1 files changed, 97 insertions, 0 deletions
diff --git a/roms/u-boot/common/cmd_usb_mass_storage.c b/roms/u-boot/common/cmd_usb_mass_storage.c
new file mode 100644
index 00000000..d8d9efd4
--- /dev/null
+++ b/roms/u-boot/common/cmd_usb_mass_storage.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <errno.h>
+#include <common.h>
+#include <command.h>
+#include <g_dnl.h>
+#include <usb.h>
+#include <usb_mass_storage.h>
+
+int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
+			       int argc, char * const argv[])
+{
+	if (argc < 3)
+		return CMD_RET_USAGE;
+
+	const char *usb_controller = argv[1];
+	const char *mmc_devstring  = argv[2];
+
+	unsigned int dev_num = simple_strtoul(mmc_devstring, NULL, 0);
+
+	struct ums *ums = ums_init(dev_num);
+	if (!ums)
+		return CMD_RET_FAILURE;
+
+	unsigned int controller_index = (unsigned int)(simple_strtoul(
+					usb_controller,	NULL, 0));
+	if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
+		error("Couldn't init USB controller.");
+		return CMD_RET_FAILURE;
+	}
+
+	int rc = fsg_init(ums);
+	if (rc) {
+		error("fsg_init failed");
+		return CMD_RET_FAILURE;
+	}
+
+	g_dnl_register("usb_dnl_ums");
+
+	/* Timeout unit: seconds */
+	int 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");
+				goto exit;
+			}
+			if (!cable_ready_timeout) {
+				puts("\rUSB cable not detected.\n" \
+				     "Command exit.\n");
+				goto exit;
+			}
+
+			printf("\rAuto exit in: %.2d s.", cable_ready_timeout);
+			mdelay(1000);
+			cable_ready_timeout--;
+		}
+		puts("\r\n");
+	}
+
+	while (1) {
+		usb_gadget_handle_interrupts();
+
+		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");
+
+			goto exit;
+		}
+	}
+exit:
+	g_dnl_unregister();
+	return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
+	"Use the UMS [User Mass Storage]",
+	"ums <USB_controller> <mmc_dev>  e.g. ums 0 0"
+);