diff options
Diffstat (limited to 'src/udev/mtd_probe/probe_smartmedia.c')
-rw-r--r-- | src/udev/mtd_probe/probe_smartmedia.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/udev/mtd_probe/probe_smartmedia.c b/src/udev/mtd_probe/probe_smartmedia.c deleted file mode 100644 index 2a7ba17637..0000000000 --- a/src/udev/mtd_probe/probe_smartmedia.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2010 - Maxim Levitsky - * - * mtd_probe is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * mtd_probe is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with mtd_probe; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, - * Boston, MA 02110-1301 USA - */ - -#include <fcntl.h> -#include <mtd/mtd-user.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> - -#include "mtd_probe.h" - -static const uint8_t cis_signature[] = { - 0x01, 0x03, 0xD9, 0x01, 0xFF, 0x18, 0x02, 0xDF, 0x01, 0x20 -}; - - -void probe_smart_media(int mtd_fd, mtd_info_t* info) -{ - int sector_size; - int block_size; - int size_in_megs; - int spare_count; - char* cis_buffer = malloc(SM_SECTOR_SIZE); - int offset; - int cis_found = 0; - - if (!cis_buffer) - return; - - if (info->type != MTD_NANDFLASH) - goto exit; - - sector_size = info->writesize; - block_size = info->erasesize; - size_in_megs = info->size / (1024 * 1024); - - if (sector_size != SM_SECTOR_SIZE && sector_size != SM_SMALL_PAGE) - goto exit; - - switch(size_in_megs) { - case 1: - case 2: - spare_count = 6; - break; - case 4: - spare_count = 12; - break; - default: - spare_count = 24; - break; - } - - for (offset = 0 ; offset < block_size * spare_count ; - offset += sector_size) { - lseek(mtd_fd, SEEK_SET, offset); - if (read(mtd_fd, cis_buffer, SM_SECTOR_SIZE) == SM_SECTOR_SIZE) { - cis_found = 1; - break; - } - } - - if (!cis_found) - goto exit; - - if (memcmp(cis_buffer, cis_signature, sizeof(cis_signature)) != 0 && - (memcmp(cis_buffer + SM_SMALL_PAGE, cis_signature, - sizeof(cis_signature)) != 0)) - goto exit; - - printf("MTD_FTL=smartmedia\n"); - free(cis_buffer); - exit(0); -exit: - free(cis_buffer); - return; -} |