projects/linux·blob v2.6.21 · refs

46 lines · 1.4 KiB

1#ifndef __ASM_AXISFLASHMAP_H
2#define __ASM_AXISFLASHMAP_H
3
4/* Bootblock parameters are stored at 0xc000 and has the FLASH_BOOT_MAGIC
5 * as start, it ends with 0xFFFFFFFF */
6#define FLASH_BOOT_MAGIC 0xbeefcace
7#define BOOTPARAM_OFFSET 0xc000
8/* apps/bootblocktool is used to read and write the parameters,
9 * and it has nothing to do with the partition table.
10 */
11
12#define PARTITION_TABLE_OFFSET 10
13#define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
14
15/* The partitiontable_head is located at offset +10: */
16struct partitiontable_head {
17 __u16 magic; /* PARTITION_TABLE_MAGIC */
18 __u16 size; /* Length of ptable block (not header) */
19 __u32 checksum; /* simple longword sum */
20};
21
22/* And followed by partition table entries */
23struct partitiontable_entry {
24 __u32 offset; /* Offset is relative to the sector the ptable is in */
25 __u32 size;
26 __u32 checksum; /* simple longword sum */
27 __u16 type;
28 __u16 flags; /* bit 0: ro/rw = 1/0 */
29 __u32 future0; /* 16 bytes reserved for future use */
30 __u32 future1;
31 __u32 future2;
32 __u32 future3;
33};
34/* ended by an end marker: */
35#define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
36#define PARTITIONTABLE_END_MARKER_SIZE 4
37
38/*#define PARTITION_TYPE_RESCUE 0x0000?*/ /* Not used, maybe it should? */
39#define PARTITION_TYPE_PARAM 0x0001
40#define PARTITION_TYPE_KERNEL 0x0002
41#define PARTITION_TYPE_JFFS 0x0003
42
43/* The master mtd for the entire flash. */
44extern struct mtd_info* axisflash_mtd;
45
46#endif