1 /* SPDX-License-Identifier: GPL-2.0 */
3 * cpu.h: Values of the PRId register used to match up
4 * various MIPS cpu types.
6 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
7 * Copyright (C) 2004, 2013 Maciej W. Rozycki
13 As of the MIPS32 and MIPS64 specs from MTI, the PRId register (CP0
14 register 15, select 0) is defined in this (backwards compatible) way:
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_OPT_MASK 0xff000000
29 * Assigned Company values for bits 23:16 of the PRId register.
32 #define PRID_COMP_MASK 0xff0000
34 #define PRID_COMP_LEGACY 0x000000
35 #define PRID_COMP_MIPS 0x010000
36 #define PRID_COMP_BROADCOM 0x020000
37 #define PRID_COMP_ALCHEMY 0x030000
38 #define PRID_COMP_SIBYTE 0x040000
39 #define PRID_COMP_SANDCRAFT 0x050000
40 #define PRID_COMP_NXP 0x060000
41 #define PRID_COMP_TOSHIBA 0x070000
42 #define PRID_COMP_LSI 0x080000
43 #define PRID_COMP_LEXRA 0x0b0000
44 #define PRID_COMP_NETLOGIC 0x0c0000
45 #define PRID_COMP_CAVIUM 0x0d0000
46 #define PRID_COMP_LOONGSON 0x140000
47 #define PRID_COMP_INGENIC_D0 0xd00000 /* JZ4740, JZ4750 */
48 #define PRID_COMP_INGENIC_D1 0xd10000 /* JZ4770, JZ4775 */
49 #define PRID_COMP_INGENIC_E1 0xe10000 /* JZ4780 */
52 * Assigned Processor ID (implementation) values for bits 15:8 of the PRId
53 * register. In order to detect a certain CPU type exactly eventually
54 * additional registers may need to be examined.
57 #define PRID_IMP_MASK 0xff00
60 * These are valid when 23:16 == PRID_COMP_LEGACY
63 #define PRID_IMP_R2000 0x0100
64 #define PRID_IMP_AU1_REV1 0x0100
65 #define PRID_IMP_AU1_REV2 0x0200
66 #define PRID_IMP_R3000 0x0200 /* Same as R2000A */
67 #define PRID_IMP_R6000 0x0300 /* Same as R3000A */
68 #define PRID_IMP_R4000 0x0400
69 #define PRID_IMP_R6000A 0x0600
70 #define PRID_IMP_R10000 0x0900
71 #define PRID_IMP_R4300 0x0b00
72 #define PRID_IMP_VR41XX 0x0c00
73 #define PRID_IMP_R12000 0x0e00
74 #define PRID_IMP_R14000 0x0f00 /* R14K && R16K */
75 #define PRID_IMP_R8000 0x1000
76 #define PRID_IMP_PR4450 0x1200
77 #define PRID_IMP_R4600 0x2000
78 #define PRID_IMP_R4700 0x2100
79 #define PRID_IMP_TX39 0x2200
80 #define PRID_IMP_R4640 0x2200
81 #define PRID_IMP_R4650 0x2200 /* Same as R4640 */
82 #define PRID_IMP_R5000 0x2300
83 #define PRID_IMP_TX49 0x2d00
84 #define PRID_IMP_SONIC 0x2400
85 #define PRID_IMP_MAGIC 0x2500
86 #define PRID_IMP_RM7000 0x2700
87 #define PRID_IMP_NEVADA 0x2800 /* RM5260 ??? */
88 #define PRID_IMP_RM9000 0x3400
89 #define PRID_IMP_LOONGSON_32 0x4200 /* Loongson-1 */
90 #define PRID_IMP_R5432 0x5400
91 #define PRID_IMP_R5500 0x5500
92 #define PRID_IMP_LOONGSON_64 0x6300 /* Loongson-2/3 */
94 #define PRID_IMP_UNKNOWN 0xff00
97 * These are the PRID's for when 23:16 == PRID_COMP_MIPS
100 #define PRID_IMP_QEMU_GENERIC 0x0000
101 #define PRID_IMP_4KC 0x8000
102 #define PRID_IMP_5KC 0x8100
103 #define PRID_IMP_20KC 0x8200
104 #define PRID_IMP_4KEC 0x8400
105 #define PRID_IMP_4KSC 0x8600
106 #define PRID_IMP_25KF 0x8800
107 #define PRID_IMP_5KE 0x8900
108 #define PRID_IMP_4KECR2 0x9000
109 #define PRID_IMP_4KEMPR2 0x9100
110 #define PRID_IMP_4KSD 0x9200
111 #define PRID_IMP_24K 0x9300
112 #define PRID_IMP_34K 0x9500
113 #define PRID_IMP_24KE 0x9600
114 #define PRID_IMP_74K 0x9700
115 #define PRID_IMP_1004K 0x9900
116 #define PRID_IMP_1074K 0x9a00
117 #define PRID_IMP_M14KC 0x9c00
118 #define PRID_IMP_M14KEC 0x9e00
119 #define PRID_IMP_INTERAPTIV_UP 0xa000
120 #define PRID_IMP_INTERAPTIV_MP 0xa100
121 #define PRID_IMP_PROAPTIV_UP 0xa200
122 #define PRID_IMP_PROAPTIV_MP 0xa300
123 #define PRID_IMP_P6600 0xa400
124 #define PRID_IMP_M5150 0xa700
125 #define PRID_IMP_P5600 0xa800
126 #define PRID_IMP_I6400 0xa900
127 #define PRID_IMP_M6250 0xab00
128 #define PRID_IMP_I6500 0xb000
131 * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
134 #define PRID_IMP_SB1 0x0100
135 #define PRID_IMP_SB1A 0x1100
138 * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
141 #define PRID_IMP_SR71000 0x0400
144 * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
147 #define PRID_IMP_BMIPS32_REV4 0x4000
148 #define PRID_IMP_BMIPS32_REV8 0x8000
149 #define PRID_IMP_BMIPS3300 0x9000
150 #define PRID_IMP_BMIPS3300_ALT 0x9100
151 #define PRID_IMP_BMIPS3300_BUG 0x0000
152 #define PRID_IMP_BMIPS43XX 0xa000
153 #define PRID_IMP_BMIPS5000 0x5a00
154 #define PRID_IMP_BMIPS5200 0x5b00
156 #define PRID_REV_BMIPS4380_LO 0x0040
157 #define PRID_REV_BMIPS4380_HI 0x006f
160 * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
163 #define PRID_IMP_CAVIUM_CN38XX 0x0000
164 #define PRID_IMP_CAVIUM_CN31XX 0x0100
165 #define PRID_IMP_CAVIUM_CN30XX 0x0200
166 #define PRID_IMP_CAVIUM_CN58XX 0x0300
167 #define PRID_IMP_CAVIUM_CN56XX 0x0400
168 #define PRID_IMP_CAVIUM_CN50XX 0x0600
169 #define PRID_IMP_CAVIUM_CN52XX 0x0700
170 #define PRID_IMP_CAVIUM_CN63XX 0x9000
171 #define PRID_IMP_CAVIUM_CN68XX 0x9100
172 #define PRID_IMP_CAVIUM_CN66XX 0x9200
173 #define PRID_IMP_CAVIUM_CN61XX 0x9300
174 #define PRID_IMP_CAVIUM_CNF71XX 0x9400
175 #define PRID_IMP_CAVIUM_CN78XX 0x9500
176 #define PRID_IMP_CAVIUM_CN70XX 0x9600
177 #define PRID_IMP_CAVIUM_CN73XX 0x9700
178 #define PRID_IMP_CAVIUM_CNF75XX 0x9800
181 * These are the PRID's for when 23:16 == PRID_COMP_INGENIC_*
184 #define PRID_IMP_JZRISC 0x0200
187 * These are the PRID's for when 23:16 == PRID_COMP_NETLOGIC
189 #define PRID_IMP_NETLOGIC_XLR732 0x0000
190 #define PRID_IMP_NETLOGIC_XLR716 0x0200
191 #define PRID_IMP_NETLOGIC_XLR532 0x0900
192 #define PRID_IMP_NETLOGIC_XLR308 0x0600
193 #define PRID_IMP_NETLOGIC_XLR532C 0x0800
194 #define PRID_IMP_NETLOGIC_XLR516C 0x0a00
195 #define PRID_IMP_NETLOGIC_XLR508C 0x0b00
196 #define PRID_IMP_NETLOGIC_XLR308C 0x0f00
197 #define PRID_IMP_NETLOGIC_XLS608 0x8000
198 #define PRID_IMP_NETLOGIC_XLS408 0x8800
199 #define PRID_IMP_NETLOGIC_XLS404 0x8c00
200 #define PRID_IMP_NETLOGIC_XLS208 0x8e00
201 #define PRID_IMP_NETLOGIC_XLS204 0x8f00
202 #define PRID_IMP_NETLOGIC_XLS108 0xce00
203 #define PRID_IMP_NETLOGIC_XLS104 0xcf00
204 #define PRID_IMP_NETLOGIC_XLS616B 0x4000
205 #define PRID_IMP_NETLOGIC_XLS608B 0x4a00
206 #define PRID_IMP_NETLOGIC_XLS416B 0x4400
207 #define PRID_IMP_NETLOGIC_XLS412B 0x4c00
208 #define PRID_IMP_NETLOGIC_XLS408B 0x4e00
209 #define PRID_IMP_NETLOGIC_XLS404B 0x4f00
210 #define PRID_IMP_NETLOGIC_AU13XX 0x8000
212 #define PRID_IMP_NETLOGIC_XLP8XX 0x1000
213 #define PRID_IMP_NETLOGIC_XLP3XX 0x1100
214 #define PRID_IMP_NETLOGIC_XLP2XX 0x1200
215 #define PRID_IMP_NETLOGIC_XLP9XX 0x1500
216 #define PRID_IMP_NETLOGIC_XLP5XX 0x1300
219 * Particular Revision values for bits 7:0 of the PRId register.
222 #define PRID_REV_MASK 0x00ff
225 * Definitions for 7:0 on legacy processors
228 #define PRID_REV_TX4927 0x0022
229 #define PRID_REV_TX4937 0x0030
230 #define PRID_REV_R4400 0x0040
231 #define PRID_REV_R3000A 0x0030
232 #define PRID_REV_R3000 0x0020
233 #define PRID_REV_R2000A 0x0010
234 #define PRID_REV_TX3912 0x0010
235 #define PRID_REV_TX3922 0x0030
236 #define PRID_REV_TX3927 0x0040
237 #define PRID_REV_VR4111 0x0050
238 #define PRID_REV_VR4181 0x0050 /* Same as VR4111 */
239 #define PRID_REV_VR4121 0x0060
240 #define PRID_REV_VR4122 0x0070
241 #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */
242 #define PRID_REV_VR4130 0x0080
243 #define PRID_REV_34K_V1_0_2 0x0022
244 #define PRID_REV_LOONGSON1B 0x0020
245 #define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */
246 #define PRID_REV_LOONGSON2E 0x0002
247 #define PRID_REV_LOONGSON2F 0x0003
248 #define PRID_REV_LOONGSON3A_R1 0x0005
249 #define PRID_REV_LOONGSON3B_R1 0x0006
250 #define PRID_REV_LOONGSON3B_R2 0x0007
251 #define PRID_REV_LOONGSON3A_R2 0x0008
252 #define PRID_REV_LOONGSON3A_R3 0x0009
255 * Older processors used to encode processor version and revision in two
256 * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
257 * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
258 * the patch number. *ARGH*
260 #define PRID_REV_ENCODE_44(ver, rev) \
262 #define PRID_REV_ENCODE_332(ver, rev, patch) \
263 ((ver) << 5 | (rev) << 2 | (patch))
266 * FPU implementation/revision register (CP1 control register 0).
268 * +---------------------------------+----------------+----------------+
269 * | 0 | Implementation | Revision |
270 * +---------------------------------+----------------+----------------+
274 #define FPIR_IMP_MASK 0xff00
276 #define FPIR_IMP_NONE 0x0000
278 #if !defined(__ASSEMBLY__)
284 * R2000 class processors
286 CPU_R2000
, CPU_R3000
, CPU_R3000A
, CPU_R3041
, CPU_R3051
, CPU_R3052
,
287 CPU_R3081
, CPU_R3081E
,
290 * R4000 class processors
292 CPU_R4000PC
, CPU_R4000SC
, CPU_R4000MC
, CPU_R4200
, CPU_R4300
, CPU_R4310
,
293 CPU_R4400PC
, CPU_R4400SC
, CPU_R4400MC
, CPU_R4600
, CPU_R4640
, CPU_R4650
,
294 CPU_R4700
, CPU_R5000
, CPU_R5500
, CPU_NEVADA
, CPU_R5432
, CPU_R10000
,
295 CPU_R12000
, CPU_R14000
, CPU_R16000
, CPU_VR41XX
, CPU_VR4111
, CPU_VR4121
,
296 CPU_VR4122
, CPU_VR4131
, CPU_VR4133
, CPU_VR4181
, CPU_VR4181A
, CPU_RM7000
,
297 CPU_SR71000
, CPU_TX49XX
,
300 * R8000 class processors
305 * TX3900 class processors
307 CPU_TX3912
, CPU_TX3922
, CPU_TX3927
,
310 * MIPS32 class processors
312 CPU_4KC
, CPU_4KEC
, CPU_4KSC
, CPU_24K
, CPU_34K
, CPU_1004K
, CPU_74K
,
313 CPU_ALCHEMY
, CPU_PR4450
, CPU_BMIPS32
, CPU_BMIPS3300
, CPU_BMIPS4350
,
314 CPU_BMIPS4380
, CPU_BMIPS5000
, CPU_JZRISC
, CPU_LOONGSON1
, CPU_M14KC
,
315 CPU_M14KEC
, CPU_INTERAPTIV
, CPU_P5600
, CPU_PROAPTIV
, CPU_1074K
,
316 CPU_M5150
, CPU_I6400
, CPU_P6600
, CPU_M6250
,
319 * MIPS64 class processors
321 CPU_5KC
, CPU_5KE
, CPU_20KC
, CPU_25KF
, CPU_SB1
, CPU_SB1A
, CPU_LOONGSON2
,
322 CPU_LOONGSON3
, CPU_CAVIUM_OCTEON
, CPU_CAVIUM_OCTEON_PLUS
,
323 CPU_CAVIUM_OCTEON2
, CPU_CAVIUM_OCTEON3
, CPU_XLR
, CPU_XLP
, CPU_I6500
,
330 #endif /* !__ASSEMBLY */
333 * ISA Level encodings
336 #define MIPS_CPU_ISA_II 0x00000001
337 #define MIPS_CPU_ISA_III 0x00000002
338 #define MIPS_CPU_ISA_IV 0x00000004
339 #define MIPS_CPU_ISA_V 0x00000008
340 #define MIPS_CPU_ISA_M32R1 0x00000010
341 #define MIPS_CPU_ISA_M32R2 0x00000020
342 #define MIPS_CPU_ISA_M64R1 0x00000040
343 #define MIPS_CPU_ISA_M64R2 0x00000080
344 #define MIPS_CPU_ISA_M32R6 0x00000100
345 #define MIPS_CPU_ISA_M64R6 0x00000200
347 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \
348 MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R6)
349 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
350 MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2 | \
354 * Private version of BIT_ULL() to escape include file recursion hell.
355 * We soon will have to switch to another mechanism that will work with
356 * more than 64 bits anyway.
358 #define MBIT_ULL(bit) (1ULL << (bit))
361 * CPU Option encodings
363 #define MIPS_CPU_TLB MBIT_ULL( 0) /* CPU has TLB */
364 #define MIPS_CPU_4KEX MBIT_ULL( 1) /* "R4K" exception model */
365 #define MIPS_CPU_3K_CACHE MBIT_ULL( 2) /* R3000-style caches */
366 #define MIPS_CPU_4K_CACHE MBIT_ULL( 3) /* R4000-style caches */
367 #define MIPS_CPU_TX39_CACHE MBIT_ULL( 4) /* TX3900-style caches */
368 #define MIPS_CPU_FPU MBIT_ULL( 5) /* CPU has FPU */
369 #define MIPS_CPU_32FPR MBIT_ULL( 6) /* 32 dbl. prec. FP registers */
370 #define MIPS_CPU_COUNTER MBIT_ULL( 7) /* Cycle count/compare */
371 #define MIPS_CPU_WATCH MBIT_ULL( 8) /* watchpoint registers */
372 #define MIPS_CPU_DIVEC MBIT_ULL( 9) /* dedicated interrupt vector */
373 #define MIPS_CPU_VCE MBIT_ULL(10) /* virt. coherence conflict possible */
374 #define MIPS_CPU_CACHE_CDEX_P MBIT_ULL(11) /* Create_Dirty_Exclusive CACHE op */
375 #define MIPS_CPU_CACHE_CDEX_S MBIT_ULL(12) /* ... same for seconary cache ... */
376 #define MIPS_CPU_MCHECK MBIT_ULL(13) /* Machine check exception */
377 #define MIPS_CPU_EJTAG MBIT_ULL(14) /* EJTAG exception */
378 #define MIPS_CPU_NOFPUEX MBIT_ULL(15) /* no FPU exception */
379 #define MIPS_CPU_LLSC MBIT_ULL(16) /* CPU has ll/sc instructions */
380 #define MIPS_CPU_INCLUSIVE_CACHES MBIT_ULL(17) /* P-cache subset enforced */
381 #define MIPS_CPU_PREFETCH MBIT_ULL(18) /* CPU has usable prefetch */
382 #define MIPS_CPU_VINT MBIT_ULL(19) /* CPU supports MIPSR2 vectored interrupts */
383 #define MIPS_CPU_VEIC MBIT_ULL(20) /* CPU supports MIPSR2 external interrupt controller mode */
384 #define MIPS_CPU_ULRI MBIT_ULL(21) /* CPU has ULRI feature */
385 #define MIPS_CPU_PCI MBIT_ULL(22) /* CPU has Perf Ctr Int indicator */
386 #define MIPS_CPU_RIXI MBIT_ULL(23) /* CPU has TLB Read/eXec Inhibit */
387 #define MIPS_CPU_MICROMIPS MBIT_ULL(24) /* CPU has microMIPS capability */
388 #define MIPS_CPU_TLBINV MBIT_ULL(25) /* CPU supports TLBINV/F */
389 #define MIPS_CPU_SEGMENTS MBIT_ULL(26) /* CPU supports Segmentation Control registers */
390 #define MIPS_CPU_EVA MBIT_ULL(27) /* CPU supports Enhanced Virtual Addressing */
391 #define MIPS_CPU_HTW MBIT_ULL(28) /* CPU support Hardware Page Table Walker */
392 #define MIPS_CPU_RIXIEX MBIT_ULL(29) /* CPU has unique exception codes for {Read, Execute}-Inhibit exceptions */
393 #define MIPS_CPU_MAAR MBIT_ULL(30) /* MAAR(I) registers are present */
394 #define MIPS_CPU_FRE MBIT_ULL(31) /* FRE & UFE bits implemented */
395 #define MIPS_CPU_RW_LLB MBIT_ULL(32) /* LLADDR/LLB writes are allowed */
396 #define MIPS_CPU_LPA MBIT_ULL(33) /* CPU supports Large Physical Addressing */
397 #define MIPS_CPU_CDMM MBIT_ULL(34) /* CPU has Common Device Memory Map */
398 #define MIPS_CPU_BP_GHIST MBIT_ULL(35) /* R12K+ Branch Prediction Global History */
399 #define MIPS_CPU_SP MBIT_ULL(36) /* Small (1KB) page support */
400 #define MIPS_CPU_FTLB MBIT_ULL(37) /* CPU has Fixed-page-size TLB */
401 #define MIPS_CPU_NAN_LEGACY MBIT_ULL(38) /* Legacy NaN implemented */
402 #define MIPS_CPU_NAN_2008 MBIT_ULL(39) /* 2008 NaN implemented */
403 #define MIPS_CPU_VP MBIT_ULL(40) /* MIPSr6 Virtual Processors (multi-threading) */
404 #define MIPS_CPU_LDPTE MBIT_ULL(41) /* CPU has ldpte/lddir instructions */
405 #define MIPS_CPU_MVH MBIT_ULL(42) /* CPU supports MFHC0/MTHC0 */
406 #define MIPS_CPU_EBASE_WG MBIT_ULL(43) /* CPU has EBase.WG */
407 #define MIPS_CPU_BADINSTR MBIT_ULL(44) /* CPU has BadInstr register */
408 #define MIPS_CPU_BADINSTRP MBIT_ULL(45) /* CPU has BadInstrP register */
409 #define MIPS_CPU_CTXTC MBIT_ULL(46) /* CPU has [X]ConfigContext registers */
410 #define MIPS_CPU_PERF MBIT_ULL(47) /* CPU has MIPS performance counters */
411 #define MIPS_CPU_GUESTCTL0EXT MBIT_ULL(48) /* CPU has VZ GuestCtl0Ext register */
412 #define MIPS_CPU_GUESTCTL1 MBIT_ULL(49) /* CPU has VZ GuestCtl1 register */
413 #define MIPS_CPU_GUESTCTL2 MBIT_ULL(50) /* CPU has VZ GuestCtl2 register */
414 #define MIPS_CPU_GUESTID MBIT_ULL(51) /* CPU uses VZ ASE GuestID feature */
415 #define MIPS_CPU_DRG MBIT_ULL(52) /* CPU has VZ Direct Root to Guest (DRG) */
416 #define MIPS_CPU_UFR MBIT_ULL(53) /* CPU supports User mode FR switching */
417 #define MIPS_CPU_SHARED_FTLB_RAM \
418 MBIT_ULL(54) /* CPU shares FTLB RAM with another */
419 #define MIPS_CPU_SHARED_FTLB_ENTRIES \
420 MBIT_ULL(55) /* CPU shares FTLB entries with another */
425 #define MIPS_ASE_MIPS16 0x00000001 /* code compression */
426 #define MIPS_ASE_MDMX 0x00000002 /* MIPS digital media extension */
427 #define MIPS_ASE_MIPS3D 0x00000004 /* MIPS-3D */
428 #define MIPS_ASE_SMARTMIPS 0x00000008 /* SmartMIPS */
429 #define MIPS_ASE_DSP 0x00000010 /* Signal Processing ASE */
430 #define MIPS_ASE_MIPSMT 0x00000020 /* CPU supports MIPS MT */
431 #define MIPS_ASE_DSP2P 0x00000040 /* Signal Processing ASE Rev 2 */
432 #define MIPS_ASE_VZ 0x00000080 /* Virtualization ASE */
433 #define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */
434 #define MIPS_ASE_DSP3 0x00000200 /* Signal Processing ASE Rev 3*/
435 #define MIPS_ASE_MIPS16E2 0x00000400 /* MIPS16e2 */
437 #endif /* _ASM_CPU_H */