/* * Most of this source has been derived from the Linux USB * project: * (C) Copyright Linus Torvalds 1999 * (C) Copyright Johannes Erdfelt 1999-2001 * (C) Copyright Andreas Gal 1999 * (C) Copyright Gregory P. Smith 1999 * (C) Copyright Deti Fliegl 1999 (new USB architecture) * (C) Copyright Randy Dunlap 2000 * (C) Copyright David Brownell 2000 (kernel hotplug, usb_device_id) * (C) Copyright Yggdrasil Computing, Inc. 2000 * (usb_device_id matching changes by Adam J. Richter) * * Adapted for U-Boot: * (C) Copyright 2001 Denis Peter, MPL AG Switzerland * * SPDX-License-Identifier: GPL-2.0+ */ /* * How it works: * * Since this is a bootloader, the devices will not be automatic * (re)configured on hotplug, but after a restart of the USB the * device should work. * * For each transfer (except "Interrupt") we wait for completion. */ #include #include #include #include #include #include //#include #include #include #ifdef CONFIG_4xx #include #endif #define USB_BUFSIZ 512 static struct usb_device usb_dev[USB_MAX_DEVICE]; static int dev_index; static int asynch_allowed; //static struct devrequest setup_packet; #if (MP_USB_MSTAR==1) extern void SetControl1MaxPacketEx(unsigned char max, int port); extern void USB_Bulk_InitEx(struct usb_device *dev, int port); extern void USB_Interrupt_InitEx(struct usb_device *dev, int port); extern void Usb_host_SetEverInited(int val); #ifdef ENABLE_USB_LAN_MODULE extern int usb_lan_initialize(struct usb_device *udev); #endif #endif /* MP_USB_MSTAR==1 */ #define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);}) #if defined(CONFIG_USB_XHCI) && defined(ENABLE_XHC) extern struct xhci_hcd ms_xhci; extern int gXHCI_rh_port_sel; extern int USB3_init(void); extern void ms_usb_reset_ept(struct usb_device *pDev, unsigned int ept_addr); extern int USB3_enumerate(struct usb_device *pdev); extern int ms_xhci_dev_enum(struct xhci_hcd *xhci, struct usb_device *dev, int rh_port); extern void MDrv_UsbEnableXhciPower(u8 enable); #endif char usb_started; /* flag for the started/stopped USB status */ extern void SetControl1MaxPacket(unsigned char max); extern void SetControl1MaxPacket2(unsigned char max); extern void SetControl1MaxPacket3(unsigned char max); extern void SetControl1MaxPacket4(unsigned char max); extern int hub_port_reset(struct usb_device *dev, int port, unsigned short *portstat); extern void USB_Bulk_Init(struct usb_device *dev); extern void USB_Bulk_Init2(struct usb_device *dev); extern void USB_Bulk_Init3(struct usb_device *dev); extern void msAPI_Timer_Delayms(unsigned long u32DelayTime); //unit = ms #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 #endif int usb_scan_devices(void); int usb_hub_probe(struct usb_device *dev, int ifnum); void usb_hub_reset(void); /*********************************************************************** * wait_ms */ void wait_ms(unsigned long ms) { #if 0 msAPI_Timer_Delayms(ms); #else while(ms-->0) udelay(1000); #endif } /*************************************************************************** * Init USB Device */ int UsbPortSelect; int usb_preinit(int port) { int result=0; #if 0 //#if defined (CONFIG_TITANIA8) || defined(CONFIG_JANUS2) // Force USB to use MIU0. *((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) & 0xF1) ; *((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) & 0xF1) ; #endif printf("Check USB port[%d]:\n", port); UsbPortSelect=port; dev_index=0; asynch_allowed=1; usb_hub_reset(); /* init low_level USB */ //retry: result = usb_lowlevel_preinit(); /* if lowlevel init is OK, scan the bus for devices i.e. search HUBs and configure them */ if(result==0) { printf("scanning bus for devices... "); //running=1; result=usb_scan_devices(); if(result) { printf("Error, bad or unsupported device...\n"); usb_started = 0; return -1; } usb_started = 1; return 0; } else { //printf("Error, couldn't init Lowlevel part\n"); usb_started = 0; return -1; } } int _usb_init(int port) { int result=0; #if (MP_USB_MSTAR==1) #if defined(ENABLE_FIFTH_EHC) const char u8UsbPortCount = 5; #elif defined(ENABLE_FOURTH_EHC) const char u8UsbPortCount = 4; #elif defined(ENABLE_THIRD_EHC) const char u8UsbPortCount = 3; #elif defined(ENABLE_SECOND_EHC) const char u8UsbPortCount = 2; #else const char u8UsbPortCount = 1; #endif char idx; USB_Power_On(); #if 0 //#if defined (CONFIG_TITANIA8) || defined(CONFIG_JANUS2) // Force USB to use MIU0. *((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) & 0xF1) ; *((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) & 0xF1) ; #endif //Stop USB controller to prevent multi HCDs accessing the same data content for(idx=0; idx= 0 && ext_hub_port < 16) { target_ext_hub_port = ext_hub_port; } else return 0; target_ext_hub_port = ext_hub_port; printf("[USB] target exthub port: %d\n", target_ext_hub_port); return _usb_init(port); } int usb_post_init(int port) { int result=0; #if 0 //#if defined (CONFIG_TITANIA8) || defined(CONFIG_JANUS2) // Force USB to use MIU0. *((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x600*2+0xF0*2+1)) & 0xF1) ; *((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) = (*((unsigned char volatile *)(0xBF200000+0x1200*2+0xF0*2+1)) & 0xF1) ; #endif printf("Check USB port[%d]:\n", port); UsbPortSelect=port; dev_index=0; asynch_allowed=1; printf("Check USB port[%d]:\n", port); //usb_hub_reset(); /* init low_level USB */ //retry: result = usb_lowlevel_postinit(); /* if lowlevel init is OK, scan the bus for devices i.e. search HUBs and configure them */ if(result==0) { printf("scanning bus for devices... "); //running=1; result=usb_scan_devices(); if(result) { printf("Error, bad or unsupported device...\n"); usb_started = 0; return -1; } usb_started = 1; #if (CONFIG_COMMANDS & CFG_CMD_FAT) { char cmd_buf[32]; extern int snprintf(char *str, size_t size, const char *fmt, ...); memset(cmd_buf, 0 , sizeof(cmd_buf)); snprintf(cmd_buf, sizeof(cmd_buf), "setenv %s", ENV_PARTNO); run_command(cmd_buf, 0); } #endif return 0; } else { printf("Error, couldn't init Lowlevel part\n"); usb_started = 0; return -1; } } /****************************************************************************** * Stop USB this stops the LowLevel Part and deregisters USB devices. */ int usb_stop(int p) { int res = 0; asynch_allowed = 1; usb_started = 0; usb_hub_reset(); res = usb_lowlevel_stop(p); return res; } /* * disables the asynch behaviour of the control message. This is used for data * transfers that uses the exclusiv access to the control and bulk messages. * Returns the old value so it can be restored later. */ int usb_disable_asynch(int disable) { int old_value = asynch_allowed; asynch_allowed = !disable; return old_value; } /*------------------------------------------------------------------- * Message wrappers. * */ /* * submits an Interrupt Message */ #if (MP_USB_MSTAR==1) int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, int *actual_length, int interval) #else int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, int interval) #endif /* MP_USB_MSTAR==1 */ { #if (MP_USB_MSTAR==1) submit_int_msg(dev, pipe, buffer, transfer_len, interval); if (USB_ST_DISCONNECT==dev->status) return -1; *actual_length = dev->act_len; debug("usb_submit_int_msg:act_len:%d\n", dev->act_len); return 0; #else return submit_int_msg(dev, pipe, buffer, transfer_len, interval); #endif /* MP_USB_MSTAR==1 */ } /* * submits a control message and waits for comletion (at least timeout * 1ms) * If timeout is 0, we don't wait for completion (used as example to set and * clear keyboards LEDs). For data transfers, (storage transfers) we don't * allow control messages with 0 timeout, by previousely resetting the flag * asynch_allowed (usb_disable_asynch(1)). * returns the transfered length if OK or -1 if error. The transfered length * and the current status are stored in the dev->act_len and dev->status. */ int usb_control_msg(struct usb_device *dev, unsigned int pipe, unsigned char request, unsigned char requesttype, unsigned short value, unsigned short index, void *data, unsigned short size, int timeout) { ALLOC_CACHE_ALIGN_BUFFER(struct devrequest, setup_packet, 1); if ((timeout == 0) && (!asynch_allowed)) { /* request for a asynch control pipe is not allowed */ return -1; } /* set setup command */ setup_packet->requesttype = requesttype; setup_packet->request = request; setup_packet->value = cpu_to_le16(value); setup_packet->index = cpu_to_le16(index); setup_packet->length = cpu_to_le16(size); debug("usb_control_msg: request: 0x%X, requesttype: 0x%X, " \ "value 0x%X index 0x%X length 0x%X\n", request, requesttype, value, index, size); dev->status = USB_ST_NOT_PROC; /*not yet processed */ if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) return -1; if (USB_ST_DISCONNECT==dev->status) return -3; //USB_STOR_TRANSPORT_NODEV if(timeout==0) { return (int)size; } /* * Wait for status to update until timeout expires, USB driver * interrupt handler may set the status when the USB operation has * been completed. */ while(timeout>0) { if(!(dev->status & USB_ST_NOT_PROC)) break; wait_ms(1); timeout--; } if(dev->status==0) return dev->act_len; else { return -1; } } /*------------------------------------------------------------------- * submits bulk message, and waits for completion. returns 0 if Ok or * -1 if Error. * synchronous behavior */ int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, void *data, int len, int *actual_length, int timeout) { if (len < 0) return -1; dev->status = USB_ST_NOT_PROC; /*not yet processed */ if (submit_bulk_msg(dev, pipe, data, len) < 0) return -1; if (USB_ST_DISCONNECT==dev->status) return -3; //USB_STOR_TRANSPORT_NODEV while(timeout>0) { if(!(dev->status & USB_ST_NOT_PROC)) break; wait_ms(1); timeout--; } *actual_length = dev->act_len; if (dev->status == 0) return 0; else return -1; } /*------------------------------------------------------------------- * Max Packet stuff */ /* * returns the max packet size, depending on the pipe direction and * the configurations values */ int usb_maxpacket(struct usb_device *dev, unsigned long pipe) { /* direction is out -> use emaxpacket out */ if ((pipe & USB_DIR_IN) == 0) return dev->epmaxpacketout[((pipe>>15) & 0xf)]; else return dev->epmaxpacketin[((pipe>>15) & 0xf)]; } /* * The routine usb_set_maxpacket_ep() is extracted from the loop of routine * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine * when it is inlined in 1 single routine. What happens is that the register r3 * is used as loop-count 'i', but gets overwritten later on. * This is clearly a compiler bug, but it is easier to workaround it here than * to update the compiler (Occurs with at least several GCC 4.{1,2},x * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM) * * NOTE: Similar behaviour was observed with GCC4.6 on ARMv5. */ static void noinline usb_set_maxpacket_ep(struct usb_device *dev, struct usb_endpoint_descriptor *ep) { int b; // struct usb_endpoint_descriptor *ep; u16 ep_wMaxPacketSize=0; ep_wMaxPacketSize=ep_wMaxPacketSize; //ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx]; b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; ep_wMaxPacketSize = get_unaligned(&ep->wMaxPacketSize); if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_CONTROL) { /* Control => bidirectional */ dev->epmaxpacketout[b] = ep->wMaxPacketSize; dev->epmaxpacketin[b] = ep->wMaxPacketSize; debug("##Control EP epmaxpacketout/in[%d] = %d\n", b, dev->epmaxpacketin[b]); } else { if ((ep->bEndpointAddress & 0x80) == 0) { /* OUT Endpoint */ if (ep->wMaxPacketSize > dev->epmaxpacketout[b]) { dev->epmaxpacketout[b] = ep->wMaxPacketSize; debug("##EP epmaxpacketout[%d] = %d\n", b, dev->epmaxpacketout[b]); } } else { /* IN Endpoint */ if (ep->wMaxPacketSize > dev->epmaxpacketin[b]) { dev->epmaxpacketin[b] = ep->wMaxPacketSize; debug("##EP epmaxpacketin[%d] = %d\n", b, dev->epmaxpacketin[b]); } } /* if out */ } /* if control */ } /* * set the max packed value of all endpoints in the given configuration */ int usb_set_maxpacket(struct usb_device *dev) { int i, ii; for (i = 0; i < dev->config.desc.bNumInterfaces; i++) for (ii = 0; ii < dev->config.if_desc[i].desc.bNumEndpoints; ii++) usb_set_maxpacket_ep(dev, &dev->config.if_desc[i].ep_desc[ii]); return 0; } /******************************************************************************* * Parse the config, located in buffer, and fills the dev->config structure. * Note that all little/big endian swapping are done automatically. * (wTotalLength has already been swapped and sanitized when it was read.) */ int usb_parse_config(struct usb_device *dev, unsigned char *buffer, int cfgno) { struct usb_descriptor_header *head; int index, ifno, epno, curr_if_num; u16 ep_wMaxPacketSize=0; struct usb_interface *if_desc = NULL; ep_wMaxPacketSize=ep_wMaxPacketSize; ifno = -1; epno = -1; curr_if_num = -1; dev->configno = cfgno; head = (struct usb_descriptor_header *) &buffer[0]; if (head->bDescriptorType != USB_DT_CONFIG) { printf(" ERROR: NOT USB_CONFIG_DESC %x\n", head->bDescriptorType); return -1; } if (head->bLength != USB_DT_CONFIG_SIZE) { printf("ERROR: Invalid USB CFG length (%d)\n", head->bLength); return -1; } memcpy(&dev->config, head, USB_DT_CONFIG_SIZE); dev->config.no_of_if = 0; index = dev->config.desc.bLength; /* Ok the first entry must be a configuration entry, * now process the others */ head = (struct usb_descriptor_header *) &buffer[index]; while (index + 1 < dev->config.desc.wTotalLength && head->bLength) { switch (head->bDescriptorType) { case USB_DT_INTERFACE: if (head->bLength != USB_DT_INTERFACE_SIZE) { printf("ERROR: Invalid USB IF length (%d)\n", head->bLength); break; } if (index + USB_DT_INTERFACE_SIZE > dev->config.desc.wTotalLength) { puts("USB IF descriptor overflowed buffer!\n"); break; } if (((struct usb_interface_descriptor *) \ head)->bInterfaceNumber != curr_if_num) { /* this is a new interface, copy new desc */ ifno = dev->config.no_of_if; if (ifno >= USB_MAXINTERFACES) { puts("Too many USB interfaces!\n"); /* try to go on with what we have */ return 1; } if_desc = &dev->config.if_desc[ifno]; dev->config.no_of_if++; memcpy(if_desc, head, USB_DT_INTERFACE_SIZE); if_desc->no_of_ep = 0; if_desc->num_altsetting = 1; curr_if_num = if_desc->desc.bInterfaceNumber; } else { /* found alternate setting for the interface */ if (ifno >= 0) { if_desc = &dev->config.if_desc[ifno]; if_desc->num_altsetting++; } } break; case USB_DT_ENDPOINT: if (head->bLength != USB_DT_ENDPOINT_SIZE) { printf("ERROR: Invalid USB EP length (%d)\n", head->bLength); break; } if (index + USB_DT_ENDPOINT_SIZE > dev->config.desc.wTotalLength) { puts("USB EP descriptor overflowed buffer!\n"); break; } if (ifno < 0) { puts("Endpoint descriptor out of order!\n"); break; } epno = dev->config.if_desc[ifno].no_of_ep; if_desc = &dev->config.if_desc[ifno]; if (epno > USB_MAXENDPOINTS) { printf("Interface %d has too many endpoints!\n", if_desc->desc.bInterfaceNumber); return 1; } /* found an endpoint */ if_desc->no_of_ep++; memcpy(&if_desc->ep_desc[epno], head, USB_DT_ENDPOINT_SIZE); le16_to_cpus(&(dev->config.if_desc[ifno].ep_desc[epno].\ wMaxPacketSize)); debug("if %d, ep %d\n", ifno, epno); break; case USB_DT_SS_ENDPOINT_COMP: if (head->bLength != USB_DT_SS_EP_COMP_SIZE) { printf("ERROR: Invalid USB EPC length (%d)\n", head->bLength); break; } if (index + USB_DT_SS_EP_COMP_SIZE > dev->config.desc.wTotalLength) { puts("USB EPC descriptor overflowed buffer!\n"); break; } if (ifno < 0 || epno < 0) { puts("EPC descriptor out of order!\n"); break; } if_desc = &dev->config.if_desc[ifno]; memcpy(&if_desc->ss_ep_comp_desc[epno], head, USB_DT_SS_EP_COMP_SIZE); break; default: if (head->bLength == 0) return 1; debug("unknown Description Type : %x\n", head->bDescriptorType); #ifdef DEBUG { unsigned char *ch = (unsigned char *)head; int i; for (i = 0; i < head->bLength; i++) debug("%02X ", *ch++); debug("\n\n\n"); } #endif break; } index += head->bLength; head = (struct usb_descriptor_header *)&buffer[index]; } return 1; } /*********************************************************************** * Clears an endpoint * endp: endpoint number in bits 0-3; * direction flag in bit 7 (1 = IN, 0 = OUT) */ int usb_clear_halt(struct usb_device *dev, int pipe) { int result; int endp = usb_pipeendpoint(pipe)|(usb_pipein(pipe)<<7); result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, endp, NULL, 0, USB_CNTL_TIMEOUT * 3); /* don't clear if failed */ if (result < 0) return result; /* * NOTE: we do not get status and verify reset was successful * as some devices are reported to lock up upon this check.. */ usb_endpoint_running(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)); /* toggle is reset on clear */ usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0); return 0; } /********************************************************************** * get_descriptor type */ int usb_get_descriptor(struct usb_device *dev, unsigned char type, unsigned char index, void *buf, int size) { int res; res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, (type << 8) + index, 0, buf, size, USB_CNTL_TIMEOUT); return res; } /********************************************************************** * gets configuration cfgno and store it in the buffer */ int usb_get_configuration_no(struct usb_device *dev, unsigned char *buffer, int cfgno) { int result; unsigned int length; struct usb_config_descriptor *config; config = (struct usb_config_descriptor *)&buffer[0]; result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9); if (result < 9) { if (result < 0) printf("unable to get descriptor, error %lX\n", dev->status); else printf("config descriptor too short " \ "(expected %i, got %i)\n", 9, result); return -1; } length = le16_to_cpu(config->wTotalLength); if (length > USB_BUFSIZ) { printf("%s: failed to get descriptor - too long: %d\n", __func__, length); return -1; } result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, length); debug("get_conf_no %d Result %d, wLength %d\n", cfgno, result, length); config->wTotalLength = length; /* validated, with CPU byte order */ return result; } /******************************************************************** * set address of a device to the value in dev->devnum. * This can only be done by addressing the device via the default address (0) */ int usb_set_address(struct usb_device *dev,int addr) { int res; debug("set address %d\n", dev->devnum); res = usb_control_msg(dev, usb_snddefctrl(dev), USB_REQ_SET_ADDRESS, 0, addr, 0, NULL, 0, USB_CNTL_TIMEOUT); return res; } /******************************************************************** * set interface number to interface */ int usb_set_interface(struct usb_device *dev, int interface, int alternate) { struct usb_interface *if_face = NULL; int ret, i; for (i = 0; i < dev->config.desc.bNumInterfaces; i++) { if (dev->config.if_desc[i].desc.bInterfaceNumber == interface) { if_face = &dev->config.if_desc[i]; break; } } if (!if_face) { printf("selecting invalid interface %d", interface); return -1; } /* * We should return now for devices with only one alternate setting. * According to 9.4.10 of the Universal Serial Bus Specification * Revision 2.0 such devices can return with a STALL. This results in * some USB sticks timeouting during initialization and then being * unusable in U-Boot. */ if (if_face->num_altsetting == 1) return 0; ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, alternate, interface, NULL, 0, USB_CNTL_TIMEOUT * 5); if (ret < 0) return ret; return 0; } /******************************************************************** * set configuration number to configuration */ int usb_set_configuration(struct usb_device *dev, int configuration) { int res; debug("set configuration %d\n", configuration); /* set setup command */ res = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 0, configuration, 0, NULL, 0, USB_CNTL_TIMEOUT); if (res == 0) { dev->toggle[0] = 0; dev->toggle[1] = 0; return 0; } else return -1; } /******************************************************************** * set protocol to protocol */ int usb_set_protocol(struct usb_device *dev, int ifnum, int protocol) { return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_PROTOCOL, USB_TYPE_CLASS | USB_RECIP_INTERFACE, protocol, ifnum, NULL, 0, USB_CNTL_TIMEOUT); } /******************************************************************** * set idle */ int usb_set_idle(struct usb_device *dev, int ifnum, int duration, int report_id) { return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (duration << 8) | report_id, ifnum, NULL, 0, USB_CNTL_TIMEOUT); } /******************************************************************** * get report */ int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, unsigned char id, void *buf, int size) { return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_REPORT, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT); } /******************************************************************** * get class descriptor */ int usb_get_class_descriptor(struct usb_device *dev, int ifnum, unsigned char type, unsigned char id, void *buf, int size) { return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN, (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT); } /******************************************************************** * get string index in buffer */ int usb_get_string(struct usb_device *dev, unsigned short langid, unsigned char index, void *buf, int size) { //int i; int result; //for (i = 0; i < 3; ++i) { /* some devices are flaky */ result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, (USB_DT_STRING << 8) + index, langid, buf, size, USB_CNTL_TIMEOUT); // if (result > 0) // break; } return result; } static void usb_try_string_workarounds(unsigned char *buf, int *length) { int newlength, oldlength = *length; for (newlength = 2; newlength + 1 < oldlength; newlength += 2) if (!isprint(buf[newlength]) || buf[newlength + 1]) break; if (newlength > 2) { buf[0] = newlength; *length = newlength; } } static int usb_string_sub(struct usb_device *dev, unsigned int langid, unsigned int index, unsigned char *buf) { int rc; /* Try to read the string descriptor by asking for the maximum * possible number of bytes */ rc = usb_get_string(dev, langid, index, buf, 255); /* If that failed try to read the descriptor length, then * ask for just that many bytes */ if (rc < 2) { rc = usb_get_string(dev, langid, index, buf, 2); if (rc == 2) rc = usb_get_string(dev, langid, index, buf, buf[0]); } if (rc >= 2) { if (!buf[0] && !buf[1]) usb_try_string_workarounds(buf, &rc); /* There might be extra junk at the end of the descriptor */ if (buf[0] < rc) rc = buf[0]; rc = rc - (rc & 1); /* force a multiple of two */ } if (rc < 2) rc = -1; return rc; } /******************************************************************** * usb_string: * Get string index and translate it to ascii. * returns string length (> 0) or error (< 0) */ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) { ALLOC_CACHE_ALIGN_BUFFER(unsigned char, mybuf, USB_BUFSIZ); unsigned char *tbuf; int err; unsigned int u, idx; if (size <= 0 || !buf || !index) return -1; buf[0] = 0; tbuf = &mybuf[0]; /* get langid for strings if it's not yet known */ if (!dev->have_langid) { err = usb_string_sub(dev, 0, 0, tbuf); if (err < 0) { debug("error getting string descriptor 0 " \ "(error=%lx)\n", dev->status); return -1; } else if (tbuf[0] < 4) { debug("string descriptor 0 too short\n"); return -1; } else { dev->have_langid = -1; dev->string_langid = tbuf[2] | (tbuf[3] << 8); /* always use the first langid listed */ debug("USB device number %d default " \ "language ID 0x%x\n", dev->devnum, dev->string_langid); } } err = usb_string_sub(dev, dev->string_langid, index, tbuf); if (err < 0) return err; size--; /* leave room for trailing NULL char in output buffer */ for (idx = 0, u = 2; u < err; u += 2) { if (idx >= size) break; if (tbuf[u+1]) /* high byte */ buf[idx++] = '?'; /* non-ASCII character */ else buf[idx++] = tbuf[u]; } buf[idx] = 0; err = idx; return err; } /******************************************************************** * USB device handling: * the USB device are static allocated [USB_MAX_DEVICE]. */ /* returns a pointer to the device with the index [index]. * if the device is not assigned (dev->devnum==-1) returns NULL */ struct usb_device *usb_get_dev_index(int index) { if (usb_dev[index].devnum == -1) return NULL; else return &usb_dev[index]; } /* returns a pointer of a new device structure or NULL, if * no device struct is available */ struct usb_device *usb_alloc_new_device() { int i; debug("New Device %d\n", dev_index); if (dev_index == USB_MAX_DEVICE) { printf("ERROR, too many USB Devices, max=%d\n", USB_MAX_DEVICE); return NULL; } /* default Address is 0, real addresses start with 1 */ usb_dev[dev_index].devnum = dev_index + 1; usb_dev[dev_index].maxchild = 0; for (i = 0; i < USB_MAXCHILDREN; i++) usb_dev[dev_index].children[i] = NULL; usb_dev[dev_index].parent = NULL; //usb_dev[dev_index].controller = controller; dev_index++; return &usb_dev[dev_index - 1]; } /* * Free the newly created device node. * Called in error cases where configuring a newly attached * device fails for some reason. */ void usb_free_device(void) { dev_index--; debug("Freeing device node: %d\n", dev_index); memset(&usb_dev[dev_index], 0, sizeof(struct usb_device)); usb_dev[dev_index].devnum = -1; } /* * XHCI issues Enable Slot command and thereafter * allocates device contexts. Provide a weak alias * function for the purpose, so that XHCI overrides it * and EHCI/OHCI just work out of the box. */ __weak int usb_alloc_device(struct usb_device *udev) { return 0; } /* * By the time we get here, the device has gotten a new device ID * and is in the default state. We need to identify the thing and * get the ball rolling.. * * Returns 0 for success, != 0 for error. */ int usb_new_device(struct usb_device *dev) { int addr, err; int tmp; ALLOC_CACHE_ALIGN_BUFFER(unsigned char, tmpbuf, USB_BUFSIZ); /* * Allocate usb 3.0 device context. * USB 3.0 (xHCI) protocol tries to allocate device slot * and related data structures first. This call does that. * Refer to sec 4.3.2 in xHCI spec rev1.0 */ if (usb_alloc_device(dev)) { printf("Cannot allocate device context to get SLOT_ID\n"); return -1; } /* We still haven't set the Address yet */ addr = dev->devnum; dev->devnum = 0; //#ifdef CONFIG_LEGACY_USB_INIT_SEQ #if 0 //MSTAR /* this is the old and known way of initializing devices, it is * different than what Windows and Linux are doing. Windows and Linux * both retrieve 64 bytes while reading the device descriptor * Several USB stick devices report ERR: CTL_TIMEOUT, caused by an * invalid header while reading 8 bytes as device descriptor. */ dev->descriptor.bMaxPacketSize0 = 8; /* Start off at 8 bytes */ dev->maxpacketsize = PACKET_SIZE_8; dev->epmaxpacketin[0] = 8; dev->epmaxpacketout[0] = 8; err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, 8); if (err < 8) { printf("\n USB device not responding, " \ "giving up (status=%lX)\n", dev->status); return 1; } memcpy(&dev->descriptor, tmpbuf, 8); #else /* This is a Windows scheme of initialization sequence, with double * reset of the device (Linux uses the same sequence) * Some equipment is said to work only with such init sequence; this * patch is based on the work by Alan Stern: * http://sourceforge.net/mailarchive/forum.php? * thread_id=5729457&forum_id=5398 */ __maybe_unused struct usb_device_descriptor *desc; struct usb_device *parent = dev->parent; unsigned short portstatus; /* send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is * only 18 bytes long, this will terminate with a short packet. But if * the maxpacket size is 8 or 16 the device may be waiting to transmit * some more, or keeps on retransmitting the 8 byte header. */ desc = (struct usb_device_descriptor *)tmpbuf; dev->descriptor.bMaxPacketSize0 = 64; /* Start off at 64 bytes */ /* Default to 64 byte max packet size */ dev->maxpacketsize = PACKET_SIZE_64; dev->epmaxpacketin[0] = 64; dev->epmaxpacketout[0] = 64; /* * XHCI needs to issue a Address device command to setup * proper device context structures, before it can interact * with the device. So a get_descriptor will fail before any * of that is done for XHCI unlike EHCI. */ #ifndef CONFIG_USB_XHCI err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64); if (err < 0) { debug("usb_new_device: usb_get_descriptor() failed\n"); return 1; } dev->descriptor.bMaxPacketSize0 = desc->bMaxPacketSize0; /* * Fetch the device class, driver can use this info * to differentiate between HUB and DEVICE. */ dev->descriptor.bDeviceClass = desc->bDeviceClass; #endif if (parent) { /* reset the port for the second time */ err = hub_port_reset(dev->parent, dev->portnr - 1, &portstatus); if (err < 0) { printf("\n Couldn't reset port %i\n", dev->portnr); return 1; } } #endif dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0; dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0; switch (dev->descriptor.bMaxPacketSize0) { case 8: dev->maxpacketsize = PACKET_SIZE_8; break; case 16: dev->maxpacketsize = PACKET_SIZE_16; break; case 32: dev->maxpacketsize = PACKET_SIZE_32; break; case 64: dev->maxpacketsize = PACKET_SIZE_64; break; default: printf("Unreasonable MaxPacketSize %d \n",dev->descriptor.bMaxPacketSize0); break; } err = usb_set_address(dev, addr); /* set address */ dev->devnum = addr; if (err < 0) { printf("\n USB device not accepting new address " \ "(error=%lX)\n", dev->status); return 1; } wait_ms(10); /* Let the SET_ADDRESS settle */ tmp = sizeof(dev->descriptor); err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, sizeof(dev->descriptor)); if (err < tmp) { if (err < 0) printf("unable to get device descriptor (error=%d)\n", err); else printf("USB device descriptor short read " \ "(expected %i, got %i)\n", tmp, err); return 1; } memcpy(&dev->descriptor, tmpbuf, sizeof(dev->descriptor)); /* correct le values */ le16_to_cpus(&dev->descriptor.bcdUSB); le16_to_cpus(&dev->descriptor.idVendor); le16_to_cpus(&dev->descriptor.idProduct); le16_to_cpus(&dev->descriptor.bcdDevice); /* only support for one config for now */ err = usb_get_configuration_no(dev, tmpbuf, 0); if (err < 0) { printf("usb_new_device: Cannot read configuration, " \ "skipping device %04x:%04x\n", dev->descriptor.idVendor, dev->descriptor.idProduct); return -1; } usb_parse_config(dev, tmpbuf, 0); #if (MP_USB_MSTAR==1) /* do not accept device if ext hub target is set: only suport interface 0*/ printf("\n[USB] interface[0] conf:%x value %x: \n", dev->config.desc.bConfigurationValue, dev->config.if_desc[0].desc.bInterfaceClass); if(dev->parent == NULL && target_ext_hub_port > 0 && dev->config.if_desc[0].desc.bInterfaceClass == 8) { printf("[USB] Don't plug Flash Disk into TV directly!!\n"); return -1; } if (dev->config.if_desc[0].desc.bInterfaceClass == 3) //Don't scan for HID class device { printf("[USB] Stop to parse HID calss devices!!\n"); return -1; } #endif /* MP_USB_MSTAR==1 */ usb_set_maxpacket(dev); /* we set the default configuration here */ if (usb_set_configuration(dev, dev->config.desc.bConfigurationValue)) { printf("failed to set default configuration " \ "len %d, status %lX\n", dev->act_len, dev->status); return -1; } debug("new device strings: Mfr=%d, Product=%d, SerialNumber=%d\n", dev->descriptor.iManufacturer, dev->descriptor.iProduct, dev->descriptor.iSerialNumber); memset(dev->mf, 0, sizeof(dev->mf)); memset(dev->prod, 0, sizeof(dev->prod)); memset(dev->serial, 0, sizeof(dev->serial)); wait_ms(200); if (dev->descriptor.iManufacturer) usb_string(dev, dev->descriptor.iManufacturer, dev->mf, sizeof(dev->mf)); if (dev->descriptor.iProduct) usb_string(dev, dev->descriptor.iProduct, dev->prod, sizeof(dev->prod)); if (dev->descriptor.iSerialNumber) usb_string(dev, dev->descriptor.iSerialNumber, dev->serial, sizeof(dev->serial)); debug("Manufacturer %s\n", dev->mf); debug("Product %s\n", dev->prod); debug("SerialNumber %s\n", dev->serial); /* do not scan device on ext hub */ if(dev->parent == NULL && target_ext_hub_port == 0) { printf("[USB] Please plug Flash Disk into TV directly!!\n"); return 0; } #if (MP_USB_MSTAR==1) //printf("[USB] idVendor = %x, idProduct = %x\n", dev->descriptor.idVendor, dev->descriptor.idProduct); if (((dev->descriptor.idVendor == 0x0411) && (dev->descriptor.idProduct==0x01e7)) || ((dev->descriptor.idVendor == 0x0411) && (dev->descriptor.idProduct==0x01de))) { //printf("[USB] Buffalo U3 disk found!\n"); Usb_host_SetEverInited(2); } #ifdef ENABLE_USB_LAN_MODULE if (dev->config.if_desc[0].desc.bInterfaceClass == USB_CLASS_HUB) { /* Do nothing. Let usb_hub_probe handle it */ } else if (dev->config.if_desc[0].desc.bInterfaceClass == USB_CLASS_MASS_STORAGE) { /* Do nothing. Let usb_stor_scan handle it */ } else { USB_Bulk_InitEx(dev, UsbPortSelect); usb_lan_initialize(dev); } #endif #endif /* MP_USB_MSTAR==1 */ /* now prode if the device is a hub */ usb_hub_probe(dev, 0); return 0; } extern int usb_stor_scan(int mode); #ifdef ENABLE_USB_LAN_MODULE extern int usb_lan_initialize(struct usb_device *udev); #endif extern int ever_inited; #if defined(ENABLE_SECOND_EHC) extern int ever_inited2; #endif #if defined(ENABLE_THIRD_EHC) extern int ever_inited3; #endif #if defined(ENABLE_FOURTH_EHC) extern int ever_inited4; #endif int usb_scan_devices(void) { int i; int err=0; struct usb_device *dev; /* first make all devices unknown */ for (i = 0; i < USB_MAX_DEVICE; i++) { memset(&usb_dev[i], 0, sizeof(struct usb_device)); usb_dev[i].devnum = -1; } dev_index = 0; /* device 0 is always present (root hub, so let it analyze) */ dev = usb_alloc_new_device(); if(dev == NULL) { printf("%s: usb_alloc_new_device() return NULL, at %d\n", __func__, __LINE__); return -1; } #if 0//defined(CONFIG_USB_XHCI) && defined(ENABLE_XHC) dev->level = 1; if (UsbPortSelect == 4) { err = USB3_enumerate(dev); if (err) return -1; } else #endif { err=usb_new_device(dev); if(err) return -1; } printf("%d USB Device(s) found\n", dev_index); return 0; } /**************************************************************************** * HUB "Driver" * Probes device for being a hub and configurate it */ #undef USB_HUB_DEBUG #ifdef USB_HUB_DEBUG #define USB_HUB_PRINTF(fmt, args...) printf(fmt , ##args) #else #define USB_HUB_PRINTF(fmt, args...) #endif static struct usb_hub_device hub_dev[USB_MAX_HUB]; static int usb_hub_index; int usb_get_hub_descriptor(struct usb_device *dev, void *data, int size) { unsigned wValue; if (dev->speed == USB_SPEED_SUPER) wValue = USB_DT_SS_HUB; else wValue = USB_DT_HUB; return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_DESCRIPTOR, USB_DIR_IN | USB_RT_HUB, wValue << 8, 0, data, size, USB_CNTL_TIMEOUT); } int usb_clear_hub_feature(struct usb_device *dev, int feature) { return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_CLEAR_FEATURE, USB_RT_HUB, feature, 0, NULL, 0, USB_CNTL_TIMEOUT); } int usb_clear_port_feature(struct usb_device *dev, int port, int feature) { return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_CLEAR_FEATURE, USB_RT_PORT, feature, port, NULL, 0, USB_CNTL_TIMEOUT); } int usb_set_port_feature(struct usb_device *dev, int port, int feature) { return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_FEATURE, USB_RT_PORT, feature, port, NULL, 0, USB_CNTL_TIMEOUT); } int usb_get_hub_status(struct usb_device *dev, void *data) { return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_HUB, 0, 0, data, sizeof(struct usb_hub_status), USB_CNTL_TIMEOUT); } int usb_get_port_status(struct usb_device *dev, int port, void *data) { return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), USB_REQ_GET_STATUS, USB_DIR_IN | USB_RT_PORT, 0, port, data, sizeof(struct usb_hub_status), USB_CNTL_TIMEOUT); } static void usb_hub_power_on(struct usb_hub_device *hub) { int i; struct usb_device *dev; dev = hub->pusb_dev; /* Enable power to the ports */ USB_HUB_PRINTF("enabling power on all ports\n"); for (i = 0; i < dev->maxchild; i++) { usb_set_port_feature(dev, i + 1, USB_PORT_FEAT_POWER); USB_HUB_PRINTF("port %d returns %lX\n", i + 1, dev->status); } wait_ms(hub->desc.bPwrOn2PwrGood * 2); } void usb_hub_reset(void) { usb_hub_index = 0; } struct usb_hub_device *usb_hub_allocate(void) { if (usb_hub_index < USB_MAX_HUB) return &hub_dev[usb_hub_index++]; printf("ERROR: USB_MAX_HUB (%d) reached\n", USB_MAX_HUB); return NULL; } #define MAX_TRIES 5 static inline char *portspeed(int portstatus) { if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED)) return "480 Mb/s"; else if (portstatus & (1 << USB_PORT_FEAT_LOWSPEED)) return "1.5 Mb/s"; else return "12 Mb/s"; } int hub_port_reset(struct usb_device *dev, int port, unsigned short *portstat) { int tries; struct usb_port_status portsts; unsigned short portstatus, portchange; USB_HUB_PRINTF("hub_port_reset: resetting port %d...\n", port); for (tries = 0; tries < MAX_TRIES; tries++) { usb_set_port_feature(dev, port + 1, USB_PORT_FEAT_RESET); wait_ms(200); if (usb_get_port_status(dev, port + 1, &portsts) < 0) { USB_HUB_PRINTF("get_port_status failed status %lX\n", dev->status); return -1; } portstatus = le16_to_cpu(portsts.wPortStatus); portchange = le16_to_cpu(portsts.wPortChange); USB_HUB_PRINTF("portstatus %x, change %x, %s\n", portstatus, portchange, portspeed(portstatus)); USB_HUB_PRINTF("STAT_C_CONNECTION = %d STAT_CONNECTION = %d" \ " USB_PORT_STAT_ENABLE %d\n", (portchange & USB_PORT_STAT_C_CONNECTION) ? 1 : 0, (portstatus & USB_PORT_STAT_CONNECTION) ? 1 : 0, (portstatus & USB_PORT_STAT_ENABLE) ? 1 : 0); if ((portchange & USB_PORT_STAT_C_CONNECTION) || !(portstatus & USB_PORT_STAT_CONNECTION)) return -1; if (portstatus & USB_PORT_STAT_ENABLE) break; wait_ms(200); } if (tries == MAX_TRIES) { USB_HUB_PRINTF("Cannot enable port %i after %i retries, " \ "disabling port.\n", port + 1, MAX_TRIES); USB_HUB_PRINTF("Maybe the USB cable is bad?\n"); return -1; } usb_clear_port_feature(dev, port + 1, USB_PORT_FEAT_C_RESET); *portstat = portstatus; return 0; } void usb_hub_port_connect_change(struct usb_device *dev, int port) { struct usb_device *usb; struct usb_port_status portsts; unsigned short portstatus=0; #ifdef USB_HUB_DEBUG unsigned short portchange=0; #endif /* Check status */ if (usb_get_port_status(dev, port + 1, &portsts) < 0) { USB_HUB_PRINTF("get_port_status failed\n"); return; } portstatus = le16_to_cpu(portsts.wPortStatus); #ifdef USB_HUB_DEBUG portchange = le16_to_cpu(portsts.wPortChange); USB_HUB_PRINTF("portstatus %x, change %x, %s\n", portstatus, portchange, portspeed(portstatus)); #endif /* Clear the connection change status */ usb_clear_port_feature(dev, port + 1, USB_PORT_FEAT_C_CONNECTION); /* Disconnect any existing devices under this port */ if (((!(portstatus & USB_PORT_STAT_CONNECTION)) && (!(portstatus & USB_PORT_STAT_ENABLE))) || (dev->children[port])) { USB_HUB_PRINTF("usb_disconnect(&hub->children[port]);\n"); /* Return now if nothing is connected */ if (!(portstatus & USB_PORT_STAT_CONNECTION)) return; } wait_ms(200); /* Reset the port */ if (hub_port_reset(dev, port, &portstatus) < 0) { printf("cannot reset port %i!?\n", port + 1); return; } wait_ms(200); /* Allocate a new device struct for it */ usb = usb_alloc_new_device(); if(usb == NULL) { printf("%s: usb_alloc_new_device() return NULL, at %d\n", __func__, __LINE__); return; } if (dev->descriptor.bDeviceProtocol == 3) usb->speed = USB_SPEED_SUPER; else if (portstatus & USB_PORT_STAT_HIGH_SPEED) usb->speed = USB_SPEED_HIGH; else if (portstatus & USB_PORT_STAT_LOW_SPEED) usb->speed = USB_SPEED_LOW; else usb->speed = USB_SPEED_FULL; dev->children[port] = usb; usb->parent = dev; #if 1 //MBOOT_XHCI usb->level = dev->level + 1; #endif /* Run it through the hoops (find a driver, etc) */ #if defined(CONFIG_USB_XHCI) && defined(ENABLE_XHC)//MBOOT_XHCI if (UsbPortSelect == 4) { int portnum; if (!usb->parent) portnum = gXHCI_rh_port_sel; else { portnum = port + 1; usb->portnum = dev->portnum; printf("usb->portnum: %d\n", usb->portnum); } if (ms_xhci_dev_enum(&ms_xhci, usb, portnum) < 0 ) return; } else #endif { if (usb_new_device(usb)) { /* Woops, disable the port */ USB_HUB_PRINTF("hub: disabling port %d\n", port + 1); usb_clear_port_feature(dev, port + 1, USB_PORT_FEAT_ENABLE); } } } u32 g_u3_chk_conn_time = 5; //default 5 seconds void usb_set_u3_chk_conn_time(u32 uTimesec) { printf("set usb 30 check connection time to %d sec\n", uTimesec); g_u3_chk_conn_time = uTimesec; } int usb_hub_configure(struct usb_device *dev) { unsigned char buffer[USB_BUFSIZ], *bitmap; struct usb_hub_descriptor *descriptor; #ifdef USB_HUB_DEBUG struct usb_hub_status *hubsts=NULL; #endif int i, j, chk_conn_tries; u8 AnyPortConn; struct usb_hub_device *hub; buffer[0]=0; //for DZ check. /* "allocate" Hub device */ hub = usb_hub_allocate(); if (hub == NULL) return -1; hub->pusb_dev = dev; /* Get the the hub descriptor */ if (usb_get_hub_descriptor(dev, buffer, 4) < 0) { USB_HUB_PRINTF("usb_hub_configure: failed to get hub " \ "descriptor, giving up %lX\n", dev->status); return -1; } descriptor = (struct usb_hub_descriptor *)buffer; /* silence compiler warning if USB_BUFSIZ is > 256 [= sizeof(char)] */ i = descriptor->bLength; if (i > USB_BUFSIZ) { USB_HUB_PRINTF("usb_hub_configure: failed to get hub " \ "descriptor - too long: %d\n", descriptor->bLength); return -1; } if (usb_get_hub_descriptor(dev, buffer, descriptor->bLength) < 0) { USB_HUB_PRINTF("usb_hub_configure: failed to get hub " \ "descriptor 2nd giving up %lX\n", dev->status); return -1; } memcpy((unsigned char *)&hub->desc, buffer, descriptor->bLength); /* adjust 16bit values */ hub->desc.wHubCharacteristics = le16_to_cpu(descriptor->wHubCharacteristics); /* set the bitmap */ bitmap = (unsigned char *)&hub->desc.DeviceRemovable[0]; /* devices not removable by default */ memset(bitmap, 0xff, (USB_MAXCHILDREN+1+7)/8); bitmap = (unsigned char *)&hub->desc.PortPowerCtrlMask[0]; memset(bitmap, 0xff, (USB_MAXCHILDREN+1+7)/8); /* PowerMask = 1B */ for (i = 0; i < ((hub->desc.bNbrPorts + 1 + 7)/8); i++) hub->desc.DeviceRemovable[i] = descriptor->DeviceRemovable[i]; for (i = 0; i < ((hub->desc.bNbrPorts + 1 + 7)/8); i++) hub->desc.PortPowerCtrlMask[i] = descriptor->PortPowerCtrlMask[i]; dev->maxchild = descriptor->bNbrPorts; USB_HUB_PRINTF("%d ports detected\n", dev->maxchild); switch (hub->desc.wHubCharacteristics & HUB_CHAR_LPSM) { case 0x00: USB_HUB_PRINTF("ganged power switching\n"); break; case 0x01: USB_HUB_PRINTF("individual port power switching\n"); break; case 0x02: case 0x03: USB_HUB_PRINTF("unknown reserved power switching mode\n"); break; default: break; } if (hub->desc.wHubCharacteristics & HUB_CHAR_COMPOUND) USB_HUB_PRINTF("part of a compound device\n"); else USB_HUB_PRINTF("standalone hub\n"); switch (hub->desc.wHubCharacteristics & HUB_CHAR_OCPM) { case 0x00: USB_HUB_PRINTF("global over-current protection\n"); break; case 0x08: USB_HUB_PRINTF("individual port over-current protection\n"); break; case 0x10: case 0x18: USB_HUB_PRINTF("no over-current protection\n"); break; default: break; } USB_HUB_PRINTF("power on to power good time: %dms\n", descriptor->bPwrOn2PwrGood * 2); USB_HUB_PRINTF("hub controller current requirement: %dmA\n", descriptor->bHubContrCurrent); for (i = 0; i < dev->maxchild; i++) USB_HUB_PRINTF("port %d is%s removable\n", i + 1, hub->desc.DeviceRemovable[(i + 1) / 8] & \ (1 << ((i + 1) % 8)) ? " not" : ""); if (sizeof(struct usb_hub_status) > USB_BUFSIZ) { USB_HUB_PRINTF("usb_hub_configure: failed to get Status - " \ "too long: %d\n", descriptor->bLength); return -1; } if (usb_get_hub_status(dev, buffer) < 0) { USB_HUB_PRINTF("usb_hub_configure: failed to get Status %lX\n", dev->status); return -1; } #if defined(CONFIG_USB_XHCI) && defined(ENABLE_XHC)//MBOOT_XHCI if (dev->descriptor.bDeviceProtocol == 3) //for SS hub { printf("set hub depth %d\n", dev->level - 1); if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 12 /*hub_set_depth*/, USB_RT_HUB, dev->level - 1, 0, NULL, 0, 5000) < 0) { USB_HUB_PRINTF("Set hub depth error\n"); return -1; } } #endif #ifdef USB_HUB_DEBUG hubsts = (struct usb_hub_status *)buffer; USB_HUB_PRINTF("get_hub_status returned status %X, change %X\n", le16_to_cpu(hubsts->wHubStatus), le16_to_cpu(hubsts->wHubChange)); USB_HUB_PRINTF("local power source is %s\n", (le16_to_cpu(hubsts->wHubStatus) & HUB_STATUS_LOCAL_POWER) ? \ "lost (inactive)" : "good"); USB_HUB_PRINTF("%sover-current condition exists\n", (le16_to_cpu(hubsts->wHubStatus) & HUB_STATUS_OVERCURRENT) ? \ "" : "no "); #endif usb_hub_power_on(hub); printf("Wait for hub reset....\n"); if(dev->parent == NULL && target_ext_hub_port > 0) { printf("\n=======[ Filter Port for Exthub on Roothub ]=======\n"); } if (dev->speed == USB_SPEED_SUPER) { chk_conn_tries = g_u3_chk_conn_time; } else { chk_conn_tries = 1; } for (j=0; j<=chk_conn_tries; j++) { AnyPortConn = 0; printf("checking hub ports...\n"); for (i = 0; i < dev->maxchild; i++) { struct usb_port_status portsts; unsigned short portstatus, portchange; /* for exthub on roothub*/ if(dev->parent == NULL) { if (target_ext_hub_port > 0) /* for port 1~15*/ { printf("Hello Port %d", i+1); if(i+1 != target_ext_hub_port) { printf(" Skip\n"); continue; } else printf(" No Skip\n"); } } if (usb_get_port_status(dev, i + 1, &portsts) < 0) { USB_HUB_PRINTF("get_port_status failed\n"); continue; } portstatus = le16_to_cpu(portsts.wPortStatus); portchange = le16_to_cpu(portsts.wPortChange); USB_HUB_PRINTF("Port %d Status %X Change %X\n", i + 1, portstatus, portchange); if (portchange & USB_PORT_STAT_C_CONNECTION) { USB_HUB_PRINTF("port %d connection change\n", i + 1); usb_hub_port_connect_change(dev, i); AnyPortConn = 1; } if (portchange & USB_PORT_STAT_C_ENABLE) { USB_HUB_PRINTF("port %d enable change, status %x\n", i + 1, portstatus); usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_ENABLE); /* EM interference sometimes causes bad shielded USB * devices to be shutdown by the hub, this hack enables * them again. Works at least with mouse driver */ if (!(portstatus & USB_PORT_STAT_ENABLE) && (portstatus & USB_PORT_STAT_CONNECTION) && ((dev->children[i]))) { USB_HUB_PRINTF("already running port %i " \ "disabled by hub (EMI?), " \ "re-enabling...\n", i + 1); usb_hub_port_connect_change(dev, i); AnyPortConn = 1; } } if (portstatus & USB_PORT_STAT_SUSPEND) { USB_HUB_PRINTF("port %d suspend change\n", i + 1); usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_SUSPEND); } if (portchange & USB_PORT_STAT_C_OVERCURRENT) { USB_HUB_PRINTF("port %d over-current change\n", i + 1); usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_OVER_CURRENT); usb_hub_power_on(hub); } if (portchange & USB_PORT_STAT_C_RESET) { USB_HUB_PRINTF("port %d reset change\n", i + 1); usb_clear_port_feature(dev, i + 1, USB_PORT_FEAT_C_RESET); } } /* end for i all ports */ if (j < chk_conn_tries) { if (AnyPortConn) break; else if (dev->speed == USB_SPEED_SUPER) mdelay(1000); } } return 0; } int usb_hub_probe(struct usb_device *dev, int ifnum) { struct usb_interface *iface; struct usb_endpoint_descriptor *ep; int ret; iface = &dev->config.if_desc[ifnum]; /* Is it a hub? */ if (iface->desc.bInterfaceClass != USB_CLASS_HUB) return 0; /* Some hubs have a subclass of 1, which AFAICT according to the */ /* specs is not defined, but it works */ if ((iface->desc.bInterfaceSubClass != 0) && (iface->desc.bInterfaceSubClass != 1)) return 0; /* Multiple endpoints? What kind of mutant ninja-hub is this? */ if (iface->desc.bNumEndpoints != 1) return 0; ep = &iface->ep_desc[0]; /* Output endpoint? Curiousier and curiousier.. */ if (!(ep->bEndpointAddress & USB_DIR_IN)) return 0; /* If it's not an interrupt endpoint, we'd better punt! */ if ((ep->bmAttributes & 3) != 3) return 0; /* We found a hub */ USB_HUB_PRINTF("USB hub found\n"); ret = usb_hub_configure(dev); return ret; } __weak int board_usb_init(int index, enum usb_init_type init) { return 0; } /* EOF */