[deliverable/linux.git] / include / asm-mips / 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 */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* cpu.h: Values of the PRId register used to match up
	3	* various MIPS cpu types.
	4	*
	5	* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
	6	*/
	7	#ifndef _ASM_CPU_H
	8	#define _ASM_CPU_H
	9
	10	/* Assigned Company values for bits 23:16 of the PRId Register
	11	(CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from
	12	MTI, the PRId register is defined in this (backwards compatible)
	13	way:
	14
	15	+----------------+----------------+----------------+----------------+
	16	\| Company Options\| Company ID \| Processor ID \| Revision \|
	17	+----------------+----------------+----------------+----------------+
	18	31 24 23 16 15 8 7
	19
	20	I don't have docs for all the previous processors, but my impression is
	21	that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
	22	spec.
	23	*/
	24
55a6feb6 RB	25	#define PRID_COMP_LEGACY 0x000000
	26	#define PRID_COMP_MIPS 0x010000
	27	#define PRID_COMP_BROADCOM 0x020000
	28	#define PRID_COMP_ALCHEMY 0x030000
	29	#define PRID_COMP_SIBYTE 0x040000
	30	#define PRID_COMP_SANDCRAFT 0x050000
	31	#define PRID_COMP_PHILIPS 0x060000
	32	#define PRID_COMP_TOSHIBA 0x070000
	33	#define PRID_COMP_LSI 0x080000
	34	#define PRID_COMP_LEXRA 0x0b0000
	35
1da177e4 LT	36
	37	/*
	38	* Assigned values for the product ID register. In order to detect a
	39	* certain CPU type exactly eventually additional registers may need to
	40	* be examined. These are valid when 23:16 == PRID_COMP_LEGACY
	41	*/
	42	#define PRID_IMP_R2000 0x0100
	43	#define PRID_IMP_AU1_REV1 0x0100
	44	#define PRID_IMP_AU1_REV2 0x0200
	45	#define PRID_IMP_R3000 0x0200 /* Same as R2000A */
	46	#define PRID_IMP_R6000 0x0300 /* Same as R3000A */
	47	#define PRID_IMP_R4000 0x0400
	48	#define PRID_IMP_R6000A 0x0600
	49	#define PRID_IMP_R10000 0x0900
	50	#define PRID_IMP_R4300 0x0b00
	51	#define PRID_IMP_VR41XX 0x0c00
	52	#define PRID_IMP_R12000 0x0e00
	53	#define PRID_IMP_R8000 0x1000
	54	#define PRID_IMP_R4600 0x2000
	55	#define PRID_IMP_R4700 0x2100
	56	#define PRID_IMP_TX39 0x2200
	57	#define PRID_IMP_R4640 0x2200
	58	#define PRID_IMP_R4650 0x2200 /* Same as R4640 */
	59	#define PRID_IMP_R5000 0x2300
	60	#define PRID_IMP_TX49 0x2d00
	61	#define PRID_IMP_SONIC 0x2400
	62	#define PRID_IMP_MAGIC 0x2500
	63	#define PRID_IMP_RM7000 0x2700
	64	#define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
	65	#define PRID_IMP_RM9000 0x3400
	66	#define PRID_IMP_R5432 0x5400
	67	#define PRID_IMP_R5500 0x5500
	68	#define PRID_IMP_4KC 0x8000
	69	#define PRID_IMP_5KC 0x8100
	70	#define PRID_IMP_20KC 0x8200
	71	#define PRID_IMP_4KEC 0x8400
	72	#define PRID_IMP_4KSC 0x8600
	73	#define PRID_IMP_25KF 0x8800
	74	#define PRID_IMP_5KE 0x8900
	75	#define PRID_IMP_4KECR2 0x9000
	76	#define PRID_IMP_4KEMPR2 0x9100
	77	#define PRID_IMP_4KSD 0x9200
	78	#define PRID_IMP_24K 0x9300
	79
	80	#define PRID_IMP_UNKNOWN 0xff00
	81
	82	/*
	83	* These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
	84	*/
	85
	86	#define PRID_IMP_SB1 0x0100
	87
	88	/*
	89	* These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
	90	*/
	91
	92	#define PRID_IMP_SR71000 0x0400
	93
	94	/*
	95	* Definitions for 7:0 on legacy processors
	96	*/
	97
	98
	99	#define PRID_REV_TX4927 0x0022
100	#define PRID_REV_TX4937 0x0030
101	#define PRID_REV_R4400 0x0040
102	#define PRID_REV_R3000A 0x0030
103	#define PRID_REV_R3000 0x0020
104	#define PRID_REV_R2000A 0x0010
105	#define PRID_REV_TX3912 0x0010
106	#define PRID_REV_TX3922 0x0030
107	#define PRID_REV_TX3927 0x0040
108	#define PRID_REV_VR4111 0x0050
109	#define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
110	#define PRID_REV_VR4121 0x0060
111	#define PRID_REV_VR4122 0x0070
112	#define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
113	#define PRID_REV_VR4130 0x0080
114
115	/*
116	* FPU implementation/revision register (CP1 control register 0).
117	*
118	* +---------------------------------+----------------+----------------+
119	* \| 0 \| Implementation \| Revision \|
120	* +---------------------------------+----------------+----------------+
121	* 31 16 15 8 7 0
122	*/
123
124	#define FPIR_IMP_NONE 0x0000
125
126	#define CPU_UNKNOWN 0
127	#define CPU_R2000 1
128	#define CPU_R3000 2
129	#define CPU_R3000A 3
130	#define CPU_R3041 4
131	#define CPU_R3051 5
132	#define CPU_R3052 6
133	#define CPU_R3081 7
134	#define CPU_R3081E 8
135	#define CPU_R4000PC 9
136	#define CPU_R4000SC 10
137	#define CPU_R4000MC 11
138	#define CPU_R4200 12
139	#define CPU_R4400PC 13
140	#define CPU_R4400SC 14
141	#define CPU_R4400MC 15
142	#define CPU_R4600 16
143	#define CPU_R6000 17
144	#define CPU_R6000A 18
145	#define CPU_R8000 19
146	#define CPU_R10000 20
147	#define CPU_R12000 21
148	#define CPU_R4300 22
149	#define CPU_R4650 23
150	#define CPU_R4700 24
151	#define CPU_R5000 25
152	#define CPU_R5000A 26
153	#define CPU_R4640 27
154	#define CPU_NEVADA 28
155	#define CPU_RM7000 29
156	#define CPU_R5432 30
157	#define CPU_4KC 31
158	#define CPU_5KC 32
159	#define CPU_R4310 33
160	#define CPU_SB1 34
161	#define CPU_TX3912 35
162	#define CPU_TX3922 36
163	#define CPU_TX3927 37
164	#define CPU_AU1000 38
165	#define CPU_4KEC 39
166	#define CPU_4KSC 40
167	#define CPU_VR41XX 41
168	#define CPU_R5500 42
169	#define CPU_TX49XX 43
170	#define CPU_AU1500 44
171	#define CPU_20KC 45
172	#define CPU_VR4111 46
173	#define CPU_VR4121 47
174	#define CPU_VR4122 48
175	#define CPU_VR4131 49
176	#define CPU_VR4181 50
177	#define CPU_VR4181A 51
178	#define CPU_AU1100 52
179	#define CPU_SR71000 53
180	#define CPU_RM9000 54
181	#define CPU_25KF 55
182	#define CPU_VR4133 56
183	#define CPU_AU1550 57
184	#define CPU_24K 58
e3ad1c23 PP	185	#define CPU_AU1200 59
e3ad1c23 PP	186	#define CPU_LAST 59
1da177e4 LT	187
	188	/*
	189	* ISA Level encodings
	190	*
	191	*/
	192	#define MIPS_CPU_ISA_I 0x00000001
	193	#define MIPS_CPU_ISA_II 0x00000002
	194	#define MIPS_CPU_ISA_III 0x00008003
	195	#define MIPS_CPU_ISA_IV 0x00008004
	196	#define MIPS_CPU_ISA_V 0x00008005
	197	#define MIPS_CPU_ISA_M32 0x00000020
	198	#define MIPS_CPU_ISA_M64 0x00008040
	199
	200	/*
	201	* Bit 15 encodes if an ISA level supports 64-bit operations.
	202	*/
	203	#define MIPS_CPU_ISA_64BIT 0x00008000
	204
	205	/*
	206	* CPU Option encodings
	207	*/
	208	#define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
	209	/* Leave a spare bit for variant MMU types... */
	210	#define MIPS_CPU_4KEX 0x00000004 /* "R4K" exception model */
	211	#define MIPS_CPU_4KTLB 0x00000008 /* "R4K" TLB handler */
	212	#define MIPS_CPU_FPU 0x00000010 /* CPU has FPU */
	213	#define MIPS_CPU_32FPR 0x00000020 /* 32 dbl. prec. FP registers */
	214	#define MIPS_CPU_COUNTER 0x00000040 /* Cycle count/compare */
	215	#define MIPS_CPU_WATCH 0x00000080 /* watchpoint registers */
	216	#define MIPS_CPU_MIPS16 0x00000100 /* code compression */
	217	#define MIPS_CPU_DIVEC 0x00000200 /* dedicated interrupt vector */
	218	#define MIPS_CPU_VCE 0x00000400 /* virt. coherence conflict possible */
	219	#define MIPS_CPU_CACHE_CDEX_P 0x00000800 /* Create_Dirty_Exclusive CACHE op */
	220	#define MIPS_CPU_CACHE_CDEX_S 0x00001000 /* ... same for seconary cache ... */
	221	#define MIPS_CPU_MCHECK 0x00002000 /* Machine check exception */
	222	#define MIPS_CPU_EJTAG 0x00004000 /* EJTAG exception */
	223	#define MIPS_CPU_NOFPUEX 0x00008000 /* no FPU exception */
	224	#define MIPS_CPU_LLSC 0x00010000 /* CPU has ll/sc instructions */
	225	#define MIPS_CPU_SUBSET_CACHES 0x00020000 /* P-cache subset enforced */
	226	#define MIPS_CPU_PREFETCH 0x00040000 /* CPU has usable prefetch */
	227
	228	#endif /* _ASM_CPU_H */