/* * (C) Copyright 2001 * Denis Peter, MPL AG Switzerland * * Most of this source has been derived from the Linux USB * project. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #include <common.h> #include <command.h> #include <asm/byteorder.h> #if (CONFIG_COMMANDS & CFG_CMD_USB) #include <usb.h> #ifdef CONFIG_USB_STORAGE static int usb_stor_curr_dev=-1; /* current device */ #endif /* some display routines (info command) */ char * usb_get_class_desc(unsigned char dclass) { 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(""); } } void usb_display_class_sub(unsigned char dclass,unsigned char subclass,unsigned char proto) { 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"); break; 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; default: printf("reserved"); } 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"); break; default: printf("reserved"); } break; default: printf("%s",usb_get_class_desc(dclass)); } } void usb_display_string(struct usb_device *dev,int index) { char buffer[256]; if (index!=0) { if (usb_string(dev,index,&buffer[0],256)>0); printf("String: \"%s\"",buffer); } } void usb_display_desc(struct usb_device *dev) { if (dev->descriptor.bDescriptorType==USB_DT_DEVICE) { printf("%d: %s, USB Revision %x.%x\n",dev->devnum,usb_get_class_desc(dev->config.if_desc[0].bInterfaceClass), (dev->descriptor.bcdUSB>>8) & 0xff,dev->descriptor.bcdUSB & 0xff); if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial)) printf(" - %s %s %s\n",dev->mf,dev->prod,dev->serial); if (dev->descriptor.bDeviceClass) { printf(" - Class: "); usb_display_class_sub(dev->descriptor.bDeviceClass,dev->descriptor.bDeviceSubClass,dev->descriptor.bDeviceProtocol); printf("\n"); } else { printf(" - Class: (from Interface) %s\n",usb_get_class_desc(dev->config.if_desc[0].bInterfaceClass)); } printf(" - PacketSize: %d Configurations: %d\n",dev->descriptor.bMaxPacketSize0,dev->descriptor.bNumConfigurations); printf(" - Vendor: 0x%04x Product 0x%04x Version %d.%d\n",dev->descriptor.idVendor,dev->descriptor.idProduct,(dev->descriptor.bcdDevice>>8) & 0xff,dev->descriptor.bcdDevice & 0xff); } } void usb_display_conf_desc(struct usb_config_descriptor *config,struct usb_device *dev) { printf(" Configuration: %d\n",config->bConfigurationValue); printf(" - Interfaces: %d %s%s%dmA\n",config->bNumInterfaces,(config->bmAttributes & 0x40) ? "Self Powered " : "Bus Powered ", (config->bmAttributes & 0x20) ? "Remote Wakeup " : "",config->MaxPower*2); if (config->iConfiguration) { printf(" - "); usb_display_string(dev,config->iConfiguration); printf("\n"); } } void usb_display_if_desc(struct usb_interface_descriptor *ifdesc,struct usb_device *dev) { printf(" Interface: %d\n",ifdesc->bInterfaceNumber); printf(" - Alternate Setting %d, Endpoints: %d\n",ifdesc->bAlternateSetting,ifdesc->bNumEndpoints); printf(" - Class "); usb_display_class_sub(ifdesc->bInterfaceClass,ifdesc->bInterfaceSubClass,ifdesc->bInterfaceProtocol); printf("\n"); if (ifdesc->iInterface) { printf(" - "); usb_display_string(dev,ifdesc->iInterface); printf("\n"); } } void usb_display_ep_desc(struct usb_endpoint_descriptor *epdesc) { 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; } printf(" MaxPacket %d",epdesc->wMaxPacketSize); if ((epdesc->bmAttributes & 0x03)==0x3) printf(" Interval %dms",epdesc->bInterval); printf("\n"); } /* main routine to diasplay the configs, interfaces and endpoints */ void usb_display_config(struct usb_device *dev) { struct usb_config_descriptor *config; struct usb_interface_descriptor *ifdesc; struct usb_endpoint_descriptor *epdesc; int i,ii; config= &dev->config; usb_display_conf_desc(config,dev); for(i=0;i<config->no_of_if;i++) { ifdesc= &config->if_desc[i]; usb_display_if_desc(ifdesc,dev); for(ii=0;ii<ifdesc->no_of_ep;ii++) { epdesc= &ifdesc->ep_desc[ii]; usb_display_ep_desc(epdesc); } } printf("\n"); } /* shows the device tree recursively */ void usb_show_tree_graph(struct usb_device *dev,char *pre) { int i,index; int has_child,last_child,port; index=strlen(pre); printf(" %s",pre); /* check if the device has connected children */ has_child=0; for(i=0;i<dev->maxchild;i++) { if (dev->children[i]!=NULL) has_child=1; } /* check if we are the last one */ last_child=1; if (dev->parent!=NULL) { for(i=0;i<dev->parent->maxchild;i++) { /* search for children */ if (dev->parent->children[i]==dev) { /* found our pointer, see if we have a little sister */ port=i; while(i++<dev->parent->maxchild) { if (dev->parent->children[i]!=NULL) { /* found a sister */ last_child=0; break; } /* if */ } /* while */ } /* device found */ } /* for all children of the parent */ printf("\b+-"); /* correct last child */ if (last_child) { pre[index-1]=' '; } } /* if not root hub */ else printf(" "); printf("%d ",dev->devnum); pre[index++]=' '; pre[index++]= has_child ? '|' : ' '; pre[index]=0; printf(" %s (%s, %dmA)\n",usb_get_class_desc(dev->config.if_desc[0].bInterfaceClass), dev->slow ? "1.5MBit/s" : "12MBit/s",dev->config.MaxPower * 2); if (strlen(dev->mf) || strlen(dev->prod) || strlen(dev->serial)) printf(" %s %s %s %s\n",pre,dev->mf,dev->prod,dev->serial); printf(" %s\n",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; } } } } /* main routine for the tree command */ void usb_show_tree(struct usb_device *dev) { char preamble[32]; memset(preamble,0,32); usb_show_tree_graph(dev,&preamble[0]); } /****************************************************************************** * usb boot command intepreter. Derived from diskboot */ #ifdef CONFIG_USB_STORAGE int do_usbboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { char *boot_device = NULL; char *ep; int dev, part=1, rcode; ulong addr, cnt, checksum; disk_partition_t info; image_header_t *hdr; block_dev_desc_t *stor_dev; switch (argc) { case 1: addr = CFG_LOAD_ADDR; boot_device = getenv ("bootdevice"); break; case 2: addr = simple_strtoul(argv[1], NULL, 16); boot_device = getenv ("bootdevice"); break; case 3: addr = simple_strtoul(argv[1], NULL, 16); boot_device = argv[2]; break; default: printf ("Usage:\n%s\n", cmdtp->usage); return 1; } if (!boot_device) { puts ("\n** No boot device **\n"); return 1; } dev = simple_strtoul(boot_device, &ep, 16); stor_dev=usb_stor_get_dev(dev); if (stor_dev->type == DEV_TYPE_UNKNOWN) { printf ("\n** Device %d not available\n", dev); return 1; } if (stor_dev->block_read==NULL) { printf("storage device not initialized. Use usb scan\n"); return 1; } if (*ep) { if (*ep != ':') { puts ("\n** Invalid boot device, use `dev[:part]' **\n"); return 1; } part = simple_strtoul(++ep, NULL, 16); } if (get_partition_info (stor_dev, part, &info)) { /* try to boot raw .... */ strncpy((char *)&info.type[0], BOOT_PART_TYPE, sizeof(BOOT_PART_TYPE)); strncpy((char *)&info.name[0], "Raw", 4); info.start=0; info.blksz=0x200; info.size=2880; printf("error reading partinfo...try to boot raw\n"); } if ((strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) && (strncmp((char *)info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) { printf ("\n** Invalid partition type \"%.32s\"" " (expect \"" BOOT_PART_TYPE "\")\n", info.type); return 1; } printf ("\nLoading from USB device %d, partition %d: " "Name: %.32s Type: %.32s\n", dev, part, info.name, info.type); debug ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n", info.start, info.size, info.blksz); if (stor_dev->block_read(dev, info.start, 1, (ulong *)addr) != 1) { printf ("** Read error on %d:%d\n", dev, part); return 1; } hdr = (image_header_t *)addr; if (ntohl(hdr->ih_magic) != IH_MAGIC) { printf("\n** Bad Magic Number **\n"); return 1; } checksum = ntohl(hdr->ih_hcrc); hdr->ih_hcrc = 0; if (crc32 (0, (uchar *)hdr, sizeof(image_header_t)) != checksum) { puts ("\n** Bad Header Checksum **\n"); return 1; } hdr->ih_hcrc = htonl(checksum); /* restore checksum for later use */ print_image_hdr (hdr); cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t)); cnt += info.blksz - 1; cnt /= info.blksz; cnt -= 1; if (stor_dev->block_read (dev, info.start+1, cnt, (ulong *)(addr+info.blksz)) != cnt) { printf ("\n** Read error on %d:%d\n", dev, part); return 1; } /* Loading ok, update default load address */ load_addr = addr; flush_cache (addr, (cnt+1)*info.blksz); /* Check if we should attempt an auto-start */ if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { char *local_args[2]; extern int do_bootm (cmd_tbl_t *, int, int, char *[]); local_args[0] = argv[0]; local_args[1] = NULL; printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); rcode=do_bootm (cmdtp, 0, 1, local_args); return rcode; } return 0; } #endif /* CONFIG_USB_STORAGE */ /********************************************************************************* * usb command intepreter */ int do_usb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int i; struct usb_device *dev = NULL; extern char usb_started; #ifdef CONFIG_USB_STORAGE block_dev_desc_t *stor_dev; #endif if ((strncmp(argv[1], "reset", 5) == 0) || (strncmp(argv[1], "start", 5) == 0)){ usb_stop(); printf("(Re)start USB...\n"); i = usb_init(); #ifdef CONFIG_USB_STORAGE /* try to recognize storage devices immediately */ if (i >= 0) usb_stor_curr_dev = usb_stor_scan(1); #endif return 0; } if (strncmp(argv[1],"stop",4) == 0) { #ifdef CONFIG_USB_KEYBOARD if (argc==2) { if (usb_kbd_deregister()!=0) { printf("USB not stopped: usbkbd still using USB\n"); return 1; } } else { /* forced stop, switch console in to serial */ console_assign(stdin,"serial"); usb_kbd_deregister(); } #endif printf("stopping USB..\n"); usb_stop(); return 0; } if (!usb_started) { printf("USB is stopped. Please issue 'usb start' first.\n"); return 1; } if (strncmp(argv[1],"tree",4) == 0) { printf("\nDevice Tree:\n"); usb_show_tree(usb_get_dev_index(0)); return 0; } if (strncmp(argv[1],"inf",3) == 0) { int d; if (argc==2) { for(d=0;d<USB_MAX_DEVICE;d++) { dev=usb_get_dev_index(d); if (dev==NULL) break; usb_display_desc(dev); usb_display_config(dev); } return 0; } else { int d; i=simple_strtoul(argv[2], NULL, 16); printf("config for device %d\n",i); for(d=0;d<USB_MAX_DEVICE;d++) { dev=usb_get_dev_index(d); if (dev==NULL) break; if (dev->devnum==i) break; } if (dev==NULL) { printf("*** NO Device avaiable ***\n"); return 0; } else { usb_display_desc(dev); usb_display_config(dev); } } return 0; } #ifdef CONFIG_USB_STORAGE if (strncmp(argv[1], "scan", 4) == 0) { printf(" NOTE: this command is obsolete and will be phased out\n"); printf(" please use 'usb storage' for USB storage devices information\n\n"); usb_stor_info(); return 0; } if (strncmp(argv[1], "stor", 4) == 0) { usb_stor_info(); return 0; } if (strncmp(argv[1],"part",4) == 0) { int devno, ok; for (ok=0, devno=0; devno<USB_MAX_STOR_DEV; ++devno) { stor_dev=usb_stor_get_dev(devno); if (stor_dev->type!=DEV_TYPE_UNKNOWN) { ok++; if (devno) printf("\n"); printf("print_part of %x\n",devno); print_part(stor_dev); } } if (!ok) { printf("\nno USB devices available\n"); return 1; } return 0; } if (strcmp(argv[1],"read") == 0) { if (usb_stor_curr_dev<0) { printf("no current device selected\n"); 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 ("\nUSB 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,(n==cnt) ? "OK" : "ERROR"); if (n==cnt) return 0; return 1; } } if (strncmp(argv[1], "dev", 3) == 0) { if (argc == 3) { int dev = (int)simple_strtoul(argv[2], NULL, 10); printf ("\nUSB device %d: ", dev); if (dev >= USB_MAX_STOR_DEV) { printf("unknown device\n"); return 1; } printf ("\n Device %d: ", dev); stor_dev=usb_stor_get_dev(dev); dev_print(stor_dev); if (stor_dev->type == DEV_TYPE_UNKNOWN) { return 1; } usb_stor_curr_dev = dev; printf("... is now current device\n"); return 0; } else { printf ("\nUSB device %d: ", usb_stor_curr_dev); stor_dev=usb_stor_get_dev(usb_stor_curr_dev); dev_print(stor_dev); if (stor_dev->type == DEV_TYPE_UNKNOWN) { return 1; } return 0; } return 0; } #endif /* CONFIG_USB_STORAGE */ printf ("Usage:\n%s\n", cmdtp->usage); return 1; } #endif /* (CONFIG_COMMANDS & CFG_CMD_USB) */ #if (CONFIG_COMMANDS & CFG_CMD_USB) #ifdef CONFIG_USB_STORAGE U_BOOT_CMD( usb, 5, 1, do_usb, "usb - USB sub-system\n", "reset - reset (rescan) USB controller\n" "usb stop [f] - stop USB [f]=force stop\n" "usb tree - show USB device tree\n" "usb info [dev] - show available USB devices\n" "usb storage - show details of USB storage devices\n" "usb dev [dev] - show or set current USB storage device\n" "usb part [dev] - print partition table of one or all USB storage devices\n" "usb read addr blk# cnt - read `cnt' blocks starting at block `blk#'\n" " to memory address `addr'\n" ); U_BOOT_CMD( usbboot, 3, 1, do_usbboot, "usbboot - boot from USB device\n", "loadAddr dev:part\n" ); #else U_BOOT_CMD( usb, 5, 1, do_usb, "usb - USB sub-system\n", "reset - reset (rescan) USB controller\n" "usb tree - show USB device tree\n" "usb info [dev] - show available USB devices\n" ); #endif #endif