Commit 0c2efc48 authored by Jesper Nilsson's avatar Jesper Nilsson

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.
parent e908dfc3
...@@ -15,16 +15,16 @@ ...@@ -15,16 +15,16 @@
/* The partitiontable_head is located at offset +10: */ /* The partitiontable_head is located at offset +10: */
struct partitiontable_head { struct partitiontable_head {
__u16 magic; /* PARTITION_TABLE_MAGIC */ __u16 magic; /* PARTITION_TABLE_MAGIC */
__u16 size; /* Length of ptable block (not header) */ __u16 size; /* Length of ptable block (entries + end marker) */
__u32 checksum; /* simple longword sum */ __u32 checksum; /* simple longword sum, over entries + end marker */
}; };
/* And followed by partition table entries */ /* And followed by partition table entries */
struct partitiontable_entry { struct partitiontable_entry {
__u32 offset; /* Offset is relative to the sector the ptable is in */ __u32 offset; /* relative to the sector the ptable is in */
__u32 size; __u32 size; /* in bytes */
__u32 checksum; /* simple longword sum */ __u32 checksum; /* simple longword sum */
__u16 type; __u16 type; /* see type codes below */
__u16 flags; /* bit 0: ro/rw = 1/0 */ __u16 flags; /* bit 0: ro/rw = 1/0 */
__u32 future0; /* 16 bytes reserved for future use */ __u32 future0; /* 16 bytes reserved for future use */
__u32 future1; __u32 future1;
...@@ -35,12 +35,27 @@ struct partitiontable_entry { ...@@ -35,12 +35,27 @@ struct partitiontable_entry {
#define PARTITIONTABLE_END_MARKER 0xFFFFFFFF #define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
#define PARTITIONTABLE_END_MARKER_SIZE 4 #define PARTITIONTABLE_END_MARKER_SIZE 4
/*#define PARTITION_TYPE_RESCUE 0x0000?*/ /* Not used, maybe it should? */ #define PARTITIONTABLE_END_PAD 10
/* Complete structure for whole partition table */
/* note that table may end before CONFIG_ETRAX_PTABLE_ENTRIES by setting
* offset of the last entry + 1 to PARTITIONTABLE_END_MARKER.
*/
struct partitiontable {
__u8 skip[PARTITION_TABLE_OFFSET];
struct partitiontable_head head;
struct partitiontable_entry entries[];
};
#define PARTITION_TYPE_PARAM 0x0001 #define PARTITION_TYPE_PARAM 0x0001
#define PARTITION_TYPE_KERNEL 0x0002 #define PARTITION_TYPE_KERNEL 0x0002
#define PARTITION_TYPE_JFFS 0x0003 #define PARTITION_TYPE_JFFS 0x0003
#define PARTITION_TYPE_JFFS2 0x0000
#define PARTITION_FLAGS_READONLY_MASK 0x0001
#define PARTITION_FLAGS_READONLY 0x0001
/* The master mtd for the entire flash. */ /* The master mtd for the entire flash. */
extern struct mtd_info* axisflash_mtd; extern struct mtd_info *axisflash_mtd;
#endif #endif
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