X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=common%2Fcmd_dfu.c;h=857148f8afef2562098358bc6615506d14716fc3;hb=fe907a3128920f1a6de0ed57410df00653c1b629;hp=83ef32497a865bf63586d024c54de07bea62e515;hpb=3c47f2f4871c345c20b9d986b11fec550ef6cc9f;p=karo-tx-uboot.git

diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
index 83ef32497a..857148f8af 100644
--- a/common/cmd_dfu.c
+++ b/common/cmd_dfu.c
@@ -5,80 +5,88 @@
  * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
  *	    Lukasz Majewski <l.majewski@samsung.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
-#include <command.h>
-#include <malloc.h>
+#include <watchdog.h>
 #include <dfu.h>
-#include <asm/errno.h>
 #include <g_dnl.h>
+#include <usb.h>
 
 static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	const char *str_env;
-	char *s = "dfu";
-	char *env_bkp;
-	int ret;
+	bool dfu_reset = false;
 
-	if (argc < 3)
+	if (argc < 4)
 		return CMD_RET_USAGE;
 
-	str_env = getenv("dfu_alt_info");
-	if (str_env == NULL) {
-		printf("%s: \"dfu_alt_info\" env variable not defined!\n",
-		       __func__);
-		return CMD_RET_FAILURE;
-	}
+	char *usb_controller = argv[1];
+	char *interface = argv[2];
+	char *devstring = argv[3];
 
-	env_bkp = strdup(str_env);
-	ret = dfu_config_entities(env_bkp, argv[1],
-			    (int)simple_strtoul(argv[2], NULL, 10));
+	int ret, i = 0;
+
+	ret = dfu_init_env_entities(interface, devstring);
 	if (ret)
-		return CMD_RET_FAILURE;
+		goto done;
 
-	if (argc > 3 && strcmp(argv[3], "list") == 0) {
+	ret = CMD_RET_SUCCESS;
+	if (argc > 4 && strcmp(argv[4], "list") == 0) {
 		dfu_show_entities();
 		goto done;
 	}
 
-#ifdef CONFIG_TRATS
-	board_usb_init();
-#endif
-
-	g_dnl_register(s);
+	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;
+		}
+
 		if (ctrlc())
 			goto exit;
 
-		usb_gadget_handle_interrupts();
+		WATCHDOG_RESET();
+		usb_gadget_handle_interrupts(controller_index);
 	}
 exit:
 	g_dnl_unregister();
+	board_usb_cleanup(controller_index, USB_INIT_DEVICE);
 done:
 	dfu_free_entities();
-	free(env_bkp);
 
-	return CMD_RET_SUCCESS;
+	if (dfu_reset)
+		run_command("reset", 0);
+
+	g_dnl_clear_detach();
+
+	return ret;
 }
 
 U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
 	"Device Firmware Upgrade",
-	"<interface> <dev> [list]\n"
-	"  - device firmware upgrade on a device <dev>\n"
-	"    attached to interface <interface>\n"
-	"    [list] - list available alt settings"
+	"<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"
 );