include/asm-mips/cpu.h - 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)

            
             * Copyright (C) 2004  Maciej W. Rozycki

            
             */

            
            #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_R14000		0x0f00

            
            #define PRID_IMP_R8000		0x1000

            
            #define PRID_IMP_PR4450		0x1200

            
            #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_UNKNOWN	0xff00


            /*

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

            
             */


            #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_34K		0x9500

            
            #define PRID_IMP_24KE		0x9600

            
            #define PRID_IMP_74K		0x9700


            /*

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

            
             */


            #define PRID_IMP_SB1            0x0100

            
            #define PRID_IMP_SB1A           0x1100


            /*

            
             * 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_34K			60

            
            #define CPU_PR4450		61

            
            #define CPU_SB1A		62

            
            #define CPU_74K			63

            
            #define CPU_R14000		64

            
            #define CPU_LAST		64


            /*

            
             * ISA Level encodings

            
             *

            
             */

            
            #define MIPS_CPU_ISA_I		0x00000001

            
            #define MIPS_CPU_ISA_II		0x00000002

            
            #define MIPS_CPU_ISA_III	0x00000004

            
            #define MIPS_CPU_ISA_IV		0x00000008

            
            #define MIPS_CPU_ISA_V		0x00000010

            
            #define MIPS_CPU_ISA_M32R1	0x00000020

            
            #define MIPS_CPU_ISA_M32R2	0x00000040

            
            #define MIPS_CPU_ISA_M64R1	0x00000080

            
            #define MIPS_CPU_ISA_M64R2	0x00000100


            #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \

            
            	MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )

            
            #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \

            
            	MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)


            /*

            
             * CPU Option encodings

            
             */

            
            #define MIPS_CPU_TLB		0x00000001 /* CPU has TLB */

            
            #define MIPS_CPU_4KEX		0x00000002 /* "R4K" exception model */

            
            #define MIPS_CPU_3K_CACHE	0x00000004 /* R3000-style caches */

            
            #define MIPS_CPU_4K_CACHE	0x00000008 /* R4000-style caches */

            
            #define MIPS_CPU_TX39_CACHE	0x00000010 /* TX3900-style caches */

            
            #define MIPS_CPU_SB1_CACHE	0x00000020 /* SB1-style caches */

            
            #define MIPS_CPU_FPU		0x00000040 /* CPU has FPU */

            
            #define MIPS_CPU_32FPR		0x00000080 /* 32 dbl. prec. FP registers */

            
            #define MIPS_CPU_COUNTER	0x00000100 /* Cycle count/compare */

            
            #define MIPS_CPU_WATCH		0x00000200 /* watchpoint registers */

            
            #define MIPS_CPU_DIVEC		0x00000400 /* dedicated interrupt vector */

            
            #define MIPS_CPU_VCE		0x00000800 /* virt. coherence conflict possible */

            
            #define MIPS_CPU_CACHE_CDEX_P	0x00001000 /* Create_Dirty_Exclusive CACHE op */

            
            #define MIPS_CPU_CACHE_CDEX_S	0x00002000 /* ... same for seconary cache ... */

            
            #define MIPS_CPU_MCHECK		0x00004000 /* Machine check exception */

            
            #define MIPS_CPU_EJTAG		0x00008000 /* EJTAG exception */

            
            #define MIPS_CPU_NOFPUEX	0x00010000 /* no FPU exception */

            
            #define MIPS_CPU_LLSC		0x00020000 /* CPU has ll/sc instructions */

            
            #define MIPS_CPU_INCLUSIVE_CACHES	0x00040000 /* P-cache subset enforced */

            
            #define MIPS_CPU_PREFETCH	0x00080000 /* CPU has usable prefetch */

            
            #define MIPS_CPU_VINT		0x00100000 /* CPU supports MIPSR2 vectored interrupts */

            
            #define MIPS_CPU_VEIC		0x00200000 /* CPU supports MIPSR2 external interrupt controller mode */


            /*

            
             * CPU ASE encodings

            
             */

            
            #define MIPS_ASE_MIPS16		0x00000001 /* code compression */

            
            #define MIPS_ASE_MDMX		0x00000002 /* MIPS digital media extension */

            
            #define MIPS_ASE_MIPS3D		0x00000004 /* MIPS-3D */

            
            #define MIPS_ASE_SMARTMIPS	0x00000008 /* SmartMIPS */

            
            #define MIPS_ASE_DSP		0x00000010 /* Signal Processing ASE */

            
            #define MIPS_ASE_MIPSMT		0x00000020 /* CPU supports MIPS MT */


            #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)
	* Copyright (C) 2004 Maciej W. Rozycki
	*/
	#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_R14000 0x0f00
	#define PRID_IMP_R8000 0x1000
	#define PRID_IMP_PR4450 0x1200
	#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_UNKNOWN 0xff00

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

	#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_34K 0x9500
	#define PRID_IMP_24KE 0x9600
	#define PRID_IMP_74K 0x9700

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

	#define PRID_IMP_SB1 0x0100
	#define PRID_IMP_SB1A 0x1100

	/*
	* 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_34K 60
	#define CPU_PR4450 61
	#define CPU_SB1A 62
	#define CPU_74K 63
	#define CPU_R14000 64
	#define CPU_LAST 64

	/*
	* ISA Level encodings
	*
	*/
	#define MIPS_CPU_ISA_I 0x00000001
	#define MIPS_CPU_ISA_II 0x00000002
	#define MIPS_CPU_ISA_III 0x00000004
	#define MIPS_CPU_ISA_IV 0x00000008
	#define MIPS_CPU_ISA_V 0x00000010
	#define MIPS_CPU_ISA_M32R1 0x00000020
	#define MIPS_CPU_ISA_M32R2 0x00000040
	#define MIPS_CPU_ISA_M64R1 0x00000080
	#define MIPS_CPU_ISA_M64R2 0x00000100

	#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I \| MIPS_CPU_ISA_II \| \
	MIPS_CPU_ISA_M32R1 \| MIPS_CPU_ISA_M32R2 )
	#define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III \| MIPS_CPU_ISA_IV \| \
	MIPS_CPU_ISA_V \| MIPS_CPU_ISA_M64R1 \| MIPS_CPU_ISA_M64R2)

	/*
	* CPU Option encodings
	*/
	#define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
	#define MIPS_CPU_4KEX 0x00000002 /* "R4K" exception model */
	#define MIPS_CPU_3K_CACHE 0x00000004 /* R3000-style caches */
	#define MIPS_CPU_4K_CACHE 0x00000008 /* R4000-style caches */
	#define MIPS_CPU_TX39_CACHE 0x00000010 /* TX3900-style caches */
	#define MIPS_CPU_SB1_CACHE 0x00000020 /* SB1-style caches */
	#define MIPS_CPU_FPU 0x00000040 /* CPU has FPU */
	#define MIPS_CPU_32FPR 0x00000080 /* 32 dbl. prec. FP registers */
	#define MIPS_CPU_COUNTER 0x00000100 /* Cycle count/compare */
	#define MIPS_CPU_WATCH 0x00000200 /* watchpoint registers */
	#define MIPS_CPU_DIVEC 0x00000400 /* dedicated interrupt vector */
	#define MIPS_CPU_VCE 0x00000800 /* virt. coherence conflict possible */
	#define MIPS_CPU_CACHE_CDEX_P 0x00001000 /* Create_Dirty_Exclusive CACHE op */
	#define MIPS_CPU_CACHE_CDEX_S 0x00002000 /* ... same for seconary cache ... */
	#define MIPS_CPU_MCHECK 0x00004000 /* Machine check exception */
	#define MIPS_CPU_EJTAG 0x00008000 /* EJTAG exception */
	#define MIPS_CPU_NOFPUEX 0x00010000 /* no FPU exception */
	#define MIPS_CPU_LLSC 0x00020000 /* CPU has ll/sc instructions */
	#define MIPS_CPU_INCLUSIVE_CACHES 0x00040000 /* P-cache subset enforced */
	#define MIPS_CPU_PREFETCH 0x00080000 /* CPU has usable prefetch */
	#define MIPS_CPU_VINT 0x00100000 /* CPU supports MIPSR2 vectored interrupts */
	#define MIPS_CPU_VEIC 0x00200000 /* CPU supports MIPSR2 external interrupt controller mode */

	/*
	* CPU ASE encodings
	*/
	#define MIPS_ASE_MIPS16 0x00000001 /* code compression */
	#define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
	#define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
	#define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
	#define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
	#define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */


	#endif /* _ASM_CPU_H */