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 sjg@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 garyj@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