git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | |
| 0c2efc48 | 13 | #define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */ |
| 1da177e4 LT |
14 | |
| 15 | /* The partitiontable_head is located at offset +10: */ | |
| 16 | struct partitiontable_head { | |
| 0c2efc48 JN |
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 */ | |
| 1da177e4 LT |
20 | }; |
| 21 | ||
| 22 | /* And followed by partition table entries */ | |
| 23 | struct partitiontable_entry { | |
| 0c2efc48 JN |
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 */ | |
| 1da177e4 LT |
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 | ||
| 0c2efc48 JN |
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 | */ | |
| 44 | struct partitiontable { | |
| 45 | __u8 skip[PARTITION_TABLE_OFFSET]; | |
| 46 | struct partitiontable_head head; | |
| 47 | struct partitiontable_entry entries[]; | |
| 48 | }; | |
| 49 | ||
| 1da177e4 LT |
50 | #define PARTITION_TYPE_PARAM 0x0001 |
| 51 | #define PARTITION_TYPE_KERNEL 0x0002 | |
| 52 | #define PARTITION_TYPE_JFFS 0x0003 | |
| 0c2efc48 JN |
53 | #define PARTITION_TYPE_JFFS2 0x0000 |
| 54 | ||
| 55 | #define PARTITION_FLAGS_READONLY_MASK 0x0001 | |
| 56 | #define PARTITION_FLAGS_READONLY 0x0001 | |
| 1da177e4 | 57 | |
| 7cf32cad | 58 | /* The master mtd for the entire flash. */ |
| 0c2efc48 | 59 | extern struct mtd_info *axisflash_mtd; |
| 7cf32cad | 60 | |
| 1da177e4 | 61 | #endif |