1 #ifndef __ASM_AXISFLASHMAP_H
2 #define __ASM_AXISFLASHMAP_H
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.
12 #define PARTITION_TABLE_OFFSET 10
13 #define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
15 /* The partitiontable_head is located at offset +10: */
16 struct partitiontable_head {
17 __u16 magic; /* PARTITION_TABLE_MAGIC */
18 __u16 size; /* Length of ptable block (entries + end marker) */
19 __u32 checksum; /* simple longword sum, over entries + end marker */
22 /* And followed by partition table entries */
23 struct partitiontable_entry {
24 __u32 offset; /* relative to the sector the ptable is in */
25 __u32 size; /* in bytes */
26 __u32 checksum; /* simple longword sum */
27 __u16 type; /* see type codes below */
28 __u16 flags; /* bit 0: ro/rw = 1/0 */
29 __u32 future0; /* 16 bytes reserved for future use */
34 /* ended by an end marker: */
35 #define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
36 #define PARTITIONTABLE_END_MARKER_SIZE 4
38 #define PARTITIONTABLE_END_PAD 10
40 /* Complete structure for whole partition table */
41 /* note that table may end before CONFIG_ETRAX_PTABLE_ENTRIES by setting
42 * offset of the last entry + 1 to PARTITIONTABLE_END_MARKER.
44 struct partitiontable {
45 __u8 skip[PARTITION_TABLE_OFFSET];
46 struct partitiontable_head head;
47 struct partitiontable_entry entries[];
50 #define PARTITION_TYPE_PARAM 0x0001
51 #define PARTITION_TYPE_KERNEL 0x0002
52 #define PARTITION_TYPE_JFFS 0x0003
53 #define PARTITION_TYPE_JFFS2 0x0000
55 #define PARTITION_FLAGS_READONLY_MASK 0x0001
56 #define PARTITION_FLAGS_READONLY 0x0001
58 /* The master mtd for the entire flash. */
59 extern struct mtd_info *axisflash_mtd;