diff options
Diffstat (limited to 'arch/cris/include/asm/axisflashmap.h')
-rw-r--r-- | arch/cris/include/asm/axisflashmap.h | 61 |
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 --- /dev/null +++ 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: */ | ||
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 */ | ||
20 | }; | ||
21 | |||
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 */ | ||
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 | */ | ||
44 | struct 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. */ | ||
59 | extern struct mtd_info *axisflash_mtd; | ||
60 | |||
61 | #endif | ||