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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.
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1 changed files with 27 additions and 12 deletions
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@ -10,23 +10,23 @@
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*/
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#define PARTITION_TABLE_OFFSET 10
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#define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
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#define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */
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/* The partitiontable_head is located at offset +10: */
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struct partitiontable_head {
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__u16 magic; /* PARTITION_TABLE_MAGIC */
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__u16 size; /* Length of ptable block (not header) */
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__u32 checksum; /* simple longword sum */
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__u16 magic; /* PARTITION_TABLE_MAGIC */
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__u16 size; /* Length of ptable block (entries + end marker) */
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__u32 checksum; /* simple longword sum, over entries + end marker */
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};
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/* And followed by partition table entries */
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struct partitiontable_entry {
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__u32 offset; /* Offset is relative to the sector the ptable is in */
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__u32 size;
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__u32 checksum; /* simple longword sum */
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__u16 type;
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__u16 flags; /* bit 0: ro/rw = 1/0 */
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__u32 future0; /* 16 bytes reserved for future use */
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__u32 offset; /* relative to the sector the ptable is in */
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__u32 size; /* in bytes */
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__u32 checksum; /* simple longword sum */
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__u16 type; /* see type codes below */
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__u16 flags; /* bit 0: ro/rw = 1/0 */
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__u32 future0; /* 16 bytes reserved for future use */
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__u32 future1;
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__u32 future2;
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__u32 future3;
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@ -35,12 +35,27 @@ struct partitiontable_entry {
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#define PARTITIONTABLE_END_MARKER 0xFFFFFFFF
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#define PARTITIONTABLE_END_MARKER_SIZE 4
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/*#define PARTITION_TYPE_RESCUE 0x0000?*/ /* Not used, maybe it should? */
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#define PARTITIONTABLE_END_PAD 10
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/* Complete structure for whole partition table */
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/* note that table may end before CONFIG_ETRAX_PTABLE_ENTRIES by setting
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* offset of the last entry + 1 to PARTITIONTABLE_END_MARKER.
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*/
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struct partitiontable {
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__u8 skip[PARTITION_TABLE_OFFSET];
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struct partitiontable_head head;
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struct partitiontable_entry entries[];
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};
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#define PARTITION_TYPE_PARAM 0x0001
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#define PARTITION_TYPE_KERNEL 0x0002
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#define PARTITION_TYPE_JFFS 0x0003
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#define PARTITION_TYPE_JFFS2 0x0000
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#define PARTITION_FLAGS_READONLY_MASK 0x0001
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#define PARTITION_FLAGS_READONLY 0x0001
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/* The master mtd for the entire flash. */
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extern struct mtd_info* axisflash_mtd;
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extern struct mtd_info *axisflash_mtd;
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#endif
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