1 /* $Id: idprom.h,v 1.6 1996/08/04 10:35:07 ecd Exp $
2 * idprom.h: Macros and defines for idprom routines
3 *
4 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5 */
6
7 #ifndef _SPARC_IDPROM_H
8 #define _SPARC_IDPROM_H
9
10 /* Offset into the EEPROM where the id PROM is located on the 4c */
11 #define IDPROM_OFFSET 0x7d8
12
13 /* On sun4m; physical. */
14 /* MicroSPARC(-II) does not decode 31rd bit, but it works. */
15 #define IDPROM_OFFSET_M 0xfd8
16
17 struct idprom
18 {
19 unsigned char id_format; /* Format identifier (always 0x01) */
20 unsigned char id_machtype; /* Machine type */
21 unsigned char id_ethaddr[6]; /* Hardware ethernet address */
22 long id_date; /* Date of manufacture */
23 unsigned int id_sernum:24; /* Unique serial number */
24 unsigned char id_cksum; /* Checksum - xor of the data bytes */
25 unsigned char reserved[16];
26 };
27
28 extern struct idprom *idprom;
29 extern void idprom_init(void);
30
31 #define IDPROM_SIZE (sizeof(struct idprom))
32
33 #endif /* !(_SPARC_IDPROM_H) */
34
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