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+/*
+ * (C) Copyright 2011 - 2012 Samsung Electronics
+ * EXT4 filesystem implementation in Uboot by
+ * Uma Shankar <uma.shankar@samsung.com>
+ * Manjunatha C Achar <a.manjunatha@samsung.com>
+ *
+ * Ext4fs support
+ * made from existing cmd_ext2.c file of Uboot
+ *
+ * (C) Copyright 2004
+ * esd gmbh <www.esd-electronics.com>
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * made from cmd_reiserfs by
+ *
+ * (C) Copyright 2003 - 2004
+ * Sysgo Real-Time Solutions, AG <www.elinos.com>
+ * Pavel Bartusek <pba@sysgo.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Changelog:
+ * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
+ * file in uboot. Added ext4fs ls load and write support.
+ */
+
+#include <common.h>
+#include <part.h>
+#include <config.h>
+#include <command.h>
+#include <image.h>
+#include <linux/ctype.h>
+#include <asm/byteorder.h>
+#include <ext4fs.h>
+#include <linux/stat.h>
+#include <malloc.h>
+#include <fs.h>
+
+#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
+#include <usb.h>
+#endif
+
+int do_ext4_size(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+#if defined(CONFIG_CMD_EXT4_WRITE)
+int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+U_BOOT_CMD(ext4write, 7, 1, do_ext4_write,
+ "create a file in the root directory",
+ "<interface> <dev[:part]> <addr> <absolute filename path>\n"
+ " [sizebytes] [file offset]\n"
+ " - create a file in / directory");
+
+#endif
+
+U_BOOT_CMD(
+ ext4size, 4, 0, do_ext4_size,
+ "determine a file's size",
+ "<interface> <dev[:part]> <filename>\n"
+ " - Find file 'filename' from 'dev' on 'interface'\n"
+ " and determine its size."
+);
+
+U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
+ "list files in a directory (default /)",
+ "<interface> <dev[:part]> [directory]\n"
+ " - list files from 'dev' on 'interface' in a 'directory'");
+
+U_BOOT_CMD(ext4load, 7, 0, do_ext4_load,
+ "load binary file from a Ext4 filesystem",
+ "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
+ " - load binary file 'filename' from 'dev' on 'interface'\n"
+ " to address 'addr' from ext4 filesystem");