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.
13 /* the partitiontable consists of some "jump over" code, a head and
14 * then the actual entries.
15 * tools/mkptable is used to generate the ptable.
18 /* The partition table starts with code to "jump over" it. The ba
19 instruction and delay-slot is modified elsewhere (for example the
20 mkptable script); don't change this to fill the delay-slot. */
21 #define PARTITIONTABLE_CODE_START { \
22 0x0f, 0x05, /* nop 0 */\
23 0x25, 0xf0, /* di 2 */\
24 0xed, 0xff /* ba 4 */ }
26 /* The actual offset depend on the number of entries */
27 #define PARTITIONTABLE_CODE_END { \
28 0x00, 0x00, /* ba offset 6 */\
29 0x0f, 0x05 /* nop 8 */}
31 #define PARTITION_TABLE_OFFSET 10
32 #define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
34 /* The partitiontable_head is located at offset +10: */
35 struct partitiontable_head {
36 __u16 magic; /* PARTITION_TABLE_MAGIC */
37 __u16 size; /* Length of ptable block (not header) */
38 __u32 checksum; /* simple longword sum */
41 /* And followed by partition table entries */
42 struct partitiontable_entry {
43 __u32 offset; /* Offset is relative to the sector the ptable is in */
45 __u32 checksum; /* simple longword sum */
47 __u16 flags; /* bit 0: ro/rw = 1/0 */
48 __u32 future0; /* 16 bytes reserved for future use */
53 /* ended by an end marker: */
54 #define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
55 #define PARTITIONTABLE_END_MARKER_SIZE 4
57 /*#define PARTITION_TYPE_RESCUE 0x0000?*/ /* Not used, maybe it should? */
58 #define PARTITION_TYPE_PARAM 0x0001
59 #define PARTITION_TYPE_KERNEL 0x0002
60 #define PARTITION_TYPE_JFFS 0x0003
62 /* The master mtd for the entire flash. */
63 extern struct mtd_info* axisflash_mtd;