idprom.h

ARM 嵌入式 系统 设计与实例开发 实验教材 二源码

/* $Id: idprom.h,v 1.2 1997/04/04 00:50:16 davem Exp $
 * idprom.h: Macros and defines for idprom routines
 *
 * Copyright (C) 1996 David S. Miller ([e-mail])
 */

#ifndef _SPARC64_IDPROM_H
#define _SPARC64_IDPROM_H

#include <linux/types.h>

/* Offset into the EEPROM where the id PROM is located on the 4c */
#define IDPROM_OFFSET  0x7d8

/* On sun4m; physical. */
/* MicroSPARC(-II) does not decode 31rd bit, but it works. */
#define IDPROM_OFFSET_M  0xfd8

struct idprom
{
	u8		id_format;	/* Format identifier (always 0x01) */
	u8		id_machtype;	/* Machine type */
	u8		id_ethaddr[6];	/* Hardware ethernet address */
	s32		id_date;	/* Date of manufacture */
	u32		id_sernum:24;	/* Unique serial number */
	u8		id_cksum;	/* Checksum - xor of the data bytes */
	u8		reserved[16];
};

extern struct idprom *idprom;
extern void idprom_init(void);

#define IDPROM_SIZE  (sizeof(struct idprom))

#endif /* !(_SPARC_IDPROM_H) */