Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_dfu.c

diff --git a/qemu/roms/u-boot/common/cmd_dfu.c b/qemu/roms/u-boot/common/cmd_dfu.c
new file mode 100644 (file)
index 0000000..a03538d
--- /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"
+);