*
* 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>
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)
{
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