summaryrefslogtreecommitdiff
path: root/cmd/dfu.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/dfu.c')
-rw-r--r--cmd/dfu.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/cmd/dfu.c b/cmd/dfu.c
new file mode 100644
index 0000000..6d95ce9
--- /dev/null
+++ b/cmd/dfu.c
@@ -0,0 +1,113 @@
+/*
+ * cmd_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>
+
+static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ bool dfu_reset = false;
+
+ if (argc < 4)
+ return CMD_RET_USAGE;
+
+ char *usb_controller = argv[1];
+ char *interface = argv[2];
+ char *devstring = argv[3];
+
+ int ret, i = 0;
+#ifdef CONFIG_DFU_TFTP
+ unsigned long addr = 0;
+ if (!strcmp(argv[1], "tftp")) {
+ if (argc == 5)
+ addr = simple_strtoul(argv[4], NULL, 0);
+
+ return update_tftp(addr, interface, devstring);
+ }
+#endif
+
+ ret = dfu_init_env_entities(interface, devstring);
+ if (ret)
+ goto done;
+
+ ret = CMD_RET_SUCCESS;
+ 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_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;
+
+ WATCHDOG_RESET();
+ usb_gadget_handle_interrupts(controller_index);
+ }
+exit:
+ g_dnl_unregister();
+ board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+done:
+ dfu_free_entities();
+
+ 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",
+ "<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"
+#ifdef CONFIG_DFU_TFTP
+ "dfu tftp <interface> <dev> [<addr>]\n"
+ " - device firmware upgrade via TFTP\n"
+ " on device <dev>, attached to interface\n"
+ " <interface>\n"
+ " [<addr>] - address where FIT image has been stored\n"
+#endif
+);