mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
b528f71394
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>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
|
|
* 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__ */
|