Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 117 insertions, 0 deletions

diff --git a/roms/u-boot/common/dfu.c b/roms/u-boot/common/dfu.c
new file mode 100644
index 000000000..16bd1ba58
--- /dev/null
+++ b/roms/u-boot/common/dfu.c
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * dfu.c -- dfu command
+ *
+ * Copyright (C) 2015
+ * Lukasz Majewski <l.majewski@majess.pl>
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ *	    Lukasz Majewski <l.majewski@samsung.com>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <log.h>
+#include <watchdog.h>
+#include <dfu.h>
+#include <console.h>
+#include <g_dnl.h>
+#include <usb.h>
+#include <net.h>
+
+int run_usb_dnl_gadget(int usbctrl_index, char *usb_dnl_gadget)
+{
+	bool dfu_reset = false;
+	int ret, i = 0;
+
+	ret = usb_gadget_initialize(usbctrl_index);
+	if (ret) {
+		pr_err("usb_gadget_initialize failed\n");
+		return CMD_RET_FAILURE;
+	}
+	g_dnl_clear_detach();
+	ret = g_dnl_register(usb_dnl_gadget);
+	if (ret) {
+		pr_err("g_dnl_register failed");
+		return CMD_RET_FAILURE;
+	}
+
+#ifdef CONFIG_DFU_TIMEOUT
+	unsigned long start_time = get_timer(0);
+#endif
+
+	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;
+		}
+
+		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(usbctrl_index);
+			ret = dfu_flush(dfu_get_defer_flush(), NULL, 0, 0);
+			dfu_set_defer_flush(NULL);
+			if (ret) {
+				pr_err("Deferred dfu_flush() failed!");
+				goto exit;
+			}
+		}
+
+#ifdef CONFIG_DFU_TIMEOUT
+		unsigned long wait_time = dfu_get_timeout();
+
+		if (wait_time) {
+			unsigned long current_time = get_timer(start_time);
+
+			if (current_time > wait_time) {
+				debug("Inactivity timeout, abort DFU\n");
+				goto exit;
+			}
+		}
+#endif
+
+		if (dfu_reinit_needed)
+			goto exit;
+
+		WATCHDOG_RESET();
+		usb_gadget_handle_interrupts(usbctrl_index);
+	}
+exit:
+	g_dnl_unregister();
+	usb_gadget_release(usbctrl_index);
+
+	if (dfu_reset)
+		do_reset(NULL, 0, 0, NULL);
+
+	g_dnl_clear_detach();
+
+	return ret;
+}