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author | Tom Rini <trini@ti.com> | 2013-03-18 15:33:47 -0400 |
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committer | Tom Rini <trini@ti.com> | 2013-03-18 15:33:47 -0400 |
commit | 3c47f2f4871c345c20b9d986b11fec550ef6cc9f (patch) | |
tree | 267c6eedacaa02cc8c7096f67bedb9d17fe3e21d /common/cmd_usb_mass_storage.c | |
parent | 0ce033d2582129243aca10d3072a221386bbba44 (diff) | |
parent | ae003d057077d792c1f2131753a7596c94e0bba4 (diff) | |
download | talos-obmc-uboot-3c47f2f4871c345c20b9d986b11fec550ef6cc9f.tar.gz talos-obmc-uboot-3c47f2f4871c345c20b9d986b11fec550ef6cc9f.zip |
Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'common/cmd_usb_mass_storage.c')
-rw-r--r-- | common/cmd_usb_mass_storage.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/common/cmd_usb_mass_storage.c b/common/cmd_usb_mass_storage.c new file mode 100644 index 0000000000..87a5f2f3ad --- /dev/null +++ b/common/cmd_usb_mass_storage.c @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * 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 + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <errno.h> +#include <common.h> +#include <command.h> +#include <g_dnl.h> +#include <usb_mass_storage.h> + +int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag, + int argc, char * const argv[]) +{ + char *ep; + unsigned int dev_num = 0, offset = 0, part_size = 0; + int rc; + + struct ums_board_info *ums_info; + static char *s = "ums"; + + if (argc < 2) { + printf("usage: ums <dev> - e.g. ums 0\n"); + return 0; + } + + dev_num = (int)simple_strtoul(argv[1], &ep, 16); + + if (dev_num) { + puts("\nSet eMMC device to 0! - e.g. ums 0\n"); + goto fail; + } + + board_usb_init(); + ums_info = board_ums_init(dev_num, offset, part_size); + + if (!ums_info) { + printf("MMC: %d -> NOT available\n", dev_num); + goto fail; + } + rc = fsg_init(ums_info); + if (rc) { + printf("cmd ums: fsg_init failed\n"); + goto fail; + } + + g_dnl_register(s); + + while (1) { + /* Handle control-c and timeouts */ + if (ctrlc()) { + printf("The remote end did not respond in time.\n"); + goto exit; + } + usb_gadget_handle_interrupts(); + /* Check if USB cable has been detached */ + if (fsg_main_thread(NULL) == EIO) + goto exit; + } +exit: + g_dnl_unregister(); + return 0; + +fail: + return -1; +} + +U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage, + "Use the UMS [User Mass Storage]", + "ums - User Mass Storage Gadget" +); |