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Diffstat (limited to 'common/usb_storage.c')
-rw-r--r--common/usb_storage.c84
1 files changed, 46 insertions, 38 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c
index d99f259..dbe9cd9 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -19,7 +19,7 @@
*
* 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
@@ -53,10 +53,12 @@
#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
@@ -102,7 +104,7 @@ typedef struct {
# define CBWCDBLENGTH 16
__u8 CBWCDB[CBWCDBLENGTH];
} umass_bbb_cbw_t;
-#define UMASS_BBB_CBW_SIZE 31
+#define UMASS_BBB_CBW_SIZE 31
static __u32 CBWTag = 0;
/* Command Status Wrapper */
@@ -113,10 +115,10 @@ typedef struct {
__u32 dCSWDataResidue;
__u8 bCSWStatus;
# define CSWSTATUS_GOOD 0x0
-# define CSWSTATUS_FAILED 0x1
+# define CSWSTATUS_FAILED 0x1
# define CSWSTATUS_PHASE 0x2
} umass_bbb_csw_t;
-#define UMASS_BBB_CSW_SIZE 13
+#define UMASS_BBB_CSW_SIZE 13
#define USB_MAX_STOR_DEV 5
static int usb_max_devs; /* number of highest available usb device */
@@ -128,7 +130,7 @@ typedef int (*trans_cmnd)(ccb*, struct us_data*);
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 */
@@ -136,14 +138,14 @@ struct us_data {
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 */
@@ -152,7 +154,7 @@ struct us_data {
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
@@ -517,45 +519,47 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
}
-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;
}
@@ -601,11 +605,11 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
/* DATA phase + error handling */
- USB_STOR_PRINTF("DATA phase\n");
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
@@ -732,7 +736,7 @@ do_retry:
}
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;
}
@@ -749,7 +753,7 @@ do_retry:
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);
@@ -765,7 +769,7 @@ do_retry:
switch(srb->sense_buf[2]) {
case 0x01: /* Recovered Error */
return USB_STOR_TRANSPORT_GOOD;
- break;
+ 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",
@@ -817,7 +821,7 @@ static int usb_inquiry(ccb *srb,struct us_data *ss)
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;
@@ -845,6 +849,8 @@ static int usb_test_unit_ready(ccb *srb,struct us_data *ss)
if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
return 0;
}
+ usb_request_sense (srb, ss);
+ wait_ms (100);
} while(retries--);
return -1;
@@ -1026,7 +1032,7 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data
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;
}
@@ -1069,8 +1075,10 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,struct us_data
/* 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) {
+ 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;
}
generated by cgit v1.1 at 2024-11-29 22:28:02 +0000