include/asm-sparc64/idprom.h

   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) */