mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-24 20:53:22 +02:00
[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
This commit is contained in:
florian
parent
03c1e266f1
commit
6135a9e06a
@ -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");
|
|
||||||
@ -1,54 +0,0 @@
|
|||||||
--- 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);
|
|
||||||
Loading…
Reference in New Issue
Block a user