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;
}
static int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
const char *usb_controller;
const char *devtype;
const char *devnum;
unsigned int controller_index;
int rc;
int cable_ready_timeout __maybe_unused;
if (argc < 3)
return CMD_RET_USAGE;
usb_controller = argv[1];
if (argc >= 4) {
devtype = argv[2];
devnum = argv[3];
} else {
devtype = "mmc";
devnum = argv[2];
}
rc = ums_init(devtype, devnum);
if (rc < 0)
return CMD_RET_FAILURE;
controller_index = (unsigned int)(simple_strtoul(
usb_controller, NULL, 0));
if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
pr_err("Couldn't init USB controller.\n");
rc = CMD_RET_FAILURE;
goto cleanup_ums_init;
}
rc = fsg_init(ums, ums_count);
if (rc) {
pr_err("fsg_init failed\n");
rc = CMD_RET_FAILURE;
goto cleanup_board;
}
rc = g_dnl_register("usb_dnl_ums");
if (rc) {
pr_err("g_dnl_register failed\n");
rc = CMD_RET_FAILURE;
goto cleanup_board;
}
/* Timeout unit: seconds */
cable_ready_timeout = UMS_CABLE_READY_TIMEOUT;
if (!g_dnl_board_usb_cable_connected()) {
/*
* Won't execute if we don't know whether the cable is
* connected.
*/
puts("Please connect USB cable.\n");
while (!g_dnl_board_usb_cable_connected()) {
if (ctrlc()) {
puts("\rCTRL+C - Operation aborted.\n");
rc = CMD_RET_SUCCESS;
goto cleanup_register;
}
if (!cable_ready_timeout) {
puts("\rUSB cable not detected.\n" \
"Command exit.\n");
rc = CMD_RET_SUCCESS;
goto cleanup_register;
}
printf("\rAuto exit in: %.2d s.", cable_ready_timeout);
mdelay(1000);
cable_ready_timeout--;
}
puts("\r\n");
}
while (1) {
usb_gadget_handle_interrupts(controller_index);
rc = fsg_main_thread(NULL);
if (rc) {
/* Check I/O error */
if (rc == -EIO)
printf("\rCheck USB cable connection\n");
/* Check CTRL+C */
if (rc == -EPIPE)
printf("\rCTRL+C - Operation aborted\n");
rc = CMD_RET_SUCCESS;
goto cleanup_register;
}
}
cleanup_register:
g_dnl_unregister();
cleanup_board:
board_usb_cleanup(controller_index, USB_INIT_DEVICE);
cleanup_ums_init:
ums_fini();
return rc;
}
