bootinfo.h

《嵌入式系统设计与实例开发实验教材二源码》Linux内核移植与编译实验

/*
 * bootinfo.h -- Definition of the Linux/MIPS boot information structure
 *
 * Copyright (C) 1995 - 1999 by Ralf Baechle
 * Copyright (C) 1995, 1996 by Stoned Elipot and Paul M. Antoine.
 * Copyright (C) 1999 Ralf Baechle
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file COPYING in the main directory of this archive
 * for more details.
 */
#ifndef _ASM_BOOTINFO_H
#define _ASM_BOOTINFO_H

/*
 * Values for machgroup
 */
#define MACH_GROUP_UNKNOWN      0 /* whatever... */
#define MACH_GROUP_JAZZ     	1 /* Jazz                                     */
#define MACH_GROUP_DEC          2 /* Digital Equipment                        */
#define MACH_GROUP_ARC		3 /* Wreckstation Tyne, rPC44, possibly other */
#define MACH_GROUP_SNI_RM	4 /* Siemens Nixdorf RM series                */
#define MACH_GROUP_ACN		5
#define MACH_GROUP_SGI          6 /* Silicon Graphics workstations and servers */
#define MACH_GROUP_COBALT       7 /* Cobalt servers		 	      */

#define GROUP_NAMES { "unknown", "Jazz", "Digital", "ARC", \
                      "SNI", "ACN", "SGI", "Cobalt" }

/*
 * Valid machtype values for group unknown (low order halfword of mips_machtype)
 */
#define MACH_UNKNOWN		0	/* whatever...			*/

#define GROUP_UNKNOWN_NAMES { "unknown" }

/*
 * Valid machtype values for group JAZZ
 */
#define MACH_ACER_PICA_61	0	/* Acer PICA-61 (PICA1)		*/
#define MACH_MIPS_MAGNUM_4000	1	/* Mips Magnum 4000 "RC4030"	*/
#define MACH_OLIVETTI_M700      2	/* Olivetti M700-10 (-15 ??)    */

#define GROUP_JAZZ_NAMES { "Acer PICA 61", "Mips Magnum 4000", "Olivetti M700" }

/*
 * Valid machtype for group DEC 
 */
#define MACH_DSUNKNOWN		0
#define MACH_DS23100		1	/* DECstation 2100 or 3100	*/
#define MACH_DS5100		2	/* DECstation 5100		*/
#define MACH_DS5000_200		3	/* DECstation 5000/200		*/
#define MACH_DS5000_1XX		4	/* DECstation 5000/120, 125, 133, 150 */
#define MACH_DS5000_XX		5	/* DECstation 5000/20, 25, 33, 50 */
#define MACH_DS5000_2X0		6	/* DECstation 5000/240, 260	*/
#define MACH_DS5400		7	/* DECstation 5400		*/
#define MACH_DS5500		8	/* DECstation 5500		*/
#define MACH_DS5800		9	/* DECstation 5800		*/

#define GROUP_DEC_NAMES { "unknown", "DECstation 2100/3100", "DECstation 5100", \
	"DECstation 5000/200", "DECstation 5000/1xx", "Personal DECstation 5000/xx", \
	"DECstation 5000/2x0", "DECstation 5400", "DECstation 5500", \
	"DECstation 5800" }

/*
 * Valid machtype for group ARC
 */
#define MACH_DESKSTATION_RPC44  0	/* Deskstation rPC44 */
#define MACH_DESKSTATION_TYNE	1	/* Deskstation Tyne */

#define GROUP_ARC_NAMES { "Deskstation rPC44", "Deskstation Tyne" }

/*
 * Valid machtype for group SNI_RM
 */
#define MACH_SNI_RM200_PCI	0	/* RM200/RM300/RM400 PCI series */

#define GROUP_SNI_RM_NAMES { "RM200 PCI" }

/*
 * Valid machtype for group ACN
 */
#define MACH_ACN_MIPS_BOARD	0       /* ACN MIPS single board        */

#define GROUP_ACN_NAMES { "ACN" }

/*
 * Valid machtype for group SGI
 */
#define MACH_SGI_INDY		0	/* R4?K and R5K Indy workstations */
#define MACH_SGI_CHALLENGE_S	1       /* The Challenge S server */
#define MACH_SGI_INDIGO2	2	/* The Indigo2 system */
#define MACH_SGI_IP27		3	/* Origin 200, Origin 2000, Onyx 2 */

#define GROUP_SGI_NAMES { "Indy", "Challenge S", "Indigo2", "IP27" }


/*
 * Valid machtype for group COBALT
 */
#define MACH_COBALT_27 		 0	/* Proto "27" hardware */

#define GROUP_COBALT_NAMES { "Microserver 27" }

/*
 * Valid cputype values
 */
#define CPU_UNKNOWN		0
#define CPU_R2000		1
#define CPU_R3000		2
#define CPU_R3000A		3
#define CPU_R3041		4
#define CPU_R3051		5
#define CPU_R3052		6
#define CPU_R3081		7
#define CPU_R3081E		8
#define CPU_R4000PC		9
#define CPU_R4000SC		10
#define CPU_R4000MC		11
#define CPU_R4200		12
#define CPU_R4400PC		13
#define CPU_R4400SC		14
#define CPU_R4400MC		15
#define CPU_R4600		16
#define CPU_R6000		17
#define CPU_R6000A		18
#define CPU_R8000		19
#define CPU_R10000		20
#define CPU_R4300		21
#define CPU_R4650		22
#define CPU_R4700		23
#define CPU_R5000		24
#define CPU_R5000A		25
#define CPU_R4640		26
#define CPU_NEVADA		27	/* RM5230, RM5260 */
#define CPU_LAST		27

#define CPU_NAMES { "unknown", "R2000", "R3000", "R3000A", "R3041", "R3051", \
        "R3052", "R3081", "R3081E", "R4000PC", "R4000SC", "R4000MC",         \
        "R4200", "R4400PC", "R4400SC", "R4400MC", "R4600", "R6000",          \
        "R6000A", "R8000", "R10000", "R4300", "R4650", "R4700", "R5000",     \
        "R5000A", "R4640", "Nevada" }

#define CL_SIZE      (80)

#define BOOT_MEM_MAP_MAX        32
#define BOOT_MEM_RAM            1
#define BOOT_MEM_ROM_DATA       2
#define BOOT_MEM_RESERVED       3

#ifndef _LANGUAGE_ASSEMBLY

/*
 * Some machine parameters passed by the bootloaders. 
 */

struct drive_info_struct {
	char dummy[32];
};

extern unsigned long mips_memory_upper;
extern unsigned long mips_cputype;
extern unsigned long mips_machtype;
extern unsigned long mips_machgroup;
extern unsigned long mips_tlb_entries;

/*
 * A memory map that's built upon what was determined
 * or specified on the command line.
 */
struct boot_mem_map {
        int nr_map;
        struct {
                unsigned long addr;     /* start of memory segment */
                unsigned long size;     /* size of memory segment */
                long type;              /* type of memory segment */
        } map[BOOT_MEM_MAP_MAX];
};

extern struct boot_mem_map boot_mem_map;

extern void add_memory_region(unsigned long start, unsigned long size,
                              long type);

#endif /* _LANGUAGE_ASSEMBLY */

#endif /* _ASM_BOOTINFO_H */