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| author | Mateusz Zalega <m.zalega@samsung.com> | 2013-10-04 19:22:26 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-10-20 23:42:40 +0200 |
| commit | 16297cfb2a20c9d89834cd9e31edac5184a777a1 (patch) | |
| tree | f75f4bccfd6ef79f4953c02f73c5245bc1bdb34d /include/usb.h | |
| parent | f3d7cff55951e0b47bad150bf5c329bd577e2ce5 (diff) | |
| download | u-boot-imx-16297cfb2a20c9d89834cd9e31edac5184a777a1.zip u-boot-imx-16297cfb2a20c9d89834cd9e31edac5184a777a1.tar.gz u-boot-imx-16297cfb2a20c9d89834cd9e31edac5184a777a1.tar.bz2 | |
usb: new board-specific USB init interface
This commit unifies board-specific USB initialization implementations
under one symbol (usb_board_init), declaration of which is available in
usb.h.
New API allows selective initialization of USB controllers whenever needed.
Signed-off-by: Mateusz Zalega <m.zalega@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/include/usb.h b/include/usb.h index a96ec23..17fb68c 100644 --- a/include/usb.h +++ b/include/usb.h @@ -167,10 +167,36 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, extern void udc_disconnect(void); -#else -#error USB Lowlevel not defined #endif +/* + * You can initialize platform's USB host or device + * ports by passing this enum as an argument to + * board_usb_init(). + */ +enum board_usb_init_type { + USB_INIT_HOST, + USB_INIT_DEVICE +}; + +/* + * board-specific hardware initialization, called by + * usb drivers and u-boot commands + * + * @param index USB controller number + * @param init initializes controller as USB host or device + */ +int board_usb_init(int index, enum board_usb_init_type init); + +/* + * can be used to clean up after failed USB initialization attempt + * vide: board_usb_init() + * + * @param index USB controller number for selective cleanup + * @param init board_usb_init_type passed to board_usb_init() + */ +int board_usb_cleanup(int index, enum board_usb_init_type init); + #ifdef CONFIG_USB_STORAGE #define USB_MAX_STOR_DEV 5 |