kernel-ark/include/asm-cris/axisflashmap.h
Mikael Starvik 7cf32cad15 [PATCH] CRIS update: misc patches
* Start threads with IRQs enabled.
* Move symbol exports to arch specific file.
* Prepare for real command line in the future.
* Handle csum for partition that crosses flash boundary.
* Set utsname.

Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-07-27 16:26:00 -07:00

47 lines
1.4 KiB
C

#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 (not header) */
__u32 checksum; /* simple longword sum */
};
/* And followed by partition table entries */
struct partitiontable_entry {
__u32 offset; /* Offset is relative to the sector the ptable is in */
__u32 size;
__u32 checksum; /* simple longword sum */
__u16 type;
__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 PARTITION_TYPE_RESCUE 0x0000?*/ /* Not used, maybe it should? */
#define PARTITION_TYPE_PARAM 0x0001
#define PARTITION_TYPE_KERNEL 0x0002
#define PARTITION_TYPE_JFFS 0x0003
/* The master mtd for the entire flash. */
extern struct mtd_info* axisflash_mtd;
#endif