dfu:cmd: Support for DFU u-boot command

[people/ms/u-boot.git] / common / cmd_dfu.c

diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
new file mode 100644 (file)
index 0000000..62fb890
--- /dev/null
+++ b/common/cmd_dfu.c
@@ -0,0 +1,81 @@
+/*
+ * cmd_dfu.c -- dfu command
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <dfu.h>
+#include <asm/errno.h>
+#include <g_dnl.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;
+
+       if (argc < 3)
+               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;
+       }
+
+       env_bkp = strdup(str_env);
+       ret = dfu_config_entities(env_bkp, argv[1],
+                           (int)simple_strtoul(argv[2], NULL, 10));
+       if (ret)
+               return CMD_RET_FAILURE;
+
+       if (strcmp(argv[3], "list") == 0) {
+               dfu_show_entities();
+               goto done;
+       }
+
+       board_usb_init();
+       g_dnl_register(s);
+       while (1) {
+               if (ctrlc())
+                       goto exit;
+
+               usb_gadget_handle_interrupts();
+       }
+exit:
+       g_dnl_unregister();
+done:
+       dfu_free_entities();
+       free(env_bkp);
+
+       return CMD_RET_SUCCESS;
+}
+
+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"
+);