+++ /dev/null
-/*
- * 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");
+++ /dev/null
---- a/drivers/mtd/ar7part.c
-+++ b/drivers/mtd/ar7part.c
-@@ -34,6 +34,10 @@
- #define LOADER_MAGIC1 le32_to_cpu(0xfeedfa42)
- #define LOADER_MAGIC2 le32_to_cpu(0xfeed1281)
-
-+#ifndef SQUASHFS_MAGIC
-+#define SQUASHFS_MAGIC 0x73717368
-+#endif
-+
- struct ar7_bin_rec {
- unsigned int checksum;
- unsigned int length;
-@@ -47,7 +51,8 @@ static int create_mtd_partitions(struct
- unsigned long origin)
- {
- struct ar7_bin_rec header;
-- unsigned int offset, len;
-+ unsigned int offset;
-+ size_t len;
- unsigned int pre_size = master->erasesize, post_size = 0;
- unsigned int root_offset = ROOT_OFFSET;
-
-@@ -66,7 +71,7 @@ static int create_mtd_partitions(struct
- do { /* Try 10 blocks starting from master->erasesize */
- offset = pre_size;
- master->read(master, offset,
-- sizeof(header), &len, (u8 *)&header);
-+ sizeof(header), &len, (uint8_t *)&header);
- if (!strncmp((char *)&header, "TIENV0.8", 8))
- ar7_parts[1].offset = pre_size;
- if (header.checksum == LOADER_MAGIC1)
-@@ -88,7 +93,7 @@ static int create_mtd_partitions(struct
- while (header.length) {
- offset += sizeof(header) + header.length;
- master->read(master, offset, sizeof(header),
-- &len, (u8 *)&header);
-+ &len, (uint8_t *)&header);
- }
- root_offset = offset + sizeof(header) + 4;
- break;
-@@ -96,10 +101,10 @@ static int create_mtd_partitions(struct
- while (header.length) {
- offset += sizeof(header) + header.length;
- master->read(master, offset, sizeof(header),
-- &len, (u8 *)&header);
-+ &len, (uint8_t *)&header);
- }
- root_offset = offset + sizeof(header) + 4 + 0xff;
-- root_offset &= ~(u32)0xff;
-+ root_offset &= ~(uint32_t)0xff;
- break;
- default:
- printk(KERN_WARNING "Unknown magic: %08x\n", header.checksum);
projects / openwrt.git / commitdiff