diff options
Diffstat (limited to 'src/udev/mtd_probe')
l--------- | src/udev/mtd_probe/Makefile | 1 | ||||
-rw-r--r-- | src/udev/mtd_probe/mtd_probe.c | 56 | ||||
-rw-r--r-- | src/udev/mtd_probe/mtd_probe.h | 51 | ||||
-rw-r--r-- | src/udev/mtd_probe/probe_smartmedia.c | 96 |
4 files changed, 0 insertions, 204 deletions
diff --git a/src/udev/mtd_probe/Makefile b/src/udev/mtd_probe/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/udev/mtd_probe/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/udev/mtd_probe/mtd_probe.c b/src/udev/mtd_probe/mtd_probe.c deleted file mode 100644 index 462fab7623..0000000000 --- a/src/udev/mtd_probe/mtd_probe.c +++ /dev/null @@ -1,56 +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 <stdio.h> -#include <stdlib.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> - -#include "mtd_probe.h" - -int main(int argc, char** argv) -{ - int mtd_fd; - int error; - mtd_info_t mtd_info; - - if (argc != 2) { - printf("usage: mtd_probe /dev/mtd[n]\n"); - return 1; - } - - mtd_fd = open(argv[1], O_RDONLY|O_CLOEXEC); - if (mtd_fd == -1) { - perror("open"); - exit(-1); - } - - error = ioctl(mtd_fd, MEMGETINFO, &mtd_info); - if (error == -1) { - perror("ioctl"); - exit(-1); - } - - probe_smart_media(mtd_fd, &mtd_info); - return -1; -} diff --git a/src/udev/mtd_probe/mtd_probe.h b/src/udev/mtd_probe/mtd_probe.h deleted file mode 100644 index 68e4954537..0000000000 --- a/src/udev/mtd_probe/mtd_probe.h +++ /dev/null @@ -1,51 +0,0 @@ -#pragma once - -/* - * 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 <mtd/mtd-user.h> - -#include "macro.h" - -/* Full oob structure as written on the flash */ -struct sm_oob { - uint32_t reserved; - uint8_t data_status; - uint8_t block_status; - uint8_t lba_copy1[2]; - uint8_t ecc2[3]; - uint8_t lba_copy2[2]; - uint8_t ecc1[3]; -} _packed_; - -/* one sector is always 512 bytes, but it can consist of two nand pages */ -#define SM_SECTOR_SIZE 512 - -/* oob area is also 16 bytes, but might be from two pages */ -#define SM_OOB_SIZE 16 - -/* This is maximum zone size, and all devices that have more that one zone - have this size */ -#define SM_MAX_ZONE_SIZE 1024 - -/* support for small page nand */ -#define SM_SMALL_PAGE 256 -#define SM_SMALL_OOB_SIZE 8 - -void probe_smart_media(int mtd_fd, mtd_info_t *info); 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; -} |