X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fusb_storage.c;h=2d92ee1bb3e95c5af8e6cc66ddcfa1c4aa61bac8;hb=07235ef8a377937f3ddc71b2bd259658c8c40c6b;hp=bdc306f587fd9b73b60220d2b49e1151bbf9b4bd;hpb=1b4bd0e66cd3b5124669c78bc968510b1040e9d9;p=u-boot diff --git a/common/usb_storage.c b/common/usb_storage.c index bdc306f587..2d92ee1bb3 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -136,6 +136,7 @@ struct us_data { 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 ....... */ @@ -155,11 +156,16 @@ struct us_data { trans_cmnd transport; /* transport routine */ }; +#ifdef CONFIG_USB_EHCI /* - * The U-Boot EHCI driver cannot handle more than 5 page aligned buffers - * of 4096 bytes in a transfer without running itself out of qt_buffers + * 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(start, blksz) (((4096 * 5) - (start % 4096)) / blksz) +#define USB_MAX_XFER_BLK 65535 +#else +#define USB_MAX_XFER_BLK 20 +#endif static struct us_data usb_stor[USB_MAX_STOR_DEV]; @@ -173,9 +179,9 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *us, 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); @@ -186,7 +192,7 @@ block_dev_desc_t *usb_stor_get_dev(int index) } #endif -void usb_show_progress(void) +static void usb_show_progress(void) { debug("."); } @@ -238,7 +244,7 @@ int usb_stor_scan(int mode) struct usb_device *dev; if (mode == 1) - printf(" scanning bus for storage devices... "); + printf(" scanning usb for storage devices... "); usb_disable_asynch(1); /* asynch transfer not allowed */ @@ -431,7 +437,7 @@ static int usb_stor_BBB_reset(struct us_data *us) 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"); @@ -494,7 +500,7 @@ static int usb_stor_CB_reset(struct us_data *us) * 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; @@ -542,7 +548,7 @@ int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) /* 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; @@ -611,7 +617,7 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us) } -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; @@ -620,7 +626,7 @@ int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) (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; mdelay(10); } @@ -659,18 +665,18 @@ int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) #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; @@ -693,7 +699,8 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } - mdelay(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 */ @@ -791,7 +798,7 @@ again: 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; @@ -958,8 +965,10 @@ static int usb_test_unit_ready(ccb *srb, struct us_data *ss) 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); mdelay(100); } while (retries--); @@ -1044,9 +1053,10 @@ static void usb_bin_fixup(struct usb_device_descriptor descriptor, #endif /* CONFIG_USB_BIN_FIXUP */ 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, max_xfer_blk; + lbaint_t start, blks; + uintptr_t buf_addr; unsigned short smallblks; struct usb_device *dev; struct us_data *ss; @@ -1074,28 +1084,20 @@ unsigned long usb_stor_read(int device, unsigned long blknr, buf_addr = (unsigned long)buffer; start = blknr; blks = blkcnt; - 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]); - 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; - max_xfer_blk = USB_MAX_XFER_BLK(buf_addr, - usb_dev_desc[device].blksz); - if (blks > max_xfer_blk) - smallblks = (unsigned short) max_xfer_blk; + if (blks > USB_MAX_XFER_BLK) + smallblks = USB_MAX_XFER_BLK; else smallblks = (unsigned short) blks; retry_it: - if (smallblks == max_xfer_blk) + if (smallblks == USB_MAX_XFER_BLK) usb_show_progress(); srb->datalen = usb_dev_desc[device].blksz * smallblks; srb->pdata = (unsigned char *)buf_addr; @@ -1111,20 +1113,23 @@ retry_it: 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 >= max_xfer_blk) + if (blkcnt >= USB_MAX_XFER_BLK) debug("\n"); return blkcnt; } 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, max_xfer_blk; + lbaint_t start, blks; + uintptr_t buf_addr; unsigned short smallblks; struct usb_device *dev; struct us_data *ss; @@ -1153,14 +1158,8 @@ 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, 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]); - 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 { @@ -1169,14 +1168,12 @@ unsigned long usb_stor_write(int device, unsigned long blknr, */ retry = 2; srb->pdata = (unsigned char *)buf_addr; - max_xfer_blk = USB_MAX_XFER_BLK(buf_addr, - usb_dev_desc[device].blksz); - if (blks > max_xfer_blk) - smallblks = (unsigned short) max_xfer_blk; + if (blks > USB_MAX_XFER_BLK) + smallblks = USB_MAX_XFER_BLK; else smallblks = (unsigned short) blks; retry_it: - if (smallblks == max_xfer_blk) + if (smallblks == USB_MAX_XFER_BLK) usb_show_progress(); srb->datalen = usb_dev_desc[device].blksz * smallblks; srb->pdata = (unsigned char *)buf_addr; @@ -1192,12 +1189,14 @@ retry_it: 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 >= max_xfer_blk) + if (blkcnt >= USB_MAX_XFER_BLK) debug("\n"); return blkcnt; @@ -1403,6 +1402,7 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, 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