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>
diff --git a/common/Makefile b/common/Makefile
index 6b4456e..ecc23e6 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -89,6 +89,7 @@
endif # !CONFIG_SPL_BUILD
ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_SPL_DFU_SUPPORT) += dfu.o
obj-$(CONFIG_SPL_DFU_SUPPORT) += cli_hush.o
obj-$(CONFIG_SPL_HASH_SUPPORT) += hash.o
obj-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
@@ -172,6 +173,7 @@
obj-y += cli.o
obj-$(CONFIG_CMDLINE) += cli_readline.o
+obj-$(CONFIG_CMD_DFU) += dfu.o
obj-y += command.o
obj-y += s_record.o
obj-y += xyzModem.o
diff --git a/common/dfu.c b/common/dfu.c
new file mode 100644
index 0000000..14b60f1
--- /dev/null
+++ b/common/dfu.c
@@ -0,0 +1,87 @@
+/*
+ * 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>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.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;
+
+ board_usb_init(usbctrl_index, USB_INIT_DEVICE);
+ g_dnl_clear_detach();
+ g_dnl_register(usb_dnl_gadget);
+ 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) {
+ error("Deferred dfu_flush() failed!");
+ goto exit;
+ }
+ }
+
+ WATCHDOG_RESET();
+ usb_gadget_handle_interrupts(usbctrl_index);
+ }
+exit:
+ g_dnl_unregister();
+ board_usb_cleanup(usbctrl_index, USB_INIT_DEVICE);
+
+ if (dfu_reset)
+ run_command("reset", 0);
+
+ g_dnl_clear_detach();
+
+ return ret;
+}