Add support for scanning USB storage devices with driver model. This mostly
involves adding a USB device ID for storage devices.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
common/usb_storage.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 49 insertions(+), 2 deletions(-)
diff --git a/common/usb_storage.c b/common/usb_storage.c
index 67494b7..8b8962e 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 <ga...@denx.de>
@@ -33,11 +35,13 @@
#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>
@@ -106,7 +110,6 @@ struct us_data {
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
@@ -119,7 +122,6 @@ 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
@@ -223,6 +225,7 @@ 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
@@ -253,6 +256,7 @@ int usb_stor_scan(int mode)
return 0;
return -1;
}
+#endif
static int usb_stor_irq(struct usb_device *dev)
{
@@ -1396,3 +1400,46 @@ int usb_stor_get_info(struct usb_device *dev, struct
us_data *ss,
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 */
+};
+
+USB_DEVICE(usb_mass_storage, mass_storage_id_table);
+
+#endif
--
2.2.0.rc0.207.ga3a616c
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