2 * Copyright (C) 2011 Samsung Electronics
3 * Lukasz Majewski <l.majewski@samsung.com>
5 * SPDX-License-Identifier: GPL-2.0+
13 #include <usb_mass_storage.h>
15 int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
16 int argc, char * const argv[])
21 const char *usb_controller = argv[1];
22 const char *mmc_devstring = argv[2];
24 unsigned int dev_num = simple_strtoul(mmc_devstring, NULL, 0);
26 struct ums *ums = ums_init(dev_num);
28 return CMD_RET_FAILURE;
30 unsigned int controller_index = (unsigned int)(simple_strtoul(
31 usb_controller, NULL, 0));
32 if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
33 error("Couldn't init USB controller.");
34 return CMD_RET_FAILURE;
37 int rc = fsg_init(ums);
39 error("fsg_init failed");
40 return CMD_RET_FAILURE;
43 rc = g_dnl_register("usb_dnl_ums");
45 error("g_dnl_register failed");
46 return CMD_RET_FAILURE;
49 /* Timeout unit: seconds */
50 int cable_ready_timeout = UMS_CABLE_READY_TIMEOUT;
52 if (!g_dnl_board_usb_cable_connected()) {
54 * Won't execute if we don't know whether the cable is
57 puts("Please connect USB cable.\n");
59 while (!g_dnl_board_usb_cable_connected()) {
61 puts("\rCTRL+C - Operation aborted.\n");
64 if (!cable_ready_timeout) {
65 puts("\rUSB cable not detected.\n" \
70 printf("\rAuto exit in: %.2d s.", cable_ready_timeout);
72 cable_ready_timeout--;
78 usb_gadget_handle_interrupts();
80 rc = fsg_main_thread(NULL);
84 printf("\rCheck USB cable connection\n");
88 printf("\rCTRL+C - Operation aborted\n");
95 return CMD_RET_SUCCESS;
98 U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
99 "Use the UMS [User Mass Storage]",
100 "ums <USB_controller> <mmc_dev> e.g. ums 0 0"