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protocol = US_PR_CB;
subclass = US_SC_UFI; /* an assumption */
}
#endif
if (dev->descriptor.bDeviceClass != 0 ||
iface->bInterfaceClass != USB_CLASS_MASS_STORAGE ||
iface->bInterfaceSubClass < US_SC_MIN ||
iface->bInterfaceSubClass > US_SC_MAX) {
/* if it's not a mass storage, we go no further */
return 0;
}
memset(ss, 0, sizeof(struct us_data));
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/* At this point, we know we've got a live one */
USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n");
/* Initialize the us_data structure with some useful info */
ss->flags = flags;
ss->ifnum = ifnum;
ss->pusb_dev = dev;
ss->attention_done = 0;
/* If the device has subclass and protocol, then use that. Otherwise,
* take data from the specific interface.
*/
if (subclass) {
ss->subclass = subclass;
ss->protocol = protocol;
} else {
ss->subclass = iface->bInterfaceSubClass;
ss->protocol = iface->bInterfaceProtocol;
}
/* set the handler pointers based on the protocol */
USB_STOR_PRINTF("Transport: ");
switch (ss->protocol) {
case US_PR_CB:
USB_STOR_PRINTF("Control/Bulk\n");
ss->transport = usb_stor_CB_transport;
ss->transport_reset = usb_stor_CB_reset;
break;
case US_PR_CBI:
USB_STOR_PRINTF("Control/Bulk/Interrupt\n");
ss->transport = usb_stor_CB_transport;
ss->transport_reset = usb_stor_CB_reset;
break;
case US_PR_BULK:
USB_STOR_PRINTF("Bulk/Bulk/Bulk\n");
ss->transport = usb_stor_BBB_transport;
ss->transport_reset = usb_stor_BBB_reset;
break;
printf("USB Storage Transport unknown / not yet implemented\n");
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return 0;
break;
}
/*
* We are expecting a minimum of 2 endpoints - in and out (bulk).
* An optional interrupt is OK (necessary for CBI protocol).
* We will ignore any others.
*/
for (i = 0; i < iface->bNumEndpoints; i++) {
/* is it an BULK endpoint? */
if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
== USB_ENDPOINT_XFER_BULK) {
if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN)
ss->ep_in = iface->ep_desc[i].bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
else
ss->ep_out = iface->ep_desc[i].bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
}
/* is it an interrupt endpoint? */
if ((iface->ep_desc[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
== USB_ENDPOINT_XFER_INT) {
ss->ep_int = iface->ep_desc[i].bEndpointAddress &
USB_ENDPOINT_NUMBER_MASK;
ss->irqinterval = iface->ep_desc[i].bInterval;
}
}
USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n",
ss->ep_in, ss->ep_out, ss->ep_int);
/* Do some basic sanity checks, and bail if we find a problem */
if (usb_set_interface(dev, iface->bInterfaceNumber, 0) ||
!ss->ep_in || !ss->ep_out ||
(ss->protocol == US_PR_CBI && ss->ep_int == 0)) {
USB_STOR_PRINTF("Problems with device\n");
return 0;
}
/* set class specific stuff */
/* We only handle certain protocols. Currently, these are
* the only ones.
* The SFF8070 accepts the requests used in u-boot
if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI &&
ss->subclass != US_SC_8070) {
printf("Sorry, protocol %d not yet supported.\n",ss->subclass);
return 0;
}
if(ss->ep_int) { /* we had found an interrupt endpoint, prepare irq pipe */
/* set up the IRQ pipe and handler */
ss->irqinterval = (ss->irqinterval > 0) ? ss->irqinterval : 255;
ss->irqpipe = usb_rcvintpipe(ss->pusb_dev, ss->ep_int);
ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe);
dev->irq_handle=usb_stor_irq;
}
return 1;
}
int usb_stor_get_info(struct usb_device *dev,struct us_data *ss,block_dev_desc_t *dev_desc)
{
unsigned char perq,modi;
unsigned long cap[2];
unsigned long *capacity,*blksz;
ccb *pccb = &usb_ccb;
/* for some reasons a couple of devices would not survive this reset */
if (
/* Sony USM256E */
(dev->descriptor.idVendor == 0x054c &&
dev->descriptor.idProduct == 0x019e)
||
/* USB007 Mini-USB2 Flash Drive */
(dev->descriptor.idVendor == 0x066f &&
dev->descriptor.idProduct == 0x2010)
)
USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
pccb->pdata = usb_stor_buf;
dev_desc->target = dev->devnum;
pccb->lun = dev_desc->lun;
USB_STOR_PRINTF(" address %d\n",dev_desc->target);
if(usb_inquiry(pccb,ss))
return -1;
perq = usb_stor_buf[0];
modi = usb_stor_buf[1];
if((perq & 0x1f) == 0x1f) {
if((modi&0x80) == 0x80) {/* drive is removable */
dev_desc->removable = 1;
}
memcpy(&dev_desc->vendor[0], &usb_stor_buf[8], 8);
memcpy(&dev_desc->product[0], &usb_stor_buf[16], 16);
memcpy(&dev_desc->revision[0], &usb_stor_buf[32], 4);
dev_desc->vendor[8] = 0;
dev_desc->product[16] = 0;
dev_desc->revision[4] = 0;
USB_STOR_PRINTF("ISO Vers %X, Response Data %X\n",usb_stor_buf[2],usb_stor_buf[3]);
if(usb_test_unit_ready(pccb,ss)) {
printf("Device NOT ready\n Request Sense returned %02X %02X %02X\n",pccb->sense_buf[2],pccb->sense_buf[12],pccb->sense_buf[13]);
if(dev_desc->removable == 1) {
dev_desc->type = perq;
pccb->pdata = (unsigned char *)&cap[0];
if(usb_read_capacity(pccb,ss) != 0) {
cap[0] = 2880;
cap[1] = 0x200;
}
USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n",cap[0],cap[1]);
#if 0
if(cap[0]>(0x200000 * 10)) /* greater than 10 GByte */
cap[0]>>=16;
#endif
#ifdef LITTLEENDIAN
cap[0] = ((unsigned long)(
(((unsigned long)(cap[0]) & (unsigned long)0x000000ffUL) << 24) |
(((unsigned long)(cap[0]) & (unsigned long)0x0000ff00UL) << 8) |
(((unsigned long)(cap[0]) & (unsigned long)0x00ff0000UL) >> 8) |
(((unsigned long)(cap[0]) & (unsigned long)0xff000000UL) >> 24) ));
cap[1] = ((unsigned long)(
(((unsigned long)(cap[1]) & (unsigned long)0x000000ffUL) << 24) |
(((unsigned long)(cap[1]) & (unsigned long)0x0000ff00UL) << 8) |
(((unsigned long)(cap[1]) & (unsigned long)0x00ff0000UL) >> 8) |
(((unsigned long)(cap[1]) & (unsigned long)0xff000000UL) >> 24) ));
#endif
/* this assumes bigendian! */
cap[0] += 1;
capacity = &cap[0];
blksz = &cap[1];
USB_STOR_PRINTF("Capacity = 0x%lx, blocksz = 0x%lx\n",*capacity,*blksz);
dev_desc->lba = *capacity;
dev_desc->blksz = *blksz;
dev_desc->type = perq;
USB_STOR_PRINTF(" address %d\n",dev_desc->target);
USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type);
init_part(dev_desc);
USB_STOR_PRINTF("partype: %d\n",dev_desc->part_type);
return 1;
}
#endif /* CONFIG_USB_STORAGE */
#endif /* CFG_CMD_USB */