| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $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 | |
| 19 | struct 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 | |
| 30 | extern struct idprom *idprom; |
| 31 | extern void idprom_init(void); |
| 32 | |
| 33 | #define IDPROM_SIZE (sizeof(struct idprom)) |
| 34 | |
| 35 | #endif /* !(_SPARC_IDPROM_H) */ |