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authorJesper Nilsson <jesper.nilsson@axis.com>2007-11-29 11:58:06 -0500
committerJesper Nilsson <jesper.nilsson@axis.com>2008-02-08 05:06:24 -0500
commit0c2efc4848984ed38753d48990f0f0c72af56ba9 (patch)
tree44616bd1241c33cb4d32e43c92a6ebb2205cd596 /include/asm-cris/axisflashmap.h
parente908dfc3c08d684b115f6fbd3740c6b77e0ddaf8 (diff)
CRIS: Merge axisflashmap.h with Axis internal changes.
- Add partition table struct to be used to parse partition table in flash. - Add JFFS2 as a type, and add readoly flag. - Improve some comments. - Lindent has been run, fixing whitespace and formatting issues.
Diffstat (limited to 'include/asm-cris/axisflashmap.h')
-rw-r--r--include/asm-cris/axisflashmap.h39
1 files changed, 27 insertions, 12 deletions
diff --git a/include/asm-cris/axisflashmap.h b/include/asm-cris/axisflashmap.h
index 7a8d3114e682..015ca5445ddd 100644
--- a/include/asm-cris/axisflashmap.h
+++ b/include/asm-cris/axisflashmap.h
@@ -10,23 +10,23 @@
10 */ 10 */
11 11
12#define PARTITION_TABLE_OFFSET 10 12#define PARTITION_TABLE_OFFSET 10
13#define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */ 13#define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
14 14
15/* The partitiontable_head is located at offset +10: */ 15/* The partitiontable_head is located at offset +10: */
16struct partitiontable_head { 16struct partitiontable_head {
17 __u16 magic; /* PARTITION_TABLE_MAGIC */ 17 __u16 magic; /* PARTITION_TABLE_MAGIC */
18 __u16 size; /* Length of ptable block (not header) */ 18 __u16 size; /* Length of ptable block (entries + end marker) */
19 __u32 checksum; /* simple longword sum */ 19 __u32 checksum; /* simple longword sum, over entries + end marker */
20}; 20};
21 21
22/* And followed by partition table entries */ 22/* And followed by partition table entries */
23struct partitiontable_entry { 23struct partitiontable_entry {
24 __u32 offset; /* Offset is relative to the sector the ptable is in */ 24 __u32 offset; /* relative to the sector the ptable is in */
25 __u32 size; 25 __u32 size; /* in bytes */
26 __u32 checksum; /* simple longword sum */ 26 __u32 checksum; /* simple longword sum */
27 __u16 type; 27 __u16 type; /* see type codes below */
28 __u16 flags; /* bit 0: ro/rw = 1/0 */ 28 __u16 flags; /* bit 0: ro/rw = 1/0 */
29 __u32 future0; /* 16 bytes reserved for future use */ 29 __u32 future0; /* 16 bytes reserved for future use */
30 __u32 future1; 30 __u32 future1;
31 __u32 future2; 31 __u32 future2;
32 __u32 future3; 32 __u32 future3;
@@ -35,12 +35,27 @@ struct partitiontable_entry {
35#define PARTITIONTABLE_END_MARKER 0xFFFFFFFF 35#define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
36#define PARTITIONTABLE_END_MARKER_SIZE 4 36#define PARTITIONTABLE_END_MARKER_SIZE 4
37 37
38/*#define PARTITION_TYPE_RESCUE 0x0000?*/ /* Not used, maybe it should? */ 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
39#define PARTITION_TYPE_PARAM 0x0001 50#define PARTITION_TYPE_PARAM 0x0001
40#define PARTITION_TYPE_KERNEL 0x0002 51#define PARTITION_TYPE_KERNEL 0x0002
41#define PARTITION_TYPE_JFFS 0x0003 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
42 57
43/* The master mtd for the entire flash. */ 58/* The master mtd for the entire flash. */
44extern struct mtd_info* axisflash_mtd; 59extern struct mtd_info *axisflash_mtd;
45 60
46#endif 61#endif