*
* 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 <garyj@denx.de>
#include <common.h>
#include <command.h>
+#include <dm.h>
+#include <errno.h>
#include <inttypes.h>
+#include <mapmem.h>
#include <asm/byteorder.h>
#include <asm/processor.h>
+#include <dm/device-internal.h>
#include <part.h>
#include <usb.h>
#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 __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 struct us_data usb_stor[USB_MAX_STOR_DEV];
-
#define USB_STOR_TRANSPORT_GOOD 0
#define USB_STOR_TRANSPORT_FAILED -1
#define USB_STOR_TRANSPORT_ERROR -2
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
return (len > 0) ? *result : 0;
}
+static int usb_stor_probe_device(struct usb_device *dev)
+{
+ if (dev == NULL)
+ return -ENOENT; /* no more devices available */
+
+ debug("\n\nProbing for storage\n");
+ 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++) {
+ struct block_dev_desc *blkdev;
+
+ blkdev = &usb_dev_desc[usb_max_devs];
+ memset(blkdev, '\0', sizeof(block_dev_desc_t));
+ blkdev->if_type = IF_TYPE_USB;
+ blkdev->dev = 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 = dev;
+
+ if (usb_stor_get_info(dev, &usb_stor[start],
+ &usb_dev_desc[usb_max_devs]) ==
+ 1) {
+ usb_max_devs++;
+ debug("%s: Found device %p\n", __func__, dev);
+ }
+ }
+ }
+
+ /* if storage device */
+ if (usb_max_devs == USB_MAX_STOR_DEV) {
+ printf("max USB Storage Device reached: %d stopping\n",
+ usb_max_devs);
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
+void usb_stor_reset(void)
+{
+ usb_max_devs = 0;
+}
+
+#ifndef CONFIG_DM_USB
/*******************************************************************************
* scan the usb and reports device info
* to the user if mode = 1
int usb_stor_scan(int mode)
{
unsigned char i;
- struct usb_device *dev;
if (mode == 1)
printf(" scanning usb for storage devices... ");
usb_disable_asynch(1); /* asynch transfer not allowed */
- 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_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 */
-
- 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);
+ if (usb_stor_probe_device(dev))
break;
- }
} /* for */
usb_disable_asynch(0); /* asynch transfer allowed */
return 0;
return -1;
}
+#endif
static int usb_stor_irq(struct usb_device *dev)
{
/* set up the transfer loop */
do {
/* transfer the data */
- debug("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);
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]);
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,
&actlen, USB_CNTL_TIMEOUT * 5);
(void *) &us->ip_data, us->irqmaxp, us->irqinterval);
timeout = 1000;
while (timeout--) {
- if ((volatile int *) us->ip_wanted == NULL)
+ if (us->ip_wanted == 0)
break;
mdelay(10);
}
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;
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 */
unsigned short smallblks;
struct usb_device *dev;
struct us_data *ss;
- int retry, i;
+ int retry;
ccb *srb = &usb_ccb;
if (blkcnt == 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;
+ debug("\nusb_read: dev %d\n", device);
+ dev = usb_dev_desc[device].priv;
+ if (!dev) {
+ debug("%s: No device\n", __func__);
+ return 0;
}
ss = (struct us_data *)dev->privptr;
usb_disable_asynch(1); /* asynch transfer not allowed */
srb->lun = usb_dev_desc[device].lun;
- buf_addr = (unsigned long)buffer;
+ buf_addr = (uintptr_t)buffer;
start = blknr;
blks = blkcnt;
unsigned short smallblks;
struct usb_device *dev;
struct us_data *ss;
- int retry, i;
+ int retry;
ccb *srb = &usb_ccb;
if (blkcnt == 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;
- }
+ debug("\nusb_write: dev %d\n", device);
+ dev = usb_dev_desc[device].priv;
+ if (!dev)
+ return 0;
ss = (struct us_data *)dev->privptr;
usb_disable_asynch(1); /* asynch transfer not allowed */
srb->lun = usb_dev_desc[device].lun;
- buf_addr = (unsigned long)buffer;
+ buf_addr = (uintptr_t)buffer;
start = blknr;
blks = blkcnt;
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;
}
block_dev_desc_t *dev_desc)
{
unsigned char perq, modi;
- ALLOC_CACHE_ALIGN_BUFFER(unsigned long, cap, 2);
- ALLOC_CACHE_ALIGN_BUFFER(unsigned char, usb_stor_buf, 36);
- 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;
pccb->pdata = usb_stor_buf;
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];
* 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], (const void *) &usb_stor_buf[8], 8);
- memcpy(&dev_desc->product[0], (const void *) &usb_stor_buf[16], 16);
- memcpy(&dev_desc->revision[0], (const void *) &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;
}
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[1] = 0x200;
}
ss->flags &= ~USB_READY;
- debug("Read Capacity returns: 0x%lx, 0x%lx\n", cap[0], cap[1]);
+ 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];
- debug("Capacity = 0x%lx, blocksz = 0x%lx\n", *capacity, *blksz);
- dev_desc->lba = *capacity;
- dev_desc->blksz = *blksz;
+ capacity = be32_to_cpu(cap[0]) + 1;
+ blksz = be32_to_cpu(cap[1]);
+
+ 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);
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_parentdata(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,
+};
+
+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
projects / karo-tx-uboot.git / blobdiff