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: */ 16struct 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 */ 23struct 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 */ 44struct 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. */ 59extern struct mtd_info *axisflash_mtd; 60 61#endif 62