2 * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
6 * Alternatively, this software may be distributed under the terms of the
7 * GNU General Public License ("GPL") version 2 as published by the Free
17 do_rw(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
19 struct blk_desc *dev_desc = NULL;
20 struct disk_partition part_info;
31 part = part_get_info_by_dev_and_name_or_num(argv[1], argv[2],
32 &dev_desc, &part_info, 1);
36 addr = map_sysmem(hextoul(argv[3], NULL), 0);
37 blk = hextoul(argv[4], NULL);
38 cnt = hextoul(argv[5], NULL);
41 offset = part_info.start;
42 limit = part_info.size;
44 /* Largest address not available in struct blk_desc. */
49 if (cnt + blk > limit) {
50 printf("%s out of range\n", cmdtp->name);
54 if (IS_ENABLED(CONFIG_CMD_WRITE) && !strcmp(cmdtp->name, "write"))
55 res = blk_dwrite(dev_desc, offset + blk, cnt, addr);
57 res = blk_dread(dev_desc, offset + blk, cnt, addr);
60 printf("%s error\n", cmdtp->name);
67 #ifdef CONFIG_CMD_READ
70 "Load binary data from a partition",
71 "<interface> <dev[:part|#partname]> addr blk# cnt"
75 #ifdef CONFIG_CMD_WRITE
78 "Store binary data to a partition",
79 "<interface> <dev[:part|#partname]> addr blk# cnt"