3 * Denis Peter, MPL AG Switzerland
5 * Most of this source has been derived from the Linux USB
8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #include <asm/byteorder.h>
31 #include <asm/unaligned.h>
35 #ifdef CONFIG_USB_STORAGE
36 static int usb_stor_curr_dev
= -1; /* current device */
38 #ifdef CONFIG_USB_HOST_ETHER
39 static int usb_ether_curr_dev
= -1; /* current ethernet device */
42 /* some display routines (info command) */
43 static char *usb_get_class_desc(unsigned char dclass
)
46 case USB_CLASS_PER_INTERFACE
:
47 return "See Interface";
51 return "Communication";
53 return "Human Interface";
54 case USB_CLASS_PRINTER
:
56 case USB_CLASS_MASS_STORAGE
:
57 return "Mass Storage";
62 case USB_CLASS_VENDOR_SPEC
:
63 return "Vendor specific";
69 static void usb_display_class_sub(unsigned char dclass
, unsigned char subclass
,
73 case USB_CLASS_PER_INTERFACE
:
74 printf("See Interface");
77 printf("Human Interface, Subclass: ");
79 case USB_SUB_HID_NONE
:
82 case USB_SUB_HID_BOOT
:
85 case USB_PROT_HID_NONE
:
88 case USB_PROT_HID_KEYBOARD
:
91 case USB_PROT_HID_MOUSE
:
104 case USB_CLASS_MASS_STORAGE
:
105 printf("Mass Storage, ");
111 printf("SFF-8020i (ATAPI)");
114 printf("QIC-157 (Tape)");
123 printf("Transp. SCSI");
132 printf("Command/Bulk");
135 printf("Command/Bulk/Int");
146 printf("%s", usb_get_class_desc(dclass
));
151 static void usb_display_string(struct usb_device
*dev
, int index
)
153 ALLOC_CACHE_ALIGN_BUFFER(char, buffer
, 256);
156 if (usb_string(dev
, index
, &buffer
[0], 256) > 0)
157 printf("String: \"%s\"", buffer
);
161 static void usb_display_desc(struct usb_device
*dev
)
163 if (dev
->descriptor
.bDescriptorType
== USB_DT_DEVICE
) {
164 printf("%d: %s, USB Revision %x.%x\n", dev
->devnum
,
165 usb_get_class_desc(dev
->config
.if_desc
[0].desc
.bInterfaceClass
),
166 (dev
->descriptor
.bcdUSB
>>8) & 0xff,
167 dev
->descriptor
.bcdUSB
& 0xff);
169 if (strlen(dev
->mf
) || strlen(dev
->prod
) ||
171 printf(" - %s %s %s\n", dev
->mf
, dev
->prod
,
173 if (dev
->descriptor
.bDeviceClass
) {
174 printf(" - Class: ");
175 usb_display_class_sub(dev
->descriptor
.bDeviceClass
,
176 dev
->descriptor
.bDeviceSubClass
,
177 dev
->descriptor
.bDeviceProtocol
);
180 printf(" - Class: (from Interface) %s\n",
182 dev
->config
.if_desc
[0].desc
.bInterfaceClass
));
184 printf(" - PacketSize: %d Configurations: %d\n",
185 dev
->descriptor
.bMaxPacketSize0
,
186 dev
->descriptor
.bNumConfigurations
);
187 printf(" - Vendor: 0x%04x Product 0x%04x Version %d.%d\n",
188 dev
->descriptor
.idVendor
, dev
->descriptor
.idProduct
,
189 (dev
->descriptor
.bcdDevice
>>8) & 0xff,
190 dev
->descriptor
.bcdDevice
& 0xff);
195 static void usb_display_conf_desc(struct usb_config_descriptor
*config
,
196 struct usb_device
*dev
)
198 printf(" Configuration: %d\n", config
->bConfigurationValue
);
199 printf(" - Interfaces: %d %s%s%dmA\n", config
->bNumInterfaces
,
200 (config
->bmAttributes
& 0x40) ? "Self Powered " : "Bus Powered ",
201 (config
->bmAttributes
& 0x20) ? "Remote Wakeup " : "",
202 config
->bMaxPower
*2);
203 if (config
->iConfiguration
) {
205 usb_display_string(dev
, config
->iConfiguration
);
210 static void usb_display_if_desc(struct usb_interface_descriptor
*ifdesc
,
211 struct usb_device
*dev
)
213 printf(" Interface: %d\n", ifdesc
->bInterfaceNumber
);
214 printf(" - Alternate Setting %d, Endpoints: %d\n",
215 ifdesc
->bAlternateSetting
, ifdesc
->bNumEndpoints
);
217 usb_display_class_sub(ifdesc
->bInterfaceClass
,
218 ifdesc
->bInterfaceSubClass
, ifdesc
->bInterfaceProtocol
);
220 if (ifdesc
->iInterface
) {
222 usb_display_string(dev
, ifdesc
->iInterface
);
227 static void usb_display_ep_desc(struct usb_endpoint_descriptor
*epdesc
)
229 printf(" - Endpoint %d %s ", epdesc
->bEndpointAddress
& 0xf,
230 (epdesc
->bEndpointAddress
& 0x80) ? "In" : "Out");
231 switch ((epdesc
->bmAttributes
& 0x03)) {
236 printf("Isochronous");
245 printf(" MaxPacket %d", get_unaligned(&epdesc
->wMaxPacketSize
));
246 if ((epdesc
->bmAttributes
& 0x03) == 0x3)
247 printf(" Interval %dms", epdesc
->bInterval
);
251 /* main routine to diasplay the configs, interfaces and endpoints */
252 static void usb_display_config(struct usb_device
*dev
)
254 struct usb_config
*config
;
255 struct usb_interface
*ifdesc
;
256 struct usb_endpoint_descriptor
*epdesc
;
259 config
= &dev
->config
;
260 usb_display_conf_desc(&config
->desc
, dev
);
261 for (i
= 0; i
< config
->no_of_if
; i
++) {
262 ifdesc
= &config
->if_desc
[i
];
263 usb_display_if_desc(&ifdesc
->desc
, dev
);
264 for (ii
= 0; ii
< ifdesc
->no_of_ep
; ii
++) {
265 epdesc
= &ifdesc
->ep_desc
[ii
];
266 usb_display_ep_desc(epdesc
);
272 static struct usb_device
*usb_find_device(int devnum
)
274 struct usb_device
*dev
;
277 for (d
= 0; d
< USB_MAX_DEVICE
; d
++) {
278 dev
= usb_get_dev_index(d
);
281 if (dev
->devnum
== devnum
)
288 static inline char *portspeed(int speed
)
290 if (speed
== USB_SPEED_HIGH
)
292 else if (speed
== USB_SPEED_LOW
)
298 /* shows the device tree recursively */
299 static void usb_show_tree_graph(struct usb_device
*dev
, char *pre
)
302 int has_child
, last_child
;
306 /* check if the device has connected children */
308 for (i
= 0; i
< dev
->maxchild
; i
++) {
309 if (dev
->children
[i
] != NULL
)
312 /* check if we are the last one */
314 if (dev
->parent
!= NULL
) {
315 for (i
= 0; i
< dev
->parent
->maxchild
; i
++) {
316 /* search for children */
317 if (dev
->parent
->children
[i
] == dev
) {
318 /* found our pointer, see if we have a
321 while (i
++ < dev
->parent
->maxchild
) {
322 if (dev
->parent
->children
[i
] != NULL
) {
329 } /* for all children of the parent */
331 /* correct last child */
334 } /* if not root hub */
337 printf("%d ", dev
->devnum
);
339 pre
[index
++] = has_child
? '|' : ' ';
341 printf(" %s (%s, %dmA)\n", usb_get_class_desc(
342 dev
->config
.if_desc
[0].desc
.bInterfaceClass
),
343 portspeed(dev
->speed
),
344 dev
->config
.desc
.bMaxPower
* 2);
345 if (strlen(dev
->mf
) || strlen(dev
->prod
) || strlen(dev
->serial
))
346 printf(" %s %s %s %s\n", pre
, dev
->mf
, dev
->prod
, dev
->serial
);
347 printf(" %s\n", pre
);
348 if (dev
->maxchild
> 0) {
349 for (i
= 0; i
< dev
->maxchild
; i
++) {
350 if (dev
->children
[i
] != NULL
) {
351 usb_show_tree_graph(dev
->children
[i
], pre
);
358 /* main routine for the tree command */
359 static void usb_show_tree(struct usb_device
*dev
)
363 memset(preamble
, 0, 32);
364 usb_show_tree_graph(dev
, &preamble
[0]);
367 static int usb_test(struct usb_device
*dev
, int port
, char* arg
)
371 if (port
> dev
->maxchild
) {
372 printf("Device is no hub or does not have %d ports.\n", port
);
379 printf("Setting Test_J mode");
380 mode
= USB_TEST_MODE_J
;
384 printf("Setting Test_K mode");
385 mode
= USB_TEST_MODE_K
;
389 printf("Setting Test_SE0_NAK mode");
390 mode
= USB_TEST_MODE_SE0_NAK
;
394 printf("Setting Test_Packet mode");
395 mode
= USB_TEST_MODE_PACKET
;
399 printf("Setting Test_Force_Enable mode");
400 mode
= USB_TEST_MODE_FORCE_ENABLE
;
403 printf("Unrecognized test mode: %s\nAvailable modes: "
404 "J, K, S[E0_NAK], P[acket], F[orce_Enable]\n", arg
);
409 printf(" on downstream facing port %d...\n", port
);
411 printf(" on upstream facing port...\n");
413 if (usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0), USB_REQ_SET_FEATURE
,
414 port
? USB_RT_PORT
: USB_RECIP_DEVICE
,
415 port
? USB_PORT_FEAT_TEST
: USB_FEAT_TEST
,
417 NULL
, 0, USB_CNTL_TIMEOUT
) == -1) {
418 printf("Error during SET_FEATURE.\n");
421 printf("Test mode successfully set. Use 'usb start' "
422 "to return to normal operation.\n");
428 /******************************************************************************
429 * usb boot command intepreter. Derived from diskboot
431 #ifdef CONFIG_USB_STORAGE
432 static int do_usbboot(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
434 return common_diskboot(cmdtp
, "usb", argc
, argv
);
436 #endif /* CONFIG_USB_STORAGE */
439 /******************************************************************************
440 * usb command intepreter
442 static int do_usb(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
446 struct usb_device
*dev
= NULL
;
447 extern char usb_started
;
448 #ifdef CONFIG_USB_STORAGE
449 block_dev_desc_t
*stor_dev
;
453 return CMD_RET_USAGE
;
455 if ((strncmp(argv
[1], "reset", 5) == 0) ||
456 (strncmp(argv
[1], "start", 5) == 0)) {
457 bootstage_mark_name(BOOTSTAGE_ID_USB_START
, "usb_start");
459 printf("(Re)start USB...\n");
460 if (usb_init() >= 0) {
461 #ifdef CONFIG_USB_STORAGE
462 /* try to recognize storage devices immediately */
463 usb_stor_curr_dev
= usb_stor_scan(1);
465 #ifdef CONFIG_USB_HOST_ETHER
466 /* try to recognize ethernet devices immediately */
467 usb_ether_curr_dev
= usb_host_eth_scan(1);
469 #ifdef CONFIG_USB_KEYBOARD
475 if (strncmp(argv
[1], "stop", 4) == 0) {
476 #ifdef CONFIG_USB_KEYBOARD
478 if (usb_kbd_deregister() != 0) {
479 printf("USB not stopped: usbkbd still"
484 /* forced stop, switch console in to serial */
485 console_assign(stdin
, "serial");
486 usb_kbd_deregister();
489 printf("stopping USB..\n");
494 printf("USB is stopped. Please issue 'usb start' first.\n");
497 if (strncmp(argv
[1], "tree", 4) == 0) {
498 puts("USB device tree:\n");
499 for (i
= 0; i
< USB_MAX_DEVICE
; i
++) {
500 dev
= usb_get_dev_index(i
);
503 if (dev
->parent
== NULL
)
508 if (strncmp(argv
[1], "inf", 3) == 0) {
511 for (d
= 0; d
< USB_MAX_DEVICE
; d
++) {
512 dev
= usb_get_dev_index(d
);
515 usb_display_desc(dev
);
516 usb_display_config(dev
);
520 i
= simple_strtoul(argv
[2], NULL
, 10);
521 printf("config for device %d\n", i
);
522 dev
= usb_find_device(i
);
524 printf("*** No device available ***\n");
527 usb_display_desc(dev
);
528 usb_display_config(dev
);
533 if (strncmp(argv
[1], "test", 4) == 0) {
535 return CMD_RET_USAGE
;
536 i
= simple_strtoul(argv
[2], NULL
, 10);
537 dev
= usb_find_device(i
);
539 printf("Device %d does not exist.\n", i
);
542 i
= simple_strtoul(argv
[3], NULL
, 10);
543 return usb_test(dev
, i
, argv
[4]);
545 #ifdef CONFIG_USB_STORAGE
546 if (strncmp(argv
[1], "stor", 4) == 0)
547 return usb_stor_info();
549 if (strncmp(argv
[1], "part", 4) == 0) {
552 for (devno
= 0; ; ++devno
) {
553 stor_dev
= usb_stor_get_dev(devno
);
554 if (stor_dev
== NULL
)
556 if (stor_dev
->type
!= DEV_TYPE_UNKNOWN
) {
560 debug("print_part of %x\n", devno
);
561 print_part(stor_dev
);
565 devno
= simple_strtoul(argv
[2], NULL
, 16);
566 stor_dev
= usb_stor_get_dev(devno
);
567 if (stor_dev
!= NULL
&&
568 stor_dev
->type
!= DEV_TYPE_UNKNOWN
) {
570 debug("print_part of %x\n", devno
);
571 print_part(stor_dev
);
575 printf("\nno USB devices available\n");
580 if (strcmp(argv
[1], "read") == 0) {
581 if (usb_stor_curr_dev
< 0) {
582 printf("no current device selected\n");
586 unsigned long addr
= simple_strtoul(argv
[2], NULL
, 16);
587 unsigned long blk
= simple_strtoul(argv
[3], NULL
, 16);
588 unsigned long cnt
= simple_strtoul(argv
[4], NULL
, 16);
590 printf("\nUSB read: device %d block # %ld, count %ld"
591 " ... ", usb_stor_curr_dev
, blk
, cnt
);
592 stor_dev
= usb_stor_get_dev(usb_stor_curr_dev
);
593 n
= stor_dev
->block_read(usb_stor_curr_dev
, blk
, cnt
,
595 printf("%ld blocks read: %s\n", n
,
596 (n
== cnt
) ? "OK" : "ERROR");
602 if (strcmp(argv
[1], "write") == 0) {
603 if (usb_stor_curr_dev
< 0) {
604 printf("no current device selected\n");
608 unsigned long addr
= simple_strtoul(argv
[2], NULL
, 16);
609 unsigned long blk
= simple_strtoul(argv
[3], NULL
, 16);
610 unsigned long cnt
= simple_strtoul(argv
[4], NULL
, 16);
612 printf("\nUSB write: device %d block # %ld, count %ld"
613 " ... ", usb_stor_curr_dev
, blk
, cnt
);
614 stor_dev
= usb_stor_get_dev(usb_stor_curr_dev
);
615 n
= stor_dev
->block_write(usb_stor_curr_dev
, blk
, cnt
,
617 printf("%ld blocks write: %s\n", n
,
618 (n
== cnt
) ? "OK" : "ERROR");
624 if (strncmp(argv
[1], "dev", 3) == 0) {
626 int dev
= (int)simple_strtoul(argv
[2], NULL
, 10);
627 printf("\nUSB device %d: ", dev
);
628 stor_dev
= usb_stor_get_dev(dev
);
629 if (stor_dev
== NULL
) {
630 printf("unknown device\n");
633 printf("\n Device %d: ", dev
);
635 if (stor_dev
->type
== DEV_TYPE_UNKNOWN
)
637 usb_stor_curr_dev
= dev
;
638 printf("... is now current device\n");
641 printf("\nUSB device %d: ", usb_stor_curr_dev
);
642 stor_dev
= usb_stor_get_dev(usb_stor_curr_dev
);
644 if (stor_dev
->type
== DEV_TYPE_UNKNOWN
)
650 #endif /* CONFIG_USB_STORAGE */
651 return CMD_RET_USAGE
;
657 "start - start (scan) USB controller\n"
658 "usb reset - reset (rescan) USB controller\n"
659 "usb stop [f] - stop USB [f]=force stop\n"
660 "usb tree - show USB device tree\n"
661 "usb info [dev] - show available USB devices\n"
662 "usb test [dev] [port] [mode] - set USB 2.0 test mode\n"
663 " (specify port 0 to indicate the device's upstream port)\n"
664 " Available modes: J, K, S[E0_NAK], P[acket], F[orce_Enable]\n"
665 #ifdef CONFIG_USB_STORAGE
666 "usb storage - show details of USB storage devices\n"
667 "usb dev [dev] - show or set current USB storage device\n"
668 "usb part [dev] - print partition table of one or all USB storage"
670 "usb read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n"
671 " to memory address `addr'\n"
672 "usb write addr blk# cnt - write `cnt' blocks starting at block `blk#'\n"
673 " from memory address `addr'"
674 #endif /* CONFIG_USB_STORAGE */
678 #ifdef CONFIG_USB_STORAGE
680 usbboot
, 3, 1, do_usbboot
,
681 "boot from USB device",
684 #endif /* CONFIG_USB_STORAGE */