/*
- * (C) Copyright 2001
- * Denis Peter, MPL AG Switzerland
+ * Most of this source has been derived from the Linux USB
+ * project:
+ * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net)
+ * (c) 2000 David L. Brown, Jr. (usb-storage@davidb.org)
+ * (c) 1999 Michael Gee (michael@linuxspecific.com)
+ * (c) 2000 Yggdrasil Computing, Inc.
+ *
+ *
+ * Adapted for U-Boot:
+ * (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. BBB support based on /sys/dev/usb/umass.c from
+ * BBB support based on /sys/dev/usb/umass.c from
* FreeBSD.
*
* See file CREDITS for list of people who contributed to this
*
* 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
#include <asm/processor.h>
-#if (CONFIG_COMMANDS & CFG_CMD_USB)
+#if defined(CONFIG_CMD_USB)
+#include <part.h>
#include <usb.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 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 */
__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 */
+static int usb_max_devs = 0; /* number of highest available usb device */
static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV];
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 long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, void *buffer);
struct usb_device * usb_get_dev_index(int index);
void uhci_show_temp_int_td(void);
block_dev_desc_t *usb_stor_get_dev(int index)
{
- return &usb_dev_desc[index];
+ return (index < USB_MAX_STOR_DEV) ? &usb_dev_desc[index] : NULL;
}
}
/*********************************************************************************
- * (re)-scan the usb and reports device info
+ * show info on storage devices; 'usb start/init' must be invoked earlier
+ * as we only retrieve structures populated during devices initialization
+ */
+int usb_stor_info(void)
+{
+ int i;
+
+ if (usb_max_devs > 0) {
+ for (i = 0; i < usb_max_devs; i++) {
+ printf (" Device %d: ", i);
+ dev_print(&usb_dev_desc[i]);
+ return 0;
+ }
+ } else {
+ printf("No storage devices, perhaps not 'usb start'ed..?\n");
+ return 1;
+ }
+}
+
+/*********************************************************************************
+ * scan the usb and reports device info
* to the user if mode = 1
* returns current device or -1 if no
*/
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... ");
}
usb_disable_asynch(1); /* asynch transfer not allowed */
usb_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
usb_dev_desc[i].block_read=usb_stor_read;
}
+
usb_max_devs=0;
for(i=0;i<USB_MAX_DEVICE;i++) {
dev=usb_get_dev_index(i); /* get device */
}
if(usb_storage_probe(dev,0,&usb_stor[usb_max_devs])) { /* ok, it is a storage devices */
/* get info and fill it in */
-
- if(usb_stor_get_info(dev, &usb_stor[usb_max_devs], &usb_dev_desc[usb_max_devs])) {
- if(mode==1) {
- printf (" Device %d: ", usb_max_devs);
- dev_print(&usb_dev_desc[usb_max_devs]);
- } /* if mode */
+ if(usb_stor_get_info(dev, &usb_stor[usb_max_devs], &usb_dev_desc[usb_max_devs]))
usb_max_devs++;
- } /* if get info ok */
} /* if storage device */
if(usb_max_devs==USB_MAX_STOR_DEV) {
printf("max USB Storage Device reached: %d stopping\n",usb_max_devs);
break;
}
} /* for */
+
usb_disable_asynch(0); /* asynch transfer allowed */
+ printf("%d Storage Device(s) found\n", usb_max_devs);
if(usb_max_devs>0)
return 0;
else
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);
*/
int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
{
- int result;
+ int result = 0;
int dir_in,retry;
unsigned int pipe;
unsigned long status;
USB_STOR_PRINTF("CB_transport: control msg returned %d, direction is %s to go 0x%lx\n",result,dir_in ? "IN" : "OUT",srb->datalen);
if (srb->datalen) {
- result = us_one_transfer(us, pipe, srb->pdata,srb->datalen);
+ result = us_one_transfer(us, pipe, (char *)srb->pdata,srb->datalen);
USB_STOR_PRINTF("CBI attempted to transfer data, result is %d status %lX, len %d\n", result,us->pusb_dev->status,us->pusb_dev->act_len);
if(!(us->pusb_dev->status & USB_ST_NAK_REC))
break;
}
-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;
}
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
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);
+ 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");
}
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);
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",
static int usb_inquiry(ccb *srb,struct us_data *ss)
{
int retry,i;
- retry=3;
+ retry=5;
do {
memset(&srb->cmd[0],0,12);
srb->cmd[0]=SCSI_INQUIRY;
static int usb_request_sense(ccb *srb,struct us_data *ss)
{
char *ptr;
- return 0;
- ptr=srb->pdata;
+
+ ptr=(char *)srb->pdata;
memset(&srb->cmd[0],0,12);
srb->cmd[0]=SCSI_REQ_SENSE;
srb->cmd[1]=srb->lun<<5;
srb->cmdlen=12;
ss->transport(srb,ss);
USB_STOR_PRINTF("Request Sense returned %02X %02X %02X\n",srb->sense_buf[2],srb->sense_buf[12],srb->sense_buf[13]);
- srb->pdata=ptr;
+ srb->pdata=(uchar *)ptr;
return 0;
}
static int usb_test_unit_ready(ccb *srb,struct us_data *ss)
{
- int retries=10;
+ int retries = 10;
do {
memset(&srb->cmd[0],0,12);
if(ss->transport(srb,ss)==USB_STOR_TRANSPORT_GOOD) {
return 0;
}
+ usb_request_sense (srb, ss);
+ wait_ms (100);
} while(retries--);
return -1;
static int usb_read_capacity(ccb *srb,struct us_data *ss)
{
int retry;
- retry=2; /* retries */
+ retry = 3; /* retries */
do {
memset(&srb->cmd[0],0,12);
srb->cmd[0]=SCSI_RD_CAPAC;
}
+#ifdef CONFIG_USB_BIN_FIXUP
+/*
+ * Some USB storage devices queried for SCSI identification data respond with
+ * binary strings, which if output to the console freeze the terminal. The
+ * workaround is to modify the vendor and product strings read from such
+ * device with proper values (as reported by 'usb info').
+ *
+ * Vendor and product length limits are taken from the definition of
+ * block_dev_desc_t in include/part.h.
+ */
+static void usb_bin_fixup(struct usb_device_descriptor descriptor,
+ unsigned char vendor[],
+ unsigned char product[]) {
+ const unsigned char max_vendor_len = 40;
+ const unsigned char max_product_len = 20;
+ if (descriptor.idVendor == 0x0424 && descriptor.idProduct == 0x223a) {
+ strncpy ((char *)vendor, "SMSC", max_vendor_len);
+ strncpy ((char *)product, "Flash Media Cntrller", max_product_len);
+ }
+}
+#endif /* CONFIG_USB_BIN_FIXUP */
+
#define USB_MAX_READ_BLK 20
-unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, unsigned long *buffer)
+unsigned long usb_stor_read(int device, unsigned long blknr, unsigned long blkcnt, void *buffer)
{
unsigned long start,blks, buf_addr;
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);
int protocol = 0;
int subclass = 0;
-
- memset(ss, 0, sizeof(struct us_data));
-
/* let's examine the device now */
iface = &dev->config.if_desc[ifnum];
return 0;
}
+ memset(ss, 0, sizeof(struct us_data));
+
/* At this point, we know we've got a live one */
USB_STOR_PRINTF("\n\nUSB Mass Storage device detected\n");
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;
}
/* 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;
}
unsigned char perq,modi;
unsigned long cap[2];
unsigned long *capacity,*blksz;
- ccb *pccb=&usb_ccb;
+ 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)
+ ||
+ /* SanDisk Corporation Cruzer Micro 20044318410546613953 */
+ (dev->descriptor.idVendor == 0x0781 &&
+ dev->descriptor.idProduct == 0x5151)
+ )
+ USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
+ else
+ ss->transport_reset(ss);
- ss->transport_reset(ss);
- pccb->pdata=usb_stor_buf;
+ pccb->pdata = usb_stor_buf;
- dev_desc->target=dev->devnum;
- pccb->lun=dev_desc->lun;
+ 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) {
+
+ perq = usb_stor_buf[0];
+ modi = usb_stor_buf[1];
+ if((perq & 0x1f) == 0x1f) {
return 0; /* skip unknown devices */
}
- if((modi&0x80)==0x80) {/* drive is removable */
- dev_desc->removable=1;
+ 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;
+ dev_desc->vendor[8] = 0;
+ dev_desc->product[16] = 0;
+ dev_desc->revision[4] = 0;
+#ifdef CONFIG_USB_BIN_FIXUP
+ usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, (uchar *)dev_desc->product);
+#endif /* CONFIG_USB_BIN_FIXUP */
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;
+ if(dev_desc->removable == 1) {
+ dev_desc->type = perq;
return 1;
}
else
return 0;
}
- pccb->pdata=(unsigned char *)&cap[0];
+ pccb->pdata = (unsigned char *)&cap[0];
memset(pccb->pdata,0,8);
- if(usb_read_capacity(pccb,ss)!=0) {
+ if(usb_read_capacity(pccb,ss) != 0) {
printf("READ_CAP ERROR\n");
- cap[0]=2880;
- cap[1]=0x200;
+ cap[0] = 2880;
+ cap[1] = 0x200;
}
USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n",cap[0],cap[1]);
#if 0
(((unsigned long)(cap[1]) & (unsigned long)0xff000000UL) >> 24) ));
#endif
/* this assumes bigendian! */
- cap[0]+=1;
- capacity=&cap[0];
- blksz=&cap[1];
+ 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;
+ 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);
}
#endif /* CONFIG_USB_STORAGE */
-#endif /* CFG_CMD_USB */
+#endif
projects / u-boot / blobdiff