb4972a | 475 | #endif |
6f5794a6 | 476 | break; |
affae2bf | 477 | } |
7455af41 BS |
478 | index += head->bLength; |
479 | head = (struct usb_descriptor_header *)&buffer[index]; | |
affae2bf WD |
480 | } |
481 | return 1; | |
482 | } | |
483 | ||
484 | /*********************************************************************** | |
485 | * Clears an endpoint | |
486 | * endp: endpoint number in bits 0-3; | |
487 | * direction flag in bit 7 (1 = IN, 0 = OUT) | |
488 | */ | |
489 | int usb_clear_halt(struct usb_device *dev, int pipe) | |
490 | { | |
491 | int result; | |
9c998aa8 | 492 | int endp = usb_pipeendpoint(pipe)|(usb_pipein(pipe)<<7); |
affae2bf WD |
493 | |
494 | result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
6f5794a6 RB |
495 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, |
496 | endp, NULL, 0, USB_CNTL_TIMEOUT * 3); | |
affae2bf WD |
497 | |
498 | /* don't clear if failed */ | |
499 | if (result < 0) | |
500 | return result; | |
9c998aa8 | 501 | |
095b8a37 | 502 | /* |
9c998aa8 WD |
503 | * NOTE: we do not get status and verify reset was successful |
504 | * as some devices are reported to lock up upon this check.. | |
505 | */ | |
506 | ||
affae2bf | 507 | usb_endpoint_running(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)); |
9c998aa8 | 508 | |
affae2bf WD |
509 | /* toggle is reset on clear */ |
510 | usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0); | |
511 | return 0; | |
512 | } | |
513 | ||
514 | ||
515 | /********************************************************************** | |
516 | * get_descriptor type | |
517 | */ | |
c08b1b26 | 518 | static int usb_get_descriptor(struct usb_device *dev, unsigned char type, |
6f5794a6 | 519 | unsigned char index, void *buf, int size) |
affae2bf WD |
520 | { |
521 | int res; | |
53677ef1 | 522 | res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
affae2bf WD |
523 | USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, |
524 | (type << 8) + index, 0, | |
525 | buf, size, USB_CNTL_TIMEOUT); | |
526 | return res; | |
527 | } | |
528 | ||
529 | /********************************************************************** | |
530 | * gets configuration cfgno and store it in the buffer | |
531 | */ | |
6f5794a6 RB |
532 | int usb_get_configuration_no(struct usb_device *dev, |
533 | unsigned char *buffer, int cfgno) | |
affae2bf | 534 | { |
53677ef1 | 535 | int result; |
eaf3e613 | 536 | unsigned int length; |
c60795f4 | 537 | struct usb_config_descriptor *config; |
affae2bf | 538 | |
c60795f4 | 539 | config = (struct usb_config_descriptor *)&buffer[0]; |
48867208 RB |
540 | result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9); |
541 | if (result < 9) { | |
affae2bf | 542 | if (result < 0) |
6f5794a6 RB |
543 | printf("unable to get descriptor, error %lX\n", |
544 | dev->status); | |
affae2bf | 545 | else |
6f5794a6 | 546 | printf("config descriptor too short " \ |
48867208 | 547 | "(expected %i, got %i)\n", 9, result); |
affae2bf WD |
548 | return -1; |
549 | } | |
eaf3e613 | 550 | length = le16_to_cpu(config->wTotalLength); |
affae2bf | 551 | |
eaf3e613 JW |
552 | if (length > USB_BUFSIZ) { |
553 | printf("%s: failed to get descriptor - too long: %d\n", | |
554 | __func__, length); | |
cd0a9de6 WD |
555 | return -1; |
556 | } | |
557 | ||
eaf3e613 JW |
558 | result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, length); |
559 | debug("get_conf_no %d Result %d, wLength %d\n", cfgno, result, length); | |
560 | config->wTotalLength = length; /* validated, with CPU byte order */ | |
561 | ||
affae2bf WD |
562 | return result; |
563 | } | |
564 | ||
565 | /******************************************************************** | |
566 | * set address of a device to the value in dev->devnum. | |
567 | * This can only be done by addressing the device via the default address (0) | |
568 | */ | |
c08b1b26 | 569 | static int usb_set_address(struct usb_device *dev) |
affae2bf WD |
570 | { |
571 | int res; | |
572 | ||
ceb4972a | 573 | debug("set address %d\n", dev->devnum); |
6f5794a6 RB |
574 | res = usb_control_msg(dev, usb_snddefctrl(dev), |
575 | USB_REQ_SET_ADDRESS, 0, | |
576 | (dev->devnum), 0, | |
577 | NULL, 0, USB_CNTL_TIMEOUT); | |
affae2bf WD |
578 | return res; |
579 | } | |
580 | ||
581 | /******************************************************************** | |
582 | * set interface number to interface | |
583 | */ | |
584 | int usb_set_interface(struct usb_device *dev, int interface, int alternate) | |
585 | { | |
8f8bd565 | 586 | struct usb_interface *if_face = NULL; |
affae2bf WD |
587 | int ret, i; |
588 | ||
8f8bd565 TR |
589 | for (i = 0; i < dev->config.desc.bNumInterfaces; i++) { |
590 | if (dev->config.if_desc[i].desc.bInterfaceNumber == interface) { | |
affae2bf WD |
591 | if_face = &dev->config.if_desc[i]; |
592 | break; | |
593 | } | |
594 | } | |
595 | if (!if_face) { | |
596 | printf("selecting invalid interface %d", interface); | |
597 | return -1; | |
598 | } | |
7455af41 BS |
599 | /* |
600 | * We should return now for devices with only one alternate setting. | |
6f5794a6 RB |
601 | * According to 9.4.10 of the Universal Serial Bus Specification |
602 | * Revision 2.0 such devices can return with a STALL. This results in | |
603 | * some USB sticks timeouting during initialization and then being | |
604 | * unusable in U-Boot. | |
7455af41 BS |
605 | */ |
606 | if (if_face->num_altsetting == 1) | |
607 | return 0; | |
affae2bf | 608 | |
6f5794a6 RB |
609 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
610 | USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, | |
611 | alternate, interface, NULL, 0, | |
612 | USB_CNTL_TIMEOUT * 5); | |
613 | if (ret < 0) | |
affae2bf WD |
614 | return ret; |
615 | ||
affae2bf WD |
616 | return 0; |
617 | } | |
618 | ||
619 | /******************************************************************** | |
620 | * set configuration number to configuration | |
621 | */ | |
c08b1b26 | 622 | static int usb_set_configuration(struct usb_device *dev, int configuration) |
affae2bf WD |
623 | { |
624 | int res; | |
ceb4972a | 625 | debug("set configuration %d\n", configuration); |
affae2bf | 626 | /* set setup command */ |
6f5794a6 RB |
627 | res = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
628 | USB_REQ_SET_CONFIGURATION, 0, | |
629 | configuration, 0, | |
630 | NULL, 0, USB_CNTL_TIMEOUT); | |
631 | if (res == 0) { | |
affae2bf WD |
632 | dev->toggle[0] = 0; |
633 | dev->toggle[1] = 0; | |
634 | return 0; | |
6f5794a6 | 635 | } else |
affae2bf WD |
636 | return -1; |
637 | } | |
638 | ||
639 | /******************************************************************** | |
640 | * set protocol to protocol | |
641 | */ | |
642 | int usb_set_protocol(struct usb_device *dev, int ifnum, int protocol) | |
643 | { | |
644 | return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
645 | USB_REQ_SET_PROTOCOL, USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
646 | protocol, ifnum, NULL, 0, USB_CNTL_TIMEOUT); | |
647 | } | |
648 | ||
649 | /******************************************************************** | |
650 | * set idle | |
651 | */ | |
652 | int usb_set_idle(struct usb_device *dev, int ifnum, int duration, int report_id) | |
653 | { | |
654 | return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
655 | USB_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
656 | (duration << 8) | report_id, ifnum, NULL, 0, USB_CNTL_TIMEOUT); | |
657 | } | |
658 | ||
659 | /******************************************************************** | |
660 | * get report | |
661 | */ | |
6f5794a6 RB |
662 | int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, |
663 | unsigned char id, void *buf, int size) | |
affae2bf WD |
664 | { |
665 | return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
6f5794a6 RB |
666 | USB_REQ_GET_REPORT, |
667 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, | |
668 | (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT); | |
affae2bf WD |
669 | } |
670 | ||
671 | /******************************************************************** | |
672 | * get class descriptor | |
673 | */ | |
674 | int usb_get_class_descriptor(struct usb_device *dev, int ifnum, | |
675 | unsigned char type, unsigned char id, void *buf, int size) | |
676 | { | |
677 | return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
678 | USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN, | |
679 | (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT); | |
680 | } | |
681 | ||
682 | /******************************************************************** | |
683 | * get string index in buffer | |
684 | */ | |
c08b1b26 | 685 | static int usb_get_string(struct usb_device *dev, unsigned short langid, |
6f5794a6 | 686 | unsigned char index, void *buf, int size) |
affae2bf | 687 | { |
9c998aa8 WD |
688 | int i; |
689 | int result; | |
690 | ||
691 | for (i = 0; i < 3; ++i) { | |
692 | /* some devices are flaky */ | |
693 | result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
694 | USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, | |
095b8a37 | 695 | (USB_DT_STRING << 8) + index, langid, buf, size, |
9c998aa8 WD |
696 | USB_CNTL_TIMEOUT); |
697 | ||
698 | if (result > 0) | |
699 | break; | |
095b8a37 WD |
700 | } |
701 | ||
9c998aa8 WD |
702 | return result; |
703 | } | |
704 | ||
705 | ||
706 | static void usb_try_string_workarounds(unsigned char *buf, int *length) | |
707 | { | |
708 | int newlength, oldlength = *length; | |
709 | ||
710 | for (newlength = 2; newlength + 1 < oldlength; newlength += 2) | |
711 | if (!isprint(buf[newlength]) || buf[newlength + 1]) | |
712 | break; | |
713 | ||
714 | if (newlength > 2) { | |
715 | buf[0] = newlength; | |
716 | *length = newlength; | |
717 | } | |
affae2bf WD |
718 | } |
719 | ||
9c998aa8 WD |
720 | |
721 | static int usb_string_sub(struct usb_device *dev, unsigned int langid, | |
722 | unsigned int index, unsigned char *buf) | |
723 | { | |
724 | int rc; | |
725 | ||
726 | /* Try to read the string descriptor by asking for the maximum | |
727 | * possible number of bytes */ | |
728 | rc = usb_get_string(dev, langid, index, buf, 255); | |
729 | ||
730 | /* If that failed try to read the descriptor length, then | |
731 | * ask for just that many bytes */ | |
732 | if (rc < 2) { | |
733 | rc = usb_get_string(dev, langid, index, buf, 2); | |
734 | if (rc == 2) | |
735 | rc = usb_get_string(dev, langid, index, buf, buf[0]); | |
736 | } | |
737 | ||
738 | if (rc >= 2) { | |
739 | if (!buf[0] && !buf[1]) | |
740 | usb_try_string_workarounds(buf, &rc); | |
741 | ||
742 | /* There might be extra junk at the end of the descriptor */ | |
743 | if (buf[0] < rc) | |
744 | rc = buf[0]; | |
745 | ||
746 | rc = rc - (rc & 1); /* force a multiple of two */ | |
747 | } | |
748 | ||
749 | if (rc < 2) | |
095b8a37 | 750 | rc = -1; |
9c998aa8 WD |
751 | |
752 | return rc; | |
753 | } | |
754 | ||
755 | ||
affae2bf WD |
756 | /******************************************************************** |
757 | * usb_string: | |
758 | * Get string index and translate it to ascii. | |
759 | * returns string length (> 0) or error (< 0) | |
760 | */ | |
761 | int usb_string(struct usb_device *dev, int index, char *buf, size_t size) | |
762 | { | |
f5766139 | 763 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, mybuf, USB_BUFSIZ); |
affae2bf WD |
764 | unsigned char *tbuf; |
765 | int err; | |
766 | unsigned int u, idx; | |
767 | ||
768 | if (size <= 0 || !buf || !index) | |
769 | return -1; | |
770 | buf[0] = 0; | |
d0ff51ba | 771 | tbuf = &mybuf[0]; |
affae2bf WD |
772 | |
773 | /* get langid for strings if it's not yet known */ | |
774 | if (!dev->have_langid) { | |
9c998aa8 | 775 | err = usb_string_sub(dev, 0, 0, tbuf); |
affae2bf | 776 | if (err < 0) { |
ceb4972a VG |
777 | debug("error getting string descriptor 0 " \ |
778 | "(error=%lx)\n", dev->status); | |
affae2bf WD |
779 | return -1; |
780 | } else if (tbuf[0] < 4) { | |
ceb4972a | 781 | debug("string descriptor 0 too short\n"); |
affae2bf WD |
782 | return -1; |
783 | } else { | |
784 | dev->have_langid = -1; | |
6f5794a6 | 785 | dev->string_langid = tbuf[2] | (tbuf[3] << 8); |
affae2bf | 786 | /* always use the first langid listed */ |
ceb4972a VG |
787 | debug("USB device number %d default " \ |
788 | "language ID 0x%x\n", | |
789 | dev->devnum, dev->string_langid); | |
affae2bf WD |
790 | } |
791 | } | |
cd0a9de6 | 792 | |
9c998aa8 | 793 | err = usb_string_sub(dev, dev->string_langid, index, tbuf); |
affae2bf WD |
794 | if (err < 0) |
795 | return err; | |
9c998aa8 | 796 | |
affae2bf WD |
797 | size--; /* leave room for trailing NULL char in output buffer */ |
798 | for (idx = 0, u = 2; u < err; u += 2) { | |
799 | if (idx >= size) | |
800 | break; | |
801 | if (tbuf[u+1]) /* high byte */ | |
802 | buf[idx++] = '?'; /* non-ASCII character */ | |
803 | else | |
804 | buf[idx++] = tbuf[u]; | |
805 | } | |
806 | buf[idx] = 0; | |
807 | err = idx; | |
808 | return err; | |
809 | } | |
810 | ||
811 | ||
812 | /******************************************************************** | |
813 | * USB device handling: | |
814 | * the USB device are static allocated [USB_MAX_DEVICE]. | |
815 | */ | |
816 | ||
817 | ||
818 | /* returns a pointer to the device with the index [index]. | |
819 | * if the device is not assigned (dev->devnum==-1) returns NULL | |
820 | */ | |
6f5794a6 | 821 | struct usb_device *usb_get_dev_index(int index) |
affae2bf | 822 | { |
6f5794a6 | 823 | if (usb_dev[index].devnum == -1) |
affae2bf WD |
824 | return NULL; |
825 | else | |
826 | return &usb_dev[index]; | |
827 | } | |
828 | ||
affae2bf WD |
829 | /* returns a pointer of a new device structure or NULL, if |
830 | * no device struct is available | |
831 | */ | |
c7e3b2b5 | 832 | struct usb_device *usb_alloc_new_device(void *controller) |
affae2bf WD |
833 | { |
834 | int i; | |
ceb4972a | 835 | debug("New Device %d\n", dev_index); |
6f5794a6 RB |
836 | if (dev_index == USB_MAX_DEVICE) { |
837 | printf("ERROR, too many USB Devices, max=%d\n", USB_MAX_DEVICE); | |
affae2bf WD |
838 | return NULL; |
839 | } | |
6f5794a6 RB |
840 | /* default Address is 0, real addresses start with 1 */ |
841 | usb_dev[dev_index].devnum = dev_index + 1; | |
842 | usb_dev[dev_index].maxchild = 0; | |
843 | for (i = 0; i < USB_MAXCHILDREN; i++) | |
844 | usb_dev[dev_index].children[i] = NULL; | |
845 | usb_dev[dev_index].parent = NULL; | |
c7e3b2b5 | 846 | usb_dev[dev_index].controller = controller; |
affae2bf | 847 | dev_index++; |
6f5794a6 | 848 | return &usb_dev[dev_index - 1]; |
affae2bf WD |
849 | } |
850 | ||
359439d2 MC |
851 | /* |
852 | * Free the newly created device node. | |
853 | * Called in error cases where configuring a newly attached | |
854 | * device fails for some reason. | |
855 | */ | |
856 | void usb_free_device(void) | |
857 | { | |
858 | dev_index--; | |
ceb4972a | 859 | debug("Freeing device node: %d\n", dev_index); |
359439d2 MC |
860 | memset(&usb_dev[dev_index], 0, sizeof(struct usb_device)); |
861 | usb_dev[dev_index].devnum = -1; | |
862 | } | |
affae2bf | 863 | |
5853e133 VG |
864 | /* |
865 | * XHCI issues Enable Slot command and thereafter | |
866 | * allocates device contexts. Provide a weak alias | |
867 | * function for the purpose, so that XHCI overrides it | |
868 | * and EHCI/OHCI just work out of the box. | |
869 | */ | |
870 | __weak int usb_alloc_device(struct usb_device *udev) | |
871 | { | |
872 | return 0; | |
873 | } | |
affae2bf WD |
874 | /* |
875 | * By the time we get here, the device has gotten a new device ID | |
876 | * and is in the default state. We need to identify the thing and | |
877 | * get the ball rolling.. | |
878 | * | |
879 | * Returns 0 for success, != 0 for error. | |
880 | */ | |
23faf2bc | 881 | int usb_new_device(struct usb_device *dev) |
affae2bf WD |
882 | { |
883 | int addr, err; | |
884 | int tmp; | |
f5766139 | 885 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, tmpbuf, USB_BUFSIZ); |
affae2bf | 886 | |
5853e133 VG |
887 | /* |
888 | * Allocate usb 3.0 device context. | |
889 | * USB 3.0 (xHCI) protocol tries to allocate device slot | |
890 | * and related data structures first. This call does that. | |
891 | * Refer to sec 4.3.2 in xHCI spec rev1.0 | |
892 | */ | |
893 | if (usb_alloc_device(dev)) { | |
894 | printf("Cannot allocate device context to get SLOT_ID\n"); | |
895 | return -1; | |
896 | } | |
897 | ||
affae2bf WD |
898 | /* We still haven't set the Address yet */ |
899 | addr = dev->devnum; | |
900 | dev->devnum = 0; | |
9c998aa8 | 901 | |
c9e8436b RB |
902 | #ifdef CONFIG_LEGACY_USB_INIT_SEQ |
903 | /* this is the old and known way of initializing devices, it is | |
904 | * different than what Windows and Linux are doing. Windows and Linux | |
905 | * both retrieve 64 bytes while reading the device descriptor | |
906 | * Several USB stick devices report ERR: CTL_TIMEOUT, caused by an | |
907 | * invalid header while reading 8 bytes as device descriptor. */ | |
908 | dev->descriptor.bMaxPacketSize0 = 8; /* Start off at 8 bytes */ | |
48867208 | 909 | dev->maxpacketsize = PACKET_SIZE_8; |
de39f8c1 | 910 | dev->epmaxpacketin[0] = 8; |
c9e8436b RB |
911 | dev->epmaxpacketout[0] = 8; |
912 | ||
80ab414a | 913 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, 8); |
c9e8436b RB |
914 | if (err < 8) { |
915 | printf("\n USB device not responding, " \ | |
de39f8c1 | 916 | "giving up (status=%lX)\n", dev->status); |
c9e8436b RB |
917 | return 1; |
918 | } | |
80ab414a | 919 | memcpy(&dev->descriptor, tmpbuf, 8); |
c9e8436b | 920 | #else |
48867208 RB |
921 | /* This is a Windows scheme of initialization sequence, with double |
922 | * reset of the device (Linux uses the same sequence) | |
c9e8436b RB |
923 | * Some equipment is said to work only with such init sequence; this |
924 | * patch is based on the work by Alan Stern: | |
de39f8c1 MT |
925 | * http://sourceforge.net/mailarchive/forum.php? |
926 | * thread_id=5729457&forum_id=5398 | |
9c998aa8 | 927 | */ |
5853e133 | 928 | __maybe_unused struct usb_device_descriptor *desc; |
9c998aa8 WD |
929 | struct usb_device *parent = dev->parent; |
930 | unsigned short portstatus; | |
931 | ||
932 | /* send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is | |
933 | * only 18 bytes long, this will terminate with a short packet. But if | |
934 | * the maxpacket size is 8 or 16 the device may be waiting to transmit | |
c9e8436b | 935 | * some more, or keeps on retransmitting the 8 byte header. */ |
9c998aa8 WD |
936 | |
937 | desc = (struct usb_device_descriptor *)tmpbuf; | |
c9e8436b | 938 | dev->descriptor.bMaxPacketSize0 = 64; /* Start off at 64 bytes */ |
48867208 RB |
939 | /* Default to 64 byte max packet size */ |
940 | dev->maxpacketsize = PACKET_SIZE_64; | |
de39f8c1 | 941 | dev->epmaxpacketin[0] = 64; |
c9e8436b | 942 | dev->epmaxpacketout[0] = 64; |
48867208 | 943 | |
5853e133 VG |
944 | /* |
945 | * XHCI needs to issue a Address device command to setup | |
946 | * proper device context structures, before it can interact | |
947 | * with the device. So a get_descriptor will fail before any | |
948 | * of that is done for XHCI unlike EHCI. | |
949 | */ | |
950 | #ifndef CONFIG_USB_XHCI | |
48867208 RB |
951 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64); |
952 | if (err < 0) { | |
ceb4972a | 953 | debug("usb_new_device: usb_get_descriptor() failed\n"); |
48867208 | 954 | return 1; |
9c998aa8 | 955 | } |
48867208 | 956 | |
9c998aa8 | 957 | dev->descriptor.bMaxPacketSize0 = desc->bMaxPacketSize0; |
99c3491b VG |
958 | /* |
959 | * Fetch the device class, driver can use this info | |
960 | * to differentiate between HUB and DEVICE. | |
961 | */ | |
962 | dev->descriptor.bDeviceClass = desc->bDeviceClass; | |
5853e133 | 963 | #endif |
095b8a37 | 964 | |
9c998aa8 | 965 | if (parent) { |
9c998aa8 | 966 | /* reset the port for the second time */ |
f7b9baf7 | 967 | err = hub_port_reset(dev->parent, dev->portnr - 1, &portstatus); |
9c998aa8 | 968 | if (err < 0) { |
f7b9baf7 | 969 | printf("\n Couldn't reset port %i\n", dev->portnr); |
9c998aa8 WD |
970 | return 1; |
971 | } | |
972 | } | |
9c998aa8 WD |
973 | #endif |
974 | ||
de39f8c1 | 975 | dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0; |
affae2bf WD |
976 | dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0; |
977 | switch (dev->descriptor.bMaxPacketSize0) { | |
de39f8c1 MT |
978 | case 8: |
979 | dev->maxpacketsize = PACKET_SIZE_8; | |
980 | break; | |
981 | case 16: | |
982 | dev->maxpacketsize = PACKET_SIZE_16; | |
983 | break; | |
984 | case 32: | |
985 | dev->maxpacketsize = PACKET_SIZE_32; | |
986 | break; | |
987 | case 64: | |
988 | dev->maxpacketsize = PACKET_SIZE_64; | |
989 | break; | |
affae2bf WD |
990 | } |
991 | dev->devnum = addr; | |
992 | ||
993 | err = usb_set_address(dev); /* set address */ | |
994 | ||
995 | if (err < 0) { | |
6f5794a6 RB |
996 | printf("\n USB device not accepting new address " \ |
997 | "(error=%lX)\n", dev->status); | |
affae2bf WD |
998 | return 1; |
999 | } | |
1000 | ||
5b84dd67 | 1001 | mdelay(10); /* Let the SET_ADDRESS settle */ |
affae2bf WD |
1002 | |
1003 | tmp = sizeof(dev->descriptor); | |
1004 | ||
6f5794a6 | 1005 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
80ab414a | 1006 | tmpbuf, sizeof(dev->descriptor)); |
affae2bf WD |
1007 | if (err < tmp) { |
1008 | if (err < 0) | |
6f5794a6 RB |
1009 | printf("unable to get device descriptor (error=%d)\n", |
1010 | err); | |
affae2bf | 1011 | else |
6f5794a6 RB |
1012 | printf("USB device descriptor short read " \ |
1013 | "(expected %i, got %i)\n", tmp, err); | |
affae2bf WD |
1014 | return 1; |
1015 | } | |
80ab414a | 1016 | memcpy(&dev->descriptor, tmpbuf, sizeof(dev->descriptor)); |
affae2bf | 1017 | /* correct le values */ |
c918261c CE |
1018 | le16_to_cpus(&dev->descriptor.bcdUSB); |
1019 | le16_to_cpus(&dev->descriptor.idVendor); | |
1020 | le16_to_cpus(&dev->descriptor.idProduct); | |
1021 | le16_to_cpus(&dev->descriptor.bcdDevice); | |
affae2bf | 1022 | /* only support for one config for now */ |
8b8d779d VP |
1023 | err = usb_get_configuration_no(dev, tmpbuf, 0); |
1024 | if (err < 0) { | |
1025 | printf("usb_new_device: Cannot read configuration, " \ | |
1026 | "skipping device %04x:%04x\n", | |
1027 | dev->descriptor.idVendor, dev->descriptor.idProduct); | |
1028 | return -1; | |
1029 | } | |
f5766139 | 1030 | usb_parse_config(dev, tmpbuf, 0); |
affae2bf WD |
1031 | usb_set_maxpacket(dev); |
1032 | /* we set the default configuration here */ | |
8f8bd565 | 1033 | if (usb_set_configuration(dev, dev->config.desc.bConfigurationValue)) { |
6f5794a6 RB |
1034 | printf("failed to set default configuration " \ |
1035 | "len %d, status %lX\n", dev->act_len, dev->status); | |
affae2bf WD |
1036 | return -1; |
1037 | } | |
ceb4972a VG |
1038 | debug("new device strings: Mfr=%d, Product=%d, SerialNumber=%d\n", |
1039 | dev->descriptor.iManufacturer, dev->descriptor.iProduct, | |
1040 | dev->descriptor.iSerialNumber); | |
affae2bf WD |
1041 | memset(dev->mf, 0, sizeof(dev->mf)); |
1042 | memset(dev->prod, 0, sizeof(dev->prod)); | |
1043 | memset(dev->serial, 0, sizeof(dev->serial)); | |
1044 | if (dev->descriptor.iManufacturer) | |
6f5794a6 RB |
1045 | usb_string(dev, dev->descriptor.iManufacturer, |
1046 | dev->mf, sizeof(dev->mf)); | |
affae2bf | 1047 | if (dev->descriptor.iProduct) |
6f5794a6 RB |
1048 | usb_string(dev, dev->descriptor.iProduct, |
1049 | dev->prod, sizeof(dev->prod)); | |
affae2bf | 1050 | if (dev->descriptor.iSerialNumber) |
6f5794a6 RB |
1051 | usb_string(dev, dev->descriptor.iSerialNumber, |
1052 | dev->serial, sizeof(dev->serial)); | |
ceb4972a VG |
1053 | debug("Manufacturer %s\n", dev->mf); |
1054 | debug("Product %s\n", dev->prod); | |
1055 | debug("SerialNumber %s\n", dev->serial); | |
affae2bf | 1056 | /* now prode if the device is a hub */ |
6f5794a6 | 1057 | usb_hub_probe(dev, 0); |
affae2bf WD |
1058 | return 0; |
1059 | } | |
1060 | ||
16297cfb | 1061 | __weak |
bba67914 | 1062 | int board_usb_init(int index, enum usb_init_type init) |
16297cfb MZ |
1063 | { |
1064 | return 0; | |
1065 | } | |
affae2bf | 1066 | /* EOF */ |