1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2001
4 * Denis Peter, MPL AG Switzerland
5 *
6 * Part of this source has been derived from the Linux USB
7 * project.
8 */
9 #include <common.h>
10 #include <console.h>
11 #include <dm.h>
12 #include <errno.h>
13 #include <malloc.h>
14 #include <memalign.h>
15 #include <stdio_dev.h>
16 #include <asm/byteorder.h>
17
18 #include <usb.h>
19
20 /*
21 * If overwrite_console returns 1, the stdin, stderr and stdout
22 * are switched to the serial port, else the settings in the
23 * environment are used
24 */
25 #ifdef CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
26 extern int overwrite_console(void);
27 #else
overwrite_console(void)28 int overwrite_console(void)
29 {
30 return 0;
31 }
32 #endif
33
34 /* Keyboard sampling rate */
35 #define REPEAT_RATE 40 /* 40msec -> 25cps */
36 #define REPEAT_DELAY 10 /* 10 x REPEAT_RATE = 400msec */
37
38 #define NUM_LOCK 0x53
39 #define CAPS_LOCK 0x39
40 #define SCROLL_LOCK 0x47
41
42 /* Modifier bits */
43 #define LEFT_CNTR (1 << 0)
44 #define LEFT_SHIFT (1 << 1)
45 #define LEFT_ALT (1 << 2)
46 #define LEFT_GUI (1 << 3)
47 #define RIGHT_CNTR (1 << 4)
48 #define RIGHT_SHIFT (1 << 5)
49 #define RIGHT_ALT (1 << 6)
50 #define RIGHT_GUI (1 << 7)
51
52 /* Size of the keyboard buffer */
53 #define USB_KBD_BUFFER_LEN 0x20
54
55 /* Device name */
56 #define DEVNAME "usbkbd"
57
58 /* Keyboard maps */
59 static const unsigned char usb_kbd_numkey[] = {
60 '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
61 '\r', 0x1b, '\b', '\t', ' ', '-', '=', '[', ']',
62 '\\', '#', ';', '\'', '`', ',', '.', '/'
63 };
64 static const unsigned char usb_kbd_numkey_shifted[] = {
65 '!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
66 '\r', 0x1b, '\b', '\t', ' ', '_', '+', '{', '}',
67 '|', '~', ':', '"', '~', '<', '>', '?'
68 };
69
70 static const unsigned char usb_kbd_num_keypad[] = {
71 '/', '*', '-', '+', '\r',
72 '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
73 '.', 0, 0, 0, '='
74 };
75
76 /*
77 * map arrow keys to ^F/^B ^N/^P, can't really use the proper
78 * ANSI sequence for arrow keys because the queuing code breaks
79 * when a single keypress expands to 3 queue elements
80 */
81 static const unsigned char usb_kbd_arrow[] = {
82 0x6, 0x2, 0xe, 0x10
83 };
84
85 /*
86 * NOTE: It's important for the NUM, CAPS, SCROLL-lock bits to be in this
87 * order. See usb_kbd_setled() function!
88 */
89 #define USB_KBD_NUMLOCK (1 << 0)
90 #define USB_KBD_CAPSLOCK (1 << 1)
91 #define USB_KBD_SCROLLLOCK (1 << 2)
92 #define USB_KBD_CTRL (1 << 3)
93
94 #define USB_KBD_LEDMASK \
95 (USB_KBD_NUMLOCK | USB_KBD_CAPSLOCK | USB_KBD_SCROLLLOCK)
96
97 /*
98 * USB Keyboard reports are 8 bytes in boot protocol.
99 * Appendix B of HID Device Class Definition 1.11
100 */
101 #define USB_KBD_BOOT_REPORT_SIZE 8
102
103 struct usb_kbd_pdata {
104 unsigned long intpipe;
105 int intpktsize;
106 int intinterval;
107 unsigned long last_report;
108 struct int_queue *intq;
109
110 uint32_t repeat_delay;
111
112 uint32_t usb_in_pointer;
113 uint32_t usb_out_pointer;
114 uint8_t usb_kbd_buffer[USB_KBD_BUFFER_LEN];
115
116 uint8_t *new;
117 uint8_t old[USB_KBD_BOOT_REPORT_SIZE];
118
119 uint8_t flags;
120 };
121
122 extern int __maybe_unused net_busy_flag;
123
124 /* The period of time between two calls of usb_kbd_testc(). */
125 static unsigned long __maybe_unused kbd_testc_tms;
126
127 /* Puts character in the queue and sets up the in and out pointer. */
usb_kbd_put_queue(struct usb_kbd_pdata * data,char c)128 static void usb_kbd_put_queue(struct usb_kbd_pdata *data, char c)
129 {
130 if (data->usb_in_pointer == USB_KBD_BUFFER_LEN - 1) {
131 /* Check for buffer full. */
132 if (data->usb_out_pointer == 0)
133 return;
134
135 data->usb_in_pointer = 0;
136 } else {
137 /* Check for buffer full. */
138 if (data->usb_in_pointer == data->usb_out_pointer - 1)
139 return;
140
141 data->usb_in_pointer++;
142 }
143
144 data->usb_kbd_buffer[data->usb_in_pointer] = c;
145 }
146
147 /*
148 * Set the LEDs. Since this is used in the irq routine, the control job is
149 * issued with a timeout of 0. This means, that the job is queued without
150 * waiting for job completion.
151 */
usb_kbd_setled(struct usb_device * dev)152 static void usb_kbd_setled(struct usb_device *dev)
153 {
154 struct usb_interface *iface = &dev->config.if_desc[0];
155 struct usb_kbd_pdata *data = dev->privptr;
156 ALLOC_ALIGN_BUFFER(uint32_t, leds, 1, USB_DMA_MINALIGN);
157
158 *leds = data->flags & USB_KBD_LEDMASK;
159 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
160 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
161 0x200, iface->desc.bInterfaceNumber, leds, 1, 0);
162 }
163
164 #define CAPITAL_MASK 0x20
165 /* Translate the scancode in ASCII */
usb_kbd_translate(struct usb_kbd_pdata * data,unsigned char scancode,unsigned char modifier,int pressed)166 static int usb_kbd_translate(struct usb_kbd_pdata *data, unsigned char scancode,
167 unsigned char modifier, int pressed)
168 {
169 uint8_t keycode = 0;
170
171 /* Key released */
172 if (pressed == 0) {
173 data->repeat_delay = 0;
174 return 0;
175 }
176
177 if (pressed == 2) {
178 data->repeat_delay++;
179 if (data->repeat_delay < REPEAT_DELAY)
180 return 0;
181
182 data->repeat_delay = REPEAT_DELAY;
183 }
184
185 /* Alphanumeric values */
186 if ((scancode > 3) && (scancode <= 0x1d)) {
187 keycode = scancode - 4 + 'a';
188
189 if (data->flags & USB_KBD_CAPSLOCK)
190 keycode &= ~CAPITAL_MASK;
191
192 if (modifier & (LEFT_SHIFT | RIGHT_SHIFT)) {
193 /* Handle CAPSLock + Shift pressed simultaneously */
194 if (keycode & CAPITAL_MASK)
195 keycode &= ~CAPITAL_MASK;
196 else
197 keycode |= CAPITAL_MASK;
198 }
199 }
200
201 if ((scancode > 0x1d) && (scancode < 0x39)) {
202 /* Shift pressed */
203 if (modifier & (LEFT_SHIFT | RIGHT_SHIFT))
204 keycode = usb_kbd_numkey_shifted[scancode - 0x1e];
205 else
206 keycode = usb_kbd_numkey[scancode - 0x1e];
207 }
208
209 /* Arrow keys */
210 if ((scancode >= 0x4f) && (scancode <= 0x52))
211 keycode = usb_kbd_arrow[scancode - 0x4f];
212
213 /* Numeric keypad */
214 if ((scancode >= 0x54) && (scancode <= 0x67))
215 keycode = usb_kbd_num_keypad[scancode - 0x54];
216
217 if (data->flags & USB_KBD_CTRL)
218 keycode = scancode - 0x3;
219
220 if (pressed == 1) {
221 if (scancode == NUM_LOCK) {
222 data->flags ^= USB_KBD_NUMLOCK;
223 return 1;
224 }
225
226 if (scancode == CAPS_LOCK) {
227 data->flags ^= USB_KBD_CAPSLOCK;
228 return 1;
229 }
230 if (scancode == SCROLL_LOCK) {
231 data->flags ^= USB_KBD_SCROLLLOCK;
232 return 1;
233 }
234 }
235
236 /* Report keycode if any */
237 if (keycode) {
238 debug("%c", keycode);
239 usb_kbd_put_queue(data, keycode);
240 }
241
242 return 0;
243 }
244
usb_kbd_service_key(struct usb_device * dev,int i,int up)245 static uint32_t usb_kbd_service_key(struct usb_device *dev, int i, int up)
246 {
247 uint32_t res = 0;
248 struct usb_kbd_pdata *data = dev->privptr;
249 uint8_t *new;
250 uint8_t *old;
251
252 if (up) {
253 new = data->old;
254 old = data->new;
255 } else {
256 new = data->new;
257 old = data->old;
258 }
259
260 if ((old[i] > 3) &&
261 (memscan(new + 2, old[i], USB_KBD_BOOT_REPORT_SIZE - 2) ==
262 new + USB_KBD_BOOT_REPORT_SIZE)) {
263 res |= usb_kbd_translate(data, old[i], data->new[0], up);
264 }
265
266 return res;
267 }
268
269 /* Interrupt service routine */
usb_kbd_irq_worker(struct usb_device * dev)270 static int usb_kbd_irq_worker(struct usb_device *dev)
271 {
272 struct usb_kbd_pdata *data = dev->privptr;
273 int i, res = 0;
274
275 /* No combo key pressed */
276 if (data->new[0] == 0x00)
277 data->flags &= ~USB_KBD_CTRL;
278 /* Left or Right Ctrl pressed */
279 else if ((data->new[0] == LEFT_CNTR) || (data->new[0] == RIGHT_CNTR))
280 data->flags |= USB_KBD_CTRL;
281
282 for (i = 2; i < USB_KBD_BOOT_REPORT_SIZE; i++) {
283 res |= usb_kbd_service_key(dev, i, 0);
284 res |= usb_kbd_service_key(dev, i, 1);
285 }
286
287 /* Key is still pressed */
288 if ((data->new[2] > 3) && (data->old[2] == data->new[2]))
289 res |= usb_kbd_translate(data, data->new[2], data->new[0], 2);
290
291 if (res == 1)
292 usb_kbd_setled(dev);
293
294 memcpy(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE);
295
296 return 1;
297 }
298
299 /* Keyboard interrupt handler */
usb_kbd_irq(struct usb_device * dev)300 static int usb_kbd_irq(struct usb_device *dev)
301 {
302 if ((dev->irq_status != 0) ||
303 (dev->irq_act_len != USB_KBD_BOOT_REPORT_SIZE)) {
304 debug("USB KBD: Error %lX, len %d\n",
305 dev->irq_status, dev->irq_act_len);
306 return 1;
307 }
308
309 return usb_kbd_irq_worker(dev);
310 }
311
312 /* Interrupt polling */
usb_kbd_poll_for_event(struct usb_device * dev)313 static inline void usb_kbd_poll_for_event(struct usb_device *dev)
314 {
315 #if defined(CONFIG_SYS_USB_EVENT_POLL)
316 struct usb_kbd_pdata *data = dev->privptr;
317
318 /* Submit a interrupt transfer request */
319 usb_submit_int_msg(dev, data->intpipe, &data->new[0], data->intpktsize,
320 data->intinterval);
321
322 usb_kbd_irq_worker(dev);
323 #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) || \
324 defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
325 #if defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
326 struct usb_interface *iface;
327 struct usb_kbd_pdata *data = dev->privptr;
328 iface = &dev->config.if_desc[0];
329 usb_get_report(dev, iface->desc.bInterfaceNumber,
330 1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE);
331 if (memcmp(data->old, data->new, USB_KBD_BOOT_REPORT_SIZE)) {
332 usb_kbd_irq_worker(dev);
333 #else
334 struct usb_kbd_pdata *data = dev->privptr;
335 if (poll_int_queue(dev, data->intq)) {
336 usb_kbd_irq_worker(dev);
337 /* We've consumed all queued int packets, create new */
338 destroy_int_queue(dev, data->intq);
339 data->intq = create_int_queue(dev, data->intpipe, 1,
340 USB_KBD_BOOT_REPORT_SIZE, data->new,
341 data->intinterval);
342 #endif
343 data->last_report = get_timer(0);
344 /* Repeat last usb hid report every REPEAT_RATE ms for keyrepeat */
345 } else if (data->last_report != -1 &&
346 get_timer(data->last_report) > REPEAT_RATE) {
347 usb_kbd_irq_worker(dev);
348 data->last_report = get_timer(0);
349 }
350 #endif
351 }
352
353 /* test if a character is in the queue */
354 static int usb_kbd_testc(struct stdio_dev *sdev)
355 {
356 struct stdio_dev *dev;
357 struct usb_device *usb_kbd_dev;
358 struct usb_kbd_pdata *data;
359
360 #ifdef CONFIG_CMD_NET
361 /*
362 * If net_busy_flag is 1, NET transfer is running,
363 * then we check key-pressed every second (first check may be
364 * less than 1 second) to improve TFTP booting performance.
365 */
366 if (net_busy_flag && (get_timer(kbd_testc_tms) < CONFIG_SYS_HZ))
367 return 0;
368 kbd_testc_tms = get_timer(0);
369 #endif
370 dev = stdio_get_by_name(DEVNAME);
371 usb_kbd_dev = (struct usb_device *)dev->priv;
372 data = usb_kbd_dev->privptr;
373
374 usb_kbd_poll_for_event(usb_kbd_dev);
375
376 return !(data->usb_in_pointer == data->usb_out_pointer);
377 }
378
379 /* gets the character from the queue */
380 static int usb_kbd_getc(struct stdio_dev *sdev)
381 {
382 struct stdio_dev *dev;
383 struct usb_device *usb_kbd_dev;
384 struct usb_kbd_pdata *data;
385
386 dev = stdio_get_by_name(DEVNAME);
387 usb_kbd_dev = (struct usb_device *)dev->priv;
388 data = usb_kbd_dev->privptr;
389
390 while (data->usb_in_pointer == data->usb_out_pointer)
391 usb_kbd_poll_for_event(usb_kbd_dev);
392
393 if (data->usb_out_pointer == USB_KBD_BUFFER_LEN - 1)
394 data->usb_out_pointer = 0;
395 else
396 data->usb_out_pointer++;
397
398 return data->usb_kbd_buffer[data->usb_out_pointer];
399 }
400
401 /* probes the USB device dev for keyboard type. */
402 static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
403 {
404 struct usb_interface *iface;
405 struct usb_endpoint_descriptor *ep;
406 struct usb_kbd_pdata *data;
407
408 if (dev->descriptor.bNumConfigurations != 1)
409 return 0;
410
411 iface = &dev->config.if_desc[ifnum];
412
413 if (iface->desc.bInterfaceClass != USB_CLASS_HID)
414 return 0;
415
416 if (iface->desc.bInterfaceSubClass != USB_SUB_HID_BOOT)
417 return 0;
418
419 if (iface->desc.bInterfaceProtocol != USB_PROT_HID_KEYBOARD)
420 return 0;
421
422 if (iface->desc.bNumEndpoints != 1)
423 return 0;
424
425 ep = &iface->ep_desc[0];
426
427 /* Check if endpoint 1 is interrupt endpoint */
428 if (!(ep->bEndpointAddress & 0x80))
429 return 0;
430
431 if ((ep->bmAttributes & 3) != 3)
432 return 0;
433
434 debug("USB KBD: found set protocol...\n");
435
436 data = malloc(sizeof(struct usb_kbd_pdata));
437 if (!data) {
438 printf("USB KBD: Error allocating private data\n");
439 return 0;
440 }
441
442 /* Clear private data */
443 memset(data, 0, sizeof(struct usb_kbd_pdata));
444
445 /* allocate input buffer aligned and sized to USB DMA alignment */
446 data->new = memalign(USB_DMA_MINALIGN,
447 roundup(USB_KBD_BOOT_REPORT_SIZE, USB_DMA_MINALIGN));
448
449 /* Insert private data into USB device structure */
450 dev->privptr = data;
451
452 /* Set IRQ handler */
453 dev->irq_handle = usb_kbd_irq;
454
455 data->intpipe = usb_rcvintpipe(dev, ep->bEndpointAddress);
456 data->intpktsize = min(usb_maxpacket(dev, data->intpipe),
457 USB_KBD_BOOT_REPORT_SIZE);
458 data->intinterval = ep->bInterval;
459 data->last_report = -1;
460
461 /* We found a USB Keyboard, install it. */
462 usb_set_protocol(dev, iface->desc.bInterfaceNumber, 0);
463
464 debug("USB KBD: found set idle...\n");
465 #if !defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) && \
466 !defined(CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE)
467 usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE / 4, 0);
468 #else
469 usb_set_idle(dev, iface->desc.bInterfaceNumber, 0, 0);
470 #endif
471
472 debug("USB KBD: enable interrupt pipe...\n");
473 #ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
474 data->intq = create_int_queue(dev, data->intpipe, 1,
475 USB_KBD_BOOT_REPORT_SIZE, data->new,
476 data->intinterval);
477 if (!data->intq) {
478 #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP)
479 if (usb_get_report(dev, iface->desc.bInterfaceNumber,
480 1, 0, data->new, USB_KBD_BOOT_REPORT_SIZE) < 0) {
481 #else
482 if (usb_submit_int_msg(dev, data->intpipe, data->new, data->intpktsize,
483 data->intinterval) < 0) {
484 #endif
485 printf("Failed to get keyboard state from device %04x:%04x\n",
486 dev->descriptor.idVendor, dev->descriptor.idProduct);
487 /* Abort, we don't want to use that non-functional keyboard. */
488 return 0;
489 }
490
491 /* Success. */
492 return 1;
493 }
494
495 static int probe_usb_keyboard(struct usb_device *dev)
496 {
497 char *stdinname;
498 struct stdio_dev usb_kbd_dev;
499 int error;
500
501 /* Try probing the keyboard */
502 if (usb_kbd_probe_dev(dev, 0) != 1)
503 return -ENOENT;
504
505 /* Register the keyboard */
506 debug("USB KBD: register.\n");
507 memset(&usb_kbd_dev, 0, sizeof(struct stdio_dev));
508 strcpy(usb_kbd_dev.name, DEVNAME);
509 usb_kbd_dev.flags = DEV_FLAGS_INPUT;
510 usb_kbd_dev.getc = usb_kbd_getc;
511 usb_kbd_dev.tstc = usb_kbd_testc;
512 usb_kbd_dev.priv = (void *)dev;
513 error = stdio_register(&usb_kbd_dev);
514 if (error)
515 return error;
516
517 stdinname = env_get("stdin");
518 #if CONFIG_IS_ENABLED(CONSOLE_MUX)
519 error = iomux_doenv(stdin, stdinname);
520 if (error)
521 return error;
522 #else
523 /* Check if this is the standard input device. */
524 if (strcmp(stdinname, DEVNAME))
525 return 1;
526
527 /* Reassign the console */
528 if (overwrite_console())
529 return 1;
530
531 error = console_assign(stdin, DEVNAME);
532 if (error)
533 return error;
534 #endif
535
536 return 0;
537 }
538
539 #ifndef CONFIG_DM_USB
540 /* Search for keyboard and register it if found. */
541 int drv_usb_kbd_init(void)
542 {
543 int error, i;
544
545 debug("%s: Probing for keyboard\n", __func__);
546 /* Scan all USB Devices */
547 for (i = 0; i < USB_MAX_DEVICE; i++) {
548 struct usb_device *dev;
549
550 /* Get USB device. */
551 dev = usb_get_dev_index(i);
552 if (!dev)
553 break;
554
555 if (dev->devnum == -1)
556 continue;
557
558 error = probe_usb_keyboard(dev);
559 if (!error)
560 return 1;
561 if (error && error != -ENOENT)
562 return error;
563 }
564
565 /* No USB Keyboard found */
566 return -1;
567 }
568
569 /* Deregister the keyboard. */
570 int usb_kbd_deregister(int force)
571 {
572 #if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
573 struct stdio_dev *dev;
574 struct usb_device *usb_kbd_dev;
575 struct usb_kbd_pdata *data;
576
577 dev = stdio_get_by_name(DEVNAME);
578 if (dev) {
579 usb_kbd_dev = (struct usb_device *)dev->priv;
580 data = usb_kbd_dev->privptr;
581 if (stdio_deregister_dev(dev, force) != 0)
582 return 1;
583 #if CONFIG_IS_ENABLED(CONSOLE_MUX)
584 if (iomux_doenv(stdin, env_get("stdin")) != 0)
585 return 1;
586 #endif
587 #ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
588 destroy_int_queue(usb_kbd_dev, data->intq);
589 #endif
590 free(data->new);
591 free(data);
592 }
593
594 return 0;
595 #else
596 return 1;
597 #endif
598 }
599
600 #endif
601
602 #ifdef CONFIG_DM_USB
603
604 static int usb_kbd_probe(struct udevice *dev)
605 {
606 struct usb_device *udev = dev_get_parent_priv(dev);
607
608 return probe_usb_keyboard(udev);
609 }
610
611 static int usb_kbd_remove(struct udevice *dev)
612 {
613 struct usb_device *udev = dev_get_parent_priv(dev);
614 struct usb_kbd_pdata *data;
615 struct stdio_dev *sdev;
616 int ret;
617
618 sdev = stdio_get_by_name(DEVNAME);
619 if (!sdev) {
620 ret = -ENXIO;
621 goto err;
622 }
623 data = udev->privptr;
624 if (stdio_deregister_dev(sdev, true)) {
625 ret = -EPERM;
626 goto err;
627 }
628 #if CONFIG_IS_ENABLED(CONSOLE_MUX)
629 if (iomux_doenv(stdin, env_get("stdin"))) {
630 ret = -ENOLINK;
631 goto err;
632 }
633 #endif
634 #ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
635 destroy_int_queue(udev, data->intq);
636 #endif
637 free(data->new);
638 free(data);
639
640 return 0;
641 err:
642 printf("%s: warning, ret=%d", __func__, ret);
643 return ret;
644 }
645
646 static const struct udevice_id usb_kbd_ids[] = {
647 { .compatible = "usb-keyboard" },
648 { }
649 };
650
651 U_BOOT_DRIVER(usb_kbd) = {
652 .name = "usb_kbd",
653 .id = UCLASS_KEYBOARD,
654 .of_match = usb_kbd_ids,
655 .probe = usb_kbd_probe,
656 .remove = usb_kbd_remove,
657 };
658
659 static const struct usb_device_id kbd_id_table[] = {
660 {
661 .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS |
662 USB_DEVICE_ID_MATCH_INT_SUBCLASS |
663 USB_DEVICE_ID_MATCH_INT_PROTOCOL,
664 .bInterfaceClass = USB_CLASS_HID,
665 .bInterfaceSubClass = USB_SUB_HID_BOOT,
666 .bInterfaceProtocol = USB_PROT_HID_KEYBOARD,
667 },
668 { } /* Terminating entry */
669 };
670
671 U_BOOT_USB_DEVICE(usb_kbd, kbd_id_table);
672
673 #endif
674