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authorLukasz Majewski <l.majewski@samsung.com>2013-03-05 12:10:17 +0100
committerMarek Vasut <marex@denx.de>2013-03-18 18:58:53 +0100
commitb528f71394038e593a116bd70f6409fabd147ea6 (patch)
treea03ed4c2e01df789db55ad211b70d6ac93c517f3 /include/usb_mass_storage.h
parentb4d36f6809f3029b6fe05d523abb13c6fa76450a (diff)
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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/usb_mass_storage.h')
-rw-r--r--include/usb_mass_storage.h55
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__ */