diff options
Diffstat (limited to 'target/linux/ar7-2.6/files/drivers/mtd/ar7part.c')
| -rw-r--r-- | target/linux/ar7-2.6/files/drivers/mtd/ar7part.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/target/linux/ar7-2.6/files/drivers/mtd/ar7part.c b/target/linux/ar7-2.6/files/drivers/mtd/ar7part.c deleted file mode 100644 index 587bb31bb2..0000000000 --- a/target/linux/ar7-2.6/files/drivers/mtd/ar7part.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * $Id$ - * - * Copyright (C) 2007 OpenWrt.org - * - * This program 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. - * - * This program 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 this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - * TI AR7 flash partition table. - * Based on ar7 map by Felix Fietkau. - * - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/bootmem.h> -#include <linux/squashfs_fs.h> - -struct ar7_bin_rec { - unsigned int checksum; - unsigned int length; - unsigned int address; -}; - -static struct mtd_partition ar7_parts[5]; - -static int create_mtd_partitions(struct mtd_info *master, - struct mtd_partition **pparts, - unsigned long origin) -{ - struct ar7_bin_rec header; - unsigned int offset, len; - unsigned int pre_size = master->erasesize, post_size = 0, - root_offset = 0xe0000; - int retries = 10; - - printk("Parsing AR7 partition map...\n"); - - ar7_parts[0].name = "loader"; - ar7_parts[0].offset = 0; - ar7_parts[0].size = master->erasesize; - ar7_parts[0].mask_flags = MTD_WRITEABLE; - - ar7_parts[1].name = "config"; - ar7_parts[1].offset = 0; - ar7_parts[1].size = master->erasesize; - ar7_parts[1].mask_flags = 0; - - do { - offset = pre_size; - master->read(master, offset, sizeof(header), &len, (u_char *)&header); - if (!strncmp((char *)&header, "TIENV0.8", 8)) - ar7_parts[1].offset = pre_size; - if (header.checksum == 0xfeedfa42) - break; - if (header.checksum == 0xfeed1281) - break; - pre_size += master->erasesize; - } while (retries--); - - pre_size = offset; - - if (!ar7_parts[1].offset) { - ar7_parts[1].offset = master->size - master->erasesize; - post_size = master->erasesize; - } - - switch (header.checksum) { - case 0xfeedfa42: - while (header.length) { - offset += sizeof(header) + header.length; - master->read(master, offset, sizeof(header), - &len, (u_char *)&header); - } - root_offset = offset + sizeof(header) + 4; - break; - case 0xfeed1281: - while (header.length) { - offset += sizeof(header) + header.length; - master->read(master, offset, sizeof(header), - &len, (u_char *)&header); - } - root_offset = offset + sizeof(header) + 4 + 0xff; - root_offset &= ~(u32)0xff; - break; - default: - printk("Unknown magic: %08x\n", header.checksum); - break; - } - - master->read(master, root_offset, sizeof(header), &len, (u_char *)&header); - if (header.checksum != SQUASHFS_MAGIC) { - root_offset += master->erasesize - 1; - root_offset &= ~(master->erasesize - 1); - } - - ar7_parts[2].name = "linux"; - ar7_parts[2].offset = pre_size; - ar7_parts[2].size = master->size - pre_size - post_size; - ar7_parts[2].mask_flags = 0; - - ar7_parts[3].name = "rootfs"; - ar7_parts[3].offset = root_offset; - ar7_parts[3].size = master->size - root_offset - post_size; - ar7_parts[3].mask_flags = 0; - - *pparts = ar7_parts; - return 4; -} - -static struct mtd_part_parser ar7_parser = { - .owner = THIS_MODULE, - .parse_fn = create_mtd_partitions, - .name = "ar7part", -}; - -static int __init ar7_parser_init(void) -{ - return register_mtd_parser(&ar7_parser); -} - -module_init(ar7_parser_init); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Felix Fietkau, Eugene Konev"); -MODULE_DESCRIPTION("MTD partitioning for TI AR7"); |