Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * cpu.h: Values of the PRId register used to match up | |
70342287 | 3 | * various MIPS cpu types. |
1da177e4 | 4 | * |
79add627 | 5 | * Copyright (C) 1996 David S. Miller (davem@davemloft.net) |
8ff374b9 | 6 | * Copyright (C) 2004, 2013 Maciej W. Rozycki |
1da177e4 LT |
7 | */ |
8 | #ifndef _ASM_CPU_H | |
9 | #define _ASM_CPU_H | |
10 | ||
8ff374b9 MR |
11 | /* |
12 | As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0 | |
13 | register 15, select 0) is defined in this (backwards compatible) way: | |
1da177e4 LT |
14 | |
15 | +----------------+----------------+----------------+----------------+ | |
70342287 | 16 | | Company Options| Company ID | Processor ID | Revision | |
1da177e4 | 17 | +----------------+----------------+----------------+----------------+ |
70342287 | 18 | 31 24 23 16 15 8 7 |
1da177e4 LT |
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 | ||
8ff374b9 MR |
25 | #define PRID_OPT_MASK 0xff000000 |
26 | ||
27 | /* | |
28 | * Assigned Company values for bits 23:16 of the PRId register. | |
29 | */ | |
30 | ||
31 | #define PRID_COMP_MASK 0xff0000 | |
32 | ||
55a6feb6 RB |
33 | #define PRID_COMP_LEGACY 0x000000 |
34 | #define PRID_COMP_MIPS 0x010000 | |
35 | #define PRID_COMP_BROADCOM 0x020000 | |
36 | #define PRID_COMP_ALCHEMY 0x030000 | |
37 | #define PRID_COMP_SIBYTE 0x040000 | |
38 | #define PRID_COMP_SANDCRAFT 0x050000 | |
70342287 | 39 | #define PRID_COMP_NXP 0x060000 |
55a6feb6 RB |
40 | #define PRID_COMP_TOSHIBA 0x070000 |
41 | #define PRID_COMP_LSI 0x080000 | |
42 | #define PRID_COMP_LEXRA 0x0b0000 | |
a7117c6b | 43 | #define PRID_COMP_NETLOGIC 0x0c0000 |
0dd4781b | 44 | #define PRID_COMP_CAVIUM 0x0d0000 |
83ccf69d | 45 | #define PRID_COMP_INGENIC 0xd00000 |
1da177e4 LT |
46 | |
47 | /* | |
8ff374b9 MR |
48 | * Assigned Processor ID (implementation) values for bits 15:8 of the PRId |
49 | * register. In order to detect a certain CPU type exactly eventually | |
50 | * additional registers may need to be examined. | |
1da177e4 | 51 | */ |
8ff374b9 MR |
52 | |
53 | #define PRID_IMP_MASK 0xff00 | |
54 | ||
55 | /* | |
56 | * These are valid when 23:16 == PRID_COMP_LEGACY | |
57 | */ | |
58 | ||
1da177e4 LT |
59 | #define PRID_IMP_R2000 0x0100 |
60 | #define PRID_IMP_AU1_REV1 0x0100 | |
61 | #define PRID_IMP_AU1_REV2 0x0200 | |
62 | #define PRID_IMP_R3000 0x0200 /* Same as R2000A */ | |
63 | #define PRID_IMP_R6000 0x0300 /* Same as R3000A */ | |
64 | #define PRID_IMP_R4000 0x0400 | |
65 | #define PRID_IMP_R6000A 0x0600 | |
66 | #define PRID_IMP_R10000 0x0900 | |
67 | #define PRID_IMP_R4300 0x0b00 | |
68 | #define PRID_IMP_VR41XX 0x0c00 | |
69 | #define PRID_IMP_R12000 0x0e00 | |
44d921b2 | 70 | #define PRID_IMP_R14000 0x0f00 |
1da177e4 | 71 | #define PRID_IMP_R8000 0x1000 |
bdf21b18 | 72 | #define PRID_IMP_PR4450 0x1200 |
1da177e4 LT |
73 | #define PRID_IMP_R4600 0x2000 |
74 | #define PRID_IMP_R4700 0x2100 | |
75 | #define PRID_IMP_TX39 0x2200 | |
76 | #define PRID_IMP_R4640 0x2200 | |
77 | #define PRID_IMP_R4650 0x2200 /* Same as R4640 */ | |
78 | #define PRID_IMP_R5000 0x2300 | |
79 | #define PRID_IMP_TX49 0x2d00 | |
80 | #define PRID_IMP_SONIC 0x2400 | |
81 | #define PRID_IMP_MAGIC 0x2500 | |
82 | #define PRID_IMP_RM7000 0x2700 | |
83 | #define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */ | |
84 | #define PRID_IMP_RM9000 0x3400 | |
2954c02a | 85 | #define PRID_IMP_LOONGSON1 0x4200 |
1da177e4 LT |
86 | #define PRID_IMP_R5432 0x5400 |
87 | #define PRID_IMP_R5500 0x5500 | |
2954c02a | 88 | #define PRID_IMP_LOONGSON2 0x6300 |
98e316d4 MR |
89 | |
90 | #define PRID_IMP_UNKNOWN 0xff00 | |
91 | ||
92 | /* | |
93 | * These are the PRID's for when 23:16 == PRID_COMP_MIPS | |
94 | */ | |
95 | ||
1da177e4 LT |
96 | #define PRID_IMP_4KC 0x8000 |
97 | #define PRID_IMP_5KC 0x8100 | |
98 | #define PRID_IMP_20KC 0x8200 | |
99 | #define PRID_IMP_4KEC 0x8400 | |
100 | #define PRID_IMP_4KSC 0x8600 | |
101 | #define PRID_IMP_25KF 0x8800 | |
102 | #define PRID_IMP_5KE 0x8900 | |
103 | #define PRID_IMP_4KECR2 0x9000 | |
104 | #define PRID_IMP_4KEMPR2 0x9100 | |
105 | #define PRID_IMP_4KSD 0x9200 | |
106 | #define PRID_IMP_24K 0x9300 | |
bbc7f22f | 107 | #define PRID_IMP_34K 0x9500 |
e50c0a8f | 108 | #define PRID_IMP_24KE 0x9600 |
c620953c | 109 | #define PRID_IMP_74K 0x9700 |
39b8d525 | 110 | #define PRID_IMP_1004K 0x9900 |
006a851b | 111 | #define PRID_IMP_1074K 0x9a00 |
113c62d9 | 112 | #define PRID_IMP_M14KC 0x9c00 |
f8fa4811 | 113 | #define PRID_IMP_M14KEC 0x9e00 |
0ce7d58e LY |
114 | #define PRID_IMP_INTERAPTIV_UP 0xa000 |
115 | #define PRID_IMP_INTERAPTIV_MP 0xa100 | |
76f59e32 LY |
116 | #define PRID_IMP_PROAPTIV_UP 0xa200 |
117 | #define PRID_IMP_PROAPTIV_MP 0xa300 | |
1da177e4 | 118 | |
1da177e4 LT |
119 | /* |
120 | * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE | |
121 | */ | |
122 | ||
70342287 RB |
123 | #define PRID_IMP_SB1 0x0100 |
124 | #define PRID_IMP_SB1A 0x1100 | |
1da177e4 LT |
125 | |
126 | /* | |
127 | * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT | |
128 | */ | |
129 | ||
70342287 | 130 | #define PRID_IMP_SR71000 0x0400 |
1da177e4 | 131 | |
1c0c13eb AJ |
132 | /* |
133 | * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM | |
134 | */ | |
135 | ||
190fca3e KC |
136 | #define PRID_IMP_BMIPS32_REV4 0x4000 |
137 | #define PRID_IMP_BMIPS32_REV8 0x8000 | |
602977b0 KC |
138 | #define PRID_IMP_BMIPS3300 0x9000 |
139 | #define PRID_IMP_BMIPS3300_ALT 0x9100 | |
140 | #define PRID_IMP_BMIPS3300_BUG 0x0000 | |
141 | #define PRID_IMP_BMIPS43XX 0xa000 | |
142 | #define PRID_IMP_BMIPS5000 0x5a00 | |
143 | ||
144 | #define PRID_REV_BMIPS4380_LO 0x0040 | |
145 | #define PRID_REV_BMIPS4380_HI 0x006f | |
1c0c13eb | 146 | |
0dd4781b DD |
147 | /* |
148 | * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM | |
149 | */ | |
150 | ||
151 | #define PRID_IMP_CAVIUM_CN38XX 0x0000 | |
152 | #define PRID_IMP_CAVIUM_CN31XX 0x0100 | |
153 | #define PRID_IMP_CAVIUM_CN30XX 0x0200 | |
154 | #define PRID_IMP_CAVIUM_CN58XX 0x0300 | |
155 | #define PRID_IMP_CAVIUM_CN56XX 0x0400 | |
156 | #define PRID_IMP_CAVIUM_CN50XX 0x0600 | |
157 | #define PRID_IMP_CAVIUM_CN52XX 0x0700 | |
1584d7f2 | 158 | #define PRID_IMP_CAVIUM_CN63XX 0x9000 |
074ef0d2 DD |
159 | #define PRID_IMP_CAVIUM_CN68XX 0x9100 |
160 | #define PRID_IMP_CAVIUM_CN66XX 0x9200 | |
161 | #define PRID_IMP_CAVIUM_CN61XX 0x9300 | |
71a8b7d8 DD |
162 | #define PRID_IMP_CAVIUM_CNF71XX 0x9400 |
163 | #define PRID_IMP_CAVIUM_CN78XX 0x9500 | |
164 | #define PRID_IMP_CAVIUM_CN70XX 0x9600 | |
0dd4781b | 165 | |
83ccf69d LPC |
166 | /* |
167 | * These are the PRID's for when 23:16 == PRID_COMP_INGENIC | |
168 | */ | |
169 | ||
70342287 | 170 | #define PRID_IMP_JZRISC 0x0200 |
83ccf69d | 171 | |
a7117c6b J |
172 | /* |
173 | * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC | |
174 | */ | |
175 | #define PRID_IMP_NETLOGIC_XLR732 0x0000 | |
176 | #define PRID_IMP_NETLOGIC_XLR716 0x0200 | |
177 | #define PRID_IMP_NETLOGIC_XLR532 0x0900 | |
178 | #define PRID_IMP_NETLOGIC_XLR308 0x0600 | |
179 | #define PRID_IMP_NETLOGIC_XLR532C 0x0800 | |
180 | #define PRID_IMP_NETLOGIC_XLR516C 0x0a00 | |
181 | #define PRID_IMP_NETLOGIC_XLR508C 0x0b00 | |
182 | #define PRID_IMP_NETLOGIC_XLR308C 0x0f00 | |
183 | #define PRID_IMP_NETLOGIC_XLS608 0x8000 | |
184 | #define PRID_IMP_NETLOGIC_XLS408 0x8800 | |
185 | #define PRID_IMP_NETLOGIC_XLS404 0x8c00 | |
186 | #define PRID_IMP_NETLOGIC_XLS208 0x8e00 | |
187 | #define PRID_IMP_NETLOGIC_XLS204 0x8f00 | |
188 | #define PRID_IMP_NETLOGIC_XLS108 0xce00 | |
189 | #define PRID_IMP_NETLOGIC_XLS104 0xcf00 | |
190 | #define PRID_IMP_NETLOGIC_XLS616B 0x4000 | |
191 | #define PRID_IMP_NETLOGIC_XLS608B 0x4a00 | |
192 | #define PRID_IMP_NETLOGIC_XLS416B 0x4400 | |
193 | #define PRID_IMP_NETLOGIC_XLS412B 0x4c00 | |
194 | #define PRID_IMP_NETLOGIC_XLS408B 0x4e00 | |
195 | #define PRID_IMP_NETLOGIC_XLS404B 0x4f00 | |
809f36c6 | 196 | #define PRID_IMP_NETLOGIC_AU13XX 0x8000 |
a7117c6b | 197 | |
2aa54b20 J |
198 | #define PRID_IMP_NETLOGIC_XLP8XX 0x1000 |
199 | #define PRID_IMP_NETLOGIC_XLP3XX 0x1100 | |
4ca86a2f | 200 | #define PRID_IMP_NETLOGIC_XLP2XX 0x1200 |
a7117c6b | 201 | |
1da177e4 | 202 | /* |
8ff374b9 | 203 | * Particular Revision values for bits 7:0 of the PRId register. |
1da177e4 LT |
204 | */ |
205 | ||
9267a30d | 206 | #define PRID_REV_MASK 0x00ff |
1da177e4 | 207 | |
8ff374b9 MR |
208 | /* |
209 | * Definitions for 7:0 on legacy processors | |
210 | */ | |
211 | ||
1da177e4 LT |
212 | #define PRID_REV_TX4927 0x0022 |
213 | #define PRID_REV_TX4937 0x0030 | |
214 | #define PRID_REV_R4400 0x0040 | |
215 | #define PRID_REV_R3000A 0x0030 | |
216 | #define PRID_REV_R3000 0x0020 | |
217 | #define PRID_REV_R2000A 0x0010 | |
70342287 RB |
218 | #define PRID_REV_TX3912 0x0010 |
219 | #define PRID_REV_TX3922 0x0030 | |
220 | #define PRID_REV_TX3927 0x0040 | |
1da177e4 LT |
221 | #define PRID_REV_VR4111 0x0050 |
222 | #define PRID_REV_VR4181 0x0050 /* Same as VR4111 */ | |
223 | #define PRID_REV_VR4121 0x0060 | |
224 | #define PRID_REV_VR4122 0x0070 | |
225 | #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ | |
226 | #define PRID_REV_VR4130 0x0080 | |
9267a30d | 227 | #define PRID_REV_34K_V1_0_2 0x0022 |
2fa36399 | 228 | #define PRID_REV_LOONGSON1B 0x0020 |
f8ede0f7 WZ |
229 | #define PRID_REV_LOONGSON2E 0x0002 |
230 | #define PRID_REV_LOONGSON2F 0x0003 | |
1da177e4 | 231 | |
fde97822 RB |
232 | /* |
233 | * Older processors used to encode processor version and revision in two | |
234 | * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores | |
235 | * have switched to use the 8-bits as 3:3:2 bitfield with the last field as | |
236 | * the patch number. *ARGH* | |
237 | */ | |
238 | #define PRID_REV_ENCODE_44(ver, rev) \ | |
239 | ((ver) << 4 | (rev)) | |
240 | #define PRID_REV_ENCODE_332(ver, rev, patch) \ | |
241 | ((ver) << 5 | (rev) << 2 | (patch)) | |
242 | ||
1da177e4 LT |
243 | /* |
244 | * FPU implementation/revision register (CP1 control register 0). | |
245 | * | |
246 | * +---------------------------------+----------------+----------------+ | |
70342287 | 247 | * | 0 | Implementation | Revision | |
1da177e4 | 248 | * +---------------------------------+----------------+----------------+ |
70342287 | 249 | * 31 16 15 8 7 0 |
1da177e4 LT |
250 | */ |
251 | ||
8ff374b9 MR |
252 | #define FPIR_IMP_MASK 0xff00 |
253 | ||
1da177e4 LT |
254 | #define FPIR_IMP_NONE 0x0000 |
255 | ||
68248d0c JG |
256 | #if !defined(__ASSEMBLY__) |
257 | ||
36cfbaad RB |
258 | enum cpu_type_enum { |
259 | CPU_UNKNOWN, | |
260 | ||
261 | /* | |
262 | * R2000 class processors | |
263 | */ | |
264 | CPU_R2000, CPU_R3000, CPU_R3000A, CPU_R3041, CPU_R3051, CPU_R3052, | |
265 | CPU_R3081, CPU_R3081E, | |
266 | ||
267 | /* | |
268 | * R6000 class processors | |
269 | */ | |
270 | CPU_R6000, CPU_R6000A, | |
271 | ||
272 | /* | |
273 | * R4000 class processors | |
274 | */ | |
275 | CPU_R4000PC, CPU_R4000SC, CPU_R4000MC, CPU_R4200, CPU_R4300, CPU_R4310, | |
276 | CPU_R4400PC, CPU_R4400SC, CPU_R4400MC, CPU_R4600, CPU_R4640, CPU_R4650, | |
fb2b1dba RB |
277 | CPU_R4700, CPU_R5000, CPU_R5500, CPU_NEVADA, CPU_R5432, CPU_R10000, |
278 | CPU_R12000, CPU_R14000, CPU_VR41XX, CPU_VR4111, CPU_VR4121, CPU_VR4122, | |
279 | CPU_VR4131, CPU_VR4133, CPU_VR4181, CPU_VR4181A, CPU_RM7000, | |
36cfbaad RB |
280 | CPU_SR71000, CPU_RM9000, CPU_TX49XX, |
281 | ||
282 | /* | |
283 | * R8000 class processors | |
284 | */ | |
285 | CPU_R8000, | |
286 | ||
287 | /* | |
288 | * TX3900 class processors | |
289 | */ | |
290 | CPU_TX3912, CPU_TX3922, CPU_TX3927, | |
291 | ||
292 | /* | |
293 | * MIPS32 class processors | |
294 | */ | |
39b8d525 | 295 | CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, |
602977b0 | 296 | CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, |
2fa36399 | 297 | CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC, |
26ab96df | 298 | CPU_M14KEC, CPU_INTERAPTIV, CPU_PROAPTIV, |
36cfbaad RB |
299 | |
300 | /* | |
301 | * MIPS64 class processors | |
302 | */ | |
78d4803f | 303 | CPU_5KC, CPU_5KE, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2, |
1584d7f2 | 304 | CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS, CPU_CAVIUM_OCTEON2, |
71a8b7d8 | 305 | CPU_CAVIUM_OCTEON3, CPU_XLR, CPU_XLP, |
36cfbaad RB |
306 | |
307 | CPU_LAST | |
308 | }; | |
309 | ||
68248d0c | 310 | #endif /* !__ASSEMBLY */ |
1da177e4 LT |
311 | |
312 | /* | |
313 | * ISA Level encodings | |
314 | * | |
315 | */ | |
1990e542 RB |
316 | #define MIPS_CPU_ISA_II 0x00000001 |
317 | #define MIPS_CPU_ISA_III 0x00000002 | |
318 | #define MIPS_CPU_ISA_IV 0x00000004 | |
319 | #define MIPS_CPU_ISA_V 0x00000008 | |
320 | #define MIPS_CPU_ISA_M32R1 0x00000010 | |
321 | #define MIPS_CPU_ISA_M32R2 0x00000020 | |
322 | #define MIPS_CPU_ISA_M64R1 0x00000040 | |
323 | #define MIPS_CPU_ISA_M64R2 0x00000080 | |
324 | ||
325 | #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \ | |
326 | MIPS_CPU_ISA_M32R2) | |
0401572a RB |
327 | #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \ |
328 | MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2) | |
1da177e4 LT |
329 | |
330 | /* | |
331 | * CPU Option encodings | |
332 | */ | |
333 | #define MIPS_CPU_TLB 0x00000001 /* CPU has TLB */ | |
02cf2119 RB |
334 | #define MIPS_CPU_4KEX 0x00000002 /* "R4K" exception model */ |
335 | #define MIPS_CPU_3K_CACHE 0x00000004 /* R3000-style caches */ | |
336 | #define MIPS_CPU_4K_CACHE 0x00000008 /* R4000-style caches */ | |
337 | #define MIPS_CPU_TX39_CACHE 0x00000010 /* TX3900-style caches */ | |
641e97f3 RB |
338 | #define MIPS_CPU_FPU 0x00000020 /* CPU has FPU */ |
339 | #define MIPS_CPU_32FPR 0x00000040 /* 32 dbl. prec. FP registers */ | |
340 | #define MIPS_CPU_COUNTER 0x00000080 /* Cycle count/compare */ | |
341 | #define MIPS_CPU_WATCH 0x00000100 /* watchpoint registers */ | |
342 | #define MIPS_CPU_DIVEC 0x00000200 /* dedicated interrupt vector */ | |
343 | #define MIPS_CPU_VCE 0x00000400 /* virt. coherence conflict possible */ | |
344 | #define MIPS_CPU_CACHE_CDEX_P 0x00000800 /* Create_Dirty_Exclusive CACHE op */ | |
345 | #define MIPS_CPU_CACHE_CDEX_S 0x00001000 /* ... same for seconary cache ... */ | |
346 | #define MIPS_CPU_MCHECK 0x00002000 /* Machine check exception */ | |
347 | #define MIPS_CPU_EJTAG 0x00004000 /* EJTAG exception */ | |
348 | #define MIPS_CPU_NOFPUEX 0x00008000 /* no FPU exception */ | |
349 | #define MIPS_CPU_LLSC 0x00010000 /* CPU has ll/sc instructions */ | |
350 | #define MIPS_CPU_INCLUSIVE_CACHES 0x00020000 /* P-cache subset enforced */ | |
351 | #define MIPS_CPU_PREFETCH 0x00040000 /* CPU has usable prefetch */ | |
352 | #define MIPS_CPU_VINT 0x00080000 /* CPU supports MIPSR2 vectored interrupts */ | |
353 | #define MIPS_CPU_VEIC 0x00100000 /* CPU supports MIPSR2 external interrupt controller mode */ | |
354 | #define MIPS_CPU_ULRI 0x00200000 /* CPU has ULRI feature */ | |
da4b62cd AC |
355 | #define MIPS_CPU_PCI 0x00400000 /* CPU has Perf Ctr Int indicator */ |
356 | #define MIPS_CPU_RIXI 0x00800000 /* CPU has TLB Read/eXec Inhibit */ | |
f8fa4811 | 357 | #define MIPS_CPU_MICROMIPS 0x01000000 /* CPU has microMIPS capability */ |
1745c1ef | 358 | #define MIPS_CPU_TLBINV 0x02000000 /* CPU supports TLBINV/F */ |
4a0156fb | 359 | #define MIPS_CPU_SEGMENTS 0x04000000 /* CPU supports Segmentation Control registers */ |
1da177e4 | 360 | |
4194318c RB |
361 | /* |
362 | * CPU ASE encodings | |
363 | */ | |
364 | #define MIPS_ASE_MIPS16 0x00000001 /* code compression */ | |
365 | #define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */ | |
366 | #define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */ | |
367 | #define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */ | |
e50c0a8f | 368 | #define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */ |
8f40611d | 369 | #define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */ |
ee80f7c7 | 370 | #define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */ |
1e7decdb | 371 | #define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */ |
4194318c | 372 | |
1da177e4 | 373 | #endif /* _ASM_CPU_H */ |