/*
   * (C) Copyright 2002
   * Richard Jones, rjones@nexus-tech.net
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  /*
   * Boot support
   */
  #include <common.h>
  #include <command.h>

  #include <s_record.h>
  #include <net.h>
  #include <ata.h>

  #include <asm/io.h>

  #include <mapmem.h>

  #include <part.h>

  #include <fat.h>

  #include <fs.h>

  int do_fat_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	return do_size(cmdtp, flag, argc, argv, FS_TYPE_FAT);
  }
  
  U_BOOT_CMD(
  	fatsize,	4,	0,	do_fat_size,
  	"determine a file's size",
  	"<interface> <dev[:part]> <filename>
  "
  	"    - Find file 'filename' from 'dev' on 'interface'
  "
  	"      and determine its size."
  );

  int do_fat_fsload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

  {

  	return do_load(cmdtp, flag, argc, argv, FS_TYPE_FAT);

  }

  U_BOOT_CMD(

  	fatload,	7,	0,	do_fat_fsload,

  	"load binary file from a dos filesystem",

  	"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]
  "

  	"    - Load binary file 'filename' from 'dev' on 'interface'
  "
  	"      to address 'addr' from dos filesystem.
  "
  	"      'pos' gives the file position to start loading from.
  "
  	"      If 'pos' is omitted, 0 is used. 'pos' requires 'bytes'.
  "
  	"      'bytes' gives the size to load. If 'bytes' is 0 or omitted,
  "

  	"      the load stops on end of file.
  "

  	"      If either 'pos' or 'bytes' are not aligned to
  "
  	"      ARCH_DMA_MINALIGN then a misaligned buffer warning will
  "

  	"      be printed and performance will suffer for the load."

  );

  static int do_fat_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

  {

  	return do_ls(cmdtp, flag, argc, argv, FS_TYPE_FAT);

  }

  U_BOOT_CMD(

  	fatls,	4,	1,	do_fat_ls,

  	"list files in a directory (default /)",

  	"<interface> [<dev[:part]>] [directory]
  "

  	"    - list files from 'dev' on 'interface' in a 'directory'"

  );

  static int do_fat_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc,
  			 char * const argv[])

  {

  	int dev, part;

  	struct blk_desc *dev_desc;

  	disk_partition_t info;

  	if (argc < 2) {

  		printf("usage: fatinfo <interface> [<dev[:part]>]
  ");

  		return 0;

  	}

  	part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);

  	if (part < 0)

  		return 1;

  	dev = dev_desc->devnum;

  	if (fat_set_blk_dev(dev_desc, &info) != 0) {

  		printf("
  ** Unable to use %s %d:%d for fatinfo **
  ",
  			argv[1], dev, part);

  		return 1;
  	}

  	return file_fat_detectfs();

  }

  U_BOOT_CMD(

  	fatinfo,	3,	1,	do_fat_fsinfo,

  	"print information about filesystem",

  	"<interface> [<dev[:part]>]
  "

  	"    - print information about filesystem from 'dev' on 'interface'"

  );

  
  #ifdef CONFIG_FAT_WRITE
  static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
  		int argc, char * const argv[])
  {

  	loff_t size;
  	int ret;

  	unsigned long addr;
  	unsigned long count;

  	struct blk_desc *dev_desc = NULL;

  	disk_partition_t info;

  	int dev = 0;
  	int part = 1;

  	void *buf;

  
  	if (argc < 5)
  		return cmd_usage(cmdtp);

  	part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);

  	if (part < 0)

  		return 1;

  	dev = dev_desc->devnum;

  	if (fat_set_blk_dev(dev_desc, &info) != 0) {

  		printf("
  ** Unable to use %s %d:%d for fatwrite **
  ",
  			argv[1], dev, part);
  		return 1;
  	}
  	addr = simple_strtoul(argv[3], NULL, 16);

  	count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16);

  	buf = map_sysmem(addr, count);

  	ret = file_fat_write(argv[4], buf, 0, count, &size);

  	unmap_sysmem(buf);

  	if (ret < 0) {

  		printf("
  ** Unable to write \"%s\" from %s %d:%d **
  ",
  			argv[4], argv[1], dev, part);
  		return 1;
  	}

  	printf("%llu bytes written
  ", size);

  
  	return 0;
  }
  
  U_BOOT_CMD(
  	fatwrite,	6,	0,	do_fat_fswrite,
  	"write file into a dos filesystem",

  	"<interface> <dev[:part]> <addr> <filename> [<bytes>]
  "

  	"    - write file 'filename' from the address 'addr' in RAM
  "
  	"      to 'dev' on 'interface'"
  );
  #endif