2 * cpu.h: Values of the PRId register used to match up
3 * various MIPS cpu types.
5 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
6 * Copyright (C) 2004 Maciej W. Rozycki
11 /* Assigned Company values for bits 23:16 of the PRId Register
12 (CP0 register 15, select 0). As of the MIPS32 and MIPS64 specs from
13 MTI, the PRId register is defined in this (backwards compatible)
16 +----------------+----------------+----------------+----------------+
17 | Company Options| Company ID | Processor ID | Revision |
18 +----------------+----------------+----------------+----------------+
21 I don't have docs for all the previous processors, but my impression is
22 that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
26 #define PRID_COMP_LEGACY 0x000000
27 #define PRID_COMP_MIPS 0x010000
28 #define PRID_COMP_BROADCOM 0x020000
29 #define PRID_COMP_ALCHEMY 0x030000
30 #define PRID_COMP_SIBYTE 0x040000
31 #define PRID_COMP_SANDCRAFT 0x050000
32 #define PRID_COMP_PHILIPS 0x060000
33 #define PRID_COMP_TOSHIBA 0x070000
34 #define PRID_COMP_LSI 0x080000
35 #define PRID_COMP_LEXRA 0x0b0000
39 * Assigned values for the product ID register. In order to detect a
40 * certain CPU type exactly eventually additional registers may need to
41 * be examined. These are valid when 23:16 == PRID_COMP_LEGACY
43 #define PRID_IMP_R2000 0x0100
44 #define PRID_IMP_AU1_REV1 0x0100
45 #define PRID_IMP_AU1_REV2 0x0200
46 #define PRID_IMP_R3000 0x0200 /* Same as R2000A */
47 #define PRID_IMP_R6000 0x0300 /* Same as R3000A */
48 #define PRID_IMP_R4000 0x0400
49 #define PRID_IMP_R6000A 0x0600
50 #define PRID_IMP_R10000 0x0900
51 #define PRID_IMP_R4300 0x0b00
52 #define PRID_IMP_VR41XX 0x0c00
53 #define PRID_IMP_R12000 0x0e00
54 #define PRID_IMP_R14000 0x0f00
55 #define PRID_IMP_R8000 0x1000
56 #define PRID_IMP_PR4450 0x1200
57 #define PRID_IMP_R4600 0x2000
58 #define PRID_IMP_R4700 0x2100
59 #define PRID_IMP_TX39 0x2200
60 #define PRID_IMP_R4640 0x2200
61 #define PRID_IMP_R4650 0x2200 /* Same as R4640 */
62 #define PRID_IMP_R5000 0x2300
63 #define PRID_IMP_TX49 0x2d00
64 #define PRID_IMP_SONIC 0x2400
65 #define PRID_IMP_MAGIC 0x2500
66 #define PRID_IMP_RM7000 0x2700
67 #define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
68 #define PRID_IMP_RM9000 0x3400
69 #define PRID_IMP_R5432 0x5400
70 #define PRID_IMP_R5500 0x5500
72 #define PRID_IMP_UNKNOWN 0xff00
75 * These are the PRID's for when 23:16 == PRID_COMP_MIPS
78 #define PRID_IMP_4KC 0x8000
79 #define PRID_IMP_5KC 0x8100
80 #define PRID_IMP_20KC 0x8200
81 #define PRID_IMP_4KEC 0x8400
82 #define PRID_IMP_4KSC 0x8600
83 #define PRID_IMP_25KF 0x8800
84 #define PRID_IMP_5KE 0x8900
85 #define PRID_IMP_4KECR2 0x9000
86 #define PRID_IMP_4KEMPR2 0x9100
87 #define PRID_IMP_4KSD 0x9200
88 #define PRID_IMP_24K 0x9300
89 #define PRID_IMP_34K 0x9500
90 #define PRID_IMP_24KE 0x9600
91 #define PRID_IMP_74K 0x9700
92 #define PRID_IMP_LOONGSON1 0x4200
93 #define PRID_IMP_LOONGSON2 0x6300
96 * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
99 #define PRID_IMP_SB1 0x0100
100 #define PRID_IMP_SB1A 0x1100
103 * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
106 #define PRID_IMP_SR71000 0x0400
109 * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
112 #define PRID_IMP_BCM4710 0x4000
113 #define PRID_IMP_BCM3302 0x9000
116 * Definitions for 7:0 on legacy processors
119 #define PRID_REV_MASK 0x00ff
121 #define PRID_REV_TX4927 0x0022
122 #define PRID_REV_TX4937 0x0030
123 #define PRID_REV_R4400 0x0040
124 #define PRID_REV_R3000A 0x0030
125 #define PRID_REV_R3000 0x0020
126 #define PRID_REV_R2000A 0x0010
127 #define PRID_REV_TX3912 0x0010
128 #define PRID_REV_TX3922 0x0030
129 #define PRID_REV_TX3927 0x0040
130 #define PRID_REV_VR4111 0x0050
131 #define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
132 #define PRID_REV_VR4121 0x0060
133 #define PRID_REV_VR4122 0x0070
134 #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
135 #define PRID_REV_VR4130 0x0080
136 #define PRID_REV_34K_V1_0_2 0x0022
139 * Older processors used to encode processor version and revision in two
140 * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
141 * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
142 * the patch number. *ARGH*
144 #define PRID_REV_ENCODE_44(ver, rev) \
146 #define PRID_REV_ENCODE_332(ver, rev, patch) \
147 ((ver) << 5 | (rev) << 2 | (patch))
150 * FPU implementation/revision register (CP1 control register 0).
152 * +---------------------------------+----------------+----------------+
153 * | 0 | Implementation | Revision |
154 * +---------------------------------+----------------+----------------+
158 #define FPIR_IMP_NONE 0x0000
164 * R2000 class processors
166 CPU_R2000
, CPU_R3000
, CPU_R3000A
, CPU_R3041
, CPU_R3051
, CPU_R3052
,
167 CPU_R3081
, CPU_R3081E
,
170 * R6000 class processors
172 CPU_R6000
, CPU_R6000A
,
175 * R4000 class processors
177 CPU_R4000PC
, CPU_R4000SC
, CPU_R4000MC
, CPU_R4200
, CPU_R4300
, CPU_R4310
,
178 CPU_R4400PC
, CPU_R4400SC
, CPU_R4400MC
, CPU_R4600
, CPU_R4640
, CPU_R4650
,
179 CPU_R4700
, CPU_R5000
, CPU_R5000A
, CPU_R5500
, CPU_NEVADA
, CPU_R5432
,
180 CPU_R10000
, CPU_R12000
, CPU_R14000
, CPU_VR41XX
, CPU_VR4111
, CPU_VR4121
,
181 CPU_VR4122
, CPU_VR4131
, CPU_VR4133
, CPU_VR4181
, CPU_VR4181A
, CPU_RM7000
,
182 CPU_SR71000
, CPU_RM9000
, CPU_TX49XX
,
185 * R8000 class processors
190 * TX3900 class processors
192 CPU_TX3912
, CPU_TX3922
, CPU_TX3927
,
195 * MIPS32 class processors
197 CPU_4KC
, CPU_4KEC
, CPU_4KSC
, CPU_24K
, CPU_34K
, CPU_74K
, CPU_AU1000
,
198 CPU_AU1100
, CPU_AU1200
, CPU_AU1500
, CPU_AU1550
, CPU_PR4450
,
199 CPU_BCM3302
, CPU_BCM4710
,
202 * MIPS64 class processors
204 CPU_5KC
, CPU_20KC
, CPU_25KF
, CPU_SB1
, CPU_SB1A
, CPU_LOONGSON2
,
211 * ISA Level encodings
214 #define MIPS_CPU_ISA_I 0x00000001
215 #define MIPS_CPU_ISA_II 0x00000002
216 #define MIPS_CPU_ISA_III 0x00000004
217 #define MIPS_CPU_ISA_IV 0x00000008
218 #define MIPS_CPU_ISA_V 0x00000010
219 #define MIPS_CPU_ISA_M32R1 0x00000020
220 #define MIPS_CPU_ISA_M32R2 0x00000040
221 #define MIPS_CPU_ISA_M64R1 0x00000080
222 #define MIPS_CPU_ISA_M64R2 0x00000100
224 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \
225 MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )
226 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
227 MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)
230 * CPU Option encodings
232 #define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
233 #define MIPS_CPU_4KEX 0x00000002 /* "R4K" exception model */
234 #define MIPS_CPU_3K_CACHE 0x00000004 /* R3000-style caches */
235 #define MIPS_CPU_4K_CACHE 0x00000008 /* R4000-style caches */
236 #define MIPS_CPU_TX39_CACHE 0x00000010 /* TX3900-style caches */
237 #define MIPS_CPU_FPU 0x00000020 /* CPU has FPU */
238 #define MIPS_CPU_32FPR 0x00000040 /* 32 dbl. prec. FP registers */
239 #define MIPS_CPU_COUNTER 0x00000080 /* Cycle count/compare */
240 #define MIPS_CPU_WATCH 0x00000100 /* watchpoint registers */
241 #define MIPS_CPU_DIVEC 0x00000200 /* dedicated interrupt vector */
242 #define MIPS_CPU_VCE 0x00000400 /* virt. coherence conflict possible */
243 #define MIPS_CPU_CACHE_CDEX_P 0x00000800 /* Create_Dirty_Exclusive CACHE op */
244 #define MIPS_CPU_CACHE_CDEX_S 0x00001000 /* ... same for seconary cache ... */
245 #define MIPS_CPU_MCHECK 0x00002000 /* Machine check exception */
246 #define MIPS_CPU_EJTAG 0x00004000 /* EJTAG exception */
247 #define MIPS_CPU_NOFPUEX 0x00008000 /* no FPU exception */
248 #define MIPS_CPU_LLSC 0x00010000 /* CPU has ll/sc instructions */
249 #define MIPS_CPU_INCLUSIVE_CACHES 0x00020000 /* P-cache subset enforced */
250 #define MIPS_CPU_PREFETCH 0x00040000 /* CPU has usable prefetch */
251 #define MIPS_CPU_VINT 0x00080000 /* CPU supports MIPSR2 vectored interrupts */
252 #define MIPS_CPU_VEIC 0x00100000 /* CPU supports MIPSR2 external interrupt controller mode */
253 #define MIPS_CPU_ULRI 0x00200000 /* CPU has ULRI feature */
258 #define MIPS_ASE_MIPS16 0x00000001 /* code compression */
259 #define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
260 #define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
261 #define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
262 #define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
263 #define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
266 #endif /* _ASM_CPU_H */
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