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common/cmd_usb.c
16.6 KB
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/* * (C) Copyright 2001 * Denis Peter, MPL AG Switzerland * * Most of this source has been derived from the Linux USB * project. * |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ #include <common.h> #include <command.h> |
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#include <asm/byteorder.h> |
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#include <asm/unaligned.h> |
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#include <part.h> |
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#include <usb.h> |
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#ifdef CONFIG_USB_STORAGE |
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static int usb_stor_curr_dev = -1; /* current device */ |
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#endif |
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#ifdef CONFIG_USB_HOST_ETHER static int usb_ether_curr_dev = -1; /* current ethernet device */ #endif |
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/* some display routines (info command) */ |
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static char *usb_get_class_desc(unsigned char dclass) |
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{ |
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switch (dclass) { case USB_CLASS_PER_INTERFACE: return "See Interface"; case USB_CLASS_AUDIO: return "Audio"; case USB_CLASS_COMM: return "Communication"; case USB_CLASS_HID: return "Human Interface"; case USB_CLASS_PRINTER: return "Printer"; case USB_CLASS_MASS_STORAGE: return "Mass Storage"; case USB_CLASS_HUB: return "Hub"; case USB_CLASS_DATA: return "CDC Data"; case USB_CLASS_VENDOR_SPEC: return "Vendor specific"; default: return ""; |
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} } |
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static void usb_display_class_sub(unsigned char dclass, unsigned char subclass, unsigned char proto) |
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{ |
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switch (dclass) { case USB_CLASS_PER_INTERFACE: printf("See Interface"); break; case USB_CLASS_HID: printf("Human Interface, Subclass: "); switch (subclass) { case USB_SUB_HID_NONE: printf("None"); |
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break; |
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case USB_SUB_HID_BOOT: printf("Boot "); switch (proto) { case USB_PROT_HID_NONE: printf("None"); break; case USB_PROT_HID_KEYBOARD: printf("Keyboard"); break; case USB_PROT_HID_MOUSE: printf("Mouse"); break; default: printf("reserved"); break; |
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} break; |
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default: printf("reserved"); break; } break; case USB_CLASS_MASS_STORAGE: printf("Mass Storage, "); switch (subclass) { case US_SC_RBC: printf("RBC "); break; case US_SC_8020: printf("SFF-8020i (ATAPI)"); break; case US_SC_QIC: printf("QIC-157 (Tape)"); break; case US_SC_UFI: printf("UFI"); break; case US_SC_8070: printf("SFF-8070"); break; case US_SC_SCSI: printf("Transp. SCSI"); break; default: printf("reserved"); break; } printf(", "); switch (proto) { case US_PR_CB: printf("Command/Bulk"); break; case US_PR_CBI: printf("Command/Bulk/Int"); break; case US_PR_BULK: printf("Bulk only"); |
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break; default: |
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printf("reserved"); break; } break; default: printf("%s", usb_get_class_desc(dclass)); break; |
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} } |
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static void usb_display_string(struct usb_device *dev, int index) |
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{ |
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ALLOC_CACHE_ALIGN_BUFFER(char, buffer, 256); |
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if (index != 0) { if (usb_string(dev, index, &buffer[0], 256) > 0) printf("String: \"%s\"", buffer); |
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} } |
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static void usb_display_desc(struct usb_device *dev) |
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{ |
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if (dev->descriptor.bDescriptorType == USB_DT_DEVICE) { printf("%d: %s, USB Revision %x.%x ", dev->devnum, |
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usb_get_class_desc(dev->config.if_desc[0].desc.bInterfaceClass), |
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(dev->descriptor.bcdUSB>>8) & 0xff, dev->descriptor.bcdUSB & 0xff); if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial)) printf(" - %s %s %s ", dev->mf, dev->prod, dev->serial); |
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if (dev->descriptor.bDeviceClass) { printf(" - Class: "); |
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usb_display_class_sub(dev->descriptor.bDeviceClass, dev->descriptor.bDeviceSubClass, dev->descriptor.bDeviceProtocol); |
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printf(" "); |
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} else { printf(" - Class: (from Interface) %s ", usb_get_class_desc( |
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dev->config.if_desc[0].desc.bInterfaceClass)); |
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} |
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printf(" - PacketSize: %d Configurations: %d ", dev->descriptor.bMaxPacketSize0, dev->descriptor.bNumConfigurations); printf(" - Vendor: 0x%04x Product 0x%04x Version %d.%d ", dev->descriptor.idVendor, dev->descriptor.idProduct, (dev->descriptor.bcdDevice>>8) & 0xff, dev->descriptor.bcdDevice & 0xff); |
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} } |
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static void usb_display_conf_desc(struct usb_config_descriptor *config, |
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struct usb_device *dev) |
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{ |
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printf(" Configuration: %d ", config->bConfigurationValue); printf(" - Interfaces: %d %s%s%dmA ", config->bNumInterfaces, (config->bmAttributes & 0x40) ? "Self Powered " : "Bus Powered ", (config->bmAttributes & 0x20) ? "Remote Wakeup " : "", |
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config->bMaxPower*2); |
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if (config->iConfiguration) { printf(" - "); |
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usb_display_string(dev, config->iConfiguration); |
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printf(" "); } } |
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static void usb_display_if_desc(struct usb_interface_descriptor *ifdesc, struct usb_device *dev) |
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{ |
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printf(" Interface: %d ", ifdesc->bInterfaceNumber); printf(" - Alternate Setting %d, Endpoints: %d ", ifdesc->bAlternateSetting, ifdesc->bNumEndpoints); |
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printf(" - Class "); |
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usb_display_class_sub(ifdesc->bInterfaceClass, ifdesc->bInterfaceSubClass, ifdesc->bInterfaceProtocol); |
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printf(" "); if (ifdesc->iInterface) { printf(" - "); |
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usb_display_string(dev, ifdesc->iInterface); |
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printf(" "); } } |
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static void usb_display_ep_desc(struct usb_endpoint_descriptor *epdesc) |
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{ |
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printf(" - Endpoint %d %s ", epdesc->bEndpointAddress & 0xf, (epdesc->bEndpointAddress & 0x80) ? "In" : "Out"); switch ((epdesc->bmAttributes & 0x03)) { case 0: printf("Control"); break; case 1: printf("Isochronous"); break; case 2: printf("Bulk"); break; case 3: printf("Interrupt"); break; |
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} |
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printf(" MaxPacket %d", get_unaligned(&epdesc->wMaxPacketSize)); |
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if ((epdesc->bmAttributes & 0x03) == 0x3) printf(" Interval %dms", epdesc->bInterval); |
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printf(" "); } /* main routine to diasplay the configs, interfaces and endpoints */ |
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static void usb_display_config(struct usb_device *dev) |
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{ |
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struct usb_config *config; struct usb_interface *ifdesc; |
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struct usb_endpoint_descriptor *epdesc; |
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int i, ii; config = &dev->config; |
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usb_display_conf_desc(&config->desc, dev); |
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for (i = 0; i < config->no_of_if; i++) { ifdesc = &config->if_desc[i]; |
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usb_display_if_desc(&ifdesc->desc, dev); |
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for (ii = 0; ii < ifdesc->no_of_ep; ii++) { epdesc = &ifdesc->ep_desc[ii]; |
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usb_display_ep_desc(epdesc); } } printf(" "); } |
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static struct usb_device *usb_find_device(int devnum) { struct usb_device *dev; int d; for (d = 0; d < USB_MAX_DEVICE; d++) { dev = usb_get_dev_index(d); if (dev == NULL) return NULL; if (dev->devnum == devnum) return dev; } return NULL; } |
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static inline char *portspeed(int speed) { |
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char *speed_str; switch (speed) { case USB_SPEED_SUPER: speed_str = "5 Gb/s"; break; case USB_SPEED_HIGH: speed_str = "480 Mb/s"; break; case USB_SPEED_LOW: speed_str = "1.5 Mb/s"; break; default: speed_str = "12 Mb/s"; break; } return speed_str; |
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} |
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/* shows the device tree recursively */ |
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static void usb_show_tree_graph(struct usb_device *dev, char *pre) |
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{ |
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int i, index; |
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int has_child, last_child; |
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index = strlen(pre); printf(" %s", pre); |
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/* check if the device has connected children */ |
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has_child = 0; for (i = 0; i < dev->maxchild; i++) { if (dev->children[i] != NULL) has_child = 1; |
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} /* check if we are the last one */ |
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last_child = 1; if (dev->parent != NULL) { for (i = 0; i < dev->parent->maxchild; i++) { |
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/* search for children */ |
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if (dev->parent->children[i] == dev) { /* found our pointer, see if we have a * little sister */ |
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while (i++ < dev->parent->maxchild) { if (dev->parent->children[i] != NULL) { |
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/* found a sister */ |
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last_child = 0; |
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break; } /* if */ } /* while */ } /* device found */ } /* for all children of the parent */ printf("\b+-"); /* correct last child */ |
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if (last_child) pre[index-1] = ' '; |
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} /* if not root hub */ else printf(" "); |
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printf("%d ", dev->devnum); pre[index++] = ' '; pre[index++] = has_child ? '|' : ' '; pre[index] = 0; printf(" %s (%s, %dmA) ", usb_get_class_desc( |
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dev->config.if_desc[0].desc.bInterfaceClass), |
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portspeed(dev->speed), |
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dev->config.desc.bMaxPower * 2); |
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if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial)) printf(" %s %s %s %s ", pre, dev->mf, dev->prod, dev->serial); printf(" %s ", pre); if (dev->maxchild > 0) { for (i = 0; i < dev->maxchild; i++) { if (dev->children[i] != NULL) { usb_show_tree_graph(dev->children[i], pre); pre[index] = 0; |
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} } } } /* main routine for the tree command */ |
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static void usb_show_tree(struct usb_device *dev) |
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{ char preamble[32]; |
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memset(preamble, 0, 32); usb_show_tree_graph(dev, &preamble[0]); |
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} |
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static int usb_test(struct usb_device *dev, int port, char* arg) { int mode; if (port > dev->maxchild) { printf("Device is no hub or does not have %d ports. ", port); return 1; } switch (arg[0]) { case 'J': case 'j': printf("Setting Test_J mode"); mode = USB_TEST_MODE_J; break; case 'K': case 'k': printf("Setting Test_K mode"); mode = USB_TEST_MODE_K; break; case 'S': case 's': printf("Setting Test_SE0_NAK mode"); mode = USB_TEST_MODE_SE0_NAK; break; case 'P': case 'p': printf("Setting Test_Packet mode"); mode = USB_TEST_MODE_PACKET; break; case 'F': case 'f': printf("Setting Test_Force_Enable mode"); mode = USB_TEST_MODE_FORCE_ENABLE; break; default: printf("Unrecognized test mode: %s Available modes: " "J, K, S[E0_NAK], P[acket], F[orce_Enable] ", arg); return 1; } if (port) printf(" on downstream facing port %d... ", port); else printf(" on upstream facing port... "); if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_FEATURE, port ? USB_RT_PORT : USB_RECIP_DEVICE, port ? USB_PORT_FEAT_TEST : USB_FEAT_TEST, (mode << 8) | port, NULL, 0, USB_CNTL_TIMEOUT) == -1) { printf("Error during SET_FEATURE. "); return 1; } else { printf("Test mode successfully set. Use 'usb start' " "to return to normal operation. "); return 0; } } |
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/****************************************************************************** * usb boot command intepreter. Derived from diskboot */ #ifdef CONFIG_USB_STORAGE |
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static int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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return common_diskboot(cmdtp, "usb", argc, argv); |
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} #endif /* CONFIG_USB_STORAGE */ |
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static int do_usb_stop_keyboard(int force) |
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{ #ifdef CONFIG_USB_KEYBOARD |
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if (usb_kbd_deregister(force) != 0) { |
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printf("USB not stopped: usbkbd still using USB "); return 1; } #endif return 0; } |
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static void do_usb_start(void) { bootstage_mark_name(BOOTSTAGE_ID_USB_START, "usb_start"); if (usb_init() < 0) return; #ifdef CONFIG_USB_STORAGE /* try to recognize storage devices immediately */ usb_stor_curr_dev = usb_stor_scan(1); #endif #ifdef CONFIG_USB_HOST_ETHER /* try to recognize ethernet devices immediately */ usb_ether_curr_dev = usb_host_eth_scan(1); #endif #ifdef CONFIG_USB_KEYBOARD drv_usb_kbd_init(); #endif } |
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/****************************************************************************** |
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* usb command intepreter */ |
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static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ int i; struct usb_device *dev = NULL; |
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extern char usb_started; |
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#ifdef CONFIG_USB_STORAGE |
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block_dev_desc_t *stor_dev; |
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#endif |
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if (argc < 2) |
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return CMD_RET_USAGE; |
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if (strncmp(argv[1], "start", 5) == 0) { if (usb_started) return 0; /* Already started */ printf("starting USB... "); do_usb_start(); return 0; } if (strncmp(argv[1], "reset", 5) == 0) { printf("resetting USB... "); |
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if (do_usb_stop_keyboard(1) != 0) |
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return 1; |
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usb_stop(); |
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do_usb_start(); |
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return 0; } |
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if (strncmp(argv[1], "stop", 4) == 0) { |
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if (argc != 2) |
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console_assign(stdin, "serial"); |
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if (do_usb_stop_keyboard(0) != 0) |
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return 1; |
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printf("stopping USB.. "); usb_stop(); return 0; } |
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if (!usb_started) { printf("USB is stopped. Please issue 'usb start' first. "); return 1; } |
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if (strncmp(argv[1], "tree", 4) == 0) { |
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puts("USB device tree: "); for (i = 0; i < USB_MAX_DEVICE; i++) { dev = usb_get_dev_index(i); if (dev == NULL) break; if (dev->parent == NULL) usb_show_tree(dev); } |
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return 0; } |
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if (strncmp(argv[1], "inf", 3) == 0) { |
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int d; |
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if (argc == 2) { for (d = 0; d < USB_MAX_DEVICE; d++) { dev = usb_get_dev_index(d); if (dev == NULL) |
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break; usb_display_desc(dev); usb_display_config(dev); } return 0; |
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} else { |
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i = simple_strtoul(argv[2], NULL, 10); |
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printf("config for device %d ", i); |
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dev = usb_find_device(i); |
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if (dev == NULL) { |
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printf("*** No device available *** "); |
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return 0; |
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} else { |
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usb_display_desc(dev); usb_display_config(dev); } } return 0; } |
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if (strncmp(argv[1], "test", 4) == 0) { if (argc < 5) return CMD_RET_USAGE; i = simple_strtoul(argv[2], NULL, 10); dev = usb_find_device(i); if (dev == NULL) { printf("Device %d does not exist. ", i); return 1; } i = simple_strtoul(argv[3], NULL, 10); return usb_test(dev, i, argv[4]); } |
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#ifdef CONFIG_USB_STORAGE |
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if (strncmp(argv[1], "stor", 4) == 0) |
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return usb_stor_info(); |
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if (strncmp(argv[1], "part", 4) == 0) { |
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int devno, ok = 0; |
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if (argc == 2) { |
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for (devno = 0; ; ++devno) { |
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stor_dev = usb_stor_get_dev(devno); |
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if (stor_dev == NULL) break; |
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if (stor_dev->type != DEV_TYPE_UNKNOWN) { |
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ok++; if (devno) printf(" "); |
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debug("print_part of %x ", devno); |
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print_part(stor_dev); } } |
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} else { devno = simple_strtoul(argv[2], NULL, 16); stor_dev = usb_stor_get_dev(devno); |
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if (stor_dev != NULL && stor_dev->type != DEV_TYPE_UNKNOWN) { |
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ok++; |
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debug("print_part of %x ", devno); |
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print_part(stor_dev); } } if (!ok) { printf(" no USB devices available "); return 1; } return 0; } |
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if (strcmp(argv[1], "read") == 0) { if (usb_stor_curr_dev < 0) { |
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printf("no current device selected "); return 1; } |
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if (argc == 5) { |
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unsigned long addr = simple_strtoul(argv[2], NULL, 16); unsigned long blk = simple_strtoul(argv[3], NULL, 16); unsigned long cnt = simple_strtoul(argv[4], NULL, 16); unsigned long n; |
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|
627 628 629 630 631 632 633 634 635 636 |
printf(" USB read: device %d block # %ld, count %ld" " ... ", usb_stor_curr_dev, blk, cnt); stor_dev = usb_stor_get_dev(usb_stor_curr_dev); n = stor_dev->block_read(usb_stor_curr_dev, blk, cnt, (ulong *)addr); printf("%ld blocks read: %s ", n, (n == cnt) ? "OK" : "ERROR"); if (n == cnt) |
e887afc9d
|
637 638 639 640 |
return 0; return 1; } } |
127e10842
|
641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 |
if (strcmp(argv[1], "write") == 0) { if (usb_stor_curr_dev < 0) { printf("no current device selected "); return 1; } if (argc == 5) { unsigned long addr = simple_strtoul(argv[2], NULL, 16); unsigned long blk = simple_strtoul(argv[3], NULL, 16); unsigned long cnt = simple_strtoul(argv[4], NULL, 16); unsigned long n; printf(" USB write: device %d block # %ld, count %ld" " ... ", usb_stor_curr_dev, blk, cnt); stor_dev = usb_stor_get_dev(usb_stor_curr_dev); n = stor_dev->block_write(usb_stor_curr_dev, blk, cnt, (ulong *)addr); printf("%ld blocks write: %s ", n, (n == cnt) ? "OK" : "ERROR"); if (n == cnt) return 0; return 1; } } |
9c998aa83
|
666 667 |
if (strncmp(argv[1], "dev", 3) == 0) { if (argc == 3) { |
e887afc9d
|
668 |
int dev = (int)simple_strtoul(argv[2], NULL, 10); |
de39f8c19
|
669 670 |
printf(" USB device %d: ", dev); |
aaad108b8
|
671 672 |
stor_dev = usb_stor_get_dev(dev); if (stor_dev == NULL) { |
e887afc9d
|
673 674 675 676 |
printf("unknown device "); return 1; } |
de39f8c19
|
677 678 |
printf(" Device %d: ", dev); |
e887afc9d
|
679 |
dev_print(stor_dev); |
de39f8c19
|
680 |
if (stor_dev->type == DEV_TYPE_UNKNOWN) |
e887afc9d
|
681 |
return 1; |
e887afc9d
|
682 683 684 685 |
usb_stor_curr_dev = dev; printf("... is now current device "); return 0; |
de39f8c19
|
686 687 688 689 |
} else { printf(" USB device %d: ", usb_stor_curr_dev); stor_dev = usb_stor_get_dev(usb_stor_curr_dev); |
e887afc9d
|
690 |
dev_print(stor_dev); |
de39f8c19
|
691 |
if (stor_dev->type == DEV_TYPE_UNKNOWN) |
e887afc9d
|
692 |
return 1; |
e887afc9d
|
693 694 695 696 697 |
return 0; } return 0; } #endif /* CONFIG_USB_STORAGE */ |
4c12eeb8b
|
698 |
return CMD_RET_USAGE; |
e887afc9d
|
699 |
} |
0d4983930
|
700 701 |
U_BOOT_CMD( usb, 5, 1, do_usb, |
2fb2604d5
|
702 |
"USB sub-system", |
1af9f9633
|
703 704 705 706 |
"start - start (scan) USB controller " "usb reset - reset (rescan) USB controller " |
b3813a221
|
707 708 709 710 |
"usb stop [f] - stop USB [f]=force stop " "usb tree - show USB device tree " |
5cf91d6bd
|
711 712 |
"usb info [dev] - show available USB devices " |
7d9aa8fd8
|
713 714 715 716 717 718 719 |
"usb test [dev] [port] [mode] - set USB 2.0 test mode " " (specify port 0 to indicate the device's upstream port) " " Available modes: J, K, S[E0_NAK], P[acket], F[orce_Enable] " #ifdef CONFIG_USB_STORAGE |
b3813a221
|
720 721 |
"usb storage - show details of USB storage devices " |
342717f72
|
722 723 |
"usb dev [dev] - show or set current USB storage device " |
de39f8c19
|
724 |
"usb part [dev] - print partition table of one or all USB storage" |
7d9aa8fd8
|
725 726 |
" devices " |
5cf91d6bd
|
727 728 |
"usb read addr blk# cnt - read `cnt' blocks starting at block `blk#' " |
842404ea0
|
729 730 |
" to memory address `addr' " |
127e10842
|
731 732 733 |
"usb write addr blk# cnt - write `cnt' blocks starting at block `blk#' " " from memory address `addr'" |
7d9aa8fd8
|
734 |
#endif /* CONFIG_USB_STORAGE */ |
8bde7f776
|
735 |
); |
7d9aa8fd8
|
736 |
#ifdef CONFIG_USB_STORAGE |
0d4983930
|
737 738 |
U_BOOT_CMD( usbboot, 3, 1, do_usbboot, |
2fb2604d5
|
739 |
"boot from USB device", |
a89c33db9
|
740 |
"loadAddr dev:part" |
8bde7f776
|
741 |
); |
7d9aa8fd8
|
742 |
#endif /* CONFIG_USB_STORAGE */ |