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common/usb_storage.c
42.1 KB
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/* |
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* 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 |
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* Driver model conversion: * (C) Copyright 2015 Google, Inc |
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* |
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* For BBB support (C) Copyright 2003 |
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* Gary Jennejohn, DENX Software Engineering <garyj@denx.de> |
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* |
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* BBB support based on /sys/dev/usb/umass.c from |
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* FreeBSD. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ /* Note: * Currently only the CBI transport protocoll has been implemented, and it * is only tested with a TEAC USB Floppy. Other Massstorages with CBI or CB * transport protocoll may work as well. */ |
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/* * New Note: * Support for USB Mass Storage Devices (BBB) has been added. It has * only been tested with USB memory sticks. |
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*/ |
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#include <common.h> #include <command.h> |
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#include <dm.h> |
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#include <errno.h> |
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#include <inttypes.h> |
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#include <mapmem.h> |
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#include <memalign.h> |
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#include <asm/byteorder.h> |
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#include <asm/processor.h> |
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#include <dm/device-internal.h> |
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#include <dm/lists.h> |
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#include <part.h> |
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#include <usb.h> |
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#undef BBB_COMDAT_TRACE #undef BBB_XPORT_TRACE |
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#include <scsi.h> /* direction table -- this indicates the direction of the data * transfer for each command code -- a 1 indicates input */ |
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static const unsigned char us_direction[256/8] = { |
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0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77, 0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) |
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static struct scsi_cmd usb_ccb __aligned(ARCH_DMA_MINALIGN); |
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static __u32 CBWTag; |
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static int usb_max_devs; /* number of highest available usb device */ |
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#ifndef CONFIG_BLK |
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static struct blk_desc usb_dev_desc[USB_MAX_STOR_DEV]; |
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#endif |
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struct us_data; |
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typedef int (*trans_cmnd)(struct scsi_cmd *cb, struct us_data *data); |
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typedef int (*trans_reset)(struct us_data *data); |
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struct us_data { |
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struct usb_device *pusb_dev; /* this usb_device */ unsigned int flags; /* from filter initially */ |
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# define USB_READY (1 << 0) |
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unsigned char ifnum; /* interface number */ unsigned char ep_in; /* in endpoint */ unsigned char ep_out; /* out ....... */ unsigned char ep_int; /* interrupt . */ unsigned char subclass; /* as in overview */ unsigned char protocol; /* .............. */ 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 */ |
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struct scsi_cmd *srb; /* current srb */ |
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trans_reset transport_reset; /* reset routine */ trans_cmnd transport; /* transport routine */ |
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unsigned short max_xfer_blk; /* maximum transfer blocks */ |
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}; |
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#ifndef CONFIG_BLK |
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static struct us_data usb_stor[USB_MAX_STOR_DEV]; |
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#endif |
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#define USB_STOR_TRANSPORT_GOOD 0 |
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#define USB_STOR_TRANSPORT_FAILED -1 #define USB_STOR_TRANSPORT_ERROR -2 |
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int usb_stor_get_info(struct usb_device *dev, struct us_data *us, |
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struct blk_desc *dev_desc); |
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int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, struct us_data *ss); |
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#ifdef CONFIG_BLK static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, void *buffer); static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, const void *buffer); #else |
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static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
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lbaint_t blkcnt, void *buffer); |
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static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
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lbaint_t blkcnt, const void *buffer); |
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#endif |
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void uhci_show_temp_int_td(void); |
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static void usb_show_progress(void) |
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{ |
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debug("."); |
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} |
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/******************************************************************************* |
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* show info on storage devices; 'usb start/init' must be invoked earlier * as we only retrieve structures populated during devices initialization */ |
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int usb_stor_info(void) |
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{ |
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int count = 0; |
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#ifdef CONFIG_BLK struct udevice *dev; for (blk_first_device(IF_TYPE_USB, &dev); dev; blk_next_device(&dev)) { struct blk_desc *desc = dev_get_uclass_platdata(dev); printf(" Device %d: ", desc->devnum); dev_print(desc); count++; } #else |
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int i; |
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if (usb_max_devs > 0) { |
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for (i = 0; i < usb_max_devs; i++) { |
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printf(" Device %d: ", i); |
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dev_print(&usb_dev_desc[i]); } |
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return 0; |
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} |
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#endif |
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if (!count) { printf("No storage devices, perhaps not 'usb start'ed..? "); return 1; } |
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return 0; |
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} |
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static unsigned int usb_get_max_lun(struct us_data *us) { int len; |
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ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); |
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len = usb_control_msg(us->pusb_dev, usb_rcvctrlpipe(us->pusb_dev, 0), US_BBB_GET_MAX_LUN, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, 0, us->ifnum, |
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result, sizeof(char), |
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USB_CNTL_TIMEOUT * 5); |
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debug("Get Max LUN -> len = %i, result = %i ", len, (int) *result); |
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return (len > 0) ? *result : 0; |
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} |
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static int usb_stor_probe_device(struct usb_device *udev) |
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{ |
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int lun, max_lun; |
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#ifdef CONFIG_BLK struct us_data *data; |
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int ret; #else |
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int start; if (udev == NULL) |
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return -ENOENT; /* no more devices available */ |
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#endif debug(" Probing for storage "); #ifdef CONFIG_BLK /* * We store the us_data in the mass storage device's platdata. It * is shared by all LUNs (block devices) attached to this mass storage * device. */ data = dev_get_platdata(udev->dev); if (!usb_storage_probe(udev, 0, data)) return 0; max_lun = usb_get_max_lun(data); for (lun = 0; lun <= max_lun; lun++) { struct blk_desc *blkdev; struct udevice *dev; |
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char str[10]; |
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snprintf(str, sizeof(str), "lun%d", lun); ret = blk_create_devicef(udev->dev, "usb_storage_blk", str, IF_TYPE_USB, usb_max_devs, 512, 0, &dev); |
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if (ret) { debug("Cannot bind driver "); return ret; } blkdev = dev_get_uclass_platdata(dev); blkdev->target = 0xff; blkdev->lun = lun; |
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ret = usb_stor_get_info(udev, data, blkdev); if (ret == 1) ret = blk_prepare_device(dev); if (!ret) { usb_max_devs++; debug("%s: Found device %p ", __func__, udev); } else { debug("usb_stor_get_info: Invalid device "); ret = device_unbind(dev); if (ret) return ret; } } #else |
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/* We don't have space to even probe if we hit the maximum */ if (usb_max_devs == USB_MAX_STOR_DEV) { printf("max USB Storage Device reached: %d stopping ", usb_max_devs); return -ENOSPC; } |
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if (!usb_storage_probe(udev, 0, &usb_stor[usb_max_devs])) return 0; /* * OK, it's a storage device. Iterate over its LUNs and populate * usb_dev_desc' */ start = usb_max_devs; max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]); for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; lun++) { struct blk_desc *blkdev; blkdev = &usb_dev_desc[usb_max_devs]; memset(blkdev, '\0', sizeof(struct blk_desc)); blkdev->if_type = IF_TYPE_USB; blkdev->devnum = usb_max_devs; blkdev->part_type = PART_TYPE_UNKNOWN; blkdev->target = 0xff; blkdev->type = DEV_TYPE_UNKNOWN; blkdev->block_read = usb_stor_read; blkdev->block_write = usb_stor_write; blkdev->lun = lun; blkdev->priv = udev; if (usb_stor_get_info(udev, &usb_stor[start], &usb_dev_desc[usb_max_devs]) == 1) { |
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debug("partype: %d ", blkdev->part_type); part_init(blkdev); debug("partype: %d ", blkdev->part_type); |
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usb_max_devs++; debug("%s: Found device %p ", __func__, udev); |
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} } |
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#endif |
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return 0; } void usb_stor_reset(void) { usb_max_devs = 0; } |
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/******************************************************************************* |
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* scan the usb and reports device info |
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* to the user if mode = 1 * returns current device or -1 if no */ int usb_stor_scan(int mode) { |
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if (mode == 1) |
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printf(" scanning usb for storage devices... "); |
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#ifndef CONFIG_DM_USB unsigned char i; |
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usb_disable_asynch(1); /* asynch transfer not allowed */ |
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usb_stor_reset(); |
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for (i = 0; i < USB_MAX_DEVICE; i++) { |
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struct usb_device *dev; |
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dev = usb_get_dev_index(i); /* get device */ |
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debug("i=%d ", i); |
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if (usb_stor_probe_device(dev)) |
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break; |
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} /* for */ |
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usb_disable_asynch(0); /* asynch transfer allowed */ |
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#endif |
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printf("%d Storage Device(s) found ", usb_max_devs); |
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if (usb_max_devs > 0) |
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return 0; |
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return -1; |
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} static int usb_stor_irq(struct usb_device *dev) { struct us_data *us; |
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us = (struct us_data *)dev->privptr; |
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if (us->ip_wanted) us->ip_wanted = 0; |
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return 0; } |
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#ifdef DEBUG |
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static void usb_show_srb(struct scsi_cmd *pccb) |
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{ int i; |
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printf("SRB: len %d datalen 0x%lX ", pccb->cmdlen, pccb->datalen); for (i = 0; i < 12; i++) printf("%02X ", pccb->cmd[i]); |
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printf(" "); } static void display_int_status(unsigned long tmp) { printf("Status: %s %s %s %s %s %s %s ", (tmp & USB_ST_ACTIVE) ? "Active" : "", (tmp & USB_ST_STALLED) ? "Stalled" : "", (tmp & USB_ST_BUF_ERR) ? "Buffer Error" : "", (tmp & USB_ST_BABBLE_DET) ? "Babble Det" : "", (tmp & USB_ST_NAK_REC) ? "NAKed" : "", (tmp & USB_ST_CRC_ERR) ? "CRC Error" : "", (tmp & USB_ST_BIT_ERR) ? "Bitstuff Error" : ""); } #endif /*********************************************************************** * Data transfer routines ***********************************************************************/ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) { int max_size; int this_xfer; int result; int partial; int maxtry; int stat; /* determine the maximum packet size for these transfers */ max_size = usb_maxpacket(us->pusb_dev, pipe) * 16; /* while we have data left to transfer */ while (length) { /* calculate how long this will be -- maximum or a remainder */ this_xfer = length > max_size ? max_size : length; length -= this_xfer; /* setup the retry counter */ maxtry = 10; /* set up the transfer loop */ do { /* transfer the data */ |
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debug("Bulk xfer 0x%lx(%d) try #%d ", (ulong)map_to_sysmem(buf), this_xfer, 11 - maxtry); |
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result = usb_bulk_msg(us->pusb_dev, pipe, buf, |
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this_xfer, &partial, USB_CNTL_TIMEOUT * 5); |
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debug("bulk_msg returned %d xferred %d/%d ", result, partial, this_xfer); |
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if (us->pusb_dev->status != 0) { /* if we stall, we need to clear it before * we go on */ |
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#ifdef DEBUG |
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display_int_status(us->pusb_dev->status); #endif if (us->pusb_dev->status & USB_ST_STALLED) { |
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debug("stalled ->clearing endpoint" \ "halt for pipe 0x%x ", pipe); |
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stat = us->pusb_dev->status; usb_clear_halt(us->pusb_dev, pipe); |
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us->pusb_dev->status = stat; if (this_xfer == partial) { |
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debug("bulk transferred" \ "with error %lX," \ " but data ok ", us->pusb_dev->status); |
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return 0; } else return result; } if (us->pusb_dev->status & USB_ST_NAK_REC) { |
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debug("Device NAKed bulk_msg "); |
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return result; } |
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debug("bulk transferred with error"); |
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if (this_xfer == partial) { |
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debug(" %ld, but data ok ", us->pusb_dev->status); |
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return 0; } /* if our try counter reaches 0, bail out */ |
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debug(" %ld, data %d ", us->pusb_dev->status, partial); |
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if (!maxtry--) return result; } /* update to show what data was transferred */ this_xfer -= partial; buf += partial; /* continue until this transfer is done */ |
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} while (this_xfer); |
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} /* if we get here, we're done and successful */ return 0; } |
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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. */ |
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debug("BBB_reset "); |
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result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), US_BBB_RESET, USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
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0, us->ifnum, NULL, 0, USB_CNTL_TIMEOUT * 5); |
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if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
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debug("RESET:stall "); |
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return -1; } |
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/* long wait for reset */ |
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mdelay(150); |
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debug("BBB_reset result %d: status %lX reset ", result, us->pusb_dev->status); |
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pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); result = usb_clear_halt(us->pusb_dev, pipe); /* long wait for reset */ |
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mdelay(150); |
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debug("BBB_reset result %d: status %lX clearing IN endpoint ", result, us->pusb_dev->status); |
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/* long wait for reset */ pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); result = usb_clear_halt(us->pusb_dev, pipe); |
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mdelay(150); |
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debug("BBB_reset result %d: status %lX clearing OUT endpoint ", result, us->pusb_dev->status); debug("BBB_reset done "); |
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return 0; } |
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/* 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 */ static int usb_stor_CB_reset(struct us_data *us) { unsigned char cmd[12]; int result; |
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debug("CB_reset "); |
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memset(cmd, 0xff, sizeof(cmd)); |
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cmd[0] = SCSI_SEND_DIAG; cmd[1] = 4; |
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|
523 524 525 526 527 |
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, us->ifnum, cmd, sizeof(cmd), USB_CNTL_TIMEOUT * 5); |
affae2bff
|
528 529 |
/* long wait for reset */ |
5b84dd67c
|
530 |
mdelay(1500); |
ceb4972a8
|
531 532 533 |
debug("CB_reset result %d: status %lX clearing endpoint halt ", result, us->pusb_dev->status); |
affae2bff
|
534 535 |
usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_in)); usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); |
ceb4972a8
|
536 537 |
debug("CB_reset done "); |
affae2bff
|
538 539 |
return 0; } |
149dded2b
|
540 541 542 543 |
/* * Set up the command for a BBB device. Note that the actual SCSI * command is copied into cbw.CBWCDB. */ |
b9560ad64
|
544 |
static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us) |
149dded2b
|
545 546 547 548 549 |
{ int result; int actlen; int dir_in; unsigned int pipe; |
2e17c87eb
|
550 |
ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); |
149dded2b
|
551 552 553 554 |
dir_in = US_DIRECTION(srb->cmd[0]); #ifdef BBB_COMDAT_TRACE |
605bd75af
|
555 556 |
printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p ", |
a0cb3fc31
|
557 558 |
dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, srb->pdata); |
149dded2b
|
559 |
if (srb->cmdlen) { |
a0cb3fc31
|
560 |
for (result = 0; result < srb->cmdlen; result++) |
149dded2b
|
561 562 563 564 565 566 567 |
printf("cmd[%d] %#x ", result, srb->cmd[result]); printf(" "); } #endif /* sanity checks */ if (!(srb->cmdlen <= CBWCDBLENGTH)) { |
ceb4972a8
|
568 569 |
debug("usb_stor_BBB_comdat:cmdlen too large "); |
149dded2b
|
570 571 572 573 574 |
return -1; } /* always OUT to the ep */ pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); |
f57661394
|
575 576 577 578 579 580 |
cbw->dCBWSignature = cpu_to_le32(CBWSIGNATURE); cbw->dCBWTag = cpu_to_le32(CBWTag++); cbw->dCBWDataTransferLength = cpu_to_le32(srb->datalen); cbw->bCBWFlags = (dir_in ? CBWFLAGS_IN : CBWFLAGS_OUT); cbw->bCBWLUN = srb->lun; cbw->bCDBLength = srb->cmdlen; |
149dded2b
|
581 582 |
/* copy the command data into the CBW command data buffer */ /* DST SRC LEN!!! */ |
f65708713
|
583 |
|
f57661394
|
584 585 |
memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, |
a0cb3fc31
|
586 |
&actlen, USB_CNTL_TIMEOUT * 5); |
149dded2b
|
587 |
if (result < 0) |
ceb4972a8
|
588 589 |
debug("usb_stor_BBB_comdat:usb_bulk_msg error "); |
149dded2b
|
590 591 |
return result; } |
affae2bff
|
592 593 594 |
/* FIXME: we also need a CBI_command which sets up the completion * interrupt, and waits for it */ |
b9560ad64
|
595 |
static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us) |
affae2bff
|
596 |
{ |
77ddac948
|
597 |
int result = 0; |
a0cb3fc31
|
598 |
int dir_in, retry; |
affae2bff
|
599 600 |
unsigned int pipe; unsigned long status; |
a0cb3fc31
|
601 602 |
retry = 5; dir_in = US_DIRECTION(srb->cmd[0]); |
affae2bff
|
603 |
|
a0cb3fc31
|
604 605 606 607 608 609 |
if (dir_in) pipe = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); else pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); while (retry--) { |
ceb4972a8
|
610 611 612 |
debug("CBI gets a command: Try %d ", 5 - retry); #ifdef DEBUG |
affae2bff
|
613 614 615 |
usb_show_srb(srb); #endif /* let's send the command via the control pipe */ |
a0cb3fc31
|
616 617 618 619 |
result = usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev , 0), US_CBI_ADSC, USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
affae2bff
|
620 |
0, us->ifnum, |
a0cb3fc31
|
621 622 |
srb->cmd, srb->cmdlen, USB_CNTL_TIMEOUT * 5); |
ceb4972a8
|
623 624 625 |
debug("CB_transport: control msg returned %d, status %lX ", result, us->pusb_dev->status); |
affae2bff
|
626 627 |
/* check the return code for the command */ if (result < 0) { |
a0cb3fc31
|
628 629 |
if (us->pusb_dev->status & USB_ST_STALLED) { status = us->pusb_dev->status; |
ceb4972a8
|
630 631 632 |
debug(" stall during command found," \ " clear pipe "); |
a0cb3fc31
|
633 634 635 |
usb_clear_halt(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0)); us->pusb_dev->status = status; |
affae2bff
|
636 |
} |
ceb4972a8
|
637 638 639 640 |
debug(" error during command %02X" \ " Stat = %lX ", srb->cmd[0], us->pusb_dev->status); |
affae2bff
|
641 642 643 |
return result; } /* transfer the data payload for this command, if one exists*/ |
ceb4972a8
|
644 645 646 647 |
debug("CB_transport: control msg returned %d," \ " direction is %s to go 0x%lx ", result, dir_in ? "IN" : "OUT", srb->datalen); |
affae2bff
|
648 |
if (srb->datalen) { |
a0cb3fc31
|
649 650 |
result = us_one_transfer(us, pipe, (char *)srb->pdata, srb->datalen); |
ceb4972a8
|
651 652 653 654 655 |
debug("CBI attempted to transfer data," \ " result is %d status %lX, len %d ", result, us->pusb_dev->status, us->pusb_dev->act_len); |
a0cb3fc31
|
656 |
if (!(us->pusb_dev->status & USB_ST_NAK_REC)) |
affae2bff
|
657 658 659 660 661 662 663 664 665 |
break; } /* if (srb->datalen) */ else break; } /* return result */ return result; } |
b9560ad64
|
666 |
static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us) |
affae2bff
|
667 668 |
{ int timeout; |
80885a9d5
|
669 |
us->ip_wanted = 1; |
a0cb3fc31
|
670 |
submit_int_msg(us->pusb_dev, us->irqpipe, |
80885a9d5
|
671 672 673 |
(void *) &us->ip_data, us->irqmaxp, us->irqinterval); timeout = 1000; while (timeout--) { |
f65708713
|
674 |
if (us->ip_wanted == 0) |
affae2bff
|
675 |
break; |
5b84dd67c
|
676 |
mdelay(10); |
affae2bff
|
677 678 |
} if (us->ip_wanted) { |
a0cb3fc31
|
679 680 |
printf(" Did not get interrupt on CBI "); |
affae2bff
|
681 682 683 |
us->ip_wanted = 0; return USB_STOR_TRANSPORT_ERROR; } |
a6f70a3d1
|
684 685 |
debug("Got interrupt data 0x%x, transferred %d status 0x%lX ", |
ceb4972a8
|
686 687 |
us->ip_data, us->pusb_dev->irq_act_len, us->pusb_dev->irq_status); |
affae2bff
|
688 689 690 691 692 |
/* 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 */ |
80885a9d5
|
693 694 |
else if (us->ip_data) return USB_STOR_TRANSPORT_FAILED; |
affae2bff
|
695 |
else |
80885a9d5
|
696 |
return USB_STOR_TRANSPORT_GOOD; |
affae2bff
|
697 698 699 |
} /* otherwise, we interpret the data normally */ switch (us->ip_data) { |
80885a9d5
|
700 701 702 703 704 705 706 |
case 0x0001: return USB_STOR_TRANSPORT_GOOD; case 0x0002: return USB_STOR_TRANSPORT_FAILED; default: return USB_STOR_TRANSPORT_ERROR; } /* switch */ |
affae2bff
|
707 708 709 710 711 |
return USB_STOR_TRANSPORT_ERROR; } #define USB_TRANSPORT_UNKNOWN_RETRY 5 #define USB_TRANSPORT_NOT_READY_RETRY 10 |
149dded2b
|
712 |
/* clear a stall on an endpoint - special for BBB devices */ |
199adb601
|
713 |
static int usb_stor_BBB_clear_endpt_stall(struct us_data *us, __u8 endpt) |
149dded2b
|
714 |
{ |
149dded2b
|
715 |
/* ENDPOINT_HALT = 0, so set value to 0 */ |
8319aeb1d
|
716 717 718 |
return usb_control_msg(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0), USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, endpt, NULL, 0, USB_CNTL_TIMEOUT * 5); |
149dded2b
|
719 |
} |
b9560ad64
|
720 |
static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us) |
149dded2b
|
721 722 723 724 725 |
{ int result, retry; int dir_in; int actlen, data_actlen; unsigned int pipe, pipein, pipeout; |
2e17c87eb
|
726 |
ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); |
149dded2b
|
727 728 729 730 731 732 733 734 |
#ifdef BBB_XPORT_TRACE unsigned char *ptr; int index; #endif dir_in = US_DIRECTION(srb->cmd[0]); /* COMMAND phase */ |
ceb4972a8
|
735 736 |
debug("COMMAND phase "); |
149dded2b
|
737 738 |
result = usb_stor_BBB_comdat(srb, us); if (result < 0) { |
ceb4972a8
|
739 740 741 |
debug("failed to send CBW status %ld ", us->pusb_dev->status); |
149dded2b
|
742 743 744 |
usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } |
3e8581bb9
|
745 746 |
if (!(us->flags & USB_READY)) mdelay(5); |
149dded2b
|
747 748 749 |
pipein = usb_rcvbulkpipe(us->pusb_dev, us->ep_in); pipeout = usb_sndbulkpipe(us->pusb_dev, us->ep_out); /* DATA phase + error handling */ |
149dded2b
|
750 751 752 753 |
data_actlen = 0; /* no data, go immediately to the STATUS phase */ if (srb->datalen == 0) goto st; |
ceb4972a8
|
754 755 |
debug("DATA phase "); |
149dded2b
|
756 757 758 759 |
if (dir_in) pipe = pipein; else pipe = pipeout; |
f65708713
|
760 |
|
a0cb3fc31
|
761 762 |
result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, &data_actlen, USB_CNTL_TIMEOUT * 5); |
149dded2b
|
763 |
/* special handling of STALL in DATA phase */ |
a0cb3fc31
|
764 |
if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a8
|
765 766 |
debug("DATA:stall "); |
149dded2b
|
767 |
/* clear the STALL on the endpoint */ |
a0cb3fc31
|
768 769 |
result = usb_stor_BBB_clear_endpt_stall(us, dir_in ? us->ep_in : us->ep_out); |
149dded2b
|
770 771 772 773 774 |
if (result >= 0) /* continue on to STATUS phase */ goto st; } if (result < 0) { |
ceb4972a8
|
775 776 777 |
debug("usb_bulk_msg error status %ld ", us->pusb_dev->status); |
149dded2b
|
778 779 780 781 782 783 784 785 786 787 |
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(" "); #endif /* STATUS phase + error handling */ |
a0cb3fc31
|
788 |
st: |
149dded2b
|
789 |
retry = 0; |
a0cb3fc31
|
790 |
again: |
ceb4972a8
|
791 792 |
debug("STATUS phase "); |
f57661394
|
793 |
result = usb_bulk_msg(us->pusb_dev, pipein, csw, UMASS_BBB_CSW_SIZE, |
9c998aa83
|
794 |
&actlen, USB_CNTL_TIMEOUT*5); |
149dded2b
|
795 |
/* special handling of STALL in STATUS phase */ |
a0cb3fc31
|
796 797 |
if ((result < 0) && (retry < 1) && (us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a8
|
798 799 |
debug("STATUS:stall "); |
149dded2b
|
800 801 802 803 804 805 806 |
/* 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) { |
ceb4972a8
|
807 808 809 |
debug("usb_bulk_msg error status %ld ", us->pusb_dev->status); |
149dded2b
|
810 811 812 813 |
usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } #ifdef BBB_XPORT_TRACE |
f57661394
|
814 |
ptr = (unsigned char *)csw; |
149dded2b
|
815 816 817 818 819 820 |
for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) printf("ptr[%d] %#x ", index, ptr[index]); printf(" "); #endif /* misuse pipe to get the residue */ |
f57661394
|
821 |
pipe = le32_to_cpu(csw->dCSWDataResidue); |
149dded2b
|
822 823 |
if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) pipe = srb->datalen - data_actlen; |
f57661394
|
824 |
if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { |
ceb4972a8
|
825 826 |
debug("!CSWSIGNATURE "); |
149dded2b
|
827 828 |
usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; |
f57661394
|
829 |
} else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { |
ceb4972a8
|
830 831 |
debug("!Tag "); |
149dded2b
|
832 833 |
usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; |
f57661394
|
834 |
} else if (csw->bCSWStatus > CSWSTATUS_PHASE) { |
ceb4972a8
|
835 836 |
debug(">PHASE "); |
149dded2b
|
837 838 |
usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; |
f57661394
|
839 |
} else if (csw->bCSWStatus == CSWSTATUS_PHASE) { |
ceb4972a8
|
840 841 |
debug("=PHASE "); |
149dded2b
|
842 843 844 |
usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } else if (data_actlen > srb->datalen) { |
ceb4972a8
|
845 846 847 |
debug("transferred %dB instead of %ldB ", data_actlen, srb->datalen); |
149dded2b
|
848 |
return USB_STOR_TRANSPORT_FAILED; |
f57661394
|
849 |
} else if (csw->bCSWStatus == CSWSTATUS_FAILED) { |
ceb4972a8
|
850 851 |
debug("FAILED "); |
149dded2b
|
852 853 854 855 856 |
return USB_STOR_TRANSPORT_FAILED; } return result; } |
b9560ad64
|
857 |
static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us) |
affae2bff
|
858 |
{ |
a0cb3fc31
|
859 |
int result, status; |
b9560ad64
|
860 861 |
struct scsi_cmd *psrb; struct scsi_cmd reqsrb; |
a0cb3fc31
|
862 |
int retry, notready; |
affae2bff
|
863 |
|
d0ff51ba5
|
864 |
psrb = &reqsrb; |
a0cb3fc31
|
865 866 867 |
status = USB_STOR_TRANSPORT_GOOD; retry = 0; notready = 0; |
affae2bff
|
868 869 |
/* issue the command */ do_retry: |
a0cb3fc31
|
870 |
result = usb_stor_CB_comdat(srb, us); |
ceb4972a8
|
871 872 873 |
debug("command / Data returned %d, status %lX ", result, us->pusb_dev->status); |
affae2bff
|
874 |
/* if this is an CBI Protocol, get IRQ */ |
a0cb3fc31
|
875 876 |
if (us->protocol == US_PR_CBI) { status = usb_stor_CBI_get_status(srb, us); |
affae2bff
|
877 |
/* if the status is error, report it */ |
a0cb3fc31
|
878 |
if (status == USB_STOR_TRANSPORT_ERROR) { |
ceb4972a8
|
879 880 |
debug(" USB CBI Command Error "); |
affae2bff
|
881 882 |
return status; } |
a0cb3fc31
|
883 884 885 886 887 |
srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); srb->sense_buf[13] = (unsigned char)(us->ip_data & 0xff); if (!us->ip_data) { /* if the status is good, report it */ if (status == USB_STOR_TRANSPORT_GOOD) { |
ceb4972a8
|
888 889 |
debug(" USB CBI Command Good "); |
affae2bff
|
890 891 892 893 894 895 |
return status; } } } /* do we have to issue an auto request? */ /* HERE we have to check the result */ |
a0cb3fc31
|
896 |
if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a8
|
897 898 |
debug("ERROR %lX ", us->pusb_dev->status); |
affae2bff
|
899 900 901 |
us->transport_reset(us); return USB_STOR_TRANSPORT_ERROR; } |
a0cb3fc31
|
902 903 904 905 |
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 */ |
ceb4972a8
|
906 907 |
debug("No auto request and good "); |
affae2bff
|
908 909 910 |
return USB_STOR_TRANSPORT_GOOD; } /* issue an request_sense */ |
a0cb3fc31
|
911 912 913 914 915 |
memset(&psrb->cmd[0], 0, 12); psrb->cmd[0] = SCSI_REQ_SENSE; psrb->cmd[1] = srb->lun << 5; psrb->cmd[4] = 18; psrb->datalen = 18; |
d0ff51ba5
|
916 |
psrb->pdata = &srb->sense_buf[0]; |
a0cb3fc31
|
917 |
psrb->cmdlen = 12; |
affae2bff
|
918 |
/* issue the command */ |
a0cb3fc31
|
919 |
result = usb_stor_CB_comdat(psrb, us); |
ceb4972a8
|
920 921 |
debug("auto request returned %d ", result); |
affae2bff
|
922 |
/* if this is an CBI Protocol, get IRQ */ |
a0cb3fc31
|
923 924 925 926 |
if (us->protocol == US_PR_CBI) status = usb_stor_CBI_get_status(psrb, us); if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { |
ceb4972a8
|
927 928 929 |
debug(" AUTO REQUEST ERROR %ld ", us->pusb_dev->status); |
affae2bff
|
930 931 |
return USB_STOR_TRANSPORT_ERROR; } |
ceb4972a8
|
932 933 934 935 |
debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X ", srb->sense_buf[0], srb->sense_buf[2], srb->sense_buf[12], srb->sense_buf[13]); |
affae2bff
|
936 |
/* Check the auto request result */ |
a0cb3fc31
|
937 938 939 940 |
if ((srb->sense_buf[2] == 0) && (srb->sense_buf[12] == 0) && (srb->sense_buf[13] == 0)) { /* ok, no sense */ |
affae2bff
|
941 |
return USB_STOR_TRANSPORT_GOOD; |
a0cb3fc31
|
942 |
} |
affae2bff
|
943 |
/* Check the auto request result */ |
a0cb3fc31
|
944 945 946 |
switch (srb->sense_buf[2]) { case 0x01: /* Recovered Error */ |
149dded2b
|
947 |
return USB_STOR_TRANSPORT_GOOD; |
80885a9d5
|
948 |
break; |
a0cb3fc31
|
949 950 951 952 953 954 955 956 |
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) ", srb->cmd[0], srb->sense_buf[0], srb->sense_buf[2], srb->sense_buf[12], srb->sense_buf[13]); |
149dded2b
|
957 958 |
return USB_STOR_TRANSPORT_FAILED; } else { |
5b84dd67c
|
959 |
mdelay(100); |
149dded2b
|
960 961 962 963 |
goto do_retry; } break; default: |
a0cb3fc31
|
964 965 966 967 968 969 |
if (retry++ > USB_TRANSPORT_UNKNOWN_RETRY) { printf("cmd 0x%02X returned 0x%02X 0x%02X 0x%02X" " 0x%02X ", srb->cmd[0], srb->sense_buf[0], srb->sense_buf[2], srb->sense_buf[12], srb->sense_buf[13]); |
149dded2b
|
970 |
return USB_STOR_TRANSPORT_FAILED; |
a0cb3fc31
|
971 |
} else |
149dded2b
|
972 |
goto do_retry; |
149dded2b
|
973 |
break; |
affae2bff
|
974 975 976 |
} return USB_STOR_TRANSPORT_FAILED; } |
ea7fad910
|
977 978 |
static void usb_stor_set_max_xfer_blk(struct usb_device *udev, struct us_data *us) |
6158d0b42
|
979 980 |
{ unsigned short blk; |
ea7fad910
|
981 982 |
size_t __maybe_unused size; int __maybe_unused ret; |
6158d0b42
|
983 |
|
ea7fad910
|
984 |
#ifndef CONFIG_DM_USB |
6158d0b42
|
985 986 987 988 989 990 991 992 993 994 |
#ifdef CONFIG_USB_EHCI_HCD /* * 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. */ blk = USHRT_MAX; #else blk = 20; #endif |
ea7fad910
|
995 996 997 998 999 1000 1001 |
#else ret = usb_get_max_xfer_size(udev, (size_t *)&size); if (ret < 0) { /* unimplemented, let's use default 20 */ blk = 20; } else { if (size > USHRT_MAX * 512) |
72ac8f3fc
|
1002 |
size = USHRT_MAX * 512; |
ea7fad910
|
1003 1004 1005 |
blk = size / 512; } #endif |
6158d0b42
|
1006 1007 1008 |
us->max_xfer_blk = blk; } |
affae2bff
|
1009 |
|
b9560ad64
|
1010 |
static int usb_inquiry(struct scsi_cmd *srb, struct us_data *ss) |
affae2bff
|
1011 |
{ |
a0cb3fc31
|
1012 1013 |
int retry, i; retry = 5; |
affae2bff
|
1014 |
do { |
a0cb3fc31
|
1015 1016 |
memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_INQUIRY; |
99e9ed1f4
|
1017 |
srb->cmd[1] = srb->lun << 5; |
a0cb3fc31
|
1018 1019 1020 1021 |
srb->cmd[4] = 36; srb->datalen = 36; srb->cmdlen = 12; i = ss->transport(srb, ss); |
ceb4972a8
|
1022 1023 |
debug("inquiry returns %d ", i); |
a0cb3fc31
|
1024 |
if (i == 0) |
affae2bff
|
1025 |
break; |
fac71cc49
|
1026 |
} while (--retry); |
149dded2b
|
1027 |
|
a0cb3fc31
|
1028 |
if (!retry) { |
affae2bff
|
1029 1030 1031 1032 1033 1034 |
printf("error in inquiry "); return -1; } return 0; } |
b9560ad64
|
1035 |
static int usb_request_sense(struct scsi_cmd *srb, struct us_data *ss) |
affae2bff
|
1036 1037 |
{ char *ptr; |
80885a9d5
|
1038 |
|
a0cb3fc31
|
1039 1040 1041 |
ptr = (char *)srb->pdata; memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_REQ_SENSE; |
99e9ed1f4
|
1042 |
srb->cmd[1] = srb->lun << 5; |
a0cb3fc31
|
1043 1044 |
srb->cmd[4] = 18; srb->datalen = 18; |
d0ff51ba5
|
1045 |
srb->pdata = &srb->sense_buf[0]; |
a0cb3fc31
|
1046 1047 |
srb->cmdlen = 12; ss->transport(srb, ss); |
ceb4972a8
|
1048 1049 1050 1051 |
debug("Request Sense returned %02X %02X %02X ", srb->sense_buf[2], srb->sense_buf[12], srb->sense_buf[13]); |
a0cb3fc31
|
1052 |
srb->pdata = (uchar *)ptr; |
affae2bff
|
1053 1054 |
return 0; } |
b9560ad64
|
1055 |
static int usb_test_unit_ready(struct scsi_cmd *srb, struct us_data *ss) |
affae2bff
|
1056 |
{ |
9c998aa83
|
1057 |
int retries = 10; |
149dded2b
|
1058 |
|
affae2bff
|
1059 |
do { |
a0cb3fc31
|
1060 1061 |
memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_TST_U_RDY; |
99e9ed1f4
|
1062 |
srb->cmd[1] = srb->lun << 5; |
a0cb3fc31
|
1063 1064 |
srb->datalen = 0; srb->cmdlen = 12; |
3e8581bb9
|
1065 1066 |
if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) { ss->flags |= USB_READY; |
affae2bff
|
1067 |
return 0; |
3e8581bb9
|
1068 |
} |
a0cb3fc31
|
1069 |
usb_request_sense(srb, ss); |
8b57e2f08
|
1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 |
/* * Check the Key Code Qualifier, if it matches * "Not Ready - medium not present" * (the sense Key equals 0x2 and the ASC is 0x3a) * return immediately as the medium being absent won't change * unless there is a user action. */ if ((srb->sense_buf[2] == 0x02) && (srb->sense_buf[12] == 0x3a)) return -1; |
5b84dd67c
|
1080 |
mdelay(100); |
a0cb3fc31
|
1081 |
} while (retries--); |
149dded2b
|
1082 |
|
affae2bff
|
1083 1084 |
return -1; } |
b9560ad64
|
1085 |
static int usb_read_capacity(struct scsi_cmd *srb, struct us_data *ss) |
affae2bff
|
1086 1087 |
{ int retry; |
a0cb3fc31
|
1088 1089 |
/* XXX retries */ retry = 3; |
affae2bff
|
1090 |
do { |
a0cb3fc31
|
1091 1092 |
memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_RD_CAPAC; |
99e9ed1f4
|
1093 |
srb->cmd[1] = srb->lun << 5; |
a0cb3fc31
|
1094 1095 1096 |
srb->datalen = 8; srb->cmdlen = 12; if (ss->transport(srb, ss) == USB_STOR_TRANSPORT_GOOD) |
affae2bff
|
1097 |
return 0; |
a0cb3fc31
|
1098 |
} while (retry--); |
149dded2b
|
1099 |
|
affae2bff
|
1100 1101 |
return -1; } |
b9560ad64
|
1102 1103 |
static int usb_read_10(struct scsi_cmd *srb, struct us_data *ss, unsigned long start, unsigned short blocks) |
affae2bff
|
1104 |
{ |
a0cb3fc31
|
1105 1106 |
memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_READ10; |
99e9ed1f4
|
1107 |
srb->cmd[1] = srb->lun << 5; |
a0cb3fc31
|
1108 1109 1110 1111 1112 1113 1114 |
srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; srb->cmd[5] = ((unsigned char) (start)) & 0xff; srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; srb->cmd[8] = (unsigned char) blocks & 0xff; srb->cmdlen = 12; |
ceb4972a8
|
1115 1116 |
debug("read10: start %lx blocks %x ", start, blocks); |
a0cb3fc31
|
1117 |
return ss->transport(srb, ss); |
affae2bff
|
1118 |
} |
b9560ad64
|
1119 1120 |
static int usb_write_10(struct scsi_cmd *srb, struct us_data *ss, unsigned long start, unsigned short blocks) |
127e10842
|
1121 1122 1123 |
{ memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_WRITE10; |
99e9ed1f4
|
1124 |
srb->cmd[1] = srb->lun << 5; |
127e10842
|
1125 1126 1127 1128 1129 1130 1131 |
srb->cmd[2] = ((unsigned char) (start >> 24)) & 0xff; srb->cmd[3] = ((unsigned char) (start >> 16)) & 0xff; srb->cmd[4] = ((unsigned char) (start >> 8)) & 0xff; srb->cmd[5] = ((unsigned char) (start)) & 0xff; srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; srb->cmd[8] = (unsigned char) blocks & 0xff; srb->cmdlen = 12; |
ceb4972a8
|
1132 1133 |
debug("write10: start %lx blocks %x ", start, blocks); |
127e10842
|
1134 1135 |
return ss->transport(srb, ss); } |
affae2bff
|
1136 |
|
ddde6b7cf
|
1137 1138 1139 1140 1141 1142 1143 1144 |
#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 |
4101f6879
|
1145 |
* struct blk_desc in include/part.h. |
ddde6b7cf
|
1146 1147 1148 1149 1150 1151 1152 |
*/ 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) { |
a0cb3fc31
|
1153 1154 1155 |
strncpy((char *)vendor, "SMSC", max_vendor_len); strncpy((char *)product, "Flash Media Cntrller", max_product_len); |
ddde6b7cf
|
1156 1157 1158 |
} } #endif /* CONFIG_USB_BIN_FIXUP */ |
07b2b78ce
|
1159 1160 1161 1162 |
#ifdef CONFIG_BLK static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, void *buffer) #else |
4101f6879
|
1163 |
static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6a
|
1164 |
lbaint_t blkcnt, void *buffer) |
07b2b78ce
|
1165 |
#endif |
affae2bff
|
1166 |
{ |
e81e79ede
|
1167 1168 |
lbaint_t start, blks; uintptr_t buf_addr; |
affae2bff
|
1169 |
unsigned short smallblks; |
9807c3b78
|
1170 |
struct usb_device *udev; |
5dd95cf93
|
1171 |
struct us_data *ss; |
84073b6f3
|
1172 |
int retry; |
b9560ad64
|
1173 |
struct scsi_cmd *srb = &usb_ccb; |
07b2b78ce
|
1174 1175 1176 |
#ifdef CONFIG_BLK struct blk_desc *block_dev; #endif |
f8d813e34
|
1177 1178 1179 |
if (blkcnt == 0) return 0; |
a0cb3fc31
|
1180 |
/* Setup device */ |
07b2b78ce
|
1181 1182 1183 1184 1185 1186 1187 |
#ifdef CONFIG_BLK block_dev = dev_get_uclass_platdata(dev); udev = dev_get_parent_priv(dev_get_parent(dev)); debug(" usb_read: udev %d ", block_dev->devnum); #else |
9807c3b78
|
1188 1189 1190 1191 1192 |
debug(" usb_read: udev %d ", block_dev->devnum); udev = usb_dev_desc[block_dev->devnum].priv; if (!udev) { |
84073b6f3
|
1193 1194 1195 |
debug("%s: No device ", __func__); return 0; |
affae2bff
|
1196 |
} |
07b2b78ce
|
1197 |
#endif |
9807c3b78
|
1198 |
ss = (struct us_data *)udev->privptr; |
affae2bff
|
1199 1200 |
usb_disable_asynch(1); /* asynch transfer not allowed */ |
9807c3b78
|
1201 |
srb->lun = block_dev->lun; |
f65708713
|
1202 |
buf_addr = (uintptr_t)buffer; |
a0cb3fc31
|
1203 1204 |
start = blknr; blks = blkcnt; |
a0cb3fc31
|
1205 |
|
9807c3b78
|
1206 1207 1208 1209 |
debug(" usb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" PRIxPTR " ", block_dev->devnum, start, blks, buf_addr); |
a0cb3fc31
|
1210 |
|
affae2bff
|
1211 |
do { |
a0cb3fc31
|
1212 1213 1214 |
/* XXX need some comment here */ retry = 2; srb->pdata = (unsigned char *)buf_addr; |
6158d0b42
|
1215 1216 |
if (blks > ss->max_xfer_blk) smallblks = ss->max_xfer_blk; |
a0cb3fc31
|
1217 1218 |
else smallblks = (unsigned short) blks; |
affae2bff
|
1219 |
retry_it: |
6158d0b42
|
1220 |
if (smallblks == ss->max_xfer_blk) |
affae2bff
|
1221 |
usb_show_progress(); |
9807c3b78
|
1222 |
srb->datalen = block_dev->blksz * smallblks; |
a0cb3fc31
|
1223 |
srb->pdata = (unsigned char *)buf_addr; |
5dd95cf93
|
1224 |
if (usb_read_10(srb, ss, start, smallblks)) { |
ceb4972a8
|
1225 1226 |
debug("Read ERROR "); |
5dd95cf93
|
1227 |
usb_request_sense(srb, ss); |
a0cb3fc31
|
1228 |
if (retry--) |
affae2bff
|
1229 |
goto retry_it; |
a0cb3fc31
|
1230 |
blkcnt -= blks; |
affae2bff
|
1231 1232 |
break; } |
a0cb3fc31
|
1233 1234 1235 1236 |
start += smallblks; blks -= smallblks; buf_addr += srb->datalen; } while (blks != 0); |
3e8581bb9
|
1237 |
ss->flags &= ~USB_READY; |
a0cb3fc31
|
1238 |
|
ceb4972a8
|
1239 |
debug("usb_read: end startblk " LBAF |
4fd074de0
|
1240 1241 |
", blccnt %x buffer %" PRIxPTR " ", |
ceb4972a8
|
1242 |
start, smallblks, buf_addr); |
a0cb3fc31
|
1243 |
|
affae2bff
|
1244 |
usb_disable_asynch(0); /* asynch transfer allowed */ |
6158d0b42
|
1245 |
if (blkcnt >= ss->max_xfer_blk) |
226fa9bb9
|
1246 1247 |
debug(" "); |
a0cb3fc31
|
1248 |
return blkcnt; |
affae2bff
|
1249 |
} |
07b2b78ce
|
1250 1251 1252 1253 |
#ifdef CONFIG_BLK static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, const void *buffer) #else |
4101f6879
|
1254 |
static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, |
7c4213f6a
|
1255 |
lbaint_t blkcnt, const void *buffer) |
07b2b78ce
|
1256 |
#endif |
127e10842
|
1257 |
{ |
e81e79ede
|
1258 1259 |
lbaint_t start, blks; uintptr_t buf_addr; |
127e10842
|
1260 |
unsigned short smallblks; |
9807c3b78
|
1261 |
struct usb_device *udev; |
5dd95cf93
|
1262 |
struct us_data *ss; |
84073b6f3
|
1263 |
int retry; |
b9560ad64
|
1264 |
struct scsi_cmd *srb = &usb_ccb; |
07b2b78ce
|
1265 1266 1267 |
#ifdef CONFIG_BLK struct blk_desc *block_dev; #endif |
127e10842
|
1268 1269 1270 |
if (blkcnt == 0) return 0; |
127e10842
|
1271 |
/* Setup device */ |
07b2b78ce
|
1272 1273 1274 1275 1276 1277 1278 |
#ifdef CONFIG_BLK block_dev = dev_get_uclass_platdata(dev); udev = dev_get_parent_priv(dev_get_parent(dev)); debug(" usb_read: udev %d ", block_dev->devnum); #else |
9807c3b78
|
1279 1280 1281 1282 1283 1284 1285 |
debug(" usb_read: udev %d ", block_dev->devnum); udev = usb_dev_desc[block_dev->devnum].priv; if (!udev) { debug("%s: No device ", __func__); |
84073b6f3
|
1286 |
return 0; |
9807c3b78
|
1287 |
} |
07b2b78ce
|
1288 |
#endif |
9807c3b78
|
1289 |
ss = (struct us_data *)udev->privptr; |
127e10842
|
1290 1291 |
usb_disable_asynch(1); /* asynch transfer not allowed */ |
9807c3b78
|
1292 |
srb->lun = block_dev->lun; |
f65708713
|
1293 |
buf_addr = (uintptr_t)buffer; |
127e10842
|
1294 1295 |
start = blknr; blks = blkcnt; |
127e10842
|
1296 |
|
9807c3b78
|
1297 1298 1299 1300 |
debug(" usb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" PRIxPTR " ", block_dev->devnum, start, blks, buf_addr); |
127e10842
|
1301 1302 1303 1304 1305 1306 1307 |
do { /* If write fails retry for max retry count else * return with number of blocks written successfully. */ retry = 2; srb->pdata = (unsigned char *)buf_addr; |
6158d0b42
|
1308 1309 |
if (blks > ss->max_xfer_blk) smallblks = ss->max_xfer_blk; |
127e10842
|
1310 1311 1312 |
else smallblks = (unsigned short) blks; retry_it: |
6158d0b42
|
1313 |
if (smallblks == ss->max_xfer_blk) |
127e10842
|
1314 |
usb_show_progress(); |
9807c3b78
|
1315 |
srb->datalen = block_dev->blksz * smallblks; |
127e10842
|
1316 |
srb->pdata = (unsigned char *)buf_addr; |
5dd95cf93
|
1317 |
if (usb_write_10(srb, ss, start, smallblks)) { |
ceb4972a8
|
1318 1319 |
debug("Write ERROR "); |
5dd95cf93
|
1320 |
usb_request_sense(srb, ss); |
127e10842
|
1321 1322 1323 1324 1325 1326 1327 1328 1329 |
if (retry--) goto retry_it; blkcnt -= blks; break; } start += smallblks; blks -= smallblks; buf_addr += srb->datalen; } while (blks != 0); |
3e8581bb9
|
1330 |
ss->flags &= ~USB_READY; |
127e10842
|
1331 |
|
4fd074de0
|
1332 1333 1334 |
debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" PRIxPTR " ", start, smallblks, buf_addr); |
127e10842
|
1335 1336 |
usb_disable_asynch(0); /* asynch transfer allowed */ |
6158d0b42
|
1337 |
if (blkcnt >= ss->max_xfer_blk) |
226fa9bb9
|
1338 1339 |
debug(" "); |
127e10842
|
1340 1341 1342 |
return blkcnt; } |
affae2bff
|
1343 1344 |
/* Probe to see if a new device is actually a Storage device */ |
a0cb3fc31
|
1345 1346 |
int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, struct us_data *ss) |
affae2bff
|
1347 |
{ |
8f8bd565f
|
1348 |
struct usb_interface *iface; |
affae2bff
|
1349 |
int i; |
605bd75af
|
1350 |
struct usb_endpoint_descriptor *ep_desc; |
affae2bff
|
1351 |
unsigned int flags = 0; |
affae2bff
|
1352 1353 |
/* let's examine the device now */ iface = &dev->config.if_desc[ifnum]; |
affae2bff
|
1354 |
if (dev->descriptor.bDeviceClass != 0 || |
8f8bd565f
|
1355 1356 1357 |
iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || iface->desc.bInterfaceSubClass < US_SC_MIN || iface->desc.bInterfaceSubClass > US_SC_MAX) { |
1d5827a12
|
1358 1359 |
debug("Not mass storage "); |
affae2bff
|
1360 1361 1362 |
/* if it's not a mass storage, we go no further */ return 0; } |
9c998aa83
|
1363 |
memset(ss, 0, sizeof(struct us_data)); |
affae2bff
|
1364 |
/* At this point, we know we've got a live one */ |
ceb4972a8
|
1365 1366 1367 1368 |
debug(" USB Mass Storage device detected "); |
affae2bff
|
1369 1370 1371 1372 1373 1374 |
/* Initialize the us_data structure with some useful info */ ss->flags = flags; ss->ifnum = ifnum; ss->pusb_dev = dev; ss->attention_done = 0; |
f5fb78a27
|
1375 1376 |
ss->subclass = iface->desc.bInterfaceSubClass; ss->protocol = iface->desc.bInterfaceProtocol; |
affae2bff
|
1377 1378 |
/* set the handler pointers based on the protocol */ |
ceb4972a8
|
1379 |
debug("Transport: "); |
affae2bff
|
1380 1381 |
switch (ss->protocol) { case US_PR_CB: |
ceb4972a8
|
1382 1383 |
debug("Control/Bulk "); |
affae2bff
|
1384 1385 1386 1387 1388 |
ss->transport = usb_stor_CB_transport; ss->transport_reset = usb_stor_CB_reset; break; case US_PR_CBI: |
ceb4972a8
|
1389 1390 |
debug("Control/Bulk/Interrupt "); |
affae2bff
|
1391 1392 1393 |
ss->transport = usb_stor_CB_transport; ss->transport_reset = usb_stor_CB_reset; break; |
149dded2b
|
1394 |
case US_PR_BULK: |
ceb4972a8
|
1395 1396 |
debug("Bulk/Bulk/Bulk "); |
149dded2b
|
1397 1398 1399 |
ss->transport = usb_stor_BBB_transport; ss->transport_reset = usb_stor_BBB_reset; break; |
affae2bff
|
1400 |
default: |
80885a9d5
|
1401 1402 |
printf("USB Storage Transport unknown / not yet implemented "); |
affae2bff
|
1403 1404 1405 1406 1407 1408 1409 1410 1411 |
return 0; break; } /* * We are expecting a minimum of 2 endpoints - in and out (bulk). * An optional interrupt is OK (necessary for CBI protocol). * We will ignore any others. */ |
8f8bd565f
|
1412 |
for (i = 0; i < iface->desc.bNumEndpoints; i++) { |
605bd75af
|
1413 |
ep_desc = &iface->ep_desc[i]; |
affae2bff
|
1414 |
/* is it an BULK endpoint? */ |
605bd75af
|
1415 |
if ((ep_desc->bmAttributes & |
a0cb3fc31
|
1416 |
USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { |
605bd75af
|
1417 1418 1419 |
if (ep_desc->bEndpointAddress & USB_DIR_IN) ss->ep_in = ep_desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; |
affae2bff
|
1420 |
else |
a0cb3fc31
|
1421 |
ss->ep_out = |
605bd75af
|
1422 |
ep_desc->bEndpointAddress & |
affae2bff
|
1423 1424 1425 1426 |
USB_ENDPOINT_NUMBER_MASK; } /* is it an interrupt endpoint? */ |
605bd75af
|
1427 1428 1429 1430 1431 |
if ((ep_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { ss->ep_int = ep_desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; ss->irqinterval = ep_desc->bInterval; |
affae2bff
|
1432 1433 |
} } |
ceb4972a8
|
1434 1435 1436 |
debug("Endpoints In %d Out %d Int %d ", ss->ep_in, ss->ep_out, ss->ep_int); |
affae2bff
|
1437 1438 |
/* Do some basic sanity checks, and bail if we find a problem */ |
8f8bd565f
|
1439 |
if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || |
affae2bff
|
1440 1441 |
!ss->ep_in || !ss->ep_out || (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { |
ceb4972a8
|
1442 1443 |
debug("Problems with device "); |
affae2bff
|
1444 1445 1446 |
return 0; } /* set class specific stuff */ |
149dded2b
|
1447 1448 |
/* We only handle certain protocols. Currently, these are * the only ones. |
80885a9d5
|
1449 |
* The SFF8070 accepts the requests used in u-boot |
affae2bff
|
1450 |
*/ |
80885a9d5
|
1451 1452 |
if (ss->subclass != US_SC_UFI && ss->subclass != US_SC_SCSI && ss->subclass != US_SC_8070) { |
a0cb3fc31
|
1453 1454 |
printf("Sorry, protocol %d not yet supported. ", ss->subclass); |
affae2bff
|
1455 1456 |
return 0; } |
a0cb3fc31
|
1457 1458 1459 1460 |
if (ss->ep_int) { /* we had found an interrupt endpoint, prepare irq pipe * set up the IRQ pipe and handler */ |
affae2bff
|
1461 1462 1463 |
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); |
a0cb3fc31
|
1464 |
dev->irq_handle = usb_stor_irq; |
affae2bff
|
1465 |
} |
6158d0b42
|
1466 1467 |
/* Set the maximum transfer size per host controller setting */ |
ea7fad910
|
1468 |
usb_stor_set_max_xfer_blk(dev, ss); |
6158d0b42
|
1469 |
|
a0cb3fc31
|
1470 |
dev->privptr = (void *)ss; |
affae2bff
|
1471 1472 |
return 1; } |
a0cb3fc31
|
1473 |
int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, |
4101f6879
|
1474 |
struct blk_desc *dev_desc) |
affae2bff
|
1475 |
{ |
a0cb3fc31
|
1476 |
unsigned char perq, modi; |
f65708713
|
1477 1478 1479 |
ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); u32 capacity, blksz; |
b9560ad64
|
1480 |
struct scsi_cmd *pccb = &usb_ccb; |
9c998aa83
|
1481 |
|
9c998aa83
|
1482 1483 1484 1485 |
pccb->pdata = usb_stor_buf; dev_desc->target = dev->devnum; pccb->lun = dev_desc->lun; |
ceb4972a8
|
1486 1487 |
debug(" address %d ", dev_desc->target); |
affae2bff
|
1488 |
|
1d5827a12
|
1489 1490 1491 |
if (usb_inquiry(pccb, ss)) { debug("%s: usb_inquiry() failed ", __func__); |
affae2bff
|
1492 |
return -1; |
1d5827a12
|
1493 |
} |
095b8a379
|
1494 |
|
9c998aa83
|
1495 1496 |
perq = usb_stor_buf[0]; modi = usb_stor_buf[1]; |
a0cb3fc31
|
1497 |
|
6a559bbe2
|
1498 1499 1500 1501 1502 |
/* * Skip unknown devices (0x1f) and enclosure service devices (0x0d), * they would not respond to test_unit_ready . */ if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { |
1d5827a12
|
1503 1504 |
debug("%s: unknown/unsupported device ", __func__); |
a0cb3fc31
|
1505 |
return 0; |
affae2bff
|
1506 |
} |
a0cb3fc31
|
1507 1508 |
if ((modi&0x80) == 0x80) { /* drive is removable */ |
9c998aa83
|
1509 |
dev_desc->removable = 1; |
affae2bff
|
1510 |
} |
f65708713
|
1511 1512 1513 |
memcpy(dev_desc->vendor, (const void *)&usb_stor_buf[8], 8); memcpy(dev_desc->product, (const void *)&usb_stor_buf[16], 16); memcpy(dev_desc->revision, (const void *)&usb_stor_buf[32], 4); |
9c998aa83
|
1514 1515 1516 |
dev_desc->vendor[8] = 0; dev_desc->product[16] = 0; dev_desc->revision[4] = 0; |
ddde6b7cf
|
1517 |
#ifdef CONFIG_USB_BIN_FIXUP |
a0cb3fc31
|
1518 1519 |
usb_bin_fixup(dev->descriptor, (uchar *)dev_desc->vendor, (uchar *)dev_desc->product); |
ddde6b7cf
|
1520 |
#endif /* CONFIG_USB_BIN_FIXUP */ |
ceb4972a8
|
1521 1522 1523 |
debug("ISO Vers %X, Response Data %X ", usb_stor_buf[2], usb_stor_buf[3]); |
a0cb3fc31
|
1524 1525 1526 1527 1528 1529 1530 |
if (usb_test_unit_ready(pccb, ss)) { printf("Device NOT ready " " Request Sense returned %02X %02X %02X ", pccb->sense_buf[2], pccb->sense_buf[12], pccb->sense_buf[13]); |
1e5eca7d4
|
1531 |
if (dev_desc->removable == 1) |
9c998aa83
|
1532 |
dev_desc->type = perq; |
a0cb3fc31
|
1533 |
return 0; |
affae2bff
|
1534 |
} |
f65708713
|
1535 |
pccb->pdata = (unsigned char *)cap; |
a0cb3fc31
|
1536 1537 |
memset(pccb->pdata, 0, 8); if (usb_read_capacity(pccb, ss) != 0) { |
affae2bff
|
1538 1539 |
printf("READ_CAP ERROR "); |
9c998aa83
|
1540 1541 |
cap[0] = 2880; cap[1] = 0x200; |
affae2bff
|
1542 |
} |
3e8581bb9
|
1543 |
ss->flags &= ~USB_READY; |
f65708713
|
1544 1545 |
debug("Read Capacity returns: 0x%08x, 0x%08x ", cap[0], cap[1]); |
affae2bff
|
1546 |
#if 0 |
a0cb3fc31
|
1547 1548 |
if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ cap[0] >>= 16; |
f65708713
|
1549 |
|
c918261c6
|
1550 1551 |
cap[0] = cpu_to_be32(cap[0]); cap[1] = cpu_to_be32(cap[1]); |
f65708713
|
1552 1553 1554 1555 |
#endif capacity = be32_to_cpu(cap[0]) + 1; blksz = be32_to_cpu(cap[1]); |
c918261c6
|
1556 |
|
f65708713
|
1557 1558 1559 1560 |
debug("Capacity = 0x%08x, blocksz = 0x%08x ", capacity, blksz); dev_desc->lba = capacity; dev_desc->blksz = blksz; |
0472fbfd3
|
1561 |
dev_desc->log2blksz = LOG2(dev_desc->blksz); |
9c998aa83
|
1562 |
dev_desc->type = perq; |
ceb4972a8
|
1563 1564 |
debug(" address %d ", dev_desc->target); |
affae2bff
|
1565 |
|
affae2bff
|
1566 1567 |
return 1; } |
acf277af6
|
1568 1569 1570 1571 1572 |
#ifdef CONFIG_DM_USB static int usb_mass_storage_probe(struct udevice *dev) { |
bcbe3d157
|
1573 |
struct usb_device *udev = dev_get_parent_priv(dev); |
acf277af6
|
1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 |
int ret; usb_disable_asynch(1); /* asynch transfer not allowed */ ret = usb_stor_probe_device(udev); usb_disable_asynch(0); /* asynch transfer allowed */ return ret; } static const struct udevice_id usb_mass_storage_ids[] = { { .compatible = "usb-mass-storage" }, { } }; U_BOOT_DRIVER(usb_mass_storage) = { .name = "usb_mass_storage", .id = UCLASS_MASS_STORAGE, .of_match = usb_mass_storage_ids, .probe = usb_mass_storage_probe, |
07b2b78ce
|
1593 1594 1595 |
#ifdef CONFIG_BLK .platdata_auto_alloc_size = sizeof(struct us_data), #endif |
acf277af6
|
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 |
}; UCLASS_DRIVER(usb_mass_storage) = { .id = UCLASS_MASS_STORAGE, .name = "usb_mass_storage", }; static const struct usb_device_id mass_storage_id_table[] = { { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, .bInterfaceClass = USB_CLASS_MASS_STORAGE }, { } /* Terminating entry */ }; |
abb59cffc
|
1610 |
U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); |
07b2b78ce
|
1611 |
#endif |
acf277af6
|
1612 |
|
07b2b78ce
|
1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 |
#ifdef CONFIG_BLK static const struct blk_ops usb_storage_ops = { .read = usb_stor_read, .write = usb_stor_write, }; U_BOOT_DRIVER(usb_storage_blk) = { .name = "usb_storage_blk", .id = UCLASS_BLK, .ops = &usb_storage_ops, }; |
c0543bf6b
|
1624 1625 1626 1627 1628 1629 1630 |
#else U_BOOT_LEGACY_BLK(usb) = { .if_typename = "usb", .if_type = IF_TYPE_USB, .max_devs = USB_MAX_STOR_DEV, .desc = usb_dev_desc, }; |
acf277af6
|
1631 |
#endif |