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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; | |
d906bbc2 | 62 | int controllers_initialized = 0; |
97b9eb9e | 63 | int ret; |
affae2bf | 64 | |
6f5794a6 RB |
65 | dev_index = 0; |
66 | asynch_allowed = 1; | |
affae2bf | 67 | usb_hub_reset(); |
93c2582f LS |
68 | |
69 | /* first make all devices unknown */ | |
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 | ||
affae2bf | 75 | /* init low_level USB */ |
93c2582f LS |
76 | for (i = 0; i < CONFIG_USB_MAX_CONTROLLER_COUNT; i++) { |
77 | /* init low_level USB */ | |
78 | printf("USB%d: ", i); | |
97b9eb9e MV |
79 | ret = usb_lowlevel_init(i, USB_INIT_HOST, &ctrl); |
80 | if (ret == -ENODEV) { /* No such device. */ | |
81 | puts("Port not available.\n"); | |
d906bbc2 | 82 | controllers_initialized++; |
97b9eb9e MV |
83 | continue; |
84 | } | |
85 | ||
86 | if (ret) { /* Other error. */ | |
93c2582f LS |
87 | puts("lowlevel init failed\n"); |
88 | continue; | |
89 | } | |
90 | /* | |
91 | * lowlevel init is OK, now scan the bus for devices | |
92 | * i.e. search HUBs and configure them | |
93 | */ | |
d906bbc2 | 94 | controllers_initialized++; |
93c2582f LS |
95 | start_index = dev_index; |
96 | printf("scanning bus %d for devices... ", i); | |
97 | dev = usb_alloc_new_device(ctrl); | |
98 | /* | |
99 | * device 0 is always present | |
100 | * (root hub, so let it analyze) | |
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 | ||
e51aae38 | 111 | usb_started = 1; |
93c2582f LS |
112 | } |
113 | ||
ceb4972a | 114 | debug("scan end\n"); |
93c2582f | 115 | /* if we were not able to find at least one working bus, bail out */ |
d906bbc2 | 116 | if (controllers_initialized == 0) |
93c2582f | 117 | puts("USB error: all controllers failed lowlevel init\n"); |
93c2582f | 118 | |
d906bbc2 | 119 | return usb_started ? 0 : -1; |
affae2bf WD |
120 | } |
121 | ||
122 | /****************************************************************************** | |
123 | * Stop USB this stops the LowLevel Part and deregisters USB devices. | |
124 | */ | |
125 | int usb_stop(void) | |
126 | { | |
93c2582f | 127 | int i; |
eba1f2fc RB |
128 | |
129 | if (usb_started) { | |
130 | asynch_allowed = 1; | |
131 | usb_started = 0; | |
132 | usb_hub_reset(); | |
93c2582f LS |
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 | } | |
eba1f2fc | 138 | } |
93c2582f LS |
139 | |
140 | return 0; | |
affae2bf WD |
141 | } |
142 | ||
143 | /* | |
144 | * disables the asynch behaviour of the control message. This is used for data | |
145 | * transfers that uses the exclusiv access to the control and bulk messages. | |
89d48367 | 146 | * Returns the old value so it can be restored later. |
affae2bf | 147 | */ |
89d48367 | 148 | int usb_disable_asynch(int disable) |
affae2bf | 149 | { |
89d48367 SG |
150 | int old_value = asynch_allowed; |
151 | ||
6f5794a6 | 152 | asynch_allowed = !disable; |
89d48367 | 153 | return old_value; |
affae2bf WD |
154 | } |
155 | ||
156 | ||
157 | /*------------------------------------------------------------------- | |
158 | * Message wrappers. | |
159 | * | |
160 | */ | |
161 | ||
162 | /* | |
163 | * submits an Interrupt Message | |
164 | */ | |
165 | int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, | |
6f5794a6 | 166 | void *buffer, int transfer_len, int interval) |
affae2bf | 167 | { |
6f5794a6 | 168 | return submit_int_msg(dev, pipe, buffer, transfer_len, interval); |
affae2bf WD |
169 | } |
170 | ||
171 | /* | |
172 | * submits a control message and waits for comletion (at least timeout * 1ms) | |
173 | * If timeout is 0, we don't wait for completion (used as example to set and | |
174 | * clear keyboards LEDs). For data transfers, (storage transfers) we don't | |
175 | * allow control messages with 0 timeout, by previousely resetting the flag | |
176 | * asynch_allowed (usb_disable_asynch(1)). | |
177 | * returns the transfered length if OK or -1 if error. The transfered length | |
178 | * and the current status are stored in the dev->act_len and dev->status. | |
179 | */ | |
180 | int 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 | { | |
f5766139 | 185 | ALLOC_CACHE_ALIGN_BUFFER(struct devrequest, setup_packet, 1); |
e159e486 | 186 | |
6f5794a6 RB |
187 | if ((timeout == 0) && (!asynch_allowed)) { |
188 | /* request for a asynch control pipe is not allowed */ | |
affae2bf | 189 | return -1; |
6f5794a6 | 190 | } |
9c998aa8 | 191 | |
affae2bf | 192 | /* set setup command */ |
f5766139 PS |
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); | |
ceb4972a VG |
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); | |
6f5794a6 | 201 | dev->status = USB_ST_NOT_PROC; /*not yet processed */ |
affae2bf | 202 | |
fd06028d IY |
203 | if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) |
204 | return -1; | |
6f5794a6 | 205 | if (timeout == 0) |
affae2bf | 206 | return (int)size; |
6f5794a6 | 207 | |
84d36b30 RB |
208 | /* |
209 | * Wait for status to update until timeout expires, USB driver | |
210 | * interrupt handler may set the status when the USB operation has | |
211 | * been completed. | |
212 | */ | |
213 | while (timeout--) { | |
214 | if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) | |
215 | break; | |
5b84dd67 | 216 | mdelay(1); |
48867208 | 217 | } |
84d36b30 RB |
218 | if (dev->status) |
219 | return -1; | |
48867208 RB |
220 | |
221 | return dev->act_len; | |
84d36b30 | 222 | |
affae2bf WD |
223 | } |
224 | ||
225 | /*------------------------------------------------------------------- | |
226 | * submits bulk message, and waits for completion. returns 0 if Ok or | |
227 | * -1 if Error. | |
228 | * synchronous behavior | |
229 | */ | |
230 | int 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; | |
6f5794a6 | 235 | dev->status = USB_ST_NOT_PROC; /*not yet processed */ |
fd06028d IY |
236 | if (submit_bulk_msg(dev, pipe, data, len) < 0) |
237 | return -1; | |
6f5794a6 RB |
238 | while (timeout--) { |
239 | if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) | |
affae2bf | 240 | break; |
5b84dd67 | 241 | mdelay(1); |
affae2bf | 242 | } |
6f5794a6 RB |
243 | *actual_length = dev->act_len; |
244 | if (dev->status == 0) | |
affae2bf WD |
245 | return 0; |
246 | else | |
247 | return -1; | |
248 | } | |
249 | ||
250 | ||
251 | /*------------------------------------------------------------------- | |
252 | * Max Packet stuff | |
253 | */ | |
254 | ||
255 | /* | |
256 | * returns the max packet size, depending on the pipe direction and | |
257 | * the configurations values | |
258 | */ | |
6f5794a6 | 259 | int usb_maxpacket(struct usb_device *dev, unsigned long pipe) |
affae2bf | 260 | { |
6f5794a6 RB |
261 | /* direction is out -> use emaxpacket out */ |
262 | if ((pipe & USB_DIR_IN) == 0) | |
de39f8c1 | 263 | return dev->epmaxpacketout[((pipe>>15) & 0xf)]; |
affae2bf | 264 | else |
de39f8c1 | 265 | return dev->epmaxpacketin[((pipe>>15) & 0xf)]; |
affae2bf WD |
266 | } |
267 | ||
5e8baf87 MV |
268 | /* |
269 | * The routine usb_set_maxpacket_ep() is extracted from the loop of routine | |
be19d324 RB |
270 | * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine |
271 | * when it is inlined in 1 single routine. What happens is that the register r3 | |
272 | * is used as loop-count 'i', but gets overwritten later on. | |
273 | * This is clearly a compiler bug, but it is easier to workaround it here than | |
274 | * to update the compiler (Occurs with at least several GCC 4.{1,2},x | |
275 | * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM) | |
5e8baf87 MV |
276 | * |
277 | * NOTE: Similar behaviour was observed with GCC4.6 on ARMv5. | |
be19d324 | 278 | */ |
66cf6410 | 279 | static void noinline |
5e8baf87 | 280 | usb_set_maxpacket_ep(struct usb_device *dev, int if_idx, int ep_idx) |
be19d324 RB |
281 | { |
282 | int b; | |
5e8baf87 | 283 | struct usb_endpoint_descriptor *ep; |
b2fb47f1 | 284 | u16 ep_wMaxPacketSize; |
5e8baf87 MV |
285 | |
286 | ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx]; | |
be19d324 RB |
287 | |
288 | b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; | |
b2fb47f1 | 289 | ep_wMaxPacketSize = get_unaligned(&ep->wMaxPacketSize); |
be19d324 RB |
290 | |
291 | if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
292 | USB_ENDPOINT_XFER_CONTROL) { | |
293 | /* Control => bidirectional */ | |
b2fb47f1 TR |
294 | dev->epmaxpacketout[b] = ep_wMaxPacketSize; |
295 | dev->epmaxpacketin[b] = ep_wMaxPacketSize; | |
ceb4972a VG |
296 | debug("##Control EP epmaxpacketout/in[%d] = %d\n", |
297 | b, dev->epmaxpacketin[b]); | |
be19d324 RB |
298 | } else { |
299 | if ((ep->bEndpointAddress & 0x80) == 0) { | |
300 | /* OUT Endpoint */ | |
b2fb47f1 TR |
301 | if (ep_wMaxPacketSize > dev->epmaxpacketout[b]) { |
302 | dev->epmaxpacketout[b] = ep_wMaxPacketSize; | |
ceb4972a VG |
303 | debug("##EP epmaxpacketout[%d] = %d\n", |
304 | b, dev->epmaxpacketout[b]); | |
be19d324 RB |
305 | } |
306 | } else { | |
307 | /* IN Endpoint */ | |
b2fb47f1 TR |
308 | if (ep_wMaxPacketSize > dev->epmaxpacketin[b]) { |
309 | dev->epmaxpacketin[b] = ep_wMaxPacketSize; | |
ceb4972a VG |
310 | debug("##EP epmaxpacketin[%d] = %d\n", |
311 | b, dev->epmaxpacketin[b]); | |
be19d324 RB |
312 | } |
313 | } /* if out */ | |
314 | } /* if control */ | |
315 | } | |
316 | ||
affae2bf WD |
317 | /* |
318 | * set the max packed value of all endpoints in the given configuration | |
319 | */ | |
c08b1b26 | 320 | static int usb_set_maxpacket(struct usb_device *dev) |
affae2bf | 321 | { |
be19d324 | 322 | int i, ii; |
affae2bf | 323 | |
8f8bd565 TR |
324 | for (i = 0; i < dev->config.desc.bNumInterfaces; i++) |
325 | for (ii = 0; ii < dev->config.if_desc[i].desc.bNumEndpoints; ii++) | |
5e8baf87 | 326 | usb_set_maxpacket_ep(dev, i, ii); |
affae2bf | 327 | |
affae2bf WD |
328 | return 0; |
329 | } | |
330 | ||
331 | /******************************************************************************* | |
332 | * Parse the config, located in buffer, and fills the dev->config structure. | |
333 | * Note that all little/big endian swapping are done automatically. | |
eaf3e613 | 334 | * (wTotalLength has already been swapped and sanitized when it was read.) |
affae2bf | 335 | */ |
c08b1b26 MV |
336 | static int usb_parse_config(struct usb_device *dev, |
337 | unsigned char *buffer, int cfgno) | |
affae2bf WD |
338 | { |
339 | struct usb_descriptor_header *head; | |
7455af41 | 340 | int index, ifno, epno, curr_if_num; |
b2fb47f1 | 341 | u16 ep_wMaxPacketSize; |
605bd75a | 342 | struct usb_interface *if_desc = NULL; |
7455af41 BS |
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]; | |
6f5794a6 RB |
350 | if (head->bDescriptorType != USB_DT_CONFIG) { |
351 | printf(" ERROR: NOT USB_CONFIG_DESC %x\n", | |
352 | head->bDescriptorType); | |
affae2bf WD |
353 | return -1; |
354 | } | |
eaf3e613 JW |
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); | |
7455af41 | 360 | dev->config.no_of_if = 0; |
affae2bf | 361 | |
8f8bd565 | 362 | index = dev->config.desc.bLength; |
6f5794a6 RB |
363 | /* Ok the first entry must be a configuration entry, |
364 | * now process the others */ | |
7455af41 | 365 | head = (struct usb_descriptor_header *) &buffer[index]; |
eaf3e613 | 366 | while (index + 1 < dev->config.desc.wTotalLength && head->bLength) { |
6f5794a6 RB |
367 | switch (head->bDescriptorType) { |
368 | case USB_DT_INTERFACE: | |
eaf3e613 JW |
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 | } | |
6f5794a6 | 379 | if (((struct usb_interface_descriptor *) \ |
eaf3e613 | 380 | head)->bInterfaceNumber != curr_if_num) { |
6f5794a6 RB |
381 | /* this is a new interface, copy new desc */ |
382 | ifno = dev->config.no_of_if; | |
eaf3e613 JW |
383 | if (ifno >= USB_MAXINTERFACES) { |
384 | puts("Too many USB interfaces!\n"); | |
385 | /* try to go on with what we have */ | |
386 | return 1; | |
387 | } | |
605bd75a | 388 | if_desc = &dev->config.if_desc[ifno]; |
6f5794a6 | 389 | dev->config.no_of_if++; |
eaf3e613 JW |
390 | memcpy(if_desc, head, |
391 | USB_DT_INTERFACE_SIZE); | |
605bd75a VG |
392 | if_desc->no_of_ep = 0; |
393 | if_desc->num_altsetting = 1; | |
6f5794a6 | 394 | curr_if_num = |
605bd75a | 395 | if_desc->desc.bInterfaceNumber; |
6f5794a6 RB |
396 | } else { |
397 | /* found alternate setting for the interface */ | |
605bd75a VG |
398 | if (ifno >= 0) { |
399 | if_desc = &dev->config.if_desc[ifno]; | |
400 | if_desc->num_altsetting++; | |
401 | } | |
6f5794a6 RB |
402 | } |
403 | break; | |
404 | case USB_DT_ENDPOINT: | |
eaf3e613 JW |
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 | } | |
6f5794a6 | 419 | epno = dev->config.if_desc[ifno].no_of_ep; |
605bd75a | 420 | if_desc = &dev->config.if_desc[ifno]; |
eaf3e613 JW |
421 | if (epno > USB_MAXENDPOINTS) { |
422 | printf("Interface %d has too many endpoints!\n", | |
423 | if_desc->desc.bInterfaceNumber); | |
424 | return 1; | |
425 | } | |
6f5794a6 | 426 | /* found an endpoint */ |
605bd75a | 427 | if_desc->no_of_ep++; |
eaf3e613 JW |
428 | memcpy(&if_desc->ep_desc[epno], head, |
429 | USB_DT_ENDPOINT_SIZE); | |
b2fb47f1 TR |
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); | |
ceb4972a | 439 | debug("if %d, ep %d\n", ifno, epno); |
6f5794a6 | 440 | break; |
6497c667 | 441 | case USB_DT_SS_ENDPOINT_COMP: |
eaf3e613 JW |
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 | } | |
6497c667 | 456 | if_desc = &dev->config.if_desc[ifno]; |
eaf3e613 JW |
457 | memcpy(&if_desc->ss_ep_comp_desc[epno], head, |
458 | USB_DT_SS_EP_COMP_SIZE); | |
6497c667 | 459 | break; |
6f5794a6 RB |
460 | default: |
461 | if (head->bLength == 0) | |
462 | return 1; | |
463 | ||
ceb4972a VG |
464 | debug("unknown Description Type : %x\n", |
465 | head->bDescriptorType); | |
6f5794a6 | 466 | |
ceb4972a | 467 | #ifdef DEBUG |
6f5794a6 | 468 | { |
fad2e1b0 | 469 | unsigned char *ch = (unsigned char *)head; |
ceb4972a VG |
470 | int i; |
471 | ||
6f5794a6 | 472 | for (i = 0; i < head->bLength; i++) |
ceb4972a VG |
473 | debug("%02X ", *ch++); |
474 | debug("\n\n\n"); | |
6f5794a6 | 475 | } |
ceb4972a | 476 | #endif |
6f5794a6 | 477 | break; |
affae2bf | 478 | } |
7455af41 BS |
479 | index += head->bLength; |
480 | head = (struct usb_descriptor_header *)&buffer[index]; | |
affae2bf WD |
481 | } |
482 | return 1; | |
483 | } | |
484 | ||
485 | /*********************************************************************** | |
486 | * Clears an endpoint | |
487 | * endp: endpoint number in bits 0-3; | |
488 | * direction flag in bit 7 (1 = IN, 0 = OUT) | |
489 | */ | |
490 | int usb_clear_halt(struct usb_device *dev, int pipe) | |
491 | { | |
492 | int result; | |
9c998aa8 | 493 | int endp = usb_pipeendpoint(pipe)|(usb_pipein(pipe)<<7); |
affae2bf WD |
494 | |
495 | result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
6f5794a6 RB |
496 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, |
497 | endp, NULL, 0, USB_CNTL_TIMEOUT * 3); | |
affae2bf WD |
498 | |
499 | /* don't clear if failed */ | |
500 | if (result < 0) | |
501 | return result; | |
9c998aa8 | 502 | |
095b8a37 | 503 | /* |
9c998aa8 WD |
504 | * NOTE: we do not get status and verify reset was successful |
505 | * as some devices are reported to lock up upon this check.. | |
506 | */ | |
507 | ||
affae2bf | 508 | usb_endpoint_running(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)); |
9c998aa8 | 509 | |
affae2bf WD |
510 | /* toggle is reset on clear */ |
511 | usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0); | |
512 | return 0; | |
513 | } | |
514 | ||
515 | ||
516 | /********************************************************************** | |
517 | * get_descriptor type | |
518 | */ | |
c08b1b26 | 519 | static int usb_get_descriptor(struct usb_device *dev, unsigned char type, |
6f5794a6 | 520 | unsigned char index, void *buf, int size) |
affae2bf WD |
521 | { |
522 | int res; | |
53677ef1 | 523 | res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
affae2bf WD |
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 | * gets configuration cfgno and store it in the buffer | |
532 | */ | |
6f5794a6 RB |
533 | int usb_get_configuration_no(struct usb_device *dev, |
534 | unsigned char *buffer, int cfgno) | |
affae2bf | 535 | { |
53677ef1 | 536 | int result; |
eaf3e613 | 537 | unsigned int length; |
c60795f4 | 538 | struct usb_config_descriptor *config; |
affae2bf | 539 | |
c60795f4 | 540 | config = (struct usb_config_descriptor *)&buffer[0]; |
48867208 RB |
541 | result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9); |
542 | if (result < 9) { | |
affae2bf | 543 | if (result < 0) |
6f5794a6 RB |
544 | printf("unable to get descriptor, error %lX\n", |
545 | dev->status); | |
affae2bf | 546 | else |
6f5794a6 | 547 | printf("config descriptor too short " \ |
48867208 | 548 | "(expected %i, got %i)\n", 9, result); |
affae2bf WD |
549 | return -1; |
550 | } | |
eaf3e613 | 551 | length = le16_to_cpu(config->wTotalLength); |
affae2bf | 552 | |
eaf3e613 JW |
553 | if (length > USB_BUFSIZ) { |
554 | printf("%s: failed to get descriptor - too long: %d\n", | |
555 | __func__, length); | |
cd0a9de6 WD |
556 | return -1; |
557 | } | |
558 | ||
eaf3e613 JW |
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; /* validated, with CPU byte order */ | |
562 | ||
affae2bf WD |
563 | return result; |
564 | } | |
565 | ||
566 | /******************************************************************** | |
567 | * set address of a device to the value in dev->devnum. | |
568 | * This can only be done by addressing the device via the default address (0) | |
569 | */ | |
c08b1b26 | 570 | static int usb_set_address(struct usb_device *dev) |
affae2bf WD |
571 | { |
572 | int res; | |
573 | ||
ceb4972a | 574 | debug("set address %d\n", dev->devnum); |
6f5794a6 RB |
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); | |
affae2bf WD |
579 | return res; |
580 | } | |
581 | ||
582 | /******************************************************************** | |
583 | * set interface number to interface | |
584 | */ | |
585 | int usb_set_interface(struct usb_device *dev, int interface, int alternate) | |
586 | { | |
8f8bd565 | 587 | struct usb_interface *if_face = NULL; |
affae2bf WD |
588 | int ret, i; |
589 | ||
8f8bd565 TR |
590 | for (i = 0; i < dev->config.desc.bNumInterfaces; i++) { |
591 | if (dev->config.if_desc[i].desc.bInterfaceNumber == interface) { | |
affae2bf WD |
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 | } | |
7455af41 BS |
600 | /* |
601 | * We should return now for devices with only one alternate setting. | |
6f5794a6 RB |
602 | * According to 9.4.10 of the Universal Serial Bus Specification |
603 | * Revision 2.0 such devices can return with a STALL. This results in | |
604 | * some USB sticks timeouting during initialization and then being | |
605 | * unusable in U-Boot. | |
7455af41 BS |
606 | */ |
607 | if (if_face->num_altsetting == 1) | |
608 | return 0; | |
affae2bf | 609 | |
6f5794a6 RB |
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) | |
affae2bf WD |
615 | return ret; |
616 | ||
affae2bf WD |
617 | return 0; |
618 | } | |
619 | ||
620 | /******************************************************************** | |
621 | * set configuration number to configuration | |
622 | */ | |
c08b1b26 | 623 | static int usb_set_configuration(struct usb_device *dev, int configuration) |
affae2bf WD |
624 | { |
625 | int res; | |
ceb4972a | 626 | debug("set configuration %d\n", configuration); |
affae2bf | 627 | /* set setup command */ |
6f5794a6 RB |
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) { | |
affae2bf WD |
633 | dev->toggle[0] = 0; |
634 | dev->toggle[1] = 0; | |
635 | return 0; | |
6f5794a6 | 636 | } else |
affae2bf WD |
637 | return -1; |
638 | } | |
639 | ||
640 | /******************************************************************** | |
641 | * set protocol to protocol | |
642 | */ | |
643 | int 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 | * set idle | |
652 | */ | |
653 | int 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 | * get report | |
662 | */ | |
6f5794a6 RB |
663 | int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, |
664 | unsigned char id, void *buf, int size) | |
affae2bf WD |
665 | { |
666 | return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
6f5794a6 RB |
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); | |
affae2bf WD |
670 | } |
671 | ||
672 | /******************************************************************** | |
673 | * get class descriptor | |
674 | */ | |
675 | int 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 | * get string index in buffer | |
685 | */ | |
c08b1b26 | 686 | static int usb_get_string(struct usb_device *dev, unsigned short langid, |
6f5794a6 | 687 | unsigned char index, void *buf, int size) |
affae2bf | 688 | { |
9c998aa8 WD |
689 | int i; |
690 | int result; | |
691 | ||
692 | for (i = 0; i < 3; ++i) { | |
693 | /* some devices are flaky */ | |
694 | result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), | |
695 | USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, | |
095b8a37 | 696 | (USB_DT_STRING << 8) + index, langid, buf, size, |
9c998aa8 WD |
697 | USB_CNTL_TIMEOUT); |
698 | ||
699 | if (result > 0) | |
700 | break; | |
095b8a37 WD |
701 | } |
702 | ||
9c998aa8 WD |
703 | return result; |
704 | } | |
705 | ||
706 | ||
707 | static 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 | } | |
affae2bf WD |
719 | } |
720 | ||
9c998aa8 WD |
721 | |
722 | static int usb_string_sub(struct usb_device *dev, unsigned int langid, | |
723 | unsigned int index, unsigned char *buf) | |
724 | { | |
725 | int rc; | |
726 | ||
727 | /* Try to read the string descriptor by asking for the maximum | |
728 | * possible number of bytes */ | |
729 | rc = usb_get_string(dev, langid, index, buf, 255); | |
730 | ||
731 | /* If that failed try to read the descriptor length, then | |
732 | * ask for just that many bytes */ | |
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 | /* There might be extra junk at the end of the descriptor */ | |
744 | if (buf[0] < rc) | |
745 | rc = buf[0]; | |
746 | ||
747 | rc = rc - (rc & 1); /* force a multiple of two */ | |
748 | } | |
749 | ||
750 | if (rc < 2) | |
095b8a37 | 751 | rc = -1; |
9c998aa8 WD |
752 | |
753 | return rc; | |
754 | } | |
755 | ||
756 | ||
affae2bf WD |
757 | /******************************************************************** |
758 | * usb_string: | |
759 | * Get string index and translate it to ascii. | |
760 | * returns string length (> 0) or error (< 0) | |
761 | */ | |
762 | int usb_string(struct usb_device *dev, int index, char *buf, size_t size) | |
763 | { | |
f5766139 | 764 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, mybuf, USB_BUFSIZ); |
affae2bf WD |
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; | |
d0ff51ba | 772 | tbuf = &mybuf[0]; |
affae2bf WD |
773 | |
774 | /* get langid for strings if it's not yet known */ | |
775 | if (!dev->have_langid) { | |
9c998aa8 | 776 | err = usb_string_sub(dev, 0, 0, tbuf); |
affae2bf | 777 | if (err < 0) { |
ceb4972a VG |
778 | debug("error getting string descriptor 0 " \ |
779 | "(error=%lx)\n", dev->status); | |
affae2bf WD |
780 | return -1; |
781 | } else if (tbuf[0] < 4) { | |
ceb4972a | 782 | debug("string descriptor 0 too short\n"); |
affae2bf WD |
783 | return -1; |
784 | } else { | |
785 | dev->have_langid = -1; | |
6f5794a6 | 786 | dev->string_langid = tbuf[2] | (tbuf[3] << 8); |
affae2bf | 787 | /* always use the first langid listed */ |
ceb4972a VG |
788 | debug("USB device number %d default " \ |
789 | "language ID 0x%x\n", | |
790 | dev->devnum, dev->string_langid); | |
affae2bf WD |
791 | } |
792 | } | |
cd0a9de6 | 793 | |
9c998aa8 | 794 | err = usb_string_sub(dev, dev->string_langid, index, tbuf); |
affae2bf WD |
795 | if (err < 0) |
796 | return err; | |
9c998aa8 | 797 | |
affae2bf WD |
798 | size--; /* leave room for trailing NULL char in output buffer */ |
799 | for (idx = 0, u = 2; u < err; u += 2) { | |
800 | if (idx >= size) | |
801 | break; | |
802 | if (tbuf[u+1]) /* high byte */ | |
803 | buf[idx++] = '?'; /* non-ASCII character */ | |
804 | else | |
805 | buf[idx++] = tbuf[u]; | |
806 | } | |
807 | buf[idx] = 0; | |
808 | err = idx; | |
809 | return err; | |
810 | } | |
811 | ||
812 | ||
813 | /******************************************************************** | |
814 | * USB device handling: | |
815 | * the USB device are static allocated [USB_MAX_DEVICE]. | |
816 | */ | |
817 | ||
818 | ||
819 | /* returns a pointer to the device with the index [index]. | |
820 | * if the device is not assigned (dev->devnum==-1) returns NULL | |
821 | */ | |
6f5794a6 | 822 | struct usb_device *usb_get_dev_index(int index) |
affae2bf | 823 | { |
6f5794a6 | 824 | if (usb_dev[index].devnum == -1) |
affae2bf WD |
825 | return NULL; |
826 | else | |
827 | return &usb_dev[index]; | |
828 | } | |
829 | ||
affae2bf WD |
830 | /* returns a pointer of a new device structure or NULL, if |
831 | * no device struct is available | |
832 | */ | |
c7e3b2b5 | 833 | struct usb_device *usb_alloc_new_device(void *controller) |
affae2bf WD |
834 | { |
835 | int i; | |
ceb4972a | 836 | debug("New Device %d\n", dev_index); |
6f5794a6 RB |
837 | if (dev_index == USB_MAX_DEVICE) { |
838 | printf("ERROR, too many USB Devices, max=%d\n", USB_MAX_DEVICE); | |
affae2bf WD |
839 | return NULL; |
840 | } | |
6f5794a6 RB |
841 | /* default Address is 0, real addresses start with 1 */ |
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; | |
c7e3b2b5 | 847 | usb_dev[dev_index].controller = controller; |
affae2bf | 848 | dev_index++; |
6f5794a6 | 849 | return &usb_dev[dev_index - 1]; |
affae2bf WD |
850 | } |
851 | ||
359439d2 MC |
852 | /* |
853 | * Free the newly created device node. | |
854 | * Called in error cases where configuring a newly attached | |
855 | * device fails for some reason. | |
856 | */ | |
857 | void usb_free_device(void) | |
858 | { | |
859 | dev_index--; | |
ceb4972a | 860 | debug("Freeing device node: %d\n", dev_index); |
359439d2 MC |
861 | memset(&usb_dev[dev_index], 0, sizeof(struct usb_device)); |
862 | usb_dev[dev_index].devnum = -1; | |
863 | } | |
affae2bf | 864 | |
5853e133 VG |
865 | /* |
866 | * XHCI issues Enable Slot command and thereafter | |
867 | * allocates device contexts. Provide a weak alias | |
868 | * function for the purpose, so that XHCI overrides it | |
869 | * and EHCI/OHCI just work out of the box. | |
870 | */ | |
871 | __weak int usb_alloc_device(struct usb_device *udev) | |
872 | { | |
873 | return 0; | |
874 | } | |
affae2bf WD |
875 | /* |
876 | * By the time we get here, the device has gotten a new device ID | |
877 | * and is in the default state. We need to identify the thing and | |
878 | * get the ball rolling.. | |
879 | * | |
880 | * Returns 0 for success, != 0 for error. | |
881 | */ | |
23faf2bc | 882 | int usb_new_device(struct usb_device *dev) |
affae2bf WD |
883 | { |
884 | int addr, err; | |
885 | int tmp; | |
f5766139 | 886 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, tmpbuf, USB_BUFSIZ); |
affae2bf | 887 | |
5853e133 VG |
888 | /* |
889 | * Allocate usb 3.0 device context. | |
890 | * USB 3.0 (xHCI) protocol tries to allocate device slot | |
891 | * and related data structures first. This call does that. | |
892 | * Refer to sec 4.3.2 in xHCI spec rev1.0 | |
893 | */ | |
894 | if (usb_alloc_device(dev)) { | |
895 | printf("Cannot allocate device context to get SLOT_ID\n"); | |
896 | return -1; | |
897 | } | |
898 | ||
affae2bf WD |
899 | /* We still haven't set the Address yet */ |
900 | addr = dev->devnum; | |
901 | dev->devnum = 0; | |
9c998aa8 | 902 | |
c9e8436b RB |
903 | #ifdef CONFIG_LEGACY_USB_INIT_SEQ |
904 | /* this is the old and known way of initializing devices, it is | |
905 | * different than what Windows and Linux are doing. Windows and Linux | |
906 | * both retrieve 64 bytes while reading the device descriptor | |
907 | * Several USB stick devices report ERR: CTL_TIMEOUT, caused by an | |
908 | * invalid header while reading 8 bytes as device descriptor. */ | |
909 | dev->descriptor.bMaxPacketSize0 = 8; /* Start off at 8 bytes */ | |
48867208 | 910 | dev->maxpacketsize = PACKET_SIZE_8; |
de39f8c1 | 911 | dev->epmaxpacketin[0] = 8; |
c9e8436b RB |
912 | dev->epmaxpacketout[0] = 8; |
913 | ||
80ab414a | 914 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, 8); |
c9e8436b RB |
915 | if (err < 8) { |
916 | printf("\n USB device not responding, " \ | |
de39f8c1 | 917 | "giving up (status=%lX)\n", dev->status); |
c9e8436b RB |
918 | return 1; |
919 | } | |
80ab414a | 920 | memcpy(&dev->descriptor, tmpbuf, 8); |
c9e8436b | 921 | #else |
48867208 RB |
922 | /* This is a Windows scheme of initialization sequence, with double |
923 | * reset of the device (Linux uses the same sequence) | |
c9e8436b RB |
924 | * Some equipment is said to work only with such init sequence; this |
925 | * patch is based on the work by Alan Stern: | |
de39f8c1 MT |
926 | * http://sourceforge.net/mailarchive/forum.php? |
927 | * thread_id=5729457&forum_id=5398 | |
9c998aa8 | 928 | */ |
5853e133 | 929 | __maybe_unused struct usb_device_descriptor *desc; |
9c998aa8 WD |
930 | struct usb_device *parent = dev->parent; |
931 | unsigned short portstatus; | |
932 | ||
933 | /* send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is | |
934 | * only 18 bytes long, this will terminate with a short packet. But if | |
935 | * the maxpacket size is 8 or 16 the device may be waiting to transmit | |
c9e8436b | 936 | * some more, or keeps on retransmitting the 8 byte header. */ |
9c998aa8 WD |
937 | |
938 | desc = (struct usb_device_descriptor *)tmpbuf; | |
c9e8436b | 939 | dev->descriptor.bMaxPacketSize0 = 64; /* Start off at 64 bytes */ |
48867208 RB |
940 | /* Default to 64 byte max packet size */ |
941 | dev->maxpacketsize = PACKET_SIZE_64; | |
de39f8c1 | 942 | dev->epmaxpacketin[0] = 64; |
c9e8436b | 943 | dev->epmaxpacketout[0] = 64; |
48867208 | 944 | |
5853e133 VG |
945 | /* |
946 | * XHCI needs to issue a Address device command to setup | |
947 | * proper device context structures, before it can interact | |
948 | * with the device. So a get_descriptor will fail before any | |
949 | * of that is done for XHCI unlike EHCI. | |
950 | */ | |
951 | #ifndef CONFIG_USB_XHCI | |
48867208 RB |
952 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64); |
953 | if (err < 0) { | |
ceb4972a | 954 | debug("usb_new_device: usb_get_descriptor() failed\n"); |
48867208 | 955 | return 1; |
9c998aa8 | 956 | } |
48867208 | 957 | |
9c998aa8 | 958 | dev->descriptor.bMaxPacketSize0 = desc->bMaxPacketSize0; |
99c3491b VG |
959 | /* |
960 | * Fetch the device class, driver can use this info | |
961 | * to differentiate between HUB and DEVICE. | |
962 | */ | |
963 | dev->descriptor.bDeviceClass = desc->bDeviceClass; | |
5853e133 | 964 | #endif |
095b8a37 | 965 | |
9c998aa8 | 966 | if (parent) { |
9c998aa8 | 967 | /* reset the port for the second time */ |
f7b9baf7 | 968 | err = hub_port_reset(dev->parent, dev->portnr - 1, &portstatus); |
9c998aa8 | 969 | if (err < 0) { |
f7b9baf7 | 970 | printf("\n Couldn't reset port %i\n", dev->portnr); |
9c998aa8 WD |
971 | return 1; |
972 | } | |
90cdc103 HG |
973 | } else { |
974 | usb_reset_root_port(); | |
9c998aa8 | 975 | } |
9c998aa8 WD |
976 | #endif |
977 | ||
de39f8c1 | 978 | dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0; |
affae2bf WD |
979 | dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0; |
980 | switch (dev->descriptor.bMaxPacketSize0) { | |
de39f8c1 MT |
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; | |
affae2bf WD |
993 | } |
994 | dev->devnum = addr; | |
995 | ||
996 | err = usb_set_address(dev); /* set address */ | |
997 | ||
998 | if (err < 0) { | |
6f5794a6 RB |
999 | printf("\n USB device not accepting new address " \ |
1000 | "(error=%lX)\n", dev->status); | |
affae2bf WD |
1001 | return 1; |
1002 | } | |
1003 | ||
5b84dd67 | 1004 | mdelay(10); /* Let the SET_ADDRESS settle */ |
affae2bf WD |
1005 | |
1006 | tmp = sizeof(dev->descriptor); | |
1007 | ||
6f5794a6 | 1008 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
80ab414a | 1009 | tmpbuf, sizeof(dev->descriptor)); |
affae2bf WD |
1010 | if (err < tmp) { |
1011 | if (err < 0) | |
6f5794a6 RB |
1012 | printf("unable to get device descriptor (error=%d)\n", |
1013 | err); | |
affae2bf | 1014 | else |
6f5794a6 RB |
1015 | printf("USB device descriptor short read " \ |
1016 | "(expected %i, got %i)\n", tmp, err); | |
affae2bf WD |
1017 | return 1; |
1018 | } | |
80ab414a | 1019 | memcpy(&dev->descriptor, tmpbuf, sizeof(dev->descriptor)); |
affae2bf | 1020 | /* correct le values */ |
c918261c CE |
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); | |
affae2bf | 1025 | /* only support for one config for now */ |
8b8d779d VP |
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 | } | |
f5766139 | 1033 | usb_parse_config(dev, tmpbuf, 0); |
affae2bf WD |
1034 | usb_set_maxpacket(dev); |
1035 | /* we set the default configuration here */ | |
8f8bd565 | 1036 | if (usb_set_configuration(dev, dev->config.desc.bConfigurationValue)) { |
6f5794a6 RB |
1037 | printf("failed to set default configuration " \ |
1038 | "len %d, status %lX\n", dev->act_len, dev->status); | |
affae2bf WD |
1039 | return -1; |
1040 | } | |
ceb4972a VG |
1041 | debug("new device strings: Mfr=%d, Product=%d, SerialNumber=%d\n", |
1042 | dev->descriptor.iManufacturer, dev->descriptor.iProduct, | |
1043 | dev->descriptor.iSerialNumber); | |
affae2bf WD |
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) | |
6f5794a6 RB |
1048 | usb_string(dev, dev->descriptor.iManufacturer, |
1049 | dev->mf, sizeof(dev->mf)); | |
affae2bf | 1050 | if (dev->descriptor.iProduct) |
6f5794a6 RB |
1051 | usb_string(dev, dev->descriptor.iProduct, |
1052 | dev->prod, sizeof(dev->prod)); | |
affae2bf | 1053 | if (dev->descriptor.iSerialNumber) |
6f5794a6 RB |
1054 | usb_string(dev, dev->descriptor.iSerialNumber, |
1055 | dev->serial, sizeof(dev->serial)); | |
ceb4972a VG |
1056 | debug("Manufacturer %s\n", dev->mf); |
1057 | debug("Product %s\n", dev->prod); | |
1058 | debug("SerialNumber %s\n", dev->serial); | |
affae2bf | 1059 | /* now prode if the device is a hub */ |
6f5794a6 | 1060 | usb_hub_probe(dev, 0); |
affae2bf WD |
1061 | return 0; |
1062 | } | |
1063 | ||
16297cfb | 1064 | __weak |
bba67914 | 1065 | int board_usb_init(int index, enum usb_init_type init) |
16297cfb MZ |
1066 | { |
1067 | return 0; | |
1068 | } | |
affae2bf | 1069 | /* EOF */ |