]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - common/usb_storage.c
imx: Return gpio_set_value in gpio_direction_output
[karo-tx-uboot.git] / common / usb_storage.c
index 613c4f0f1f7e79a653ad6267a8341e7c30207f80..12083337b01e74610be23b94c467ee8ef3eb0d64 100644 (file)
 #include <part.h>
 #include <usb.h>
 
-#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_BLK_DEBUG  1
 #else
-#define USB_STOR_PRINTF(fmt, args...)
+#define USB_BLK_DEBUG  0
 #endif
 
+#define USB_STOR_PRINTF(fmt, args...)  debug_cond(USB_BLK_DEBUG, fmt, ##args)
+
 #include <scsi.h>
 /* direction table -- this indicates the direction of the data
  * transfer for each command code -- a 1 indicates input
  */
-unsigned char us_direction[256/8] = {
+static const unsigned char us_direction[256/8] = {
        0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
        0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
@@ -150,6 +151,7 @@ struct us_data {
        unsigned int    irqpipe;                /* pipe for release_irq */
        unsigned char   irqmaxp;                /* max packed for irq Pipe */
        unsigned char   irqinterval;            /* Intervall for IRQ Pipe */
+       unsigned long   max_xfer_blk;           /* Max blocks per xfer */
        ccb             *srb;                   /* current srb */
        trans_reset     transport_reset;        /* reset routine */
        trans_cmnd      transport;              /* transport routine */
@@ -173,11 +175,12 @@ unsigned long usb_stor_write(int device, unsigned long blknr,
 struct usb_device * usb_get_dev_index(int index);
 void uhci_show_temp_int_td(void);
 
+#ifdef CONFIG_PARTITIONS
 block_dev_desc_t *usb_stor_get_dev(int index)
 {
        return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL;
 }
-
+#endif
 
 void usb_show_progress(void)
 {
@@ -254,7 +257,7 @@ int usb_stor_scan(int mode)
                dev = usb_get_dev_index(i); /* get device */
                USB_STOR_PRINTF("i=%d\n", i);
                if (dev == NULL)
-                       break; /* no more devices avaiable */
+                       break; /* no more devices available */
 
                if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) {
                        /* OK, it's a storage device.  Iterate over its LUNs
@@ -371,7 +374,7 @@ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)
                                        usb_clear_halt(us->pusb_dev, pipe);
                                        us->pusb_dev->status = stat;
                                        if (this_xfer == partial) {
-                                               USB_STOR_PRINTF("bulk transferred with error %X, but data ok\n", us->pusb_dev->status);
+                                               USB_STOR_PRINTF("bulk transferred with error %lX, but data ok\n", us->pusb_dev->status);
                                                return 0;
                                        }
                                        else
@@ -383,12 +386,12 @@ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length)
                                }
                                USB_STOR_PRINTF("bulk transferred with error");
                                if (this_xfer == partial) {
-                                       USB_STOR_PRINTF(" %d, but data ok\n",
+                                       USB_STOR_PRINTF(" %ld, but data ok\n",
                                                        us->pusb_dev->status);
                                        return 0;
                                }
                                /* if our try counter reaches 0, bail out */
-                                       USB_STOR_PRINTF(" %d, data %d\n",
+                                       USB_STOR_PRINTF(" %ld, data %d\n",
                                                us->pusb_dev->status, partial);
                                if (!maxtry--)
                                                return result;
@@ -435,20 +438,20 @@ static int usb_stor_BBB_reset(struct us_data *us)
        }
 
        /* long wait for reset */
-       wait_ms(150);
-       USB_STOR_PRINTF("BBB_reset result %d: status %X reset\n", result,
+       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);
-       USB_STOR_PRINTF("BBB_reset result %d: status %X clearing IN endpoint\n",
+       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);
-       USB_STOR_PRINTF("BBB_reset result %d: status %X"
+       mdelay(150);
+       USB_STOR_PRINTF("BBB_reset result %d: status %lX"
                        " clearing OUT endpoint\n", result,
                        us->pusb_dev->status);
        USB_STOR_PRINTF("BBB_reset done\n");
@@ -475,8 +478,8 @@ static int usb_stor_CB_reset(struct us_data *us)
                                 USB_CNTL_TIMEOUT * 5);
 
        /* long wait for reset */
-       wait_ms(1500);
-       USB_STOR_PRINTF("CB_reset result %d: status %X"
+       mdelay(1500);
+       USB_STOR_PRINTF("CB_reset result %d: status %lX"
                        " clearing endpoint halt\n", result,
                        us->pusb_dev->status);
        usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in));
@@ -567,7 +570,7 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
                                         srb->cmd, srb->cmdlen,
                                         USB_CNTL_TIMEOUT * 5);
                USB_STOR_PRINTF("CB_transport: control msg returned %d,"
-                               " status %X\n", result, us->pusb_dev->status);
+                               " status %lX\n", result, us->pusb_dev->status);
                /* check the return code for the command */
                if (result < 0) {
                        if (us->pusb_dev->status & USB_ST_STALLED) {
@@ -579,7 +582,7 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us)
                                us->pusb_dev->status = status;
                        }
                        USB_STOR_PRINTF(" error during command %02X"
-                                       " Stat = %X\n", srb->cmd[0],
+                                       " Stat = %lX\n", srb->cmd[0],
                                        us->pusb_dev->status);
                        return result;
                }
@@ -618,7 +621,7 @@ int usb_stor_CBI_get_status(ccb *srb, struct us_data *us)
        while (timeout--) {
                if ((volatile int *) us->ip_wanted == 0)
                        break;
-               wait_ms(10);
+               mdelay(10);
        }
        if (us->ip_wanted) {
                printf("        Did not get interrupt on CBI\n");
@@ -689,7 +692,7 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us)
                usb_stor_BBB_reset(us);
                return USB_STOR_TRANSPORT_FAILED;
        }
-       wait_ms(5);
+       mdelay(5);
        pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in);
        pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out);
        /* DATA phase + error handling */
@@ -776,7 +779,7 @@ again:
                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",
+               USB_STOR_PRINTF("transferred %dB instead of %ldB\n",
                        data_actlen, srb->datalen);
                return USB_STOR_TRANSPORT_FAILED;
        } else if (csw.bCSWStatus == CSWSTATUS_FAILED) {
@@ -801,7 +804,7 @@ int usb_stor_CB_transport(ccb *srb, struct us_data *us)
        /* issue the command */
 do_retry:
        result = usb_stor_CB_comdat(srb, us);
-       USB_STOR_PRINTF("command / Data returned %d, status %X\n",
+       USB_STOR_PRINTF("command / Data returned %d, status %lX\n",
                        result, us->pusb_dev->status);
        /* if this is an CBI Protocol, get IRQ */
        if (us->protocol == US_PR_CBI) {
@@ -824,7 +827,7 @@ do_retry:
        /* do we have to issue an auto request? */
        /* HERE we have to check the result */
        if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) {
-               USB_STOR_PRINTF("ERROR %X\n", us->pusb_dev->status);
+               USB_STOR_PRINTF("ERROR %lX\n", us->pusb_dev->status);
                us->transport_reset(us);
                return USB_STOR_TRANSPORT_ERROR;
        }
@@ -851,7 +854,7 @@ do_retry:
                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",
+               USB_STOR_PRINTF(" AUTO REQUEST ERROR %ld\n",
                                us->pusb_dev->status);
                return USB_STOR_TRANSPORT_ERROR;
        }
@@ -881,7 +884,7 @@ do_retry:
                                srb->sense_buf[12], srb->sense_buf[13]);
                        return USB_STOR_TRANSPORT_FAILED;
                } else {
-                       wait_ms(100);
+                       mdelay(100);
                        goto do_retry;
                }
                break;
@@ -957,7 +960,7 @@ 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);
+               mdelay(100);
        } while (retries--);
 
        return -1;
@@ -1039,14 +1042,13 @@ static void usb_bin_fixup(struct usb_device_descriptor descriptor,
 }
 #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)
 {
        unsigned long start, blks, buf_addr;
        unsigned short smallblks;
        struct usb_device *dev;
+       struct us_data *ss;
        int retry, i;
        ccb *srb = &usb_ccb;
 
@@ -1064,13 +1066,14 @@ unsigned long usb_stor_read(int device, unsigned long blknr,
                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)) {
+       if (usb_test_unit_ready(srb, ss)) {
                printf("Device NOT ready\n   Request Sense returned %02X %02X"
                       " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
                       srb->sense_buf[13]);
@@ -1084,19 +1087,18 @@ unsigned long usb_stor_read(int device, unsigned long blknr,
                /* 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 > ss->max_xfer_blk)
+                       smallblks = ss->max_xfer_blk;
                else
                        smallblks = (unsigned short) blks;
 retry_it:
-               if (smallblks == USB_MAX_READ_BLK)
+               if (smallblks == ss->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;
@@ -1111,19 +1113,18 @@ retry_it:
                        start, smallblks, buf_addr);
 
        usb_disable_asynch(0); /* asynch transfer allowed */
-       if (blkcnt >= USB_MAX_READ_BLK)
+       if (blkcnt >= ss->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)
 {
        unsigned long start, blks, buf_addr;
        unsigned short smallblks;
        struct usb_device *dev;
+       struct us_data *ss;
        int retry, i;
        ccb *srb = &usb_ccb;
 
@@ -1141,6 +1142,7 @@ unsigned long usb_stor_write(int device, unsigned long blknr,
                if (dev->devnum == usb_dev_desc[device].target)
                        break;
        }
+       ss = (struct us_data *)dev->privptr;
 
        usb_disable_asynch(1); /* asynch transfer not allowed */
 
@@ -1148,7 +1150,7 @@ unsigned long usb_stor_write(int device, unsigned long blknr,
        buf_addr = (unsigned long)buffer;
        start = blknr;
        blks = blkcnt;
-       if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) {
+       if (usb_test_unit_ready(srb, ss)) {
                printf("Device NOT ready\n   Request Sense returned %02X %02X"
                       " %02X\n", srb->sense_buf[2], srb->sense_buf[12],
                        srb->sense_buf[13]);
@@ -1164,19 +1166,18 @@ unsigned long usb_stor_write(int device, unsigned long blknr,
                 */
                retry = 2;
                srb->pdata = (unsigned char *)buf_addr;
-               if (blks > USB_MAX_WRITE_BLK)
-                       smallblks = USB_MAX_WRITE_BLK;
+               if (blks > ss->max_xfer_blk)
+                       smallblks = ss->max_xfer_blk;
                else
                        smallblks = (unsigned short) blks;
 retry_it:
-               if (smallblks == USB_MAX_WRITE_BLK)
+               if (smallblks == ss->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;
@@ -1191,7 +1192,7 @@ retry_it:
                        start, smallblks, buf_addr);
 
        usb_disable_asynch(0); /* asynch transfer allowed */
-       if (blkcnt >= USB_MAX_WRITE_BLK)
+       if (blkcnt >= ss->max_xfer_blk)
                debug("\n");
        return blkcnt;
 
@@ -1346,31 +1347,6 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
        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)
-           ||
-           /* SanDisk Corporation Cruzer Micro 20044318410546613953 */
-           (dev->descriptor.idVendor == 0x0781 &&
-            dev->descriptor.idProduct == 0x5151)
-           ||
-           /*
-            * SanDisk Corporation U3 Cruzer Micro 1/4GB
-            * Flash Drive 000016244373FFB4
-            */
-           (dev->descriptor.idVendor == 0x0781 &&
-            dev->descriptor.idProduct == 0x5406)
-           )
-               USB_STOR_PRINTF("usb_stor_get_info: skipping RESET..\n");
-       else
-               ss->transport_reset(ss);
-
        pccb->pdata = usb_stor_buf;
 
        dev_desc->target = dev->devnum;
@@ -1442,6 +1418,12 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
        USB_STOR_PRINTF(" address %d\n", dev_desc->target);
        USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type);
 
+       /*
+        * The U-Boot EHCI driver cannot handle more than 4096 * 5 bytes in a
+        * transfer without running itself out of qt_buffers.
+        */
+       ss->max_xfer_blk = (4096 * 5) / dev_desc->blksz;
+
        init_part(dev_desc);
 
        USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type);