X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fusb_storage.c;h=b524a15e2bf93714c9ea758046d6c651decc4723;hb=f40574e2d78c96a3818c4fa2379382d924866a6e;hp=1e6cd6af27491467870ad76cc61d7c631a8a277f;hpb=0c0892be0d93a5a892b93739c5eb3bf692fed4ff;p=oweals%2Fu-boot.git diff --git a/common/usb_storage.c b/common/usb_storage.c index 1e6cd6af27..b524a15e2b 100644 --- a/common/usb_storage.c +++ b/common/usb_storage.c @@ -9,6 +9,8 @@ * * Adapted for U-Boot: * (C) Copyright 2001 Denis Peter, MPL AG Switzerland + * Driver model conversion: + * (C) Copyright 2015 Google, Inc * * For BBB support (C) Copyright 2003 * Gary Jennejohn, DENX Software Engineering @@ -16,24 +18,7 @@ * BBB support based on /sys/dev/usb/umass.c from * FreeBSD. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * 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 - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * + * SPDX-License-Identifier: GPL-2.0+ */ /* Note: @@ -50,22 +35,22 @@ #include #include +#include +#include +#include +#include +#include #include #include +#include +#include #include #include -#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) -#else -#define USB_STOR_PRINTF(fmt, args...) -#endif - #include /* direction table -- this indicates the direction of the data * transfer for each command code -- a 1 indicates input @@ -78,55 +63,14 @@ static const unsigned char us_direction[256/8] = { }; #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) -static unsigned char usb_stor_buf[512]; -static ccb usb_ccb; - -/* - * CBI style - */ - -#define US_CBI_ADSC 0 - -/* - * BULK only - */ -#define US_BBB_RESET 0xff -#define US_BBB_GET_MAX_LUN 0xfe - -/* Command Block Wrapper */ -typedef struct { - __u32 dCBWSignature; -# define CBWSIGNATURE 0x43425355 - __u32 dCBWTag; - __u32 dCBWDataTransferLength; - __u8 bCBWFlags; -# define CBWFLAGS_OUT 0x00 -# define CBWFLAGS_IN 0x80 - __u8 bCBWLUN; - __u8 bCDBLength; -# define CBWCDBLENGTH 16 - __u8 CBWCDB[CBWCDBLENGTH]; -} umass_bbb_cbw_t; -#define UMASS_BBB_CBW_SIZE 31 +static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); static __u32 CBWTag; -/* Command Status Wrapper */ -typedef struct { - __u32 dCSWSignature; -# define CSWSIGNATURE 0x53425355 - __u32 dCSWTag; - __u32 dCSWDataResidue; - __u8 bCSWStatus; -# define CSWSTATUS_GOOD 0x0 -# define CSWSTATUS_FAILED 0x1 -# define CSWSTATUS_PHASE 0x2 -} umass_bbb_csw_t; -#define UMASS_BBB_CSW_SIZE 13 - -#define USB_MAX_STOR_DEV 5 static int usb_max_devs; /* number of highest available usb device */ -static block_dev_desc_t usb_dev_desc[USB_MAX_STOR_DEV]; +#ifndef CONFIG_BLK +static struct blk_desc usb_dev_desc[USB_MAX_STOR_DEV]; +#endif struct us_data; typedef int (*trans_cmnd)(ccb *cb, struct us_data *data); @@ -136,6 +80,7 @@ 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 ....... */ @@ -155,31 +100,43 @@ struct us_data { trans_cmnd transport; /* transport routine */ }; -static struct us_data usb_stor[USB_MAX_STOR_DEV]; +#ifdef CONFIG_USB_EHCI +/* + * 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 65535 +#else +#define USB_MAX_XFER_BLK 20 +#endif +#ifndef CONFIG_BLK +static struct us_data usb_stor[USB_MAX_STOR_DEV]; +#endif #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); + struct blk_desc *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, void *buffer); -unsigned long usb_stor_write(int device, unsigned long blknr, - unsigned long blkcnt, const void *buffer); -struct usb_device * usb_get_dev_index(int index); +#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 +static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, + lbaint_t blkcnt, void *buffer); +static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, + lbaint_t blkcnt, const void *buffer); +#endif void uhci_show_temp_int_td(void); -block_dev_desc_t *usb_stor_get_dev(int index) -{ - return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; -} - - -void usb_show_progress(void) +static void usb_show_progress(void) { debug("."); } @@ -190,6 +147,20 @@ void usb_show_progress(void) */ int usb_stor_info(void) { + int count = 0; +#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 int i; if (usb_max_devs > 0) { @@ -199,25 +170,137 @@ int usb_stor_info(void) } return 0; } +#endif + if (!count) { + printf("No storage devices, perhaps not 'usb start'ed..?\n"); + return 1; + } - printf("No storage devices, perhaps not 'usb start'ed..?\n"); - return 1; + return 0; } static unsigned int usb_get_max_lun(struct us_data *us) { int len; - unsigned char result; + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, result, 1); 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, - &result, sizeof(result), + result, sizeof(char), USB_CNTL_TIMEOUT * 5); - USB_STOR_PRINTF("Get Max LUN -> len = %i, result = %i\n", - len, (int) result); - return (len > 0) ? result : 0; + debug("Get Max LUN -> len = %i, result = %i\n", len, (int) *result); + return (len > 0) ? *result : 0; +} + +static int usb_stor_probe_device(struct usb_device *udev) +{ + int lun, max_lun; + +#ifdef CONFIG_BLK + struct us_data *data; + int ret; +#else + int start; + + if (udev == NULL) + return -ENOENT; /* no more devices available */ +#endif + + debug("\n\nProbing for storage\n"); +#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; + char str[10]; + + 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); + if (ret) { + debug("Cannot bind driver\n"); + return ret; + } + + blkdev = dev_get_uclass_platdata(dev); + blkdev->target = 0xff; + blkdev->lun = lun; + + 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\n", __func__, udev); + } else { + debug("usb_stor_get_info: Invalid device\n"); + ret = device_unbind(dev); + if (ret) + return ret; + } + } +#else + /* 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\n", + usb_max_devs); + return -ENOSPC; + } + + 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) { + debug("partype: %d\n", blkdev->part_type); + part_init(blkdev); + debug("partype: %d\n", blkdev->part_type); + usb_max_devs++; + debug("%s: Found device %p\n", __func__, udev); + } + } +#endif + + return 0; +} + +void usb_stor_reset(void) +{ + usb_max_devs = 0; } /******************************************************************************* @@ -227,61 +310,26 @@ static unsigned int usb_get_max_lun(struct us_data *us) */ int usb_stor_scan(int mode) { - unsigned char i; - struct usb_device *dev; - - /* GJ */ - memset(usb_stor_buf, 0, sizeof(usb_stor_buf)); - if (mode == 1) - printf(" scanning bus for storage devices... "); + printf(" scanning usb for storage devices... "); - usb_disable_asynch(1); /* asynch transfer not allowed */ +#ifndef CONFIG_DM_USB + unsigned char i; - for (i = 0; i < USB_MAX_STOR_DEV; i++) { - memset(&usb_dev_desc[i], 0, sizeof(block_dev_desc_t)); - usb_dev_desc[i].if_type = IF_TYPE_USB; - usb_dev_desc[i].dev = i; - usb_dev_desc[i].part_type = PART_TYPE_UNKNOWN; - usb_dev_desc[i].target = 0xff; - usb_dev_desc[i].type = DEV_TYPE_UNKNOWN; - usb_dev_desc[i].block_read = usb_stor_read; - usb_dev_desc[i].block_write = usb_stor_write; - } + usb_disable_asynch(1); /* asynch transfer not allowed */ - usb_max_devs = 0; + usb_stor_reset(); for (i = 0; i < USB_MAX_DEVICE; i++) { + struct usb_device *dev; + dev = usb_get_dev_index(i); /* get device */ - USB_STOR_PRINTF("i=%d\n", i); - if (dev == NULL) - break; /* no more devices avaiable */ - - if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) { - /* OK, it's a storage device. Iterate over its LUNs - * and populate `usb_dev_desc'. - */ - int lun, max_lun, 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++) { - usb_dev_desc[usb_max_devs].lun = lun; - if (usb_stor_get_info(dev, &usb_stor[start], - &usb_dev_desc[usb_max_devs]) == 1) { - usb_max_devs++; - } - } - } - /* if storage device */ - if (usb_max_devs == USB_MAX_STOR_DEV) { - printf("max USB Storage Device reached: %d stopping\n", - usb_max_devs); + debug("i=%d\n", i); + if (usb_stor_probe_device(dev)) break; - } } /* for */ usb_disable_asynch(0); /* asynch transfer allowed */ +#endif printf("%d Storage Device(s) found\n", usb_max_devs); if (usb_max_devs > 0) return 0; @@ -299,7 +347,7 @@ static int usb_stor_irq(struct usb_device *dev) } -#ifdef USB_STOR_DEBUG +#ifdef DEBUG static void usb_show_srb(ccb *pccb) { @@ -351,45 +399,50 @@ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) /* set up the transfer loop */ do { /* transfer the data */ - USB_STOR_PRINTF("Bulk xfer 0x%x(%d) try #%d\n", - (unsigned int)buf, this_xfer, 11 - maxtry); + debug("Bulk xfer 0x%lx(%d) try #%d\n", + (ulong)map_to_sysmem(buf), this_xfer, + 11 - maxtry); result = usb_bulk_msg(us->pusb_dev, pipe, buf, this_xfer, &partial, USB_CNTL_TIMEOUT * 5); - USB_STOR_PRINTF("bulk_msg returned %d xferred %d/%d\n", - result, partial, this_xfer); + debug("bulk_msg returned %d xferred %d/%d\n", + result, partial, this_xfer); if (us->pusb_dev->status != 0) { /* if we stall, we need to clear it before * we go on */ -#ifdef USB_STOR_DEBUG +#ifdef DEBUG display_int_status(us->pusb_dev->status); #endif if (us->pusb_dev->status & USB_ST_STALLED) { - USB_STOR_PRINTF("stalled ->clearing endpoint halt for pipe 0x%x\n", pipe); + debug("stalled ->clearing endpoint" \ + "halt for pipe 0x%x\n", pipe); stat = us->pusb_dev->status; 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); + debug("bulk transferred" \ + "with error %lX," \ + " but data ok\n", + us->pusb_dev->status); return 0; } else return result; } if (us->pusb_dev->status & USB_ST_NAK_REC) { - USB_STOR_PRINTF("Device NAKed bulk_msg\n"); + debug("Device NAKed bulk_msg\n"); return result; } - USB_STOR_PRINTF("bulk transferred with error"); + debug("bulk transferred with error"); if (this_xfer == partial) { - USB_STOR_PRINTF(" %d, but data ok\n", - us->pusb_dev->status); + debug(" %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", - us->pusb_dev->status, partial); + debug(" %ld, data %d\n", + us->pusb_dev->status, partial); if (!maxtry--) return result; } @@ -423,35 +476,34 @@ static int usb_stor_BBB_reset(struct us_data *us) * * This comment stolen from FreeBSD's /sys/dev/usb/umass.c. */ - USB_STOR_PRINTF("BBB_reset\n"); + debug("BBB_reset\n"); 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"); + debug("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); + mdelay(150); + debug("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", - result, us->pusb_dev->status); + mdelay(150); + debug("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" - " clearing OUT endpoint\n", result, - us->pusb_dev->status); - USB_STOR_PRINTF("BBB_reset done\n"); + mdelay(150); + debug("BBB_reset result %d: status %lX clearing OUT endpoint\n", + result, us->pusb_dev->status); + debug("BBB_reset done\n"); return 0; } @@ -464,7 +516,7 @@ static int usb_stor_CB_reset(struct us_data *us) unsigned char cmd[12]; int result; - USB_STOR_PRINTF("CB_reset\n"); + debug("CB_reset\n"); memset(cmd, 0xff, sizeof(cmd)); cmd[0] = SCSI_SEND_DIAG; cmd[1] = 4; @@ -475,14 +527,13 @@ 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" - " clearing endpoint halt\n", result, - us->pusb_dev->status); + mdelay(1500); + debug("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)); usb_clear_halt(us->pusb_dev, usb_rcvbulkpipe(us->pusb_dev, us->ep_out)); - USB_STOR_PRINTF("CB_reset done\n"); + debug("CB_reset done\n"); return 0; } @@ -490,18 +541,18 @@ 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; int dir_in; unsigned int pipe; - umass_bbb_cbw_t cbw; + ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); dir_in = US_DIRECTION(srb->cmd[0]); #ifdef BBB_COMDAT_TRACE - printf("dir %d lun %d cmdlen %d cmd %p datalen %d pdata %p\n", + printf("dir %d lun %d cmdlen %d cmd %p datalen %lu pdata %p\n", dir_in, srb->lun, srb->cmdlen, srb->cmd, srb->datalen, srb->pdata); if (srb->cmdlen) { @@ -512,33 +563,34 @@ int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) #endif /* sanity checks */ if (!(srb->cmdlen <= CBWCDBLENGTH)) { - USB_STOR_PRINTF("usb_stor_BBB_comdat:cmdlen too large\n"); + debug("usb_stor_BBB_comdat:cmdlen too large\n"); return -1; } /* always OUT to the ep */ pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); - 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; + 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; /* copy the command data into the CBW command data buffer */ /* DST SRC LEN!!! */ - memcpy(cbw.CBWCDB, srb->cmd, srb->cmdlen); - result = usb_bulk_msg(us->pusb_dev, pipe, &cbw, UMASS_BBB_CBW_SIZE, + + memcpy(cbw->CBWCDB, srb->cmd, srb->cmdlen); + result = usb_bulk_msg(us->pusb_dev, pipe, cbw, UMASS_BBB_CBW_SIZE, &actlen, USB_CNTL_TIMEOUT * 5); if (result < 0) - USB_STOR_PRINTF("usb_stor_BBB_comdat:usb_bulk_msg error\n"); + debug("usb_stor_BBB_comdat:usb_bulk_msg error\n"); return result; } /* 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; @@ -554,8 +606,8 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us) pipe = usb_sndbulkpipe(us->pusb_dev, us->ep_out); while (retry--) { - USB_STOR_PRINTF("CBI gets a command: Try %d\n", 5 - retry); -#ifdef USB_STOR_DEBUG + debug("CBI gets a command: Try %d\n", 5 - retry); +#ifdef DEBUG usb_show_srb(srb); #endif /* let's send the command via the control pipe */ @@ -566,35 +618,35 @@ int usb_stor_CB_comdat(ccb *srb, struct us_data *us) 0, us->ifnum, 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); + debug("CB_transport: control msg returned %d, 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) { status = us->pusb_dev->status; - USB_STOR_PRINTF(" stall during command found," - " clear pipe\n"); + debug(" stall during command found," \ + " clear pipe\n"); usb_clear_halt(us->pusb_dev, usb_sndctrlpipe(us->pusb_dev, 0)); us->pusb_dev->status = status; } - USB_STOR_PRINTF(" error during command %02X" - " Stat = %X\n", srb->cmd[0], - us->pusb_dev->status); + debug(" error during command %02X" \ + " Stat = %lX\n", srb->cmd[0], + us->pusb_dev->status); return result; } /* transfer the data payload for this command, if one exists*/ - USB_STOR_PRINTF("CB_transport: control msg returned %d," - " direction is %s to go 0x%lx\n", result, - dir_in ? "IN" : "OUT", srb->datalen); + debug("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, (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); + debug("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; } /* if (srb->datalen) */ @@ -607,7 +659,7 @@ 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; @@ -616,19 +668,18 @@ 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 (us->ip_wanted == 0) break; - wait_ms(10); + mdelay(10); } if (us->ip_wanted) { 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); + debug("Got interrupt data 0x%x, transferred %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 || @@ -655,24 +706,21 @@ 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); - return result; + 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); } -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; int actlen, data_actlen; unsigned int pipe, pipein, pipeout; - umass_bbb_csw_t csw; + ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); #ifdef BBB_XPORT_TRACE unsigned char *ptr; int index; @@ -681,15 +729,16 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) dir_in = US_DIRECTION(srb->cmd[0]); /* COMMAND phase */ - USB_STOR_PRINTF("COMMAND phase\n"); + debug("COMMAND phase\n"); result = usb_stor_BBB_comdat(srb, us); if (result < 0) { - USB_STOR_PRINTF("failed to send CBW status %ld\n", - us->pusb_dev->status); + debug("failed to send CBW status %ld\n", + us->pusb_dev->status); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } - wait_ms(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 */ @@ -697,16 +746,17 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) /* no data, go immediately to the STATUS phase */ if (srb->datalen == 0) goto st; - USB_STOR_PRINTF("DATA phase\n"); + debug("DATA phase\n"); if (dir_in) pipe = pipein; else pipe = pipeout; + result = usb_bulk_msg(us->pusb_dev, pipe, srb->pdata, srb->datalen, &data_actlen, USB_CNTL_TIMEOUT * 5); /* special handling of STALL in DATA phase */ if ((result < 0) && (us->pusb_dev->status & USB_ST_STALLED)) { - USB_STOR_PRINTF("DATA:stall\n"); + debug("DATA:stall\n"); /* clear the STALL on the endpoint */ result = usb_stor_BBB_clear_endpt_stall(us, dir_in ? us->ep_in : us->ep_out); @@ -715,8 +765,8 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) goto st; } if (result < 0) { - USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", - us->pusb_dev->status); + debug("usb_bulk_msg error status %ld\n", + us->pusb_dev->status); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } @@ -729,14 +779,14 @@ int usb_stor_BBB_transport(ccb *srb, struct us_data *us) st: retry = 0; again: - USB_STOR_PRINTF("STATUS phase\n"); - result = usb_bulk_msg(us->pusb_dev, pipein, &csw, UMASS_BBB_CSW_SIZE, + debug("STATUS phase\n"); + 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"); + debug("STATUS:stall\n"); /* clear the STALL on the endpoint */ result = usb_stor_BBB_clear_endpt_stall(us, us->ep_in); if (result >= 0 && (retry++ < 1)) @@ -744,50 +794,50 @@ again: goto again; } if (result < 0) { - USB_STOR_PRINTF("usb_bulk_msg error status %ld\n", - us->pusb_dev->status); + debug("usb_bulk_msg error status %ld\n", + us->pusb_dev->status); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; } #ifdef BBB_XPORT_TRACE - ptr = (unsigned char *)&csw; + ptr = (unsigned char *)csw; for (index = 0; index < UMASS_BBB_CSW_SIZE; index++) printf("ptr[%d] %#x ", index, ptr[index]); printf("\n"); #endif /* misuse pipe to get the residue */ - pipe = le32_to_cpu(csw.dCSWDataResidue); + pipe = le32_to_cpu(csw->dCSWDataResidue); if (pipe == 0 && srb->datalen != 0 && srb->datalen - data_actlen != 0) pipe = srb->datalen - data_actlen; - if (CSWSIGNATURE != le32_to_cpu(csw.dCSWSignature)) { - USB_STOR_PRINTF("!CSWSIGNATURE\n"); + if (CSWSIGNATURE != le32_to_cpu(csw->dCSWSignature)) { + debug("!CSWSIGNATURE\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; - } else if ((CBWTag - 1) != le32_to_cpu(csw.dCSWTag)) { - USB_STOR_PRINTF("!Tag\n"); + } else if ((CBWTag - 1) != le32_to_cpu(csw->dCSWTag)) { + debug("!Tag\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; - } else if (csw.bCSWStatus > CSWSTATUS_PHASE) { - USB_STOR_PRINTF(">PHASE\n"); + } else if (csw->bCSWStatus > CSWSTATUS_PHASE) { + debug(">PHASE\n"); usb_stor_BBB_reset(us); return USB_STOR_TRANSPORT_FAILED; - } else if (csw.bCSWStatus == CSWSTATUS_PHASE) { - USB_STOR_PRINTF("=PHASE\n"); + } else if (csw->bCSWStatus == CSWSTATUS_PHASE) { + debug("=PHASE\n"); 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", - data_actlen, srb->datalen); + debug("transferred %dB instead of %ldB\n", + data_actlen, srb->datalen); return USB_STOR_TRANSPORT_FAILED; - } else if (csw.bCSWStatus == CSWSTATUS_FAILED) { - USB_STOR_PRINTF("FAILED\n"); + } else if (csw->bCSWStatus == CSWSTATUS_FAILED) { + debug("FAILED\n"); return USB_STOR_TRANSPORT_FAILED; } 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; @@ -801,14 +851,14 @@ 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", - result, us->pusb_dev->status); + debug("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) { status = usb_stor_CBI_get_status(srb, us); /* if the status is error, report it */ if (status == USB_STOR_TRANSPORT_ERROR) { - USB_STOR_PRINTF(" USB CBI Command Error\n"); + debug(" USB CBI Command Error\n"); return status; } srb->sense_buf[12] = (unsigned char)(us->ip_data >> 8); @@ -816,7 +866,7 @@ do_retry: if (!us->ip_data) { /* if the status is good, report it */ if (status == USB_STOR_TRANSPORT_GOOD) { - USB_STOR_PRINTF(" USB CBI Command Good\n"); + debug(" USB CBI Command Good\n"); return status; } } @@ -824,7 +874,7 @@ 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); + debug("ERROR %lX\n", us->pusb_dev->status); us->transport_reset(us); return USB_STOR_TRANSPORT_ERROR; } @@ -832,7 +882,7 @@ do_retry: ((srb->cmd[0] == SCSI_REQ_SENSE) || (srb->cmd[0] == SCSI_INQUIRY))) { /* do not issue an autorequest after request sense */ - USB_STOR_PRINTF("No auto request and good\n"); + debug("No auto request and good\n"); return USB_STOR_TRANSPORT_GOOD; } /* issue an request_sense */ @@ -845,19 +895,19 @@ do_retry: psrb->cmdlen = 12; /* issue the command */ result = usb_stor_CB_comdat(psrb, us); - USB_STOR_PRINTF("auto request returned %d\n", result); + debug("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); if ((result < 0) && !(us->pusb_dev->status & USB_ST_STALLED)) { - USB_STOR_PRINTF(" AUTO REQUEST ERROR %d\n", - us->pusb_dev->status); + debug(" AUTO REQUEST ERROR %ld\n", + us->pusb_dev->status); return USB_STOR_TRANSPORT_ERROR; } - USB_STOR_PRINTF("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", - srb->sense_buf[0], srb->sense_buf[2], - srb->sense_buf[12], srb->sense_buf[13]); + debug("autorequest returned 0x%02X 0x%02X 0x%02X 0x%02X\n", + srb->sense_buf[0], srb->sense_buf[2], + srb->sense_buf[12], srb->sense_buf[13]); /* Check the auto request result */ if ((srb->sense_buf[2] == 0) && (srb->sense_buf[12] == 0) && @@ -881,7 +931,7 @@ 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; @@ -912,7 +962,7 @@ static int usb_inquiry(ccb *srb, struct us_data *ss) srb->datalen = 36; srb->cmdlen = 12; i = ss->transport(srb, ss); - USB_STOR_PRINTF("inquiry returns %d\n", i); + debug("inquiry returns %d\n", i); if (i == 0) break; } while (--retry); @@ -937,9 +987,9 @@ static int usb_request_sense(ccb *srb, struct us_data *ss) srb->pdata = &srb->sense_buf[0]; 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]); + debug("Request Sense returned %02X %02X %02X\n", + srb->sense_buf[2], srb->sense_buf[12], + srb->sense_buf[13]); srb->pdata = (uchar *)ptr; return 0; } @@ -954,10 +1004,22 @@ 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); - wait_ms(100); + /* + * 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; + mdelay(100); } while (retries--); return -1; @@ -994,7 +1056,7 @@ static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; srb->cmd[8] = (unsigned char) blocks & 0xff; srb->cmdlen = 12; - USB_STOR_PRINTF("read10: start %lx blocks %x\n", start, blocks); + debug("read10: start %lx blocks %x\n", start, blocks); return ss->transport(srb, ss); } @@ -1011,7 +1073,7 @@ static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, srb->cmd[7] = ((unsigned char) (blocks >> 8)) & 0xff; srb->cmd[8] = (unsigned char) blocks & 0xff; srb->cmdlen = 12; - USB_STOR_PRINTF("write10: start %lx blocks %x\n", start, blocks); + debug("write10: start %lx blocks %x\n", start, blocks); return ss->transport(srb, ss); } @@ -1024,7 +1086,7 @@ static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, * 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. + * struct blk_desc in include/part.h. */ static void usb_bin_fixup(struct usb_device_descriptor descriptor, unsigned char vendor[], @@ -1039,64 +1101,67 @@ 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) +#ifdef CONFIG_BLK +static unsigned long usb_stor_read(struct udevice *dev, lbaint_t blknr, + lbaint_t blkcnt, void *buffer) +#else +static unsigned long usb_stor_read(struct blk_desc *block_dev, lbaint_t blknr, + lbaint_t blkcnt, void *buffer) +#endif { - unsigned long start, blks, buf_addr; + lbaint_t start, blks; + uintptr_t buf_addr; unsigned short smallblks; - struct usb_device *dev; - int retry, i; + struct usb_device *udev; + struct us_data *ss; + int retry; ccb *srb = &usb_ccb; +#ifdef CONFIG_BLK + struct blk_desc *block_dev; +#endif if (blkcnt == 0) return 0; - - device &= 0xff; /* Setup device */ - USB_STOR_PRINTF("\nusb_read: dev %d \n", device); - dev = NULL; - for (i = 0; i < USB_MAX_DEVICE; i++) { - dev = usb_get_dev_index(i); - if (dev == NULL) - return 0; - if (dev->devnum == usb_dev_desc[device].target) - break; +#ifdef CONFIG_BLK + block_dev = dev_get_uclass_platdata(dev); + udev = dev_get_parent_priv(dev_get_parent(dev)); + debug("\nusb_read: udev %d\n", block_dev->devnum); +#else + debug("\nusb_read: udev %d\n", block_dev->devnum); + udev = usb_dev_desc[block_dev->devnum].priv; + if (!udev) { + debug("%s: No device\n", __func__); + return 0; } +#endif + ss = (struct us_data *)udev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ - srb->lun = usb_dev_desc[device].lun; - buf_addr = (unsigned long)buffer; + srb->lun = block_dev->lun; + buf_addr = (uintptr_t)buffer; start = blknr; blks = blkcnt; - if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) { - 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" - " buffer %lx\n", device, start, blks, buf_addr); + debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" + PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); do { /* 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 > USB_MAX_XFER_BLK) + smallblks = USB_MAX_XFER_BLK; else smallblks = (unsigned short) blks; retry_it: - if (smallblks == USB_MAX_READ_BLK) + if (smallblks == USB_MAX_XFER_BLK) usb_show_progress(); - srb->datalen = usb_dev_desc[device].blksz * smallblks; + srb->datalen = block_dev->blksz * smallblks; srb->pdata = (unsigned char *)buf_addr; - if (usb_read_10(srb, (struct us_data *)dev->privptr, start, - smallblks)) { - USB_STOR_PRINTF("Read ERROR\n"); - usb_request_sense(srb, (struct us_data *)dev->privptr); + if (usb_read_10(srb, ss, start, smallblks)) { + debug("Read ERROR\n"); + usb_request_sense(srb, ss); if (retry--) goto retry_it; blkcnt -= blks; @@ -1106,57 +1171,64 @@ 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", - start, smallblks, buf_addr); + debug("usb_read: end startblk " LBAF + ", blccnt %x buffer %" PRIxPTR "\n", + start, smallblks, buf_addr); usb_disable_asynch(0); /* asynch transfer allowed */ - if (blkcnt >= USB_MAX_READ_BLK) + if (blkcnt >= USB_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) +#ifdef CONFIG_BLK +static unsigned long usb_stor_write(struct udevice *dev, lbaint_t blknr, + lbaint_t blkcnt, const void *buffer) +#else +static unsigned long usb_stor_write(struct blk_desc *block_dev, lbaint_t blknr, + lbaint_t blkcnt, const void *buffer) +#endif { - unsigned long start, blks, buf_addr; + lbaint_t start, blks; + uintptr_t buf_addr; unsigned short smallblks; - struct usb_device *dev; - int retry, i; + struct usb_device *udev; + struct us_data *ss; + int retry; ccb *srb = &usb_ccb; +#ifdef CONFIG_BLK + struct blk_desc *block_dev; +#endif if (blkcnt == 0) return 0; - device &= 0xff; /* Setup device */ - USB_STOR_PRINTF("\nusb_write: dev %d \n", device); - dev = NULL; - for (i = 0; i < USB_MAX_DEVICE; i++) { - dev = usb_get_dev_index(i); - if (dev == NULL) - return 0; - if (dev->devnum == usb_dev_desc[device].target) - break; +#ifdef CONFIG_BLK + block_dev = dev_get_uclass_platdata(dev); + udev = dev_get_parent_priv(dev_get_parent(dev)); + debug("\nusb_read: udev %d\n", block_dev->devnum); +#else + debug("\nusb_read: udev %d\n", block_dev->devnum); + udev = usb_dev_desc[block_dev->devnum].priv; + if (!udev) { + debug("%s: No device\n", __func__); + return 0; } +#endif + ss = (struct us_data *)udev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ - srb->lun = usb_dev_desc[device].lun; - buf_addr = (unsigned long)buffer; + srb->lun = block_dev->lun; + buf_addr = (uintptr_t)buffer; start = blknr; blks = blkcnt; - if (usb_test_unit_ready(srb, (struct us_data *)dev->privptr)) { - 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" - " buffer %lx\n", device, start, blks, buf_addr); + debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF " buffer %" + PRIxPTR "\n", block_dev->devnum, start, blks, buf_addr); do { /* If write fails retry for max retry count else @@ -1164,19 +1236,18 @@ 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 > USB_MAX_XFER_BLK) + smallblks = USB_MAX_XFER_BLK; else smallblks = (unsigned short) blks; retry_it: - if (smallblks == USB_MAX_WRITE_BLK) + if (smallblks == USB_MAX_XFER_BLK) usb_show_progress(); - srb->datalen = usb_dev_desc[device].blksz * smallblks; + srb->datalen = block_dev->blksz * smallblks; srb->pdata = (unsigned char *)buf_addr; - if (usb_write_10(srb, (struct us_data *)dev->privptr, start, - smallblks)) { - USB_STOR_PRINTF("Write ERROR\n"); - usb_request_sense(srb, (struct us_data *)dev->privptr); + if (usb_write_10(srb, ss, start, smallblks)) { + debug("Write ERROR\n"); + usb_request_sense(srb, ss); if (retry--) goto retry_it; blkcnt -= blks; @@ -1186,12 +1257,13 @@ 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", - start, smallblks, buf_addr); + debug("usb_write: end startblk " LBAF ", blccnt %x buffer %" + PRIxPTR "\n", start, smallblks, buf_addr); usb_disable_asynch(0); /* asynch transfer allowed */ - if (blkcnt >= USB_MAX_WRITE_BLK) + if (blkcnt >= USB_MAX_XFER_BLK) debug("\n"); return blkcnt; @@ -1203,31 +1275,17 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, { struct usb_interface *iface; int i; + struct usb_endpoint_descriptor *ep_desc; unsigned int flags = 0; - int protocol = 0; - int subclass = 0; - /* let's examine the device now */ iface = &dev->config.if_desc[ifnum]; -#if 0 - /* this is the place to patch some storage devices */ - USB_STOR_PRINTF("iVendor %X iProduct %X\n", dev->descriptor.idVendor, - dev->descriptor.idProduct); - - if ((dev->descriptor.idVendor) == 0x066b && - (dev->descriptor.idProduct) == 0x0103) { - USB_STOR_PRINTF("patched for E-USB\n"); - protocol = US_PR_CB; - subclass = US_SC_UFI; /* an assumption */ - } -#endif - if (dev->descriptor.bDeviceClass != 0 || iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE || iface->desc.bInterfaceSubClass < US_SC_MIN || iface->desc.bInterfaceSubClass > US_SC_MAX) { + debug("Not mass storage\n"); /* if it's not a mass storage, we go no further */ return 0; } @@ -1235,41 +1293,32 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, 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"); + debug("\n\nUSB Mass Storage device detected\n"); /* Initialize the us_data structure with some useful info */ ss->flags = flags; ss->ifnum = ifnum; ss->pusb_dev = dev; ss->attention_done = 0; - - /* If the device has subclass and protocol, then use that. Otherwise, - * take data from the specific interface. - */ - if (subclass) { - ss->subclass = subclass; - ss->protocol = protocol; - } else { - ss->subclass = iface->desc.bInterfaceSubClass; - ss->protocol = iface->desc.bInterfaceProtocol; - } + ss->subclass = iface->desc.bInterfaceSubClass; + ss->protocol = iface->desc.bInterfaceProtocol; /* set the handler pointers based on the protocol */ - USB_STOR_PRINTF("Transport: "); + debug("Transport: "); switch (ss->protocol) { case US_PR_CB: - USB_STOR_PRINTF("Control/Bulk\n"); + debug("Control/Bulk\n"); ss->transport = usb_stor_CB_transport; ss->transport_reset = usb_stor_CB_reset; break; case US_PR_CBI: - USB_STOR_PRINTF("Control/Bulk/Interrupt\n"); + debug("Control/Bulk/Interrupt\n"); ss->transport = usb_stor_CB_transport; ss->transport_reset = usb_stor_CB_reset; break; case US_PR_BULK: - USB_STOR_PRINTF("Bulk/Bulk/Bulk\n"); + debug("Bulk/Bulk/Bulk\n"); ss->transport = usb_stor_BBB_transport; ss->transport_reset = usb_stor_BBB_reset; break; @@ -1285,34 +1334,35 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, * We will ignore any others. */ for (i = 0; i < iface->desc.bNumEndpoints; i++) { + ep_desc = &iface->ep_desc[i]; /* is it an BULK endpoint? */ - if ((iface->ep_desc[i].bmAttributes & + if ((ep_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) { - if (iface->ep_desc[i].bEndpointAddress & USB_DIR_IN) - ss->ep_in = iface->ep_desc[i].bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK; + if (ep_desc->bEndpointAddress & USB_DIR_IN) + ss->ep_in = ep_desc->bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK; else ss->ep_out = - iface->ep_desc[i].bEndpointAddress & + ep_desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; } /* is it an interrupt endpoint? */ - if ((iface->ep_desc[i].bmAttributes & - USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) { - ss->ep_int = iface->ep_desc[i].bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK; - ss->irqinterval = iface->ep_desc[i].bInterval; + 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; } } - USB_STOR_PRINTF("Endpoints In %d Out %d Int %d\n", - ss->ep_in, ss->ep_out, ss->ep_int); + debug("Endpoints In %d Out %d Int %d\n", + ss->ep_in, ss->ep_out, ss->ep_int); /* Do some basic sanity checks, and bail if we find a problem */ if (usb_set_interface(dev, iface->desc.bInterfaceNumber, 0) || !ss->ep_in || !ss->ep_out || (ss->protocol == US_PR_CBI && ss->ep_int == 0)) { - USB_STOR_PRINTF("Problems with device\n"); + debug("Problems with device\n"); return 0; } /* set class specific stuff */ @@ -1339,61 +1389,43 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, } int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, - block_dev_desc_t *dev_desc) + struct blk_desc *dev_desc) { unsigned char perq, modi; - unsigned long cap[2]; - unsigned long *capacity, *blksz; + ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); + ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); + u32 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; pccb->lun = dev_desc->lun; - USB_STOR_PRINTF(" address %d\n", dev_desc->target); + debug(" address %d\n", dev_desc->target); - if (usb_inquiry(pccb, ss)) + if (usb_inquiry(pccb, ss)) { + debug("%s: usb_inquiry() failed\n", __func__); return -1; + } perq = usb_stor_buf[0]; modi = usb_stor_buf[1]; - if ((perq & 0x1f) == 0x1f) { - /* skip unknown devices */ + /* + * Skip unknown devices (0x1f) and enclosure service devices (0x0d), + * they would not respond to test_unit_ready . + */ + if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) { + debug("%s: unknown/unsupported device\n", __func__); return 0; } 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); + 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); dev_desc->vendor[8] = 0; dev_desc->product[16] = 0; dev_desc->revision[4] = 0; @@ -1401,8 +1433,8 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, 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]); + debug("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", @@ -1414,36 +1446,97 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, } return 0; } - pccb->pdata = (unsigned char *)&cap[0]; + pccb->pdata = (unsigned char *)cap; memset(pccb->pdata, 0, 8); if (usb_read_capacity(pccb, ss) != 0) { printf("READ_CAP ERROR\n"); cap[0] = 2880; cap[1] = 0x200; } - USB_STOR_PRINTF("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], - cap[1]); + ss->flags &= ~USB_READY; + debug("Read Capacity returns: 0x%08x, 0x%08x\n", cap[0], cap[1]); #if 0 if (cap[0] > (0x200000 * 10)) /* greater than 10 GByte */ cap[0] >>= 16; -#endif + cap[0] = cpu_to_be32(cap[0]); cap[1] = cpu_to_be32(cap[1]); +#endif - /* this assumes bigendian! */ - 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; - USB_STOR_PRINTF(" address %d\n", dev_desc->target); - USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); + capacity = be32_to_cpu(cap[0]) + 1; + blksz = be32_to_cpu(cap[1]); - init_part(dev_desc); + debug("Capacity = 0x%08x, blocksz = 0x%08x\n", capacity, blksz); + dev_desc->lba = capacity; + dev_desc->blksz = blksz; + dev_desc->log2blksz = LOG2(dev_desc->blksz); + dev_desc->type = perq; + debug(" address %d\n", dev_desc->target); - USB_STOR_PRINTF("partype: %d\n", dev_desc->part_type); return 1; } + +#ifdef CONFIG_DM_USB + +static int usb_mass_storage_probe(struct udevice *dev) +{ + struct usb_device *udev = dev_get_parent_priv(dev); + 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, +#ifdef CONFIG_BLK + .platdata_auto_alloc_size = sizeof(struct us_data), +#endif +}; + +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 */ +}; + +U_BOOT_USB_DEVICE(usb_mass_storage, mass_storage_id_table); +#endif + +#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, +}; +#else +U_BOOT_LEGACY_BLK(usb) = { + .if_typename = "usb", + .if_type = IF_TYPE_USB, + .max_devs = USB_MAX_STOR_DEV, + .desc = usb_dev_desc, +}; +#endif