680 lines
16 KiB
C
680 lines
16 KiB
C
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland
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*
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* Most of this source has been derived from the Linux USB
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* project.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#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
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static int usb_ether_curr_dev = -1; /* current ethernet device */
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#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) {
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case USB_CLASS_PER_INTERFACE:
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return "See Interface";
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case USB_CLASS_AUDIO:
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return "Audio";
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case USB_CLASS_COMM:
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return "Communication";
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case USB_CLASS_HID:
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return "Human Interface";
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case USB_CLASS_PRINTER:
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return "Printer";
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case USB_CLASS_MASS_STORAGE:
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return "Mass Storage";
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case USB_CLASS_HUB:
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return "Hub";
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case USB_CLASS_DATA:
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return "CDC Data";
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case USB_CLASS_VENDOR_SPEC:
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return "Vendor specific";
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default:
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return "";
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}
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}
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static void usb_display_class_sub(unsigned char dclass, unsigned char subclass,
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unsigned char proto)
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{
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switch (dclass) {
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case USB_CLASS_PER_INTERFACE:
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printf("See Interface");
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break;
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case USB_CLASS_HID:
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printf("Human Interface, Subclass: ");
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switch (subclass) {
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case USB_SUB_HID_NONE:
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printf("None");
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break;
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case USB_SUB_HID_BOOT:
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printf("Boot ");
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switch (proto) {
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case USB_PROT_HID_NONE:
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printf("None");
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break;
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case USB_PROT_HID_KEYBOARD:
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printf("Keyboard");
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break;
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case USB_PROT_HID_MOUSE:
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printf("Mouse");
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break;
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default:
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printf("reserved");
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break;
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}
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break;
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default:
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printf("reserved");
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break;
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}
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break;
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case USB_CLASS_MASS_STORAGE:
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printf("Mass Storage, ");
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switch (subclass) {
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case US_SC_RBC:
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printf("RBC ");
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break;
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case US_SC_8020:
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printf("SFF-8020i (ATAPI)");
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break;
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case US_SC_QIC:
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printf("QIC-157 (Tape)");
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break;
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case US_SC_UFI:
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printf("UFI");
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break;
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case US_SC_8070:
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printf("SFF-8070");
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break;
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case US_SC_SCSI:
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printf("Transp. SCSI");
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break;
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default:
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printf("reserved");
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break;
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}
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printf(", ");
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switch (proto) {
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case US_PR_CB:
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printf("Command/Bulk");
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break;
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case US_PR_CBI:
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printf("Command/Bulk/Int");
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break;
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case US_PR_BULK:
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printf("Bulk only");
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break;
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default:
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printf("reserved");
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break;
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}
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break;
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default:
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printf("%s", usb_get_class_desc(dclass));
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break;
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}
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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) {
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if (usb_string(dev, index, &buffer[0], 256) > 0)
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printf("String: \"%s\"", buffer);
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}
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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) {
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printf("%d: %s, USB Revision %x.%x\n", 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,
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dev->descriptor.bcdUSB & 0xff);
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if (strlen(dev->mf) || strlen(dev->prod) ||
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strlen(dev->serial))
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printf(" - %s %s %s\n", dev->mf, dev->prod,
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dev->serial);
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if (dev->descriptor.bDeviceClass) {
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printf(" - Class: ");
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usb_display_class_sub(dev->descriptor.bDeviceClass,
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dev->descriptor.bDeviceSubClass,
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dev->descriptor.bDeviceProtocol);
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printf("\n");
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} else {
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printf(" - Class: (from Interface) %s\n",
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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\n",
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dev->descriptor.bMaxPacketSize0,
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dev->descriptor.bNumConfigurations);
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printf(" - Vendor: 0x%04x Product 0x%04x Version %d.%d\n",
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dev->descriptor.idVendor, dev->descriptor.idProduct,
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(dev->descriptor.bcdDevice>>8) & 0xff,
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dev->descriptor.bcdDevice & 0xff);
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}
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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\n", config->bConfigurationValue);
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printf(" - Interfaces: %d %s%s%dmA\n", config->bNumInterfaces,
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(config->bmAttributes & 0x40) ? "Self Powered " : "Bus Powered ",
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(config->bmAttributes & 0x20) ? "Remote Wakeup " : "",
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config->bMaxPower*2);
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if (config->iConfiguration) {
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printf(" - ");
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usb_display_string(dev, config->iConfiguration);
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printf("\n");
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}
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}
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static void usb_display_if_desc(struct usb_interface_descriptor *ifdesc,
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struct usb_device *dev)
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{
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printf(" Interface: %d\n", ifdesc->bInterfaceNumber);
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printf(" - Alternate Setting %d, Endpoints: %d\n",
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ifdesc->bAlternateSetting, ifdesc->bNumEndpoints);
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printf(" - Class ");
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usb_display_class_sub(ifdesc->bInterfaceClass,
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ifdesc->bInterfaceSubClass, ifdesc->bInterfaceProtocol);
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printf("\n");
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if (ifdesc->iInterface) {
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printf(" - ");
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usb_display_string(dev, ifdesc->iInterface);
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printf("\n");
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}
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}
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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,
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(epdesc->bEndpointAddress & 0x80) ? "In" : "Out");
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switch ((epdesc->bmAttributes & 0x03)) {
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case 0:
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printf("Control");
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break;
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case 1:
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printf("Isochronous");
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break;
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case 2:
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printf("Bulk");
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break;
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case 3:
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printf("Interrupt");
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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)
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printf(" Interval %dms", epdesc->bInterval);
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printf("\n");
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}
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/* 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;
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struct usb_interface *ifdesc;
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struct usb_endpoint_descriptor *epdesc;
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int i, ii;
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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++) {
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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++) {
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epdesc = &ifdesc->ep_desc[ii];
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usb_display_ep_desc(epdesc);
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}
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}
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printf("\n");
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}
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static struct usb_device *usb_find_device(int devnum)
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{
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struct usb_device *dev;
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int d;
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for (d = 0; d < USB_MAX_DEVICE; d++) {
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dev = usb_get_dev_index(d);
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if (dev == NULL)
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return NULL;
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if (dev->devnum == devnum)
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return dev;
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}
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return NULL;
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}
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static inline char *portspeed(int speed)
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{
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char *speed_str;
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switch (speed) {
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case USB_SPEED_SUPER:
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speed_str = "5 Gb/s";
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break;
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case USB_SPEED_HIGH:
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speed_str = "480 Mb/s";
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break;
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case USB_SPEED_LOW:
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speed_str = "1.5 Mb/s";
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break;
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default:
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speed_str = "12 Mb/s";
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break;
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}
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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);
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printf(" %s", pre);
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/* check if the device has connected children */
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has_child = 0;
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for (i = 0; i < dev->maxchild; i++) {
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if (dev->children[i] != NULL)
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has_child = 1;
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}
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/* check if we are the last one */
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last_child = 1;
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if (dev->parent != NULL) {
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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) {
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/* found our pointer, see if we have a
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* little sister
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*/
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while (i++ < dev->parent->maxchild) {
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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;
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} /* if */
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} /* while */
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} /* device found */
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} /* for all children of the parent */
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printf("\b+-");
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/* correct last child */
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if (last_child)
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pre[index-1] = ' ';
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} /* if not root hub */
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else
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printf(" ");
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printf("%d ", dev->devnum);
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pre[index++] = ' ';
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pre[index++] = has_child ? '|' : ' ';
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pre[index] = 0;
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printf(" %s (%s, %dmA)\n", 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))
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printf(" %s %s %s %s\n", pre, dev->mf, dev->prod, dev->serial);
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printf(" %s\n", pre);
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if (dev->maxchild > 0) {
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for (i = 0; i < dev->maxchild; i++) {
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if (dev->children[i] != NULL) {
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usb_show_tree_graph(dev->children[i], pre);
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pre[index] = 0;
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}
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}
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}
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}
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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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{
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char preamble[32];
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memset(preamble, 0, 32);
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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)
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{
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int mode;
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if (port > dev->maxchild) {
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printf("Device is no hub or does not have %d ports.\n", port);
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return 1;
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}
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switch (arg[0]) {
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case 'J':
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case 'j':
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printf("Setting Test_J mode");
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mode = USB_TEST_MODE_J;
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break;
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case 'K':
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case 'k':
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printf("Setting Test_K mode");
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mode = USB_TEST_MODE_K;
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break;
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case 'S':
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case 's':
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printf("Setting Test_SE0_NAK mode");
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mode = USB_TEST_MODE_SE0_NAK;
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break;
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case 'P':
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case 'p':
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printf("Setting Test_Packet mode");
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mode = USB_TEST_MODE_PACKET;
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break;
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case 'F':
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case 'f':
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printf("Setting Test_Force_Enable mode");
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mode = USB_TEST_MODE_FORCE_ENABLE;
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break;
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default:
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printf("Unrecognized test mode: %s\nAvailable modes: "
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"J, K, S[E0_NAK], P[acket], F[orce_Enable]\n", arg);
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return 1;
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}
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if (port)
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printf(" on downstream facing port %d...\n", port);
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else
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printf(" on upstream facing port...\n");
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if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_FEATURE,
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port ? USB_RT_PORT : USB_RECIP_DEVICE,
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port ? USB_PORT_FEAT_TEST : USB_FEAT_TEST,
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(mode << 8) | port,
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NULL, 0, USB_CNTL_TIMEOUT) == -1) {
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printf("Error during SET_FEATURE.\n");
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return 1;
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} else {
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printf("Test mode successfully set. Use 'usb start' "
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"to return to normal operation.\n");
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return 0;
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}
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}
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/******************************************************************************
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* usb boot command intepreter. Derived from diskboot
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*/
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#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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}
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#endif /* CONFIG_USB_STORAGE */
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/******************************************************************************
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* usb command intepreter
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*/
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static int do_usb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int i;
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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], "reset", 5) == 0) ||
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(strncmp(argv[1], "start", 5) == 0)) {
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bootstage_mark_name(BOOTSTAGE_ID_USB_START, "usb_start");
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usb_stop();
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printf("(Re)start USB...\n");
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if (usb_init() >= 0) {
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#ifdef CONFIG_USB_STORAGE
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/* try to recognize storage devices immediately */
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usb_stor_curr_dev = usb_stor_scan(1);
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#endif
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#ifdef CONFIG_USB_HOST_ETHER
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/* try to recognize ethernet devices immediately */
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usb_ether_curr_dev = usb_host_eth_scan(1);
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#endif
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#ifdef CONFIG_USB_KEYBOARD
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drv_usb_kbd_init();
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#endif
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}
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return 0;
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}
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if (strncmp(argv[1], "stop", 4) == 0) {
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#ifdef CONFIG_USB_KEYBOARD
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if (argc == 2) {
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if (usb_kbd_deregister() != 0) {
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printf("USB not stopped: usbkbd still"
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" using USB\n");
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return 1;
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}
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} else {
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/* forced stop, switch console in to serial */
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console_assign(stdin, "serial");
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usb_kbd_deregister();
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}
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#endif
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printf("stopping USB..\n");
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usb_stop();
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return 0;
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}
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if (!usb_started) {
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printf("USB is stopped. Please issue 'usb start' first.\n");
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return 1;
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}
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if (strncmp(argv[1], "tree", 4) == 0) {
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puts("USB device tree:\n");
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for (i = 0; i < USB_MAX_DEVICE; i++) {
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dev = usb_get_dev_index(i);
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if (dev == NULL)
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break;
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if (dev->parent == NULL)
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usb_show_tree(dev);
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}
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return 0;
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}
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if (strncmp(argv[1], "inf", 3) == 0) {
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int d;
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if (argc == 2) {
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for (d = 0; d < USB_MAX_DEVICE; d++) {
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dev = usb_get_dev_index(d);
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if (dev == NULL)
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break;
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usb_display_desc(dev);
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usb_display_config(dev);
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}
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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\n", 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 ***\n");
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return 0;
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} else {
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usb_display_desc(dev);
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usb_display_config(dev);
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}
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}
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return 0;
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}
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if (strncmp(argv[1], "test", 4) == 0) {
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if (argc < 5)
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return CMD_RET_USAGE;
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i = simple_strtoul(argv[2], NULL, 10);
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dev = usb_find_device(i);
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if (dev == NULL) {
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printf("Device %d does not exist.\n", i);
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return 1;
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}
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i = simple_strtoul(argv[3], NULL, 10);
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return usb_test(dev, i, argv[4]);
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}
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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) {
|
|
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 */
|