#ifndef __ASM_AXISFLASHMAP_H #define __ASM_AXISFLASHMAP_H /* Bootblock parameters are stored at 0xc000 and has the FLASH_BOOT_MAGIC * as start, it ends with 0xFFFFFFFF */ #define FLASH_BOOT_MAGIC 0xbeefcace #define BOOTPARAM_OFFSET 0xc000 /* apps/bootblocktool is used to read and write the parameters, * and it has nothing to do with the partition table. */ #define PARTITION_TABLE_OFFSET 10 #define PARTITION_TABLE_MAGIC 0xbeef /* Not a good magic */ /* The partitiontable_head is located at offset +10: */ struct partitiontable_head { __u16 magic; /* PARTITION_TABLE_MAGIC */ __u16 size; /* Length of ptable block (entries + end marker) */ __u32 checksum; /* simple longword sum, over entries + end marker */ }; /* And followed by partition table entries */ struct partitiontable_entry { __u32 offset; /* relative to the sector the ptable is in */ __u32 size; /* in bytes */ __u32 checksum; /* simple longword sum */ __u16 type; /* see type codes below */ __u16 flags; /* bit 0: ro/rw = 1/0 */ __u32 future0; /* 16 bytes reserved for future use */ __u32 future1; __u32 future2; __u32 future3; }; /* ended by an end marker: */ #define PARTITIONTABLE_END_MARKER 0xFFFFFFFF #define PARTITIONTABLE_END_MARKER_SIZE 4 #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_KERNEL 0x0002 #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. */ extern struct mtd_info *axisflash_mtd; #endif |