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1da177e4 LT |
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) */ |