2 * Copyright (c) 2010-2012 Semihalf.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
36 #include <dev/nand/nand_dev.h>
39 int nand_info(struct cmd_param *params)
41 struct chip_param_io chip_params;
44 off_t chip_size, media_size;
47 if ((dev = param_get_string(params, "dev")) == NULL) {
48 fprintf(stderr, "Please supply 'dev' parameter, eg. "
49 "'dev=/dev/gnand0'\n");
53 if ((fd = g_open(dev, 1)) == -1) {
54 perrorf("Cannot open %s", dev);
58 if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1) {
59 perrorf("Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
64 if (ioctl(fd, DIOCGMEDIASIZE, &media_size) == -1) {
65 perrorf("Cannot ioctl(DIOCGMEDIASIZE)");
70 block_size = chip_params.page_size * chip_params.pages_per_block;
71 chip_size = block_size * chip_params.blocks;
73 printf("Device:\t\t\t%s\n", dev);
74 printf("Page size:\t\t%d bytes\n", chip_params.page_size);
75 printf("Block size:\t\t%d bytes (%d KB)\n", block_size,
77 printf("OOB size per page:\t%d bytes\n", chip_params.oob_size);
78 printf("Chip size:\t\t%jd MB\n", (uintmax_t)(chip_size / 1024 / 1024));
79 printf("Slice size:\t\t%jd MB\n",
80 (uintmax_t)(media_size / 1024 / 1024));