From b528f71394038e593a116bd70f6409fabd147ea6 Mon Sep 17 00:00:00 2001 From: Lukasz Majewski Date: Tue, 5 Mar 2013 12:10:17 +0100 Subject: 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 Signed-off-by: Piotr Wilczek Signed-off-by: Kyungmin Park CC: Marek Vasut --- include/usb_mass_storage.h | 55 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 include/usb_mass_storage.h (limited to 'include/usb_mass_storage.h') 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 + * + * 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 + +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__ */ -- cgit v1.1