1 files changed, 74 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_dfu.c b/qemu/roms/u-boot/common/cmd_dfu.c
new file mode 100644
index 000000000..a03538dab
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_dfu.c
@@ -0,0 +1,74 @@
+/*
+ * cmd_dfu.c -- dfu command
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ *	    Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <dfu.h>
+#include <g_dnl.h>
+#include <usb.h>
+
+static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	if (argc < 4)
+		return CMD_RET_USAGE;
+
+	char *usb_controller = argv[1];
+	char *interface = argv[2];
+	char *devstring = argv[3];
+
+	int ret, i = 0;
+
+	ret = dfu_init_env_entities(interface, simple_strtoul(devstring,
+							      NULL, 10));
+	if (ret)
+		return ret;
+
+	if (argc > 4 && strcmp(argv[4], "list") == 0) {
+		dfu_show_entities();
+		goto done;
+	}
+
+	int controller_index = simple_strtoul(usb_controller, NULL, 0);
+	board_usb_init(controller_index, USB_INIT_DEVICE);
+
+	g_dnl_register("usb_dnl_dfu");
+	while (1) {
+		if (dfu_reset())
+			/*
+			 * This extra number of usb_gadget_handle_interrupts()
+			 * calls is necessary to assure correct transmission
+			 * completion with dfu-util
+			 */
+			if (++i == 10)
+				goto exit;
+
+		if (ctrlc())
+			goto exit;
+
+		usb_gadget_handle_interrupts();
+	}
+exit:
+	g_dnl_unregister();
+done:
+	dfu_free_entities();
+
+	if (dfu_reset())
+		run_command("reset", 0);
+
+	return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
+	"Device Firmware Upgrade",
+	"<USB_controller> <interface> <dev> [list]\n"
+	"  - device firmware upgrade via <USB_controller>\n"
+	"    on device <dev>, attached to interface\n"
+	"    <interface>\n"
+	"    [list] - list available alt settings\n"
+);