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| author | Lukasz Majewski <l.majewski@samsung.com> | 2013-03-05 12:10:17 +0100 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-03-18 18:58:53 +0100 |
| commit | b528f71394038e593a116bd70f6409fabd147ea6 (patch) | |
| tree | a03ed4c2e01df789db55ad211b70d6ac93c517f3 /include | |
| parent | b4d36f6809f3029b6fe05d523abb13c6fa76450a (diff) | |
| download | u-boot-imx-b528f71394038e593a116bd70f6409fabd147ea6.zip u-boot-imx-b528f71394038e593a116bd70f6409fabd147ea6.tar.gz u-boot-imx-b528f71394038e593a116bd70f6409fabd147ea6.tar.bz2 | |
usb:gadget: USB Mass Storage Gadget support
This patch adds the USB Mass Storage Gadget to u-boot
New command called "ums" is implemented to provide access
to on-device embedded persistent memory.
USB Mass Storage is supposed to work on top of the USB
Gadget framework
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/usb_mass_storage.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/usb_mass_storage.h b/include/usb_mass_storage.h new file mode 100644 index 0000000..ffc3a13 --- /dev/null +++ b/include/usb_mass_storage.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2011 Samsung Electrnoics + * Lukasz Majewski <l.majewski@samsung.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * aloong with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __USB_MASS_STORAGE_H__ +#define __USB_MASS_STORAGE_H__ + +#define SECTOR_SIZE 0x200 + +#include <mmc.h> + +struct ums_device { + struct mmc *mmc; + int dev_num; + int offset; + int part_size; +}; + +struct ums_board_info { + int (*read_sector)(struct ums_device *ums_dev, + ulong start, lbaint_t blkcnt, void *buf); + int (*write_sector)(struct ums_device *ums_dev, + ulong start, lbaint_t blkcnt, const void *buf); + void (*get_capacity)(struct ums_device *ums_dev, + long long int *capacity); + const char *name; + struct ums_device ums_dev; +}; + +extern void board_usb_init(void); + +extern int fsg_init(struct ums_board_info *); +extern void fsg_cleanup(void); +extern struct ums_board_info *board_ums_init(unsigned int, + unsigned int, unsigned int); +extern int usb_gadget_handle_interrupts(void); +extern int fsg_main_thread(void *); + +#endif /* __USB_MASS_STORAGE_H__ */ |