blob: 21386951efd5a80edb66345adb845d77853ce0fb [file] [log] [blame]
Heiko Schocher09c32802015-04-27 07:42:05 +02001/*
2 * (C) Copyright 2014
3 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7#include <common.h>
8#include <linux/mtd/mtd.h>
9#include <jffs2/jffs2.h>
10
11static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size,
12 loff_t *maxsize, int devtype)
13{
14#ifdef CONFIG_CMD_MTDPARTS
15 struct mtd_device *dev;
16 struct part_info *part;
17 u8 pnum;
18 int ret;
19
20 ret = mtdparts_init();
21 if (ret)
22 return ret;
23
24 ret = find_dev_and_part(partname, &dev, &pnum, &part);
25 if (ret)
26 return ret;
27
28 if (dev->id->type != devtype) {
29 printf("not same typ %d != %d\n", dev->id->type, devtype);
30 return -1;
31 }
32
33 *off = part->offset;
34 *size = part->size;
35 *maxsize = part->size;
36 *idx = dev->id->num;
37
38 return 0;
39#else
Maxime Ripard10b69712015-10-15 14:34:09 +020040 puts("mtdparts support missing.\n");
Heiko Schocher09c32802015-04-27 07:42:05 +020041 return -1;
42#endif
43}
44
45int mtd_arg_off(const char *arg, int *idx, loff_t *off, loff_t *size,
Masahiro Yamadaf18d1112015-07-01 21:35:49 +090046 loff_t *maxsize, int devtype, uint64_t chipsize)
Heiko Schocher09c32802015-04-27 07:42:05 +020047{
48 if (!str2off(arg, off))
49 return get_part(arg, idx, off, size, maxsize, devtype);
50
51 if (*off >= chipsize) {
52 puts("Offset exceeds device limit\n");
53 return -1;
54 }
55
56 *maxsize = chipsize - *off;
57 *size = *maxsize;
58 return 0;
59}
60
61int mtd_arg_off_size(int argc, char *const argv[], int *idx, loff_t *off,
Masahiro Yamadaf18d1112015-07-01 21:35:49 +090062 loff_t *size, loff_t *maxsize, int devtype,
63 uint64_t chipsize)
Heiko Schocher09c32802015-04-27 07:42:05 +020064{
65 int ret;
66
67 if (argc == 0) {
68 *off = 0;
69 *size = chipsize;
70 *maxsize = *size;
71 goto print;
72 }
73
74 ret = mtd_arg_off(argv[0], idx, off, size, maxsize, devtype,
75 chipsize);
76 if (ret)
77 return ret;
78
79 if (argc == 1)
80 goto print;
81
82 if (!str2off(argv[1], size)) {
83 printf("'%s' is not a number\n", argv[1]);
84 return -1;
85 }
86
87 if (*size > *maxsize) {
88 puts("Size exceeds partition or device limit\n");
89 return -1;
90 }
91
92print:
93 printf("device %d ", *idx);
94 if (*size == chipsize)
95 puts("whole chip\n");
96 else
97 printf("offset 0x%llx, size 0x%llx\n",
98 (unsigned long long)*off, (unsigned long long)*size);
99 return 0;
100}