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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: idprom.h,v 1.2 1997/04/04 00:50:16 davem Exp $
2 * idprom.h: Macros and defines for idprom routines
3 *
4 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
5 */
6
7#ifndef _SPARC64_IDPROM_H
8#define _SPARC64_IDPROM_H
9
10#include <linux/types.h>
11
12/* Offset into the EEPROM where the id PROM is located on the 4c */
13#define IDPROM_OFFSET 0x7d8
14
15/* On sun4m; physical. */
16/* MicroSPARC(-II) does not decode 31rd bit, but it works. */
17#define IDPROM_OFFSET_M 0xfd8
18
19struct idprom
20{
21 u8 id_format; /* Format identifier (always 0x01) */
22 u8 id_machtype; /* Machine type */
23 u8 id_ethaddr[6]; /* Hardware ethernet address */
24 s32 id_date; /* Date of manufacture */
25 u32 id_sernum:24; /* Unique serial number */
26 u8 id_cksum; /* Checksum - xor of the data bytes */
27 u8 reserved[16];
28};
29
30extern struct idprom *idprom;
31extern void idprom_init(void);
32
33#define IDPROM_SIZE (sizeof(struct idprom))
34
35#endif /* !(_SPARC_IDPROM_H) */