* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland
*
+ * For BBB support (C) Copyright 2003
+ * Gary Jennejohn, DENX Software Engineering <gj@denx.de>
+ *
* Most of this source has been derived from the Linux USB
- * project.
+ * project. BBB support based on /sys/dev/usb/umass.c from
+ * FreeBSD.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB
* transport protocoll may work as well.
*/
-
+/*
+ * New Note:
+ * Support for USB Mass Storage Devices (BBB) has been added. It has
+ * only been tested with USB memory sticks.
+ * Nota bene: if you are using the BBB support with a little-endian
+ * CPU then you MUST define LITTLEENDIAN in the configuration file!
+ */
#include <common.h>
#ifdef CONFIG_USB_STORAGE
-#undef USB_STOR_DEBUG
+#undef USB_STOR_DEBUG
+#undef BBB_COMDAT_TRACE
+#undef BBB_XPORT_TRACE
#ifdef USB_STOR_DEBUG
-#define USB_STOR_PRINTF(fmt,args...) printf (fmt ,##args)
+#define USB_STOR_PRINTF(fmt,args...) printf (fmt ,##args)
#else
#define USB_STOR_PRINTF(fmt,args...)
#endif
#define US_CBI_ADSC 0
+/*
+ * BULK only
+ */
+#define US_BBB_RESET 0xff
+#define US_BBB_GET_MAX_LUN 0xfe
+
+/* Command Block Wrapper */
+typedef struct {
+ __u32 dCBWSignature;
+# define CBWSIGNATURE 0x43425355
+ __u32 dCBWTag;
+ __u32 dCBWDataTransferLength;
+ __u8 bCBWFlags;
+# define CBWFLAGS_OUT 0x00
+# define CBWFLAGS_IN 0x80
+ __u8 bCBWLUN;
+ __u8 bCDBLength;
+# define CBWCDBLENGTH 16
+ __u8 CBWCDB[CBWCDBLENGTH];
+} umass_bbb_cbw_t;
+#define UMASS_BBB_CBW_SIZE 31
+static __u32 CBWTag = 0;
+
+/* Command Status Wrapper */
+typedef struct {
+ __u32 dCSWSignature;
+# define CSWSIGNATURE 0x53425355
+ __u32 dCSWTag;
+ __u32 dCSWDataResidue;
+ __u8 bCSWStatus;
+# define CSWSTATUS_GOOD 0x0
+# define CSWSTATUS_FAILED 0x1
+# define CSWSTATUS_PHASE 0x2
+} umass_bbb_csw_t;
+#define UMASS_BBB_CSW_SIZE 13
#define USB_MAX_STOR_DEV 5
static int usb_max_devs; /* number of highest available usb device */
typedef int (*trans_reset)(struct us_data*);
struct us_data {
- struct usb_device *pusb_dev; /* this usb_device */
+ struct usb_device *pusb_dev; /* this usb_device */
unsigned int flags; /* from filter initially */
unsigned char ifnum; /* interface number */
unsigned char ep_in; /* in endpoint */
unsigned char ep_int; /* interrupt . */
unsigned char subclass; /* as in overview */
unsigned char protocol; /* .............. */
- unsigned char attention_done; /* force attn on first cmd */
+ unsigned char attention_done; /* force attn on first cmd */
unsigned short ip_data; /* interrupt data */
int action; /* what to do */
int ip_wanted; /* needed */
int *irq_handle; /* for USB int requests */
unsigned int irqpipe; /* pipe for release_irq */
unsigned char irqmaxp; /* max packed for irq Pipe */
- unsigned char irqinterval; /* Intervall for IRQ Pipe */
+ unsigned char irqinterval; /* Intervall for IRQ Pipe */
ccb *srb; /* current srb */
trans_reset transport_reset; /* reset routine */
trans_cmnd transport; /* transport routine */
static struct us_data usb_stor[USB_MAX_STOR_DEV];
-
-#define USB_STOR_TRANSPORT_GOOD 0
+#define USB_STOR_TRANSPORT_GOOD 0
#define USB_STOR_TRANSPORT_FAILED -1
#define USB_STOR_TRANSPORT_ERROR -2
-
-
-
-
int usb_stor_get_info(struct usb_device *dev, struct us_data *us, block_dev_desc_t *dev_desc);
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, unsigned long *buffer);
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...\n");
+ printf(" scanning bus for storage devices...\n");
}
usb_disable_asynch(1); /* asynch transfer not allowed */
return 0;
}
+static int usb_stor_BBB_reset(struct us_data *us)
+{
+ int result;
+ unsigned int pipe;
+
+ /*
+ * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class)
+ *
+ * For Reset Recovery the host shall issue in the following order:
+ * a) a Bulk-Only Mass Storage Reset
+ * b) a Clear Feature HALT to the Bulk-In endpoint
+ * c) a Clear Feature HALT to the Bulk-Out endpoint
+ *
+ * This is done in 3 steps.
+ *
+ * If the reset doesn't succeed, the device should be port reset.
+ *
+ * This comment stolen from FreeBSD's /sys/dev/usb/umass.c.
+ */
+ USB_STOR_PRINTF("BBB_reset\n");
+ 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);
+ if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED))
+ {
+ USB_STOR_PRINTF("RESET:stall\n");
+ return -1;
+ }
+ /* long wait for reset */
+ wait_ms(150);
+ USB_STOR_PRINTF("BBB_reset result %d: status %X 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);
+ USB_STOR_PRINTF("BBB_reset result %d: status %X 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);
+ USB_STOR_PRINTF("BBB_reset result %d: status %X clearing OUT endpoint\n",result,us->pusb_dev->status);
+ USB_STOR_PRINTF("BBB_reset done\n");
+ return 0;
+}
+
/* FIXME: this reset function doesn't really reset the port, and it
* should. Actually it should probably do what it's doing here, and
* reset the port physically
return 0;
}
+/*
+ * 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)
+{
+ int result;
+ int actlen;
+ int dir_in;
+ unsigned int pipe;
+ umass_bbb_cbw_t cbw;
+
+ dir_in = US_DIRECTION(srb->cmd[0]);
+
+#ifdef BBB_COMDAT_TRACE
+ printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, srb->pdata);
+ if (srb->cmdlen) {
+ for(result = 0;result < srb->cmdlen;result++)
+ printf("cmd[%d] %#x ", result, srb->cmd[result]);
+ printf("\n");
+ }
+#endif
+ /* sanity checks */
+ if (!(srb->cmdlen <= CBWCDBLENGTH)) {
+ USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n");
+ return -1;
+ }
+
+ /* always OUT to the ep */
+ pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
+
+ cbw.dCBWSignature = swap_32(CBWSIGNATURE);
+ cbw.dCBWTag = swap_32(CBWTag++);
+ cbw.dCBWDataTransferLength = swap_32(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, &actlen, USB_CNTL_TIMEOUT*5);
+ if (result < 0)
+ USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n");
+ return result;
+}
+
/* FIXME: we also need a CBI_command which sets up the completion
* interrupt, and waits for it
*/
}
-int usb_stor_CBI_get_status(ccb *srb, struct us_data *us)
+int usb_stor_CBI_get_status (ccb * srb, struct us_data *us)
{
int timeout;
- us->ip_wanted=1;
- submit_int_msg(us->pusb_dev,us->irqpipe,
- (void *)&us->ip_data,us->irqmaxp ,us->irqinterval);
- timeout=1000;
- while(timeout--) {
- if((volatile int *)us->ip_wanted==0)
+ us->ip_wanted = 1;
+ submit_int_msg (us->pusb_dev, us->irqpipe,
+ (void *) &us->ip_data, us->irqmaxp, us->irqinterval);
+ timeout = 1000;
+ while (timeout--) {
+ if ((volatile int *) us->ip_wanted == 0)
break;
- wait_ms(10);
+ wait_ms (10);
}
if (us->ip_wanted) {
- printf(" Did not get interrupt on CBI\n");
+ printf (" Did not get interrupt on CBI\n");
us->ip_wanted = 0;
return USB_STOR_TRANSPORT_ERROR;
}
- USB_STOR_PRINTF("Got interrupt data 0x%x, transfered %d status 0x%lX\n", us->ip_data,us->pusb_dev->irq_act_len,us->pusb_dev->irq_status);
+ USB_STOR_PRINTF
+ ("Got interrupt data 0x%x, transfered %d status 0x%lX\n",
+ us->ip_data, us->pusb_dev->irq_act_len,
+ us->pusb_dev->irq_status);
/* UFI gives us ASC and ASCQ, like a request sense */
if (us->subclass == US_SC_UFI) {
if (srb->cmd[0] == SCSI_REQ_SENSE ||
srb->cmd[0] == SCSI_INQUIRY)
return USB_STOR_TRANSPORT_GOOD; /* Good */
+ else if (us->ip_data)
+ return USB_STOR_TRANSPORT_FAILED;
else
- if (us->ip_data)
- return USB_STOR_TRANSPORT_FAILED;
- else
- return USB_STOR_TRANSPORT_GOOD;
+ return USB_STOR_TRANSPORT_GOOD;
}
/* otherwise, we interpret the data normally */
switch (us->ip_data) {
- case 0x0001:
- return USB_STOR_TRANSPORT_GOOD;
- case 0x0002:
- return USB_STOR_TRANSPORT_FAILED;
- default:
- return USB_STOR_TRANSPORT_ERROR;
- } /* switch */
+ case 0x0001:
+ return USB_STOR_TRANSPORT_GOOD;
+ case 0x0002:
+ return USB_STOR_TRANSPORT_FAILED;
+ default:
+ return USB_STOR_TRANSPORT_ERROR;
+ } /* switch */
return USB_STOR_TRANSPORT_ERROR;
}
#define USB_TRANSPORT_UNKNOWN_RETRY 5
#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)
+{
+ 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);
+ return result;
+}
+
+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;
+#ifdef BBB_XPORT_TRACE
+ unsigned char *ptr;
+ int index;
+#endif
+
+ dir_in = US_DIRECTION(srb->cmd[0]);
+
+ /* COMMAND phase */
+ USB_STOR_PRINTF("COMMAND phase\n");
+ result = usb_stor_BBB_comdat(srb, us);
+ if (result < 0) {
+ USB_STOR_PRINTF("failed to send CBW status %ld\n",
+ us->pusb_dev->status);
+ usb_stor_BBB_reset(us);
+ return USB_STOR_TRANSPORT_FAILED;
+ }
+ wait_ms(5);
+ pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
+ pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
+ /* DATA phase + error handling */
+ data_actlen = 0;
+ /* no data, go immediately to the STATUS phase */
+ if (srb->datalen == 0)
+ goto st;
+ USB_STOR_PRINTF("DATA phase\n");
+ if (dir_in)
+ pipe = pipein;
+ else
+ pipe = pipeout;
+ result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, &data_actlen, USB_CNTL_TIMEOUT*5);
+ /* special handling of STALL in DATA phase */
+ if((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) {
+ USB_STOR_PRINTF("DATA:stall\n");
+ /* clear the STALL on the endpoint */
+ result = usb_stor_BBB_clear_endpt_stall(us, dir_in? us->ep_in : us->ep_out);
+ if (result >= 0)
+ /* continue on to STATUS phase */
+ goto st;
+ }
+ if (result < 0) {
+ USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
+ us->pusb_dev->status);
+ usb_stor_BBB_reset(us);
+ return USB_STOR_TRANSPORT_FAILED;
+ }
+#ifdef BBB_XPORT_TRACE
+ for (index = 0; index < data_actlen; index++)
+ printf("pdata[%d] %#x ", index, srb->pdata[index]);
+ printf("\n");
+#endif
+ /* STATUS phase + error handling */
+ st:
+ retry = 0;
+ again:
+ USB_STOR_PRINTF("STATUS phase\n");
+ 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 */
+ if((result < 0) && (retry < 1) && (us->pusb_dev->status & USB_ST_STALLED)) {
+ USB_STOR_PRINTF("STATUS:stall\n");
+ /* clear the STALL on the endpoint */
+ result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in);
+ if (result >= 0 && (retry++ < 1))
+ /* do a retry */
+ goto again;
+ }
+ if (result < 0) {
+ USB_STOR_PRINTF("usb_bulk_msg error status %ld\n",
+ us->pusb_dev->status);
+ usb_stor_BBB_reset(us);
+ return USB_STOR_TRANSPORT_FAILED;
+ }
+#ifdef BBB_XPORT_TRACE
+ 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 = swap_32(csw.dCSWDataResidue);
+ if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0)
+ pipe = srb->datalen - data_actlen;
+ if (CSWSIGNATURE != swap_32(csw.dCSWSignature)) {
+ USB_STOR_PRINTF("!CSWSIGNATURE\n");
+ usb_stor_BBB_reset(us);
+ return USB_STOR_TRANSPORT_FAILED;
+ } else if ((CBWTag - 1) != swap_32(csw.dCSWTag)) {
+ USB_STOR_PRINTF("!Tag\n");
+ usb_stor_BBB_reset(us);
+ return USB_STOR_TRANSPORT_FAILED;
+ } 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) {
+ USB_STOR_PRINTF("=PHASE\n");
+ usb_stor_BBB_reset(us);
+ return USB_STOR_TRANSPORT_FAILED;
+ } else if (data_actlen > srb->datalen) {
+ USB_STOR_PRINTF("transferred %dB instead of %dB\n",
+ data_actlen, srb->datalen);
+ return USB_STOR_TRANSPORT_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)
{
int result,status;
}
if((us->protocol==US_PR_CBI) &&
((srb->cmd[0]==SCSI_REQ_SENSE) ||
- (srb->cmd[0]==SCSI_INQUIRY))) { /* do not issue an autorequest after request sense */
+ (srb->cmd[0]==SCSI_INQUIRY))) { /* do not issue an autorequest after request sense */
USB_STOR_PRINTF("No auto request and good\n");
return USB_STOR_TRANSPORT_GOOD;
}
USB_STOR_PRINTF("auto request returned %d\n",result);
/* if this is an CBI Protocol, get IRQ */
if(us->protocol==US_PR_CBI) {
- status=usb_stor_CBI_get_status(psrb,us);
+ status=usb_stor_CBI_get_status(psrb,us);
}
if((result<0)&&!(us->pusb_dev->status & USB_ST_STALLED)) {
USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n",us->pusb_dev->status);
return USB_STOR_TRANSPORT_GOOD;
/* Check the auto request result */
switch(srb->sense_buf[2]) {
- case 0x01: /* Recovered Error */
- return USB_STOR_TRANSPORT_GOOD;
- break;
- case 0x02: /* Not Ready */
- if(notready++ > USB_TRANSPORT_NOT_READY_RETRY) {
- printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X (NOT READY)\n",
- srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
- return USB_STOR_TRANSPORT_FAILED;
- }
- else {
- wait_ms(100);
- goto do_retry;
- }
- break;
- default:
- if(retry++ > USB_TRANSPORT_UNKNOWN_RETRY) {
- printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
- srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
- return USB_STOR_TRANSPORT_FAILED;
- }
- else
- goto do_retry;
- break;
+ case 0x01: /* Recovered Error */
+ return USB_STOR_TRANSPORT_GOOD;
+ break;
+ case 0x02: /* Not Ready */
+ if(notready++ > USB_TRANSPORT_NOT_READY_RETRY) {
+ printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X (NOT READY)\n",
+ srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
+ return USB_STOR_TRANSPORT_FAILED;
+ } else {
+ wait_ms(100);
+ goto do_retry;
+ }
+ break;
+ default:
+ if(retry++ > USB_TRANSPORT_UNKNOWN_RETRY) {
+ printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X 0x%02X\n",
+ srb->cmd[0],srb->sense_buf[0],srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
+ return USB_STOR_TRANSPORT_FAILED;
+ } else {
+ goto do_retry;
+ }
+ break;
}
return USB_STOR_TRANSPORT_FAILED;
}
-
static int usb_inquiry(ccb *srb,struct us_data *ss)
{
int retry,i;
USB_STOR_PRINTF("inquiry returns %d\n",i);
if(i==0)
break;
- }while(retry--);
+ } while(retry--);
+
if(!retry) {
printf("error in inquiry\n");
return -1;
static int usb_request_sense(ccb *srb,struct us_data *ss)
{
char *ptr;
- return 0;
+
ptr=srb->pdata;
memset(&srb->cmd[0],0,12);
srb->cmd[0]=SCSI_REQ_SENSE;
static int usb_test_unit_ready(ccb *srb,struct us_data *ss)
{
int retries=10;
+
do {
memset(&srb->cmd[0],0,12);
srb->cmd[0]=SCSI_TST_U_RDY;
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) {
return 0;
}
+ usb_request_sense (srb, ss);
+ wait_ms (100);
} while(retries--);
+
return -1;
}
if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
return 0;
}
- }while(retry--);
+ } while(retry--);
+
return -1;
}
unsigned short smallblks;
struct usb_device *dev;
int retry,i;
- ccb *srb=&usb_ccb;
- device&=0xff;
+ ccb *srb = &usb_ccb;
+
+ if (blkcnt == 0)
+ return 0;
+
+ device &= 0xff;
/* Setup device
*/
USB_STOR_PRINTF("\nusb_read: dev %d \n",device);
srb->pdata=(unsigned char *)buf_addr;
if(blks>USB_MAX_READ_BLK) {
smallblks=USB_MAX_READ_BLK;
- }
- else {
+ } else {
smallblks=(unsigned short) blks;
}
retry_it:
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;
default:
- printf("USB Starage Transport unknown / not yet implemented\n");
+ printf("USB Storage Transport unknown / not yet implemented\n");
return 0;
break;
}
return 0;
}
/* set class specific stuff */
- /* We only handle certain protocols. Currently, this is
- * the only one.
+ /* 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) {
+ 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 */
- {
+ 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;
- dev->privptr=(void *)ss;
}
+ dev->privptr=(void *)ss;
return 1;
}
unsigned long *capacity,*blksz;
ccb *pccb=&usb_ccb;
- ss->transport_reset(ss);
+ /* For some mysterious reason the 256MB flash disk of Ours Technology, Inc
+ * doesn't survive this reset */
+ if (dev->descriptor.idVendor != 0xea0 || dev->descriptor.idProduct != 0x6828)
+ ss->transport_reset(ss);
pccb->pdata=usb_stor_buf;
dev_desc->target=dev->devnum;
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];
return 1;
}
-#endif
#endif /* CONFIG_USB_STORAGE */
-
-
-
+#endif /* CFG_CMD_USB */
projects / u-boot / blobdiff