};
#define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1)
-static unsigned char usb_stor_buf[512];
-static ccb usb_ccb;
+static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN)));
/*
* CBI style
struct usb_device *pusb_dev; /* this usb_device */
unsigned int flags; /* from filter initially */
+# define USB_READY (1 << 0)
unsigned char ifnum; /* interface number */
unsigned char ep_in; /* in endpoint */
unsigned char ep_out; /* out ....... */
trans_cmnd transport; /* transport routine */
};
+#ifdef CONFIG_USB_EHCI
+/*
+ * The U-Boot EHCI driver can handle any transfer length as long as there is
+ * enough free heap space left, but the SCSI READ(10) and WRITE(10) commands are
+ * limited to 65535 blocks.
+ */
+#define USB_MAX_XFER_BLK 65535
+#else
+#define USB_MAX_XFER_BLK 20
+#endif
+
static struct us_data usb_stor[USB_MAX_STOR_DEV];
int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
struct us_data *ss);
unsigned long usb_stor_read(int device, unsigned long blknr,
- unsigned long blkcnt, void *buffer);
+ lbaint_t blkcnt, void *buffer);
unsigned long usb_stor_write(int device, unsigned long blknr,
- unsigned long blkcnt, const void *buffer);
+ lbaint_t blkcnt, const void *buffer);
struct usb_device * usb_get_dev_index(int index);
void uhci_show_temp_int_td(void);
}
#endif
-void usb_show_progress(void)
+static void usb_show_progress(void)
{
debug(".");
}
static unsigned int usb_get_max_lun(struct us_data *us)
{
int len;
- unsigned char result;
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1);
len = usb_control_msg(us->pusb_dev,
usb_rcvctrlpipe(us->pusb_dev, 0),
US_BBB_GET_MAX_LUN,
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
0, us->ifnum,
- &result, sizeof(result),
+ result, sizeof(char),
USB_CNTL_TIMEOUT * 5);
USB_STOR_PRINTF("Get Max LUN -> len = %i, result = %i\n",
- len, (int) result);
- return (len > 0) ? result : 0;
+ len, (int) *result);
+ return (len > 0) ? *result : 0;
}
/*******************************************************************************
unsigned char i;
struct usb_device *dev;
- /* GJ */
- memset(usb_stor_buf, 0, sizeof(usb_stor_buf));
-
if (mode == 1)
- printf(" scanning bus for storage devices... ");
+ printf(" scanning usb for storage devices... ");
usb_disable_asynch(1); /* asynch transfer not allowed */
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
US_BBB_RESET,
USB_TYPE_CLASS | USB_RECIP_INTERFACE,
- 0, us->ifnum, 0, 0, USB_CNTL_TIMEOUT * 5);
+ 0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5);
if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
USB_STOR_PRINTF("RESET:stall\n");
}
/* long wait for reset */
- wait_ms(150);
+ mdelay(150);
USB_STOR_PRINTF("BBB_reset result %d: status %lX reset\n", result,
us->pusb_dev->status);
pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
result = usb_clear_halt(us->pusb_dev, pipe);
/* long wait for reset */
- wait_ms(150);
+ mdelay(150);
USB_STOR_PRINTF("BBB_reset result %d: status %lX clearing IN endpoint\n",
result, us->pusb_dev->status);
/* long wait for reset */
pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
result = usb_clear_halt(us->pusb_dev, pipe);
- wait_ms(150);
+ mdelay(150);
USB_STOR_PRINTF("BBB_reset result %d: status %lX"
" clearing OUT endpoint\n", result,
us->pusb_dev->status);
USB_CNTL_TIMEOUT * 5);
/* long wait for reset */
- wait_ms(1500);
+ mdelay(1500);
USB_STOR_PRINTF("CB_reset result %d: status %lX"
" clearing endpoint halt\n", result,
us->pusb_dev->status);
* Set up the command for a BBB device. Note that the actual SCSI
* command is copied into cbw.CBWCDB.
*/
-int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
+static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us)
{
int result;
int actlen;
int dir_in;
unsigned int pipe;
- umass_bbb_cbw_t cbw;
+ ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1);
dir_in = US_DIRECTION(srb->cmd[0]);
/* always OUT to the ep */
pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
- cbw.dCBWSignature = cpu_to_le32(CBWSIGNATURE);
- cbw.dCBWTag = cpu_to_le32(CBWTag++);
- cbw.dCBWDataTransferLength = cpu_to_le32(srb->datalen);
- cbw.bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT);
- cbw.bCBWLUN = srb->lun;
- cbw.bCDBLength = srb->cmdlen;
+ cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE);
+ cbw->dCBWTag = cpu_to_le32(CBWTag++);
+ cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen);
+ cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT);
+ cbw->bCBWLUN = srb->lun;
+ cbw->bCDBLength = srb->cmdlen;
/* copy the command data into the CBW command data buffer */
/* DST SRC LEN!!! */
- memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen);
- result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE,
+ memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen);
+ result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE,
&actlen, USB_CNTL_TIMEOUT * 5);
if (result < 0)
USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n");
/* FIXME: we also need a CBI_command which sets up the completion
* interrupt, and waits for it
*/
-int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
+static int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
{
int result = 0;
int dir_in, retry;
}
-int usb_stor_CBI_get_status(ccb *srb, struct us_data *us)
+static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us)
{
int timeout;
(void *) &us->ip_data, us->irqmaxp, us->irqinterval);
timeout = 1000;
while (timeout--) {
- if ((volatile int *) us->ip_wanted == 0)
+ if ((volatile int *) us->ip_wanted == NULL)
break;
- wait_ms(10);
+ mdelay(10);
}
if (us->ip_wanted) {
printf(" Did not get interrupt on CBI\n");
#define USB_TRANSPORT_NOT_READY_RETRY 10
/* clear a stall on an endpoint - special for BBB devices */
-int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
+static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt)
{
int result;
/* ENDPOINT_HALT = 0, so set value to 0 */
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0),
USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
- 0, endpt, 0, 0, USB_CNTL_TIMEOUT * 5);
+ 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5);
return result;
}
-int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
+static int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
{
int result, retry;
int dir_in;
int actlen, data_actlen;
unsigned int pipe, pipein, pipeout;
- umass_bbb_csw_t csw;
+ ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1);
#ifdef BBB_XPORT_TRACE
unsigned char *ptr;
int index;
usb_stor_BBB_reset(us);
return USB_STOR_TRANSPORT_FAILED;
}
- wait_ms(5);
+ if (!(us->flags & USB_READY))
+ mdelay(5);
pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
/* DATA phase + error handling */
retry = 0;
again:
USB_STOR_PRINTF("STATUS phase\n");
- result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE,
+ result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE,
&actlen, USB_CNTL_TIMEOUT*5);
/* special handling of STALL in STATUS phase */
return USB_STOR_TRANSPORT_FAILED;
}
#ifdef BBB_XPORT_TRACE
- ptr = (unsigned char *)&csw;
+ ptr = (unsigned char *)csw;
for (index = 0; index < UMASS_BBB_CSW_SIZE; index++)
printf("ptr[%d] %#x ", index, ptr[index]);
printf("\n");
#endif
/* misuse pipe to get the residue */
- pipe = le32_to_cpu(csw.dCSWDataResidue);
+ pipe = le32_to_cpu(csw->dCSWDataResidue);
if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
pipe = srb->datalen - data_actlen;
- if (CSWSIGNATURE != le32_to_cpu(csw.dCSWSignature)) {
+ if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) {
USB_STOR_PRINTF("!CSWSIGNATURE\n");
usb_stor_BBB_reset(us);
return USB_STOR_TRANSPORT_FAILED;
- } else if ((CBWTag - 1) != le32_to_cpu(csw.dCSWTag)) {
+ } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) {
USB_STOR_PRINTF("!Tag\n");
usb_stor_BBB_reset(us);
return USB_STOR_TRANSPORT_FAILED;
- } else if (csw.bCSWStatus > CSWSTATUS_PHASE) {
+ } else if (csw->bCSWStatus > CSWSTATUS_PHASE) {
USB_STOR_PRINTF(">PHASE\n");
usb_stor_BBB_reset(us);
return USB_STOR_TRANSPORT_FAILED;
- } else if (csw.bCSWStatus == CSWSTATUS_PHASE) {
+ } else if (csw->bCSWStatus == CSWSTATUS_PHASE) {
USB_STOR_PRINTF("=PHASE\n");
usb_stor_BBB_reset(us);
return USB_STOR_TRANSPORT_FAILED;
USB_STOR_PRINTF("transferred %dB instead of %ldB\n",
data_actlen, srb->datalen);
return USB_STOR_TRANSPORT_FAILED;
- } else if (csw.bCSWStatus == CSWSTATUS_FAILED) {
+ } else if (csw->bCSWStatus == CSWSTATUS_FAILED) {
USB_STOR_PRINTF("FAILED\n");
return USB_STOR_TRANSPORT_FAILED;
}
return result;
}
-int usb_stor_CB_transport(ccb *srb, struct us_data *us)
+static int usb_stor_CB_transport(ccb *srb, struct us_data *us)
{
int result, status;
ccb *psrb;
srb->sense_buf[12], srb->sense_buf[13]);
return USB_STOR_TRANSPORT_FAILED;
} else {
- wait_ms(100);
+ mdelay(100);
goto do_retry;
}
break;
srb->cmd[1] = srb->lun << 5;
srb->datalen = 0;
srb->cmdlen = 12;
- if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD)
+ if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) {
+ ss->flags |= USB_READY;
return 0;
+ }
usb_request_sense(srb, ss);
- wait_ms(100);
+ /*
+ * Check the Key Code Qualifier, if it matches
+ * "Not Ready - medium not present"
+ * (the sense Key equals 0x2 and the ASC is 0x3a)
+ * return immediately as the medium being absent won't change
+ * unless there is a user action.
+ */
+ if ((srb->sense_buf[2] == 0x02) &&
+ (srb->sense_buf[12] == 0x3a))
+ return -1;
+ mdelay(100);
} while (retries--);
return -1;
}
#endif /* CONFIG_USB_BIN_FIXUP */
-#define USB_MAX_READ_BLK 20
-
unsigned long usb_stor_read(int device, unsigned long blknr,
- unsigned long blkcnt, void *buffer)
+ lbaint_t blkcnt, void *buffer)
{
- unsigned long start, blks, buf_addr;
+ lbaint_t start, blks;
+ uintptr_t buf_addr;
unsigned short smallblks;
struct usb_device *dev;
+ struct us_data *ss;
int retry, i;
ccb *srb = &usb_ccb;
if (dev->devnum == usb_dev_desc[device].target)
break;
}
+ ss = (struct us_data *)dev->privptr;
usb_disable_asynch(1); /* asynch transfer not allowed */
srb->lun = usb_dev_desc[device].lun;
buf_addr = (unsigned long)buffer;
start = blknr;
blks = blkcnt;
- if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) {
- printf("Device NOT ready\n Request Sense returned %02X %02X"
- " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
- srb->sense_buf[13]);
- return 0;
- }
- USB_STOR_PRINTF("\nusb_read: dev %d startblk %lx, blccnt %lx"
+ USB_STOR_PRINTF("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF
" buffer %lx\n", device, start, blks, buf_addr);
do {
/* XXX need some comment here */
retry = 2;
srb->pdata = (unsigned char *)buf_addr;
- if (blks > USB_MAX_READ_BLK)
- smallblks = USB_MAX_READ_BLK;
+ if (blks > USB_MAX_XFER_BLK)
+ smallblks = USB_MAX_XFER_BLK;
else
smallblks = (unsigned short) blks;
retry_it:
- if (smallblks == USB_MAX_READ_BLK)
+ if (smallblks == USB_MAX_XFER_BLK)
usb_show_progress();
srb->datalen = usb_dev_desc[device].blksz * smallblks;
srb->pdata = (unsigned char *)buf_addr;
- if (usb_read_10(srb, (struct us_data *)dev->privptr, start,
- smallblks)) {
+ if (usb_read_10(srb, ss, start, smallblks)) {
USB_STOR_PRINTF("Read ERROR\n");
- usb_request_sense(srb, (struct us_data *)dev->privptr);
+ usb_request_sense(srb, ss);
if (retry--)
goto retry_it;
blkcnt -= blks;
blks -= smallblks;
buf_addr += srb->datalen;
} while (blks != 0);
+ ss->flags &= ~USB_READY;
- USB_STOR_PRINTF("usb_read: end startblk %lx, blccnt %x buffer %lx\n",
+ USB_STOR_PRINTF("usb_read: end startblk " LBAF
+ ", blccnt %x buffer %lx\n",
start, smallblks, buf_addr);
usb_disable_asynch(0); /* asynch transfer allowed */
- if (blkcnt >= USB_MAX_READ_BLK)
+ if (blkcnt >= USB_MAX_XFER_BLK)
debug("\n");
return blkcnt;
}
-#define USB_MAX_WRITE_BLK 20
-
unsigned long usb_stor_write(int device, unsigned long blknr,
- unsigned long blkcnt, const void *buffer)
+ lbaint_t blkcnt, const void *buffer)
{
- unsigned long start, blks, buf_addr;
+ lbaint_t start, blks;
+ uintptr_t buf_addr;
unsigned short smallblks;
struct usb_device *dev;
+ struct us_data *ss;
int retry, i;
ccb *srb = &usb_ccb;
if (dev->devnum == usb_dev_desc[device].target)
break;
}
+ ss = (struct us_data *)dev->privptr;
usb_disable_asynch(1); /* asynch transfer not allowed */
buf_addr = (unsigned long)buffer;
start = blknr;
blks = blkcnt;
- if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) {
- printf("Device NOT ready\n Request Sense returned %02X %02X"
- " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
- srb->sense_buf[13]);
- return 0;
- }
- USB_STOR_PRINTF("\nusb_write: dev %d startblk %lx, blccnt %lx"
+ USB_STOR_PRINTF("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF
" buffer %lx\n", device, start, blks, buf_addr);
do {
*/
retry = 2;
srb->pdata = (unsigned char *)buf_addr;
- if (blks > USB_MAX_WRITE_BLK)
- smallblks = USB_MAX_WRITE_BLK;
+ if (blks > USB_MAX_XFER_BLK)
+ smallblks = USB_MAX_XFER_BLK;
else
smallblks = (unsigned short) blks;
retry_it:
- if (smallblks == USB_MAX_WRITE_BLK)
+ if (smallblks == USB_MAX_XFER_BLK)
usb_show_progress();
srb->datalen = usb_dev_desc[device].blksz * smallblks;
srb->pdata = (unsigned char *)buf_addr;
- if (usb_write_10(srb, (struct us_data *)dev->privptr, start,
- smallblks)) {
+ if (usb_write_10(srb, ss, start, smallblks)) {
USB_STOR_PRINTF("Write ERROR\n");
- usb_request_sense(srb, (struct us_data *)dev->privptr);
+ usb_request_sense(srb, ss);
if (retry--)
goto retry_it;
blkcnt -= blks;
blks -= smallblks;
buf_addr += srb->datalen;
} while (blks != 0);
+ ss->flags &= ~USB_READY;
- USB_STOR_PRINTF("usb_write: end startblk %lx, blccnt %x buffer %lx\n",
+ USB_STOR_PRINTF("usb_write: end startblk " LBAF
+ ", blccnt %x buffer %lx\n",
start, smallblks, buf_addr);
usb_disable_asynch(0); /* asynch transfer allowed */
- if (blkcnt >= USB_MAX_WRITE_BLK)
+ if (blkcnt >= USB_MAX_XFER_BLK)
debug("\n");
return blkcnt;
block_dev_desc_t *dev_desc)
{
unsigned char perq, modi;
- unsigned long cap[2];
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2);
+ ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36);
unsigned long *capacity, *blksz;
ccb *pccb = &usb_ccb;
/* 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);
+ memcpy(&dev_desc->vendor[0], (const void *) &usb_stor_buf[8], 8);
+ memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16);
+ memcpy(&dev_desc->revision[0], (const void *) &usb_stor_buf[32], 4);
dev_desc->vendor[8] = 0;
dev_desc->product[16] = 0;
dev_desc->revision[4] = 0;
cap[0] = 2880;
cap[1] = 0x200;
}
+ ss->flags &= ~USB_READY;
USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0],
cap[1]);
#if 0
projects / karo-tx-uboot.git / blobdiff