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https://github.com/brain-hackers/u-boot-brain
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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>
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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* Copyright (C) 2011 Samsung Electrnoics
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* Lukasz Majewski <l.majewski@samsung.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* aloong with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __USB_MASS_STORAGE_H__
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#define __USB_MASS_STORAGE_H__
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#define SECTOR_SIZE 0x200
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#include <mmc.h>
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struct ums_device {
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struct mmc *mmc;
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int dev_num;
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int offset;
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int part_size;
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};
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struct ums_board_info {
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int (*read_sector)(struct ums_device *ums_dev,
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ulong start, lbaint_t blkcnt, void *buf);
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int (*write_sector)(struct ums_device *ums_dev,
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ulong start, lbaint_t blkcnt, const void *buf);
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void (*get_capacity)(struct ums_device *ums_dev,
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long long int *capacity);
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const char *name;
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struct ums_device ums_dev;
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};
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extern void board_usb_init(void);
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extern int fsg_init(struct ums_board_info *);
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extern void fsg_cleanup(void);
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extern struct ums_board_info *board_ums_init(unsigned int,
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unsigned int, unsigned int);
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extern int usb_gadget_handle_interrupts(void);
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extern int fsg_main_thread(void *);
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#endif /* __USB_MASS_STORAGE_H__ */
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