include/asm-cris/axisflashmap.h

   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 (not header) */
  19         __u32 checksum; /* simple longword sum */
  20 };
  21
  22 /* And followed by partition table entries */
  23 struct partitiontable_entry {
  24         __u32 offset;   /* Offset is relative to the sector the ptable is in */
  25         __u32 size;
  26         __u32 checksum; /* simple longword sum */
  27         __u16 type;
  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 PARTITION_TYPE_RESCUE 0x0000?*/  /* Not used, maybe it should? */
  39 #define PARTITION_TYPE_PARAM  0x0001
  40 #define PARTITION_TYPE_KERNEL 0x0002
  41 #define PARTITION_TYPE_JFFS   0x0003
  42
  43 /* The master mtd for the entire flash. */
  44 extern struct mtd_info* axisflash_mtd;
  45
  46 #endif