* 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 (strcmp(argv[3], "list") == 0) {
+ ret = CMD_RET_SUCCESS;
+ if (argc > 4 && strcmp(argv[4], "list") == 0) {
dfu_show_entities();
goto done;
}
- board_usb_init();
- 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"
);