common: dfu: saperate the dfu common functionality

The cmd_dfu functionality is been used by both SPL and
u-boot, saperating the core dfu functionality moving
it to common/dfu.c.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

1 files changed, 2 insertions, 59 deletions

diff --git a/cmd/dfu.c b/cmd/dfu.c
index d8aae26223..04291f6c08 100644
--- a/cmd/dfu.c
+++ b/cmd/dfu.c
@@ -21,7 +21,6 @@
 
 static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	bool dfu_reset = false;
 
 	if (argc < 4)
 		return CMD_RET_USAGE;
@@ -30,7 +29,7 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	char *interface = argv[2];
 	char *devstring = argv[3];
 
-	int ret, i = 0;
+	int ret;
 #ifdef CONFIG_DFU_TFTP
 	unsigned long addr = 0;
 	if (!strcmp(argv[1], "tftp")) {
@@ -52,67 +51,11 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	}
 
 	int controller_index = simple_strtoul(usb_controller, NULL, 0);
-	board_usb_init(controller_index, USB_INIT_DEVICE);
-	g_dnl_clear_detach();
-	g_dnl_register("usb_dnl_dfu");
-	while (1) {
-		if (g_dnl_detach()) {
-			/*
-			 * Check if USB bus reset is performed after detach,
-			 * which indicates that -R switch has been passed to
-			 * dfu-util. In this case reboot the device
-			 */
-			if (dfu_usb_get_reset()) {
-				dfu_reset = true;
-				goto exit;
-			}
 
-			/*
-			 * This extra number of usb_gadget_handle_interrupts()
-			 * calls is necessary to assure correct transmission
-			 * completion with dfu-util
-			 */
-			if (++i == 10000)
-				goto exit;
-		}
+	run_usb_dnl_gadget(controller_index, "usb_dnl_dfu");
 
-		if (ctrlc())
-			goto exit;
-
-		if (dfu_get_defer_flush()) {
-			/*
-			 * Call to usb_gadget_handle_interrupts() is necessary
-			 * to act on ZLP OUT transaction from HOST PC after
-			 * transmitting the whole file.
-			 *
-			 * If this ZLP OUT packet is NAK'ed, the HOST libusb
-			 * function fails after timeout (by default it is set to
-			 * 5 seconds). In such situation the dfu-util program
-			 * exits with error message.
-			 */
-			usb_gadget_handle_interrupts(controller_index);
-			ret = dfu_flush(dfu_get_defer_flush(), NULL, 0, 0);
-			dfu_set_defer_flush(NULL);
-			if (ret) {
-				error("Deferred dfu_flush() failed!");
-				goto exit;
-			}
-		}
-
-		WATCHDOG_RESET();
-		usb_gadget_handle_interrupts(controller_index);
-	}
-exit:
-	g_dnl_unregister();
-	board_usb_cleanup(controller_index, USB_INIT_DEVICE);
 done:
 	dfu_free_entities();
-
-	if (dfu_reset)
-		run_command("reset", 0);
-
-	g_dnl_clear_detach();
-
 	return ret;
 }