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author | Florian Fainelli <florian@openwrt.org> | 2009-02-22 18:48:55 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2009-02-22 18:48:55 +0000 |
commit | 0673a47d66f329f15dee758a019466b82da48cf2 (patch) | |
tree | 8978084f69644c3ef5c8ca2a6b07442c84fec9b1 /target/linux/ar7/files/drivers/mtd | |
parent | d8d22d5816a9539dfc98449046140efc17b1011f (diff) | |
download | upstream-0673a47d66f329f15dee758a019466b82da48cf2.tar.gz upstream-0673a47d66f329f15dee758a019466b82da48cf2.tar.bz2 upstream-0673a47d66f329f15dee758a019466b82da48cf2.zip |
[ar7] do not patch the local copy of ar7part.c to be exactly like what is mainline already
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar7/files/drivers/mtd')
-rw-r--r-- | target/linux/ar7/files/drivers/mtd/ar7part.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/target/linux/ar7/files/drivers/mtd/ar7part.c b/target/linux/ar7/files/drivers/mtd/ar7part.c deleted file mode 100644 index 3d160d4cdd..0000000000 --- a/target/linux/ar7/files/drivers/mtd/ar7part.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (C) 2007 Eugene Konev <ejka@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 <nbd@openwrt.org> - * - */ - -#include <linux/kernel.h> -#include <linux/slab.h> - -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/bootmem.h> -#include <linux/magic.h> - -#define AR7_PARTS 4 -#define ROOT_OFFSET 0xe0000 - -#define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42) -#define LOADER_MAGIC2 le32_to_cpu(0xfeed1281) - -struct ar7_bin_rec { - unsigned int checksum; - unsigned int length; - unsigned int address; -}; - -static struct mtd_partition ar7_parts[AR7_PARTS]; - -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; - unsigned int root_offset = ROOT_OFFSET; - - int retries = 10; - - 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 { /* Try 10 blocks starting from master->erasesize */ - offset = pre_size; - master->read(master, offset, - sizeof(header), &len, (u8 *)&header); - if (!strncmp((char *)&header, "TIENV0.8", 8)) - ar7_parts[1].offset = pre_size; - if (header.checksum == LOADER_MAGIC1) - break; - if (header.checksum == LOADER_MAGIC2) - 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 LOADER_MAGIC1: - while (header.length) { - offset += sizeof(header) + header.length; - master->read(master, offset, sizeof(header), - &len, (u8 *)&header); - } - root_offset = offset + sizeof(header) + 4; - break; - case LOADER_MAGIC2: - while (header.length) { - offset += sizeof(header) + header.length; - master->read(master, offset, sizeof(header), - &len, (u8 *)&header); - } - root_offset = offset + sizeof(header) + 4 + 0xff; - root_offset &= ~(u32)0xff; - break; - default: - printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum); - break; - } - - master->read(master, root_offset, - sizeof(header), &len, (u8 *)&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 AR7_PARTS; -} - -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 <nbd@openwrt.org>, " - "Eugene Konev <ejka@openwrt.org>"); -MODULE_DESCRIPTION("MTD partitioning for TI AR7"); |