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_NXP 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_LOONGSON1 0x4200
70 #define PRID_IMP_R5432 0x5400
71 #define PRID_IMP_R5500 0x5500
72 #define PRID_IMP_LOONGSON2 0x6300
74 #define PRID_IMP_UNKNOWN 0xff00
77 * These are the PRID's for when 23:16 == PRID_COMP_MIPS
80 #define PRID_IMP_4KC 0x8000
81 #define PRID_IMP_5KC 0x8100
82 #define PRID_IMP_20KC 0x8200
83 #define PRID_IMP_4KEC 0x8400
84 #define PRID_IMP_4KSC 0x8600
85 #define PRID_IMP_25KF 0x8800
86 #define PRID_IMP_5KE 0x8900
87 #define PRID_IMP_4KECR2 0x9000
88 #define PRID_IMP_4KEMPR2 0x9100
89 #define PRID_IMP_4KSD 0x9200
90 #define PRID_IMP_24K 0x9300
91 #define PRID_IMP_34K 0x9500
92 #define PRID_IMP_24KE 0x9600
93 #define PRID_IMP_74K 0x9700
94 #define PRID_IMP_1004K 0x9900
97 * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
100 #define PRID_IMP_SB1 0x0100
101 #define PRID_IMP_SB1A 0x1100
104 * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
107 #define PRID_IMP_SR71000 0x0400
110 * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
113 #define PRID_IMP_BCM4710 0x4000
114 #define PRID_IMP_BCM3302 0x9000
117 * Definitions for 7:0 on legacy processors
120 #define PRID_REV_MASK 0x00ff
122 #define PRID_REV_TX4927 0x0022
123 #define PRID_REV_TX4937 0x0030
124 #define PRID_REV_R4400 0x0040
125 #define PRID_REV_R3000A 0x0030
126 #define PRID_REV_R3000 0x0020
127 #define PRID_REV_R2000A 0x0010
128 #define PRID_REV_TX3912 0x0010
129 #define PRID_REV_TX3922 0x0030
130 #define PRID_REV_TX3927 0x0040
131 #define PRID_REV_VR4111 0x0050
132 #define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
133 #define PRID_REV_VR4121 0x0060
134 #define PRID_REV_VR4122 0x0070
135 #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
136 #define PRID_REV_VR4130 0x0080
137 #define PRID_REV_34K_V1_0_2 0x0022
140 * Older processors used to encode processor version and revision in two
141 * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
142 * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
143 * the patch number. *ARGH*
145 #define PRID_REV_ENCODE_44(ver, rev) \
147 #define PRID_REV_ENCODE_332(ver, rev, patch) \
148 ((ver) << 5 | (rev) << 2 | (patch))
151 * FPU implementation/revision register (CP1 control register 0).
153 * +---------------------------------+----------------+----------------+
154 * | 0 | Implementation | Revision |
155 * +---------------------------------+----------------+----------------+
159 #define FPIR_IMP_NONE 0x0000
165 * R2000 class processors
167 CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052,
168 CPU_R3081, CPU_R3081E,
171 * R6000 class processors
173 CPU_R6000, CPU_R6000A,
176 * R4000 class processors
178 CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310,
179 CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650,
180 CPU_R4700, CPU_R5000, CPU_R5000A, CPU_R5500, CPU_NEVADA, CPU_R5432,
181 CPU_R10000, CPU_R12000, CPU_R14000, CPU_VR41XX, CPU_VR4111, CPU_VR4121,
182 CPU_VR4122, CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000,
183 CPU_SR71000, CPU_RM9000, CPU_TX49XX,
186 * R8000 class processors
191 * TX3900 class processors
193 CPU_TX3912, CPU_TX3922, CPU_TX3927,
196 * MIPS32 class processors
198 CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
199 CPU_AU1000, CPU_AU1100, CPU_AU1200, CPU_AU1210, CPU_AU1250, CPU_AU1500,
200 CPU_AU1550, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
203 * MIPS64 class processors
205 CPU_5KC, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
212 * ISA Level encodings
215 #define MIPS_CPU_ISA_I 0x00000001
216 #define MIPS_CPU_ISA_II 0x00000002
217 #define MIPS_CPU_ISA_III 0x00000004
218 #define MIPS_CPU_ISA_IV 0x00000008
219 #define MIPS_CPU_ISA_V 0x00000010
220 #define MIPS_CPU_ISA_M32R1 0x00000020
221 #define MIPS_CPU_ISA_M32R2 0x00000040
222 #define MIPS_CPU_ISA_M64R1 0x00000080
223 #define MIPS_CPU_ISA_M64R2 0x00000100
225 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \
226 MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )
227 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
228 MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)
231 * CPU Option encodings
233 #define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */
234 #define MIPS_CPU_4KEX 0x00000002 /* "R4K" exception model */
235 #define MIPS_CPU_3K_CACHE 0x00000004 /* R3000-style caches */
236 #define MIPS_CPU_4K_CACHE 0x00000008 /* R4000-style caches */
237 #define MIPS_CPU_TX39_CACHE 0x00000010 /* TX3900-style caches */
238 #define MIPS_CPU_FPU 0x00000020 /* CPU has FPU */
239 #define MIPS_CPU_32FPR 0x00000040 /* 32 dbl. prec. FP registers */
240 #define MIPS_CPU_COUNTER 0x00000080 /* Cycle count/compare */
241 #define MIPS_CPU_WATCH 0x00000100 /* watchpoint registers */
242 #define MIPS_CPU_DIVEC 0x00000200 /* dedicated interrupt vector */
243 #define MIPS_CPU_VCE 0x00000400 /* virt. coherence conflict possible */
244 #define MIPS_CPU_CACHE_CDEX_P 0x00000800 /* Create_Dirty_Exclusive CACHE op */
245 #define MIPS_CPU_CACHE_CDEX_S 0x00001000 /* ... same for seconary cache ... */
246 #define MIPS_CPU_MCHECK 0x00002000 /* Machine check exception */
247 #define MIPS_CPU_EJTAG 0x00004000 /* EJTAG exception */
248 #define MIPS_CPU_NOFPUEX 0x00008000 /* no FPU exception */
249 #define MIPS_CPU_LLSC 0x00010000 /* CPU has ll/sc instructions */
250 #define MIPS_CPU_INCLUSIVE_CACHES 0x00020000 /* P-cache subset enforced */
251 #define MIPS_CPU_PREFETCH 0x00040000 /* CPU has usable prefetch */
252 #define MIPS_CPU_VINT 0x00080000 /* CPU supports MIPSR2 vectored interrupts */
253 #define MIPS_CPU_VEIC 0x00100000 /* CPU supports MIPSR2 external interrupt controller mode */
254 #define MIPS_CPU_ULRI 0x00200000 /* CPU has ULRI feature */
259 #define MIPS_ASE_MIPS16 0x00000001 /* code compression */
260 #define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
261 #define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
262 #define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
263 #define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
264 #define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
267 #endif /* _ASM_CPU_H */