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-rw-r--r--arch/cris/include/asm/axisflashmap.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/cris/include/asm/axisflashmap.h b/arch/cris/include/asm/axisflashmap.h
new file mode 100644
index 000000000000..015ca5445ddd
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+++ b/arch/cris/include/asm/axisflashmap.h
@@ -0,0 +1,61 @@
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 (entries + end marker) */
19 __u32 checksum; /* simple longword sum, over entries + end marker */
20};
21
22/* And followed by partition table entries */
23struct 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 */
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 PARTITIONTABLE_END_PAD 10
39
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.
43 */
44struct partitiontable {
45 __u8 skip[PARTITION_TABLE_OFFSET];
46 struct partitiontable_head head;
47 struct partitiontable_entry entries[];
48};
49
50#define PARTITION_TYPE_PARAM 0x0001
51#define PARTITION_TYPE_KERNEL 0x0002
52#define PARTITION_TYPE_JFFS 0x0003
53#define PARTITION_TYPE_JFFS2 0x0000
54
55#define PARTITION_FLAGS_READONLY_MASK 0x0001
56#define PARTITION_FLAGS_READONLY 0x0001
57
58/* The master mtd for the entire flash. */
59extern struct mtd_info *axisflash_mtd;
60
61#endif