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tzpuFusionX/software/linux/boot/common/usb.c

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/*
* 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 <common.h>
#include <command.h>
#include <asm/processor.h>
#include <linux/compiler.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
//#include <asm/unaligned.h>
#include <errno.h>
#include <usb.h>
#ifdef CONFIG_4xx
#include <asm/4xx_pci.h>
#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<u8UsbPortCount; idx++)
{
usb_stop(idx);
}
printf("Check USB port[%d]:\n", port);
UsbPortSelect=port;
#endif /* MP_USB_MSTAR==1 */
dev_index=0;
asynch_allowed=1;
usb_hub_reset();
/* init low_level USB */
//retry:
result = usb_lowlevel_init();
/* 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;
}
}
/* TONY
* target_ext_hub_port:
* -1: skip nothing
* 0: skip all port on exthub, but not roothub
* 1~15: skip all port on roothub, but not exthub
*/
int target_ext_hub_port = -1;
int usb_init(int port)
{
target_ext_hub_port = -1;
return _usb_init(port);
}
int usb_init_exhub_port(int port, int ext_hub_port)
{
printf("[USB] usb_init_exhub_port++ %d\n", ext_hub_port);
if (ext_hub_port >= 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 */
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