X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fusb_storage.c;h=a91b1c0d2f925eed06881d14ab85afe398eac423;hb=ee3db4fc04714c80196e49f8f3a5f157f20d2862;hp=a4ca7a59577ac5df307b40f99ca64ad793d17057;hpb=20913018fbce5a2e3c93b6eeb56e67460e29542c;p=u-boot diff --git a/common/usb_storage.c b/common/usb_storage.c index a4ca7a5957..a91b1c0d2f 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 @@ -33,9 +35,15 @@ #include #include +#include +#include #include +#include +#include #include #include +#include +#include #include #include @@ -55,57 +63,17 @@ static const unsigned char us_direction[256/8] = { }; #define US_DIRECTION(x) ((us_direction[x>>3] >> (x & 7)) & 1) -static ccb usb_ccb __attribute__((aligned(ARCH_DMA_MINALIGN))); - -/* - * 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 struct scsi_cmd usb_ccb __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); +typedef int (*trans_cmnd)(struct scsi_cmd *cb, struct us_data *data); typedef int (*trans_reset)(struct us_data *data); struct us_data { @@ -127,46 +95,36 @@ struct us_data { unsigned int irqpipe; /* pipe for release_irq */ unsigned char irqmaxp; /* max packed for irq Pipe */ unsigned char irqinterval; /* Intervall for IRQ Pipe */ - ccb *srb; /* current srb */ + struct scsi_cmd *srb; /* current srb */ trans_reset transport_reset; /* reset routine */ trans_cmnd transport; /* transport routine */ + unsigned short max_xfer_blk; /* maximum transfer blocks */ }; -#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, lbaint_t blknr, - lbaint_t blkcnt, void *buffer); -unsigned long usb_stor_write(int device, lbaint_t blknr, - lbaint_t blkcnt, const void *buffer); -struct usb_device * usb_get_dev_index(int index); -void uhci_show_temp_int_td(void); - -#ifdef CONFIG_PARTITIONS -block_dev_desc_t *usb_stor_get_dev(int index) -{ - return (index < usb_max_devs) ? &usb_dev_desc[index] : NULL; -} +#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); static void usb_show_progress(void) { @@ -179,6 +137,20 @@ static 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) { @@ -188,9 +160,13 @@ 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) @@ -208,28 +184,113 @@ static unsigned int usb_get_max_lun(struct us_data *us) return (len > 0) ? *result : 0; } -static int usb_storage_register(struct usb_device *dev, unsigned char iface) +static int usb_stor_probe_device(struct usb_device *udev) { - int lun, max_lun, start = usb_max_devs; - int nb_dev = 0; + int lun, max_lun; - if (!usb_storage_probe(dev, iface, &usb_stor[usb_max_devs])) - return nb_dev; +#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 /* - * OK, it's a storage device. Iterate over its LUNs - * and populate `usb_dev_desc'. + * 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++) { - usb_dev_desc[usb_max_devs].lun = lun; - if (usb_stor_get_info(dev, &usb_stor[start], - &usb_dev_desc[usb_max_devs]) == 1) { - nb_dev++; + 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 nb_dev; + return 0; +} + +void usb_stor_reset(void) +{ + usb_max_devs = 0; } /******************************************************************************* @@ -239,45 +300,26 @@ static int usb_storage_register(struct usb_device *dev, unsigned char iface) */ int usb_stor_scan(int mode) { - unsigned char i, iface; - struct usb_device *dev; - if (mode == 1) 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 */ debug("i=%d\n", i); - if (dev == NULL) - break; /* no more devices available */ - - for (iface = 0; iface < dev->config.no_of_if; iface++) { - usb_max_devs += usb_storage_register(dev, iface); - } - - /* if storage device */ - if (usb_max_devs == USB_MAX_STOR_DEV) { - printf("max USB Storage Device reached: %d stopping\n", - usb_max_devs); + 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; @@ -297,7 +339,7 @@ static int usb_stor_irq(struct usb_device *dev) #ifdef DEBUG -static void usb_show_srb(ccb *pccb) +static void usb_show_srb(struct scsi_cmd *pccb) { int i; printf("SRB: len %d datalen 0x%lX\n ", pccb->cmdlen, pccb->datalen); @@ -347,8 +389,9 @@ static int us_one_transfer(struct us_data *us, int pipe, char *buf, int length) /* set up the transfer loop */ do { /* transfer the data */ - debug("Bulk xfer %p(%d) try #%d\n", - 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); @@ -488,13 +531,13 @@ 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. */ -static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) +static int usb_stor_BBB_comdat(struct scsi_cmd *srb, struct us_data *us) { int result; int actlen; int dir_in; unsigned int pipe; - ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_cbw_t, cbw, 1); + ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_cbw, cbw, 1); dir_in = US_DIRECTION(srb->cmd[0]); @@ -537,7 +580,7 @@ static int usb_stor_BBB_comdat(ccb *srb, struct us_data *us) /* FIXME: we also need a CBI_command which sets up the completion * interrupt, and waits for it */ -static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) +static int usb_stor_CB_comdat(struct scsi_cmd *srb, struct us_data *us) { int result = 0; int dir_in, retry; @@ -606,7 +649,7 @@ static int usb_stor_CB_comdat(ccb *srb, struct us_data *us) } -static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) +static int usb_stor_CBI_get_status(struct scsi_cmd *srb, struct us_data *us) { int timeout; @@ -624,7 +667,7 @@ static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) us->ip_wanted = 0; return USB_STOR_TRANSPORT_ERROR; } - debug("Got interrupt data 0x%x, transfered %d status 0x%lX\n", + 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 */ @@ -655,22 +698,19 @@ static int usb_stor_CBI_get_status(ccb *srb, struct us_data *us) /* clear a stall on an endpoint - special for BBB devices */ 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, NULL, 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); } -static int usb_stor_BBB_transport(ccb *srb, struct us_data *us) +static int usb_stor_BBB_transport(struct scsi_cmd *srb, struct us_data *us) { int result, retry; int dir_in; int actlen, data_actlen; unsigned int pipe, pipein, pipeout; - ALLOC_CACHE_ALIGN_BUFFER(umass_bbb_csw_t, csw, 1); + ALLOC_CACHE_ALIGN_BUFFER(struct umass_bbb_csw, csw, 1); #ifdef BBB_XPORT_TRACE unsigned char *ptr; int index; @@ -787,11 +827,11 @@ again: return result; } -static int usb_stor_CB_transport(ccb *srb, struct us_data *us) +static int usb_stor_CB_transport(struct scsi_cmd *srb, struct us_data *us) { int result, status; - ccb *psrb; - ccb reqsrb; + struct scsi_cmd *psrb; + struct scsi_cmd reqsrb; int retry, notready; psrb = &reqsrb; @@ -899,8 +939,40 @@ do_retry: return USB_STOR_TRANSPORT_FAILED; } +static void usb_stor_set_max_xfer_blk(struct usb_device *udev, + struct us_data *us) +{ + unsigned short blk; + size_t __maybe_unused size; + int __maybe_unused ret; -static int usb_inquiry(ccb *srb, struct us_data *ss) +#ifndef CONFIG_DM_USB +#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 +#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) + size = USHRT_MAX * 512; + blk = size / 512; + } +#endif + + us->max_xfer_blk = blk; +} + +static int usb_inquiry(struct scsi_cmd *srb, struct us_data *ss) { int retry, i; retry = 5; @@ -924,7 +996,7 @@ static int usb_inquiry(ccb *srb, struct us_data *ss) return 0; } -static int usb_request_sense(ccb *srb, struct us_data *ss) +static int usb_request_sense(struct scsi_cmd *srb, struct us_data *ss) { char *ptr; @@ -944,7 +1016,7 @@ static int usb_request_sense(ccb *srb, struct us_data *ss) return 0; } -static int usb_test_unit_ready(ccb *srb, struct us_data *ss) +static int usb_test_unit_ready(struct scsi_cmd *srb, struct us_data *ss) { int retries = 10; @@ -975,7 +1047,7 @@ static int usb_test_unit_ready(ccb *srb, struct us_data *ss) return -1; } -static int usb_read_capacity(ccb *srb, struct us_data *ss) +static int usb_read_capacity(struct scsi_cmd *srb, struct us_data *ss) { int retry; /* XXX retries */ @@ -993,8 +1065,8 @@ static int usb_read_capacity(ccb *srb, struct us_data *ss) return -1; } -static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, - unsigned short blocks) +static int usb_read_10(struct scsi_cmd *srb, struct us_data *ss, + unsigned long start, unsigned short blocks) { memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_READ10; @@ -1010,8 +1082,8 @@ static int usb_read_10(ccb *srb, struct us_data *ss, unsigned long start, return ss->transport(srb, ss); } -static int usb_write_10(ccb *srb, struct us_data *ss, unsigned long start, - unsigned short blocks) +static int usb_write_10(struct scsi_cmd *srb, struct us_data *ss, + unsigned long start, unsigned short blocks) { memset(&srb->cmd[0], 0, 12); srb->cmd[0] = SCSI_WRITE10; @@ -1036,7 +1108,7 @@ 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[], @@ -1051,54 +1123,63 @@ static void usb_bin_fixup(struct usb_device_descriptor descriptor, } #endif /* CONFIG_USB_BIN_FIXUP */ -unsigned long usb_stor_read(int device, lbaint_t blknr, - lbaint_t 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 { lbaint_t start, blks; uintptr_t buf_addr; unsigned short smallblks; - struct usb_device *dev; + struct usb_device *udev; struct us_data *ss; - int retry, i; - ccb *srb = &usb_ccb; + int retry; + struct scsi_cmd *srb = &usb_ccb; +#ifdef CONFIG_BLK + struct blk_desc *block_dev; +#endif if (blkcnt == 0) return 0; - - device &= 0xff; /* Setup device */ - debug("\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; } - ss = (struct us_data *)dev->privptr; +#endif + ss = (struct us_data *)udev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ - srb->lun = usb_dev_desc[device].lun; + srb->lun = block_dev->lun; buf_addr = (uintptr_t)buffer; start = blknr; blks = blkcnt; - debug("\nusb_read: dev %d startblk " LBAF ", blccnt " LBAF - " buffer %" PRIxPTR "\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_XFER_BLK) - smallblks = USB_MAX_XFER_BLK; + if (blks > ss->max_xfer_blk) + smallblks = ss->max_xfer_blk; else smallblks = (unsigned short) blks; retry_it: - if (smallblks == USB_MAX_XFER_BLK) + if (smallblks == ss->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, ss, start, smallblks)) { debug("Read ERROR\n"); @@ -1119,47 +1200,57 @@ retry_it: start, smallblks, buf_addr); usb_disable_asynch(0); /* asynch transfer allowed */ - if (blkcnt >= USB_MAX_XFER_BLK) + if (blkcnt >= ss->max_xfer_blk) debug("\n"); return blkcnt; } -unsigned long usb_stor_write(int device, lbaint_t blknr, - lbaint_t 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 { lbaint_t start, blks; uintptr_t buf_addr; unsigned short smallblks; - struct usb_device *dev; + struct usb_device *udev; struct us_data *ss; - int retry, i; - ccb *srb = &usb_ccb; + int retry; + struct scsi_cmd *srb = &usb_ccb; +#ifdef CONFIG_BLK + struct blk_desc *block_dev; +#endif if (blkcnt == 0) return 0; - device &= 0xff; /* Setup device */ - debug("\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; } - ss = (struct us_data *)dev->privptr; +#endif + ss = (struct us_data *)udev->privptr; usb_disable_asynch(1); /* asynch transfer not allowed */ - srb->lun = usb_dev_desc[device].lun; + srb->lun = block_dev->lun; buf_addr = (uintptr_t)buffer; start = blknr; blks = blkcnt; - debug("\nusb_write: dev %d startblk " LBAF ", blccnt " LBAF - " buffer %" PRIxPTR "\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 @@ -1167,14 +1258,14 @@ unsigned long usb_stor_write(int device, lbaint_t blknr, */ retry = 2; srb->pdata = (unsigned char *)buf_addr; - if (blks > USB_MAX_XFER_BLK) - smallblks = USB_MAX_XFER_BLK; + if (blks > ss->max_xfer_blk) + smallblks = ss->max_xfer_blk; else smallblks = (unsigned short) blks; retry_it: - if (smallblks == USB_MAX_XFER_BLK) + if (smallblks == ss->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, ss, start, smallblks)) { debug("Write ERROR\n"); @@ -1194,7 +1285,7 @@ retry_it: PRIxPTR "\n", start, smallblks, buf_addr); usb_disable_asynch(0); /* asynch transfer allowed */ - if (blkcnt >= USB_MAX_XFER_BLK) + if (blkcnt >= ss->max_xfer_blk) debug("\n"); return blkcnt; @@ -1209,29 +1300,14 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, 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 */ - debug("iVendor %X iProduct %X\n", dev->descriptor.idVendor, - dev->descriptor.idProduct); - - if ((dev->descriptor.idVendor) == 0x066b && - (dev->descriptor.idProduct) == 0x0103) { - debug("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; } @@ -1246,17 +1322,8 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, 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 */ debug("Transport: "); @@ -1339,18 +1406,22 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum, ss->irqmaxp = usb_maxpacket(dev, ss->irqpipe); dev->irq_handle = usb_stor_irq; } + + /* Set the maximum transfer size per host controller setting */ + usb_stor_set_max_xfer_blk(dev, ss); + dev->privptr = (void *)ss; return 1; } 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; ALLOC_CACHE_ALIGN_BUFFER(u32, cap, 2); ALLOC_CACHE_ALIGN_BUFFER(u8, usb_stor_buf, 36); u32 capacity, blksz; - ccb *pccb = &usb_ccb; + struct scsi_cmd *pccb = &usb_ccb; pccb->pdata = usb_stor_buf; @@ -1358,8 +1429,10 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, pccb->lun = dev_desc->lun; 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]; @@ -1369,6 +1442,7 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, * 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) { @@ -1392,10 +1466,8 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, " Request Sense returned %02X %02X %02X\n", pccb->sense_buf[2], pccb->sense_buf[12], pccb->sense_buf[13]); - if (dev_desc->removable == 1) { + if (dev_desc->removable == 1) dev_desc->type = perq; - return 1; - } return 0; } pccb->pdata = (unsigned char *)cap; @@ -1424,10 +1496,71 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss, dev_desc->log2blksz = LOG2(dev_desc->blksz); dev_desc->type = perq; debug(" address %d\n", dev_desc->target); - debug("partype: %d\n", dev_desc->part_type); - - init_part(dev_desc); - debug("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