include/asm-mips/cpu.h - maze/linux - Git at Google

 /*
  * cpu.h: Values of the PRId register used to match up
  *        various MIPS cpu types.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
  */
 #ifndef _ASM_CPU_H
 #define _ASM_CPU_H

 /* Assigned Company values for bits 23:16 of the PRId Register
    (CP0 register 15, select 0).  As of the MIPS32 and MIPS64 specs from
    MTI, the PRId register is defined in this (backwards compatible)
    way:

   +----------------+----------------+----------------+----------------+
   | Company Options| Company ID     | Processor ID   | Revision       |
   +----------------+----------------+----------------+----------------+
    31            24 23            16 15             8 7

    I don't have docs for all the previous processors, but my impression is
    that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
    spec.
 */

 #define PRID_COMP_LEGACY	0x000000
 #define PRID_COMP_MIPS		0x010000
 #define PRID_COMP_BROADCOM	0x020000
 #define PRID_COMP_ALCHEMY	0x030000
 #define PRID_COMP_SIBYTE	0x040000
 #define PRID_COMP_SANDCRAFT	0x050000
 #define PRID_COMP_PHILIPS	0x060000
 #define PRID_COMP_TOSHIBA	0x070000
 #define PRID_COMP_LSI		0x080000
 #define PRID_COMP_LEXRA		0x0b0000


 /*
  * Assigned values for the product ID register.  In order to detect a
  * certain CPU type exactly eventually additional registers may need to
  * be examined.  These are valid when 23:16 == PRID_COMP_LEGACY
  */
 #define PRID_IMP_R2000		0x0100
 #define PRID_IMP_AU1_REV1	0x0100
 #define PRID_IMP_AU1_REV2	0x0200
 #define PRID_IMP_R3000		0x0200		/* Same as R2000A  */
 #define PRID_IMP_R6000		0x0300		/* Same as R3000A  */
 #define PRID_IMP_R4000		0x0400
 #define PRID_IMP_R6000A		0x0600
 #define PRID_IMP_R10000		0x0900
 #define PRID_IMP_R4300		0x0b00
 #define PRID_IMP_VR41XX		0x0c00
 #define PRID_IMP_R12000		0x0e00
 #define PRID_IMP_R8000		0x1000
 #define PRID_IMP_R4600		0x2000
 #define PRID_IMP_R4700		0x2100
 #define PRID_IMP_TX39		0x2200
 #define PRID_IMP_R4640		0x2200
 #define PRID_IMP_R4650		0x2200		/* Same as R4640 */
 #define PRID_IMP_R5000		0x2300
 #define PRID_IMP_TX49		0x2d00
 #define PRID_IMP_SONIC		0x2400
 #define PRID_IMP_MAGIC		0x2500
 #define PRID_IMP_RM7000		0x2700
 #define PRID_IMP_NEVADA		0x2800		/* RM5260 ??? */
 #define PRID_IMP_RM9000		0x3400
 #define PRID_IMP_R5432		0x5400
 #define PRID_IMP_R5500		0x5500
 #define PRID_IMP_4KC		0x8000
 #define PRID_IMP_5KC		0x8100
 #define PRID_IMP_20KC		0x8200
 #define PRID_IMP_4KEC		0x8400
 #define PRID_IMP_4KSC		0x8600
 #define PRID_IMP_25KF		0x8800
 #define PRID_IMP_5KE		0x8900
 #define PRID_IMP_4KECR2		0x9000
 #define PRID_IMP_4KEMPR2	0x9100
 #define PRID_IMP_4KSD		0x9200
 #define PRID_IMP_24K		0x9300

 #define PRID_IMP_UNKNOWN	0xff00

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
  */

 #define PRID_IMP_SB1            0x0100

 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
  */

 #define PRID_IMP_SR71000        0x0400

 /*
  * Definitions for 7:0 on legacy processors
  */


 #define PRID_REV_TX4927		0x0022
 #define PRID_REV_TX4937		0x0030
 #define PRID_REV_R4400		0x0040
 #define PRID_REV_R3000A		0x0030
 #define PRID_REV_R3000		0x0020
 #define PRID_REV_R2000A		0x0010
 #define PRID_REV_TX3912 	0x0010
 #define PRID_REV_TX3922 	0x0030
 #define PRID_REV_TX3927 	0x0040
 #define PRID_REV_VR4111		0x0050
 #define PRID_REV_VR4181		0x0050	/* Same as VR4111 */
 #define PRID_REV_VR4121		0x0060
 #define PRID_REV_VR4122		0x0070
 #define PRID_REV_VR4181A	0x0070	/* Same as VR4122 */
 #define PRID_REV_VR4130		0x0080

 /*
  * FPU implementation/revision register (CP1 control register 0).
  *
  * +---------------------------------+----------------+----------------+
  * | 0                               | Implementation | Revision       |
  * +---------------------------------+----------------+----------------+
  *  31                             16 15             8 7              0
  */

 #define FPIR_IMP_NONE		0x0000

 #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_R12000		21
 #define CPU_R4300		22
 #define CPU_R4650		23
 #define CPU_R4700		24
 #define CPU_R5000		25
 #define CPU_R5000A		26
 #define CPU_R4640		27
 #define CPU_NEVADA		28
 #define CPU_RM7000		29
 #define CPU_R5432		30
 #define CPU_4KC			31
 #define CPU_5KC			32
 #define CPU_R4310		33
 #define CPU_SB1			34
 #define CPU_TX3912		35
 #define CPU_TX3922		36
 #define CPU_TX3927		37
 #define CPU_AU1000		38
 #define CPU_4KEC		39
 #define CPU_4KSC		40
 #define CPU_VR41XX		41
 #define CPU_R5500		42
 #define CPU_TX49XX		43
 #define CPU_AU1500		44
 #define CPU_20KC		45
 #define CPU_VR4111		46
 #define CPU_VR4121		47
 #define CPU_VR4122		48
 #define CPU_VR4131		49
 #define CPU_VR4181		50
 #define CPU_VR4181A		51
 #define CPU_AU1100		52
 #define CPU_SR71000		53
 #define CPU_RM9000		54
 #define CPU_25KF		55
 #define CPU_VR4133		56
 #define CPU_AU1550		57
 #define CPU_24K			58
 #define CPU_AU1200		59
 #define CPU_LAST		59

 /*
  * ISA Level encodings
  *
  */
 #define MIPS_CPU_ISA_I		0x00000001
 #define MIPS_CPU_ISA_II		0x00000002
 #define MIPS_CPU_ISA_III	0x00008003
 #define MIPS_CPU_ISA_IV		0x00008004
 #define MIPS_CPU_ISA_V		0x00008005
 #define MIPS_CPU_ISA_M32	0x00000020
 #define MIPS_CPU_ISA_M64	0x00008040

 /*
  * Bit 15 encodes if an ISA level supports 64-bit operations.
  */
 #define MIPS_CPU_ISA_64BIT	0x00008000

 /*
  * CPU Option encodings
  */
 #define MIPS_CPU_TLB		0x00000001 /* CPU has TLB */
 /* Leave a spare bit for variant MMU types... */
 #define MIPS_CPU_4KEX		0x00000004 /* "R4K" exception model */
 #define MIPS_CPU_4KTLB		0x00000008 /* "R4K" TLB handler */
 #define MIPS_CPU_FPU		0x00000010 /* CPU has FPU */
 #define MIPS_CPU_32FPR		0x00000020 /* 32 dbl. prec. FP registers */
 #define MIPS_CPU_COUNTER	0x00000040 /* Cycle count/compare */
 #define MIPS_CPU_WATCH		0x00000080 /* watchpoint registers */
 #define MIPS_CPU_MIPS16		0x00000100 /* code compression */
 #define MIPS_CPU_DIVEC		0x00000200 /* dedicated interrupt vector */
 #define MIPS_CPU_VCE		0x00000400 /* virt. coherence conflict possible */
 #define MIPS_CPU_CACHE_CDEX_P	0x00000800 /* Create_Dirty_Exclusive CACHE op */
 #define MIPS_CPU_CACHE_CDEX_S	0x00001000 /* ... same for seconary cache ... */
 #define MIPS_CPU_MCHECK		0x00002000 /* Machine check exception */
 #define MIPS_CPU_EJTAG		0x00004000 /* EJTAG exception */
 #define MIPS_CPU_NOFPUEX	0x00008000 /* no FPU exception */
 #define MIPS_CPU_LLSC		0x00010000 /* CPU has ll/sc instructions */
 #define MIPS_CPU_SUBSET_CACHES	0x00020000 /* P-cache subset enforced */
 #define MIPS_CPU_PREFETCH	0x00040000 /* CPU has usable prefetch */

 #endif /* _ASM_CPU_H */
	/*
	* cpu.h: Values of the PRId register used to match up
	* various MIPS cpu types.
	*
	* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
	*/
	#ifndef _ASM_CPU_H
	#define _ASM_CPU_H

	/* Assigned Company values for bits 23:16 of the PRId Register
	(CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from
	MTI, the PRId register is defined in this (backwards compatible)
	way:

	+----------------+----------------+----------------+----------------+
	\| Company Options\| Company ID \| Processor ID \| Revision \|
	+----------------+----------------+----------------+----------------+
	31 24 23 16 15 8 7

	I don't have docs for all the previous processors, but my impression is
	that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
	spec.
	*/

	#define PRID_COMP_LEGACY 0x000000
	#define PRID_COMP_MIPS 0x010000
	#define PRID_COMP_BROADCOM 0x020000
	#define PRID_COMP_ALCHEMY 0x030000
	#define PRID_COMP_SIBYTE 0x040000
	#define PRID_COMP_SANDCRAFT 0x050000
	#define PRID_COMP_PHILIPS 0x060000
	#define PRID_COMP_TOSHIBA 0x070000
	#define PRID_COMP_LSI 0x080000
	#define PRID_COMP_LEXRA 0x0b0000


	/*
	* Assigned values for the product ID register. In order to detect a
	* certain CPU type exactly eventually additional registers may need to
	* be examined. These are valid when 23:16 == PRID_COMP_LEGACY
	*/
	#define PRID_IMP_R2000 0x0100
	#define PRID_IMP_AU1_REV1 0x0100
	#define PRID_IMP_AU1_REV2 0x0200
	#define PRID_IMP_R3000 0x0200 /* Same as R2000A */
	#define PRID_IMP_R6000 0x0300 /* Same as R3000A */
	#define PRID_IMP_R4000 0x0400
	#define PRID_IMP_R6000A 0x0600
	#define PRID_IMP_R10000 0x0900
	#define PRID_IMP_R4300 0x0b00
	#define PRID_IMP_VR41XX 0x0c00
	#define PRID_IMP_R12000 0x0e00
	#define PRID_IMP_R8000 0x1000
	#define PRID_IMP_R4600 0x2000
	#define PRID_IMP_R4700 0x2100
	#define PRID_IMP_TX39 0x2200
	#define PRID_IMP_R4640 0x2200
	#define PRID_IMP_R4650 0x2200 /* Same as R4640 */
	#define PRID_IMP_R5000 0x2300
	#define PRID_IMP_TX49 0x2d00
	#define PRID_IMP_SONIC 0x2400
	#define PRID_IMP_MAGIC 0x2500
	#define PRID_IMP_RM7000 0x2700
	#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
	#define PRID_IMP_RM9000 0x3400
	#define PRID_IMP_R5432 0x5400
	#define PRID_IMP_R5500 0x5500
	#define PRID_IMP_4KC 0x8000
	#define PRID_IMP_5KC 0x8100
	#define PRID_IMP_20KC 0x8200
	#define PRID_IMP_4KEC 0x8400
	#define PRID_IMP_4KSC 0x8600
	#define PRID_IMP_25KF 0x8800
	#define PRID_IMP_5KE 0x8900
	#define PRID_IMP_4KECR2 0x9000
	#define PRID_IMP_4KEMPR2 0x9100
	#define PRID_IMP_4KSD 0x9200
	#define PRID_IMP_24K 0x9300

	#define PRID_IMP_UNKNOWN 0xff00

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
	*/

	#define PRID_IMP_SB1 0x0100

	/*
	* These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
	*/

	#define PRID_IMP_SR71000 0x0400

	/*
	* Definitions for 7:0 on legacy processors
	*/


	#define PRID_REV_TX4927 0x0022
	#define PRID_REV_TX4937 0x0030
	#define PRID_REV_R4400 0x0040
	#define PRID_REV_R3000A 0x0030
	#define PRID_REV_R3000 0x0020
	#define PRID_REV_R2000A 0x0010
	#define PRID_REV_TX3912 0x0010
	#define PRID_REV_TX3922 0x0030
	#define PRID_REV_TX3927 0x0040
	#define PRID_REV_VR4111 0x0050
	#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
	#define PRID_REV_VR4121 0x0060
	#define PRID_REV_VR4122 0x0070
	#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
	#define PRID_REV_VR4130 0x0080

	/*
	* FPU implementation/revision register (CP1 control register 0).
	*
	* +---------------------------------+----------------+----------------+
	* \| 0 \| Implementation \| Revision \|
	* +---------------------------------+----------------+----------------+
	* 31 16 15 8 7 0
	*/

	#define FPIR_IMP_NONE 0x0000

	#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_R12000 21
	#define CPU_R4300 22
	#define CPU_R4650 23
	#define CPU_R4700 24
	#define CPU_R5000 25
	#define CPU_R5000A 26
	#define CPU_R4640 27
	#define CPU_NEVADA 28
	#define CPU_RM7000 29
	#define CPU_R5432 30
	#define CPU_4KC 31
	#define CPU_5KC 32
	#define CPU_R4310 33
	#define CPU_SB1 34
	#define CPU_TX3912 35
	#define CPU_TX3922 36
	#define CPU_TX3927 37
	#define CPU_AU1000 38
	#define CPU_4KEC 39
	#define CPU_4KSC 40
	#define CPU_VR41XX 41
	#define CPU_R5500 42
	#define CPU_TX49XX 43
	#define CPU_AU1500 44
	#define CPU_20KC 45
	#define CPU_VR4111 46
	#define CPU_VR4121 47
	#define CPU_VR4122 48
	#define CPU_VR4131 49
	#define CPU_VR4181 50
	#define CPU_VR4181A 51
	#define CPU_AU1100 52
	#define CPU_SR71000 53
	#define CPU_RM9000 54
	#define CPU_25KF 55
	#define CPU_VR4133 56
	#define CPU_AU1550 57
	#define CPU_24K 58
	#define CPU_AU1200 59
	#define CPU_LAST 59

	/*
	* ISA Level encodings
	*
	*/
	#define MIPS_CPU_ISA_I 0x00000001
	#define MIPS_CPU_ISA_II 0x00000002
	#define MIPS_CPU_ISA_III 0x00008003
	#define MIPS_CPU_ISA_IV 0x00008004
	#define MIPS_CPU_ISA_V 0x00008005
	#define MIPS_CPU_ISA_M32 0x00000020
	#define MIPS_CPU_ISA_M64 0x00008040

	/*
	* Bit 15 encodes if an ISA level supports 64-bit operations.
	*/
	#define MIPS_CPU_ISA_64BIT 0x00008000

	/*
	* CPU Option encodings
	*/
	#define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
	/* Leave a spare bit for variant MMU types... */
	#define MIPS_CPU_4KEX 0x00000004 /* "R4K" exception model */
	#define MIPS_CPU_4KTLB 0x00000008 /* "R4K" TLB handler */
	#define MIPS_CPU_FPU 0x00000010 /* CPU has FPU */
	#define MIPS_CPU_32FPR 0x00000020 /* 32 dbl. prec. FP registers */
	#define MIPS_CPU_COUNTER 0x00000040 /* Cycle count/compare */
	#define MIPS_CPU_WATCH 0x00000080 /* watchpoint registers */
	#define MIPS_CPU_MIPS16 0x00000100 /* code compression */
	#define MIPS_CPU_DIVEC 0x00000200 /* dedicated interrupt vector */
	#define MIPS_CPU_VCE 0x00000400 /* virt. coherence conflict possible */
	#define MIPS_CPU_CACHE_CDEX_P 0x00000800 /* Create_Dirty_Exclusive CACHE op */
	#define MIPS_CPU_CACHE_CDEX_S 0x00001000 /* ... same for seconary cache ... */
	#define MIPS_CPU_MCHECK 0x00002000 /* Machine check exception */
	#define MIPS_CPU_EJTAG 0x00004000 /* EJTAG exception */
	#define MIPS_CPU_NOFPUEX 0x00008000 /* no FPU exception */
	#define MIPS_CPU_LLSC 0x00010000 /* CPU has ll/sc instructions */
	#define MIPS_CPU_SUBSET_CACHES 0x00020000 /* P-cache subset enforced */
	#define MIPS_CPU_PREFETCH 0x00040000 /* CPU has usable prefetch */

	#endif /* _ASM_CPU_H */