--- /dev/null
+/*
+ * (C) Copyright 2001
+ * Denis Peter, MPL AG Switzerland
+ *
+ * Most of this source has been derived from the Linux USB
+ * project.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/byteorder.h>
+#include <asm/unaligned.h>
+#include <part.h>
+#include <usb.h>
+
+#ifdef CONFIG_USB_STORAGE
+static int usb_stor_curr_dev = -1; /* current device */
+#endif
+#ifdef CONFIG_USB_HOST_ETHER
+static int usb_ether_curr_dev = -1; /* current ethernet device */
+#endif
+
+/* some display routines (info command) */
+static 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 "";
+ }
+}
+
+static 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;
+ }
+ break;
+ 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");
+ break;
+ default:
+ printf("reserved");
+ break;
+ }
+ break;
+ default:
+ printf("%s", usb_get_class_desc(dclass));
+ break;
+ }
+}
+
+static void usb_display_string(struct usb_device *dev, int index)
+{
+ ALLOC_CACHE_ALIGN_BUFFER(char, buffer, 256);
+
+ if (index != 0) {
+ if (usb_string(dev, index, &buffer[0], 256) > 0)
+ printf("String: \"%s\"", buffer);
+ }
+}
+
+static 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].desc.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].desc.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);
+ }
+
+}
+
+static 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->bMaxPower*2);
+ if (config->iConfiguration) {
+ printf(" - ");
+ usb_display_string(dev, config->iConfiguration);
+ printf("\n");
+ }
+}
+
+static 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");
+ }
+}
+
+static 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", get_unaligned(&epdesc->wMaxPacketSize));
+ if ((epdesc->bmAttributes & 0x03) == 0x3)
+ printf(" Interval %dms", epdesc->bInterval);
+ printf("\n");
+}
+
+/* main routine to diasplay the configs, interfaces and endpoints */
+static void usb_display_config(struct usb_device *dev)
+{
+ struct usb_config *config;
+ struct usb_interface *ifdesc;
+ struct usb_endpoint_descriptor *epdesc;
+ int i, ii;
+
+ config = &dev->config;
+ usb_display_conf_desc(&config->desc, dev);
+ for (i = 0; i < config->no_of_if; i++) {
+ ifdesc = &config->if_desc[i];
+ usb_display_if_desc(&ifdesc->desc, dev);
+ for (ii = 0; ii < ifdesc->no_of_ep; ii++) {
+ epdesc = &ifdesc->ep_desc[ii];
+ usb_display_ep_desc(epdesc);
+ }
+ }
+ printf("\n");
+}
+
+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;
+}
+
+static inline char *portspeed(int speed)
+{
+ 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;
+}
+
+/* shows the device tree recursively */
+static void usb_show_tree_graph(struct usb_device *dev, char *pre)
+{
+ int i, index;
+ int has_child, last_child;
+
+ 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
+ */
+ 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].desc.bInterfaceClass),
+ portspeed(dev->speed),
+ dev->config.desc.bMaxPower * 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 */
+static void usb_show_tree(struct usb_device *dev)
+{
+ char preamble[32];
+
+ memset(preamble, 0, 32);
+ usb_show_tree_graph(dev, &preamble[0]);
+}
+
+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.\n", 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\nAvailable modes: "
+ "J, K, S[E0_NAK], P[acket], F[orce_Enable]\n", arg);
+ return 1;
+ }
+
+ if (port)
+ printf(" on downstream facing port %d...\n", port);
+ else
+ printf(" on upstream facing port...\n");
+
+ 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.\n");
+ return 1;
+ } else {
+ printf("Test mode successfully set. Use 'usb start' "
+ "to return to normal operation.\n");
+ return 0;
+ }
+}
+
+
+/******************************************************************************
+ * usb boot command intepreter. Derived from diskboot
+ */
+#ifdef CONFIG_USB_STORAGE
+static int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return common_diskboot(cmdtp, "usb", argc, argv);
+}
+#endif /* CONFIG_USB_STORAGE */
+
+
+/******************************************************************************
+ * usb command intepreter
+ */
+static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+
+ int i;
+ struct usb_device *dev = NULL;
+ extern char usb_started;
+#ifdef CONFIG_USB_STORAGE
+ block_dev_desc_t *stor_dev;
+#endif
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ if ((strncmp(argv[1], "reset", 5) == 0) ||
+ (strncmp(argv[1], "start", 5) == 0)) {
+ bootstage_mark_name(BOOTSTAGE_ID_USB_START, "usb_start");
+ usb_stop();
+ printf("(Re)start USB...\n");
+ if (usb_init() >= 0) {
+#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
+ }
+ 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) {
+ puts("USB device tree:\n");
+ 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);
+ }
+ 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 {
+ i = simple_strtoul(argv[2], NULL, 10);
+ printf("config for device %d\n", i);
+ dev = usb_find_device(i);
+ if (dev == NULL) {
+ printf("*** No device available ***\n");
+ return 0;
+ } else {
+ usb_display_desc(dev);
+ usb_display_config(dev);
+ }
+ }
+ return 0;
+ }
+ 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.\n", i);
+ return 1;
+ }
+ i = simple_strtoul(argv[3], NULL, 10);
+ return usb_test(dev, i, argv[4]);
+ }
+#ifdef CONFIG_USB_STORAGE
+ if (strncmp(argv[1], "stor", 4) == 0)
+ return usb_stor_info();
+
+ if (strncmp(argv[1], "part", 4) == 0) {
+ int devno, ok = 0;
+ if (argc == 2) {
+ for (devno = 0; ; ++devno) {
+ stor_dev = usb_stor_get_dev(devno);
+ if (stor_dev == NULL)
+ break;
+ if (stor_dev->type != DEV_TYPE_UNKNOWN) {
+ ok++;
+ if (devno)
+ printf("\n");
+ debug("print_part of %x\n", devno);
+ print_part(stor_dev);
+ }
+ }
+ } else {
+ devno = simple_strtoul(argv[2], NULL, 16);
+ stor_dev = usb_stor_get_dev(devno);
+ if (stor_dev != NULL &&
+ stor_dev->type != DEV_TYPE_UNKNOWN) {
+ ok++;
+ debug("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 (strcmp(argv[1], "write") == 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 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,
+ (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);
+ stor_dev = usb_stor_get_dev(dev);
+ if (stor_dev == NULL) {
+ printf("unknown device\n");
+ return 1;
+ }
+ printf("\n Device %d: ", 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 */
+ return CMD_RET_USAGE;
+}
+
+U_BOOT_CMD(
+ usb, 5, 1, do_usb,
+ "USB sub-system",
+ "start - start (scan) USB controller\n"
+ "usb 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 test [dev] [port] [mode] - set USB 2.0 test mode\n"
+ " (specify port 0 to indicate the device's upstream port)\n"
+ " Available modes: J, K, S[E0_NAK], P[acket], F[orce_Enable]\n"
+#ifdef CONFIG_USB_STORAGE
+ "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"
+ "usb write addr blk# cnt - write `cnt' blocks starting at block `blk#'\n"
+ " from memory address `addr'"
+#endif /* CONFIG_USB_STORAGE */
+);
+
+
+#ifdef CONFIG_USB_STORAGE
+U_BOOT_CMD(
+ usbboot, 3, 1, do_usbboot,
+ "boot from USB device",
+ "loadAddr dev:part"
+);
+#endif /* CONFIG_USB_STORAGE */
Code Review / kvmfornfv.git / blobdiff